version 1.57, 2003/09/20 17:44:22
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version 1.163, 2021/05/04 18:47:37
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# The LearningOnline Network |
# The LearningOnline Network
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# User Authentication Module |
# User Authentication Module
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# |
#
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# $Id$ |
# $Id$
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# |
#
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# 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).
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# |
#
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# LON-CAPA is free software; you can redistribute it and/or modify |
# 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 |
# 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 |
# the Free Software Foundation; either version 2 of the License, or
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# (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
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# along with LON-CAPA; if not, write to the Free Software |
# 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 |
# 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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# 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15 |
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# 16/11,12/16, |
package Apache::lonauth;
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# 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29, |
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# 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10, |
use strict;
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# 05/28,05/29 Gerd Kortemeyer |
use LONCAPA qw(:DEFAULT :match);
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# 07/28,08/03 Gerd Kortemeyer |
use Apache::Constants qw(:common);
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# 8/20 Gerd Kortemeyer |
use CGI qw(:standard);
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use Apache::loncommon();
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package Apache::lonauth; |
use Apache::lonnet;
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use Apache::lonmenu();
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use strict; |
use Apache::createaccount;
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use Apache::Constants qw(:common); |
use Apache::ltiauth;
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use Apache::File; |
use Fcntl qw(:flock);
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use CGI qw(:standard); |
use Apache::lonlocal;
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use CGI::Cookie(); |
use Apache::File();
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use DynaLoader; # for Crypt::DES version |
use HTML::Entities;
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use Crypt::DES; |
use Digest::MD5;
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use Apache::loncommon(); |
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use Apache::lonnet(); |
# ------------------------------------------------------------ Successful login
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use Apache::lonmenu(); |
sub success {
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use Fcntl qw(:flock); |
my ($r, $username, $domain, $authhost, $lowerurl, $extra_env,
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use Apache::lonlocal; |
$form,$skipcritical,$cid) = @_;
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|
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my %FORM; |
# ------------------------------------------------------------ Get cookie ready
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my $cookie =
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# ------------------------------------------------------------ Successful login |
&Apache::loncommon::init_user_environment($r, $username, $domain,
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$authhost, $form,
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sub success { |
{'extra_env' => $extra_env,});
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my ($r, $username, $domain, $authhost,$lowerurl) = @_; |
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my $lonids=$r->dir_config('lonIDsDir'); |
my $public=($username eq 'public' && $domain eq 'public');
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|
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# See if old ID present, if so, remove |
if ($public or $lowerurl eq 'noredirect') { return $cookie; }
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|
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my $filename; |
# -------------------------------------------------------------------- Log this
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opendir(DIR,$lonids); |
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while ($filename=readdir(DIR)) { |
my $ip = &Apache::lonnet::get_requestor_ip();
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if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { |
&Apache::lonnet::log($domain,$username,$authhost,
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unlink($lonids.'/'.$filename); |
"Login $ip");
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} |
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} |
# ------------------------------------------------- Check for critical messages
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closedir(DIR); |
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unless ($skipcritical) {
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# Give them a new cookie |
my @what=&Apache::lonnet::dump('critical',$domain,$username);
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if ($what[0]) {
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my $cookie; |
if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
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my $now=time; |
$lowerurl='/adm/email?critical=display';
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$cookie="$username\_$now\_$domain\_$authhost"; |
}
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}
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# Initialize roles |
}
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my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost); |
# ----------------------------------------------------------- Get cookies ready
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my ($securecookie,$defaultcookie);
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# ------------------------------------ Check browser type and MathML capability |
my $ssl = $r->subprocess_env('https');
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if ($ssl) {
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my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, |
$securecookie="lonSID=$cookie; path=/; HttpOnly; secure";
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$clientunicode,$clientos) = &Apache::loncommon::decode_user_agent($r); |
my $lonidsdir=$r->dir_config('lonIDsDir');
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if (($lonidsdir) && (-e "$lonidsdir/$cookie.id")) {
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# -------------------------------------- Any accessibility options to remember? |
my $linkname=substr(Digest::MD5::md5_hex(Digest::MD5::md5_hex(time(). {}. rand(). $$)), 0, 32).'_linked';
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if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) { |
if (-e "$lonidsdir/$linkname.id") {
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foreach ('imagesuppress','appletsuppress', |
unlink("$lonidsdir/$linkname.id");
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'embedsuppress','fontenhance','blackwhite') { |
}
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if ($FORM{$_} eq 'true') { |
my $made_symlink = eval { symlink("$lonidsdir/$cookie.id",
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&Apache::lonnet::put('environment',{$_ => 'on'}, |
"$lonidsdir/$linkname.id"); 1 };
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$domain,$username); |
if ($made_symlink) {
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} else { |
$defaultcookie = "lonLinkID=$linkname; path=/; HttpOnly;";
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&Apache::lonnet::del('environment',[$_],$domain,$username); |
&Apache::lonnet::appenv({'user.linkedenv' => $linkname});
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} |
}
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} |
}
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} |
} else {
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# ------------------------------------------------------------- Get environment |
$defaultcookie = "lonID=$cookie; path=/; HttpOnly;";
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}
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my $userenv; |
# -------------------------------------------------------- Menu script and info
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my %userenv=Apache::lonnet::dump('environment',$domain,$username); |
my $destination = $lowerurl;
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my ($tmp) = keys(%userenv); |
if ($env{'request.lti.login'}) {
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if ($tmp !~ /^(con_lost|error|no_such_host)/i) { |
if (($env{'request.lti.reqcrs'}) && ($env{'request.lti.reqrole'} eq 'cc')) {
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foreach my $key (keys(%userenv)) { |
&Apache::loncommon::content_type($r,'text/html');
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$userenv.="environment.$key=$userenv{$key}\n"; |
if ($securecookie) {
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} |
$r->headers_out->add('Set-cookie' => $securecookie);
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} |
}
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if (($userenv{'interface'}) && (!$FORM{'interface'})) { |
if ($defaultcookie) {
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$FORM{'interface'}=$userenv{'interface'}; |
$r->headers_out->add('Set-cookie' => $defaultcookie);
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} |
}
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$ENV{'environment.remote'}=$userenv{'remote'}; |
$r->send_http_header;
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# --------------- Do not trust query string to be put directly into environment |
if (ref($form) eq 'HASH') {
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foreach ('imagesuppress','appletsuppress', |
$form->{'lti.login'} = $env{'request.lti.login'};
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'embedsuppress','fontenhance','blackwhite', |
$form->{'lti.reqcrs'} = $env{'request.lti.reqcrs'};
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'interface','localpath','localres') { |
$form->{'lti.reqrole'} = $env{'request.lti.reqrole'};
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$FORM{$_}=~s/[\n\r\=]//gs; |
$form->{'lti.sourcecrs'} = $env{'request.lti.sourcecrs'};
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} |
}
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# --------------------------------------------------------- Write first profile |
&Apache::ltiauth::lti_reqcrs($r,$domain,$form,$username,$domain);
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return;
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{ |
}
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my $idf=Apache::File->new(">$lonids/$cookie.id"); |
if ($env{'request.lti.selfenrollrole'}) {
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unless (flock($idf,LOCK_EX)) { |
if (&Apache::ltiauth::lti_enroll($username,$domain,
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&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
$env{'request.lti.selfenrollrole'}) eq 'ok') {
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'Could not obtain exclusive lock in lonauth: '.$!); |
$form->{'role'} = $env{'request.lti.selfenrollrole'};
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$idf->close(); |
&Apache::lonnet::delenv('request.lti.selfenrollrole');
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return 'error: '.$!; |
} else {
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} |
&Apache::ltiauth::invalid_request($r,24);
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if ($userenv ne '') { print $idf "$userenv\n"; } |
}
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print $idf "user.name=$username\n"; |
}
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print $idf "user.domain=$domain\n"; |
}
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print $idf "user.home=$authhost\n"; |
if (defined($form->{role})) {
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print $idf "browser.type=$clientbrowser\n"; |
my $envkey = 'user.role.'.$form->{role};
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print $idf "browser.version=$clientversion\n"; |
my $now=time;
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print $idf "browser.mathml=$clientmathml\n"; |
my $then=$env{'user.login.time'};
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print $idf "browser.unicode=$clientunicode\n"; |
my $refresh=$env{'user.refresh.time'};
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print $idf "browser.os=$clientos\n"; |
my $update=$env{'user.update.time'};
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if ($FORM{'localpath'}) { |
if (!$update) {
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print $idf "browser.localpath=$FORM{'localpath'}\n"; |
$update = $then;
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print $idf "browser.localres=$FORM{'localres'}\n"; |
}
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} |
if (exists($env{$envkey})) {
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print $idf "request.course.fn=\n"; |
my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
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print $idf "request.course.uri=\n"; |
&Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
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print $idf "request.course.sec=\n"; |
\$trolecode,\$tstatus,\$tstart,\$tend);
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print $idf "request.role=cm\n"; |
if ($tstatus eq 'is') {
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print $idf "request.role.adv=$ENV{'user.adv'}\n"; |
$destination .= ($destination =~ /\?/) ? '&' : '?';
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print $idf "request.host=$ENV{'REMOTE_ADDR'}\n"; |
my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
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if ($FORM{'interface'}) { |
$destination .= 'selectrole=1&'.$newrole.'=1';
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$FORM{'interface'}=~s/\W//gs; |
}
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print $idf "browser.interface=$FORM{'interface'}\n"; |
}
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$ENV{'browser.interface'}=$FORM{'interface'}; |
}
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foreach ('imagesuppress','appletsuppress', |
if (defined($form->{symb})) {
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'embedsuppress','fontenhance','blackwhite') { |
my $destsymb = $form->{symb};
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if (($FORM{$_} eq 'true') || |
my $encrypted;
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($userenv{$_} eq 'on')) { |
if ($destsymb =~ m{^/enc/}) {
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print $idf "browser.$_=on\n"; |
$encrypted = 1;
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} |
if ($cid) {
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} |
$destsymb = &Apache::lonenc::unencrypted($destsymb,$cid);
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} |
}
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if ($userroles ne '') { print $idf "$userroles"; } |
}
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$idf->close(); |
$destination .= ($destination =~ /\?/) ? '&' : '?';
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} |
if ($destsymb =~ /___/) {
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$ENV{'request.role'}='cm'; |
my ($map,$resid,$desturl)=split(/___/,$destsymb);
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$ENV{'request.role.adv'}=$ENV{'user.adv'}; |
$desturl = &Apache::lonnet::clutter($desturl);
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$ENV{'browser.type'}=$clientbrowser; |
if ($encrypted) {
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# -------------------------------------------------------------------- Log this |
$desturl = &Apache::lonenc::encrypted($desturl,1,$cid);
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$destsymb = $form->{symb};
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&Apache::lonnet::log($domain,$username,$authhost, |
}
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"Login $ENV{'REMOTE_ADDR'}"); |
$desturl = &HTML::Entities::encode($desturl,'"<>&');
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$destsymb = &HTML::Entities::encode($destsymb,'"<>&');
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# ------------------------------------------------- Check for critical messages |
$destination .= 'destinationurl='.$desturl.
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'&destsymb='.$destsymb;
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my @what=&Apache::lonnet::dump('critical',$domain,$username); |
} elsif (!$encrypted) {
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if ($what[0]) { |
$destsymb = &HTML::Entities::encode($destsymb,'"<>&');
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if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { |
$destination .= 'destinationurl='.$destsymb;
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$lowerurl='/adm/email?critical=display'; |
}
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} |
}
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} |
if ($destination =~ m{^/adm/roles}) {
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$destination .= ($destination =~ /\?/) ? '&' : '?';
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# ------------------------------------------------------------ Get cookie ready |
$destination .= 'source=login';
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}
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$cookie="lonID=$cookie; path=/"; |
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# -------------------------------------------------------- Menu script and info |
my $windowname = 'loncapaclient';
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my $windowinfo=&Apache::lonmenu::open($clientos); |
if ($env{'request.lti.login'}) {
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my $startupremote=&Apache::lonmenu::startupremote($lowerurl); |
$windowname .= 'lti';
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my $setflags=&Apache::lonmenu::setflags(); |
}
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my $maincall=&Apache::lonmenu::maincall(); |
my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="'.$windowname.'";');
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my $bodytag=&Apache::loncommon::bodytag('Successful Login'); |
my $brcrum = [{'href' => '',
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# ------------------------------------------------- Output for successful login |
'text' => 'Successful Login'},];
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my $args = {'bread_crumbs' => $brcrum,};
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$r->send_cgi_header(<<ENDHEADER); |
unless ((defined($form->{role})) || (defined($form->{symb}))) {
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Content-type: text/html |
my $update=$env{'user.update.time'};
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Set-cookie: $cookie |
if (!$update) {
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$update = $env{'user.login.time'};
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ENDHEADER |
}
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$r->print(<<ENDSUCCESS); |
my %roles_in_env;
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<html> |
my $showcount = &Apache::lonroles::roles_from_env(\%roles_in_env,$update);
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<head> |
if ($showcount == 1) {
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<title>Successful Login to the LearningOnline Network with CAPA</title> |
foreach my $rolecode (keys(%roles_in_env)) {
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$startupremote |
my ($cid) = ($rolecode =~ m{^\Quser.role.st./\E($match_domain/$match_courseid)(?:/|$)});
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</head> |
if ($cid) {
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$bodytag |
my %coursedescription =
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$setflags |
&Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
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$windowinfo |
if ($coursedescription{'type'} eq 'Placement') {
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<h1>Welcome!</h1> |
$args->{'crstype'} = 'Placement';
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Welcome to the Learning<i>Online</i> Network with CAPA. |
}
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Please wait while your session |
last;
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is being set up.<p> |
}
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<a href="/adm/loginproblems.html">Problems?</a></p> |
}
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$maincall |
}
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</body> |
}
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</html> |
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ENDSUCCESS |
# ------------------------------------------------- Output for successful login
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} |
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&Apache::loncommon::content_type($r,'text/html');
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# --------------------------------------------------------------- Failed login! |
if ($securecookie) {
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$r->headers_out->add('Set-cookie' => $securecookie);
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sub failed { |
}
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my ($r,$message) = @_; |
if ($defaultcookie) {
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my $bodytag=&Apache::loncommon::bodytag('Unsuccessful Login'); |
$r->headers_out->add('Set-cookie' => $defaultcookie);
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$r->send_cgi_header(<<ENDFHEADER); |
}
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Content-type: text/html |
$r->send_http_header;
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ENDFHEADER |
my ($start_page,$js,$pagebody,$end_page);
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$r->print(<<ENDFAILED); |
if ($env{'request.lti.login'}) {
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<html> |
$args = {'only_body' => 1};
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<head> |
if ($env{'request.lti.target'} eq '') {
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<title>Unsuccessful Login to the LearningOnline Network with CAPA</title> |
my $ltitarget = (($destination =~ /\?/) ? '&' : '?').
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</head> |
'ltitarget=iframe';
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<html> |
$js = <<"ENDJS";
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$bodytag |
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<h1>Sorry ...</h1> |
<script type="text/javascript">
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<p><b>$message</b></p> |
// <![CDATA[
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<p>Please <a href="/adm/login?username=$FORM{'uname'}&domain=$FORM{'udom'}">log in again</a>.</p> |
function setLTItarget() {
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<p> |
var newloc = '$destination';
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<a href="/adm/loginproblems.html">Problems?</a></p> |
if (parent !== window) {
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</body> |
newloc += '$ltitarget';
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</html> |
}
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ENDFAILED |
window.location.href=newloc;
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} |
}
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// ]]>
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# ------------------------------------------------------------------ Rerouting! |
</script>
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|
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sub reroute { |
ENDJS
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my $r=shift; |
$args->{'add_entries'} = {'onload' => "javascript:setLTItarget();"};
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my $bodytag=&Apache::loncommon::bodytag('Rerouting'); |
$pagebody = '<noscript><span class="LC_warning">'
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$r->send_cgi_header(<<ENDRFHEADER); |
.&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
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Content-type: text/html |
.'</span></noscript>';
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} else {
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ENDRFHEADER |
$args->{'redirect'} = [0,$destination,1];
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$r->print(<<ENDRFAILED); |
}
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<html> |
$start_page=&Apache::loncommon::start_page('',$js,$args);
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<head> |
} else {
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<title>Rerouting Login to the LearningOnline Network with CAPA</title> |
$args->{'redirect'} = [0,$destination];
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</head> |
$start_page=&Apache::loncommon::start_page('Successful Login',
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<html> |
$js,$args);
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$bodytag |
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<h1>Sorry ...</h1> |
my %lt=&Apache::lonlocal::texthash(
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Please <a href="/">log in again</a>. |
'wel' => 'Welcome',
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</body> |
'pro' => 'Login problems?',
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</html> |
);
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ENDRFAILED |
$pagebody = "<h1>$lt{'wel'}</h1>\n".
|
} |
&mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','<i>','</i>');
|
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my $loginhelp = &loginhelpdisplay($domain);
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# ---------------------------------------------------------------- Main handler |
if ($loginhelp) {
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$pagebody .= '<p><a href="'.$loginhelp.'">'.$lt{'pro'}.'</a></p>';
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sub handler { |
}
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my $r = shift; |
}
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$end_page = &Apache::loncommon::end_page();
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# Are we re-routing? |
$r->print(<<ENDSUCCESS);
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if (-e '/home/httpd/html/lon-status/reroute.txt') { |
$start_page
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&reroute($r); |
$windowinfo
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return OK; |
$pagebody
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} |
$end_page
|
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ENDSUCCESS
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&Apache::lonlocal::get_language_handle($r); |
return;
|
|
}
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my $buffer; |
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$r->read($buffer,$r->header_in('Content-length'),0); |
# --------------------------------------------------------------- Failed login!
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my @pairs=split(/&/,$buffer); |
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my $pair; my $name; my $value; |
sub failed {
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undef %FORM; |
my ($r,$message,$form) = @_;
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%FORM=(); |
(undef,undef,undef,my $clientmathml,my $clientunicode) =
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foreach $pair (@pairs) { |
&Apache::loncommon::decode_user_agent();
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($name,$value) = split(/=/,$pair); |
my $args = {};
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$value =~ tr/+/ /; |
if ($clientunicode && !$clientmathml) {
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
$args = {'browser.unicode' => 1};
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$FORM{$name}=$value; |
}
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} |
|
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my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,$args);
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if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) { |
my $uname = &Apache::loncommon::cleanup_html($form->{'uname'});
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failed($r,'Username, password and domain need to be specified.'); |
my $udom = &Apache::loncommon::cleanup_html($form->{'udom'});
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return OK; |
if (&Apache::lonnet::domain($udom,'description') eq '') {
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} |
undef($udom);
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$FORM{'uname'} =~ s/\W//g; |
}
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$FORM{'udom'} =~ s/\W//g; |
my $retry = '/adm/login';
|
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if ($uname eq $form->{'uname'}) {
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my $role = $r->dir_config('lonRole'); |
$retry .= '?username='.$uname;
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my $domain = $r->dir_config('lonDefDomain'); |
}
|
my $prodir = $r->dir_config('lonUsersDir'); |
if ($udom) {
|
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$retry .= (($retry=~/\?/)?'&':'?').'domain='.$udom;
|
# ---------------------------------------- Get the information from login token |
}
|
|
if (exists($form->{role})) {
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my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'}, |
my $role = &Apache::loncommon::cleanup_html($form->{role});
|
$FORM{'serverid'}); |
if ($role ne '') {
|
|
$retry .= (($retry=~/\?/)?'&':'?').'role='.$role;
|
if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { |
}
|
failed($r,'Information needed to verify your login information is missing, inaccessible or expired.'); |
}
|
return OK; |
if (exists($form->{symb})) {
|
} else { |
my $symb = &Apache::loncommon::cleanup_html($form->{symb});
|
unless (&Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'}, |
if ($symb ne '') {
|
$FORM{'serverid'}) eq 'ok') { |
$retry .= (($retry=~/\?/)?'&':'?').'symb='.$symb;
|
&failed($r,'Session could not be opened.'); |
}
|
} |
}
|
} |
if (exists($form->{firsturl})) {
|
my ($key,$firsturl)=split(/&/,$tmpinfo); |
my $firsturl = &Apache::loncommon::cleanup_html($form->{firsturl});
|
|
if ($firsturl ne '') {
|
my $keybin=pack("H16",$key); |
$retry .= (($retry=~/\?/)?'&':'?').'firsturl='.$firsturl;
|
|
if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) {
|
my $cipher; |
unless (exists($form->{linkprot})) {
|
if ($Crypt::DES::VERSION>=2.03) { |
if (exists($form->{linkkey})) {
|
$cipher=new Crypt::DES $keybin; |
$retry .= 'linkkey='.$form->{linkkey};
|
} |
}
|
else { |
}
|
$cipher=new DES $keybin; |
}
|
} |
}
|
|
}
|
my $upass=$cipher->decrypt( |
if (exists($form->{linkprot})) {
|
unpack("a8",pack("H16",substr($FORM{'upass'},0,16)))); |
my $ltoken = &Apache::lonnet::tmpput({linkprot => $form->{'linkprot'}},
|
|
$r->dir_config('lonHostID'));
|
$upass.=$cipher->decrypt( |
if ($ltoken) {
|
unpack("a8",pack("H16",substr($FORM{'upass'},16,16)))); |
$retry .= (($retry =~ /\?/) ? '&' : '?').'ltoken='.$ltoken;
|
|
}
|
$upass=substr($upass,1,ord(substr($upass,0,1))); |
}
|
|
my $end_page = &Apache::loncommon::end_page();
|
# ---------------------------------------------------------------- Authenticate |
&Apache::loncommon::content_type($r,'text/html');
|
my $authhost=Apache::lonnet::authenticate($FORM{'uname'}, |
$r->send_http_header;
|
$upass, |
my @actions =
|
$FORM{'udom'}); |
(&mt('Please [_1]log in again[_2].','<a href="'.$retry.'">','</a>'));
|
|
my $loginhelp = &loginhelpdisplay($udom);
|
# --------------------------------------------------------------------- Failed? |
if ($loginhelp) {
|
|
push(@actions, '<a href="'.$loginhelp.'">'.&mt('Login problems?').'</a>');
|
if ($authhost eq 'no_host') { |
}
|
failed($r,'Username and/or password could not be authenticated.'); |
#FIXME: link to helpdesk might be added here
|
return OK; |
|
} |
$r->print(
|
|
$start_page
|
if (($firsturl eq '') || ($firsturl eq '/adm/logout')) { |
.'<h2>'.&mt('Sorry ...').'</h2>'
|
$firsturl='/adm/roles'; |
.&Apache::lonhtmlcommon::confirm_success(&mt($message),1).'<br /><br />'
|
} |
.&Apache::lonhtmlcommon::actionbox(\@actions)
|
|
.$end_page
|
success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl); |
);
|
return OK; |
}
|
} |
|
|
# ------------------------------------------------------------------ Rerouting!
|
1; |
|
__END__ |
sub reroute {
|
|
my ($r) = @_;
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
my $msg='<b>'.&mt('Sorry ...').'</b><br />'
|
|
.&mt('Please [_1]log in again[_2].');
|
|
&Apache::loncommon::simple_error_page($r,'Rerouting',$msg,{'no_auto_mt_msg' => 1});
|
|
}
|
|
|
|
# ---------------------------------------------------------------- Main handler
|
|
|
|
sub handler {
|
|
my $r = shift;
|
|
my $londocroot = $r->dir_config('lonDocRoot');
|
|
# Are we re-routing?
|
|
if (-e "$londocroot/lon-status/reroute.txt") {
|
|
&reroute($r);
|
|
return OK;
|
|
}
|
|
|
|
&Apache::lonlocal::get_language_handle($r);
|
|
|
|
# -------------------------------- Prevent users from attempting to login twice
|
|
my $handle = &Apache::lonnet::check_for_valid_session($r);
|
|
if ($handle ne '') {
|
|
my $lonidsdir=$r->dir_config('lonIDsDir');
|
|
if ($handle=~/^publicuser\_/) {
|
|
# For "public user" - remove it, we apparently really want to login
|
|
unlink($r->dir_config('lonIDsDir')."/$handle.id");
|
|
} else {
|
|
# Indeed, a valid token is found
|
|
&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
my $start_page =
|
|
&Apache::loncommon::start_page('Already logged in');
|
|
my $end_page =
|
|
&Apache::loncommon::end_page();
|
|
my $dest = '/adm/roles';
|
|
if ($env{'form.firsturl'} ne '') {
|
|
$dest = $env{'form.firsturl'};
|
|
if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
&Apache::lonnet::appenv({'request.deeplink.login' => $env{'form.firsturl'}});
|
|
}
|
|
}
|
|
$r->print(
|
|
$start_page
|
|
.'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
|
|
.'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
|
|
,'<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>')
|
|
.'</p>'
|
|
.$end_page
|
|
);
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
# ---------------------------------------------------- No valid token, continue
|
|
|
|
|
|
my $buffer;
|
|
if ($r->header_in('Content-length') > 0) {
|
|
$r->read($buffer,$r->header_in('Content-length'),0);
|
|
}
|
|
my %form;
|
|
foreach my $pair (split(/&/,$buffer)) {
|
|
my ($name,$value) = split(/=/,$pair);
|
|
$value =~ tr/+/ /;
|
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
|
|
$form{$name}=$value;
|
|
}
|
|
|
|
if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
|
|
&failed($r,'Username, password and domain need to be specified.',
|
|
\%form);
|
|
return OK;
|
|
}
|
|
|
|
# split user logging in and "su"-user
|
|
|
|
($form{'uname'},$form{'suname'},$form{'sudom'})=split(/\:/,$form{'uname'});
|
|
$form{'uname'} = &LONCAPA::clean_username($form{'uname'});
|
|
$form{'suname'}= &LONCAPA::clean_username($form{'suname'});
|
|
$form{'udom'} = &LONCAPA::clean_domain($form{'udom'});
|
|
$form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'});
|
|
|
|
my $role = $r->dir_config('lonRole');
|
|
my $domain = $r->dir_config('lonDefDomain');
|
|
my $prodir = $r->dir_config('lonUsersDir');
|
|
my $contact_name = &mt('LON-CAPA helpdesk');
|
|
|
|
# ---------------------------------------- Get the information from login token
|
|
|
|
my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
|
|
$form{'serverid'});
|
|
|
|
if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
|
|
($tmpinfo eq 'no_such_host')) {
|
|
&failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
|
|
return OK;
|
|
} else {
|
|
my $reply = &Apache::lonnet::reply('tmpdel:'.$form{'logtoken'},
|
|
$form{'serverid'});
|
|
if ( $reply ne 'ok' ) {
|
|
&failed($r,'Session could not be opened.',\%form);
|
|
&Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $form{'serverid'}." to get login token");
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
if (!&Apache::lonnet::domain($form{'udom'})) {
|
|
&failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
|
|
return OK;
|
|
}
|
|
|
|
my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr,$linkstr)=split(/&/,$tmpinfo);
|
|
if ($rolestr) {
|
|
$rolestr = &unescape($rolestr);
|
|
}
|
|
if ($symbstr) {
|
|
$symbstr= &unescape($symbstr);
|
|
}
|
|
if ($iptokenstr) {
|
|
$iptokenstr = &unescape($iptokenstr);
|
|
}
|
|
if ($linkstr) {
|
|
$linkstr = &unescape($linkstr);
|
|
}
|
|
if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) {
|
|
$form{'firsturl'} = $firsturl;
|
|
}
|
|
if ($rolestr =~ /^role=/) {
|
|
(undef,$form{'role'}) = split('=',$rolestr);
|
|
}
|
|
if ($symbstr =~ /^symb=/) {
|
|
(undef,$form{'symb'}) = split('=',$symbstr);
|
|
}
|
|
if ($iptokenstr =~ /^iptoken=/) {
|
|
(undef,$form{'iptoken'}) = split('=',$iptokenstr);
|
|
}
|
|
if ($linkstr =~ /^linkprot=/) {
|
|
(undef,$form{'linkprot'}) = split('=',$linkstr);
|
|
} elsif ($linkstr =~ /^linkkey=/) {
|
|
(undef,$form{'linkkey'}) = split('=',$linkstr);
|
|
}
|
|
|
|
my $upass = $ENV{HTTPS} ? $form{'upass0'}
|
|
: &Apache::loncommon::des_decrypt($key,$form{'upass0'});
|
|
|
|
# ---------------------------------------------------------------- Authenticate
|
|
|
|
my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
|
|
my ($cancreate,$statustocreate) =
|
|
&Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'});
|
|
my $defaultauth;
|
|
if (ref($cancreate) eq 'ARRAY') {
|
|
if (grep(/^login$/,@{$cancreate})) {
|
|
$defaultauth = 1;
|
|
}
|
|
}
|
|
my $clientcancheckhost = 1;
|
|
my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass,
|
|
$form{'udom'},$defaultauth,
|
|
$clientcancheckhost);
|
|
|
|
# --------------------------------------------------------------------- Failed?
|
|
|
|
if ($authhost eq 'no_host') {
|
|
&failed($r,'Username and/or password could not be authenticated.',
|
|
\%form);
|
|
return OK;
|
|
} elsif ($authhost eq 'no_account_on_host') {
|
|
if ($defaultauth) {
|
|
my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
|
|
unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) {
|
|
return OK;
|
|
}
|
|
my $start_page =
|
|
&Apache::loncommon::start_page('Create a user account in LON-CAPA');
|
|
my $lonhost = $r->dir_config('lonHostID');
|
|
my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
|
|
my $contacts =
|
|
&Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
|
|
$form{'udom'},$origmail);
|
|
my ($contact_email) = split(',',$contacts);
|
|
my $output =
|
|
&Apache::createaccount::username_check($form{'uname'},$form{'udom'},
|
|
$domdesc,'',$lonhost,
|
|
$contact_email,$contact_name,
|
|
undef,$statustocreate);
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
&Apache::createaccount::print_header($r,$start_page);
|
|
$r->print('<h3>'.&mt('Account creation').'</h3>'.
|
|
&mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').'<br />'.
|
|
$output.&Apache::loncommon::end_page());
|
|
return OK;
|
|
} else {
|
|
&failed($r,'Although your username and password were authenticated, you do not currently have a LON-CAPA account in this domain, and you are not permitted to create one.',\%form);
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
if (($firsturl eq '') ||
|
|
($firsturl=~/^\/adm\/(logout|remote)/)) {
|
|
$firsturl='/adm/roles';
|
|
}
|
|
|
|
my $hosthere;
|
|
if ($form{'iptoken'}) {
|
|
my %sessiondata = &Apache::lonnet::tmpget($form{'iptoken'});
|
|
my $delete = &Apache::lonnet::tmpdel($form{'iptoken'});
|
|
if (($sessiondata{'domain'} eq $form{'udom'}) &&
|
|
($sessiondata{'username'} eq $form{'uname'})) {
|
|
$hosthere = 1;
|
|
}
|
|
}
|
|
|
|
# --------------------------------- Are we attempting to login as somebody else?
|
|
if ($form{'suname'}) {
|
|
my ($suname,$sudom,$sudomref);
|
|
$suname = $form{'suname'};
|
|
$sudom = $form{'udom'};
|
|
if ($form{'sudom'}) {
|
|
unless ($sudom eq $form{'sudom'}) {
|
|
if (&Apache::lonnet::domain($form{'sudom'})) {
|
|
$sudomref = [$form{'sudom'}];
|
|
$sudom = $form{'sudom'};
|
|
}
|
|
}
|
|
}
|
|
# ------------ see if the original user has enough privileges to pull this stunt
|
|
if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'},$sudomref)) {
|
|
# ---------------------------------------------------- see if the su-user exists
|
|
unless (&Apache::lonnet::homeserver($suname,$sudom) eq 'no_host') {
|
|
# ------------------------------ see if the su-user is not too highly privileged
|
|
if (&Apache::lonnet::privileged($suname,$sudom)) {
|
|
&Apache::lonnet::logthis('Attempted switch user to privileged user');
|
|
} else {
|
|
my $noprivswitch;
|
|
#
|
|
# su-user's home server and user's home server must have one of:
|
|
# (a) same domain
|
|
# (b) same primary library server for the two domains
|
|
# (c) same "internet domain" for primary library server(s) for home servers' domains
|
|
#
|
|
my $suprim = &Apache::lonnet::domain($sudom,'primary');
|
|
my $suintdom = &Apache::lonnet::internet_dom($suprim);
|
|
unless ($sudom eq $form{'udom'}) {
|
|
my $uprim = &Apache::lonnet::domain($form{'udom'},'primary');
|
|
my $uintdom = &Apache::lonnet::internet_dom($uprim);
|
|
unless ($suprim eq $uprim) {
|
|
unless ($suintdom eq $uintdom) {
|
|
&Apache::lonnet::logthis('Attempted switch user '
|
|
.'to user with different "internet domain".');
|
|
$noprivswitch = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
unless ($noprivswitch) {
|
|
#
|
|
# server where log-in occurs must have same "internet domain" as su-user's home
|
|
# server
|
|
#
|
|
my $lonhost = $r->dir_config('lonHostID');
|
|
my $hostintdom = &Apache::lonnet::internet_dom($lonhost);
|
|
if ($hostintdom ne $suintdom) {
|
|
&Apache::lonnet::logthis('Attempted switch user on a '
|
|
.'server with a different "internet domain".');
|
|
} else {
|
|
|
|
# -------------------------------------------------------- actually switch users
|
|
|
|
&Apache::lonnet::logperm('User '.$form{'uname'}.' at '.
|
|
$form{'udom'}.' logging in as '.$suname.':'.$sudom);
|
|
$form{'uname'}=$suname;
|
|
if ($form{'udom'} ne $sudom) {
|
|
$form{'udom'}=$sudom;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
&Apache::lonnet::logthis('Non-privileged user attempting switch user');
|
|
}
|
|
}
|
|
|
|
my ($is_balancer,$otherserver);
|
|
|
|
unless ($hosthere) {
|
|
($is_balancer,$otherserver) =
|
|
&Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'},'login');
|
|
if ($is_balancer) {
|
|
# Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
|
|
my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r);
|
|
if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) {
|
|
$otherserver = $found_server;
|
|
}
|
|
if ($otherserver eq '') {
|
|
my $lowest_load;
|
|
($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($form{'udom'});
|
|
if ($lowest_load > 100) {
|
|
$otherserver = &Apache::lonnet::spareserver($r,$lowest_load,$lowest_load,1,$form{'udom'});
|
|
}
|
|
}
|
|
if ($otherserver ne '') {
|
|
my @hosts = &Apache::lonnet::current_machine_ids();
|
|
if (grep(/^\Q$otherserver\E$/,@hosts)) {
|
|
$hosthere = $otherserver;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (($is_balancer) && (!$hosthere)) {
|
|
if ($otherserver) {
|
|
&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
|
|
\%form);
|
|
my $switchto = '/adm/switchserver?otherserver='.$otherserver;
|
|
if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
|
|
$switchto .= '&origurl='.$firsturl; #should escape
|
|
}
|
|
if ($form{'role'}) {
|
|
$switchto .= '&role='.$form{'role'};
|
|
}
|
|
if ($form{'symb'}) {
|
|
$switchto .= '&symb='.$form{'symb'};
|
|
}
|
|
if ($form{'linkprot'}) {
|
|
$env{'request.linkprot'} = $form{'linkprot'};
|
|
} elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
if ($form{'linkkey'}) {
|
|
$env{'request.linkkey'} = $form{'linkkey'};
|
|
}
|
|
$env{'request.deeplink.login'} = $form{'firsturl'};
|
|
}
|
|
$r->internal_redirect($switchto);
|
|
} else {
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
$r->print(&noswitch());
|
|
}
|
|
return OK;
|
|
} else {
|
|
if (!&check_can_host($r,\%form,$authhost)) {
|
|
my ($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
|
|
if ($otherserver) {
|
|
&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
|
|
\%form);
|
|
my $switchto = '/adm/switchserver?otherserver='.$otherserver;
|
|
if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) {
|
|
$switchto .= '&origurl='.$firsturl; #should escape
|
|
}
|
|
if ($form{'role'}) {
|
|
$switchto .= '&role='.$form{'role'};
|
|
}
|
|
if ($form{'symb'}) {
|
|
$switchto .= '&symb='.$form{'symb'};
|
|
}
|
|
if ($form{'linkprot'}) {
|
|
$env{'request.linkprot'} = $form{'linkprot'};
|
|
} elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
if ($form{'linkkey'}) {
|
|
$env{'request.linkkey'} = $form{'linkkey'};
|
|
}
|
|
$env{'request.deeplink.login'} = $form{'firsturl'};
|
|
|
|
}
|
|
$r->internal_redirect($switchto);
|
|
} else {
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
$r->print(&noswitch());
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
# ------------------------------------------------------- Do the load balancing
|
|
|
|
# ---------------------------------------------------------- Determine own load
|
|
my $loadlim = $r->dir_config('lonLoadLim');
|
|
my $loadavg;
|
|
{
|
|
my $loadfile=Apache::File->new('/proc/loadavg');
|
|
$loadavg=<$loadfile>;
|
|
}
|
|
$loadavg =~ s/\s.*//g;
|
|
my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
|
|
my $userloadpercent=&Apache::lonnet::userload();
|
|
|
|
# ---------------------------------------------------------- Are we overloaded?
|
|
if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
|
|
my $unloaded=Apache::lonnet::spareserver($r,$loadpercent,$userloadpercent,1,$form{'udom'});
|
|
if (!$unloaded) {
|
|
($unloaded) = &Apache::lonnet::choose_server($form{'udom'});
|
|
}
|
|
if ($unloaded) {
|
|
&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',
|
|
undef,\%form);
|
|
if ($form{'linkprot'}) {
|
|
$env{'request.linkprot'} = $form{'linkprot'};
|
|
} elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
if ($form{'linkkey'}) {
|
|
$env{'request.linkkey'} = $form{'linkkey'};
|
|
}
|
|
$env{'request.deeplink.login'} = $form{'firsturl'};
|
|
}
|
|
$r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl);
|
|
return OK;
|
|
}
|
|
}
|
|
if (($is_balancer) && ($hosthere)) {
|
|
$form{'noloadbalance'} = $hosthere;
|
|
}
|
|
my $extra_env;
|
|
if ($form{'linkprot'}) {
|
|
my ($linkprotector,$uri) = split(/:/,$form{'linkprot'},2);
|
|
if ($linkprotector) {
|
|
$extra_env = {'user.linkprotector' => $linkprotector,
|
|
'user.linkproturi' => $uri,};
|
|
}
|
|
} elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
if ($form{'linkkey'}) {
|
|
$extra_env = {'user.deeplinkkey' => $form{'linkkey'},
|
|
'user.keyedlinkuri' => $form{'firsturl'},
|
|
'request.deeplink.login' => $form{'firsturl'}};
|
|
} else {
|
|
$extra_env = {'request.deeplink.login' => $form{'firsturl'}};
|
|
}
|
|
}
|
|
&success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,$extra_env,
|
|
\%form);
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
sub check_can_host {
|
|
my ($r,$form,$authhost,$domdesc) = @_;
|
|
return unless (ref($form) eq 'HASH');
|
|
my $canhost = 1;
|
|
my $lonhost = $r->dir_config('lonHostID');
|
|
my $udom = $form->{'udom'};
|
|
my @intdoms;
|
|
my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
|
|
if (ref($internet_names) eq 'ARRAY') {
|
|
@intdoms = @{$internet_names};
|
|
}
|
|
my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
|
|
my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
|
|
unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
|
|
my $machine_dom = &Apache::lonnet::host_domain($lonhost);
|
|
my $hostname = &Apache::lonnet::hostname($lonhost);
|
|
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
|
|
my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
|
|
my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
|
|
my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
|
|
my $loncaparev;
|
|
if ($authhost eq 'no_account_on_host') {
|
|
$loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom);
|
|
} else {
|
|
$loncaparev = &Apache::lonnet::get_server_loncaparev($machine_dom,$lonhost);
|
|
}
|
|
$canhost = &Apache::lonnet::can_host_session($udom,$lonhost,$loncaparev,
|
|
$udomdefaults{'remotesessions'},
|
|
$defdomdefaults{'hostedsessions'});
|
|
}
|
|
unless ($canhost) {
|
|
if ($authhost eq 'no_account_on_host') {
|
|
my $checkloginvia = 1;
|
|
my ($login_host,$hostname) =
|
|
&Apache::lonnet::choose_server($udom,$checkloginvia);
|
|
&Apache::loncommon::content_type($r,'text/html');
|
|
$r->send_http_header;
|
|
if ($login_host ne '') {
|
|
my $protocol = $Apache::lonnet::protocol{$login_host};
|
|
$protocol = 'http' if ($protocol ne 'https');
|
|
my $alias = &Apache::lonnet::use_proxy_alias($r,$login_host);
|
|
$hostname = $alias if ($alias ne '');
|
|
my $newurl = $protocol.'://'.$hostname.'/adm/createaccount';
|
|
#FIXME Should preserve where user was going and linkprot by setting ltoken at $login_host
|
|
$r->print(&Apache::loncommon::start_page('Create a user account in LON-CAPA').
|
|
'<h3>'.&mt('Account creation').'</h3>'.
|
|
&mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
|
|
'<p>'.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'</p>'.
|
|
'<p>'.&mt('[_1]Log in[_2]','<a href="'.$newurl.'">','</a>').
|
|
&Apache::loncommon::end_page());
|
|
} else {
|
|
$r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable').
|
|
'<h3>'.&mt('Account creation unavailable').'</h3>'.
|
|
&mt('You do not currently have a LON-CAPA account at this institution.').'<br />'.
|
|
'<p>'.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'</p>'.
|
|
&Apache::loncommon::end_page());
|
|
}
|
|
} else {
|
|
&success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
|
|
$form);
|
|
if ($form->{'linkprot'}) {
|
|
$env{'request.linkprot'} = $form->{'linkprot'};
|
|
} elsif ($form->{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
|
|
if ($form->{'linkkey'}) {
|
|
$env{'request.linkkey'} = $form->{'linkkey'};
|
|
}
|
|
$env{'request.deeplink.login'} = $form->{'firsturl'};
|
|
}
|
|
my ($otherserver) = &Apache::lonnet::choose_server($udom);
|
|
$r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
|
|
}
|
|
}
|
|
return $canhost;
|
|
}
|
|
|
|
sub noswitch {
|
|
my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
|
|
'<h3>'.&mt('Session unavailable').'</h3>'.
|
|
&mt('This LON-CAPA server is unable to host your session.').'<br />'.
|
|
'<p>'.&mt('Currently no other LON-CAPA server is available to host your session either.').'</p>'.
|
|
&Apache::loncommon::end_page();
|
|
return $result;
|
|
}
|
|
|
|
sub loginhelpdisplay {
|
|
my ($authdomain) = @_;
|
|
my $login_help = 1;
|
|
my $lang = &Apache::lonlocal::current_language();
|
|
if ($login_help) {
|
|
my $dom = $authdomain;
|
|
if ($dom eq '') {
|
|
$dom = &Apache::lonnet::default_login_domain();
|
|
}
|
|
my %domconfhash = &Apache::loncommon::get_domainconf($dom);
|
|
my $loginhelp_url;
|
|
if ($lang) {
|
|
$loginhelp_url = $domconfhash{$dom.'.login.helpurl_'.$lang};
|
|
if ($loginhelp_url ne '') {
|
|
return $loginhelp_url;
|
|
}
|
|
}
|
|
$loginhelp_url = $domconfhash{$dom.'.login.helpurl_nolang'};
|
|
if ($loginhelp_url ne '') {
|
|
return $loginhelp_url;
|
|
} else {
|
|
return '/adm/loginproblems.html';
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
1;
|
|
__END__
|
|
|
|
|