Entonez
/
KCauldronX
forked from xjboss/KCauldronX
1
0
Fork 0
Code Releases Activity
KCauldronX/patches/org/bukkit/plugin/java/PluginClassLoader.java.patch

487 lines
27 KiB
Diff
Raw Blame History

--- ../src-base/minecraft/org/bukkit/plugin/java/PluginClassLoader.java
+++ ../src-work/minecraft/org/bukkit/plugin/java/PluginClassLoader.java
@@ -1,5 +1,23 @@
package org.bukkit.plugin.java;
+// Cauldron start
+import net.md_5.specialsource.provider.ClassLoaderProvider;
+import net.md_5.specialsource.transformer.MavenShade;
+//import org.bouncycastle.util.io.Streams;
+import net.md_5.specialsource.*;
+import net.md_5.specialsource.repo.*;
+import net.minecraft.server.MinecraftServer;
+import net.minecraftforge.cauldron.configuration.CauldronConfig;
+import net.minecraftforge.cauldron.CauldronUtils;
+
+import org.bukkit.plugin.PluginDescriptionFile;
+import java.io.*;
+import java.net.JarURLConnection;
+import java.security.CodeSigner;
+import java.security.CodeSource;
+import java.util.concurrent.*;
+// Cauldron end
+
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
@@ -15,16 +33,40 @@
/**
* A ClassLoader for plugins, to allow shared classes across multiple plugins
*/
-final class PluginClassLoader extends URLClassLoader {
+public class PluginClassLoader extends URLClassLoader {
private final JavaPluginLoader loader;
- private final Map<String, Class<?>> classes = new HashMap<String, Class<?>>();
+ private final ConcurrentMap<String, Class<?>> classes = new ConcurrentHashMap<String, Class<?>>(); // Cauldron - Threadsafe classloading
private final PluginDescriptionFile description;
private final File dataFolder;
private final File file;
- final JavaPlugin plugin;
+ JavaPlugin plugin; // Cauldron - remove final
private JavaPlugin pluginInit;
private IllegalStateException pluginState;
+ // Cauldron start
+ private JarRemapper remapper; // class remapper for this plugin, or null
+ private RemapperProcessor remapperProcessor; // secondary; for inheritance & remapping reflection
+ private boolean debug; // classloader debugging
+ private int remapFlags = -1;
+ private static ConcurrentMap<Integer,JarMapping> jarMappings = new ConcurrentHashMap<Integer, JarMapping>();
+ private static final int F_GLOBAL_INHERIT = 1 << 1;
+ private static final int F_REMAP_OBCPRE = 1 << 2;
+ private static final int F_REMAP_NMS152 = 1 << 3;
+ private static final int F_REMAP_NMS164 = 1 << 4;
+ private static final int F_REMAP_NMS172 = 1 << 5;
+ private static final int F_REMAP_NMS179 = 1 << 6;
+ private static final int F_REMAP_NMS1710 = 1 << 7;
+ private static final int F_REMAP_OBC152 = 1 << 8;
+ private static final int F_REMAP_OBC164 = 1 << 9;
+ private static final int F_REMAP_OBC172 = 1 << 10;
+ private static final int F_REMAP_OBC179 = 1 << 11;
+ private static final int F_REMAP_OBC1710 = 1 << 12;
+ private static final int F_REMAP_NMSPRE_MASK= 0xffff0000; // "unversioned" NMS plugin version
+
+ // This trick bypasses Maven Shade's package rewriting when using String literals [same trick in jline]
+ private static final String org_bukkit_craftbukkit = new String(new char[] {'o','r','g','/','b','u','k','k','i','t','/','c','r','a','f','t','b','u','k','k','i','t'});
+ // Cauldron end
+
PluginClassLoader(final JavaPluginLoader loader, final ClassLoader parent, final PluginDescriptionFile description, final File dataFolder, final File file) throws InvalidPluginException, MalformedURLException {
super(new URL[] {file.toURI().toURL()}, parent);
Validate.notNull(loader, "Loader cannot be null");
@@ -34,6 +76,113 @@
this.dataFolder = dataFolder;
this.file = file;
+ // Cauldron start
+
+ String pluginName = this.description.getName();
+
+ // configure default remapper settings
+ boolean useCustomClassLoader = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.custom-class-loader", true);
+ debug = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.debug", false);
+ boolean remapNMS1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R4", true);
+ boolean remapNMS179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R3", true);
+ boolean remapNMS172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R1", true);
+ boolean remapNMS164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_6_R3", true);
+ boolean remapNMS152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_5_R3", true);
+ String remapNMSPre = MinecraftServer.getServer().cauldronConfig.getString("plugin-settings.default.remap-nms-pre", "false");
+ boolean remapOBC1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R4", true);
+ boolean remapOBC179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R3", true);
+ boolean remapOBC172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R1", true);
+ boolean remapOBC164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_6_R3", true);
+ boolean remapOBC152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_5_R3", true);
+ boolean remapOBCPre = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-pre", false);
+ boolean globalInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.global-inheritance", true);
+ boolean pluginInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.plugin-inheritance", true);
+ boolean reflectFields = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-reflect-field", true);
+ boolean reflectClass = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-reflect-class", true);
+ boolean allowFuture = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-allow-future", false);
+
+ // plugin-specific overrides
+ useCustomClassLoader = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".custom-class-loader", useCustomClassLoader, false);
+ debug = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".debug", debug, false);
+ remapNMS1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R4", remapNMS1710, false);
+ remapNMS179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R3", remapNMS179, false);
+ remapNMS172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R1", remapNMS172, false);
+ remapNMS164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_6_R3", remapNMS164, false);
+ remapNMS152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_5_R3", remapNMS152, false);
+ remapNMSPre = MinecraftServer.getServer().cauldronConfig.getString("plugin-settings."+pluginName+".remap-nms-pre", remapNMSPre, false);
+ remapOBC1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R4", remapOBC1710, false);
+ remapOBC179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R3", remapOBC179, false);
+ remapOBC172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R1", remapOBC172, false);
+ remapOBC164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_6_R3", remapOBC164, false);
+ remapOBC152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_5_R3", remapOBC152, false);
+ remapOBCPre = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-pre", remapOBCPre, false);
+ globalInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".global-inheritance", globalInherit, false);
+ pluginInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".plugin-inheritance", pluginInherit, false);
+ reflectFields = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-reflect-field", reflectFields, false);
+ reflectClass = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-reflect-class", reflectClass, false);
+ allowFuture = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-allow-future", allowFuture, false);
+
+ if (debug) {
+ System.out.println("PluginClassLoader debugging enabled for "+pluginName);
+ }
+
+ if (!useCustomClassLoader) {
+ remapper = null;
+ return;
+ }
+
+ int flags = 0;
+ if (remapNMS1710) flags |= F_REMAP_NMS1710;
+ if (remapNMS179) flags |= F_REMAP_NMS179;
+ if (remapNMS172) flags |= F_REMAP_NMS172;
+ if (remapNMS164) flags |= F_REMAP_NMS164;
+ if (remapNMS152) flags |= F_REMAP_NMS152;
+ if (!remapNMSPre.equals("false")) {
+ if (remapNMSPre.equals("1.7.10")) flags |= 0x17100000;
+ else if (remapNMSPre.equals("1.7.9")) flags |= 0x01790000;
+ else if (remapNMSPre.equals("1.7.2")) flags |= 0x01720000;
+ else if (remapNMSPre.equals("1.6.4")) flags |= 0x01640000;
+ else if (remapNMSPre.equals("1.5.2")) flags |= 0x01520000;
+ else {
+ System.out.println("Unsupported nms-remap-pre version '"+remapNMSPre+"', disabling");
+ }
+ }
+ if (remapOBC1710) flags |= F_REMAP_OBC1710;
+ if (remapOBC179) flags |= F_REMAP_OBC179;
+ if (remapOBC172) flags |= F_REMAP_OBC172;
+ if (remapOBC164) flags |= F_REMAP_OBC164;
+ if (remapOBC152) flags |= F_REMAP_OBC152;
+ if (remapOBCPre) flags |= F_REMAP_OBCPRE;
+ if (globalInherit) flags |= F_GLOBAL_INHERIT;
+
+ remapFlags = flags; // used in findClass0
+ JarMapping jarMapping = getJarMapping(flags);
+
+ // Load inheritance map
+ if ((flags & F_GLOBAL_INHERIT) != 0) {
+ if (debug) {
+ System.out.println("Enabling global inheritance remapping");
+ //ClassLoaderProvider.verbose = debug; // TODO: changed in https://github.com/md-5/SpecialSource/commit/132584eda4f0860c9d14f4c142e684a027a128b8#L3L48
+ }
+ jarMapping.setInheritanceMap(loader.getGlobalInheritanceMap());
+ jarMapping.setFallbackInheritanceProvider(new ClassLoaderProvider(this));
+ }
+
+ remapper = new JarRemapper(jarMapping);
+
+ if (pluginInherit || reflectFields || reflectClass) {
+ remapperProcessor = new RemapperProcessor(
+ pluginInherit ? loader.getGlobalInheritanceMap() : null,
+ (reflectFields || reflectClass) ? jarMapping : null);
+
+ remapperProcessor.setRemapReflectField(reflectFields);
+ remapperProcessor.setRemapReflectClass(reflectClass);
+ remapperProcessor.debug = debug;
+ } else {
+ remapperProcessor = null;
+ }
+ // Cauldron end
+
try {
Class<?> jarClass;
try {
@@ -58,34 +207,290 @@
}
@Override
- protected Class<?> findClass(String name) throws ClassNotFoundException {
+ public Class<?> findClass(String name) throws ClassNotFoundException { // Cauldron - public access for plugins to support CB NMS -> MCP class remap
return findClass(name, true);
}
- Class<?> findClass(String name, boolean checkGlobal) throws ClassNotFoundException {
- if (name.startsWith("org.bukkit.") || name.startsWith("net.minecraft.")) {
- throw new ClassNotFoundException(name);
+ // Cauldron start
+ /**
+ * Get the "native" obfuscation version, from our Maven shading version.
+ */
+ public static String getNativeVersion() {
+ // see https://github.com/mbax/VanishNoPacket/blob/master/src/main/java/org/kitteh/vanish/compat/NMSManager.java
+ if (CauldronUtils.deobfuscatedEnvironment()) return "v1_7_R4"; // support plugins in deobf environment
+ final String packageName = org.bukkit.craftbukkit.CraftServer.class.getPackage().getName();
+ return packageName.substring(packageName.lastIndexOf('.') + 1);
+ }
+
+ /**
+ * Load NMS mappings from CraftBukkit mc-dev to repackaged srgnames for FML runtime deobf
+ *
+ * @param jarMapping An existing JarMappings instance to load into
+ * @param obfVersion CraftBukkit version with internal obfuscation counter identifier
+ * >=1.4.7 this is the major version + R#. v1_4_R1=1.4.7, v1_5_R1=1.5, v1_5_R2=1.5.1..
+ * For older versions (including pre-safeguard) it is the full Minecraft version number
+ * @throws IOException
+ */
+ private void loadNmsMappings(JarMapping jarMapping, String obfVersion) throws IOException {
+ Map<String, String> relocations = new HashMap<String, String>();
+ // mc-dev jar to CB, apply version shading (aka plugin safeguard)
+ relocations.put("net.minecraft.server", "net.minecraft.server." + obfVersion);
+
+ // support for running 1.7.10 plugins in Cauldron dev
+ if (CauldronUtils.deobfuscatedEnvironment() && obfVersion.equals("v1_7_R4"))
+ {
+ jarMapping.loadMappings(
+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/cb2pkgmcp.srg"))),
+ new MavenShade(relocations),
+ null, false);
+
+ jarMapping.loadMappings(
+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/obf2pkgmcp.srg"))),
+ null, // no version relocation for obf
+ null, false);
+ // resolve naming conflict in FML/CB
+ jarMapping.methods.put("net/minecraft/server/"+obfVersion+"/PlayerConnection/getPlayer ()Lorg/bukkit/craftbukkit/entity/CraftPlayer;", "getPlayerB");
}
- Class<?> result = classes.get(name);
+ else
+ {
+ jarMapping.loadMappings(
+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/cb2numpkg.srg"))),
+ new MavenShade(relocations),
+ null, false);
- if (result == null) {
- if (checkGlobal) {
- result = loader.getClassByName(name);
+ if (obfVersion.equals("v1_7_R4")) {
+ jarMapping.loadMappings(
+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/obf2numpkg.srg"))),
+ null, // no version relocation for obf
+ null, false);
}
+ // resolve naming conflict in FML/CB
+ jarMapping.methods.put("net/minecraft/server/"+obfVersion+"/PlayerConnection/getPlayer ()Lorg/bukkit/craftbukkit/"+getNativeVersion()+"/entity/CraftPlayer;", "getPlayerB");
+ }
+ // remap bouncycastle to Forge's included copy, not the vanilla obfuscated copy (not in Cauldron), see #133
+ //jarMapping.packages.put("net/minecraft/"+obfVersion+"/org/bouncycastle", "org/bouncycastle"); No longer needed
+ }
+
+ private JarMapping getJarMapping(int flags) {
+ JarMapping jarMapping = jarMappings.get(flags);
+
+ if (jarMapping != null) {
+ if (debug) {
+ System.out.println("Mapping reused for "+Integer.toHexString(flags));
+ }
+ return jarMapping;
+ }
+
+ jarMapping = new JarMapping();
+ try {
+
+ // Guava 10 is part of the Bukkit API, so plugins can use it, but FML includes Guava 15
+ // To resolve this conflict, remap plugin usages to Guava 10 in a separate package
+ // Most plugins should keep this enabled, unless they want a newer Guava
+ jarMapping.packages.put("com/google/common", "guava10/com/google/common");
+ jarMapping.packages.put(org_bukkit_craftbukkit + "/libs/com/google/gson", "com/google/gson"); // Handle Gson being in a "normal" place
+ // Bukkit moves these packages to nms while we keep them in root so we must relocate them for plugins that rely on them
+ jarMapping.packages.put("net/minecraft/util/io", "io");
+ jarMapping.packages.put("net/minecraft/util/com", "com");
+ jarMapping.packages.put("net/minecraft/util/gnu", "gnu");
+ jarMapping.packages.put("net/minecraft/util/org", "org");
+
+ if ((flags & F_REMAP_NMS1710) != 0) {
+ loadNmsMappings(jarMapping, "v1_7_R4");
+ }
+
+ if ((flags & F_REMAP_NMS179) != 0) {
+ loadNmsMappings(jarMapping, "v1_7_R3");
+ }
+
+ if ((flags & F_REMAP_NMS172) != 0) {
+ loadNmsMappings(jarMapping, "v1_7_R1");
+ }
+
+ if ((flags & F_REMAP_NMS164) != 0) {
+ loadNmsMappings(jarMapping, "v1_6_R3");
+ }
+
+ if ((flags & F_REMAP_NMS152) != 0) {
+ loadNmsMappings(jarMapping, "v1_5_R3");
+ }
+
+ if ((flags & F_REMAP_OBC1710) != 0) {
+ if (CauldronUtils.deobfuscatedEnvironment())
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R4", org_bukkit_craftbukkit);
+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R4", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_OBC179) != 0) {
+ if (CauldronUtils.deobfuscatedEnvironment())
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R3", org_bukkit_craftbukkit);
+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R3", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_OBC172) != 0) {
+ if (CauldronUtils.deobfuscatedEnvironment())
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R1", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R1", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_OBC164) != 0) {
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_6_R3", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_OBC152) != 0) {
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_5_R3", org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_OBCPRE) != 0) {
+ // enabling unversioned obc not currently compatible with versioned obc plugins (overmapped) -
+ // admins should enable remap-obc-pre on a per-plugin basis, as needed
+ // then map unversioned to current version
+ jarMapping.packages.put(org_bukkit_craftbukkit+"/libs/org/objectweb/asm", "org/objectweb/asm"); // ?
+ jarMapping.packages.put(org_bukkit_craftbukkit, org_bukkit_craftbukkit+"/"+getNativeVersion());
+ }
+
+ if ((flags & F_REMAP_NMSPRE_MASK) != 0) {
+ String obfVersion;
+ switch (flags & F_REMAP_NMSPRE_MASK)
+ {
+ case 0x17100000: obfVersion = "v1_7_R4"; break;
+ case 0x01790000: obfVersion = "v1_7_R3"; break;
+ case 0x01720000: obfVersion = "v1_7_R1"; break;
+ case 0x01640000: obfVersion = "v1_6_R3"; break;
+ case 0x01510000: obfVersion = "v1_5_R2"; break;
+ default: throw new IllegalArgumentException("Invalid unversioned mapping flags: "+Integer.toHexString(flags & F_REMAP_NMSPRE_MASK)+" in "+Integer.toHexString(flags));
+ }
+
+ jarMapping.loadMappings(
+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/" + obfVersion + "/cb2numpkg.srg"))),
+ null, // no version relocation!
+ null, false);
+ }
+
+ System.out.println("Mapping loaded "+jarMapping.packages.size()+" packages, "+jarMapping.classes.size()+" classes, "+jarMapping.fields.size()+" fields, "+jarMapping.methods.size()+" methods, flags "+Integer.toHexString(flags));
+
+ JarMapping currentJarMapping = jarMappings.putIfAbsent(flags, jarMapping);
+ return currentJarMapping == null ? jarMapping : currentJarMapping;
+ } catch (IOException ex) {
+ ex.printStackTrace();
+ throw new RuntimeException(ex);
+ }
+ }
+
+ Class<?> findClass(String name, boolean checkGlobal) throws ClassNotFoundException {
+ // Cauldron start - remap any calls for classes with packaged nms version
+ if (name.startsWith("net.minecraft."))
+ {
+ JarMapping jarMapping = this.getJarMapping(remapFlags); // grab from SpecialSource
+ String remappedClass = jarMapping.classes.get(name.replaceAll("\\.", "\\/")); // get remapped pkgmcp class name
+ Class<?> clazz = ((net.minecraft.launchwrapper.LaunchClassLoader)MinecraftServer.getServer().getClass().getClassLoader()).findClass(remappedClass);
+ return clazz;
+ }
+ if (name.startsWith("org.bukkit.")) {
+ if (debug) {
+ System.out.println("Unexpected plugin findClass on OBC/NMS: name="+name+", checkGlobal="+checkGlobal+"; returning not found");
+ }
+ throw new ClassNotFoundException(name);
+ }
+ // custom loader, if enabled, threadsafety
+ synchronized (name.intern()) {
+ Class<?> result = classes.get(name);
+
if (result == null) {
- result = super.findClass(name);
+ if (checkGlobal) {
+ result = loader.getClassByName(name); // Don't warn on deprecation, but maintain overridability
+ }
+ if (result == null) {
+ if (remapper == null) {
+ result = super.findClass(name);
+ } else {
+ result = remappedFindClass(name);
+ }
+
+ if (result != null) {
+ loader.setClass(name, result);
+ }
+ }
if (result != null) {
- loader.setClass(name, result);
+ Class<?> old = classes.putIfAbsent(name, result);
+ if (old != null && old != result) {
+ System.err.println("Defined class " + name + " twice as different classes, " + result + " and " + old);
+ result = old;
+ }
}
}
- classes.put(name, result);
+ return result;
}
+ // Cauldron end
+ }
+ private Class<?> remappedFindClass(String name) throws ClassNotFoundException {
+ Class<?> result = null;
+ try {
+ // Load the resource to the name
+ String path = name.replace('.', '/').concat(".class");
+ URL url = this.findResource(path);
+ if (url != null) {
+ InputStream stream = url.openStream();
+ if (stream != null) {
+ byte[] bytecode = null;
+
+ // Reflection remap and inheritance extract
+ if (remapperProcessor != null) {
+ // add to inheritance map
+ bytecode = remapperProcessor.process(stream);
+ if (bytecode == null) stream = url.openStream();
+ }
+
+ /*if (bytecode == null) {
+ bytecode = Streams.readAll(stream);
+ }*/
+
+ // Remap the classes
+ byte[] remappedBytecode = remapper.remapClassFile(bytecode, RuntimeRepo.getInstance());
+
+ if (debug) {
+ File file = new File("remapped-plugin-classes/"+name+".class");
+ file.getParentFile().mkdirs();
+ try {
+ FileOutputStream fileOutputStream = new FileOutputStream(file);
+ fileOutputStream.write(remappedBytecode);
+ fileOutputStream.close();
+ } catch (IOException ex) {
+ ex.printStackTrace();
+ }
+ }
+
+ // Define (create) the class using the modified byte code
+ // The top-child class loader is used for this to prevent access violations
+ // Set the codesource to the jar, not within the jar, for compatibility with
+ // plugins that do new File(getClass().getProtectionDomain().getCodeSource().getLocation().toURI()))
+ // instead of using getResourceAsStream - see https://github.com/MinecraftPortCentral/Cauldron-Plus/issues/75
+ JarURLConnection jarURLConnection = (JarURLConnection) url.openConnection(); // parses only
+ URL jarURL = jarURLConnection.getJarFileURL();
+ CodeSource codeSource = new CodeSource(jarURL, new CodeSigner[0]);
+
+ result = this.defineClass(name, remappedBytecode, 0, remappedBytecode.length, codeSource);
+ if (result != null) {
+ // Resolve it - sets the class loader of the class
+ this.resolveClass(result);
+ }
+ }
+ }
+ } catch (Throwable t) {
+ if (debug) {
+ System.out.println("remappedFindClass("+name+") exception: "+t);
+ t.printStackTrace();
+ }
+ throw new ClassNotFoundException("Failed to remap class "+name, t);
+ }
+
return result;
}
+ // Cauldron end
Set<String> getClasses() {
return classes.keySet();
View Git Blame Copy Permalink