devscripts/check-porn.py

   1 #!/usr/bin/env python3
   2 """
   3 This script employs a VERY basic heuristic ('porn' in webpage.lower()) to check
   4 if we are not 'age_limit' tagging some porn site
   5
   6 A second approach implemented relies on a list of porn domains, to activate it
   7 pass the list filename as the only argument
   8 """
   9
  10 # Allow direct execution
  11 import os
  12 import sys
  13
  14 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
  15
  16
  17 import urllib.parse
  18 import urllib.request
  19
  20 from test.helper import gettestcases
  21
  22 if len(sys.argv) > 1:
  23     METHOD = 'LIST'
  24     LIST = open(sys.argv[1]).read().decode('utf8').strip()
  25 else:
  26     METHOD = 'EURISTIC'
  27
  28 for test in gettestcases():
  29     if METHOD == 'EURISTIC':
  30         try:
  31             webpage = urllib.request.urlopen(test['url'], timeout=10).read()
  32         except Exception:
  33             print('\nFail: {}'.format(test['name']))
  34             continue
  35
  36         webpage = webpage.decode('utf8', 'replace')
  37
  38         RESULT = 'porn' in webpage.lower()
  39
  40     elif METHOD == 'LIST':
  41         domain = urllib.parse.urlparse(test['url']).netloc
  42         if not domain:
  43             print('\nFail: {}'.format(test['name']))
  44             continue
  45         domain = '.'.join(domain.split('.')[-2:])
  46
  47         RESULT = ('.' + domain + '\n' in LIST or '\n' + domain + '\n' in LIST)
  48
  49     if RESULT and ('info_dict' not in test or 'age_limit' not in test['info_dict']
  50                    or test['info_dict']['age_limit'] != 18):
  51         print('\nPotential missing age_limit check: {}'.format(test['name']))
  52
  53     elif not RESULT and ('info_dict' in test and 'age_limit' in test['info_dict']
  54                          and test['info_dict']['age_limit'] == 18):
  55         print('\nPotential false negative: {}'.format(test['name']))
  56
  57     else:
  58         sys.stdout.write('.')
  59     sys.stdout.flush()
  60
  61 print()