Potential fix for code scanning alert no. 3: Workflow does not contain permissions

[johnpatrickroach]

Potential fix for https://github.com/johnpatrickroach/better-anonymity/security/code-scanning/3

In general, fix this class of problem by explicitly declaring a permissions block either at the workflow root (to apply to all jobs) or within the specific job, granting only the scopes actually needed. For a typical test-only CI workflow, contents: read is sufficient, or even permissions: {} if no token access is needed at all.

For this particular workflow, the test job only needs to read repository contents for actions/checkout, and does not write to GitHub or use APIs requiring more scopes. The safest change without altering behavior is to add a workflow-level permissions block with contents: read. This documents the requirement, constrains GITHUB_TOKEN to read-only for repo contents, and will automatically apply to all current and future jobs in this workflow that don’t override permissions.

Concretely, in .github/workflows/ci.yml, insert a permissions: section near the top of the file, after the name: CI line and before the on: block. No new imports or external tools are necessary.

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Summary by Sourcery

Build:

• Declare a workflow-level permissions block in the CI GitHub Actions workflow limiting GITHUB_TOKEN to read-only access to repository contents.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds an explicit, least-privilege permissions block to the CI GitHub Actions workflow to constrain GITHUB_TOKEN to read-only repository contents and resolve a security/code-scanning alert.

Flow diagram for CI workflow execution with restricted permissions

flowchart TD
  A[CI workflow dispatch on push or pull_request] --> B[Load workflow configuration from ci.yml]
  B --> C[Apply workflow-level permissions]
  C --> D{permissions contents read}
  D --> E[Generate GITHUB_TOKEN scoped to read repository contents]
  E --> F[Run job test]
  F --> G[Execute actions/checkout]
  G --> H[actions/checkout uses read-only GITHUB_TOKEN to fetch repo contents]
  H --> I[Run remaining test steps without elevated GitHub API access]

Loading

File-Level Changes

Change	Details	Files
Restrict GitHub Actions CI workflow GITHUB_TOKEN scope by adding explicit workflow-level permissions.	Declared a top-level permissions block in the CI workflow YAML Limited workflow permissions to contents: read so jobs can only read repository contents via GITHUB_TOKEN Ensured the permissions apply to the existing test job and any future jobs unless they override permissions	.github/workflows/ci.yml

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