name: Security

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  schedule:
    - cron: '0 6 * * 1'

permissions:
  contents: read
  security-events: write

env:
  ACALA_PROD_AUTH_TOKEN: ${{ secrets.ACALA_PROD_AUTH_TOKEN }}
  ACALA_TEST_AUTH_TOKEN: ${{ secrets.ACALA_TEST_AUTH_TOKEN }}
  MOONBEAM_PROD_AUTH_TOKEN: ${{ secrets.MOONBEAM_PROD_AUTH_TOKEN }}
  MOONBEAM_TEST_AUTH_TOKEN: ${{ secrets.MOONBEAM_TEST_AUTH_TOKEN }}
  MOONPAY_PRODUCTION_SECRET: ${{ secrets.MOONPAY_PRODUCTION_SECRET }}
  MOONPAY_TEST_SECRET: ${{ secrets.MOONPAY_TEST_SECRET }}
  MERCURYO_PRODUCTION_SECRET: ${{ secrets.MERCURYO_PRODUCTION_SECRET }}
  MERCURYO_TEST_SECRET: ${{ secrets.MERCURYO_TEST_SECRET }}
  EHTERSCAN_API_KEY_MOONBEAM: ${{ secrets.EHTERSCAN_API_KEY_MOONBEAM }}
  EHTERSCAN_API_KEY_MOONRIVER: ${{ secrets.EHTERSCAN_API_KEY_MOONRIVER }}
  EHTERSCAN_API_KEY_ETHEREUM: ${{ secrets.EHTERSCAN_API_KEY_ETHEREUM }}
  INFURA_API_KEY: ${{ secrets.INFURA_API_KEY }}
  DWELLIR_API_KEY: ${{ secrets.DWELLIR_API_KEY }}
  WALLET_CONNECT_PROJECT_ID: ${{ secrets.WALLET_CONNECT_PROJECT_ID }}
  DEBUG_GOOGLE_OAUTH_ID: ${{ secrets.DEBUG_GOOGLE_OAUTH_ID }}
  RELEASE_GOOGLE_OAUTH_ID: ${{ secrets.RELEASE_GOOGLE_OAUTH_ID }}

jobs:
  codeql:
    name: CodeQL Analysis
    runs-on: [self-hosted, wallet]
    if: github.event_name == 'push'  # Only run on push, not PRs (self-hosted security)

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

      - name: Install dependencies
        uses: ./.github/workflows/install/

      - name: Set up DEV Google Services
        uses: davidSchuppa/base64Secret-toFile-action@v3
        with:
          secret: ${{ secrets.CI_DEVELOP_GOOGLE_SERVICES }}
          filename: google-services.json
          destination-path: ./app/

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v3
        with:
          languages: java-kotlin

      - name: Build for CodeQL
        run: ./gradlew assembleDebug -x test -x lint
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v3

  dependency-review:
    name: Dependency Review
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'

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

      - name: Dependency Review
        uses: actions/dependency-review-action@v4
        with:
          fail-on-severity: critical
          deny-licenses: GPL-3.0, AGPL-3.0
          # TruffleHog (AGPL-3.0) is run unmodified as a CI scanner; it is not
          # linked into or shipped with anything, so the licence's obligations
          # do not reach this repository. Only this package is exempt.
          allow-dependencies-licenses: pkg:githubactions/trufflesecurity/trufflehog

  secret-scan:
    name: Secret Scan
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Push and pull_request scan only the commits they bring: the action picks
      # the range from the event. `base: main` made a push to main rescan the
      # whole history, where Nova's own Infura keys are still live, so this job
      # was red on every push and a new leak would have looked like the old red.
      - name: TruffleHog Secret Scan (new commits)
        if: github.event_name != 'schedule'
        uses: trufflesecurity/trufflehog@e76dff8a7e57d6df0c60ad8cbf5d5cba505a8fc9 # v3.99.2
        with:
          path: ./
          version: 3.99.2
          extra_args: --only-verified

      # The weekly run checks what is in the tree today, not the history.
      - name: TruffleHog Secret Scan (current tree)
        if: github.event_name == 'schedule'
        run: |
          mkdir -p "$RUNNER_TEMP/tree"
          git archive HEAD | tar -x -C "$RUNNER_TEMP/tree"
          docker run --rm -v "$RUNNER_TEMP/tree:/tree" ghcr.io/trufflesecurity/trufflehog:3.99.2 \
            filesystem /tree --fail --no-update --github-actions --only-verified

  hardcoded-secrets:
    name: Hardcoded Secret Detection
    runs-on: ubuntu-latest

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

      - name: Scan for hardcoded secrets
        run: |
          FOUND=0

          echo "Checking for seed phrases / mnemonics..."
          if grep -rn --include="*.kt" --include="*.java" --include="*.xml" -iE "(mnemonic|seed_phrase)\s*=\s*\"[a-z]+" . | grep -v /build/ | grep -v /test/ | grep -v /androidTest/ | grep -v "R.string" | grep -v "getString"; then
            echo "::error::Possible seed phrase found in source"
            FOUND=1
          fi

          echo "Checking for private keys..."
          if grep -rn --include="*.kt" --include="*.java" -E "(private_key|privateKey|secret)\s*=\s*\"0x[a-fA-F0-9]{64}\"" . | grep -v /build/ | grep -v /test/ | grep -v /androidTest/; then
            echo "::error::Possible private key found in source"
            FOUND=1
          fi

          echo "Checking for API keys in source..."
          if grep -rn --include="*.kt" --include="*.java" -iE "(api_key|apikey|secret_key|password)\s*=\s*\"[^\"]{16,}" . | grep -v /build/ | grep -v /test/ | grep -v /androidTest/ | grep -v BuildConfig | grep -v "process"; then
            echo "::error::Possible API key or password found in source"
            FOUND=1
          fi

          if [ "$FOUND" -eq 0 ]; then
            echo "No hardcoded secrets found."
          else
            exit 1
          fi