mirror of
https://github.com/PaperMC/Paper.git
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--- work/CraftBukkit Submodule work/CraftBukkit 29737ccb..efd6cf55: > Only load legacy support data if something uses it
147 lines
6.0 KiB
Diff
147 lines
6.0 KiB
Diff
From 2f074ced2abd0a06240e695b6d734e9a607be80b Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach@zachbr.io>
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Date: Mon, 27 May 2019 03:40:05 -0500
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Subject: [PATCH] Implement Paper VersionChecker
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diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
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new file mode 100644
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index 000000000..5deed3e25
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
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@@ -0,0 +1,115 @@
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+package com.destroystokyo.paper;
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+
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+import com.destroystokyo.paper.util.VersionFetcher;
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+import com.google.common.base.Charsets;
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+import com.google.common.io.Resources;
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+import com.google.gson.*;
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+
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+import javax.annotation.Nonnull;
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+import javax.annotation.Nullable;
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+import java.io.*;
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+import java.net.HttpURLConnection;
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+import java.net.URL;
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+
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+public class PaperVersionFetcher implements VersionFetcher {
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+ private static final java.util.regex.Pattern VER_PATTERN = java.util.regex.Pattern.compile("^([0-9\\.]*)\\-.*R"); // R is an anchor, will always give '-R' at end
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+ private static final String GITHUB_BRANCH_NAME = "master";
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+ private static @Nullable String mcVer;
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+
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+ @Override
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+ public long getCacheTime() {
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+ return 720000;
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+ }
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+
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+ @Nonnull
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+ @Override
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+ public String getVersionMessage(@Nonnull String serverVersion) {
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+ String[] parts = serverVersion.substring("git-Paper-".length()).split("[-\\s]");
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+ return getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
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+ }
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+
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+ private static @Nullable String getMinecraftVersion() {
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+ if (mcVer == null) {
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+ java.util.regex.Matcher matcher = VER_PATTERN.matcher(org.bukkit.Bukkit.getBukkitVersion());
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+ if (matcher.find()) {
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+ String result = matcher.group();
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+ mcVer = result.substring(0, result.length() - 2); // strip 'R' anchor and trailing '-'
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+ } else {
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+ org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to PaperMC!");
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+ org.bukkit.Bukkit.getLogger().warning("Pattern: " + VER_PATTERN.toString());
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+ org.bukkit.Bukkit.getLogger().warning("Version: " + org.bukkit.Bukkit.getBukkitVersion());
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+ }
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+ }
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+
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+ return mcVer;
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+ }
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+
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+ private static String getUpdateStatusMessage(@Nonnull String repo, @Nonnull String branch, @Nonnull String versionInfo) {
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+ int distance;
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+ try {
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+ int jenkinsBuild = Integer.parseInt(versionInfo);
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+ distance = fetchDistanceFromSiteApi(jenkinsBuild, getMinecraftVersion());
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+ } catch (NumberFormatException ignored) {
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+ versionInfo = versionInfo.replace("\"", "");
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+ distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
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+ }
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+
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+ switch (distance) {
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+ case -1:
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+ return "Error obtaining version information";
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+ case 0:
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+ return "You are running the latest version";
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+ case -2:
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+ return "Unknown version";
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+ default:
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+ return "You are " + distance + " version(s) behind";
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+ }
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+ }
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+
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+ private static int fetchDistanceFromSiteApi(int jenkinsBuild, @Nullable String siteApiVersion) {
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+ if (siteApiVersion == null) { return -1; }
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+ try {
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+ try (BufferedReader reader = Resources.asCharSource(
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+ new URL("https://papermc.io/api/v1/paper/" + siteApiVersion + "/latest"),
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+ Charsets.UTF_8
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+ ).openBufferedStream()) {
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+ JsonObject json = new Gson().fromJson(reader, JsonObject.class);
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+ int latest = json.get("build").getAsInt();
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+ return latest - jenkinsBuild;
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+ } catch (JsonSyntaxException ex) {
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+ ex.printStackTrace();
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+ return -1;
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ return -1;
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+ }
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+ }
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+
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+ // Contributed by Techcable <Techcable@outlook.com> in GH-65
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+ private static int fetchDistanceFromGitHub(@Nonnull String repo, @Nonnull String branch, @Nonnull String hash) {
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+ try {
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+ HttpURLConnection connection = (HttpURLConnection) new URL("https://api.github.com/repos/" + repo + "/compare/" + branch + "..." + hash).openConnection();
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+ connection.connect();
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+ if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) return -2; // Unknown commit
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+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), Charsets.UTF_8))) {
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+ JsonObject obj = new Gson().fromJson(reader, JsonObject.class);
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+ String status = obj.get("status").getAsString();
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+ switch (status) {
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+ case "identical":
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+ return 0;
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+ case "behind":
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+ return obj.get("behind_by").getAsInt();
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+ default:
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+ return -1;
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+ }
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+ } catch (JsonSyntaxException | NumberFormatException e) {
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+ e.printStackTrace();
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+ return -1;
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+ }
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ return -1;
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+ }
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+ }
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+}
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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index 1c719ec0e..919892106 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
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@@ -295,6 +295,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
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public String getTimingsServerName() {
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return com.destroystokyo.paper.PaperConfig.timingsServerName;
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}
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+
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+ @Override
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+ public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
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+ return new com.destroystokyo.paper.PaperVersionFetcher();
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+ }
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// Paper end
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/**
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--
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2.25.0
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