o b)@stddlZddlmZddlmZddlmZmZddlmZm Z m Z ddl m Z e eZd ZGd d d eeZdS) N)jwt) JoseError) BaseGrantTokenEndpointMixin)UnauthorizedClientErrorInvalidRequestErrorInvalidGrantErrorsign_jwt_bearer_assertionz+urn:ietf:params:oauth:grant-type:jwt-bearerc@sZeZdZeZe  dddZddZddZdd Z d d Z d d Z ddZ ddZ dS)JWTBearerGrantNcKst|||||||fi|S)Nr )keyZissuerZaudiencesubjectZ issued_atZ expires_atclaimskwargsr`/var/www/secure340b-portal/env/lib/python3.10/site-packages/authlib/oauth2/rfc7523/jwt_bearer.pysigns  zJWTBearerGrant.signcCsddiddiddiddidS)zCreate a claims_options for verify JWT payload claims. Developers MAY overwrite this method to create a more strict options. Z essentialT)ZisssubZaudexpr)selfrrrcreate_claims_optionss z$JWTBearerGrant.create_claims_optionsc CsVtj||j|d}z|W|Sty*}z td|t|j dd}~ww)a#Extract JWT payload claims from request "assertion", per `Section 3.1`_. :param assertion: assertion string value in the request :return: JWTClaims :raise: InvalidGrantError .. _`Section 3.1`: https://tools.ietf.org/html/rfc7523#section-3.1 )Zclaims_optionszAssertion Error: %r) descriptionN) rdecoderesolve_public_keyrvalidaterlogdebugr r)r assertionrerrrprocess_assertion_claims&s    z'JWTBearerGrant.process_assertion_claimscCsp|jjd}|s td||}||}td|||j s&t ||j_ | | |||j_dS)aThe client makes a request to the token endpoint by sending the following parameters using the "application/x-www-form-urlencoded" format per `Section 2.1`_: grant_type REQUIRED. Value MUST be set to "urn:ietf:params:oauth:grant-type:jwt-bearer". assertion REQUIRED. Value MUST contain a single JWT. scope OPTIONAL. The following example demonstrates an access token request with a JWT as an authorization grant: .. code-block:: http POST /token.oauth2 HTTP/1.1 Host: as.example.com Content-Type: application/x-www-form-urlencoded grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Ajwt-bearer &assertion=eyJhbGciOiJFUzI1NiIsImtpZCI6IjE2In0. eyJpc3Mi[...omitted for brevity...]. J9l-ZhwP[...omitted for brevity...] .. _`Section 2.1`: https://tools.ietf.org/html/rfc7523#section-2.1 rzMissing "assertion" in requestzValidate token request of %sN)requestformgetrr!authenticate_clientrrZcheck_grant_type GRANT_TYPErclientZvalidate_requested_scopeauthenticate_useruser)rrrr'rrrvalidate_token_request:s    z%JWTBearerGrant.validate_token_requestcCs:|j|jjdd}td||jj||d||jfS)zZIf valid and authorized, the authorization server issues an access token. F)scopeZinclude_refresh_tokenzIssue token %r to %r)Zgenerate_tokenr"r+rrr'Z save_tokenZTOKEN_RESPONSE_HEADER)rtokenrrrcreate_token_responsehs  z$JWTBearerGrant.create_token_responsecCt)aAuthenticate user with the given assertion claims. Developers MUST implement it in subclass, e.g.:: def authenticate_user(self, client, claims): user = User.get_by_sub(claims['sub']) if is_authorized_to_client(user, client): return user :param client: OAuth Client instance :param claims: assertion payload claims :return: User instance NotImplementedError)rr'rrrrr(ts z JWTBearerGrant.authenticate_usercCr/)a4Authenticate client with the given assertion claims. Developers MUST implement it in subclass, e.g.:: def authenticate_client(self, claims): return Client.get_by_iss(claims['iss']) :param claims: assertion payload claims :return: Client instance r0)rrrrrr%s z"JWTBearerGrant.authenticate_clientcCr/)aFind public key to verify assertion signature. Developers MUST implement it in subclass, e.g.:: def resolve_public_key(self, headers, payload): jwk_set = get_jwk_set_by_iss(payload['iss']) return filter_jwk_set(jwk_set, headers['kid']) :param headers: JWT headers dict :param payload: JWT payload dict :return: A public key r0)rheaderspayloadrrrrs z!JWTBearerGrant.resolve_public_key)NNNN)__name__ __module__ __qualname__JWT_BEARER_GRANT_TYPEr& staticmethodrrr!r*r.r(r%rrrrrr s  .  r )loggingZ authlib.joserZauthlib.jose.errorsrZrfc6749rrrrr rr getLoggerr4rr7r rrrrs