--- loncom/auth/lonlogin.pm 2004/12/18 23:58:34 1.61 +++ loncom/auth/lonlogin.pm 2006/08/29 20:12:43 1.79 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.61 2004/12/18 23:58:34 raeburn Exp $ +# $Id: lonlogin.pm,v 1.79 2006/08/29 20:12:43 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -32,13 +32,29 @@ use strict; use Apache::Constants qw(:common); use CGI::Cookie(); use Apache::File (); -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); use Apache::lonauth(); use Apache::lonlocal; +use Apache::migrateuser(); +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + sub handler { my $r = shift; + + &Apache::loncommon::get_unprocessed_cgi + (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'}, + $ENV{'REDIRECT_QUERY_STRING'}), + ['interface','username','domain','firsturl','localpath','localres', + 'token']); + +# -- check if they are a migrating user + if (defined($env{'form.token'})) { + return &Apache::migrateuser::handler($r); + } + &Apache::loncommon::no_cache($r); &Apache::lonlocal::get_language_handle($r); &Apache::loncommon::content_type($r,'text/html'); @@ -52,6 +68,7 @@ sub handler { return OK; } + # -------------------------------- Prevent users from attempting to login twice my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); my $lonid=$cookies{'lonID'}; @@ -60,47 +77,51 @@ sub handler { my $handle=$lonid->value; $handle=~s/\W//g; my $lonidsdir=$r->dir_config('lonIDsDir'); - if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { + if (-e "$lonidsdir/$handle.id") { +# Is there an existing token file? + if ($handle=~/^publicuser\_/) { +# For "public user" - remove it, we apparently really want to login + unlink("$lonidsdir/$handle.id"); + } elsif ($handle ne '') { # Indeed, a valid token is found - my $bodytag=&Apache::loncommon::bodytag('Already logged in'); - $r->print(< - -Already logged in - -$bodytag + my $start_page = + &Apache::loncommon::start_page('Already logged in'); + my $end_page = + &Apache::loncommon::end_page(); + $r->print(<You are already logged in

Please either continue the current session or logout.

Problems?

- - +$end_page ENDFAILED - return OK; + return OK; + } } } # ---------------------------------------------------- No valid token, continue - &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'}, - ['interface','username','domain','firsturl','localpath','localres']); - - + # ---------------------------- Not possible to really login to domain "public" + if ($env{'form.domain'} eq 'public') { + $env{'form.domain'}=''; + $env{'form.username'}=''; + } # ----------------------------------------------------------- Process Interface - $ENV{'form.interface'}=~s/\W//g; + $env{'form.interface'}=~s/\W//g; my $textbrowsers=$r->dir_config('lonTextBrowsers'); my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; foreach (split(/\:/,$textbrowsers)) { if ($httpbrowser=~/$_/i) { - $ENV{'form.interface'}='textual'; + $env{'form.interface'}='textual'; } } - my $fullgraph=($ENV{'form.interface'} ne 'textual'); + my $fullgraph=($env{'form.interface'} ne 'textual'); my $port_to_use=$r->dir_config('lonhttpdPort'); if (!defined($port_to_use)) { $port_to_use='8080'; @@ -108,9 +129,13 @@ ENDFAILED 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 $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; + foreach my $posdom (&Apache::lonnet::current_machine_domains()) { + if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; } + } + 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'); @@ -121,11 +146,12 @@ ENDFAILED my $include = $r->dir_config('lonIncludes'); my $expire = $r->dir_config('lonExpire'); my $version = $r->dir_config('lonVersion'); + my $host_name = $Apache::lonnet::hostname{$lonhost}; # --------------------------------------------- Default values for login fields - my $authusername=($ENV{'form.username'}?$ENV{'form.username'}:''); - my $authdomain=($ENV{'form.domain'}?$ENV{'form.domain'}:$domain); + my $authusername=($env{'form.username'}?$env{'form.username'}:''); + my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); # ---------------------------------------------------------- Determine own load my $loadavg; @@ -138,9 +164,9 @@ ENDFAILED my $userloadpercent=&Apache::lonnet::userload(); # ------------------------------------------------------- Do the load balancing - my $otherserver='http://'.$ENV{'SERVER_NAME'}; + my $otherserver= &Apache::loncommon::absolute_url($host_name); my $firsturl= - ($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.firsturl'}); + ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); # ---------------------------------------- Are we access server and overloaded? if (($role eq 'access') && (($userloadpercent>100.0)||($loadpercent>100.0))) { @@ -179,22 +205,36 @@ ENDFAILED if ($logtoken eq 'con_lost') { my $spares=''; - - foreach my $hostid (keys(%Apache::lonnet::spareid)) { + my $last; + foreach my $hostid (sort + { + $Apache::lonnet::hostname{$a} cmp + $Apache::lonnet::hostname{$b}; + } + keys(%Apache::lonnet::spareid)) { next if ($hostid eq $lonhost); + next if ($last eq $Apache::lonnet::hostname{$hostid}); $spares.='
'. $Apache::lonnet::hostname{$hostid}.''. ' (preferred)'.$/; + $last=$Apache::lonnet::hostname{$hostid}; } $spares.= '
'; - foreach my $hostid (keys(%Apache::lonnet::hostname)) { + foreach my $hostid (sort + { + $Apache::lonnet::hostname{$a} cmp + $Apache::lonnet::hostname{$b}; + } + keys(%Apache::lonnet::hostname)) { next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); + next if ($last eq $Apache::lonnet::hostname{$hostid}); $spares.='
'. $Apache::lonnet::hostname{$hostid}.''; + $last=$Apache::lonnet::hostname{$hostid}; } $r->print(< @@ -265,7 +305,8 @@ my %lt=&Apache::lonlocal::texthash( 'servadm' => 'Server Administration', 'sysadm' => 'System Administration', 'helpdesk' => 'Contact Helpdesk'); - +# -------------------------------------------------- Change password field name + my $now=time; # ---------------------------------------------------------- Serve rest of page $r->print(< - + - + + + @@ -331,8 +381,8 @@ ENDSCRIPT - - + + ENDSERVERFORM if ($fullgraph) { $r->print(<print(<Select Accessibility Options - Suppress rendering of images
- Suppress Java applets
- Suppress rendering of embedded multimedia
- Increase font size
- Switch to black and white mode
+
+
+
+
+

If you have accessibility needs that are not addressed by this interface, please contact the system administrator at $sysadm.


@@ -429,7 +479,7 @@ ENDNOOPT    $lt{'pw'}: - +    $lt{'dom'}: @@ -447,7 +497,8 @@ ENDNOOPT ENDLOGIN if ($fullgraph) { - my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version); + my $helpdeskscript; + my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript); $r->print(< @@ -534,6 +585,7 @@ $domainlogo // the if prevents the script error if the browser can not handle this if ( document.client.uname ) { document.client.uname.focus(); } +$helpdeskscript ENDDOCUMENT } @@ -542,11 +594,15 @@ ENDDOCUMENT } sub contactdisplay { - my ($lt,$sysadm,$servadm,$version) = @_; + my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_; my $contactblock; my $showsysadm = 1; my $showservadm = 1; - my $showhelpdesk = 1; + my $showhelpdesk = 0; + my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; + if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) { + $showhelpdesk = 1; + } if ($showsysadm) { $contactblock .= '   '.$$lt{'sysadm'}.':
'. '      '.$sysadm.'
'; @@ -556,7 +612,21 @@ sub contactdisplay { '      '.$servadm.'
 
'; } if ($showhelpdesk) { - $contactblock .= '   '.$$lt{'helpdesk'}.'
'; + $contactblock .= '   '.$$lt{'helpdesk'}.'
'; + my $thisurl = &escape('/adm/login'); + $$helpdeskscript = <<"ENDSCRIPT"; + +ENDSCRIPT } $contactblock .= <<"ENDBLOCK";    $version