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relax validation (#879)

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dr3s
2025-06-09 14:21:01 -04:00
committed by GitHub
parent 2cbc435c6c
commit 1a9ead07f5
4 changed files with 41 additions and 34 deletions
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33
src/mcp/shared/auth.py
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@@ -1,6 +1,6 @@
from typing import Any, Literal
from pydantic import AnyHttpUrl, AnyUrl, BaseModel, Field
from pydantic import AnyHttpUrl, AnyUrl, BaseModel, Field, field_validator
class OAuthToken(BaseModel):
@@ -9,11 +9,20 @@ class OAuthToken(BaseModel):
"""
access_token: str
token_type: Literal["bearer"] = "bearer"
token_type: Literal["Bearer"] = "Bearer"
expires_in: int | None = None
scope: str | None = None
refresh_token: str | None = None
@field_validator("token_type", mode="before")
@classmethod
def normalize_token_type(cls, v: str | None) -> str | None:
if isinstance(v, str):
# Bearer is title-cased in the spec, so we normalize it
# https://datatracker.ietf.org/doc/html/rfc6750#section-4
return v.title()
return v
class InvalidScopeError(Exception):
def __init__(self, message: str):
@@ -111,27 +120,19 @@ class OAuthMetadata(BaseModel):
token_endpoint: AnyHttpUrl
registration_endpoint: AnyHttpUrl | None = None
scopes_supported: list[str] | None = None
response_types_supported: list[Literal["code"]] = ["code"]
response_types_supported: list[str] = ["code"]
response_modes_supported: list[Literal["query", "fragment"]] | None = None
grant_types_supported: (
list[Literal["authorization_code", "refresh_token"]] | None
) = None
token_endpoint_auth_methods_supported: (
list[Literal["none", "client_secret_post"]] | None
) = None
grant_types_supported: list[str] | None = None
token_endpoint_auth_methods_supported: list[str] | None = None
token_endpoint_auth_signing_alg_values_supported: None = None
service_documentation: AnyHttpUrl | None = None
ui_locales_supported: list[str] | None = None
op_policy_uri: AnyHttpUrl | None = None
op_tos_uri: AnyHttpUrl | None = None
revocation_endpoint: AnyHttpUrl | None = None
revocation_endpoint_auth_methods_supported: (
list[Literal["client_secret_post"]] | None
) = None
revocation_endpoint_auth_methods_supported: list[str] | None = None
revocation_endpoint_auth_signing_alg_values_supported: None = None
introspection_endpoint: AnyHttpUrl | None = None
introspection_endpoint_auth_methods_supported: (
list[Literal["client_secret_post"]] | None
) = None
introspection_endpoint_auth_methods_supported: list[str] | None = None
introspection_endpoint_auth_signing_alg_values_supported: None = None
code_challenge_methods_supported: list[Literal["S256"]] | None = None
code_challenge_methods_supported: list[str] | None = None