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feat: scope CI workflow permissions to least privilege #50

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Merged
Svilen-Stefanov merged 1 commit into from
Jun 30, 2026
Merged

feat: scope CI workflow permissions to least privilege #50

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7 changes: 5 additions & 2 deletions .github/workflows/codeboarding-sync.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,9 @@ on:
required: false
default: false

permissions:
contents: write # commit the generated baseline + docs to main
# No workflow-level permissions: the single job below requests only what it
# needs (least privilege), so the default token starts with none.
permissions: {}

concurrency:
# Serialize this workflow against itself: a push landing while a manual
Expand All @@ -45,6 +46,8 @@ jobs:
sync:
runs-on: ubuntu-latest
timeout-minutes: 60
permissions:
contents: write # commit the generated baseline + docs to main
steps:
# Dogfood: run the action from the checked-out repo (uses: ./) so pushes to
# main exercise the action code on main, not the last published release.
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16 changes: 10 additions & 6 deletions .github/workflows/codeboarding.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,12 +10,9 @@ on:
issue_comment:
types: [created]

permissions:
# write: the action commits the generated .codeboarding/analysis.json back to the
# PR branch so the webview can open this PR's diff at the head SHA (same-repo PRs).
contents: write
pull-requests: write
issues: write
# No workflow-level permissions: the single job below requests only what it
# needs (least privilege), so the default token starts with none.
permissions: {}

concurrency:
group: codeboarding-${{ github.event.pull_request.number || github.event.issue.number }}
Expand All @@ -27,6 +24,13 @@ jobs:
review:
runs-on: ubuntu-latest
timeout-minutes: 60
permissions:
# Review mode reads the repo + committed baseline and posts a PR comment;
# it does NOT commit generated files back to the branch (that is sync mode
# only — see action.yml `mode` input). So contents stays read-only.
contents: read
pull-requests: write # post / update the architecture-diff PR comment
issues: write # the /codeboarding issue_comment trigger + comment API
if: >
(github.event_name == 'pull_request' && github.event.action != 'closed' && github.event.pull_request.draft == false) ||
(github.event_name == 'issue_comment' && github.event.issue.pull_request != null &&
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