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TWiki

TWiki.LogoutAndLoginr1.1 - 06 Nov 2006 - 20:05 - Main.guesttopic end

| *NOTE:* | This topic is not part of the official TWiki distribution |

---+ Logout and Login

<!-- The following spreadsheet magic outputs text conditionally based on view/viewauth and guest/not guest -->
%CALC{Hello [[%WIKIUSERNAME%][$PROPERSPACE(%WIKINAME%)]], you are using IP address %REMOTE_ADDR%. <p />%T% $IF($EXACT(%WIKINAME%, TWikiGuest), $IF($FIND(auth, %SCRIPTNAME%), You are logged in as =TWikiGuest=. Please restart your browser if you want to login with your own account., You are currently not logged in (try to [[%SCRIPTURL%/viewauth%SCRIPTSUFFIX%/%WEB%/%TOPIC%][login]]); or you are logged in as =TWikiGuest= (in which case you need to restart your browser if you want to login with your own account).), $IF($FIND(auth, %SCRIPTNAME%), Please restart your browser if this is not you., If you are not $PROPERSPACE(%WIKINAME%) please [[%SCRIPTURL%/viewauth%SCRIPTSUFFIX%/%WEB%/%TOPIC%][login]] (you might share the IP address with someone else)))}%

---++ Background Information

TWiki.org uses BasicAuthentication with IP address based session tracking. The advantage is that there is a very low requirement on the client side. Any browser is supported, even those without cookies.

There is a drawback however. IP address based session tracking fails if people share an IP address, e.g. a whole company might expose just one IP address through a NAT. In this case TWiki.org might tell you that you are someone else in your organization.

-- Main.PeterThoeny - 12 Feb 2005

---++ Discussions

Why are we not using what I suggest in Codev.RememberUserBug?

-- Main.SvenDowideit - 12 Feb 2005

That approach seems to have a drawback, see my reply in Codev.RememberUserBug.

-- Main.PeterThoeny - 12 Feb 2005

Changed the view/not guest message because I didn't like the grammar of "not me?" and "not you?" seemed a bit impolite.

-- Main.SamHasler - 12 Feb 2005

Curious, is there a way that I can implement this same functionality on my TWiki.TWikiSites ?  I run two twikis, personal and at the office, and both of them often receive requests for a logout feature.

Thanks !

-- Main.KeithHelfrich - 03 May 2005

This topic is not part of the distribution, but you can copy the text into your own TWiki installation. No magic here, simply a link to =viewauth= to re-authenticate a user (this is not a logout).

-- Main.PeterThoeny - 04 May 2005


-- Main.JasonBenedict - 03 Nov 2005

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