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From "Robert Newson (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (COUCHDB-1632) Epilogue area in MIME multipart_related docs is not ignored
Date Wed, 19 Dec 2012 10:21:13 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Newson resolved COUCHDB-1632.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.4
    
> Epilogue area in MIME multipart_related docs is not ignored
> -----------------------------------------------------------
>
>                 Key: COUCHDB-1632
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1632
>             Project: CouchDB
>          Issue Type: Bug
>          Components: HTTP Interface
>    Affects Versions: 1.2
>            Reporter: Peter Keller
>            Priority: Minor
>             Fix For: 1.4
>
>
> When PUTting a document with attachments in MIME multipart/related format, CouchDB (1.2.0
on Mac OS X) throws a badmatch error in doc_from_multi_part_stream() if any bytes are following
the final boundary.
> For example, if the last body part ends with
> \r\n==1234==\r\nabc
> the error reads
> [error] [emulator] Error in process <0.18266.with exit value: {{badmatch,{<<7
bytes>>, #Fun<couch_httpd_db.23.117176975>,ok}},[{couch_doc,'-doc_from_multi_part_stream/2-fun-1-',3,[{file,"/Users/hs/prj/build-couchdb/dependencies/couchdb/src/couchdb/couch_doc.erl"},{line,512}]}]}
> where <<7 bytes>> is 2 + the number of bytes following the two ending hyphens
(5 in this example). Everything works fine if the last body part ends with two hyphens only
(i.e. the epilogue is left blank).
> However, according to RFC 1521 Sec. 7.2.1 (<http://www.w3.org/Protocols/rfc1341/7_2_Multipart.html>),
"implementations should ignore anything that appears before the first boundary or after the
last one".
> --Peter
> Confirmations:
> On 18.12.201, 18:48 Jens Alfke <jens@couchbase.com>:
> > When PUTting a document with attachments in MIME multipart/related format, CouchDB
(1.2.0 on Mac 
> > OS X) throws a badmatch error in doc_from_multi_part_stream() if any bytes are following
the final boundary.
> Confirmed; I ran into this as well, while implementing TouchDB, but was too lazy to file
a bug report. Don’t repeat my mistake! :)
> Judging by activity on some other bugs I did report, the multipart code is being cleaned
up for 1.3, so maybe they can get to this too.
> —Jens

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