158 Zeilen
7.1 KiB
Diff
158 Zeilen
7.1 KiB
Diff
From 0000000000000000000000000000000000000000 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 0000000000000000000000000000000000000000..91d7afc710a2d52b4f429e0381cf64176ecb6415
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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 +1,129 @@
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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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+import net.kyori.adventure.text.Component;
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+import net.kyori.adventure.text.event.ClickEvent;
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+import net.kyori.adventure.text.format.NamedTextColor;
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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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+import java.util.stream.StreamSupport;
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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 final String DOWNLOAD_PAGE = "https://papermc.io/downloads";
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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 Component 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 Component 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 Component.text("Error obtaining version information", NamedTextColor.YELLOW);
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+ case 0:
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+ return Component.text("You are running the latest version", NamedTextColor.GREEN);
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+ case -2:
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+ return Component.text("Unknown version", NamedTextColor.YELLOW);
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+ default:
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+ return Component.text("You are " + distance + " version(s) behind", NamedTextColor.YELLOW)
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+ .append(Component.newline())
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+ .append(Component.text("Download the new version at: ")
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+ .append(Component.text(DOWNLOAD_PAGE, NamedTextColor.GOLD)
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+ .hoverEvent(Component.text("Click to open", NamedTextColor.WHITE))
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+ .clickEvent(ClickEvent.openUrl(DOWNLOAD_PAGE))));
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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/v2/projects/paper/versions/" + siteApiVersion),
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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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+ JsonArray builds = json.getAsJsonArray("builds");
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+ int latest = StreamSupport.stream(builds.spliterator(), false)
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+ .mapToInt(e -> e.getAsInt())
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+ .max()
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+ .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 bbb29440264094ecb82ec1282bdf7aa9f1f2106a..c7a5c9102b0cadeeefdd0dbd0de609f921460485 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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@@ -368,6 +368,11 @@ 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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