Y2K_ / BuildTools / d9217b2eba7

Commits

Doc authored and md_5 committed d9217b2eba7 09 Nov 2022

BUILDTOOLS-639: Replace static s3 url with Mojang API to download legacy vanilla server jars

src/main/java/org/spigotmc/builder/Builder.java

Modified

-5
+import com.google.common.collect.Iterables;
-6
+import com.google.common.collect.ObjectArrays;
-7
+import com.google.common.hash.HashFunction;
-8
+import com.google.common.hash.Hasher;
-9
+import com.google.common.hash.Hashing;
-10
+import com.google.common.io.ByteStreams;
-11
+import com.google.common.io.CharStreams;
-12
+import com.google.common.io.Files;
-13
+import com.google.common.io.Resources;
-14
+import com.google.gson.Gson;
-+
+import com.google.gson.JsonArray;
-+
+import com.google.gson.JsonElement;
-+
+import com.google.gson.JsonObject;
-18
+import difflib.DiffUtils;
-19
+import difflib.Patch;
-20
+import java.awt.Desktop;
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+import java.io.BufferedOutputStream;
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+import java.io.BufferedReader;
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+import java.io.BufferedWriter;
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+import java.io.File;
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+import java.io.FileDescriptor;
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+import java.io.FileNotFoundException;
-27
+import java.io.FileOutputStream;
-409
-410
+        File vanillaJar = new File( workDir, "minecraft_server." + versionInfo.getMinecraftVersion() + ".jar" );
-411
+        File embeddedVanillaJar = new File( workDir, "server-" + versionInfo.getMinecraftVersion() + ".jar" );
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+        if ( !checkHash( vanillaJar, versionInfo ) )
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+        {
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+            if ( versionInfo.getServerUrl() != null )
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+            {
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+                download( versionInfo.getServerUrl(), vanillaJar, HashFormat.MD5, versionInfo.getMinecraftHash() );
-417
+            } else
-418
+            {
--
+                download( String.format( "https://s3.amazonaws.com/Minecraft.Download/versions/%1$s/minecraft_server.%1$s.jar", versionInfo.getMinecraftVersion() ), vanillaJar, HashFormat.MD5, versionInfo.getMinecraftHash() );
-+
+                download( getServerVanillaUrl( versionInfo.getMinecraftVersion() ), vanillaJar, HashFormat.MD5, versionInfo.getMinecraftHash() );
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+            }
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+        }
-422
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+        try ( JarFile jar = new JarFile( vanillaJar ) )
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+        {
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+            ZipEntry entry = jar.getEntry( "META-INF/versions/" + versionInfo.getMinecraftVersion() + "/server-" + versionInfo.getMinecraftVersion() + ".jar" );
-426
+            if ( entry != null )
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+            {
-428
+                if ( !checkHash( embeddedVanillaJar, HashFormat.SHA256, versionInfo.getMinecraftHash() ) )
-429
+                {
-1091
+        if ( !dev && goodHash != null && !goodHash.equals( hash ) )
-1092
+        {
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+            throw new IllegalStateException( "Downloaded file: " + target + " did not match expected hash: " + goodHash );
-1094
+        }
-1095
-1096
+        Files.write( bytes, target );
-1097
-1098
+        return target;
-1099
+    }
-1100
-+
+    public static String getServerVanillaUrl(String version) throws Exception
-+
+    {
-+
+        Gson gson = new Gson();
-+
-+
+        String responseManifest = get( "https://launchermeta.mojang.com/mc/game/version_manifest.json" );
-+
+        JsonObject manifest = gson.fromJson( responseManifest, JsonObject.class );
-+
-+
+        JsonArray manifestVersions = manifest.getAsJsonArray( "versions" );
-+
+        for ( JsonElement manifestVersionElement : manifestVersions )
-+
+        {
-+
+            if ( manifestVersionElement.isJsonObject() )
-+
+            {
-+
+                JsonObject manifestVersion = manifestVersionElement.getAsJsonObject();
-+
+                if ( manifestVersion.get( "id" ).getAsString().equals( version ) )
-+
+                {
-+
+                    String urlVersionData = manifestVersion.get( "url" ).getAsString();
-+
-+
+                    String responseVersionData = get( urlVersionData );
-+
+                    JsonObject versionData = gson.fromJson( responseVersionData, JsonObject.class );
-+
+                    return versionData.getAsJsonObject( "downloads" ).getAsJsonObject( "server" ).get( "url" ).getAsString();
-+
+                }
-+
+            }
-+
+        }
-+
-+
+        throw new RuntimeException( "Error cannot get the URL for legacy server version " + version );
-+
+    }
-+
-1128
+    public static void disableHttpsCertificateCheck()
-1129
+    {
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+        // This globally disables certificate checking
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+        // http://stackoverflow.com/questions/19723415/java-overriding-function-to-disable-ssl-certificate-check
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+        try
-1133
+        {
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+            TrustManager[] trustAllCerts = new TrustManager[]
-1135
+            {
-1136
+                new X509TrustManager()
-1137
+                {

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