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Fixup and deprecate player profiles in ping event

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The player sample uses game profile internally, but discards everything but the name and uuid and does not follow player profile restrictions, so it doesn't make sense to use that in the event.
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Nassim Jahnke 2024-06-14 18:14:55 +02:00
parent 5442bffab5
commit 038f8d915e
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GPG Key ID: EF6771C01F6EF02F
2 changed files with 192 additions and 31 deletions
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188
patches/api/0091-Add-extended-PaperServerListPingEvent.patch
View File

@ -8,20 +8,28 @@ and allows full control of the response sent to the client.
diff --git a/src/main/java/com/destroystokyo/paper/event/server/PaperServerListPingEvent.java b/src/main/java/com/destroystokyo/paper/event/server/PaperServerListPingEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d84302d697267
index 0000000000000000000000000000000000000000..acff2ff570f8419ffa4dfefe890795c63d75325d
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/server/PaperServerListPingEvent.java
@@ -0,0 +1,338 @@
@@ -0,0 +1,502 @@
+package com.destroystokyo.paper.event.server;
+
+import static java.util.Objects.requireNonNull;
+
+import com.destroystokyo.paper.network.StatusClient;
+import com.destroystokyo.paper.profile.PlayerProfile;
+import com.destroystokyo.paper.profile.ProfileProperty;
+import com.google.common.base.Preconditions;
+import io.papermc.paper.util.TransformingRandomAccessList;
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.server.ServerListPingEvent;
+import org.bukkit.profile.PlayerTextures;
+import org.bukkit.util.CachedServerIcon;
+
+import java.util.ArrayList;
@ -44,7 +52,12 @@ index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d8430
+
+ private int numPlayers;
+ private boolean hidePlayers;
+ @NotNull private final List<PlayerProfile> playerSample = new ArrayList<>();
+ @NotNull private final List<ListedPlayerInfo> listedPlayers = new ArrayList<>();
+ @NotNull private final TransformingRandomAccessList<ListedPlayerInfo, PlayerProfile> playerSample = new TransformingRandomAccessList<>(
+ listedPlayers,
+ info -> new UncheckedPlayerProfile(info.name(), info.id()),
+ profile -> new ListedPlayerInfo(profile.getName(), profile.getId())
+ );
+
+ @NotNull private String version;
+ private int protocolVersion;
@ -163,7 +176,7 @@ index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d8430
+ }
+
+ /**
+ * Returns a mutable list of {@link PlayerProfile} that will be displayed
+ * Returns a mutable list of {@link ListedPlayerInfo} that will be displayed
+ * as online players on the client.
+ * <p>
+ * The Vanilla Minecraft client will display them when hovering the
@ -172,6 +185,22 @@ index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d8430
+ * @return The mutable player sample list
+ */
+ @NotNull
+ public List<ListedPlayerInfo> getListedPlayers() {
+ return this.listedPlayers;
+ }
+
+ /**
+ * Returns a mutable list of {@link PlayerProfile} that will be displayed
+ * as online players on the client.
+ * <p>
+ * The Vanilla Minecraft client will display them when hovering the
+ * player count with the mouse.
+ *
+ * @return The mutable player sample list
+ * @deprecated Use {@link #getListedPlayers()}, as this does not contain real player profiles
+ */
+ @NotNull
+ @Deprecated(forRemoval = true, since = "1.20.6")
+ public List<PlayerProfile> getPlayerSample() {
+ return this.playerSample;
+ }
@ -276,9 +305,11 @@ index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d8430
+ * <li>Remove all entries from {@link #getPlayerSample()} that refer to
+ * the removed player (based on their {@link UUID}).</li>
+ * </ul>
+ * @deprecated the Iterable interface will be removed at some point
+ */
+ @NotNull
+ @Override
+ @Deprecated(forRemoval = true, since = "1.20.6")
+ public Iterator<Player> iterator() {
+ if (this.players == null) {
+ this.players = getOnlinePlayers();
@ -349,6 +380,139 @@ index 0000000000000000000000000000000000000000..0bb6fdbdd05ae6a8fb413e0f6b8d8430
+ }
+ }
+
+ /**
+ * Represents a player that will be displayed in the player sample of the server list.
+ *
+ * @param name name of the listed player
+ * @param id UUID of the listed player
+ */
+ public record ListedPlayerInfo(@NotNull String name, @NotNull UUID id) {
+ }
+
+ @ApiStatus.Internal
+ private static final class UncheckedPlayerProfile implements PlayerProfile {
+ private String name;
+ private UUID uuid;
+
+ public UncheckedPlayerProfile(final @NotNull String name, final @NotNull UUID uuid) {
+ Preconditions.checkNotNull(name, "name cannot be null");
+ Preconditions.checkNotNull(uuid, "uuid cannot be null");
+ this.name = name;
+ this.uuid = uuid;
+ }
+
+ @Override
+ public @Nullable UUID getUniqueId() {
+ return uuid;
+ }
+
+ @Override
+ public @Nullable String getName() {
+ return name;
+ }
+
+ @Override
+ public @NotNull String setName(@Nullable final String name) {
+ Preconditions.checkNotNull(name, "name cannot be null");
+ return this.name = name;
+ }
+
+ @Override
+ public @Nullable UUID getId() {
+ return uuid;
+ }
+
+ @Override
+ public @Nullable UUID setId(@Nullable final UUID uuid) {
+ Preconditions.checkNotNull(uuid, "uuid cannot be null");
+ return this.uuid = uuid;
+ }
+
+ @Override
+ public @NotNull PlayerTextures getTextures() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setTextures(@Nullable final PlayerTextures textures) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull Set<ProfileProperty> getProperties() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean hasProperty(@Nullable final String property) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setProperty(@NotNull final ProfileProperty property) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void setProperties(@NotNull final Collection<ProfileProperty> properties) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean removeProperty(@Nullable final String property) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public void clearProperties() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean isComplete() {
+ return false;
+ }
+
+ @Override
+ public boolean completeFromCache() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean completeFromCache(final boolean onlineMode) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean completeFromCache(final boolean lookupUUID, final boolean onlineMode) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean complete(final boolean textures) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean complete(final boolean textures, final boolean onlineMode) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull CompletableFuture<PlayerProfile> update() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public org.bukkit.profile.@NotNull PlayerProfile clone() {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public @NotNull Map<String, Object> serialize() {
+ throw new UnsupportedOperationException();
+ }
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/network/StatusClient.java b/src/main/java/com/destroystokyo/paper/network/StatusClient.java
new file mode 100644
@ -369,6 +533,22 @@ index 0000000000000000000000000000000000000000..517d15238ed117f38bbd39f570874014
+public interface StatusClient extends NetworkClient {
+
+}
diff --git a/src/main/java/org/bukkit/event/server/ServerListPingEvent.java b/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
index 72ebc29db42d08d1d0361dba462fc8a573fbf918..d351f62971f8f1317b3fc92f8b1d446e48149c3a 100644
--- a/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
+++ b/src/main/java/org/bukkit/event/server/ServerListPingEvent.java
@@ -248,9 +248,11 @@ public class ServerListPingEvent extends ServerEvent implements Iterable<Player>
*
* @throws UnsupportedOperationException if the caller of this event does
* not support removing players
+ * @deprecated the Iterable interface will be removed at some point
*/
@NotNull
@Override
+ @Deprecated(forRemoval = true, since = "1.20.6")
public Iterator<Player> iterator() throws UnsupportedOperationException {
throw new UnsupportedOperationException();
}
diff --git a/src/main/java/org/bukkit/util/CachedServerIcon.java b/src/main/java/org/bukkit/util/CachedServerIcon.java
index 9a7768d41270714d4a1c89b4dcb436cc66f57545..b74b21a1ac7798e847b6d34ff45026e1c9cfed14 100644
--- a/src/main/java/org/bukkit/util/CachedServerIcon.java

35
patches/server/0175-Implement-extended-PaperServerListPingEvent.patch
View File

@ -60,23 +60,18 @@ index 0000000000000000000000000000000000000000..d926ad804355ee2fdc5910b2505e8671
+}
diff --git a/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java b/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..69433be355f284030ca79cba509a351bb32ccd8b
index 0000000000000000000000000000000000000000..aa2aff62c873ba85b0cbced5382398c858420e59
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/network/StandardPaperServerListPingEventImpl.java
@@ -0,0 +1,116 @@
@@ -0,0 +1,97 @@
+package com.destroystokyo.paper.network;
+
+import com.destroystokyo.paper.profile.CraftPlayerProfile;
+import com.destroystokyo.paper.profile.PlayerProfile;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Strings;
+import com.mojang.authlib.GameProfile;
+import io.papermc.paper.adventure.AdventureComponent;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.UUID;
+import javax.annotation.Nonnull;
+import net.minecraft.network.Connection;
+import net.minecraft.network.chat.Component;
@ -87,9 +82,6 @@ index 0000000000000000000000000000000000000000..69433be355f284030ca79cba509a351b
+
+public final class StandardPaperServerListPingEventImpl extends PaperServerListPingEventImpl {
+
+ // private static final GameProfile[] EMPTY_PROFILES = new GameProfile[0];
+ private static final UUID FAKE_UUID = new UUID(0, 0);
+
+ private List<GameProfile> originalSample;
+
+ private StandardPaperServerListPingEventImpl(MinecraftServer server, Connection networkManager, ServerStatus ping) {
@ -99,12 +91,12 @@ index 0000000000000000000000000000000000000000..69433be355f284030ca79cba509a351b
+
+ @Nonnull
+ @Override
+ public List<PlayerProfile> getPlayerSample() {
+ List<PlayerProfile> sample = super.getPlayerSample();
+ public List<ListedPlayerInfo> getListedPlayers() {
+ List<ListedPlayerInfo> sample = super.getListedPlayers();
+
+ if (this.originalSample != null) {
+ for (GameProfile profile : this.originalSample) {
+ sample.add(CraftPlayerProfile.asBukkitCopy(profile));
+ sample.add(new ListedPlayerInfo(profile.getName(), profile.getId()));
+ }
+ this.originalSample = null;
+ }
@ -117,25 +109,14 @@ index 0000000000000000000000000000000000000000..69433be355f284030ca79cba509a351b
+ return this.originalSample;
+ }
+
+ List<PlayerProfile> entries = super.getPlayerSample();
+ List<ListedPlayerInfo> entries = super.getListedPlayers();
+ if (entries.isEmpty()) {
+ return Collections.emptyList();
+ }
+
+ final List<GameProfile> profiles = new ArrayList<>();
+ for (PlayerProfile profile : entries) {
+ /*
+ * Avoid null UUIDs/names since that will make the response invalid
+ * on the client.
+ * Instead, fall back to a fake/empty UUID and an empty string as name.
+ * This can be used to create custom lines in the player list that do not
+ * refer to a specific player.
+ */
+ if (profile.getId() != null && profile.getName() != null) {
+ profiles.add(CraftPlayerProfile.asAuthlib(profile));
+ } else {
+ profiles.add(new GameProfile(MoreObjects.firstNonNull(profile.getId(), FAKE_UUID), Strings.nullToEmpty(profile.getName())));
+ }
+ for (ListedPlayerInfo playerInfo : entries) {
+ profiles.add(new GameProfile(playerInfo.id(), playerInfo.name()));
+ }
+ return profiles;
+ }