[jira] [Commented] (WW-4457) FileUploadInterceptor uses injected pattern matcher

["Lukasz Lenart (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WW-4457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14305805#comment-14305805 ] 

Lukasz Lenart commented on WW-4457:
-----------------------------------

This can be tricky... but we will see ;-)

> 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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