From 4a52a71956a8d46fcb7294ac71734504bb09bcc2 Mon Sep 17 00:00:00 2001
From: S. Solomon Darnell
Date: Fri, 28 Mar 2025 21:52:21 -0500
Subject: two version of R2R are here

---
 .venv/lib/python3.12/site-packages/grpc/_auth.py | 80 ++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 .venv/lib/python3.12/site-packages/grpc/_auth.py

(limited to '.venv/lib/python3.12/site-packages/grpc/_auth.py')

diff --git a/.venv/lib/python3.12/site-packages/grpc/_auth.py b/.venv/lib/python3.12/site-packages/grpc/_auth.py
new file mode 100644
index 00000000..9cef38b6
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/grpc/_auth.py
@@ -0,0 +1,80 @@
+# 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)
-- 
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