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 1.72.2.1 2017/11/16 23:38:40 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 $now=time;
280: if ((grep(/^login$/,@{$cancreate})) && (!grep(/^email$/,@{$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','g-recaptcha-response',
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,$recaptchaversion) = @_;
370: my ($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: if ($recaptchaversion ne '2') {
386: $setuserinfo .=
387: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
388: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
389: }
390: }
391: }
392: if (@required) {
393: my $missprompt = &mt('One or more required fields are currently blank.');
394: &js_escape(\$missprompt);
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: $requiredchk
428: server.elements.uname.value = client.elements.uname.value;
429: server.elements.udom.value = client.elements.udom.value;
430:
431: uextkey=client.elements.uextkey.value;
432: lextkey=client.elements.lextkey.value;
433: initkeys();
434:
435: server.elements.upass.value
436: = getCrypted(client.elements.upass$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: // ]]>
451: </script>
452: ENDSCRIPT
453: if (($captcha eq 'recaptcha') && ($recaptchaversion eq '2')) {
454: $js .= "\n".'<script src="https://www.google.com/recaptcha/api.js"></script>'."\n";
455: }
456: return $js;
457: }
458:
459: sub javascript_checkpass {
460: my ($now,$context) = @_;
461: my $nopass = &mt('You must enter a password.');
462: my $mismatchpass = &mt('The passwords you entered did not match.')."\n".
463: &mt('Please try again.');
464: &js_escape(\$nopass);
465: &js_escape(\$mismatchpass);
466: my $js = <<"ENDSCRIPT";
467: <script type="text/javascript">
468: // <![CDATA[
469: function checkpass(one,two) {
470: var client;
471: if (document.forms[two]) {
472: client = document.forms[two];
473: var upass = client.elements.upass$now.value;
474: var upasscheck = client.elements.upasscheck$now.value;
475: if (upass == '') {
476: alert("$nopass");
477: return false;
478: }
479: if (upass == upasscheck) {
480: client.elements.upasscheck$now.value='';
481: if (validate_email(client)) {
482: send(one,two,'$context');
483: }
484: return false;
485: } else {
486: alert("$mismatchpass");
487: return false;
488: }
489: }
490: return false;
491: }
492: // ]]>
493: </script>
494: ENDSCRIPT
495: return $js;
496: }
497:
498: sub javascript_validmail {
499: my %js_lt = &Apache::lonlocal::texthash (
500: email => 'The e-mail address you entered',
501: notv => 'is not a valid e-mail address',
502: );
503: my $output = "\n".'<script type="text/javascript">'."\n".
504: '// <![CDATA['."\n".
505: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
506: &js_escape(\%js_lt);
507: $output .= <<"ENDSCRIPT";
508: function validate_email(client) {
509: field = client.uname;
510: if (validmail(field) == false) {
511: alert("$js_lt{'email'}: "+field.value+" $js_lt{'notv'}.");
512: return false;
513: }
514: return true;
515: }
516: ENDSCRIPT
517: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
518: return $output;
519: }
520:
521: sub print_username_form {
522: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$emailusername,
523: $usertype) = @_;
524: my %lt = &Apache::lonlocal::texthash (
525: unam => 'username',
526: udom => 'domain',
527: uemail => 'E-mail address in LON-CAPA',
528: proc => 'Proceed',
529: crac => 'Create account with a username provided by this institution',
530: clca => 'Create LON-CAPA account',
531: type => 'Type in your log-in ID and password to find out.',
532: plse => 'Please provide a password for your new account.',
533: info => 'Please provide user information and a password for your new account.',
534: yopw => 'Your password will be encrypted when sent (and stored).',
535: );
536: my $output;
537: if (ref($cancreate) eq 'ARRAY') {
538: if (grep(/^login$/,@{$cancreate})) {
539: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
540: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
541: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
542: $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 />').
543: '<br /><br />'.
544: $lt{'type'}.
545: '<br /><br />';
546: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
547: $domain,'createaccount').'</div>';
548: }
549: }
550: if (grep(/^email$/,@{$cancreate})) {
551: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
552: my ($captchaform,$error,$captcha,$recaptchaversion) =
553: &Apache::loncommon::captcha_display('usercreation',$lonhost);
554: if ($error) {
555: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
556: if ($courseid ne '') {
557: $helpdesk .= '&courseid='.$courseid;
558: }
559: $output .= '<span class="LC_error">'.
560: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
561: '</span><br /><br />'.
562: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
563: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
564: } else {
565: if (grep(/^login$/,@{$cancreate})) {
566: $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 />'.
567: $lt{'plse'}.'<br />'.
568: $lt{'yopw'}.'<br />';
569: } else {
570: my $prompt = $lt{'plse'};
571: if (ref($emailusername) eq 'HASH') {
572: if (ref($emailusername->{$usertype}) eq 'HASH') {
573: if (keys(%{$emailusername->{$usertype}}) > 0) {
574: $prompt = $lt{'info'};
575: }
576: }
577: }
578: $output .= $prompt.'<br />'.
579: $lt{'yopw'}.'<br />';
580: }
581: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
582: $courseid,$emailusername,$captcha,$usertype,
583: $recaptchaversion);
584: }
585: $output .= '</div>';
586: }
587: }
588: if ($output eq '') {
589: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
590: } else {
591: $output .= '<div class="LC_clear_float_footer"></div>';
592: }
593: return $output;
594: }
595:
596: sub login_box {
597: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
598: my $output;
599: my %titles = &Apache::lonlocal::texthash(
600: createaccount => 'Log-in ID',
601: selfenroll => 'Username',
602: );
603: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
604: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
605: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
606: $lonhost);
607: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
608: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
609: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
610: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
611: &Apache::lonhtmlcommon::start_pick_box()."\n".
612: &Apache::lonhtmlcommon::row_title($titles{$context},
613: 'LC_pick_box_title')."\n".
614: $unameform."\n".
615: &Apache::lonhtmlcommon::row_closure(1)."\n".
616: &Apache::lonhtmlcommon::row_title(&mt('Password'),
617: 'LC_pick_box_title')."\n".
618: $upassform;
619: if ($context eq 'selfenroll') {
620: my $udomform = '<input type="text" name="udom" size="10" value="'.
621: $domain.'" />';
622: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
623: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
624: 'LC_pick_box_title')."\n".
625: $udomform."\n";
626: } else {
627: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
628: }
629: $output .= &Apache::lonhtmlcommon::row_closure(1).
630: &Apache::lonhtmlcommon::row_title().
631: '<br /><input type="submit" name="username_validation" value="'.
632: $submit_text.'" />'."\n";
633: if ($context eq 'selfenroll') {
634: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
635: '<span class="LC_fontsize_medium">'.
636: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
637: '</span></td></tr></table>'."\n";
638: }
639: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
640: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
641: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
642: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
643: '</form>';
644: return $output;
645: }
646:
647: sub process_email_request {
648: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
649: $server,$settings,$emailusername,$courseid,$usertype) = @_;
650: my $output;
651: if (ref($cancreate) eq 'ARRAY') {
652: if (!grep(/^email$/,@{$cancreate})) {
653: $output = &invalid_state('noemails',$domdesc,
654: $contact_name,$contact_email);
655: return $output;
656: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
657: $output = &invalid_state('baduseremail',$domdesc,
658: $contact_name,$contact_email);
659: return $output;
660: } else {
661: $useremail =~ s/^\s+|\s+$//g;
662: my $uname=&LONCAPA::clean_username($useremail);
663: if ($useremail ne $uname) {
664: $output = &invalid_state('badusername',$domdesc,
665: $contact_name,$contact_email);
666: return $output;
667: }
668: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
669: if ($uhome ne 'no_host') {
670: $output = &invalid_state('existinguser',$domdesc,
671: $contact_name,$contact_email);
672: return $output;
673: } else {
674: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
675: if ($captcha_chk != 1) {
676: $output = &invalid_state('captcha',$domdesc,$contact_name,
677: $contact_email,$captcha_error);
678: return $output;
679: }
680: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
681: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
682: \%inst_results,\%curr_rules,\%got_rules,'username');
683: if (ref($alerts{'username'}) eq 'HASH') {
684: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
685: if ($alerts{'username'}{$domain}{$useremail}) {
686: $output = &invalid_state('userrules',$domdesc,
687: $contact_name,$contact_email);
688: return $output;
689: }
690: }
691: }
692: my $format_msg =
693: &guest_format_check($useremail,$domain,$cancreate,
694: $settings);
695: if ($format_msg) {
696: $output = &invalid_state('userformat',$domdesc,$contact_name,
697: $contact_email,$format_msg);
698: return $output;
699: }
700: }
701: }
702: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
703: $contact_email,$courseid,$emailusername,$usertype);
704: }
705: return $output;
706: }
707:
708: sub call_rulecheck {
709: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
710: $got_rules,$tocheck) = @_;
711: my ($checkhash,$checks);
712: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
713: if ($tocheck eq 'username') {
714: $checks = { 'username' => 1 };
715: }
716: &Apache::loncommon::user_rule_check($checkhash,$checks,
717: $alerts,$rulematch,$inst_results,$curr_rules,
718: $got_rules);
719: return;
720: }
721:
722: sub send_token {
723: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername,
724: $usertype) = @_;
725: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
726: &mt('Thank you for your request to create a new LON-CAPA account.').
727: '<br /><br />';
728: my $now = time;
729: $env{'form.logtoken'} =~ s/(`)//g;
730: if ($env{'form.logtoken'}) {
731: my $logtoken = $env{'form.logtoken'};
732: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
733: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
734: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
735: .'<br />'.&mt('Return to the previous page to try again.');
736: } else {
737: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
738: unless ($reply eq 'ok') {
739: $msg .= &mt('Request could not be processed.');
740: }
741: }
742: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
743: 'time' => $now,
744: 'domain' => $domain,
745: 'username' => $email,
746: 'courseid' => $courseid,
747: 'upass' => $env{'form.upass'},
748: 'serverid' => $env{'form.serverid'},
749: 'tmpinfo' => $tmpinfo);
750:
751: if (ref($emailusername) eq 'HASH') {
752: if (ref($emailusername->{$usertype}) eq 'HASH') {
753: foreach my $item (keys(%{$emailusername->{$usertype}})) {
754: $info{$item} = $env{'form.'.$item};
755: $info{$item} =~ s/(`)//g;
756: }
757: unless ($usertype eq 'default') {
758: $info{'inststatus'} = $usertype;
759: }
760: }
761: }
762: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
763: if ($token !~ /^error/ && $token ne 'no_such_host') {
764: my $esc_token = &escape($token);
765: my $showtime = localtime(time);
766: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
767: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
768: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
769: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
770: $contact_email);
771: if ($result eq 'ok') {
772: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
773: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
774: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
775: } else {
776: $msg .= '<span class="LC_error">'.
777: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
778: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
779: }
780: } else {
781: $msg .= '<span class="LC_error">'.
782: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
783: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
784: }
785: } else {
786: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
787: .'<br />'.&mt('Return to the previous page to try again.');
788:
789: }
790: return $msg;
791: }
792:
793: sub process_mailtoken {
794: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
795: $include,$start_page,$cancreate,$settings,$usertype) = @_;
796: my ($msg,$nostart,$noend,$redirect);
797: my %data = &Apache::lonnet::tmpget($token);
798: my $now = time;
799: if (keys(%data) == 0) {
800: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
801: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
802: .' '.&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.',
803: '<a href="/adm/createaccount">','</a>');
804: return $msg;
805: }
806: if (($data{'time'} =~ /^\d+$/) &&
807: ($data{'domain'} ne '') &&
808: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
809: if ($now - $data{'time'} < 7200) {
810: # Check if request should be queued.
811: if (ref($cancreate) eq 'ARRAY') {
812: my $disposition;
813: if (grep(/^email$/,@{$cancreate})) {
814: if (ref($settings) eq 'HASH') {
815: if (ref($settings->{'cancreate'}) eq 'HASH') {
816: if (ref($settings->{'cancreate'}{'selfcreateprocessing'}) eq 'HASH') {
817: $disposition = $settings->{'cancreate'}{'selfcreateprocessing'}{$usertype};
818: }
819: }
820: }
821: if ($disposition eq 'approval') {
822: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
823: my $delete = &Apache::lonnet::tmpdel($token);
824: } else {
825: my ($result,$output,$uhome) =
826: &create_account($r,$domain,$domdesc,\%data);
827: if ($result eq 'ok') {
828: $msg = $output;
829: my $shownow = &Apache::lonlocal::locallocaltime($now);
830: 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";
831: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
832: $mailmsg,$contact_name,
833: $contact_email);
834: if ($mailresult eq 'ok') {
835: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
836: } else {
837: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
838: }
839: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
840: $data{'courseid'},$token);
841: $nostart = 1;
842: $noend = 1;
843: } else {
844: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
845: .'<br />'.$output;
846: if (($contact_name ne '') && ($contact_email ne '')) {
847: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
848: }
849: }
850: my $delete = &Apache::lonnet::tmpdel($token);
851: }
852: } else {
853: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
854: }
855: } else {
856: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
857: }
858: } else {
859: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
860: .' '.&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>');
861: }
862: } else {
863: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
864: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
865: }
866: return ($msg,$nostart,$noend,$redirect);
867: }
868:
869: sub start_session {
870: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
871: my ($is_balancer) = &Apache::lonnet::check_loadbalancing($username,$domain);
872: if ($is_balancer) {
873: Apache::lonauth::success($r, $username, $domain, $uhome,
874: 'noredirect', undef, {});
875:
876: Apache::lonnet::tmpdel($token) if $token;
877:
878: return 'redirect';
879: } else {
880: $courseid = Apache::lonnet::is_course($courseid);
881:
882: Apache::lonauth::success($r, $username, $domain, $uhome,
883: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
884: undef, {});
885: }
886: return;
887: }
888:
889: #
890: # The screen that the user gets to create his or her account
891: # Desired username, desired password, etc
892: # Stores token to store DES-key and stage during creation session
893: #
894: sub print_dataentry_form {
895: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$emailusername,$captcha,
896: $usertype,$recaptchaversion) = @_;
897: my ($error,$output);
898: if (open(my $jsh,"<","$include/londes.js")) {
899: while(my $line = <$jsh>) {
900: $r->print($line);
901: }
902: close($jsh);
903: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype,$recaptchaversion).
904: "\n".&javascript_checkpass($now,'email');
905: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
906: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
907: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
908: $lonhost);
909: $output .=
910: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
911: if ($courseid ne '') {
912: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
913: }
914: if (ref($emailusername) eq 'HASH') {
915: if (ref($emailusername->{$usertype}) eq 'HASH') {
916: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
917: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
918: }
919: $output .= '<input type="hidden" name="type" value="" />'."\n";
920: }
921: }
922: if ($captcha eq 'original') {
923: $output .= '
924: <input type="hidden" name="crypt" value="" />
925: <input type="hidden" name="code" value="" />
926: ';
927: } elsif ($captcha eq 'recaptcha') {
928: if ($recaptchaversion eq '2') {
929: $output .= "$captchaform\n";
930: undef($captchaform);
931: } else {
932: $output .= '
933: <input type="hidden" name="recaptcha_challenge_field" value="" />
934: <input type="hidden" name="recaptcha_response_field" value="" />
935: ';
936: }
937: }
938: $output .= <<"ENDSERVERFORM";
939: <input type="hidden" name="logtoken" value="$logtoken" />
940: <input type="hidden" name="serverid" value="$lonhost" />
941: <input type="hidden" name="uname" value="" />
942: <input type="hidden" name="upass" value="" />
943: <input type="hidden" name="udom" value="" />
944: <input type="hidden" name="phase" value="createaccount" />
945: <input type="hidden" name="create_with_email" value="1" />
946: </form>
947: ENDSERVERFORM
948: my $beginclientform = '<form name="newemail" method="post" action="" '.
949: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
950: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
951: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
952: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
953: '</form>'."\n".
954: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
955: my ($datatable,$rowcount) =
956: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
957: '','',$now,$captchaform,
958: $emailusername,$usertype);
959: if ($rowcount) {
960: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
961: } else {
962: $output .= $beginclientform.$endclientform;
963: }
964: if ($rowcount) {
965: $output .= '</div>'."\n".
966: '<div class="LC_clear_float_footer"></div>'."\n";
967: }
968: } else {
969: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
970: }
971: return $output;
972: }
973:
974: #
975: # Retrieve rules for generating accounts from domain configuration
976: # Can the user make a new account or just self-enroll?
977:
978: sub get_creation_controls {
979: my ($domain,$usercreation) = @_;
980: my (@cancreate,@statustocreate,$emailusername);
981: if (ref($usercreation) eq 'HASH') {
982: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
983: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
984: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
985: if (@statustocreate == 0) {
986: my ($othertitle,$usertypes,$types) =
987: &Apache::loncommon::sorted_inst_types($domain);
988: if (ref($types) eq 'ARRAY') {
989: if (@{$types} == 0) {
990: @statustocreate = ('default');
991: }
992: } else {
993: @statustocreate = ('default');
994: }
995: }
996: } else {
997: @statustocreate = ('default');
998: my ($othertitle,$usertypes,$types) =
999: &Apache::loncommon::sorted_inst_types($domain);
1000: if (ref($types) eq 'ARRAY') {
1001: push(@statustocreate,@{$types});
1002: }
1003: }
1004: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
1005: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
1006: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
1007: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
1008: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
1009: }
1010: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
1011: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
1012: } else {
1013: $emailusername = {
1014: default => {
1015: 'lastname' => '1',
1016: 'firstname' => 1,
1017: },
1018: };
1019: }
1020: }
1021: }
1022: return (\@cancreate,\@statustocreate,$emailusername);
1023: }
1024:
1025: sub create_account {
1026: my ($r,$domain,$domdesc,$dataref) = @_;
1027: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1028: my $end = '</span><br /><br />';
1029: my $rtnlink = '<a href="javascript:history.back();">'.
1030: &mt('Return to previous page').'</a>'.
1031: &Apache::loncommon::end_page();
1032: my $output;
1033: if (ref($dataref) eq 'HASH') {
1034: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
1035: $generation,$inststatus);
1036: $username = $dataref->{'username'};
1037: $encpass = $dataref->{'upass'};
1038: $serverid = $dataref->{'serverid'};
1039: $courseid = $dataref->{'courseid'};
1040: $id = $dataref->{'id'};
1041: $firstname = $dataref->{'firstname'};
1042: $middlename = $dataref->{'middlename'};
1043: $lastname = $dataref->{'lastname'};
1044: $generation = $dataref->{'generation'};
1045: $inststatus = $dataref->{'inststatus'};
1046:
1047: my $currhome = &Apache::lonnet::homeserver($username,$domain);
1048: unless ($currhome eq 'no_host') {
1049: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
1050: return ('fail',$error.$output.$end.$rtnlink);
1051: }
1052:
1053: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1054:
1055: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1056: if ($caller eq 'createaccount') {
1057: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1058:
1059: # See if we are allowed to use the proposed student/employee ID,
1060: # as per domain rules; if not, student/employee will be left blank.
1061:
1062: if ($id ne '') {
1063: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1064: if ($result eq 'fail') {
1065: $output = $error.&mt('Invalid ID format').$end.
1066: $userchkmsg;
1067: undef($id);
1068: }
1069: }
1070:
1071: # Create an internally authenticated account with password $upass
1072: # if the user account does not already exist.
1073: # Assign student/employee id, first name, last name, etc.
1074:
1075: my $result =
1076: &Apache::lonnet::modifyuser($domain,$username,$id,
1077: 'internal',$upass,$firstname,$middlename,
1078: $lastname,$generation,undef,undef,$username);
1079: $output = &mt('Generating user: [_1]',$result);
1080:
1081: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1082:
1083: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1084: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1085: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1086: }
1087: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1088: &Apache::lonnet::hostname($uhome).'<br /><br />';
1089: return ('ok',$output,$uhome);
1090: } else {
1091: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1092: undef($encpass);
1093: return ('fail',$error.$output.$end.$rtnlink);
1094: }
1095: } else {
1096: $output = &mt('Unable to retrieve information for your account request.');
1097: return ('fail',$error.$output.$end.$rtnlink);
1098: }
1099: }
1100:
1101: sub username_validation {
1102: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1103: $lonhost,$statustocreate) = @_;
1104: # $r: request object
1105: # $username,$domain: for the user who needs to be validated
1106: # $domdesc: full name of the domain (for error messages)
1107: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1108: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1109: # passed to start_session()
1110: # $lonhost: LON-CAPA lonHostID
1111: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1112:
1113: #
1114: # Sanitize incoming username and domain
1115: #
1116: $username= &LONCAPA::clean_username($username);
1117: $domain = &LONCAPA::clean_domain($domain);
1118:
1119: #
1120: # Check if LON-CAPA account already exists for $username:$domain
1121: #
1122: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1123:
1124: my $output;
1125:
1126: # Retrieve DES key from server using logtoken
1127:
1128: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1129: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1130: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1131: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1132: return ('fail',$output);
1133: } else {
1134: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1135: unless ($reply eq 'ok') {
1136: $output = &mt('Session could not be opened.');
1137: return ('fail',$output);
1138: }
1139: }
1140:
1141: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1142:
1143: my ($key,$caller)=split(/&/,$tmpinfo);
1144: my $upass;
1145: if ($caller eq 'createaccount') {
1146: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1147: } else {
1148: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1149: return ('fail',$output);
1150: }
1151: if ($uhome ne 'no_host') {
1152: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1153: if ($result ne 'no_host') {
1154: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1155: if ($redirect) {
1156: return ($redirect);
1157: }
1158: $output = '<br /><br />'.
1159: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1160: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1161: &mt('The password entered was also correct so you have been logged in.');
1162: return ('existingaccount',$output);
1163: } else {
1164: $output = &login_failure_msg($courseid);
1165: }
1166: } else {
1167: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1168: my $authok;
1169: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1170: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1171: ($domdefaults{'auth_def'} eq 'localauth')) {
1172: my $checkdefauth = 1;
1173: $authok =
1174: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1175: } else {
1176: $authok = 'non_authorized';
1177: }
1178: if ($authok eq 'authorized') {
1179: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1180: $contact_email,$contact_name,undef,
1181: $statustocreate);
1182: } else {
1183: $output = &login_failure_msg($courseid);
1184: }
1185: }
1186: return ('ok',$output);
1187: }
1188:
1189: sub login_failure_msg {
1190: my ($courseid) = @_;
1191: my $url;
1192: if ($courseid ne '') {
1193: $url = "/adm/selfenroll?courseid=".$courseid;
1194: } else {
1195: $url = "/adm/createaccount";
1196: }
1197: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1198: &mt('Username and/or password could not be authenticated.').
1199: '</div>'.
1200: &mt('Please check the username and password.').'<br /><br />';
1201: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1202: return $output;
1203: }
1204:
1205: sub username_check {
1206: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1207: $contact_name,$sso_logout,$statustocreate,$shibenv) = @_;
1208: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1209: %alerts,%curr_rules,%got_rules);
1210: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1211: \%inst_results,\%curr_rules,\%got_rules,'username');
1212: if (ref($alerts{'username'}) eq 'HASH') {
1213: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1214: if ($alerts{'username'}{$domain}{$username}) {
1215: if (ref($curr_rules{$domain}) eq 'HASH') {
1216: $output =
1217: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1218: 'selfcreate').
1219: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1220: $curr_rules{$domain}{'username'},'username');
1221: }
1222: $checkfail = 'username';
1223: }
1224: }
1225: }
1226: if (!$checkfail) {
1227: if (ref($statustocreate) eq 'ARRAY') {
1228: $checkfail = 'inststatus';
1229: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1230: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1231: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1232: undef($checkfail);
1233: last;
1234: }
1235: }
1236: } elsif (grep(/^default$/,@{$statustocreate})) {
1237: undef($checkfail);
1238: }
1239: }
1240: }
1241: if (!$checkfail) {
1242: $output = '<form method="post" action="/adm/createaccount">';
1243: if (ref($shibenv) eq 'HASH') {
1244: foreach my $key (keys(%{$shibenv})) {
1245: if ($ENV{$shibenv->{$key}} ne '') {
1246: $inst_results{$username.':'.$domain}{$key} = $ENV{$shibenv->{$key}};
1247: }
1248: }
1249: }
1250: (my $datatable,$rowcount,$editable) =
1251: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1252: $inst_results{$username.':'.$domain});
1253: if ($rowcount > 0) {
1254: $output .= $datatable;
1255: }
1256: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1257: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1258: '<input type="hidden" name="phase" value="username_activation" />';
1259: my $now = time;
1260: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1261: 'time' => $now,
1262: 'domain' => $domain,
1263: 'username' => $username);
1264: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1265: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1266: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1267: } else {
1268: $output = &mt('An error occurred when storing a token').'<br />'.
1269: &mt('You will not be able to proceed to the next stage of account creation').
1270: &linkto_email_help($contact_email,$domdesc);
1271: $checkfail = 'authtoken';
1272: }
1273: }
1274: if ($checkfail) {
1275: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1276: if ($checkfail eq 'username') {
1277: $msg .= '<span class="LC_warning">'.
1278: &mt('A LON-CAPA account may not be created with the username you use.').
1279: '</span><br /><br />'.$output;
1280: } elsif ($checkfail eq 'authtoken') {
1281: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1282: '<br />'.$output;
1283: } elsif ($checkfail eq 'inststatus') {
1284: $msg .= '<span class="LC_warning">'.
1285: &mt('You are not permitted to create a LON-CAPA account.').
1286: '</span><br /><br />'.$output;
1287: }
1288: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1289: $contact_name,$contact_email).'<br /><hr />'.
1290: $sso_logout;
1291: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1292: } else {
1293: if ($courseid ne '') {
1294: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1295: }
1296: $output .= '<input type="submit" name="newaccount" value="'.
1297: &mt('Create LON-CAPA account').'" /></form>';
1298: if ($rowcount) {
1299: if ($editable) {
1300: if ($courseid ne '') {
1301: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1302: }
1303: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1304: } else {
1305: if ($courseid ne '') {
1306: $msg = '<h4>'.&mt('Review user information').'</h4>';
1307: }
1308: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1309: }
1310: } else {
1311: if ($courseid ne '') {
1312: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1313: }
1314: $msg .= &mt('Confirm that you wish to create an account.');
1315: }
1316: $msg .= $output;
1317: }
1318: return $msg;
1319: }
1320:
1321: sub username_activation {
1322: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1323: my $output;
1324: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1325: my $end = '</span><br /><br />';
1326: my $rtnlink = '<a href="javascript:history.back();">'.
1327: &mt('Return to previous page').'</a>'.
1328: &Apache::loncommon::end_page();
1329: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1330: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1331: my $now = time;
1332: my $earlyout;
1333: my $timeout = 300;
1334: if (keys(%data) == 0) {
1335: $output = &mt('Sorry, your authentication has expired.');
1336: $earlyout = 'fail';
1337: }
1338: if (($data{'time'} !~ /^\d+$/) ||
1339: ($data{'domain'} ne $domain) ||
1340: ($data{'username'} ne $username)) {
1341: $earlyout = 'fail';
1342: $output = &mt('The credentials you provided could not be verified.');
1343: } elsif ($now - $data{'time'} > $timeout) {
1344: $earlyout = 'fail';
1345: $output = &mt('Sorry, your authentication has expired.');
1346: }
1347: if ($earlyout ne '') {
1348: my $link = '/adm/createaccount';
1349: if (&Apache::lonnet::domain($domain) ne '') {
1350: $link .= "?domain=$domain";
1351: }
1352: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1353: '<a href="'.$link.'">','</a>');
1354: return($earlyout,$output);
1355: }
1356: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1357: ($domdefaults{'auth_arg_def'} ne '')) ||
1358: ($domdefaults{'auth_def'} eq 'localauth')) {
1359: if ($env{'form.courseid'} ne '') {
1360: my $id = $env{'form.cid'};
1361: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1362: if ($result eq 'fail') {
1363: $output = $error.&mt('Invalid ID format').$end.
1364: $userchkmsg.$rtnlink;
1365: return ('fail',$output);
1366: }
1367: }
1368: # Call modifyuser
1369: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1370: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1371: \%inst_results,\%curr_rules,\%got_rules);
1372: my @userinfo = ('firstname','middlename','lastname','generation',
1373: 'permanentemail','id');
1374: my %canmodify =
1375: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1376: \@userinfo,\%inst_results);
1377: foreach my $item (@userinfo) {
1378: if ($canmodify{$item}) {
1379: $info{$item} = $env{'form.c'.$item};
1380: } else {
1381: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1382: }
1383: }
1384: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1385: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1386: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1387: }
1388: my $result =
1389: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1390: $domdefaults{'auth_def'},
1391: $domdefaults{'auth_arg_def'},$info{'firstname'},
1392: $info{'middlename'},$info{'lastname'},
1393: $info{'generation'},undef,undef,
1394: $info{'permanentemail'},$info{'inststatus'});
1395: if ($result eq 'ok') {
1396: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1397: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1398: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1399: my $nostart = 1;
1400: my $response = 'ok';
1401: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1402: if ($redirect) {
1403: $response = $redirect;
1404: }
1405: return ($response,$output,$nostart);
1406: } else {
1407: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1408: return ('fail',$output);
1409: }
1410: } else {
1411: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1412: return('fail',$output);
1413: }
1414: }
1415:
1416: sub check_id {
1417: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1418: # Check student/employee ID format
1419: # Is proposed student/employee ID acceptable according to domain's rules.
1420: # $domdesc is just used for user error messages
1421: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1422: my %checks = ('id' => 1);
1423: %{$checkhash{$username.':'.$domain}} = (
1424: 'newuser' => 1,
1425: 'id' => $id,
1426: );
1427: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1428: \%rulematch,\%inst_results,\%curr_rules);
1429: if (ref($alerts{'id'}) eq 'HASH') {
1430: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1431: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1432: my $userchkmsg;
1433: if (ref($curr_rules{$domain}) eq 'HASH') {
1434: if ($usernametype eq 'email') {
1435: $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.');
1436: } else {
1437: $userchkmsg =
1438: &Apache::loncommon::instrule_disallow_msg('id',
1439: $domdesc,1).
1440: &Apache::loncommon::user_rule_formats($domain,
1441: $domdesc,$curr_rules{$domain}{'id'},'id');
1442: }
1443: }
1444: return ('fail',$userchkmsg);
1445: }
1446: }
1447: }
1448: return;
1449: }
1450:
1451: sub invalid_state {
1452: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1453: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1454: if ($error eq 'baduseremail') {
1455: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1456: } elsif ($error eq 'badusername') {
1457: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1458: } elsif ($error eq 'existinguser') {
1459: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1460: } elsif ($error eq 'userrules') {
1461: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1462: } elsif ($error eq 'userformat') {
1463: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1464: } elsif ($error eq 'captcha') {
1465: $msg .= &mt('Validation of the code you entered failed.');
1466: } elsif ($error eq 'noemails') {
1467: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1468: }
1469: $msg .= '</span>';
1470: if ($msgtext) {
1471: $msg .= '<br />'.$msgtext;
1472: }
1473: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1474: return $msg;
1475: }
1476:
1477: sub linkto_email_help {
1478: my ($contact_email,$domdesc,$error) = @_;
1479: my $msg;
1480: my $href = '/adm/helpdesk';
1481: if ($contact_email ne '') {
1482: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1483: $href .= '?origurl='.$escuri;
1484: if ($error eq 'existinguser') {
1485: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1486: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1487: }
1488: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1489: } else {
1490: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1491: }
1492: return $msg;
1493: }
1494:
1495: sub getkeys {
1496: my ($lkey,$ukey) = @_;
1497: my $lextkey=hex($lkey);
1498: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1499:
1500: my $uextkey=hex($ukey);
1501: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1502: return ($lextkey,$uextkey);
1503: }
1504:
1505: sub serverform {
1506: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1507: my $phase = 'username_validation';
1508: my $catalog_elements;
1509: if ($context eq 'selfenroll') {
1510: $phase = 'selfenroll_login';
1511: }
1512: if ($courseid ne '') {
1513: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1514: }
1515: my $output = <<ENDSERVERFORM;
1516: <form name="server" method="post" action="/adm/createaccount">
1517: <input type="hidden" name="logtoken" value="$logtoken" />
1518: <input type="hidden" name="token" value="$mailtoken" />
1519: <input type="hidden" name="serverid" value="$lonhost" />
1520: <input type="hidden" name="uname" value="" />
1521: <input type="hidden" name="upass" value="" />
1522: <input type="hidden" name="udom" value="" />
1523: <input type="hidden" name="phase" value="$phase" />
1524: <input type="hidden" name="courseid" value="$courseid" />
1525: $catalog_elements
1526: </form>
1527: ENDSERVERFORM
1528: return $output;
1529: }
1530:
1531: sub store_request {
1532: my ($dom,$username,$val,$dataref,$settings) = @_;
1533: my $output;
1534: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1535: my $key = &escape($username);
1536: my $now = time();
1537: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1538: $dom,$domconfiguser) eq 'ok') {
1539: if (ref($dataref) eq 'HASH') {
1540: my $logtoken = $dataref->{'tmpinfo'};
1541: my $serverid = $dataref->{'serverid'};
1542: if ($logtoken && $serverid) {
1543: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1544: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1545: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1546: if ($reply eq 'ok') {
1547: my ($key,$caller)=split(/&/,$tmpinfo);
1548: $dataref->{'key'} = $key;
1549: undef($dataref->{'tmpinfo'});
1550: undef($dataref->{'serverid'});
1551: }
1552: }
1553: }
1554: }
1555: my %userrequest = ( $username => $dataref );
1556: $userrequest{$username}{timestamp} = $now;
1557: $userrequest{$username}{status} = $val;
1558: my $notifylist;
1559: if (ref($settings) eq 'HASH') {
1560: if (ref($settings->{'cancreate'}) eq 'HASH') {
1561: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1562: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1563: if ($notifylist) {
1564: my $sender = $domconfiguser.':'.$dom;
1565: my $domdesc = &Apache::lonnet::domain($dom,'description');
1566: my $fullname;
1567: if (ref($dataref) eq 'HASH') {
1568: if ($dataref->{'firstname'}) {
1569: $fullname = $dataref->{'firstname'};
1570: }
1571: if ($dataref->{'lastname'}) {
1572: $fullname .= ' '.$dataref->{'lastname'};
1573: }
1574: $fullname =~ s/^\s+|\s+$//g;
1575: }
1576: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1577: "$fullname ($username)",
1578: undef,$domdesc,$now,'usernamereq',$sender);
1579: }
1580: }
1581: }
1582: }
1583: my $userresult =
1584: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1585: $output = '<p class="LC_info">'.
1586: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1587: '</p>'.
1588: '<p class="LC_info">'.
1589: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1590: '</p>';
1591: } else {
1592: $output = '<span class="LC_error">'.
1593: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1594: '</span>';
1595: }
1596: return $output;
1597: }
1598:
1599: sub guest_format_check {
1600: my ($useremail,$domain,$cancreate,$settings) = @_;
1601: my ($login,$format_match,$format_msg,@user_rules);
1602: if (ref($settings) eq 'HASH') {
1603: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1604: push(@user_rules,@{$settings->{'email_rule'}});
1605: }
1606: }
1607: if (@user_rules > 0) {
1608: my %rule_check =
1609: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1610: 'selfcreate',\@user_rules);
1611: if (keys(%rule_check) > 0) {
1612: foreach my $item (keys(%rule_check)) {
1613: if ($rule_check{$item}) {
1614: $format_match = 1;
1615: last;
1616: }
1617: }
1618: }
1619: }
1620: if ($format_match) {
1621: ($login) = ($useremail =~ /^([^\@]+)\@/);
1622: $format_msg = '<br />'.
1623: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1624: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1625: if (ref($cancreate) eq 'ARRAY') {
1626: if (grep(/^login$/,@{$cancreate})) {
1627: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1628: }
1629: }
1630: }
1631: return $format_msg;
1632: }
1633:
1634: sub sso_logout_frag {
1635: my ($r,$domain) = @_;
1636: my $endsessionmsg;
1637: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1638: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1639: if (-e $msgfile) {
1640: open(my $fh,"<",$msgfile);
1641: $endsessionmsg = join('',<$fh>);
1642: close($fh);
1643: }
1644: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1645: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1646: if (-e $msgfile) {
1647: open(my $fh,"<",$msgfile);
1648: $endsessionmsg = join('',<$fh>);
1649: close($fh);
1650: }
1651: }
1652: return $endsessionmsg;
1653: }
1654:
1655: sub catreturn_js {
1656: return <<"ENDSCRIPT";
1657: <script type="text/javascript">
1658: // <![CDATA[
1659: function ToSelfenroll(formname) {
1660: var formidx = getFormByName(formname);
1661: if (formidx > -1) {
1662: document.forms[formidx].action = '/adm/selfenroll';
1663: numidx = getIndexByName(formidx,'phase');
1664: if (numidx > -1) {
1665: document.forms[formidx].elements[numidx].value = '';
1666: }
1667: numidx = getIndexByName(formidx,'context');
1668: if (numidx > -1) {
1669: document.forms[formidx].elements[numidx].value = '';
1670: }
1671: }
1672: document.forms[formidx].submit();
1673: }
1674:
1675: function ToCatalog(formname,caller) {
1676: var formidx = getFormByName(formname);
1677: if (formidx > -1) {
1678: document.forms[formidx].action = '/adm/coursecatalog';
1679: numidx = getIndexByName(formidx,'coursenum');
1680: if (numidx > -1) {
1681: if (caller != 'details') {
1682: document.forms[formidx].elements[numidx].value = '';
1683: }
1684: }
1685: }
1686: document.forms[formidx].submit();
1687: }
1688:
1689: function getIndexByName(formidx,item) {
1690: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1691: if (document.forms[formidx].elements[i].name == item) {
1692: return i;
1693: }
1694: }
1695: return -1;
1696: }
1697:
1698: function getFormByName(item) {
1699: for (var i=0; i<document.forms.length; i++) {
1700: if (document.forms[i].name == item) {
1701: return i;
1702: }
1703: }
1704: return -1;
1705: }
1706: // ]]>
1707: </script>
1708: ENDSCRIPT
1709:
1710: }
1711:
1712: 1;
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