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'''
Care about misc formats
'''
import parser
import bencode
class TorrentStripper(parser.GenericParser):
'''
Represent a torrent file with the help
of the bencode lib from Petru Paler
'''
def __init__(self, filename, parser, mime, backup, add2archive):
super(TorrentStripper, self).__init__(filename, parser, mime,
backup, add2archive)
self.fields = ['comment', 'creation date', 'created by']
def is_clean(self):
'''
Check if the file is clean from harmful metadatas
'''
with open(self.filename, 'r') as f:
decoded = bencode.bdecode(f.read())
for key in self.fields:
try:
if decoded[key] != '':
return False
except:
pass
return True
def get_meta(self):
'''
Return a dict with all the meta of the file
'''
metadata = {}
with open(self.filename, 'r') as f:
decoded = bencode.bdecode(f.read())
for key in self.fields:
try:
if decoded[key] != '':
metadata[key] = decoded[key]
except:
pass
return metadata
def remove_all(self):
'''
Remove all the files that are compromizing
'''
with open(self.filename, 'r') as f:
decoded = bencode.bdecode(f.read())
for key in self.fields:
try:
decoded[key] = ''
except:
pass
with open(self.output, 'w') as f: # encode the decoded torrent
f.write(bencode.bencode(decoded)) # and write it in self.output
self.do_backup()
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