Public bug reported:
Some messages held on admindb cannot display correctly becase of partial
Unicode conversion error or
incomplete multi-byte character on mm_cfg.ADMINDB_PAGE_TEXT_LIMIT boundary.
Message character corruption has been occured in conditions below.
(1) Message charset/encoding is charset/encoding of multi-byte charaters.
(2) Message charset/encoding differs from web display charset/encoding.
(3) Message contains character that cannot convert to Unicode by using Python
codec.
or
(3') Message body size exceeds mm_cfg.ADMINDB_PAGE_TEXT_LIMIT in bytes after
decoding mime
and cut down along multi-byte charater's byte sequence.
Under these conditions, Unicode error occur in converting message
charset/encoding and message
has remained not to convert charset/encoding.
A patch attached below solves (3) by using decode/encode with 'replace' error
handling scheme,
and (3') by rounding on character boundary not to exceeds the limit in bytes
after
character/encoding converted.
Note: Even If Message charset/encoding is same as web display charset/encoding,
condition (3')
may produce invalid html, but patch below don't fix it.
** Affects: mailman
Importance: Undecided
Status: New
** Attachment added: "patch-admindb-py.txt"
https://bugs.launchpad.net/bugs/1415406/+attachment/4307114/+files/patch-admindb-py.txt
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https://bugs.launchpad.net/bugs/1415406
Title:
Message excerpt corruption on admindb Web UI
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