--- loncom/auth/lonlogin.pm 2003/02/19 14:05:28 1.35 +++ loncom/auth/lonlogin.pm 2004/03/16 20:42:50 1.56 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.35 2003/02/19 14:05:28 www Exp $ +# $Id: lonlogin.pm,v 1.56 2004/03/16 20:42:50 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,32 +25,68 @@ # # http://www.lon-capa.org/ # -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9, -# 1/17/01 Gerd Kortemeyer -# -# 2/7/02,2/8,2/12,2/14,2/15,2/19 Josh Brunskole -# -# 7/10/02 Jeremy Bowers package Apache::lonlogin; use strict; use Apache::Constants qw(:common); +use CGI::Cookie(); use Apache::File (); use Apache::lonnet(); use Apache::loncommon(); +use Apache::lonauth(); +use Apache::lonlocal; sub handler { my $r = shift; - $r->content_type('text/html'); &Apache::loncommon::no_cache($r); + &Apache::lonlocal::get_language_handle($r); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; +# Are we re-routing? + if (-e '/home/httpd/html/lon-status/reroute.txt') { + &Apache::lonauth::reroute($r); + return OK; + } + +# -------------------------------- Prevent users from attempting to login twice + my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); + my $lonid=$cookies{'lonID'}; + my $cookie; + if ($lonid) { + my $handle=$lonid->value; + $handle=~s/\W//g; + my $lonidsdir=$r->dir_config('lonIDsDir'); + if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { +# Indeed, a valid token is found + my $bodytag=&Apache::loncommon::bodytag('Already logged in'); + $r->print(< + +Already logged in + +$bodytag +

You are already logged in

+

Please either continue the current session or +logout.

+

+Problems?

+ + +ENDFAILED + return OK; + } + } + +# ---------------------------------------------------- No valid token, continue + &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'},['interface','username','domain','firsturl']); + ($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'}, + ['interface','username','domain','firsturl','localpath','localres']); + # ----------------------------------------------------------- Process Interface $ENV{'form.interface'}=~s/\W//g; @@ -65,10 +101,17 @@ sub handler { } my $fullgraph=($ENV{'form.interface'} ne 'textual'); - - my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':8080'. + my $port_to_use=$r->dir_config('lonhttpdPort'); + if (!defined($port_to_use)) { + $port_to_use='8080'; + } + my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use. $r->dir_config('lonIconsURL'); my $domain = $r->dir_config('lonDefDomain'); + if (($ENV{'form.domain'}) && + ($Apache::lonnet::domaindescription{$ENV{'form.domain'}})) { + $domain=$ENV{'form.domain'}; + } my $role = $r->dir_config('lonRole'); my $loadlim = $r->dir_config('lonLoadLim'); my $servadm = $r->dir_config('lonAdmEMail'); @@ -76,6 +119,8 @@ sub handler { my $lonhost = $r->dir_config('lonHostID'); my $tabdir = $r->dir_config('lonTabDir'); my $include = $r->dir_config('lonIncludes'); + my $expire = $r->dir_config('lonExpire'); + my $version = $r->dir_config('lonVersion'); # --------------------------------------------- Default values for login fields @@ -84,22 +129,27 @@ sub handler { # ---------------------------------------------------------- Determine own load my $loadavg; - { - my $loadfile=Apache::File->new('/proc/loadavg'); - $loadavg=<$loadfile>; - } + { + my $loadfile=Apache::File->new('/proc/loadavg'); + $loadavg=<$loadfile>; + } $loadavg =~ s/\s.*//g; my $loadpercent=100*$loadavg/$loadlim; + my $userloadpercent=&Apache::lonnet::userload(); # ------------------------------------------------------- Do the load balancing my $otherserver='http://'.$ENV{'SERVER_NAME'}; my $firsturl= ($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.firsturl'}); # ---------------------------------------- Are we access server and overloaded? - if (($role eq 'access') && ($loadpercent>100.0)) { - $otherserver=Apache::lonnet::spareserver($loadpercent); + if (($role eq 'access') && + (($userloadpercent>100.0)||($loadpercent>100.0))) { + my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent); + if ($unloaded) { $otherserver=$unloaded; } } +# ----------------------------------------------------------- Get announcements + my $announcements=&Apache::lonnet::getannounce(); # -------------------------------------------------------- Set login parameters my @hexstr=('0','1','2','3','4','5','6','7', @@ -155,11 +205,15 @@ ENDTROUBLE # ----------------------------------------------- Apparently we are in business - my $domainlogo=&Apache::loncommon::domainlogo(); + my $domainlogo=&Apache::loncommon::domainlogo($domain); + $servadm=~s/\,/\
/g; + $sysadm=~s/\,/\
/g; + # --------------------------------------------------- Print login screen header $r->print(< + The LearningOnline Network with CAPA Login ENDHEADER @@ -171,20 +225,38 @@ ENDHEADER # ----------------------------------------------------------- Front page design my $pgbg= - ($fullgraph?&Apache::loncommon::designparm('login.pgbg'):'#FFFFFF'); + ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF'); my $font= - ($fullgraph?&Apache::loncommon::designparm('login.font'):'#000000'); + ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000'); my $link= - ($fullgraph?&Apache::loncommon::designparm('login.link'):'#0000FF'); + ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF'); my $vlink= - ($fullgraph?&Apache::loncommon::designparm('login.vlink'):'#0000FF'); - my $alink=&Apache::loncommon::designparm('login.alink'); + ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF'); + my $alink=&Apache::loncommon::designparm('login.alink',$domain); my $mainbg= - ($fullgraph?&Apache::loncommon::designparm('login.mainbg'):'#FFFFFF'); + ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF'); my $sidebg= - ($fullgraph?&Apache::loncommon::designparm('login.sidebg'):'#FFFFFF'); - my $logo=&Apache::loncommon::designparm('login.logo'); - my $img=&Apache::loncommon::designparm('login.img'); + ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF'); + my $logo=&Apache::loncommon::designparm('login.logo',$domain); + my $img=&Apache::loncommon::designparm('login.img',$domain); + +# ----------------------------------------------------------------------- Texts + +my %lt=&Apache::lonlocal::texthash( + 'un' => 'Username', + 'pw' => 'Password', + 'dom' => 'Domain', + 'perc' => 'percent', + 'load' => 'Load', + 'userload' => 'User Load', + 'about' => 'aboutlon.gif', + 'access' => 'accessbutton.gif', + 'auth' => 'userauthentication.gif', + 'log' => 'Log in', + 'help' => 'Help', + 'serv' => 'Server', + 'servadm' => 'Server Administration', + 'sysadm' => 'System Administration'); # ---------------------------------------------------------- Serve rest of page @@ -203,22 +275,22 @@ ENDHEADER =this.document.client.elements.udom.value; this.document.server.elements.imagesuppress.value - =this.document.client.elements.imagesuppress.value; + =this.document.client.elements.imagesuppress.checked; this.document.server.elements.embedsuppress.value - =this.document.client.elements.embedsuppress.value; + =this.document.client.elements.embedsuppress.checked; this.document.server.elements.appletsuppress.value - =this.document.client.elements.appletsuppress.value; + =this.document.client.elements.appletsuppress.checked; this.document.server.elements.fontenhance.value - =this.document.client.elements.fontenhance.value; + =this.document.client.elements.fontenhance.checked; this.document.server.elements.blackwhite.value - =this.document.client.elements.blackwhite.value; + =this.document.client.elements.blackwhite.checked; this.document.server.elements.remember.value - =this.document.client.elements.remember.value; + =this.document.client.elements.remember.checked; uextkey=this.document.client.elements.uextkey.value; lextkey=this.document.client.elements.lextkey.value; @@ -252,6 +324,8 @@ ENDSCRIPT + + ENDSERVERFORM if ($fullgraph) { $r->print(< - Accessibility Options + Accessibility Options
- About LON-CAPA + About LON-CAPA @@ -293,7 +367,7 @@ ENDSERVERFORM - +
@@ -309,7 +383,7 @@ ENDSERVERFORM ENDTOP } else { - $r->print('

The LearningOnline Network with CAPA

Text-based Interface Login

'); + $r->print('

The LearningOnline Network with CAPA

Text-based Interface Login

'.$announcements); } $r->print('
'); unless ($fullgraph) { @@ -341,24 +415,24 @@ ENDNOOPT - + - + - + - + - +
User Authentication
User Authentication

   User Name:
   $lt{'un'}:
   Password:   $lt{'pw'}:
   Domain:   $lt{'dom'}:
   Help   $lt{'help'}
- +
@@ -372,6 +446,9 @@ ENDLOGIN + +$announcements + @@ -383,7 +460,7 @@ ENDLOGIN + + + +
-    Domain:  +    $lt{'dom'}:   $domain @@ -391,7 +468,7 @@ ENDLOGIN
-    Server:  +    $lt{'serv'}:   $lonhost ($role) @@ -399,19 +476,28 @@ ENDLOGIN
-    Load:  +    $lt{'load'}:  + +  $loadpercent $lt{'perc'} +
+    $lt{'userload'}:  -  $loadpercent percent +  $userloadpercent $lt{'perc'}

-    System Administration:
+    $lt{'sysadm'}:
      $sysadm
-    Server Administration:
-       $servadm
  +    $lt{'servadm'}:
+       $servadm
 
+    $version