Barry Warsaw pushed to branch release-3.0 at mailman / Mailman
Commits:
e745bf03 by Mark Sapiro at 2015-10-29T22:49:50Z
Fixes for issue #147 Multiple "Re:" in subject.
- - - - -
45d5f1f7 by Barry Warsaw at 2015-10-29T22:51:28Z
Collapse multiple ``Re:`` in Subject headers. Given by Mark Sapiro.
(Closes: #147)
- - - - -
68a1f2b8 by Barry Warsaw at 2015-10-29T23:03:32Z
Collapse multiple ``Re:`` in Subject headers. Given by Mark Sapiro.
(Closes: #147)
- - - - -
3 changed files:
- src/mailman/docs/NEWS.rst
- src/mailman/handlers/docs/subject-munging.rst
- src/mailman/handlers/subject_prefix.py
Changes:
=====================================
src/mailman/docs/NEWS.rst
=====================================
--- a/src/mailman/docs/NEWS.rst
+++ b/src/mailman/docs/NEWS.rst
@@ -47,6 +47,8 @@ Bugs
* Fix the logging of moderation reasons. Given by Aurélien Bompard. Also,
update the postauth.txt and postheld.txt templates to not include the bogus
URLs, and to include the translated moderation reasons.
+ * Collapse multiple ``Re:`` in Subject headers. Given by Mark Sapiro.
+ (Closes: #147)
3.0.0 -- "Show Don't Tell"
=====================================
src/mailman/handlers/docs/subject-munging.rst
=====================================
--- a/src/mailman/handlers/docs/subject-munging.rst
+++ b/src/mailman/handlers/docs/subject-munging.rst
@@ -83,6 +83,20 @@ where it will stay.
>>> print(msg['subject'])
[XTest] Re: Something important
+Sometimes the incoming ``Subject`` header has a pathological sequence of
+``Re:`` like markers. These should all be collapsed up to the first non-``Re:``
+marker.
+
+ >>> msg = message_from_string("""\
+ ... From: aper...@example.com
+ ... Subject: [XTest] Re: RE : Re: Re: Re: Re: Re: Something important
+ ...
+ ... A message of great import.
+ ... """)
+ >>> process(mlist, msg, {})
+ >>> print(msg['subject'])
+ [XTest] Re: Something important
+
Internationalized headers
=========================
@@ -207,10 +221,7 @@ And again, with an RFC 2047 encoded header.
...
... """)
>>> process(mlist, msg, {})
-
-..
- # XXX This one does not appear to work the same way as
- # test_subject_munging_prefix_crooked() in the old Python-based tests. I need
- # to get Tokio to look at this.
- # >>> print(msg['subject'])
- # [XTest] =?iso-2022-jp?b?IBskQiVhITwlayVeJXMbKEI=?=
+ >>> print(msg['subject'].encode())
+ [XTest] =?iso-2022-jp?b?GyRCJWEhPCVrJV4lcxsoQg==?=
+ >>> print(msg['subject'])
+ [XTest] メールマン
=====================================
src/mailman/handlers/subject_prefix.py
=====================================
--- a/src/mailman/handlers/subject_prefix.py
+++ b/src/mailman/handlers/subject_prefix.py
@@ -30,7 +30,7 @@ from mailman.interfaces.handler import IHandler
from zope.interface import implementer
-RE_PATTERN = '((RE|AW|SV|VS)(\[\d+\])?:\s*)+'
+RE_PATTERN = '\s*((RE|AW|SV|VS)(\[\d+\])?\s*:\s*)+'
ASCII_CHARSETS = (None, 'ascii', 'us-ascii')
EMPTYSTRING = ''
@@ -43,12 +43,6 @@ def ascii_header(mlist, msgdata, subject, prefix,
prefix_pattern, ws):
if charset not in ASCII_CHARSETS:
return None
subject_text = EMPTYSTRING.join(str(subject).splitlines())
- rematch = re.match(RE_PATTERN, subject_text, re.I)
- if rematch:
- subject_text = subject_text[rematch.end():]
- recolon = 'Re: '
- else:
- recolon = ''
# At this point, the subject may become null if someone posted mail
# with "Subject: [subject prefix]".
if subject_text.strip() == '':
@@ -57,6 +51,12 @@ def ascii_header(mlist, msgdata, subject, prefix,
prefix_pattern, ws):
else:
subject_text = re.sub(prefix_pattern, '', subject_text)
msgdata['stripped_subject'] = subject_text
+ rematch = re.match(RE_PATTERN, subject_text, re.I)
+ if rematch:
+ subject_text = subject_text[rematch.end():]
+ recolon = 'Re: '
+ else:
+ recolon = ''
lines = subject_text.splitlines()
first_line = [lines[0]]
if recolon:
@@ -77,12 +77,6 @@ def all_same_charset(mlist, msgdata, subject, prefix,
prefix_pattern, ws):
if charset != list_charset:
return None
subject_text = EMPTYSTRING.join(chunks)
- rematch = re.match(RE_PATTERN, subject_text, re.I)
- if rematch:
- subject_text = subject_text[rematch.end():]
- recolon = 'Re: '
- else:
- recolon = ''
# At this point, the subject may become null if someone posted mail
# with "Subject: [subject prefix]".
if subject_text.strip() == '':
@@ -91,6 +85,12 @@ def all_same_charset(mlist, msgdata, subject, prefix,
prefix_pattern, ws):
else:
subject_text = re.sub(prefix_pattern, '', subject_text)
msgdata['stripped_subject'] = subject_text
+ rematch = re.match(RE_PATTERN, subject_text, re.I)
+ if rematch:
+ subject_text = subject_text[rematch.end():]
+ recolon = 'Re: '
+ else:
+ recolon = ''
lines = subject_text.splitlines()
first_line = [lines[0]]
if recolon:
View it on GitLab:
https://gitlab.com/mailman/mailman/compare/7adc92c7892b3565212c3beb683478e5c7f06b06...68a1f2b869225b67216424ed91d412a2c33c9872
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