From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: foss-mc <69294560+foss-mc@users.noreply.github.com>
Date: Thu, 1 Jul 2021 12:07:37 +0000
Subject: [PATCH] Remove VersionFetcher

Original code by PatinaMC, licensed under GNU General Public License v3.0
You can find the original code on https://github.com/PatinaMC/Patina

diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
deleted file mode 100644
index ece77f5ea4b14bbed7c070131b3251ea86764538..0000000000000000000000000000000000000000
--- a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
+++ /dev/null
@@ -1,149 +0,0 @@
-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 net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.event.ClickEvent;
-import net.kyori.adventure.text.format.NamedTextColor;
-import net.kyori.adventure.text.format.TextDecoration;
-import net.kyori.adventure.text.TextComponent;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import java.io.*;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.util.stream.StreamSupport;
-
-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 = "master";
-    private static final String DOWNLOAD_PAGE = "https://papermc.io/downloads";
-    private static @Nullable String mcVer;
-
-    @Override
-    public long getCacheTime() {
-        return 720000;
-    }
-
-    @Nonnull
-    @Override
-    public Component getVersionMessage(@Nonnull String serverVersion) {
-        String[] parts = serverVersion.substring("git-Paper-".length()).split("[-\\s]");
-        final Component updateMessage = getUpdateStatusMessage("PaperMC/Paper", GITHUB_BRANCH_NAME, parts[0]);
-        final Component history = getHistory();
-
-        return history != null ? TextComponent.ofChildren(updateMessage, Component.newline(), history) : updateMessage;
-    }
-
-    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 Component 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 Component.text("Error obtaining version information", NamedTextColor.YELLOW);
-            case 0:
-                return Component.text("You are running the latest version", NamedTextColor.GREEN);
-            case -2:
-                return Component.text("Unknown version", NamedTextColor.YELLOW);
-            default:
-                return Component.text("You are " + distance + " version(s) behind", NamedTextColor.YELLOW)
-                        .append(Component.newline())
-                        .append(Component.text("Download the new version at: ")
-                                .append(Component.text(DOWNLOAD_PAGE, NamedTextColor.GOLD)
-                                        .hoverEvent(Component.text("Click to open", NamedTextColor.WHITE))
-                                        .clickEvent(ClickEvent.openUrl(DOWNLOAD_PAGE))));
-        }
-    }
-
-    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/v2/projects/paper/versions/" + siteApiVersion),
-                Charsets.UTF_8
-            ).openBufferedStream()) {
-                JsonObject json = new Gson().fromJson(reader, JsonObject.class);
-                JsonArray builds = json.getAsJsonArray("builds");
-                int latest = StreamSupport.stream(builds.spliterator(), false)
-                    .mapToInt(e -> e.getAsInt())
-                    .max()
-                    .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;
-        }
-    }
-
-    @Nullable
-    private Component getHistory() {
-        final VersionHistoryManager.VersionData data = VersionHistoryManager.INSTANCE.getVersionData();
-        if (data == null) {
-            return null;
-        }
-
-        final String oldVersion = data.getOldVersion();
-        if (oldVersion == null) {
-            return null;
-        }
-
-        return Component.text("Previous version: " + oldVersion, NamedTextColor.GRAY, TextDecoration.ITALIC);
-    }
-}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 0c13463b8b28b099be323969a9535359f41f5541..a71208f6f1d25bad2033c124938a3c25d3ed9997 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -419,10 +419,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
         return com.destroystokyo.paper.PaperConfig.timingsServerName;
     }
 
+    /* // Patina
     @Override
     public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
         return new com.destroystokyo.paper.PaperVersionFetcher(); // Mirai
     }
+    */
 
     @Override
     public boolean isSupportedApiVersion(String apiVersion) {