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 1.70 2015/06/09 21:22:55 damieng 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 $now=time;
280: if ((grep(/^login$/,@{$cancreate})) && (!grep(/^email$/,@{$cancreate}))) {
281: if (open(my $jsh,"<$include/londes.js")) {
282: while(my $line = <$jsh>) {
283: $r->print($line);
284: }
285: close($jsh);
286: $r->print(&javascript_setforms($now));
287: }
288: }
289: if (grep(/^email$/,@{$cancreate})) {
290: $r->print(&javascript_validmail());
291: }
292: my $usertype = &get_usertype($domain);
293: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
294: $include,$courseid,$emailusername,$usertype);
295: }
296: $r->print($output);
297: &print_footer($r);
298: return OK;
299: }
300:
301: sub print_header {
302: my ($r,$start_page,$courseid) = @_;
303: $r->print($start_page);
304: &Apache::lonhtmlcommon::clear_breadcrumbs();
305: if ($courseid ne '') {
306: my %coursehash = &Apache::lonnet::coursedescription($courseid);
307: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
308: }
309: &Apache::lonhtmlcommon::add_breadcrumb
310: ({href=>"/adm/createuser",
311: text=>"New username"});
312: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
313: return;
314: }
315:
316: sub print_footer {
317: my ($r) = @_;
318: if ($env{'form.courseid'} ne '') {
319: $r->print('<form name="backupcrumbs" method="post" action="">'.
320: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
321: 'token','serverid','uname','upass','phase','create_with_email',
322: 'code','crypt','cfirstname','clastname',
323: 'recaptcha_challenge_field','recaptcha_response_field',
324: 'cmiddlename','cgeneration','cpermanentemail','cid']).
325: '</form>');
326: }
327: $r->print(&Apache::loncommon::end_page());
328: }
329:
330: sub get_usertype {
331: my ($domain) = @_;
332: my $usertype = 'default';
333: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
334: if (ref($types) eq 'ARRAY') {
335: push(@{$types},'default');
336: my $posstype = $env{'form.type'};
337: $posstype =~ s/^\s+|\s$//g;
338: if (grep(/^\Q$posstype\E$/,@{$types})) {
339: $usertype = $posstype;
340: }
341: }
342: return $usertype;
343: }
344:
345: sub selfenroll_crumbs {
346: my ($r,$courseid,$desc) = @_;
347: &Apache::lonhtmlcommon::add_breadcrumb
348: ({href=>"javascript:ToCatalog('backupcrumbs','')",
349: text=>"Course/Community Catalog"});
350: if ($env{'form.coursenum'} ne '') {
351: &Apache::lonhtmlcommon::add_breadcrumb
352: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
353: text=>"Course details"});
354: }
355: my $last_crumb;
356: if ($desc ne '') {
357: $last_crumb = &mt("Self-enroll in [_1]","'$desc'");
358: } else {
359: $last_crumb = &mt('Self-enroll');
360: }
361: &Apache::lonhtmlcommon::add_breadcrumb
362: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
363: text=>$last_crumb,
364: no_mt=>"1"});
365: return;
366: }
367:
368: sub javascript_setforms {
369: my ($now,$emailusername,$captcha,$usertype) = @_;
370: my ($setuserinfo,@required,$requiredchk);
371: if (ref($emailusername) eq 'HASH') {
372: if (ref($emailusername->{$usertype}) eq 'HASH') {
373: foreach my $key (sort(keys(%{$emailusername->{$usertype}}))) {
374: if ($emailusername->{$usertype}{$key} eq 'required') {
375: push(@required,$key);
376: }
377: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
378: }
379: $setuserinfo .= ' server.elements.type.value=client.elements.type.value;'."\n";
380: }
381: if ($captcha eq 'original') {
382: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
383: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
384: } elsif ($captcha eq 'recaptcha') {
385: $setuserinfo .=
386: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
387: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
388: }
389: }
390: if (@required) {
391: my $missprompt = &mt('One or more required fields are currently blank.');
392: &js_escape(\$missprompt);
393: my $reqstr = join("','",@required);
394: $requiredchk = <<"ENDCHK";
395: var requiredfields = new Array('$reqstr');
396: missing = 0;
397: for (var i=0; i<requiredfields.length; i++) {
398: try {
399: eval("client.elements."+requiredfields[i]+".value");
400: }
401: catch(err) {
402: continue;
403: }
404: if (eval("client.elements."+requiredfields[i]+".value") == '') {
405: missing ++;
406: }
407: }
408: if (missing > 0) {
409: alert("$missprompt");
410: return false;
411: }
412:
413: ENDCHK
414: }
415: my $js = <<ENDSCRIPT;
416: <script type="text/javascript">
417: // <![CDATA[
418: function send(one,two,context) {
419: var server;
420: var client;
421: if (document.forms[one]) {
422: server = document.forms[one];
423: if (document.forms[two]) {
424: client = document.forms[two];
425: $requiredchk
426: server.elements.uname.value = client.elements.uname.value;
427: server.elements.udom.value = client.elements.udom.value;
428:
429: uextkey=client.elements.uextkey.value;
430: lextkey=client.elements.lextkey.value;
431: initkeys();
432:
433: server.elements.upass.value
434: = crypted(client.elements.upass$now.value);
435:
436: client.elements.uname.value='';
437: client.elements.upass$now.value='';
438: if (context == 'email') {
439: $setuserinfo
440: client.elements.upasscheck$now.value='';
441: }
442: server.submit();
443: }
444: }
445: return false;
446: }
447: // ]]>
448: </script>
449: ENDSCRIPT
450: return $js;
451: }
452:
453: sub javascript_checkpass {
454: my ($now,$context) = @_;
455: my $nopass = &mt('You must enter a password.');
456: my $mismatchpass = &mt('The passwords you entered did not match.')."\n".
457: &mt('Please try again.');
458: &js_escape(\$nopass);
459: &js_escape(\$mismatchpass);
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 %js_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: &js_escape(\%js_lt);
501: $output .= <<"ENDSCRIPT";
502: function validate_email(client) {
503: field = client.uname;
504: if (validmail(field) == false) {
505: alert("$js_lt{'email'}: "+field.value+" $js_lt{'notv'}.");
506: return false;
507: }
508: return true;
509: }
510: ENDSCRIPT
511: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
512: return $output;
513: }
514:
515: sub print_username_form {
516: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$emailusername,
517: $usertype) = @_;
518: my %lt = &Apache::lonlocal::texthash (
519: unam => 'username',
520: udom => 'domain',
521: uemail => 'E-mail address in LON-CAPA',
522: proc => 'Proceed',
523: crac => 'Create account with a username provided by this institution',
524: clca => 'Create LON-CAPA account',
525: type => 'Type in your log-in ID and password to find out.',
526: plse => 'Please provide a password for your new account.',
527: info => 'Please provide user information and a password for your new account.',
528: yopw => 'Your password will be encrypted when sent (and stored).',
529: );
530: my $output;
531: if (ref($cancreate) eq 'ARRAY') {
532: if (grep(/^login$/,@{$cancreate})) {
533: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
534: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
535: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
536: $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 />').
537: '<br /><br />'.
538: $lt{'type'}.
539: '<br /><br />';
540: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
541: $domain,'createaccount').'</div>';
542: }
543: }
544: if (grep(/^email$/,@{$cancreate})) {
545: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
546: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
547: if ($error) {
548: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
549: if ($courseid ne '') {
550: $helpdesk .= '&courseid='.$courseid;
551: }
552: $output .= '<span class="LC_error">'.
553: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
554: '</span><br /><br />'.
555: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
556: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
557: } else {
558: if (grep(/^login$/,@{$cancreate})) {
559: $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 />'.
560: $lt{'plse'}.'<br />'.
561: $lt{'yopw'}.'<br />';
562: } else {
563: my $prompt = $lt{'plse'};
564: if (ref($emailusername) eq 'HASH') {
565: if (ref($emailusername->{$usertype}) eq 'HASH') {
566: if (keys(%{$emailusername->{$usertype}}) > 0) {
567: $prompt = $lt{'info'};
568: }
569: }
570: }
571: $output .= $prompt.'<br />'.
572: $lt{'yopw'}.'<br />';
573: }
574: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
575: $courseid,$emailusername,$captcha,$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,$token) = @_;
863: my ($is_balancer) = &Apache::lonnet::check_loadbalancing($username,$domain);
864: if ($is_balancer) {
865: Apache::lonauth::success($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=$courseid" : '/adm/roles'),
876: undef, {});
877: }
878: return;
879: }
880:
881: #
882: # The screen that the user gets to create his or her account
883: # Desired username, desired password, etc
884: # Stores token to store DES-key and stage during creation session
885: #
886: sub print_dataentry_form {
887: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$emailusername,$captcha,
888: $usertype) = @_;
889: my ($error,$output);
890: if (open(my $jsh,"<$include/londes.js")) {
891: while(my $line = <$jsh>) {
892: $r->print($line);
893: }
894: close($jsh);
895: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype)."\n".
896: &javascript_checkpass($now,'email');
897: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
898: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
899: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
900: $lonhost);
901: $output .=
902: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
903: if ($courseid ne '') {
904: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
905: }
906: if (ref($emailusername) eq 'HASH') {
907: if (ref($emailusername->{$usertype}) eq 'HASH') {
908: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
909: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
910: }
911: $output .= '<input type="hidden" name="type" value="" />'."\n";
912: }
913: }
914: if ($captcha eq 'original') {
915: $output .= '
916: <input type="hidden" name="crypt" value="" />
917: <input type="hidden" name="code" value="" />
918: ';
919: } elsif ($captcha eq 'recaptcha') {
920: $output .= '
921: <input type="hidden" name="recaptcha_challenge_field" value="" />
922: <input type="hidden" name="recaptcha_response_field" value="" />
923: ';
924: }
925: $output .= <<"ENDSERVERFORM";
926: <input type="hidden" name="logtoken" value="$logtoken" />
927: <input type="hidden" name="serverid" value="$lonhost" />
928: <input type="hidden" name="uname" value="" />
929: <input type="hidden" name="upass" value="" />
930: <input type="hidden" name="udom" value="" />
931: <input type="hidden" name="phase" value="createaccount" />
932: <input type="hidden" name="create_with_email" value="1" />
933: </form>
934: ENDSERVERFORM
935: my $beginclientform = '<form name="newemail" method="post" action="" '.
936: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
937: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
938: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
939: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
940: '</form>'."\n".
941: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
942: my ($datatable,$rowcount) =
943: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
944: '','',$now,$captchaform,
945: $emailusername,$usertype);
946: if ($rowcount) {
947: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
948: } else {
949: $output .= $beginclientform.$endclientform;
950: }
951: if ($rowcount) {
952: $output .= '</div>'."\n".
953: '<div class="LC_clear_float_footer"></div>'."\n";
954: }
955: } else {
956: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
957: }
958: return $output;
959: }
960:
961: #
962: # Retrieve rules for generating accounts from domain configuration
963: # Can the user make a new account or just self-enroll?
964:
965: sub get_creation_controls {
966: my ($domain,$usercreation) = @_;
967: my (@cancreate,@statustocreate,$emailusername);
968: if (ref($usercreation) eq 'HASH') {
969: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
970: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
971: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
972: if (@statustocreate == 0) {
973: my ($othertitle,$usertypes,$types) =
974: &Apache::loncommon::sorted_inst_types($domain);
975: if (ref($types) eq 'ARRAY') {
976: if (@{$types} == 0) {
977: @statustocreate = ('default');
978: }
979: } else {
980: @statustocreate = ('default');
981: }
982: }
983: } else {
984: @statustocreate = ('default');
985: my ($othertitle,$usertypes,$types) =
986: &Apache::loncommon::sorted_inst_types($domain);
987: if (ref($types) eq 'ARRAY') {
988: push(@statustocreate,@{$types});
989: }
990: }
991: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
992: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
993: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
994: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
995: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
996: }
997: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
998: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
999: } else {
1000: $emailusername = {
1001: default => {
1002: 'lastname' => '1',
1003: 'firstname' => 1,
1004: },
1005: };
1006: }
1007: }
1008: }
1009: return (\@cancreate,\@statustocreate,$emailusername);
1010: }
1011:
1012: sub create_account {
1013: my ($r,$domain,$domdesc,$dataref) = @_;
1014: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1015: my $end = '</span><br /><br />';
1016: my $rtnlink = '<a href="javascript:history.back();">'.
1017: &mt('Return to previous page').'</a>'.
1018: &Apache::loncommon::end_page();
1019: my $output;
1020: if (ref($dataref) eq 'HASH') {
1021: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
1022: $generation,$inststatus);
1023: $username = $dataref->{'username'};
1024: $encpass = $dataref->{'upass'};
1025: $serverid = $dataref->{'serverid'};
1026: $courseid = $dataref->{'courseid'};
1027: $id = $dataref->{'id'};
1028: $firstname = $dataref->{'firstname'};
1029: $middlename = $dataref->{'middlename'};
1030: $lastname = $dataref->{'lastname'};
1031: $generation = $dataref->{'generation'};
1032: $inststatus = $dataref->{'inststatus'};
1033:
1034: my $currhome = &Apache::lonnet::homeserver($username,$domain);
1035: unless ($currhome eq 'no_host') {
1036: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
1037: return ('fail',$error.$output.$end.$rtnlink);
1038: }
1039:
1040: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1041:
1042: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1043: if ($caller eq 'createaccount') {
1044: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1045:
1046: # See if we are allowed to use the proposed student/employee ID,
1047: # as per domain rules; if not, student/employee will be left blank.
1048:
1049: if ($id ne '') {
1050: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1051: if ($result eq 'fail') {
1052: $output = $error.&mt('Invalid ID format').$end.
1053: $userchkmsg;
1054: undef($id);
1055: }
1056: }
1057:
1058: # Create an internally authenticated account with password $upass
1059: # if the user account does not already exist.
1060: # Assign student/employee id, first name, last name, etc.
1061:
1062: my $result =
1063: &Apache::lonnet::modifyuser($domain,$username,$id,
1064: 'internal',$upass,$firstname,$middlename,
1065: $lastname,$generation,undef,undef,$username);
1066: $output = &mt('Generating user: [_1]',$result);
1067:
1068: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1069:
1070: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1071: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1072: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1073: }
1074: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1075: &Apache::lonnet::hostname($uhome).'<br /><br />';
1076: return ('ok',$output,$uhome);
1077: } else {
1078: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1079: undef($encpass);
1080: return ('fail',$error.$output.$end.$rtnlink);
1081: }
1082: } else {
1083: $output = &mt('Unable to retrieve information for your account request.');
1084: return ('fail',$error.$output.$end.$rtnlink);
1085: }
1086: }
1087:
1088: sub username_validation {
1089: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1090: $lonhost,$statustocreate) = @_;
1091: # $r: request object
1092: # $username,$domain: for the user who needs to be validated
1093: # $domdesc: full name of the domain (for error messages)
1094: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1095: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1096: # passed to start_session()
1097: # $lonhost: LON-CAPA lonHostID
1098: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1099:
1100: #
1101: # Sanitize incoming username and domain
1102: #
1103: $username= &LONCAPA::clean_username($username);
1104: $domain = &LONCAPA::clean_domain($domain);
1105:
1106: #
1107: # Check if LON-CAPA account already exists for $username:$domain
1108: #
1109: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1110:
1111: my $output;
1112:
1113: # Retrieve DES key from server using logtoken
1114:
1115: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1116: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1117: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1118: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1119: return ('fail',$output);
1120: } else {
1121: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1122: unless ($reply eq 'ok') {
1123: $output = &mt('Session could not be opened.');
1124: return ('fail',$output);
1125: }
1126: }
1127:
1128: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1129:
1130: my ($key,$caller)=split(/&/,$tmpinfo);
1131: my $upass;
1132: if ($caller eq 'createaccount') {
1133: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1134: } else {
1135: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1136: return ('fail',$output);
1137: }
1138: if ($uhome ne 'no_host') {
1139: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1140: if ($result ne 'no_host') {
1141: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1142: if ($redirect) {
1143: return ($redirect);
1144: }
1145: $output = '<br /><br />'.
1146: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1147: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1148: &mt('The password entered was also correct so you have been logged in.');
1149: return ('existingaccount',$output);
1150: } else {
1151: $output = &login_failure_msg($courseid);
1152: }
1153: } else {
1154: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1155: my $authok;
1156: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1157: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1158: ($domdefaults{'auth_def'} eq 'localauth')) {
1159: my $checkdefauth = 1;
1160: $authok =
1161: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1162: } else {
1163: $authok = 'non_authorized';
1164: }
1165: if ($authok eq 'authorized') {
1166: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1167: $contact_email,$contact_name,undef,
1168: $statustocreate);
1169: } else {
1170: $output = &login_failure_msg($courseid);
1171: }
1172: }
1173: return ('ok',$output);
1174: }
1175:
1176: sub login_failure_msg {
1177: my ($courseid) = @_;
1178: my $url;
1179: if ($courseid ne '') {
1180: $url = "/adm/selfenroll?courseid=".$courseid;
1181: } else {
1182: $url = "/adm/createaccount";
1183: }
1184: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1185: &mt('Username and/or password could not be authenticated.').
1186: '</div>'.
1187: &mt('Please check the username and password.').'<br /><br />';
1188: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1189: return $output;
1190: }
1191:
1192: sub username_check {
1193: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1194: $contact_name,$sso_logout,$statustocreate,$shibenv) = @_;
1195: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1196: %alerts,%curr_rules,%got_rules);
1197: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1198: \%inst_results,\%curr_rules,\%got_rules,'username');
1199: if (ref($alerts{'username'}) eq 'HASH') {
1200: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1201: if ($alerts{'username'}{$domain}{$username}) {
1202: if (ref($curr_rules{$domain}) eq 'HASH') {
1203: $output =
1204: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1205: 'selfcreate').
1206: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1207: $curr_rules{$domain}{'username'},'username');
1208: }
1209: $checkfail = 'username';
1210: }
1211: }
1212: }
1213: if (!$checkfail) {
1214: if (ref($statustocreate) eq 'ARRAY') {
1215: $checkfail = 'inststatus';
1216: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1217: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1218: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1219: undef($checkfail);
1220: last;
1221: }
1222: }
1223: } elsif (grep(/^default$/,@{$statustocreate})) {
1224: undef($checkfail);
1225: }
1226: }
1227: }
1228: if (!$checkfail) {
1229: $output = '<form method="post" action="/adm/createaccount">';
1230: if (ref($shibenv) eq 'HASH') {
1231: foreach my $key (keys(%{$shibenv})) {
1232: if ($ENV{$shibenv->{$key}} ne '') {
1233: $inst_results{$username.':'.$domain}{$key} = $ENV{$shibenv->{$key}};
1234: }
1235: }
1236: }
1237: (my $datatable,$rowcount,$editable) =
1238: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1239: $inst_results{$username.':'.$domain});
1240: if ($rowcount > 0) {
1241: $output .= $datatable;
1242: }
1243: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1244: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1245: '<input type="hidden" name="phase" value="username_activation" />';
1246: my $now = time;
1247: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1248: 'time' => $now,
1249: 'domain' => $domain,
1250: 'username' => $username);
1251: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1252: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1253: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1254: } else {
1255: $output = &mt('An error occurred when storing a token').'<br />'.
1256: &mt('You will not be able to proceed to the next stage of account creation').
1257: &linkto_email_help($contact_email,$domdesc);
1258: $checkfail = 'authtoken';
1259: }
1260: }
1261: if ($checkfail) {
1262: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1263: if ($checkfail eq 'username') {
1264: $msg .= '<span class="LC_warning">'.
1265: &mt('A LON-CAPA account may not be created with the username you use.').
1266: '</span><br /><br />'.$output;
1267: } elsif ($checkfail eq 'authtoken') {
1268: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1269: '<br />'.$output;
1270: } elsif ($checkfail eq 'inststatus') {
1271: $msg .= '<span class="LC_warning">'.
1272: &mt('You are not permitted to create a LON-CAPA account.').
1273: '</span><br /><br />'.$output;
1274: }
1275: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1276: $contact_name,$contact_email).'<br /><hr />'.
1277: $sso_logout;
1278: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1279: } else {
1280: if ($courseid ne '') {
1281: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1282: }
1283: $output .= '<input type="submit" name="newaccount" value="'.
1284: &mt('Create LON-CAPA account').'" /></form>';
1285: if ($rowcount) {
1286: if ($editable) {
1287: if ($courseid ne '') {
1288: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1289: }
1290: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1291: } else {
1292: if ($courseid ne '') {
1293: $msg = '<h4>'.&mt('Review user information').'</h4>';
1294: }
1295: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1296: }
1297: } else {
1298: if ($courseid ne '') {
1299: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1300: }
1301: $msg .= &mt('Confirm that you wish to create an account.');
1302: }
1303: $msg .= $output;
1304: }
1305: return $msg;
1306: }
1307:
1308: sub username_activation {
1309: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1310: my $output;
1311: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1312: my $end = '</span><br /><br />';
1313: my $rtnlink = '<a href="javascript:history.back();">'.
1314: &mt('Return to previous page').'</a>'.
1315: &Apache::loncommon::end_page();
1316: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1317: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1318: my $now = time;
1319: my $earlyout;
1320: my $timeout = 300;
1321: if (keys(%data) == 0) {
1322: $output = &mt('Sorry, your authentication has expired.');
1323: $earlyout = 'fail';
1324: }
1325: if (($data{'time'} !~ /^\d+$/) ||
1326: ($data{'domain'} ne $domain) ||
1327: ($data{'username'} ne $username)) {
1328: $earlyout = 'fail';
1329: $output = &mt('The credentials you provided could not be verified.');
1330: } elsif ($now - $data{'time'} > $timeout) {
1331: $earlyout = 'fail';
1332: $output = &mt('Sorry, your authentication has expired.');
1333: }
1334: if ($earlyout ne '') {
1335: my $link = '/adm/createaccount';
1336: if (&Apache::lonnet::domain($domain) ne '') {
1337: $link .= "?domain=$domain";
1338: }
1339: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1340: '<a href="'.$link.'">','</a>');
1341: return($earlyout,$output);
1342: }
1343: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1344: ($domdefaults{'auth_arg_def'} ne '')) ||
1345: ($domdefaults{'auth_def'} eq 'localauth')) {
1346: if ($env{'form.courseid'} ne '') {
1347: my $id = $env{'form.cid'};
1348: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1349: if ($result eq 'fail') {
1350: $output = $error.&mt('Invalid ID format').$end.
1351: $userchkmsg.$rtnlink;
1352: return ('fail',$output);
1353: }
1354: }
1355: # Call modifyuser
1356: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1357: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1358: \%inst_results,\%curr_rules,\%got_rules);
1359: my @userinfo = ('firstname','middlename','lastname','generation',
1360: 'permanentemail','id');
1361: my %canmodify =
1362: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1363: \@userinfo,\%inst_results);
1364: foreach my $item (@userinfo) {
1365: if ($canmodify{$item}) {
1366: $info{$item} = $env{'form.c'.$item};
1367: } else {
1368: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1369: }
1370: }
1371: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1372: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1373: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1374: }
1375: my $result =
1376: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1377: $domdefaults{'auth_def'},
1378: $domdefaults{'auth_arg_def'},$info{'firstname'},
1379: $info{'middlename'},$info{'lastname'},
1380: $info{'generation'},undef,undef,
1381: $info{'permanentemail'},$info{'inststatus'});
1382: if ($result eq 'ok') {
1383: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1384: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1385: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1386: my $nostart = 1;
1387: my $response = 'ok';
1388: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1389: if ($redirect) {
1390: $response = $redirect;
1391: }
1392: return ($response,$output,$nostart);
1393: } else {
1394: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1395: return ('fail',$output);
1396: }
1397: } else {
1398: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1399: return('fail',$output);
1400: }
1401: }
1402:
1403: sub check_id {
1404: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1405: # Check student/employee ID format
1406: # Is proposed student/employee ID acceptable according to domain's rules.
1407: # $domdesc is just used for user error messages
1408: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1409: my %checks = ('id' => 1);
1410: %{$checkhash{$username.':'.$domain}} = (
1411: 'newuser' => 1,
1412: 'id' => $id,
1413: );
1414: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1415: \%rulematch,\%inst_results,\%curr_rules);
1416: if (ref($alerts{'id'}) eq 'HASH') {
1417: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1418: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1419: my $userchkmsg;
1420: if (ref($curr_rules{$domain}) eq 'HASH') {
1421: if ($usernametype eq 'email') {
1422: $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.');
1423: } else {
1424: $userchkmsg =
1425: &Apache::loncommon::instrule_disallow_msg('id',
1426: $domdesc,1).
1427: &Apache::loncommon::user_rule_formats($domain,
1428: $domdesc,$curr_rules{$domain}{'id'},'id');
1429: }
1430: }
1431: return ('fail',$userchkmsg);
1432: }
1433: }
1434: }
1435: return;
1436: }
1437:
1438: sub invalid_state {
1439: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1440: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1441: if ($error eq 'baduseremail') {
1442: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1443: } elsif ($error eq 'badusername') {
1444: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1445: } elsif ($error eq 'existinguser') {
1446: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1447: } elsif ($error eq 'userrules') {
1448: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1449: } elsif ($error eq 'userformat') {
1450: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1451: } elsif ($error eq 'captcha') {
1452: $msg .= &mt('Validation of the code you entered failed.');
1453: } elsif ($error eq 'noemails') {
1454: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1455: }
1456: $msg .= '</span>';
1457: if ($msgtext) {
1458: $msg .= '<br />'.$msgtext;
1459: }
1460: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1461: return $msg;
1462: }
1463:
1464: sub linkto_email_help {
1465: my ($contact_email,$domdesc,$error) = @_;
1466: my $msg;
1467: my $href = '/adm/helpdesk';
1468: if ($contact_email ne '') {
1469: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1470: $href .= '?origurl='.$escuri;
1471: if ($error eq 'existinguser') {
1472: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1473: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1474: }
1475: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1476: } else {
1477: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1478: }
1479: return $msg;
1480: }
1481:
1482: sub getkeys {
1483: my ($lkey,$ukey) = @_;
1484: my $lextkey=hex($lkey);
1485: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1486:
1487: my $uextkey=hex($ukey);
1488: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1489: return ($lextkey,$uextkey);
1490: }
1491:
1492: sub serverform {
1493: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1494: my $phase = 'username_validation';
1495: my $catalog_elements;
1496: if ($context eq 'selfenroll') {
1497: $phase = 'selfenroll_login';
1498: }
1499: if ($courseid ne '') {
1500: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1501: }
1502: my $output = <<ENDSERVERFORM;
1503: <form name="server" method="post" action="/adm/createaccount">
1504: <input type="hidden" name="logtoken" value="$logtoken" />
1505: <input type="hidden" name="token" value="$mailtoken" />
1506: <input type="hidden" name="serverid" value="$lonhost" />
1507: <input type="hidden" name="uname" value="" />
1508: <input type="hidden" name="upass" value="" />
1509: <input type="hidden" name="udom" value="" />
1510: <input type="hidden" name="phase" value="$phase" />
1511: <input type="hidden" name="courseid" value="$courseid" />
1512: $catalog_elements
1513: </form>
1514: ENDSERVERFORM
1515: return $output;
1516: }
1517:
1518: sub store_request {
1519: my ($dom,$username,$val,$dataref,$settings) = @_;
1520: my $output;
1521: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1522: my $key = &escape($username);
1523: my $now = time();
1524: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1525: $dom,$domconfiguser) eq 'ok') {
1526: if (ref($dataref) eq 'HASH') {
1527: my $logtoken = $dataref->{'tmpinfo'};
1528: my $serverid = $dataref->{'serverid'};
1529: if ($logtoken && $serverid) {
1530: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1531: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1532: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1533: if ($reply eq 'ok') {
1534: my ($key,$caller)=split(/&/,$tmpinfo);
1535: $dataref->{'key'} = $key;
1536: undef($dataref->{'tmpinfo'});
1537: undef($dataref->{'serverid'});
1538: }
1539: }
1540: }
1541: }
1542: my %userrequest = ( $username => $dataref );
1543: $userrequest{$username}{timestamp} = $now;
1544: $userrequest{$username}{status} = $val;
1545: my $notifylist;
1546: if (ref($settings) eq 'HASH') {
1547: if (ref($settings->{'cancreate'}) eq 'HASH') {
1548: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1549: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1550: if ($notifylist) {
1551: my $sender = $domconfiguser.':'.$dom;
1552: my $domdesc = &Apache::lonnet::domain($dom,'description');
1553: my $fullname;
1554: if (ref($dataref) eq 'HASH') {
1555: if ($dataref->{'firstname'}) {
1556: $fullname = $dataref->{'firstname'};
1557: }
1558: if ($dataref->{'lastname'}) {
1559: $fullname .= ' '.$dataref->{'lastname'};
1560: }
1561: $fullname =~ s/^\s+|\s+$//g;
1562: }
1563: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1564: "$fullname ($username)",
1565: undef,$domdesc,$now,'usernamereq',$sender);
1566: }
1567: }
1568: }
1569: }
1570: my $userresult =
1571: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1572: $output = '<p class="LC_info">'.
1573: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1574: '</p>'.
1575: '<p class="LC_info">'.
1576: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1577: '</p>';
1578: } else {
1579: $output = '<span class="LC_error">'.
1580: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1581: '</span>';
1582: }
1583: return $output;
1584: }
1585:
1586: sub guest_format_check {
1587: my ($useremail,$domain,$cancreate,$settings) = @_;
1588: my ($login,$format_match,$format_msg,@user_rules);
1589: if (ref($settings) eq 'HASH') {
1590: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1591: push(@user_rules,@{$settings->{'email_rule'}});
1592: }
1593: }
1594: if (@user_rules > 0) {
1595: my %rule_check =
1596: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1597: 'selfcreate',\@user_rules);
1598: if (keys(%rule_check) > 0) {
1599: foreach my $item (keys(%rule_check)) {
1600: if ($rule_check{$item}) {
1601: $format_match = 1;
1602: last;
1603: }
1604: }
1605: }
1606: }
1607: if ($format_match) {
1608: ($login) = ($useremail =~ /^([^\@]+)\@/);
1609: $format_msg = '<br />'.
1610: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1611: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1612: if (ref($cancreate) eq 'ARRAY') {
1613: if (grep(/^login$/,@{$cancreate})) {
1614: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1615: }
1616: }
1617: }
1618: return $format_msg;
1619: }
1620:
1621: sub sso_logout_frag {
1622: my ($r,$domain) = @_;
1623: my $endsessionmsg;
1624: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1625: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1626: if (-e $msgfile) {
1627: open(my $fh,"<$msgfile");
1628: $endsessionmsg = join('',<$fh>);
1629: close($fh);
1630: }
1631: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1632: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1633: if (-e $msgfile) {
1634: open(my $fh,"<$msgfile");
1635: $endsessionmsg = join('',<$fh>);
1636: close($fh);
1637: }
1638: }
1639: return $endsessionmsg;
1640: }
1641:
1642: sub catreturn_js {
1643: return <<"ENDSCRIPT";
1644: <script type="text/javascript">
1645: // <![CDATA[
1646: function ToSelfenroll(formname) {
1647: var formidx = getFormByName(formname);
1648: if (formidx > -1) {
1649: document.forms[formidx].action = '/adm/selfenroll';
1650: numidx = getIndexByName(formidx,'phase');
1651: if (numidx > -1) {
1652: document.forms[formidx].elements[numidx].value = '';
1653: }
1654: numidx = getIndexByName(formidx,'context');
1655: if (numidx > -1) {
1656: document.forms[formidx].elements[numidx].value = '';
1657: }
1658: }
1659: document.forms[formidx].submit();
1660: }
1661:
1662: function ToCatalog(formname,caller) {
1663: var formidx = getFormByName(formname);
1664: if (formidx > -1) {
1665: document.forms[formidx].action = '/adm/coursecatalog';
1666: numidx = getIndexByName(formidx,'coursenum');
1667: if (numidx > -1) {
1668: if (caller != 'details') {
1669: document.forms[formidx].elements[numidx].value = '';
1670: }
1671: }
1672: }
1673: document.forms[formidx].submit();
1674: }
1675:
1676: function getIndexByName(formidx,item) {
1677: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1678: if (document.forms[formidx].elements[i].name == item) {
1679: return i;
1680: }
1681: }
1682: return -1;
1683: }
1684:
1685: function getFormByName(item) {
1686: for (var i=0; i<document.forms.length; i++) {
1687: if (document.forms[i].name == item) {
1688: return i;
1689: }
1690: }
1691: return -1;
1692: }
1693: // ]]>
1694: </script>
1695: ENDSCRIPT
1696:
1697: }
1698:
1699: 1;
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