From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com> Date: Wed, 6 Jul 2022 23:00:31 -0400 Subject: [PATCH] Paper Plugins diff --git a/src/main/java/io/papermc/paper/command/PaperCommand.java b/src/main/java/io/papermc/paper/command/PaperCommand.java index e7931b6cb2a46d07ac017f620b807e3474dc481e..16fdfda717300a3168c27526470f83ce6239e95f 100644 --- a/src/main/java/io/papermc/paper/command/PaperCommand.java +++ b/src/main/java/io/papermc/paper/command/PaperCommand.java @@ -38,6 +38,7 @@ public final class PaperCommand extends Command { commands.put(Set.of("reload"), new ReloadCommand()); commands.put(Set.of("version"), new VersionCommand()); commands.put(Set.of("callback"), new CallbackCommand()); + commands.put(Set.of("dumpplugins"), new DumpPluginsCommand()); return commands.entrySet().stream() .flatMap(entry -> entry.getKey().stream().map(s -> Map.entry(s, entry.getValue()))) diff --git a/src/main/java/io/papermc/paper/command/PaperCommands.java b/src/main/java/io/papermc/paper/command/PaperCommands.java index 6a00f3d38da8107825ab1d405f337fd077b09f72..d44d0074446c1c54e87dc8078dff7fef1d92f343 100644 --- a/src/main/java/io/papermc/paper/command/PaperCommands.java +++ b/src/main/java/io/papermc/paper/command/PaperCommands.java @@ -23,5 +23,6 @@ public final class PaperCommands { COMMANDS.forEach((s, command) -> { server.server.getCommandMap().register(s, "Paper", command); }); + server.server.getCommandMap().register("bukkit", new PaperPluginsCommand()); } } diff --git a/src/main/java/io/papermc/paper/command/PaperPluginsCommand.java b/src/main/java/io/papermc/paper/command/PaperPluginsCommand.java new file mode 100644 index 0000000000000000000000000000000000000000..f0fce4113fb07c64adbec029d177c236cbdcbae8 --- /dev/null +++ b/src/main/java/io/papermc/paper/command/PaperPluginsCommand.java @@ -0,0 +1,215 @@ +package io.papermc.paper.command; + +import com.google.common.collect.Lists; +import io.leangen.geantyref.GenericTypeReflector; +import io.leangen.geantyref.TypeToken; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.ProviderStatus; +import io.papermc.paper.plugin.provider.ProviderStatusHolder; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider; +import net.kyori.adventure.text.Component; +import net.kyori.adventure.text.JoinConfiguration; +import net.kyori.adventure.text.TextComponent; +import net.kyori.adventure.text.event.ClickEvent; +import net.kyori.adventure.text.format.NamedTextColor; +import net.kyori.adventure.text.format.TextColor; +import org.bukkit.Bukkit; +import org.bukkit.command.CommandSender; +import org.bukkit.command.defaults.BukkitCommand; +import org.bukkit.craftbukkit.util.CraftMagicNumbers; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; + +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.TreeMap; + +public class PaperPluginsCommand extends BukkitCommand { + + private static final TextColor INFO_COLOR = TextColor.color(52, 159, 218); + + // TODO: LINK? + private static final Component SERVER_PLUGIN_INFO = Component.text("ℹ What is a server plugin?", INFO_COLOR) + .append(asPlainComponents(""" + Server plugins can add new behavior to your server! + You can find new plugins on Paper's plugin repository, Hangar. + + + """)); + + private static final Component SERVER_INITIALIZER_INFO = Component.text("ℹ What is a server initializer?", INFO_COLOR) + .append(asPlainComponents(""" + Server initializers are ran before your server + starts and are provided by paper plugins. + """)); + + private static final Component LEGACY_PLUGIN_INFO = Component.text("ℹ What is a legacy plugin?", INFO_COLOR) + .append(asPlainComponents(""" + A legacy plugin is a plugin that was made on + very old unsupported versions of the game. + + It is encouraged that you replace this plugin, + as they might not work in the future and may cause + performance issues. + """)); + + private static final Component LEGACY_PLUGIN_STAR = Component.text('*', TextColor.color(255, 212, 42)).hoverEvent(LEGACY_PLUGIN_INFO); + private static final Component INFO_ICON_START = Component.text("ℹ ", INFO_COLOR); + private static final Component PAPER_HEADER = Component.text("Paper Plugins:", TextColor.color(2, 136, 209)); + private static final Component BUKKIT_HEADER = Component.text("Bukkit Plugins:", TextColor.color(237, 129, 6)); + private static final Component PLUGIN_TICK = Component.text("- ", NamedTextColor.DARK_GRAY); + private static final Component PLUGIN_TICK_EMPTY = Component.text(" "); + + private static final Type JAVA_PLUGIN_PROVIDER_TYPE = new TypeToken>() {}.getType(); + + public PaperPluginsCommand() { + super("plugins"); + this.description = "Gets a list of plugins running on the server"; + this.usageMessage = "/plugins"; + this.setPermission("bukkit.command.plugins"); + this.setAliases(Arrays.asList("pl")); + } + + private static List formatProviders(TreeMap> plugins) { + List components = new ArrayList<>(plugins.size()); + for (PluginProvider entry : plugins.values()) { + components.add(formatProvider(entry)); + } + + boolean isFirst = true; + List formattedSublists = new ArrayList<>(); + /* + Split up the plugin list for each 10 plugins to get size down + + Plugin List: + - Plugin 1, Plugin 2, .... Plugin 10, + Plugin 11, Plugin 12 ... Plugin 20, + */ + for (List componentSublist : Lists.partition(components, 10)) { + Component component = Component.space(); + if (isFirst) { + component = component.append(PLUGIN_TICK); + isFirst = false; + } else { + component = PLUGIN_TICK_EMPTY; + //formattedSublists.add(Component.empty()); // Add an empty line, the auto chat wrapping and this makes it quite jarring. + } + + formattedSublists.add(component.append(Component.join(JoinConfiguration.commas(true), componentSublist))); + } + + return formattedSublists; + } + + private static Component formatProvider(PluginProvider provider) { + TextComponent.Builder builder = Component.text(); + if (provider instanceof SpigotPluginProvider spigotPluginProvider && CraftMagicNumbers.isLegacy(spigotPluginProvider.getMeta())) { + builder.append(LEGACY_PLUGIN_STAR); + } + + String name = provider.getMeta().getName(); + Component pluginName = Component.text(name, fromStatus(provider)) + .clickEvent(ClickEvent.runCommand("/version " + name)); + + builder.append(pluginName); + + return builder.build(); + } + + private static Component asPlainComponents(String strings) { + net.kyori.adventure.text.TextComponent.Builder builder = Component.text(); + for (String string : strings.split("\n")) { + builder.append(Component.newline()); + builder.append(Component.text(string, NamedTextColor.WHITE)); + } + + return builder.build(); + } + + private static TextColor fromStatus(PluginProvider provider) { + if (provider instanceof ProviderStatusHolder statusHolder && statusHolder.getLastProvidedStatus() != null) { + ProviderStatus status = statusHolder.getLastProvidedStatus(); + + // Handle enabled/disabled game plugins + if (status == ProviderStatus.INITIALIZED && GenericTypeReflector.isSuperType(JAVA_PLUGIN_PROVIDER_TYPE, provider.getClass())) { + Plugin plugin = Bukkit.getPluginManager().getPlugin(provider.getMeta().getName()); + // Plugin doesn't exist? Could be due to it being removed. + if (plugin == null) { + return NamedTextColor.RED; + } + + return plugin.isEnabled() ? NamedTextColor.GREEN : NamedTextColor.RED; + } + + return switch (status) { + case INITIALIZED -> NamedTextColor.GREEN; + case ERRORED -> NamedTextColor.RED; + }; + } else if (provider instanceof PaperPluginParent.PaperServerPluginProvider serverPluginProvider && serverPluginProvider.shouldSkipCreation()) { + // Paper plugins will be skipped if their provider is skipped due to their initializer failing. + // Show them as red + return NamedTextColor.RED; + } else { + // Separated for future logic choice, but this indicated a provider that failed to load due to + // dependency issues or what not. + return NamedTextColor.RED; + } + } + + @Override + public boolean execute(@NotNull CommandSender sender, @NotNull String currentAlias, @NotNull String[] args) { + if (!this.testPermission(sender)) return true; + + TreeMap> paperPlugins = new TreeMap<>(String.CASE_INSENSITIVE_ORDER); + TreeMap> spigotPlugins = new TreeMap<>(String.CASE_INSENSITIVE_ORDER); + + + for (PluginProvider provider : LaunchEntryPointHandler.INSTANCE.get(Entrypoint.PLUGIN).getRegisteredProviders()) { + PluginMeta configuration = provider.getMeta(); + + if (provider instanceof SpigotPluginProvider) { + spigotPlugins.put(configuration.getDisplayName(), provider); + } else if (provider instanceof PaperPluginParent.PaperServerPluginProvider) { + paperPlugins.put(configuration.getDisplayName(), provider); + } + } + + Component infoMessage = Component.text("Server Plugins (%s):".formatted(paperPlugins.size() + spigotPlugins.size()), NamedTextColor.WHITE); + //.append(INFO_ICON_START.hoverEvent(SERVER_PLUGIN_INFO)); TODO: Add docs + + sender.sendMessage(infoMessage); + + if (!paperPlugins.isEmpty()) { + sender.sendMessage(PAPER_HEADER); + } + + for (Component component : formatProviders(paperPlugins)) { + sender.sendMessage(component); + } + + if (!spigotPlugins.isEmpty()) { + sender.sendMessage(BUKKIT_HEADER); + } + + for (Component component : formatProviders(spigotPlugins)) { + sender.sendMessage(component); + } + + return true; + } + + @NotNull + @Override + public List tabComplete(@NotNull CommandSender sender, @NotNull String alias, @NotNull String[] args) throws IllegalArgumentException { + return Collections.emptyList(); + } + +} diff --git a/src/main/java/io/papermc/paper/command/subcommands/DumpPluginsCommand.java b/src/main/java/io/papermc/paper/command/subcommands/DumpPluginsCommand.java new file mode 100644 index 0000000000000000000000000000000000000000..8ade7eb97aa899ddd4bb8274b8f588a4d7265868 --- /dev/null +++ b/src/main/java/io/papermc/paper/command/subcommands/DumpPluginsCommand.java @@ -0,0 +1,203 @@ +package io.papermc.paper.command.subcommands; + +import com.google.common.graph.GraphBuilder; +import com.google.gson.JsonArray; +import com.google.gson.JsonElement; +import com.google.gson.JsonObject; +import com.google.gson.JsonPrimitive; +import com.google.gson.internal.Streams; +import com.google.gson.stream.JsonWriter; +import io.papermc.paper.command.PaperSubcommand; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.entrypoint.classloader.group.LockingClassLoaderGroup; +import io.papermc.paper.plugin.entrypoint.classloader.group.PaperPluginClassLoaderStorage; +import io.papermc.paper.plugin.entrypoint.classloader.group.SimpleListPluginClassLoaderGroup; +import io.papermc.paper.plugin.entrypoint.classloader.group.SpigotPluginClassLoaderGroup; +import io.papermc.paper.plugin.entrypoint.classloader.group.StaticPluginClassLoaderGroup; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; +import io.papermc.paper.plugin.manager.PaperPluginManagerImpl; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import io.papermc.paper.plugin.storage.ConfiguredProviderStorage; +import io.papermc.paper.plugin.storage.ProviderStorage; +import net.minecraft.server.MinecraftServer; +import org.bukkit.command.CommandSender; +import org.bukkit.plugin.Plugin; +import org.checkerframework.checker.nullness.qual.NonNull; +import org.checkerframework.framework.qual.DefaultQualifier; + +import java.io.PrintStream; +import java.io.StringWriter; +import java.nio.charset.StandardCharsets; +import java.nio.file.Files; +import java.nio.file.Path; +import java.time.LocalDateTime; +import java.time.format.DateTimeFormatter; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +import static net.kyori.adventure.text.Component.text; +import static net.kyori.adventure.text.format.NamedTextColor.GREEN; +import static net.kyori.adventure.text.format.NamedTextColor.RED; + +@DefaultQualifier(NonNull.class) +public final class DumpPluginsCommand implements PaperSubcommand { + @Override + public boolean execute(final CommandSender sender, final String subCommand, final String[] args) { + this.dumpPlugins(sender, args); + return true; + } + + private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd_HH.mm.ss"); + + private void dumpPlugins(final CommandSender sender, final String[] args) { + Path parent = Path.of("debug"); + Path path = parent.resolve("plugin-info-" + FORMATTER.format(LocalDateTime.now()) + ".txt"); + try { + Files.createDirectories(parent); + Files.createFile(path); + sender.sendMessage(text("Writing plugin information to " + path, GREEN)); + + final JsonObject data = this.writeDebug(); + + StringWriter stringWriter = new StringWriter(); + JsonWriter jsonWriter = new JsonWriter(stringWriter); + jsonWriter.setIndent(" "); + jsonWriter.setLenient(false); + Streams.write(data, jsonWriter); + + try (PrintStream out = new PrintStream(Files.newOutputStream(path), false, StandardCharsets.UTF_8)) { + out.print(stringWriter); + } + sender.sendMessage(text("Successfully written plugin debug information!", GREEN)); + } catch (Throwable e) { + sender.sendMessage(text("Failed to write plugin information! See the console for more info.", RED)); + MinecraftServer.LOGGER.warn("Error occurred while dumping plugin info", e); + } + } + + private JsonObject writeDebug() { + JsonObject root = new JsonObject(); + if (ConfiguredProviderStorage.LEGACY_PLUGIN_LOADING) { + root.addProperty("legacy-loading-strategy", true); + } + + this.writeProviders(root); + this.writePlugins(root); + this.writeClassloaders(root); + + return root; + } + + private void writeProviders(JsonObject root) { + JsonObject rootProviders = new JsonObject(); + root.add("providers", rootProviders); + + for (Map.Entry, ProviderStorage> entry : LaunchEntryPointHandler.INSTANCE.getStorage().entrySet()) { + JsonObject entrypoint = new JsonObject(); + + JsonArray providers = new JsonArray(); + entrypoint.add("providers", providers); + + List> pluginProviders = new ArrayList<>(); + for (PluginProvider provider : entry.getValue().getRegisteredProviders()) { + JsonObject providerObj = new JsonObject(); + providerObj.addProperty("name", provider.getMeta().getName()); + providerObj.addProperty("version", provider.getMeta().getVersion()); + providerObj.addProperty("dependencies", provider.getMeta().getPluginDependencies().toString()); + providerObj.addProperty("soft-dependencies", provider.getMeta().getPluginSoftDependencies().toString()); + providerObj.addProperty("load-before", provider.getMeta().getLoadBeforePlugins().toString()); + + + providers.add(providerObj); + pluginProviders.add((PluginProvider) provider); + } + + JsonArray loadOrder = new JsonArray(); + entrypoint.add("load-order", loadOrder); + + ModernPluginLoadingStrategy modernPluginLoadingStrategy = new ModernPluginLoadingStrategy<>(new ProviderConfiguration<>() { + @Override + public void applyContext(PluginProvider provider, DependencyContext dependencyContext) { + } + + @Override + public boolean load(PluginProvider provider, Object provided) { + return true; + } + + @Override + public boolean preloadProvider(PluginProvider provider) { + // Don't load provider + loadOrder.add(provider.getMeta().getName()); + return false; + } + }); + modernPluginLoadingStrategy.loadProviders(pluginProviders, new MetaDependencyTree(GraphBuilder.directed().build())); + + rootProviders.add(entry.getKey().getDebugName(), entrypoint); + } + } + + private void writePlugins(JsonObject root) { + JsonArray rootPlugins = new JsonArray(); + root.add("plugins", rootPlugins); + + for (Plugin plugin : PaperPluginManagerImpl.getInstance().getPlugins()) { + rootPlugins.add(plugin.toString()); + } + } + + private void writeClassloaders(JsonObject root) { + JsonObject classLoadersRoot = new JsonObject(); + root.add("classloaders", classLoadersRoot); + + PaperPluginClassLoaderStorage storage = (PaperPluginClassLoaderStorage) PaperClassLoaderStorage.instance(); + classLoadersRoot.addProperty("global", storage.getGlobalGroup().toString()); + classLoadersRoot.addProperty("dependency_graph", PaperPluginManagerImpl.getInstance().getInstanceManagerGraph().toString()); + + JsonArray array = new JsonArray(); + classLoadersRoot.add("children", array); + for (PluginClassLoaderGroup group : storage.getGroups()) { + array.add(this.writeClassloader(group)); + } + } + + private JsonObject writeClassloader(PluginClassLoaderGroup group) { + JsonObject classLoadersRoot = new JsonObject(); + if (group instanceof SimpleListPluginClassLoaderGroup listGroup) { + JsonArray array = new JsonArray(); + classLoadersRoot.addProperty("main", listGroup.toString()); + if (group instanceof StaticPluginClassLoaderGroup staticPluginClassLoaderGroup) { + classLoadersRoot.addProperty("plugin-holder", staticPluginClassLoaderGroup.getPluginClassloader().toString()); + } else if (group instanceof SpigotPluginClassLoaderGroup spigotPluginClassLoaderGroup) { + classLoadersRoot.addProperty("plugin-holder", spigotPluginClassLoaderGroup.getPluginClassLoader().toString()); + } + + classLoadersRoot.add("children", array); + for (ConfiguredPluginClassLoader innerGroup : listGroup.getClassLoaders()) { + array.add(this.writeClassloader(innerGroup)); + } + + } else if (group instanceof LockingClassLoaderGroup locking) { + // Unwrap + return this.writeClassloader(locking.getParent()); + } else { + classLoadersRoot.addProperty("raw", group.toString()); + } + + return classLoadersRoot; + } + + private JsonElement writeClassloader(ConfiguredPluginClassLoader innerGroup) { + return new JsonPrimitive(innerGroup.toString()); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/PluginInitializerManager.java b/src/main/java/io/papermc/paper/plugin/PluginInitializerManager.java new file mode 100644 index 0000000000000000000000000000000000000000..89bf48fd581ee6580b91e2eb31dd532cb622df5e --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/PluginInitializerManager.java @@ -0,0 +1,132 @@ +package io.papermc.paper.plugin; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.configuration.PaperConfigurations; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import joptsimple.OptionSet; +import net.minecraft.server.dedicated.DedicatedServer; +import org.bukkit.configuration.file.YamlConfiguration; +import org.bukkit.craftbukkit.CraftServer; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; +import org.slf4j.Logger; + +import java.io.File; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; + +public class PluginInitializerManager { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + private static PluginInitializerManager impl; + private final Path pluginDirectory; + private final Path updateDirectory; + + PluginInitializerManager(final Path pluginDirectory, final Path updateDirectory) { + this.pluginDirectory = pluginDirectory; + this.updateDirectory = updateDirectory; + } + + private static PluginInitializerManager parse(@NotNull final OptionSet minecraftOptionSet) throws Exception { + // We have to load the bukkit configuration inorder to get the update folder location. + final File configFileLocationBukkit = (File) minecraftOptionSet.valueOf("bukkit-settings"); + + final Path pluginDirectory = ((File) minecraftOptionSet.valueOf("plugins")).toPath(); + + final YamlConfiguration configuration = PaperConfigurations.loadLegacyConfigFile(configFileLocationBukkit); + + final String updateDirectoryName = configuration.getString("settings.update-folder", "update"); + if (updateDirectoryName.isBlank()) { + return new PluginInitializerManager(pluginDirectory, null); + } + + final Path resolvedUpdateDirectory = pluginDirectory.resolve(updateDirectoryName); + if (!Files.isDirectory(resolvedUpdateDirectory)) { + if (Files.exists(resolvedUpdateDirectory)) { + LOGGER.error("Misconfigured update directory!"); + LOGGER.error("Your configured update directory ({}) in bukkit.yml is pointing to a non-directory path. " + + "Auto updating functionality will not work.", resolvedUpdateDirectory); + } + return new PluginInitializerManager(pluginDirectory, null); + } + + boolean isSameFile; + try { + isSameFile = Files.isSameFile(resolvedUpdateDirectory, pluginDirectory); + } catch (final IOException e) { + LOGGER.error("Misconfigured update directory!"); + LOGGER.error("Failed to compare update/plugin directory", e); + return new PluginInitializerManager(pluginDirectory, null); + } + + if (isSameFile) { + LOGGER.error("Misconfigured update directory!"); + LOGGER.error(("Your configured update directory (%s) in bukkit.yml is pointing to the same location as the plugin directory (%s). " + + "Disabling auto updating functionality.").formatted(resolvedUpdateDirectory, pluginDirectory)); + + return new PluginInitializerManager(pluginDirectory, null); + } + + return new PluginInitializerManager(pluginDirectory, resolvedUpdateDirectory); + } + + public static PluginInitializerManager init(final OptionSet optionSet) throws Exception { + impl = parse(optionSet); + return impl; + } + + public static PluginInitializerManager instance() { + return impl; + } + + @NotNull + public Path pluginDirectoryPath() { + return pluginDirectory; + } + + @Nullable + public Path pluginUpdatePath() { + return updateDirectory; + } + + public static void load(OptionSet optionSet) throws Exception { + // We have to load the bukkit configuration inorder to get the update folder location. + io.papermc.paper.plugin.PluginInitializerManager pluginSystem = io.papermc.paper.plugin.PluginInitializerManager.init(optionSet); + // Register the default plugin directory + io.papermc.paper.plugin.util.EntrypointUtil.registerProvidersFromSource(io.papermc.paper.plugin.provider.source.DirectoryProviderSource.INSTANCE, pluginSystem.pluginDirectoryPath()); + @SuppressWarnings("unchecked") + java.util.List files = (java.util.List) optionSet.valuesOf("add-plugin"); + // Register plugins from the flag + io.papermc.paper.plugin.util.EntrypointUtil.registerProvidersFromSource(io.papermc.paper.plugin.provider.source.PluginFlagProviderSource.INSTANCE, files); + } + + // This will be the end of me... + public static void reload(DedicatedServer dedicatedServer) { + // Wipe the provider storage + LaunchEntryPointHandler.INSTANCE.populateProviderStorage(); + try { + load(dedicatedServer.options); + } catch (Exception e) { + throw new RuntimeException("Failed to reload!", e); + } + + boolean hasPaperPlugin = false; + for (PluginProvider provider : LaunchEntryPointHandler.INSTANCE.getStorage().get(Entrypoint.PLUGIN).getRegisteredProviders()) { + if (provider instanceof PaperPluginParent.PaperServerPluginProvider) { + hasPaperPlugin = true; + break; + } + } + + if (hasPaperPlugin) { + LOGGER.warn("======== WARNING ========"); + LOGGER.warn("You are reloading while having Paper plugins installed on your server."); + LOGGER.warn("Paper plugins do NOT support being reloaded. This will cause some unexpected issues."); + LOGGER.warn("========================="); + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java new file mode 100644 index 0000000000000000000000000000000000000000..30b50e6294c6eaade5e17cfaf34600d122e6251c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginBootstrapContextImpl.java @@ -0,0 +1,48 @@ +package io.papermc.paper.plugin.bootstrap; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.PluginProvider; +import java.nio.file.Path; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.jetbrains.annotations.NotNull; + +public final class PluginBootstrapContextImpl implements BootstrapContext { + + private final PluginMeta config; + private final Path dataFolder; + private final ComponentLogger logger; + private final Path pluginSource; + + public PluginBootstrapContextImpl(PluginMeta config, Path dataFolder, ComponentLogger logger, Path pluginSource) { + this.config = config; + this.dataFolder = dataFolder; + this.logger = logger; + this.pluginSource = pluginSource; + } + + public static PluginBootstrapContextImpl create(PluginProvider provider, Path pluginFolder) { + Path dataFolder = pluginFolder.resolve(provider.getMeta().getName()); + + return new PluginBootstrapContextImpl(provider.getMeta(), dataFolder, provider.getLogger(), provider.getSource()); + } + + @Override + public @NotNull PluginMeta getConfiguration() { + return this.config; + } + + @Override + public @NotNull Path getDataDirectory() { + return this.dataFolder; + } + + @Override + public @NotNull ComponentLogger getLogger() { + return this.logger; + } + + @Override + public @NotNull Path getPluginSource() { + return this.pluginSource; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/bootstrap/PluginProviderContextImpl.java b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginProviderContextImpl.java new file mode 100644 index 0000000000000000000000000000000000000000..ef74ca64c589c9158909a2356e73a23f4f01faa2 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/bootstrap/PluginProviderContextImpl.java @@ -0,0 +1,49 @@ +package io.papermc.paper.plugin.bootstrap; + +import io.papermc.paper.plugin.PluginInitializerManager; +import io.papermc.paper.plugin.configuration.PluginMeta; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.jetbrains.annotations.NotNull; + +import java.nio.file.Path; + +public final class PluginProviderContextImpl implements PluginProviderContext { + + private final PluginMeta config; + private final Path dataFolder; + private final ComponentLogger logger; + private final Path pluginSource; + + public PluginProviderContextImpl(PluginMeta config, Path dataFolder, ComponentLogger logger, Path pluginSource) { + this.config = config; + this.dataFolder = dataFolder; + this.logger = logger; + this.pluginSource = pluginSource; + } + + public static PluginProviderContextImpl create(PluginMeta config, ComponentLogger logger, Path pluginSource) { + Path dataFolder = PluginInitializerManager.instance().pluginDirectoryPath().resolve(config.getName()); + + return new PluginProviderContextImpl(config, dataFolder, logger, pluginSource); + } + + @Override + public @NotNull PluginMeta getConfiguration() { + return this.config; + } + + @Override + public @NotNull Path getDataDirectory() { + return this.dataFolder; + } + + @Override + public @NotNull ComponentLogger getLogger() { + return this.logger; + } + + @Override + public @NotNull Path getPluginSource() { + return this.pluginSource; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/Entrypoint.java b/src/main/java/io/papermc/paper/plugin/entrypoint/Entrypoint.java new file mode 100644 index 0000000000000000000000000000000000000000..125008ac7db8b9f3fb57c49f8e4facc4ad4bb136 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/Entrypoint.java @@ -0,0 +1,25 @@ +package io.papermc.paper.plugin.entrypoint; + +import io.papermc.paper.plugin.bootstrap.PluginBootstrap; +import org.bukkit.plugin.java.JavaPlugin; + +/** + * Used to mark a certain place that {@link EntrypointHandler} will register {@link io.papermc.paper.plugin.provider.PluginProvider} under. + * Used for loading only certain providers at a certain time. + * @param provider type + */ +public final class Entrypoint { + + public static final Entrypoint BOOTSTRAPPER = new Entrypoint<>("bootstrapper"); + public static final Entrypoint PLUGIN = new Entrypoint<>("plugin"); + + private final String debugName; + + private Entrypoint(String debugName) { + this.debugName = debugName; + } + + public String getDebugName() { + return debugName; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/EntrypointHandler.java b/src/main/java/io/papermc/paper/plugin/entrypoint/EntrypointHandler.java new file mode 100644 index 0000000000000000000000000000000000000000..b38e1e0f3d3055086f51bb191fd4b60ecf32d016 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/EntrypointHandler.java @@ -0,0 +1,14 @@ +package io.papermc.paper.plugin.entrypoint; + +import io.papermc.paper.plugin.provider.PluginProvider; + +/** + * Represents a register that will register providers at a certain {@link Entrypoint}, + * where then when the given {@link Entrypoint} is registered those will be loaded. + */ +public interface EntrypointHandler { + + void register(Entrypoint entrypoint, PluginProvider provider); + + void enter(Entrypoint entrypoint); +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/LaunchEntryPointHandler.java b/src/main/java/io/papermc/paper/plugin/entrypoint/LaunchEntryPointHandler.java new file mode 100644 index 0000000000000000000000000000000000000000..6c0f2c315387734f8dd4a7eca633aa0a9856dd17 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/LaunchEntryPointHandler.java @@ -0,0 +1,65 @@ +package io.papermc.paper.plugin.entrypoint; + +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.storage.BootstrapProviderStorage; +import io.papermc.paper.plugin.storage.ProviderStorage; +import io.papermc.paper.plugin.storage.ServerPluginProviderStorage; +import org.jetbrains.annotations.ApiStatus; + +import java.util.HashMap; +import java.util.Map; + +/** + * Used by the server to register/load plugin bootstrappers and plugins. + */ +public class LaunchEntryPointHandler implements EntrypointHandler { + + public static final LaunchEntryPointHandler INSTANCE = new LaunchEntryPointHandler(); + private final Map, ProviderStorage> storage = new HashMap<>(); + + LaunchEntryPointHandler() { + this.populateProviderStorage(); + } + + // Utility + public static void enterBootstrappers() { + LaunchEntryPointHandler.INSTANCE.enter(Entrypoint.BOOTSTRAPPER); + } + + @Override + public void enter(Entrypoint entrypoint) { + ProviderStorage storage = this.storage.get(entrypoint); + if (storage == null) { + throw new IllegalArgumentException("No storage registered for entrypoint %s.".formatted(entrypoint)); + } + + storage.enter(); + } + + @Override + public void register(Entrypoint entrypoint, PluginProvider provider) { + ProviderStorage storage = this.get(entrypoint); + if (storage == null) { + throw new IllegalArgumentException("No storage registered for entrypoint %s.".formatted(entrypoint)); + } + + storage.register(provider); + } + + @SuppressWarnings("unchecked") + public ProviderStorage get(Entrypoint entrypoint) { + return (ProviderStorage) this.storage.get(entrypoint); + } + + // Debug only + @ApiStatus.Internal + public Map, ProviderStorage> getStorage() { + return storage; + } + + // Reload only + public void populateProviderStorage() { + this.storage.put(Entrypoint.BOOTSTRAPPER, new BootstrapProviderStorage()); + this.storage.put(Entrypoint.PLUGIN, new ServerPluginProviderStorage()); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/ClassloaderBytecodeModifier.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/ClassloaderBytecodeModifier.java new file mode 100644 index 0000000000000000000000000000000000000000..93b5196a960f3efbe0d28f5527ea2752426213ce --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/ClassloaderBytecodeModifier.java @@ -0,0 +1,22 @@ +package io.papermc.paper.plugin.entrypoint.classloader; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import net.kyori.adventure.util.Services; +import org.jetbrains.annotations.ApiStatus; + +@ApiStatus.Internal +public interface ClassloaderBytecodeModifier { + + static ClassloaderBytecodeModifier bytecodeModifier() { + return Provider.INSTANCE; + } + + byte[] modify(PluginMeta config, byte[] bytecode); + + class Provider { + + private static final ClassloaderBytecodeModifier INSTANCE = Services.service(ClassloaderBytecodeModifier.class).orElseThrow(); + + } + +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperClassloaderBytecodeModifier.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperClassloaderBytecodeModifier.java new file mode 100644 index 0000000000000000000000000000000000000000..f9a2c55a354c877749db3f92956de802ae575788 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperClassloaderBytecodeModifier.java @@ -0,0 +1,12 @@ +package io.papermc.paper.plugin.entrypoint.classloader; + +import io.papermc.paper.plugin.configuration.PluginMeta; + +// Stub, implement in future. +public class PaperClassloaderBytecodeModifier implements ClassloaderBytecodeModifier { + + @Override + public byte[] modify(PluginMeta configuration, byte[] bytecode) { + return bytecode; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperPluginClassLoader.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperPluginClassLoader.java new file mode 100644 index 0000000000000000000000000000000000000000..5a00e5c41274ded6b837fb81fa8f54616f2b7bc8 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperPluginClassLoader.java @@ -0,0 +1,205 @@ +package io.papermc.paper.plugin.entrypoint.classloader; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.entrypoint.classloader.group.PaperPluginClassLoaderStorage; +import io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import org.bukkit.Bukkit; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +import java.io.File; +import java.io.IOException; +import java.net.URL; +import java.net.URLClassLoader; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Enumeration; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.jar.JarFile; +import java.util.logging.Logger; + +/** + * This is similar to a {@link org.bukkit.plugin.java.PluginClassLoader} but is completely kept hidden from the api. + * This is only used with Paper plugins. + * + * @see PaperPluginClassLoaderStorage + */ +public class PaperPluginClassLoader extends PaperSimplePluginClassLoader implements ConfiguredPluginClassLoader { + + static { + registerAsParallelCapable(); + } + + private final URLClassLoader libraryLoader; + private final Set seenIllegalAccess = Collections.newSetFromMap(new ConcurrentHashMap<>()); + private final Logger logger; + @Nullable + private JavaPlugin loadedJavaPlugin; + @Nullable + private PluginClassLoaderGroup group; + + public PaperPluginClassLoader(Logger logger, Path source, JarFile file, PaperPluginMeta configuration, ClassLoader parentLoader, URLClassLoader libraryLoader) throws IOException { + super(source, file, configuration, parentLoader); + this.libraryLoader = libraryLoader; + + this.logger = logger; + if (this.configuration.hasOpenClassloader()) { + this.group = PaperClassLoaderStorage.instance().registerOpenGroup(this); + } + } + + public void refreshClassloaderDependencyTree(DependencyContext dependencyContext) { + if (this.configuration.hasOpenClassloader()) { + return; + } + if (this.group != null) { + // We need to unregister the classloader inorder to allow for dependencies + // to be recalculated + PaperClassLoaderStorage.instance().unregisterClassloader(this); + } + + this.group = PaperClassLoaderStorage.instance().registerAccessBackedGroup(this, (classLoader) -> { + return dependencyContext.isTransitiveDependency(PaperPluginClassLoader.this.configuration, classLoader.getConfiguration()); + }); + } + + @Override + public URL getResource(String name) { + URL resource = findResource(name); + if (resource == null && this.libraryLoader != null) { + return this.libraryLoader.getResource(name); + } + return resource; + } + + @Override + public Enumeration getResources(String name) throws IOException { + List resources = new ArrayList<>(); + this.addEnumeration(resources, this.findResources(name)); + if (this.libraryLoader != null) { + addEnumeration(resources, this.libraryLoader.getResources(name)); + } + return Collections.enumeration(resources); + } + + private void addEnumeration(List list, Enumeration enumeration) { + while (enumeration.hasMoreElements()) { + list.add(enumeration.nextElement()); + } + } + + @Override + protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException { + return this.loadClass(name, resolve, true, true); + } + + @Override + public PluginMeta getConfiguration() { + return this.configuration; + } + + @Override + public Class loadClass(@NotNull String name, boolean resolve, boolean checkGroup, boolean checkLibraries) throws ClassNotFoundException { + try { + Class result = super.loadClass(name, resolve); + + // SPIGOT-6749: Library classes will appear in the above, but we don't want to return them to other plugins + if (checkGroup || result.getClassLoader() == this) { + return result; + } + } catch (ClassNotFoundException ignored) { + } + + if (checkLibraries) { + try { + return this.libraryLoader.loadClass(name); + } catch (ClassNotFoundException ignored) { + } + } + + if (checkGroup) { + // This ignores the libraries of other plugins, unless they are transitive dependencies. + if (this.group == null) { + throw new IllegalStateException("Tried to resolve class while group was not yet initialized"); + } + + Class clazz = this.group.getClassByName(name, resolve, this); + if (clazz != null) { + return clazz; + } + } + + throw new ClassNotFoundException(name); + } + + @Override + public void init(JavaPlugin plugin) { + PluginMeta config = this.configuration; + PluginDescriptionFile pluginDescriptionFile = new PluginDescriptionFile( + config.getName(), + config.getName(), + config.getProvidedPlugins(), + config.getMainClass(), + "", // Classloader load order api + config.getPluginDependencies(), // Dependencies + config.getPluginSoftDependencies(), // Soft Depends + config.getLoadBeforePlugins(), // Load Before + config.getVersion(), + Map.of(), // Commands, we use a separate system + config.getDescription(), + config.getAuthors(), + config.getContributors(), + config.getWebsite(), + config.getLoggerPrefix(), + config.getLoadOrder(), + config.getPermissions(), + config.getPermissionDefault(), + Set.of(), // Aware api + config.getAPIVersion(), + List.of() // Libraries + ); + + File dataFolder = new File(Bukkit.getPluginsFolder(), pluginDescriptionFile.getName()); + + plugin.init(Bukkit.getServer(), pluginDescriptionFile, dataFolder, this.source.toFile(), this, config, this.logger); + + this.loadedJavaPlugin = plugin; + } + + @Nullable + @Override + public JavaPlugin getPlugin() { + return this.loadedJavaPlugin; + } + + @Override + public String toString() { + return "PaperPluginClassLoader{" + + "libraryLoader=" + this.libraryLoader + + ", seenIllegalAccess=" + this.seenIllegalAccess + + ", loadedJavaPlugin=" + this.loadedJavaPlugin + + '}'; + } + + @Override + public void close() throws IOException { + try (this.jar; this.libraryLoader) { + super.close(); + } + } + + @Override + public @Nullable PluginClassLoaderGroup getGroup() { + return this.group; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperSimplePluginClassLoader.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperSimplePluginClassLoader.java new file mode 100644 index 0000000000000000000000000000000000000000..6688f2af4a32c2f79785f162e2eac0330d439ac1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/PaperSimplePluginClassLoader.java @@ -0,0 +1,116 @@ +package io.papermc.paper.plugin.entrypoint.classloader; + +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.util.NamespaceChecker; +import org.jetbrains.annotations.ApiStatus; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.net.URLClassLoader; +import java.nio.file.Path; +import java.security.CodeSigner; +import java.security.CodeSource; +import java.util.Enumeration; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; +import java.util.jar.Manifest; + +/** + * Represents a simple classloader used for paper plugin bootstrappers. + */ +@ApiStatus.Internal +public class PaperSimplePluginClassLoader extends URLClassLoader { + + static { + ClassLoader.registerAsParallelCapable(); + } + + protected final PaperPluginMeta configuration; + protected final Path source; + protected final Manifest jarManifest; + protected final URL jarUrl; + protected final JarFile jar; + + public PaperSimplePluginClassLoader(Path source, JarFile file, PaperPluginMeta configuration, ClassLoader parentLoader) throws IOException { + super(source.getFileName().toString(), new URL[]{source.toUri().toURL()}, parentLoader); + + this.source = source; + this.jarManifest = file.getManifest(); + this.jarUrl = source.toUri().toURL(); + this.configuration = configuration; + this.jar = file; + } + + @Override + public URL getResource(String name) { + return this.findResource(name); + } + + @Override + public Enumeration getResources(String name) throws IOException { + return this.findResources(name); + } + + // Bytecode modification supported loader + @Override + protected Class findClass(String name) throws ClassNotFoundException { + NamespaceChecker.validateNameSpaceForClassloading(name); + + // See UrlClassLoader#findClass(String) + String path = name.replace('.', '/').concat(".class"); + JarEntry entry = this.jar.getJarEntry(path); + if (entry == null) { + throw new ClassNotFoundException(); + } + + // See URLClassLoader#defineClass(String, Resource) + byte[] classBytes; + + try (InputStream is = this.jar.getInputStream(entry)) { + classBytes = is.readAllBytes(); + } catch (IOException ex) { + throw new ClassNotFoundException(name, ex); + } + + classBytes = ClassloaderBytecodeModifier.bytecodeModifier().modify(this.configuration, classBytes); + + int dot = name.lastIndexOf('.'); + if (dot != -1) { + String pkgName = name.substring(0, dot); + // Get defined package does not correctly handle sealed packages. + if (this.getDefinedPackage(pkgName) == null) { + try { + if (this.jarManifest != null) { + this.definePackage(pkgName, this.jarManifest, this.jarUrl); + } else { + this.definePackage(pkgName, null, null, null, null, null, null, null); + } + } catch (IllegalArgumentException ex) { + // parallel-capable class loaders: re-verify in case of a + // race condition + if (this.getDefinedPackage(pkgName) == null) { + // Should never happen + throw new IllegalStateException("Cannot find package " + pkgName); + } + } + } + } + + CodeSigner[] signers = entry.getCodeSigners(); + CodeSource source = new CodeSource(this.jarUrl, signers); + + return this.defineClass(name, classBytes, 0, classBytes.length, source); + } + + @Override + public String toString() { + return "PaperSimplePluginClassLoader{" + + "configuration=" + this.configuration + + ", source=" + this.source + + ", jarManifest=" + this.jarManifest + + ", jarUrl=" + this.jarUrl + + ", jar=" + this.jar + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/DependencyBasedPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/DependencyBasedPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..eaf5c794cbe8d6138c9d60eaae20f5fc7711f541 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/DependencyBasedPluginClassLoaderGroup.java @@ -0,0 +1,47 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import org.jetbrains.annotations.ApiStatus; + +import java.util.ArrayList; + +@ApiStatus.Internal +public class DependencyBasedPluginClassLoaderGroup extends SimpleListPluginClassLoaderGroup { + + private final GlobalPluginClassLoaderGroup globalPluginClassLoaderGroup; + private final ClassLoaderAccess access; + + public DependencyBasedPluginClassLoaderGroup(GlobalPluginClassLoaderGroup globalPluginClassLoaderGroup, ClassLoaderAccess access) { + super(new ArrayList<>()); + this.access = access; + this.globalPluginClassLoaderGroup = globalPluginClassLoaderGroup; + } + + /** + * This will refresh the dependencies of the current classloader. + */ + public void populateDependencies() { + this.classloaders.clear(); + for (ConfiguredPluginClassLoader configuredPluginClassLoader : this.globalPluginClassLoaderGroup.getClassLoaders()) { + if (this.access.canAccess(configuredPluginClassLoader)) { + this.classloaders.add(configuredPluginClassLoader); + } + } + + } + + @Override + public ClassLoaderAccess getAccess() { + return this.access; + } + + @Override + public String toString() { + return "DependencyBasedPluginClassLoaderGroup{" + + "globalPluginClassLoaderGroup=" + this.globalPluginClassLoaderGroup + + ", access=" + this.access + + ", classloaders=" + this.classloaders + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/GlobalPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/GlobalPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..2a4933088928a51c8135a3a60b7447d9d10c66c4 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/GlobalPluginClassLoaderGroup.java @@ -0,0 +1,18 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import org.jetbrains.annotations.ApiStatus; + +@ApiStatus.Internal +public class GlobalPluginClassLoaderGroup extends SimpleListPluginClassLoaderGroup { + + @Override + public ClassLoaderAccess getAccess() { + return (v) -> true; + } + + @Override + public String toString() { + return "GLOBAL:" + super.toString(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/LockingClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/LockingClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..aae50ebba6ba1579b75af5370c8b020d2a927b2c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/LockingClassLoaderGroup.java @@ -0,0 +1,76 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.Nullable; + +import java.util.HashMap; +import java.util.Map; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.concurrent.locks.ReentrantReadWriteLock; + +@ApiStatus.Internal +public class LockingClassLoaderGroup implements PluginClassLoaderGroup { + + private final PluginClassLoaderGroup parent; + private final Map classLoadLock = new HashMap<>(); + + public LockingClassLoaderGroup(PluginClassLoaderGroup parent) { + this.parent = parent; + } + + @Override + public @Nullable Class getClassByName(String name, boolean resolve, ConfiguredPluginClassLoader requester) { + // make MT safe + ClassLockEntry lock; + synchronized (this.classLoadLock) { + lock = this.classLoadLock.computeIfAbsent(name, (x) -> new ClassLockEntry(new AtomicInteger(0), new java.util.concurrent.locks.ReentrantReadWriteLock())); + lock.count.incrementAndGet(); + } + lock.reentrantReadWriteLock.writeLock().lock(); + try { + return parent.getClassByName(name, resolve, requester); + } finally { + synchronized (this.classLoadLock) { + lock.reentrantReadWriteLock.writeLock().unlock(); + if (lock.count.get() == 1) { + this.classLoadLock.remove(name); + } else { + lock.count.decrementAndGet(); + } + } + } + } + + @Override + public void remove(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.parent.remove(configuredPluginClassLoader); + } + + @Override + public void add(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.parent.add(configuredPluginClassLoader); + } + + @Override + public ClassLoaderAccess getAccess() { + return this.parent.getAccess(); + } + + public PluginClassLoaderGroup getParent() { + return parent; + } + + record ClassLockEntry(AtomicInteger count, ReentrantReadWriteLock reentrantReadWriteLock) { + } + + @Override + public String toString() { + return "LockingClassLoaderGroup{" + + "parent=" + this.parent + + ", classLoadLock=" + this.classLoadLock + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/PaperPluginClassLoaderStorage.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/PaperPluginClassLoaderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..e6fcdeb96356ff4713627b1458ac8bbfad1866b1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/PaperPluginClassLoaderStorage.java @@ -0,0 +1,93 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import org.bukkit.plugin.java.PluginClassLoader; +import org.jetbrains.annotations.ApiStatus; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.CopyOnWriteArrayList; + +/** + * This is used for connecting multiple classloaders. + */ +public final class PaperPluginClassLoaderStorage implements PaperClassLoaderStorage { + + private final GlobalPluginClassLoaderGroup globalGroup = new GlobalPluginClassLoaderGroup(); + private final List groups = new CopyOnWriteArrayList<>(); + + public PaperPluginClassLoaderStorage() { + this.groups.add(this.globalGroup); + } + + @Override + public PluginClassLoaderGroup registerSpigotGroup(PluginClassLoader pluginClassLoader) { + return this.registerGroup(pluginClassLoader, new SpigotPluginClassLoaderGroup(this.globalGroup, (library) -> { + return pluginClassLoader.dependencyContext.isTransitiveDependency(pluginClassLoader.getConfiguration(), library.getConfiguration()); + }, pluginClassLoader)); + } + + @Override + public PluginClassLoaderGroup registerOpenGroup(ConfiguredPluginClassLoader classLoader) { + return this.registerGroup(classLoader, this.globalGroup); + } + + @Override + public PluginClassLoaderGroup registerAccessBackedGroup(ConfiguredPluginClassLoader classLoader, ClassLoaderAccess access) { + List allowedLoaders = new ArrayList<>(); + for (ConfiguredPluginClassLoader configuredPluginClassLoader : this.globalGroup.getClassLoaders()) { + if (access.canAccess(configuredPluginClassLoader)) { + allowedLoaders.add(configuredPluginClassLoader); + } + } + + return this.registerGroup(classLoader, new StaticPluginClassLoaderGroup(allowedLoaders, access, classLoader)); + } + + private PluginClassLoaderGroup registerGroup(ConfiguredPluginClassLoader classLoader, PluginClassLoaderGroup group) { + // Now add this classloader to any groups that allows it (includes global) + for (PluginClassLoaderGroup loaderGroup : this.groups) { + if (loaderGroup.getAccess().canAccess(classLoader)) { + loaderGroup.add(classLoader); + } + } + + group = new LockingClassLoaderGroup(group); + this.groups.add(group); + return group; + } + + @Override + public void unregisterClassloader(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.globalGroup.remove(configuredPluginClassLoader); + this.groups.remove(configuredPluginClassLoader.getGroup()); + for (PluginClassLoaderGroup group : this.groups) { + group.remove(configuredPluginClassLoader); + } + } + + @Override + public boolean registerUnsafePlugin(ConfiguredPluginClassLoader pluginLoader) { + if (this.globalGroup.getClassLoaders().contains(pluginLoader)) { + return false; + } else { + this.globalGroup.add(pluginLoader); + return true; + } + } + + // Debug only + @ApiStatus.Internal + public GlobalPluginClassLoaderGroup getGlobalGroup() { + return this.globalGroup; + } + + // Debug only + @ApiStatus.Internal + public List getGroups() { + return this.groups; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SimpleListPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SimpleListPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..23b6cb297f46c9c2b2944a3ab4031c31414620ad --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SimpleListPluginClassLoaderGroup.java @@ -0,0 +1,69 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.Nullable; + +import java.util.List; +import java.util.concurrent.CopyOnWriteArrayList; + +@ApiStatus.Internal +public abstract class SimpleListPluginClassLoaderGroup implements PluginClassLoaderGroup { + + private static final boolean DISABLE_CLASS_PRIORITIZATION = Boolean.getBoolean("Paper.DisableClassPrioritization"); + + protected final List classloaders; + + protected SimpleListPluginClassLoaderGroup() { + this(new CopyOnWriteArrayList<>()); + } + + protected SimpleListPluginClassLoaderGroup(List classloaders) { + this.classloaders = classloaders; + } + + @Override + public @Nullable Class getClassByName(String name, boolean resolve, ConfiguredPluginClassLoader requester) { + if (!DISABLE_CLASS_PRIORITIZATION) { + try { + return this.lookupClass(name, false, requester); // First check the requester + } catch (ClassNotFoundException ignored) { + } + } + + for (ConfiguredPluginClassLoader loader : this.classloaders) { + try { + return this.lookupClass(name, resolve, loader); + } catch (ClassNotFoundException ignored) { + } + } + + return null; + } + + protected Class lookupClass(String name, boolean resolve, ConfiguredPluginClassLoader current) throws ClassNotFoundException { + return current.loadClass(name, resolve, false, true); + } + + @Override + public void remove(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.classloaders.remove(configuredPluginClassLoader); + } + + @Override + public void add(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.classloaders.add(configuredPluginClassLoader); + } + + public List getClassLoaders() { + return classloaders; + } + + @Override + public String toString() { + return "SimpleListPluginClassLoaderGroup{" + + "classloaders=" + this.classloaders + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SingletonPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SingletonPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..3b670bd6b35ae7f56488a9b50df54709a0b28901 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SingletonPluginClassLoaderGroup.java @@ -0,0 +1,60 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PluginClassLoaderGroup; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.Nullable; + +@ApiStatus.Internal +public class SingletonPluginClassLoaderGroup implements PluginClassLoaderGroup { + + private final ConfiguredPluginClassLoader configuredPluginClassLoader; + private final Access access; + + public SingletonPluginClassLoaderGroup(ConfiguredPluginClassLoader configuredPluginClassLoader) { + this.configuredPluginClassLoader = configuredPluginClassLoader; + this.access = new Access(); + } + + @Override + public @Nullable Class getClassByName(String name, boolean resolve, ConfiguredPluginClassLoader requester) { + try { + return this.configuredPluginClassLoader.loadClass(name, resolve, false, true); + } catch (ClassNotFoundException ignored) { + } + + return null; + } + + @Override + public void remove(ConfiguredPluginClassLoader configuredPluginClassLoader) { + } + + @Override + public void add(ConfiguredPluginClassLoader configuredPluginClassLoader) { + } + + @Override + public ClassLoaderAccess getAccess() { + return this.access; + } + + @ApiStatus.Internal + private class Access implements ClassLoaderAccess { + + @Override + public boolean canAccess(ConfiguredPluginClassLoader classLoader) { + return SingletonPluginClassLoaderGroup.this.configuredPluginClassLoader == classLoader; + } + + } + + @Override + public String toString() { + return "SingletonPluginClassLoaderGroup{" + + "configuredPluginClassLoader=" + this.configuredPluginClassLoader + + ", access=" + this.access + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SpigotPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SpigotPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..5a9f5b18e24a89dd642149a7a3d49390328b864b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/SpigotPluginClassLoaderGroup.java @@ -0,0 +1,58 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import org.bukkit.plugin.java.PluginClassLoader; +import org.jetbrains.annotations.ApiStatus; + +import java.util.function.Predicate; + +/** + * Spigot classloaders have the ability to see everything. + * However, libraries are ONLY shared depending on their dependencies. + */ +@ApiStatus.Internal +public class SpigotPluginClassLoaderGroup extends SimpleListPluginClassLoaderGroup { + + private final Predicate libraryClassloaderPredicate; + private final PluginClassLoader pluginClassLoader; + + public SpigotPluginClassLoaderGroup(GlobalPluginClassLoaderGroup globalPluginClassLoaderGroup, Predicate libraryClassloaderPredicate, PluginClassLoader pluginClassLoader) { + super(globalPluginClassLoaderGroup.getClassLoaders()); + this.libraryClassloaderPredicate = libraryClassloaderPredicate; + this.pluginClassLoader = pluginClassLoader; + } + + // Mirrors global list + @Override + public void add(ConfiguredPluginClassLoader configuredPluginClassLoader) { + } + + @Override + public void remove(ConfiguredPluginClassLoader configuredPluginClassLoader) { + } + + // Don't allow other plugins to access spigot dependencies, they should instead reference the global list + @Override + public ClassLoaderAccess getAccess() { + return v -> false; + } + + @Override + protected Class lookupClass(String name, boolean resolve, ConfiguredPluginClassLoader current) throws ClassNotFoundException { + return current.loadClass(name, resolve, false, this.libraryClassloaderPredicate.test(current)); + } + + // DEBUG + public PluginClassLoader getPluginClassLoader() { + return pluginClassLoader; + } + + @Override + public String toString() { + return "SpigotPluginClassLoaderGroup{" + + "libraryClassloaderPredicate=" + this.libraryClassloaderPredicate + + ", classloaders=" + this.classloaders + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/StaticPluginClassLoaderGroup.java b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/StaticPluginClassLoaderGroup.java new file mode 100644 index 0000000000000000000000000000000000000000..2412155ddfd559023f42ff534b8f06a52588e1e0 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/classloader/group/StaticPluginClassLoaderGroup.java @@ -0,0 +1,40 @@ +package io.papermc.paper.plugin.entrypoint.classloader.group; + +import io.papermc.paper.plugin.provider.classloader.ClassLoaderAccess; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import org.jetbrains.annotations.ApiStatus; + +import java.util.List; + +@ApiStatus.Internal +public class StaticPluginClassLoaderGroup extends SimpleListPluginClassLoaderGroup { + + private final ClassLoaderAccess access; + // Debug only + private final ConfiguredPluginClassLoader mainClassloaderHolder; + + public StaticPluginClassLoaderGroup(List classloaders, ClassLoaderAccess access, ConfiguredPluginClassLoader mainClassloaderHolder) { + super(classloaders); + this.access = access; + this.mainClassloaderHolder = mainClassloaderHolder; + } + + @Override + public ClassLoaderAccess getAccess() { + return this.access; + } + + // DEBUG + @ApiStatus.Internal + public ConfiguredPluginClassLoader getPluginClassloader() { + return this.mainClassloaderHolder; + } + + @Override + public String toString() { + return "StaticPluginClassLoaderGroup{" + + "access=" + this.access + + ", classloaders=" + this.classloaders + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/DependencyContextHolder.java b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/DependencyContextHolder.java new file mode 100644 index 0000000000000000000000000000000000000000..f43295fdeaa587cf30c35a1d545167071d58ce4b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/DependencyContextHolder.java @@ -0,0 +1,9 @@ +package io.papermc.paper.plugin.entrypoint.dependency; + +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; + +public interface DependencyContextHolder { + + void setContext(DependencyContext context); + +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/GraphDependencyContext.java b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/GraphDependencyContext.java new file mode 100644 index 0000000000000000000000000000000000000000..a2fa8406bc3f0dcab6805633ae984d031d24692a --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/GraphDependencyContext.java @@ -0,0 +1,54 @@ +package io.papermc.paper.plugin.entrypoint.dependency; + +import com.google.common.graph.Graph; +import com.google.common.graph.Graphs; +import com.google.common.graph.MutableGraph; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; + +import java.util.Set; + +@SuppressWarnings("UnstableApiUsage") +public class GraphDependencyContext implements DependencyContext { + + private final MutableGraph dependencyGraph; + + public GraphDependencyContext(MutableGraph dependencyGraph) { + this.dependencyGraph = dependencyGraph; + } + + @Override + public boolean isTransitiveDependency(PluginMeta plugin, PluginMeta depend) { + String pluginIdentifier = plugin.getName(); + + if (this.dependencyGraph.nodes().contains(pluginIdentifier)) { + Set reachableNodes = Graphs.reachableNodes(this.dependencyGraph, pluginIdentifier); + if (reachableNodes.contains(depend.getName())) { + return true; + } + for (String provided : depend.getProvidedPlugins()) { + if (reachableNodes.contains(provided)) { + return true; + } + } + } + + return false; + } + + @Override + public boolean hasDependency(String pluginIdentifier) { + return this.dependencyGraph.nodes().contains(pluginIdentifier); + } + + public MutableGraph getDependencyGraph() { + return dependencyGraph; + } + + @Override + public String toString() { + return "GraphDependencyContext{" + + "dependencyGraph=" + this.dependencyGraph + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/MetaDependencyTree.java b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/MetaDependencyTree.java new file mode 100644 index 0000000000000000000000000000000000000000..e72bec3b0cbc41580f1b4beecae316d1c083d3e3 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/dependency/MetaDependencyTree.java @@ -0,0 +1,117 @@ +package io.papermc.paper.plugin.entrypoint.dependency; + +import com.google.common.graph.GraphBuilder; +import com.google.common.graph.Graphs; +import com.google.common.graph.MutableGraph; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import org.jetbrains.annotations.NotNull; + +import java.util.HashSet; +import java.util.Set; + +public class MetaDependencyTree implements DependencyContext { + + private final MutableGraph graph; + + // We need to upkeep a separate collection since when populating + // a graph it adds nodes even if they are not present + private final Set dependencies = new HashSet<>(); + + public MetaDependencyTree() { + this(GraphBuilder.directed().build()); + } + + public MetaDependencyTree(MutableGraph graph) { + this.graph = graph; + } + + public void add(PluginProvider provider) { + add(provider.getMeta()); + } + + public void remove(PluginProvider provider) { + remove(provider.getMeta()); + } + + public void add(PluginMeta configuration) { + String identifier = configuration.getName(); + // Build a validated provider's dependencies into the graph + for (String dependency : configuration.getPluginDependencies()) { + this.graph.putEdge(identifier, dependency); + } + for (String dependency : configuration.getPluginSoftDependencies()) { + this.graph.putEdge(identifier, dependency); + } + + this.graph.addNode(identifier); // Make sure dependencies at least have a node + + // Add the provided plugins to the graph as well + for (String provides : configuration.getProvidedPlugins()) { + this.graph.putEdge(identifier, provides); + this.dependencies.add(provides); + } + this.dependencies.add(identifier); + } + + public void remove(PluginMeta configuration) { + String identifier = configuration.getName(); + // Remove a validated provider's dependencies into the graph + for (String dependency : configuration.getPluginDependencies()) { + this.graph.removeEdge(identifier, dependency); + } + for (String dependency : configuration.getPluginSoftDependencies()) { + this.graph.removeEdge(identifier, dependency); + } + + this.graph.removeNode(identifier); // Remove root node + + // Remove the provided plugins to the graph as well + for (String provides : configuration.getProvidedPlugins()) { + this.graph.removeEdge(identifier, provides); + this.dependencies.remove(provides); + } + this.dependencies.remove(identifier); + } + + @Override + public boolean isTransitiveDependency(@NotNull PluginMeta plugin, @NotNull PluginMeta depend) { + String pluginIdentifier = plugin.getName(); + + if (this.graph.nodes().contains(pluginIdentifier)) { + Set reachableNodes = Graphs.reachableNodes(this.graph, pluginIdentifier); + if (reachableNodes.contains(depend.getName())) { + return true; + } + for (String provided : depend.getProvidedPlugins()) { + if (reachableNodes.contains(provided)) { + return true; + } + } + } + + return false; + } + + @Override + public boolean hasDependency(@NotNull String pluginIdentifier) { + return this.dependencies.contains(pluginIdentifier); + } + + // Used by the legacy loader -- this isn't recommended + public void addDirectDependency(String dependency) { + this.dependencies.add(dependency); + } + + @Override + public String toString() { + return "ProviderDependencyTree{" + + "graph=" + this.graph + + '}'; + } + + public MutableGraph getGraph() { + return graph; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/JohnsonSimpleCycles.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/JohnsonSimpleCycles.java new file mode 100644 index 0000000000000000000000000000000000000000..a9bca905eba67972e4d1b07b1d243272b62fec66 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/JohnsonSimpleCycles.java @@ -0,0 +1,354 @@ +/* + * (C) Copyright 2013-2021, by Nikolay Ognyanov and Contributors. + * + * JGraphT : a free Java graph-theory library + * + * See the CONTRIBUTORS.md file distributed with this work for additional + * information regarding copyright ownership. + * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License 2.0 which is available at + * http://www.eclipse.org/legal/epl-2.0, or the + * GNU Lesser General Public License v2.1 or later + * which is available at + * http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html. + * + * SPDX-License-Identifier: EPL-2.0 OR LGPL-2.1-or-later + */ + +// MODIFICATIONS: +// - Modified to use a guava graph directly + +package io.papermc.paper.plugin.entrypoint.strategy; + +import com.google.common.base.Preconditions; +import com.google.common.graph.Graph; +import com.google.common.graph.GraphBuilder; +import com.google.common.graph.MutableGraph; +import com.mojang.datafixers.util.Pair; + +import java.util.ArrayDeque; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.function.BiConsumer; +import java.util.function.Consumer; + +/** + * Find all simple cycles of a directed graph using the Johnson's algorithm. + * + *

+ * See:
+ * D.B.Johnson, Finding all the elementary circuits of a directed graph, SIAM J. Comput., 4 (1975), + * pp. 77-84. + * + * @param the vertex type. + * + * @author Nikolay Ognyanov + */ +public class JohnsonSimpleCycles +{ + // The graph. + private Graph graph; + + // The main state of the algorithm. + private Consumer> cycleConsumer = null; + private BiConsumer cycleVertexSuccessorConsumer = null; // Paper + private V[] iToV = null; + private Map vToI = null; + private Set blocked = null; + private Map> bSets = null; + private ArrayDeque stack = null; + + // The state of the embedded Tarjan SCC algorithm. + private List> foundSCCs = null; + private int index = 0; + private Map vIndex = null; + private Map vLowlink = null; + private ArrayDeque path = null; + private Set pathSet = null; + + /** + * Create a simple cycle finder for the specified graph. + * + * @param graph - the DirectedGraph in which to find cycles. + * + * @throws IllegalArgumentException if the graph argument is + * null. + */ + public JohnsonSimpleCycles(Graph graph) + { + Preconditions.checkState(graph.isDirected(), "Graph must be directed"); + this.graph = graph; + } + + /** + * Find the simple cycles of the graph. + * + * @return The list of all simple cycles. Possibly empty but never null. + */ + public List> findAndRemoveSimpleCycles() + { + List> result = new ArrayList<>(); + findSimpleCycles(result::add, (v, s) -> ((MutableGraph) graph).removeEdge(v, s)); // Paper + return result; + } + + /** + * Find the simple cycles of the graph. + * + * @param consumer Consumer that will be called with each cycle found. + */ + public void findSimpleCycles(Consumer> consumer, BiConsumer vertexSuccessorConsumer) // Paper + { + if (graph == null) { + throw new IllegalArgumentException("Null graph."); + } + cycleVertexSuccessorConsumer = vertexSuccessorConsumer; // Paper + initState(consumer); + + int startIndex = 0; + int size = graph.nodes().size(); + while (startIndex < size) { + Pair, Integer> minSCCGResult = findMinSCSG(startIndex); + if (minSCCGResult != null) { + startIndex = minSCCGResult.getSecond(); + Graph scg = minSCCGResult.getFirst(); + V startV = toV(startIndex); + for (V v : scg.successors(startV)) { + blocked.remove(v); + getBSet(v).clear(); + } + findCyclesInSCG(startIndex, startIndex, scg); + startIndex++; + } else { + break; + } + } + + clearState(); + } + + private Pair, Integer> findMinSCSG(int startIndex) + { + /* + * Per Johnson : "adjacency structure of strong component $K$ with least vertex in subgraph + * of $G$ induced by $(s, s + 1, n)$". Or in contemporary terms: the strongly connected + * component of the subgraph induced by $(v_1, \dotso ,v_n)$ which contains the minimum + * (among those SCCs) vertex index. We return that index together with the graph. + */ + initMinSCGState(); + + List> foundSCCs = findSCCS(startIndex); + + // find the SCC with the minimum index + int minIndexFound = Integer.MAX_VALUE; + Set minSCC = null; + for (Set scc : foundSCCs) { + for (V v : scc) { + int t = toI(v); + if (t < minIndexFound) { + minIndexFound = t; + minSCC = scc; + } + } + } + if (minSCC == null) { + return null; + } + + // build a graph for the SCC found + MutableGraph dependencyGraph = GraphBuilder.directed().allowsSelfLoops(true).build(); + + for (V v : minSCC) { + for (V w : minSCC) { + if (graph.hasEdgeConnecting(v, w)) { + dependencyGraph.putEdge(v, w); + } + } + } + + Pair, Integer> result = Pair.of(dependencyGraph, minIndexFound); + clearMinSCCState(); + return result; + } + + private List> findSCCS(int startIndex) + { + // Find SCCs in the subgraph induced + // by vertices startIndex and beyond. + // A call to StrongConnectivityAlgorithm + // would be too expensive because of the + // need to materialize the subgraph. + // So - do a local search by the Tarjan's + // algorithm and pretend that vertices + // with an index smaller than startIndex + // do not exist. + for (V v : graph.nodes()) { + int vI = toI(v); + if (vI < startIndex) { + continue; + } + if (!vIndex.containsKey(v)) { + getSCCs(startIndex, vI); + } + } + List> result = foundSCCs; + foundSCCs = null; + return result; + } + + private void getSCCs(int startIndex, int vertexIndex) + { + V vertex = toV(vertexIndex); + vIndex.put(vertex, index); + vLowlink.put(vertex, index); + index++; + path.push(vertex); + pathSet.add(vertex); + + Set edges = graph.successors(vertex); + for (V successor : edges) { + int successorIndex = toI(successor); + if (successorIndex < startIndex) { + continue; + } + if (!vIndex.containsKey(successor)) { + getSCCs(startIndex, successorIndex); + vLowlink.put(vertex, Math.min(vLowlink.get(vertex), vLowlink.get(successor))); + } else if (pathSet.contains(successor)) { + vLowlink.put(vertex, Math.min(vLowlink.get(vertex), vIndex.get(successor))); + } + } + if (vLowlink.get(vertex).equals(vIndex.get(vertex))) { + Set result = new HashSet<>(); + V temp; + do { + temp = path.pop(); + pathSet.remove(temp); + result.add(temp); + } while (!vertex.equals(temp)); + if (result.size() == 1) { + V v = result.iterator().next(); + if (graph.edges().contains(vertex)) { + foundSCCs.add(result); + } + } else { + foundSCCs.add(result); + } + } + } + + private boolean findCyclesInSCG(int startIndex, int vertexIndex, Graph scg) + { + /* + * Find cycles in a strongly connected graph per Johnson. + */ + boolean foundCycle = false; + V vertex = toV(vertexIndex); + stack.push(vertex); + blocked.add(vertex); + + for (V successor : scg.successors(vertex)) { + int successorIndex = toI(successor); + if (successorIndex == startIndex) { + List cycle = new ArrayList<>(stack.size()); + stack.descendingIterator().forEachRemaining(cycle::add); + cycleConsumer.accept(cycle); + cycleVertexSuccessorConsumer.accept(vertex, successor); // Paper + //foundCycle = true; // Paper + } else if (!blocked.contains(successor)) { + boolean gotCycle = findCyclesInSCG(startIndex, successorIndex, scg); + foundCycle = foundCycle || gotCycle; + } + } + if (foundCycle) { + unblock(vertex); + } else { + for (V w : scg.successors(vertex)) { + Set bSet = getBSet(w); + bSet.add(vertex); + } + } + stack.pop(); + return foundCycle; + } + + private void unblock(V vertex) + { + blocked.remove(vertex); + Set bSet = getBSet(vertex); + while (bSet.size() > 0) { + V w = bSet.iterator().next(); + bSet.remove(w); + if (blocked.contains(w)) { + unblock(w); + } + } + } + + @SuppressWarnings("unchecked") + private void initState(Consumer> consumer) + { + cycleConsumer = consumer; + iToV = (V[]) graph.nodes().toArray(); + vToI = new HashMap<>(); + blocked = new HashSet<>(); + bSets = new HashMap<>(); + stack = new ArrayDeque<>(); + + for (int i = 0; i < iToV.length; i++) { + vToI.put(iToV[i], i); + } + } + + private void clearState() + { + cycleConsumer = null; + iToV = null; + vToI = null; + blocked = null; + bSets = null; + stack = null; + } + + private void initMinSCGState() + { + index = 0; + foundSCCs = new ArrayList<>(); + vIndex = new HashMap<>(); + vLowlink = new HashMap<>(); + path = new ArrayDeque<>(); + pathSet = new HashSet<>(); + } + + private void clearMinSCCState() + { + index = 0; + foundSCCs = null; + vIndex = null; + vLowlink = null; + path = null; + pathSet = null; + } + + private Integer toI(V vertex) + { + return vToI.get(vertex); + } + + private V toV(Integer i) + { + return iToV[i]; + } + + private Set getBSet(V v) + { + // B sets typically not all needed, + // so instantiate lazily. + return bSets.computeIfAbsent(v, k -> new HashSet<>()); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/LegacyPluginLoadingStrategy.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/LegacyPluginLoadingStrategy.java new file mode 100644 index 0000000000000000000000000000000000000000..f59f48654eaa299bcac862991b1e2e622264639b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/LegacyPluginLoadingStrategy.java @@ -0,0 +1,271 @@ +package io.papermc.paper.plugin.entrypoint.strategy; + +import com.google.common.graph.GraphBuilder; +import com.google.common.graph.MutableGraph; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import org.bukkit.plugin.UnknownDependencyException; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.logging.Level; +import java.util.logging.Logger; + +@SuppressWarnings("UnstableApiUsage") +public class LegacyPluginLoadingStrategy implements ProviderLoadingStrategy { + + private static final Logger LOGGER = Logger.getLogger("LegacyPluginLoadingStrategy"); + private final ProviderConfiguration configuration; + + public LegacyPluginLoadingStrategy(ProviderConfiguration onLoad) { + this.configuration = onLoad; + } + + @Override + public List> loadProviders(List> providers, MetaDependencyTree dependencyTree) { + List> javapluginsLoaded = new ArrayList<>(); + MutableGraph dependencyGraph = dependencyTree.getGraph(); + + Map> providersToLoad = new HashMap<>(); + Set loadedPlugins = new HashSet<>(); + Map pluginsProvided = new HashMap<>(); + Map> dependencies = new HashMap<>(); + Map> softDependencies = new HashMap<>(); + + for (PluginProvider provider : providers) { + PluginMeta configuration = provider.getMeta(); + + PluginProvider replacedProvider = providersToLoad.put(configuration.getName(), provider); + dependencyTree.addDirectDependency(configuration.getName()); // add to dependency tree + if (replacedProvider != null) { + LOGGER.severe(String.format( + "Ambiguous plugin name `%s' for files `%s' and `%s' in `%s'", + configuration.getName(), + provider.getSource(), + replacedProvider.getSource(), + replacedProvider.getParentSource() + )); + } + + String removedProvided = pluginsProvided.remove(configuration.getName()); + if (removedProvided != null) { + LOGGER.warning(String.format( + "Ambiguous plugin name `%s'. It is also provided by `%s'", + configuration.getName(), + removedProvided + )); + } + + for (String provided : configuration.getProvidedPlugins()) { + PluginProvider pluginProvider = providersToLoad.get(provided); + + if (pluginProvider != null) { + LOGGER.warning(String.format( + "`%s provides `%s' while this is also the name of `%s' in `%s'", + provider.getSource(), + provided, + pluginProvider.getSource(), + provider.getParentSource() + )); + } else { + String replacedPlugin = pluginsProvided.put(provided, configuration.getName()); + dependencyTree.addDirectDependency(provided); // add to dependency tree + if (replacedPlugin != null) { + LOGGER.warning(String.format( + "`%s' is provided by both `%s' and `%s'", + provided, + configuration.getName(), + replacedPlugin + )); + } + } + } + + Collection softDependencySet = provider.getMeta().getPluginSoftDependencies(); + if (softDependencySet != null && !softDependencySet.isEmpty()) { + if (softDependencies.containsKey(configuration.getName())) { + // Duplicates do not matter, they will be removed together if applicable + softDependencies.get(configuration.getName()).addAll(softDependencySet); + } else { + softDependencies.put(configuration.getName(), new LinkedList(softDependencySet)); + } + + for (String depend : softDependencySet) { + dependencyGraph.putEdge(configuration.getName(), depend); + } + } + + Collection dependencySet = provider.getMeta().getPluginDependencies(); + if (dependencySet != null && !dependencySet.isEmpty()) { + dependencies.put(configuration.getName(), new LinkedList(dependencySet)); + + for (String depend : dependencySet) { + dependencyGraph.putEdge(configuration.getName(), depend); + } + } + + Collection loadBeforeSet = provider.getMeta().getLoadBeforePlugins(); + if (loadBeforeSet != null && !loadBeforeSet.isEmpty()) { + for (String loadBeforeTarget : loadBeforeSet) { + if (softDependencies.containsKey(loadBeforeTarget)) { + softDependencies.get(loadBeforeTarget).add(configuration.getName()); + } else { + // softDependencies is never iterated, so 'ghost' plugins aren't an issue + Collection shortSoftDependency = new LinkedList(); + shortSoftDependency.add(configuration.getName()); + softDependencies.put(loadBeforeTarget, shortSoftDependency); + } + + dependencyGraph.putEdge(loadBeforeTarget, configuration.getName()); + } + } + } + + while (!providersToLoad.isEmpty()) { + boolean missingDependency = true; + Iterator>> providerIterator = providersToLoad.entrySet().iterator(); + + while (providerIterator.hasNext()) { + Map.Entry> entry = providerIterator.next(); + String providerIdentifier = entry.getKey(); + + if (dependencies.containsKey(providerIdentifier)) { + Iterator dependencyIterator = dependencies.get(providerIdentifier).iterator(); + final Set missingHardDependencies = new HashSet<>(dependencies.get(providerIdentifier).size()); // Paper - list all missing hard depends + + while (dependencyIterator.hasNext()) { + String dependency = dependencyIterator.next(); + + // Dependency loaded + if (loadedPlugins.contains(dependency)) { + dependencyIterator.remove(); + + // We have a dependency not found + } else if (!providersToLoad.containsKey(dependency) && !pluginsProvided.containsKey(dependency)) { + // Paper start + missingHardDependencies.add(dependency); + } + } + if (!missingHardDependencies.isEmpty()) { + // Paper end + missingDependency = false; + providerIterator.remove(); + pluginsProvided.values().removeIf(s -> s.equals(providerIdentifier)); // Paper - remove provided plugins + softDependencies.remove(providerIdentifier); + dependencies.remove(providerIdentifier); + + LOGGER.log( + Level.SEVERE, + "Could not load '" + entry.getValue().getSource() + "' in folder '" + entry.getValue().getParentSource() + "'", // Paper + new UnknownDependencyException(missingHardDependencies, providerIdentifier)); // Paper + } + + if (dependencies.containsKey(providerIdentifier) && dependencies.get(providerIdentifier).isEmpty()) { + dependencies.remove(providerIdentifier); + } + } + if (softDependencies.containsKey(providerIdentifier)) { + Iterator softDependencyIterator = softDependencies.get(providerIdentifier).iterator(); + + while (softDependencyIterator.hasNext()) { + String softDependency = softDependencyIterator.next(); + + // Soft depend is no longer around + if (!providersToLoad.containsKey(softDependency) && !pluginsProvided.containsKey(softDependency)) { + softDependencyIterator.remove(); + } + } + + if (softDependencies.get(providerIdentifier).isEmpty()) { + softDependencies.remove(providerIdentifier); + } + } + if (!(dependencies.containsKey(providerIdentifier) || softDependencies.containsKey(providerIdentifier)) && providersToLoad.containsKey(providerIdentifier)) { + // We're clear to load, no more soft or hard dependencies left + PluginProvider file = providersToLoad.get(providerIdentifier); + providerIterator.remove(); + pluginsProvided.values().removeIf(s -> s.equals(providerIdentifier)); // Paper - remove provided plugins + missingDependency = false; + + try { + this.configuration.applyContext(file, dependencyTree); + T loadedPlugin = file.createInstance(); + this.warnIfPaperPlugin(file); + + if (this.configuration.load(file, loadedPlugin)) { + loadedPlugins.add(file.getMeta().getName()); + loadedPlugins.addAll(file.getMeta().getProvidedPlugins()); + javapluginsLoaded.add(new ProviderPair<>(file, loadedPlugin)); + } + + } catch (Throwable ex) { + LOGGER.log(Level.SEVERE, "Could not load '" + file.getSource() + "' in folder '" + file.getParentSource() + "'", ex); // Paper + } + } + } + + if (missingDependency) { + // We now iterate over plugins until something loads + // This loop will ignore soft dependencies + providerIterator = providersToLoad.entrySet().iterator(); + + while (providerIterator.hasNext()) { + Map.Entry> entry = providerIterator.next(); + String plugin = entry.getKey(); + + if (!dependencies.containsKey(plugin)) { + softDependencies.remove(plugin); + missingDependency = false; + PluginProvider file = entry.getValue(); + providerIterator.remove(); + + try { + this.configuration.applyContext(file, dependencyTree); + T loadedPlugin = file.createInstance(); + this.warnIfPaperPlugin(file); + + if (this.configuration.load(file, loadedPlugin)) { + loadedPlugins.add(file.getMeta().getName()); + loadedPlugins.addAll(file.getMeta().getProvidedPlugins()); + javapluginsLoaded.add(new ProviderPair<>(file, loadedPlugin)); + } + break; + } catch (Throwable ex) { + LOGGER.log(Level.SEVERE, "Could not load '" + file.getSource() + "' in folder '" + file.getParentSource() + "'", ex); // Paper + } + } + } + // We have no plugins left without a depend + if (missingDependency) { + softDependencies.clear(); + dependencies.clear(); + Iterator> failedPluginIterator = providersToLoad.values().iterator(); + + while (failedPluginIterator.hasNext()) { + PluginProvider file = failedPluginIterator.next(); + failedPluginIterator.remove(); + LOGGER.log(Level.SEVERE, "Could not load '" + file.getSource() + "' in folder '" + file.getParentSource() + "': circular dependency detected"); // Paper + } + } + } + } + + return javapluginsLoaded; + } + + private void warnIfPaperPlugin(PluginProvider provider) { + if (provider instanceof PaperPluginParent.PaperServerPluginProvider) { + provider.getLogger().warn("Loading Paper plugin in the legacy plugin loading logic. This is not recommended and may introduce some differences into load order. It's highly recommended you move away from this if you are wanting to use Paper plugins."); + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/PluginGraphCycleException.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/PluginGraphCycleException.java new file mode 100644 index 0000000000000000000000000000000000000000..2ea978ac957849260e7ca69c9ff56588d0ccc41b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/PluginGraphCycleException.java @@ -0,0 +1,19 @@ +package io.papermc.paper.plugin.entrypoint.strategy; + +import java.util.List; + +/** + * Indicates a dependency cycle within a provider loading sequence. + */ +public class PluginGraphCycleException extends RuntimeException { + + private final List> cycles; + + public PluginGraphCycleException(List> cycles) { + this.cycles = cycles; + } + + public List> getCycles() { + return this.cycles; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderConfiguration.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..67c4ef672ee509deba2b4bcaac42d9db24d4c89a --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderConfiguration.java @@ -0,0 +1,25 @@ +package io.papermc.paper.plugin.entrypoint.strategy; + +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; + +/** + * Used to share code with the modern and legacy plugin load strategy. + * + * @param + */ +public interface ProviderConfiguration { + + void applyContext(PluginProvider provider, DependencyContext dependencyContext); + + boolean load(PluginProvider provider, T provided); + + default boolean preloadProvider(PluginProvider provider) { + return true; + } + + default void onGenericError(PluginProvider provider) { + + } + +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderLoadingStrategy.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderLoadingStrategy.java new file mode 100644 index 0000000000000000000000000000000000000000..a79eb9e2c8c42ecf823aecbd859576415e9981dc --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/ProviderLoadingStrategy.java @@ -0,0 +1,22 @@ +package io.papermc.paper.plugin.entrypoint.strategy; + +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.PluginProvider; + +import java.util.List; + +/** + * Used by a {@link io.papermc.paper.plugin.storage.SimpleProviderStorage} to load plugin providers in a certain order. + *

+ * Returns providers loaded. + * + * @param

provider type + */ +public interface ProviderLoadingStrategy

{ + + List> loadProviders(List> providers, MetaDependencyTree dependencyTree); + + record ProviderPair

(PluginProvider

provider, P provided) { + + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/TopographicGraphSorter.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/TopographicGraphSorter.java new file mode 100644 index 0000000000000000000000000000000000000000..52a110044611c8a0ace6d49549e8acc16cbbe83d --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/TopographicGraphSorter.java @@ -0,0 +1,58 @@ +package io.papermc.paper.plugin.entrypoint.strategy; + +import com.google.common.graph.Graph; +import it.unimi.dsi.fastutil.objects.Object2IntMap; +import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap; +import java.util.ArrayDeque; +import java.util.ArrayList; +import java.util.Deque; +import java.util.List; + +public final class TopographicGraphSorter { + + // Topographically sort dependencies + public static List sortGraph(Graph graph) throws PluginGraphCycleException { + List sorted = new ArrayList<>(); + Deque roots = new ArrayDeque<>(); + Object2IntMap nonRoots = new Object2IntOpenHashMap<>(); + + for (N node : graph.nodes()) { + // Is a node being referred to by any other nodes? + int degree = graph.inDegree(node); + if (degree == 0) { + // Is a root + roots.add(node); + } else { + // Isn't a root, the number represents how many nodes connect to it. + nonRoots.put(node, degree); + } + } + + // Pick from nodes that aren't referred to anywhere else + N next; + while ((next = roots.poll()) != null) { + for (N successor : graph.successors(next)) { + // Traverse through, moving down a degree + int newInDegree = nonRoots.removeInt(successor) - 1; + + if (newInDegree == 0) { + roots.add(successor); + } else { + nonRoots.put(successor, newInDegree); + } + + } + sorted.add(next); + } + + if (!nonRoots.isEmpty()) { + throw new GraphCycleException(); + } + + return sorted; + } + + public static final class GraphCycleException extends RuntimeException { + + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/LoadOrderTree.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/LoadOrderTree.java new file mode 100644 index 0000000000000000000000000000000000000000..e3f01ec40a704acb46f7ac31d500e9d0185e3db9 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/LoadOrderTree.java @@ -0,0 +1,121 @@ +package io.papermc.paper.plugin.entrypoint.strategy.modern; + +import com.google.common.collect.Lists; +import com.google.common.graph.MutableGraph; +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.strategy.JohnsonSimpleCycles; +import io.papermc.paper.plugin.entrypoint.strategy.PluginGraphCycleException; +import io.papermc.paper.plugin.entrypoint.strategy.TopographicGraphSorter; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider; +import org.slf4j.Logger; + +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +class LoadOrderTree { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + + private final Map> providerMap; + private final MutableGraph graph; + + public LoadOrderTree(Map> providerMapMirror, MutableGraph graph) { + this.providerMap = providerMapMirror; + this.graph = graph; + } + + public void add(PluginProvider provider) { + LoadOrderConfiguration configuration = provider.createConfiguration(this.providerMap); + + // Build a validated provider's load order changes + String identifier = configuration.getMeta().getName(); + for (String dependency : configuration.getLoadAfter()) { + if (this.providerMap.containsKey(dependency)) { + this.graph.putEdge(identifier, dependency); + } + } + + for (String loadBeforeTarget : configuration.getLoadBefore()) { + if (this.providerMap.containsKey(loadBeforeTarget)) { + this.graph.putEdge(loadBeforeTarget, identifier); + } + } + + this.graph.addNode(identifier); // Make sure load order has at least one node + } + + public List getLoadOrder() throws PluginGraphCycleException { + List reversedTopographicSort; + try { + reversedTopographicSort = Lists.reverse(TopographicGraphSorter.sortGraph(this.graph)); + } catch (TopographicGraphSorter.GraphCycleException exception) { + List> cycles = new JohnsonSimpleCycles<>(this.graph).findAndRemoveSimpleCycles(); + + // Only log an error if at least non-Spigot plugin is present in the cycle + // Due to Spigot plugin metadata making no distinction between load order and dependencies (= class loader access), cycles are an unfortunate reality we have to deal with + Set cyclingPlugins = new HashSet<>(); + cycles.forEach(cyclingPlugins::addAll); + if (cyclingPlugins.stream().anyMatch(plugin -> { + PluginProvider pluginProvider = this.providerMap.get(plugin); + return pluginProvider != null && !(pluginProvider instanceof SpigotPluginProvider); + })) { + logCycleError(cycles, this.providerMap); + } + + // Try again after hopefully having removed all cycles + try { + reversedTopographicSort = Lists.reverse(TopographicGraphSorter.sortGraph(this.graph)); + } catch (TopographicGraphSorter.GraphCycleException e) { + throw new PluginGraphCycleException(cycles); + } + } + + return reversedTopographicSort; + } + + private void logCycleError(List> cycles, Map> providerMapMirror) { + LOGGER.error("================================="); + LOGGER.error("Circular plugin loading detected:"); + for (int i = 0; i < cycles.size(); i++) { + List cycle = cycles.get(i); + LOGGER.error("{}) {} -> {}", i + 1, String.join(" -> ", cycle), cycle.get(0)); + for (String pluginName : cycle) { + PluginProvider pluginProvider = providerMapMirror.get(pluginName); + if (pluginProvider == null) { + return; + } + + logPluginInfo(pluginProvider.getMeta()); + } + } + + LOGGER.error("Please report this to the plugin authors of the first plugin of each loop or join the PaperMC Discord server for further help."); + LOGGER.error("================================="); + } + + private void logPluginInfo(PluginMeta meta) { + if (!meta.getLoadBeforePlugins().isEmpty()) { + LOGGER.error(" {} loadbefore: {}", meta.getName(), meta.getLoadBeforePlugins()); + } + + if (meta instanceof PaperPluginMeta paperPluginMeta) { + if (!paperPluginMeta.getLoadAfterPlugins().isEmpty()) { + LOGGER.error(" {} loadafter: {}", meta.getName(), paperPluginMeta.getLoadAfterPlugins()); + } + } else { + List dependencies = new ArrayList<>(); + dependencies.addAll(meta.getPluginDependencies()); + dependencies.addAll(meta.getPluginSoftDependencies()); + if (!dependencies.isEmpty()) { + LOGGER.error(" {} depend/softdepend: {}", meta.getName(), dependencies); + } + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/ModernPluginLoadingStrategy.java b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/ModernPluginLoadingStrategy.java new file mode 100644 index 0000000000000000000000000000000000000000..9af388a8e56806ab44f8c3ef4f97086ce38ef3b4 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/entrypoint/strategy/modern/ModernPluginLoadingStrategy.java @@ -0,0 +1,138 @@ +package io.papermc.paper.plugin.entrypoint.strategy.modern; + +import com.google.common.collect.Maps; +import com.google.common.graph.GraphBuilder; +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderLoadingStrategy; +import io.papermc.paper.plugin.provider.PluginProvider; +import org.bukkit.plugin.UnknownDependencyException; +import org.slf4j.Logger; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; + +@SuppressWarnings("UnstableApiUsage") +public class ModernPluginLoadingStrategy implements ProviderLoadingStrategy { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + private final ProviderConfiguration configuration; + + public ModernPluginLoadingStrategy(ProviderConfiguration onLoad) { + this.configuration = onLoad; + } + + @Override + public List> loadProviders(List> pluginProviders, MetaDependencyTree dependencyTree) { + Map> providerMap = new HashMap<>(); + Map> providerMapMirror = Maps.transformValues(providerMap, (entry) -> entry.provider); + List> validatedProviders = new ArrayList<>(); + + // Populate provider map + for (PluginProvider provider : pluginProviders) { + PluginMeta providerConfig = provider.getMeta(); + PluginProviderEntry entry = new PluginProviderEntry<>(provider); + + PluginProviderEntry replacedProvider = providerMap.put(providerConfig.getName(), entry); + if (replacedProvider != null) { + LOGGER.error(String.format( + "Ambiguous plugin name '%s' for files '%s' and '%s' in '%s'", + providerConfig.getName(), + provider.getSource(), + replacedProvider.provider.getSource(), + replacedProvider.provider.getParentSource() + )); + this.configuration.onGenericError(replacedProvider.provider); + } + + for (String extra : providerConfig.getProvidedPlugins()) { + PluginProviderEntry replacedExtraProvider = providerMap.putIfAbsent(extra, entry); + if (replacedExtraProvider != null) { + LOGGER.warn(String.format( + "`%s' is provided by both `%s' and `%s'", + extra, + providerConfig.getName(), + replacedExtraProvider.provider.getMeta().getName() + )); + } + } + } + + // Populate dependency tree + for (PluginProvider validated : pluginProviders) { + dependencyTree.add(validated); + } + + // Validate providers, ensuring all of them have valid dependencies. Removing those who are invalid + for (PluginProvider provider : pluginProviders) { + PluginMeta configuration = provider.getMeta(); + + // Populate missing dependencies to capture if there are multiple missing ones. + List missingDependencies = provider.validateDependencies(dependencyTree); + + if (missingDependencies.isEmpty()) { + validatedProviders.add(provider); + } else { + LOGGER.error("Could not load '%s' in '%s'".formatted(provider.getSource(), provider.getParentSource()), new UnknownDependencyException(missingDependencies, configuration.getName())); // Paper + // Because the validator is invalid, remove it from the provider map + providerMap.remove(configuration.getName()); + // Cleanup plugins that failed to load + dependencyTree.remove(provider); + this.configuration.onGenericError(provider); + } + } + + LoadOrderTree loadOrderTree = new LoadOrderTree(providerMapMirror, GraphBuilder.directed().build()); + // Populate load order tree + for (PluginProvider validated : validatedProviders) { + loadOrderTree.add(validated); + } + + // Reverse the topographic search to let us see which providers we can load first. + List reversedTopographicSort = loadOrderTree.getLoadOrder(); + List> loadedPlugins = new ArrayList<>(); + for (String providerIdentifier : reversedTopographicSort) { + // It's possible that this will be null because the above dependencies for soft/load before aren't validated if they exist. + // The graph could be MutableGraph>, but we would have to check if each dependency exists there... just + // nicer to do it here TBH. + PluginProviderEntry retrievedProviderEntry = providerMap.get(providerIdentifier); + if (retrievedProviderEntry == null || retrievedProviderEntry.provided) { + // OR if this was already provided (most likely from a plugin that already "provides" that dependency) + // This won't matter since the provided plugin is loaded as a dependency, meaning it should have been loaded correctly anyways + continue; // Skip provider that doesn't exist.... + } + retrievedProviderEntry.provided = true; + PluginProvider retrievedProvider = retrievedProviderEntry.provider; + try { + this.configuration.applyContext(retrievedProvider, dependencyTree); + + if (this.configuration.preloadProvider(retrievedProvider)) { + T instance = retrievedProvider.createInstance(); + if (this.configuration.load(retrievedProvider, instance)) { + loadedPlugins.add(new ProviderPair<>(retrievedProvider, instance)); + } + } + } catch (Throwable ex) { + LOGGER.error("Could not load plugin '%s' in folder '%s'".formatted(retrievedProvider.getFileName(), retrievedProvider.getParentSource()), ex); // Paper + } + } + + return loadedPlugins; + } + + private static class PluginProviderEntry { + + private final PluginProvider provider; + private boolean provided; + + private PluginProviderEntry(PluginProvider provider) { + this.provider = provider; + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/loader/PaperClasspathBuilder.java b/src/main/java/io/papermc/paper/plugin/loader/PaperClasspathBuilder.java new file mode 100644 index 0000000000000000000000000000000000000000..f38ecd7f65dc24e4a3f0bc675e3730287ac353f1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/loader/PaperClasspathBuilder.java @@ -0,0 +1,64 @@ +package io.papermc.paper.plugin.loader; + +import io.papermc.paper.plugin.bootstrap.PluginProviderContext; +import io.papermc.paper.plugin.loader.library.ClassPathLibrary; +import io.papermc.paper.plugin.loader.library.PaperLibraryStore; +import io.papermc.paper.plugin.entrypoint.classloader.PaperPluginClassLoader; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import org.jetbrains.annotations.NotNull; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLClassLoader; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; +import java.util.jar.JarFile; +import java.util.logging.Logger; + +public class PaperClasspathBuilder implements PluginClasspathBuilder { + + private final List libraries = new ArrayList<>(); + + private final PluginProviderContext context; + + public PaperClasspathBuilder(PluginProviderContext context) { + this.context = context; + } + + @Override + public @NotNull PluginProviderContext getContext() { + return this.context; + } + + @Override + public @NotNull PluginClasspathBuilder addLibrary(@NotNull ClassPathLibrary classPathLibrary) { + this.libraries.add(classPathLibrary); + return this; + } + + public PaperPluginClassLoader buildClassLoader(Logger logger, Path source, JarFile jarFile, PaperPluginMeta configuration) { + PaperLibraryStore paperLibraryStore = new PaperLibraryStore(); + for (ClassPathLibrary library : this.libraries) { + library.register(paperLibraryStore); + } + + List paths = paperLibraryStore.getPaths(); + URL[] urls = new URL[paths.size()]; + for (int i = 0; i < paths.size(); i++) { + Path path = paperLibraryStore.getPaths().get(i); + try { + urls[i] = path.toUri().toURL(); + } catch (MalformedURLException e) { + throw new AssertionError(e); + } + } + + try { + return new PaperPluginClassLoader(logger, source, jarFile, configuration, this.getClass().getClassLoader(), new URLClassLoader(urls, getClass().getClassLoader())); + } catch (IOException exception) { + throw new RuntimeException(exception); + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/loader/library/PaperLibraryStore.java b/src/main/java/io/papermc/paper/plugin/loader/library/PaperLibraryStore.java new file mode 100644 index 0000000000000000000000000000000000000000..5fcce65009f715d46dd3013f1f92ec8393d66e15 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/loader/library/PaperLibraryStore.java @@ -0,0 +1,21 @@ +package io.papermc.paper.plugin.loader.library; + +import org.jetbrains.annotations.NotNull; + +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; + +public class PaperLibraryStore implements LibraryStore { + + private final List paths = new ArrayList<>(); + + @Override + public void addLibrary(@NotNull Path library) { + this.paths.add(library); + } + + public List getPaths() { + return this.paths; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/DummyBukkitPluginLoader.java b/src/main/java/io/papermc/paper/plugin/manager/DummyBukkitPluginLoader.java new file mode 100644 index 0000000000000000000000000000000000000000..aef19b44075a3b2e8696315baa89117dd8ebb513 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/DummyBukkitPluginLoader.java @@ -0,0 +1,82 @@ +package io.papermc.paper.plugin.manager; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.type.PluginFileType; +import org.bukkit.Bukkit; +import org.bukkit.event.Event; +import org.bukkit.event.Listener; +import org.bukkit.plugin.InvalidDescriptionException; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.PluginLoader; +import org.bukkit.plugin.RegisteredListener; +import org.bukkit.plugin.UnknownDependencyException; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.NotNull; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.util.Map; +import java.util.Set; +import java.util.jar.JarFile; +import java.util.regex.Pattern; + +/** + * A purely internal type that implements the now deprecated {@link PluginLoader} after the implementation + * of papers new plugin system. + */ +@ApiStatus.Internal +public class DummyBukkitPluginLoader implements PluginLoader { + + private static final Pattern[] PATTERNS = new Pattern[0]; + + @Override + public @NotNull Plugin loadPlugin(@NotNull File file) throws InvalidPluginException, UnknownDependencyException { + try { + return PaperPluginManagerImpl.getInstance().loadPlugin(file); + } catch (InvalidDescriptionException e) { + throw new InvalidPluginException(e); + } + } + + @Override + public @NotNull PluginDescriptionFile getPluginDescription(@NotNull File file) throws InvalidDescriptionException { + try (JarFile jar = new JarFile(file)) { + PluginFileType type = PluginFileType.guessType(jar); + if (type == null) { + throw new InvalidDescriptionException(new FileNotFoundException("Jar does not contain plugin.yml")); + } + + PluginMeta meta = type.getConfig(jar); + if (meta instanceof PluginDescriptionFile pluginDescriptionFile) { + return pluginDescriptionFile; + } else { + throw new InvalidDescriptionException("Plugin type does not use plugin.yml. Cannot read file description."); + } + } catch (Exception e) { + throw new InvalidDescriptionException(e); + } + } + + @Override + public @NotNull Pattern[] getPluginFileFilters() { + return PATTERNS; + } + + @Override + public @NotNull Map, Set> createRegisteredListeners(@NotNull Listener listener, @NotNull Plugin plugin) { + return PaperPluginManagerImpl.getInstance().paperEventManager.createRegisteredListeners(listener, plugin); + } + + @Override + public void enablePlugin(@NotNull Plugin plugin) { + Bukkit.getPluginManager().enablePlugin(plugin); + } + + @Override + public void disablePlugin(@NotNull Plugin plugin) { + Bukkit.getPluginManager().disablePlugin(plugin); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/MultiRuntimePluginProviderStorage.java b/src/main/java/io/papermc/paper/plugin/manager/MultiRuntimePluginProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..49bcce79139797649c775af65c7310c149611a56 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/MultiRuntimePluginProviderStorage.java @@ -0,0 +1,61 @@ +package io.papermc.paper.plugin.manager; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import io.papermc.paper.plugin.storage.ServerPluginProviderStorage; +import org.bukkit.plugin.java.JavaPlugin; +import org.slf4j.Logger; + +import java.util.ArrayList; +import java.util.List; + +public class MultiRuntimePluginProviderStorage extends ServerPluginProviderStorage { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + private final List provided = new ArrayList<>(); + + private final MetaDependencyTree dependencyTree; + + MultiRuntimePluginProviderStorage(MetaDependencyTree dependencyTree) { + this.dependencyTree = dependencyTree; + } + + @Override + public void register(PluginProvider provider) { + if (provider instanceof PaperPluginParent.PaperServerPluginProvider) { + LOGGER.warn("Skipping loading of paper plugin requested from SimplePluginManager."); + return; + } + super.register(provider); + /* + Register the provider into the server entrypoint, this allows it to show in /plugins correctly. Generally it might be better in the future to make a separate storage, + as putting it into the entrypoint handlers doesn't make much sense. + */ + LaunchEntryPointHandler.INSTANCE.register(Entrypoint.PLUGIN, provider); + } + + @Override + public void processProvided(PluginProvider provider, JavaPlugin provided) { + super.processProvided(provider, provided); + this.provided.add(provided); + } + + @Override + public boolean throwOnCycle() { + return false; + } + + public List getLoaded() { + return this.provided; + } + + @Override + public MetaDependencyTree getDependencyTree() { + return this.dependencyTree; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/NormalPaperPermissionManager.java b/src/main/java/io/papermc/paper/plugin/manager/NormalPaperPermissionManager.java new file mode 100644 index 0000000000000000000000000000000000000000..6f6aaab295018017565ba27d6958a1f5c7b69bc8 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/NormalPaperPermissionManager.java @@ -0,0 +1,43 @@ +package io.papermc.paper.plugin.manager; + +import org.bukkit.permissions.Permissible; +import org.bukkit.permissions.Permission; + +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.LinkedHashSet; +import java.util.Map; +import java.util.Set; + +class NormalPaperPermissionManager extends PaperPermissionManager { + + private final Map permissions = new HashMap<>(); + private final Map> defaultPerms = new LinkedHashMap<>(); + private final Map> permSubs = new HashMap<>(); + private final Map> defSubs = new HashMap<>(); + + public NormalPaperPermissionManager() { + this.defaultPerms().put(true, new LinkedHashSet<>()); + this.defaultPerms().put(false, new LinkedHashSet<>()); + } + + @Override + public Map permissions() { + return this.permissions; + } + + @Override + public Map> defaultPerms() { + return this.defaultPerms; + } + + @Override + public Map> permSubs() { + return this.permSubs; + } + + @Override + public Map> defSubs() { + return this.defSubs; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java new file mode 100644 index 0000000000000000000000000000000000000000..7ce9ebba8ce304d1f3f21d4f15ee5f3560d7700b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java @@ -0,0 +1,194 @@ +package io.papermc.paper.plugin.manager; + +import co.aikar.timings.TimedEventExecutor; +import com.destroystokyo.paper.event.server.ServerExceptionEvent; +import com.destroystokyo.paper.exception.ServerEventException; +import com.google.common.collect.Sets; +import org.bukkit.Server; +import org.bukkit.Warning; +import org.bukkit.event.Event; +import org.bukkit.event.EventHandler; +import org.bukkit.event.EventPriority; +import org.bukkit.event.HandlerList; +import org.bukkit.event.Listener; +import org.bukkit.plugin.AuthorNagException; +import org.bukkit.plugin.EventExecutor; +import org.bukkit.plugin.IllegalPluginAccessException; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.RegisteredListener; +import org.jetbrains.annotations.NotNull; + +import java.lang.reflect.Method; +import java.util.Arrays; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import java.util.logging.Level; + +class PaperEventManager { + + private final Server server; + + public PaperEventManager(Server server) { + this.server = server; + } + + // SimplePluginManager + public void callEvent(@NotNull Event event) { + if (event.isAsynchronous() && this.server.isPrimaryThread()) { + throw new IllegalStateException(event.getEventName() + " may only be triggered asynchronously."); + } else if (!event.isAsynchronous() && !this.server.isPrimaryThread() && !this.server.isStopping()) { + throw new IllegalStateException(event.getEventName() + " may only be triggered synchronously."); + } + + HandlerList handlers = event.getHandlers(); + RegisteredListener[] listeners = handlers.getRegisteredListeners(); + + for (RegisteredListener registration : listeners) { + if (!registration.getPlugin().isEnabled()) { + continue; + } + + try { + registration.callEvent(event); + } catch (AuthorNagException ex) { + Plugin plugin = registration.getPlugin(); + + if (plugin.isNaggable()) { + plugin.setNaggable(false); + + this.server.getLogger().log(Level.SEVERE, String.format( + "Nag author(s): '%s' of '%s' about the following: %s", + plugin.getPluginMeta().getAuthors(), + plugin.getPluginMeta().getDisplayName(), + ex.getMessage() + )); + } + } catch (Throwable ex) { + String msg = "Could not pass event " + event.getEventName() + " to " + registration.getPlugin().getPluginMeta().getDisplayName(); + this.server.getLogger().log(Level.SEVERE, msg, ex); + if (!(event instanceof ServerExceptionEvent)) { // We don't want to cause an endless event loop + this.callEvent(new ServerExceptionEvent(new ServerEventException(msg, ex, registration.getPlugin(), registration.getListener(), event))); + } + } + } + } + + public void registerEvents(@NotNull Listener listener, @NotNull Plugin plugin) { + if (!plugin.isEnabled()) { + throw new IllegalPluginAccessException("Plugin attempted to register " + listener + " while not enabled"); + } + + for (Map.Entry, Set> entry : this.createRegisteredListeners(listener, plugin).entrySet()) { + this.getEventListeners(this.getRegistrationClass(entry.getKey())).registerAll(entry.getValue()); + } + + } + + public void registerEvent(@NotNull Class event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin) { + this.registerEvent(event, listener, priority, executor, plugin, false); + } + + public void registerEvent(@NotNull Class event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled) { + if (!plugin.isEnabled()) { + throw new IllegalPluginAccessException("Plugin attempted to register " + event + " while not enabled"); + } + + executor = new TimedEventExecutor(executor, plugin, null, event); + this.getEventListeners(event).register(new RegisteredListener(listener, executor, priority, plugin, ignoreCancelled)); + } + + @NotNull + private HandlerList getEventListeners(@NotNull Class type) { + try { + Method method = this.getRegistrationClass(type).getDeclaredMethod("getHandlerList"); + method.setAccessible(true); + return (HandlerList) method.invoke(null); + } catch (Exception e) { + throw new IllegalPluginAccessException(e.toString()); + } + } + + @NotNull + private Class getRegistrationClass(@NotNull Class clazz) { + try { + clazz.getDeclaredMethod("getHandlerList"); + return clazz; + } catch (NoSuchMethodException e) { + if (clazz.getSuperclass() != null + && !clazz.getSuperclass().equals(Event.class) + && Event.class.isAssignableFrom(clazz.getSuperclass())) { + return this.getRegistrationClass(clazz.getSuperclass().asSubclass(Event.class)); + } else { + throw new IllegalPluginAccessException("Unable to find handler list for event " + clazz.getName() + ". Static getHandlerList method required!"); + } + } + } + + // JavaPluginLoader + @NotNull + public Map, Set> createRegisteredListeners(@NotNull Listener listener, @NotNull final Plugin plugin) { + Map, Set> ret = new HashMap<>(); + + Set methods; + try { + Class listenerClazz = listener.getClass(); + methods = Sets.union( + Set.of(listenerClazz.getMethods()), + Set.of(listenerClazz.getDeclaredMethods()) + ); + } catch (NoClassDefFoundError e) { + plugin.getLogger().severe("Failed to register events for " + listener.getClass() + " because " + e.getMessage() + " does not exist."); + return ret; + } + + for (final Method method : methods) { + final EventHandler eh = method.getAnnotation(EventHandler.class); + if (eh == null) continue; + // Do not register bridge or synthetic methods to avoid event duplication + // Fixes SPIGOT-893 + if (method.isBridge() || method.isSynthetic()) { + continue; + } + final Class checkClass; + if (method.getParameterTypes().length != 1 || !Event.class.isAssignableFrom(checkClass = method.getParameterTypes()[0])) { + plugin.getLogger().severe(plugin.getPluginMeta().getDisplayName() + " attempted to register an invalid EventHandler method signature \"" + method.toGenericString() + "\" in " + listener.getClass()); + continue; + } + final Class eventClass = checkClass.asSubclass(Event.class); + method.setAccessible(true); + Set eventSet = ret.computeIfAbsent(eventClass, k -> new HashSet<>()); + + for (Class clazz = eventClass; Event.class.isAssignableFrom(clazz); clazz = clazz.getSuperclass()) { + // This loop checks for extending deprecated events + if (clazz.getAnnotation(Deprecated.class) != null) { + Warning warning = clazz.getAnnotation(Warning.class); + Warning.WarningState warningState = this.server.getWarningState(); + if (!warningState.printFor(warning)) { + break; + } + plugin.getLogger().log( + Level.WARNING, + String.format( + "\"%s\" has registered a listener for %s on method \"%s\", but the event is Deprecated. \"%s\"; please notify the authors %s.", + plugin.getPluginMeta().getDisplayName(), + clazz.getName(), + method.toGenericString(), + (warning != null && warning.reason().length() != 0) ? warning.reason() : "Server performance will be affected", + Arrays.toString(plugin.getPluginMeta().getAuthors().toArray())), + warningState == Warning.WarningState.ON ? new AuthorNagException(null) : null); + break; + } + } + + EventExecutor executor = new TimedEventExecutor(EventExecutor.create(method, eventClass), plugin, method, eventClass); + eventSet.add(new RegisteredListener(listener, executor, eh.priority(), plugin, eh.ignoreCancelled())); + } + return ret; + } + + public void clearEvents() { + HandlerList.unregisterAll(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPermissionManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPermissionManager.java new file mode 100644 index 0000000000000000000000000000000000000000..92a69677f21b2c1c035119d8e5a6af63fa19b801 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPermissionManager.java @@ -0,0 +1,201 @@ +package io.papermc.paper.plugin.manager; + +import com.google.common.collect.ImmutableSet; +import io.papermc.paper.plugin.PermissionManager; +import org.bukkit.permissions.Permissible; +import org.bukkit.permissions.Permission; +import org.bukkit.permissions.PermissionDefault; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +import java.util.HashSet; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.Set; +import java.util.WeakHashMap; + +/** + * See + * {@link StupidSPMPermissionManagerWrapper} + */ +abstract class PaperPermissionManager implements PermissionManager { + + public abstract Map permissions(); + + public abstract Map> defaultPerms(); + + public abstract Map> permSubs(); + + public abstract Map> defSubs(); + + @Override + @Nullable + public Permission getPermission(@NotNull String name) { + return this.permissions().get(name.toLowerCase(java.util.Locale.ENGLISH)); + } + + @Override + public void addPermission(@NotNull Permission perm) { + this.addPermission(perm, true); + } + + @Override + public void addPermissions(@NotNull List permissions) { + for (Permission permission : permissions) { + this.addPermission(permission, false); + } + this.dirtyPermissibles(); + } + + // Allow suppressing permission default calculations + private void addPermission(@NotNull Permission perm, boolean dirty) { + String name = perm.getName().toLowerCase(java.util.Locale.ENGLISH); + + if (this.permissions().containsKey(name)) { + throw new IllegalArgumentException("The permission " + name + " is already defined!"); + } + + this.permissions().put(name, perm); + this.calculatePermissionDefault(perm, dirty); + } + + @Override + @NotNull + public Set getDefaultPermissions(boolean op) { + return ImmutableSet.copyOf(this.defaultPerms().get(op)); + } + + + @Override + public void removePermission(@NotNull Permission perm) { + this.removePermission(perm.getName()); + } + + + @Override + public void removePermission(@NotNull String name) { + this.permissions().remove(name.toLowerCase(java.util.Locale.ENGLISH)); + } + + @Override + public void recalculatePermissionDefaults(@NotNull Permission perm) { + // we need a null check here because some plugins for some unknown reason pass null into this? + if (perm != null && this.permissions().containsKey(perm.getName().toLowerCase(Locale.ENGLISH))) { + this.defaultPerms().get(true).remove(perm); + this.defaultPerms().get(false).remove(perm); + + this.calculatePermissionDefault(perm, true); + } + } + + private void calculatePermissionDefault(@NotNull Permission perm, boolean dirty) { + if ((perm.getDefault() == PermissionDefault.OP) || (perm.getDefault() == PermissionDefault.TRUE)) { + this.defaultPerms().get(true).add(perm); + if (dirty) { + this.dirtyPermissibles(true); + } + } + if ((perm.getDefault() == PermissionDefault.NOT_OP) || (perm.getDefault() == PermissionDefault.TRUE)) { + this.defaultPerms().get(false).add(perm); + if (dirty) { + this.dirtyPermissibles(false); + } + } + } + + + @Override + public void subscribeToPermission(@NotNull String permission, @NotNull Permissible permissible) { + String name = permission.toLowerCase(java.util.Locale.ENGLISH); + Map map = this.permSubs().computeIfAbsent(name, k -> new WeakHashMap<>()); + + map.put(permissible, true); + } + + @Override + public void unsubscribeFromPermission(@NotNull String permission, @NotNull Permissible permissible) { + String name = permission.toLowerCase(java.util.Locale.ENGLISH); + Map map = this.permSubs().get(name); + + if (map != null) { + map.remove(permissible); + + if (map.isEmpty()) { + this.permSubs().remove(name); + } + } + } + + @Override + @NotNull + public Set getPermissionSubscriptions(@NotNull String permission) { + String name = permission.toLowerCase(java.util.Locale.ENGLISH); + Map map = this.permSubs().get(name); + + if (map == null) { + return ImmutableSet.of(); + } else { + return ImmutableSet.copyOf(map.keySet()); + } + } + + @Override + public void subscribeToDefaultPerms(boolean op, @NotNull Permissible permissible) { + Map map = this.defSubs().computeIfAbsent(op, k -> new WeakHashMap<>()); + + map.put(permissible, true); + } + + @Override + public void unsubscribeFromDefaultPerms(boolean op, @NotNull Permissible permissible) { + Map map = this.defSubs().get(op); + + if (map != null) { + map.remove(permissible); + + if (map.isEmpty()) { + this.defSubs().remove(op); + } + } + } + + @Override + @NotNull + public Set getDefaultPermSubscriptions(boolean op) { + Map map = this.defSubs().get(op); + + if (map == null) { + return ImmutableSet.of(); + } else { + return ImmutableSet.copyOf(map.keySet()); + } + } + + @Override + @NotNull + public Set getPermissions() { + return new HashSet<>(this.permissions().values()); + } + + @Override + public void clearPermissions() { + this.permissions().clear(); + this.defaultPerms().get(true).clear(); + this.defaultPerms().get(false).clear(); + } + + + void dirtyPermissibles(boolean op) { + Set permissibles = this.getDefaultPermSubscriptions(op); + + for (Permissible p : permissibles) { + p.recalculatePermissions(); + } + } + + void dirtyPermissibles() { + this.dirtyPermissibles(true); + this.dirtyPermissibles(false); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java new file mode 100644 index 0000000000000000000000000000000000000000..9c7552968b8c017c71a7a77557a66a03ed89f125 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginInstanceManager.java @@ -0,0 +1,301 @@ +package io.papermc.paper.plugin.manager; + +import com.google.common.base.Preconditions; +import com.google.common.graph.GraphBuilder; +import com.google.common.graph.MutableGraph; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.entrypoint.strategy.PluginGraphCycleException; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; +import io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage; +import io.papermc.paper.plugin.provider.source.DirectoryProviderSource; +import io.papermc.paper.plugin.provider.source.FileProviderSource; +import org.bukkit.Bukkit; +import org.bukkit.Server; +import org.bukkit.World; +import org.bukkit.command.Command; +import org.bukkit.command.CommandMap; +import org.bukkit.command.PluginCommandYamlParser; +import org.bukkit.craftbukkit.util.CraftMagicNumbers; +import org.bukkit.event.HandlerList; +import org.bukkit.event.server.PluginDisableEvent; +import org.bukkit.event.server.PluginEnableEvent; +import org.bukkit.plugin.InvalidDescriptionException; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.PluginManager; +import org.bukkit.plugin.UnknownDependencyException; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; +import org.spongepowered.configurate.serialize.SerializationException; + +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.logging.Level; + +@SuppressWarnings("UnstableApiUsage") +class PaperPluginInstanceManager { + + private static final FileProviderSource FILE_PROVIDER_SOURCE = new FileProviderSource("File '%s'"::formatted); + private static final DirectoryProviderSource DIRECTORY_PROVIDER_SOURCE = new DirectoryProviderSource(); + + private final List plugins = new ArrayList<>(); + private final Map lookupNames = new HashMap<>(); + + private final PluginManager pluginManager; + private final CommandMap commandMap; + private final Server server; + + private final MetaDependencyTree dependencyTree = new MetaDependencyTree(GraphBuilder.directed().build()); + + public PaperPluginInstanceManager(PluginManager pluginManager, CommandMap commandMap, Server server) { + this.commandMap = commandMap; + this.server = server; + this.pluginManager = pluginManager; + } + + public @Nullable Plugin getPlugin(@NotNull String name) { + return this.lookupNames.get(name.replace(' ', '_').toLowerCase(java.util.Locale.ENGLISH)); // Paper + } + + public @NotNull Plugin[] getPlugins() { + return this.plugins.toArray(new Plugin[0]); + } + + public boolean isPluginEnabled(@NotNull String name) { + Plugin plugin = this.getPlugin(name); + + return this.isPluginEnabled(plugin); + } + + public synchronized boolean isPluginEnabled(@Nullable Plugin plugin) { + if ((plugin != null) && (this.plugins.contains(plugin))) { + return plugin.isEnabled(); + } else { + return false; + } + } + + public void loadPlugin(Plugin provided) { + PluginMeta configuration = provided.getPluginMeta(); + + this.plugins.add(provided); + this.lookupNames.put(configuration.getName().toLowerCase(java.util.Locale.ENGLISH), provided); + for (String providedPlugin : configuration.getProvidedPlugins()) { + this.lookupNames.putIfAbsent(providedPlugin.toLowerCase(java.util.Locale.ENGLISH), provided); + } + + this.dependencyTree.add(configuration); + } + + // InvalidDescriptionException is never used, because the old JavaPluginLoader would wrap the exception. + public @Nullable Plugin loadPlugin(@NotNull Path path) throws InvalidPluginException, UnknownDependencyException { + RuntimePluginEntrypointHandler runtimePluginEntrypointHandler = new RuntimePluginEntrypointHandler<>(new SingularRuntimePluginProviderStorage(this.dependencyTree)); + + try { + FILE_PROVIDER_SOURCE.registerProviders(runtimePluginEntrypointHandler, path); + } catch (IllegalArgumentException exception) { + return null; // Return null when the plugin file is not valid / plugin type is unknown + } catch (PluginGraphCycleException exception) { + throw new InvalidPluginException("Cannot import plugin that causes cyclic dependencies!"); + } catch (SerializationException | + InvalidDescriptionException ex) { // The spigot implementation wraps it in an invalid plugin exception + throw new InvalidPluginException(ex); + } catch (Exception e) { + throw new InvalidPluginException(e); + } + + try { + runtimePluginEntrypointHandler.enter(Entrypoint.PLUGIN); + } catch (Throwable e) { + throw new InvalidPluginException(e); + } + + return runtimePluginEntrypointHandler.getPluginProviderStorage().getSingleLoaded() + .orElseThrow(() -> new InvalidPluginException("Plugin didn't load any plugin providers?")); + } + + // The behavior of this is that all errors are logged instead of being thrown + public @NotNull Plugin[] loadPlugins(@NotNull Path directory) { + Preconditions.checkArgument(Files.isDirectory(directory), "Directory must be a directory"); // Avoid creating a directory if it doesn't exist + + RuntimePluginEntrypointHandler runtimePluginEntrypointHandler = new RuntimePluginEntrypointHandler<>(new MultiRuntimePluginProviderStorage(this.dependencyTree)); + try { + DIRECTORY_PROVIDER_SOURCE.registerProviders(runtimePluginEntrypointHandler, directory); + runtimePluginEntrypointHandler.enter(Entrypoint.PLUGIN); + } catch (Exception e) { + // This should never happen, any errors that occur in this provider should instead be logged. + this.server.getLogger().log(Level.SEVERE, "Unknown error occurred while loading plugins through PluginManager.", e); + } + + return runtimePluginEntrypointHandler.getPluginProviderStorage().getLoaded().toArray(new JavaPlugin[0]); + } + + // Plugins are disabled in order like this inorder to "rougly" prevent + // their dependencies unloading first. But, eh. + public void disablePlugins() { + Plugin[] plugins = this.getPlugins(); + for (int i = plugins.length - 1; i >= 0; i--) { + this.disablePlugin(plugins[i]); + } + } + + public void clearPlugins() { + synchronized (this) { + this.disablePlugins(); + this.plugins.clear(); + this.lookupNames.clear(); + } + } + + public synchronized void enablePlugin(@NotNull Plugin plugin) { + if (plugin.isEnabled()) { + return; + } + + if (plugin.getPluginMeta() instanceof PluginDescriptionFile) { + List bukkitCommands = PluginCommandYamlParser.parse(plugin); + + if (!bukkitCommands.isEmpty()) { + this.commandMap.registerAll(plugin.getPluginMeta().getName(), bukkitCommands); + } + } + + try { + String enableMsg = "Enabling " + plugin.getPluginMeta().getDisplayName(); + if (plugin.getPluginMeta() instanceof PluginDescriptionFile descriptionFile && CraftMagicNumbers.isLegacy(descriptionFile)) { + enableMsg += "*"; + } + plugin.getLogger().info(enableMsg); + + JavaPlugin jPlugin = (JavaPlugin) plugin; + + if (jPlugin.getClass().getClassLoader() instanceof ConfiguredPluginClassLoader classLoader) { // Paper + if (PaperClassLoaderStorage.instance().registerUnsafePlugin(classLoader)) { + this.server.getLogger().log(Level.WARNING, "Enabled plugin with unregistered ConfiguredPluginClassLoader " + plugin.getPluginMeta().getDisplayName()); + } + } // Paper + + try { + jPlugin.setEnabled(true); + } catch (Throwable ex) { + this.server.getLogger().log(Level.SEVERE, "Error occurred while enabling " + plugin.getPluginMeta().getDisplayName() + " (Is it up to date?)", ex); + // Paper start - Disable plugins that fail to load + this.server.getPluginManager().disablePlugin(jPlugin); + return; + // Paper end + } + + // Perhaps abort here, rather than continue going, but as it stands, + // an abort is not possible the way it's currently written + this.server.getPluginManager().callEvent(new PluginEnableEvent(plugin)); + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while enabling " + + plugin.getPluginMeta().getDisplayName() + " (Is it up to date?)", ex, plugin); + } + + HandlerList.bakeAll(); + } + + public synchronized void disablePlugin(@NotNull Plugin plugin) { + if (!(plugin instanceof JavaPlugin javaPlugin)) { + throw new IllegalArgumentException("Only expects java plugins."); + } + if (!plugin.isEnabled()) { + return; + } + + String pluginName = plugin.getPluginMeta().getDisplayName(); + + try { + plugin.getLogger().info("Disabling %s".formatted(pluginName)); + + this.server.getPluginManager().callEvent(new PluginDisableEvent(plugin)); + + javaPlugin.setEnabled(false); + + ClassLoader classLoader = plugin.getClass().getClassLoader(); + if (classLoader instanceof ConfiguredPluginClassLoader configuredPluginClassLoader) { + try { + configuredPluginClassLoader.close(); + } catch (IOException ex) { + this.server.getLogger().log(Level.WARNING, "Error closing the classloader for '" + pluginName + "'", ex); // Paper - log exception + } + // Remove from the classloader pool inorder to prevent plugins from trying + // to access classes + PaperClassLoaderStorage.instance().unregisterClassloader(configuredPluginClassLoader); + } + + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while disabling " + + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + try { + this.server.getScheduler().cancelTasks(plugin); + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while cancelling tasks for " + + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + try { + this.server.getServicesManager().unregisterAll(plugin); + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while unregistering services for " + + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + try { + HandlerList.unregisterAll(plugin); + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while unregistering events for " + + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + try { + this.server.getMessenger().unregisterIncomingPluginChannel(plugin); + this.server.getMessenger().unregisterOutgoingPluginChannel(plugin); + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while unregistering plugin channels for " + + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + try { + for (World world : this.server.getWorlds()) { + world.removePluginChunkTickets(plugin); + } + } catch (Throwable ex) { + this.handlePluginException("Error occurred (in the plugin loader) while removing chunk tickets for " + pluginName + " (Is it up to date?)", ex, plugin); // Paper + } + + } + + // TODO: Implement event part in future patch (paper patch move up, this patch is lower) + private void handlePluginException(String msg, Throwable ex, Plugin plugin) { + Bukkit.getServer().getLogger().log(Level.SEVERE, msg, ex); + this.pluginManager.callEvent(new com.destroystokyo.paper.event.server.ServerExceptionEvent(new com.destroystokyo.paper.exception.ServerPluginEnableDisableException(msg, ex, plugin))); + } + + public boolean isTransitiveDepend(@NotNull PluginMeta plugin, @NotNull PluginMeta depend) { + return this.dependencyTree.isTransitiveDependency(plugin, depend); + } + + public boolean hasDependency(String pluginIdentifier) { + return this.getPlugin(pluginIdentifier) != null; + } + + // Debug only + @ApiStatus.Internal + public MutableGraph getDependencyGraph() { + return this.dependencyTree.getGraph(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java new file mode 100644 index 0000000000000000000000000000000000000000..dab211c458311869c61779305580a1c7da830f71 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/PaperPluginManagerImpl.java @@ -0,0 +1,241 @@ +package io.papermc.paper.plugin.manager; + +import com.google.common.graph.MutableGraph; +import io.papermc.paper.plugin.PermissionManager; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import org.bukkit.Bukkit; +import org.bukkit.Server; +import org.bukkit.command.CommandMap; +import org.bukkit.craftbukkit.CraftServer; +import org.bukkit.event.Event; +import org.bukkit.event.EventPriority; +import org.bukkit.event.Listener; +import org.bukkit.permissions.Permissible; +import org.bukkit.permissions.Permission; +import org.bukkit.plugin.EventExecutor; +import org.bukkit.plugin.InvalidDescriptionException; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.PluginLoader; +import org.bukkit.plugin.PluginManager; +import org.bukkit.plugin.SimplePluginManager; +import org.bukkit.plugin.UnknownDependencyException; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +import java.io.File; +import java.util.List; +import java.util.Set; + +public class PaperPluginManagerImpl implements PluginManager, DependencyContext { + + final PaperPluginInstanceManager instanceManager; + final PaperEventManager paperEventManager; + PermissionManager permissionManager; + + public PaperPluginManagerImpl(Server server, CommandMap commandMap, @Nullable SimplePluginManager permissionManager) { + this.instanceManager = new PaperPluginInstanceManager(this, commandMap, server); + this.paperEventManager = new PaperEventManager(server); + + if (permissionManager == null) { + this.permissionManager = new NormalPaperPermissionManager(); + } else { + this.permissionManager = new StupidSPMPermissionManagerWrapper(permissionManager); // TODO: See comment when SimplePermissionManager is removed + } + } + + // REMOVE THIS WHEN SimplePluginManager is removed. + // Just cast and use Bukkit.getServer().getPluginManager() + public static PaperPluginManagerImpl getInstance() { + return ((CraftServer) (Bukkit.getServer())).paperPluginManager; + } + + // Plugin Manipulation + + @Override + public @Nullable Plugin getPlugin(@NotNull String name) { + return this.instanceManager.getPlugin(name); + } + + @Override + public @NotNull Plugin[] getPlugins() { + return this.instanceManager.getPlugins(); + } + + @Override + public boolean isPluginEnabled(@NotNull String name) { + return this.instanceManager.isPluginEnabled(name); + } + + @Override + public boolean isPluginEnabled(@Nullable Plugin plugin) { + return this.instanceManager.isPluginEnabled(plugin); + } + + public void loadPlugin(Plugin plugin) { + this.instanceManager.loadPlugin(plugin); + } + + @Override + public @Nullable Plugin loadPlugin(@NotNull File file) throws InvalidPluginException, InvalidDescriptionException, UnknownDependencyException { + return this.instanceManager.loadPlugin(file.toPath()); + } + + @Override + public @NotNull Plugin[] loadPlugins(@NotNull File directory) { + return this.instanceManager.loadPlugins(directory.toPath()); + } + + @Override + public void disablePlugins() { + this.instanceManager.disablePlugins(); + } + + @Override + public synchronized void clearPlugins() { + this.instanceManager.clearPlugins(); + this.permissionManager.clearPermissions(); + this.paperEventManager.clearEvents(); + } + + @Override + public void enablePlugin(@NotNull Plugin plugin) { + this.instanceManager.enablePlugin(plugin); + } + + @Override + public void disablePlugin(@NotNull Plugin plugin) { + this.instanceManager.disablePlugin(plugin); + } + + @Override + public boolean isTransitiveDependency(PluginMeta pluginMeta, PluginMeta dependencyConfig) { + return this.instanceManager.isTransitiveDepend(pluginMeta, dependencyConfig); + } + + @Override + public boolean hasDependency(String pluginIdentifier) { + return this.instanceManager.hasDependency(pluginIdentifier); + } + + // Event manipulation + + @Override + public void callEvent(@NotNull Event event) throws IllegalStateException { + this.paperEventManager.callEvent(event); + } + + @Override + public void registerEvents(@NotNull Listener listener, @NotNull Plugin plugin) { + this.paperEventManager.registerEvents(listener, plugin); + } + + @Override + public void registerEvent(@NotNull Class event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin) { + this.paperEventManager.registerEvent(event, listener, priority, executor, plugin); + } + + @Override + public void registerEvent(@NotNull Class event, @NotNull Listener listener, @NotNull EventPriority priority, @NotNull EventExecutor executor, @NotNull Plugin plugin, boolean ignoreCancelled) { + this.paperEventManager.registerEvent(event, listener, priority, executor, plugin, ignoreCancelled); + } + + // Permission manipulation + + @Override + public @Nullable Permission getPermission(@NotNull String name) { + return this.permissionManager.getPermission(name); + } + + @Override + public void addPermission(@NotNull Permission perm) { + this.permissionManager.addPermission(perm); + } + + @Override + public void removePermission(@NotNull Permission perm) { + this.permissionManager.removePermission(perm); + } + + @Override + public void removePermission(@NotNull String name) { + this.permissionManager.removePermission(name); + } + + @Override + public @NotNull Set getDefaultPermissions(boolean op) { + return this.permissionManager.getDefaultPermissions(op); + } + + @Override + public void recalculatePermissionDefaults(@NotNull Permission perm) { + this.permissionManager.recalculatePermissionDefaults(perm); + } + + @Override + public void subscribeToPermission(@NotNull String permission, @NotNull Permissible permissible) { + this.permissionManager.subscribeToPermission(permission, permissible); + } + + @Override + public void unsubscribeFromPermission(@NotNull String permission, @NotNull Permissible permissible) { + this.permissionManager.unsubscribeFromPermission(permission, permissible); + } + + @Override + public @NotNull Set getPermissionSubscriptions(@NotNull String permission) { + return this.permissionManager.getPermissionSubscriptions(permission); + } + + @Override + public void subscribeToDefaultPerms(boolean op, @NotNull Permissible permissible) { + this.permissionManager.subscribeToDefaultPerms(op, permissible); + } + + @Override + public void unsubscribeFromDefaultPerms(boolean op, @NotNull Permissible permissible) { + this.permissionManager.unsubscribeFromDefaultPerms(op, permissible); + } + + @Override + public @NotNull Set getDefaultPermSubscriptions(boolean op) { + return this.permissionManager.getDefaultPermSubscriptions(op); + } + + @Override + public @NotNull Set getPermissions() { + return this.permissionManager.getPermissions(); + } + + @Override + public void addPermissions(@NotNull List perm) { + this.permissionManager.addPermissions(perm); + } + + @Override + public void clearPermissions() { + this.permissionManager.clearPermissions(); + } + + @Override + public void overridePermissionManager(@NotNull Plugin plugin, @Nullable PermissionManager permissionManager) { + this.permissionManager = permissionManager; + } + + // Etc + + @Override + public boolean useTimings() { + return co.aikar.timings.Timings.isTimingsEnabled(); + } + + @Override + public void registerInterface(@NotNull Class loader) throws IllegalArgumentException { + throw new UnsupportedOperationException(); + } + + public MutableGraph getInstanceManagerGraph() { + return instanceManager.getDependencyGraph(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/RuntimePluginEntrypointHandler.java b/src/main/java/io/papermc/paper/plugin/manager/RuntimePluginEntrypointHandler.java new file mode 100644 index 0000000000000000000000000000000000000000..5d50d1d312388e979c0e1cd53a6bf5977ca6e549 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/RuntimePluginEntrypointHandler.java @@ -0,0 +1,47 @@ +package io.papermc.paper.plugin.manager; + +import com.destroystokyo.paper.util.SneakyThrow; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.storage.ProviderStorage; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; + +/** + * Used for loading plugins during runtime, only supporting providers that are plugins. + * This is only used for the plugin manager, as it only allows plugins to be + * registered to a provider storage. + */ +class RuntimePluginEntrypointHandler> implements EntrypointHandler { + + private final T providerStorage; + + RuntimePluginEntrypointHandler(T providerStorage) { + this.providerStorage = providerStorage; + } + + @Override + public void register(Entrypoint entrypoint, PluginProvider provider) { + if (!entrypoint.equals(Entrypoint.PLUGIN)) { + SneakyThrow.sneaky(new InvalidPluginException("Plugin cannot register entrypoints other than PLUGIN during runtime. Tried registering %s!".formatted(entrypoint))); + // We have to throw an invalid plugin exception for legacy reasons + } + + this.providerStorage.register((PluginProvider) provider); + } + + @Override + public void enter(Entrypoint entrypoint) { + if (entrypoint != Entrypoint.PLUGIN) { + throw new IllegalArgumentException("Only plugin entrypoint supported"); + } + this.providerStorage.enter(); + } + + @NotNull + public T getPluginProviderStorage() { + return this.providerStorage; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/SingularRuntimePluginProviderStorage.java b/src/main/java/io/papermc/paper/plugin/manager/SingularRuntimePluginProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..3872f5a9287fc348d57812847ab18eb2d3e4b362 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/SingularRuntimePluginProviderStorage.java @@ -0,0 +1,79 @@ +package io.papermc.paper.plugin.manager; + +import com.destroystokyo.paper.util.SneakyThrow; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import io.papermc.paper.plugin.storage.ServerPluginProviderStorage; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.UnknownDependencyException; +import org.bukkit.plugin.java.JavaPlugin; + +import java.util.ArrayList; +import java.util.List; +import java.util.Optional; + +/** + * Used for registering a single plugin provider. + * This has special behavior in that some errors are thrown instead of logged. + */ +class SingularRuntimePluginProviderStorage extends ServerPluginProviderStorage { + + private final MetaDependencyTree dependencyTree; + private PluginProvider lastProvider; + private JavaPlugin singleLoaded; + + SingularRuntimePluginProviderStorage(MetaDependencyTree dependencyTree) { + this.dependencyTree = dependencyTree; + } + + @Override + public void register(PluginProvider provider) { + super.register(provider); + if (this.lastProvider != null) { + SneakyThrow.sneaky(new InvalidPluginException("Plugin registered two JavaPlugins")); + } + if (provider instanceof PaperPluginParent.PaperServerPluginProvider) { + throw new IllegalStateException("Cannot register paper plugins during runtime!"); + } + this.lastProvider = provider; + // Register the provider into the server entrypoint, this allows it to show in /plugins correctly. + // Generally it might be better in the future to make a separate storage, as putting it into the entrypoint handlers doesn't make much sense. + LaunchEntryPointHandler.INSTANCE.register(Entrypoint.PLUGIN, provider); + } + + @Override + public void enter() { + PluginProvider provider = this.lastProvider; + if (provider == null) { + return; + } + + // Go through normal plugin loading logic + super.enter(); + } + + @Override + public void processProvided(PluginProvider provider, JavaPlugin provided) { + super.processProvided(provider, provided); + this.singleLoaded = provided; + } + + @Override + public boolean throwOnCycle() { + return false; + } + + public Optional getSingleLoaded() { + return Optional.ofNullable(this.singleLoaded); + } + + @Override + public MetaDependencyTree getDependencyTree() { + return this.dependencyTree; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/manager/StupidSPMPermissionManagerWrapper.java b/src/main/java/io/papermc/paper/plugin/manager/StupidSPMPermissionManagerWrapper.java new file mode 100644 index 0000000000000000000000000000000000000000..ea8cf22c35242eb9f3914b95df00e20504aef5c1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/manager/StupidSPMPermissionManagerWrapper.java @@ -0,0 +1,42 @@ +package io.papermc.paper.plugin.manager; + +import org.bukkit.permissions.Permissible; +import org.bukkit.permissions.Permission; +import org.bukkit.plugin.SimplePluginManager; + +import java.util.Map; +import java.util.Set; + +/* +This is actually so cursed I hate it. +We need to wrap these in fields as people override the fields, so we need to access them lazily at all times. +// TODO: When SimplePluginManager is GONE remove this and cleanup the PaperPermissionManager to use actual fields. + */ +class StupidSPMPermissionManagerWrapper extends PaperPermissionManager { + + private final SimplePluginManager simplePluginManager; + + public StupidSPMPermissionManagerWrapper(SimplePluginManager simplePluginManager) { + this.simplePluginManager = simplePluginManager; + } + + @Override + public Map permissions() { + return this.simplePluginManager.permissions; + } + + @Override + public Map> defaultPerms() { + return this.simplePluginManager.defaultPerms; + } + + @Override + public Map> permSubs() { + return this.simplePluginManager.permSubs; + } + + @Override + public Map> defSubs() { + return this.simplePluginManager.defSubs; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/PluginProvider.java b/src/main/java/io/papermc/paper/plugin/provider/PluginProvider.java new file mode 100644 index 0000000000000000000000000000000000000000..fd9748c693a029c0d75f6ad813ea46a2b528d140 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/PluginProvider.java @@ -0,0 +1,56 @@ +package io.papermc.paper.plugin.provider; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.NotNull; + +import java.nio.file.Path; +import java.util.List; +import java.util.Map; +import java.util.jar.JarFile; + +/** + * PluginProviders are created by a {@link io.papermc.paper.plugin.provider.source.ProviderSource}, + * which is loaded into an {@link io.papermc.paper.plugin.entrypoint.EntrypointHandler}. + *

+ * A PluginProvider is responsible for providing part of a plugin, whether it's a Bootstrapper or Server Plugin. + * The point of this class is to be able to create the actual instance later, as at the time this is created the server + * may be missing some key parts. For example, the Bukkit singleton will not be initialized yet, therefor we need to + * have a PluginServerProvider load the server plugin later. + *

+ * Plugin providers are currently not exposed in any way of the api. It is preferred that this stays this way, + * as providers are only needed for initialization. + * + * @param provider type + */ +@ApiStatus.Internal +public interface PluginProvider { + + @NotNull + Path getSource(); + + default Path getFileName() { + return this.getSource().getFileName(); + } + + default Path getParentSource() { + return this.getSource().getParent(); + } + + JarFile file(); + + T createInstance(); + + PluginMeta getMeta(); + + ComponentLogger getLogger(); + + LoadOrderConfiguration createConfiguration(@NotNull Map> toLoad); + + // Returns a list of missing dependencies + List validateDependencies(@NotNull DependencyContext context); + +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/ProviderStatus.java b/src/main/java/io/papermc/paper/plugin/provider/ProviderStatus.java new file mode 100644 index 0000000000000000000000000000000000000000..6154e864b0ff01cb70acaaeee5ca8c9f4a90a90e --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/ProviderStatus.java @@ -0,0 +1,13 @@ +package io.papermc.paper.plugin.provider; + +import org.jetbrains.annotations.ApiStatus; + +/** + * This is used for the /plugins command, where it will look in the {@link io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler} and + * use the provider statuses to determine the color. + */ +@ApiStatus.Internal +public enum ProviderStatus { + INITIALIZED, + ERRORED, +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/ProviderStatusHolder.java b/src/main/java/io/papermc/paper/plugin/provider/ProviderStatusHolder.java new file mode 100644 index 0000000000000000000000000000000000000000..17284d0f61c459dff765c0adae4ad2c641e054c1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/ProviderStatusHolder.java @@ -0,0 +1,11 @@ +package io.papermc.paper.plugin.provider; + +/** + * This is used to mark that a plugin provider is able to hold a status for the /plugins command. + */ +public interface ProviderStatusHolder { + + ProviderStatus getLastProvidedStatus(); + + void setStatus(ProviderStatus status); +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/FlattenedResolver.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/FlattenedResolver.java new file mode 100644 index 0000000000000000000000000000000000000000..6ba3bcc468c0a60c76d6d0f0243bda661c737f2f --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/FlattenedResolver.java @@ -0,0 +1,29 @@ +package io.papermc.paper.plugin.provider.configuration; + +import org.checkerframework.checker.nullness.qual.Nullable; +import org.spongepowered.configurate.objectmapping.meta.NodeResolver; + +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; +import java.lang.reflect.AnnotatedElement; + +@Retention(RetentionPolicy.RUNTIME) +@Target(ElementType.FIELD) +public @interface FlattenedResolver { + + final class Factory implements NodeResolver.Factory { + + @Override + public @Nullable NodeResolver make(String name, AnnotatedElement element) { + if (element.isAnnotationPresent(FlattenedResolver.class)) { + return (node) -> node; + } else { + return null; + } + } + } + + +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/LegacyPaperMeta.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/LegacyPaperMeta.java new file mode 100644 index 0000000000000000000000000000000000000000..8cd649c977172f6b757d68565fcbb9eb8ae100a3 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/LegacyPaperMeta.java @@ -0,0 +1,147 @@ +package io.papermc.paper.plugin.provider.configuration; + +import com.google.gson.reflect.TypeToken; +import io.papermc.paper.plugin.provider.configuration.type.DependencyConfiguration; +import io.papermc.paper.plugin.provider.configuration.type.PluginDependencyLifeCycle; +import org.spongepowered.configurate.CommentedConfigurationNode; +import org.spongepowered.configurate.ConfigurateException; +import org.spongepowered.configurate.NodePath; +import org.spongepowered.configurate.objectmapping.ConfigSerializable; +import org.spongepowered.configurate.objectmapping.meta.Required; +import org.spongepowered.configurate.serialize.SerializationException; +import org.spongepowered.configurate.transformation.ConfigurationTransformation; + +import java.util.EnumMap; +import java.util.EnumSet; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Set; + +class LegacyPaperMeta { + + + private static final TypeToken>> TYPE_TOKEN = new TypeToken<>() { + }; + + public static void migrate(CommentedConfigurationNode node) throws ConfigurateException { + ConfigurationTransformation.chain(notVersioned()).apply(node); + } + + private static ConfigurationTransformation notVersioned() { + return ConfigurationTransformation.builder() + .addAction(NodePath.path(), (path, value) -> { + boolean bootstrapSubSection = value.hasChild("bootstrap"); + boolean serverSubSection = value.hasChild("server"); + + // Ignore if using newer format + if (bootstrapSubSection || serverSubSection) { + return null; + } + + // First collect all load before elements + LegacyConfiguration legacyConfiguration; + try { + legacyConfiguration = value.require(LegacyConfiguration.class); + } catch (SerializationException exception) { + // Ignore if not present + return null; + } + + Map> dependencies = new EnumMap<>(PluginDependencyLifeCycle.class); + dependencies.put(PluginDependencyLifeCycle.BOOTSTRAP, new HashMap<>()); + dependencies.put(PluginDependencyLifeCycle.SERVER, new HashMap<>()); + + Map>> dependencyConfigurationMap = new HashMap<>(); + dependencyConfigurationMap.put(PluginDependencyLifeCycle.BOOTSTRAP, new HashMap<>()); + dependencyConfigurationMap.put(PluginDependencyLifeCycle.SERVER, new HashMap<>()); + + // Migrate loadafter + for (LegacyLoadConfiguration legacyConfig : legacyConfiguration.loadAfter) { + Set dependencyFlags = dependencyConfigurationMap + .get(legacyConfig.bootstrap ? PluginDependencyLifeCycle.BOOTSTRAP : PluginDependencyLifeCycle.SERVER) + .computeIfAbsent(legacyConfig.name, s -> EnumSet.noneOf(DependencyFlag.class)); + + dependencyFlags.add(DependencyFlag.LOAD_AFTER); + } + + // Migrate loadbefore + for (LegacyLoadConfiguration legacyConfig : legacyConfiguration.loadBefore) { + Set dependencyFlags = dependencyConfigurationMap + .get(legacyConfig.bootstrap ? PluginDependencyLifeCycle.BOOTSTRAP : PluginDependencyLifeCycle.SERVER) + .computeIfAbsent(legacyConfig.name, s -> EnumSet.noneOf(DependencyFlag.class)); + + dependencyFlags.add(DependencyFlag.LOAD_BEFORE); + } + + // Migrate dependencies + for (LegacyDependencyConfiguration legacyConfig : legacyConfiguration.dependencies) { + Set dependencyFlags = dependencyConfigurationMap + .get(legacyConfig.bootstrap ? PluginDependencyLifeCycle.BOOTSTRAP : PluginDependencyLifeCycle.SERVER) + .computeIfAbsent(legacyConfig.name, s -> EnumSet.noneOf(DependencyFlag.class)); + + dependencyFlags.add(DependencyFlag.DEPENDENCY); + if (legacyConfig.required) { + dependencyFlags.add(DependencyFlag.REQUIRED); + } + } + for (Map.Entry>> legacyTypes : dependencyConfigurationMap.entrySet()) { + Map flagMap = dependencies.get(legacyTypes.getKey()); + for (Map.Entry> entry : legacyTypes.getValue().entrySet()) { + Set flags = entry.getValue(); + + + DependencyConfiguration.LoadOrder loadOrder = DependencyConfiguration.LoadOrder.OMIT; + // These meanings are now swapped + if (flags.contains(DependencyFlag.LOAD_BEFORE)) { + loadOrder = DependencyConfiguration.LoadOrder.AFTER; + } else if (flags.contains(DependencyFlag.LOAD_AFTER)) { + loadOrder = DependencyConfiguration.LoadOrder.BEFORE; + } + + flagMap.put(entry.getKey(), new DependencyConfiguration( + loadOrder, + flags.contains(DependencyFlag.REQUIRED), + flags.contains(DependencyFlag.DEPENDENCY) + )); + } + } + + value.node("dependencies").set(TYPE_TOKEN.getType(), dependencies); + return null; + }) + .build(); + } + + @ConfigSerializable + record LegacyLoadConfiguration( + @Required String name, + boolean bootstrap + ) { + } + + @ConfigSerializable + private static class LegacyConfiguration { + + private List loadAfter = List.of(); + private List loadBefore = List.of(); + private List dependencies = List.of(); + } + + + @ConfigSerializable + public record LegacyDependencyConfiguration( + @Required String name, + boolean required, + boolean bootstrap + ) { + } + + enum DependencyFlag { + LOAD_AFTER, + LOAD_BEFORE, + REQUIRED, + DEPENDENCY + } + +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/LoadOrderConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/LoadOrderConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..e3430f535e8e9c3b8b44bf2daece8c47e8b14db7 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/LoadOrderConfiguration.java @@ -0,0 +1,38 @@ +package io.papermc.paper.plugin.provider.configuration; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import org.jetbrains.annotations.NotNull; + +import java.util.List; + +/** + * This is used for plugins to configure the load order of strategies. + */ +public interface LoadOrderConfiguration { + + /** + * Provides a list of plugins that THIS configuration should load + * before. + * + * @return list of plugins + */ + @NotNull + List getLoadBefore(); + + /** + * Provides a list of plugins that THIS configuration should load + * before. + * + * @return list of plugins + */ + @NotNull + List getLoadAfter(); + + /** + * Gets the responsible plugin provider's meta. + * + * @return meta + */ + @NotNull + PluginMeta getMeta(); +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/PaperPluginMeta.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/PaperPluginMeta.java new file mode 100644 index 0000000000000000000000000000000000000000..45bd29b70782e29eb11c36eaca0f940aee49799b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/PaperPluginMeta.java @@ -0,0 +1,248 @@ +package io.papermc.paper.plugin.provider.configuration; + +import com.google.common.base.Preconditions; +import com.google.common.collect.ImmutableList; +import io.papermc.paper.configuration.constraint.Constraint; +import io.papermc.paper.configuration.serializer.ComponentSerializer; +import io.papermc.paper.configuration.serializer.EnumValueSerializer; +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.configuration.serializer.PermissionConfigurationSerializer; +import io.papermc.paper.plugin.provider.configuration.serializer.constraints.PluginConfigConstraints; +import io.papermc.paper.plugin.provider.configuration.type.DependencyConfiguration; +import io.papermc.paper.plugin.provider.configuration.type.PermissionConfiguration; +import io.papermc.paper.plugin.provider.configuration.type.PluginDependencyLifeCycle; +import org.bukkit.permissions.Permission; +import org.bukkit.permissions.PermissionDefault; +import org.bukkit.plugin.PluginLoadOrder; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; +import org.jetbrains.annotations.TestOnly; +import org.spongepowered.configurate.CommentedConfigurationNode; +import org.spongepowered.configurate.ConfigurateException; +import org.spongepowered.configurate.loader.HeaderMode; +import org.spongepowered.configurate.objectmapping.ConfigSerializable; +import org.spongepowered.configurate.objectmapping.ObjectMapper; +import org.spongepowered.configurate.objectmapping.meta.Required; +import org.spongepowered.configurate.yaml.NodeStyle; +import org.spongepowered.configurate.yaml.YamlConfigurationLoader; + +import java.io.BufferedReader; +import java.util.EnumMap; +import java.util.List; +import java.util.Map; + +@SuppressWarnings({"CanBeFinal", "FieldCanBeLocal", "FieldMayBeFinal", "NotNullFieldNotInitialized", "InnerClassMayBeStatic"}) +@ConfigSerializable +public class PaperPluginMeta implements PluginMeta { + + @PluginConfigConstraints.PluginName + @Required + private String name; + @Required + @PluginConfigConstraints.PluginNameSpace + private String main; + @PluginConfigConstraints.PluginNameSpace + private String bootstrapper; + @PluginConfigConstraints.PluginNameSpace + private String loader; + private List provides = List.of(); + private boolean hasOpenClassloader = false; + @Required + private String version; + private String description; + private List authors = List.of(); + private List contributors = List.of(); + private String website; + private String prefix; + private PluginLoadOrder load = PluginLoadOrder.POSTWORLD; + @FlattenedResolver + private PermissionConfiguration permissionConfiguration = new PermissionConfiguration(PermissionDefault.OP, List.of()); + @Required + @PluginConfigConstraints.PluginVersion + private String apiVersion; + + private Map> dependencies = new EnumMap<>(PluginDependencyLifeCycle.class); + + public PaperPluginMeta() { + } + + public static PaperPluginMeta create(BufferedReader reader) throws ConfigurateException { + YamlConfigurationLoader loader = YamlConfigurationLoader.builder() + .indent(2) + .nodeStyle(NodeStyle.BLOCK) + .headerMode(HeaderMode.NONE) + .source(() -> reader) + .defaultOptions((options) -> { + + return options.serializers((serializers) -> { + serializers + .register(new EnumValueSerializer()) + .register(PermissionConfiguration.class, PermissionConfigurationSerializer.SERIALIZER) + .register(new ComponentSerializer()) + .registerAnnotatedObjects( + ObjectMapper.factoryBuilder() + .addConstraint(Constraint.class, new Constraint.Factory()) + .addConstraint(PluginConfigConstraints.PluginName.class, String.class, new PluginConfigConstraints.PluginName.Factory()) + .addConstraint(PluginConfigConstraints.PluginVersion.class, String.class, new PluginConfigConstraints.PluginVersion.Factory()) + .addConstraint(PluginConfigConstraints.PluginNameSpace.class, String.class, new PluginConfigConstraints.PluginNameSpace.Factory()) + .addNodeResolver(new FlattenedResolver.Factory()) + .build() + ); + + }); + }) + .build(); + CommentedConfigurationNode node = loader.load(); + LegacyPaperMeta.migrate(node); + PaperPluginMeta pluginConfiguration = node.require(PaperPluginMeta.class); + + if (!node.node("author").virtual()) { + pluginConfiguration.authors = ImmutableList.builder() + .addAll(pluginConfiguration.authors) + .add(node.node("author").getString()) + .build(); + } + + return pluginConfiguration; + } + + @Override + public @NotNull String getName() { + return this.name; + } + + @TestOnly + public void setName(@NotNull String name) { + Preconditions.checkNotNull(name, "name"); + this.name = name; + } + + @Override + public @NotNull String getMainClass() { + return this.main; + } + + @Override + public @NotNull String getVersion() { + return this.version; + } + + @TestOnly + public void setVersion(@NotNull String version) { + Preconditions.checkNotNull(version, "version"); + this.version = version; + } + + @Override + public @Nullable String getLoggerPrefix() { + return this.prefix; + } + + @Override + public @NotNull List getPluginDependencies() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.SERVER, Map.of()) + .entrySet() + .stream() + .filter((entry) -> entry.getValue().required() && entry.getValue().joinClasspath()) + .map(Map.Entry::getKey) + .toList(); + } + + @Override + public @NotNull List getPluginSoftDependencies() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.SERVER, Map.of()) + .entrySet() + .stream() + .filter((entry) -> !entry.getValue().required() && entry.getValue().joinClasspath()) + .map(Map.Entry::getKey) + .toList(); + } + + @Override + public @NotNull List getLoadBeforePlugins() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.SERVER, Map.of()) + .entrySet() + .stream() + // This plugin will load BEFORE all dependencies (so dependencies will load AFTER plugin) + .filter((entry) -> entry.getValue().load() == DependencyConfiguration.LoadOrder.AFTER) + .map(Map.Entry::getKey) + .toList(); + } + + public @NotNull List getLoadAfterPlugins() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.SERVER, Map.of()) + .entrySet() + .stream() + // This plugin will load AFTER all dependencies (so dependencies will load BEFORE plugin) + .filter((entry) -> entry.getValue().load() == DependencyConfiguration.LoadOrder.BEFORE) + .map(Map.Entry::getKey) + .toList(); + } + + + public Map getServerDependencies() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.SERVER, Map.of()); + } + + public Map getBoostrapDependencies() { + return this.dependencies.getOrDefault(PluginDependencyLifeCycle.BOOTSTRAP, Map.of()); + } + + @Override + public @NotNull PluginLoadOrder getLoadOrder() { + return this.load; + } + + @Override + public @NotNull String getDescription() { + return this.description; + } + + @Override + public @NotNull List getAuthors() { + return this.authors; + } + + @Override + public @NotNull List getContributors() { + return this.contributors; + } + + @Override + public String getWebsite() { + return this.website; + } + + @Override + public @NotNull List getPermissions() { + return this.permissionConfiguration.permissions(); + } + + @Override + public @NotNull PermissionDefault getPermissionDefault() { + return this.permissionConfiguration.defaultPerm(); + } + + @Override + public @NotNull String getAPIVersion() { + return this.apiVersion; + } + + @Override + public @NotNull List getProvidedPlugins() { + return this.provides; + } + + public String getBootstrapper() { + return this.bootstrapper; + } + + public String getLoader() { + return this.loader; + } + + public boolean hasOpenClassloader() { + return this.hasOpenClassloader; + } + +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableCollectionSerializer.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableCollectionSerializer.java new file mode 100644 index 0000000000000000000000000000000000000000..f0cdb1bab30faaa438aa3e6de6125ade3fae98c2 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableCollectionSerializer.java @@ -0,0 +1,90 @@ +package io.papermc.paper.plugin.provider.configuration.serializer; + +import com.google.common.collect.ImmutableCollection; +import org.checkerframework.checker.nullness.qual.Nullable; +import org.spongepowered.configurate.ConfigurationNode; +import org.spongepowered.configurate.ConfigurationOptions; +import org.spongepowered.configurate.serialize.SerializationException; +import org.spongepowered.configurate.serialize.TypeSerializer; +import org.spongepowered.configurate.util.CheckedConsumer; + +import java.lang.reflect.Type; +import java.util.Collection; +import java.util.Collections; +import java.util.List; + +@SuppressWarnings("unchecked") +public abstract class ImmutableCollectionSerializer, T extends Collection> implements TypeSerializer { + + protected ImmutableCollectionSerializer() { + } + + @Override + public final T deserialize(final Type type, final ConfigurationNode node) throws SerializationException { + final Type entryType = this.elementType(type); + final @Nullable TypeSerializer entrySerial = node.options().serializers().get(entryType); + if (entrySerial == null) { + throw new SerializationException(node, entryType, "No applicable type serializer for type"); + } + + if (node.isList()) { + final List values = node.childrenList(); + final B builder = this.createNew(values.size()); + for (ConfigurationNode value : values) { + try { + this.deserializeSingle(builder, entrySerial.deserialize(entryType, value)); + } catch (final SerializationException ex) { + ex.initPath(value::path); + throw ex; + } + } + return (T) builder.build(); + } else { + final @Nullable Object unwrappedVal = node.raw(); + if (unwrappedVal != null) { + final B builder = this.createNew(1); + this.deserializeSingle(builder, entrySerial.deserialize(entryType, node)); + return (T) builder.build(); + } + } + return this.emptyValue(type, null); + } + + @SuppressWarnings({"unchecked", "rawtypes"}) + @Override + public final void serialize(final Type type, final @Nullable T obj, final ConfigurationNode node) throws SerializationException { + final Type entryType = this.elementType(type); + final @Nullable TypeSerializer entrySerial = node.options().serializers().get(entryType); + if (entrySerial == null) { + throw new SerializationException(node, entryType, "No applicable type serializer for type"); + } + + node.raw(Collections.emptyList()); + if (obj != null) { + this.forEachElement(obj, el -> { + final ConfigurationNode child = node.appendListNode(); + try { + entrySerial.serialize(entryType, el, child); + } catch (final SerializationException ex) { + ex.initPath(child::path); + throw ex; + } + }); + } + } + + @SuppressWarnings({"unchecked"}) + @Override + public @Nullable T emptyValue(final Type specificType, final ConfigurationOptions options) { + return (T) this.createNew(0).build(); + } + + protected abstract Type elementType(Type containerType) throws SerializationException; + + protected abstract B createNew(int size); + + protected abstract void forEachElement(T collection, CheckedConsumer action) throws SerializationException; + + protected abstract void deserializeSingle(B builder, @Nullable Object deserialized) throws SerializationException; + +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableListSerializer.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableListSerializer.java new file mode 100644 index 0000000000000000000000000000000000000000..7757d7df70e39a6fe4d92d02b6f905a22f80dbf3 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/ImmutableListSerializer.java @@ -0,0 +1,43 @@ +package io.papermc.paper.plugin.provider.configuration.serializer; + +import com.google.common.collect.ImmutableList; +import org.checkerframework.checker.nullness.qual.Nullable; +import org.spongepowered.configurate.serialize.SerializationException; +import org.spongepowered.configurate.util.CheckedConsumer; + +import java.lang.reflect.ParameterizedType; +import java.lang.reflect.Type; +import java.util.List; + +public class ImmutableListSerializer extends ImmutableCollectionSerializer, List> { + + @Override + protected Type elementType(Type containerType) throws SerializationException { + if (!(containerType instanceof ParameterizedType)) { + throw new SerializationException(containerType, "Raw types are not supported for collections"); + } + return ((ParameterizedType) containerType).getActualTypeArguments()[0]; + } + + @Override + protected ImmutableList.Builder createNew(int size) { + return ImmutableList.builderWithExpectedSize(size); + } + + @Override + protected void forEachElement(List collection, CheckedConsumer action) throws SerializationException { + for (Object obj : collection) { + action.accept(obj); + } + } + + @SuppressWarnings({"unchecked", "rawtypes"}) + @Override + protected void deserializeSingle(ImmutableList.Builder builder, @Nullable Object deserialized) throws SerializationException { + if (deserialized == null) { + return; + } + + ((ImmutableList.Builder) builder).add(deserialized); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/PermissionConfigurationSerializer.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/PermissionConfigurationSerializer.java new file mode 100644 index 0000000000000000000000000000000000000000..d1088e4b7fa5f8e689f23b150b83645ce1ae5a0e --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/PermissionConfigurationSerializer.java @@ -0,0 +1,56 @@ +package io.papermc.paper.plugin.provider.configuration.serializer; + +import io.papermc.paper.plugin.provider.configuration.type.PermissionConfiguration; +import org.bukkit.permissions.Permission; +import org.bukkit.permissions.PermissionDefault; +import org.spongepowered.configurate.ConfigurationNode; +import org.spongepowered.configurate.serialize.SerializationException; +import org.spongepowered.configurate.serialize.TypeSerializer; + +import java.lang.reflect.Type; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +public class PermissionConfigurationSerializer { + + public static final Serializer SERIALIZER = new Serializer(); + + private static final class Serializer implements TypeSerializer { + private Serializer() { + super(); + } + + @Override + public PermissionConfiguration deserialize(Type type, ConfigurationNode node) throws SerializationException { + Map map = (Map) node.node("permissions").raw(); + + PermissionDefault permissionDefault; + ConfigurationNode permNode = node.node("defaultPerm"); + if (permNode.virtual()) { + permissionDefault = PermissionDefault.OP; + } else { + permissionDefault = PermissionDefault.getByName(permNode.getString()); + } + + List result = new ArrayList<>(); + if (map != null) { + for (Map.Entry entry : map.entrySet()) { + try { + result.add(Permission.loadPermission(entry.getKey().toString(), (Map) entry.getValue(), permissionDefault, result)); + } catch (Throwable ex) { + throw new SerializationException(null, "Error loading permission %s".formatted(entry.getKey()), ex); + } + } + } + + return new PermissionConfiguration(permissionDefault, List.copyOf(result)); + } + + @Override + public void serialize(Type type, @org.checkerframework.checker.nullness.qual.Nullable PermissionConfiguration obj, ConfigurationNode node) throws SerializationException { + + } + + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/constraints/PluginConfigConstraints.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/constraints/PluginConfigConstraints.java new file mode 100644 index 0000000000000000000000000000000000000000..2e02f73b857c530a0cce3a8d6aae46e3b0966486 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/serializer/constraints/PluginConfigConstraints.java @@ -0,0 +1,86 @@ +package io.papermc.paper.plugin.provider.configuration.serializer.constraints; + +import io.papermc.paper.plugin.util.NamespaceChecker; +import org.spongepowered.configurate.objectmapping.meta.Constraint; +import org.spongepowered.configurate.serialize.SerializationException; + +import java.lang.annotation.Documented; +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; +import java.lang.reflect.Type; +import java.util.Locale; +import java.util.Set; +import java.util.regex.Pattern; + +public final class PluginConfigConstraints { + + public static final Set RESERVED_KEYS = Set.of("bukkit", "minecraft", "mojang", "spigot", "paper"); + public static final Set VALID_PAPER_VERSIONS = Set.of("1.19", "1.20"); + + @Documented + @Retention(RetentionPolicy.RUNTIME) + @Target(ElementType.FIELD) + public @interface PluginName { + + final class Factory implements Constraint.Factory { + + private static final Pattern VALID_NAME = Pattern.compile("^[A-Za-z\\d _.-]+$"); + + @Override + public Constraint make(PluginName data, Type type) { + return value -> { + if (value != null) { + if (RESERVED_KEYS.contains(value.toLowerCase(Locale.ROOT))) { + throw new SerializationException("Restricted name, cannot use '%s' as a plugin name.".formatted(data)); + } else if (value.indexOf(' ') != -1) { + // For legacy reasons, the space condition has a separate exception message. + throw new SerializationException("Restricted name, cannot use 0x20 (space character) in a plugin name."); + } + + if (!VALID_NAME.matcher(value).matches()) { + throw new SerializationException("name '" + value + "' contains invalid characters."); + } + } + }; + } + } + } + + @Documented + @Retention(RetentionPolicy.RUNTIME) + @Target(ElementType.FIELD) + public @interface PluginNameSpace { + + final class Factory implements Constraint.Factory { + + @Override + public Constraint make(PluginNameSpace data, Type type) { + return value -> { + if (value != null && !NamespaceChecker.isValidNameSpace(value)) { + throw new SerializationException("provided class '%s' is in an invalid namespace.".formatted(value)); + } + }; + } + } + } + + @Documented + @Retention(RetentionPolicy.RUNTIME) + @Target(ElementType.FIELD) + public @interface PluginVersion { + + final class Factory implements Constraint.Factory { + + @Override + public Constraint make(PluginVersion data, Type type) { + return value -> { + if (value != null && !VALID_PAPER_VERSIONS.contains(value)) { + throw new SerializationException("Provided plugin's version (%s) is not supported on this version.".formatted(value)); + } + }; + } + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/type/DependencyConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/DependencyConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..957fb5e60ba6bd8760e8f6016d7bb6e8a405e163 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/DependencyConfiguration.java @@ -0,0 +1,30 @@ +package io.papermc.paper.plugin.provider.configuration.type; + +import org.checkerframework.checker.nullness.qual.NonNull; +import org.checkerframework.framework.qual.DefaultQualifier; +import org.spongepowered.configurate.objectmapping.ConfigSerializable; + +import static java.util.Objects.requireNonNullElse; + +@DefaultQualifier(NonNull.class) +@ConfigSerializable +public record DependencyConfiguration( + LoadOrder load, + Boolean required, + Boolean joinClasspath +) { + @SuppressWarnings("DataFlowIssue") // incorrect intellij inspections + public DependencyConfiguration { + required = requireNonNullElse(required, true); + joinClasspath = requireNonNullElse(joinClasspath, true); + } + + @ConfigSerializable + public enum LoadOrder { + // dependency will now load BEFORE your plugin + BEFORE, + // the dependency will now load AFTER your plugin + AFTER, + OMIT + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/type/LoadConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/LoadConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..4184e4232c59f15ef8bbc98f82f501fc524f37c7 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/LoadConfiguration.java @@ -0,0 +1,11 @@ +package io.papermc.paper.plugin.provider.configuration.type; + +import org.spongepowered.configurate.objectmapping.ConfigSerializable; +import org.spongepowered.configurate.objectmapping.meta.Required; + +@ConfigSerializable +public record LoadConfiguration( + @Required String name, + boolean bootstrap +) { +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PermissionConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PermissionConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..a180612a1ec395202dbae1ca5b97ec01382097e4 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PermissionConfiguration.java @@ -0,0 +1,14 @@ +package io.papermc.paper.plugin.provider.configuration.type; + +import org.bukkit.permissions.Permission; +import org.bukkit.permissions.PermissionDefault; +import org.spongepowered.configurate.objectmapping.ConfigSerializable; + +import java.util.List; + +// Record components used for deserialization!!!! +@ConfigSerializable +public record PermissionConfiguration( + PermissionDefault defaultPerm, + List permissions) { +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PluginDependencyLifeCycle.java b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PluginDependencyLifeCycle.java new file mode 100644 index 0000000000000000000000000000000000000000..49a087381307eab263f7dad43aaa25980db33cc2 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/configuration/type/PluginDependencyLifeCycle.java @@ -0,0 +1,6 @@ +package io.papermc.paper.plugin.provider.configuration.type; + +public enum PluginDependencyLifeCycle { + BOOTSTRAP, + SERVER +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/source/DirectoryProviderSource.java b/src/main/java/io/papermc/paper/plugin/provider/source/DirectoryProviderSource.java new file mode 100644 index 0000000000000000000000000000000000000000..2f2e183cdee865448ca90d2da9e3db7135b741f5 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/source/DirectoryProviderSource.java @@ -0,0 +1,47 @@ +package io.papermc.paper.plugin.provider.source; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; +import org.slf4j.Logger; + +import java.nio.file.FileVisitOption; +import java.nio.file.Files; +import java.nio.file.Path; + +/** + * Loads all plugin providers in the given directory. + */ +public class DirectoryProviderSource extends FileProviderSource { + + public static final DirectoryProviderSource INSTANCE = new DirectoryProviderSource(); + private static final Logger LOGGER = LogUtils.getClassLogger(); + + public DirectoryProviderSource() { + super("Directory '%s'"::formatted); + } + + @Override + public void registerProviders(EntrypointHandler entrypointHandler, Path context) throws Exception { + // Sym link happy, create file if missing. + if (!Files.isDirectory(context)) { + Files.createDirectories(context); + } + + Files.walk(context, 1, FileVisitOption.FOLLOW_LINKS) + .filter(this::isValidFile) + .forEach((path) -> { + try { + super.registerProviders(entrypointHandler, path); + } catch (IllegalArgumentException ignored) { + // Ignore initial argument exceptions + } catch (Exception e) { + LOGGER.error("Error loading plugin: " + e.getMessage(), e); + } + }); + } + + public boolean isValidFile(Path path) { + // Avoid loading plugins that start with a dot + return Files.isRegularFile(path) && !path.startsWith("."); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java b/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java new file mode 100644 index 0000000000000000000000000000000000000000..c828eeb8b0b87ee7f3e76a4b0ee146c86348061c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/source/FileProviderSource.java @@ -0,0 +1,157 @@ +package io.papermc.paper.plugin.provider.source; + +import io.papermc.paper.plugin.PluginInitializerManager; +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; +import io.papermc.paper.plugin.provider.type.PluginFileType; +import org.bukkit.plugin.InvalidPluginException; +import org.jetbrains.annotations.Nullable; + +import java.io.File; +import java.io.IOException; +import java.nio.file.FileVisitResult; +import java.nio.file.FileVisitor; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.StandardCopyOption; +import java.nio.file.attribute.BasicFileAttributes; +import java.util.Set; +import java.util.function.Function; +import java.util.jar.JarFile; + +/** + * Loads a plugin provider at the given plugin jar file path. + */ +public class FileProviderSource implements ProviderSource { + + private final Function contextChecker; + + public FileProviderSource(Function contextChecker) { + this.contextChecker = contextChecker; + } + + @Override + public void registerProviders(EntrypointHandler entrypointHandler, Path context) throws Exception { + String source = this.contextChecker.apply(context); + + if (Files.notExists(context)) { + throw new IllegalArgumentException(source + " does not exist, cannot load a plugin from it!"); + } + + if (!Files.isRegularFile(context)) { + throw new IllegalArgumentException(source + " is not a file, cannot load a plugin from it!"); + } + + if (!context.getFileName().toString().endsWith(".jar")) { + throw new IllegalArgumentException(source + " is not a jar file, cannot load a plugin from it!"); + } + + try { + context = this.checkUpdate(context); + + JarFile file = new JarFile(context.toFile(), true, JarFile.OPEN_READ, JarFile.runtimeVersion()); + PluginFileType type = PluginFileType.guessType(file); + if (type == null) { + throw new IllegalArgumentException(source + " does not contain a " + String.join(" or ", PluginFileType.getConfigTypes()) + "! Could not determine plugin type, cannot load a plugin from it!"); + } + + type.register(entrypointHandler, file, context); + } catch (Exception exception) { + throw new RuntimeException(source + " failed to load!", exception); + } + } + + /** + * Replaces a plugin with a plugin of the same plugin name in the update folder. + * + * @param file + */ + private Path checkUpdate(Path file) throws Exception { + PluginInitializerManager pluginSystem = PluginInitializerManager.instance(); + Path updateDirectory = pluginSystem.pluginUpdatePath(); + if (updateDirectory == null || !Files.isDirectory(updateDirectory)) { + return file; + } + + try { + String pluginName = this.getPluginName(file); + UpdateFileVisitor visitor = new UpdateFileVisitor(pluginName); + Files.walkFileTree(updateDirectory, Set.of(), 1, visitor); + if (visitor.getValidPlugin() != null) { + Path updateLocation = visitor.getValidPlugin(); + + try { + Files.copy(updateLocation, file, StandardCopyOption.REPLACE_EXISTING); + } catch (IOException exception) { + throw new RuntimeException("Could not copy '" + updateLocation + "' to '" + file + "' in update plugin process", exception); + } + + // Idk what this is about, TODO + File newName = new File(file.toFile().getParentFile(), updateLocation.toFile().getName()); + file.toFile().renameTo(newName); + updateLocation.toFile().delete(); + return newName.toPath(); + } + } catch (Exception e) { + throw new InvalidPluginException(e); + } + return file; + } + + private String getPluginName(Path path) throws Exception { + try (JarFile file = new JarFile(path.toFile())) { + PluginFileType type = PluginFileType.guessType(file); + if (type == null) { + throw new IllegalArgumentException(path + " does not contain a " + String.join(" or ", PluginFileType.getConfigTypes()) + "! Could not determine plugin type, cannot load a plugin from it!"); + } + + return type.getConfig(file).getName(); + } + } + + private class UpdateFileVisitor implements FileVisitor { + + private final String targetName; + @Nullable + private Path validPlugin; + + private UpdateFileVisitor(String targetName) { + this.targetName = targetName; + } + + @Override + public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { + return FileVisitResult.CONTINUE; + } + + @Override + public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { + try { + String updatePluginName = FileProviderSource.this.getPluginName(file); + if (this.targetName.equals(updatePluginName)) { + this.validPlugin = file; + return FileVisitResult.TERMINATE; + } + } catch (Exception e) { + // We failed to load this data for some reason, so, we'll skip over this + } + + + return FileVisitResult.CONTINUE; + } + + @Override + public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { + return FileVisitResult.CONTINUE; + } + + @Override + public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { + return FileVisitResult.CONTINUE; + } + + @Nullable + public Path getValidPlugin() { + return validPlugin; + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/source/PluginFlagProviderSource.java b/src/main/java/io/papermc/paper/plugin/provider/source/PluginFlagProviderSource.java new file mode 100644 index 0000000000000000000000000000000000000000..205aec4017df65ab268835a8db1687438fba4e1a --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/source/PluginFlagProviderSource.java @@ -0,0 +1,29 @@ +package io.papermc.paper.plugin.provider.source; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; +import org.slf4j.Logger; + +import java.io.File; +import java.util.List; + +/** + * Registers providers at the provided files in the add-plugin argument. + */ +public class PluginFlagProviderSource implements ProviderSource> { + + public static final PluginFlagProviderSource INSTANCE = new PluginFlagProviderSource(); + private static final Logger LOGGER = LogUtils.getClassLogger(); + private final FileProviderSource providerSource = new FileProviderSource("File '%s' specified through 'add-plugin' argument"::formatted); + + @Override + public void registerProviders(EntrypointHandler entrypointHandler, List context) { + for (File file : context) { + try { + this.providerSource.registerProviders(entrypointHandler, file.toPath()); + } catch (Exception e) { + LOGGER.error("Error loading plugin: " + e.getMessage(), e); + } + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/source/ProviderSource.java b/src/main/java/io/papermc/paper/plugin/provider/source/ProviderSource.java new file mode 100644 index 0000000000000000000000000000000000000000..6d247819ee842eb054a74711a0e5805ac8f0498e --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/source/ProviderSource.java @@ -0,0 +1,14 @@ +package io.papermc.paper.plugin.provider.source; + +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; + +/** + * A provider source is responsible for giving PluginTypes an EntrypointHandler for + * registering providers at. + * + * @param context + */ +public interface ProviderSource { + + void registerProviders(EntrypointHandler entrypointHandler, C context) throws Throwable; +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/PluginFileType.java b/src/main/java/io/papermc/paper/plugin/provider/type/PluginFileType.java new file mode 100644 index 0000000000000000000000000000000000000000..87128685015d550440a798028f50be24bc755f6c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/PluginFileType.java @@ -0,0 +1,85 @@ +package io.papermc.paper.plugin.provider.type; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.entrypoint.Entrypoint; +import io.papermc.paper.plugin.entrypoint.EntrypointHandler; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider; +import org.bukkit.plugin.PluginDescriptionFile; +import org.jetbrains.annotations.Nullable; + +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; + +/** + * This is where spigot/paper plugins are registered. + * This will get the jar and find a certain config file, create an object + * then registering it into a {@link EntrypointHandler} at a certain {@link Entrypoint}. + */ +public abstract class PluginFileType { + + private static final List CONFIG_TYPES = new ArrayList<>(); + + public static final PluginFileType PAPER = new PluginFileType<>("paper-plugin.yml", PaperPluginParent.FACTORY) { + @Override + protected void register(EntrypointHandler entrypointHandler, PaperPluginParent parent) { + PaperPluginParent.PaperBootstrapProvider bootstrapPluginProvider = null; + if (parent.shouldCreateBootstrap()) { + bootstrapPluginProvider = parent.createBootstrapProvider(); + entrypointHandler.register(Entrypoint.BOOTSTRAPPER, bootstrapPluginProvider); + } + + entrypointHandler.register(Entrypoint.PLUGIN, parent.createPluginProvider(bootstrapPluginProvider)); + } + }; + public static final PluginFileType SPIGOT = new PluginFileType<>("plugin.yml", SpigotPluginProvider.FACTORY) { + @Override + protected void register(EntrypointHandler entrypointHandler, SpigotPluginProvider provider) { + entrypointHandler.register(Entrypoint.PLUGIN, provider); + } + }; + + private static final List> VALUES = List.of(PAPER, SPIGOT); + + private final String config; + private final PluginTypeFactory factory; + + PluginFileType(String config, PluginTypeFactory factory) { + this.config = config; + this.factory = factory; + CONFIG_TYPES.add(config); + } + + @Nullable + public static PluginFileType guessType(JarFile file) { + for (PluginFileType type : VALUES) { + JarEntry entry = file.getJarEntry(type.config); + if (entry != null) { + return type; + } + } + + return null; + } + + public T register(EntrypointHandler entrypointHandler, JarFile file, Path context) throws Exception { + C config = this.getConfig(file); + T provider = this.factory.build(file, config, context); + this.register(entrypointHandler, provider); + return provider; + } + + public C getConfig(JarFile file) throws Exception { + return this.factory.create(file, file.getJarEntry(this.config)); + } + + protected abstract void register(EntrypointHandler entrypointHandler, T provider); + + public static List getConfigTypes() { + return CONFIG_TYPES; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/PluginTypeFactory.java b/src/main/java/io/papermc/paper/plugin/provider/type/PluginTypeFactory.java new file mode 100644 index 0000000000000000000000000000000000000000..32f230d66f6953520b59ccbf3079c5a6242ca92c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/PluginTypeFactory.java @@ -0,0 +1,21 @@ +package io.papermc.paper.plugin.provider.type; + +import io.papermc.paper.plugin.configuration.PluginMeta; + +import java.nio.file.Path; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; + +/** + * A plugin type factory is responsible for building an object + * and config for a certain plugin type. + * + * @param plugin provider type (may not be a plugin provider) + * @param config type + */ +public interface PluginTypeFactory { + + T build(JarFile file, C configuration, Path source) throws Exception; + + C create(JarFile file, JarEntry config) throws Exception; +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperBootstrapOrderConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperBootstrapOrderConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..e34656fb0573ff6d826eb4d4dcfd517e01589206 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperBootstrapOrderConfiguration.java @@ -0,0 +1,50 @@ +package io.papermc.paper.plugin.provider.type.paper; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.configuration.type.DependencyConfiguration; +import org.jetbrains.annotations.NotNull; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +public class PaperBootstrapOrderConfiguration implements LoadOrderConfiguration { + + private final PaperPluginMeta paperPluginMeta; + private final List loadBefore = new ArrayList<>(); + private final List loadAfter = new ArrayList<>(); + + public PaperBootstrapOrderConfiguration(PaperPluginMeta paperPluginMeta) { + this.paperPluginMeta = paperPluginMeta; + + for (Map.Entry configuration : paperPluginMeta.getBoostrapDependencies().entrySet()) { + String name = configuration.getKey(); + DependencyConfiguration dependencyConfiguration = configuration.getValue(); + + if (dependencyConfiguration.load() == DependencyConfiguration.LoadOrder.AFTER) { + // This plugin will load BEFORE all dependencies (so dependencies will load AFTER plugin) + this.loadBefore.add(name); + } else if (dependencyConfiguration.load() == DependencyConfiguration.LoadOrder.BEFORE) { + // This plugin will load AFTER all dependencies (so dependencies will load BEFORE plugin) + this.loadAfter.add(name); + } + } + } + + @Override + public @NotNull List getLoadBefore() { + return this.loadBefore; + } + + @Override + public @NotNull List getLoadAfter() { + return this.loadAfter; + } + + @Override + public @NotNull PluginMeta getMeta() { + return this.paperPluginMeta; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperLoadOrderConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperLoadOrderConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..b7e8a5ba375a558e0442aa9facf96954a9bb135f --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperLoadOrderConfiguration.java @@ -0,0 +1,44 @@ +package io.papermc.paper.plugin.provider.type.paper; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.type.spigot.SpigotPluginProvider; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +public class PaperLoadOrderConfiguration implements LoadOrderConfiguration { + + private final PaperPluginMeta meta; + private final List loadBefore; + private final List loadAfter; + + public PaperLoadOrderConfiguration(PaperPluginMeta meta) { + this.meta = meta; + + this.loadBefore = this.meta.getLoadBeforePlugins(); + this.loadAfter = this.meta.getLoadAfterPlugins(); + } + + @Override + public @NotNull List getLoadBefore() { + return this.loadBefore; + } + + @Override + public @NotNull List getLoadAfter() { + return this.loadAfter; + } + + @Override + public @NotNull PluginMeta getMeta() { + return this.meta; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginParent.java b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginParent.java new file mode 100644 index 0000000000000000000000000000000000000000..f2bc4d0b55d4c9877a442529e0b144656497dae6 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginParent.java @@ -0,0 +1,264 @@ +package io.papermc.paper.plugin.provider.type.paper; + +import com.destroystokyo.paper.util.SneakyThrow; +import io.papermc.paper.plugin.bootstrap.PluginProviderContext; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.configuration.type.DependencyConfiguration; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.DependencyContextHolder; +import io.papermc.paper.plugin.bootstrap.PluginBootstrap; +import io.papermc.paper.plugin.entrypoint.classloader.PaperPluginClassLoader; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.ProviderStatus; +import io.papermc.paper.plugin.provider.ProviderStatusHolder; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.type.PluginTypeFactory; +import io.papermc.paper.plugin.provider.util.ProviderUtil; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; + +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.jar.JarFile; + +public class PaperPluginParent { + + public static final PluginTypeFactory FACTORY = new PaperPluginProviderFactory(); + private final Path path; + private final JarFile jarFile; + private final PaperPluginMeta description; + private final PaperPluginClassLoader classLoader; + private final PluginProviderContext context; + private final ComponentLogger logger; + + public PaperPluginParent(Path path, JarFile jarFile, PaperPluginMeta description, PaperPluginClassLoader classLoader, PluginProviderContext context) { + this.path = path; + this.jarFile = jarFile; + this.description = description; + this.classLoader = classLoader; + this.context = context; + this.logger = context.getLogger(); + } + + public boolean shouldCreateBootstrap() { + return this.description.getBootstrapper() != null; + } + + public PaperBootstrapProvider createBootstrapProvider() { + return new PaperBootstrapProvider(); + } + + public PaperServerPluginProvider createPluginProvider(PaperBootstrapProvider provider) { + return new PaperServerPluginProvider(provider); + } + + public class PaperBootstrapProvider implements PluginProvider, ProviderStatusHolder, DependencyContextHolder { + + private ProviderStatus status; + private PluginBootstrap lastProvided; + + @Override + public @NotNull Path getSource() { + return PaperPluginParent.this.path; + } + + @Override + public JarFile file() { + return PaperPluginParent.this.jarFile; + } + + @Override + public PluginBootstrap createInstance() { + PluginBootstrap bootstrap = ProviderUtil.loadClass(PaperPluginParent.this.description.getBootstrapper(), + PluginBootstrap.class, PaperPluginParent.this.classLoader, () -> this.status = ProviderStatus.ERRORED); + this.status = ProviderStatus.INITIALIZED; + this.lastProvided = bootstrap; + return bootstrap; + } + + @Override + public PaperPluginMeta getMeta() { + return PaperPluginParent.this.description; + } + + @Override + public ComponentLogger getLogger() { + return PaperPluginParent.this.logger; + } + + @Override + public LoadOrderConfiguration createConfiguration(@NotNull Map> toLoad) { + return new PaperBootstrapOrderConfiguration(PaperPluginParent.this.description); + } + + @Override + public List validateDependencies(@NotNull DependencyContext context) { + List missingDependencies = new ArrayList<>(); + for (Map.Entry configuration : this.getMeta().getBoostrapDependencies().entrySet()) { + String dependency = configuration.getKey(); + if (configuration.getValue().required() && !context.hasDependency(dependency)) { + missingDependencies.add(dependency); + } + } + + return missingDependencies; + } + + @Override + public ProviderStatus getLastProvidedStatus() { + return this.status; + } + + @Override + public void setStatus(ProviderStatus status) { + this.status = status; + } + + public PluginBootstrap getLastProvided() { + return this.lastProvided; + } + + @Override + public void setContext(DependencyContext context) { + PaperPluginParent.this.classLoader.refreshClassloaderDependencyTree(context); + } + + @Override + public String toString() { + return "PaperBootstrapProvider{" + + "parent=" + PaperPluginParent.this + + "status=" + status + + ", lastProvided=" + lastProvided + + '}'; + } + } + + public class PaperServerPluginProvider implements PluginProvider, ProviderStatusHolder, DependencyContextHolder { + + private final PaperBootstrapProvider bootstrapProvider; + + private ProviderStatus status; + + PaperServerPluginProvider(PaperBootstrapProvider bootstrapProvider) { + this.bootstrapProvider = bootstrapProvider; + } + + @Override + public @NotNull Path getSource() { + return PaperPluginParent.this.path; + } + + @Override + public JarFile file() { + return PaperPluginParent.this.jarFile; + } + + @Override + public JavaPlugin createInstance() { + PluginBootstrap bootstrap = null; + if (this.bootstrapProvider != null && this.bootstrapProvider.getLastProvided() != null) { + bootstrap = this.bootstrapProvider.getLastProvided(); + } + + try { + JavaPlugin plugin; + if (bootstrap == null) { + plugin = ProviderUtil.loadClass(PaperPluginParent.this.description.getMainClass(), JavaPlugin.class, PaperPluginParent.this.classLoader); + } else { + plugin = bootstrap.createPlugin(PaperPluginParent.this.context); + } + + if (!plugin.getClass().isAssignableFrom(Class.forName(PaperPluginParent.this.description.getMainClass(), true, plugin.getClass().getClassLoader()))) { + logger.info("Bootstrap of plugin " + PaperPluginParent.this.description.getName() + " provided a plugin instance of class " + plugin.getClass().getName() + " which does not match the plugin declared main class"); + } + + this.status = ProviderStatus.INITIALIZED; + return plugin; + } catch (Throwable throwable) { + this.status = ProviderStatus.ERRORED; + SneakyThrow.sneaky(throwable); + } + + throw new AssertionError(); // Impossible + } + + @Override + public PaperPluginMeta getMeta() { + return PaperPluginParent.this.description; + } + + @Override + public ComponentLogger getLogger() { + return PaperPluginParent.this.logger; + } + + @Override + public LoadOrderConfiguration createConfiguration(@NotNull Map> toLoad) { + return new PaperLoadOrderConfiguration(PaperPluginParent.this.description); + } + + @Override + public List validateDependencies(@NotNull DependencyContext context) { + List missingDependencies = new ArrayList<>(); + for (Map.Entry dependency : this.getMeta().getServerDependencies().entrySet()) { + String name = dependency.getKey(); + if (dependency.getValue().required() && !context.hasDependency(name)) { + missingDependencies.add(name); + } + } + + return missingDependencies; + } + + @Override + public ProviderStatus getLastProvidedStatus() { + return this.status; + } + + @Override + public void setStatus(ProviderStatus status) { + this.status = status; + } + + public boolean shouldSkipCreation() { + if (this.bootstrapProvider == null) { + return false; + } + + return this.bootstrapProvider.getLastProvidedStatus() == ProviderStatus.ERRORED; + } + + /* + The plugin has to reuse the classloader in order to share the bootstrapper. + However, a plugin may have totally separate dependencies during bootstrapping. + This is a bit yuck, but in general we have to treat bootstrapping and normal game as connected. + */ + @Override + public void setContext(DependencyContext context) { + PaperPluginParent.this.classLoader.refreshClassloaderDependencyTree(context); + } + + @Override + public String toString() { + return "PaperServerPluginProvider{" + + "parent=" + PaperPluginParent.this + + "bootstrapProvider=" + bootstrapProvider + + ", status=" + status + + '}'; + } + } + + + @Override + public String toString() { + return "PaperPluginParent{" + + "path=" + path + + ", jarFile=" + jarFile + + ", description=" + description + + ", classLoader=" + classLoader + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginProviderFactory.java b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginProviderFactory.java new file mode 100644 index 0000000000000000000000000000000000000000..84305ea4bd21acf0ff2415808933552696686ac7 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/paper/PaperPluginProviderFactory.java @@ -0,0 +1,56 @@ +package io.papermc.paper.plugin.provider.type.paper; + +import com.destroystokyo.paper.utils.PaperPluginLogger; +import io.papermc.paper.plugin.bootstrap.PluginProviderContext; +import io.papermc.paper.plugin.bootstrap.PluginProviderContextImpl; +import io.papermc.paper.plugin.entrypoint.classloader.PaperPluginClassLoader; +import io.papermc.paper.plugin.entrypoint.classloader.PaperSimplePluginClassLoader; +import io.papermc.paper.plugin.loader.PaperClasspathBuilder; +import io.papermc.paper.plugin.loader.PluginLoader; +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import io.papermc.paper.plugin.provider.type.PluginTypeFactory; +import io.papermc.paper.plugin.provider.util.ProviderUtil; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStreamReader; +import java.nio.file.Path; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; +import java.util.logging.Logger; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; + +class PaperPluginProviderFactory implements PluginTypeFactory { + + @Override + public PaperPluginParent build(JarFile file, PaperPluginMeta configuration, Path source) throws Exception { + Logger jul = PaperPluginLogger.getLogger(configuration); + ComponentLogger logger = ComponentLogger.logger(jul.getName()); + PluginProviderContext context = PluginProviderContextImpl.create(configuration, logger, source); + + PaperClasspathBuilder builder = new PaperClasspathBuilder(context); + + if (configuration.getLoader() != null) { + try ( + PaperSimplePluginClassLoader simplePluginClassLoader = new PaperSimplePluginClassLoader(source, file, configuration, this.getClass().getClassLoader()) + ) { + PluginLoader loader = ProviderUtil.loadClass(configuration.getLoader(), PluginLoader.class, simplePluginClassLoader); + loader.classloader(builder); + } catch (IOException e) { + throw new RuntimeException(e); + } + } + + PaperPluginClassLoader classLoader = builder.buildClassLoader(jul, source, file, configuration); + return new PaperPluginParent(source, file, configuration, classLoader, context); + } + + @Override + public PaperPluginMeta create(JarFile file, JarEntry config) throws Exception { + PaperPluginMeta configuration; + try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(file.getInputStream(config)))) { + configuration = PaperPluginMeta.create(bufferedReader); + } + return configuration; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotLoadOrderConfiguration.java b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotLoadOrderConfiguration.java new file mode 100644 index 0000000000000000000000000000000000000000..b2a6544e321fa61c58bdf5684231de1020884fcc --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotLoadOrderConfiguration.java @@ -0,0 +1,72 @@ +package io.papermc.paper.plugin.provider.type.spigot; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.java.JavaPlugin; +import org.jetbrains.annotations.NotNull; + +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Set; + +public class SpigotLoadOrderConfiguration implements LoadOrderConfiguration { + + private final PluginDescriptionFile meta; + private final List loadBefore; + private final List loadAfter; + + public SpigotLoadOrderConfiguration(SpigotPluginProvider spigotPluginProvider, Map> toLoad) { + this.meta = spigotPluginProvider.getMeta(); + + this.loadBefore = meta.getLoadBeforePlugins(); + this.loadAfter = new ArrayList<>(); + this.loadAfter.addAll(meta.getDepend()); + this.loadAfter.addAll(meta.getSoftDepend()); + + // First: Remove as load after IF already in loadbefore + // Some plugins would put a plugin both in depends and in loadbefore, + // so in this case, we just ignore the effects of depend. + for (String loadBefore : this.loadBefore) { + this.loadAfter.remove(loadBefore); + } + + // Second: Do a basic check to see if any other dependencies refer back to this plugin. + Iterator iterators = this.loadAfter.iterator(); + while (iterators.hasNext()) { + String loadAfter = iterators.next(); + PluginProvider provider = toLoad.get(loadAfter); + if (provider != null) { + PluginMeta configuration = provider.getMeta(); + // Does a configuration refer back to this plugin? + Set dependencies = new HashSet<>(); + dependencies.addAll(configuration.getPluginDependencies()); + dependencies.addAll(configuration.getPluginSoftDependencies()); + + if (configuration.getName().equals(this.meta.getName()) || dependencies.contains(this.meta.getName())) { + iterators.remove(); // Let the other config deal with it + } + } + } + + } + + @Override + public @NotNull List getLoadBefore() { + return this.loadBefore; + } + + @Override + public @NotNull List getLoadAfter() { + return this.loadAfter; + } + + @Override + public @NotNull PluginMeta getMeta() { + return this.meta; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProvider.java b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProvider.java new file mode 100644 index 0000000000000000000000000000000000000000..75a2b687d58d76b94f8bec111df8613f120ff74b --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProvider.java @@ -0,0 +1,197 @@ +package io.papermc.paper.plugin.provider.type.spigot; + +import com.destroystokyo.paper.util.SneakyThrow; +import com.destroystokyo.paper.utils.PaperPluginLogger; +import io.papermc.paper.plugin.manager.PaperPluginManagerImpl; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.DependencyContextHolder; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.ProviderStatus; +import io.papermc.paper.plugin.provider.ProviderStatusHolder; +import io.papermc.paper.plugin.provider.type.PluginTypeFactory; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.bukkit.Bukkit; +import org.bukkit.Server; +import org.bukkit.plugin.InvalidPluginException; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.UnknownDependencyException; +import org.bukkit.plugin.java.JavaPlugin; +import org.bukkit.plugin.java.LibraryLoader; +import org.bukkit.plugin.java.PluginClassLoader; +import org.jetbrains.annotations.NotNull; + +import java.io.File; +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.jar.JarFile; +import java.util.logging.Level; +import java.util.logging.Logger; + +public class SpigotPluginProvider implements PluginProvider, ProviderStatusHolder, DependencyContextHolder { + + public static final PluginTypeFactory FACTORY = new SpigotPluginProviderFactory(); + private static final LibraryLoader LIBRARY_LOADER = new LibraryLoader(Logger.getLogger("SpigotLibraryLoader")); + private final Path path; + private final PluginDescriptionFile description; + private final JarFile jarFile; + private final Logger logger; + private final ComponentLogger componentLogger; + private ProviderStatus status; + private DependencyContext dependencyContext; + + SpigotPluginProvider(Path path, JarFile file, PluginDescriptionFile description) { + this.path = path; + this.jarFile = file; + this.description = description; + this.logger = PaperPluginLogger.getLogger(description); + this.componentLogger = ComponentLogger.logger(this.logger.getName()); + } + + @Override + public @NotNull Path getSource() { + return this.path; + } + + @Override + public JarFile file() { + return this.jarFile; + } + + @Override + public JavaPlugin createInstance() { + Server server = Bukkit.getServer(); + try { + + final File parentFile = server.getPluginsFolder(); // Paper + final File dataFolder = new File(parentFile, this.description.getName()); + @SuppressWarnings("deprecation") final File oldDataFolder = new File(parentFile, this.description.getRawName()); + + // Found old data folder + if (dataFolder.equals(oldDataFolder)) { + // They are equal -- nothing needs to be done! + } else if (dataFolder.isDirectory() && oldDataFolder.isDirectory()) { + server.getLogger().warning(String.format( + "While loading %s (%s) found old-data folder: `%s' next to the new one `%s'", + this.description.getFullName(), + this.path, + oldDataFolder, + dataFolder + )); + } else if (oldDataFolder.isDirectory() && !dataFolder.exists()) { + if (!oldDataFolder.renameTo(dataFolder)) { + throw new InvalidPluginException("Unable to rename old data folder: `" + oldDataFolder + "' to: `" + dataFolder + "'"); + } + server.getLogger().log(Level.INFO, String.format( + "While loading %s (%s) renamed data folder: `%s' to `%s'", + this.description.getFullName(), + this.path, + oldDataFolder, + dataFolder + )); + } + + if (dataFolder.exists() && !dataFolder.isDirectory()) { + throw new InvalidPluginException(String.format( + "Projected datafolder: `%s' for %s (%s) exists and is not a directory", + dataFolder, + this.description.getFullName(), + this.path + )); + } + + Set missingHardDependencies = new HashSet<>(this.description.getDepend().size()); // Paper - list all missing hard depends + for (final String pluginName : this.description.getDepend()) { + if (!this.dependencyContext.hasDependency(pluginName)) { + missingHardDependencies.add(pluginName); // Paper - list all missing hard depends + } + } + // Paper start - list all missing hard depends + if (!missingHardDependencies.isEmpty()) { + throw new UnknownDependencyException(missingHardDependencies, this.description.getFullName()); + } + // Paper end + + server.getUnsafe().checkSupported(this.description); + + final PluginClassLoader loader; + try { + loader = new PluginClassLoader(this.getClass().getClassLoader(), this.description, dataFolder, this.path.toFile(), LIBRARY_LOADER.createLoader(this.description), this.jarFile, this.dependencyContext); // Paper + } catch (InvalidPluginException ex) { + throw ex; + } catch (Throwable ex) { + throw new InvalidPluginException(ex); + } + + // Override dependency context. + // We must provide a temporary context in order to properly handle dependencies on the plugin classloader constructor. + loader.dependencyContext = PaperPluginManagerImpl.getInstance(); + + + this.status = ProviderStatus.INITIALIZED; + return loader.getPlugin(); + } catch (Throwable ex) { + this.status = ProviderStatus.ERRORED; + SneakyThrow.sneaky(ex); + } + + throw new AssertionError(); // Shouldn't happen + } + + @Override + public PluginDescriptionFile getMeta() { + return this.description; + } + + @Override + public ComponentLogger getLogger() { + return this.componentLogger; + } + + @Override + public LoadOrderConfiguration createConfiguration(@NotNull Map> toLoad) { + return new SpigotLoadOrderConfiguration(this, toLoad); + } + + @Override + public List validateDependencies(@NotNull DependencyContext context) { + List missingDependencies = new ArrayList<>(); + for (String hardDependency : this.getMeta().getPluginDependencies()) { + if (!context.hasDependency(hardDependency)) { + missingDependencies.add(hardDependency); + } + } + + return missingDependencies; + } + + @Override + public ProviderStatus getLastProvidedStatus() { + return this.status; + } + + @Override + public void setStatus(ProviderStatus status) { + this.status = status; + } + + @Override + public void setContext(DependencyContext context) { + this.dependencyContext = context; + } + + @Override + public String toString() { + return "SpigotPluginProvider{" + + "path=" + path + + ", description=" + description + + ", jarFile=" + jarFile + + ", status=" + status + + ", dependencyContext=" + dependencyContext + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProviderFactory.java b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProviderFactory.java new file mode 100644 index 0000000000000000000000000000000000000000..14ed05945ba5bfeb2b539d4786278b0e04130404 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/provider/type/spigot/SpigotPluginProviderFactory.java @@ -0,0 +1,45 @@ +package io.papermc.paper.plugin.provider.type.spigot; + +import io.papermc.paper.plugin.provider.configuration.serializer.constraints.PluginConfigConstraints; +import io.papermc.paper.plugin.provider.type.PluginTypeFactory; +import org.bukkit.plugin.InvalidDescriptionException; +import org.bukkit.plugin.PluginDescriptionFile; +import org.yaml.snakeyaml.error.YAMLException; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Path; +import java.util.Locale; +import java.util.jar.JarEntry; +import java.util.jar.JarFile; + +class SpigotPluginProviderFactory implements PluginTypeFactory { + + @Override + public SpigotPluginProvider build(JarFile file, PluginDescriptionFile configuration, Path source) throws Exception { + // Copied from SimplePluginManager#loadPlugins + // Spigot doesn't validate the name when the config is created, and instead when the plugin is loaded. + // Paper plugin configuration will do these checks in config serializer instead of when this is created. + String name = configuration.getRawName(); + if (PluginConfigConstraints.RESERVED_KEYS.contains(name.toLowerCase(Locale.ROOT))) { + throw new InvalidDescriptionException("Restricted name, cannot use %s as a plugin name.".formatted(name)); + } else if (name.indexOf(' ') != -1) { + throw new InvalidDescriptionException("Restricted name, cannot use 0x20 (space character) in a plugin name."); + } + + return new SpigotPluginProvider(source, file, configuration); + } + + @Override + public PluginDescriptionFile create(JarFile file, JarEntry config) throws Exception { + PluginDescriptionFile descriptionFile; + try (InputStream inputStream = file.getInputStream(config)) { + descriptionFile = new PluginDescriptionFile(inputStream); + } catch (IOException | YAMLException ex) { + throw new InvalidDescriptionException(ex); + } + + return descriptionFile; + } +} + diff --git a/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..8ef13e4f00a61db0dab9ef63231d77adcfaba5ab --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/BootstrapProviderStorage.java @@ -0,0 +1,58 @@ +package io.papermc.paper.plugin.storage; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.PluginInitializerManager; +import io.papermc.paper.plugin.bootstrap.BootstrapContext; +import io.papermc.paper.plugin.bootstrap.PluginBootstrap; +import io.papermc.paper.plugin.bootstrap.PluginBootstrapContextImpl; +import io.papermc.paper.plugin.entrypoint.dependency.DependencyContextHolder; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; +import io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.ProviderStatus; +import io.papermc.paper.plugin.provider.ProviderStatusHolder; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import org.slf4j.Logger; + +public class BootstrapProviderStorage extends SimpleProviderStorage { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + + public BootstrapProviderStorage() { + super(new ModernPluginLoadingStrategy<>(new ProviderConfiguration<>() { + @Override + public void applyContext(PluginProvider provider, DependencyContext dependencyContext) { + if (provider instanceof DependencyContextHolder contextHolder) { + contextHolder.setContext(dependencyContext); + } + } + + @Override + public boolean load(PluginProvider provider, PluginBootstrap provided) { + try { + BootstrapContext context = PluginBootstrapContextImpl.create(provider, PluginInitializerManager.instance().pluginDirectoryPath()); + provided.bootstrap(context); + return true; + } catch (Throwable e) { + LOGGER.error("Failed to run bootstrapper for %s. This plugin will not be loaded.".formatted(provider.getSource()), e); + if (provider instanceof ProviderStatusHolder statusHolder) { + statusHolder.setStatus(ProviderStatus.ERRORED); + } + return false; + } + } + + @Override + public void onGenericError(PluginProvider provider) { + if (provider instanceof ProviderStatusHolder statusHolder) { + statusHolder.setStatus(ProviderStatus.ERRORED); + } + } + })); + } + + @Override + public String toString() { + return "BOOTSTRAP:" + super.toString(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/storage/ConfiguredProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/ConfiguredProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..8ef4806cadabe56264dd861f1a1854b2354b3b5c --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/ConfiguredProviderStorage.java @@ -0,0 +1,17 @@ +package io.papermc.paper.plugin.storage; + +import io.papermc.paper.plugin.entrypoint.strategy.LegacyPluginLoadingStrategy; +import io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; + +public abstract class ConfiguredProviderStorage extends SimpleProviderStorage { + + public static final boolean LEGACY_PLUGIN_LOADING = Boolean.getBoolean("paper.useLegacyPluginLoading"); + + protected ConfiguredProviderStorage(ProviderConfiguration onLoad) { + // This doesn't work with reloading. + // Should we care? + super(LEGACY_PLUGIN_LOADING ? new LegacyPluginLoadingStrategy<>(onLoad) : new ModernPluginLoadingStrategy<>(onLoad)); + } + +} diff --git a/src/main/java/io/papermc/paper/plugin/storage/ProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/ProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..374e7d3d69fc8603ecf54999f173123d3a9fbf6e --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/ProviderStorage.java @@ -0,0 +1,18 @@ +package io.papermc.paper.plugin.storage; + +import io.papermc.paper.plugin.provider.PluginProvider; + +/** + * A provider storage is meant to be a singleton that stores providers. + * + * @param provider type + */ +public interface ProviderStorage { + + void register(PluginProvider provider); + + void enter(); + + Iterable> getRegisteredProviders(); + +} diff --git a/src/main/java/io/papermc/paper/plugin/storage/ServerPluginProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/ServerPluginProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..cb9b13522a976b82bcb71cef486f11f4172e3e99 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/ServerPluginProviderStorage.java @@ -0,0 +1,70 @@ +package io.papermc.paper.plugin.storage; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.DependencyContextHolder; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; +import io.papermc.paper.plugin.manager.PaperPluginManagerImpl; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.ProviderStatus; +import io.papermc.paper.plugin.provider.ProviderStatusHolder; +import io.papermc.paper.plugin.provider.type.paper.PaperPluginParent; +import org.bukkit.plugin.Plugin; +import org.bukkit.plugin.java.JavaPlugin; +import org.slf4j.Logger; + +import java.util.List; + +public class ServerPluginProviderStorage extends ConfiguredProviderStorage { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + + public ServerPluginProviderStorage() { + super(new ProviderConfiguration<>() { + @Override + public void applyContext(PluginProvider provider, DependencyContext dependencyContext) { + Plugin alreadyLoadedPlugin = PaperPluginManagerImpl.getInstance().getPlugin(provider.getMeta().getName()); + if (alreadyLoadedPlugin != null) { + throw new IllegalStateException("Provider " + provider + " attempted to add duplicate plugin identifier " + alreadyLoadedPlugin + " THIS WILL CREATE BUGS!!!"); + } + + if (provider instanceof DependencyContextHolder contextHolder) { + contextHolder.setContext(dependencyContext); + } + } + + @Override + public boolean load(PluginProvider provider, JavaPlugin provided) { + // Add it to the map here, we have to run the actual loading logic later. + PaperPluginManagerImpl.getInstance().loadPlugin(provided); + return true; + } + }); + } + + @Override + protected void filterLoadingProviders(List> pluginProviders) { + /* + Have to do this to prevent loading plugin providers that have failed initializers. + This is a hack and a better solution here would be to store failed plugin providers elsewhere. + */ + pluginProviders.removeIf((provider) -> (provider instanceof PaperPluginParent.PaperServerPluginProvider pluginProvider && pluginProvider.shouldSkipCreation())); + } + + // We need to call the load methods AFTER all plugins are constructed + @Override + public void processProvided(PluginProvider provider, JavaPlugin provided) { + try { + provided.getLogger().info(String.format("Loading server plugin %s", provided.getPluginMeta().getDisplayName())); + provided.onLoad(); + } catch (Throwable ex) { + // Don't mark that provider as ERRORED, as this apparently still needs to run the onEnable logic. + provided.getSLF4JLogger().error("Error initializing plugin '%s' in folder '%s' (Is it up to date?)".formatted(provider.getFileName(), provider.getParentSource()), ex); + } + } + + @Override + public String toString() { + return "PLUGIN:" + super.toString(); + } +} diff --git a/src/main/java/io/papermc/paper/plugin/storage/SimpleProviderStorage.java b/src/main/java/io/papermc/paper/plugin/storage/SimpleProviderStorage.java new file mode 100644 index 0000000000000000000000000000000000000000..861c245290696eef0fca846c3026b407593fdce1 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/SimpleProviderStorage.java @@ -0,0 +1,93 @@ +package io.papermc.paper.plugin.storage; + +import com.google.common.graph.GraphBuilder; +import com.google.common.graph.MutableGraph; +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.entrypoint.dependency.GraphDependencyContext; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.entrypoint.strategy.PluginGraphCycleException; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderLoadingStrategy; +import io.papermc.paper.plugin.provider.PluginProvider; +import org.slf4j.Logger; + +import java.util.ArrayList; +import java.util.List; +import java.util.stream.Collectors; + +public abstract class SimpleProviderStorage implements ProviderStorage { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + + protected final List> providers = new ArrayList<>(); + protected ProviderLoadingStrategy strategy; + + protected SimpleProviderStorage(ProviderLoadingStrategy strategy) { + this.strategy = strategy; + } + + @Override + public void register(PluginProvider provider) { + this.providers.add(provider); + } + + @Override + public void enter() { + List> providerList = new ArrayList<>(this.providers); + this.filterLoadingProviders(providerList); + + try { + for (ProviderLoadingStrategy.ProviderPair providerPair : this.strategy.loadProviders(providerList, this.getDependencyTree())) { + this.processProvided(providerPair.provider(), providerPair.provided()); + } + } catch (PluginGraphCycleException exception) { + this.handleCycle(exception); + } + } + + public MetaDependencyTree getDependencyTree() { + return new MetaDependencyTree(GraphBuilder.directed().build()); + } + + @Override + public Iterable> getRegisteredProviders() { + return this.providers; + } + + public void processProvided(PluginProvider provider, T provided) { + } + + // Mutable enter + protected void filterLoadingProviders(List> providers) { + } + + protected void handleCycle(PluginGraphCycleException exception) { + List logMessages = new ArrayList<>(); + for (List list : exception.getCycles()) { + logMessages.add(String.join(" -> ", list) + " -> " + list.get(0)); + } + + LOGGER.error("Circular plugin loading detected!"); + LOGGER.error("Circular load order:"); + for (String logMessage : logMessages) { + LOGGER.error(" {}", logMessage); + } + LOGGER.error("Please report this to the plugin authors of the first plugin of each loop or join the PaperMC Discord server for further help."); + LOGGER.error("If you would like to still load these plugins, acknowledging that there may be unexpected plugin loading issues, run the server with -Dpaper.useLegacyPluginLoading=true"); + + if (this.throwOnCycle()) { + throw new IllegalStateException("Circular plugin loading from plugins " + exception.getCycles().stream().map(cycle -> cycle.get(0)).collect(Collectors.joining(", "))); + } + } + + public boolean throwOnCycle() { + return true; + } + + @Override + public String toString() { + return "SimpleProviderStorage{" + + "providers=" + this.providers + + ", strategy=" + this.strategy + + '}'; + } +} diff --git a/src/main/java/io/papermc/paper/plugin/storage/package-info.java b/src/main/java/io/papermc/paper/plugin/storage/package-info.java new file mode 100644 index 0000000000000000000000000000000000000000..c1114675137e862ac9682b635bfdbfbc1d7c6e67 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/storage/package-info.java @@ -0,0 +1,5 @@ +/** + * Classes in this package are supposed to connect components of {@link io.papermc.paper.plugin.entrypoint} and {@link io.papermc.paper.plugin.provider} packages. + * @see io.papermc.paper.plugin.entrypoint.Entrypoint + */ +package io.papermc.paper.plugin.storage; diff --git a/src/main/java/io/papermc/paper/plugin/util/EntrypointUtil.java b/src/main/java/io/papermc/paper/plugin/util/EntrypointUtil.java new file mode 100644 index 0000000000000000000000000000000000000000..6507e0103c6afde2bed31e25b70e7402fa3af823 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/util/EntrypointUtil.java @@ -0,0 +1,19 @@ +package io.papermc.paper.plugin.util; + +import com.mojang.logging.LogUtils; +import io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler; +import io.papermc.paper.plugin.provider.source.ProviderSource; +import org.slf4j.Logger; + +public class EntrypointUtil { + + private static final Logger LOGGER = LogUtils.getClassLogger(); + + public static void registerProvidersFromSource(ProviderSource source, C context) { + try { + source.registerProviders(LaunchEntryPointHandler.INSTANCE, context); + } catch (Throwable e) { + LOGGER.error(e.getMessage(), e); + } + } +} diff --git a/src/main/java/io/papermc/paper/plugin/util/NamespaceChecker.java b/src/main/java/io/papermc/paper/plugin/util/NamespaceChecker.java new file mode 100644 index 0000000000000000000000000000000000000000..fd55fd1d6518ebd1bc2513dd331f072018fd4782 --- /dev/null +++ b/src/main/java/io/papermc/paper/plugin/util/NamespaceChecker.java @@ -0,0 +1,37 @@ +package io.papermc.paper.plugin.util; + +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.NotNull; + +@ApiStatus.Internal +public class NamespaceChecker { + + private static final String[] QUICK_INVALID_NAMESPACES = { + "net.minecraft.", + "org.bukkit.", + "io.papermc.paper.", + "com.destroystokoyo.paper." + }; + + /** + * Used for a variety of namespaces that shouldn't be resolved and should instead be moved to + * other classloaders. We can assume this because only plugins should be using this classloader. + * + * @param name namespace + */ + public static void validateNameSpaceForClassloading(@NotNull String name) throws ClassNotFoundException { + if (!isValidNameSpace(name)) { + throw new ClassNotFoundException(name); + } + } + + public static boolean isValidNameSpace(@NotNull String name) { + for (String string : QUICK_INVALID_NAMESPACES) { + if (name.startsWith(string)) { + return false; + } + } + + return true; + } +} diff --git a/src/main/java/io/papermc/paper/util/StackWalkerUtil.java b/src/main/java/io/papermc/paper/util/StackWalkerUtil.java index f7114d5b8f2f93f62883e24da29afaf9f74ee1a6..8bf0630c0e06950cd99b7ae9898137f70c22063f 100644 --- a/src/main/java/io/papermc/paper/util/StackWalkerUtil.java +++ b/src/main/java/io/papermc/paper/util/StackWalkerUtil.java @@ -1,9 +1,10 @@ package io.papermc.paper.util; +import io.papermc.paper.plugin.provider.classloader.ConfiguredPluginClassLoader; import org.bukkit.plugin.java.JavaPlugin; -import org.bukkit.plugin.java.PluginClassLoader; import org.jetbrains.annotations.Nullable; +import java.util.Objects; import java.util.Optional; public class StackWalkerUtil { @@ -12,11 +13,18 @@ public class StackWalkerUtil { public static JavaPlugin getFirstPluginCaller() { Optional foundFrame = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE) .walk(stream -> stream - .filter(frame -> frame.getDeclaringClass().getClassLoader() instanceof PluginClassLoader) .map((frame) -> { - PluginClassLoader classLoader = (PluginClassLoader) frame.getDeclaringClass().getClassLoader(); - return classLoader.getPlugin(); + ClassLoader classLoader = frame.getDeclaringClass().getClassLoader(); + JavaPlugin plugin; + if (classLoader instanceof ConfiguredPluginClassLoader configuredPluginClassLoader) { + plugin = configuredPluginClassLoader.getPlugin(); + } else { + plugin = null; + } + + return plugin; }) + .filter(Objects::nonNull) .findFirst()); return foundFrame.orElse(null); diff --git a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java index baa88201c4d08fb4f32f1198e187d7ca138b0f0e..7d09adf27da249851cfc87b7916b915240a65a7e 100644 --- a/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java +++ b/src/main/java/net/minecraft/core/registries/BuiltInRegistries.java @@ -319,7 +319,13 @@ public class BuiltInRegistries { } public static void bootStrap() { + // Paper start + bootStrap(() -> {}); + } + public static void bootStrap(Runnable runnable) { + // Paper end createContents(); + runnable.run(); // Paper freeze(); validate(REGISTRY); } diff --git a/src/main/java/net/minecraft/server/Bootstrap.java b/src/main/java/net/minecraft/server/Bootstrap.java index 1eabd8b5a99850298838b11ba97e3d220f444378..8ff786c366332588a2df053438f23cc9fb7e2b84 100644 --- a/src/main/java/net/minecraft/server/Bootstrap.java +++ b/src/main/java/net/minecraft/server/Bootstrap.java @@ -76,7 +76,11 @@ public class Bootstrap { EntitySelectorOptions.bootStrap(); DispenseItemBehavior.bootStrap(); CauldronInteraction.bootStrap(); - BuiltInRegistries.bootStrap(); + // Paper start + BuiltInRegistries.bootStrap(() -> { + io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.enterBootstrappers(); // Paper - Entrypoint for bootstrapping + }); + // Paper end CreativeModeTabs.validate(); Bootstrap.wrapStreams(); Bootstrap.bootstrapDuration.set(Duration.between(instant, Instant.now()).toMillis()); diff --git a/src/main/java/net/minecraft/server/Main.java b/src/main/java/net/minecraft/server/Main.java index 35e7f8e7b19c217fa5f3f55abb0f8b9cd6b16f18..72c2f0bf9434e09a0dd51294d3a2200f1e0ed1b1 100644 --- a/src/main/java/net/minecraft/server/Main.java +++ b/src/main/java/net/minecraft/server/Main.java @@ -122,6 +122,7 @@ public class Main { JvmProfiler.INSTANCE.start(Environment.SERVER); } + io.papermc.paper.plugin.PluginInitializerManager.load(optionset); // Paper Bootstrap.bootStrap(); Bootstrap.validate(); Util.startTimerHackThread(); diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java index 06cfbdfaa849cac2decf8900bb0dc28a11f3fead..b8cc3cd61472b1b9103316b79a40e7893d333ee4 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java @@ -272,7 +272,8 @@ public final class CraftServer implements Server { private final CraftCommandMap commandMap = new CraftCommandMap(this); private final SimpleHelpMap helpMap = new SimpleHelpMap(this); private final StandardMessenger messenger = new StandardMessenger(); - private final SimplePluginManager pluginManager = new SimplePluginManager(this, this.commandMap); + private final SimplePluginManager pluginManager = new SimplePluginManager(this, commandMap); + public final io.papermc.paper.plugin.manager.PaperPluginManagerImpl paperPluginManager = new io.papermc.paper.plugin.manager.PaperPluginManagerImpl(this, this.commandMap, pluginManager); {this.pluginManager.paperPluginManager = this.paperPluginManager;} // Paper private final StructureManager structureManager; protected final DedicatedServer console; protected final DedicatedPlayerList playerList; @@ -422,24 +423,7 @@ public final class CraftServer implements Server { } public void loadPlugins() { - this.pluginManager.registerInterface(JavaPluginLoader.class); - - File pluginFolder = (File) console.options.valueOf("plugins"); - - if (pluginFolder.exists()) { - Plugin[] plugins = this.pluginManager.loadPlugins(pluginFolder); - for (Plugin plugin : plugins) { - try { - String message = String.format("Loading %s", plugin.getDescription().getFullName()); - plugin.getLogger().info(message); - plugin.onLoad(); - } catch (Throwable ex) { - Logger.getLogger(CraftServer.class.getName()).log(Level.SEVERE, ex.getMessage() + " initializing " + plugin.getDescription().getFullName() + " (Is it up to date?)", ex); - } - } - } else { - pluginFolder.mkdir(); - } + io.papermc.paper.plugin.entrypoint.LaunchEntryPointHandler.INSTANCE.enter(io.papermc.paper.plugin.entrypoint.Entrypoint.PLUGIN); // Paper - replace implementation } public void enablePlugins(PluginLoadOrder type) { @@ -528,15 +512,17 @@ public final class CraftServer implements Server { private void enablePlugin(Plugin plugin) { try { List perms = plugin.getDescription().getPermissions(); - + List permsToLoad = new ArrayList<>(); // Paper for (Permission perm : perms) { - try { - this.pluginManager.addPermission(perm, false); - } catch (IllegalArgumentException ex) { - this.getLogger().log(Level.WARNING, "Plugin " + plugin.getDescription().getFullName() + " tried to register permission '" + perm.getName() + "' but it's already registered", ex); + // Paper start + if (this.paperPluginManager.getPermission(perm.getName()) == null) { + permsToLoad.add(perm); + } else { + this.getLogger().log(Level.WARNING, "Plugin " + plugin.getDescription().getFullName() + " tried to register permission '" + perm.getName() + "' but it's already registered"); + // Paper end } } - this.pluginManager.dirtyPermissibles(); + this.paperPluginManager.addPermissions(permsToLoad); // Paper this.pluginManager.enablePlugin(plugin); } catch (Throwable ex) { @@ -962,6 +948,7 @@ public final class CraftServer implements Server { "This plugin is not properly shutting down its async tasks when it is being reloaded. This may cause conflicts with the newly loaded version of the plugin" )); } + io.papermc.paper.plugin.PluginInitializerManager.reload(this.console); // Paper this.loadPlugins(); this.enablePlugins(PluginLoadOrder.STARTUP); this.enablePlugins(PluginLoadOrder.POSTWORLD); diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java b/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java index 909b2c98e7a9117d2f737245e4661792ffafb744..d96399e9bf1a58db5a4a22e58abb99e7660e0694 100644 --- a/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java +++ b/src/main/java/org/bukkit/craftbukkit/scheduler/MinecraftInternalPlugin.java @@ -42,6 +42,12 @@ public class MinecraftInternalPlugin extends PluginBase { public PluginDescriptionFile getDescription() { return pdf; } + // Paper start + @Override + public io.papermc.paper.plugin.configuration.PluginMeta getPluginMeta() { + return pdf; + } + // Paper end @Override public FileConfiguration getConfig() { diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java index 412dce72064533a260db591a94c8b39eb498331d..0d5202f6bc14bc0cec77f86bed2f1f590e0fffeb 100644 --- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java +++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java @@ -437,6 +437,12 @@ public final class CraftMagicNumbers implements UnsafeValues { net.minecraft.world.item.ItemStack nmsItemStack = CraftItemStack.asNMSCopy(itemStack); return nmsItemStack.getItem().getDescriptionId(nmsItemStack); } + // Paper start + @Override + public boolean isSupportedApiVersion(String apiVersion) { + return apiVersion != null && SUPPORTED_API.contains(apiVersion); + } + // Paper end @Override public FeatureFlag getFeatureFlag(NamespacedKey namespacedKey) { diff --git a/src/main/resources/META-INF/services/io.papermc.paper.plugin.entrypoint.classloader.ClassloaderBytecodeModifier b/src/main/resources/META-INF/services/io.papermc.paper.plugin.entrypoint.classloader.ClassloaderBytecodeModifier new file mode 100644 index 0000000000000000000000000000000000000000..20dbe2775951bfcdb85c5d679ac86c77a93e0847 --- /dev/null +++ b/src/main/resources/META-INF/services/io.papermc.paper.plugin.entrypoint.classloader.ClassloaderBytecodeModifier @@ -0,0 +1 @@ +io.papermc.paper.plugin.entrypoint.classloader.PaperClassloaderBytecodeModifier diff --git a/src/main/resources/META-INF/services/io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage b/src/main/resources/META-INF/services/io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage new file mode 100644 index 0000000000000000000000000000000000000000..a22647244037cd92262b3b5a6582f0a11172fdc8 --- /dev/null +++ b/src/main/resources/META-INF/services/io.papermc.paper.plugin.provider.classloader.PaperClassLoaderStorage @@ -0,0 +1 @@ +io.papermc.paper.plugin.entrypoint.classloader.group.PaperPluginClassLoaderStorage diff --git a/src/main/resources/META-INF/services/org.bukkit.plugin.PluginLoader b/src/main/resources/META-INF/services/org.bukkit.plugin.PluginLoader new file mode 100644 index 0000000000000000000000000000000000000000..4f78bc62d03460463b9694de933e5b73da8df6e3 --- /dev/null +++ b/src/main/resources/META-INF/services/org.bukkit.plugin.PluginLoader @@ -0,0 +1 @@ +io.papermc.paper.plugin.manager.DummyBukkitPluginLoader diff --git a/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java b/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java new file mode 100644 index 0000000000000000000000000000000000000000..1d14f530ef888102e47eeeaf0d1a6076e51871c4 --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/PaperTestPlugin.java @@ -0,0 +1,146 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import org.bukkit.Server; +import org.bukkit.command.Command; +import org.bukkit.command.CommandSender; +import org.bukkit.configuration.file.FileConfiguration; +import org.bukkit.generator.BiomeProvider; +import org.bukkit.generator.ChunkGenerator; +import org.bukkit.plugin.PluginBase; +import org.bukkit.plugin.PluginDescriptionFile; +import org.bukkit.plugin.PluginLoader; +import org.bukkit.plugin.PluginLogger; + +import java.io.File; +import java.io.InputStream; +import java.util.List; + +public class PaperTestPlugin extends PluginBase { + private final String pluginName; + private boolean enabled = true; + private final PluginMeta configuration; + + public PaperTestPlugin(String pluginName) { + this.pluginName = pluginName; + this.configuration = new TestPluginMeta(pluginName); + } + + public PaperTestPlugin(PluginMeta configuration) { + this.configuration = configuration; + this.pluginName = configuration.getName(); + } + + @Override + public File getDataFolder() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public PluginDescriptionFile getDescription() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public PluginMeta getPluginMeta() { + return this.configuration; + } + + @Override + public FileConfiguration getConfig() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public InputStream getResource(String filename) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void saveConfig() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void saveDefaultConfig() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void saveResource(String resourcePath, boolean replace) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void reloadConfig() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public PluginLogger getLogger() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public PluginLoader getPluginLoader() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public Server getServer() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public boolean isEnabled() { + return enabled; + } + + public void setEnabled(boolean enabled) { + this.enabled = enabled; + } + + @Override + public void onDisable() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void onLoad() { + } + + @Override + public void onEnable() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public boolean isNaggable() { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public void setNaggable(boolean canNag) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public ChunkGenerator getDefaultWorldGenerator(String worldName, String id) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public BiomeProvider getDefaultBiomeProvider(String worldName, String id) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public boolean onCommand(CommandSender sender, Command command, String label, String[] args) { + throw new UnsupportedOperationException("Not supported."); + } + + @Override + public List onTabComplete(CommandSender sender, Command command, String alias, String[] args) { + throw new UnsupportedOperationException("Not supported."); + } +} diff --git a/src/test/java/io/papermc/paper/plugin/PluginDependencyValidationTest.java b/src/test/java/io/papermc/paper/plugin/PluginDependencyValidationTest.java new file mode 100644 index 0000000000000000000000000000000000000000..e08a22a753aba0c83894db7216a50724a9393dfa --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/PluginDependencyValidationTest.java @@ -0,0 +1,59 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import org.junit.Test; + +import java.util.List; + +import static org.hamcrest.MatcherAssert.assertThat; + +public class PluginDependencyValidationTest { + + private static final TestPluginMeta MAIN; + private static final TestPluginMeta HARD_DEPENDENCY_1; + private static final TestPluginMeta SOFT_DEPENDENCY_1; + + public static final String ROOT_NAME = "main"; + + public static final String REGISTERED_HARD_DEPEND = "hard1"; + public static final String REGISTERED_SOFT_DEPEND = "soft1"; + public static final String UNREGISTERED_HARD_DEPEND = "hard2"; + public static final String UNREGISTERED_SOFT_DEPEND = "soft2"; + + static { + MAIN = new TestPluginMeta(ROOT_NAME); + MAIN.setSoftDependencies(List.of(REGISTERED_SOFT_DEPEND, UNREGISTERED_SOFT_DEPEND)); + MAIN.setHardDependencies(List.of(REGISTERED_HARD_DEPEND, UNREGISTERED_HARD_DEPEND)); + + HARD_DEPENDENCY_1 = new TestPluginMeta(REGISTERED_HARD_DEPEND); + SOFT_DEPENDENCY_1 = new TestPluginMeta(REGISTERED_SOFT_DEPEND); + } + + @Test + public void testDependencyTree() { + MetaDependencyTree tree = new MetaDependencyTree(); + tree.add(MAIN); + tree.add(HARD_DEPENDENCY_1); + tree.add(SOFT_DEPENDENCY_1); + + // Test simple transitive dependencies + assertThat("%s was not a transitive dependency of %s".formatted(ROOT_NAME, REGISTERED_SOFT_DEPEND), tree.isTransitiveDependency(MAIN, SOFT_DEPENDENCY_1)); + assertThat("%s was not a transitive dependency of %s".formatted(ROOT_NAME, REGISTERED_HARD_DEPEND), tree.isTransitiveDependency(MAIN, HARD_DEPENDENCY_1)); + + assertThat("%s was a transitive dependency of %s".formatted(REGISTERED_SOFT_DEPEND, ROOT_NAME), !tree.isTransitiveDependency(SOFT_DEPENDENCY_1, MAIN)); + assertThat("%s was a transitive dependency of %s".formatted(REGISTERED_HARD_DEPEND, ROOT_NAME), !tree.isTransitiveDependency(HARD_DEPENDENCY_1, MAIN)); + + // Test to ensure that registered dependencies exist + assertThat("tree did not contain dependency %s".formatted(ROOT_NAME), tree.hasDependency(ROOT_NAME)); + assertThat("tree did not contain dependency %s".formatted(REGISTERED_HARD_DEPEND), tree.hasDependency(REGISTERED_HARD_DEPEND)); + assertThat("tree did not contain dependency %s".formatted(REGISTERED_SOFT_DEPEND), tree.hasDependency(REGISTERED_SOFT_DEPEND)); + + // Test to ensure unregistered dependencies don't exist + assertThat("tree contained dependency %s".formatted(UNREGISTERED_HARD_DEPEND), !tree.hasDependency(UNREGISTERED_HARD_DEPEND)); + assertThat("tree contained dependency %s".formatted(UNREGISTERED_SOFT_DEPEND), !tree.hasDependency(UNREGISTERED_SOFT_DEPEND)); + + // Test removal + tree.remove(HARD_DEPENDENCY_1); + assertThat("tree contained dependency %s".formatted(REGISTERED_HARD_DEPEND), !tree.hasDependency(REGISTERED_HARD_DEPEND)); + } +} diff --git a/src/test/java/io/papermc/paper/plugin/PluginLoadOrderTest.java b/src/test/java/io/papermc/paper/plugin/PluginLoadOrderTest.java new file mode 100644 index 0000000000000000000000000000000000000000..9d393aca5e2de4d046dc1a1232d57318432e4742 --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/PluginLoadOrderTest.java @@ -0,0 +1,148 @@ +package io.papermc.paper.plugin; + +import com.google.common.graph.GraphBuilder; +import io.papermc.paper.plugin.entrypoint.dependency.MetaDependencyTree; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import io.papermc.paper.plugin.entrypoint.strategy.modern.ModernPluginLoadingStrategy; +import io.papermc.paper.plugin.entrypoint.strategy.ProviderConfiguration; +import io.papermc.paper.plugin.provider.PluginProvider; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.atomic.AtomicInteger; + +public class PluginLoadOrderTest { + + private static List> REGISTERED_PROVIDERS = new ArrayList<>(); + private static Map LOAD_ORDER = new HashMap<>(); + private static final String[] EMPTY = {}; + + static { + setup(); + } + + private static TestJavaPluginProvider setup(String identifier, String[] loadAfter, String[] loadAfterSoft, String[] before) { + TestPluginMeta configuration = new TestPluginMeta(identifier); + configuration.setHardDependencies(List.of(loadAfter)); + configuration.setSoftDependencies(List.of(loadAfterSoft)); + configuration.setLoadBefore(List.of(before)); + + TestJavaPluginProvider provider = new TestJavaPluginProvider(configuration); + REGISTERED_PROVIDERS.add(provider); + return provider; + } + + /** + * Obfuscated plugin names, this uses a real dependency tree... + */ + private static void setup() { + setup("RedAir", EMPTY, new String[]{"NightShovel", "EmeraldFire"}, new String[]{"GreenShovel", "IronSpork", "BrightBlueShovel", "WireDoor"}); + setup("BigGrass", EMPTY, new String[]{"IronEarth", "RedAir"}, new String[]{"BlueFire"}); + setup("BlueFire", EMPTY, EMPTY, EMPTY); + setup("BigPaper", EMPTY, new String[]{"BlueFire"}, EMPTY); + setup("EmeraldSpork", EMPTY, EMPTY, new String[]{"GoldPaper", "YellowSnow"}); + setup("GreenShovel", EMPTY, EMPTY, EMPTY); + setup("BrightBlueGrass", new String[]{"BigPaper"}, new String[]{"DarkSpork"}, EMPTY); + setup("GoldPaper", EMPTY, new String[]{"BlueFire"}, EMPTY); + setup("GreenGlass", EMPTY, EMPTY, EMPTY); + setup("GoldNeptune", EMPTY, new String[]{"GreenShovel", "GoldNeptuneVersioning"}, EMPTY); + setup("RedPaper", EMPTY, new String[]{"GoldPaper", "GoldFire", "EmeraldGrass", "BlueFire", "CopperSpork", "YellowDoor", "OrangeClam", "BlueSponge", "GoldNeptune", "BrightBlueGrass", "DarkSpoon", "BigShovel", "GreenGlass", "IronGlass"}, new String[]{"IronPaper", "YellowFire"}); + setup("YellowGrass", EMPTY, new String[]{"RedAir"}, EMPTY); + setup("WireFire", EMPTY, new String[]{"RedPaper", "WireGrass", "YellowSpork", "NightAir"}, EMPTY); + setup("OrangeNeptune", EMPTY, EMPTY, EMPTY); + setup("BigSpoon", new String[]{"YellowGrass", "GreenShovel"}, new String[]{"RedAir", "GoldNeptune", "BrightBlueGrass", "LightDoor", "LightSpork", "LightEarth", "NightDoor", "OrangeSpoon", "GoldSponge", "GoldDoor", "DarkPaper", "RedPaper", "GreenGlass", "IronGlass", "NightGlass", "BigGrass", "BlueFire", "YellowSpoon", "DiamondGrass", "DiamondShovel", "DarkSnow", "EmeraldGlass", "EmeraldSpoon", "LightFire", "WireGrass", "RedEarth", "WireFire"}, EMPTY); + setup("CopperSnow", EMPTY, new String[]{"RedSnow", "OrangeFire", "WireAir", "GreenGlass", "NightSpork", "EmeraldPaper"}, new String[]{"BlueGrass"}); + setup("BrightBluePaper", EMPTY, new String[]{"GoldEarth", "BrightBlueSpoon", "CopperGlass", "LightSporkChat", "DarkAir", "LightEarth", "DiamondDoor", "YellowShovel", "BlueAir", "DarkShovel", "GoldPaper", "BlueFire", "GreenGlass", "YellowSpork", "BigGrass", "OrangePaper", "DarkPaper"}, new String[]{"WireShovel"}); + setup("LightSponge", EMPTY, EMPTY, EMPTY); + setup("OrangeShovel", EMPTY, EMPTY, EMPTY); + setup("GoldGrass", EMPTY, new String[]{"GreenGlass", "BlueFire"}, EMPTY); + setup("IronSponge", EMPTY, new String[]{"DiamondEarth"}, EMPTY); + setup("EmeraldSnow", EMPTY, EMPTY, EMPTY); + setup("BlueSpoon", new String[]{"BigGrass"}, new String[]{"GreenGlass", "GoldPaper", "GreenShovel", "YellowClam"}, EMPTY); + setup("BigSpork", EMPTY, new String[]{"BigPaper"}, EMPTY); + setup("BluePaper", EMPTY, new String[]{"BigClam", "RedSpoon", "GreenFire", "WireSnow", "OrangeSnow", "BlueFire", "BrightBlueGrass", "YellowSpork", "GreenGlass"}, EMPTY); + setup("OrangeSpork", EMPTY, EMPTY, EMPTY); + setup("DiamondNeptune", EMPTY, new String[]{"GreenGlass", "GreenShovel", "YellowNeptune"}, EMPTY); + setup("BigFire", EMPTY, new String[]{"BlueFire", "BrightBlueDoor", "GreenGlass"}, EMPTY); + setup("NightNeptune", EMPTY, new String[]{"BlueFire", "DarkGlass", "GoldPaper", "YellowNeptune", "BlueShovel"}, EMPTY); + setup("YellowEarth", new String[]{"RedAir"}, EMPTY, EMPTY); + setup("DiamondClam", EMPTY, EMPTY, EMPTY); + setup("CopperAir", EMPTY, new String[]{"BigPaper"}, EMPTY); + setup("NightSpoon", new String[]{"OrangeNeptune"}, new String[]{"BlueFire", "GreenGlass", "RedSpork", "GoldPaper", "BigShovel", "YellowSponge", "EmeraldSpork"}, EMPTY); + setup("GreenClam", EMPTY, new String[]{"GreenShovel", "BrightBlueEarth", "BigSpoon", "RedPaper", "BlueFire", "GreenGlass", "WireFire", "GreenSnow"}, EMPTY); + setup("YellowPaper", EMPTY, EMPTY, EMPTY); + setup("WireGlass", new String[]{"YellowGrass"}, new String[]{"YellowGlass", "BigSpoon", "CopperSnow", "GreenGlass", "BlueEarth"}, EMPTY); + setup("BlueSpork", EMPTY, new String[]{"BrightBlueGrass"}, EMPTY); + setup("CopperShovel", EMPTY, new String[]{"GreenGlass"}, EMPTY); + setup("RedClam", EMPTY, EMPTY, EMPTY); + setup("EmeraldClam", EMPTY, new String[]{"BlueFire"}, EMPTY); + setup("DarkClam", EMPTY, new String[]{"GoldAir", "LightGlass"}, EMPTY); + setup("WireSpoon", EMPTY, new String[]{"GoldPaper", "LightSnow"}, EMPTY); + setup("CopperNeptune", EMPTY, new String[]{"GreenGlass", "BigGrass"}, EMPTY); + setup("RedNeptune", EMPTY, EMPTY, EMPTY); + setup("GreenAir", EMPTY, EMPTY, EMPTY); + setup("RedFire", new String[]{"BrightBlueGrass", "BigPaper"}, new String[]{"BlueFire", "GreenGlass", "BigGrass"}, EMPTY); + } + + @Before + public void loadProviders() { + AtomicInteger currentLoad = new AtomicInteger(); + ModernPluginLoadingStrategy modernPluginLoadingStrategy = new ModernPluginLoadingStrategy<>(new ProviderConfiguration<>() { + @Override + public void applyContext(PluginProvider provider, DependencyContext dependencyContext) { + } + + @Override + public boolean load(PluginProvider provider, PaperTestPlugin provided) { + LOAD_ORDER.put(provider.getMeta().getName(), currentLoad.getAndIncrement()); + return false; + } + + }); + + modernPluginLoadingStrategy.loadProviders(REGISTERED_PROVIDERS, new MetaDependencyTree(GraphBuilder.directed().build())); + } + + @Test + public void testDependencies() { + for (PluginProvider provider : REGISTERED_PROVIDERS) { + TestPluginMeta pluginMeta = (TestPluginMeta) provider.getMeta(); + String identifier = pluginMeta.getName(); + Assert.assertTrue("Provider wasn't loaded! (%s)".formatted(identifier), LOAD_ORDER.containsKey(identifier)); + + int index = LOAD_ORDER.get(identifier); + + // Hard dependencies should be loaded BEFORE + for (String hardDependency : pluginMeta.getPluginDependencies()) { + Assert.assertTrue("Plugin (%s) is missing hard dependency (%s)".formatted(identifier, hardDependency), LOAD_ORDER.containsKey(hardDependency)); + + int dependencyIndex = LOAD_ORDER.get(hardDependency); + Assert.assertTrue("Plugin (%s) was not loaded BEFORE soft dependency. (%s)".formatted(identifier, hardDependency), index > dependencyIndex); + } + + for (String softDependency : pluginMeta.getPluginSoftDependencies()) { + if (!LOAD_ORDER.containsKey(softDependency)) { + continue; + } + + int dependencyIndex = LOAD_ORDER.get(softDependency); + + Assert.assertTrue("Plugin (%s) was not loaded BEFORE soft dependency. (%s)".formatted(identifier, softDependency), index > dependencyIndex); + } + + for (String loadBefore : pluginMeta.getLoadBeforePlugins()) { + if (!LOAD_ORDER.containsKey(loadBefore)) { + continue; + } + + int dependencyIndex = LOAD_ORDER.get(loadBefore); + Assert.assertTrue("Plugin (%s) was NOT loaded BEFORE loadbefore dependency. (%s)".formatted(identifier, loadBefore), index < dependencyIndex); + } + } + } +} diff --git a/src/test/java/io/papermc/paper/plugin/PluginManagerTest.java b/src/test/java/io/papermc/paper/plugin/PluginManagerTest.java new file mode 100644 index 0000000000000000000000000000000000000000..726eba26470e62b0e94a91418512e242464800ae --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/PluginManagerTest.java @@ -0,0 +1,75 @@ +package io.papermc.paper.plugin; + +import org.bukkit.Bukkit; +import org.bukkit.event.Event; +import org.bukkit.permissions.Permission; +import org.bukkit.plugin.PluginManager; +import org.bukkit.support.AbstractTestingBase; +import org.junit.After; +import org.junit.Test; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.*; + +public class PluginManagerTest extends AbstractTestingBase { + + private static final PluginManager pm = Bukkit.getPluginManager(); + + @Test + public void testSyncSameThread() { + final Event event = new TestEvent(false); + pm.callEvent(event); + } + + @Test + public void testRemovePermissionByNameLower() { + this.testRemovePermissionByName("lower"); + } + + @Test + public void testRemovePermissionByNameUpper() { + this.testRemovePermissionByName("UPPER"); + } + + @Test + public void testRemovePermissionByNameCamel() { + this.testRemovePermissionByName("CaMeL"); + } + + @Test + public void testRemovePermissionByPermissionLower() { + this.testRemovePermissionByPermission("lower"); + } + + @Test + public void testRemovePermissionByPermissionUpper() { + this.testRemovePermissionByPermission("UPPER"); + } + + @Test + public void testRemovePermissionByPermissionCamel() { + this.testRemovePermissionByPermission("CaMeL"); + } + + private void testRemovePermissionByName(final String name) { + final Permission perm = new Permission(name); + pm.addPermission(perm); + assertThat("Permission \"" + name + "\" was not added", pm.getPermission(name), is(perm)); + pm.removePermission(name); + assertThat("Permission \"" + name + "\" was not removed", pm.getPermission(name), is(nullValue())); + } + + private void testRemovePermissionByPermission(final String name) { + final Permission perm = new Permission(name); + pm.addPermission(perm); + assertThat("Permission \"" + name + "\" was not added", pm.getPermission(name), is(perm)); + pm.removePermission(perm); + assertThat("Permission \"" + name + "\" was not removed", pm.getPermission(name), is(nullValue())); + } + + @After + public void tearDown() { + pm.clearPlugins(); + assertThat(pm.getPermissions(), is(empty())); + } +} diff --git a/src/test/java/io/papermc/paper/plugin/PluginNamingTest.java b/src/test/java/io/papermc/paper/plugin/PluginNamingTest.java new file mode 100644 index 0000000000000000000000000000000000000000..860a2bc8200cf41b216a2e37cfbd2f5464d6542c --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/PluginNamingTest.java @@ -0,0 +1,28 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.provider.configuration.PaperPluginMeta; +import org.junit.Assert; +import org.junit.Test; + +public class PluginNamingTest { + private static final String TEST_NAME = "Test_Plugin"; + private static final String TEST_VERSION = "1.0"; + + private final PaperPluginMeta pluginMeta; + + public PluginNamingTest() { + this.pluginMeta = new PaperPluginMeta(); + this.pluginMeta.setName(TEST_NAME); + this.pluginMeta.setVersion(TEST_VERSION); + } + + @Test + public void testName() { + Assert.assertEquals(TEST_NAME, this.pluginMeta.getName()); + } + + @Test + public void testDisplayName() { + Assert.assertEquals(TEST_NAME + " v" + TEST_VERSION, this.pluginMeta.getDisplayName()); + } +} diff --git a/src/test/java/io/papermc/paper/plugin/SyntheticEventTest.java b/src/test/java/io/papermc/paper/plugin/SyntheticEventTest.java new file mode 100644 index 0000000000000000000000000000000000000000..51c08740edffd152c8e2b6d3676ff7f1ce6090c6 --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/SyntheticEventTest.java @@ -0,0 +1,42 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.manager.PaperPluginManagerImpl; +import org.bukkit.Bukkit; +import org.bukkit.event.Event; +import org.bukkit.event.EventHandler; +import org.bukkit.event.Listener; +import org.junit.Assert; +import org.junit.Test; + +public class SyntheticEventTest { + + @Test + public void test() { + PaperTestPlugin paperTestPlugin = new PaperTestPlugin("synthetictest"); + PaperPluginManagerImpl paperPluginManager = new PaperPluginManagerImpl(Bukkit.getServer(), null, null); + + TestEvent event = new TestEvent(false); + Impl impl = new Impl(); + + paperPluginManager.registerEvents(impl, paperTestPlugin); + paperPluginManager.callEvent(event); + + Assert.assertEquals(1, impl.callCount); + } + + public abstract static class Base implements Listener { + int callCount = 0; + + public void accept(E evt) { + callCount++; + } + } + + public static class Impl extends Base { + @Override + @EventHandler + public void accept(TestEvent evt) { + super.accept(evt); + } + } +} diff --git a/src/test/java/io/papermc/paper/plugin/TestEvent.java b/src/test/java/io/papermc/paper/plugin/TestEvent.java new file mode 100644 index 0000000000000000000000000000000000000000..04903794a8ee4dd73162ae240862ff6dc4cb4e24 --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/TestEvent.java @@ -0,0 +1,22 @@ +package io.papermc.paper.plugin; + + +import org.bukkit.event.Event; +import org.bukkit.event.HandlerList; + +public class TestEvent extends Event { + private static final HandlerList handlers = new HandlerList(); + + public TestEvent(boolean async) { + super(async); + } + + @Override + public HandlerList getHandlers() { + return handlers; + } + + public static HandlerList getHandlerList() { + return handlers; + } +} diff --git a/src/test/java/io/papermc/paper/plugin/TestJavaPluginProvider.java b/src/test/java/io/papermc/paper/plugin/TestJavaPluginProvider.java new file mode 100644 index 0000000000000000000000000000000000000000..349932b582349c988f3244552b6e6da5dede3d1d --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/TestJavaPluginProvider.java @@ -0,0 +1,83 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import io.papermc.paper.plugin.provider.PluginProvider; +import io.papermc.paper.plugin.provider.configuration.LoadOrderConfiguration; +import io.papermc.paper.plugin.provider.entrypoint.DependencyContext; +import net.kyori.adventure.text.logger.slf4j.ComponentLogger; +import org.jetbrains.annotations.NotNull; + +import java.nio.file.Path; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.jar.JarFile; + +public class TestJavaPluginProvider implements PluginProvider { + + private final TestPluginMeta testPluginConfiguration; + + public TestJavaPluginProvider(TestPluginMeta testPluginConfiguration) { + this.testPluginConfiguration = testPluginConfiguration; + } + + @Override + public @NotNull Path getSource() { + return Path.of("dummy"); + } + + @Override + public JarFile file() { + throw new UnsupportedOperationException(); + } + + @Override + public PaperTestPlugin createInstance() { + return new PaperTestPlugin(this.testPluginConfiguration); + } + + @Override + public TestPluginMeta getMeta() { + return this.testPluginConfiguration; + } + + @Override + public ComponentLogger getLogger() { + return ComponentLogger.logger("TestPlugin"); + } + + @Override + public LoadOrderConfiguration createConfiguration(@NotNull Map> toLoad) { + return new LoadOrderConfiguration() { + @Override + public @NotNull List getLoadBefore() { + return TestJavaPluginProvider.this.testPluginConfiguration.getLoadBeforePlugins(); + } + + @Override + public @NotNull List getLoadAfter() { + List loadAfter = new ArrayList<>(); + loadAfter.addAll(TestJavaPluginProvider.this.testPluginConfiguration.getPluginDependencies()); + loadAfter.addAll(TestJavaPluginProvider.this.testPluginConfiguration.getPluginSoftDependencies()); + return loadAfter; + } + + @Override + public @NotNull PluginMeta getMeta() { + return TestJavaPluginProvider.this.testPluginConfiguration; + } + }; + } + + @Override + public List validateDependencies(@NotNull DependencyContext context) { + List missingDependencies = new ArrayList<>(); + for (String hardDependency : this.getMeta().getPluginDependencies()) { + if (!context.hasDependency(hardDependency)) { + missingDependencies.add(hardDependency); + } + } + + return missingDependencies; + } +} diff --git a/src/test/java/io/papermc/paper/plugin/TestPluginMeta.java b/src/test/java/io/papermc/paper/plugin/TestPluginMeta.java new file mode 100644 index 0000000000000000000000000000000000000000..ba271c35eb2804f94cfc893bf94affb9ae13d3ba --- /dev/null +++ b/src/test/java/io/papermc/paper/plugin/TestPluginMeta.java @@ -0,0 +1,114 @@ +package io.papermc.paper.plugin; + +import io.papermc.paper.plugin.configuration.PluginMeta; +import org.bukkit.permissions.Permission; +import org.bukkit.permissions.PermissionDefault; +import org.bukkit.plugin.PluginLoadOrder; +import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.Nullable; + +import java.util.List; + +public class TestPluginMeta implements PluginMeta { + + private final String identifier; + private List hardDependencies = List.of(); + private List softDependencies = List.of(); + private List loadBefore = List.of(); + + public TestPluginMeta(String identifier) { + this.identifier = identifier; + } + + @Override + public @NotNull String getName() { + return this.identifier; + } + + @Override + public @NotNull String getMainClass() { + return "null"; + } + + @Override + public @NotNull PluginLoadOrder getLoadOrder() { + return PluginLoadOrder.POSTWORLD; + } + + @Override + public @NotNull String getVersion() { + return "1.0"; + } + + @Override + public @Nullable String getLoggerPrefix() { + return this.identifier; + } + + public void setHardDependencies(List hardDependencies) { + this.hardDependencies = hardDependencies; + } + + @Override + public @NotNull List getPluginDependencies() { + return this.hardDependencies; + } + + public void setSoftDependencies(List softDependencies) { + this.softDependencies = softDependencies; + } + + @Override + public @NotNull List getPluginSoftDependencies() { + return this.softDependencies; + } + + public void setLoadBefore(List loadBefore) { + this.loadBefore = loadBefore; + } + + @Override + public @NotNull List getLoadBeforePlugins() { + return this.loadBefore; + } + + @Override + public @NotNull List getProvidedPlugins() { + return List.of(); + } + + @Override + public @NotNull List getAuthors() { + return List.of(); + } + + @Override + public @NotNull List getContributors() { + return List.of(); + } + + @Override + public @Nullable String getDescription() { + return "null"; + } + + @Override + public @Nullable String getWebsite() { + return "null"; + } + + @Override + public @NotNull List getPermissions() { + return List.of(); + } + + @Override + public @NotNull PermissionDefault getPermissionDefault() { + return PermissionDefault.TRUE; + } + + @Override + public @NotNull String getAPIVersion() { + return "null"; + } +} diff --git a/src/test/java/io/papermc/paper/testing/DummyServer.java b/src/test/java/io/papermc/paper/testing/DummyServer.java index e944e9dca13883c57e93e480ae5adfe51c342532..f482cb4dc5394de3cf88b4c4e13c18f9c61caf45 100644 --- a/src/test/java/io/papermc/paper/testing/DummyServer.java +++ b/src/test/java/io/papermc/paper/testing/DummyServer.java @@ -58,7 +58,7 @@ public final class DummyServer { return new LazyRegistry(() -> CraftRegistry.createRegistry(invocation.getArgument(0, Class.class), AbstractTestingBase.REGISTRY_CUSTOM)); }); - final PluginManager pluginManager = new SimplePluginManager(dummyServer, new SimpleCommandMap(dummyServer)); + final PluginManager pluginManager = new io.papermc.paper.plugin.manager.PaperPluginManagerImpl(dummyServer, new SimpleCommandMap(dummyServer), null); when(dummyServer.getPluginManager()).thenReturn(pluginManager); Bukkit.setServer(dummyServer);