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118 lines
3.9 KiB
Python
118 lines
3.9 KiB
Python
#!/usr/bin/env python3
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import requests
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import json
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import time
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# https://www.npmjs.com/package/darcyclarke-manifest-pkg/v/2.1.15/index
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# hex checksum = file name
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# use hex to get *actual* manifest:
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# https://www.npmjs.com/package/darcyclarke-manifest-pkg/file/a1c6250cb3f94bb3487c1bfb673d279642208b5db39a6c052a5c764f0d1abea5
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def parse_manifest(pkg):
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# get and parse the manifest which contains the values reported on the frontend
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url = 'https://registry.npmjs.com/{}/'.format(pkg)
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parsed = json.loads(requests.get(url).text)
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# extract the interesting bits
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try:
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latest_ver = parsed['dist-tags']['latest']
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except KeyError:
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print(f'Failed to find latest version for {pkg} - might have been unpublished?')
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return None, None, None, None
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latest_manifest = parsed['versions'][latest_ver]
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try:
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dependencies = latest_manifest['dependencies']
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except KeyError:
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dependencies = None
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try:
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scripts = latest_manifest['scripts']
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except KeyError:
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scripts = json.loads('{}')
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name = latest_manifest['name']
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return latest_ver, dependencies, scripts, name
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def get_actual_manifest(pkg, ver):
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# get and parse the manifest as it would be installed
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# first, we need to find the package.json delivered with the package:
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index_url = 'https://www.npmjs.com/package/{}/v/{}/index'.format(pkg, ver)
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while True:
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try:
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index = json.loads(requests.get(index_url).text)
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break
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except json.decoder.JSONDecodeError:
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print('Failed to get index from webservice, retrying...')
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time.sleep(1)
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hexsum = index['files']['/package.json']['hex']
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manifest_url = 'https://www.npmjs.com/package/{}/file/{}'.format(pkg, hexsum)
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# Sometimes the webservice seems to respond with an empty json - so this kludge got made:
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while True:
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try:
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manifest = json.loads(requests.get(manifest_url).text)
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break
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except json.decoder.JSONDecodeError:
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print('Failed getting manifest JSON from webserver, retrying...')
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time.sleep(1)
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# now we can parse it
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version = manifest['version']
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try:
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dependencies = manifest['dependencies']
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except KeyError:
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dependencies = None
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try:
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scripts = manifest['scripts']
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except KeyError:
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scripts = json.loads('{}')
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name = manifest['name']
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return version, dependencies, scripts, name
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def main():
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import sys
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mismatch = False
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pkg = sys.argv[1]
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reported_ver, reported_dependencies, reported_scripts, reported_name = parse_manifest(pkg)
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if reported_ver == None:
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sys.exit(2)
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actual_ver, actual_dependencies, actual_scripts, actual_name = get_actual_manifest(pkg, reported_ver)
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if actual_ver != reported_ver:
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mismatch = True
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print('Version mismatch for {}!'.format(pkg))
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print('Reported version: {}'.format(reported_ver))
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print('Actual version: {}'.format(actual_ver))
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if actual_dependencies != reported_dependencies:
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mismatch = True
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print('Dependency mismatch detected for {}!'.format(pkg))
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print('Reported dependencies: {}'.format(reported_dependencies))
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print('Actual dependencies: {}'.format(actual_dependencies))
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if actual_scripts != reported_scripts:
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mismatch = True
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print('Scripts mismatch detected for {}!'.format(pkg))
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print('Reported scripts: {}'.format(reported_scripts))
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print('Actual scripts: {}'.format(actual_scripts))
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if actual_name != reported_name:
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mismatch = True
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print('Name mismatch detected for {}!'.format(pkg))
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print('Reported name: {}'.format(reported_name))
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print('Actual name: {}'.format(actual_name))
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if not mismatch:
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print('No mismatch detected for {}.'.format(pkg))
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else:
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sys.exit(1)
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if __name__ == '__main__':
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main()
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