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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4818) Default Multipart validation regex is invalid
Date Wed, 26 Jul 2017 10:44:00 GMT

    [ https://issues.apache.org/jira/browse/WW-4818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16101526#comment-16101526
] 

ASF subversion and git services commented on WW-4818:
-----------------------------------------------------

Commit 68d52dbe42aebc8e24379ebfaf4f306dd261b91c in struts's branch refs/heads/master from
[~sdutry]
[ https://git-wip-us.apache.org/repos/asf?p=struts.git;h=68d52db ]

WW-4818 change default Multipart validation regex to comply with RFC1341


> Default Multipart validation regex is invalid
> ---------------------------------------------
>
>                 Key: WW-4818
>                 URL: https://issues.apache.org/jira/browse/WW-4818
>             Project: Struts 2
>          Issue Type: Bug
>    Affects Versions: 2.5.12
>            Reporter: adam brin
>             Fix For: 2.5.13
>
>
> 2.5.12 introduced a regex matches for multipart requests.  The default regex used, however
is significantly too strict based on the RFC, as well as common practice.  Specifically, at
minimum, it needs to include the *hyphen* and more likely needs to support all of the fields
defined by the RFC (https://www.w3.org/Protocols/rfc1341/7_2_Multipart.html).
> {quote}bcharsnospace := DIGIT / ALPHA / "'" / "(" / ")" / "+" / "_" / "," / "-" / "."
/ "/" / ":" / "=" / "?"{quote}
> In basic testing, we've seen:
> {code} Content-Type: multipart/form-data; boundary=BRKIypZ3Stvuclu7C-CTbP2fNljGAOVk[\r][\n]{code}
(generated by the Apache HttpClient)
> and
> {code}multipart/form-data; boundary=----WebKitFormBoundaryZGDtABnGWGozLAjh{code} (generated
by Safari)



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