dropbox-sync.yml

name: Sync to Dropbox

on:
  push:
    branches:
      - main
      - master
  workflow_dispatch:

jobs:
  dropbox-sync:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v6   # Upgraded to native Node.js 24 support!

      - name: Sync Folder to Dropbox via API
        env:
          DROPBOX_APP_KEY: "${{ secrets.DROPBOX_APP_KEY }}"
          DROPBOX_APP_SECRET: "${{ secrets.DROPBOX_APP_SECRET }}"
          DROPBOX_REFRESH_TOKEN: "${{ secrets.DROPBOX_REFRESH_TOKEN }}"
          REPO_NAME: "${{ github.event.repository.name }}"
        run: |
          # 1. Clear out internal Git and GitHub tracking configurations 
          rm -rf .git .github

          # 2. Use your refresh token to request a short-lived access token
          RESPONSE=$(curl -s -X POST https://api.dropbox.com/oauth2/token \
            -u "$DROPBOX_APP_KEY:$DROPBOX_APP_SECRET" \
            -d grant_type=refresh_token \
            -d refresh_token="$DROPBOX_REFRESH_TOKEN")

          ACCESS_TOKEN=$(echo "$RESPONSE" | grep -o '"access_token": "[^"]*' | grep -o '[^"]*$')

          if [ -z "$ACCESS_TOKEN" ]; then
            echo "Error: Failed to obtain Dropbox Access Token."
            echo "API Response: $RESPONSE"
            exit 1
          fi

          # 3. Recursively upload every file in the repository individually
          find . -type f | while read -r file; do
            # Format file pathing cleanly for the API target destination
            CLEAN_PATH=$(echo "$file" | sed 's|^\./||')
            DROPBOX_PATH="/$REPO_NAME/$CLEAN_PATH"

            echo "Uploading: $CLEAN_PATH -> Dropbox: $DROPBOX_PATH"

            curl -X POST https://content.dropboxapi.com/2/files/upload \
              -H "Authorization: Bearer $ACCESS_TOKEN" \
              -H "Dropbox-API-Arg: {\"path\": \"$DROPBOX_PATH\",\"mode\": \"overwrite\",\"autorename\": false,\"mute\": true}" \
              -H "Content-Type: application/octet-stream" \
              --data-binary "@$file"
          done