'
.'' if $forgotpw; my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain); if ($loginhelp) { $loginhelp = ''.$lt{'help'}.'
'; } # ---------------------------------------------------- Serve out DES JavaScript { my $jsh=Apache::File->new($include."/londes.js"); $r->print(<$jsh>); } # ---------------------------------------------------------- Serve rest of page $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'}).'
'; } my $logintitle = '
:
:
:
LFORM if ($showbanner) { my $alttext = &Apache::loncommon::designparm('login.alttext_img',$domain); if ($alttext eq '') { $alttext = 'The Learning Online Network with CAPA'; } $r->print(<
HEADER
}
my $stdauthformstyle = 'inline-block';
my $ssoauthstyle = 'none';
my $sso_onclick;
my $logintype;
$r->print('
'; } 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, $showhelpdesk,\@possdoms); my $mobileargs; if ($clientmobile) { $mobileargs = 'autocapitalize="off" autocorrect="off"'; } my $loginform=(<:
:
LFORM if ($showbanner) { my $alttext = &Apache::loncommon::designparm('login.alttext_img',$domain); if ($alttext eq '') { $alttext = 'The Learning Online Network with CAPA'; } $r->print(<
');
if ($saml_landing) {
$ssoauthstyle = 'inline-block';
$stdauthformstyle = 'none';
$logintype = $samlssotext;
my $ssologin = '/adm/sso';
if ($samlssourl ne '') {
$ssologin = $samlssourl;
}
my $ssologin_for_js = &js_escape($ssologin);
my $querystr_for_js;
if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
my $querystring;
if ($env{'form.firsturl'} ne '') {
$querystring = 'origurl=';
if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
$querystring .= &uri_escape_utf8($env{'form.firsturl'});
} else {
$querystring .= &uri_escape($env{'form.firsturl'});
}
$querystring = &HTML::Entities::encode($querystring,"'");
}
if ($env{'form.ltoken'} ne '') {
$querystring .= (($querystring eq '')?'':'&') . 'ltoken='.
&HTML::Entities::encode(&uri_escape($env{'form.ltoken'}));
} elsif ($env{'form.linkkey'}) {
$querystring .= (($querystring eq '')?'':'&') . 'linkkey='.
&HTML::Entities::encode(&uri_escape($env{'form.linkkey'}));
}
if ($querystring ne '') {
$ssologin .= (($ssologin=~/\?/)?'&':'?') . $querystring;
$querystr_for_js = &js_escape($querystring);
}
} elsif ($logtoken ne '') {
$ssologin .= (($ssologin=~/\?/)?'&':'?') . 'logtoken='.$logtoken;
$querystr_for_js = &js_escape('logtoken='.$logtoken);
}
my $ssohref;
if ($samlwindow) {
$sso_onclick = <<"ENDJS";
if (document.getElementById('LC_sso_login_link')) {
var ssoelem = document.getElementById('LC_sso_login_link')
ssoelem.addEventListener('click',samlWinFunction,false);
var windows = {};
function samlWinFunction(evt) {
evt.preventDefault();
var url = '$ssologin_for_js';
var name = 'lcssowin';
var querystr = '$querystr_for_js';
if (querystr) {
url += '?'+querystr+'&lcssowin=1';
} else {
url += '?lcssowin=1';
}
if ((typeof windows[name] !== 'undefined') && (!windows[name].closed)) {
windows[name].close();
}
windows[name]=window.open(url,name,'width=350,height=600');
windows[name].focus();
return false;
}
}
ENDJS
}
if ($samlssoimg ne '') {
$ssohref = ''.
'
';
} else {
$ssohref = ''.$samlssotext.'';
}
if (($env{'form.saml'} eq 'no') ||
(($env{'form.username'} ne '') && ($env{'form.domain'} ne ''))) {
$ssoauthstyle = 'none';
$stdauthformstyle = 'inline-block';
$logintype = $samlnonsso;
}
$r->print(<
Log-in type:
$logintype
$lt{'change'}
ENDSAML
} else {
if ($env{'form.ltoken'}) {
&Apache::lonnet::tmpdel($env{'form.ltoken'});
delete($env{'form.ltoken'});
}
}
my $in_frame_js;
if ($linkprot_for_login) {
my ($linkprotector,$linkproturi) = split(/:/,$linkprot_for_login,2);
if (($linkprotector =~ /^\d+(c|d)$/) && ($linkproturi =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$})) {
my $set_target;
if (($env{'form.retry'}) || ($env{'form.sso'})) {
if ($linkproturi eq $env{'form.firsturl'}) {
$set_target = " document.server.target = '_self';";
}
} else {
$set_target = <
//
ENDJS
}
} elsif ($samlwindow) {
$in_frame_js = <
//
ENDJS
}
$r->print(<
ENDLOGIN
$r->print('$lt{'change'}
$ssohref
$noscript_warning
$loginhelp
$contactblock
$coursecatalog
$logintitle
$loginform
$noscript_warning
$loginhelp
$forgotpw
$contactblock
$newuserlink
$coursecatalog
'."\n");
if ($showmainlogo) {
my $alttext = &Apache::loncommon::designparm('login.alttext_logo',$domain);
$r->print(' 
'."\n");
}
$r->print(<
ENDTOP my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); $domainrow = <<"END";
$lt{'dom'}:
$domain
END
$serverrow = <<"END";
$lt{'serv'}:
$lonhost ($role)
END
if ($loadlim) {
$loadrow = <<"END";
$lt{'load'}:
$loadpercent $lt{'perc'}
END
}
if ($uloadlim) {
$userloadrow = <<"END";
$lt{'userload'}:
$userloadpercent $lt{'perc'}
END
}
if (($version ne '') && ($version ne '')) {
$versionrow = <<"END";
$version
END
}
$r->print(<
$domainrow
$serverrow
$loadrow
$userloadrow
$versionrow
ENDTOP my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow); $domainrow = <<"END";
$domainlogo
$in_frame_js $helpdeskscript ENDDOCUMENT my %endargs = ( 'noredirectlink' => 1, ); $r->print(&Apache::loncommon::end_page(\%endargs)); return OK; } sub check_loginvia { my ($domain,$lonhost,$lonidsdir,$balcookie) = @_; if ($domain eq '' || $lonhost eq '' || $lonidsdir eq '') { return; } my %domconfhash = &Apache::loncommon::get_domainconf($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 $ip = &Apache::lonnet::get_requestor_ip(); if ($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 '') { if ($balcookie) { my ($balancer,$cookie) = split(/:/,$balcookie); if ($cookie =~ /^($match_domain)_($match_username)_([a-f0-9]+)$/) { my ($udom,$uname,$cookieid) = ($1,$2,$3); unless (&Apache::lonnet::delbalcookie($cookie,$balancer) eq 'ok') { if ((-d $lonidsdir) && (opendir(my $dh,$lonidsdir))) { while (my $filename=readdir($dh)) { if ($filename=~/^(\Q$uname\E_\d+_\Q$udom\E_$match_lonid)\.id$/) { my $handle = $1; my %hash = &Apache::lonnet::get_sessionfile_vars($handle,$lonidsdir, ['request.balancercookie', 'user.linkedenv']); if ($hash{'request.balancercookie'} eq "$balancer:$cookieid") { if (unlink("$lonidsdir/$filename")) { if (($hash{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) && (-l "$lonidsdir/$hash{'user.linkedenv'}.id") && (readlink("$lonidsdir/$hash{'user.linkedenv'}.id") eq "$lonidsdir/$filename")) { unlink("$lonidsdir/$hash{'user.linkedenv'}.id"); } } } last; } } closedir($dh); } } } } $output = &redirect_page($newhost,$path); } } } } return $output; } sub redirect_page { my ($desthost,$path) = @_; my $hostname = &Apache::lonnet::hostname($desthost); my $protocol = $Apache::lonnet::protocol{$desthost}; $protocol = 'http' if ($protocol ne 'https'); unless ($path =~ m{^/}) { $path = '/'.$path; } my $url = $protocol.'://'.$hostname.$path; my $args = {}; if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { $url = $protocol.'://'.$hostname.$env{'form.firsturl'}; if (($env{'form.ltoken'}) || ($env{'form.linkprot'} ne '') || ($env{'form.linkkey'} ne '')) { my %link_info; if ($env{'form.ltoken'}) { %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'}); &Apache::lonnet::tmpdel($env{'form.ltoken'}); $args->{'only_body'} = 1; } elsif ($env{'form.linkprot'}) { $link_info{'linkprot'} = $env{'form.linkprot'}; foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') { if ($env{'form.'.$item}) { $link_info{$item} = $env{'form.'.$item}; } } $args->{'only_body'} = 1; } elsif ($env{'form.linkkey'} ne '') { $link_info{'linkkey'} = $env{'form.linkkey'}; } my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link'); unless (($token eq 'con_lost') || ($token eq 'refused') || ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { $url .= '?ltoken='.$token; } } } else { my $querystring; if ($env{'form.firsturl'} ne '') { if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) { $querystring = &uri_escape_utf8($env{'form.firsturl'}); } else { $querystring = &uri_escape($env{'form.firsturl'}); } $querystring = &HTML::Entities::encode($querystring,"'"); $querystring = '?firsturl='.$querystring; } if ($env{'form.ltoken'}) { my %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'}); &Apache::lonnet::tmpdel($env{'form.ltoken'}); my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link'); unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) || ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { unless (($path eq '/adm/roles') || ($path eq '/adm/login')) { $url = $protocol.'://'.$hostname.'/adm/roles'; } $querystring .= (($querystring =~/^\?/)?'&':'?') . 'ttoken='.$token; } } $url .= $querystring; } $args->{'redirect'} = [0,$url]; my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,$args); my $end_page = &Apache::loncommon::end_page(); return $start_page.$end_page; } sub contactdisplay { my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk, $possdoms) = @_; my $contactblock; 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 .= $$lt{'servadm'}.':
'. ''.$servadm.'
'; } if ($showhelpdesk) { $contactblock .= ''.$lt->{'helpdesk'}.'
'; my $thisurl = &escape('/adm/login'); $$helpdeskscript = <<"ENDSCRIPT"; ENDSCRIPT } return $contactblock; } sub forgotpwdisplay { my (%lt) = @_; my $prompt_for_resetpw = 1; if ($prompt_for_resetpw) { return ''.$lt{'forgotpw'}.''; } return; } sub coursecatalog_link { my ($linkname) = @_; return <<"END"; $linkname END } sub newuser_link { my ($linkname) = @_; return ''.$linkname.''; } sub decode_token { my ($info) = @_; my ($firsturl,@rest)=split(/\&/,$info); my %form; if ($firsturl ne '') { $form{'firsturl'} = &unescape($firsturl); } foreach my $item (@rest) { my ($key,$value) = split(/=/,$item); $form{$key} = &unescape($value); } return %form; } 1; __END__