mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-24 18:55:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

bpo-35805: Add parser for Message-ID email header. (GH-13397)

Browse source 
* bpo-35805: Add parser for Message-ID header.

This parser is based on the definition of Identification Fields from RFC 5322
Sec 3.6.4.

This should also prevent folding of Message-ID header using RFC 2047 encoded
words and hence fix bpo-35805.

* Prevent folding of non-ascii message-id headers.
* Add fold method to MsgID token to prevent folding.
This commit is contained in:
Abhilash Raj 2019-06-04 13:41:34 -04:00 • committed by Barry Warsaw
parent bc6469f79c
commit 46d88a1131
6 changed files with 257 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Lib/email/headerregistry.py
View file

@ -520,6 +520,18 @@ class ContentTransferEncodingHeader:
return self._cte
class MessageIDHeader:
max_count = 1
value_parser = staticmethod(parser.parse_message_id)
@classmethod
def parse(cls, value, kwds):
kwds['parse_tree'] = parse_tree = cls.value_parser(value)
kwds['decoded'] = str(parse_tree)
kwds['defects'].extend(parse_tree.all_defects)
# The header factory #
_default_header_map = {
@ -542,6 +554,7 @@ _default_header_map = {
'content-type': ContentTypeHeader,
'content-disposition': ContentDispositionHeader,
'content-transfer-encoding': ContentTransferEncodingHeader,
'message-id': MessageIDHeader,
}
class HeaderRegistry: