@mytec: pushed back before 1.1

backend/venv/lib/python3.12/site-packages/pymongo/_azure_helpers.py

@@ -0,0 +1,57 @@
+# Copyright 2023-present MongoDB, Inc.
+#
+# 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
+#
+# https://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.
+
+"""Azure helpers."""
+from __future__ import annotations
+
+import json
+from typing import Any, Optional
+
+
+def _get_azure_response(
+    resource: str, client_id: Optional[str] = None, timeout: float = 5
+) -> dict[str, Any]:
+    # Deferred import to save overall import time.
+    from urllib.request import Request, urlopen
+
+    url = "http://169.254.169.254/metadata/identity/oauth2/token"
+    url += "?api-version=2018-02-01"
+    url += f"&resource={resource}"
+    if client_id:
+        url += f"&client_id={client_id}"
+    headers = {"Metadata": "true", "Accept": "application/json"}
+    request = Request(url, headers=headers)  # noqa: S310
+    try:
+        with urlopen(request, timeout=timeout) as response:  # noqa: S310
+            status = response.status
+            body = response.read().decode("utf8")
+    except Exception as e:
+        msg = "Failed to acquire IMDS access token: %s" % e
+        raise ValueError(msg) from None
+
+    if status != 200:
+        msg = "Failed to acquire IMDS access token."
+        raise ValueError(msg)
+    try:
+        data = json.loads(body)
+    except Exception:
+        raise ValueError("Azure IMDS response must be in JSON format") from None
+
+    for key in ["access_token", "expires_in"]:
+        if not data.get(key):
+            msg = "Azure IMDS response must contain %s, but was %s."
+            msg = msg % (key, body)
+            raise ValueError(msg)
+
+    return data