support get_closest_nuget_package_name

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulntotal/ecosystem/__init__.py

@@ -0,0 +1,8 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#

vulntotal/ecosystem/nuget.py

@@ -0,0 +1,33 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+from urllib.parse import urljoin
+
+import requests
+
+
+def get_closest_nuget_package_name(query):
+    """
+    Return case-sensitive NuGet package name using
+    SearchQueryService provided by NuGet
+    """
+    url_nuget_service = "https://api.nuget.org/v3/index.json"
+    url_nuget_search = ""
+
+    api_resources = requests.get(url_nuget_service).json()
+    for resource in api_resources.get("resources") or []:
+        if resource.get("@type") == "SearchQueryService":
+            url_nuget_search = resource["@id"]
+            break
+
+    if url_nuget_search:
+        url_query = urljoin(url_nuget_search, f"?q={query}")
+        query_response = requests.get(url_query).json()
+        if query_response.get("data"):
+            return query_response["data"][0]["id"]