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: # kerberos, or SSO) or an e-mail address. Requests to use an e-mail address as
5: # username may be processed automatically, or may be queued for approval.
6: #
7: # $Id: createaccount.pm,v 1.65 2014/05/05 21:28:10 raeburn Exp $
8: #
9: # Copyright Michigan State University Board of Trustees
10: #
11: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
12: #
13: # LON-CAPA is free software; you can redistribute it and/or modify
14: # it under the terms of the GNU General Public License as published by
15: # the Free Software Foundation; either version 2 of the License, or
16: # (at your option) any later version.
17: #
18: # LON-CAPA is distributed in the hope that it will be useful,
19: # but WITHOUT ANY WARRANTY; without even the implied warranty of
20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: # GNU General Public License for more details.
22: #
23: # You should have received a copy of the GNU General Public License
24: # along with LON-CAPA; if not, write to the Free Software
25: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26: #
27: # /home/httpd/html/adm/gpl.txt
28: #
29: # http://www.lon-capa.org/
30: #
31: #
32: package Apache::createaccount;
33:
34: use strict;
35: use Apache::Constants qw(:common);
36: use Apache::lonacc;
37: use Apache::lonnet;
38: use Apache::loncommon;
39: use Apache::lonhtmlcommon;
40: use Apache::lonlocal;
41: use Apache::lonauth;
42: use Apache::resetpw;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
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: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
62: ['token','courseid','domain','type']);
63: &Apache::lonacc::get_posted_cgi($r);
64: &Apache::lonlocal::get_language_handle($r);
65:
66: if ($sso_username ne '' && $sso_domain ne '') {
67: $domain = $sso_domain;
68: } else {
69: ($domain, undef) = Apache::lonnet::is_course($env{'form.courseid'});
70: unless ($domain) {
71: if ($env{'form.phase'} =~ /^username_(activation|validation)$/) {
72: if (($env{'form.udom'} =~ /^$match_domain$/) &&
73: (&Apache::lonnet::domain($env{'form.udom'}) ne '')) {
74: $domain = $env{'form.udom'};
75: } else {
76: $domain = &Apache::lonnet::default_login_domain();
77: }
78: } elsif (($env{'form.phase'} eq '') &&
79: ($env{'form.domain'} =~ /^$match_domain$/) &&
80: (&Apache::lonnet::domain($env{'form.domain'}) ne '')) {
81: $domain = $env{'form.domain'};
82: } else {
83: $domain = &Apache::lonnet::default_login_domain();
84: }
85: }
86: }
87: my $domdesc = &Apache::lonnet::domain($domain,'description');
88: my $contact_name = &mt('LON-CAPA helpdesk');
89: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
90: my $contacts =
91: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
92: $domain,$origmail);
93: my ($contact_email) = split(',',$contacts);
94: my $lonhost = $r->dir_config('lonHostID');
95: my $include = $r->dir_config('lonIncludes');
96: my $start_page;
97:
98: my $handle = &Apache::lonnet::check_for_valid_session($r);
99: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
100: $start_page =
101: &Apache::loncommon::start_page('Already logged in');
102: my $end_page =
103: &Apache::loncommon::end_page();
104: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
105: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
106: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
107: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
108: return OK;
109: }
110:
111: my ($js,$courseid,$title);
112: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
113: if ($courseid ne '') {
114: $js = &catreturn_js();
115: $title = 'Self-enroll in a LON-CAPA course';
116: } else {
117: $title = 'Create a user account in LON-CAPA';
118: }
119: if ($env{'form.phase'} eq 'selfenroll_login') {
120: $title = 'Self-enroll in a LON-CAPA course';
121: if ($env{'form.udom'} ne '') {
122: $domain = $env{'form.udom'};
123: }
124:
125: my %domconfig =
126: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
127: my ($cancreate,$statustocreate,$emailusername) =
128: &get_creation_controls($domain,$domconfig{'usercreation'});
129:
130: my ($result,$output) =
131: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
132: $contact_name,$contact_email,$courseid,
133: $lonhost,$statustocreate);
134: if ($result eq 'redirect') {
135: $r->internal_redirect('/adm/switchserver');
136: return OK;
137: } elsif ($result eq 'existingaccount') {
138: $r->print($output);
139: &print_footer($r);
140: return OK;
141: } else {
142: $start_page = &Apache::loncommon::start_page($title,$js);
143: &print_header($r,$start_page,$courseid);
144: $r->print($output);
145: &print_footer($r);
146: return OK;
147: }
148: }
149: $start_page = &Apache::loncommon::start_page($title,$js);
150:
151: my %domconfig =
152: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
153: my ($cancreate,$statustocreate,$emailusername) =
154: &get_creation_controls($domain,$domconfig{'usercreation'});
155: if (@{$cancreate} == 0) {
156: &print_header($r,$start_page,$courseid);
157: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
158: '<span class="LC_warning">'.
159: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).
160: '</span><br /><br />';
161: $r->print($output);
162: &print_footer($r);
163: return OK;
164: }
165:
166: if ($sso_username ne '') {
167: &print_header($r,$start_page,$courseid);
168: my ($msg,$sso_logout);
169: $sso_logout = &sso_logout_frag($r,$domain);
170: if (grep(/^sso$/,@{$cancreate})) {
171: $msg = '<h3>'.&mt('Account creation').'</h3>'.
172: &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 />';
173: my $shibenv;
174: if (($r->dir_config('lonOtherAuthen') eq 'yes') &&
175: ($r->dir_config('lonOtherAuthenType') eq 'Shibboleth')) {
176: if (ref($domconfig{'usercreation'}) eq 'HASH') {
177: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
178: if (ref($domconfig{'usercreation'}{'cancreate'}{'shibenv'}) eq 'HASH') {
179: my @possfields = ('firstname','middlename','lastname','generation',
180: 'permanentemail','id');
181: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
182: $shibenv= {};
183: foreach my $key (keys(%{$domconfig{'usercreation'}{'cancreate'}{'shibenv'}})) {
184: if ($key eq 'inststatus') {
185: if (ref($usertypes) eq 'HASH') {
186: if ($domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key} ne '') {
187: if (exists($usertypes->{$domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key}})) {
188: $shibenv->{$key} = $domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key};
189: }
190: }
191: }
192: } elsif (grep(/^\Q$key\E/,@possfields)) {
193: if ($domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key} ne '') {
194: $shibenv->{$key} = $domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key};
195: }
196: }
197: }
198: }
199: }
200: }
201: }
202: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
203: $lonhost,$contact_email,$contact_name,
204: $sso_logout,$statustocreate,$shibenv);
205: } else {
206: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
207: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
208: $sso_logout;
209: }
210: $r->print($msg);
211: &print_footer($r);
212: return OK;
213: }
214:
215: my ($output,$nostart,$noend,$redirect);
216: my $token = $env{'form.token'};
217: if ($token) {
218: my $usertype = &get_usertype($domain);
219: ($output,$nostart,$noend,$redirect) =
220: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
221: $domdesc,$lonhost,$include,$start_page,$cancreate,
222: $domconfig{'usercreation'},$usertype);
223: if ($redirect) {
224: $r->internal_redirect('/adm/switchserver');
225: return OK;
226: } elsif ($nostart) {
227: if ($noend) {
228: return OK;
229: } else {
230: $r->print($output);
231: &print_footer($r);
232: return OK;
233: }
234: } else {
235: &print_header($r,$start_page,$courseid);
236: $r->print($output);
237: &print_footer($r);
238: return OK;
239: }
240: }
241:
242: if ($env{'form.phase'} eq 'username_activation') {
243: (my $result,$output,$nostart) =
244: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
245: $courseid);
246: if ($result eq 'redirect') {
247: $r->internal_redirect('/adm/switchserver');
248: return OK;
249: } elsif ($result eq 'ok') {
250: if ($nostart) {
251: return OK;
252: }
253: }
254: &print_header($r,$start_page,$courseid);
255: $r->print($output);
256: &print_footer($r);
257: return OK;
258: } elsif ($env{'form.phase'} eq 'username_validation') {
259: (my $result,$output) =
260: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
261: $contact_name,$contact_email,$courseid,
262: $lonhost,$statustocreate);
263: if ($result eq 'existingaccount') {
264: $r->print($output);
265: &print_footer($r);
266: return OK;
267: } else {
268: &print_header($r,$start_page,$courseid);
269: }
270: } elsif ($env{'form.create_with_email'}) {
271: &print_header($r,$start_page,$courseid);
272: my $usertype = &get_usertype($domain);
273: $output = &process_email_request($env{'form.uname'},$domain,$domdesc,
274: $contact_name,$contact_email,$cancreate,
275: $lonhost,$domconfig{'usercreation'},
276: $emailusername,$courseid,$usertype);
277: } elsif (!$token) {
278: &print_header($r,$start_page,$courseid);
279: my $now=time;
280: my $gotlondes;
281: if (grep(/^login$/,@{$cancreate})) {
282: if (open(my $jsh,"<$include/londes.js")) {
283: while(my $line = <$jsh>) {
284: $r->print($line);
285: }
286: close($jsh);
287: $r->print(&javascript_setforms($now));
288: $gotlondes = 1;
289: }
290: }
291: if (grep(/^email$/,@{$cancreate})) {
292: $r->print(&javascript_validmail());
293: }
294: my $usertype = &get_usertype($domain);
295: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
296: $include,$courseid,$gotlondes,$emailusername,
297: $usertype);
298: }
299: $r->print($output);
300: &print_footer($r);
301: return OK;
302: }
303:
304: sub print_header {
305: my ($r,$start_page,$courseid) = @_;
306: $r->print($start_page);
307: &Apache::lonhtmlcommon::clear_breadcrumbs();
308: if ($courseid ne '') {
309: my %coursehash = &Apache::lonnet::coursedescription($courseid);
310: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
311: }
312: &Apache::lonhtmlcommon::add_breadcrumb
313: ({href=>"/adm/createuser",
314: text=>"New username"});
315: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
316: return;
317: }
318:
319: sub print_footer {
320: my ($r) = @_;
321: if ($env{'form.courseid'} ne '') {
322: $r->print('<form name="backupcrumbs" method="post" action="">'.
323: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
324: 'token','serverid','uname','upass','phase','create_with_email',
325: 'code','crypt','cfirstname','clastname',
326: 'recaptcha_challenge_field','recaptcha_response_field',
327: 'cmiddlename','cgeneration','cpermanentemail','cid']).
328: '</form>');
329: }
330: $r->print(&Apache::loncommon::end_page());
331: }
332:
333: sub get_usertype {
334: my ($domain) = @_;
335: my $usertype = 'default';
336: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
337: if (ref($types) eq 'ARRAY') {
338: push(@{$types},'default');
339: my $posstype = $env{'form.type'};
340: $posstype =~ s/^\s+|\s$//g;
341: if (grep(/^\Q$posstype\E$/,@{$types})) {
342: $usertype = $posstype;
343: }
344: }
345: return $usertype;
346: }
347:
348: sub selfenroll_crumbs {
349: my ($r,$courseid,$desc) = @_;
350: &Apache::lonhtmlcommon::add_breadcrumb
351: ({href=>"javascript:ToCatalog('backupcrumbs','')",
352: text=>"Course/Community Catalog"});
353: if ($env{'form.coursenum'} ne '') {
354: &Apache::lonhtmlcommon::add_breadcrumb
355: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
356: text=>"Course details"});
357: }
358: my $last_crumb;
359: if ($desc ne '') {
360: $last_crumb = &mt("Self-enroll in [_1]","'$desc'");
361: } else {
362: $last_crumb = &mt('Self-enroll');
363: }
364: &Apache::lonhtmlcommon::add_breadcrumb
365: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
366: text=>$last_crumb,
367: no_mt=>"1"});
368: return;
369: }
370:
371: sub javascript_setforms {
372: my ($now,$emailusername,$captcha,$usertype) = @_;
373: my ($setuserinfo,@required,$requiredchk);
374: if (ref($emailusername) eq 'HASH') {
375: if (ref($emailusername->{$usertype}) eq 'HASH') {
376: foreach my $key (sort(keys(%{$emailusername->{$usertype}}))) {
377: if ($emailusername->{$usertype}{$key} eq 'required') {
378: push(@required,$key);
379: }
380: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
381: }
382: $setuserinfo .= ' server.elements.type.value=client.elements.type.value;'."\n";
383: }
384: if ($captcha eq 'original') {
385: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
386: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
387: } elsif ($captcha eq 'recaptcha') {
388: $setuserinfo .=
389: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
390: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
391: }
392: }
393: if (@required) {
394: my $missprompt = &mt('One or more required fields are currently blank.');
395: my $reqstr = join("','",@required);
396: $requiredchk = <<"ENDCHK";
397: var requiredfields = new Array('$reqstr');
398: missing = 0;
399: for (var i=0; i<requiredfields.length; i++) {
400: try {
401: eval("client.elements."+requiredfields[i]+".value");
402: }
403: catch(err) {
404: continue;
405: }
406: if (eval("client.elements."+requiredfields[i]+".value") == '') {
407: missing ++;
408: }
409: }
410: if (missing > 0) {
411: alert("$missprompt");
412: return false;
413: }
414:
415: ENDCHK
416: }
417: my $js = <<ENDSCRIPT;
418: <script type="text/javascript">
419: // <![CDATA[
420: function send(one,two,context) {
421: var server;
422: var client;
423: if (document.forms[one]) {
424: server = document.forms[one];
425: if (document.forms[two]) {
426: client = document.forms[two];
427: $requiredchk
428: server.elements.uname.value = client.elements.uname.value;
429: server.elements.udom.value = client.elements.udom.value;
430:
431: uextkey=client.elements.uextkey.value;
432: lextkey=client.elements.lextkey.value;
433: initkeys();
434:
435: server.elements.upass.value
436: = crypted(client.elements.upass$now.value);
437:
438: client.elements.uname.value='';
439: client.elements.upass$now.value='';
440: if (context == 'email') {
441: $setuserinfo
442: client.elements.upasscheck$now.value='';
443: }
444: server.submit();
445: }
446: }
447: return false;
448: }
449: // ]]>
450: </script>
451: ENDSCRIPT
452: return $js;
453: }
454:
455: sub javascript_checkpass {
456: my ($now,$context) = @_;
457: my $nopass = &mt('You must enter a password.');
458: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
459: &mt('Please try again.');
460: my $js = <<"ENDSCRIPT";
461: <script type="text/javascript">
462: // <![CDATA[
463: function checkpass(one,two) {
464: var client;
465: if (document.forms[two]) {
466: client = document.forms[two];
467: var upass = client.elements.upass$now.value;
468: var upasscheck = client.elements.upasscheck$now.value;
469: if (upass == '') {
470: alert("$nopass");
471: return false;
472: }
473: if (upass == upasscheck) {
474: client.elements.upasscheck$now.value='';
475: if (validate_email(client)) {
476: send(one,two,'$context');
477: }
478: return false;
479: } else {
480: alert("$mismatchpass");
481: return false;
482: }
483: }
484: return false;
485: }
486: // ]]>
487: </script>
488: ENDSCRIPT
489: return $js;
490: }
491:
492: sub javascript_validmail {
493: my %lt = &Apache::lonlocal::texthash (
494: email => 'The e-mail address you entered',
495: notv => 'is not a valid e-mail address',
496: );
497: my $output = "\n".'<script type="text/javascript">'."\n".
498: '// <![CDATA['."\n".
499: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
500: $output .= <<"ENDSCRIPT";
501: function validate_email(client) {
502: field = client.uname;
503: if (validmail(field) == false) {
504: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
505: return false;
506: }
507: return true;
508: }
509: ENDSCRIPT
510: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
511: return $output;
512: }
513:
514: sub print_username_form {
515: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$gotlondes,$emailusername,
516: $usertype) = @_;
517: my %lt = &Apache::lonlocal::texthash (
518: unam => 'username',
519: udom => 'domain',
520: uemail => 'E-mail address in LON-CAPA',
521: proc => 'Proceed',
522: crac => 'Create account with a username provided by this institution',
523: clca => 'Create LON-CAPA account',
524: type => 'Type in your log-in ID and password to find out.',
525: plse => 'Please provide a password for your new account.',
526: info => 'Please provide user information and a password for your new account.',
527: yopw => 'Your password will be encrypted when sent (and stored).',
528: );
529: my $output;
530: if (ref($cancreate) eq 'ARRAY') {
531: if (grep(/^login$/,@{$cancreate})) {
532: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
533: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
534: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
535: $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 />').
536: '<br /><br />'.
537: $lt{'type'}.
538: '<br /><br />';
539: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
540: $domain,'createaccount').'</div>';
541: }
542: }
543: if (grep(/^email$/,@{$cancreate})) {
544: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
545: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
546: if ($error) {
547: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
548: if ($courseid ne '') {
549: $helpdesk .= '&courseid='.$courseid;
550: }
551: $output .= '<span class="LC_error">'.
552: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
553: '</span><br /><br />'.
554: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
555: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
556: } else {
557: if (grep(/^login$/,@{$cancreate})) {
558: $output .= &mt('If you do not have a log-in ID at your institution, [_1]provide your e-mail address to request a LON-CAPA account.','<br />').'<br /><br />'.
559: $lt{'plse'}.'<br />'.
560: $lt{'yopw'}.'<br />';
561: } else {
562: my $prompt = $lt{'plse'};
563: if (ref($emailusername) eq 'HASH') {
564: if (ref($emailusername->{$usertype}) eq 'HASH') {
565: if (keys(%{$emailusername->{$usertype}}) > 0) {
566: $prompt = $lt{'info'};
567: }
568: }
569: }
570: $output .= $prompt.'<br />'.
571: $lt{'yopw'}.'<br />';
572: }
573: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
574: $courseid,$gotlondes,$emailusername,$captcha,
575: $usertype);
576: }
577: $output .= '</div>';
578: }
579: }
580: if ($output eq '') {
581: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
582: } else {
583: $output .= '<div class="LC_clear_float_footer"></div>';
584: }
585: return $output;
586: }
587:
588: sub login_box {
589: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
590: my $output;
591: my %titles = &Apache::lonlocal::texthash(
592: createaccount => 'Log-in ID',
593: selfenroll => 'Username',
594: );
595: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
596: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
597: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
598: $lonhost);
599: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
600: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
601: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
602: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
603: &Apache::lonhtmlcommon::start_pick_box()."\n".
604: &Apache::lonhtmlcommon::row_title($titles{$context},
605: 'LC_pick_box_title')."\n".
606: $unameform."\n".
607: &Apache::lonhtmlcommon::row_closure(1)."\n".
608: &Apache::lonhtmlcommon::row_title(&mt('Password'),
609: 'LC_pick_box_title')."\n".
610: $upassform;
611: if ($context eq 'selfenroll') {
612: my $udomform = '<input type="text" name="udom" size="10" value="'.
613: $domain.'" />';
614: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
615: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
616: 'LC_pick_box_title')."\n".
617: $udomform."\n";
618: } else {
619: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
620: }
621: $output .= &Apache::lonhtmlcommon::row_closure(1).
622: &Apache::lonhtmlcommon::row_title().
623: '<br /><input type="submit" name="username_validation" value="'.
624: $submit_text.'" />'."\n";
625: if ($context eq 'selfenroll') {
626: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
627: '<span class="LC_fontsize_medium">'.
628: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
629: '</span></td></tr></table>'."\n";
630: }
631: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
632: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
633: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
634: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
635: '</form>';
636: return $output;
637: }
638:
639: sub process_email_request {
640: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
641: $server,$settings,$emailusername,$courseid,$usertype) = @_;
642: my $output;
643: if (ref($cancreate) eq 'ARRAY') {
644: if (!grep(/^email$/,@{$cancreate})) {
645: $output = &invalid_state('noemails',$domdesc,
646: $contact_name,$contact_email);
647: return $output;
648: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
649: $output = &invalid_state('baduseremail',$domdesc,
650: $contact_name,$contact_email);
651: return $output;
652: } else {
653: $useremail =~ s/^\s+|\s+$//g;
654: my $uname=&LONCAPA::clean_username($useremail);
655: if ($useremail ne $uname) {
656: $output = &invalid_state('badusername',$domdesc,
657: $contact_name,$contact_email);
658: return $output;
659: }
660: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
661: if ($uhome ne 'no_host') {
662: $output = &invalid_state('existinguser',$domdesc,
663: $contact_name,$contact_email);
664: return $output;
665: } else {
666: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
667: if ($captcha_chk != 1) {
668: $output = &invalid_state('captcha',$domdesc,$contact_name,
669: $contact_email,$captcha_error);
670: return $output;
671: }
672: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
673: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
674: \%inst_results,\%curr_rules,\%got_rules,'username');
675: if (ref($alerts{'username'}) eq 'HASH') {
676: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
677: if ($alerts{'username'}{$domain}{$useremail}) {
678: $output = &invalid_state('userrules',$domdesc,
679: $contact_name,$contact_email);
680: return $output;
681: }
682: }
683: }
684: my $format_msg =
685: &guest_format_check($useremail,$domain,$cancreate,
686: $settings);
687: if ($format_msg) {
688: $output = &invalid_state('userformat',$domdesc,$contact_name,
689: $contact_email,$format_msg);
690: return $output;
691: }
692: }
693: }
694: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
695: $contact_email,$courseid,$emailusername,$usertype);
696: }
697: return $output;
698: }
699:
700: sub call_rulecheck {
701: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
702: $got_rules,$tocheck) = @_;
703: my ($checkhash,$checks);
704: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
705: if ($tocheck eq 'username') {
706: $checks = { 'username' => 1 };
707: }
708: &Apache::loncommon::user_rule_check($checkhash,$checks,
709: $alerts,$rulematch,$inst_results,$curr_rules,
710: $got_rules);
711: return;
712: }
713:
714: sub send_token {
715: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername,
716: $usertype) = @_;
717: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
718: &mt('Thank you for your request to create a new LON-CAPA account.').
719: '<br /><br />';
720: my $now = time;
721: $env{'form.logtoken'} =~ s/(`)//g;
722: if ($env{'form.logtoken'}) {
723: my $logtoken = $env{'form.logtoken'};
724: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
725: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
726: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
727: .'<br />'.&mt('Return to the previous page to try again.');
728: } else {
729: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
730: unless ($reply eq 'ok') {
731: $msg .= &mt('Request could not be processed.');
732: }
733: }
734: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
735: 'time' => $now,
736: 'domain' => $domain,
737: 'username' => $email,
738: 'courseid' => $courseid,
739: 'upass' => $env{'form.upass'},
740: 'serverid' => $env{'form.serverid'},
741: 'tmpinfo' => $tmpinfo);
742:
743: if (ref($emailusername) eq 'HASH') {
744: if (ref($emailusername->{$usertype}) eq 'HASH') {
745: foreach my $item (keys(%{$emailusername->{$usertype}})) {
746: $info{$item} = $env{'form.'.$item};
747: $info{$item} =~ s/(`)//g;
748: }
749: unless ($usertype eq 'default') {
750: $info{'inststatus'} = $usertype;
751: }
752: }
753: }
754: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
755: if ($token !~ /^error/ && $token ne 'no_such_host') {
756: my $esc_token = &escape($token);
757: my $showtime = localtime(time);
758: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
759: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
760: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
761: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
762: $contact_email);
763: if ($result eq 'ok') {
764: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
765: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
766: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
767: } else {
768: $msg .= '<span class="LC_error">'.
769: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
770: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
771: }
772: } else {
773: $msg .= '<span class="LC_error">'.
774: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
775: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
776: }
777: } else {
778: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
779: .'<br />'.&mt('Return to the previous page to try again.');
780:
781: }
782: return $msg;
783: }
784:
785: sub process_mailtoken {
786: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
787: $include,$start_page,$cancreate,$settings,$usertype) = @_;
788: my ($msg,$nostart,$noend,$redirect);
789: my %data = &Apache::lonnet::tmpget($token);
790: my $now = time;
791: if (keys(%data) == 0) {
792: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
793: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
794: .' '.&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.',
795: '<a href="/adm/createaccount">','</a>');
796: return $msg;
797: }
798: if (($data{'time'} =~ /^\d+$/) &&
799: ($data{'domain'} ne '') &&
800: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
801: if ($now - $data{'time'} < 7200) {
802: # Check if request should be queued.
803: if (ref($cancreate) eq 'ARRAY') {
804: my $disposition;
805: if (grep(/^email$/,@{$cancreate})) {
806: if (ref($settings) eq 'HASH') {
807: if (ref($settings->{'cancreate'}) eq 'HASH') {
808: if (ref($settings->{'cancreate'}{'selfcreateprocessing'}) eq 'HASH') {
809: $disposition = $settings->{'cancreate'}{'selfcreateprocessing'}{$usertype};
810: }
811: }
812: }
813: if ($disposition eq 'approval') {
814: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
815: my $delete = &Apache::lonnet::tmpdel($token);
816: } else {
817: my ($result,$output,$uhome) =
818: &create_account($r,$domain,$domdesc,\%data);
819: if ($result eq 'ok') {
820: $msg = $output;
821: my $shownow = &Apache::lonlocal::locallocaltime($now);
822: 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";
823: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
824: $mailmsg,$contact_name,
825: $contact_email);
826: if ($mailresult eq 'ok') {
827: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
828: } else {
829: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
830: }
831: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
832: $data{'courseid'},$token);
833: $nostart = 1;
834: $noend = 1;
835: } else {
836: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
837: .'<br />'.$output;
838: if (($contact_name ne '') && ($contact_email ne '')) {
839: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
840: }
841: }
842: my $delete = &Apache::lonnet::tmpdel($token);
843: }
844: } else {
845: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
846: }
847: } else {
848: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
849: }
850: } else {
851: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
852: .' '.&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>');
853: }
854: } else {
855: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
856: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
857: }
858: return ($msg,$nostart,$noend,$redirect);
859: }
860:
861: sub start_session {
862: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
863:
864: if ($r->dir_config('lonBalancer') eq 'yes') {
865: Apache::lonauth::success($r, $username, $domain, $uhome,
866: 'noredirect', undef, {});
867:
868: Apache::lonnet::tmpdel($token) if $token;
869:
870: return 'redirect';
871: } else {
872: $courseid = Apache::lonnet::is_course($courseid);
873:
874: Apache::lonauth::success($r, $username, $domain, $uhome,
875: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
876: undef, {});
877: }
878:
879: return;
880: }
881:
882: #
883: # The screen that the user gets to create his or her account
884: # Desired username, desired password, etc
885: # Stores token to store DES-key and stage during creation session
886: #
887: sub print_dataentry_form {
888: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$gotlondes,$emailusername,$captcha,
889: $usertype) = @_;
890: my ($error,$output);
891: unless ($gotlondes) {
892: if (open(my $jsh,"<$include/londes.js")) {
893: while(my $line = <$jsh>) {
894: $r->print($line);
895: }
896: close($jsh);
897: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype)."\n";
898: $gotlondes = 1;
899: }
900: }
901: if ($gotlondes) {
902: $output .= &javascript_checkpass($now,'email');
903: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
904: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
905: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
906: $lonhost);
907: $output .=
908: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
909: if ($courseid ne '') {
910: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
911: }
912: if (ref($emailusername) eq 'HASH') {
913: if (ref($emailusername->{$usertype}) eq 'HASH') {
914: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
915: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
916: }
917: $output .= '<input type="hidden" name="type" value="" />'."\n";
918: }
919: }
920: if ($captcha eq 'original') {
921: $output .= '
922: <input type="hidden" name="crypt" value="" />
923: <input type="hidden" name="code" value="" />
924: ';
925: } elsif ($captcha eq 'recaptcha') {
926: $output .= '
927: <input type="hidden" name="recaptcha_challenge_field" value="" />
928: <input type="hidden" name="recaptcha_response_field" value="" />
929: ';
930: }
931: $output .= <<"ENDSERVERFORM";
932: <input type="hidden" name="logtoken" value="$logtoken" />
933: <input type="hidden" name="serverid" value="$lonhost" />
934: <input type="hidden" name="uname" value="" />
935: <input type="hidden" name="upass" value="" />
936: <input type="hidden" name="udom" value="" />
937: <input type="hidden" name="phase" value="createaccount" />
938: <input type="hidden" name="create_with_email" value="1" />
939: </form>
940: ENDSERVERFORM
941: my $beginclientform = '<form name="newemail" method="post" action="" '.
942: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
943: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
944: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
945: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
946: '</form>'."\n".
947: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
948: my ($datatable,$rowcount) =
949: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
950: '','',$now,$captchaform,
951: $emailusername,$usertype);
952: if ($rowcount) {
953: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
954: } else {
955: $output .= $beginclientform.$endclientform;
956: }
957: if ($rowcount) {
958: $output .= '</div>'."\n".
959: '<div class="LC_clear_float_footer"></div>'."\n";
960: }
961: } else {
962: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
963: }
964: return $output;
965: }
966:
967: #
968: # Retrieve rules for generating accounts from domain configuration
969: # Can the user make a new account or just self-enroll?
970:
971: sub get_creation_controls {
972: my ($domain,$usercreation) = @_;
973: my (@cancreate,@statustocreate,$emailusername);
974: if (ref($usercreation) eq 'HASH') {
975: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
976: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
977: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
978: if (@statustocreate == 0) {
979: my ($othertitle,$usertypes,$types) =
980: &Apache::loncommon::sorted_inst_types($domain);
981: if (ref($types) eq 'ARRAY') {
982: if (@{$types} == 0) {
983: @statustocreate = ('default');
984: }
985: } else {
986: @statustocreate = ('default');
987: }
988: }
989: } else {
990: @statustocreate = ('default');
991: my ($othertitle,$usertypes,$types) =
992: &Apache::loncommon::sorted_inst_types($domain);
993: if (ref($types) eq 'ARRAY') {
994: push(@statustocreate,@{$types});
995: }
996: }
997: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
998: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
999: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
1000: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
1001: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
1002: }
1003: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
1004: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
1005: } else {
1006: $emailusername = {'lastname' => '1', 'firstname' => 1, };
1007: }
1008: }
1009: }
1010: return (\@cancreate,\@statustocreate,$emailusername);
1011: }
1012:
1013: sub create_account {
1014: my ($r,$domain,$domdesc,$dataref) = @_;
1015: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1016: my $end = '</span><br /><br />';
1017: my $rtnlink = '<a href="javascript:history.back();">'.
1018: &mt('Return to previous page').'</a>'.
1019: &Apache::loncommon::end_page();
1020: my $output;
1021: if (ref($dataref) eq 'HASH') {
1022: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
1023: $generation,$inststatus);
1024: $username = $dataref->{'username'};
1025: $encpass = $dataref->{'upass'};
1026: $serverid = $dataref->{'serverid'};
1027: $courseid = $dataref->{'courseid'};
1028: $id = $dataref->{'id'};
1029: $firstname = $dataref->{'firstname'};
1030: $middlename = $dataref->{'middlename'};
1031: $lastname = $dataref->{'lastname'};
1032: $generation = $dataref->{'generation'};
1033: $inststatus = $dataref->{'inststatus'};
1034:
1035: my $currhome = &Apache::lonnet::homeserver($username,$domain);
1036: unless ($currhome eq 'no_host') {
1037: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
1038: return ('fail',$error.$output.$end.$rtnlink);
1039: }
1040:
1041: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1042:
1043: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1044: if ($caller eq 'createaccount') {
1045: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1046:
1047: # See if we are allowed to use the proposed student/employee ID,
1048: # as per domain rules; if not, student/employee will be left blank.
1049:
1050: if ($id ne '') {
1051: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1052: if ($result eq 'fail') {
1053: $output = $error.&mt('Invalid ID format').$end.
1054: $userchkmsg;
1055: undef($id);
1056: }
1057: }
1058:
1059: # Create an internally authenticated account with password $upass
1060: # if the user account does not already exist.
1061: # Assign student/employee id, first name, last name, etc.
1062:
1063: my $result =
1064: &Apache::lonnet::modifyuser($domain,$username,$id,
1065: 'internal',$upass,$firstname,$middlename,
1066: $lastname,$generation,undef,undef,$username);
1067: $output = &mt('Generating user: [_1]',$result);
1068:
1069: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1070:
1071: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1072: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1073: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1074: }
1075: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1076: &Apache::lonnet::hostname($uhome).'<br /><br />';
1077: return ('ok',$output,$uhome);
1078: } else {
1079: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1080: undef($encpass);
1081: return ('fail',$error.$output.$end.$rtnlink);
1082: }
1083: } else {
1084: $output = &mt('Unable to retrieve information for your account request.');
1085: return ('fail',$error.$output.$end.$rtnlink);
1086: }
1087: }
1088:
1089: sub username_validation {
1090: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1091: $lonhost,$statustocreate) = @_;
1092: # $r: request object
1093: # $username,$domain: for the user who needs to be validated
1094: # $domdesc: full name of the domain (for error messages)
1095: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1096: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1097: # passed to start_session()
1098: # $lonhost: LON-CAPA lonHostID
1099: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1100:
1101: #
1102: # Sanitize incoming username and domain
1103: #
1104: $username= &LONCAPA::clean_username($username);
1105: $domain = &LONCAPA::clean_domain($domain);
1106:
1107: #
1108: # Check if LON-CAPA account already exists for $username:$domain
1109: #
1110: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1111:
1112: my $output;
1113:
1114: # Retrieve DES key from server using logtoken
1115:
1116: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1117: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1118: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1119: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1120: return ('fail',$output);
1121: } else {
1122: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1123: unless ($reply eq 'ok') {
1124: $output = &mt('Session could not be opened.');
1125: return ('fail',$output);
1126: }
1127: }
1128:
1129: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1130:
1131: my ($key,$caller)=split(/&/,$tmpinfo);
1132: my $upass;
1133: if ($caller eq 'createaccount') {
1134: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1135: } else {
1136: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1137: return ('fail',$output);
1138: }
1139: if ($uhome ne 'no_host') {
1140: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1141: if ($result ne 'no_host') {
1142: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1143: if ($redirect) {
1144: return ($redirect);
1145: }
1146: $output = '<br /><br />'.
1147: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1148: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1149: &mt('The password entered was also correct so you have been logged in.');
1150: return ('existingaccount',$output);
1151: } else {
1152: $output = &login_failure_msg($courseid);
1153: }
1154: } else {
1155: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1156: my $authok;
1157: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1158: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1159: ($domdefaults{'auth_def'} eq 'localauth')) {
1160: my $checkdefauth = 1;
1161: $authok =
1162: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1163: } else {
1164: $authok = 'non_authorized';
1165: }
1166: if ($authok eq 'authorized') {
1167: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1168: $contact_email,$contact_name,undef,
1169: $statustocreate);
1170: } else {
1171: $output = &login_failure_msg($courseid);
1172: }
1173: }
1174: return ('ok',$output);
1175: }
1176:
1177: sub login_failure_msg {
1178: my ($courseid) = @_;
1179: my $url;
1180: if ($courseid ne '') {
1181: $url = "/adm/selfenroll?courseid=".$courseid;
1182: } else {
1183: $url = "/adm/createaccount";
1184: }
1185: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1186: &mt('Username and/or password could not be authenticated.').
1187: '</div>'.
1188: &mt('Please check the username and password.').'<br /><br />';
1189: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1190: return $output;
1191: }
1192:
1193: sub username_check {
1194: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1195: $contact_name,$sso_logout,$statustocreate,$shibenv) = @_;
1196: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1197: %alerts,%curr_rules,%got_rules);
1198: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1199: \%inst_results,\%curr_rules,\%got_rules,'username');
1200: if (ref($alerts{'username'}) eq 'HASH') {
1201: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1202: if ($alerts{'username'}{$domain}{$username}) {
1203: if (ref($curr_rules{$domain}) eq 'HASH') {
1204: $output =
1205: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1206: 'selfcreate').
1207: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1208: $curr_rules{$domain}{'username'},'username');
1209: }
1210: $checkfail = 'username';
1211: }
1212: }
1213: }
1214: if (!$checkfail) {
1215: if (ref($statustocreate) eq 'ARRAY') {
1216: $checkfail = 'inststatus';
1217: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1218: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1219: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1220: undef($checkfail);
1221: last;
1222: }
1223: }
1224: } elsif (grep(/^default$/,@{$statustocreate})) {
1225: undef($checkfail);
1226: }
1227: }
1228: }
1229: if (!$checkfail) {
1230: $output = '<form method="post" action="/adm/createaccount">';
1231: if (ref($shibenv) eq 'HASH') {
1232: foreach my $key (keys(%{$shibenv})) {
1233: $inst_results{$username.':'.$domain}{$key} = $shibenv->{$key};
1234: }
1235: }
1236: (my $datatable,$rowcount,$editable) =
1237: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1238: $inst_results{$username.':'.$domain});
1239: if ($rowcount > 0) {
1240: $output .= $datatable;
1241: }
1242: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1243: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1244: '<input type="hidden" name="phase" value="username_activation" />';
1245: my $now = time;
1246: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1247: 'time' => $now,
1248: 'domain' => $domain,
1249: 'username' => $username);
1250: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1251: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1252: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1253: } else {
1254: $output = &mt('An error occurred when storing a token').'<br />'.
1255: &mt('You will not be able to proceed to the next stage of account creation').
1256: &linkto_email_help($contact_email,$domdesc);
1257: $checkfail = 'authtoken';
1258: }
1259: }
1260: if ($checkfail) {
1261: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1262: if ($checkfail eq 'username') {
1263: $msg .= '<span class="LC_warning">'.
1264: &mt('A LON-CAPA account may not be created with the username you use.').
1265: '</span><br /><br />'.$output;
1266: } elsif ($checkfail eq 'authtoken') {
1267: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1268: '<br />'.$output;
1269: } elsif ($checkfail eq 'inststatus') {
1270: $msg .= '<span class="LC_warning">'.
1271: &mt('You are not permitted to create a LON-CAPA account.').
1272: '</span><br /><br />'.$output;
1273: }
1274: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1275: $contact_name,$contact_email).'<br /><hr />'.
1276: $sso_logout;
1277: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1278: } else {
1279: if ($courseid ne '') {
1280: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1281: }
1282: $output .= '<input type="submit" name="newaccount" value="'.
1283: &mt('Create LON-CAPA account').'" /></form>';
1284: if ($rowcount) {
1285: if ($editable) {
1286: if ($courseid ne '') {
1287: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1288: }
1289: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1290: } else {
1291: if ($courseid ne '') {
1292: $msg = '<h4>'.&mt('Review user information').'</h4>';
1293: }
1294: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1295: }
1296: } else {
1297: if ($courseid ne '') {
1298: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1299: }
1300: $msg .= &mt('Confirm that you wish to create an account.');
1301: }
1302: $msg .= $output;
1303: }
1304: return $msg;
1305: }
1306:
1307: sub username_activation {
1308: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1309: my $output;
1310: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1311: my $end = '</span><br /><br />';
1312: my $rtnlink = '<a href="javascript:history.back();">'.
1313: &mt('Return to previous page').'</a>'.
1314: &Apache::loncommon::end_page();
1315: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1316: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1317: my $now = time;
1318: my $earlyout;
1319: my $timeout = 300;
1320: if (keys(%data) == 0) {
1321: $output = &mt('Sorry, your authentication has expired.');
1322: $earlyout = 'fail';
1323: }
1324: if (($data{'time'} !~ /^\d+$/) ||
1325: ($data{'domain'} ne $domain) ||
1326: ($data{'username'} ne $username)) {
1327: $earlyout = 'fail';
1328: $output = &mt('The credentials you provided could not be verified.');
1329: } elsif ($now - $data{'time'} > $timeout) {
1330: $earlyout = 'fail';
1331: $output = &mt('Sorry, your authentication has expired.');
1332: }
1333: if ($earlyout ne '') {
1334: my $link = '/adm/createaccount';
1335: if (&Apache::lonnet::domain($domain) ne '') {
1336: $link .= "?domain=$domain";
1337: }
1338: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1339: '<a href="'.$link.'">','</a>');
1340: return($earlyout,$output);
1341: }
1342: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1343: ($domdefaults{'auth_arg_def'} ne '')) ||
1344: ($domdefaults{'auth_def'} eq 'localauth')) {
1345: if ($env{'form.courseid'} ne '') {
1346: my $id = $env{'form.cid'};
1347: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1348: if ($result eq 'fail') {
1349: $output = $error.&mt('Invalid ID format').$end.
1350: $userchkmsg.$rtnlink;
1351: return ('fail',$output);
1352: }
1353: }
1354: # Call modifyuser
1355: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1356: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1357: \%inst_results,\%curr_rules,\%got_rules);
1358: my @userinfo = ('firstname','middlename','lastname','generation',
1359: 'permanentemail','id');
1360: my %canmodify =
1361: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1362: \@userinfo,\%inst_results);
1363: foreach my $item (@userinfo) {
1364: if ($canmodify{$item}) {
1365: $info{$item} = $env{'form.c'.$item};
1366: } else {
1367: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1368: }
1369: }
1370: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1371: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1372: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1373: }
1374: my $result =
1375: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1376: $domdefaults{'auth_def'},
1377: $domdefaults{'auth_arg_def'},$info{'firstname'},
1378: $info{'middlename'},$info{'lastname'},
1379: $info{'generation'},undef,undef,
1380: $info{'permanentemail'},$info{'inststatus'});
1381: if ($result eq 'ok') {
1382: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1383: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1384: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1385: my $nostart = 1;
1386: my $response = 'ok';
1387: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1388: if ($redirect) {
1389: $response = $redirect;
1390: }
1391: return ($response,$output,$nostart);
1392: } else {
1393: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1394: return ('fail',$output);
1395: }
1396: } else {
1397: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1398: return('fail',$output);
1399: }
1400: }
1401:
1402: sub check_id {
1403: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1404: # Check student/employee ID format
1405: # Is proposed student/employee ID acceptable according to domain's rules.
1406: # $domdesc is just used for user error messages
1407: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1408: my %checks = ('id' => 1);
1409: %{$checkhash{$username.':'.$domain}} = (
1410: 'newuser' => 1,
1411: 'id' => $id,
1412: );
1413: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1414: \%rulematch,\%inst_results,\%curr_rules);
1415: if (ref($alerts{'id'}) eq 'HASH') {
1416: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1417: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1418: my $userchkmsg;
1419: if (ref($curr_rules{$domain}) eq 'HASH') {
1420: if ($usernametype eq 'email') {
1421: $userchkmsg = &mt('A student/employee ID has not been set because the value suggested matched the format used for institutional users in the domain, and you are using an e-mail address as username, not an institutional username.');
1422: } else {
1423: $userchkmsg =
1424: &Apache::loncommon::instrule_disallow_msg('id',
1425: $domdesc,1).
1426: &Apache::loncommon::user_rule_formats($domain,
1427: $domdesc,$curr_rules{$domain}{'id'},'id');
1428: }
1429: }
1430: return ('fail',$userchkmsg);
1431: }
1432: }
1433: }
1434: return;
1435: }
1436:
1437: sub invalid_state {
1438: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1439: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1440: if ($error eq 'baduseremail') {
1441: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1442: } elsif ($error eq 'badusername') {
1443: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1444: } elsif ($error eq 'existinguser') {
1445: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1446: } elsif ($error eq 'userrules') {
1447: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1448: } elsif ($error eq 'userformat') {
1449: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1450: } elsif ($error eq 'captcha') {
1451: $msg .= &mt('Validation of the code you entered failed.');
1452: } elsif ($error eq 'noemails') {
1453: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1454: }
1455: $msg .= '</span>';
1456: if ($msgtext) {
1457: $msg .= '<br />'.$msgtext;
1458: }
1459: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1460: return $msg;
1461: }
1462:
1463: sub linkto_email_help {
1464: my ($contact_email,$domdesc,$error) = @_;
1465: my $msg;
1466: my $href = '/adm/helpdesk';
1467: if ($contact_email ne '') {
1468: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1469: $href .= '?origurl='.$escuri;
1470: if ($error eq 'existinguser') {
1471: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1472: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1473: }
1474: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1475: } else {
1476: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1477: }
1478: return $msg;
1479: }
1480:
1481: sub getkeys {
1482: my ($lkey,$ukey) = @_;
1483: my $lextkey=hex($lkey);
1484: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1485:
1486: my $uextkey=hex($ukey);
1487: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1488: return ($lextkey,$uextkey);
1489: }
1490:
1491: sub serverform {
1492: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1493: my $phase = 'username_validation';
1494: my $catalog_elements;
1495: if ($context eq 'selfenroll') {
1496: $phase = 'selfenroll_login';
1497: }
1498: if ($courseid ne '') {
1499: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1500: }
1501: my $output = <<ENDSERVERFORM;
1502: <form name="server" method="post" action="/adm/createaccount">
1503: <input type="hidden" name="logtoken" value="$logtoken" />
1504: <input type="hidden" name="token" value="$mailtoken" />
1505: <input type="hidden" name="serverid" value="$lonhost" />
1506: <input type="hidden" name="uname" value="" />
1507: <input type="hidden" name="upass" value="" />
1508: <input type="hidden" name="udom" value="" />
1509: <input type="hidden" name="phase" value="$phase" />
1510: <input type="hidden" name="courseid" value="$courseid" />
1511: $catalog_elements
1512: </form>
1513: ENDSERVERFORM
1514: return $output;
1515: }
1516:
1517: sub store_request {
1518: my ($dom,$username,$val,$dataref,$settings) = @_;
1519: my $output;
1520: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1521: my $key = &escape($username);
1522: my $now = time();
1523: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1524: $dom,$domconfiguser) eq 'ok') {
1525: if (ref($dataref) eq 'HASH') {
1526: my $logtoken = $dataref->{'tmpinfo'};
1527: my $serverid = $dataref->{'serverid'};
1528: if ($logtoken && $serverid) {
1529: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1530: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1531: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1532: if ($reply eq 'ok') {
1533: my ($key,$caller)=split(/&/,$tmpinfo);
1534: $dataref->{'key'} = $key;
1535: undef($dataref->{'tmpinfo'});
1536: undef($dataref->{'serverid'});
1537: }
1538: }
1539: }
1540: }
1541: my %userrequest = ( $username => $dataref );
1542: $userrequest{$username}{timestamp} = $now;
1543: $userrequest{$username}{status} = $val;
1544: my $notifylist;
1545: if (ref($settings) eq 'HASH') {
1546: if (ref($settings->{'cancreate'}) eq 'HASH') {
1547: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1548: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1549: if ($notifylist) {
1550: my $sender = $domconfiguser.':'.$dom;
1551: my $domdesc = &Apache::lonnet::domain($dom,'description');
1552: my $fullname;
1553: if (ref($dataref) eq 'HASH') {
1554: if ($dataref->{'firstname'}) {
1555: $fullname = $dataref->{'firstname'};
1556: }
1557: if ($dataref->{'lastname'}) {
1558: $fullname .= ' '.$dataref->{'lastname'};
1559: }
1560: $fullname =~ s/^\s+|\s+$//g;
1561: }
1562: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1563: "$fullname ($username)",
1564: undef,$domdesc,$now,'usernamereq',$sender);
1565: }
1566: }
1567: }
1568: }
1569: my $userresult =
1570: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1571: $output = '<p class="LC_info">'.
1572: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1573: '</p>'.
1574: '<p class="LC_info">'.
1575: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1576: '</p>';
1577: } else {
1578: $output = '<span class="LC_error">'.
1579: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1580: '</span>';
1581: }
1582: return $output;
1583: }
1584:
1585: sub guest_format_check {
1586: my ($useremail,$domain,$cancreate,$settings) = @_;
1587: my ($login,$format_match,$format_msg,@user_rules);
1588: if (ref($settings) eq 'HASH') {
1589: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1590: push(@user_rules,@{$settings->{'email_rule'}});
1591: }
1592: }
1593: if (@user_rules > 0) {
1594: my %rule_check =
1595: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1596: 'selfcreate',\@user_rules);
1597: if (keys(%rule_check) > 0) {
1598: foreach my $item (keys(%rule_check)) {
1599: if ($rule_check{$item}) {
1600: $format_match = 1;
1601: last;
1602: }
1603: }
1604: }
1605: }
1606: if ($format_match) {
1607: ($login) = ($useremail =~ /^([^\@]+)\@/);
1608: $format_msg = '<br />'.
1609: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1610: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1611: if (ref($cancreate) eq 'ARRAY') {
1612: if (grep(/^login$/,@{$cancreate})) {
1613: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1614: }
1615: }
1616: }
1617: return $format_msg;
1618: }
1619:
1620: sub sso_logout_frag {
1621: my ($r,$domain) = @_;
1622: my $endsessionmsg;
1623: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1624: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1625: if (-e $msgfile) {
1626: open(my $fh,"<$msgfile");
1627: $endsessionmsg = join('',<$fh>);
1628: close($fh);
1629: }
1630: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1631: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1632: if (-e $msgfile) {
1633: open(my $fh,"<$msgfile");
1634: $endsessionmsg = join('',<$fh>);
1635: close($fh);
1636: }
1637: }
1638: return $endsessionmsg;
1639: }
1640:
1641: sub catreturn_js {
1642: return <<"ENDSCRIPT";
1643: <script type="text/javascript">
1644: // <![CDATA[
1645: function ToSelfenroll(formname) {
1646: var formidx = getFormByName(formname);
1647: if (formidx > -1) {
1648: document.forms[formidx].action = '/adm/selfenroll';
1649: numidx = getIndexByName(formidx,'phase');
1650: if (numidx > -1) {
1651: document.forms[formidx].elements[numidx].value = '';
1652: }
1653: numidx = getIndexByName(formidx,'context');
1654: if (numidx > -1) {
1655: document.forms[formidx].elements[numidx].value = '';
1656: }
1657: }
1658: document.forms[formidx].submit();
1659: }
1660:
1661: function ToCatalog(formname,caller) {
1662: var formidx = getFormByName(formname);
1663: if (formidx > -1) {
1664: document.forms[formidx].action = '/adm/coursecatalog';
1665: numidx = getIndexByName(formidx,'coursenum');
1666: if (numidx > -1) {
1667: if (caller != 'details') {
1668: document.forms[formidx].elements[numidx].value = '';
1669: }
1670: }
1671: }
1672: document.forms[formidx].submit();
1673: }
1674:
1675: function getIndexByName(formidx,item) {
1676: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1677: if (document.forms[formidx].elements[i].name == item) {
1678: return i;
1679: }
1680: }
1681: return -1;
1682: }
1683:
1684: function getFormByName(item) {
1685: for (var i=0; i<document.forms.length; i++) {
1686: if (document.forms[i].name == item) {
1687: return i;
1688: }
1689: }
1690: return -1;
1691: }
1692: // ]]>
1693: </script>
1694: ENDSCRIPT
1695:
1696: }
1697:
1698: 1;
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