version 1.7, 2000/07/01 14:00:51
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version 1.44, 2003/08/05 12:52:23
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# The LearningOnline Network |
# The LearningOnline Network |
# Login Screen |
# Login Screen |
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# |
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# $Id$ |
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# |
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# 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). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (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, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# 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 |
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# along with LON-CAPA; if not, write to the Free Software |
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# 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 |
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# |
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# http://www.lon-capa.org/ |
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# |
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, |
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, |
# 1/14/00,5/29,5/30,6/1,6/29,7/1 Gerd Kortemeyer |
# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9, |
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# 1/17/01 Gerd Kortemeyer |
# |
# |
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# 2/7/02,2/8,2/12,2/14,2/15,2/19 Josh Brunskole |
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# |
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# 7/10/02 Jeremy Bowers |
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package Apache::lonlogin; |
package Apache::lonlogin; |
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use strict; |
use strict; |
use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::File (); |
use Apache::File (); |
use Apache::lonnet(); |
use Apache::lonnet(); |
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use Apache::loncommon(); |
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sub handler { |
sub handler { |
my $r = shift; |
my $r = shift; |
$r->content_type('text/html'); |
$r->content_type('text/html'); |
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&Apache::loncommon::no_cache($r); |
$r->send_http_header; |
$r->send_http_header; |
return OK if $r->header_only; |
return OK if $r->header_only; |
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my $iconpath= $r->dir_config('lonIconsURL'); |
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&Apache::loncommon::get_unprocessed_cgi |
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($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'}, |
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['interface','username','domain','firsturl','localpath','localres']); |
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# ----------------------------------------------------------- Process Interface |
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$ENV{'form.interface'}=~s/\W//g; |
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my $textbrowsers=$r->dir_config('lonTextBrowsers'); |
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my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; |
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foreach (split(/\:/,$textbrowsers)) { |
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if ($httpbrowser=~/$_/i) { |
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$ENV{'form.interface'}='textual'; |
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} |
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} |
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my $fullgraph=($ENV{'form.interface'} ne 'textual'); |
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my $port_to_use=$r->dir_config('lonhttpdPort'); |
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if (!defined($port_to_use)) { |
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$port_to_use='8080'; |
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} |
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my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use. |
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$r->dir_config('lonIconsURL'); |
my $domain = $r->dir_config('lonDefDomain'); |
my $domain = $r->dir_config('lonDefDomain'); |
my $role = $r->dir_config('lonRole'); |
my $role = $r->dir_config('lonRole'); |
my $loadlim = $r->dir_config('lonLoadLim'); |
my $loadlim = $r->dir_config('lonLoadLim'); |
Line 25 sub handler {
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Line 80 sub handler {
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my $lonhost = $r->dir_config('lonHostID'); |
my $lonhost = $r->dir_config('lonHostID'); |
my $tabdir = $r->dir_config('lonTabDir'); |
my $tabdir = $r->dir_config('lonTabDir'); |
my $include = $r->dir_config('lonIncludes'); |
my $include = $r->dir_config('lonIncludes'); |
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my $expire = $r->dir_config('lonExpire'); |
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my $version = $r->dir_config('lonVersion'); |
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# --------------------------------------------- Default values for login fields |
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my $authusername=($ENV{'form.username'}?$ENV{'form.username'}:''); |
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my $authdomain=($ENV{'form.domain'}?$ENV{'form.domain'}:$domain); |
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# ---------------------------------------------------------- Determine own load |
my $loadavg; |
my $loadavg; |
{ |
{ |
my $loadfile=Apache::File->new('/proc/loadavg'); |
my $loadfile=Apache::File->new('/proc/loadavg'); |
$loadavg=<$loadfile>; |
$loadavg=<$loadfile>; |
} |
} |
$loadavg =~ s/\s.*//g; |
$loadavg =~ s/\s.*//g; |
my $loadpercent=100*$loadavg/$loadlim; |
my $loadpercent=100*$loadavg/$loadlim; |
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my $userloadpercent=&Apache::lonnet::userload(); |
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my $otherserver=''; |
# ------------------------------------------------------- Do the load balancing |
my $firsturl=$ENV{'request.firsturl'}; |
my $otherserver='http://'.$ENV{'SERVER_NAME'}; |
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my $firsturl= |
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($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.firsturl'}); |
# ---------------------------------------- Are we access server and overloaded? |
# ---------------------------------------- Are we access server and overloaded? |
if (($role eq 'access') && ($loadpercent>100.0)) { |
if (($role eq 'access') && |
$otherserver=Apache::lonnet::spareserver(); |
(($userloadpercent>100.0)||($loadpercent>100.0))) { |
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$otherserver=Apache::lonnet::spareserver($loadpercent,$userloadpercent); |
} |
} |
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# -------------------------------------------------------- Set login parameters |
# -------------------------------------------------------- Set login parameters |
Line 56 sub handler {
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Line 123 sub handler {
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} |
} |
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my $lextkey=hex($lkey); |
my $lextkey=hex($lkey); |
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if ($lextkey>2147483647) { $lextkey-=4294967296; } |
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my $uextkey=hex($ukey); |
my $uextkey=hex($ukey); |
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if ($uextkey>2147483647) { $uextkey-=4294967296; } |
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# -------------------------------------------------------- Store away log token |
my $logtoken=Apache::lonnet::reply( |
my $logtoken=Apache::lonnet::reply( |
'tmpput:'.$ukey.$lkey.'&'.$firsturl, |
'tmpput:'.$ukey.$lkey.'&'.$firsturl, |
$lonhost); |
$lonhost); |
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# ------------------- If we cannot talk to ourselves, we are in serious trouble |
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if ($logtoken eq 'con_lost') { |
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my $spares=''; |
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foreach (keys %Apache::lonnet::hostname) { |
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if ($_ ne $lonhost) { |
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$spares.='<br /><a href="http://'.$Apache::lonnet::hostname{$_}. |
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'/adm/login?domain='.$authdomain.'">'. |
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$Apache::lonnet::hostname{$_}.'</a>'; |
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if ($Apache::lonnet::spareid{$_}) { |
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$spares.=' (preferred)'; |
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} |
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} |
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} |
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$r->print(<<ENDTROUBLE); |
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<html> |
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<head><title>The LearningOnline Network with CAPA</title></head> |
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<body bgcolor="#FFFFFF"> |
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<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" /> |
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<h3>This LON-CAPA server is temporarily not available for login</h3> |
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<p>Please attempt to login to one of the following servers:</p>$spares |
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<p>If the problem persists, please contact <tt>$servadm</tt>.</p> |
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</body> |
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</html> |
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ENDTROUBLE |
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return OK; |
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} |
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# ----------------------------------------------- Apparently we are in business |
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my $domainlogo=&Apache::loncommon::domainlogo(); |
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$servadm=~s/\,/\<br \/\>/g; |
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$sysadm=~s/\,/\<br \/\>/g; |
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# --------------------------------------------------- Print login screen header |
# --------------------------------------------------- Print login screen header |
$r->print(<<ENDHEADER); |
$r->print(<<ENDHEADER); |
<html> |
<html> |
<head> |
<head> |
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<meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" /> |
<title>The LearningOnline Network with CAPA Login</title> |
<title>The LearningOnline Network with CAPA Login</title> |
</head> |
</head> |
ENDHEADER |
ENDHEADER |
Line 73 ENDHEADER
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Line 180 ENDHEADER
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my $jsh=Apache::File->new($include."/londes.js"); |
my $jsh=Apache::File->new($include."/londes.js"); |
$r->print(<$jsh>); |
$r->print(<$jsh>); |
} |
} |
# ---------------------------------------------------------- Serve rest of page |
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$r->print(<<ENDDOCUMENT); |
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<body bgcolor="#FFFFFF" onLoad="init();"> |
# ----------------------------------------------------------- Front page design |
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my $pgbg= |
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($fullgraph?&Apache::loncommon::designparm('login.pgbg'):'#FFFFFF'); |
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my $font= |
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($fullgraph?&Apache::loncommon::designparm('login.font'):'#000000'); |
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my $link= |
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($fullgraph?&Apache::loncommon::designparm('login.link'):'#0000FF'); |
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my $vlink= |
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($fullgraph?&Apache::loncommon::designparm('login.vlink'):'#0000FF'); |
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my $alink=&Apache::loncommon::designparm('login.alink'); |
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my $mainbg= |
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($fullgraph?&Apache::loncommon::designparm('login.mainbg'):'#FFFFFF'); |
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my $sidebg= |
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($fullgraph?&Apache::loncommon::designparm('login.sidebg'):'#FFFFFF'); |
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my $logo=&Apache::loncommon::designparm('login.logo'); |
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my $img=&Apache::loncommon::designparm('login.img'); |
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<script language="JavaScript"> |
# ---------------------------------------------------------- Serve rest of page |
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$r->print(<<ENDSCRIPT); |
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<body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink" |
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topmargin=0 leftmargin=0 marginwidth=0 marginheight=0> |
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function send() { |
<script language="JavaScript"> |
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function send() |
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{ |
this.document.server.elements.uname.value |
this.document.server.elements.uname.value |
=this.document.client.elements.uname.value; |
=this.document.client.elements.uname.value; |
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this.document.server.elements.udom.value |
this.document.server.elements.udom.value |
=this.document.client.elements.udom.value; |
=this.document.client.elements.udom.value; |
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this.document.server.elements.imagesuppress.value |
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=this.document.client.elements.imagesuppress.checked; |
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this.document.server.elements.embedsuppress.value |
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=this.document.client.elements.embedsuppress.checked; |
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this.document.server.elements.appletsuppress.value |
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=this.document.client.elements.appletsuppress.checked; |
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this.document.server.elements.fontenhance.value |
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=this.document.client.elements.fontenhance.checked; |
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this.document.server.elements.blackwhite.value |
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=this.document.client.elements.blackwhite.checked; |
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this.document.server.elements.remember.value |
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=this.document.client.elements.remember.checked; |
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uextkey=this.document.client.elements.uextkey.value; |
uextkey=this.document.client.elements.uextkey.value; |
lextkey=this.document.client.elements.lextkey.value; |
lextkey=this.document.client.elements.lextkey.value; |
initkeys(); |
initkeys(); |
Line 95 ENDHEADER
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Line 240 ENDHEADER
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=crypted(this.document.client.elements.upass.value); |
=crypted(this.document.client.elements.upass.value); |
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this.document.server.submit(); |
this.document.server.submit(); |
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return false; |
} |
} |
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</script> |
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ENDSCRIPT |
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</script> |
if ($fullgraph) { |
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$r->print( |
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'<table width="100%" cellpadding=0 cellspacing=0 border=0>'); |
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} |
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$r->print(<<ENDSERVERFORM); |
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<form name="server" action="$otherserver/adm/authenticate" method="post" target="_top"> |
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<input type="hidden" name="logtoken" value="$logtoken" /> |
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<input type="hidden" name="serverid" value="$lonhost" /> |
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<input type="hidden" name="interface" value="$ENV{'form.interface'}" /> |
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<input type="hidden" name="uname" value="" /> |
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<input type="hidden" name="upass" value="" /> |
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<input type="hidden" name="udom" value="" /> |
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<input type="hidden" name="imagesuppress" value="" /> |
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<input type="hidden" name="appletsuppress" value="" /> |
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<input type="hidden" name="embedsuppress" value="" /> |
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<input type="hidden" name="fontenhance" value="" /> |
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<input type="hidden" name="blackwhite" value="" /> |
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<input type="hidden" name="remember" value="" /> |
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<input type="hidden" name="localpath" value="$ENV{'form.localpath'}" /> |
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<input type="hidden" name="localres" value="$ENV{'form.localres'}" /> |
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</form> |
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ENDSERVERFORM |
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if ($fullgraph) { $r->print(<<ENDTOP); |
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<!-- The LON-CAPA Header --> |
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<tr> |
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<!-- Row 1 Columns 2-4 --> |
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<td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td> |
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</tr> |
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<!-- The gray bar that starts the two table frames --> |
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<tr> |
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<!-- Row 2 Column 1 --> |
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<td width=182 height=27 bgcolor="$sidebg"> </td> |
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<!-- Row 2 Column 2 --> |
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<td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td> |
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<!-- Row 2 Column 3 --> |
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<td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td> |
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<!-- Row 2 Column 4 --> |
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<td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td> |
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</tr> |
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<tr> |
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<!-- A cell that will hold the 'access' and 'about' buttons --> |
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<!-- Row 3 Column 1 --> |
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<td valign="top" height=60 align="center" bgcolor="$sidebg"> |
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<a href="/adm/login?interface=textual"><img src="$iconpath/accessbutton.gif" border=0 alt="Accessibility Options" /></a> |
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<br /> |
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<a href="/adm/about.html"><img src="$iconpath/aboutlon.gif" border=0 alt="About LON-CAPA" /></a> |
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</td> |
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<!-- The shaded space between the two main columns --> |
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<!-- Row 3 Column 2 --> |
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<td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> |
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<!-- The right main column holding the large LON-CAPA logo--> |
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<!-- Rows 3-4 Column 3 --> |
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<td align="center" valign="top" width="100%" height="100%" rowspan=2 bgcolor="$mainbg"> |
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<center> |
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<img src="$logo" alt="" /> |
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</center> |
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</td> |
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<!-- Row 3 Column 4 --> |
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<td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> |
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</tr> |
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<tr> |
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<!-- The entry form --> |
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<!-- Row 4 Column 1 --> |
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<td align="center" valign="middle" bgcolor="$sidebg"> |
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ENDTOP |
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} else { |
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$r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'); |
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} |
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$r->print('<form name="client" onsubmit="return(send())">'); |
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unless ($fullgraph) { |
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$r->print(<<ENDACCESSOPTIONS); |
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<h3>Select Accessibility Options</h3> |
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<input type="checkbox" name="imagesuppress" /> Suppress rendering of images<br /> |
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<input type="checkbox" name="appletsuppress" /> Suppress Java applets<br /> |
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<input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia<br /> |
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<input type="checkbox" name="fontenhance" /> Increase font size<br /> |
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<input type="checkbox" name="blackwhite" /> Switch to black and white mode<br /> |
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<p>If you have accessibility needs that are not addressed by this interface, |
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please |
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contact the system administrator at <tt>$sysadm</tt>.</p><br /> |
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<input type="checkbox" name="remember" /> Remember these settings for next login<hr /> |
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ENDACCESSOPTIONS |
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} else { |
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$r->print(<<ENDNOOPT); |
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<input type="hidden" name="imagesuppress" value="" /> |
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<input type="hidden" name="embedsuppress" value="" /> |
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<input type="hidden" name="appletsuppress" value="" /> |
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<input type="hidden" name="fontenhance" value="" /> |
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<input type="hidden" name="blackwhite" value="" /> |
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<input type="hidden" name="remember" value="" /> |
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ENDNOOPT |
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} |
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$r->print(<<ENDLOGIN); |
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<input type="hidden" name="lextkey" value="$lextkey"> |
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<input type="hidden" name="uextkey" value="$uextkey"> |
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<!-- Start the sub-table for text and input alignment --> |
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<table border=0 cellspacing=0 cellpadding=0> |
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<tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/userauthentication.gif" alt="User Authentication" /></td></tr> |
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<tr> |
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<td bgcolor="$mainbg"><br /><font size=-1><b> User Name:</b></font></td> |
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<td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td> |
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</tr> |
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<tr> |
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<td bgcolor="$mainbg"><font size=-1><b> Password:</b></font></td> |
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<td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td> |
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</tr> |
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<tr> |
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<td bgcolor="$mainbg"><font size=-1><b> Domain:</b></font></td> |
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<td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td> |
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</tr> |
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<tr> |
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<td bgcolor="$mainbg"> <a href="/adm/loginproblems.html">Help</a></td> |
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<td bgcolor="$mainbg" valign="bottom" align="center"> |
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<br /> |
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<input type="submit" value="Log In" /> |
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</td> |
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</tr> |
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</table> |
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<!-- End sub-table --> |
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</form> |
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ENDLOGIN |
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if ($fullgraph) { |
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$r->print(<<ENDDOCUMENT); |
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</td> |
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<!-- Row 4 Column 2 --> |
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<td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> |
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<!-- Row 4 Column 4 --> |
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<td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> |
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</tr> |
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<tr> |
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<!-- Row 5 Column 1 --> |
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<td bgcolor="$sidebg" valign="middle" align="left"> |
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<br /> |
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<table border=0 cellspacing=0 cellpadding=0> |
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<tr> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><b> Domain: </b></small> |
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</td> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><tt> $domain</tt></small> |
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</td> |
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</tr> |
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<tr> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><b> Server: </b></small> |
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</td> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><tt> $lonhost ($role)</tt></small> |
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</td> |
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</tr> |
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<tr> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><b> Load: </b></small> |
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</td> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><tt> $loadpercent percent</tt></small> |
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</td> |
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</tr> |
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<tr> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><b> User Load: </b></small> |
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</td> |
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<td bgcolor="$sidebg" align="left" valign="top"> |
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<small><tt> $userloadpercent percent</tt></small> |
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</td> |
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</tr> |
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</table> |
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<br /> |
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<small> |
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<b> System Administration:</b><br /> |
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<tt> $sysadm</tt><br /> |
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<b> Server Administration:</b><br /> |
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<tt> $servadm</tt><br /> <br /> |
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$version |
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</small> |
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</td> |
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<!-- Row 5 Column 2 --> |
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<td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td> |
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<!-- Row 5 Column 3 --> |
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<td width="100%" valign="bottom" bgcolor="$mainbg"> |
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$domainlogo |
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</td> |
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<table width=600> |
<!-- Row 5 Column 4 --> |
<tr><td><img src="$iconpath/lonlogo.gif"></td> |
<td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td> |
<td bgcolor="#DDDDDD"> |
</tr> |
<font size=+1><b>User Authentication</b></font><p> |
<tr> |
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<form name="server" action="$otherserver/adm/authenticate" |
<!-- Row 6 Column 1 --> |
method="post" target="_top"> |
<td bgcolor="$sidebg"> </td> |
<input type=hidden name=logtoken value="$logtoken"> |
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<input type=hidden name=serverid value="$lonhost"> |
<!-- Row 6 Column 2 --> |
<input type=hidden name=uname value=""> |
<td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td> |
<input type=hidden name=upass value=""> |
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<input type=hidden name=udom value=""> |
<!-- Row 6 Column 3 --> |
</form> |
<td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td> |
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<form name="client"> |
<!-- Row 6 Column 4 --> |
<table border=2 bgcolor="#BBBBBB"> |
<td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td> |
<tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr> |
</tr> |
<tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr> |
|
<tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td> |
|
</tr> |
|
<tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr> |
|
</table> |
</table> |
<input type=hidden name=lextkey value="$lextkey"> |
|
<input type=hidden name=uextkey value="$uextkey"> |
|
</form> |
|
|
|
</td> |
<script> |
</tr><tr><td bgcolor="#DDDDDD"> |
// the if prevents the script error if the browser can't handle this |
<table border=1 bgcolor="#BBBBBB"> |
if ( document.client.uname ) { document.client.uname.focus(); } |
<tr><td><font size="-1"><b>Domain:</b></font></td> |
</script> |
<td><font size="-1"><tt>$domain</tt></font></td> |
|
<td rowspan=3><font size="-1"><b>LON System Administration:</b><br> |
|
<tt>$sysadm</tt><br> |
|
<b>Server Administration:</b><br> |
|
<tt>$servadm</tt></font></td></tr> |
|
<tr><td><font size="-1"><b>Server:</b></font></td> |
|
<td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr> |
|
<tr><td><font size="-1"><b>Load:</b></font></td> |
|
<td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr> |
|
</table> |
|
</td><td> |
|
<table align=right><tr><td><font size="+1"> |
|
<b>L</b>aboratory for<br> |
|
<b>I</b>nstructional<br> |
|
<b>T</b>echnology in<br> |
|
<b>E</b>ducation</td><td> |
|
<img src="$iconpath/liteani.gif"></font></td></tr></table></td></tr></table> |
|
</body> |
|
</html> |
|
ENDDOCUMENT |
ENDDOCUMENT |
|
} |
|
$r->print('</body></html>'); |
return OK; |
return OK; |
} |
} |
|
|