Purpur/patches/server/0001-Rebrand.patch

From 83354a397f8da9106fa538b50ae6a182722db15d Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sat, 4 May 2019 01:02:11 -0500
Subject: [PATCH] Rebrand

---
 pom.xml                                       |  32 +++--
 .../paper/console/PaperConsole.java           |   2 +-
 .../net/minecraft/server/MinecraftServer.java |   2 +-
 .../net/pl3x/purpur/PurpurVersionFetcher.java | 115 ++++++++++++++++++
 .../org/bukkit/craftbukkit/CraftServer.java   |   2 +-
 .../craftbukkit/util/CraftMagicNumbers.java   |   2 +-
 .../bukkit/craftbukkit/util/Versioning.java   |   2 +-
 7 files changed, 143 insertions(+), 14 deletions(-)
 create mode 100644 src/main/java/net/pl3x/purpur/PurpurVersionFetcher.java

diff --git a/pom.xml b/pom.xml
index 0c0051f7f..6ca410444 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,11 +1,11 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <artifactId>paper</artifactId>
+    <artifactId>purpur</artifactId>
     <packaging>jar</packaging>
     <version>1.15.2-R0.1-SNAPSHOT</version>
-    <name>Paper</name>
-    <url>https://papermc.io</url>
+    <name>Purpur</name>
+    <url>http://pl3x.net</url>
 
     <properties>
         <!-- <skipTests>true</skipTests> Paper - This [was] not going to end well -->
@@ -18,16 +18,16 @@
     </properties>
 
     <parent>
-        <groupId>com.destroystokyo.paper</groupId>
-        <artifactId>paper-parent</artifactId>
+        <groupId>net.pl3x.purpur</groupId>
+        <artifactId>purpur-parent</artifactId>
         <version>dev-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
     <dependencies>
         <dependency>
-            <groupId>com.destroystokyo.paper</groupId>
-            <artifactId>paper-api</artifactId>
+            <groupId>net.pl3x.purpur</groupId>
+            <artifactId>purpur-api</artifactId>
             <version>${project.version}</version>
             <scope>compile</scope>
         </dependency>
@@ -43,6 +43,20 @@
             <version>${minecraft.version}-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
+        <!-- Purpur start -->
+        <dependency>
+            <groupId>org.mozilla</groupId>
+            <artifactId>rhino</artifactId>
+            <version>1.7.7.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>cat.inspiracio</groupId>
+            <artifactId>rhino-js-engine</artifactId>
+            <version>1.7.7.1</version>
+            <scope>compile</scope>
+        </dependency>
+        <!-- Purpur end -->
         <dependency>
             <groupId>net.minecrell</groupId>
             <artifactId>terminalconsoleappender</artifactId>
@@ -153,7 +167,7 @@
 
     <!-- This builds a completely 'ready to start' jar with all dependencies inside -->
     <build>
-        <finalName>paper-${minecraft.version}</finalName>
+        <finalName>purpur-${minecraft.version}</finalName>
         <defaultGoal>clean install</defaultGoal> <!-- Paper -->
         <plugins>
             <plugin>
@@ -161,7 +175,7 @@
                 <artifactId>gitdescribe-maven-plugin</artifactId>
                 <version>1.3</version>
                 <configuration>
-                    <outputPrefix>git-Paper-</outputPrefix>
+                    <outputPrefix>git-Purpur-</outputPrefix>
                     <scmDirectory>..</scmDirectory>
                 </configuration>
                 <executions>
diff --git a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
index cd6e25923..bb227bc0f 100644
--- a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
+++ b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
@@ -17,7 +17,7 @@ public final class PaperConsole extends SimpleTerminalConsole {
     @Override
     protected LineReader buildReader(LineReaderBuilder builder) {
         return super.buildReader(builder
-                .appName("Paper")
+                .appName("Purpur") // Purpur
                 .completer(new ConsoleCommandCompleter(this.server))
         );
     }
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index b952e9efa..89afe0933 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1544,7 +1544,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
     }
 
     public String getServerModName() {
-        return "Paper"; //Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
+        return "Purpur"; // Purpur - Purpur > // Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
     }
 
     public CrashReport b(CrashReport crashreport) {
diff --git a/src/main/java/net/pl3x/purpur/PurpurVersionFetcher.java b/src/main/java/net/pl3x/purpur/PurpurVersionFetcher.java
new file mode 100644
index 000000000..d8b408f06
--- /dev/null
+++ b/src/main/java/net/pl3x/purpur/PurpurVersionFetcher.java
@@ -0,0 +1,115 @@
+package net.pl3x.purpur;
+
+import com.destroystokyo.paper.VersionHistoryManager;
+import com.destroystokyo.paper.util.VersionFetcher;
+import com.google.common.base.Charsets;
+import com.google.common.io.Resources;
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonSyntaxException;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class PurpurVersionFetcher implements VersionFetcher {
+    private static final String JENKINS_URL = "https://ci.pl3x.net/job/Purpur/lastSuccessfulBuild/buildNumber";
+    private static final String GITHUB_BRANCH_NAME = "master";
+
+    @Override
+    public long getCacheTime() {
+        return 720000;
+    }
+
+    @Nonnull
+    @Override
+    public String getVersionMessage(@Nonnull String serverVersion) {
+        String[] parts = serverVersion.substring("git-Purpur-".length()).split("[-\\s]");
+        String updateMessage = getUpdateStatusMessage("pl3xgaming/Purpur", GITHUB_BRANCH_NAME, parts[0]);
+        String history = getHistory();
+
+        return history != null ? history + "\n" + updateMessage : updateMessage;
+    }
+
+    private static String getUpdateStatusMessage(@Nonnull String repo, @Nonnull String branch, @Nonnull String versionInfo) {
+        int distance;
+        try {
+            int jenkinsBuild = Integer.parseInt(versionInfo);
+            distance = fetchDistanceFromJenkins(jenkinsBuild);
+        } 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 fetchDistanceFromJenkins(int jenkinsBuild) {
+        try {
+            try (BufferedReader reader = Resources.asCharSource(new URL(JENKINS_URL), Charsets.UTF_8).openBufferedStream()) {
+                return Integer.decode(reader.readLine()) - jenkinsBuild;
+            } catch (NumberFormatException ex) {
+                ex.printStackTrace();
+                return -2;
+            }
+        } 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 String getHistory() {
+        final VersionHistoryManager.VersionData data = VersionHistoryManager.INSTANCE.getVersionData();
+        if (data == null) {
+            return null;
+        }
+
+        final String oldVersion = data.getOldVersion();
+        if (oldVersion == null) {
+            return null;
+        }
+
+        return "Previous version: " + oldVersion;
+    }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index b89f99a66..a1d3bc7ea 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -204,7 +204,7 @@ import javax.annotation.Nullable; // Paper
 import javax.annotation.Nonnull; // Paper
 
 public final class CraftServer implements Server {
-    private final String serverName = "Paper"; // Paper
+    private final String serverName = "Purpur"; // Purpur // Paper
     private final String serverVersion;
     private final String bukkitVersion = Versioning.getBukkitVersion();
     private final Logger logger = Logger.getLogger("Minecraft");
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 770375ed4..0e5da2a30 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -306,7 +306,7 @@ public final class CraftMagicNumbers implements UnsafeValues {
 
     @Override
     public com.destroystokyo.paper.util.VersionFetcher getVersionFetcher() {
-        return new com.destroystokyo.paper.PaperVersionFetcher();
+        return new net.pl3x.purpur.PurpurVersionFetcher();
     }
 
     @Override
diff --git a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
index 674096cab..e9aee2d8a 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
@@ -11,7 +11,7 @@ public final class Versioning {
     public static String getBukkitVersion() {
         String result = "Unknown-Version";
 
-        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/com.destroystokyo.paper/paper-api/pom.properties");
+        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/net.pl3x.purpur/purpur-api/pom.properties"); // Purpur
         Properties properties = new Properties();
 
         if (stream != null) {
-- 
2.24.0