Commits on Aug 4, 2021

1. Fix binascii.Error: Incorrect padding …

   When decode_param receives a value like this:
   "=?ISO-8859-1?B?TEdGIC0gUGFzc28gYSBQYXNzbyAtIEZh?= =?ISO-8859-1?B?dHVyYW1lbnRvIEVsZXRy9G5pY28ucGRm?="
   
   It fails to decode the base64 correctly, and it gives the error:
   
   File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/messages.py", line 55, in _fetch_email_list
       yield uid, self._fetch_email(uid)
     File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/messages.py", line 44, in _fetch_email
       parser_policy=self.parser_policy)
     File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/parser.py", line 155, in fetch_email_by_uid
       email_object = parse_email(raw_email, policy=parser_policy)
     File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/parser.py", line 212, in parse_email
       attachment = parse_attachment(part)
     File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/parser.py", line 115, in parse_attachment
       name, value = decode_param(param)
     File "/usr/local/lib/python3.6/site-packages/imbox-0.9.8-py3.6.egg/imbox/parser.py", line 80, in decode_param
       value = base64.decodebytes(code.encode())
     File "/usr/lib64/python3.6/base64.py", line 546, in decodebytes
       return binascii.a2b_base64(s)
   binascii.Error: Incorrect padding
   
   So i changed the regular expression and started using findall instead, i also added a "fixer" for invalid base64 blocks, it adds "=" to the end of it if needed.

   

   Anderseta committed Aug 4, 2021
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