name: "security"

permissions:
  actions: read
  contents: read

on:
  workflow_dispatch:

  # Uncomment when testing.
  # pull_request:

  schedule:
    # Run every 6 hours Monday-Friday!
    - cron: "0 0/6 * * 1-5"

# Cancel in-progress runs for pull requests when developers push
# additional changes
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-security
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  codeql:
    permissions:
      security-events: write
    runs-on: ${{ github.repository_owner == 'coder' && 'depot-ubuntu-22.04-8' || 'ubuntu-latest' }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
        with:
          egress-policy: audit

      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false

      - name: Set up mise tools
        uses: ./.github/actions/setup-mise
        with:
          install-args: "go"

      - name: Restore Go cache
        uses: ./.github/actions/go-cache

      - name: Initialize CodeQL
        uses: github/codeql-action/init@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3.29.5
        with:
          languages: go, javascript

      # Workaround to prevent CodeQL from building the dashboard.
      - name: Remove Makefile
        run: |
          rm Makefile

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3.29.5

      - name: Send Slack notification on failure
        if: ${{ failure() }}
        run: |
          msg="❌ CodeQL Failed\n\nhttps://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
          curl \
            -qfsSL \
            -X POST \
            -H "Content-Type: application/json" \
            --data "{\"content\": \"$msg\"}" \
            "${{ secrets.SLACK_SECURITY_FAILURE_WEBHOOK_URL }}"

  osv-scanner:
    permissions:
      security-events: write
    runs-on: ${{ github.repository_owner == 'coder' && 'depot-ubuntu-22.04-8' || 'ubuntu-latest' }}
    env:
      IMAGE_REF: ghcr.io/coder/coder-preview:main
      OSV_SCANNER_VERSION: v2.3.5
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
        with:
          egress-policy: audit

      - name: Install OSV-Scanner
        run: |
          curl -fsSL -o /usr/local/bin/osv-scanner \
            "https://github.com/google/osv-scanner/releases/download/${OSV_SCANNER_VERSION}/osv-scanner_linux_amd64"
          chmod +x /usr/local/bin/osv-scanner

      - name: Pull latest Coder preview image
        run: docker pull "$IMAGE_REF"

      - name: Run OSV-Scanner vulnerability scanner
        id: scan
        run: |
          set +e
          osv-scanner scan image "$IMAGE_REF" \
            --format sarif \
            --output-file osv-results.sarif
          scan_exit_code=$?
          set -e

          echo "exit_code=${scan_exit_code}" >> "${GITHUB_OUTPUT}"

          if [[ "${scan_exit_code}" -eq 0 ]]; then
            exit 0
          fi

          if [[ "${scan_exit_code}" -eq 1 ]]; then
            echo "OSV-Scanner found vulnerabilities in ${IMAGE_REF}."
            echo "Results will be uploaded to GitHub Security and as a SARIF artifact."
            exit 0
          fi

          echo "::error::OSV-Scanner failed with exit code ${scan_exit_code}"
          exit "${scan_exit_code}"

      - name: Upload OSV-Scanner scan results to GitHub Security tab
        if: ${{ always() && hashFiles('osv-results.sarif') != '' }}
        uses: github/codeql-action/upload-sarif@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3.29.5
        with:
          sarif_file: osv-results.sarif
          category: "OSV-Scanner"

      - name: Upload OSV-Scanner scan results as an artifact
        if: ${{ always() && hashFiles('osv-results.sarif') != '' }}
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: osv-scanner
          path: osv-results.sarif
          retention-days: 7

      - name: Send Slack notification on failure
        if: ${{ failure() }}
        run: |
          msg="❌ OSV-Scanner Failed\n\nhttps://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
          curl \
            -qfsSL \
            -X POST \
            -H "Content-Type: application/json" \
            --data "{\"content\": \"$msg\"}" \
            "${{ secrets.SLACK_SECURITY_FAILURE_WEBHOOK_URL }}"