forked from sim1222-mirror/apple-music-downloader
add arm64 support
This commit is contained in:
zhaarey
313
agent-arm64.js
Normal file
313
agent-arm64.js
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@ -0,0 +1,313 @@
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'use strict';
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const fairplayCert = "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";
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const kdContextMap = new Map();
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let persistentKeyPtr = null;
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function newStdStringFromArrayBuffer(content) {
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return newStdString(String.fromCharCode(...new Uint8Array(content)));
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}
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function newStdString(content) {
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const size = content.length;
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if (size >= 0x17) {
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const capacity = 2 ** Math.ceil(Math.log2(size + 1));
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const buffer = malloc(capacity);
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buffer.writeUtf8String(content);
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const str = malloc(Process.pointerSize * 3);
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str.writeULong(capacity | 0x1);
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str.add(Process.pointerSize).writeULong(size);
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str.add(Process.pointerSize * 2).writePointer(buffer);
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return { buffer, str };
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} else {
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const str = malloc(size + 2);
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str.writeU8(size * 2);
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str.add(1).writeUtf8String(content);
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str.add(size + 1).writeU8(0);
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return { buffer: null, str };
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}
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}
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function getStrFromStdString(content) {
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const mem = new NativePointer(content);
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const size = mem.readU8();
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if ((size & 0x1) === 1) {
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const bufferSize = mem.add(Process.pointerSize).readULong();
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const bufferPtr = mem.add(Process.pointerSize * 2).readPointer();
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return bufferPtr.readUtf8String(bufferSize);
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} else {
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return mem.add(1).readUtf8String(size / 2);
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}
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}
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function getPersistentKeyASM(
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sessionCtrlInstance,
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adamIdStr, keyUriStr,
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keyFormatStr, keyFormatVerStr,
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serverUriStr, protocolTypeStr,
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fpsCertStr, persistentKeyPtr
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) {
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const impl = malloc(Process.pageSize);
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Memory.patchCode(impl, Process.pageSize, code => {
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const writer = new Arm64Writer(code, { pc: impl });
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writer.putLdrRegAddress("x0", sessionCtrlInstance);
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writer.putLdrRegAddress("x1", adamIdStr.str);
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writer.putLdrRegAddress("x2", adamIdStr.str);
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writer.putLdrRegAddress("x3", keyUriStr.str);
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writer.putLdrRegAddress("x4", keyFormatStr.str);
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writer.putLdrRegAddress("x5", keyFormatVerStr.str);
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writer.putLdrRegAddress("x6", serverUriStr.str);
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writer.putLdrRegAddress("x7", protocolTypeStr.str);
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writer.putLdrRegAddress("x8", persistentKeyPtr);
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writer.putSubRegRegImm("sp", "sp", 0x10);
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writer.putLdrRegAddress("x9", fpsCertStr.str);
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writer.putStrRegRegOffset("x9", "sp", 0);
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writer.putCallAddressWithArguments(getPersistentKeyAddr, ["x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8"]);
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writer.putAddRegRegImm("sp", "sp", 0x10);
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writer.flush();
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});
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const implFunc = new NativeFunction(impl, 'void', []);
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try {
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implFunc();
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} catch (e) { } // Ignore errors
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dealloc(impl);
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}
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function decryptContextASM(sessionCtrlInstance, persistentKeyPtr, decryptedKeyPtr) {
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const impl = malloc(Process.pageSize);
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Memory.patchCode(impl, Process.pageSize, code => {
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const writer = new Arm64Writer(code, { pc: impl });
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writer.putLdrRegAddress("x0", sessionCtrlInstance);
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writer.putLdrRegAddress("x1", persistentKeyPtr);
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writer.putLdrRegAddress("x8", decryptedKeyPtr);
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writer.putCallAddressWithArguments(decryptContextAddr, ["x0", "x1", "x8"]);
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writer.flush();
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});
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const implFunc = new NativeFunction(impl, 'void', []);
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try {
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implFunc();
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} catch (e) { } // Ignore errors
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dealloc(impl);
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}
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function getKdContext(adamId, uri) {
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const uriStr = String.fromCharCode(...new Uint8Array(uri));
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if (kdContextMap.has(uriStr)) {
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return kdContextMap.get(uriStr);
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}
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const adamIdStr = newStdStringFromArrayBuffer(adamId);
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const keyUriStr = newStdStringFromArrayBuffer(uri);
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const keyFormatStr = newStdString("com.apple.streamingkeydelivery");
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const keyFormatVerStr = newStdString("1");
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const serverUriStr = newStdString("https://play.itunes.apple.com/WebObjects/MZPlay.woa/music/fps");
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const protocolTypeStr = newStdString("simplified");
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const fpsCertStr = newStdString(fairplayCert);
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const persistentKeyPtr = malloc(Process.pointerSize * 2);
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getPersistentKeyASM(
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sessionCtrlInstance,
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adamIdStr, keyUriStr,
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keyFormatStr, keyFormatVerStr,
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serverUriStr, protocolTypeStr,
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fpsCertStr, persistentKeyPtr
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);
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const decryptedKeyPtr = malloc(Process.pointerSize * 2);
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decryptContextASM(sessionCtrlInstance, persistentKeyPtr.readPointer(), decryptedKeyPtr);
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const kdContext = decryptedKeyPtr.readPointer().add(0x18).readPointer();
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if (kdContext.isNull()) {
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console.error("kdContext is null");
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return null;
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}
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kdContextMap.set(uriStr, kdContext);
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return kdContext;
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}
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async function getM3U8Url(adamId) {
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return new Promise((resolve) => {
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Java.perform(() => {
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try {
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const SVPlaybackLeaseManagerProxy = Java.use("com.apple.android.music.playback.SVPlaybackLeaseManagerProxy");
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const MediaAssetInfo = SVPlaybackLeaseManagerProxy.requestAsset(parseInt(adamId), "", ["HLS"], false);
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resolve(MediaAssetInfo ? MediaAssetInfo.getDownloadUrl() : null);
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} catch (e) {
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console.error("Error calling requestAsset:", e);
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resolve(null);
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}
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});
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});
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}
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async function getM3U8UrlFromDownload(adamId) {
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return new Promise((resolve) => {
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Java.perform(() => {
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const N = Java.use("com.apple.android.storeservices.v2.N");
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const data = N.a().j();
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const PurchaseRequestPtr = Java.use("com.apple.android.storeservices.javanative.account.PurchaseRequest$PurchaseRequestPtr");
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const request = Java.cast(data, Java.use("com.apple.android.storeservices.storeclient.g"));
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const create = PurchaseRequestPtr.create(request.n.value);
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create.get().setProcessDialogActions(true);
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create.get().setURLBagKey("subDownload");
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create.get().setBuyParameters(`salableAdamId=${adamId}&price=0&pricingParameters=SUBS&productType=S`);
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try {
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create.get().run();
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const response = create.get().getResponse();
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if (response.get().getError().get() == null) {
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const item = response.get().getItems().get(0);
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const assets = item.get().getAssets();
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resolve(assets.get(assets.size() - 1).get().getURL());
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} else {
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console.error("Download failed", response.get().getError().get().errorCode());
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resolve(null);
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}
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} catch (error) {
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console.error("Error during download", error);
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resolve(null);
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}
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});
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});
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}
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async function handleDecryptionConnection(socket) {
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try {
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while (true) {
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const adamIdSize = (await socket.input.readAll(1)).unwrap().readU8();
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if (adamIdSize === 0) break;
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const adamId = await socket.input.readAll(adamIdSize);
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const uriSize = (await socket.input.readAll(1)).unwrap().readU8();
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const uri = await socket.input.readAll(uriSize);
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const kdContext = getKdContext(adamId, uri);
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if (!kdContext) {
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console.error("Failed to get kdContext");
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break;
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}
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while (true) {
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const sizeBuffer = await socket.input.readAll(4);
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if (sizeBuffer.byteLength === 0) break;
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const size = sizeBuffer.unwrap().readU32();
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if (size === 0) break;
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const sample = await socket.input.readAll(size);
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const sampleUnwrapped = sample.unwrap();
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decryptSample(kdContext.readPointer(), 5, sampleUnwrapped, sampleUnwrapped, sample.byteLength);
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await socket.output.writeAll(sample);
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}
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}
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} catch (e) {
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console.error("Connection handling error:", e);
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console.error(e.stack);
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} finally {
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await socket.close();
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}
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}
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async function handleM3U8Connection(socket) {
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try {
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const adamIdSizeBuffer = await socket.input.readAll(1);
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if (adamIdSizeBuffer.byteLength === 0) {
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console.warn("Empty adamId size received");
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return;
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}
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const adamIdSize = adamIdSizeBuffer.unwrap().readU8();
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if (adamIdSize > 0) {
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const adamIdBuffer = await socket.input.readAll(adamIdSize);
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const adamId = String.fromCharCode(...new Uint8Array(adamIdBuffer));
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let m3u8Url = await getM3U8Url(adamId);
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if (!m3u8Url) {
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m3u8Url = await getM3U8UrlFromDownload(adamId);
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}
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if (m3u8Url) {
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const m3u8Array = new TextEncoder().encode(m3u8Url + "\n");
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await socket.output.writeAll(m3u8Array);
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} else {
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console.error("Failed to retrieve M3U8 URL");
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}
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}
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} catch (e) {
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console.error("M3U8 connection error:", e);
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console.error(e.stack);
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} finally {
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await socket.close();
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}
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}
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function initializeFridaFunctions(androidappmusic) {
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// Utility functions
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global.malloc = new NativeFunction(
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Module.findExportByName(null, "_Znwm"),
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'pointer',
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['ulong']
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);
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global.dealloc = new NativeFunction(
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Module.findExportByName(null, "_ZdlPv"),
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'void',
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['pointer']
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);
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// Apple Music specific functions
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global.sessionCtrlInstance = new NativeFunction(
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androidappmusic.getExportByName("_ZN21SVFootHillSessionCtrl8instanceEv"),
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'pointer',
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[]
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)();
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global.getPersistentKeyAddr = androidappmusic.getExportByName("_ZN21SVFootHillSessionCtrl16getPersistentKeyERKNSt6__ndk112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEES8_S8_S8_S8_S8_S8_S8_");
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global.decryptContextAddr = androidappmusic.getExportByName("_ZN21SVFootHillSessionCtrl14decryptContextERKNSt6__ndk112basic_stringIcNS0_11char_traitsIcEENS0_9allocatorIcEEEERKN11SVDecryptor15SVDecryptorTypeERKb");
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global.decryptSample = new NativeFunction(
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androidappmusic.getExportByName("NfcRKVnxuKZy04KWbdFu71Ou"),
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'ulong',
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['pointer', 'uint', 'pointer', 'pointer', 'size_t']
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);
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}
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function startListeners() {
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Socket.listen({ family: "ipv4", port: 20020 })
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.then(async (listener) => {
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while (true) {
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await handleM3U8Connection(await listener.accept());
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}
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})
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.catch(console.error);
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Socket.listen({ family: "ipv4", port: 10020 })
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.then(async (listener) => {
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while (true) {
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await handleDecryptionConnection(await listener.accept());
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}
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})
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.catch(console.error);
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}
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function waitForModule() {
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const moduleName = "libandroidappmusic.so";
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try {
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const androidappmusic = Process.getModuleByName(moduleName);
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initializeFridaFunctions(androidappmusic);
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startListeners();
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console.log(`Module ${moduleName} loaded successfully and listeners started`);
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} catch (e) {
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console.log(`Module ${moduleName} not loaded yet, waiting...`);
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setTimeout(waitForModule, 1000);
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}
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}
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waitForModule();
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