fix: change apk source

crextractor.js

@@ -0,0 +1,94 @@
+const { join } = require('node:path');
+const { readdir, readFile, writeFile, rm } = require('node:fs/promises');
+const { download } = require('molnia');
+
+const downloadLatestApk = async () => {
+  const source = 'https://apkcombo.com/crunchyroll/com.crunchyroll.crunchyroid/download/apk';
+  const page = await fetch(source);
+  const html = await page.text();
+  const route = '/r2' + html.split('/r2')[1]?.split('"')[0];
+  const url = `https://apkcombo.com${route}`;
+  const filepath = join(process.cwd(), 'crunchyroll.xapk');
+  await download(url, {
+    output: filepath,
+    onProgress: (progress) => console.log(progress),
+    onError: (error) => console.error(error),
+  });
+  return filepath;
+};
+
+const decompileApk = (apkPath) => {
+  try {
+    execSync(`jadx ${apkPath}`, { stdio: 'inherit' });
+  } catch (error) {}
+  return apkPath.replace('.xapk', '');
+};
+
+const findConfigurationImpl = async (sourcesDir) => {
+  const entries = await readdir(sourcesDir, { withFileTypes: true });
+  for (const entry of entries) {
+    if (!entry.isDirectory()) continue;
+    const moduleDir = join(sourcesDir, entry.name);
+    const moduleEntries = await readdir(moduleDir, { withFileTypes: true });
+    for (const moduleFile of moduleEntries) {
+      if (moduleFile.isDirectory()) continue;
+      const moduleFilePath = join(moduleDir, moduleFile.name);
+      const moduleContents = await readFile(moduleFilePath, 'utf8');
+      if (moduleContents.includes(' ConfigurationImpl.kt')) {
+        return moduleContents;
+      }
+    }
+  }
+};
+
+const parseSecrets = (contents) => {
+  const lines = contents.split('\n');
+  const startIndex = lines.findIndex((line) => line.includes('https://sso.crunchyroll.com'));
+  const endIndex = lines.findIndex((line) => line.includes('CR-AndroidMobile-SSAI-Prod'));
+  const results = lines
+    .slice(startIndex, endIndex)
+    .map((line) => line.replaceAll(';', ''))
+    .map((line) => line.replaceAll('"', ''))
+    .map((line) => line.split('= ')[1])
+    .map((line) => line.trim());
+  const [, , id, secret] = results;
+  const encoded = Buffer.from(`${id}:${secret}`).toString('base64');
+  const authorization = `Basic ${encoded}`;
+  return { id, secret, encoded, authorization };
+};
+
+const extractSecrets = async ({ output, cleanup = true } = {}) => {
+  console.log('Downloading latest APK...');
+  const apkPath = await downloadLatestApk();
+
+  console.log('Decompiling APK...');
+  const decompiledDir = decompileApk(apkPath);
+
+  console.log('Searching for secrets...');
+  const sourcesDir = join(decompiledDir, 'sources');
+  const manifest = require(join(sourcesDir, 'resources', 'manifest.json'));
+  const version = manifest.version_name;
+  const configurationImpl = await findConfigurationImpl(sourcesDir);
+  if (!configurationImpl) throw new Error('Could not find ConfigurationImpl.kt');
+
+  console.log('Parsing secrets...');
+  const { id, secret, encoded, authorization } = parseSecrets(configurationImpl);
+
+  console.log(`Cleaning up files...`);
+  if (cleanup) await rm(apkPath, { recursive: true, force: true });
+  if (cleanup) await rm(decompiledDir, { recursive: true, force: true });
+
+  console.log(`Version: ${version}`);
+  console.log(`ID: ${id}`);
+  console.log(`Secret: ${secret}`);
+  console.log(`Encoded ID with secret: ${encoded}`);
+  console.log(`Authorization: ${authorization}`);
+
+  if (output) {
+    await writeFile(output, JSON.stringify({ version, id, secret, encoded, authorization }, null, 2));
+  }
+
+  return { version, id, secret, encoded, authorization };
+};
+
+module.exports = { extractSecrets };