Paper/Spigot-Server-Patches/0018-Implement-Paper-VersionChecker.patch
Spottedleaf 2f782a6652 Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
17543ecf SPIGOT-5035: Error Using Virtual Merchant GUI
0fc6922b SPIGOT-5028: Villager#setVillagerExperience() doesn't work
bdbdbe44 SPIGOT-5024: Fox error - Unknown target reason
2019-06-06 16:56:51 +01:00

147 lines
6.0 KiB
Diff

From 8f3c0b425115ce387a0493b4e778e7c270784543 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach@zachbr.io>
Date: Mon, 27 May 2019 03:40:05 -0500
Subject: [PATCH] Implement Paper VersionChecker
diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
new file mode 100644
index 0000000000..ded51d042b
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
@@ -0,0 +1,115 @@
+package com.destroystokyo.paper;
+
+import com.destroystokyo.paper.util.VersionFetcher;
+import com.google.common.base.Charsets;
+import com.google.common.io.Resources;
+import com.google.gson.*;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class PaperVersionFetcher implements VersionFetcher {
+ 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
+ private static final String GITHUB_BRANCH_NAME = "ver/1.14";
+ private static @Nullable String mcVer;
+
+ @Override
+ public long getCacheTime() {
+ return 720000;
+ }
+
+ @Nonnull
+ @Override
+ public String getVersionMessage(@Nonnull String serverVersion) {
+ String[] parts = serverVersion.substring("git-Paper-".length()).split("[-\\s]");
+ return getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
+ }
+
+ private static @Nullable String getMinecraftVersion() {
+ if (mcVer == null) {
+ java.util.regex.Matcher matcher = VER_PATTERN.matcher(org.bukkit.Bukkit.getBukkitVersion());
+ if (matcher.find()) {
+ String result = matcher.group();
+ mcVer = result.substring(0, result.length() - 2); // strip 'R' anchor and trailing '-'
+ } else {
+ org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to PaperMC!");
+ org.bukkit.Bukkit.getLogger().warning("Pattern: " + VER_PATTERN.toString());
+ org.bukkit.Bukkit.getLogger().warning("Version: " + org.bukkit.Bukkit.getBukkitVersion());
+ }
+ }
+
+ return mcVer;
+ }
+
+ private static String getUpdateStatusMessage(@Nonnull String repo, @Nonnull String branch, @Nonnull String versionInfo) {
+ int distance;
+ try {
+ int jenkinsBuild = Integer.parseInt(versionInfo);
+ distance = fetchDistanceFromSiteApi(jenkinsBuild, getMinecraftVersion());
+ } catch (NumberFormatException ignored) {
+ versionInfo = versionInfo.replace("\"", "");
+ distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
+ }
+
+ switch (distance) {
+ case -1:
+ return "Error obtaining version information";
+ case 0:
+ return "You are running the latest version";
+ case -2:
+ return "Unknown version";
+ default:
+ return "You are " + distance + " version(s) behind";
+ }
+ }
+
+ private static int fetchDistanceFromSiteApi(int jenkinsBuild, @Nullable String siteApiVersion) {
+ if (siteApiVersion == null) { return -1; }
+ try {
+ try (BufferedReader reader = Resources.asCharSource(
+ new URL("https://papermc.io/api/v1/paper/" + siteApiVersion + "/latest"),
+ Charsets.UTF_8
+ ).openBufferedStream()) {
+ JsonObject json = new Gson().fromJson(reader, JsonObject.class);
+ int latest = json.get("build").getAsInt();
+ return latest - jenkinsBuild;
+ } catch (JsonSyntaxException ex) {
+ ex.printStackTrace();
+ return -1;
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ return -1;
+ }
+ }
+
+ // Contributed by Techcable <Techcable@outlook.com> in GH-65
+ private static int fetchDistanceFromGitHub(@Nonnull String repo, @Nonnull String branch, @Nonnull String hash) {
+ try {
+ HttpURLConnection connection = (HttpURLConnection) new URL("https://api.github.com/repos/" + repo + "/compare/" + branch + "..." + hash).openConnection();
+ connection.connect();
+ if (connection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) return -2; // Unknown commit
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(), Charsets.UTF_8))) {
+ JsonObject obj = new Gson().fromJson(reader, JsonObject.class);
+ String status = obj.get("status").getAsString();
+ switch (status) {
+ case "identical":
+ return 0;
+ case "behind":
+ return obj.get("behind_by").getAsInt();
+ default:
+ return -1;
+ }
+ } catch (JsonSyntaxException | NumberFormatException e) {
+ e.printStackTrace();
+ return -1;
+ }
+ } catch (IOException e) {
+ e.printStackTrace();
+ return -1;
+ }
+ }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index f7fdd0727b..ee5616cdfc 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -276,6 +276,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
public String getTimingsServerName() {
return com.destroystokyo.paper.PaperConfig.timingsServerName;
}
+
+ @Override
+ public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
+ return new com.destroystokyo.paper.PaperVersionFetcher();
+ }
// Paper end
/**
--
2.21.0