--- loncom/auth/lonlogin.pm 2009/09/11 23:04:45 1.125 +++ loncom/auth/lonlogin.pm 2012/04/11 11:40:07 1.150 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.125 2009/09/11 23:04:45 raeburn Exp $ +# $Id: lonlogin.pm,v 1.150 2012/04/11 11:40:07 goltermann Exp $ # # Copyright Michigan State University Board of Trustees # @@ -64,36 +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'}; - } - $r->print( + &Apache::lonnet::transfer_profile_to_env($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('You are already logged in!').'

' .'

'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].', '','','','').'

' - .'

'.&mt('Login problems?').'

' .$end_page ); - return OK; + return OK; + } } # ---------------------------------------------------- No valid token, continue @@ -111,15 +116,24 @@ sub handler { my $iconpath= &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); + my $lonhost = $r->dir_config('lonHostID'); my $domain = &Apache::lonnet::default_login_domain(); + if ($lonhost ne '') { + my $redirect = &check_loginvia($domain,$lonhost); + if ($redirect) { + $r->print($redirect); + return OK; + } + } + if (($env{'form.domain'}) && (&Apache::lonnet::domain($env{'form.domain'},'description'))) { $domain=$env{'form.domain'}; } 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 $lonhost = $r->dir_config('lonHostID'); my $tabdir = $r->dir_config('lonTabDir'); my $include = $r->dir_config('lonIncludes'); my $expire = $r->dir_config('lonExpire'); @@ -138,18 +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 $announcements=&Apache::lonnet::getannounce(); @@ -188,9 +201,13 @@ sub handler { 'tmpput:'.$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 $hostid (sort @@ -201,7 +218,7 @@ sub handler { keys(%Apache::lonnet::spareid)) { next if ($hostid eq $lonhost); my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); + next if (($last eq $hostname) || ($hostname eq '')); $spares.='
'. @@ -209,7 +226,9 @@ sub handler { ' '.&mt('(preferred)').''.$/; $last=$hostname; } -$spares.= '
'; + if ($spares) { + $spares.= '
'; + } my %all_hostnames = &Apache::lonnet::all_hostnames(); foreach my $hostid (sort { @@ -219,7 +238,7 @@ foreach my $hostid (sort keys(%all_hostnames)) { next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); + next if (($last eq $hostname) || ($hostname eq '')); $spares.='
'. @@ -234,12 +253,15 @@ $r->print( .'' .'

'.&mt('The LearningOnline Network with CAPA').'

' .'' - .'

'.&mt('This LON-CAPA server is temporarily not available for login.').'

' - .'

'.&mt('Please attempt to login to one of the following servers:').'

' - .$spares - .'' + .'

'.&mt('This LON-CAPA server is temporarily not available for login.').'

'); + if ($spares) { + $r->print('

'.&mt('Please attempt to login to one of the following servers:') + .'

' + .$spares); + } + $r->print('' .'' -); + ); return OK; } @@ -253,13 +275,12 @@ my $link=&Apache::loncommon::designparm( my $vlink=&Apache::loncommon::designparm('login.vlink',$domain); my $alink=&Apache::loncommon::designparm('login.alink',$domain); my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain); +my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain); +my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain); +my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain); my $logo=&Apache::loncommon::designparm('login.logo',$domain); my $img=&Apache::loncommon::designparm('login.img',$domain); my $domainlogo=&Apache::loncommon::domainlogo($domain); -my $login=&Apache::loncommon::designparm('login.login',$domain); -if ($login eq '') { -$login = $iconpath.'/'.&mt('userauthentication.gif'); -} my $showbanner = 1; my $showmainlogo = 1; if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) { @@ -271,7 +292,6 @@ if (defined(&Apache::loncommon::designpa my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain); my $showcoursecat = &Apache::loncommon::designparm('login.coursecatalog',$domain); -my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain); my $shownewuserlink = &Apache::loncommon::designparm('login.newuser',$domain); my $now=time; @@ -304,6 +324,14 @@ this.document.client.elements.upass$now. this.document.server.submit(); return false; } + +function enableInput() { + this.document.client.elements.upass$now.removeAttribute("readOnly"); + this.document.client.elements.uname.removeAttribute("readOnly"); + this.document.client.elements.udom.removeAttribute("readOnly"); + return; +} + // ]]> @@ -316,7 +344,8 @@ my %add_entries = ( text => "$font", link => "$link", vlink => "$vlink", - alink => "$alink",); + alink => "$alink", + onload => 'javascript:enableInput();',); $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, { 'redirect' => [$expire,'/adm/roles'], @@ -326,24 +355,27 @@ $r->print(&Apache::loncommon::start_page # ----------------------------------------------------------------------- Texts my %lt=&Apache::lonlocal::texthash( - 'un' => 'Username', - 'pw' => 'Password', - 'dom' => 'Domain', - 'perc' => 'percent', - 'load' => 'Server Load', - 'userload' => 'User Load', - 'catalog' => 'Course Catalog', - 'log' => 'Log in', - 'help' => 'Log-in Help', - 'serv' => 'Server', - 'servadm' => 'Server Administration', - 'helpdesk' => 'Contact Helpdesk', - 'forgotpw' => 'Forgot password?', - 'newuser' => 'New User?', - ); + 'un' => 'Username', + 'pw' => 'Password', + 'dom' => 'Domain', + 'perc' => 'percent', + 'load' => 'Server Load', + 'userload' => 'User Load', + 'catalog' => 'Course/Community Catalog', + 'log' => 'Log in', + 'help' => 'Log-in Help', + 'serv' => 'Server', + 'servadm' => 'Server Administration', + 'helpdesk' => 'Contact Helpdesk', + 'forgotpw' => 'Forgot password?', + 'newuser' => 'New User?', + ); # -------------------------------------------------- Change password field name + my $forgotpw = &forgotpwdisplay(%lt); -my $loginhelp = &loginhelpdisplay(%lt); +$forgotpw .= '
' if $forgotpw; +my $loginhelp = &loginhelpdisplay($authdomain,%lt); +$loginhelp .= '
' if $loginhelp; # ---------------------------------------------------- Serve out DES JavaScript { @@ -353,7 +385,9 @@ $r->print(<$jsh>); # ---------------------------------------------------------- Serve rest of page $r->print( - '
'); + '
' +); # # If the loadbalancing yielded just http:// because perhaps there's no loadbalancing? @@ -361,7 +395,7 @@ $r->print( # $r->print(< +
@@ -375,37 +409,36 @@ $r->print(<'; } my $newuserlink; if ($shownewuserlink) { $newuserlink = &newuser_link($lt{'newuser'}).'
'; } -my $logintitle; -if ($loginheader eq 'text') { - $logintitle ='

'.$lt{'log'}.'

'; -} else { - $logintitle = ''. - &mt('User Authentication').''; -} +my $logintitle = + '

' + .$lt{'log'} + .'

'; my $noscript_warning=''; my $helpdeskscript; my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, - $version,$authdomain,\$helpdeskscript); + $authdomain,\$helpdeskscript); my $loginform=(< :
-
+
:
-
+
:
-
+
LFORM @@ -413,83 +446,107 @@ LFORM if ($showbanner) { $r->print(< - - - - -
- The Learning Online Network with CAPA -
+
+ The Learning Online Network with CAPA +
HEADER } $r->print(< 
-
-
+
+
$logintitle - - - - -
- $loginform -
- $noscript_warning + $loginform + $noscript_warning
-
- $loginhelp
- $forgotpw
- $contactblock
- $newuserlink - $coursecatalog +
+ $loginhelp + $forgotpw + $contactblock + $newuserlink + $coursecatalog
+ +
ENDTOP if ($showmainlogo) { $r->print(' '."\n"); } $r->print(< 
+
+
ENDTOP - -$r->print(< + my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); + $domainrow = <<"END"; -    $lt{'dom'}:  + $lt{'dom'}:   $domain +END + $serverrow = <<"END"; -    $lt{'serv'}:  + $lt{'serv'}:   $lonhost ($role) +END + if ($loadlim) { + $loadrow = <<"END"; -    $lt{'load'}:  + $lt{'load'}:   $loadpercent $lt{'perc'} +END + } + if ($uloadlim) { + $userloadrow = <<"END"; -    $lt{'userload'}:  + $lt{'userload'}:   $userloadpercent $lt{'perc'} +END + } + if (($version ne '') && ($version ne '')) { + $versionrow = <<"END"; + + + $version + + +END + } + +$r->print(< + +$domainrow +$serverrow +$loadrow +$userloadrow +$versionrow
+
+
+ $domainlogo +
+
ENDSCRIPT } - $contactblock .= <<"ENDBLOCK"; -    $version -ENDBLOCK return $contactblock; } @@ -553,10 +663,20 @@ sub forgotpwdisplay { } sub loginhelpdisplay { - my (%lt) = @_; + my ($authdomain,%lt) = @_; my $login_help = 1; if ($login_help) { - return ''.$lt{'help'}.''; + my $dom = $authdomain; + if ($dom eq '') { + $dom = &Apache::lonnet::default_login_domain(); + } + my %helpconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$dom); + my $loginhelp_url = $helpconfig{'helpsettings'}{'loginhelpurl'}; + if ($loginhelp_url ne '') { + return ''.$lt{'help'}.''; + } else { + return ''.$lt{'help'}.''; + } } return; } @@ -570,7 +690,7 @@ END sub newuser_link { my ($linkname) = @_; - return '   '.$linkname.'
'; + return ''.$linkname.''; } 1;