------------------------------------------------------------
revno: 1685
fixes bug: https://launchpad.net/bugs/1643210
committer: Mark Sapiro <[email protected]>
branch nick: 2.1
timestamp: Thu 2016-11-24 08:24:14 -0800
message:
Properly RFC 2047 encode the display name in DMARC munged From:.
modified:
Mailman/Handlers/CookHeaders.py
NEWS
--
lp:mailman/2.1
https://code.launchpad.net/~mailman-coders/mailman/2.1
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=== modified file 'Mailman/Handlers/CookHeaders.py'
--- Mailman/Handlers/CookHeaders.py 2016-03-02 09:57:16 +0000
+++ Mailman/Handlers/CookHeaders.py 2016-11-24 16:24:14 +0000
@@ -29,6 +29,7 @@
from email.Utils import parseaddr, formataddr, getaddresses
from email.Errors import HeaderParseError
+from Mailman import i18n
from Mailman import mm_cfg
from Mailman import Utils
from Mailman.i18n import _
@@ -154,12 +155,37 @@
realname = email
# Remove domain from realname if it looks like an email address
realname = re.sub(r'@([^ .]+\.)+[^ .]+$', '---', realname)
- # RFC 2047 encode realname if necessary.
- realname = str(uheader(mlist, realname))
- lrn = mlist.real_name
+ # Make a display name and RFC 2047 encode it if necessary. This is
+ # difficult and kludgy. If the realname came from From: it should be
+ # ascii or RFC 2047 encoded. If it came from the list, it should be
+ # in the charset of the list's preferred language or possibly unicode.
+ # if it's from the email address, it should be ascii. In any case,
+ # make it a unicode.
+ if isinstance(realname, unicode):
+ urn = realname
+ else:
+ rn, cs = ch_oneline(realname)
+ urn = unicode(rn, cs, errors='replace')
+ # likewise, the list's real_name which should be ascii, but use the
+ # charset of the list's preferred_language which should be a superset.
+ lcs = Utils.GetCharSet(mlist.preferred_language)
+ ulrn = unicode(mlist.real_name, lcs, errors='replace')
+ # get translated 'via' with dummy replacements
+ realname = '%(realname)s'
+ lrn = '%(lrn)s'
+ # We want the i18n context to be the list's preferred_language. It
+ # could be the poster's.
+ otrans = i18n.get_translation()
+ i18n.set_language(mlist.preferred_language)
+ via = _('%(realname)s via %(lrn)s')
+ i18n.set_translation(otrans)
+ uvia = unicode(via, lcs, errors='replace')
+ # Replace the dummy replacements.
+ uvia = re.sub(u'%\(lrn\)s', ulrn, re.sub(u'%\(realname\)s', urn, uvia))
+ # And get an RFC 2047 encoded header string.
+ dn = str(Header(uvia, lcs))
change_header('From',
- formataddr((_('%(realname)s via %(lrn)s'),
- mlist.GetListEmail())),
+ formataddr((dn, mlist.GetListEmail())),
mlist, msg, msgdata)
else:
# Use this as a flag
@@ -400,7 +426,12 @@
# At this point, subject may become null if someone post mail with
# subject: [subject prefix]
if subject.strip() == '':
+ # We want the i18n context to be the list's preferred_language. It
+ # could be the poster's.
+ otrans = i18n.get_translation()
+ i18n.set_language(mlist.preferred_language)
subject = _('(no subject)')
+ i18n.set_translation(otrans)
cset = Utils.GetCharSet(mlist.preferred_language)
subject = unicode(subject, cset)
# and substitute %d in prefix with post_id
=== modified file 'NEWS'
--- NEWS 2016-11-23 21:27:00 +0000
+++ NEWS 2016-11-24 16:24:14 +0000
@@ -23,6 +23,9 @@
Bug fixes and other patches
+ - Fixed an issue with properly RFC 2047 encoding the display name in the
+ From: header for messages with DMARC mitigations. (LP: #1643210)
+
- Fixed an issue causing UnicodeError in sending digests following a
change of a list's preferred_language. (LP: #1644356)
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