Difference: TWikiUserAuthentication (16 vs. 17)

Revision 172003-05-29 - PeterThoeny

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TWiki User Authentication

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 Tracking by IP address is an experimental feature, enabled in lib/TWiki.cfg. It lets you combine open access to some functions, with authentication on others, with full user activity tracking:

  • Normally, the REMOTE_USER environment variable is set for the scripts that are under authentication. If, for example, the edit, save and preview scripts are authenticated, but not view, you would get your WikiName in preview for the %WIKIUSERNAME% variable, but view will show TWikiGuest instead of your WikiName.
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  • TWiki can be configured to remember the IP address/username pair whenever an authentication happens (edit topic, attach file). Once remembered, the non-authenticated scripts, like view, will show the correct username instead of TWikiGuest.
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  • Enable this feature by setting the $doRememberRemoteUser flag in TWiki.cfg. TWiki then persistently stores the IP address/username pairs in the file, $remoteUserFilename, which is "$dataDir/remoteusers.txt" by default.
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  • Copy the view script to viewauth (or better, create a symbolic link)
  • Add viewauth to the list of authenticated scripts in the twiki/bin/.htaccess file. The view script should not be listed in the .htaccess file.
 
  • ALERT! This approach can fail if the IP address changes due to dynamically assigned IP addresses or proxy servers.

Quick Authentication Test - Use the %WIKIUSERNAME% variable to return your current identity:

 
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