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| 1 | +# |
| 2 | +# Copyright (c) nexB Inc. and others. All rights reserved. |
| 3 | +# VulnerableCode is a trademark of nexB Inc. |
| 4 | +# SPDX-License-Identifier: Apache-2.0 |
| 5 | +# See http://www.apache.org/licenses/LICENSE-2.0 for the license text. |
| 6 | +# See https://github.com/aboutcode-org/vulnerablecode for support or download. |
| 7 | +# See https://aboutcode.org for more information about nexB OSS projects. |
| 8 | +# |
| 9 | + |
| 10 | +from typing import Iterable |
| 11 | +from typing import Mapping |
| 12 | + |
| 13 | +from packageurl import PackageURL |
| 14 | +from univers.version_range import ArchLinuxVersionRange |
| 15 | + |
| 16 | +from vulnerabilities.importer import AdvisoryData |
| 17 | +from vulnerabilities.importer import AffectedPackageV2 |
| 18 | +from vulnerabilities.importer import ReferenceV2 |
| 19 | +from vulnerabilities.pipelines import VulnerableCodeBaseImporterPipelineV2 |
| 20 | +from vulnerabilities.utils import fetch_response |
| 21 | + |
| 22 | + |
| 23 | +class ArchLinuxImporterPipeline(VulnerableCodeBaseImporterPipelineV2): |
| 24 | + """ArchLinux Importer Pipeline""" |
| 25 | + |
| 26 | + pipeline_id = "archlinux_importer_v2" |
| 27 | + spdx_license_expression = "MIT" |
| 28 | + license_url = "https://github.com/archlinux/arch-security-tracker/blob/master/LICENSE" |
| 29 | + |
| 30 | + @classmethod |
| 31 | + def steps(cls): |
| 32 | + return ( |
| 33 | + cls.fetch, |
| 34 | + cls.collect_and_store_advisories, |
| 35 | + ) |
| 36 | + |
| 37 | + def fetch(self) -> Iterable[Mapping]: |
| 38 | + url = "https://security.archlinux.org/json" |
| 39 | + self.log(f"Fetching `{url}`") |
| 40 | + response = fetch_response(url) |
| 41 | + self.response = response.json() |
| 42 | + |
| 43 | + def advisories_count(self) -> int: |
| 44 | + return len(self.response) |
| 45 | + |
| 46 | + def collect_advisories(self) -> Iterable[AdvisoryData]: |
| 47 | + for record in self.response: |
| 48 | + yield self.parse_advisory(record) |
| 49 | + |
| 50 | + def parse_advisory(self, record) -> AdvisoryData: |
| 51 | + affected_packages = [] |
| 52 | + references = [] |
| 53 | + avg_name = record.get("name") |
| 54 | + aliases = record.get("issues", []) |
| 55 | + aliases.extend(record.get("advisories", [])) |
| 56 | + summary = record.get("type", "") |
| 57 | + summary = "" if summary == "unknown" else summary |
| 58 | + |
| 59 | + for name in record["packages"]: |
| 60 | + affected = record.get("affected") |
| 61 | + fixed = record.get("fixed") |
| 62 | + |
| 63 | + affected_version_range = ( |
| 64 | + ArchLinuxVersionRange.from_versions([affected]) if affected else None |
| 65 | + ) |
| 66 | + fixed_version_range = ArchLinuxVersionRange.from_versions([fixed]) if fixed else None |
| 67 | + affected_package = AffectedPackageV2( |
| 68 | + package=PackageURL( |
| 69 | + name=name, |
| 70 | + type="alpm", |
| 71 | + namespace="archlinux", |
| 72 | + ), |
| 73 | + affected_version_range=affected_version_range, |
| 74 | + fixed_version_range=fixed_version_range, |
| 75 | + ) |
| 76 | + affected_packages.append(affected_package) |
| 77 | + |
| 78 | + references.append( |
| 79 | + ReferenceV2( |
| 80 | + reference_id=avg_name, |
| 81 | + url="https://security.archlinux.org/{}".format(avg_name), |
| 82 | + ) |
| 83 | + ) |
| 84 | + for ref in record["advisories"]: |
| 85 | + references.append( |
| 86 | + ReferenceV2( |
| 87 | + reference_id=ref, |
| 88 | + url="https://security.archlinux.org/{}".format(ref), |
| 89 | + ) |
| 90 | + ) |
| 91 | + |
| 92 | + return AdvisoryData( |
| 93 | + advisory_id=avg_name, |
| 94 | + aliases=aliases, |
| 95 | + summary=summary, |
| 96 | + references_v2=references, |
| 97 | + affected_packages=affected_packages, |
| 98 | + weaknesses=[], |
| 99 | + url=f"https://security.archlinux.org/{avg_name}.json", |
| 100 | + ) |
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