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OAuth parse token array-type claims #16

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@jannejjj jannejjj commented Aug 8, 2024

closes #15

  • Added logic where we check if more than one claim with the same type exists, and if yes, group these under the same dictionary entry in claims using LINQ.
  • Created a second JWT for testing, which contains an array-type claim. Also added the JWK version of the public key of this into JwkKeys.json, and the PEM version of both the private and public key into README in case the JWT needs to be modified in the future for testing.
  • Added a test case for the handling of array-type claims.

Summary by CodeRabbit

  • New Features

    • Introduced support for handling array-type claims in token parsing, enhancing user role and permission management.
    • Added a testing file with a Bearer token example for improved validation of array-type claims.
    • Expanded JSON Web Keys (JWKs) structure to support multiple keys, facilitating better key management and security.
  • Bug Fixes

    • Improved handling of claims within the token parsing method to avoid duplicates and accommodate multiple values.
  • Documentation

    • Updated README to include examples of key material for testing JWTs, enhancing clarity for developers.

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coderabbitai bot commented Aug 8, 2024

Walkthrough

The recent update to Frends.OAuth.ParseToken introduces support for array-type claims within token structures, enhancing the handling of complex claims like user roles. It also expands the JSON Web Key (JWK) handling capabilities, allowing for better key management. These updates improve both the library's functionality and its testing framework, ensuring robust parsing of multiple claims in tokens.

Changes

Files Change Summary
Frends.OAuth.ParseToken/CHANGELOG.md Added entry for version 1.2.0, highlighting support for array-type claims and improvements in claims management.
Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/AuthHeaderWithArrayTypeClaim.txt Introduced a Bearer token test file with array-type claims for enhanced testing scenarios.
Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/JwkKeys.json Expanded JWK structure to include multiple keys, improving key management and security capabilities.
Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs Added a new test method for validating array-type claims in token parsing, improving test coverage.
Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs Enhanced ParseToken method to handle multiple claims of the same type, preventing duplicates and correctly processing array-type claims.
Frends.OAuth.ParseToken/README.md Added documentation on keys used for testing JWTs, providing examples for developers.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant TokenService
    participant ClaimsManager

    User->>TokenService: Request Token
    TokenService->>User: Return Bearer Token
    User->>ClaimsManager: Send Bearer Token for Validation
    ClaimsManager->>ClaimsManager: Parse and Handle Claims
    ClaimsManager->>User: Return Claims Data
Loading

Assessment against linked issues

Objective Addressed Explanation
Support for array-type claims (e.g., "scope": ["openid", ...]) (15)
Prevent ArgumentException from duplicate keys in claims (15)

🐰 "In the garden of tokens, we frolic and play,
With roles in our pockets, we hop on our way.
Array claims in hand, we parse without fear,
A world of new options has finally drawn near!
JWKs now dance, a secure little tune,
In the forest of code, we’re over the moon!" 🌟


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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between bb470a9 and f42f666.

Files selected for processing (6)
  • Frends.OAuth.ParseToken/CHANGELOG.md (1 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/AuthHeaderWithArrayTypeClaim.txt (1 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/JwkKeys.json (1 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs (2 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs (2 hunks)
  • Frends.OAuth.ParseToken/README.md (1 hunks)
Additional context used
Gitleaks
Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/AuthHeaderWithArrayTypeClaim.txt

1-1: Uncovered a JSON Web Token, which may lead to unauthorized access to web applications and sensitive user data.

(jwt)

Frends.OAuth.ParseToken/README.md

37-37: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

Additional comments not posted (6)
Frends.OAuth.ParseToken/CHANGELOG.md (1)

3-5: Changelog entry is accurate and clear.

The changelog entry for version 1.2.0 correctly describes the added support for handling array-type claims, which aligns with the PR objectives.

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/AuthHeaderWithArrayTypeClaim.txt (1)

1-1: Security concern: JWT token in test file.

The JWT token is necessary for testing array-type claims. Ensure that this token is not used in production environments and is only used for testing purposes to avoid unauthorized access.

Tools
Gitleaks

1-1: Uncovered a JSON Web Token, which may lead to unauthorized access to web applications and sensitive user data.

(jwt)

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/Files/JwkKeys.json (1)

1-28: JWK structure update is well-structured and beneficial.

The addition of multiple keys in the JWK file enhances the application's ability to manage keys effectively, supporting scenarios like key rotation and improved security.

Frends.OAuth.ParseToken/README.md (1)

37-64: Security Concern: Private Key in Documentation

Including a private key in the documentation poses a security risk, even if it is intended for testing purposes. Ensure that this key is used only in a secure, isolated testing environment and is not inadvertently deployed in production.

Tools
Gitleaks

37-37: Identified a Private Key, which may compromise cryptographic security and sensitive data encryption.

(private-key)

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs (1)

61-75: LGTM: Enhanced Claim Handling

The changes to handle array-type claims in the ParseToken method are well-implemented. The use of LINQ to group claims of the same type enhances robustness and prevents ArgumentException.

Ensure that similar handling is not required for other claim types beyond the current scope.

Verification successful

Verification Complete: No Similar Claim Handling Required Elsewhere

The current implementation in ParseToken for handling array-type claims is appropriate. There is no evidence of other claim types requiring similar handling elsewhere in the codebase.

  • The CreateJWTToken class does not implement similar logic for claim grouping or array handling.
  • Test cases confirm the handling of array-type claims specifically in ParseToken.
Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify if any other claim types require similar handling.

# Test: Search for claim handling logic. Expect: No other claim types need similar handling.
rg --type cs -A 5 $'foreach (var claim in validateToken.Claims)'

Length of output: 65


Script:

#!/bin/bash
# Search for all instances where claims are accessed or manipulated in the codebase.
rg --type cs 'Claims' -A 10

Length of output: 29090

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs (1)

58-67: LGTM: New Test for Array-Type Claims

The addition of the ParseTokenTest_WithArrayTypeClaim method effectively tests the handling of array-type claims, ensuring the updated logic is functioning as intended.

Consider reviewing test coverage for other claim scenarios to ensure comprehensive validation.

Verification successful

Test Coverage Appears Comprehensive

The UnitTests.cs file includes a variety of tests that cover different scenarios for parsing tokens, such as well-known URIs, static configurations, array-type claims, invalid audiences, and issuer variations. This suggests a robust test coverage for various claim scenarios.

  • Test Methods Found:
    • ParseTokenTest_WithWellKnownUri
    • ParseTokenTest_WithStaticConfiguration
    • ParseTokenTest_WithArrayTypeClaim
    • ParseTokenTest_Invalid_Audience_Throw
    • ParseTokenTest_Invalid_AuthHeaderOrToken_Throw
    • ParseTokenTest_Issuer_AnotherIssuer
    • ParseTokenTest_Issuer_Static
    • ParseTokenTest_SkipAudienceValidation_True
    • ParseTokenTest_SkipIssuerValidation_False
    • ParseTokenTest_SkipLifetimeValidation_False
    • ParseTokenTest_DecryptToken_True

These tests collectively ensure that the token parsing logic is validated across a wide range of scenarios.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify if there are sufficient tests for other claim scenarios.

# Test: Search for test methods in UnitTests.cs. Expect: Comprehensive coverage for various claim scenarios.
rg --type cs -A 5 $'[TestMethod]'

Length of output: 103671

@jannejjj jannejjj requested a review from jefim August 9, 2024 06:39
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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f42f666 and f2e5139.

Files selected for processing (1)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.csproj (1 hunks)
Files skipped from review due to trivial changes (1)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.csproj

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Actionable comments posted: 0

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between f2e5139 and 0fe0180.

Files selected for processing (3)
  • Frends.OAuth.ParseToken/CHANGELOG.md (1 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs (2 hunks)
  • Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs (2 hunks)
Additional comments not posted (5)
Frends.OAuth.ParseToken/CHANGELOG.md (1)

6-6: LGTM!

The changelog entry is clear and concise.

The code changes are approved.

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken/ParseToken.cs (2)

12-13: LGTM!

The added imports are necessary for the new logic handling array-type claims.

The code changes are approved.


61-75: LGTM!

The logic to handle array-type claims is correctly implemented and improves the handling of such claims.

The code changes are approved.

Frends.OAuth.ParseToken/Frends.OAuth.ParseToken.Tests/UnitTests.cs (2)

12-12: LGTM!

The added string _authHeaderWithArrayTypeClaim is necessary for the new test case.

The code changes are approved.


58-67: LGTM!

The test case ParseTokenTest_WithArrayTypeClaim is correctly implemented and ensures the functionality correctly processes array-type claims.

The code changes are approved.

@jannejjj
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Grouped this change under 1.2.0 along with changes made in #18

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OAuth.ParseToken - bug report
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