Potential fix for code scanning alert no. 17: Workflow does not contain permissions

[DaTiC0]

Potential fix for https://github.com/DaTiC0/smart-google/security/code-scanning/17

To fix the problem, explicitly define permissions for the workflow or the build job so that the GITHUB_TOKEN has only the minimal required access. Since this workflow only reads repository contents and does not modify issues, PRs, releases, etc., contents: read is sufficient as a baseline. Placing permissions at the root level (alongside name and on) will apply it to all jobs in the workflow, which is appropriate here as there is only one job.

Concretely, edit .github/workflows/python-app.yml and add a permissions block near the top of the file, after the name: line and before the on: block. The new block should be:

permissions:
  contents: read

No imports or additional methods are needed, as this is purely a YAML configuration change within the existing workflow file. Existing functionality (checkout, setup-python, pip install, flake8, pytest) will continue to work, because they only require read access to repository contents.

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Summary by Sourcery

CI:

• Define explicit minimal GitHub token permissions (contents: read) for the python-app workflow to address code scanning alerts.

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR tightens the security posture of the Python application GitHub Actions workflow by explicitly scoping the GITHUB_TOKEN permissions to read-only repository contents at the workflow level.

Flow diagram for Python application CI workflow with restricted permissions

flowchart TD
    A["Push to main branch"] --> B["python-app workflow triggered"]
    B --> C["permissions: contents: read applied at workflow level"]
    C --> D["Job build starts"]
    D --> E["Checkout repository (actions/checkout)"]
    E --> F["Set up Python (actions/setup-python)"]
    F --> G["Install dependencies with pip"]
    G --> H["Run flake8 linting"]
    H --> I["Run pytest test suite"]
    I --> J["Report job status back to GitHub"]

    C --> K["GITHUB_TOKEN scoped to read-only contents"]
    K -. used by .-> E
    K -. used by .-> G
    K -. used by .-> H
    K -. used by .-> I

Loading

File-Level Changes

Change	Details	Files
Restrict default GITHUB_TOKEN permissions in the Python application GitHub Actions workflow to read-only repository contents.	Add a top-level permissions block to the workflow YAML configuration. Configure contents permission to read to apply to all jobs in the workflow. Ensure existing build, lint, and test steps continue to operate under the reduced permission scope.	.github/workflows/python-app.yml

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