Annotation of loncom/interface/createaccount.pm, revision 1.40.2.5.2.13
1.1 raeburn 1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth
4: # or kerberos) or an e-mail address.
5: #
1.40.2.5.2.13! (raeburn 6:: # $Id: createaccount.pm,v 1.40.2.5.2.12 2012/03/01 01:11:29 raeburn Exp $
1.1 raeburn 7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
1.12 raeburn 38: use Apache::lonhtmlcommon;
1.1 raeburn 39: use Apache::lonlocal;
1.3 raeburn 40: use Apache::lonauth;
1.1 raeburn 41: use Apache::resetpw;
1.40.2.5.2.1 raeburn 42: use Captcha::reCAPTCHA;
1.1 raeburn 43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
1.3 raeburn 45: use LONCAPA qw(:DEFAULT :match);
1.8 raeburn 46: use HTML::Entities;
1.1 raeburn 47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
1.22 raeburn 55:
1.5 raeburn 56: my $domain;
1.3 raeburn 57:
1.5 raeburn 58: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
1.40.2.5.2.7 raeburn 60: my $privkey = $r->dir_config('reCAPTCHA_PRIVATE');
61: my $pubkey = $r->dir_config('reCAPTCHA_PUBLIC');
1.5 raeburn 62:
1.27 raeburn 63: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
64: &Apache::lonacc::get_posted_cgi($r);
65: &Apache::lonlocal::get_language_handle($r);
66:
1.5 raeburn 67: if ($sso_username ne '' && $sso_domain ne '') {
68: $domain = $sso_domain;
1.27 raeburn 69: } else {
1.5 raeburn 70: $domain = &Apache::lonnet::default_login_domain();
1.27 raeburn 71: if (defined($env{'form.courseid'})) {
72: if (&validate_course($env{'form.courseid'})) {
73: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
74: $domain = $1;
75: }
76: }
77: }
1.5 raeburn 78: }
1.1 raeburn 79: my $domdesc = &Apache::lonnet::domain($domain,'description');
80: my $contact_name = &mt('LON-CAPA helpdesk');
1.15 raeburn 81: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
82: my $contacts =
83: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
84: $domain,$origmail);
85: my ($contact_email) = split(',',$contacts);
1.1 raeburn 86: my $lonhost = $r->dir_config('lonHostID');
87: my $include = $r->dir_config('lonIncludes');
1.4 raeburn 88: my $start_page;
1.3 raeburn 89:
90: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.30 raeburn 91: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
1.4 raeburn 92: $start_page =
1.3 raeburn 93: &Apache::loncommon::start_page('Already logged in');
94: my $end_page =
95: &Apache::loncommon::end_page();
96: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
1.33 hauer 97: '<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>').
1.6 bisitz 98: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
1.20 raeburn 99: return OK;
100: }
101:
1.22 raeburn 102: my ($js,$courseid,$title);
1.20 raeburn 103: if (defined($env{'form.courseid'})) {
104: $courseid = &validate_course($env{'form.courseid'});
1.40.2.5.2.13! (raeburn 105:: if ($courseid eq 'relate_3H121116c19344ff3relatel1') {
! 106:: $courseid = 'relate_3e100973b27484f2drelatel1';
! 107:: }
1.3 raeburn 108: }
1.22 raeburn 109: if ($courseid ne '') {
110: $js = &catreturn_js();
111: $title = 'Self-enroll in a LON-CAPA course';
112: } else {
113: $title = 'Create a user account in LON-CAPA';
114: }
1.20 raeburn 115: if ($env{'form.phase'} eq 'selfenroll_login') {
1.22 raeburn 116: $title = 'Self-enroll in a LON-CAPA course';
1.4 raeburn 117: if ($env{'form.udom'} ne '') {
118: $domain = $env{'form.udom'};
119: }
1.35 raeburn 120:
121: my %domconfig =
122: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
123: my ($cancreate,$statustocreate) =
124: &get_creation_controls($domain,$domconfig{'usercreation'});
125:
1.20 raeburn 126: my ($result,$output) =
127: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
128: $contact_name,$contact_email,$courseid,
1.35 raeburn 129: $lonhost,$statustocreate);
1.20 raeburn 130: if ($result eq 'existingaccount') {
131: $r->print($output);
1.22 raeburn 132: &print_footer($r);
1.20 raeburn 133: return OK;
134: } else {
135: $start_page =
1.40.2.1 raeburn 136: &Apache::loncommon::start_page($title,$js,
137: {'no_inline_link' => 1,});
1.22 raeburn 138: &print_header($r,$start_page,$courseid);
139: $r->print($output);
140: &print_footer($r);
1.20 raeburn 141: return OK;
142: }
1.4 raeburn 143: }
1.20 raeburn 144: $start_page =
1.40.2.1 raeburn 145: &Apache::loncommon::start_page($title,$js,
146: {'no_inline_link' => 1,});
1.35 raeburn 147: my %domconfig =
148: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
149: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
150: if (@{$cancreate} == 0) {
1.22 raeburn 151: &print_header($r,$start_page,$courseid);
1.14 raeburn 152: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
153: '<span class="LC_warning">'.
1.40.2.5.2.1 raeburn 154: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for [_1].',$domdesc).'</span><br /><br />';
1.3 raeburn 155: $r->print($output);
1.22 raeburn 156: &print_footer($r);
1.3 raeburn 157: return OK;
158: }
159:
1.5 raeburn 160: if ($sso_username ne '') {
1.22 raeburn 161: &print_header($r,$start_page,$courseid);
1.18 raeburn 162: my ($msg,$sso_logout);
163: $sso_logout = &sso_logout_frag($r,$domain);
1.35 raeburn 164: if (grep(/^sso$/,@{$cancreate})) {
1.14 raeburn 165: $msg = '<h3>'.&mt('Account creation').'</h3>'.
1.17 raeburn 166: &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 />';
167:
1.18 raeburn 168: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
1.35 raeburn 169: $lonhost,$contact_email,$contact_name,
170: $sso_logout,$statustocreate);
1.5 raeburn 171: } else {
1.17 raeburn 172: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
173: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
1.18 raeburn 174: $sso_logout;
1.5 raeburn 175: }
1.17 raeburn 176: $r->print($msg);
1.22 raeburn 177: &print_footer($r);
1.5 raeburn 178: return OK;
179: }
180:
1.4 raeburn 181: my ($output,$nostart,$noend);
1.3 raeburn 182: my $token = $env{'form.token'};
183: if ($token) {
184: ($output,$nostart,$noend) =
185: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
1.4 raeburn 186: $domdesc,$lonhost,$include,$start_page);
1.3 raeburn 187: if ($nostart) {
188: if ($noend) {
189: return OK;
190: } else {
191: $r->print($output);
1.22 raeburn 192: &print_footer($r);
1.3 raeburn 193: return OK;
194: }
195: } else {
1.22 raeburn 196: &print_header($r,$start_page,$courseid);
1.3 raeburn 197: $r->print($output);
1.22 raeburn 198: &print_footer($r);
1.3 raeburn 199: return OK;
200: }
201: }
202:
203: if ($env{'form.phase'} eq 'username_activation') {
204: (my $result,$output,$nostart) =
205: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
206: $lonhost,$courseid);
207: if ($result eq 'ok') {
208: if ($nostart) {
209: return OK;
210: }
211: }
1.22 raeburn 212: &print_header($r,$start_page,$courseid);
1.3 raeburn 213: $r->print($output);
1.22 raeburn 214: &print_footer($r);
1.3 raeburn 215: return OK;
1.19 raeburn 216: } elsif ($env{'form.phase'} eq 'username_validation') {
217: (my $result,$output) =
218: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
219: $contact_name,$contact_email,$courseid,
1.35 raeburn 220: $lonhost,$statustocreate);
1.19 raeburn 221: if ($result eq 'existingaccount') {
222: $r->print($output);
1.22 raeburn 223: &print_footer($r);
1.19 raeburn 224: return OK;
225: } else {
1.22 raeburn 226: &print_header($r,$start_page,$courseid);
1.19 raeburn 227: }
228: } elsif ($env{'form.create_with_email'}) {
1.22 raeburn 229: &print_header($r,$start_page,$courseid);
1.1 raeburn 230: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
1.35 raeburn 231: $contact_name,$contact_email,$cancreate,
1.3 raeburn 232: $lonhost,$domconfig{'usercreation'},
1.40.2.5.2.6 raeburn 233: $courseid,$privkey);
1.3 raeburn 234: } elsif (!$token) {
1.22 raeburn 235: &print_header($r,$start_page,$courseid);
1.1 raeburn 236: my $now=time;
1.35 raeburn 237: if (grep(/^login$/,@{$cancreate})) {
1.1 raeburn 238: my $jsh=Apache::File->new($include."/londes.js");
239: $r->print(<$jsh>);
240: $r->print(&javascript_setforms($now));
241: }
1.35 raeburn 242: if (grep(/^email$/,@{$cancreate})) {
1.12 raeburn 243: $r->print(&javascript_validmail());
244: }
1.35 raeburn 245: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
1.40.2.5.2.6 raeburn 246: $courseid,$pubkey);
1.1 raeburn 247: }
248: $r->print($output);
1.22 raeburn 249: &print_footer($r);
1.1 raeburn 250: return OK;
251: }
252:
1.40.2.5.2.1 raeburn 253: sub get_custom_name {
254: my ($domain) = @_;
255: if ($domain eq 'relate') {
1.40.2.5.2.4 raeburn 256: return 'Mechanics Online';
1.40.2.5.2.1 raeburn 257: } else {
258: return lc($domain);
259: }
260: }
261:
1.3 raeburn 262: sub print_header {
1.22 raeburn 263: my ($r,$start_page,$courseid) = @_;
1.3 raeburn 264: $r->print($start_page);
265: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.22 raeburn 266: if ($courseid ne '') {
267: my %coursehash = &Apache::lonnet::coursedescription($courseid);
268: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
269: }
1.3 raeburn 270: &Apache::lonhtmlcommon::add_breadcrumb
271: ({href=>"/adm/createuser",
272: text=>"New username"});
273: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
274: return;
275: }
276:
1.22 raeburn 277: sub print_footer {
278: my ($r) = @_;
279: if ($env{'form.courseid'} ne '') {
280: $r->print('<form name="backupcrumbs" method="post" action="">'.
281: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
282: 'token','serverid','uname','upass','phase','create_with_email',
283: 'code','useremail','crypt','cfirstname','clastname',
1.23 raeburn 284: 'cmiddlename','cgeneration','cpermanentemail','cid']).
1.22 raeburn 285: '</form>');
286: }
287: $r->print(&Apache::loncommon::end_page());
288: }
289:
290: sub selfenroll_crumbs {
291: my ($r,$courseid,$desc) = @_;
292: &Apache::lonhtmlcommon::add_breadcrumb
293: ({href=>"javascript:ToCatalog('backupcrumbs','')",
1.37 bisitz 294: text=>"Course/Community Catalog"});
1.22 raeburn 295: if ($env{'form.coursenum'} ne '') {
296: &Apache::lonhtmlcommon::add_breadcrumb
297: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
298: text=>"Course details"});
299: }
300: my $last_crumb;
301: if ($desc ne '') {
1.40.2.3 raeburn 302: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
1.22 raeburn 303: } else {
304: $last_crumb = &mt('Self-enroll');
305: }
306: &Apache::lonhtmlcommon::add_breadcrumb
307: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
308: text=>$last_crumb,
309: no_mt=>"1"});
310: return;
311: }
312:
1.3 raeburn 313: sub validate_course {
314: my ($courseid) = @_;
315: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
316: if (($cdom ne '') && ($cnum ne '')) {
317: if (&Apache::lonnet::is_course($cdom,$cnum)) {
318: return ($courseid);
319: }
320: }
321: return;
322: }
323:
1.1 raeburn 324: sub javascript_setforms {
325: my ($now) = @_;
326: my $js = <<ENDSCRIPT;
1.32 raeburn 327: <script type="text/javascript" language="JavaScript">
1.1 raeburn 328: function send() {
329: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
1.32 raeburn 330: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
1.1 raeburn 331: uextkey=this.document.client.elements.uextkey.value;
332: lextkey=this.document.client.elements.lextkey.value;
333: initkeys();
334:
335: this.document.server.elements.upass.value
336: = crypted(this.document.client.elements.upass$now.value);
337:
338: this.document.client.elements.uname.value='';
339: this.document.client.elements.upass$now.value='';
340:
341: this.document.server.submit();
342: return false;
343: }
344: </script>
345: ENDSCRIPT
346: return $js;
347: }
348:
349: sub javascript_checkpass {
350: my ($now) = @_;
1.7 bisitz 351: my $nopass = &mt('You must enter a password.');
1.1 raeburn 352: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
353: &mt('Please try again.');
354: my $js = <<"ENDSCRIPT";
355: <script type="text/javascript" language="JavaScript">
356: function checkpass() {
357: var upass = this.document.client.elements.upass$now.value;
358: var upasscheck = this.document.client.elements.upasscheck$now.value;
359: if (upass == '') {
360: alert("$nopass");
1.32 raeburn 361: return false;
1.1 raeburn 362: }
363: if (upass == upasscheck) {
364: this.document.client.elements.upasscheck$now.value='';
365: send();
1.32 raeburn 366: return false;
1.1 raeburn 367: } else {
368: alert("$mismatchpass");
1.32 raeburn 369: return false;
370: }
1.1 raeburn 371: }
372: </script>
373: ENDSCRIPT
374: return $js;
375: }
376:
1.12 raeburn 377: sub javascript_validmail {
378: my %lt = &Apache::lonlocal::texthash (
379: email => 'The e-mail address you entered',
380: notv => 'is not a valid e-mail address',
381: );
382: my $output = "\n".'<script type="text/javascript">'."\n".
383: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
384: $output .= <<"ENDSCRIPT";
385: function validate_email() {
386: field = document.createaccount.useremail;
387: if (validmail(field) == false) {
388: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
389: return false;
1.40.2.5.2.1 raeburn 390: } else {
391: var emailaddr = field.value;
392: var lcemail = emailaddr.toLowerCase();
393: if (emailaddr != lcemail) {
394: field.value = lcemail;
1.40.2.5.2.4 raeburn 395: alert("Mechanics Online usernames are all lower case.\\nAccordingly your username will be "+lcemail+" once activated.");
1.40.2.5.2.1 raeburn 396: }
1.12 raeburn 397: }
398: return true;
399: }
400: ENDSCRIPT
401: $output .= "\n".'</script>'."\n";
402: return $output;
403: }
404:
1.1 raeburn 405: sub print_username_form {
1.40.2.5.2.6 raeburn 406: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid,$pubkey) = @_;
1.40.2.5.2.5 raeburn 407: my %lt = &Apache::lonlocal::texthash (
408: unam => 'username',
409: udom => 'domain',
410: uemail => 'E-mail address in LON-CAPA',
411: proc => 'Proceed',
412: crea => 'Create account with a username provided by this institution',
413: crlc => 'Create LON-CAPA account',
414: type => 'Type in your log-in ID and password to find out.',
415: plse => 'Please enter a valid e-mail address below.',
416: inst => 'Instructions on how to activate your account will be sent to the e-mail address you provide.',
417: aftr => 'After completing the activation process you will have access to a "self test" that will help you assess your readiness for the course.',
1.40.2.5.2.8 raeburn 418: thes => 'The same account will be used for access to the Mechanics Online course, once it becomes available on March 1, 2012.',
1.40.2.5.2.5 raeburn 419: );
1.1 raeburn 420: my $output;
1.5 raeburn 421: if (ref($cancreate) eq 'ARRAY') {
422: if (grep(/^login$/,@{$cancreate})) {
423: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
424: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
1.40.2.5.2.5 raeburn 425: $output = '<div class="LC_left_float"><h3>'.$lt{'crea'}.'</h3>';
426: my $submit_text = $lt{'crlc'};
427: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').
428: '<br /><br />'.$lt{'type'}.'<br /><br />';
1.20 raeburn 429: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
1.22 raeburn 430: $domain,'createaccount').'</div>';
1.5 raeburn 431: }
432: }
433: if (grep(/^email$/,@{$cancreate})) {
1.40.2.5.2.2 raeburn 434: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>'.
1.40.2.5.2.8 raeburn 435: '<p class="LC_info">'.
436: &mt('You are about to sign-up for the [_1]Mechanics Online[_2] course.','<em>','</em>').'<br />'.
437: $lt{'plse'}.'</p><ul>'.
438: '<li>'.$lt{'inst'}.'</li>'.
439: '<li>'.$lt{'aftr'}.'</li>'.
440: '<li>'.$lt{'thes'}.'</li></ul>';
1.40.2.5.2.6 raeburn 441: my $captchaform = &create_recaptcha($pubkey);
1.28 raeburn 442: if ($captchaform) {
1.40.2.5.2.2 raeburn 443: my $submit_text = &mt('Sign-up');
1.28 raeburn 444: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
445: if (grep(/^login$/,@{$cancreate})) {
1.40.2.5.2.5 raeburn 446: $output .= &mt('Provide your e-mail address to sign up for a Mechanics Online account [_1]if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
1.28 raeburn 447: } else {
448: $output .= '<br />';
449: }
1.40.2.5 raeburn 450: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
1.28 raeburn 451: &Apache::lonhtmlcommon::start_pick_box()."\n".
452: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
453: 'LC_pick_box_title')."\n".
454: $emailform."\n".
455: &Apache::lonhtmlcommon::row_closure(1).
456: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
457: 'LC_pick_box_title')."\n".
1.40.2.5.2.1 raeburn 458: $captchaform."\n".
459: &mt('If either word is hard to read, [_1] will replace them.','<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').'<br /><br />';
1.28 raeburn 460: if ($courseid ne '') {
461: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
462: }
1.32 raeburn 463: $output .= &Apache::lonhtmlcommon::row_closure(1).
464: &Apache::lonhtmlcommon::row_title().'<br />'.
465: '<input type="submit" name="create_with_email" value="'.
1.28 raeburn 466: $submit_text.'" />'.
467: &Apache::lonhtmlcommon::row_closure(1).
468: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
469: if ($courseid ne '') {
470: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
471: }
472: $output .= '</form>';
1.5 raeburn 473: } else {
1.28 raeburn 474: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
475: if ($courseid ne '') {
476: $helpdesk .= '&courseid='.$courseid;
477: }
478: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
1.5 raeburn 479: }
1.28 raeburn 480: $output .= '</div>';
1.3 raeburn 481: }
1.1 raeburn 482: }
483: if ($output eq '') {
1.16 raeburn 484: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
1.1 raeburn 485: } else {
486: $output .= '<div class="LC_clear_float_footer"></div>';
487: }
488: return $output;
489: }
490:
1.20 raeburn 491: sub login_box {
492: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
493: my $output;
494: my %titles = &Apache::lonlocal::texthash(
495: createaccount => 'Log-in ID',
496: selfenroll => 'Username',
497: );
498: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
499: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
1.40.2.2 raeburn 500: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
1.20 raeburn 501: $lonhost);
502: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
1.32 raeburn 503: my $unameform = '<input type="text" name="uname" size="20" value="" />';
504: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
1.40.2.5 raeburn 505: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
1.40.2.5.2.1 raeburn 506: '<input type="hidden" name="udom" value="'.$domain.'" />'.
1.32 raeburn 507: &Apache::lonhtmlcommon::start_pick_box()."\n".
508: &Apache::lonhtmlcommon::row_title($titles{$context},
1.31 bisitz 509: 'LC_pick_box_title')."\n".
510: $unameform."\n".
511: &Apache::lonhtmlcommon::row_closure(1)."\n".
512: &Apache::lonhtmlcommon::row_title(&mt('Password'),
513: 'LC_pick_box_title')."\n".
1.40.2.5.2.1 raeburn 514: $upassform.
515: &Apache::lonhtmlcommon::row_closure(1).
1.31 bisitz 516: &Apache::lonhtmlcommon::row_title().
1.32 raeburn 517: '<br /><input type="submit" name="username_validation" value="'.
518: $submit_text.'" />'."\n";
519: if ($context eq 'selfenroll') {
520: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
521: '<span class="LC_fontsize_medium">'.
522: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
523: '</span></td></tr></table>'."\n";
524: }
525: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
526: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
1.34 bisitz 527: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
528: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
1.22 raeburn 529: '</form>';
1.20 raeburn 530: return $output;
531: }
532:
1.1 raeburn 533: sub process_email_request {
534: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
1.40.2.5.2.6 raeburn 535: $server,$settings,$courseid,$privkey) = @_;
1.40.2.5.2.1 raeburn 536: $useremail = lc($env{'form.useremail'});
1.1 raeburn 537: my $output;
1.5 raeburn 538: if (ref($cancreate) eq 'ARRAY') {
539: if (!grep(/^email$/,@{$cancreate})) {
540: $output = &invalid_state('noemails',$domdesc,
541: $contact_name,$contact_email);
542: return $output;
543: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
544: $output = &invalid_state('baduseremail',$domdesc,
1.1 raeburn 545: $contact_name,$contact_email);
546: return $output;
547: } else {
1.5 raeburn 548: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
549: if ($uhome ne 'no_host') {
550: $output = &invalid_state('existinguser',$domdesc,
1.40.2.5.2.1 raeburn 551: $contact_name,$contact_email,'',$useremail);
1.1 raeburn 552: return $output;
1.5 raeburn 553: } else {
1.40.2.5.2.1 raeburn 554: my $captcha = Captcha::reCAPTCHA->new;
555: my $captcha_result =
556: $captcha->check_answer(
1.40.2.5.2.6 raeburn 557: $privkey,
1.40.2.5.2.1 raeburn 558: $ENV{'REMOTE_ADDR'},
559: $env{'form.recaptcha_challenge_field'},
560: $env{'form.recaptcha_response_field'},
561: );
1.40.2.5.2.3 raeburn 562: # PRIVATE key from https://www.google.com/recaptcha
1.40.2.5.2.1 raeburn 563: if (!$captcha_result->{is_valid}) {
1.5 raeburn 564: $output = &invalid_state('captcha',$domdesc,$contact_name,
1.40.2.5.2.1 raeburn 565: $contact_email);
566:
1.5 raeburn 567: return $output;
568: }
569: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
570: if ($uhome eq 'no_host') {
1.23 raeburn 571: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
572: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
1.40 raeburn 573: \%inst_results,\%curr_rules,\%got_rules,'username');
1.23 raeburn 574: if (ref($alerts{'username'}) eq 'HASH') {
575: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1.5 raeburn 576: if ($alerts{'username'}{$domain}{$useremail}) {
577: $output = &invalid_state('userrules',$domdesc,
578: $contact_name,$contact_email);
579: return $output;
580: }
1.1 raeburn 581: }
582: }
1.5 raeburn 583: my $format_msg =
584: &guest_format_check($useremail,$domain,$cancreate,
585: $settings);
586: if ($format_msg) {
587: $output = &invalid_state('userformat',$domdesc,$contact_name,
588: $contact_email,$format_msg);
589: return $output;
590: }
1.1 raeburn 591: }
592: }
593: }
1.5 raeburn 594: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
595: $contact_email,$courseid);
1.1 raeburn 596: }
597: return $output;
598: }
599:
1.23 raeburn 600: sub call_rulecheck {
601: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
602: $got_rules,$tocheck) = @_;
603: my ($checkhash,$checks);
604: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
605: if ($tocheck eq 'username') {
606: $checks = { 'username' => 1 };
607: }
608: &Apache::loncommon::user_rule_check($checkhash,$checks,
609: $alerts,$rulematch,$inst_results,$curr_rules,
610: $got_rules);
611: return;
612: }
613:
1.1 raeburn 614: sub send_token {
1.3 raeburn 615: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.14 raeburn 616: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
1.40.2.5.2.10 (raeburn 617:: &mt('Thank you for your request to create a new Mechanics Online account.').
1.14 raeburn 618: '<br /><br />';
1.1 raeburn 619: my $now = time;
620: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
621: 'time' => $now,
622: 'domain' => $domain,
1.3 raeburn 623: 'username' => $email,
624: 'courseid' => $courseid);
1.40.2.2 raeburn 625: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
1.1 raeburn 626: if ($token !~ /^error/ && $token ne 'no_such_host') {
627: my $esc_token = &escape($token);
1.40.2.5.2.9 raeburn 628: my $mailsubj = &mt('Your Mechanics Online Course Account');
629: my $msgfrom = &mt('Mechanics Online Course Staff');
630: my $mailmsg = &mt('Greetings.')."\n\n".
631: &mt('Thank you for your interest in our Online Mechanics Course.').
632: ' '.
633: &mt('In order to complete the registration process, please open the following link in your web browser:').
634: "\n\n".
1.40.2.5.2.10 (raeburn 635:: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token.
1.40.2.5.2.9 raeburn 636: "\n\n".
637: &mt('This link will take you to a sign-up page where you will be asked to provide some general information and finalize the registration process.').
638: ' '.
1.40.2.5.2.11 (raeburn 639:: &mt('A self-test (for review) is available within the course, for you to test your level of preparation.').
1.40.2.5.2.9 raeburn 640: "\n\n".
641: &mt('Best Regards,').
642: "\n\n".
643: &mt('RELATE Group')."\n";
644:
645: my $result = &Apache::resetpw::send_mail('MIT',$email,$mailmsg,
646: $msgfrom,$contact_email,
647: $mailsubj);
1.1 raeburn 648: if ($result eq 'ok') {
1.40.2.5.2.2 raeburn 649: $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 sign-up process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
1.1 raeburn 650: } else {
1.14 raeburn 651: $msg .= '<span class="LC_error">'.
652: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
653: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 654: }
655: } else {
1.14 raeburn 656: $msg .= '<span class="LC_error">'.
657: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
658: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 659: }
660: return $msg;
661: }
662:
663: sub process_mailtoken {
1.3 raeburn 664: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
665: $include,$start_page) = @_;
666: my ($msg,$nostart,$noend);
1.1 raeburn 667: my %data = &Apache::lonnet::tmpget($token);
668: my $now = time;
669: if (keys(%data) == 0) {
1.9 raeburn 670: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
671: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
672: .' '.&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>');
1.1 raeburn 673: return $msg;
674: }
675: if (($data{'time'} =~ /^\d+$/) &&
676: ($data{'domain'} ne '') &&
677: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
678: if ($now - $data{'time'} < 7200) {
679: if ($env{'form.phase'} eq 'createaccount') {
1.3 raeburn 680: my ($result,$output) = &create_account($r,$domain,$lonhost,
1.1 raeburn 681: $data{'username'},$domdesc);
682: if ($result eq 'ok') {
683: $msg = $output;
1.17 raeburn 684: my $shownow = &Apache::lonlocal::locallocaltime($now);
1.40.2.5.2.1 raeburn 685: my $mailmsg = &mt('A [_1] account has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
1.1 raeburn 686: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
687: $mailmsg,$contact_name,
688: $contact_email);
689: if ($mailresult eq 'ok') {
690: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
691: } else {
692: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
693: }
1.3 raeburn 694: my %form = &start_session($r,$data{'username'},$domain,
695: $lonhost,$data{'courseid'},
696: $token);
697: $nostart = 1;
698: $noend = 1;
1.1 raeburn 699: } else {
1.7 bisitz 700: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
701: .'<br />'.$output
702: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
703: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 704: }
1.3 raeburn 705: my $delete = &Apache::lonnet::tmpdel($token);
1.1 raeburn 706: } else {
1.3 raeburn 707: $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 />';
708: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
709: $nostart = 1;
1.1 raeburn 710: }
711: } else {
1.7 bisitz 712: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
713: .' '.&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>');
1.4 raeburn 714: }
1.1 raeburn 715: } else {
1.7 bisitz 716: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
717: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
1.1 raeburn 718: }
1.3 raeburn 719: return ($msg,$nostart,$noend);
720: }
721:
722: sub start_session {
723: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
724: my %form = (
725: uname => $username,
726: udom => $domain,
727: );
728: my $firsturl = '/adm/roles';
729: if (defined($courseid)) {
730: $courseid = &validate_course($courseid);
731: if ($courseid ne '') {
732: $form{'courseid'} = $courseid;
1.22 raeburn 733: $firsturl = '/adm/selfenroll?courseid='.$courseid;
1.3 raeburn 734: }
735: }
736: if ($r->dir_config('lonBalancer') eq 'yes') {
737: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
738: $lonhost,'noredirect',undef,\%form);
1.19 raeburn 739: if ($token ne '') {
740: my $delete = &Apache::lonnet::tmpdel($token);
741: }
1.3 raeburn 742: $r->internal_redirect('/adm/switchserver');
743: } else {
744: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
745: $lonhost,$firsturl,undef,\%form);
746: }
747: return %form;
1.1 raeburn 748: }
749:
1.3 raeburn 750:
1.1 raeburn 751: sub print_dataentry_form {
1.3 raeburn 752: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
1.1 raeburn 753: my ($error,$output);
1.3 raeburn 754: &print_header($r,$start_page);
1.1 raeburn 755: if (open(my $jsh,"<$include/londes.js")) {
756: while(my $line = <$jsh>) {
757: $r->print($line);
758: }
759: close($jsh);
1.3 raeburn 760: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
1.1 raeburn 761: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
762: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
1.40.2.2 raeburn 763: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
1.1 raeburn 764: $lonhost);
1.32 raeburn 765: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
766: my ($datatable,$rowcount) =
767: &Apache::loncreateuser::personal_data_display($username,$domain,
768: 'email','selfcreate');
769: if ($rowcount) {
770: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
771: } else {
772: $output .= $formtag;
1.1 raeburn 773: }
774: $output .= <<"ENDSERVERFORM";
775: <input type="hidden" name="logtoken" value="$logtoken" />
776: <input type="hidden" name="token" value="$mailtoken" />
777: <input type="hidden" name="serverid" value="$lonhost" />
778: <input type="hidden" name="uname" value="" />
779: <input type="hidden" name="upass" value="" />
1.32 raeburn 780: <input type="hidden" name="udom" value="" />
1.1 raeburn 781: <input type="hidden" name="phase" value="createaccount" />
1.32 raeburn 782: </form>
1.1 raeburn 783: ENDSERVERFORM
1.32 raeburn 784: if ($rowcount) {
785: $output .= '</div>'.
786: '<div class="LC_left_float">';
787: }
1.1 raeburn 788: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
789: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
790: my $submit_text = &mt('Create LON-CAPA account');
1.32 raeburn 791: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
1.40.2.5 raeburn 792: '<form name="client" method="post" action="" '.
1.32 raeburn 793: 'onsubmit="return checkpass();">'."\n".
1.1 raeburn 794: &Apache::lonhtmlcommon::start_pick_box()."\n".
795: &Apache::lonhtmlcommon::row_title(&mt('Username'),
1.32 raeburn 796: 'LC_pick_box_title',
797: 'LC_oddrow_value')."\n".
1.1 raeburn 798: $username."\n".
799: &Apache::lonhtmlcommon::row_closure(1)."\n".
800: &Apache::lonhtmlcommon::row_title(&mt('Password'),
1.32 raeburn 801: 'LC_pick_box_title',
802: 'LC_oddrow_value')."\n".
1.1 raeburn 803: $upassone."\n".
804: &Apache::lonhtmlcommon::row_closure(1)."\n".
805: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
1.32 raeburn 806: 'LC_pick_box_title',
807: 'LC_oddrow_value')."\n".
808: $upasstwo.
809: &Apache::lonhtmlcommon::row_closure(1)."\n".
810: &Apache::lonhtmlcommon::row_title()."\n".
811: '<br /><input type="submit" name="createaccount" value="'.
812: $submit_text.'" />'.
1.1 raeburn 813: &Apache::lonhtmlcommon::row_closure(1)."\n".
814: &Apache::lonhtmlcommon::end_pick_box()."\n".
1.32 raeburn 815: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
816: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
817: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
818: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
819: '</form>';
820: if ($rowcount) {
821: $output .= '</div>'."\n".
822: '<div class="LC_clear_float_footer"></div>'."\n";
823: }
1.1 raeburn 824: } else {
1.7 bisitz 825: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
1.1 raeburn 826: }
1.3 raeburn 827: return $output;
1.1 raeburn 828: }
829:
1.35 raeburn 830: sub get_creation_controls {
831: my ($domain,$usercreation) = @_;
832: my (@cancreate,@statustocreate);
833: if (ref($usercreation) eq 'HASH') {
834: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
835: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
836: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
1.40.2.4 raeburn 837: if (@statustocreate == 0) {
838: my ($othertitle,$usertypes,$types) =
839: &Apache::loncommon::sorted_inst_types($domain);
840: if (ref($types) eq 'ARRAY') {
841: if (@{$types} == 0) {
842: @statustocreate = ('default');
843: }
844: } else {
845: @statustocreate = ('default');
846: }
847: }
1.35 raeburn 848: } else {
849: @statustocreate = ('default');
850: my ($othertitle,$usertypes,$types) =
851: &Apache::loncommon::sorted_inst_types($domain);
852: if (ref($types) eq 'ARRAY') {
853: push(@statustocreate,@{$types});
854: }
855: }
856: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
857: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
858: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
859: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
860: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
861: }
862: }
863: }
864: return (\@cancreate,\@statustocreate);
865: }
866:
1.1 raeburn 867: sub create_account {
1.3 raeburn 868: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
1.1 raeburn 869: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
870: $env{'form.serverid'});
871: # Error messages
1.7 bisitz 872: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 873: my $end = '</span><br /><br />';
874: my $rtnlink = '<a href="javascript:history.back();" />'.
875: &mt('Return to previous page').'</a>'.
876: &Apache::loncommon::end_page();
877: if ($retrieved eq 'ok') {
1.22 raeburn 878: if ($env{'form.courseid'} ne '') {
1.1 raeburn 879: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
880: if ($result eq 'fail') {
881: $output = $error.&mt('Invalid ID format').$end.
882: $userchkmsg.$rtnlink;
883: return ('fail',$output);
884: }
885: }
886: } else {
887: return ('fail',$error.$output.$end.$rtnlink);
888: }
889: # Call modifyuser
890: my $result =
891: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
892: 'internal',$upass,$env{'form.cfirstname'},
893: $env{'form.cmiddlename'},$env{'form.clastname'},
894: $env{'form.cgeneration'},undef,undef,$username);
1.7 bisitz 895: $output = &mt('Generating user: [_1]',$result);
1.1 raeburn 896: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1.7 bisitz 897: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1.1 raeburn 898: &Apache::lonnet::hostname($uhome).'<br /><br />';
899: return ('ok',$output);
900: }
901:
902: sub username_validation {
1.19 raeburn 903: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1.35 raeburn 904: $lonhost,$statustocreate) = @_;
1.1 raeburn 905: my ($retrieved,$output,$upass);
906:
907: $username= &LONCAPA::clean_username($username);
908: $domain = &LONCAPA::clean_domain($domain);
909: my $uhome = &Apache::lonnet::homeserver($username,$domain);
910:
911: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
912: $env{'form.serverid'});
1.19 raeburn 913: if ($retrieved ne 'ok') {
914: return ('fail',$output);
915: }
916: if ($uhome ne 'no_host') {
917: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
918: if ($result ne 'no_host') {
919: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
920: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
921: return ('existingaccount',$output);
922: } else {
1.22 raeburn 923: $output = &login_failure_msg($courseid);
1.19 raeburn 924: }
925: } else {
1.1 raeburn 926: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
927: my $authok;
928: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
929: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
930: my $checkdefauth = 1;
931: $authok =
932: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
933: } else {
934: $authok = 'non_authorized';
935: }
936: if ($authok eq 'authorized') {
1.18 raeburn 937: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1.35 raeburn 938: $contact_email,$contact_name,undef,
939: $statustocreate);
1.4 raeburn 940: } else {
1.22 raeburn 941: $output = &login_failure_msg($courseid);
1.4 raeburn 942: }
943: }
1.19 raeburn 944: return ('ok',$output);
1.4 raeburn 945: }
946:
1.22 raeburn 947: sub login_failure_msg {
948: my ($courseid) = @_;
949: my $url;
950: if ($courseid ne '') {
951: $url = "/adm/selfenroll?courseid=".$courseid;
952: } else {
953: $url = "/adm/createaccount";
954: }
955: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
956: &mt('Username and/or password could not be authenticated.').
957: '</div>'.
958: &mt('Please check the username and password.').'<br /><br />';
959: '<a href="'.$url.'">'.&mt('Try again').'</a>';
960: return $output;
961: }
962:
1.4 raeburn 963: sub username_check {
1.35 raeburn 964: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
965: $contact_name,$sso_logout,$statustocreate) = @_;
1.23 raeburn 966: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1.18 raeburn 967: %alerts,%curr_rules,%got_rules);
1.23 raeburn 968: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1.40 raeburn 969: \%inst_results,\%curr_rules,\%got_rules,'username');
1.4 raeburn 970: if (ref($alerts{'username'}) eq 'HASH') {
971: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
972: if ($alerts{'username'}{$domain}{$username}) {
973: if (ref($curr_rules{$domain}) eq 'HASH') {
1.18 raeburn 974: $output =
1.17 raeburn 975: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
976: 'selfcreate').
1.4 raeburn 977: &Apache::loncommon::user_rule_formats($domain,$domdesc,
978: $curr_rules{$domain}{'username'},'username');
1.1 raeburn 979: }
1.18 raeburn 980: $checkfail = 'username';
1.1 raeburn 981: }
1.4 raeburn 982: }
983: }
1.18 raeburn 984: if (!$checkfail) {
1.35 raeburn 985: if (ref($statustocreate) eq 'ARRAY') {
986: $checkfail = 'inststatus';
987: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
988: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
989: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
990: undef($checkfail);
991: last;
992: }
993: }
994: } elsif (grep(/^default$/,@{$statustocreate})) {
995: undef($checkfail);
996: }
997: }
998: }
999: if (!$checkfail) {
1.18 raeburn 1000: $output = '<form method="post" action="/adm/createaccount">';
1001: (my $datatable,$rowcount,$editable) =
1002: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1003: $inst_results{$username.':'.$domain});
1004: if ($rowcount > 0) {
1005: $output .= $datatable;
1006: }
1007: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1008: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1009: '<input type="hidden" name="phase" value="username_activation" />';
1010: my $now = time;
1011: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1012: 'time' => $now,
1013: 'domain' => $domain,
1014: 'username' => $username);
1.40.2.2 raeburn 1015: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1.18 raeburn 1016: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1017: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1018: } else {
1019: $output = &mt('An error occurred when storing a token').'<br />'.
1020: &mt('You will not be able to proceed to the next stage of account creation').
1021: &linkto_email_help($contact_email,$domdesc);
1022: $checkfail = 'authtoken';
1023: }
1024: }
1025: if ($checkfail) {
1.40.2.4 raeburn 1026: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1.18 raeburn 1027: if ($checkfail eq 'username') {
1028: $msg .= '<span class="LC_warning">'.
1029: &mt('A LON-CAPA account may not be created with the username you use.').
1030: '</span><br /><br />'.$output;
1031: } elsif ($checkfail eq 'authtoken') {
1032: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1033: '<br />'.$output;
1.35 raeburn 1034: } elsif ($checkfail eq 'inststatus') {
1035: $msg .= '<span class="LC_warning">'.
1036: &mt('You are not permitted to create a LON-CAPA account.').
1037: '</span><br /><br />'.$output;
1.18 raeburn 1038: }
1039: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1040: $contact_name,$contact_email).'<br /><hr />'.
1041: $sso_logout;
1042: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1.8 raeburn 1043: } else {
1.18 raeburn 1044: if ($courseid ne '') {
1045: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1046: }
1047: $output .= '<input type="submit" name="newaccount" value="'.
1048: &mt('Create LON-CAPA account').'" /></form>';
1049: if ($rowcount) {
1050: if ($editable) {
1.22 raeburn 1051: if ($courseid ne '') {
1.40.2.4 raeburn 1052: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1.22 raeburn 1053: }
1054: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1.18 raeburn 1055: } else {
1.22 raeburn 1056: if ($courseid ne '') {
1057: $msg = '<h4>'.&mt('Review user information').'</h4>';
1058: }
1059: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1.18 raeburn 1060: }
1061: } else {
1.22 raeburn 1062: if ($courseid ne '') {
1063: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1064: }
1065: $msg .= &mt('Confirm that you wish to create an account.');
1.18 raeburn 1066: }
1067: $msg .= $output;
1068: }
1069: return $msg;
1.1 raeburn 1070: }
1071:
1072: sub username_activation {
1.3 raeburn 1073: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1.1 raeburn 1074: my $output;
1.7 bisitz 1075: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 1076: my $end = '</span><br /><br />';
1077: my $rtnlink = '<a href="javascript:history.back();" />'.
1078: &mt('Return to previous page').'</a>'.
1079: &Apache::loncommon::end_page();
1080: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1.8 raeburn 1081: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1082: my $now = time;
1083: my $earlyout;
1084: my $timeout = 300;
1085: if (keys(%data) == 0) {
1086: $output = &mt('Sorry, your authentication has expired.');
1087: $earlyout = 'fail';
1088: }
1089: if (($data{'time'} !~ /^\d+$/) ||
1090: ($data{'domain'} ne $domain) ||
1091: ($data{'username'} ne $username)) {
1092: $earlyout = 'fail';
1093: $output = &mt('The credentials you provided could not be verified.');
1094: } elsif ($now - $data{'time'} > $timeout) {
1095: $earlyout = 'fail';
1096: $output = &mt('Sorry, your authentication has expired.');
1097: }
1098: if ($earlyout ne '') {
1099: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1100: return($earlyout,$output);
1101: }
1.3 raeburn 1102: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1103: ($domdefaults{'auth_arg_def'} ne '')) ||
1104: ($domdefaults{'auth_def'} eq 'localauth')) {
1.22 raeburn 1105: if ($env{'form.courseid'} ne '') {
1.1 raeburn 1106: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1107: if ($result eq 'fail') {
1108: $output = $error.&mt('Invalid ID format').$end.
1109: $userchkmsg.$rtnlink;
1110: return ('fail',$output);
1111: }
1112: }
1113: # Call modifyuser
1.23 raeburn 1114: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1115: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1.40 raeburn 1116: \%inst_results,\%curr_rules,\%got_rules);
1.23 raeburn 1117: my @userinfo = ('firstname','middlename','lastname','generation',
1118: 'permanentemail','id');
1119: my %canmodify =
1120: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1121: \@userinfo,\%inst_results);
1122: foreach my $item (@userinfo) {
1123: if ($canmodify{$item}) {
1124: $info{$item} = $env{'form.c'.$item};
1125: } else {
1126: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1127: }
1128: }
1129: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1130: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1131: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1132: }
1.1 raeburn 1133: my $result =
1.23 raeburn 1134: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1.1 raeburn 1135: $domdefaults{'auth_def'},
1.23 raeburn 1136: $domdefaults{'auth_arg_def'},$info{'firstname'},
1137: $info{'middlename'},$info{'lastname'},
1138: $info{'generation'},undef,undef,
1139: $info{'permanentemail'},$info{'inststatus'});
1.3 raeburn 1140: if ($result eq 'ok') {
1.8 raeburn 1141: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1.3 raeburn 1142: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1143: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1144: my $nostart = 1;
1145: return ('ok',$output,$nostart);
1146: } else {
1147: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1148: return ('fail',$output);
1149: }
1.1 raeburn 1150: } else {
1.7 bisitz 1151: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1.1 raeburn 1152: return('fail',$output);
1153: }
1154: }
1155:
1156: sub check_id {
1157: my ($username,$domain,$domdesc) = @_;
1158: # Check ID format
1159: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1160: my %checks = ('id' => 1);
1161: %{$checkhash{$username.':'.$domain}} = (
1162: 'newuser' => 1,
1163: 'id' => $env{'form.cid'},
1164: );
1165: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1166: \%rulematch,\%inst_results,\%curr_rules);
1167: if (ref($alerts{'id'}) eq 'HASH') {
1168: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1169: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1170: my $userchkmsg;
1171: if (ref($curr_rules{$domain}) eq 'HASH') {
1172: $userchkmsg =
1173: &Apache::loncommon::instrule_disallow_msg('id',
1174: $domdesc,1).
1175: &Apache::loncommon::user_rule_formats($domain,
1176: $domdesc,$curr_rules{$domain}{'id'},'id');
1177: }
1178: return ('fail',$userchkmsg);
1179: }
1180: }
1181: }
1182: return;
1183: }
1184:
1185: sub invalid_state {
1.40.2.5.2.1 raeburn 1186: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1.14 raeburn 1187: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1.1 raeburn 1188: if ($error eq 'baduseremail') {
1.40.2.3 raeburn 1189: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1.1 raeburn 1190: } elsif ($error eq 'existinguser') {
1.40.2.5.2.1 raeburn 1191: my $uname = &HTML::Entities::encode($useremail);
1192: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1193: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1194: '<li>'.&mt('or, if you do not remember your password, visit the "[_1]Forgot your password?[_2]" page.','<a href="/adm/resetpw?uname='.$uname.'&useremail='.$uname.'&referrer=createaccount">','</a>').
1195: '</li></ul>';
1.1 raeburn 1196: } elsif ($error eq 'userrules') {
1.40.2.3 raeburn 1197: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1.1 raeburn 1198: } elsif ($error eq 'userformat') {
1.40.2.3 raeburn 1199: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1.1 raeburn 1200: } elsif ($error eq 'captcha') {
1.40.2.3 raeburn 1201: $msg .= &mt('Validation of the code you entered failed.');
1.1 raeburn 1202: } elsif ($error eq 'noemails') {
1.40.2.3 raeburn 1203: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1.1 raeburn 1204: }
1.14 raeburn 1205: $msg .= '</span>';
1.1 raeburn 1206: if ($msgtext) {
1207: $msg .= '<br />'.$msgtext;
1208: }
1.40.2.3 raeburn 1209: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1.8 raeburn 1210: return $msg;
1211: }
1212:
1213: sub linkto_email_help {
1.40.2.3 raeburn 1214: my ($contact_email,$domdesc,$error) = @_;
1.8 raeburn 1215: my $msg;
1.40.2.3 raeburn 1216: my $href = '/adm/helpdesk';
1.1 raeburn 1217: if ($contact_email ne '') {
1218: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1.40.2.3 raeburn 1219: $href .= '?origurl='.$escuri;
1220: if ($error eq 'existinguser') {
1221: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1222: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1223: }
1224: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1.1 raeburn 1225: } else {
1.17 raeburn 1226: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1.1 raeburn 1227: }
1228: return $msg;
1229: }
1230:
1.40.2.5.2.1 raeburn 1231: sub create_recaptcha {
1.40.2.5.2.6 raeburn 1232: my ($pubkey) = @_;
1.40.2.5.2.1 raeburn 1233: my $captcha = Captcha::reCAPTCHA->new;
1.40.2.5.2.3 raeburn 1234: # generate PUBLICKEY from https://www.google.com/recaptcha
1.40.2.5.2.1 raeburn 1235: return $captcha->get_options_setter({theme => 'white'})."\n".
1.40.2.5.2.6 raeburn 1236: $captcha->get_html($pubkey);
1.1 raeburn 1237: }
1238:
1239: sub getkeys {
1240: my ($lkey,$ukey) = @_;
1241: my $lextkey=hex($lkey);
1242: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1243:
1244: my $uextkey=hex($ukey);
1245: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1246: return ($lextkey,$uextkey);
1247: }
1248:
1249: sub serverform {
1.20 raeburn 1250: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1.22 raeburn 1251: my $phase = 'username_validation';
1252: my $catalog_elements;
1.20 raeburn 1253: if ($context eq 'selfenroll') {
1254: $phase = 'selfenroll_login';
1255: }
1.22 raeburn 1256: if ($courseid ne '') {
1257: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1258: }
1259: my $output = <<ENDSERVERFORM;
1.20 raeburn 1260: <form name="server" method="post" action="/adm/createaccount">
1.1 raeburn 1261: <input type="hidden" name="logtoken" value="$logtoken" />
1262: <input type="hidden" name="token" value="$mailtoken" />
1263: <input type="hidden" name="serverid" value="$lonhost" />
1264: <input type="hidden" name="uname" value="" />
1265: <input type="hidden" name="upass" value="" />
1.32 raeburn 1266: <input type="hidden" name="udom" value="" />
1.20 raeburn 1267: <input type="hidden" name="phase" value="$phase" />
1.3 raeburn 1268: <input type="hidden" name="courseid" value="$courseid" />
1.22 raeburn 1269: $catalog_elements
1.1 raeburn 1270: </form>
1271: ENDSERVERFORM
1272: return $output;
1273: }
1274:
1275: sub process_credentials {
1276: my ($logtoken,$lonhost) = @_;
1277: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1278: my ($retrieved,$output,$upass);
1279: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.7 bisitz 1280: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1281: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1.1 raeburn 1282: return ($retrieved,$output,$upass);
1283: } else {
1284: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1285: if ($reply eq 'ok') {
1286: $retrieved = 'ok';
1287: } else {
1288: $output = &mt('Session could not be opened.');
1289: }
1290: }
1291: my ($key,$caller)=split(/&/,$tmpinfo);
1292: if ($caller eq 'createaccount') {
1293: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1294: } else {
1295: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1296: }
1297: return ($retrieved,$output,$upass);
1298: }
1299:
1300: sub guest_format_check {
1301: my ($useremail,$domain,$cancreate,$settings) = @_;
1302: my ($login,$format_match,$format_msg,@user_rules);
1303: if (ref($settings) eq 'HASH') {
1304: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1305: push(@user_rules,@{$settings->{'email_rule'}});
1306: }
1307: }
1308: if (@user_rules > 0) {
1309: my %rule_check =
1310: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1.2 raeburn 1311: 'selfcreate',\@user_rules);
1.1 raeburn 1312: if (keys(%rule_check) > 0) {
1313: foreach my $item (keys(%rule_check)) {
1314: if ($rule_check{$item}) {
1315: $format_match = 1;
1316: last;
1317: }
1318: }
1319: }
1320: }
1321: if ($format_match) {
1322: ($login) = ($useremail =~ /^([^\@]+)\@/);
1323: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1.5 raeburn 1324: if (ref($cancreate) eq 'ARRAY') {
1325: if (grep(/^login$/,@{$cancreate})) {
1.7 bisitz 1326: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1.5 raeburn 1327: }
1.1 raeburn 1328: }
1329: }
1330: return $format_msg;
1331: }
1332:
1.17 raeburn 1333: sub sso_logout_frag {
1334: my ($r,$domain) = @_;
1335: my $endsessionmsg;
1336: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1337: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1338: if (-e $msgfile) {
1339: open(my $fh,"<$msgfile");
1340: $endsessionmsg = join('',<$fh>);
1341: close($fh);
1342: }
1343: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1344: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1345: if (-e $msgfile) {
1346: open(my $fh,"<$msgfile");
1347: $endsessionmsg = join('',<$fh>);
1348: close($fh);
1349: }
1350: }
1351: return $endsessionmsg;
1352: }
1353:
1.22 raeburn 1354: sub catreturn_js {
1355: return <<"ENDSCRIPT";
1356: <script type="text/javascript">
1357:
1358: function ToSelfenroll(formname) {
1359: var formidx = getFormByName(formname);
1360: if (formidx > -1) {
1361: document.forms[formidx].action = '/adm/selfenroll';
1362: numidx = getIndexByName(formidx,'phase');
1363: if (numidx > -1) {
1364: document.forms[formidx].elements[numidx].value = '';
1365: }
1366: numidx = getIndexByName(formidx,'context');
1367: if (numidx > -1) {
1368: document.forms[formidx].elements[numidx].value = '';
1369: }
1370: }
1371: document.forms[formidx].submit();
1372: }
1373:
1374: function ToCatalog(formname,caller) {
1375: var formidx = getFormByName(formname);
1376: if (formidx > -1) {
1377: document.forms[formidx].action = '/adm/coursecatalog';
1378: numidx = getIndexByName(formidx,'coursenum');
1379: if (numidx > -1) {
1380: if (caller != 'details') {
1381: document.forms[formidx].elements[numidx].value = '';
1382: }
1383: }
1384: }
1385: document.forms[formidx].submit();
1386: }
1387:
1388: function getIndexByName(formidx,item) {
1389: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1390: if (document.forms[formidx].elements[i].name == item) {
1391: return i;
1392: }
1393: }
1394: return -1;
1395: }
1396:
1397: function getFormByName(item) {
1398: for (var i=0; i<document.forms.length; i++) {
1399: if (document.forms[i].name == item) {
1400: return i;
1401: }
1402: }
1403: return -1;
1404: }
1405:
1406: </script>
1407: ENDSCRIPT
1408:
1409: }
1410:
1.1 raeburn 1411: 1;
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