# The LearningOnline Network
# Allow visitors to create a user account with the username being either an
# institutional log-in ID (institutional authentication required - localauth
# or kerberos) or an e-mail address.
#
# $Id: createaccount.pm,v 1.34 2009/04/04 21:47:40 bisitz Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
#
package Apache::createaccount;
use strict;
use Apache::Constants qw(:common);
use Apache::lonacc;
use Apache::lonnet;
use Apache::loncommon;
use Apache::lonhtmlcommon;
use Apache::lonlocal;
use Apache::lonauth;
use Apache::resetpw;
use Authen::Captcha;
use DynaLoader; # for Crypt::DES version
use Crypt::DES;
use LONCAPA qw(:DEFAULT :match);
use HTML::Entities;
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if ($r->header_only) {
return OK;
}
my $domain;
my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
&Apache::lonacc::get_posted_cgi($r);
&Apache::lonlocal::get_language_handle($r);
if ($sso_username ne '' && $sso_domain ne '') {
$domain = $sso_domain;
} else {
$domain = &Apache::lonnet::default_login_domain();
if (defined($env{'form.courseid'})) {
if (&validate_course($env{'form.courseid'})) {
if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
$domain = $1;
}
}
}
}
my $domdesc = &Apache::lonnet::domain($domain,'description');
my $contact_name = &mt('LON-CAPA helpdesk');
my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
my $contacts =
&Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
$domain,$origmail);
my ($contact_email) = split(',',$contacts);
my $lonhost = $r->dir_config('lonHostID');
my $include = $r->dir_config('lonIncludes');
my $start_page;
my $handle = &Apache::lonnet::check_for_valid_session($r);
if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
$start_page =
&Apache::loncommon::start_page('Already logged in');
my $end_page =
&Apache::loncommon::end_page();
$r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
'</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
return OK;
}
my ($js,$courseid,$title);
if (defined($env{'form.courseid'})) {
$courseid = &validate_course($env{'form.courseid'});
}
if ($courseid ne '') {
$js = &catreturn_js();
$title = 'Self-enroll in a LON-CAPA course';
} else {
$title = 'Create a user account in LON-CAPA';
}
if ($env{'form.phase'} eq 'selfenroll_login') {
$title = 'Self-enroll in a LON-CAPA course';
if ($env{'form.udom'} ne '') {
$domain = $env{'form.udom'};
}
my ($result,$output) =
&username_validation($r,$env{'form.uname'},$domain,$domdesc,
$contact_name,$contact_email,$courseid,
$lonhost);
if ($result eq 'existingaccount') {
$r->print($output);
&print_footer($r);
return OK;
} else {
$start_page =
&Apache::loncommon::start_page($title,$js,
{'no_inline_link' => 1,});
&print_header($r,$start_page,$courseid);
$r->print($output);
&print_footer($r);
return OK;
}
}
$start_page =
&Apache::loncommon::start_page($title,$js,
{'no_inline_link' => 1,});
my @cancreate;
my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
if (ref($domconfig{'usercreation'}) eq 'HASH') {
if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
@cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
} elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
@cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
}
}
}
if (@cancreate == 0) {
&print_header($r,$start_page,$courseid);
my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
'<span class="LC_warning">'.
&mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
$r->print($output);
&print_footer($r);
return OK;
}
if ($sso_username ne '') {
&print_header($r,$start_page,$courseid);
my ($msg,$sso_logout);
$sso_logout = &sso_logout_frag($r,$domain);
if (grep(/^sso$/,@cancreate)) {
$msg = '<h3>'.&mt('Account creation').'</h3>'.
&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution.").'<br />';
$msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
$lonhost,$contact_email,$contact_name,$sso_logout);
} else {
$msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
'<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
$sso_logout;
}
$r->print($msg);
&print_footer($r);
return OK;
}
my ($output,$nostart,$noend);
my $token = $env{'form.token'};
if ($token) {
($output,$nostart,$noend) =
&process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
$domdesc,$lonhost,$include,$start_page);
if ($nostart) {
if ($noend) {
return OK;
} else {
$r->print($output);
&print_footer($r);
return OK;
}
} else {
&print_header($r,$start_page,$courseid);
$r->print($output);
&print_footer($r);
return OK;
}
}
if ($env{'form.phase'} eq 'username_activation') {
(my $result,$output,$nostart) =
&username_activation($r,$env{'form.uname'},$domain,$domdesc,
$lonhost,$courseid);
if ($result eq 'ok') {
if ($nostart) {
return OK;
}
}
&print_header($r,$start_page,$courseid);
$r->print($output);
&print_footer($r);
return OK;
} elsif ($env{'form.phase'} eq 'username_validation') {
(my $result,$output) =
&username_validation($r,$env{'form.uname'},$domain,$domdesc,
$contact_name,$contact_email,$courseid,
$lonhost);
if ($result eq 'existingaccount') {
$r->print($output);
&print_footer($r);
return OK;
} else {
&print_header($r,$start_page,$courseid);
}
} elsif ($env{'form.create_with_email'}) {
&print_header($r,$start_page,$courseid);
$output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
$contact_name,$contact_email,\@cancreate,
$lonhost,$domconfig{'usercreation'},
$courseid);
} elsif (!$token) {
&print_header($r,$start_page,$courseid);
my $now=time;
if (grep(/^login$/,@cancreate)) {
my $jsh=Apache::File->new($include."/londes.js");
$r->print(<$jsh>);
$r->print(&javascript_setforms($now));
}
if (grep(/^email$/,@cancreate)) {
$r->print(&javascript_validmail());
}
$output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
$courseid);
}
$r->print($output);
&print_footer($r);
return OK;
}
sub print_header {
my ($r,$start_page,$courseid) = @_;
$r->print($start_page);
&Apache::lonhtmlcommon::clear_breadcrumbs();
if ($courseid ne '') {
my %coursehash = &Apache::lonnet::coursedescription($courseid);
&selfenroll_crumbs($r,$courseid,$coursehash{'description'});
}
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/createuser",
text=>"New username"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
return;
}
sub print_footer {
my ($r) = @_;
if ($env{'form.courseid'} ne '') {
$r->print('<form name="backupcrumbs" method="post" action="">'.
&Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
'token','serverid','uname','upass','phase','create_with_email',
'code','useremail','crypt','cfirstname','clastname',
'cmiddlename','cgeneration','cpermanentemail','cid']).
'</form>');
}
$r->print(&Apache::loncommon::end_page());
}
sub selfenroll_crumbs {
my ($r,$courseid,$desc) = @_;
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"javascript:ToCatalog('backupcrumbs','')",
text=>"Course Catalog"});
if ($env{'form.coursenum'} ne '') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"javascript:ToCatalog('backupcrumbs','details')",
text=>"Course details"});
}
my $last_crumb;
if ($desc ne '') {
$last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
} else {
$last_crumb = &mt('Self-enroll');
}
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"javascript:ToSelfenroll('backupcrumbs')",
text=>$last_crumb,
no_mt=>"1"});
return;
}
sub validate_course {
my ($courseid) = @_;
my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
if (($cdom ne '') && ($cnum ne '')) {
if (&Apache::lonnet::is_course($cdom,$cnum)) {
return ($courseid);
}
}
return;
}
sub javascript_setforms {
my ($now) = @_;
my $js = <<ENDSCRIPT;
<script type="text/javascript" language="JavaScript">
function send() {
this.document.server.elements.uname.value = this.document.client.elements.uname.value;
this.document.server.elements.udom.value = this.document.client.elements.udom.value;
uextkey=this.document.client.elements.uextkey.value;
lextkey=this.document.client.elements.lextkey.value;
initkeys();
this.document.server.elements.upass.value
= crypted(this.document.client.elements.upass$now.value);
this.document.client.elements.uname.value='';
this.document.client.elements.upass$now.value='';
this.document.server.submit();
return false;
}
</script>
ENDSCRIPT
return $js;
}
sub javascript_checkpass {
my ($now) = @_;
my $nopass = &mt('You must enter a password.');
my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
&mt('Please try again.');
my $js = <<"ENDSCRIPT";
<script type="text/javascript" language="JavaScript">
function checkpass() {
var upass = this.document.client.elements.upass$now.value;
var upasscheck = this.document.client.elements.upasscheck$now.value;
if (upass == '') {
alert("$nopass");
return false;
}
if (upass == upasscheck) {
this.document.client.elements.upasscheck$now.value='';
send();
return false;
} else {
alert("$mismatchpass");
return false;
}
}
</script>
ENDSCRIPT
return $js;
}
sub javascript_validmail {
my %lt = &Apache::lonlocal::texthash (
email => 'The e-mail address you entered',
notv => 'is not a valid e-mail address',
);
my $output = "\n".'<script type="text/javascript">'."\n".
&Apache::lonhtmlcommon::javascript_valid_email()."\n";
$output .= <<"ENDSCRIPT";
function validate_email() {
field = document.createaccount.useremail;
if (validmail(field) == false) {
alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
return false;
}
return true;
}
ENDSCRIPT
$output .= "\n".'</script>'."\n";
return $output;
}
sub print_username_form {
my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
my %lt = &Apache::lonlocal::texthash(
unam => 'username',
udom => 'domain',
uemail => 'E-mail address in LON-CAPA',
proc => 'Proceed');
my $output;
if (ref($cancreate) eq 'ARRAY') {
if (grep(/^login$/,@{$cancreate})) {
my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
$output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
my $submit_text = &mt('Create LON-CAPA account');
$output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
$output .= &login_box($now,$lonhost,$courseid,$submit_text,
$domain,'createaccount').'</div>';
}
}
if (grep(/^email$/,@{$cancreate})) {
$output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
my $captchaform = &create_captcha();
if ($captchaform) {
my $submit_text = &mt('Request LON-CAPA account');
my $emailform = '<input type="text" name="useremail" size="25" value="" />';
if (grep(/^login$/,@{$cancreate})) {
$output .= &mt('Provide your e-mail address to request a LON-CAPA account,[_1] if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
} else {
$output .= '<br />';
}
$output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
&Apache::lonhtmlcommon::start_pick_box()."\n".
&Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
'LC_pick_box_title')."\n".
$emailform."\n".
&Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::row_title(&mt('Validation'),
'LC_pick_box_title')."\n".
$captchaform."\n".'<br /><br />';
if ($courseid ne '') {
$output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
}
$output .= &Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::row_title().'<br />'.
'<input type="submit" name="create_with_email" value="'.
$submit_text.'" />'.
&Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
if ($courseid ne '') {
$output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
}
$output .= '</form>';
} else {
my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
if ($courseid ne '') {
$helpdesk .= '&courseid='.$courseid;
}
$output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
}
$output .= '</div>';
}
}
if ($output eq '') {
$output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
} else {
$output .= '<div class="LC_clear_float_footer"></div>';
}
return $output;
}
sub login_box {
my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
my $output;
my %titles = &Apache::lonlocal::texthash(
createaccount => 'Log-in ID',
selfenroll => 'Username',
);
my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
$lonhost);
$output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
my $unameform = '<input type="text" name="uname" size="20" value="" />';
my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
$output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
&Apache::lonhtmlcommon::start_pick_box()."\n".
&Apache::lonhtmlcommon::row_title($titles{$context},
'LC_pick_box_title')."\n".
$unameform."\n".
&Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::row_title(&mt('Password'),
'LC_pick_box_title')."\n".
$upassform;
if ($context eq 'selfenroll') {
my $udomform = '<input type="text" name="udom" size="10" value="'.
$domain.'" />';
$output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::row_title(&mt('Domain'),
'LC_pick_box_title')."\n".
$udomform."\n";
} else {
$output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
}
$output .= &Apache::lonhtmlcommon::row_closure(1).
&Apache::lonhtmlcommon::row_title().
'<br /><input type="submit" name="username_validation" value="'.
$submit_text.'" />'."\n";
if ($context eq 'selfenroll') {
$output .= '<br /><br /><table width="100%"><tr><td align="right">'.
'<span class="LC_fontsize_medium">'.
'<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
'</span></td></tr></table>'."\n";
}
$output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
$output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
'<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
'</form>';
return $output;
}
sub process_email_request {
my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
$server,$settings,$courseid) = @_;
$useremail = $env{'form.useremail'};
my $output;
if (ref($cancreate) eq 'ARRAY') {
if (!grep(/^email$/,@{$cancreate})) {
$output = &invalid_state('noemails',$domdesc,
$contact_name,$contact_email);
return $output;
} elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
$output = &invalid_state('baduseremail',$domdesc,
$contact_name,$contact_email);
return $output;
} else {
my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
if ($uhome ne 'no_host') {
$output = &invalid_state('existinguser',$domdesc,
$contact_name,$contact_email);
return $output;
} else {
my $code = $env{'form.code'};
my $md5sum = $env{'form.crypt'};
my %captcha_params = &captcha_settings();
my $captcha = Authen::Captcha->new(
output_folder => $captcha_params{'output_dir'},
data_folder => $captcha_params{'db_dir'},
);
my $captcha_chk = $captcha->check_code($code,$md5sum);
my %captcha_hash = (
0 => 'Code not checked (file error)',
-1 => 'Failed: code expired',
-2 => 'Failed: invalid code (not in database)',
-3 => 'Failed: invalid code (code does not match crypt)',
);
if ($captcha_chk != 1) {
$output = &invalid_state('captcha',$domdesc,$contact_name,
$contact_email,$captcha_hash{$captcha_chk});
return $output;
}
my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
if ($uhome eq 'no_host') {
my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
&call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
\%inst_results,\%curr_rules,%got_rules,'username');
if (ref($alerts{'username'}) eq 'HASH') {
if (ref($alerts{'username'}{$domain}) eq 'HASH') {
if ($alerts{'username'}{$domain}{$useremail}) {
$output = &invalid_state('userrules',$domdesc,
$contact_name,$contact_email);
return $output;
}
}
}
my $format_msg =
&guest_format_check($useremail,$domain,$cancreate,
$settings);
if ($format_msg) {
$output = &invalid_state('userformat',$domdesc,$contact_name,
$contact_email,$format_msg);
return $output;
}
}
}
}
$output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
$contact_email,$courseid);
}
return $output;
}
sub call_rulecheck {
my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
$got_rules,$tocheck) = @_;
my ($checkhash,$checks);
$checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
if ($tocheck eq 'username') {
$checks = { 'username' => 1 };
}
&Apache::loncommon::user_rule_check($checkhash,$checks,
$alerts,$rulematch,$inst_results,$curr_rules,
$got_rules);
return;
}
sub send_token {
my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
&mt('Thank you for your request to create a new LON-CAPA account.').
'<br /><br />';
my $now = time;
my %info = ('ip' => $ENV{'REMOTE_ADDR'},
'time' => $now,
'domain' => $domain,
'username' => $email,
'courseid' => $courseid);
my $token = &Apache::lonnet::tmpput(\%info,$server);
if ($token !~ /^error/ && $token ne 'no_such_host') {
my $esc_token = &escape($token);
my $showtime = localtime(time);
my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
&mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
$contact_email);
if ($result eq 'ok') {
$msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.&mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
} else {
$msg .= '<span class="LC_error">'.
&mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
}
} else {
$msg .= '<span class="LC_error">'.
&mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
}
return $msg;
}
sub process_mailtoken {
my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
$include,$start_page) = @_;
my ($msg,$nostart,$noend);
my %data = &Apache::lonnet::tmpget($token);
my $now = time;
if (keys(%data) == 0) {
$msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
.' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
.' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
return $msg;
}
if (($data{'time'} =~ /^\d+$/) &&
($data{'domain'} ne '') &&
($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
if ($now - $data{'time'} < 7200) {
if ($env{'form.phase'} eq 'createaccount') {
my ($result,$output) = &create_account($r,$domain,$lonhost,
$data{'username'},$domdesc);
if ($result eq 'ok') {
$msg = $output;
my $shownow = &Apache::lonlocal::locallocaltime($now);
my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
$mailmsg,$contact_name,
$contact_email);
if ($mailresult eq 'ok') {
$msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
} else {
$msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
}
my %form = &start_session($r,$data{'username'},$domain,
$lonhost,$data{'courseid'},
$token);
$nostart = 1;
$noend = 1;
} else {
$msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
.'<br />'.$output
# .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
}
my $delete = &Apache::lonnet::tmpdel($token);
} else {
$msg .= &mt('Please provide user information and a password for your new account.').'<br />'.&mt('Your password, which must contain at least seven characters, will be sent to the LON-CAPA server in an encrypted form.').'<br />';
$msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
$nostart = 1;
}
} else {
$msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
.' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
}
} else {
$msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
.' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
}
return ($msg,$nostart,$noend);
}
sub start_session {
my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
my %form = (
uname => $username,
udom => $domain,
);
my $firsturl = '/adm/roles';
if (defined($courseid)) {
$courseid = &validate_course($courseid);
if ($courseid ne '') {
$form{'courseid'} = $courseid;
$firsturl = '/adm/selfenroll?courseid='.$courseid;
}
}
if ($r->dir_config('lonBalancer') eq 'yes') {
&Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
$lonhost,'noredirect',undef,\%form);
if ($token ne '') {
my $delete = &Apache::lonnet::tmpdel($token);
}
$r->internal_redirect('/adm/switchserver');
} else {
&Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
$lonhost,$firsturl,undef,\%form);
}
return %form;
}
sub print_dataentry_form {
my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
my ($error,$output);
&print_header($r,$start_page);
if (open(my $jsh,"<$include/londes.js")) {
while(my $line = <$jsh>) {
$r->print($line);
}
close($jsh);
$output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
$lonhost);
my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
my ($datatable,$rowcount) =
&Apache::loncreateuser::personal_data_display($username,$domain,
'email','selfcreate');
if ($rowcount) {
$output .= '<div class="LC_left_float">'.$formtag.$datatable;
} else {
$output .= $formtag;
}
$output .= <<"ENDSERVERFORM";
<input type="hidden" name="logtoken" value="$logtoken" />
<input type="hidden" name="token" value="$mailtoken" />
<input type="hidden" name="serverid" value="$lonhost" />
<input type="hidden" name="uname" value="" />
<input type="hidden" name="upass" value="" />
<input type="hidden" name="udom" value="" />
<input type="hidden" name="phase" value="createaccount" />
</form>
ENDSERVERFORM
if ($rowcount) {
$output .= '</div>'.
'<div class="LC_left_float">';
}
my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
my $submit_text = &mt('Create LON-CAPA account');
$output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
'<form name="client" method="post" '.
'onsubmit="return checkpass();">'."\n".
&Apache::lonhtmlcommon::start_pick_box()."\n".
&Apache::lonhtmlcommon::row_title(&mt('Username'),
'LC_pick_box_title',
'LC_oddrow_value')."\n".
$username."\n".
&Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::row_title(&mt('Password'),
'LC_pick_box_title',
'LC_oddrow_value')."\n".
$upassone."\n".
&Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
'LC_pick_box_title',
'LC_oddrow_value')."\n".
$upasstwo.
&Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::row_title()."\n".
'<br /><input type="submit" name="createaccount" value="'.
$submit_text.'" />'.
&Apache::lonhtmlcommon::row_closure(1)."\n".
&Apache::lonhtmlcommon::end_pick_box()."\n".
'<input type="hidden" name="uname" value="'.$username.'" />'."\n".
'<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
'<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
'<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
'</form>';
if ($rowcount) {
$output .= '</div>'."\n".
'<div class="LC_clear_float_footer"></div>'."\n";
}
} else {
$output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
}
return $output;
}
sub create_account {
my ($r,$domain,$lonhost,$username,$domdesc) = @_;
my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
$env{'form.serverid'});
# Error messages
my $error = '<span class="LC_error">'.&mt('Error:').' ';
my $end = '</span><br /><br />';
my $rtnlink = '<a href="javascript:history.back();" />'.
&mt('Return to previous page').'</a>'.
&Apache::loncommon::end_page();
if ($retrieved eq 'ok') {
if ($env{'form.courseid'} ne '') {
my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
if ($result eq 'fail') {
$output = $error.&mt('Invalid ID format').$end.
$userchkmsg.$rtnlink;
return ('fail',$output);
}
}
} else {
return ('fail',$error.$output.$end.$rtnlink);
}
# Call modifyuser
my $result =
&Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
'internal',$upass,$env{'form.cfirstname'},
$env{'form.cmiddlename'},$env{'form.clastname'},
$env{'form.cgeneration'},undef,undef,$username);
$output = &mt('Generating user: [_1]',$result);
my $uhome = &Apache::lonnet::homeserver($username,$domain);
$output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
&Apache::lonnet::hostname($uhome).'<br /><br />';
return ('ok',$output);
}
sub username_validation {
my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
$lonhost) = @_;
my ($retrieved,$output,$upass);
$username= &LONCAPA::clean_username($username);
$domain = &LONCAPA::clean_domain($domain);
my $uhome = &Apache::lonnet::homeserver($username,$domain);
($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
$env{'form.serverid'});
if ($retrieved ne 'ok') {
return ('fail',$output);
}
if ($uhome ne 'no_host') {
my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
if ($result ne 'no_host') {
my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
$output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
return ('existingaccount',$output);
} else {
$output = &login_failure_msg($courseid);
}
} else {
my $primlibserv = &Apache::lonnet::domain($domain,'primary');
my $authok;
my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
my $checkdefauth = 1;
$authok =
&Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
} else {
$authok = 'non_authorized';
}
if ($authok eq 'authorized') {
$output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
$contact_email,$contact_name);
} else {
$output = &login_failure_msg($courseid);
}
}
return ('ok',$output);
}
sub login_failure_msg {
my ($courseid) = @_;
my $url;
if ($courseid ne '') {
$url = "/adm/selfenroll?courseid=".$courseid;
} else {
$url = "/adm/createaccount";
}
my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
&mt('Username and/or password could not be authenticated.').
'</div>'.
&mt('Please check the username and password.').'<br /><br />';
'<a href="'.$url.'">'.&mt('Try again').'</a>';
return $output;
}
sub username_check {
my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
$sso_logout) = @_;
my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
%alerts,%curr_rules,%got_rules);
&call_rulecheck($username,$domain,\%alerts,\%rulematch,
\%inst_results,\%curr_rules,%got_rules,'username');
if (ref($alerts{'username'}) eq 'HASH') {
if (ref($alerts{'username'}{$domain}) eq 'HASH') {
if ($alerts{'username'}{$domain}{$username}) {
if (ref($curr_rules{$domain}) eq 'HASH') {
$output =
&Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
'selfcreate').
&Apache::loncommon::user_rule_formats($domain,$domdesc,
$curr_rules{$domain}{'username'},'username');
}
$checkfail = 'username';
}
}
}
if (!$checkfail) {
$output = '<form method="post" action="/adm/createaccount">';
(my $datatable,$rowcount,$editable) =
&Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
$inst_results{$username.':'.$domain});
if ($rowcount > 0) {
$output .= $datatable;
}
$output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
'<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
'<input type="hidden" name="phase" value="username_activation" />';
my $now = time;
my %info = ('ip' => $ENV{'REMOTE_ADDR'},
'time' => $now,
'domain' => $domain,
'username' => $username);
my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
$output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
} else {
$output = &mt('An error occurred when storing a token').'<br />'.
&mt('You will not be able to proceed to the next stage of account creation').
&linkto_email_help($contact_email,$domdesc);
$checkfail = 'authtoken';
}
}
if ($checkfail) {
$msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
if ($checkfail eq 'username') {
$msg .= '<span class="LC_warning">'.
&mt('A LON-CAPA account may not be created with the username you use.').
'</span><br /><br />'.$output;
} elsif ($checkfail eq 'authtoken') {
$msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
'<br />'.$output;
}
$msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
$contact_name,$contact_email).'<br /><hr />'.
$sso_logout;
&Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
} else {
if ($courseid ne '') {
$output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
}
$output .= '<input type="submit" name="newaccount" value="'.
&mt('Create LON-CAPA account').'" /></form>';
if ($rowcount) {
if ($editable) {
if ($courseid ne '') {
$msg = '<h4>'.&mt('User information').'</h4>';
}
$msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
} else {
if ($courseid ne '') {
$msg = '<h4>'.&mt('Review user information').'</h4>';
}
$msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
}
} else {
if ($courseid ne '') {
$msg = '<h4>'.&mt('Confirmation').'</h4>';
}
$msg .= &mt('Confirm that you wish to create an account.');
}
$msg .= $output;
}
return $msg;
}
sub username_activation {
my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
my $output;
my $error = '<span class="LC_error">'.&mt('Error:').' ';
my $end = '</span><br /><br />';
my $rtnlink = '<a href="javascript:history.back();" />'.
&mt('Return to previous page').'</a>'.
&Apache::loncommon::end_page();
my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
my $now = time;
my $earlyout;
my $timeout = 300;
if (keys(%data) == 0) {
$output = &mt('Sorry, your authentication has expired.');
$earlyout = 'fail';
}
if (($data{'time'} !~ /^\d+$/) ||
($data{'domain'} ne $domain) ||
($data{'username'} ne $username)) {
$earlyout = 'fail';
$output = &mt('The credentials you provided could not be verified.');
} elsif ($now - $data{'time'} > $timeout) {
$earlyout = 'fail';
$output = &mt('Sorry, your authentication has expired.');
}
if ($earlyout ne '') {
$output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
return($earlyout,$output);
}
if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
($domdefaults{'auth_arg_def'} ne '')) ||
($domdefaults{'auth_def'} eq 'localauth')) {
if ($env{'form.courseid'} ne '') {
my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
if ($result eq 'fail') {
$output = $error.&mt('Invalid ID format').$end.
$userchkmsg.$rtnlink;
return ('fail',$output);
}
}
# Call modifyuser
my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
&call_rulecheck($username,$domain,\%alerts,\%rulematch,
\%inst_results,\%curr_rules,%got_rules);
my @userinfo = ('firstname','middlename','lastname','generation',
'permanentemail','id');
my %canmodify =
&Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
\@userinfo,\%inst_results);
foreach my $item (@userinfo) {
if ($canmodify{$item}) {
$info{$item} = $env{'form.c'.$item};
} else {
$info{$item} = $inst_results{$username.':'.$domain}{$item};
}
}
if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
$info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
}
my $result =
&Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
$domdefaults{'auth_def'},
$domdefaults{'auth_arg_def'},$info{'firstname'},
$info{'middlename'},$info{'lastname'},
$info{'generation'},undef,undef,
$info{'permanentemail'},$info{'inststatus'});
if ($result eq 'ok') {
my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
$output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
my $nostart = 1;
return ('ok',$output,$nostart);
} else {
$output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
return ('fail',$output);
}
} else {
$output = &mt('User account creation is not available for the current default authentication type.')."\n";
return('fail',$output);
}
}
sub check_id {
my ($username,$domain,$domdesc) = @_;
# Check ID format
my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
my %checks = ('id' => 1);
%{$checkhash{$username.':'.$domain}} = (
'newuser' => 1,
'id' => $env{'form.cid'},
);
&Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
\%rulematch,\%inst_results,\%curr_rules);
if (ref($alerts{'id'}) eq 'HASH') {
if (ref($alerts{'id'}{$domain}) eq 'HASH') {
if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
my $userchkmsg;
if (ref($curr_rules{$domain}) eq 'HASH') {
$userchkmsg =
&Apache::loncommon::instrule_disallow_msg('id',
$domdesc,1).
&Apache::loncommon::user_rule_formats($domain,
$domdesc,$curr_rules{$domain}{'id'},'id');
}
return ('fail',$userchkmsg);
}
}
}
return;
}
sub invalid_state {
my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
if ($error eq 'baduseremail') {
$msg = &mt('The e-mail address you provided does not appear to be a valid address.');
} elsif ($error eq 'existinguser') {
$msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
} elsif ($error eq 'userrules') {
$msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
} elsif ($error eq 'userformat') {
$msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
} elsif ($error eq 'captcha') {
$msg = &mt('Validation of the code your entered failed.');
} elsif ($error eq 'noemails') {
$msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
}
$msg .= '</span>';
if ($msgtext) {
$msg .= '<br />'.$msgtext;
}
$msg .= &linkto_email_help($contact_email,$domdesc);
return $msg;
}
sub linkto_email_help {
my ($contact_email,$domdesc) = @_;
my $msg;
if ($contact_email ne '') {
my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
$msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
} else {
$msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
}
return $msg;
}
sub create_captcha {
my ($output_dir,$db_dir) = @_;
my %captcha_params = &captcha_settings();
my ($output,$maxtries,$tries) = ('',10,0);
while ($tries < $maxtries) {
$tries ++;
my $captcha = Authen::Captcha->new (
output_folder => $captcha_params{'output_dir'},
data_folder => $captcha_params{'db_dir'},
);
my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
$output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
&mt('Type in the letters/numbers shown below').' '.
'<input type="text" size="5" name="code" value="" /><br />'.
'<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
last;
}
}
return $output;
}
sub captcha_settings {
my %captcha_params = (
output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
www_output_dir => "/captchaspool",
db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
numchars => '5',
);
return %captcha_params;
}
sub getkeys {
my ($lkey,$ukey) = @_;
my $lextkey=hex($lkey);
if ($lextkey>2147483647) { $lextkey-=4294967296; }
my $uextkey=hex($ukey);
if ($uextkey>2147483647) { $uextkey-=4294967296; }
return ($lextkey,$uextkey);
}
sub serverform {
my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
my $phase = 'username_validation';
my $catalog_elements;
if ($context eq 'selfenroll') {
$phase = 'selfenroll_login';
}
if ($courseid ne '') {
$catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
}
my $output = <<ENDSERVERFORM;
<form name="server" method="post" action="/adm/createaccount">
<input type="hidden" name="logtoken" value="$logtoken" />
<input type="hidden" name="token" value="$mailtoken" />
<input type="hidden" name="serverid" value="$lonhost" />
<input type="hidden" name="uname" value="" />
<input type="hidden" name="upass" value="" />
<input type="hidden" name="udom" value="" />
<input type="hidden" name="phase" value="$phase" />
<input type="hidden" name="courseid" value="$courseid" />
$catalog_elements
</form>
ENDSERVERFORM
return $output;
}
sub process_credentials {
my ($logtoken,$lonhost) = @_;
my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
my ($retrieved,$output,$upass);
if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
$output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
.'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
return ($retrieved,$output,$upass);
} else {
my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
if ($reply eq 'ok') {
$retrieved = 'ok';
} else {
$output = &mt('Session could not be opened.');
}
}
my ($key,$caller)=split(/&/,$tmpinfo);
if ($caller eq 'createaccount') {
$upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
} else {
$output = &mt('Unable to retrieve your log-in information - unexpected context');
}
return ($retrieved,$output,$upass);
}
sub guest_format_check {
my ($useremail,$domain,$cancreate,$settings) = @_;
my ($login,$format_match,$format_msg,@user_rules);
if (ref($settings) eq 'HASH') {
if (ref($settings->{'email_rule'}) eq 'ARRAY') {
push(@user_rules,@{$settings->{'email_rule'}});
}
}
if (@user_rules > 0) {
my %rule_check =
&Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
'selfcreate',\@user_rules);
if (keys(%rule_check) > 0) {
foreach my $item (keys(%rule_check)) {
if ($rule_check{$item}) {
$format_match = 1;
last;
}
}
}
}
if ($format_match) {
($login) = ($useremail =~ /^([^\@]+)\@/);
$format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
if (ref($cancreate) eq 'ARRAY') {
if (grep(/^login$/,@{$cancreate})) {
$format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
}
}
}
return $format_msg;
}
sub sso_logout_frag {
my ($r,$domain) = @_;
my $endsessionmsg;
if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
if (-e $msgfile) {
open(my $fh,"<$msgfile");
$endsessionmsg = join('',<$fh>);
close($fh);
}
} elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
if (-e $msgfile) {
open(my $fh,"<$msgfile");
$endsessionmsg = join('',<$fh>);
close($fh);
}
}
return $endsessionmsg;
}
sub catreturn_js {
return <<"ENDSCRIPT";
<script type="text/javascript">
function ToSelfenroll(formname) {
var formidx = getFormByName(formname);
if (formidx > -1) {
document.forms[formidx].action = '/adm/selfenroll';
numidx = getIndexByName(formidx,'phase');
if (numidx > -1) {
document.forms[formidx].elements[numidx].value = '';
}
numidx = getIndexByName(formidx,'context');
if (numidx > -1) {
document.forms[formidx].elements[numidx].value = '';
}
}
document.forms[formidx].submit();
}
function ToCatalog(formname,caller) {
var formidx = getFormByName(formname);
if (formidx > -1) {
document.forms[formidx].action = '/adm/coursecatalog';
numidx = getIndexByName(formidx,'coursenum');
if (numidx > -1) {
if (caller != 'details') {
document.forms[formidx].elements[numidx].value = '';
}
}
}
document.forms[formidx].submit();
}
function getIndexByName(formidx,item) {
for (var i=0;i<document.forms[formidx].elements.length;i++) {
if (document.forms[formidx].elements[i].name == item) {
return i;
}
}
return -1;
}
function getFormByName(item) {
for (var i=0; i<document.forms.length; i++) {
if (document.forms[i].name == item) {
return i;
}
}
return -1;
}
</script>
ENDSCRIPT
}
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