--- loncom/auth/lonlogin.pm 2008/09/24 17:05:37 1.105 +++ 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 1.105 2008/09/24 17:05:37 bisitz Exp $ +# $Id: lonlogin.pm,v 1.147 2011/03/03 06:37:30 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -46,7 +46,7 @@ sub handler { (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'}, $ENV{'REDIRECT_QUERY_STRING'}), ['interface','username','domain','firsturl','localpath','localres', - 'token']); + 'token','role','symb']); if (!defined($env{'form.firsturl'})) { &Apache::lonacc::get_posted_cgi($r,['firsturl']); } @@ -69,27 +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(); - $r->print( + &Apache::lonnet::transfer_profile_to_env($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( $start_page .'
'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].', - '','','','').'
' - .'' + .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].', + '','','','').'
' .$end_page ); - return OK; + return OK; + } } # ---------------------------------------------------- No valid token, continue @@ -102,29 +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'); @@ -143,18 +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 $announcements=&Apache::lonnet::getannounce(); @@ -179,8 +186,18 @@ sub handler { if ($uextkey>2147483647) { $uextkey-=4294967296; } # -------------------------------------------------------- Store away log token + my $tokenextras; + if ($env{'form.role'}) { + $tokenextras = '&role='.&escape($env{'form.role'}); + } + if ($env{'form.symb'}) { + if (!$tokenextras) { + $tokenextras = '&'; + } + $tokenextras .= '&symb='.&escape($env{'form.symb'}); + } my $logtoken=Apache::lonnet::reply( - 'tmpput:'.$ukey.$lkey.'&'.$firsturl, + 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras, $lonhost); # ------------------- If we cannot talk to ourselves, we are in serious trouble @@ -201,456 +218,399 @@ sub handler { $hostname. '/adm/login?domain='.$authdomain.'">'. $hostname.''. - ' (preferred)'.$/; - $last=$hostname; - } - $spares.= ''.&mt('Please attempt to login to one of the following servers:').'
' - .$spares - .'' - .'' - ); - return OK; - } +$spares.= ''.&mt('Please attempt to login to one of the following servers:').'
' + .$spares + .'' + .'' +); +return OK; +} # ----------------------------------------------- Apparently we are in business - $servadm=~s/\,/\- | |||||||||||||||||||||||||
- - - | - - - | - - - | - | ||||||||||||||||||||||
-
|
-
-
- - - - - |
- |
-
-
- - | ||||||||||||||||||||||
+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 $loginform=(<+ + : + + : + + + +LFORM + + if ($showbanner) { + $r->print(<
+
+
+HEADER
+ }
+ $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); -} - $r->print(' -ENDLOGIN - if ($fullgraph) { - my $helpdeskscript; - my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, - $version,$authdomain,\$helpdeskscript); - $r->print(<
-
-
- | $announcements |
-
-
-
- | | ||||||||||||||||||||||
- -
- $contactblock - - - -
-
-
- |
-$domainlogo
- |
-
-
-
-
- | |
-
-
-
-
-
- |
-
-
- |
- |
+ $domainlogo
+
+ + $helpdeskscript ENDDOCUMENT -} my %endargs = ( 'noredirectlink' => 1, ); $r->print(&Apache::loncommon::end_page(\%endargs)); return OK; } +sub check_loginvia { + my ($domain,$lonhost) = @_; + if ($domain eq '' || $lonhost eq '') { + return; + } + my %domconfhash = &Apache::loncommon::get_domainconf($domain); + my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost}; + my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost}; + my $output; + if ($loginvia ne '') { + my $noredirect; + my $ip = $ENV{'REMOTE_ADDR'}; + if ($ip eq '127.0.0.1') { + $noredirect = 1; + } else { + if ($loginvia_exempt ne '') { + my @exempt = split(',',$loginvia_exempt); + if (grep(/^\Q$ip\E$/,@exempt)) { + $noredirect = 1; + } + } + } + unless ($noredirect) { + my ($newhost,$path); + if ($loginvia =~ /:/) { + ($newhost,$path) = split(':',$loginvia); + } else { + $newhost = $loginvia; + } + if ($newhost ne $lonhost) { + if (&Apache::lonnet::hostname($newhost) ne '') { + $output = &redirect_page($newhost,$path); + } + } + } + } + return $output; +} + +sub redirect_page { + my ($desthost,$path) = @_; + my $protocol = $Apache::lonnet::protocol{$desthost}; + $protocol = 'http' if ($protocol ne 'https'); + unless ($path =~ m{^/}) { + $path = '/'.$path; + } + my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).$path; + if ($env{'form.firsturl'} ne '') { + $url .='?firsturl='.$env{'form.firsturl'}; + } + my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef, + {'redirect' => [0,$url],}); + my $end_page = &Apache::loncommon::end_page(); + return $start_page.$end_page; +} + sub contactdisplay { - my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_; + my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript) = @_; my $contactblock; my $showhelpdesk = 0; my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; @@ -658,14 +618,15 @@ sub contactdisplay { $showhelpdesk = 1; } if ($servadm && $showadminmail) { - $contactblock .= ' '.$$lt{'servadm'}.': '. - ' '.$servadm.' '; + $contactblock .= $$lt{'servadm'}.': '. + ''.$servadm.' '; } if ($showhelpdesk) { - $contactblock .= ' '.$lt->{'helpdesk'}.' '; + $contactblock .= ''.$lt->{'helpdesk'}.' '; my $thisurl = &escape('/adm/login'); $$helpdeskscript = <<"ENDSCRIPT"; ENDSCRIPT } - $contactblock .= <<"ENDBLOCK"; - $version -ENDBLOCK return $contactblock; } @@ -688,16 +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; } @@ -705,16 +674,13 @@ sub loginhelpdisplay { sub coursecatalog_link { my ($linkname) = @_; return <<"END"; - | ||||||||||||||||||
- | $linkname | -