~h:ddlZddlmZddlmZddlmZddlmZddlmZddlmZdd lm Z dd lm Z d d l m Z ejeZd ZGddee Zy)N) JoseError)jwt) BaseGrant)InvalidClientError)InvalidGrantError)InvalidRequestError)TokenEndpointMixin)UnauthorizedClientErrorsign_jwt_bearer_assertionz+urn:ietf:params:oauth:grant-type:jwt-bearercveZdZeZddiddiddidZdZe ddZdZ dZ d Z d Z d Z d Zd ZdZy)JWTBearerGrant essentialT)issaudexp<Nc &t|||||||fi|S)Nr )keyissueraudiencesubject issued_at expires_atclaimskwargss ]/opt/mcp/mcp-sentiment/venv/lib/python3.12/site-packages/authlib/oauth2/rfc7523/jwt_bearer.pysignzJWTBearerGrant.sign!s() 7Iz6 MS  c tj||j|j}|j |j |S#t $r2}tjd|t|j|d}~wwxYw)a#Extract JWT payload claims from request "assertion", per `Section 3.1`_. :param assertion: assertion string value in the request :return: JWTClaims :raise: InvalidGrantError .. _`Section 3.1`: https://tools.ietf.org/html/rfc7523#section-3.1 )claims_options)leewayzAssertion Error: %r descriptionN) rdecoderesolve_public_keyCLAIMS_OPTIONSvalidateLEEWAYrlogdebugrr&)self assertionres rprocess_assertion_claimsz'JWTBearerGrant.process_assertion_claims0sx FZZ4224CVCVF OO4;;O /  F II+Q /# >A E FsAA B-BBcP|j|d}|j|||S)Nr)resolve_issuer_clientresolve_client_key)r.headerspayloadclients rr(z!JWTBearerGrant.resolve_public_keyDs+++GEN;&&vw@@r!cz|jjjd}|s td|j |}|j |d}t jd||j|jstd|jd||j_ |j|jd}|rf|j|}|s td t jd |||j||s t!d ||j_y y ) aThe client makes a request to the token endpoint by sending the following parameters using the "application/x-www-form-urlencoded" format per `Section 2.1`_: grant_type REQUIRED. Value MUST be set to "urn:ietf:params:oauth:grant-type:jwt-bearer". assertion REQUIRED. Value MUST contain a single JWT. scope OPTIONAL. The following example demonstrates an access token request with a JWT as an authorization grant: .. code-block:: http POST /token.oauth2 HTTP/1.1 Host: as.example.com Content-Type: application/x-www-form-urlencoded grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Ajwt-bearer &assertion=eyJhbGciOiJFUzI1NiIsImtpZCI6IjE2In0. eyJpc3Mi[...omitted for brevity...]. J9l-ZhwP[...omitted for brevity...] .. _`Section 2.1`: https://tools.ietf.org/html/rfc7523#section-2.1 r/zMissing 'assertion' in requestrzValidate token request of %sz0The client is not authorized to use 'grant_type='subz Invalid 'sub' value in assertionr%z'Check client(%s) permission to User(%s)z,Client has no permission to access user dataN)requestformgetr r1r3r,r-check_grant_type GRANT_TYPEr r7validate_requested_scopeauthenticate_userrhas_granted_permissionruser)r.r/rr7rrCs rvalidate_token_requestz%JWTBearerGrant.validate_token_requestHs>LL%%))+6 %&FG G..y9++F5M: 0&9&&t7)B4??BSSTU %  %%'**U# ))'2D'4VWW II? N..vt<( N!%DLL  r!c$|j|jjj|jjd}t j d||jj|j|d||jfS)zZIf valid and authorized, the authorization server issues an access token. F)scoperCinclude_refresh_tokenzIssue token %r to %r) generate_tokenr;r6rFrCr,r-r7 save_tokenTOKEN_RESPONSE_HEADER)r.tokens rcreate_token_responsez$JWTBearerGrant.create_token_responsesx##,,&&,,"""'$  (%1D1DE E45555r!ct)a1Fetch client via "iss" in assertion claims. Developers MUST implement this method in subclass, e.g.:: def resolve_issuer_client(self, issuer): return Client.query_by_iss(issuer) :param issuer: "iss" value in assertion :return: Client instance NotImplementedError)r.rs rr3z$JWTBearerGrant.resolve_issuer_client "##r!ct)auResolve client key to decode assertion data. Developers MUST implement this method in subclass. For instance, there is a "jwks" column on client table, e.g.:: def resolve_client_key(self, client, headers, payload): # from authlib.jose import JsonWebKey key_set = JsonWebKey.import_key_set(client.jwks) return key_set.find_by_kid(headers["kid"]) :param client: instance of OAuth client model :param headers: headers part of the JWT :param payload: payload part of the JWT :return: ``authlib.jose.Key`` instance rO)r.r7r5r6s rr4z!JWTBearerGrant.resolve_client_keys "##r!ct)a%Authenticate user with the given assertion claims. Developers MUST implement it in subclass, e.g.:: def authenticate_user(self, subject): return User.get_by_sub(subject) :param subject: "sub" value in claims :return: User instance rO)r.rs rrAz JWTBearerGrant.authenticate_userrQr!ct)aCheck if the client has permission to access the given user's resource. Developers MUST implement it in subclass, e.g.:: def has_granted_permission(self, client, user): permission = ClientUserGrant.query(client=client, user=user) return permission.granted :param client: instance of OAuth client model :param user: instance of User model :return: bool rO)r.r7rCs rrBz%JWTBearerGrant.has_granted_permissions "##r!)NNNN)__name__ __module__ __qualname__JWT_BEARER_GRANT_TYPEr?r)r+ staticmethodr r1r(rDrMr3r4rArBr!rrrsy&J T"T"T"NF     (A:%x 6 $$$ $ $r!r)logging authlib.joserrrfc6749rrrr r r r/r getLoggerrUr,rXrrZr!rr_sL"(')(-0g!Eu$Y 2u$r!