-------- Original Message --------
From: Mark Sapiro [mailto:m...@msapiro.net]
Sent: Saturday, March 6, 2021, 23:27 UTC
To: mailman-users@python.org
Subject: [Mailman-Users] Re: Pipermail scrubbing ascii txt to ksh attachment
> The patch I posted previously was bad. This one is correct. If you patch
> Scrubber.py with this patch, you won't need to edit the mbox and rebuild
> the archive as that message won't get scrubbed.
Hi Mark. Your patch to Scrubber.py has solved the problem. Thank you.
A summary below:
====================================================
PROBLEM: Plain text emails being automatically posted to a list, via a Perl
script, were displaying okay in subscribers' email clients, but in the archive
-- the body of the message is scrubbed as "attachment.ksh".
CAUSE: The headers of the posts to the list contained the lines:
Content-Disposition: inline
Content-Type: text/plain
Mark wrote: "If the script that sends this mail can be altered to either
include the charset= on the Content-Type: text/plain header or not include the
Content-Disposition: inline header or both, that would solve this." He then
wrote a patch for Mailman/Handlers/Scrubber.py to do this (in the event that
the script could not be modified).
=== modified file 'Mailman/Handlers/Scrubber.py'
--- Mailman/Handlers/Scrubber.py 2020-06-21 18:45:30 +0000
+++ Mailman/Handlers/Scrubber.py 2021-03-06 19:10:28 +0000
@@ -90,6 +90,9 @@
if ctype.lower == 'application/octet-stream':
# For this type, all[0] is '.obj'. '.bin' is better.
return '.bin'
+ if ctype.lower == 'text/plain':
+ # For this type, all[0] is '.ksh'. '.txt' is better.
+ return '.txt'
return all and all[0]
@@ -196,8 +199,11 @@
format = part.get_param('format')
delsp = part.get_param('delsp')
# TK: if part is attached then check charset and scrub if none
- if part.get('content-disposition') and \
- not part.get_content_charset():
+ # MAS: Content-Disposition is not a good test for 'attached'.
+ # RFC 2183 sec. 2.10 allows Content-Disposition on the main body.
+ # Make it specifically 'attachment'.
+ if (part.get('content-disposition', '').lower() == 'attachment'
+ and not part.get_content_charset()):
omask = os.umask(002)
try:
url = save_attachment(mlist, part, dir)
IN ADDITION: The following script was run to tidy up the list's .mbox file.
#!/bin/bash
PATH=/usr/sbin:/usr/bin:/sbin:/bin
LISTNAME=your_list_name_goes_here
echo $LISTNAME archive rebuild started at $(date +%H:%M:%S)
sed -i '/Content-Disposition: inline/d'
/var/lib/mailman/archives/private/$LISTNAME.mbox/$LISTNAME.mbox
sed -i 's/Content-Type: text\/plain/Content-Type: text\/plain;
charset="us-ascii"/'
/var/lib/mailman/archives/private/$LISTNAME.mbox/$LISTNAME.mbox
/usr/lib/mailman/bin/arch --wipe $LISTNAME
echo $LISTNAME archive rebuild completed at $(date +%H:%M:%S)
exit 0
====================================================
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