--- loncom/auth/lonlogin.pm 2008/12/10 15:45:38 1.112 +++ loncom/auth/lonlogin.pm 2015/06/06 14:40:28 1.158.2.4 @@ -1,7 +1,7 @@ # The LearningOnline Network # Login Screen # -# $Id: lonlogin.pm,v 1.112 2008/12/10 15:45:38 muellerd Exp $ +# $Id: lonlogin.pm,v 1.158.2.4 2015/06/06 14:40:28 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -46,7 +46,7 @@ sub handler { (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'}, $ENV{'REDIRECT_QUERY_STRING'}), ['interface','username','domain','firsturl','localpath','localres', - 'token']); + 'token','role','symb','iptoken']); if (!defined($env{'form.firsturl'})) { &Apache::lonacc::get_posted_cgi($r,['firsturl']); } @@ -64,60 +64,94 @@ sub handler { # Are we re-routing? - if (-e '/home/httpd/html/lon-status/reroute.txt') { + my $londocroot = $r->dir_config('lonDocRoot'); + if (-e "$londocroot/lon-status/reroute.txt") { &Apache::lonauth::reroute($r); 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('You are already logged in!').'

' - .'

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

' - .'

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

' + .'

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

' + .'

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

' .$end_page ); - return OK; + return OK; + } } # ---------------------------------------------------- No valid token, continue - # ---------------------------- Not possible to really login to domain "public" +# ---------------------------- Not possible to really login to domain "public" if ($env{'form.domain'} eq 'public') { $env{'form.domain'}=''; $env{'form.username'}=''; } + +# ------ Is this page requested because /adm/migrateuser detected an IP change? + my %sessiondata; + if ($env{'form.iptoken'}) { + %sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'}); + unless ($sessiondata{'sessionserver'}) { + my $delete = &Apache::lonnet::tmpdel($env{'form.iptoken'}); + delete($env{'form.iptoken'}); + } + } # ----------------------------------------------------------- Process Interface $env{'form.interface'}=~s/\W//g; - my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; - - my $fullgraph=($env{'form.interface'} ne 'textual'); + (undef,undef,undef,undef,undef,undef,my $clientmobile) = + &Apache::loncommon::decode_user_agent(); my $iconpath= &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL')); + my $lonhost = $r->dir_config('lonHostID'); my $domain = &Apache::lonnet::default_login_domain(); - if (($env{'form.domain'}) && + my $defdom = $domain; + if ($lonhost ne '') { + unless ($sessiondata{'sessionserver'}) { + my $redirect = &check_loginvia($domain,$lonhost); + if ($redirect) { + $r->print($redirect); + return OK; + } + } + } + + if (($sessiondata{'domain'}) && + (&Apache::lonnet::domain($env{'form.domain'},'description'))) { + $domain=$sessiondata{'domain'}; + } elsif (($env{'form.domain'}) && (&Apache::lonnet::domain($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'); @@ -125,9 +159,20 @@ sub handler { 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 ($authusername,$authdomain); + if ($sessiondata{'username'}) { + $authusername=$sessiondata{'username'}; + } else { + $env{'form.username'} = &Apache::loncommon::cleanup_html($env{'form.username'}); + $authusername=($env{'form.username'}?$env{'form.username'}:''); + } + if ($sessiondata{'domain'}) { + $authdomain=$sessiondata{'domain'}; + } else { + $env{'form.domain'} = &Apache::loncommon::cleanup_html($env{'form.domain'}); + $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain); + } # ---------------------------------------------------------- Determine own load my $loadavg; @@ -136,18 +181,17 @@ 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 $announcements=&Apache::lonnet::getannounce(); @@ -172,13 +216,33 @@ sub handler { if ($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'}); + } + if ($env{'form.iptoken'}) { + if (!$tokenextras) { + $tokenextras = '&&'; + } + $tokenextras .= '&iptoken='.&escape($env{'form.iptoken'}); + } my $logtoken=Apache::lonnet::reply( - 'tmpput:'.$ukey.$lkey.'&'.$firsturl, + 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras, $lonhost); -# ------------------- If we cannot talk to ourselves, we are in serious trouble +# -- If we cannot talk to ourselves, or hostID does not map to a hostname +# we are in serious trouble - if ($logtoken eq 'con_lost') { + if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) { + if ($logtoken eq 'no_such_host') { + &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab'); + } my $spares=''; my $last; foreach my $hostid (sort @@ -189,7 +253,7 @@ sub handler { keys(%Apache::lonnet::spareid)) { next if ($hostid eq $lonhost); my $hostname = &Apache::lonnet::hostname($hostid); - next if ($last eq $hostname); + next if (($last eq $hostname) || ($hostname eq '')); $spares.='
'. @@ -197,24 +261,26 @@ sub handler { ' '.&mt('(preferred)').''.$/; $last=$hostname; } -$spares.= '
'; -my %all_hostnames = &Apache::lonnet::all_hostnames(); -foreach my $hostid (sort + if ($spares) { + $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; -} -$r->print( + next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid}); + my $hostname = &Apache::lonnet::hostname($hostid); + next if (($last eq $hostname) || ($hostname eq '')); + $spares.='
'. + $hostname.''; + $last=$hostname; + } + $r->print( '' .'' .&mt('The LearningOnline Network with CAPA') @@ -222,55 +288,58 @@ $r->print( .'<body bgcolor="#FFFFFF">' .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>' .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />' - .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>' - .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>' - .$spares - .'</body>' - .'</html>' -); -return OK; -} + .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'); + if ($spares) { + $r->print('<p>'.&mt('Please attempt to login to one of the following servers:') + .'</p>' + .$spares); + } + $r->print('</body>' + .'</html>' + ); + return OK; + } # ----------------------------------------------- Apparently we are in business -$servadm=~s/\,/\<br \/\>/g; + $servadm=~s/\,/\<br \/\>/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 $logo=&Apache::loncommon::designparm('login.logo',$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); + my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain); + my $font=&Apache::loncommon::designparm('login.font',$domain); + my $link=&Apache::loncommon::designparm('login.link',$domain); + my $vlink=&Apache::loncommon::designparm('login.vlink',$domain); + my $alink=&Apache::loncommon::designparm('login.alink',$domain); + my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain); + my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain); + my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain); + my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain); + my $logo=&Apache::loncommon::designparm('login.logo',$domain); + my $img=&Apache::loncommon::designparm('login.img',$domain); + my $domainlogo=&Apache::loncommon::domainlogo($domain); + 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 $showadminmail; + my @possdoms = &Apache::lonnet::current_machine_domains(); + if (grep(/^\Q$domain\E$/,@possdoms)) { + $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain); + } + my $showcoursecat = + &Apache::loncommon::designparm('login.coursecatalog',$domain); + my $shownewuserlink = + &Apache::loncommon::designparm('login.newuser',$domain); + my $showhelpdesk = + &Apache::loncommon::designparm('login.helpdesk',$domain); + my $now=time; + my $js = (<<ENDSCRIPT); -<script language="JavaScript"> +<script type="text/javascript" language="JavaScript"> +// <![CDATA[ function send() { this.document.server.elements.uname.value @@ -296,64 +365,109 @@ this.document.client.elements.upass$now. this.document.server.submit(); return false; } + +function enableInput() { + this.document.client.elements.upass$now.removeAttribute("readOnly"); + this.document.client.elements.uname.removeAttribute("readOnly"); + this.document.client.elements.udom.removeAttribute("readOnly"); + return; +} + +// ]]> </script> ENDSCRIPT # --------------------------------------------------- Print login screen header -my %add_entries = (topmargin => "0", - leftmargin => "0", - marginheight => "0", - marginwidth => "0", + my %add_entries = ( bgcolor => "$mainbg", text => "$font", link => "$link", vlink => "$vlink", - alink => "$alink",); + alink => "$alink", + onload => 'javascript:enableInput();',); + + my ($lonhost_in_use,$headextra,$headextra_exempt,@hosts,%defaultdomconf); + @hosts = &Apache::lonnet::current_machine_ids(); + $lonhost_in_use = $lonhost; + if (@hosts > 1) { + foreach my $hostid (@hosts) { + if (&Apache::lonnet::host_domain($hostid) eq $defdom) { + $lonhost_in_use = $hostid; + last; + } + } + } + %defaultdomconf = &Apache::loncommon::get_domainconf($defdom); + $headextra = $defaultdomconf{$defdom.'.login.headtag_'.$lonhost_in_use}; + $headextra_exempt = $defaultdomconf{$domain.'.login.headtag_exempt_'.$lonhost_in_use}; + if ($headextra) { + my $omitextra; + if ($headextra_exempt ne '') { + my @exempt = split(',',$headextra_exempt); + my $ip = $ENV{'REMOTE_ADDR'}; + if (grep(/^\Q$ip\E$/,@exempt)) { + $omitextra = 1; + } + } + unless ($omitextra) { + my $confname = $defdom.'-domainconfig'; + if ($headextra =~ m{^\Q/res/$defdom/$confname/login/headtag/$lonhost_in_use/\E}) { + my $extra = &Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$headextra)); + unless ($extra eq '-1') { + $js .= "\n".$extra."\n"; + } + } + } + } -$r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js, + $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$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' => 'Server Load', - 'userload' => 'User Load', - 'about' => 'About LON-CAPA', - 'catalog' => 'Course Catalog', - 'log' => 'Log in', - 'help' => 'Log-in Help', - 'serv' => 'Server', - 'servadm' => 'Server Administration', - 'helpdesk' => 'Contact Helpdesk', - 'forgotpw' => 'Forgot password?', - 'newuser' => 'New User?', - ); + my %lt=&Apache::lonlocal::texthash( + '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 .= '<br />' if $forgotpw; + my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain); + if ($loginhelp) { + $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />'; + } # ---------------------------------------------------- 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( - '<div class="LC_loginpage_container">'); -} + $r->print( + '<div class="LC_Box"' + .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">' +); -$r->print(<<ENDSERVERFORM); -<form name="server" action="$otherserver/adm/authenticate" method="post" target="_top"> + $r->print(<<ENDSERVERFORM); +<form name="server" action="/adm/authenticate" method="post" target="_top"> <input type="hidden" name="logtoken" value="$logtoken" /> <input type="hidden" name="serverid" value="$lonhost" /> <input type="hidden" name="uname" value="" /> @@ -365,160 +479,256 @@ $r->print(<<ENDSERVERFORM); <input type="hidden" name="localres" value="$env{'form.localres'}" /> </form> ENDSERVERFORM -my $coursecatalog; -if (($showcoursecat eq '') || ($showcoursecat)) { - $coursecatalog = &coursecatalog_link($lt{'catalog'}); -} -my $newuserlink; -if ($shownewuserlink) { - $newuserlink = &newuser_link($lt{'newuser'}); -} -my $logintitle; -if ($loginheader eq 'text') { - $logintitle ='<h1>'.$lt{'log'}.'</h1>'; -} else { - $logintitle = '<img src="'.$login.'" alt="'. - &mt('User Authentication').'" />'; -} - -my $noscript_warning='<noscript><span class="LC_warning"><b>' - .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.') - .'</b></span></noscript>'; -my $helpdeskscript; -my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, - $version,$authdomain,\$helpdeskscript); - -my $loginform=(<<LFORM); -<form name="client" onsubmit="return(send())"> - <input type="hidden" name="lextkey" value="$lextkey"> - <input type="hidden" name="uextkey" value="$uextkey"> + my $coursecatalog; + if (($showcoursecat eq '') || ($showcoursecat)) { + $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />'; + } + my $newuserlink; + if ($shownewuserlink) { + $newuserlink = &newuser_link($lt{'newuser'}).'<br />'; + } + my $logintitle = + '<h2 class="LC_hcell"' + .' style="background:'.$loginbox_header_bgcol.';' + .' color:'.$loginbox_header_textcol.'">' + .$lt{'log'} + .'</h2>'; + + my $noscript_warning='<noscript><span class="LC_warning"><b>' + .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.') + .'</b></span></noscript>'; + my $helpdeskscript; + my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail, + $authdomain,\$helpdeskscript, + $showhelpdesk,\@possdoms); + + my $mobileargs; + if ($clientmobile) { + $mobileargs = 'autocapitalize="off" autocorrect="off"'; + } + my $loginform=(<<LFORM); +<form name="client" action="" onsubmit="return(send())"> + <input type="hidden" name="lextkey" value="$lextkey" /> + <input type="hidden" name="uextkey" value="$uextkey" /> <b><label for="uname">$lt{'un'}</label>:</b><br /> - <input type="text" name="uname" size="20" value="$authusername" /><br /> + <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" $mobileargs /><br /> <b><label for="upass$now">$lt{'pw'}</label>:</b><br /> - <input type="password" name="upass$now" size="20" /><br /> + <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br /> <b><label for="udom">$lt{'dom'}</label>:</b><br /> - <input type="text" name="udom" size="20" value="$authdomain" /><br /> + <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" $mobileargs /><br /> <input type="submit" value="$lt{'log'}" /> </form> LFORM -if ($fullgraph) { if ($showbanner) { $r->print(<<HEADER); <!-- The LON-CAPA Header --> -<table border="0" align="left" width="100%" cellspacing="0" cellpadding="1"> - <tr> - <td align="left" valign="top" bgcolor="$pgbg"> - <img src="$img" border=0 alt="The Learning Online Network with CAPA" /> - </td> - </tr> -</table> +<div style="background:$pgbg;margin:0;width:100%;"> + <img src="$img" border="0" alt="The Learning Online Network with CAPA" /> +</div> HEADER } - if ($showmainlogo) { - $r->print('<div class="LC_loginpage_space"> </div>'."\n". - ' <img src="'.$logo.'" alt="" />'."\n"); - } $r->print(<<ENDTOP); -<div class="LC_loginpage_loginDomain">$domainlogo</div> -<div class="LC_loginpage_loginContainer"> +<div style="float:left;margin-top:0;"> +<div class="LC_Box" style="background:$loginbox_bg;"> $logintitle - <table border="0" align="left" cellspacing="1" cellpadding="2" width="100%"> - <tr> - <td> - $loginform - </td> - </tr> - </table> - $noscript_warning + $loginform + $noscript_warning </div> -<div class="LC_loginpage_loginInfo"> - $loginhelp<br /> - $forgotpw<br /><br /> - $newuserlink<br /> - $coursecatalog<br /><br /> - <a href="/adm/about.html"><b>$lt{'about'}</b></a><br/> - $contactblock +<div class="LC_Box" style="padding-top: 10px;"> + $loginhelp + $forgotpw + $contactblock + $newuserlink + $coursecatalog +</div> </div> -<div class="LC_loginpage_space"> </div> +<div> +ENDTOP + if ($showmainlogo) { + $r->print(' <img src="'.$logo.'" alt="" />'."\n"); + } +$r->print(<<ENDTOP); $announcements +</div> +<hr style="clear:both;" /> ENDTOP -} - -if($announcements){$r->print('<div class="LC_loginpage_space"> </div>');} - -if ($fullgraph) { -$r->print(<<ENDDOCUMENT); - <table border=0 cellspacing=0 cellpadding=0> + my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); + $domainrow = <<"END"; <tr> <td align="left" valign="top"> - <small><b>   $lt{'dom'}: </b></small> + <small><b>$lt{'dom'}: </b></small> </td> <td align="left" valign="top"> <small><tt> $domain</tt></small> </td> </tr> +END + $serverrow = <<"END"; <tr> <td align="left" valign="top"> - <small><b>   $lt{'serv'}: </b></small> + <small><b>$lt{'serv'}: </b></small> </td> <td align="left" valign="top"> <small><tt> $lonhost ($role)</tt></small> </td> </tr> +END + if ($loadlim) { + $loadrow = <<"END"; <tr> <td align="left" valign="top"> - <small><b>   $lt{'load'}: </b></small> + <small><b>$lt{'load'}: </b></small> </td> <td align="left" valign="top"> <small><tt> $loadpercent $lt{'perc'}</tt></small> </td> </tr> +END + } + if ($uloadlim) { + $userloadrow = <<"END"; <tr> <td align="left" valign="top"> - <small><b>   $lt{'userload'}: </b></small> + <small><b>$lt{'userload'}: </b></small> </td> <td align="left" valign="top"> <small><tt> $userloadpercent $lt{'perc'}</tt></small> </td> </tr> +END + } + if (($version ne '') && ($version ne '<!-- VERSION -->')) { + $versionrow = <<"END"; + <tr> + <td colspan="2" align="left"> + <small>$version</small> + </td> + </tr> +END + } + + $r->print(<<ENDDOCUMENT); + <div style="float: left;"> + <table border="0" cellspacing="0" cellpadding="0"> +$domainrow +$serverrow +$loadrow +$userloadrow +$versionrow </table> + </div> + <div style="float: right;"> + $domainlogo + </div> + <br style="clear:both;" /> </div> <script type="text/javascript"> +// <![CDATA[ // the if prevents the script error if the browser can not handle this if ( document.client.uname ) { document.client.uname.focus(); } +// ]]> </script> $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,$helpdeskscript,$showhelpdesk, + $possdoms) = @_; my $contactblock; - my $showhelpdesk = 0; - my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; - if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) { - $showhelpdesk = 1; + my $origmail; + if (ref($possdoms) eq 'ARRAY') { + if (grep(/^\Q$authdomain\E$/,@{$possdoms})) { + $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; + } + } + my $requestmail = + &Apache::loncommon::build_recipient_list(undef,'helpdeskmail', + $authdomain,$origmail); + unless ($showhelpdesk eq '0') { + if ($requestmail =~ m/[^\@]+\@[^\@]+/) { + $showhelpdesk = 1; + } else { + $showhelpdesk = 0; + } } if ($servadm && $showadminmail) { - $contactblock .= '<b>   '.$$lt{'servadm'}.':</b><br />'. - '<tt>      '.$servadm.'</tt><br /> <br />'; + $contactblock .= $$lt{'servadm'}.':<br />'. + '<tt>'.$servadm.'</tt><br />'; } if ($showhelpdesk) { - $contactblock .= '<b><a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a></b><br />'; + $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />'; my $thisurl = &escape('/adm/login'); $$helpdeskscript = <<"ENDSCRIPT"; <script type="text/javascript"> +// <![CDATA[ function helpdesk() { - var codedom = document.client.udom.value; + var possdom = document.client.udom.value; + var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),''); if (codedom == '') { codedom = "$authdomain"; } @@ -526,12 +736,10 @@ function helpdesk() { document.location.href = "/adm/helpdesk?"+querystr; return; } +// ]]> </script> ENDSCRIPT } - $contactblock .= <<"ENDBLOCK"; -    $version -ENDBLOCK return $contactblock; } @@ -544,15 +752,6 @@ sub forgotpwdisplay { return; } -sub loginhelpdisplay { - my (%lt) = @_; - my $login_help = 1; - if ($login_help) { - return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>'; - } - return; -} - sub coursecatalog_link { my ($linkname) = @_; return <<"END"; @@ -562,7 +761,7 @@ END sub newuser_link { my ($linkname) = @_; - return '   <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />'; + return '<a href="/adm/createaccount">'.$linkname.'</a>'; } 1;