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| 1 | +# |
| 2 | +# Copyright (c) nexB Inc. and others. All rights reserved. |
| 3 | +# purldb is a trademark of nexB Inc. |
| 4 | +# SPDX-License-Identifier: Apache-2.0 |
| 5 | +# See http://www.apache.org/licenses/LICENSE-2.0 |
| 6 | +# See https://github.com/aboutcode-org/purldb for support or download. |
| 7 | +# See https://aboutcode.org for more information about nexB OSS projects. |
| 8 | +# |
| 9 | + |
| 10 | +import logging |
| 11 | +import requests |
| 12 | +from packageurl import PackageURL |
| 13 | + |
| 14 | +from minecode import priority_router |
| 15 | +from packagedb.models import PackageContentType |
| 16 | + |
| 17 | +logger = logging.getLogger(__name__) |
| 18 | +handler = logging.StreamHandler() |
| 19 | +logger.addHandler(handler) |
| 20 | +logger.setLevel(logging.INFO) |
| 21 | + |
| 22 | + |
| 23 | +def get_cpan_release_json(distribution, version): |
| 24 | + """ |
| 25 | + Return the MetaCPAN release JSON for a given distribution@version. |
| 26 | +
|
| 27 | + Example: |
| 28 | + https://fastapi.metacpan.org/v1/release/_search?q=distribution:Mojolicious%20AND%20version:9.22 |
| 29 | +
|
| 30 | + """ |
| 31 | + url = ( |
| 32 | + f"https://fastapi.metacpan.org/v1/release/_search?" |
| 33 | + f"q=distribution:{distribution}%20AND%20version:{version}" |
| 34 | + ) |
| 35 | + |
| 36 | + try: |
| 37 | + response = requests.get(url) |
| 38 | + response.raise_for_status() |
| 39 | + results = response.json() |
| 40 | + hits = results.get("hits", {}).get("hits", []) |
| 41 | + if not hits: |
| 42 | + return None |
| 43 | + return hits[0].get("_source") |
| 44 | + except requests.exceptions.HTTPError as err: |
| 45 | + logger.error(f"HTTP error occurred: {err}") |
| 46 | + return None |
| 47 | + |
| 48 | + |
| 49 | +def map_cpan_package(package_url, pipelines, priority=0): |
| 50 | + """ |
| 51 | + Add a CPAN distribution `package_url` to the PackageDB. |
| 52 | + """ |
| 53 | + from minecode.model_utils import add_package_to_scan_queue, merge_or_create_package |
| 54 | + from minecode.miners.cpan import build_packages |
| 55 | + |
| 56 | + name = package_url.name |
| 57 | + version = package_url.version |
| 58 | + release_json = get_cpan_release_json(name, version) |
| 59 | + |
| 60 | + if not release_json: |
| 61 | + error = f"Distribution does not exist on CPAN: {package_url}" |
| 62 | + logger.error(error) |
| 63 | + return error |
| 64 | + |
| 65 | + packages = build_packages(release_json, package_url) |
| 66 | + |
| 67 | + error = None |
| 68 | + for package in packages: |
| 69 | + package.extra_data["package_content"] = PackageContentType.SOURCE_ARCHIVE |
| 70 | + db_package, _, _, error = merge_or_create_package(package, visit_level=0) |
| 71 | + if error: |
| 72 | + break |
| 73 | + |
| 74 | + if db_package: |
| 75 | + add_package_to_scan_queue(package=db_package, pipelines=pipelines, priority=priority) |
| 76 | + |
| 77 | + return error |
| 78 | + |
| 79 | + |
| 80 | +@priority_router.route("pkg:cpan/.*") |
| 81 | +def process_request(purl_str, **kwargs): |
| 82 | + """ |
| 83 | + Process CPAN Package URL (PURL). |
| 84 | + """ |
| 85 | + from minecode.model_utils import DEFAULT_PIPELINES |
| 86 | + |
| 87 | + addon_pipelines = kwargs.get("addon_pipelines", []) |
| 88 | + pipelines = DEFAULT_PIPELINES + tuple(addon_pipelines) |
| 89 | + priority = kwargs.get("priority", 0) |
| 90 | + |
| 91 | + package_url = PackageURL.from_string(purl_str) |
| 92 | + error_msg = map_cpan_package(package_url, pipelines, priority) |
| 93 | + |
| 94 | + if error_msg: |
| 95 | + return error_msg |
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