o i @sXdZddlmZddlZddlmZddlmZddl m Z e e Z GdddeZdS) zEnhanced authentication middleware with better error messages. This module provides enhanced versions of MCP SDK authentication middleware that return more helpful error messages for developers troubleshooting authentication issues. ) annotationsN)RequireAuthMiddleware)Send) get_loggerc@seZdZdZdd d Zd S)raEnhanced authentication middleware with detailed error messages. Extends the SDK's RequireAuthMiddleware to provide more actionable error messages when authentication fails. This helps developers understand what went wrong and how to fix it. sendr status_codeinterrorstr descriptionreturnNonec s|}|dkr|dkrd}n|dkr d|dd|dg}|jr,|d|jdd d |}||d }t|} |d |d dtt| fd|fgdIdH|d| dIdHt d||dS)aSend an authentication error response with enhanced error messages. Overrides the SDK's _send_auth_error to provide more detailed error descriptions that help developers troubleshoot authentication issues. Args: send: ASGI send callable status_code: HTTP status code (401 or 403) error: OAuth error code description: Base error description invalid_tokenizAuthentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in your MCP client and reconnect. Your client should automatically re-register and obtain new tokens.insufficient_scopezerror=""zerror_description="zresource_metadata="zBearer z, )r error_descriptionzhttp.response.start)s content-typesapplication/jsonscontent-lengthswww-authenticate)typestatusheadersNzhttp.response.body)rbodyz#Auth error returned: %s (status=%d)) resource_metadata_urlappendjoinjsondumpsencoder lenloggerinfo) selfrrr r enhanced_descriptionwww_auth_partswww_authenticater body_bytesr$d/var/www/html/karishye-ai-python/venv/lib/python3.10/site-packages/fastmcp/server/auth/middleware.py_send_auth_errorsD       z&RequireAuthMiddleware._send_auth_errorN) rrrrr r r r r r )__name__ __module__ __qualname____doc__r&r$r$r$r%rsr) r* __future__rr&mcp.server.auth.middleware.bearer_authrSDKRequireAuthMiddlewarestarlette.typesrfastmcp.utilities.loggingrr'rr$r$r$r%s