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Pyoncord changes

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This commit is contained in:
Amsyar Rasyiq 2023-05-20 16:30:21 +00:00
parent bf86fe0d77
commit 1525f3c1fb
1 changed files with 34 additions and 22 deletions
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56
app/src/main/kotlin/dev/beefers/vendetta/xposed/Main.kt
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@ -18,8 +18,17 @@ import io.ktor.client.engine.cio.*
import io.ktor.client.statement.*
import io.ktor.client.plugins.*
import io.ktor.http.*
import kotlinx.serialization.Serializable
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json
class Main : IXposedHookZygoteInit, IXposedHookLoadPackage {
companion object {
const val LOG_TAG = "Pyoncord"
const val DEFAULT_ENDPOINT = "https://raw.githubusercontent.com/pyoncord/pyoncord/builds/pyoncord.js"
}
private lateinit var resources: XModuleResources
// Assign module resources in process zygote
@ -31,23 +40,24 @@ class Main : IXposedHookZygoteInit, IXposedHookLoadPackage {
override fun handleLoadPackage(param: XC_LoadPackage.LoadPackageParam) = with(param) {
val catalystInstance = try {
classLoader.loadClass("com.facebook.react.bridge.CatalystInstanceImpl")
} catch (e: ClassNotFoundException) {
} catch (e: ClassNotFoundException) {
// Package is not the target app, return
return@with
}
val cache = File(appInfo.dataDir, "cache").also { it.mkdirs() }
val bundle = File(cache, "pyoncord.js")
val etag = File(cache, "pyoncord_etag.txt")
val files = File(appInfo.dataDir, "files").also { it.mkdirs() }
val pyoncordFd = File(files, "pyoncord").also { it.mkdirs() }
val scope = MainScope()
val httpJob = scope.async(Dispatchers.IO) {
val bundle = File(pyoncordFd, "pyoncord.js")
val etag = File(pyoncordFd, "~$.etag")
val httpJob = GlobalScope.launch(Dispatchers.IO) {
try {
val client = HttpClient(CIO) {
install(HttpTimeout) { requestTimeoutMillis = 1000 }
install(UserAgent) { agent = "PyoncordXposed" }
}
val response: HttpResponse = client.get("https://raw.githubusercontent.com/pyoncord/pyoncord/builds/pyoncord.js") {
val response: HttpResponse = client.get(DEFAULT_ENDPOINT) {
headers { if (etag.exists() && bundle.exists()) append(HttpHeaders.IfNoneMatch, etag.readText()) }
}
@ -56,9 +66,9 @@ class Main : IXposedHookZygoteInit, IXposedHookLoadPackage {
if (response.headers.contains("Etag")) etag.writeText(response.headers["Etag"] as String)
}
return@async
return@launch
} catch (e: Exception) {
Log.e("Pyoncord", "Failed to download pyoncord.js bundle")
Log.e(LOG_TAG, "Failed to download pyoncord.js bundle")
}
}
@ -66,21 +76,23 @@ class Main : IXposedHookZygoteInit, IXposedHookLoadPackage {
val loadScriptFromFile = catalystInstance.getDeclaredMethod("jniLoadScriptFromFile", String::class.java, String::class.java, Boolean::class.javaPrimitiveType)
// TODO: Loader config
val hook = object: XC_MethodHook() {
override fun beforeHookedMethod(param: MethodHookParam) = with(param) {
Log.i(LOG_TAG, "Hooking ${method.name} to load Pyoncord")
val hook = object : XC_MethodHook() {
override fun beforeHookedMethod(param: MethodHookParam) {
XposedBridge.invokeOriginalMethod(loadScriptFromAssets,param.thisObject, arrayOf(resources.assets, "assets://js/modules.js", true))
XposedBridge.invokeOriginalMethod(loadScriptFromAssets, param.thisObject, arrayOf(resources.assets, "assets://js/identity.js", true))
}
// Load pre-patches and identity
XposedBridge.invokeOriginalMethod(loadScriptFromAssets, thisObject, arrayOf(resources.assets, "assets://js/modules.js", true))
XposedBridge.invokeOriginalMethod(loadScriptFromAssets, thisObject, arrayOf(resources.assets, "assets://js/identity.js", true))
// Invoke the original method
XposedBridge.invokeOriginalMethod(method, thisObject, args)
override fun afterHookedMethod(param: MethodHookParam) {
scope.launch(scope.coroutineContext) {
try {
httpJob.await()
Log.d("Pyoncord", "Executing Pyoncord")
XposedBridge.invokeOriginalMethod(loadScriptFromFile, param.thisObject, arrayOf(bundle.absolutePath, bundle.absolutePath, param.args[2]))
} catch (_: Exception) {}
}
// Wait for bundle to download. Then, execute our bundle
runBlocking { httpJob.join() }
XposedBridge.invokeOriginalMethod(loadScriptFromFile, thisObject, arrayOf(bundle.absolutePath, bundle.absolutePath, args[2]))
// Prevent from invoking the original method
setResult(null)
}
}