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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
_cython	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
aio	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
beta	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
experimental	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
framework	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
__init__.py	80.4 KB	-rw-r--r--	2025-04-08 17:01
_auth.py	2.57 KB	-rw-r--r--	2025-04-08 17:01
_channel.py	79.44 KB	-rw-r--r--	2025-04-08 17:01
_common.py	6.63 KB	-rw-r--r--	2025-04-08 17:01
_compression.py	1.94 KB	-rw-r--r--	2025-04-08 17:01
_grpcio_metadata.py	26 B	-rw-r--r--	2025-04-08 17:01
_interceptor.py	25.26 KB	-rw-r--r--	2025-04-08 17:01
_observability.py	10.17 KB	-rw-r--r--	2025-04-08 17:01
_plugin_wrapping.py	4.28 KB	-rw-r--r--	2025-04-08 17:01
_runtime_protos.py	5.67 KB	-rw-r--r--	2025-04-08 17:01
_server.py	49.69 KB	-rw-r--r--	2025-04-08 17:01
_simple_stubs.py	24.03 KB	-rw-r--r--	2025-04-08 17:01
_typing.py	2.69 KB	-rw-r--r--	2025-04-08 17:01
_utilities.py	6.88 KB	-rw-r--r--	2025-04-08 17:01

Rename

# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""GRPCAuthMetadataPlugins for standard authentication."""

import inspect
from typing import Any, Optional

import grpc

def _sign_request(
    callback: grpc.AuthMetadataPluginCallback,
    token: Optional[str],
    error: Optional[Exception],
):
    metadata = (("authorization", "Bearer {}".format(token)),)
    callback(metadata, error)

class GoogleCallCredentials(grpc.AuthMetadataPlugin):
    """Metadata wrapper for GoogleCredentials from the oauth2client library."""

_is_jwt: bool
    _credentials: Any

# TODO(xuanwn): Give credentials an actual type.
    def __init__(self, credentials: Any):
        self._credentials = credentials
        # Hack to determine if these are JWT creds and we need to pass
        # additional_claims when getting a token
        self._is_jwt = (
            "additional_claims"
            in inspect.getfullargspec(credentials.get_access_token).args
        )

def __call__(
        self,
        context: grpc.AuthMetadataContext,
        callback: grpc.AuthMetadataPluginCallback,
    ):
        try:
            if self._is_jwt:
                access_token = self._credentials.get_access_token(
                    additional_claims={
                        "aud": context.service_url  # pytype: disable=attribute-error
                    }
                ).access_token
            else:
                access_token = self._credentials.get_access_token().access_token
        except Exception as exception:  # pylint: disable=broad-except
            _sign_request(callback, None, exception)
        else:
            _sign_request(callback, access_token, None)

class AccessTokenAuthMetadataPlugin(grpc.AuthMetadataPlugin):
    """Metadata wrapper for raw access token credentials."""

_access_token: str

def __init__(self, access_token: str):
        self._access_token = access_token

def __call__(
        self,
        context: grpc.AuthMetadataContext,
        callback: grpc.AuthMetadataPluginCallback,
    ):
        _sign_request(callback, self._access_token, None)