security-scan.yml

name: Security Scan

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]
  schedule:
    # Run security scan daily at 2 AM UTC
    - cron: '0 2 * * *'

jobs:
  codeql-analysis:
    name: CodeQL Analysis
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        language: [ 'javascript' ]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v3
        with:
          languages: ${{ matrix.language }}
          queries: security-extended,security-and-quality

      - name: Autobuild
        uses: github/codeql-action/autobuild@v3

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v3
        with:
          category: "/language:${{matrix.language}}"

  dependency-review:
    name: Dependency Review
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Dependency Review
        uses: actions/dependency-review-action@v4
        with:
          fail-on-severity: moderate

  secret-scan:
    name: Secret Scanning
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: TruffleHog OSS
        uses: trufflesecurity/trufflehog@main
        with:
          path: ./
          base: ${{ github.event.repository.default_branch }}
          head: HEAD
          extra_args: --debug --only-verified
        continue-on-error: true

  npm-audit:
    name: NPM Security Audit
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install dependencies
        run: npm ci

      - name: Run npm audit
        run: npm audit --audit-level=moderate
        continue-on-error: true

      - name: Generate audit report
        run: npm audit --json > npm-audit.json
        continue-on-error: true

      - name: Upload audit report
        uses: actions/upload-artifact@v4
        with:
          name: npm-audit-report
          path: npm-audit.json
        continue-on-error: true

  elisp-security:
    name: Elisp Security Check
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Emacs
        uses: purcell/setup-emacs@master
        with:
          version: '29.1'

      - name: Check for unsafe Elisp patterns
        run: |
          echo "Checking for potentially unsafe Elisp patterns..."
          
          # Check for eval usage
          if git grep -n "eval" -- "*.el" | grep -v "defeval" | grep -v ";.*eval"; then
            echo "Warning: Found eval usage (review for security)"
          fi
          
          # Check for shell-command usage
          if git grep -n "shell-command" -- "*.el" | grep -v ";.*shell-command"; then
            echo "Warning: Found shell-command usage (review for security)"
          fi
          
          # Check for call-process
          if git grep -n "call-process" -- "*.el" | grep -v ";.*call-process"; then
            echo "Info: Found call-process usage"
          fi
          
          # Check for read from external sources
          if git grep -n "read-from-string\\|read-from-minibuffer" -- "*.el" | grep -v ";.*read-from"; then
            echo "Info: Found read-from-* usage"
          fi
        continue-on-error: true

      - name: Check for hardcoded credentials
        run: |
          echo "Checking for potential hardcoded credentials..."
          
          # Check for API keys
          if git grep -niE "(api[_-]?key|apikey|api[_-]?secret)" -- "*.el" "*.org" | grep -v "your-api-key" | grep -v "example"; then
            echo "Warning: Found potential API key references"
          fi
          
          # Check for passwords
          if git grep -niE "password\s*=|passwd\s*=" -- "*.el" | grep -v "prompt"; then
            echo "Warning: Found potential password assignments"
          fi
        continue-on-error: true