[StepSecurity] Apply security best practices #10
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| name: Lockdown untrusted workflows | |
| # PROCESS | |
| # | |
| # 1. Scans for any external GitHub Action being used without version pinning (@<commit-sha> vs @v3) | |
| # 2. Scans for insecure practices for inline bash scripts (shellcheck) | |
| # 3. Fail CI and prevent PRs to be merged if any malpractice is found | |
| # USAGE | |
| # | |
| # Always triggered on new PR, PR changes and PR merge. | |
| on: | |
| push: | |
| paths: | |
| - ".github/workflows/**" | |
| pull_request: | |
| paths: | |
| - ".github/workflows/**" | |
| permissions: | |
| contents: read | |
| jobs: | |
| enforce_pinned_workflows: | |
| name: Harden Security | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read # checkout code and subsequently GitHub action workflows | |
| steps: | |
| - name: Harden Runner | |
| uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1 | |
| with: | |
| egress-policy: audit | |
| - name: Checkout code | |
| uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0 | |
| - name: Ensure 3rd party workflows have SHA pinned | |
| uses: zgosalvez/github-actions-ensure-sha-pinned-actions@b8f9a25a51fe633d9215ac7734854dc11cd299cb # v3.0.13 | |
| with: | |
| allowlist: | | |
| slsa-framework/slsa-github-generator | |
| aws-powertools/actions |