feat: scoped npm support (@angular/core style paths) in extract_npm_info

guarddog_nexus/core/nexus.py

@@ -63,16 +63,27 @@ def extract_go_info(asset_path: str) -> tuple[str, str] | None:
 def extract_npm_info(asset_path: str) -> tuple[str, str] | None:
     """Extract package name and version from an npm proxy asset path.
 
-    Path format: packages/react/-/react-18.2.0.tgz
+    Path format:
+      packages/react/-/react-18.2.0.tgz
+      packages/@angular/core/-/core-18.0.0.tgz  (scoped)
     """
     parts = asset_path.strip("/").split("/")
     if len(parts) < 4 or parts[0] != PKG_PATH_PREFIX:
         return None
+
+    # Scoped package: @scope/name
+    if parts[1].startswith("@"):
+        if len(parts) < 5:
+            return None
+        name = f"{parts[1]}/{parts[2]}"
+        short_name = parts[2]
+    else:
         name = parts[1]
-    # Last segment: <name>-<version>.tgz
+        short_name = name
+
     last = parts[-1]
-    if last.startswith(name + "-"):
-        raw = last[len(name) + 1 :]
+    if last.startswith(short_name + "-"):
+        raw = last[len(short_name) + 1 :]
         for ext in (".tgz", ".tar.gz"):
             if raw.endswith(ext):
                 return name, raw[: -len(ext)]

tests/e2e/test_webhook_flow.py

@@ -103,6 +103,44 @@ class TestWebhookToScanFlow:
         data = resp.json()
         assert data["status"] == "accepted"
 
+    @pytest.mark.asyncio
+    async def test_e2e_webhook_accepts_scoped_npm_asset(self, e2e_client, e2e_db_session):
+        """Verify that scoped npm (@scope/name) assets are accepted."""
+        payload = {
+            "action": "UPDATED",
+            "repositoryName": "npm-proxy",
+            "initiator": "e2e-test",
+            "asset": {
+                "format": "npm",
+                "name": "/packages/@angular/core/-/core-18.0.0.tgz",
+                "downloadUrl": "http://nexus:8081/repository/npm-proxy/@angular/core/-/core-18.0.0.tgz",
+            },
+        }
+
+        async def mock_harvest(*args, **kwargs):
+            from guarddog_nexus.db.models import Scan, ScanStatus
+
+            scan = Scan(
+                package_name="@angular/core",
+                package_version="18.0.0",
+                ecosystem="npm",
+                repository="npm-proxy",
+                nexus_asset_url=args[0],
+                status=ScanStatus.COMPLETED.value,
+                total_findings=0,
+                flagged=False,
+            )
+            e2e_db_session.add(scan)
+            await e2e_db_session.commit()
+            await e2e_db_session.refresh(scan)
+            return scan
+
+        with patch("guarddog_nexus.routes.webhooks._scan_in_background", mock_harvest):
+            resp = await e2e_client.post("/webhooks/nexus", json=payload)
+
+        assert resp.status_code == 200
+        assert resp.json()["status"] == "accepted"
+
 
 class TestWebhookSignatureValidation:
     """E2E tests for webhook signature validation."""

tests/test_nexus.py

@@ -56,8 +56,16 @@ class TestNpmExtractor:
         )
 
     def test_scoped_package(self):
-        # Note: scoped packages have a different path in Nexus
-        assert extract_npm_info("packages/@scope/name/-/name-1.0.0.tgz") is None
+        assert extract_npm_info("packages/@scope/name/-/name-1.0.0.tgz") == (
+            "@scope/name",
+            "1.0.0",
+        )
+
+    def test_scoped_angular_core(self):
+        assert extract_npm_info("packages/@angular/core/-/core-18.0.0.tgz") == (
+            "@angular/core",
+            "18.0.0",
+        )
 
     def test_not_packages(self):
         assert extract_npm_info("/other/lodash/-/lodash-4.17.21.tgz") is None