Fix boot as forge mod

arclight-forge/src/main/java/io/izzel/arclight/boot/mod/ModBootstrap.java

@@ -7,6 +7,7 @@ import cpw.mods.jarhandling.impl.Jar;
 import cpw.mods.modlauncher.LaunchPluginHandler;
 import cpw.mods.modlauncher.Launcher;
 import cpw.mods.modlauncher.serviceapi.ILaunchPluginService;
+import cpw.mods.util.LambdaExceptionUtils;
 import io.izzel.arclight.api.Unsafe;
 import io.izzel.arclight.boot.AbstractBootstrap;
 import io.izzel.arclight.boot.asm.ArclightImplementer;
@@ -15,14 +16,22 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.MarkerManager;
 
 import java.io.File;
+import java.io.InputStream;
 import java.lang.invoke.MethodType;
 import java.lang.module.Configuration;
+import java.lang.module.ModuleDescriptor;
 import java.lang.module.ModuleFinder;
 import java.lang.module.ResolvedModule;
+import java.net.URI;
+import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.security.CodeSigner;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
+import java.util.jar.Manifest;
 
 public class ModBootstrap extends AbstractBootstrap {
 
@@ -119,12 +128,50 @@ public class ModBootstrap extends AbstractBootstrap {
         var rootField = ModuleClassLoader.class.getDeclaredField("resolvedRoots");
         var resolvedRoots = (Map<String, Object>) Unsafe.getObject(classLoader, Unsafe.objectFieldOffset(rootField));
         var moduleRefCtor = Unsafe.lookup().findConstructor(Class.forName("cpw.mods.cl.JarModuleFinder$JarModuleReference"),
-            MethodType.methodType(void.class, Jar.class));
+            MethodType.methodType(void.class, SecureJar.ModuleDataProvider.class));
         for (var mod : conf.modules()) {
             for (var pk : mod.reference().descriptor().packages()) {
                 packageLookup.put(pk, mod);
             }
-            resolvedRoots.put(mod.name(), moduleRefCtor.invokeWithArguments(secureJar));
+            resolvedRoots.put(mod.name(), moduleRefCtor.invokeWithArguments(new JarModuleDataProvider((Jar) secureJar)));
+        }
+    }
+
+    private record JarModuleDataProvider(Jar jar) implements SecureJar.ModuleDataProvider {
+
+        @Override
+        public String name() {
+            return jar.name();
+        }
+
+        @Override
+        public ModuleDescriptor descriptor() {
+            return jar.computeDescriptor();
+        }
+
+        @Override
+        public URI uri() {
+            return jar.getURI();
+        }
+
+        @Override
+        public Optional<URI> findFile(final String name) {
+            return jar.findFile(name);
+        }
+
+        @Override
+        public Optional<InputStream> open(final String name) {
+            return jar.findFile(name).map(Paths::get).map(LambdaExceptionUtils.rethrowFunction(Files::newInputStream));
+        }
+
+        @Override
+        public Manifest getManifest() {
+            return jar.getManifest();
+        }
+
+        @Override
+        public CodeSigner[] verifyAndGetSigners(final String cname, final byte[] bytes) {
+            return jar.verifyAndGetSigners(cname, bytes);
         }
     }
 }