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Posted to server-dev@james.apache.org by "Stefano Bagnara (JIRA)" <se...@james.apache.org> on 2008/07/25 23:45:31 UTC
[jira] Created: (MIME4J-69) Decoding/encoding is not coherent
between headers and body
Decoding/encoding is not coherent between headers and body
----------------------------------------------------------
Key: MIME4J-69
URL: https://issues.apache.org/jira/browse/MIME4J-69
Project: Mime4j
Issue Type: Bug
Affects Versions: 0.4
Reporter: Stefano Bagnara
Fix For: 0.4
It seems that we automatically decode quoted-printable and base64 encoded bodies, but we ignore encoding when the =?encoding?data? encoding is used in headers.
We have procedures to deal with this kind of structures but we don't do that: DecoderUtil.decodeEncodedWords
Should an header field automatically be decoded?
Related: AFAIK most MUA also deal with 8bit headers (not compliant with MIME) treating them as if they were in the same charset of the body (recently this behavious has been added to Thunderbird too).
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[jira] Commented: (MIME4J-69) Decoding/encoding is not coherent
between headers and body
Posted by "Stefano Bagnara (JIRA)" <se...@james.apache.org>.
[ https://issues.apache.org/jira/browse/MIME4J-69?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617283#action_12617283 ]
Stefano Bagnara commented on MIME4J-69:
---------------------------------------
Interesting bug history for a related issues in Thunderbird. It took 7 years for them to find the current solution (this give me some sort of relax feeling)...
https://bugzilla.mozilla.org/show_bug.cgi?id=90584
> Decoding/encoding is not coherent between headers and body
> ----------------------------------------------------------
>
> Key: MIME4J-69
> URL: https://issues.apache.org/jira/browse/MIME4J-69
> Project: Mime4j
> Issue Type: Bug
> Affects Versions: 0.4
> Reporter: Stefano Bagnara
> Fix For: 0.4
>
>
> It seems that we automatically decode quoted-printable and base64 encoded bodies, but we ignore encoding when the =?encoding?data? encoding is used in headers.
> We have procedures to deal with this kind of structures but we don't do that: DecoderUtil.decodeEncodedWords
> Should an header field automatically be decoded?
> Related: AFAIK most MUA also deal with 8bit headers (not compliant with MIME) treating them as if they were in the same charset of the body (recently this behavious has been added to Thunderbird too).
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[jira] Updated: (MIME4J-69) Decoding/encoding is not coherent
between headers and body
Posted by "Stefano Bagnara (JIRA)" <se...@james.apache.org>.
[ https://issues.apache.org/jira/browse/MIME4J-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefano Bagnara updated MIME4J-69:
----------------------------------
Fix Version/s: (was: 0.4)
0.5
> Decoding/encoding is not coherent between headers and body
> ----------------------------------------------------------
>
> Key: MIME4J-69
> URL: https://issues.apache.org/jira/browse/MIME4J-69
> Project: Mime4j
> Issue Type: Bug
> Affects Versions: 0.4
> Reporter: Stefano Bagnara
> Fix For: 0.5
>
>
> It seems that we automatically decode quoted-printable and base64 encoded bodies, but we ignore encoding when the =?encoding?data? encoding is used in headers.
> We have procedures to deal with this kind of structures but we don't do that: DecoderUtil.decodeEncodedWords
> Should an header field automatically be decoded?
> Related: AFAIK most MUA also deal with 8bit headers (not compliant with MIME) treating them as if they were in the same charset of the body (recently this behavious has been added to Thunderbird too).
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[jira] Commented: (MIME4J-69) Decoding/encoding is not coherent
between headers and body
Posted by "Robert Burrell Donkin (JIRA)" <se...@james.apache.org>.
[ https://issues.apache.org/jira/browse/MIME4J-69?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617135#action_12617135 ]
Robert Burrell Donkin commented on MIME4J-69:
---------------------------------------------
Decoding every header would have a performance impact if the header data is never read by the user. It would be better to decode on demand if possible.
> Decoding/encoding is not coherent between headers and body
> ----------------------------------------------------------
>
> Key: MIME4J-69
> URL: https://issues.apache.org/jira/browse/MIME4J-69
> Project: Mime4j
> Issue Type: Bug
> Affects Versions: 0.4
> Reporter: Stefano Bagnara
> Fix For: 0.4
>
>
> It seems that we automatically decode quoted-printable and base64 encoded bodies, but we ignore encoding when the =?encoding?data? encoding is used in headers.
> We have procedures to deal with this kind of structures but we don't do that: DecoderUtil.decodeEncodedWords
> Should an header field automatically be decoded?
> Related: AFAIK most MUA also deal with 8bit headers (not compliant with MIME) treating them as if they were in the same charset of the body (recently this behavious has been added to Thunderbird too).
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[jira] Commented: (MIME4J-69) Decoding/encoding is not coherent
between headers and body
Posted by "Stefano Bagnara (JIRA)" <se...@james.apache.org>.
[ https://issues.apache.org/jira/browse/MIME4J-69?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617164#action_12617164 ]
Stefano Bagnara commented on MIME4J-69:
---------------------------------------
It seems ATM encoded words in the textual part of addresses are parsed but then we only use the raw string when we output it.
Before I start analyzing this stuff, I'd like to hear other's opinions about how to handle lazy parsing of this stuff and how to deal with writeTo (use the raw part vs use the "generated" part).
Given that the field is immutable ATM we could always use the raw part but I would like mime4j to "fix" malformations when outputting from the DOM: should we dial with this by recognizing malformations during parsing (lazily or by options) and "generating" output from scratch when the raw part has been recognized as malformed ?
> Decoding/encoding is not coherent between headers and body
> ----------------------------------------------------------
>
> Key: MIME4J-69
> URL: https://issues.apache.org/jira/browse/MIME4J-69
> Project: Mime4j
> Issue Type: Bug
> Affects Versions: 0.4
> Reporter: Stefano Bagnara
> Fix For: 0.4
>
>
> It seems that we automatically decode quoted-printable and base64 encoded bodies, but we ignore encoding when the =?encoding?data? encoding is used in headers.
> We have procedures to deal with this kind of structures but we don't do that: DecoderUtil.decodeEncodedWords
> Should an header field automatically be decoded?
> Related: AFAIK most MUA also deal with 8bit headers (not compliant with MIME) treating them as if they were in the same charset of the body (recently this behavious has been added to Thunderbird too).
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