diff --git a/.github/actions/spelling/allow.txt b/.github/actions/spelling/allow.txt index 0aa596ac..b2b0e6eb 100644 --- a/.github/actions/spelling/allow.txt +++ b/.github/actions/spelling/allow.txt @@ -39,6 +39,7 @@ genai getkwargs gle GVsb +ietf initdb inmemory INR diff --git a/src/a2a/grpc/a2a_pb2.py b/src/a2a/grpc/a2a_pb2.py index 8631912f..01f25ce4 100644 --- a/src/a2a/grpc/a2a_pb2.py +++ b/src/a2a/grpc/a2a_pb2.py @@ -30,7 +30,7 @@ from google.protobuf import timestamp_pb2 as google_dot_protobuf_dot_timestamp__pb2 -DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\ta2a.proto\x12\x06\x61\x32\x61.v1\x1a\x1cgoogle/api/annotations.proto\x1a\x17google/api/client.proto\x1a\x1fgoogle/api/field_behavior.proto\x1a\x1bgoogle/protobuf/empty.proto\x1a\x1cgoogle/protobuf/struct.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\xde\x01\n\x18SendMessageConfiguration\x12\x32\n\x15\x61\x63\x63\x65pted_output_modes\x18\x01 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CreateTaskPushNotificationConfig\x12/.a2a.v1.CreateTaskPushNotificationConfigRequest\x1a\".a2a.v1.TaskPushNotificationConfig\"K\xda\x41\rparent,config\x82\xd3\xe4\x93\x02\x35\"+/v1/{parent=task/*/pushNotificationConfigs}:\x06\x63onfig\x12\xae\x01\n\x1dGetTaskPushNotificationConfig\x12,.a2a.v1.GetTaskPushNotificationConfigRequest\x1a\".a2a.v1.TaskPushNotificationConfig\";\xda\x41\x04name\x82\xd3\xe4\x93\x02.\x12,/v1/{name=tasks/*/pushNotificationConfigs/*}\x12\xbe\x01\n\x1eListTaskPushNotificationConfig\x12-.a2a.v1.ListTaskPushNotificationConfigRequest\x1a..a2a.v1.ListTaskPushNotificationConfigResponse\"=\xda\x41\x06parent\x82\xd3\xe4\x93\x02.\x12,/v1/{parent=tasks/*}/pushNotificationConfigs\x12P\n\x0cGetAgentCard\x12\x1b.a2a.v1.GetAgentCardRequest\x1a\x11.a2a.v1.AgentCard\"\x10\x82\xd3\xe4\x93\x02\n\x12\x08/v1/card\x12\xa8\x01\n DeleteTaskPushNotificationConfig\x12/.a2a.v1.DeleteTaskPushNotificationConfigRequest\x1a\x16.google.protobuf.Empty\";\xda\x41\x04name\x82\xd3\xe4\x93\x02.*,/v1/{name=tasks/*/pushNotificationConfigs/*}Bi\n\ncom.a2a.v1B\x08\x41\x32\x61ProtoP\x01Z\x18google.golang.org/a2a/v1\xa2\x02\x03\x41XX\xaa\x02\x06\x41\x32\x61.V1\xca\x02\x06\x41\x32\x61\\V1\xe2\x02\x12\x41\x32\x61\\V1\\GPBMetadata\xea\x02\x07\x41\x32\x61::V1b\x06proto3') _globals = globals() _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals) @@ -84,10 +84,10 @@ _globals['_A2ASERVICE'].methods_by_name['GetAgentCard']._serialized_options = b'\202\323\344\223\002\n\022\010/v1/card' _globals['_A2ASERVICE'].methods_by_name['DeleteTaskPushNotificationConfig']._loaded_options = None _globals['_A2ASERVICE'].methods_by_name['DeleteTaskPushNotificationConfig']._serialized_options = b'\332A\004name\202\323\344\223\002.*,/v1/{name=tasks/*/pushNotificationConfigs/*}' - _globals['_TASKSTATE']._serialized_start=7723 - _globals['_TASKSTATE']._serialized_end=7973 - _globals['_ROLE']._serialized_start=7975 - _globals['_ROLE']._serialized_end=8034 + _globals['_TASKSTATE']._serialized_start=7964 + _globals['_TASKSTATE']._serialized_end=8214 + _globals['_ROLE']._serialized_start=8216 + _globals['_ROLE']._serialized_end=8275 _globals['_SENDMESSAGECONFIGURATION']._serialized_start=202 _globals['_SENDMESSAGECONFIGURATION']._serialized_end=424 _globals['_TASK']._serialized_start=427 @@ -125,69 +125,71 @@ _globals['_AGENTEXTENSION']._serialized_start=3518 _globals['_AGENTEXTENSION']._serialized_end=3663 _globals['_AGENTSKILL']._serialized_start=3666 - _globals['_AGENTSKILL']._serialized_end=3864 - _globals['_AGENTCARDSIGNATURE']._serialized_start=3867 - _globals['_AGENTCARDSIGNATURE']._serialized_end=4006 - _globals['_TASKPUSHNOTIFICATIONCONFIG']._serialized_start=4009 - _globals['_TASKPUSHNOTIFICATIONCONFIG']._serialized_end=4147 - _globals['_STRINGLIST']._serialized_start=4149 - _globals['_STRINGLIST']._serialized_end=4181 - _globals['_SECURITY']._serialized_start=4184 - _globals['_SECURITY']._serialized_end=4331 - _globals['_SECURITY_SCHEMESENTRY']._serialized_start=4253 - _globals['_SECURITY_SCHEMESENTRY']._serialized_end=4331 - _globals['_SECURITYSCHEME']._serialized_start=4334 - _globals['_SECURITYSCHEME']._serialized_end=4735 - _globals['_APIKEYSECURITYSCHEME']._serialized_start=4737 - _globals['_APIKEYSECURITYSCHEME']._serialized_end=4841 - _globals['_HTTPAUTHSECURITYSCHEME']._serialized_start=4843 - _globals['_HTTPAUTHSECURITYSCHEME']._serialized_end=4962 - _globals['_OAUTH2SECURITYSCHEME']._serialized_start=4964 - _globals['_OAUTH2SECURITYSCHEME']._serialized_end=5062 - _globals['_OPENIDCONNECTSECURITYSCHEME']._serialized_start=5064 - _globals['_OPENIDCONNECTSECURITYSCHEME']._serialized_end=5174 - _globals['_OAUTHFLOWS']._serialized_start=5177 - _globals['_OAUTHFLOWS']._serialized_end=5481 - _globals['_AUTHORIZATIONCODEOAUTHFLOW']._serialized_start=5484 - _globals['_AUTHORIZATIONCODEOAUTHFLOW']._serialized_end=5750 - _globals['_AUTHORIZATIONCODEOAUTHFLOW_SCOPESENTRY']._serialized_start=5693 - _globals['_AUTHORIZATIONCODEOAUTHFLOW_SCOPESENTRY']._serialized_end=5750 - _globals['_CLIENTCREDENTIALSOAUTHFLOW']._serialized_start=5753 - _globals['_CLIENTCREDENTIALSOAUTHFLOW']._serialized_end=5974 - _globals['_CLIENTCREDENTIALSOAUTHFLOW_SCOPESENTRY']._serialized_start=5693 - _globals['_CLIENTCREDENTIALSOAUTHFLOW_SCOPESENTRY']._serialized_end=5750 - _globals['_IMPLICITOAUTHFLOW']._serialized_start=5977 - _globals['_IMPLICITOAUTHFLOW']._serialized_end=6196 - _globals['_IMPLICITOAUTHFLOW_SCOPESENTRY']._serialized_start=5693 - _globals['_IMPLICITOAUTHFLOW_SCOPESENTRY']._serialized_end=5750 - _globals['_PASSWORDOAUTHFLOW']._serialized_start=6199 - _globals['_PASSWORDOAUTHFLOW']._serialized_end=6402 - _globals['_PASSWORDOAUTHFLOW_SCOPESENTRY']._serialized_start=5693 - _globals['_PASSWORDOAUTHFLOW_SCOPESENTRY']._serialized_end=5750 - _globals['_SENDMESSAGEREQUEST']._serialized_start=6405 - _globals['_SENDMESSAGEREQUEST']._serialized_end=6598 - _globals['_GETTASKREQUEST']._serialized_start=6600 - _globals['_GETTASKREQUEST']._serialized_end=6680 - _globals['_CANCELTASKREQUEST']._serialized_start=6682 - _globals['_CANCELTASKREQUEST']._serialized_end=6721 - _globals['_GETTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=6723 - _globals['_GETTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=6781 - _globals['_DELETETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=6783 - _globals['_DELETETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=6844 - _globals['_CREATETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=6847 - _globals['_CREATETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7016 - _globals['_TASKSUBSCRIPTIONREQUEST']._serialized_start=7018 - _globals['_TASKSUBSCRIPTIONREQUEST']._serialized_end=7063 - _globals['_LISTTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=7065 - _globals['_LISTTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7188 - _globals['_GETAGENTCARDREQUEST']._serialized_start=7190 - _globals['_GETAGENTCARDREQUEST']._serialized_end=7211 - _globals['_SENDMESSAGERESPONSE']._serialized_start=7213 - _globals['_SENDMESSAGERESPONSE']._serialized_end=7322 - _globals['_STREAMRESPONSE']._serialized_start=7325 - _globals['_STREAMRESPONSE']._serialized_end=7575 - _globals['_LISTTASKPUSHNOTIFICATIONCONFIGRESPONSE']._serialized_start=7578 - _globals['_LISTTASKPUSHNOTIFICATIONCONFIGRESPONSE']._serialized_end=7720 - _globals['_A2ASERVICE']._serialized_start=8037 - _globals['_A2ASERVICE']._serialized_end=9375 + _globals['_AGENTSKILL']._serialized_end=3910 + _globals['_AGENTCARDSIGNATURE']._serialized_start=3913 + _globals['_AGENTCARDSIGNATURE']._serialized_end=4052 + _globals['_TASKPUSHNOTIFICATIONCONFIG']._serialized_start=4055 + 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_globals['_IMPLICITOAUTHFLOW_SCOPESENTRY']._serialized_end=5991 + _globals['_PASSWORDOAUTHFLOW']._serialized_start=6440 + _globals['_PASSWORDOAUTHFLOW']._serialized_end=6643 + _globals['_PASSWORDOAUTHFLOW_SCOPESENTRY']._serialized_start=5934 + _globals['_PASSWORDOAUTHFLOW_SCOPESENTRY']._serialized_end=5991 + _globals['_SENDMESSAGEREQUEST']._serialized_start=6646 + _globals['_SENDMESSAGEREQUEST']._serialized_end=6839 + _globals['_GETTASKREQUEST']._serialized_start=6841 + _globals['_GETTASKREQUEST']._serialized_end=6921 + _globals['_CANCELTASKREQUEST']._serialized_start=6923 + _globals['_CANCELTASKREQUEST']._serialized_end=6962 + _globals['_GETTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=6964 + _globals['_GETTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7022 + _globals['_DELETETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=7024 + _globals['_DELETETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7085 + _globals['_CREATETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=7088 + _globals['_CREATETASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7257 + _globals['_TASKSUBSCRIPTIONREQUEST']._serialized_start=7259 + _globals['_TASKSUBSCRIPTIONREQUEST']._serialized_end=7304 + _globals['_LISTTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_start=7306 + _globals['_LISTTASKPUSHNOTIFICATIONCONFIGREQUEST']._serialized_end=7429 + _globals['_GETAGENTCARDREQUEST']._serialized_start=7431 + _globals['_GETAGENTCARDREQUEST']._serialized_end=7452 + _globals['_SENDMESSAGERESPONSE']._serialized_start=7454 + _globals['_SENDMESSAGERESPONSE']._serialized_end=7563 + _globals['_STREAMRESPONSE']._serialized_start=7566 + _globals['_STREAMRESPONSE']._serialized_end=7816 + _globals['_LISTTASKPUSHNOTIFICATIONCONFIGRESPONSE']._serialized_start=7819 + _globals['_LISTTASKPUSHNOTIFICATIONCONFIGRESPONSE']._serialized_end=7961 + _globals['_A2ASERVICE']._serialized_start=8278 + _globals['_A2ASERVICE']._serialized_end=9616 # @@protoc_insertion_point(module_scope) diff --git a/src/a2a/grpc/a2a_pb2.pyi b/src/a2a/grpc/a2a_pb2.pyi index e9633c4a..c25e5e1e 100644 --- a/src/a2a/grpc/a2a_pb2.pyi +++ b/src/a2a/grpc/a2a_pb2.pyi @@ -277,7 +277,7 @@ class AgentExtension(_message.Message): def __init__(self, uri: _Optional[str] = ..., description: _Optional[str] = ..., required: bool = ..., params: _Optional[_Union[_struct_pb2.Struct, _Mapping]] = ...) -> None: ... class AgentSkill(_message.Message): - __slots__ = ("id", "name", "description", "tags", "examples", "input_modes", "output_modes") + __slots__ = ("id", "name", "description", "tags", "examples", "input_modes", "output_modes", "security") ID_FIELD_NUMBER: _ClassVar[int] NAME_FIELD_NUMBER: _ClassVar[int] DESCRIPTION_FIELD_NUMBER: _ClassVar[int] @@ -285,6 +285,7 @@ class AgentSkill(_message.Message): EXAMPLES_FIELD_NUMBER: _ClassVar[int] INPUT_MODES_FIELD_NUMBER: _ClassVar[int] OUTPUT_MODES_FIELD_NUMBER: _ClassVar[int] + SECURITY_FIELD_NUMBER: _ClassVar[int] id: str name: str description: str @@ -292,7 +293,8 @@ class AgentSkill(_message.Message): examples: _containers.RepeatedScalarFieldContainer[str] input_modes: _containers.RepeatedScalarFieldContainer[str] output_modes: _containers.RepeatedScalarFieldContainer[str] - def __init__(self, id: _Optional[str] = ..., name: _Optional[str] = ..., description: _Optional[str] = ..., tags: _Optional[_Iterable[str]] = ..., examples: _Optional[_Iterable[str]] = ..., input_modes: _Optional[_Iterable[str]] = ..., output_modes: _Optional[_Iterable[str]] = ...) -> None: ... + security: _containers.RepeatedCompositeFieldContainer[Security] + def __init__(self, id: _Optional[str] = ..., name: _Optional[str] = ..., description: _Optional[str] = ..., tags: _Optional[_Iterable[str]] = ..., examples: _Optional[_Iterable[str]] = ..., input_modes: _Optional[_Iterable[str]] = ..., output_modes: _Optional[_Iterable[str]] = ..., security: _Optional[_Iterable[_Union[Security, _Mapping]]] = ...) -> None: ... class AgentCardSignature(_message.Message): __slots__ = ("protected", "signature", "header") @@ -332,16 +334,18 @@ class Security(_message.Message): def __init__(self, schemes: _Optional[_Mapping[str, StringList]] = ...) -> None: ... class SecurityScheme(_message.Message): - __slots__ = ("api_key_security_scheme", "http_auth_security_scheme", "oauth2_security_scheme", "open_id_connect_security_scheme") + __slots__ = ("api_key_security_scheme", "http_auth_security_scheme", "oauth2_security_scheme", "open_id_connect_security_scheme", "mtls_security_scheme") API_KEY_SECURITY_SCHEME_FIELD_NUMBER: _ClassVar[int] HTTP_AUTH_SECURITY_SCHEME_FIELD_NUMBER: _ClassVar[int] OAUTH2_SECURITY_SCHEME_FIELD_NUMBER: _ClassVar[int] OPEN_ID_CONNECT_SECURITY_SCHEME_FIELD_NUMBER: _ClassVar[int] + MTLS_SECURITY_SCHEME_FIELD_NUMBER: _ClassVar[int] api_key_security_scheme: APIKeySecurityScheme http_auth_security_scheme: HTTPAuthSecurityScheme oauth2_security_scheme: OAuth2SecurityScheme open_id_connect_security_scheme: OpenIdConnectSecurityScheme - def __init__(self, api_key_security_scheme: _Optional[_Union[APIKeySecurityScheme, _Mapping]] = ..., http_auth_security_scheme: _Optional[_Union[HTTPAuthSecurityScheme, _Mapping]] = ..., oauth2_security_scheme: _Optional[_Union[OAuth2SecurityScheme, _Mapping]] = ..., open_id_connect_security_scheme: _Optional[_Union[OpenIdConnectSecurityScheme, _Mapping]] = ...) -> None: ... + mtls_security_scheme: MutualTlsSecurityScheme + def __init__(self, api_key_security_scheme: _Optional[_Union[APIKeySecurityScheme, _Mapping]] = ..., http_auth_security_scheme: _Optional[_Union[HTTPAuthSecurityScheme, _Mapping]] = ..., oauth2_security_scheme: _Optional[_Union[OAuth2SecurityScheme, _Mapping]] = ..., open_id_connect_security_scheme: _Optional[_Union[OpenIdConnectSecurityScheme, _Mapping]] = ..., mtls_security_scheme: _Optional[_Union[MutualTlsSecurityScheme, _Mapping]] = ...) -> None: ... class APIKeySecurityScheme(_message.Message): __slots__ = ("description", "location", "name") @@ -364,12 +368,14 @@ class HTTPAuthSecurityScheme(_message.Message): def __init__(self, description: _Optional[str] = ..., scheme: _Optional[str] = ..., bearer_format: _Optional[str] = ...) -> None: ... class OAuth2SecurityScheme(_message.Message): - __slots__ = ("description", "flows") + __slots__ = ("description", "flows", "oauth2_metadata_url") DESCRIPTION_FIELD_NUMBER: _ClassVar[int] FLOWS_FIELD_NUMBER: _ClassVar[int] + OAUTH2_METADATA_URL_FIELD_NUMBER: _ClassVar[int] description: str flows: OAuthFlows - def __init__(self, description: _Optional[str] = ..., flows: _Optional[_Union[OAuthFlows, _Mapping]] = ...) -> None: ... + oauth2_metadata_url: str + def __init__(self, description: _Optional[str] = ..., flows: _Optional[_Union[OAuthFlows, _Mapping]] = ..., oauth2_metadata_url: _Optional[str] = ...) -> None: ... class OpenIdConnectSecurityScheme(_message.Message): __slots__ = ("description", "open_id_connect_url") @@ -379,6 +385,12 @@ class OpenIdConnectSecurityScheme(_message.Message): open_id_connect_url: str def __init__(self, description: _Optional[str] = ..., open_id_connect_url: _Optional[str] = ...) -> None: ... +class MutualTlsSecurityScheme(_message.Message): + __slots__ = ("description",) + DESCRIPTION_FIELD_NUMBER: _ClassVar[int] + description: str + def __init__(self, description: _Optional[str] = ...) -> None: ... + class OAuthFlows(_message.Message): __slots__ = ("authorization_code", "client_credentials", "implicit", "password") AUTHORIZATION_CODE_FIELD_NUMBER: _ClassVar[int] diff --git a/src/a2a/types.py b/src/a2a/types.py index 350998ba..4de6f3a7 100644 --- a/src/a2a/types.py +++ b/src/a2a/types.py @@ -164,6 +164,15 @@ class AgentSkill(A2ABaseModel): """ The set of supported output MIME types for this skill, overriding the agent's defaults. """ + security: list[dict[str, list[str]]] | None = Field( + default=None, examples=[[{'google': ['oidc']}]] + ) + """ + Security schemes necessary for the agent to leverage this skill. + As in the overall AgentCard.security, this list represents a logical OR of security + requirement objects. Each object is a set of security schemes that must be used together + (a logical AND). + """ tags: list[str] = Field( ..., examples=[['cooking', 'customer support', 'billing']] ) @@ -730,6 +739,21 @@ class MethodNotFoundError(A2ABaseModel): """ +class MutualTLSSecurityScheme(A2ABaseModel): + """ + Defines a security scheme using mTLS authentication. + """ + + description: str | None = None + """ + An optional description for the security scheme. + """ + type: Literal['mutualTLS'] = 'mutualTLS' + """ + The type of the security scheme. Must be 'mutualTLS'. + """ + + class OpenIdConnectSecurityScheme(A2ABaseModel): """ Defines a security scheme using OpenID Connect. @@ -1486,6 +1510,11 @@ class OAuth2SecurityScheme(A2ABaseModel): """ An object containing configuration information for the supported OAuth 2.0 flows. """ + oauth2_metadata_url: str | None = None + """ + URL to the oauth2 authorization server metadata + [RFC8414](https://datatracker.ietf.org/doc/html/rfc8414). TLS is required. + """ type: Literal['oauth2'] = 'oauth2' """ The type of the security scheme. Must be 'oauth2'. @@ -1498,6 +1527,7 @@ class SecurityScheme( | HTTPAuthSecurityScheme | OAuth2SecurityScheme | OpenIdConnectSecurityScheme + | MutualTLSSecurityScheme ] ): root: ( @@ -1505,6 +1535,7 @@ class SecurityScheme( | HTTPAuthSecurityScheme | OAuth2SecurityScheme | OpenIdConnectSecurityScheme + | MutualTLSSecurityScheme ) """ Defines a security scheme that can be used to secure an agent's endpoints. @@ -1762,10 +1793,16 @@ class AgentCard(A2ABaseModel): """ Information about the agent's service provider. """ - security: list[dict[str, list[str]]] | None = None + security: list[dict[str, list[str]]] | None = Field( + default=None, + examples=[[{'oauth': ['read']}, {'api-key': [], 'mtls': []}]], + ) """ A list of security requirement objects that apply to all agent interactions. Each object lists security schemes that can be used. Follows the OpenAPI 3.0 Security Requirement Object. + This list can be seen as an OR of ANDs. Each object in the list describes one possible + set of security requirements that must be present on a request. This allows specifying, + for example, "callers must either use OAuth OR an API Key AND mTLS." """ security_schemes: dict[str, SecurityScheme] | None = None """