Item10412: Subtle problem with fragments in login form

login.tmpl defines:

<form action='%SCRIPTURLPATH{"login"}%%PATH_INFO%' name='loginform' method='post' onsubmit='document.loginform.foswiki_origin.value+=window.location.hash'>

This appends the fragment from the url used to render the login form (not quite sure why, but presumably this is part of an attempt to maintain the fragment through a login sequence).

Unfortunately, if the foswiki_origin includes a parameter string, this ends up polluting the parameter string.

Given that the correct parameter values are expanded into hidden form fields anyway, the parameter string is redundant.

Copy-paste the following to a trunk/1.1.2 install to reproduce:

Starting from logged out state, click <a href="%SCRIPTURL{viewauth}%/%WEB%/%TOPIC%?blah=trueblah#target">here</a>

After you log in the value of blah will include the target
   * blah: %URLPARAM{"blah"}%

-- CrawfordCurrie - 25 Feb 2011

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