patch-release.yaml

name: Telegram APK Auto-Patcher

on:
  schedule:
    - cron: '0 */12 * * *'
  workflow_dispatch:

jobs:
  auto_patch:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          distribution: 'adopt'
          java-version: '17'

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: sudo apt-get install -y wget

      - name: Get latest Telegram version
        id: get_version
        run: |
          url="https://api.github.com/repos/DrKLO/Telegram/releases/latest"
          curl -s $url | grep -oP '"tag_name": "\K(.*)(?=")' > tg_version.txt
          echo "Latest version: $(cat tg_version.txt)"
        
      - name: Check if new version is available
        id: version_check
        run: |
          if [ -f backup_tg_version.txt ]; then
            old_version=$(cat backup_tg_version.txt)
          else
            old_version=""
          fi

          new_version=$(cat tg_version.txt)

          if [ "$new_version" != "$old_version" ]; then
            echo "new_version_available=true" >> $GITHUB_ENV
          else
            echo "new_version_available=false" >> $GITHUB_ENV
          fi

      - name: Download Telegram APK
        if: env.new_version_available == 'true'
        run: |
          tg_apk_url="https://telegram.org/dl/android/apk"
          echo "New version available: $(cat tg_version.txt)"
          echo "Downloading Latest Telegram apk..."
          wget -q --show-progress $tg_apk_url -O Telegram.apk

      - name: Download apktool
        if: env.new_version_available == 'true'
        run: |
          if [ ! -f apktool.jar ]; then
            echo "apktool.jar not found, downloading..."
            wget -q --show-progress https://bitbucket.org/iBotPeaches/apktool/downloads/apktool_2.10.0.jar -O apktool.jar
          fi

      - name: Decompile APK
        if: env.new_version_available == 'true'
        run: java -jar apktool.jar d Telegram.apk -f

      - name: Apply Patches
        if: env.new_version_available == 'true'
        run: |
          echo "Applying Normal Patches..."
          python3 tgpatcher.py --normal --dir Telegram/
          echo "Patches applied, building apk..."
          java -jar apktool.jar b Telegram/ -o Telegram_Patched.apk
          echo "NOTE: apk may not be signed, you may need to sign it manually."

      - name: Update version files and commit changes
        if: env.new_version_available == 'true'
        run: |
          cp tg_version.txt backup_tg_version.txt
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add tg_version.txt backup_tg_version.txt
          git commit -m "Update version files to $(cat tg_version.txt)"
          git push

      - name: Upload Patched APK to x0.at
        if: env.new_version_available == 'true'
        id: upload_apk
        run: |
          response=$(curl -F "file=@Telegram_Patched.apk" https://x0.at/)
          echo "upload_url=$response" >> $GITHUB_ENV

      - name: Calculate Expiration Date
        if: env.new_version_available == 'true'
        id: calculate_expiration
        run: |
          FILE_SIZE=$(stat -c%s "Telegram_Patched.apk")
          MAX_SIZE=$((222 * 1024 * 1024)) # 222 MiB in bytes
          MIN_AGE=3
          MAX_AGE=100
          SCALE=2
          FILE_SIZE_RATIO=$(echo "$FILE_SIZE/$MAX_SIZE" | bc -l)
          EXPIRATION_DAYS=$(echo "$MIN_AGE + ($MAX_AGE - $MIN_AGE) * (1 - $FILE_SIZE_RATIO)^2" | bc -l)
          EXPIRATION_DAYS=$(printf "%.0f" "$EXPIRATION_DAYS")
          echo "expiration_days=$EXPIRATION_DAYS" >> $GITHUB_ENV

      - name: Notify Telegram about new release
        if: env.new_version_available == 'true'
        uses: appleboy/telegram-action@master
        with:
          to: ${{ secrets.TELEGRAM_CHAT_ID }}
          token: ${{ secrets.TELEGRAM_BOT_TOKEN }}
          format: HTML
          message: |
            <b>project:</b> Telegram Auto-Patcher
            <b>status:</b> New version patched successfully!
            <b>commit:</b> <a href="https://github.com/AbhiTheModder/termux-scripts/commit/${{ github.sha }}">${{ github.sha }}</a>
            <b>repo:</b> <a href="https://github.com/AbhiTheModder/termux-scripts">AbhiTheModder/termux-scripts</a>
            The patched APK file is available for download at the link below.
            <a href="${{ env.upload_url }}">Download Patched APK</a>
            The file will be available for approximately <code>${{ env.expiration_days }}</code> days.