fix: use pr_number as env variable #771
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Signed-off-by: Ramon Petgrave <32398091+ramonpetgrave64@users.noreply.github.com>
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ianlewis
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May 15, 2024
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May 16, 2024
# Summary Similar to slsa-verifier's slsa-framework/slsa-verifier#760 This PR adds a manually-invoked workflow to run against renovate-bot's PRs to update the node `dist` folders. I made one small change to use the `${{ inputs.pr_number }} ` as an environment variable, to harden against [script injection](https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#good-practices-for-mitigating-script-injection-attacks). See also slsa-framework/slsa-verifier#771 Also updating shellckeck to fix this lint error: - https://github.com/slsa-framework/slsa-github-generator/actions/runs/9101693389/job/25019502486#step:4:21 ``` Error: input type of workflow_dispatch event must be one of "string", "boolean", "choice", "environment" but got "number" ``` ## Testing Process I ran this against my fork's version of PR #3649. It did update the dist folders and the check-dists checks pass - https://github.com/ramonpetgrave64/slsa-github-generator/actions/runs/9101190828/job/25017786420?pr=9 - https://github.com/slsa-framework/slsa-verifier/pull/760/files#diff-4c6b93aa75d5affde60dc3849606c9acd75ed444d52e99f3055fc0c7aa77e9e0 ## Checklist - [x] Review the contributing [guidelines](https://github.com/slsa-framework/slsa-github-generator/blob/main/CONTRIBUTING.md) - [ ] Add a reference to related issues in the PR description. - [x] Update documentation if applicable. - [ ] Add unit tests if applicable. - [ ] Add changes to the [CHANGELOG](https://github.com/slsa-framework/slsa-github-generator/blob/main/CHANGELOG.md) if applicable. --------- Signed-off-by: Ramon Petgrave <ramon.petgrave64@gmail.com>
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changing the update-dist workflow to use the
pr_numberinput as an env variable to avoid script injection.Our workflows are only invokable by our trusted maintainers so we should be okay. This is just an extra hardening measure.
Open issue actions/runner#1070 (comment)
Testing
I confirmed the issue by invoking the workflow with
650 && echo SCRIPT INJECTION, and it did also do the extraechocommand.after invoking the workflow again with this PR's version, the problem is mitigated.