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https://issues.apache.org/jira/browse/KNOX-1078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandeep More updated KNOX-1078:
-------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> Add option to preserve original string when lookup fails in regex based 
> identity assertion provider
> ---------------------------------------------------------------------------------------------------
>
>                 Key: KNOX-1078
>                 URL: https://issues.apache.org/jira/browse/KNOX-1078
>             Project: Apache Knox
>          Issue Type: Improvement
>          Components: Server
>    Affects Versions: 0.11.0
>            Reporter: Wei Han
>            Assignee: Wei Han
>            Priority: Minor
>             Fix For: 0.14.0
>
>         Attachments: 
> 0001-RegexIdentityAssertionFilter-add-an-option-to-preser.patch
>
>
> Currently the Regex identify-assertion supports 'lookup' feature. When the 
> output matches any of the strings in the 'lookup' dictionary, it'll replace 
> the string with the new value. If there's no match, it'll replace the 
> original string with empty string.
> {code:java}
>             <provider>
>             <role>identity-assertion</role>
>             <name>Regex</name>
>             <enabled>true</enabled>
>             <param>
>                 <name>input</name>
>                 <value>(.*)@(.*?)\..*</value>
>             </param>
>             <param>
>                 <name>output</name>
>                 <value>{1}_{[2]}</value>
>             </param>
>             <param>
>                 <name>lookup</name>
>                 <value>us=USA;ca=CANADA</value>
>             </param>
>         </provider>
> {code}
> mem...@us.apache.org will be translated to /user/member_USA
> mem...@ca.apache.org will be translated to /user/member_CANADA
> mem...@uk.apache.org will be translated to /user/member_
> This patch adds an optional field use.original.on.lookup.failure. If sets to 
> true(defaults to false), it'll preserve the original string if there's no 
> match. So after this patch, 
> mem...@uk.apache.org will be translated to /user/member_uk



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