codeql-verification.yml

name: CodeQL verification

on:
  push:
    branches:
      - 'verification/kubernetes-authentication-bridge-*'
  workflow_dispatch:

permissions:
  contents: read
  security-events: write

jobs:
  analyze:
    runs-on: ubuntu-24.04
    timeout-minutes: 45
    steps:
      - name: Check out candidate
        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Install verified Go toolchain
        shell: bash
        env:
          GO_VERSION: 1.26.5
          GO_LINUX_AMD64_SHA256: 5c2c3b16caefa1d968a94c1daca04a7ca301a496d9b086e17ad77bb81393f053
        run: |
          set -euo pipefail
          archive="go${GO_VERSION}.linux-amd64.tar.gz"
          curl --proto '=https' --tlsv1.2 --fail --silent --show-error --location \
            --output "/tmp/${archive}" "https://go.dev/dl/${archive}"
          printf '%s  %s\n' "$GO_LINUX_AMD64_SHA256" "/tmp/${archive}" | sha256sum -c -
          sudo rm -rf /usr/local/go
          sudo tar -C /usr/local -xzf "/tmp/${archive}"
          printf '/usr/local/go/bin\n' >> "$GITHUB_PATH"

      - name: Initialize CodeQL
        uses: github/codeql-action/init@24c7eb380a2dc368f2d129e4c65e51d172983a1e
        with:
          languages: go
          queries: security-extended
          build-mode: autobuild

      - name: Autobuild the same package graph as default setup
        uses: github/codeql-action/autobuild@24c7eb380a2dc368f2d129e4c65e51d172983a1e

      - name: Analyze without publishing temporary alerts
        uses: github/codeql-action/analyze@24c7eb380a2dc368f2d129e4c65e51d172983a1e
        with:
          category: '/language:go'
          upload: never
          output: codeql-results

      - name: Reject Critical and High findings
        shell: bash
        run: |
          set -euo pipefail
          python3 - <<'PY'
          import glob
          import json

          blocked = []
          for path in glob.glob('codeql-results/**/*.sarif', recursive=True):
              with open(path, encoding='utf-8') as stream:
                  sarif = json.load(stream)
              for run in sarif.get('runs', []):
                  rules = {
                      rule.get('id'): rule
                      for rule in run.get('tool', {}).get('driver', {}).get('rules', [])
                  }
                  for result in run.get('results', []):
                      rule = rules.get(result.get('ruleId'), {})
                      severity = str(rule.get('properties', {}).get('security-severity', '0'))
                      try:
                          score = float(severity)
                      except ValueError:
                          score = 0.0
                      if score >= 7.0:
                          blocked.append((result.get('ruleId'), score))
          print('codeql_critical_high=' + str(len(blocked)))
          if blocked:
              for rule_id, score in blocked:
                  print(f'{rule_id}\t{score}')
              raise SystemExit(1)
          PY

      - name: Upload verification evidence
        if: always()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a
        with:
          name: kubernetes-authentication-bridge-codeql-${{ github.sha }}
          path: codeql-results/
          if-no-files-found: warn
          retention-days: 7