--- loncom/auth/lonlogin.pm 2009/12/04 13:50:48 1.131 +++ loncom/auth/lonlogin.pm 2013/01/28 02:00:58 1.155 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.131 2009/12/04 13:50:48 jms Exp $ +# $Id: lonlogin.pm,v 1.155 2013/01/28 02:00:58 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -64,44 +64,41 @@ sub handler { # Are we re-routing? - if (-e '/home/httpd/html/lon-status/reroute.txt') { + my $londocroot = $r->dir_config('lonDocRoot'); + if (-e "$londocroot/lon-status/reroute.txt") { &Apache::lonauth::reroute($r); return OK; } + $env{'form.firsturl'} =~ s/(`)/'/g; # -------------------------------- Prevent users from attempting to login twice my $handle = &Apache::lonnet::check_for_valid_session($r); - if ($handle=~/^publicuser\_/) { + if ($handle ne '') { + my $lonidsdir=$r->dir_config('lonIDsDir'); + if ($handle=~/^publicuser\_/) { # For "public user" - remove it, we apparently really want to login - unlink($r->dir_config('lonIDsDir')."/$handle.id"); - } elsif ($handle ne '') { + unlink($r->dir_config('lonIDsDir')."/$handle.id"); + } else { # Indeed, a valid token is found - my $start_page = - &Apache::loncommon::start_page('Already logged in'); - my $end_page = - &Apache::loncommon::end_page(); - my $dest = '/adm/roles'; - if ($env{'form.firsturl'} ne '') { - $dest = $env{'form.firsturl'}; - } - - my $dom = &Apache::lonnet::default_login_domain(); - my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom); - - my $loginhelp_page = $helpconfig{'helpsettings'}{'loginhelpurl'}; - if ($loginhelp_page eq '') { - $loginhelp_page = '/adm/loginproblems.html'; - } - $r->print( + &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); + my $start_page = + &Apache::loncommon::start_page('Already logged in'); + my $end_page = + &Apache::loncommon::end_page(); + my $dest = '/adm/roles'; + if ($env{'form.firsturl'} ne '') { + $dest = $env{'form.firsturl'}; + } + $r->print( $start_page - .'
'.&mt('You are already logged in!').'
' .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].', '','','','').'
' - .'' - .$dom.' '.$end_page + .$end_page ); - return OK; + return OK; + } } # ---------------------------------------------------- No valid token, continue @@ -121,15 +118,12 @@ sub handler { my $lonhost = $r->dir_config('lonHostID'); my $domain = &Apache::lonnet::default_login_domain(); - my %domconfhash = &Apache::loncommon::get_domainconf($domain); if ($lonhost ne '') { - my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost}; - if (($loginvia ne '') && ($loginvia ne $lonhost)) { - if (&Apache::lonnet::hostname($loginvia) ne '') { - $r->print(&redirect_page($loginvia)); - return OK; - } - } + my $redirect = &check_loginvia($domain,$lonhost); + if ($redirect) { + $r->print($redirect); + return OK; + } } if (($env{'form.domain'}) && @@ -138,6 +132,7 @@ sub handler { } my $role = $r->dir_config('lonRole'); my $loadlim = $r->dir_config('lonLoadLim'); + my $uloadlim= $r->dir_config('lonUserLoadLim'); my $servadm = $r->dir_config('lonAdmEMail'); my $tabdir = $r->dir_config('lonTabDir'); my $include = $r->dir_config('lonIncludes'); @@ -157,18 +152,17 @@ sub handler { $loadavg=<$loadfile>; } $loadavg =~ s/\s.*//g; - my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); - my $userloadpercent=&Apache::lonnet::userload(); -# ------------------------------------------------------- Do the load balancing - my $otherserver= &Apache::lonnet::absolute_url($host_name); + my ($loadpercent,$userloadpercent); + if ($loadlim) { + $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim); + } + if ($uloadlim) { + $userloadpercent=&Apache::lonnet::userload(); + } + my $firsturl= ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); -# ---------------------------------------------------------- Are we overloaded? - if ((($userloadpercent>100.0)||($loadpercent>100.0))) { - my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent); - if ($unloaded) { $otherserver=$unloaded; } - } # ----------------------------------------------------------- Get announcements my $announcements=&Apache::lonnet::getannounce(); @@ -207,9 +201,13 @@ sub handler { 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras, $lonhost); -# ------------------- If we cannot talk to ourselves, we are in serious trouble +# -- If we cannot talk to ourselves, or hostID does not map to a hostname +# we are in serious trouble - if ($logtoken eq 'con_lost') { + if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) { + if ($logtoken eq 'no_such_host') { + &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab'); + } my $spares=''; my $last; foreach my $hostid (sort @@ -220,7 +218,7 @@ sub handler { keys(%Apache::lonnet::spareid)) { next if ($hostid eq $lonhost); my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); + next if (($last eq $hostname) || ($hostname eq '')); $spares.=''.&mt('Please attempt to login to one of the following servers:').'
' - .$spares - .'' - .'' -); -return OK; -} + .''.&mt('Please attempt to login to one of the following servers:') + .'
' + .$spares); + } + $r->print('' + .'