refactor: refactor codebase to use jwt.MapClaims directly #349
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- Remove the MapClaims type alias and use jwt.MapClaims directly throughout the codebase - Update all function signatures and implementations to replace MapClaims with jwt.MapClaims - Refactor related tests to use jwt.MapClaims instead of MapClaims Signed-off-by: Bo-Yi Wu <[email protected]>
WalkthroughThe changes remove a custom type alias for JWT claims and replace all references to it with the direct usage of Changes
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🧰 Additional context used🧬 Code Graph Analysis (1)auth_jwt_test.go (1)
🔇 Additional comments (12)
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Summary of Changes
Hello @appleboy, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request undertakes a refactoring initiative to simplify the codebase by eliminating an unnecessary type alias. By directly utilizing jwt.MapClaims from the underlying JWT library, the changes enhance code clarity, reduce abstraction, and promote consistency with external dependencies across the main application logic and its associated test suite.
Highlights
- Type Alias Removal: The custom
MapClaimstype alias, which was a direct alias forjwt.MapClaims, has been removed. The codebase now directly usesjwt.MapClaimsfrom thegithub.com/dgrijalva/jwt-golibrary. - Function Signature Updates: All function signatures and struct fields that previously used the
MapClaimsalias, such asPayloadFunc,GetClaimsFromJWT,ExtractClaims, andExtractClaimsFromToken, have been updated to directly referencejwt.MapClaims. - Codebase Consistency: Internal variable declarations, type assertions, and initializations (e.g.,
claims := MapClaims{}becomingclaims := jwt.MapClaims{}) have been refactored to align with the direct usage ofjwt.MapClaims. - Test Suite Alignment: Corresponding test cases in
auth_jwt_test.gohave been updated to reflect the changes, ensuring that the tests continue to function correctly with the directjwt.MapClaimstype.
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Code Review
This pull request is a nice refactoring that removes the local MapClaims alias in favor of using jwt.MapClaims directly, which improves code clarity. The changes look correct.
I've added a few suggestions to improve efficiency and robustness in areas touched by this refactoring. Specifically:
- Replacing manual claim-copying loops with direct, safe type assertions. This avoids unnecessary allocations and prevents potential panics.
- Pointing out a potentially useless test helper function that could be removed to clean up the test suite.
Overall, a good change. Addressing the comments will make the code even more robust.
| } | ||
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| return claims.(MapClaims) | ||
| return claims.(jwt.MapClaims) |
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This type assertion can panic if the value stored in JWT_PAYLOAD is not of type jwt.MapClaims. This could happen due to a programming error elsewhere. It's safer to use the value, ok form of type assertion to handle this case gracefully.
I'd suggest replacing this line with a safe check:
if mapClaims, ok := claims.(jwt.MapClaims); ok {
return mapClaims
}
return make(jwt.MapClaims)| claims := jwt.MapClaims{} | ||
| for key, value := range token.Claims.(jwt.MapClaims) { | ||
| claims[key] = value | ||
| } |
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This block of code creates a new map and copies all claims from the token. This is inefficient as it allocates a new map and iterates over all claims. Additionally, the type assertion token.Claims.(jwt.MapClaims) will cause a panic if the assertion fails.
A better approach is to perform a safe type assertion and return the claims map directly. This improves both performance and robustness.
Consider refactoring this block (lines 514-519) to:
claims, ok := token.Claims.(jwt.MapClaims)
if !ok {
return nil, errors.New("invalid token claims type")
}
return claims, nil| claims := jwt.MapClaims{} | ||
| for key, value := range token.Claims.(jwt.MapClaims) { | ||
| claims[key] = value | ||
| } |
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Similar to GetClaimsFromJWT, this block of code is inefficiently copying claims and uses a panic-prone type assertion.
You can refactor this section to directly return the claims after a safe type assertion, which is more performant and robust. Here's a suggested implementation for lines 830 through 835:
if claims, ok := token.Claims.(jwt.MapClaims); ok {
return claims
}
return make(jwt.MapClaims)| func ConvertClaims(claims jwt.MapClaims) map[string]interface{} { | ||
| return map[string]interface{}{} | ||
| } |
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This test helper function ConvertClaims is currently a stub that always returns an empty map. Its only usage is in TestEmptyClaims on a value that is already asserted to be empty, making this call redundant. The function as it stands serves no purpose.
Please consider either implementing it fully if it's a placeholder, or removing the function and its call from TestEmptyClaims to improve code clarity.
Summary by CodeRabbit
jwt.MapClaimstype throughout the application and tests. No changes to logic or user-facing behavior.