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https://issues.apache.org/jira/browse/WW-4457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14350934#comment-14350934
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ASF subversion and git services commented on WW-4457:
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Commit 54c64234844488d178e4ac1579ab8194a36b8b4a in struts's branch
refs/heads/develop from [~lukaszlenart]
[ https://git-wip-us.apache.org/repos/asf?p=struts.git;h=54c6423 ]
WW-4457 Uses dedicated type to match content type of uploaded files
> FileUploadInterceptor uses injected pattern matcher
> ---------------------------------------------------
>
> Key: WW-4457
> URL: https://issues.apache.org/jira/browse/WW-4457
> Project: Struts 2
> Issue Type: Bug
> Components: Core Interceptors
> Reporter: Aleksandr Mashchenko
> Fix For: 2.3.22
>
>
> Currently {{FileUploadInterceptor}} uses injected pattern matcher for
> checking {{allowedTypes}}, which yields inconsistent behavior with different
> default pattern matchers. Some mime types which are working fine with
> {{WildcardHelper}} are not working with the {{RegexPatternMatcher}}, because
> of the special regex character presented in them (e.g. {{image/svg+xml}} -
> {{+}} is a special character in regex).
> IMO file upload interceptor should use {{WildcardHelper}} no matter what
> pattern matcher is set as the default one. Or is there any point in injecting
> pattern matcher in file upload interceptor?
> Original report: [“Content-Type not allowed” while uploading an SVG file,
> that is in the allowed whitelist|http://stackoverflow.com/q/28304692/1700321]
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