Merge branch 'main' into fix-migration

Author: keshav-space

vulnerabilities/api.py

@@ -642,17 +642,13 @@ def filter_cpe(self, queryset, name, value):
         return self.queryset.filter(vulnerabilityreference__reference_id__startswith=cpe).distinct()
 
 
-class CPEViewSet(viewsets.ReadOnlyModelViewSet):
-    """
-    Lookup for vulnerabilities by CPE (https://nvd.nist.gov/products/cpe)
-    """
+class CPEViewSet(VulnerabilityViewSet):
+    """Lookup for vulnerabilities by CPE (https://nvd.nist.gov/products/cpe)"""
 
     queryset = Vulnerability.objects.filter(
         vulnerabilityreference__reference_id__startswith="cpe"
     ).distinct()
-    serializer_class = VulnerabilitySerializer
-    filter_backends = (filters.DjangoFilterBackend,)
-    throttle_classes = [StaffUserRateThrottle, AnonRateThrottle]
+
     filterset_class = CPEFilterSet
 
     @action(detail=False, methods=["post"])

vulnerabilities/importers/__init__.py

@@ -26,7 +26,6 @@
 from vulnerabilities.importers import oss_fuzz
 from vulnerabilities.importers import postgresql
 from vulnerabilities.importers import project_kb_msr2019
-from vulnerabilities.importers import pysec
 from vulnerabilities.importers import redhat
 from vulnerabilities.importers import retiredotnet
 from vulnerabilities.importers import ruby
@@ -42,9 +41,9 @@
 from vulnerabilities.pipelines import npm_importer
 from vulnerabilities.pipelines import nvd_importer
 from vulnerabilities.pipelines import pypa_importer
+from vulnerabilities.pipelines import pysec_importer
 
 IMPORTERS_REGISTRY = [
-    pysec.PyPIImporter,
     alpine_linux.AlpineImporter,
     openssl.OpensslImporter,
     redhat.RedhatImporter,
@@ -78,6 +77,7 @@
     gitlab_importer.GitLabImporterPipeline,
     github_importer.GitHubAPIImporterPipeline,
     nvd_importer.NVDImporterPipeline,
+    pysec_importer.PyPIImporterPipeline,
 ]
 
 IMPORTERS_REGISTRY = {

vulnerabilities/importers/pysec.py

@@ -0,0 +1,37 @@
+# Generated by Django 4.2.16 on 2024-10-24 13:51
+
+from django.db import migrations
+
+"""
+Update the created_by field on Advisory from the old qualified_name
+to the new pipeline_id.
+"""
+
+
+def update_created_by(apps, schema_editor):
+    from vulnerabilities.pipelines.pysec_importer import PyPIImporterPipeline
+
+    Advisory = apps.get_model("vulnerabilities", "Advisory")
+    Advisory.objects.filter(created_by="vulnerabilities.importers.pysec.PyPIImporter").update(
+        created_by=PyPIImporterPipeline.pipeline_id
+    )
+
+
+def reverse_update_created_by(apps, schema_editor):
+    from vulnerabilities.pipelines.pysec_importer import PyPIImporterPipeline
+
+    Advisory = apps.get_model("vulnerabilities", "Advisory")
+    Advisory.objects.filter(created_by=PyPIImporterPipeline.pipeline_id).update(
+        created_by="vulnerabilities.importers.pysec.PyPIImporter"
+    )
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("vulnerabilities", "0073_delete_packagerelatedvulnerability"),
+    ]
+
+    operations = [
+        migrations.RunPython(update_created_by, reverse_code=reverse_update_created_by),
+    ]

vulnerabilities/migrations/0074_update_pysec_advisory_created_by.py

@@ -406,7 +406,7 @@ def __str__(self):
     @property
     def is_cpe(self):
         """
-        Return Trueis this is a CPE reference.
+        Return True if this is a CPE reference.
         """
         return self.reference_id.startswith("cpe")
 
@@ -557,7 +557,7 @@ def for_cve(self, cve):
 
     def with_is_vulnerable(self):
         """
-        Annotate Package with ``with_is_vulnerable`` boolean attribute.
+        Annotate Package with ``is_vulnerable`` boolean attribute.
         """
         return self.annotate(
             is_vulnerable=Exists(

vulnerabilities/models.py

@@ -6,7 +6,7 @@
 # See https://github.com/aboutcode-org/vulnerablecode for support or download.
 # See https://aboutcode.org for more information about nexB OSS projects.
 #
-import logging
+
 from pathlib import Path
 from typing import Iterable
 

vulnerabilities/pipelines/pypa_importer.py

@@ -0,0 +1,66 @@
+#
+# 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/aboutcode-org/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+import json
+import logging
+from io import BytesIO
+from typing import Iterable
+from zipfile import ZipFile
+
+import requests
+
+from vulnerabilities.importer import AdvisoryData
+from vulnerabilities.pipelines import VulnerableCodeBaseImporterPipeline
+
+
+class PyPIImporterPipeline(VulnerableCodeBaseImporterPipeline):
+    """Collect advisories from PyPI."""
+
+    pipeline_id = "pysec_importer"
+
+    license_url = "https://github.com/pypa/advisory-database/blob/main/LICENSE"
+    url = "https://osv-vulnerabilities.storage.googleapis.com/PyPI/all.zip"
+    spdx_license_expression = "CC-BY-4.0"
+    importer_name = "PyPI Importer"
+
+    @classmethod
+    def steps(cls):
+        return (
+            cls.fetch_zip,
+            cls.collect_and_store_advisories,
+            cls.import_new_advisories,
+        )
+
+    def fetch_zip(self):
+        self.log(f"Fetching `{self.url}`")
+        self.advisory_zip = requests.get(self.url).content
+
+    def advisories_count(self) -> int:
+        with ZipFile(BytesIO(self.advisory_zip)) as zip:
+            advisory_count = sum(1 for file in zip.namelist() if file.startswith("PYSEC-"))
+        return advisory_count
+
+    def collect_advisories(self) -> Iterable[AdvisoryData]:
+        """Yield AdvisoryData using a zipped data dump of OSV data"""
+        from vulnerabilities.importers.osv import parse_advisory_data
+
+        with ZipFile(BytesIO(self.advisory_zip)) as zip_file:
+            for file_name in zip_file.namelist():
+                if not file_name.startswith("PYSEC-"):
+                    self.log(
+                        f"Unsupported PyPI advisory data file: {file_name}",
+                        level=logging.ERROR,
+                    )
+                    continue
+                with zip_file.open(file_name) as f:
+                    vul_info = json.load(f)
+                    yield parse_advisory_data(
+                        raw_data=vul_info,
+                        supported_ecosystems=["pypi"],
+                        advisory_url=self.url,
+                    )

vulnerabilities/pipelines/pysec_importer.py

@@ -7,52 +7,51 @@
 # See https://aboutcode.org for more information about nexB OSS projects.
 #
 import json
-import os
+from pathlib import Path
 from unittest import TestCase
 
 from vulnerabilities.importers.osv import parse_advisory_data
 from vulnerabilities.tests.util_tests import VULNERABLECODE_REGEN_TEST_FIXTURES as REGEN
 from vulnerabilities.tests.util_tests import check_results_against_json
 
-BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-TEST_DATA = os.path.join(BASE_DIR, "test_data/pysec")
+TEST_DATA = Path(__file__).parent.parent / "test_data" / "pysec"
 
 
 class TestPyPIImporter(TestCase):
     def test_to_advisories_with_summary(self):
-        with open(os.path.join(TEST_DATA, "pysec-advisories_with_summary.json")) as f:
+        with open(TEST_DATA / "pysec-advisories_with_summary.json") as f:
             mock_response = json.load(f)
         results = parse_advisory_data(mock_response, ["pypi"], "https://test.com").to_dict()
 
-        expected_file = os.path.join(TEST_DATA, "pysec-advisories_with_summary-expected.json")
+        expected_file = TEST_DATA / "pysec-advisories_with_summary-expected.json"
         check_results_against_json(
             results=results,
             expected_file=expected_file,
             regen=REGEN,
         )
 
     def test_to_advisories_without_summary(self):
-        with open(os.path.join(TEST_DATA, "pysec-advisories_without_summary.json")) as f:
+        with open(TEST_DATA / "pysec-advisories_without_summary.json") as f:
             mock_response = json.load(f)
 
         results = parse_advisory_data(mock_response, ["pypi"], "https://test.com").to_dict()
 
-        expected_file = os.path.join(TEST_DATA, "pysec-advisories_without_summary-expected.json")
+        expected_file = TEST_DATA / "pysec-advisories_without_summary-expected.json"
         check_results_against_json(
             results=results,
             expected_file=expected_file,
             regen=REGEN,
         )
 
     def test_to_advisories_with_cwe(self):
-        with open(os.path.join(TEST_DATA, "pysec-advisory_with_cwe.json")) as f:
+        with open(TEST_DATA / "pysec-advisory_with_cwe.json") as f:
             mock_response = json.load(f)
 
         results = parse_advisory_data(
             raw_data=mock_response, supported_ecosystems=["pypi"], advisory_url="https://tes.com"
         ).to_dict()
 
-        expected_file = os.path.join(TEST_DATA, "pysec-advisories_with_cwe-expected.json")
+        expected_file = TEST_DATA / "pysec-advisories_with_cwe-expected.json"
         check_results_against_json(
             results=results,
             expected_file=expected_file,

vulnerabilities/tests/test_pysec.py renamed to vulnerabilities/tests/pipelines/test_pysec_importer_pipeline.py

@@ -705,6 +705,46 @@ def test_api_response(self):
         self.assertEqual(response["count"], 1)
 
 
+class TestCPEApiWithPackageVulnerabilityRelation(TestCase):
+    def setUp(self):
+        self.user = ApiUser.objects.create_api_user(username="[email protected]")
+        self.auth = f"Token {self.user.auth_token.key}"
+        self.csrf_client = APIClient(enforce_csrf_checks=True)
+        self.csrf_client.credentials(HTTP_AUTHORIZATION=self.auth)
+        self.vulnerability = Vulnerability.objects.create(summary="test")
+        self.affected_package, _ = Package.objects.get_or_create_from_purl(
+            purl="pkg:nginx/[email protected]"
+        )
+        self.fixed_package, _ = Package.objects.get_or_create_from_purl(purl="pkg:nginx/[email protected]")
+        AffectedByPackageRelatedVulnerability.objects.create(
+            vulnerability=self.vulnerability,
+            created_by="test",
+            package=self.affected_package,
+            confidence=100,
+        )
+        FixingPackageRelatedVulnerability.objects.create(
+            vulnerability=self.vulnerability,
+            created_by="test",
+            package=self.fixed_package,
+            confidence=100,
+        )
+        for i in range(0, 10):
+            ref, _ = VulnerabilityReference.objects.get_or_create(
+                reference_id=f"cpe:/a:nginx:{i}",
+                url=f"https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:nginx:{i}",
+            )
+            VulnerabilityRelatedReference.objects.create(
+                reference=ref, vulnerability=self.vulnerability
+            )
+
+    def test_cpe_api(self):
+        response = self.csrf_client.get("/api/cpes/", format="json")
+        self.assertEqual(status.HTTP_200_OK, response.status_code)
+
+        response_data = response.json()
+        self.assertEqual(1, response_data["count"])
+
+
 class AliasApi(TestCase):
     def setUp(self):
         self.user = ApiUser.objects.create_api_user(username="[email protected]")