1.3.4

.github/workflows/extract.yml

@@ -0,0 +1,40 @@
+name: Extract
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 6 * * 6' # Runs every Saturday at 06:00 UTC
+
+jobs:
+  extract:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Install JADX
+        run: |
+          JADX_VERSION=$(curl -s "https://api.github.com/repos/skylot/jadx/releases/latest" | grep -Po '"tag_name": "v\K[0-9.]+')
+          echo "Installing JADX version ${JADX_VERSION}..."
+          curl -Lo jadx.zip "https://github.com/skylot/jadx/releases/download/v${JADX_VERSION}/jadx-${JADX_VERSION}.zip"
+          unzip -q jadx.zip -d jadx-dist
+          echo "$(pwd)/jadx-dist/bin" >> $GITHUB_PATH
+          rm jadx.zip
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Extract app credentials
+        run: npm run extract:mobile && npm run extract:tv
+
+      - uses: stefanzweifel/git-auto-commit-action@v5

.gitignore

@@ -1,5 +1,7 @@
 /node_modules
 .DS_Store
+/jadx-dist
+/jadx.zip
 /crunchyroll
 crunchyroll.apk
 crunchyroll.xapk

README.md

@@ -1,31 +1,34 @@
 # Crextractor
 
-Utility for extracting credentials from the Crunchyroll Android app
+Utility for extracting credentials from the Crunchyroll Android app (both TV and mobile versions).
+
+The [credentials](https://github.com/vitalygashkov/crextractor/blob/main/credentials.tv.json) are [automatically](https://github.com/vitalygashkov/crextractor/actions/workflows/extract.yml) updated once a week (if there are any changes).
 
 ## Prerequisites
 
 - [Node.js](https://nodejs.org/en)
 - [jadx](https://github.com/skylot/jadx)
 
-## Installation
+## Usage
+
+### Library
 
 ```bash
 npm i crextractor
 ```
 
-## Usage
-
-### Fetching already extracted secrets
+#### Fetch ready credentials from this GitHub repository
 
 ```js
-async function main() {
-  const url = 'https://raw.githubusercontent.com/vitalygashkov/crextractor/refs/heads/main/credentials.tv.json';
-  const data = await fetch(url).then((response) => response.json());
+import { pull } from 'crextractor';
 
-  // You can use the extracted secrets to obtain access tokens for Crunchyroll APIs
+async function main() {
+  const credentials = await pull('tv');
+
+  // You can use the extracted credentials to obtain access tokens for Crunchyroll APIs
   const response = await fetch('https://beta-api.crunchyroll.com/auth/v1/token', {
     headers: {
-      Authorization: data.authorization,
+      Authorization: credentials.authorization, // Ready HTTP header in the format `Basic <encoded>`, can be used to access some Crunchyroll APIs
       'User-Agent': 'Crunchyroll/ANDROIDTV/3.42.1_22267 (Android 16; en-US; sdk_gphone64_x86_64)',
       // ...
     },
@@ -37,17 +40,23 @@ async function main() {
 }
 ```
 
-#### Library
+#### Extract credentials from the latest APK using jadx
 
 ```js
 import { extract } from 'crextractor';
 
+async function main() {
   const { id, secret, encoded, authorization } = await extract();
+  // id - Crunchyroll app ID
+  // secret - Crunchyroll app secret
+  // encoded - Base64 encoded `id:secret` string
+  // authorization - ready HTTP header in the format `Basic <encoded>`, can be used to access some Crunchyroll APIs
 
-// Do something with the extracted secrets
+  // Do something with the extracted credentials
+}
 ```
 
-#### Command-line interface
+### Command-line interface
 
 ```bash
 npx crextractor --target mobile --output ./credentials.mobile.json

credentials.mobile.json

@@ -1,7 +1,7 @@
 {
-  "version": "3.89.2 (952)",
-  "id": "n0q2nxl37zig0dqn0aio",
-  "secret": "P0j3he4N8UG8W2w0-PvDadjGuv62fN2d",
-  "encoded": "bjBxMm54bDM3emlnMGRxbjBhaW86UDBqM2hlNE44VUc4VzJ3MC1QdkRhZGpHdXY2MmZOMmQ=",
-  "authorization": "Basic bjBxMm54bDM3emlnMGRxbjBhaW86UDBqM2hlNE44VUc4VzJ3MC1QdkRhZGpHdXY2MmZOMmQ="
+  "version": "3.92.3 (977)",
+  "id": "dvoxpszj59depczpxvwj",
+  "secret": "_VQmMQlJw65tMCIT-SvM2r6OvBTs85Gf",
+  "encoded": "ZHZveHBzemo1OWRlcGN6cHh2d2o6X1ZRbU1RbEp3NjV0TUNJVC1Tdk0ycjZPdkJUczg1R2Y=",
+  "authorization": "Basic ZHZveHBzemo1OWRlcGN6cHh2d2o6X1ZRbU1RbEp3NjV0TUNJVC1Tdk0ycjZPdkJUczg1R2Y="
 }

credentials.tv.json

@@ -1,7 +1,7 @@
 {
-  "version": "3.42.1 (22267)",
-  "id": "bmbrkxyx3d7u6jsfyla4",
-  "secret": "AIN4D5VE_cp0wVzfNoP0YqHUrYFp9hSg",
-  "encoded": "Ym1icmt4eXgzZDd1NmpzZnlsYTQ6QUlONEQ1VkVfY3Awd1Z6Zk5vUDBZcUhVcllGcDloU2c=",
-  "authorization": "Basic Ym1icmt4eXgzZDd1NmpzZnlsYTQ6QUlONEQ1VkVfY3Awd1Z6Zk5vUDBZcUhVcllGcDloU2c="
+  "version": "3.45.2 (22274)",
+  "id": "cb9nzrmht32vgtexygko",
+  "secret": "KUwmMjJXxxursHITd1zvl2C2yQaQo8N4",
+  "encoded": "Y2I5bnpybWh0MzJ2Z3RleHlna286S1V3bU1qSlh4eHVyc0hJVGQxenZsMkMyeVFhUW84TjQ=",
+  "authorization": "Basic Y2I5bnpybWh0MzJ2Z3RleHlna286S1V3bU1qSlh4eHVyc0hJVGQxenZsMkMyeVFhUW84TjQ="
 }

crextractor.d.ts

@@ -1,10 +1,24 @@
-export function extractSecrets(): Promise<{
+export type CrunchyrollAppCredentials = {
   // Crunchyroll app ID
   id: string;
   // Crunchyroll app secret
   secret: string;
   // Base64 encoded `id:secret` string
   encoded: string;
-  // HTTP header with Basic Authorization to access Crunchyroll mobile APIs
+  // Ready HTTP header in the format `Basic <encoded>`, can be used to access some Crunchyroll APIs
   authorization: string;
-}>;
+};
+
+/**
+ * Extract credentials from the Crunchyroll Android APK using jadx.
+ */
+export function extract(options?: {
+  target?: 'mobile' | 'tv';
+  output?: string;
+  cleanup?: boolean;
+}): Promise<CrunchyrollAppCredentials>;
+
+/**
+ * Fetch ready credentials from the GitHub repository.
+ */
+export function pull(options?: { target: 'mobile' | 'tv' }): Promise<CrunchyrollAppCredentials>;

crextractor.js

@@ -16,13 +16,10 @@ const downloadMobileApk = async () => {
 
 const downloadTvApk = async () => {
   const source = 'https://webservices.aptoide.com/webservices/3/getApkInfo';
-  const formData = new FormData();
-  formData.append('identif', 'id:71305225');
-  formData.append('mode', 'json');
-  const response = await fetch(source, {
-    method: 'POST',
-    body: formData,
-  });
+  const body = new FormData();
+  body.append('identif', 'id:72075737');
+  body.append('mode', 'json');
+  const response = await fetch(source, { method: 'POST', body });
   const json = await response.json();
   const url = json.apk.path;
   const filepath = join(process.cwd(), 'crunchyroll.apk');
@@ -96,10 +93,15 @@ const parseVersion = async (decompiledDir) => {
   }
 };
 
-const extract = async ({ target, output, cleanup = false } = {}) => {
+const extract = async ({ target = 'mobile', output, cleanup = false } = {}) => {
   console.log('Downloading APK...');
   const apkPath = target === 'tv' ? await downloadTvApk() : await downloadMobileApk();
 
+  if (!existsSync(apkPath)) {
+    console.error('Unable to find APK (possibly a download error)');
+    return;
+  }
+
   console.log('Decompiling APK...');
   const decompiledDir = decompileApk(apkPath);
 
@@ -128,4 +130,10 @@ const extract = async ({ target, output, cleanup = false } = {}) => {
   return { version, id, secret, encoded, authorization };
 };
 
-module.exports = { extract };
+const pull = async ({ target = 'mobile' } = {}) => {
+  const url = `https://raw.githubusercontent.com/vitalygashkov/crextractor/refs/heads/main/credentials.${target}.json`;
+  const credentials = await fetch(url).then((response) => response.json());
+  return credentials;
+};
+
+module.exports = { extract, pull };

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "crextractor",
-  "version": "1.2.1",
+  "version": "1.3.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "crextractor",
-      "version": "1.2.1",
+      "version": "1.3.4",
       "funding": [
         {
           "type": "individual",
@@ -15,7 +15,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "molnia": "^0.1.5"
+        "molnia": "^0.1.7"
       },
       "bin": {
         "crextractor": "bin/cli.js"
@@ -37,9 +37,9 @@
       }
     },
     "node_modules/molnia": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/molnia/-/molnia-0.1.5.tgz",
-      "integrity": "sha512-Kb3bhlvNVWJ9Z8tGZGkhmChpXQY8OLFPkxXFvLJb+foLwfH7JyyJl+DbKuUKAIK1vnxs5sBFuQb3wxOIwWBpiA==",
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/molnia/-/molnia-0.1.7.tgz",
+      "integrity": "sha512-wCezzcu2sRybrJb9ltrBEWwzO9NU2DRgxZw5Gr1g2QrnwrNo+olE3cAiD3Q1Y76rCde1qXBUmEuZ13aKXew+AQ==",
       "funding": [
         {
           "type": "individual",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "crextractor",
-  "version": "1.2.1",
+  "version": "1.3.4",
   "description": "Utility for extracting credentials from the Crunchyroll Android app",
   "main": "crextractor.js",
   "bin": {
@@ -35,7 +35,7 @@
     "node": ">=20"
   },
   "dependencies": {
-    "molnia": "^0.1.5"
+    "molnia": "^0.1.7"
   },
   "devDependencies": {
     "typescript": "^5.9.2"