version 1.13, 2002/03/12 19:34:59
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version 1.187, 2021/09/28 21:16:07
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Line 1
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Line 1
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# The LearningOnline Network |
# The LearningOnline Network
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# Login Screen |
# Login Screen
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# |
#
|
# $Id$ |
# $Id$
|
# |
#
|
# Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees
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# |
#
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
|
# |
#
|
# LON-CAPA is free software; you can redistribute it and/or modify |
# LON-CAPA is free software; you can redistribute it and/or modify
|
# it under the terms of the GNU General Public License as published by |
# it under the terms of the GNU General Public License as published by
|
# the Free Software Foundation; either version 2 of the License, or |
# the Free Software Foundation; either version 2 of the License, or
|
# (at your option) any later version. |
# (at your option) any later version.
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# |
#
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# LON-CAPA is distributed in the hope that it will be useful, |
# LON-CAPA is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details. |
# GNU General Public License for more details.
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# |
#
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# You should have received a copy of the GNU General Public License |
# You should have received a copy of the GNU General Public License
|
# along with LON-CAPA; if not, write to the Free Software |
# along with LON-CAPA; if not, write to the Free Software
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# |
#
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# /home/httpd/html/adm/gpl.txt |
# /home/httpd/html/adm/gpl.txt
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# |
#
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/
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# |
#
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# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, |
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# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9, |
package Apache::lonlogin;
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# 1/17/01 Gerd Kortemeyer |
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# |
use strict;
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package Apache::lonlogin; |
use Apache::Constants qw(:common);
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use Apache::File ();
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use strict; |
use Apache::lonnet;
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use Apache::Constants qw(:common); |
use Apache::loncommon();
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use Apache::File (); |
use Apache::lonauth();
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use Apache::lonnet(); |
use Apache::lonlocal;
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use Apache::loncommon(); |
use Apache::migrateuser();
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use lib '/home/httpd/lib/perl/';
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sub handler { |
use LONCAPA qw(:DEFAULT :match);
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my $r = shift; |
use CGI::Cookie();
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$r->content_type('text/html'); |
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&Apache::loncommon::no_cache($r); |
sub handler {
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$r->send_http_header; |
my $r = shift;
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return OK if $r->header_only; |
|
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&Apache::loncommon::get_unprocessed_cgi
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my $iconpath= $r->dir_config('lonIconsURL'); |
(join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
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my $domain = $r->dir_config('lonDefDomain'); |
$ENV{'REDIRECT_QUERY_STRING'}),
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my $role = $r->dir_config('lonRole'); |
['interface','username','domain','firsturl','localpath','localres',
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my $loadlim = $r->dir_config('lonLoadLim'); |
'token','role','symb','iptoken','btoken','ltoken','linkkey','saml']);
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my $servadm = $r->dir_config('lonAdmEMail'); |
if (!defined($env{'form.firsturl'})) {
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my $sysadm = $r->dir_config('lonSysEMail'); |
&Apache::lonacc::get_posted_cgi($r,['firsturl']);
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my $lonhost = $r->dir_config('lonHostID'); |
}
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my $tabdir = $r->dir_config('lonTabDir'); |
if (!defined($env{'form.firsturl'})) {
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my $include = $r->dir_config('lonIncludes'); |
if ($ENV{'REDIRECT_URL'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) {
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$env{'form.firsturl'} = $ENV{'REDIRECT_URL'};
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my $loadavg; |
}
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{ |
}
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my $loadfile=Apache::File->new('/proc/loadavg'); |
if (($env{'form.firsturl'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) &&
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$loadavg=<$loadfile>; |
(!$env{'form.ltoken'}) && (!$env{'form.linkkey'})) {
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} |
&Apache::lonacc::get_posted_cgi($r,['linkkey']);
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$loadavg =~ s/\s.*//g; |
}
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my $loadpercent=100*$loadavg/$loadlim; |
|
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# -- check if they are a migrating user
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my $otherserver='http://'.$ENV{'SERVER_NAME'}; |
if (defined($env{'form.token'})) {
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my $firsturl=$ENV{'request.firsturl'}; |
return &Apache::migrateuser::handler($r);
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# ---------------------------------------- Are we access server and overloaded? |
}
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if (($role eq 'access') && ($loadpercent>100.0)) { |
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$otherserver=Apache::lonnet::spareserver(); |
# For "public user" - remove any exising "public" cookie, as user really wants to log-in
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} |
my ($handle,$lonidsdir,$expirepub,$userdom);
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$lonidsdir=$r->dir_config('lonIDsDir');
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# -------------------------------------------------------- Set login parameters |
unless ($r->header_only) {
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$handle = &Apache::lonnet::check_for_valid_session($r,'lonID',undef,\$userdom);
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my @hexstr=('0','1','2','3','4','5','6','7', |
if ($handle ne '') {
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'8','9','a','b','c','d','e','f'); |
if ($handle=~/^publicuser\_/) {
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my $lkey=''; |
unlink($r->dir_config('lonIDsDir')."/$handle.id");
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for (0..7) { |
undef($handle);
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$lkey.=$hexstr[rand(15)]; |
undef($userdom);
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} |
$expirepub = 1;
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}
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my $ukey=''; |
}
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for (0..7) { |
}
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$ukey.=$hexstr[rand(15)]; |
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} |
&Apache::loncommon::no_cache($r);
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&Apache::lonlocal::get_language_handle($r);
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my $lextkey=hex($lkey); |
&Apache::loncommon::content_type($r,'text/html');
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my $uextkey=hex($ukey); |
if ($expirepub) {
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my $logtoken=Apache::lonnet::reply( |
my $c = new CGI::Cookie(-name => 'lonPubID',
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'tmpput:'.$ukey.$lkey.'&'.$firsturl, |
-value => '',
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$lonhost); |
-expires => '-10y',);
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$r->header_out('Set-cookie' => $c);
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# --------------------------------------------------- Print login screen header |
} elsif (($handle eq '') && ($userdom ne '')) {
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$r->print(<<ENDHEADER); |
my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
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<html> |
foreach my $name (keys(%cookies)) {
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<head> |
next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
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<title>The LearningOnline Network with CAPA Login</title> |
my $c = new CGI::Cookie(-name => $name,
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</head> |
-value => '',
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ENDHEADER |
-expires => '-10y',);
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# ---------------------------------------------------- Serve out DES JavaScript |
$r->headers_out->add('Set-cookie' => $c);
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{ |
}
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my $jsh=Apache::File->new($include."/londes.js"); |
}
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$r->print(<$jsh>); |
$r->send_http_header;
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} |
return OK if $r->header_only;
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# ---------------------------------------------------------- Serve rest of page |
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$r->print(<<ENDDOCUMENT); |
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# Are we re-routing?
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<body bgcolor="#FFFFFE" text="#000000" link="#999999" vlink="#999999" |
my $londocroot = $r->dir_config('lonDocRoot');
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onLoad="init();"> |
if (-e "$londocroot/lon-status/reroute.txt") {
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&Apache::lonauth::reroute($r);
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<script language="JavaScript"> |
return OK;
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}
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function send() { |
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this.document.server.elements.uname.value |
my $lonhost = $r->dir_config('lonHostID');
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=this.document.client.elements.uname.value; |
$env{'form.firsturl'} =~ s/(`)/'/g;
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this.document.server.elements.udom.value |
# Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
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=this.document.client.elements.udom.value; |
|
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my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
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uextkey=this.document.client.elements.uextkey.value; |
if ($found_server) {
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lextkey=this.document.client.elements.lextkey.value; |
my $hostname = &Apache::lonnet::hostname($found_server);
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initkeys(); |
if ($hostname ne '') {
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my $protocol = $Apache::lonnet::protocol{$found_server};
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this.document.server.elements.upass.value |
$protocol = 'http' if ($protocol ne 'https');
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=crypted(this.document.client.elements.upass.value); |
my $dest = '/adm/roles';
|
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if ($env{'form.firsturl'} ne '') {
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this.document.server.submit(); |
$dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
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} |
}
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my %info = (
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</script> |
balcookie => $lonhost.':'.$balancer_cookie,
|
|
);
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<a href="/adm/accessibility.html">Accessibility Options</a> |
if ($env{'form.ltoken'}) {
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my %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'});
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<a href="/adm/about.html">About LON-CAPA</a><p> |
if ($link_info{'linkprot'}) {
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<table width=600> |
$info{'linkprot'} = $link_info{'linkprot'};
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<tr><td> |
}
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<img src="$iconpath/lonlogo.gif"></td> |
&Apache::lonnet::tmpdel($env{'form.ltoken'});
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<td colspan=2 bgcolor="#DDDDDD"> |
delete($env{'form.ltoken'});
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<font size=+1><b>User Authentication</b></font><p> |
} elsif ($env{'form.linkkey'}) {
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$info{'linkkey'} = $env{'form.linkkey'};
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<form name="server" action="$otherserver/adm/authenticate" |
delete($env{'form.linkkey'});
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method="post" target="_top"> |
}
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<input type=hidden name=logtoken value="$logtoken"> |
my $balancer_token = &Apache::lonnet::tmpput(\%info,$found_server);
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<input type=hidden name=serverid value="$lonhost"> |
if ($balancer_token) {
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<input type=hidden name=uname value=""> |
$dest .= (($dest=~/\?/)?'&':'?') . 'btoken='.$balancer_token;
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<input type=hidden name=upass value=""> |
}
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<input type=hidden name=udom value=""> |
unless ($found_server eq $lonhost) {
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</form> |
my $alias = &Apache::lonnet::use_proxy_alias($r,$found_server);
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$hostname = $alias if ($alias ne '');
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<form name="client"> |
}
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<table border=2 bgcolor="#BBBBBB"> |
my $url = $protocol.'://'.$hostname.$dest;
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<tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr> |
my $start_page =
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<tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr> |
&Apache::loncommon::start_page('Switching Server ...',undef,
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<tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td> |
{'redirect' => [0,$url],});
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</tr> |
my $end_page = &Apache::loncommon::end_page();
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<tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr> |
$r->print($start_page.$end_page);
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</table> |
return OK;
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<input type=hidden name=lextkey value="$lextkey"> |
}
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<input type=hidden name=uextkey value="$uextkey"> |
}
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</form> |
|
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#
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</td> |
# Check if a LON-CAPA load balancer sent user here because user's browser sent
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</tr><tr><td bgcolor="#DDDDDD"> |
# it a balancer cookie for an active session on this server.
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<table border=1 bgcolor="#BBBBBB"> |
#
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<tr><td><font size="-1"><b>Domain:</b></font></td> |
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<td><font size="-1"><tt>$domain</tt></font></td> |
my ($balcookie,$linkprot,$linkkey);
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<td rowspan=3><font size="-1"><b>System Administration:</b><br> |
if ($env{'form.btoken'}) {
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<tt>$sysadm</tt><br> |
my %info = &Apache::lonnet::tmpget($env{'form.btoken'});
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<b>Server Administration:</b><br> |
$balcookie = $info{'balcookie'};
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<tt>$servadm</tt></font></td></tr> |
if ($balcookie) {
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<tr><td><font size="-1"><b>Server:</b></font></td> |
if ($info{'linkprot'}) {
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<td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr> |
$linkprot = $info{'linkprot'};
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<tr><td><font size="-1"><b>Load:</b></font></td> |
} elsif ($info{'linkkey'}) {
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<td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr> |
$linkkey = $info{'linkkey'};
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</table> |
}
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</td><td> |
}
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<font size="+1"> |
&Apache::lonnet::tmpdel($env{'form.btoken'});
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<b>L</b>aboratory for<br> |
delete($env{'form.btoken'});
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<b>I</b>nstructional<br> |
}
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<b>T</b>echnology in<br> |
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<b>E</b>ducation</td><td> |
#
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<img src="$iconpath/liteani.gif"></font></td></tr></table> |
# If browser sent an old cookie for which the session file had been removed
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</body> |
# check if configuration for user's domain has a portal URL set. If so
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</html> |
# switch user's log-in to the portal.
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ENDDOCUMENT |
#
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return OK; |
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} |
if (($handle eq '') && ($userdom ne '')) {
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my %domdefaults = &Apache::lonnet::get_domain_defaults($userdom);
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1; |
if ($domdefaults{'portal_def'} =~ /^https?\:/) {
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__END__ |
my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
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{'redirect' => [0,$domdefaults{'portal_def'}],});
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my $end_page = &Apache::loncommon::end_page();
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$r->print($start_page.$end_page);
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return OK;
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}
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}
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|
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# -------------------------------- Prevent users from attempting to login twice
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if ($handle ne '') {
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&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
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my $start_page =
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&Apache::loncommon::start_page('Already logged in');
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my $end_page =
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&Apache::loncommon::end_page();
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my $dest = '/adm/roles';
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if ($env{'form.firsturl'} ne '') {
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$dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
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}
|
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if (($env{'form.ltoken'}) || ($linkprot)) {
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unless ($linkprot) {
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my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
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$linkprot = $info{'linkprot'};
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my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
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delete($env{'form.ltoken'});
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}
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if ($linkprot) {
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my ($linkprotector,$deeplink) = split(/:/,$linkprot,2);
|
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if ($env{'user.linkprotector'}) {
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my @protectors = split(/,/,$env{'user.linkprotector'});
|
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unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
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push(@protectors,$linkprotector);
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@protectors = sort { $a <=> $b } @protectors;
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&Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
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}
|
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} else {
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&Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
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}
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if ($env{'user.linkproturi'}) {
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my @proturis = split(/,/,$env{'user.linkproturi'});
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unless (grep(/^\Q$deeplink\E$/,@proturis)) {
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push(@proturis,$deeplink);
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@proturis = sort @proturis;
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&Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
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}
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} else {
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&Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
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}
|
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}
|
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} elsif (($env{'form.linkkey'}) || ($linkkey)) {
|
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if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
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if ($linkkey eq '') {
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$linkkey = $env{'form.linkkey'};
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}
|
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if ($env{'user.deeplinkkey'}) {
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my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
|
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unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
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push(@linkkeys,$linkkey);
|
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&Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
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}
|
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} else {
|
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&Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
|
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}
|
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my $deeplink = $env{'form.firsturl'};
|
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if ($env{'user.keyedlinkuri'}) {
|
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my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
|
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unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
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push(@keyeduris,$deeplink);
|
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&Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
|
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}
|
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} else {
|
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&Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
|
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}
|
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}
|
|
}
|
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$r->print(
|
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$start_page
|
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.'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
|
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.'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
|
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'<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
|
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.$end_page
|
|
);
|
|
return OK;
|
|
}
|
|
|
|
# ---------------------------------------------------- No valid token, continue
|
|
|
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# ---------------------------- Not possible to really login to domain "public"
|
|
if ($env{'form.domain'} eq 'public') {
|
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$env{'form.domain'}='';
|
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$env{'form.username'}='';
|
|
}
|
|
|
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# ------ Is this page requested because /adm/migrateuser detected an IP change?
|
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my %sessiondata;
|
|
if ($env{'form.iptoken'}) {
|
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%sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'});
|
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unless ($sessiondata{'sessionserver'}) {
|
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my $delete = &Apache::lonnet::tmpdel($env{'form.iptoken'});
|
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delete($env{'form.iptoken'});
|
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}
|
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}
|
|
# ----------------------------------------------------------- Process Interface
|
|
$env{'form.interface'}=~s/\W//g;
|
|
|
|
(undef,undef,undef,undef,undef,undef,my $clientmobile) =
|
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&Apache::loncommon::decode_user_agent();
|
|
|
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my $iconpath=
|
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&Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
|
|
|
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my $domain = &Apache::lonnet::default_login_domain();
|
|
my $defdom = $domain;
|
|
if ($lonhost ne '') {
|
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unless ($sessiondata{'sessionserver'}) {
|
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my $redirect = &check_loginvia($domain,$lonhost,$lonidsdir,$balcookie,$linkprot);
|
|
if ($redirect) {
|
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$r->print($redirect);
|
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return OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (($sessiondata{'domain'}) &&
|
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(&Apache::lonnet::domain($sessiondata{'domain'},'description'))) {
|
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$domain=$sessiondata{'domain'};
|
|
} elsif (($env{'form.domain'}) &&
|
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(&Apache::lonnet::domain($env{'form.domain'},'description'))) {
|
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$domain=$env{'form.domain'};
|
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}
|
|
|
|
my $role = $r->dir_config('lonRole');
|
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my $loadlim = $r->dir_config('lonLoadLim');
|
|
my $uloadlim= $r->dir_config('lonUserLoadLim');
|
|
my $servadm = $r->dir_config('lonAdmEMail');
|
|
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);
|
|
|
|
# --------------------------------------------- Default values for login fields
|
|
|
|
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;
|
|
{
|
|
my $loadfile=Apache::File->new('/proc/loadavg');
|
|
$loadavg=<$loadfile>;
|
|
}
|
|
$loadavg =~ s/\s.*//g;
|
|
|
|
my ($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'});
|
|
|
|
# ----------------------------------------------------------- Get announcements
|
|
my $announcements=&Apache::lonnet::getannounce();
|
|
# -------------------------------------------------------- Set login parameters
|
|
|
|
my @hexstr=('0','1','2','3','4','5','6','7',
|
|
'8','9','a','b','c','d','e','f');
|
|
my $lkey='';
|
|
for (0..7) {
|
|
$lkey.=$hexstr[rand(15)];
|
|
}
|
|
|
|
my $ukey='';
|
|
for (0..7) {
|
|
$ukey.=$hexstr[rand(15)];
|
|
}
|
|
|
|
my $lextkey=hex($lkey);
|
|
if ($lextkey>2147483647) { $lextkey-=4294967296; }
|
|
|
|
my $uextkey=hex($ukey);
|
|
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'});
|
|
}
|
|
if ($env{'form.ltoken'}) {
|
|
my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
|
|
&Apache::lonnet::tmpdel($env{'form.ltoken'});
|
|
delete($env{'form.ltoken'});
|
|
if ($info{'linkprot'}) {
|
|
if (!$tokenextras) {
|
|
$tokenextras = '&&&';
|
|
}
|
|
$tokenextras .= '&linkprot='.&escape($info{'linkprot'});
|
|
}
|
|
} elsif ($env{'form.linkkey'}) {
|
|
if (!$tokenextras) {
|
|
$tokenextras = '&&&';
|
|
}
|
|
$tokenextras .= '&linkkey='.&escape($env{'form.linkkey'});
|
|
}
|
|
my $logtoken=Apache::lonnet::reply(
|
|
'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
|
|
$lonhost);
|
|
|
|
# -- If we cannot talk to ourselves, or hostID does not map to a hostname
|
|
# we are in serious trouble
|
|
|
|
if (($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 (@sparehosts,%spareservers);
|
|
my $sparesref = &Apache::lonnet::this_host_spares($defdom);
|
|
if (ref($sparesref) eq 'HASH') {
|
|
foreach my $key (keys(%{$sparesref})) {
|
|
if (ref($sparesref->{$key}) eq 'ARRAY') {
|
|
my @sorted = sort { &Apache::lonnet::hostname($a) cmp
|
|
&Apache::lonnet::hostname($b);
|
|
} @{$sparesref->{$key}};
|
|
if (@sorted) {
|
|
if ($key eq 'primary') {
|
|
unshift(@sparehosts,@sorted);
|
|
} elsif ($key eq 'default') {
|
|
push(@sparehosts,@sorted);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
foreach my $hostid (@sparehosts) {
|
|
next if ($hostid eq $lonhost);
|
|
my $hostname = &Apache::lonnet::hostname($hostid);
|
|
next if (($hostname eq '') || ($spareservers{$hostname}));
|
|
$spareservers{$hostname} = 1;
|
|
my $protocol = $Apache::lonnet::protocol{$hostid};
|
|
$protocol = 'http' if ($protocol ne 'https');
|
|
$spares.='<br /><span style="font-size: larger;"><a href="'.$protocol.'://'.
|
|
$hostname.
|
|
'/adm/login?domain='.$authdomain.'">'.
|
|
$hostname.'</a>'.
|
|
' '.&mt('(preferred)').'</span>'.$/;
|
|
}
|
|
if ($spares) {
|
|
$spares.= '<br />';
|
|
}
|
|
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);
|
|
my $hostname = &Apache::lonnet::hostname($hostid);
|
|
next if (($hostname eq '') || ($spareservers{$hostname}));
|
|
$spareservers{$hostname} = 1;
|
|
my $protocol = $Apache::lonnet::protocol{$hostid};
|
|
$protocol = 'http' if ($protocol ne 'https');
|
|
$spares.='<br /><a href="'.$protocol.'://'.
|
|
$hostname.
|
|
'/adm/login?domain='.$authdomain.'">'.
|
|
$hostname.'</a>';
|
|
}
|
|
$r->print(
|
|
'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
|
|
.'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">'
|
|
.'<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>'
|
|
.&mt('The LearningOnline Network with CAPA')
|
|
.'</title></head>'
|
|
.'<body bgcolor="#FFFFFF">'
|
|
.'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
|
|
.'<img src="/adm/lonKaputt/lonlogo_broken.gif" alt="broken icon" align="right" />'
|
|
.'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>');
|
|
if ($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;
|
|
|
|
# ----------------------------------------------------------- Front page design
|
|
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 $js = (<<ENDSCRIPT);
|
|
|
|
<script type="text/javascript" language="JavaScript">
|
|
// <![CDATA[
|
|
function send()
|
|
{
|
|
this.document.server.elements.uname.value
|
|
=this.document.client.elements.uname.value;
|
|
|
|
this.document.server.elements.udom.value
|
|
=this.document.client.elements.udom.value;
|
|
|
|
uextkey=this.document.client.elements.uextkey.value;
|
|
lextkey=this.document.client.elements.lextkey.value;
|
|
initkeys();
|
|
|
|
if(this.document.server.action.substr(0,5) === 'http:'){
|
|
this.document.server.elements.upass0.value
|
|
=getCrypted(this.document.client.elements.upass$now.value);
|
|
} else {
|
|
this.document.server.elements.upass0.value
|
|
=this.document.client.elements.upass$now.value;
|
|
}
|
|
|
|
this.document.client.elements.uname.value='';
|
|
this.document.client.elements.upass$now.value='';
|
|
|
|
this.document.server.submit();
|
|
return false;
|
|
}
|
|
|
|
function enableInput() {
|
|
this.document.client.elements.upass$now.removeAttribute("readOnly");
|
|
this.document.client.elements.uname.removeAttribute("readOnly");
|
|
this.document.client.elements.udom.removeAttribute("readOnly");
|
|
return;
|
|
}
|
|
|
|
// ]]>
|
|
</script>
|
|
|
|
ENDSCRIPT
|
|
|
|
my ($lonhost_in_use,@hosts,%defaultdomconf,$saml_prefix,$saml_landing,
|
|
$samlssotext,$samlnonsso,$samlssoimg,$samlssoalt,$samlssourl,$samltooltip);
|
|
%defaultdomconf = &Apache::loncommon::get_domainconf($defdom);
|
|
@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;
|
|
}
|
|
}
|
|
}
|
|
$saml_prefix = $defdom.'.login.saml_';
|
|
if ($defaultdomconf{$saml_prefix.$lonhost_in_use}) {
|
|
$saml_landing = 1;
|
|
$samlssotext = $defaultdomconf{$saml_prefix.'text_'.$lonhost_in_use};
|
|
$samlnonsso = $defaultdomconf{$saml_prefix.'notsso_'.$lonhost_in_use};
|
|
$samlssoimg = $defaultdomconf{$saml_prefix.'img_'.$lonhost_in_use};
|
|
$samlssoalt = $defaultdomconf{$saml_prefix.'alt_'.$lonhost_in_use};
|
|
$samlssourl = $defaultdomconf{$saml_prefix.'url_'.$lonhost_in_use};
|
|
$samltooltip = $defaultdomconf{$saml_prefix.'title_'.$lonhost_in_use};
|
|
}
|
|
if ($saml_landing) {
|
|
if ($samlssotext eq '') {
|
|
$samlssotext = 'SSO Login';
|
|
}
|
|
if ($samlnonsso eq '') {
|
|
$samlnonsso = 'Non-SSO Login';
|
|
}
|
|
$js .= <<"ENDSAMLJS";
|
|
|
|
<script type="text/javascript">
|
|
// <![CDATA[
|
|
function toggleLClogin() {
|
|
if (document.getElementById('LC_standard_login')) {
|
|
if (document.getElementById('LC_standard_login').style.display == 'none') {
|
|
document.getElementById('LC_standard_login').style.display = 'inline-block';
|
|
if (document.getElementById('LC_login_text')) {
|
|
document.getElementById('LC_login_text').innerHTML = '$samlnonsso';
|
|
}
|
|
if (document.getElementById('LC_SSO_login')) {
|
|
document.getElementById('LC_SSO_login').style.display = 'none';
|
|
}
|
|
} else {
|
|
document.getElementById('LC_standard_login').style.display = 'none';
|
|
if (document.getElementById('LC_login_text')) {
|
|
document.getElementById('LC_login_text').innerHTML = '$samlssotext';
|
|
}
|
|
if (document.getElementById('LC_SSO_login')) {
|
|
document.getElementById('LC_SSO_login').style.display = 'inline-block';
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
// ]]>
|
|
</script>
|
|
|
|
ENDSAMLJS
|
|
}
|
|
|
|
# --------------------------------------------------- Print login screen header
|
|
|
|
my %add_entries = (
|
|
bgcolor => "$mainbg",
|
|
text => "$font",
|
|
link => "$link",
|
|
vlink => "$vlink",
|
|
alink => "$alink",
|
|
onload => 'javascript:enableInput();',);
|
|
|
|
my ($headextra,$headextra_exempt);
|
|
$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 $ip = &Apache::lonnet::get_requestor_ip();
|
|
if (grep(/^\Q$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,
|
|
{ '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',
|
|
'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' => 'Change?',
|
|
);
|
|
# -------------------------------------------------- Change password field name
|
|
|
|
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>);
|
|
}
|
|
# ---------------------------------------------------------- Serve rest of page
|
|
|
|
$r->print(
|
|
'<div class="LC_Box"'
|
|
.' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
|
|
);
|
|
|
|
$r->print(<<ENDSERVERFORM);
|
|
<form name="server" action="/adm/authenticate" method="post" target="_top">
|
|
<input type="hidden" name="logtoken" value="$logtoken" />
|
|
<input type="hidden" name="serverid" value="$lonhost" />
|
|
<input type="hidden" name="uname" value="" />
|
|
<input type="hidden" name="upass0" value="" />
|
|
<input type="hidden" name="udom" value="" />
|
|
<input type="hidden" name="localpath" value="$env{'form.localpath'}" />
|
|
<input type="hidden" name="localres" value="$env{'form.localres'}" />
|
|
</form>
|
|
ENDSERVERFORM
|
|
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 $loginform=(<<LFORM);
|
|
<form name="client" action="" onsubmit="return(send())" id="lclogin">
|
|
<input type="hidden" name="lextkey" value="$lextkey" />
|
|
<input type="hidden" name="uextkey" value="$uextkey" />
|
|
<b><label for="uname">$lt{'un'}</label>:</b><br />
|
|
<input type="text" name="uname" 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" id="upass$now" size="15" readonly="readonly" /><br />
|
|
<b><label for="udom">$lt{'dom'}</label>:</b><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 ($showbanner) {
|
|
$r->print(<<HEADER);
|
|
<!-- The LON-CAPA Header -->
|
|
<div style="background:$pgbg;margin:0;width:100%;">
|
|
<img src="$img" border="0" alt="The Learning Online Network with CAPA" class="LC_maxwidth" />
|
|
</div>
|
|
HEADER
|
|
}
|
|
|
|
my $stdauthformstyle = 'inline-block';
|
|
my $ssoauthstyle = 'none';
|
|
my $logintype;
|
|
$r->print('<div style="float:left;margin-top:0;">');
|
|
if ($saml_landing) {
|
|
$ssoauthstyle = 'inline-block';
|
|
$stdauthformstyle = 'none';
|
|
$logintype = $samlssotext;
|
|
my $ssologin = '/adm/sso';
|
|
if ($samlssourl ne '') {
|
|
$ssologin = $samlssourl;
|
|
}
|
|
if ($env{'form.firsturl'} ne '') {
|
|
$ssologin .= (($ssologin=~/\?/)?'&':'?') .
|
|
'origurl='.&HTML::Entities::encode($env{'form.firsturl'},'\'<>&"');
|
|
}
|
|
my $ssohref;
|
|
if ($samlssoimg ne '') {
|
|
$ssohref = '<a href="'.$ssologin.'" title="'.$samltooltip.'"><img src="'.$samlssoimg.'" alt="'.$samlssoalt.'" /></a>';
|
|
} else {
|
|
$ssohref = '<a href="'.$ssologin.'">'.$samlssotext.'</a>';
|
|
}
|
|
if (($env{'form.saml'} eq 'no') ||
|
|
(($env{'form.username'} ne '') && ($env{'form.domain'} ne ''))) {
|
|
$ssoauthstyle = 'none';
|
|
$stdauthformstyle = 'inline-block';
|
|
$logintype = $samlnonsso;
|
|
}
|
|
$r->print(<<ENDSAML);
|
|
<p>
|
|
Log-in type:
|
|
<span style="font-weight:bold" id="LC_login_text">$logintype</span><br />
|
|
<span><a href="javascript:toggleLClogin();" style="color:#000000">$lt{'change'}</a></span>
|
|
</p>
|
|
<div style="display:$ssoauthstyle" id="LC_SSO_login">
|
|
<div class="LC_Box" style="padding-top: 10px;">
|
|
$ssohref
|
|
$noscript_warning
|
|
</div>
|
|
<div class="LC_Box" style="padding-top: 10px;">
|
|
$loginhelp
|
|
$contactblock
|
|
$coursecatalog
|
|
</div>
|
|
</div>
|
|
ENDSAML
|
|
}
|
|
|
|
$r->print(<<ENDLOGIN);
|
|
<div style="display:$stdauthformstyle;" id="LC_standard_login">
|
|
<div class="LC_Box" style="background:$loginbox_bg;">
|
|
$logintitle
|
|
$loginform
|
|
$noscript_warning
|
|
</div>
|
|
|
|
<div class="LC_Box" style="padding-top: 10px;">
|
|
$loginhelp
|
|
$forgotpw
|
|
$contactblock
|
|
$newuserlink
|
|
$coursecatalog
|
|
</div>
|
|
</div>
|
|
|
|
ENDLOGIN
|
|
$r->print('</div><div>'."\n");
|
|
if ($showmainlogo) {
|
|
$r->print(' <img src="'.$logo.'" alt="" class="LC_maxwidth" />'."\n");
|
|
}
|
|
$r->print(<<ENDTOP);
|
|
$announcements
|
|
</div>
|
|
<hr style="clear:both;" />
|
|
ENDTOP
|
|
my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow);
|
|
$domainrow = <<"END";
|
|
<tr>
|
|
<td align="left" valign="top">
|
|
<small><b>$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>
|
|
</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>
|
|
</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>
|
|
</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,$lonhost,$lonidsdir,$balcookie,$linkprot) = @_;
|
|
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,$path,$linkprot);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
sub redirect_page {
|
|
my ($desthost,$path,$linkprot) = @_;
|
|
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.$path;
|
|
if ($env{'form.firsturl'} ne '') {
|
|
$url .='?firsturl='.&HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');;
|
|
}
|
|
if ($linkprot) {
|
|
my $ltoken = &Apache::lonnet::tmpput({linkprot => $linkprot},$desthost);
|
|
if ($ltoken) {
|
|
$url .= (($url =~ /\?/) ? '&' : '?').'ltoken='.$ltoken;
|
|
}
|
|
}
|
|
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,$showadminmail,$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 .= $$lt{'servadm'}.':<br />'.
|
|
'<tt>'.$servadm.'</tt><br />';
|
|
}
|
|
if ($showhelpdesk) {
|
|
$contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
|
|
my $thisurl = &escape('/adm/login');
|
|
$$helpdeskscript = <<"ENDSCRIPT";
|
|
<script type="text/javascript">
|
|
// <![CDATA[
|
|
function helpdesk() {
|
|
var possdom = document.client.udom.value;
|
|
var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),'');
|
|
if (codedom == '') {
|
|
codedom = "$authdomain";
|
|
}
|
|
var querystr = "origurl=$thisurl&codedom="+codedom;
|
|
document.location.href = "/adm/helpdesk?"+querystr;
|
|
return;
|
|
}
|
|
// ]]>
|
|
</script>
|
|
ENDSCRIPT
|
|
}
|
|
return $contactblock;
|
|
}
|
|
|
|
sub forgotpwdisplay {
|
|
my (%lt) = @_;
|
|
my $prompt_for_resetpw = 1;
|
|
if ($prompt_for_resetpw) {
|
|
return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
|
|
}
|
|
return;
|
|
}
|
|
|
|
sub coursecatalog_link {
|
|
my ($linkname) = @_;
|
|
return <<"END";
|
|
<a href="/adm/coursecatalog">$linkname</a>
|
|
END
|
|
}
|
|
|
|
sub newuser_link {
|
|
my ($linkname) = @_;
|
|
return '<a href="/adm/createaccount">'.$linkname.'</a>';
|
|
}
|
|
|
|
1;
|
|
__END__
|