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From "Johannes Alberti (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14908) CrossOriginFilter should trigger regex on more input
Date Wed, 27 Sep 2017 01:58:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16181871#comment-16181871
] 

Johannes Alberti commented on HADOOP-14908:
-------------------------------------------

A proposed patch is here https://github.com/apache/hadoop/pull/278

> CrossOriginFilter should trigger regex on more input
> ----------------------------------------------------
>
>                 Key: HADOOP-14908
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14908
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common, security
>    Affects Versions: 3.0.0-beta1
>            Reporter: Allen Wittenauer
>
> Currently,  CrossOriginFilter.java limits regex matching only if there is an asterisk
(\*) in the config.
> {code}
> if (allowedOrigin.contains("*")) {
> {code}
> This means that entries such as:
> {code}
> http?://foo.example.com
> https://[a-z][0-9].example.com
> {code}
> ... and other patterns that succinctly limit the input space need to either be fully
expanded or dramatically have their space increased by using an asterisk in order to pass
through the filter.



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