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fastmcp.server.auth.providers.in_memoryClasses InMemoryOAuthProvider An in-memory OAuth provider for testing purposes.
It simulates the OAuth 2.1 flow locally without external calls.
Methods: get_client get_client ( self , client_id : str ) -> OAuthClientInformationFull | None
register_client register_client ( self , client_info : OAuthClientInformationFull ) -> None
authorize authorize ( self , client : OAuthClientInformationFull , params : AuthorizationParams ) -> str
Simulates user authorization and generates an authorization code.
Returns a redirect URI with the code and state.
load_authorization_code load_authorization_code ( self , client : OAuthClientInformationFull , authorization_code : str ) -> AuthorizationCode | None
exchange_authorization_code exchange_authorization_code ( self , client : OAuthClientInformationFull , authorization_code : AuthorizationCode ) -> OAuthToken
load_refresh_token load_refresh_token ( self , client : OAuthClientInformationFull , refresh_token : str ) -> RefreshToken | None
exchange_refresh_token exchange_refresh_token ( self , client : OAuthClientInformationFull , refresh_token : RefreshToken , scopes : list [ str ]) -> OAuthToken
load_access_token load_access_token ( self , token : str ) -> AccessToken | None
verify_token verify_token ( self , token : str ) -> AccessToken | None
Verify a bearer token and return access info if valid.
This method implements the TokenVerifier protocol by delegating
to our existing load_access_token method.
Args:
token: The token string to validate
Returns:
AccessToken object if valid, None if invalid or expired
revoke_token revoke_token ( self , token : AccessToken | RefreshToken ) -> None
Revokes an access or refresh token and its counterpart. 
