1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth
4: # or kerberos) or an e-mail address.
5: #
6: # $Id: createaccount.pm,v 1.27 2009/01/14 13:13:59 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Authen::Captcha;
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('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
62: &Apache::lonacc::get_posted_cgi($r);
63: &Apache::lonlocal::get_language_handle($r);
64:
65: if ($sso_username ne '' && $sso_domain ne '') {
66: $domain = $sso_domain;
67: } else {
68: $domain = &Apache::lonnet::default_login_domain();
69: if (defined($env{'form.courseid'})) {
70: if (&validate_course($env{'form.courseid'})) {
71: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
72: $domain = $1;
73: }
74: }
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($domain,'description');
78: my $contact_name = &mt('LON-CAPA helpdesk');
79: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
80: my $contacts =
81: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
82: $domain,$origmail);
83: my ($contact_email) = split(',',$contacts);
84: my $lonhost = $r->dir_config('lonHostID');
85: my $include = $r->dir_config('lonIncludes');
86: my $start_page;
87:
88: my $handle = &Apache::lonnet::check_for_valid_session($r);
89: if ($handle ne '') {
90: $start_page =
91: &Apache::loncommon::start_page('Already logged in');
92: my $end_page =
93: &Apache::loncommon::end_page();
94: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
95: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
96: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
97: return OK;
98: }
99:
100: my ($js,$courseid,$title);
101: if (defined($env{'form.courseid'})) {
102: $courseid = &validate_course($env{'form.courseid'});
103: }
104: if ($courseid ne '') {
105: $js = &catreturn_js();
106: $title = 'Self-enroll in a LON-CAPA course';
107: } else {
108: $title = 'Create a user account in LON-CAPA';
109: }
110: if ($env{'form.phase'} eq 'selfenroll_login') {
111: $title = 'Self-enroll in a LON-CAPA course';
112: if ($env{'form.udom'} ne '') {
113: $domain = $env{'form.udom'};
114: }
115: my ($result,$output) =
116: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
117: $contact_name,$contact_email,$courseid,
118: $lonhost);
119: if ($result eq 'existingaccount') {
120: $r->print($output);
121: &print_footer($r);
122: return OK;
123: } else {
124: $start_page =
125: &Apache::loncommon::start_page($title,$js,
126: {'no_inline_link' => 1,});
127: &print_header($r,$start_page,$courseid);
128: $r->print($output);
129: &print_footer($r);
130: return OK;
131: }
132: }
133: $start_page =
134: &Apache::loncommon::start_page($title,$js,
135: {'no_inline_link' => 1,});
136: my @cancreate;
137: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
138: if (ref($domconfig{'usercreation'}) eq 'HASH') {
139: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
140: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
141: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
142: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
143: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
144: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
145: }
146: }
147: }
148:
149: if (@cancreate == 0) {
150: &print_header($r,$start_page,$courseid);
151: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
152: '<span class="LC_warning">'.
153: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
154: $r->print($output);
155: &print_footer($r);
156: return OK;
157: }
158:
159: if ($sso_username ne '') {
160: &print_header($r,$start_page,$courseid);
161: my ($msg,$sso_logout);
162: $sso_logout = &sso_logout_frag($r,$domain);
163: if (grep(/^sso$/,@cancreate)) {
164: $msg = '<h3>'.&mt('Account creation').'</h3>'.
165: &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 />';
166:
167: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
168: $lonhost,$contact_email,$contact_name,$sso_logout);
169: } else {
170: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
171: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
172: $sso_logout;
173: }
174: $r->print($msg);
175: &print_footer($r);
176: return OK;
177: }
178:
179: my ($output,$nostart,$noend);
180: my $token = $env{'form.token'};
181: if ($token) {
182: ($output,$nostart,$noend) =
183: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
184: $domdesc,$lonhost,$include,$start_page);
185: if ($nostart) {
186: if ($noend) {
187: return OK;
188: } else {
189: $r->print($output);
190: &print_footer($r);
191: return OK;
192: }
193: } else {
194: &print_header($r,$start_page,$courseid);
195: $r->print($output);
196: &print_footer($r);
197: return OK;
198: }
199: }
200:
201: if ($env{'form.phase'} eq 'username_activation') {
202: (my $result,$output,$nostart) =
203: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
204: $lonhost,$courseid);
205: if ($result eq 'ok') {
206: if ($nostart) {
207: return OK;
208: }
209: }
210: &print_header($r,$start_page,$courseid);
211: $r->print($output);
212: &print_footer($r);
213: return OK;
214: } elsif ($env{'form.phase'} eq 'username_validation') {
215: (my $result,$output) =
216: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
217: $contact_name,$contact_email,$courseid,
218: $lonhost);
219: if ($result eq 'existingaccount') {
220: $r->print($output);
221: &print_footer($r);
222: return OK;
223: } else {
224: &print_header($r,$start_page,$courseid);
225: }
226: } elsif ($env{'form.create_with_email'}) {
227: &print_header($r,$start_page,$courseid);
228: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
229: $contact_name,$contact_email,\@cancreate,
230: $lonhost,$domconfig{'usercreation'},
231: $courseid);
232: } elsif (!$token) {
233: &print_header($r,$start_page,$courseid);
234: my $now=time;
235: if (grep(/^login$/,@cancreate)) {
236: my $jsh=Apache::File->new($include."/londes.js");
237: $r->print(<$jsh>);
238: $r->print(&javascript_setforms($now));
239: }
240: if (grep(/^email$/,@cancreate)) {
241: $r->print(&javascript_validmail());
242: }
243: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
244: $courseid);
245: }
246: $r->print($output);
247: &print_footer($r);
248: return OK;
249: }
250:
251: sub print_header {
252: my ($r,$start_page,$courseid) = @_;
253: $r->print($start_page);
254: &Apache::lonhtmlcommon::clear_breadcrumbs();
255: if ($courseid ne '') {
256: my %coursehash = &Apache::lonnet::coursedescription($courseid);
257: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
258: }
259: &Apache::lonhtmlcommon::add_breadcrumb
260: ({href=>"/adm/createuser",
261: text=>"New username"});
262: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
263: return;
264: }
265:
266: sub print_footer {
267: my ($r) = @_;
268: if ($env{'form.courseid'} ne '') {
269: $r->print('<form name="backupcrumbs" method="post" action="">'.
270: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
271: 'token','serverid','uname','upass','phase','create_with_email',
272: 'code','useremail','crypt','cfirstname','clastname',
273: 'cmiddlename','cgeneration','cpermanentemail','cid']).
274: '</form>');
275: }
276: $r->print(&Apache::loncommon::end_page());
277: }
278:
279: sub selfenroll_crumbs {
280: my ($r,$courseid,$desc) = @_;
281: &Apache::lonhtmlcommon::add_breadcrumb
282: ({href=>"javascript:ToCatalog('backupcrumbs','')",
283: text=>"Course Catalog"});
284: if ($env{'form.coursenum'} ne '') {
285: &Apache::lonhtmlcommon::add_breadcrumb
286: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
287: text=>"Course details"});
288: }
289: my $last_crumb;
290: if ($desc ne '') {
291: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
292: } else {
293: $last_crumb = &mt('Self-enroll');
294: }
295: &Apache::lonhtmlcommon::add_breadcrumb
296: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
297: text=>$last_crumb,
298: no_mt=>"1"});
299: return;
300: }
301:
302: sub validate_course {
303: my ($courseid) = @_;
304: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
305: if (($cdom ne '') && ($cnum ne '')) {
306: if (&Apache::lonnet::is_course($cdom,$cnum)) {
307: return ($courseid);
308: }
309: }
310: return;
311: }
312:
313: sub javascript_setforms {
314: my ($now) = @_;
315: my $js = <<ENDSCRIPT;
316: <script language="JavaScript">
317: function send() {
318: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
319: uextkey=this.document.client.elements.uextkey.value;
320: lextkey=this.document.client.elements.lextkey.value;
321: initkeys();
322:
323: this.document.server.elements.upass.value
324: = crypted(this.document.client.elements.upass$now.value);
325:
326: this.document.client.elements.uname.value='';
327: this.document.client.elements.upass$now.value='';
328:
329: this.document.server.submit();
330: return false;
331: }
332: </script>
333: ENDSCRIPT
334: return $js;
335: }
336:
337: sub javascript_checkpass {
338: my ($now) = @_;
339: my $nopass = &mt('You must enter a password.');
340: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
341: &mt('Please try again.');
342: my $js = <<"ENDSCRIPT";
343: <script type="text/javascript" language="JavaScript">
344: function checkpass() {
345: var upass = this.document.client.elements.upass$now.value;
346: var upasscheck = this.document.client.elements.upasscheck$now.value;
347: if (upass == '') {
348: alert("$nopass");
349: return;
350: }
351: if (upass == upasscheck) {
352: this.document.client.elements.upasscheck$now.value='';
353: send();
354: return;
355: } else {
356: alert("$mismatchpass");
357: return;
358: }
359: }
360: </script>
361: ENDSCRIPT
362: return $js;
363: }
364:
365: sub javascript_validmail {
366: my %lt = &Apache::lonlocal::texthash (
367: email => 'The e-mail address you entered',
368: notv => 'is not a valid e-mail address',
369: );
370: my $output = "\n".'<script type="text/javascript">'."\n".
371: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
372: $output .= <<"ENDSCRIPT";
373: function validate_email() {
374: field = document.createaccount.useremail;
375: if (validmail(field) == false) {
376: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
377: return false;
378: }
379: return true;
380: }
381: ENDSCRIPT
382: $output .= "\n".'</script>'."\n";
383: return $output;
384: }
385:
386: sub print_username_form {
387: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
388: my %lt = &Apache::lonlocal::texthash(
389: unam => 'username',
390: udom => 'domain',
391: uemail => 'E-mail address in LON-CAPA',
392: proc => 'Proceed');
393: my $output;
394: if (ref($cancreate) eq 'ARRAY') {
395: if (grep(/^login$/,@{$cancreate})) {
396: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
397: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
398: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
399: my $submit_text = &mt('Create LON-CAPA account');
400: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
401: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
402: $domain,'createaccount').'</div>';
403: }
404: }
405: if (grep(/^email$/,@{$cancreate})) {
406: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
407: if (grep(/^login$/,@{$cancreate})) {
408: $output .= &mt('Provide your e-mail address to request a LON-CAPA account,[_1] if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
409: } else {
410: $output .= '<br />';
411: }
412: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
413: my $captchaform = &create_captcha();
414: my $submit_text = &mt('Request LON-CAPA account');
415: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
416: &Apache::lonhtmlcommon::start_pick_box()."\n".
417: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
418: 'LC_pick_box_title')."\n".
419: $emailform."\n".
420: &Apache::lonhtmlcommon::row_closure(1).
421: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
422: 'LC_pick_box_title')."\n".
423: $captchaform."\n".'<br /><br />';
424: if ($courseid ne '') {
425: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
426: }
427: $output .= '<input type="submit" name="create_with_email" value="'.
428: $submit_text.'" />'.
429: &Apache::lonhtmlcommon::row_closure(1).
430: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
431: if ($courseid ne '') {
432: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
433: }
434: $output .= '</form></div>';
435: }
436: }
437: if ($output eq '') {
438: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
439: } else {
440: $output .= '<div class="LC_clear_float_footer"></div>';
441: }
442: return $output;
443: }
444:
445: sub login_box {
446: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
447: my $output;
448: my %titles = &Apache::lonlocal::texthash(
449: createaccount => 'Log-in ID',
450: selfenroll => 'Username',
451: );
452: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
453: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
454: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
455: $lonhost);
456: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
457: my $unameform = '<input type="text" name="uname" size="10" value="" />';
458: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
459: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
460: &Apache::lonhtmlcommon::start_pick_box()."\n";
461: if ($context eq 'selfenroll') {
462: my $udomform = '<input type="text" name="udom" size="10" value="'.
463: $domain.'" />';
464: $output .= &Apache::lonhtmlcommon::row_title(&mt('Domain'),
465: 'LC_pick_box_title')."\n".
466: $udomform."\n".
467: &Apache::lonhtmlcommon::row_closure(1)."\n";
468: }
469:
470: $output .= &Apache::lonhtmlcommon::row_title($titles{$context},
471: 'LC_pick_box_title')."\n".
472: $unameform."\n".
473: &Apache::lonhtmlcommon::row_closure(1)."\n".
474: &Apache::lonhtmlcommon::row_title(&mt('Password'),
475: 'LC_pick_box_title')."\n".
476: $upassform."\n".'<br /><br />'."\n".
477: '<input type="button" name="username_validation" value="'.
478: $submit_text.'" onclick="javascript:send()" />'."\n".
479: &Apache::lonhtmlcommon::row_closure(1)."\n".
480: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
481: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
482: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
483: '</form>';
484: return $output;
485: }
486:
487: sub process_email_request {
488: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
489: $server,$settings,$courseid) = @_;
490: $useremail = $env{'form.useremail'};
491: my $output;
492: if (ref($cancreate) eq 'ARRAY') {
493: if (!grep(/^email$/,@{$cancreate})) {
494: $output = &invalid_state('noemails',$domdesc,
495: $contact_name,$contact_email);
496: return $output;
497: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
498: $output = &invalid_state('baduseremail',$domdesc,
499: $contact_name,$contact_email);
500: return $output;
501: } else {
502: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
503: if ($uhome ne 'no_host') {
504: $output = &invalid_state('existinguser',$domdesc,
505: $contact_name,$contact_email);
506: return $output;
507: } else {
508: my $code = $env{'form.code'};
509: my $md5sum = $env{'form.crypt'};
510: my %captcha_params = &captcha_settings();
511: my $captcha = Authen::Captcha->new(
512: output_folder => $captcha_params{'output_dir'},
513: data_folder => $captcha_params{'db_dir'},
514: );
515: my $captcha_chk = $captcha->check_code($code,$md5sum);
516: my %captcha_hash = (
517: 0 => 'Code not checked (file error)',
518: -1 => 'Failed: code expired',
519: -2 => 'Failed: invalid code (not in database)',
520: -3 => 'Failed: invalid code (code does not match crypt)',
521: );
522: if ($captcha_chk != 1) {
523: $output = &invalid_state('captcha',$domdesc,$contact_name,
524: $contact_email,$captcha_hash{$captcha_chk});
525: return $output;
526: }
527: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
528: if ($uhome eq 'no_host') {
529: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
530: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
531: \%inst_results,\%curr_rules,%got_rules,'username');
532: if (ref($alerts{'username'}) eq 'HASH') {
533: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
534: if ($alerts{'username'}{$domain}{$useremail}) {
535: $output = &invalid_state('userrules',$domdesc,
536: $contact_name,$contact_email);
537: return $output;
538: }
539: }
540: }
541: my $format_msg =
542: &guest_format_check($useremail,$domain,$cancreate,
543: $settings);
544: if ($format_msg) {
545: $output = &invalid_state('userformat',$domdesc,$contact_name,
546: $contact_email,$format_msg);
547: return $output;
548: }
549: }
550: }
551: }
552: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
553: $contact_email,$courseid);
554: }
555: return $output;
556: }
557:
558: sub call_rulecheck {
559: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
560: $got_rules,$tocheck) = @_;
561: my ($checkhash,$checks);
562: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
563: if ($tocheck eq 'username') {
564: $checks = { 'username' => 1 };
565: }
566: &Apache::loncommon::user_rule_check($checkhash,$checks,
567: $alerts,$rulematch,$inst_results,$curr_rules,
568: $got_rules);
569: return;
570: }
571:
572: sub send_token {
573: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
574: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
575: &mt('Thank you for your request to create a new LON-CAPA account.').
576: '<br /><br />';
577: my $now = time;
578: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
579: 'time' => $now,
580: 'domain' => $domain,
581: 'username' => $email,
582: 'courseid' => $courseid);
583: my $token = &Apache::lonnet::tmpput(\%info,$server);
584: if ($token !~ /^error/ && $token ne 'no_such_host') {
585: my $esc_token = &escape($token);
586: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',localtime(time),$domdesc).' '.
587: &mt('To complete this process please open a web browser and enter the following'
588: .' URL in the address/location box: [_1]'
589: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
590: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
591: $contact_email);
592: if ($result eq 'ok') {
593: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.&mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
594: } else {
595: $msg .= '<span class="LC_error">'.
596: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
597: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
598: }
599: } else {
600: $msg .= '<span class="LC_error">'.
601: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
602: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
603: }
604: return $msg;
605: }
606:
607: sub process_mailtoken {
608: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
609: $include,$start_page) = @_;
610: my ($msg,$nostart,$noend);
611: my %data = &Apache::lonnet::tmpget($token);
612: my $now = time;
613: if (keys(%data) == 0) {
614: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
615: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
616: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
617: return $msg;
618: }
619: if (($data{'time'} =~ /^\d+$/) &&
620: ($data{'domain'} ne '') &&
621: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
622: if ($now - $data{'time'} < 7200) {
623: if ($env{'form.phase'} eq 'createaccount') {
624: my ($result,$output) = &create_account($r,$domain,$lonhost,
625: $data{'username'},$domdesc);
626: if ($result eq 'ok') {
627: $msg = $output;
628: my $shownow = &Apache::lonlocal::locallocaltime($now);
629: 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";
630: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
631: $mailmsg,$contact_name,
632: $contact_email);
633: if ($mailresult eq 'ok') {
634: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
635: } else {
636: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
637: }
638: my %form = &start_session($r,$data{'username'},$domain,
639: $lonhost,$data{'courseid'},
640: $token);
641: $nostart = 1;
642: $noend = 1;
643: } else {
644: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
645: .'<br />'.$output
646: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
647: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
648: }
649: my $delete = &Apache::lonnet::tmpdel($token);
650: } else {
651: $msg .= &mt('Please provide user information and a password for your new account.').'<br />'.&mt('Your password, which must contain at least seven characters, will be sent to the LON-CAPA server in an encrypted form.').'<br />';
652: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
653: $nostart = 1;
654: }
655: } else {
656: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
657: .' '.&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>');
658: }
659: } else {
660: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
661: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
662: }
663: return ($msg,$nostart,$noend);
664: }
665:
666: sub start_session {
667: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
668: my %form = (
669: uname => $username,
670: udom => $domain,
671: );
672: my $firsturl = '/adm/roles';
673: if (defined($courseid)) {
674: $courseid = &validate_course($courseid);
675: if ($courseid ne '') {
676: $form{'courseid'} = $courseid;
677: $firsturl = '/adm/selfenroll?courseid='.$courseid;
678: }
679: }
680: if ($r->dir_config('lonBalancer') eq 'yes') {
681: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
682: $lonhost,'noredirect',undef,\%form);
683: if ($token ne '') {
684: my $delete = &Apache::lonnet::tmpdel($token);
685: }
686: $r->internal_redirect('/adm/switchserver');
687: } else {
688: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
689: $lonhost,$firsturl,undef,\%form);
690: }
691: return %form;
692: }
693:
694:
695: sub print_dataentry_form {
696: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
697: my ($error,$output);
698: &print_header($r,$start_page);
699: if (open(my $jsh,"<$include/londes.js")) {
700: while(my $line = <$jsh>) {
701: $r->print($line);
702: }
703: close($jsh);
704: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
705: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
706: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
707: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
708: $lonhost);
709: my @userinfo = ('firstname','middlename','lastname','generation','id',
710: 'permanentemail');
711: my %lt=&Apache::lonlocal::texthash(
712: 'pd' => "Personal Data",
713: 'firstname' => "First Name",
714: 'middlename' => "Middle Name",
715: 'lastname' => "Last Name",
716: 'generation' => "Generation",
717: 'permanentemail' => "Permanent e-mail address",
718: 'id' => "Student/Employee ID",
719: 'lg' => "Login Data"
720: );
721: my %textboxsize = (
722: firstname => '15',
723: middlename => '15',
724: lastname => '15',
725: generation => '5',
726: id => '15',
727: );
728: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
729: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
730: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
731: &Apache::lonhtmlcommon::start_pick_box();
732: foreach my $item (@userinfo) {
733: my $rowtitle = $lt{$item};
734: if ($item eq 'generation') {
735: $rowtitle = $genhelp.$rowtitle;
736: }
737: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
738: if ($item eq 'permanentemail') {
739: $output .= $username;
740: } else {
741: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
742: }
743: $output .= &Apache::lonhtmlcommon::row_closure(1);
744: }
745: $output .= &Apache::lonhtmlcommon::end_pick_box();
746: $output .= <<"ENDSERVERFORM";
747: <input type="hidden" name="logtoken" value="$logtoken" />
748: <input type="hidden" name="token" value="$mailtoken" />
749: <input type="hidden" name="serverid" value="$lonhost" />
750: <input type="hidden" name="uname" value="" />
751: <input type="hidden" name="upass" value="" />
752: <input type="hidden" name="phase" value="createaccount" />
753: </form></div>
754: ENDSERVERFORM
755: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
756: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
757: my $submit_text = &mt('Create LON-CAPA account');
758: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
759: '<form name="client" method="post" />'."\n".
760: &Apache::lonhtmlcommon::start_pick_box()."\n".
761: &Apache::lonhtmlcommon::row_title(&mt('Username'),
762: 'LC_pick_box_title')."\n".
763: $username."\n".
764: &Apache::lonhtmlcommon::row_closure(1)."\n".
765: &Apache::lonhtmlcommon::row_title(&mt('Password'),
766: 'LC_pick_box_title')."\n".
767: $upassone."\n".
768: &Apache::lonhtmlcommon::row_closure(1)."\n".
769: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
770: 'LC_pick_box_title')."\n".
771: $upasstwo."\n".
772: &Apache::lonhtmlcommon::row_closure(1)."\n".
773: &Apache::lonhtmlcommon::end_pick_box()."\n".
774: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
775: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
776: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
777: '</form></div>'."\n".
778: '<div class="LC_clear_float_footer"><br /><br />'."\n".
779: '<form name="buttonform">'."\n".
780: '<input type="button" name="createaccount" value="'.
781: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
782: } else {
783: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
784: }
785: return $output;
786: }
787:
788: sub create_account {
789: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
790: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
791: $env{'form.serverid'});
792: # Error messages
793: my $error = '<span class="LC_error">'.&mt('Error:').' ';
794: my $end = '</span><br /><br />';
795: my $rtnlink = '<a href="javascript:history.back();" />'.
796: &mt('Return to previous page').'</a>'.
797: &Apache::loncommon::end_page();
798: if ($retrieved eq 'ok') {
799: if ($env{'form.courseid'} ne '') {
800: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
801: if ($result eq 'fail') {
802: $output = $error.&mt('Invalid ID format').$end.
803: $userchkmsg.$rtnlink;
804: return ('fail',$output);
805: }
806: }
807: } else {
808: return ('fail',$error.$output.$end.$rtnlink);
809: }
810: # Call modifyuser
811: my $result =
812: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
813: 'internal',$upass,$env{'form.cfirstname'},
814: $env{'form.cmiddlename'},$env{'form.clastname'},
815: $env{'form.cgeneration'},undef,undef,$username);
816: $output = &mt('Generating user: [_1]',$result);
817: my $uhome = &Apache::lonnet::homeserver($username,$domain);
818: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
819: &Apache::lonnet::hostname($uhome).'<br /><br />';
820: return ('ok',$output);
821: }
822:
823: sub username_validation {
824: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
825: $lonhost) = @_;
826: my ($retrieved,$output,$upass);
827:
828: $username= &LONCAPA::clean_username($username);
829: $domain = &LONCAPA::clean_domain($domain);
830: my $uhome = &Apache::lonnet::homeserver($username,$domain);
831:
832: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
833: $env{'form.serverid'});
834: if ($retrieved ne 'ok') {
835: return ('fail',$output);
836: }
837: if ($uhome ne 'no_host') {
838: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
839: if ($result ne 'no_host') {
840: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
841: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
842: return ('existingaccount',$output);
843: } else {
844: $output = &login_failure_msg($courseid);
845: }
846: } else {
847: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
848: my $authok;
849: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
850: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
851: my $checkdefauth = 1;
852: $authok =
853: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
854: } else {
855: $authok = 'non_authorized';
856: }
857: if ($authok eq 'authorized') {
858: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
859: $contact_email,$contact_name);
860: } else {
861: $output = &login_failure_msg($courseid);
862: }
863: }
864: return ('ok',$output);
865: }
866:
867: sub login_failure_msg {
868: my ($courseid) = @_;
869: my $url;
870: if ($courseid ne '') {
871: $url = "/adm/selfenroll?courseid=".$courseid;
872: } else {
873: $url = "/adm/createaccount";
874: }
875: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
876: &mt('Username and/or password could not be authenticated.').
877: '</div>'.
878: &mt('Please check the username and password.').'<br /><br />';
879: '<a href="'.$url.'">'.&mt('Try again').'</a>';
880: return $output;
881: }
882:
883: sub username_check {
884: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
885: $sso_logout) = @_;
886: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
887: %alerts,%curr_rules,%got_rules);
888: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
889: \%inst_results,\%curr_rules,%got_rules,'username');
890: if (ref($alerts{'username'}) eq 'HASH') {
891: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
892: if ($alerts{'username'}{$domain}{$username}) {
893: if (ref($curr_rules{$domain}) eq 'HASH') {
894: $output =
895: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
896: 'selfcreate').
897: &Apache::loncommon::user_rule_formats($domain,$domdesc,
898: $curr_rules{$domain}{'username'},'username');
899: }
900: $checkfail = 'username';
901: }
902: }
903: }
904: if (!$checkfail) {
905: $output = '<form method="post" action="/adm/createaccount">';
906: (my $datatable,$rowcount,$editable) =
907: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
908: $inst_results{$username.':'.$domain});
909: if ($rowcount > 0) {
910: $output .= $datatable;
911: }
912: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
913: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
914: '<input type="hidden" name="phase" value="username_activation" />';
915: my $now = time;
916: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
917: 'time' => $now,
918: 'domain' => $domain,
919: 'username' => $username);
920: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
921: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
922: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
923: } else {
924: $output = &mt('An error occurred when storing a token').'<br />'.
925: &mt('You will not be able to proceed to the next stage of account creation').
926: &linkto_email_help($contact_email,$domdesc);
927: $checkfail = 'authtoken';
928: }
929: }
930: if ($checkfail) {
931: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
932: if ($checkfail eq 'username') {
933: $msg .= '<span class="LC_warning">'.
934: &mt('A LON-CAPA account may not be created with the username you use.').
935: '</span><br /><br />'.$output;
936: } elsif ($checkfail eq 'authtoken') {
937: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
938: '<br />'.$output;
939: }
940: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
941: $contact_name,$contact_email).'<br /><hr />'.
942: $sso_logout;
943: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
944: } else {
945: if ($courseid ne '') {
946: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
947: }
948: $output .= '<input type="submit" name="newaccount" value="'.
949: &mt('Create LON-CAPA account').'" /></form>';
950: if ($rowcount) {
951: if ($editable) {
952: if ($courseid ne '') {
953: $msg = '<h4>'.&mt('User information').'</h4>';
954: }
955: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
956: } else {
957: if ($courseid ne '') {
958: $msg = '<h4>'.&mt('Review user information').'</h4>';
959: }
960: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
961: }
962: } else {
963: if ($courseid ne '') {
964: $msg = '<h4>'.&mt('Confirmation').'</h4>';
965: }
966: $msg .= &mt('Confirm that you wish to create an account.');
967: }
968: $msg .= $output;
969: }
970: return $msg;
971: }
972:
973: sub username_activation {
974: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
975: my $output;
976: my $error = '<span class="LC_error">'.&mt('Error:').' ';
977: my $end = '</span><br /><br />';
978: my $rtnlink = '<a href="javascript:history.back();" />'.
979: &mt('Return to previous page').'</a>'.
980: &Apache::loncommon::end_page();
981: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
982: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
983: my $now = time;
984: my $earlyout;
985: my $timeout = 300;
986: if (keys(%data) == 0) {
987: $output = &mt('Sorry, your authentication has expired.');
988: $earlyout = 'fail';
989: }
990: if (($data{'time'} !~ /^\d+$/) ||
991: ($data{'domain'} ne $domain) ||
992: ($data{'username'} ne $username)) {
993: $earlyout = 'fail';
994: $output = &mt('The credentials you provided could not be verified.');
995: } elsif ($now - $data{'time'} > $timeout) {
996: $earlyout = 'fail';
997: $output = &mt('Sorry, your authentication has expired.');
998: }
999: if ($earlyout ne '') {
1000: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1001: return($earlyout,$output);
1002: }
1003: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1004: ($domdefaults{'auth_arg_def'} ne '')) ||
1005: ($domdefaults{'auth_def'} eq 'localauth')) {
1006: if ($env{'form.courseid'} ne '') {
1007: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1008: if ($result eq 'fail') {
1009: $output = $error.&mt('Invalid ID format').$end.
1010: $userchkmsg.$rtnlink;
1011: return ('fail',$output);
1012: }
1013: }
1014: # Call modifyuser
1015: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1016: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1017: \%inst_results,\%curr_rules,%got_rules);
1018: my @userinfo = ('firstname','middlename','lastname','generation',
1019: 'permanentemail','id');
1020: my %canmodify =
1021: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1022: \@userinfo,\%inst_results);
1023: foreach my $item (@userinfo) {
1024: if ($canmodify{$item}) {
1025: $info{$item} = $env{'form.c'.$item};
1026: } else {
1027: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1028: }
1029: }
1030: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1031: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1032: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1033: }
1034: my $result =
1035: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1036: $domdefaults{'auth_def'},
1037: $domdefaults{'auth_arg_def'},$info{'firstname'},
1038: $info{'middlename'},$info{'lastname'},
1039: $info{'generation'},undef,undef,
1040: $info{'permanentemail'},$info{'inststatus'});
1041: if ($result eq 'ok') {
1042: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1043: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1044: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1045: my $nostart = 1;
1046: return ('ok',$output,$nostart);
1047: } else {
1048: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1049: return ('fail',$output);
1050: }
1051: } else {
1052: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1053: return('fail',$output);
1054: }
1055: }
1056:
1057: sub check_id {
1058: my ($username,$domain,$domdesc) = @_;
1059: # Check ID format
1060: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1061: my %checks = ('id' => 1);
1062: %{$checkhash{$username.':'.$domain}} = (
1063: 'newuser' => 1,
1064: 'id' => $env{'form.cid'},
1065: );
1066: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1067: \%rulematch,\%inst_results,\%curr_rules);
1068: if (ref($alerts{'id'}) eq 'HASH') {
1069: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1070: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1071: my $userchkmsg;
1072: if (ref($curr_rules{$domain}) eq 'HASH') {
1073: $userchkmsg =
1074: &Apache::loncommon::instrule_disallow_msg('id',
1075: $domdesc,1).
1076: &Apache::loncommon::user_rule_formats($domain,
1077: $domdesc,$curr_rules{$domain}{'id'},'id');
1078: }
1079: return ('fail',$userchkmsg);
1080: }
1081: }
1082: }
1083: return;
1084: }
1085:
1086: sub invalid_state {
1087: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1088: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1089: if ($error eq 'baduseremail') {
1090: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1091: } elsif ($error eq 'existinguser') {
1092: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1093: } elsif ($error eq 'userrules') {
1094: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1095: } elsif ($error eq 'userformat') {
1096: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1097: } elsif ($error eq 'captcha') {
1098: $msg = &mt('Validation of the code your entered failed.');
1099: } elsif ($error eq 'noemails') {
1100: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1101: }
1102: $msg .= '</span>';
1103: if ($msgtext) {
1104: $msg .= '<br />'.$msgtext;
1105: }
1106: $msg .= &linkto_email_help($contact_email,$domdesc);
1107: return $msg;
1108: }
1109:
1110: sub linkto_email_help {
1111: my ($contact_email,$domdesc) = @_;
1112: my $msg;
1113: if ($contact_email ne '') {
1114: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1115: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1116: } else {
1117: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1118: }
1119: return $msg;
1120: }
1121:
1122: sub create_captcha {
1123: my ($output_dir,$db_dir) = @_;
1124: my %captcha_params = &captcha_settings();
1125: my $captcha = Authen::Captcha->new(
1126: output_folder => $captcha_params{'output_dir'},
1127: data_folder => $captcha_params{'db_dir'},
1128: );
1129: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1130: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1131: &mt('Type in the letters/numbers shown below').' '.
1132: '<input type="text" size="5" name="code" value="" /><br />'.
1133: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
1134: return $output;
1135: }
1136:
1137: sub captcha_settings {
1138: my %captcha_params = (
1139: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1140: www_output_dir => "/captchaspool",
1141: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1142: numchars => '5',
1143: );
1144: return %captcha_params;
1145: }
1146:
1147: sub getkeys {
1148: my ($lkey,$ukey) = @_;
1149: my $lextkey=hex($lkey);
1150: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1151:
1152: my $uextkey=hex($ukey);
1153: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1154: return ($lextkey,$uextkey);
1155: }
1156:
1157: sub serverform {
1158: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1159: my $phase = 'username_validation';
1160: my $catalog_elements;
1161: if ($context eq 'selfenroll') {
1162: $phase = 'selfenroll_login';
1163: }
1164: if ($courseid ne '') {
1165: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1166: }
1167: my $output = <<ENDSERVERFORM;
1168: <form name="server" method="post" action="/adm/createaccount">
1169: <input type="hidden" name="logtoken" value="$logtoken" />
1170: <input type="hidden" name="token" value="$mailtoken" />
1171: <input type="hidden" name="serverid" value="$lonhost" />
1172: <input type="hidden" name="uname" value="" />
1173: <input type="hidden" name="upass" value="" />
1174: <input type="hidden" name="phase" value="$phase" />
1175: <input type="hidden" name="courseid" value="$courseid" />
1176: $catalog_elements
1177: </form>
1178: ENDSERVERFORM
1179: return $output;
1180: }
1181:
1182: sub process_credentials {
1183: my ($logtoken,$lonhost) = @_;
1184: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1185: my ($retrieved,$output,$upass);
1186: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1187: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1188: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1189: return ($retrieved,$output,$upass);
1190: } else {
1191: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1192: if ($reply eq 'ok') {
1193: $retrieved = 'ok';
1194: } else {
1195: $output = &mt('Session could not be opened.');
1196: }
1197: }
1198: my ($key,$caller)=split(/&/,$tmpinfo);
1199: if ($caller eq 'createaccount') {
1200: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1201: } else {
1202: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1203: }
1204: return ($retrieved,$output,$upass);
1205: }
1206:
1207: sub guest_format_check {
1208: my ($useremail,$domain,$cancreate,$settings) = @_;
1209: my ($login,$format_match,$format_msg,@user_rules);
1210: if (ref($settings) eq 'HASH') {
1211: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1212: push(@user_rules,@{$settings->{'email_rule'}});
1213: }
1214: }
1215: if (@user_rules > 0) {
1216: my %rule_check =
1217: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1218: 'selfcreate',\@user_rules);
1219: if (keys(%rule_check) > 0) {
1220: foreach my $item (keys(%rule_check)) {
1221: if ($rule_check{$item}) {
1222: $format_match = 1;
1223: last;
1224: }
1225: }
1226: }
1227: }
1228: if ($format_match) {
1229: ($login) = ($useremail =~ /^([^\@]+)\@/);
1230: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1231: if (ref($cancreate) eq 'ARRAY') {
1232: if (grep(/^login$/,@{$cancreate})) {
1233: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1234: }
1235: }
1236: }
1237: return $format_msg;
1238: }
1239:
1240: sub sso_logout_frag {
1241: my ($r,$domain) = @_;
1242: my $endsessionmsg;
1243: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1244: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1245: if (-e $msgfile) {
1246: open(my $fh,"<$msgfile");
1247: $endsessionmsg = join('',<$fh>);
1248: close($fh);
1249: }
1250: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1251: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1252: if (-e $msgfile) {
1253: open(my $fh,"<$msgfile");
1254: $endsessionmsg = join('',<$fh>);
1255: close($fh);
1256: }
1257: }
1258: return $endsessionmsg;
1259: }
1260:
1261: sub catreturn_js {
1262: return <<"ENDSCRIPT";
1263: <script type="text/javascript">
1264:
1265: function ToSelfenroll(formname) {
1266: var formidx = getFormByName(formname);
1267: if (formidx > -1) {
1268: document.forms[formidx].action = '/adm/selfenroll';
1269: numidx = getIndexByName(formidx,'phase');
1270: if (numidx > -1) {
1271: document.forms[formidx].elements[numidx].value = '';
1272: }
1273: numidx = getIndexByName(formidx,'context');
1274: if (numidx > -1) {
1275: document.forms[formidx].elements[numidx].value = '';
1276: }
1277: }
1278: document.forms[formidx].submit();
1279: }
1280:
1281: function ToCatalog(formname,caller) {
1282: var formidx = getFormByName(formname);
1283: if (formidx > -1) {
1284: document.forms[formidx].action = '/adm/coursecatalog';
1285: numidx = getIndexByName(formidx,'coursenum');
1286: if (numidx > -1) {
1287: if (caller != 'details') {
1288: document.forms[formidx].elements[numidx].value = '';
1289: }
1290: }
1291: }
1292: document.forms[formidx].submit();
1293: }
1294:
1295: function getIndexByName(formidx,item) {
1296: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1297: if (document.forms[formidx].elements[i].name == item) {
1298: return i;
1299: }
1300: }
1301: return -1;
1302: }
1303:
1304: function getFormByName(item) {
1305: for (var i=0; i<document.forms.length; i++) {
1306: if (document.forms[i].name == item) {
1307: return i;
1308: }
1309: }
1310: return -1;
1311: }
1312:
1313: </script>
1314: ENDSCRIPT
1315:
1316: }
1317:
1318: 1;
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