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FlourishHealth / ferns-api

Apache License 2.0
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Allow Authorization Secret in headers #456

Closed kjkurtz closed 2 weeks ago

kjkurtz commented 2 weeks ago

PR Type

enhancement

Description

Changes walkthrough 📝

Relevant files
Enhancement
auth.ts
Support "Secret" prefix in authorization headers                 
src/auth.ts
  • Added support for "Secret" prefix in authorization headers.
  • Bypasses JWT decoding for requests with "Secret" prefix.
    		•  +5/-0     

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    codiumai-pr-agent-pro[bot] commented 2 weeks ago

    PR Reviewer Guide 🔍

    Here are some key observations to aid the review process:

    ⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪
    🧪 No relevant tests
    🔒 Security concerns

    Authorization bypass:
    The new code allows requests with a "Secret" prefix in the authorization header to bypass JWT decoding. This change could potentially be exploited if not properly implemented and validated. It's crucial to ensure that this bypass is only used for intended purposes and that proper authentication and authorization checks are still performed for these requests. Additionally, the use of a simple string prefix ("Secret") for bypassing security checks could be vulnerable to spoofing if not adequately protected.
    ⚡ Recommended focus areas for review

    Security Concern
    The new code allows bypassing JWT decoding for requests with a "Secret" prefix in the authorization header. This change might introduce security vulnerabilities if not properly implemented and validated. Potential Bug
    The new code assumes that the authorization header always contains a space-separated value. This might lead to errors if the header format is different or if the header is missing.
    codiumai-pr-agent-pro[bot] commented 2 weeks ago

    PR Code Suggestions ✨

    Explore these optional code suggestions:

    CategorySuggestion                                                                                                                                    Score
    Enhancement
    Improve the robustness of string comparisons in conditional statements ___ **Implement a more robust check for the "Secret" prefix by trimming whitespace and
    using case-insensitive comparison.** [src/auth.ts [217-219]](https://github.com/FlourishHealth/ferns-api/pull/456/files#diff-84a5d130fb4cccb80f78601d140f1d5397dc0272f94cea672a8470539fcf6dc7R217-R219) ```diff -if (req?.headers?.authorization?.split(" ")[0] === "Secret") { +const authHeader = req?.headers?.authorization?.trim(); +if (authHeader?.toLowerCase().startsWith("secret ")) { return next(); } ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 9 Why: Implementing a more robust check by trimming whitespace and using a case-insensitive comparison enhances reliability and prevents potential errors due to formatting issues in the authorization header.
    		9
    Best practice
    Use a constant for string literals to improve code maintainability ___ **Consider using a constant for the "Secret" prefix to improve maintainability and
    reduce the risk of typos.** [src/auth.ts [217-219]](https://github.com/FlourishHealth/ferns-api/pull/456/files#diff-84a5d130fb4cccb80f78601d140f1d5397dc0272f94cea672a8470539fcf6dc7R217-R219) ```diff -if (req?.headers?.authorization?.split(" ")[0] === "Secret") { +const SECRET_PREFIX = "Secret"; +if (req?.headers?.authorization?.split(" ")[0] === SECRET_PREFIX) { return next(); } ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 7 Why: Using a constant for the "Secret" prefix improves maintainability by reducing the risk of typos and making future changes easier. This is a good practice for managing string literals.
    		7
    Maintainability
    Add logging for important conditional branches to aid in debugging and monitoring ___ **Consider adding a log statement when a request with a "Secret" prefix is detected,
    to aid in debugging and monitoring.** [src/auth.ts [217-219]](https://github.com/FlourishHealth/ferns-api/pull/456/files#diff-84a5d130fb4cccb80f78601d140f1d5397dc0272f94cea672a8470539fcf6dc7R217-R219) ```diff if (req?.headers?.authorization?.split(" ")[0] === "Secret") { + console.log("Request with Secret prefix detected"); return next(); } ``` - [ ] **Apply this suggestion**
    Suggestion importance[1-10]: 6 Why: Adding a log statement when a request with a "Secret" prefix is detected can be useful for debugging and monitoring, although it may not be critical, it provides valuable insights during development and troubleshooting.
    		6

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