--- loncom/auth/lonlogin.pm 2006/12/05 02:55:56 1.85 +++ loncom/auth/lonlogin.pm 2008/01/24 15:06:21 1.100 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.85 2006/12/05 02:55:56 albertel Exp $ +# $Id: lonlogin.pm,v 1.100 2008/01/24 15:06:21 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -30,7 +30,6 @@ package Apache::lonlogin; use strict; use Apache::Constants qw(:common); -use CGI::Cookie(); use Apache::File (); use Apache::lonnet; use Apache::loncommon(); @@ -40,17 +39,6 @@ use Apache::migrateuser(); use lib '/home/httpd/lib/perl/'; use LONCAPA; - -sub additional_machine_domains { - my @domains; - open(my $fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/expected_domains.tab'); - while( my $line = <$fh>) { - $line =~ s/\s//g; - push(@domains,$line); - } - return @domains; -} - sub handler { my $r = shift; @@ -80,35 +68,25 @@ sub handler { # -------------------------------- Prevent users from attempting to login twice - my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); - my $lonid=$cookies{'lonID'}; - my $cookie; - if ($lonid) { - my $handle=&LONCAPA::clean_handle($lonid->value); - my $lonidsdir=$r->dir_config('lonIDsDir'); - if (-e "$lonidsdir/$handle.id") { -# Is there an existing token file? - if ($handle=~/^publicuser\_/) { + my $handle = &Apache::lonnet::check_for_valid_session($r); + if ($handle=~/^publicuser\_/) { # For "public user" - remove it, we apparently really want to login - unlink("$lonidsdir/$handle.id"); - } elsif ($handle ne '') { + unlink($r->dir_config('lonIDsDir')."/$handle.id"); + } elsif ($handle ne '') { # Indeed, a valid token is found - 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; - } - } + my $start_page = + &Apache::loncommon::start_page('Already logged in'); + my $end_page = + &Apache::loncommon::end_page(); + $r->print( + $start_page + .'

'.&mt('You are already logged in').'

' + .'

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

' + .'

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

' + .$end_page + ); + return OK; } # ---------------------------------------------------- No valid token, continue @@ -131,30 +109,24 @@ ENDFAILED } my $fullgraph=($env{'form.interface'} ne 'textual'); - 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'); - my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0]; - foreach my $posdom (&Apache::lonnet::current_machine_domains(), - &additional_machine_domains()) { - if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; } - } + + my $iconpath= + &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); + + my $domain = &Apache::lonnet::default_login_domain(); if (($env{'form.domain'}) && - ($Apache::lonnet::domaindescription{$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 $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'); my $version = $r->dir_config('lonVersion'); - my $host_name = $Apache::lonnet::hostname{$lonhost}; + my $host_name = &Apache::lonnet::hostname($lonhost); # --------------------------------------------- Default values for login fields @@ -175,9 +147,8 @@ ENDFAILED my $otherserver= &Apache::lonnet::absolute_url($host_name); my $firsturl= ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'}); -# ---------------------------------------- Are we access server and overloaded? - if (($role eq 'access') && - (($userloadpercent>100.0)||($loadpercent>100.0))) { +# ---------------------------------------------------------- Are we overloaded? + if ((($userloadpercent>100.0)||($loadpercent>100.0))) { my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent); if ($unloaded) { $otherserver=$unloaded; } } @@ -216,33 +187,36 @@ ENDFAILED my $last; foreach my $hostid (sort { - $Apache::lonnet::hostname{$a} cmp - $Apache::lonnet::hostname{$b}; + &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}); + my $hostname = &Apache::lonnet::hostname($hostid); + next if ($last eq $hostname); $spares.='
'. - $Apache::lonnet::hostname{$hostid}.''. + $hostname.''. ' (preferred)'.$/; - $last=$Apache::lonnet::hostname{$hostid}; + $last=$hostname; } $spares.= '
'; + my %all_hostnames = &Apache::lonnet::all_hostnames(); foreach my $hostid (sort { - $Apache::lonnet::hostname{$a} cmp - $Apache::lonnet::hostname{$b}; + &Apache::lonnet::hostname($a) cmp + &Apache::lonnet::hostname($b); } - keys(%Apache::lonnet::hostname)) { + keys(%all_hostnames)) { next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); - next if ($last eq $Apache::lonnet::hostname{$hostid}); + my $hostname = &Apache::lonnet::hostname($hostid); + next if ($last eq $hostname); $spares.='
'. - $Apache::lonnet::hostname{$hostid}.''; - $last=$Apache::lonnet::hostname{$hostid}; + $hostname.''; + $last=$hostname; } $r->print(< @@ -258,22 +232,7 @@ ENDTROUBLE } # ----------------------------------------------- Apparently we are in business - - my $domainlogo=&Apache::loncommon::domainlogo($domain); - -# --------------------------------------------------- Print login screen header - $r->print(< - - -The LearningOnline Network with CAPA Login - -ENDHEADER -# ---------------------------------------------------- Serve out DES JavaScript - { - my $jsh=Apache::File->new($include."/londes.js"); - $r->print(<$jsh>); - } + $servadm=~s/\,/\
/g; # ----------------------------------------------------------- Front page design my $pgbg= @@ -289,41 +248,28 @@ ENDHEADER ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF'); my $sidebg= ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF'); + my $textcol = + ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000'); + my $bgcol = + ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$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' => 'About LON-CAPA', - 'access' => 'Accessibility Options', - 'catalog' => 'Course Catalog', - 'auth' => 'userauthentication.gif', - 'log' => 'Log in', - 'help' => 'Log-in Help', - 'serv' => 'Server', - 'helpdesk' => 'Contact Helpdesk', - 'forgotpw' => 'Forgot password?'); -# -------------------------------------------------- Change password field name + my $domainlogo=&Apache::loncommon::domainlogo($domain); + my $login=&Apache::loncommon::designparm('login.login',$domain); + if ($login eq '') { + $login = $iconpath.'/'.&mt('userauthentication.gif'); + } + 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 $now=time; - my $forgotpw = &forgotpwdisplay(%lt); - my $loginhelp = &loginhelpdisplay(%lt); -# ---------------------------------------------------------- Serve rest of page - $r->print(< + my $js = (< function send() { - this.document.server.elements.uname.value + this.document.server.elements.uname.value =this.document.client.elements.uname.value; this.document.server.elements.udom.value @@ -352,21 +298,75 @@ my %lt=&Apache::lonlocal::texthash( initkeys(); this.document.server.elements.upass0.value - =crypted(this.document.client.elements.upass$now.value.substr(0,15)); - this.document.server.elements.upass1.value - =crypted(this.document.client.elements.upass$now.value.substr(15,15)); - this.document.server.elements.upass2.value - =crypted(this.document.client.elements.upass$now.value.substr(30,15)); + =crypted(this.document.client.elements.upass$now.value.substr(0,15)); + this.document.server.elements.upass1.value + =crypted(this.document.client.elements.upass$now.value.substr(15,15)); + this.document.server.elements.upass2.value + =crypted(this.document.client.elements.upass$now.value.substr(30,15)); this.document.client.elements.uname.value=''; this.document.client.elements.upass$now.value=''; this.document.server.submit(); - return false; + return false; } + ENDSCRIPT +# --------------------------------------------------- Print login screen header + + my %add_entries = (topmargin => "0", + leftmargin => "0", + marginheight => "0", + marginwidth => "0", + bgcolor => "$pgbg", + text => "$font", + link => "$link", + vlink => "$vlink", + alink => "$alink",); + + $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, + { 'redirect' => [$expire,'/adm/roles'], + 'add_entries' => \%add_entries, + 'only_body' => 1,})); + +# ----------------------------------------------------------------------- Texts + +my %lt=&Apache::lonlocal::texthash( + 'un' => 'Username', + 'pw' => 'Password', + 'dom' => 'Domain', + 'perc' => 'percent', + 'load' => 'Load', + 'userload' => 'User Load', + 'about' => 'About LON-CAPA', + 'access' => 'Accessibility Options', + 'catalog' => 'Course Catalog', + 'log' => 'Log in', + 'help' => 'Log-in Help', + 'serv' => 'Server', + 'servadm' => 'Server Administration', + 'helpdesk' => 'Contact Helpdesk', + 'forgotpw' => 'Forgot password?', + 'options_headline' => 'Select Accessibility Options', + 'sprs_img' => 'Suppress rendering of images', + 'sprs_applet' => 'Suppress Java applets', + 'sprs_embed' => 'Suppress rendering of embedded multimedia', + 'sprs_font' => 'Increase font size', + 'sprs_blackwhite' => 'Switch to black and white mode', + 'remember' => 'Remember these settings for next login'); +# -------------------------------------------------- Change password field name + my $forgotpw = &forgotpwdisplay(%lt); + my $loginhelp = &loginhelpdisplay(%lt); + +# ---------------------------------------------------- Serve out DES JavaScript + { + my $jsh=Apache::File->new($include."/londes.js"); + $r->print(<$jsh>); + } +# ---------------------------------------------------------- Serve rest of page + if ($fullgraph) { $r->print( ''); @@ -392,6 +392,10 @@ ENDSCRIPT ENDSERVERFORM + my $coursecatalog; + if (($showcoursecat eq '') || ($showcoursecat)) { + $coursecatalog = &coursecatalog_link($lt{'catalog'}); + } if ($fullgraph) { $r->print(< @@ -419,24 +423,21 @@ ENDSERVERFORM - +
+ - - - - - - - - - - + + + + + $coursecatalog + - -
  $lt{'access'}
 $lt{'about'}
 $lt{'catalog'}
 $lt{'about'}
 
+
+ @@ -459,18 +460,21 @@ ENDSERVERFORM ENDTOP } else { - $r->print('

The LearningOnline Network with CAPA

Text-based Interface Login

'.$announcements); + $r->print('

The LearningOnline Network with CAPA

' + .'

'.&mt('Text-based Interface Login').'

' + .$announcements); } $r->print('
'); unless ($fullgraph) { $r->print(<Select Accessibility Options -
-
-
-
-
- Remember these settings for next login
+

$lt{'options_headline'}

+
+
+
+
+
+
+ $lt{'remember'}
ENDACCESSOPTIONS } else { $r->print(< ENDNOOPT } + my $logintitle; + if ($loginheader eq 'text') { + $logintitle = '   '.$lt{'log'}.''; + } else { + $logintitle = ''. + &mt('User Authentication').''; + } $r->print(< - + $logintitle - + - + - + @@ -520,7 +531,8 @@ ENDNOOPT ENDLOGIN if ($fullgraph) { my $helpdeskscript; - my $contactblock = &contactdisplay(\%lt,$version,$authdomain,\$helpdeskscript); + my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, + $version,$authdomain,\$helpdeskscript); $r->print(< @@ -611,18 +623,23 @@ $helpdeskscript ENDDOCUMENT } - $r->print(''); + my %endargs = ( 'noredirectlink' => 1, ); + $r->print(&Apache::loncommon::end_page(\%endargs)); return OK; } sub contactdisplay { - my ($lt,$version,$authdomain,$helpdeskscript) = @_; + my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_; my $contactblock; my $showhelpdesk = 0; my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) { $showhelpdesk = 1; } + if ($servadm && $showadminmail) { + $contactblock .= '   '.$$lt{'servadm'}.':
'. + '      '.$servadm.'
 
'; + } if ($showhelpdesk) { $contactblock .= '   '.$lt->{'helpdesk'}.'
'; my $thisurl = &escape('/adm/login'); @@ -664,5 +681,15 @@ sub loginhelpdisplay { return; } +sub coursecatalog_link { + my ($linkname) = @_; + return <<"END"; + + + + +END +} + 1; __END__
User Authentication

   $lt{'un'}:
   :
   $lt{'pw'}:   :
   $lt{'dom'}:   :
 $linkname