mirror of
https://github.com/clinton-hall/nzbToMedia.git
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0acf78f196
Added migration code to migrate SickBeard section with fork sickrage-api to new SiCKRAGE section
243 lines
10 KiB
Python
243 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""
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oauthlib.oauth2.rfc6749.endpoint.metadata
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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An implementation of the `OAuth 2.0 Authorization Server Metadata`.
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.. _`OAuth 2.0 Authorization Server Metadata`: https://tools.ietf.org/html/rfc8414
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"""
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from __future__ import absolute_import, unicode_literals
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import copy
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import json
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import logging
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from ....common import unicode_type
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from .base import BaseEndpoint, catch_errors_and_unavailability
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from .authorization import AuthorizationEndpoint
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from .introspect import IntrospectEndpoint
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from .token import TokenEndpoint
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from .revocation import RevocationEndpoint
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from .. import grant_types
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log = logging.getLogger(__name__)
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class MetadataEndpoint(BaseEndpoint):
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"""OAuth2.0 Authorization Server Metadata endpoint.
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This specification generalizes the metadata format defined by
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`OpenID Connect Discovery 1.0` in a way that is compatible
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with OpenID Connect Discovery while being applicable to a wider set
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of OAuth 2.0 use cases. This is intentionally parallel to the way
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that OAuth 2.0 Dynamic Client Registration Protocol [`RFC7591`_]
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generalized the dynamic client registration mechanisms defined by
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OpenID Connect Dynamic Client Registration 1.0
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in a way that is compatible with it.
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.. _`OpenID Connect Discovery 1.0`: https://openid.net/specs/openid-connect-discovery-1_0.html
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.. _`RFC7591`: https://tools.ietf.org/html/rfc7591
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"""
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def __init__(self, endpoints, claims={}, raise_errors=True):
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assert isinstance(claims, dict)
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for endpoint in endpoints:
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assert isinstance(endpoint, BaseEndpoint)
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BaseEndpoint.__init__(self)
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self.raise_errors = raise_errors
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self.endpoints = endpoints
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self.initial_claims = claims
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self.claims = self.validate_metadata_server()
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@catch_errors_and_unavailability
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def create_metadata_response(self, uri, http_method='GET', body=None,
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headers=None):
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"""Create metadata response
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"""
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headers = {
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'Content-Type': 'application/json'
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}
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return headers, json.dumps(self.claims), 200
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def validate_metadata(self, array, key, is_required=False, is_list=False, is_url=False, is_issuer=False):
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if not self.raise_errors:
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return
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if key not in array:
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if is_required:
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raise ValueError("key {} is a mandatory metadata.".format(key))
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elif is_issuer:
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if not array[key].startswith("https"):
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raise ValueError("key {}: {} must be an HTTPS URL".format(key, array[key]))
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if "?" in array[key] or "&" in array[key] or "#" in array[key]:
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raise ValueError("key {}: {} must not contain query or fragment components".format(key, array[key]))
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elif is_url:
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if not array[key].startswith("http"):
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raise ValueError("key {}: {} must be an URL".format(key, array[key]))
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elif is_list:
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if not isinstance(array[key], list):
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raise ValueError("key {}: {} must be an Array".format(key, array[key]))
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for elem in array[key]:
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if not isinstance(elem, unicode_type):
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raise ValueError("array {}: {} must contains only string (not {})".format(key, array[key], elem))
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def validate_metadata_token(self, claims, endpoint):
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"""
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If the token endpoint is used in the grant type, the value of this
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parameter MUST be the same as the value of the "grant_type"
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parameter passed to the token endpoint defined in the grant type
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definition.
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"""
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self._grant_types.extend(endpoint._grant_types.keys())
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claims.setdefault("token_endpoint_auth_methods_supported", ["client_secret_post", "client_secret_basic"])
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self.validate_metadata(claims, "token_endpoint_auth_methods_supported", is_list=True)
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self.validate_metadata(claims, "token_endpoint_auth_signing_alg_values_supported", is_list=True)
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self.validate_metadata(claims, "token_endpoint", is_required=True, is_url=True)
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def validate_metadata_authorization(self, claims, endpoint):
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claims.setdefault("response_types_supported",
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list(filter(lambda x: x != "none", endpoint._response_types.keys())))
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claims.setdefault("response_modes_supported", ["query", "fragment"])
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# The OAuth2.0 Implicit flow is defined as a "grant type" but it is not
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# using the "token" endpoint, as such, we have to add it explicitly to
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# the list of "grant_types_supported" when enabled.
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if "token" in claims["response_types_supported"]:
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self._grant_types.append("implicit")
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self.validate_metadata(claims, "response_types_supported", is_required=True, is_list=True)
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self.validate_metadata(claims, "response_modes_supported", is_list=True)
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if "code" in claims["response_types_supported"]:
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code_grant = endpoint._response_types["code"]
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if not isinstance(code_grant, grant_types.AuthorizationCodeGrant) and hasattr(code_grant, "default_grant"):
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code_grant = code_grant.default_grant
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claims.setdefault("code_challenge_methods_supported",
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list(code_grant._code_challenge_methods.keys()))
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self.validate_metadata(claims, "code_challenge_methods_supported", is_list=True)
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self.validate_metadata(claims, "authorization_endpoint", is_required=True, is_url=True)
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def validate_metadata_revocation(self, claims, endpoint):
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claims.setdefault("revocation_endpoint_auth_methods_supported",
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["client_secret_post", "client_secret_basic"])
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self.validate_metadata(claims, "revocation_endpoint_auth_methods_supported", is_list=True)
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self.validate_metadata(claims, "revocation_endpoint_auth_signing_alg_values_supported", is_list=True)
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self.validate_metadata(claims, "revocation_endpoint", is_required=True, is_url=True)
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def validate_metadata_introspection(self, claims, endpoint):
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claims.setdefault("introspection_endpoint_auth_methods_supported",
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["client_secret_post", "client_secret_basic"])
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self.validate_metadata(claims, "introspection_endpoint_auth_methods_supported", is_list=True)
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self.validate_metadata(claims, "introspection_endpoint_auth_signing_alg_values_supported", is_list=True)
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self.validate_metadata(claims, "introspection_endpoint", is_required=True, is_url=True)
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def validate_metadata_server(self):
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"""
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Authorization servers can have metadata describing their
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configuration. The following authorization server metadata values
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are used by this specification. More details can be found in
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`RFC8414 section 2`_ :
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issuer
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REQUIRED
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authorization_endpoint
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URL of the authorization server's authorization endpoint
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[`RFC6749#Authorization`_]. This is REQUIRED unless no grant types are supported
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that use the authorization endpoint.
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token_endpoint
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URL of the authorization server's token endpoint [`RFC6749#Token`_]. This
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is REQUIRED unless only the implicit grant type is supported.
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scopes_supported
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RECOMMENDED.
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response_types_supported
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REQUIRED.
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* Other OPTIONAL fields:
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jwks_uri
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registration_endpoint
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response_modes_supported
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grant_types_supported
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OPTIONAL. JSON array containing a list of the OAuth 2.0 grant
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type values that this authorization server supports. The array
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values used are the same as those used with the "grant_types"
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parameter defined by "OAuth 2.0 Dynamic Client Registration
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Protocol" [`RFC7591`_]. If omitted, the default value is
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"["authorization_code", "implicit"]".
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token_endpoint_auth_methods_supported
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token_endpoint_auth_signing_alg_values_supported
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service_documentation
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ui_locales_supported
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op_policy_uri
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op_tos_uri
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revocation_endpoint
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revocation_endpoint_auth_methods_supported
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revocation_endpoint_auth_signing_alg_values_supported
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introspection_endpoint
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introspection_endpoint_auth_methods_supported
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introspection_endpoint_auth_signing_alg_values_supported
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code_challenge_methods_supported
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Additional authorization server metadata parameters MAY also be used.
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Some are defined by other specifications, such as OpenID Connect
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Discovery 1.0 [`OpenID.Discovery`_].
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.. _`RFC8414 section 2`: https://tools.ietf.org/html/rfc8414#section-2
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.. _`RFC6749#Authorization`: https://tools.ietf.org/html/rfc6749#section-3.1
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.. _`RFC6749#Token`: https://tools.ietf.org/html/rfc6749#section-3.2
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.. _`RFC7591`: https://tools.ietf.org/html/rfc7591
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.. _`OpenID.Discovery`: https://openid.net/specs/openid-connect-discovery-1_0.html
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"""
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claims = copy.deepcopy(self.initial_claims)
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self.validate_metadata(claims, "issuer", is_required=True, is_issuer=True)
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self.validate_metadata(claims, "jwks_uri", is_url=True)
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self.validate_metadata(claims, "scopes_supported", is_list=True)
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self.validate_metadata(claims, "service_documentation", is_url=True)
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self.validate_metadata(claims, "ui_locales_supported", is_list=True)
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self.validate_metadata(claims, "op_policy_uri", is_url=True)
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self.validate_metadata(claims, "op_tos_uri", is_url=True)
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self._grant_types = []
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for endpoint in self.endpoints:
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if isinstance(endpoint, TokenEndpoint):
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self.validate_metadata_token(claims, endpoint)
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if isinstance(endpoint, AuthorizationEndpoint):
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self.validate_metadata_authorization(claims, endpoint)
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if isinstance(endpoint, RevocationEndpoint):
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self.validate_metadata_revocation(claims, endpoint)
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if isinstance(endpoint, IntrospectEndpoint):
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self.validate_metadata_introspection(claims, endpoint)
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# "grant_types_supported" is a combination of all OAuth2 grant types
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# allowed in the current provider implementation.
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claims.setdefault("grant_types_supported", self._grant_types)
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self.validate_metadata(claims, "grant_types_supported", is_list=True)
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return claims
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