feat: implement RFC 6750 Bearer token authentication #18644
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This was referenced Jun 27, 2025
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This was referenced Jun 27, 2025
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- Add RFC 6750 bearer token extraction to APITokenFromRequest as fallback methods - Support Authorization: Bearer <token> header and access_token query parameter - Maintain backward compatibility by prioritizing existing custom methods first - Add WWW-Authenticate headers to 401/403 responses per RFC 6750 - Update Protected Resource Metadata to advertise bearer_methods_supported - Add comprehensive test suite for RFC 6750 compliance in rfc6750_test.go - Update MCP test scripts with bearer token authentication tests - Enhance CLAUDE.md with improved Go LSP tool usage guidelines Implements RFC 6750 Section 2.1 (Authorization Request Header Field) and 2.3 (URI Query Parameter). Maintains full backward compatibility with existing Coder authentication methods. Completes major MCP OAuth2 compliance milestone. Change-Id: Ic9c9057153b40728ad91b377d753a7ffd566add7 Signed-off-by: Thomas Kosiewski <tk@coder.com>
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Add RFC 6750 Bearer Token Authentication Support
This PR implements RFC 6750 Bearer Token authentication as an additional authentication method for Coder's API. This allows clients to authenticate using standard OAuth 2.0 Bearer tokens in two ways:
Authorization: Bearer <token>headeraccess_tokenquery parameterKey changes:
These authentication methods are added as fallback options, maintaining backward compatibility with Coder's existing authentication mechanisms. The existing authentication methods (cookies, session token header, etc.) still take precedence.
This implementation follows the OAuth 2.0 Bearer Token specification (RFC 6750) and improves interoperability with standard OAuth 2.0 clients.