[jira] Created: (JSPWIKI-442) Prefixing the username with a space you can create usernames which look like IP addresses.

[Janne Jalkanen (JIRA)]

Prefixing the username with a space you can create usernames which look like IP 
addresses.
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                 Key: JSPWIKI-442
                 URL: https://issues.apache.org/jira/browse/JSPWIKI-442
             Project: JSPWiki
          Issue Type: Bug
          Components: Authentication&Authorization
    Affects Versions: 2.8
            Reporter: Janne Jalkanen
            Priority: Minor
             Fix For: 2.8.1


To reproduce: Just prepend the username with a space, and you can e.g. create 
usernames like " 127.0.0.1", which can appear to be confusing.

Suggestion: validate the username via a properly designed regexp.

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