129 lines
No EOL
4.8 KiB
JavaScript
129 lines
No EOL
4.8 KiB
JavaScript
// entry point
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function main(stage, parameters) {
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if (!parameters.redirectHost) {
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console.log("redirectHost parameter not specified!\nEdit your gadget.config and specify redirectHost in \"parameters\" section.");
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return;
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}
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// Redirect http requests
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const UnityWebRequestSetUrlPtr = Helpers.FindMethodImpl("UnityEngine.UnityWebRequestModule.dll", "UnityEngine.Networking", "UnityWebRequest", "set_url", 1);
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const UriCtorPtr = Helpers.FindMethodImpl("System.dll", "System", "Uri", ".ctor", 1);
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console.log("Found UnityWebRequest::set_url at " + UnityWebRequestSetUrlPtr);
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console.log("Found Uri::ctor at " + UriCtorPtr);
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RedirectCallback.targetHost = parameters.redirectHost;
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Interceptor.attach(UnityWebRequestSetUrlPtr, RedirectCallback);
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Interceptor.attach(UriCtorPtr, RedirectCallback);
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console.log("Attached successfully, will redirect all requests to: " + parameters.redirectHost);
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CensorshipPatch.init();
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// Hook ZFGameBrowser to redirect in-game WebView
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const BrowserLoadURL = Helpers.FindMethodImpl("ZFBrowser.dll", "ZenFulcrum.EmbeddedBrowser", "Browser", "LoadURL", 2);
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if (BrowserLoadURL) {
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Interceptor.attach(BrowserLoadURL, {
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onEnter(args) {
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var requestUrl = args[1].readCSharpString();
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var prefix = requestUrl.split('/', 3).join('/');
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args[1] = Il2cppApiWrap.AllocateString(requestUrl.replace(prefix, parameters.redirectHost));
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console.log("EmbeddedBrowser redirected: " + args[1].readCSharpString());
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}
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});
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console.log("Successfully hooked EmbeddedBrowser");
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}
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else {
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console.log("zfbrowser not found");
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}
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}
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const CensorshipPatch = {
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init() {
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const OnTriggerCameraElevationDitherPtr = Helpers.FindMethodImpl("Assembly-CSharp.dll", "RPG.Client", "AdventurePhase", "_OnTriggerCameraElevationDither", 1);
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Memory.protect(OnTriggerCameraElevationDitherPtr, 1, "rwx");
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OnTriggerCameraElevationDitherPtr.writeU8(0xC3); // RET
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console.log("OnTriggerCameraElevationDither patched successfully, gameplay quality increased by 200%");
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}
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}
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const RedirectCallback = {
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onEnter(args) {
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var requestUrl = args[1].readCSharpString();
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if (requestUrl.startsWith("http://") || requestUrl.startsWith("https://")) {
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if (requestUrl.includes(RedirectCallback.targetHost)) return; // already redirected
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var prefix = requestUrl.split('/', 3).join('/');
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args[1] = Il2cppApiWrap.AllocateString(requestUrl.replace(prefix, RedirectCallback.targetHost));
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console.log("redirected: " + args[1].readCSharpString());
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}
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}
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};
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const Helpers = {
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FindMethodImpl(moduleName, namespace, className, methodName, argCount) {
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const module = Il2cppApiWrap.GetImageByName(moduleName);
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if (module.equals(ptr(0))) return null;
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const il2cppClass = Il2cppApiWrap.GetClassByName(module, namespace, className);
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if (il2cppClass.equals(ptr(0))) return null;
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const il2cppMethod = Il2cppApiWrap.GetClassMethodByName(il2cppClass, methodName, argCount);
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if (il2cppMethod.equals(ptr(0))) return null;
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return il2cppMethod.readPointer();
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}
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}
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const Il2cppApiWrap = {
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AllocateString(value) {
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const pValue = Memory.allocUtf16String(value);
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return this.CallApiFunction('il2cpp_string_new_utf16', 'pointer', ['pointer', 'int'], [pValue, value.length]);
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},
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GetClassMethodByName(il2cppClass, name, argsCount) {
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const pName = Memory.allocUtf8String(name);
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return this.CallApiFunction('il2cpp_class_get_method_from_name', 'pointer', ['pointer', 'pointer', 'int'], [il2cppClass, pName, argsCount]);
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},
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GetClassByName(il2cppImage, namespace, name) {
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const pNamespace = Memory.allocUtf8String(namespace);
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const pName = Memory.allocUtf8String(name);
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return this.CallApiFunction('il2cpp_class_from_name', 'pointer', ['pointer', 'pointer', 'pointer'], [il2cppImage, pNamespace, pName]);
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},
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GetImageByName(name) {
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const domain = this.CallApiFunction('il2cpp_domain_get', 'pointer', [], []);
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const sizeOut = Memory.alloc(8);
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const assemblies = this.CallApiFunction('il2cpp_domain_get_assemblies', 'pointer', ['pointer', 'pointer'], [domain, sizeOut]);
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const size = sizeOut.readU64();
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for (var i = 0; i < size; i++) {
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const assembly = assemblies.add(i * 8).readPointer();
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const il2cppImage = this.CallApiFunction('il2cpp_assembly_get_image', 'pointer', ['pointer'], [assembly]);
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const imageName = this.CallApiFunction('il2cpp_image_get_name', 'pointer', ['pointer'], [il2cppImage]);
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if (imageName.readUtf8String() == name) {
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return il2cppImage;
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}
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}
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return null;
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},
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CallApiFunction(name, rettype, argTypes, args) {
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const nativeFunction = new NativeFunction(Module.findExportByName(null, name), rettype, argTypes);
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return nativeFunction.apply(nativeFunction, args);
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}
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}
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NativePointer.prototype.readCSharpString = function() {
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var length = this.add(16).readInt();
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return this.add(20).readUtf16String(length);
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}
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rpc.exports.init = main; |