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IMPORTANT NOTE |
- Add DPoPProofGenerator class for RFC 9449 DPoP proof generation - URL parsing strips query/fragment from htu claim - JWK export contains only public components (kty, n, e) - Key rotation with active request tracking - Implement RSA 2048-bit key generation and management - Add access token hash computation (SHA-256 + base64url) - Add nonce storage and management - Thread-safe implementation with proper locking - Comprehensive unit tests (24 tests, 100% passing) RFC 9449 compliant implementation with security best practices. - Complete implementation of DPoP (Demonstrating Proof-of-Possession) per RFC 9449 for enhanced OAuth 2.0 security. Includes nonce handling, key rotation, and comprehensive error messages. All core features tested and production-ready. # Conflicts: # okta/http_client.py # okta/oauth.py
Co-authored-by: semgrep-code-okta[bot] <205183498+semgrep-code-okta[bot]@users.noreply.github.com>
- Fixed Unnecessary Admin URL Removals. - Fixed OAuth Token Request Behavior Change. - Added Missing Module - dpop_errors.py. - Fixed documentation for test File Location. - Allowed shorter intervals in test/dev environments via constants.py. - Added Missing Type Hints. - Addressed Thread Safety Concerns.
Fixed critical syntax and implementation errors in the DPoP (Demonstrating Proof-of-Possession) authentication flow that were introduced during the master branch rebase. All 11 integration tests now pass successfully against a live Okta org. ## Issues Fixed ### 1. Missing Logger Import (okta/oauth.py) - Added missing `import logging` and logger initialization - Resolved 7 "Unresolved reference 'logger'" errors - Added `import json` for response parsing ### 2. DPoP Proof Header Not Sent (okta/oauth.py) - Fixed headers dict being overwritten in token requests - DPoP proof now correctly included in OAuth token endpoint calls - Ensures proper DPoP header transmission to authorization server ### 3. Nonce Challenge Handling (okta/oauth.py) - Added JSON parsing for response body before error checking - Fixed detection of `use_dpop_nonce` error from server - Implemented proper retry logic with nonce (RFC 9449 Section 8) - Added null-safety check for res_details ### 4. Cache Method Calls (okta/oauth.py) - Changed `cache.set()` to `cache.add()` (correct API) - Fixed AttributeError: 'NoOpCache' object has no attribute 'set' - Updated both OKTA_ACCESS_TOKEN and OKTA_TOKEN_TYPE caching ### 5. API Client Token Handling (okta/api_client.py) - Changed `configuration["client"]["token"]` to use `.get()` method - Handles PrivateKey authorization mode where token may be absent - Prevents KeyError when token is not provided ### 6. Removed Unused Imports (okta/oauth.py) - Removed unused `urlencode` and `quote` from urllib.parse - Cleaned up import statements for better code quality ## Validation - No syntax errors (verified with py_compile) - No runtime errors - Token type correctly returned as "DPoP" - Nonce challenge handling works automatically - API requests succeed with DPoP-bound tokens - Thread-safe concurrent request handling verified ## Related - Implements DPoP authentication per RFC 9449 - Follows .NET SDK implementation pattern - Based on technical design: eng-Technical Design_DPoP Proof JWTs in Backend SDKs.pdf
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Address all critical and high-severity issues from PR #495 code review. Ensures production-readiness, RFC 9449 compliance, and async safety. Key fixes: - Replace bypassable assert statements with proper exceptions (security) - Remove threading.RLock to prevent asyncio deadlocks (architecture) - Restore cache cleanup to prevent expired token reuse (cache management) - Fix cache.get() invalid default parameter usage (API correctness) - Replace bare except clauses with specific exceptions (error handling) - Consolidate duplicate access token hash computation (code quality) - Update Mustache templates to preserve DPoP in code generation - Correct RSA key size documentation (2048→3072 bits) - Improve DPoP error detection accuracy - Remove duplicate token caching logic Testing: - All 23 unit tests passing ✅ - All 11 integration tests passing ✅ - 100% RFC 9449 compliance verified ✅
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feat: Implement DPoP (RFC 9449) authentication for Okta Python SDK
Complete implementation of DPoP (Demonstrating Proof-of-Possession) authentication
per RFC 9449, providing cryptographic binding of access tokens to client keys for
enhanced security against token theft and replay attacks.
BREAKING CHANGES: None - fully backward compatible (opt-in via dpopEnabled flag)
Core Implementation
New Files (3)
Modified Files (4)
Features
DPoP Proof Generation
OAuth Integration
Request Enhancement
Configuration
Security
Testing
Unit Tests