2024-11-25 14:18:32 +08:00

313 lines
14 KiB
JavaScript

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