--- loncom/auth/lonlogin.pm 2010/03/05 17:37:21 1.106.4.6 +++ loncom/auth/lonlogin.pm 2011/03/03 06:37:30 1.147 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.106.4.6 2010/03/05 17:37:21 raeburn Exp $ +# $Id: lonlogin.pm,v 1.147 2011/03/03 06:37:30 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -69,31 +69,35 @@ sub handler { 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('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 @@ -106,29 +110,29 @@ sub handler { # ----------------------------------------------------------- Process Interface $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'; - } - } - - my $fullgraph=($env{'form.interface'} ne 'textual'); 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'); @@ -147,18 +151,17 @@ 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 $announcements=&Apache::lonnet::getannounce(); @@ -218,461 +221,323 @@ sub handler { ' '.&mt('(preferred)').''.$/; $last=$hostname; } - $spares.= '
'; - my %all_hostnames = &Apache::lonnet::all_hostnames(); - foreach my $hostid (sort - { - &Apache::lonnet::hostname($a) cmp - &Apache::lonnet::hostname($b); - } - keys(%all_hostnames)) { - next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); - my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); - $spares.='
'. - $hostname.''; - $last=$hostname; - } - $r->print( - '' - .'' - .&mt('The LearningOnline Network with CAPA') - .'' - .'' - .'

'.&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:').'

' - .$spares - .'' - .'' - ); - return OK; - } +$spares.= '
'; +my %all_hostnames = &Apache::lonnet::all_hostnames(); +foreach my $hostid (sort + { + &Apache::lonnet::hostname($a) cmp + &Apache::lonnet::hostname($b); + } + keys(%all_hostnames)) { + next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); + my $hostname = &Apache::lonnet::hostname($hostid); + next if ($last eq $hostname); + $spares.='
'. + $hostname.''; + $last=$hostname; +} +$r->print( + '' + .'' + .&mt('The LearningOnline Network with CAPA') + .'' + .'' + .'

'.&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 + .'' + .'' +); +return OK; +} # ----------------------------------------------- Apparently we are in business - $servadm=~s/\,/\
/g; +$servadm=~s/\,/\
/g; # ----------------------------------------------------------- Front page design - my $pgbg= - ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF'); - my $font= - ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000'); - my $link= - ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF'); - my $vlink= - ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF'); - my $alink=&Apache::loncommon::designparm('login.alink',$domain); - my $mainbg= - ($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); - 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))) { - $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain); - } - if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) { - $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain); - } - 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; - my $js = (< - // +// - +// ]]> + ENDSCRIPT # --------------------------------------------------- Print login screen header - my %add_entries = (topmargin => "0", - leftmargin => "0", - marginheight => "0", - marginwidth => "0", - bgcolor => "$pgbg", - text => "$font", - link => "$link", - vlink => "$vlink", - alink => "$alink",); - - $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, - { 'redirect' => [$expire,'/adm/roles'], - 'add_entries' => \%add_entries, - 'only_body' => 1,})); +my %add_entries = ( + bgcolor => "$mainbg", + text => "$font", + link => "$link", + vlink => "$vlink", + alink => "$alink", + onload => 'javascript:enableInput();',); + +$r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, + { 'redirect' => [$expire,'/adm/roles'], + 'add_entries' => \%add_entries, + 'only_body' => 1,})); # ----------------------------------------------------------------------- Texts my %lt=&Apache::lonlocal::texthash( - 'un' => 'Username', - 'pw' => 'Password', - 'dom' => 'Domain', - 'load' => 'Server Load', - 'userload' => 'User Load', - 'about' => 'About LON-CAPA', - 'access' => 'Accessibility Options', - '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?', - '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'); + '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); + +my $forgotpw = &forgotpwdisplay(%lt); +$forgotpw .= '
' if $forgotpw; +my $loginhelp = &loginhelpdisplay($authdomain,%lt); +$loginhelp .= '
' if $loginhelp; # ---------------------------------------------------- Serve out DES JavaScript - { - my $jsh=Apache::File->new($include."/londes.js"); - $r->print(<$jsh>); - } +{ +my $jsh=Apache::File->new($include."/londes.js"); +$r->print(<$jsh>); +} # ---------------------------------------------------------- Serve rest of page - if ($fullgraph) { - $r->print( - ''); - } +$r->print( + '
' +); + +# +# If the loadbalancing yielded just http:// because perhaps there's no loadbalancing? +# then just us a relative link to authenticate: +# - $r->print(< +$r->print(< - - - - - - - ENDSERVERFORM - my $coursecatalog; - if (($showcoursecat eq '') || ($showcoursecat)) { - $coursecatalog = &coursecatalog_link($lt{'catalog'}); - } - my $newuserlink; - if ($shownewuserlink) { - $newuserlink = &newuser_link($lt{'newuser'}); - } - if ($fullgraph) { - $r->print(< -
+my $coursecatalog; +if (($showcoursecat eq '') || ($showcoursecat)) { + $coursecatalog = &coursecatalog_link($lt{'catalog'}).'
'; +} +my $newuserlink; +if ($shownewuserlink) { + $newuserlink = &newuser_link($lt{'newuser'}).'
'; +} +my $logintitle = + '

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

'; + +my $noscript_warning=''; +my $helpdeskscript; +my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, + $authdomain,\$helpdeskscript); + +my $loginform=(< + + + :
+
+ :
+
+ :
+
+ + +LFORM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - '; - } else { - $logintitle = ''; - } - my $noscript_warning=''; - $r->print(< - - - -
+ if ($showbanner) { + $r->print(< +
+ The Learning Online Network with CAPA +
HEADER - if ($showbanner) { - $r->print(< -ENDBANNER - } - $r->print(< -
 
- - - - - - - - - $coursecatalog - - - -
 $lt{'access'}
 $lt{'about'}
 
- 		-ENDSTART - if ($showmainlogo) { - $r->print(< - - -ENDLOGO - } - $r->print(< + } + $r->print(< +
+ $logintitle + $loginform + $noscript_warning +
+ +
+ $loginhelp + $forgotpw + $contactblock + $newuserlink + $coursecatalog +
+ - -
+
ENDTOP - } else { - $r->print('

The LearningOnline Network with CAPA

' - .'

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

' - .$announcements); - } - $r->print('
'); - unless ($fullgraph) { - $r->print(<$lt{'options_headline'} -
-
-
-
-
-
- $lt{'remember'}
-ENDACCESSOPTIONS - } else { - $r->print(< - - - - - -ENDNOOPT - } - my $logintitle; - if ($loginheader eq 'text') { - $logintitle = '
   '.$lt{'log'}.''. - &mt('User Authentication').'' - .'
- $logintitle - $noscript_warning - - - - - - - - - - - - + if ($showmainlogo) { + $r->print(' '."\n"); + } +$r->print(< +
+ENDTOP + my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); + $domainrow = <<"END"; - - - - - -

   :
   :
   :
  -
- + 		+ $lt{'dom'}: 
- $loginhelp - $forgotpw - $newuserlink -
+ 		+  $domain
- - -ENDLOGIN - if ($fullgraph) { - my $helpdeskscript; - my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, - $version,$authdomain,\$helpdeskscript); - $r->print(< - - - - - -$announcements - - - - - - - - -
- +END + $serverrow = <<"END"; - - +END + if ($loadlim) { + $loadrow = <<"END"; - - +END + } + if ($uloadlim) { + $userloadrow = <<"END"; - - +END + } + if (($version ne '') && ($version ne '')) { + $versionrow = <<"END"; - - +END + } + +$r->print(< +
-    $lt{'dom'}:  + + $lt{'serv'}:  -  $domain + +  $lonhost ($role)
-    $lt{'serv'}:  + + $lt{'load'}:  -  $lonhost ($role) + +  $loadpercent $lt{'perc'}
-    $lt{'load'}:  + + $lt{'userload'}:  -  $loadpercent% + +  $userloadpercent $lt{'perc'}
-    $lt{'userload'}:  - -  $userloadpercent% + + $version
+$domainrow +$serverrow +$loadrow +$userloadrow +$versionrow
-
- $contactblock - - - - - - - -$domainlogo - - - - - - - - -   - - - - - - - - - - - + +
+ $domainlogo +
+
+ ENDSCRIPT } - $contactblock .= <<"ENDBLOCK"; -    $version -ENDBLOCK return $contactblock; } @@ -730,16 +647,26 @@ sub forgotpwdisplay { my (%lt) = @_; my $prompt_for_resetpw = 1; if ($prompt_for_resetpw) { - return '
   '.$lt{'forgotpw'}.'
'; + return ''.$lt{'forgotpw'}.''; } return; } 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; } @@ -747,16 +674,13 @@ sub loginhelpdisplay { sub coursecatalog_link { my ($linkname) = @_; return <<"END"; - -   - $linkname - + $linkname END } sub newuser_link { my ($linkname) = @_; - return '   '.$linkname.'
'; + return ''.$linkname.''; } 1;