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https://issues.apache.org/jira/browse/WW-4187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lukasz Lenart updated WW-4187:
------------------------------

    Description: 
The isPathUrl(String url) implementation was changed from:

{code:java}
return (url.indexOf(':') == -1);
{code}
to:
{code:java}
return !url.startsWith("http:")
                && !url.startsWith("https:")
                && !url.startsWith("mailto:";)
                && !url.startsWith("file:")
                && !url.startsWith("ftp:");
{code}
This breaks integrations which require a redirect in (e.g.) a mobile app for 
iOS which often use custom protocols such as myapp:// 

There are also numerous valid / common protocols which are not in this list.

The result of this change is that redirects to such URLs are treated as local 
redirects (paths), rather than absolute redirects.






  was:
The isPathUrl(String url) implementation was changed from:

return (url.indexOf(':') == -1);

to:

return !url.startsWith("http:")
                && !url.startsWith("https:")
                && !url.startsWith("mailto:";)
                && !url.startsWith("file:")
                && !url.startsWith("ftp:");

This breaks integrations which require a redirect in (e.g.) a mobile app for 
iOS which often use custom protocols such as myapp:// 

There are also numerous valid / common protocols which are not in this list.

The result of this change is that redirects to such URLs are treated as local 
redirects (paths), rather than absolute redirects.






    
> ServletRedirectResult only works with a limited set of hardcoded URL protocols
> ------------------------------------------------------------------------------
>
>                 Key: WW-4187
>                 URL: https://issues.apache.org/jira/browse/WW-4187
>             Project: Struts 2
>          Issue Type: Bug
>    Affects Versions: 2.3.7, 2.3.8, 2.3.12, 2.3.14, 2.3.14.1, 2.3.14.2, 
> 2.3.14.3, 2.3.15.1
>            Reporter: Michiel Toneman
>
> The isPathUrl(String url) implementation was changed from:
> {code:java}
> return (url.indexOf(':') == -1);
> {code}
> to:
> {code:java}
> return !url.startsWith("http:")
>                 && !url.startsWith("https:")
>                 && !url.startsWith("mailto:";)
>                 && !url.startsWith("file:")
>                 && !url.startsWith("ftp:");
> {code}
> This breaks integrations which require a redirect in (e.g.) a mobile app for 
> iOS which often use custom protocols such as myapp:// 
> There are also numerous valid / common protocols which are not in this list.
> The result of this change is that redirects to such URLs are treated as local 
> redirects (paths), rather than absolute redirects.

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