forked from xjboss/KCauldronX
487 lines
27 KiB
Diff
487 lines
27 KiB
Diff
--- ../src-base/minecraft/org/bukkit/plugin/java/PluginClassLoader.java
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+++ ../src-work/minecraft/org/bukkit/plugin/java/PluginClassLoader.java
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@@ -1,5 +1,23 @@
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package org.bukkit.plugin.java;
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+// Cauldron start
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+import net.md_5.specialsource.provider.ClassLoaderProvider;
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+import net.md_5.specialsource.transformer.MavenShade;
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+//import org.bouncycastle.util.io.Streams;
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+import net.md_5.specialsource.*;
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+import net.md_5.specialsource.repo.*;
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+import net.minecraft.server.MinecraftServer;
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+import net.minecraftforge.cauldron.configuration.CauldronConfig;
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+import net.minecraftforge.cauldron.CauldronUtils;
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+
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+import org.bukkit.plugin.PluginDescriptionFile;
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+import java.io.*;
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+import java.net.JarURLConnection;
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+import java.security.CodeSigner;
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+import java.security.CodeSource;
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+import java.util.concurrent.*;
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+// Cauldron end
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+
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import java.io.File;
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import java.net.MalformedURLException;
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import java.net.URL;
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@@ -15,16 +33,40 @@
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/**
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* A ClassLoader for plugins, to allow shared classes across multiple plugins
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*/
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-final class PluginClassLoader extends URLClassLoader {
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+public class PluginClassLoader extends URLClassLoader {
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private final JavaPluginLoader loader;
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- private final Map<String, Class<?>> classes = new HashMap<String, Class<?>>();
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+ private final ConcurrentMap<String, Class<?>> classes = new ConcurrentHashMap<String, Class<?>>(); // Cauldron - Threadsafe classloading
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private final PluginDescriptionFile description;
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private final File dataFolder;
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private final File file;
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- final JavaPlugin plugin;
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+ JavaPlugin plugin; // Cauldron - remove final
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private JavaPlugin pluginInit;
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private IllegalStateException pluginState;
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+ // Cauldron start
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+ private JarRemapper remapper; // class remapper for this plugin, or null
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+ private RemapperProcessor remapperProcessor; // secondary; for inheritance & remapping reflection
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+ private boolean debug; // classloader debugging
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+ private int remapFlags = -1;
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+ private static ConcurrentMap<Integer,JarMapping> jarMappings = new ConcurrentHashMap<Integer, JarMapping>();
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+ private static final int F_GLOBAL_INHERIT = 1 << 1;
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+ private static final int F_REMAP_OBCPRE = 1 << 2;
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+ private static final int F_REMAP_NMS152 = 1 << 3;
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+ private static final int F_REMAP_NMS164 = 1 << 4;
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+ private static final int F_REMAP_NMS172 = 1 << 5;
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+ private static final int F_REMAP_NMS179 = 1 << 6;
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+ private static final int F_REMAP_NMS1710 = 1 << 7;
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+ private static final int F_REMAP_OBC152 = 1 << 8;
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+ private static final int F_REMAP_OBC164 = 1 << 9;
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+ private static final int F_REMAP_OBC172 = 1 << 10;
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+ private static final int F_REMAP_OBC179 = 1 << 11;
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+ private static final int F_REMAP_OBC1710 = 1 << 12;
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+ private static final int F_REMAP_NMSPRE_MASK= 0xffff0000; // "unversioned" NMS plugin version
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+
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+ // This trick bypasses Maven Shade's package rewriting when using String literals [same trick in jline]
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+ 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'});
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+ // Cauldron end
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+
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PluginClassLoader(final JavaPluginLoader loader, final ClassLoader parent, final PluginDescriptionFile description, final File dataFolder, final File file) throws InvalidPluginException, MalformedURLException {
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super(new URL[] {file.toURI().toURL()}, parent);
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Validate.notNull(loader, "Loader cannot be null");
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@@ -34,6 +76,113 @@
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this.dataFolder = dataFolder;
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this.file = file;
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+ // Cauldron start
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+
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+ String pluginName = this.description.getName();
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+
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+ // configure default remapper settings
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+ boolean useCustomClassLoader = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.custom-class-loader", true);
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+ debug = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.debug", false);
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+ boolean remapNMS1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R4", true);
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+ boolean remapNMS179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R3", true);
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+ boolean remapNMS172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_7_R1", true);
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+ boolean remapNMS164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_6_R3", true);
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+ boolean remapNMS152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-nms-v1_5_R3", true);
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+ String remapNMSPre = MinecraftServer.getServer().cauldronConfig.getString("plugin-settings.default.remap-nms-pre", "false");
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+ boolean remapOBC1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R4", true);
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+ boolean remapOBC179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R3", true);
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+ boolean remapOBC172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_7_R1", true);
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+ boolean remapOBC164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_6_R3", true);
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+ boolean remapOBC152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-v1_5_R3", true);
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+ boolean remapOBCPre = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-obc-pre", false);
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+ boolean globalInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.global-inheritance", true);
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+ boolean pluginInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.plugin-inheritance", true);
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+ boolean reflectFields = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-reflect-field", true);
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+ boolean reflectClass = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-reflect-class", true);
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+ boolean allowFuture = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings.default.remap-allow-future", false);
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+
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+ // plugin-specific overrides
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+ useCustomClassLoader = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".custom-class-loader", useCustomClassLoader, false);
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+ debug = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".debug", debug, false);
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+ remapNMS1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R4", remapNMS1710, false);
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+ remapNMS179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R3", remapNMS179, false);
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+ remapNMS172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_7_R1", remapNMS172, false);
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+ remapNMS164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_6_R3", remapNMS164, false);
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+ remapNMS152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-nms-v1_5_R3", remapNMS152, false);
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+ remapNMSPre = MinecraftServer.getServer().cauldronConfig.getString("plugin-settings."+pluginName+".remap-nms-pre", remapNMSPre, false);
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+ remapOBC1710 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R4", remapOBC1710, false);
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+ remapOBC179 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R3", remapOBC179, false);
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+ remapOBC172 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_7_R1", remapOBC172, false);
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+ remapOBC164 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_6_R3", remapOBC164, false);
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+ remapOBC152 = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-v1_5_R3", remapOBC152, false);
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+ remapOBCPre = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-obc-pre", remapOBCPre, false);
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+ globalInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".global-inheritance", globalInherit, false);
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+ pluginInherit = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".plugin-inheritance", pluginInherit, false);
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+ reflectFields = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-reflect-field", reflectFields, false);
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+ reflectClass = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-reflect-class", reflectClass, false);
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+ allowFuture = MinecraftServer.getServer().cauldronConfig.getBoolean("plugin-settings."+pluginName+".remap-allow-future", allowFuture, false);
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+
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+ if (debug) {
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+ System.out.println("PluginClassLoader debugging enabled for "+pluginName);
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+ }
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+
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+ if (!useCustomClassLoader) {
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+ remapper = null;
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+ return;
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+ }
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+
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+ int flags = 0;
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+ if (remapNMS1710) flags |= F_REMAP_NMS1710;
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+ if (remapNMS179) flags |= F_REMAP_NMS179;
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+ if (remapNMS172) flags |= F_REMAP_NMS172;
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+ if (remapNMS164) flags |= F_REMAP_NMS164;
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+ if (remapNMS152) flags |= F_REMAP_NMS152;
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+ if (!remapNMSPre.equals("false")) {
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+ if (remapNMSPre.equals("1.7.10")) flags |= 0x17100000;
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+ else if (remapNMSPre.equals("1.7.9")) flags |= 0x01790000;
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+ else if (remapNMSPre.equals("1.7.2")) flags |= 0x01720000;
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+ else if (remapNMSPre.equals("1.6.4")) flags |= 0x01640000;
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+ else if (remapNMSPre.equals("1.5.2")) flags |= 0x01520000;
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+ else {
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+ System.out.println("Unsupported nms-remap-pre version '"+remapNMSPre+"', disabling");
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+ }
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+ }
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+ if (remapOBC1710) flags |= F_REMAP_OBC1710;
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+ if (remapOBC179) flags |= F_REMAP_OBC179;
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+ if (remapOBC172) flags |= F_REMAP_OBC172;
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+ if (remapOBC164) flags |= F_REMAP_OBC164;
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+ if (remapOBC152) flags |= F_REMAP_OBC152;
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+ if (remapOBCPre) flags |= F_REMAP_OBCPRE;
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+ if (globalInherit) flags |= F_GLOBAL_INHERIT;
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+
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+ remapFlags = flags; // used in findClass0
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+ JarMapping jarMapping = getJarMapping(flags);
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+
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+ // Load inheritance map
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+ if ((flags & F_GLOBAL_INHERIT) != 0) {
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+ if (debug) {
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+ System.out.println("Enabling global inheritance remapping");
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+ //ClassLoaderProvider.verbose = debug; // TODO: changed in https://github.com/md-5/SpecialSource/commit/132584eda4f0860c9d14f4c142e684a027a128b8#L3L48
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+ }
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+ jarMapping.setInheritanceMap(loader.getGlobalInheritanceMap());
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+ jarMapping.setFallbackInheritanceProvider(new ClassLoaderProvider(this));
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+ }
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+
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+ remapper = new kcauldron.KCauldronRemapper(jarMapping);
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+
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+ if (pluginInherit || reflectFields || reflectClass) {
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+ remapperProcessor = new RemapperProcessor(
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+ pluginInherit ? loader.getGlobalInheritanceMap() : null,
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+ (reflectFields || reflectClass) ? jarMapping : null);
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+
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+ remapperProcessor.setRemapReflectField(reflectFields);
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+ remapperProcessor.setRemapReflectClass(reflectClass);
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+ remapperProcessor.debug = debug;
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+ } else {
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+ remapperProcessor = null;
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+ }
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+ // Cauldron end
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+
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try {
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Class<?> jarClass;
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try {
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@@ -58,34 +207,290 @@
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}
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@Override
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- protected Class<?> findClass(String name) throws ClassNotFoundException {
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+ public Class<?> findClass(String name) throws ClassNotFoundException { // Cauldron - public access for plugins to support CB NMS -> MCP class remap
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return findClass(name, true);
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}
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- Class<?> findClass(String name, boolean checkGlobal) throws ClassNotFoundException {
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- if (name.startsWith("org.bukkit.") || name.startsWith("net.minecraft.")) {
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- throw new ClassNotFoundException(name);
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+ // Cauldron start
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+ /**
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+ * Get the "native" obfuscation version, from our Maven shading version.
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+ */
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+ public static String getNativeVersion() {
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+ // see https://github.com/mbax/VanishNoPacket/blob/master/src/main/java/org/kitteh/vanish/compat/NMSManager.java
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+ if (CauldronUtils.deobfuscatedEnvironment()) return "v1_7_R4"; // support plugins in deobf environment
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+ final String packageName = org.bukkit.craftbukkit.CraftServer.class.getPackage().getName();
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+ return packageName.substring(packageName.lastIndexOf('.') + 1);
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+ }
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+
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+ /**
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+ * Load NMS mappings from CraftBukkit mc-dev to repackaged srgnames for FML runtime deobf
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+ *
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+ * @param jarMapping An existing JarMappings instance to load into
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+ * @param obfVersion CraftBukkit version with internal obfuscation counter identifier
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+ * >=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..
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+ * For older versions (including pre-safeguard) it is the full Minecraft version number
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+ * @throws IOException
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+ */
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+ private void loadNmsMappings(JarMapping jarMapping, String obfVersion) throws IOException {
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+ Map<String, String> relocations = new HashMap<String, String>();
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+ // mc-dev jar to CB, apply version shading (aka plugin safeguard)
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+ relocations.put("net.minecraft.server", "net.minecraft.server." + obfVersion);
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+
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+ // support for running 1.7.10 plugins in Cauldron dev
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+ if (CauldronUtils.deobfuscatedEnvironment() && obfVersion.equals("v1_7_R4"))
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+ {
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+ jarMapping.loadMappings(
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+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/cb2pkgmcp.srg"))),
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+ new MavenShade(relocations),
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+ null, false);
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+
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+ jarMapping.loadMappings(
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+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/obf2pkgmcp.srg"))),
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+ null, // no version relocation for obf
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+ null, false);
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+ // resolve naming conflict in FML/CB
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+ jarMapping.methods.put("net/minecraft/server/"+obfVersion+"/PlayerConnection/getPlayer ()Lorg/bukkit/craftbukkit/entity/CraftPlayer;", "getPlayerB");
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}
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- Class<?> result = classes.get(name);
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+ else
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+ {
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+ jarMapping.loadMappings(
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+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/cb2numpkg.srg"))),
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+ new MavenShade(relocations),
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+ null, false);
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- if (result == null) {
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- if (checkGlobal) {
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- result = loader.getClassByName(name);
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+ if (obfVersion.equals("v1_7_R4")) {
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+ jarMapping.loadMappings(
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+ new BufferedReader(new InputStreamReader(loader.getClass().getClassLoader().getResourceAsStream("mappings/"+obfVersion+"/obf2numpkg.srg"))),
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+ null, // no version relocation for obf
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+ null, false);
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}
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+ // resolve naming conflict in FML/CB
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+ jarMapping.methods.put("net/minecraft/server/"+obfVersion+"/PlayerConnection/getPlayer ()Lorg/bukkit/craftbukkit/"+getNativeVersion()+"/entity/CraftPlayer;", "getPlayerB");
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+ }
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+ // remap bouncycastle to Forge's included copy, not the vanilla obfuscated copy (not in Cauldron), see #133
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+ //jarMapping.packages.put("net/minecraft/"+obfVersion+"/org/bouncycastle", "org/bouncycastle"); No longer needed
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+ }
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+
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+ private JarMapping getJarMapping(int flags) {
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+ JarMapping jarMapping = jarMappings.get(flags);
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+
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+ if (jarMapping != null) {
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+ if (debug) {
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+ System.out.println("Mapping reused for "+Integer.toHexString(flags));
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+ }
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+ return jarMapping;
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+ }
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+
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+ jarMapping = new JarMapping();
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+ try {
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+
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+ // Guava 10 is part of the Bukkit API, so plugins can use it, but FML includes Guava 15
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+ // To resolve this conflict, remap plugin usages to Guava 10 in a separate package
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+ // Most plugins should keep this enabled, unless they want a newer Guava
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+ jarMapping.packages.put("com/google/common", "guava10/com/google/common");
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+ jarMapping.packages.put(org_bukkit_craftbukkit + "/libs/com/google/gson", "com/google/gson"); // Handle Gson being in a "normal" place
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+ // Bukkit moves these packages to nms while we keep them in root so we must relocate them for plugins that rely on them
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+ jarMapping.packages.put("net/minecraft/util/io", "io");
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+ jarMapping.packages.put("net/minecraft/util/com", "com");
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+ jarMapping.packages.put("net/minecraft/util/gnu", "gnu");
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+ jarMapping.packages.put("net/minecraft/util/org", "org");
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+
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+ if ((flags & F_REMAP_NMS1710) != 0) {
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+ loadNmsMappings(jarMapping, "v1_7_R4");
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+ }
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+
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+ if ((flags & F_REMAP_NMS179) != 0) {
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+ loadNmsMappings(jarMapping, "v1_7_R3");
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+ }
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+
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+ if ((flags & F_REMAP_NMS172) != 0) {
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+ loadNmsMappings(jarMapping, "v1_7_R1");
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+ }
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+
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+ if ((flags & F_REMAP_NMS164) != 0) {
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+ loadNmsMappings(jarMapping, "v1_6_R3");
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+ }
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+
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+ if ((flags & F_REMAP_NMS152) != 0) {
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+ loadNmsMappings(jarMapping, "v1_5_R3");
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+ }
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+
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+ if ((flags & F_REMAP_OBC1710) != 0) {
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+ if (CauldronUtils.deobfuscatedEnvironment())
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+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R4", org_bukkit_craftbukkit);
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+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R4", org_bukkit_craftbukkit+"/"+getNativeVersion());
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+ }
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+
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+ if ((flags & F_REMAP_OBC179) != 0) {
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+ if (CauldronUtils.deobfuscatedEnvironment())
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+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R3", org_bukkit_craftbukkit);
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+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R3", org_bukkit_craftbukkit+"/"+getNativeVersion());
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+ }
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+
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+ if ((flags & F_REMAP_OBC172) != 0) {
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+ if (CauldronUtils.deobfuscatedEnvironment())
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+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R1", org_bukkit_craftbukkit+"/"+getNativeVersion());
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+ else jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_7_R1", org_bukkit_craftbukkit+"/"+getNativeVersion());
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+ }
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+
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+ if ((flags & F_REMAP_OBC164) != 0) {
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+ jarMapping.packages.put(org_bukkit_craftbukkit+"/v1_6_R3", org_bukkit_craftbukkit+"/"+getNativeVersion());
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+ }
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+
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+ 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();
|