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 1.37 2009/10/23 16:14:43 bisitz 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 (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
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]log out[_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 = $env{'form.udom'};
114: }
115:
116: my %domconfig =
117: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
118: my ($cancreate,$statustocreate) =
119: &get_creation_controls($domain,$domconfig{'usercreation'});
120:
121: my ($result,$output) =
122: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
123: $contact_name,$contact_email,$courseid,
124: $lonhost,$statustocreate);
125: if ($result eq 'existingaccount') {
126: $r->print($output);
127: &print_footer($r);
128: return OK;
129: } else {
130: $start_page =
131: &Apache::loncommon::start_page($title,$js,
132: {'no_inline_link' => 1,});
133: &print_header($r,$start_page,$courseid);
134: $r->print($output);
135: &print_footer($r);
136: return OK;
137: }
138: }
139: $start_page =
140: &Apache::loncommon::start_page($title,$js,
141: {'no_inline_link' => 1,});
142:
143: my %domconfig =
144: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
145: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
146: if (@{$cancreate} == 0) {
147: &print_header($r,$start_page,$courseid);
148: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
149: '<span class="LC_warning">'.
150: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
151: $r->print($output);
152: &print_footer($r);
153: return OK;
154: }
155:
156: if ($sso_username ne '') {
157: &print_header($r,$start_page,$courseid);
158: my ($msg,$sso_logout);
159: $sso_logout = &sso_logout_frag($r,$domain);
160: if (grep(/^sso$/,@{$cancreate})) {
161: $msg = '<h3>'.&mt('Account creation').'</h3>'.
162: &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 />';
163:
164: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
165: $lonhost,$contact_email,$contact_name,
166: $sso_logout,$statustocreate);
167: } else {
168: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
169: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
170: $sso_logout;
171: }
172: $r->print($msg);
173: &print_footer($r);
174: return OK;
175: }
176:
177: my ($output,$nostart,$noend);
178: my $token = $env{'form.token'};
179: if ($token) {
180: ($output,$nostart,$noend) =
181: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
182: $domdesc,$lonhost,$include,$start_page);
183: if ($nostart) {
184: if ($noend) {
185: return OK;
186: } else {
187: $r->print($output);
188: &print_footer($r);
189: return OK;
190: }
191: } else {
192: &print_header($r,$start_page,$courseid);
193: $r->print($output);
194: &print_footer($r);
195: return OK;
196: }
197: }
198:
199: if ($env{'form.phase'} eq 'username_activation') {
200: (my $result,$output,$nostart) =
201: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
202: $lonhost,$courseid);
203: if ($result eq 'ok') {
204: if ($nostart) {
205: return OK;
206: }
207: }
208: &print_header($r,$start_page,$courseid);
209: $r->print($output);
210: &print_footer($r);
211: return OK;
212: } elsif ($env{'form.phase'} eq 'username_validation') {
213: (my $result,$output) =
214: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
215: $contact_name,$contact_email,$courseid,
216: $lonhost,$statustocreate);
217: if ($result eq 'existingaccount') {
218: $r->print($output);
219: &print_footer($r);
220: return OK;
221: } else {
222: &print_header($r,$start_page,$courseid);
223: }
224: } elsif ($env{'form.create_with_email'}) {
225: &print_header($r,$start_page,$courseid);
226: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
227: $contact_name,$contact_email,$cancreate,
228: $lonhost,$domconfig{'usercreation'},
229: $courseid);
230: } elsif (!$token) {
231: &print_header($r,$start_page,$courseid);
232: my $now=time;
233: if (grep(/^login$/,@{$cancreate})) {
234: my $jsh=Apache::File->new($include."/londes.js");
235: $r->print(<$jsh>);
236: $r->print(&javascript_setforms($now));
237: }
238: if (grep(/^email$/,@{$cancreate})) {
239: $r->print(&javascript_validmail());
240: }
241: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
242: $courseid);
243: }
244: $r->print($output);
245: &print_footer($r);
246: return OK;
247: }
248:
249: sub print_header {
250: my ($r,$start_page,$courseid) = @_;
251: $r->print($start_page);
252: &Apache::lonhtmlcommon::clear_breadcrumbs();
253: if ($courseid ne '') {
254: my %coursehash = &Apache::lonnet::coursedescription($courseid);
255: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
256: }
257: &Apache::lonhtmlcommon::add_breadcrumb
258: ({href=>"/adm/createuser",
259: text=>"New username"});
260: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
261: return;
262: }
263:
264: sub print_footer {
265: my ($r) = @_;
266: if ($env{'form.courseid'} ne '') {
267: $r->print('<form name="backupcrumbs" method="post" action="">'.
268: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
269: 'token','serverid','uname','upass','phase','create_with_email',
270: 'code','useremail','crypt','cfirstname','clastname',
271: 'cmiddlename','cgeneration','cpermanentemail','cid']).
272: '</form>');
273: }
274: $r->print(&Apache::loncommon::end_page());
275: }
276:
277: sub selfenroll_crumbs {
278: my ($r,$courseid,$desc) = @_;
279: &Apache::lonhtmlcommon::add_breadcrumb
280: ({href=>"javascript:ToCatalog('backupcrumbs','')",
281: text=>"Course/Community Catalog"});
282: if ($env{'form.coursenum'} ne '') {
283: &Apache::lonhtmlcommon::add_breadcrumb
284: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
285: text=>"Course details"});
286: }
287: my $last_crumb;
288: if ($desc ne '') {
289: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
290: } else {
291: $last_crumb = &mt('Self-enroll');
292: }
293: &Apache::lonhtmlcommon::add_breadcrumb
294: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
295: text=>$last_crumb,
296: no_mt=>"1"});
297: return;
298: }
299:
300: sub validate_course {
301: my ($courseid) = @_;
302: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
303: if (($cdom ne '') && ($cnum ne '')) {
304: if (&Apache::lonnet::is_course($cdom,$cnum)) {
305: return ($courseid);
306: }
307: }
308: return;
309: }
310:
311: sub javascript_setforms {
312: my ($now) = @_;
313: my $js = <<ENDSCRIPT;
314: <script type="text/javascript" language="JavaScript">
315: function send() {
316: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
317: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
318: uextkey=this.document.client.elements.uextkey.value;
319: lextkey=this.document.client.elements.lextkey.value;
320: initkeys();
321:
322: this.document.server.elements.upass.value
323: = crypted(this.document.client.elements.upass$now.value);
324:
325: this.document.client.elements.uname.value='';
326: this.document.client.elements.upass$now.value='';
327:
328: this.document.server.submit();
329: return false;
330: }
331: </script>
332: ENDSCRIPT
333: return $js;
334: }
335:
336: sub javascript_checkpass {
337: my ($now) = @_;
338: my $nopass = &mt('You must enter a password.');
339: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
340: &mt('Please try again.');
341: my $js = <<"ENDSCRIPT";
342: <script type="text/javascript" language="JavaScript">
343: function checkpass() {
344: var upass = this.document.client.elements.upass$now.value;
345: var upasscheck = this.document.client.elements.upasscheck$now.value;
346: if (upass == '') {
347: alert("$nopass");
348: return false;
349: }
350: if (upass == upasscheck) {
351: this.document.client.elements.upasscheck$now.value='';
352: send();
353: return false;
354: } else {
355: alert("$mismatchpass");
356: return false;
357: }
358: }
359: </script>
360: ENDSCRIPT
361: return $js;
362: }
363:
364: sub javascript_validmail {
365: my %lt = &Apache::lonlocal::texthash (
366: email => 'The e-mail address you entered',
367: notv => 'is not a valid e-mail address',
368: );
369: my $output = "\n".'<script type="text/javascript">'."\n".
370: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
371: $output .= <<"ENDSCRIPT";
372: function validate_email() {
373: field = document.createaccount.useremail;
374: if (validmail(field) == false) {
375: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
376: return false;
377: }
378: return true;
379: }
380: ENDSCRIPT
381: $output .= "\n".'</script>'."\n";
382: return $output;
383: }
384:
385: sub print_username_form {
386: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
387: my %lt = &Apache::lonlocal::texthash(
388: unam => 'username',
389: udom => 'domain',
390: uemail => 'E-mail address in LON-CAPA',
391: proc => 'Proceed');
392: my $output;
393: if (ref($cancreate) eq 'ARRAY') {
394: if (grep(/^login$/,@{$cancreate})) {
395: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
396: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
397: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
398: my $submit_text = &mt('Create LON-CAPA account');
399: $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 />';
400: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
401: $domain,'createaccount').'</div>';
402: }
403: }
404: if (grep(/^email$/,@{$cancreate})) {
405: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
406: my $captchaform = &create_captcha();
407: if ($captchaform) {
408: my $submit_text = &mt('Request LON-CAPA account');
409: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
410: if (grep(/^login$/,@{$cancreate})) {
411: $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 />';
412: } else {
413: $output .= '<br />';
414: }
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 .= &Apache::lonhtmlcommon::row_closure(1).
428: &Apache::lonhtmlcommon::row_title().'<br />'.
429: '<input type="submit" name="create_with_email" value="'.
430: $submit_text.'" />'.
431: &Apache::lonhtmlcommon::row_closure(1).
432: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
433: if ($courseid ne '') {
434: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
435: }
436: $output .= '</form>';
437: } else {
438: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
439: if ($courseid ne '') {
440: $helpdesk .= '&courseid='.$courseid;
441: }
442: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
443: }
444: $output .= '</div>';
445: }
446: }
447: if ($output eq '') {
448: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
449: } else {
450: $output .= '<div class="LC_clear_float_footer"></div>';
451: }
452: return $output;
453: }
454:
455: sub login_box {
456: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
457: my $output;
458: my %titles = &Apache::lonlocal::texthash(
459: createaccount => 'Log-in ID',
460: selfenroll => 'Username',
461: );
462: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
463: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
464: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
465: $lonhost);
466: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
467: my $unameform = '<input type="text" name="uname" size="20" value="" />';
468: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
469: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
470: &Apache::lonhtmlcommon::start_pick_box()."\n".
471: &Apache::lonhtmlcommon::row_title($titles{$context},
472: 'LC_pick_box_title')."\n".
473: $unameform."\n".
474: &Apache::lonhtmlcommon::row_closure(1)."\n".
475: &Apache::lonhtmlcommon::row_title(&mt('Password'),
476: 'LC_pick_box_title')."\n".
477: $upassform;
478: if ($context eq 'selfenroll') {
479: my $udomform = '<input type="text" name="udom" size="10" value="'.
480: $domain.'" />';
481: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
482: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
483: 'LC_pick_box_title')."\n".
484: $udomform."\n";
485: } else {
486: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
487: }
488: $output .= &Apache::lonhtmlcommon::row_closure(1).
489: &Apache::lonhtmlcommon::row_title().
490: '<br /><input type="submit" name="username_validation" value="'.
491: $submit_text.'" />'."\n";
492: if ($context eq 'selfenroll') {
493: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
494: '<span class="LC_fontsize_medium">'.
495: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
496: '</span></td></tr></table>'."\n";
497: }
498: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
499: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
500: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
501: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
502: '</form>';
503: return $output;
504: }
505:
506: sub process_email_request {
507: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
508: $server,$settings,$courseid) = @_;
509: $useremail = $env{'form.useremail'};
510: my $output;
511: if (ref($cancreate) eq 'ARRAY') {
512: if (!grep(/^email$/,@{$cancreate})) {
513: $output = &invalid_state('noemails',$domdesc,
514: $contact_name,$contact_email);
515: return $output;
516: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
517: $output = &invalid_state('baduseremail',$domdesc,
518: $contact_name,$contact_email);
519: return $output;
520: } else {
521: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
522: if ($uhome ne 'no_host') {
523: $output = &invalid_state('existinguser',$domdesc,
524: $contact_name,$contact_email);
525: return $output;
526: } else {
527: my $code = $env{'form.code'};
528: my $md5sum = $env{'form.crypt'};
529: my %captcha_params = &captcha_settings();
530: my $captcha = Authen::Captcha->new(
531: output_folder => $captcha_params{'output_dir'},
532: data_folder => $captcha_params{'db_dir'},
533: );
534: my $captcha_chk = $captcha->check_code($code,$md5sum);
535: my %captcha_hash = (
536: 0 => 'Code not checked (file error)',
537: -1 => 'Failed: code expired',
538: -2 => 'Failed: invalid code (not in database)',
539: -3 => 'Failed: invalid code (code does not match crypt)',
540: );
541: if ($captcha_chk != 1) {
542: $output = &invalid_state('captcha',$domdesc,$contact_name,
543: $contact_email,$captcha_hash{$captcha_chk});
544: return $output;
545: }
546: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
547: if ($uhome eq 'no_host') {
548: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
549: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
550: \%inst_results,\%curr_rules,%got_rules,'username');
551: if (ref($alerts{'username'}) eq 'HASH') {
552: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
553: if ($alerts{'username'}{$domain}{$useremail}) {
554: $output = &invalid_state('userrules',$domdesc,
555: $contact_name,$contact_email);
556: return $output;
557: }
558: }
559: }
560: my $format_msg =
561: &guest_format_check($useremail,$domain,$cancreate,
562: $settings);
563: if ($format_msg) {
564: $output = &invalid_state('userformat',$domdesc,$contact_name,
565: $contact_email,$format_msg);
566: return $output;
567: }
568: }
569: }
570: }
571: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
572: $contact_email,$courseid);
573: }
574: return $output;
575: }
576:
577: sub call_rulecheck {
578: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
579: $got_rules,$tocheck) = @_;
580: my ($checkhash,$checks);
581: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
582: if ($tocheck eq 'username') {
583: $checks = { 'username' => 1 };
584: }
585: &Apache::loncommon::user_rule_check($checkhash,$checks,
586: $alerts,$rulematch,$inst_results,$curr_rules,
587: $got_rules);
588: return;
589: }
590:
591: sub send_token {
592: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
593: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
594: &mt('Thank you for your request to create a new LON-CAPA account.').
595: '<br /><br />';
596: my $now = time;
597: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
598: 'time' => $now,
599: 'domain' => $domain,
600: 'username' => $email,
601: 'courseid' => $courseid);
602: my $token = &Apache::lonnet::tmpput(\%info,$server);
603: if ($token !~ /^error/ && $token ne 'no_such_host') {
604: my $esc_token = &escape($token);
605: my $showtime = localtime(time);
606: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
607: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
608: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
609: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
610: $contact_email);
611: if ($result eq 'ok') {
612: $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>');
613: } else {
614: $msg .= '<span class="LC_error">'.
615: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
616: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
617: }
618: } else {
619: $msg .= '<span class="LC_error">'.
620: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
621: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
622: }
623: return $msg;
624: }
625:
626: sub process_mailtoken {
627: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
628: $include,$start_page) = @_;
629: my ($msg,$nostart,$noend);
630: my %data = &Apache::lonnet::tmpget($token);
631: my $now = time;
632: if (keys(%data) == 0) {
633: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
634: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
635: .' '.&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>');
636: return $msg;
637: }
638: if (($data{'time'} =~ /^\d+$/) &&
639: ($data{'domain'} ne '') &&
640: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
641: if ($now - $data{'time'} < 7200) {
642: if ($env{'form.phase'} eq 'createaccount') {
643: my ($result,$output) = &create_account($r,$domain,$lonhost,
644: $data{'username'},$domdesc);
645: if ($result eq 'ok') {
646: $msg = $output;
647: my $shownow = &Apache::lonlocal::locallocaltime($now);
648: 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";
649: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
650: $mailmsg,$contact_name,
651: $contact_email);
652: if ($mailresult eq 'ok') {
653: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
654: } else {
655: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
656: }
657: my %form = &start_session($r,$data{'username'},$domain,
658: $lonhost,$data{'courseid'},
659: $token);
660: $nostart = 1;
661: $noend = 1;
662: } else {
663: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
664: .'<br />'.$output
665: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
666: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
667: }
668: my $delete = &Apache::lonnet::tmpdel($token);
669: } else {
670: $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 />';
671: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
672: $nostart = 1;
673: }
674: } else {
675: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
676: .' '.&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>');
677: }
678: } else {
679: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
680: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
681: }
682: return ($msg,$nostart,$noend);
683: }
684:
685: sub start_session {
686: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
687: my %form = (
688: uname => $username,
689: udom => $domain,
690: );
691: my $firsturl = '/adm/roles';
692: if (defined($courseid)) {
693: $courseid = &validate_course($courseid);
694: if ($courseid ne '') {
695: $form{'courseid'} = $courseid;
696: $firsturl = '/adm/selfenroll?courseid='.$courseid;
697: }
698: }
699: if ($r->dir_config('lonBalancer') eq 'yes') {
700: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
701: $lonhost,'noredirect',undef,\%form);
702: if ($token ne '') {
703: my $delete = &Apache::lonnet::tmpdel($token);
704: }
705: $r->internal_redirect('/adm/switchserver');
706: } else {
707: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
708: $lonhost,$firsturl,undef,\%form);
709: }
710: return %form;
711: }
712:
713:
714: sub print_dataentry_form {
715: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
716: my ($error,$output);
717: &print_header($r,$start_page);
718: if (open(my $jsh,"<$include/londes.js")) {
719: while(my $line = <$jsh>) {
720: $r->print($line);
721: }
722: close($jsh);
723: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
724: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
725: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
726: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
727: $lonhost);
728: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
729: my ($datatable,$rowcount) =
730: &Apache::loncreateuser::personal_data_display($username,$domain,
731: 'email','selfcreate');
732: if ($rowcount) {
733: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
734: } else {
735: $output .= $formtag;
736: }
737: $output .= <<"ENDSERVERFORM";
738: <input type="hidden" name="logtoken" value="$logtoken" />
739: <input type="hidden" name="token" value="$mailtoken" />
740: <input type="hidden" name="serverid" value="$lonhost" />
741: <input type="hidden" name="uname" value="" />
742: <input type="hidden" name="upass" value="" />
743: <input type="hidden" name="udom" value="" />
744: <input type="hidden" name="phase" value="createaccount" />
745: </form>
746: ENDSERVERFORM
747: if ($rowcount) {
748: $output .= '</div>'.
749: '<div class="LC_left_float">';
750: }
751: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
752: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
753: my $submit_text = &mt('Create LON-CAPA account');
754: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
755: '<form name="client" method="post" '.
756: 'onsubmit="return checkpass();">'."\n".
757: &Apache::lonhtmlcommon::start_pick_box()."\n".
758: &Apache::lonhtmlcommon::row_title(&mt('Username'),
759: 'LC_pick_box_title',
760: 'LC_oddrow_value')."\n".
761: $username."\n".
762: &Apache::lonhtmlcommon::row_closure(1)."\n".
763: &Apache::lonhtmlcommon::row_title(&mt('Password'),
764: 'LC_pick_box_title',
765: 'LC_oddrow_value')."\n".
766: $upassone."\n".
767: &Apache::lonhtmlcommon::row_closure(1)."\n".
768: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
769: 'LC_pick_box_title',
770: 'LC_oddrow_value')."\n".
771: $upasstwo.
772: &Apache::lonhtmlcommon::row_closure(1)."\n".
773: &Apache::lonhtmlcommon::row_title()."\n".
774: '<br /><input type="submit" name="createaccount" value="'.
775: $submit_text.'" />'.
776: &Apache::lonhtmlcommon::row_closure(1)."\n".
777: &Apache::lonhtmlcommon::end_pick_box()."\n".
778: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
779: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
780: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
781: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
782: '</form>';
783: if ($rowcount) {
784: $output .= '</div>'."\n".
785: '<div class="LC_clear_float_footer"></div>'."\n";
786: }
787: } else {
788: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
789: }
790: return $output;
791: }
792:
793: sub get_creation_controls {
794: my ($domain,$usercreation) = @_;
795: my (@cancreate,@statustocreate);
796: if (ref($usercreation) eq 'HASH') {
797: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
798: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
799: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
800: } else {
801: @statustocreate = ('default');
802: my ($othertitle,$usertypes,$types) =
803: &Apache::loncommon::sorted_inst_types($domain);
804: if (ref($types) eq 'ARRAY') {
805: push(@statustocreate,@{$types});
806: }
807: }
808: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
809: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
810: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
811: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
812: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
813: }
814: }
815: }
816: return (\@cancreate,\@statustocreate);
817: }
818:
819: sub create_account {
820: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
821: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
822: $env{'form.serverid'});
823: # Error messages
824: my $error = '<span class="LC_error">'.&mt('Error:').' ';
825: my $end = '</span><br /><br />';
826: my $rtnlink = '<a href="javascript:history.back();" />'.
827: &mt('Return to previous page').'</a>'.
828: &Apache::loncommon::end_page();
829: if ($retrieved eq 'ok') {
830: if ($env{'form.courseid'} ne '') {
831: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
832: if ($result eq 'fail') {
833: $output = $error.&mt('Invalid ID format').$end.
834: $userchkmsg.$rtnlink;
835: return ('fail',$output);
836: }
837: }
838: } else {
839: return ('fail',$error.$output.$end.$rtnlink);
840: }
841: # Call modifyuser
842: my $result =
843: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
844: 'internal',$upass,$env{'form.cfirstname'},
845: $env{'form.cmiddlename'},$env{'form.clastname'},
846: $env{'form.cgeneration'},undef,undef,$username);
847: $output = &mt('Generating user: [_1]',$result);
848: my $uhome = &Apache::lonnet::homeserver($username,$domain);
849: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
850: &Apache::lonnet::hostname($uhome).'<br /><br />';
851: return ('ok',$output);
852: }
853:
854: sub username_validation {
855: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
856: $lonhost,$statustocreate) = @_;
857: my ($retrieved,$output,$upass);
858:
859: $username= &LONCAPA::clean_username($username);
860: $domain = &LONCAPA::clean_domain($domain);
861: my $uhome = &Apache::lonnet::homeserver($username,$domain);
862:
863: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
864: $env{'form.serverid'});
865: if ($retrieved ne 'ok') {
866: return ('fail',$output);
867: }
868: if ($uhome ne 'no_host') {
869: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
870: if ($result ne 'no_host') {
871: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
872: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
873: return ('existingaccount',$output);
874: } else {
875: $output = &login_failure_msg($courseid);
876: }
877: } else {
878: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
879: my $authok;
880: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
881: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
882: my $checkdefauth = 1;
883: $authok =
884: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
885: } else {
886: $authok = 'non_authorized';
887: }
888: if ($authok eq 'authorized') {
889: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
890: $contact_email,$contact_name,undef,
891: $statustocreate);
892: } else {
893: $output = &login_failure_msg($courseid);
894: }
895: }
896: return ('ok',$output);
897: }
898:
899: sub login_failure_msg {
900: my ($courseid) = @_;
901: my $url;
902: if ($courseid ne '') {
903: $url = "/adm/selfenroll?courseid=".$courseid;
904: } else {
905: $url = "/adm/createaccount";
906: }
907: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
908: &mt('Username and/or password could not be authenticated.').
909: '</div>'.
910: &mt('Please check the username and password.').'<br /><br />';
911: '<a href="'.$url.'">'.&mt('Try again').'</a>';
912: return $output;
913: }
914:
915: sub username_check {
916: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
917: $contact_name,$sso_logout,$statustocreate) = @_;
918: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
919: %alerts,%curr_rules,%got_rules);
920: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
921: \%inst_results,\%curr_rules,%got_rules,'username');
922: if (ref($alerts{'username'}) eq 'HASH') {
923: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
924: if ($alerts{'username'}{$domain}{$username}) {
925: if (ref($curr_rules{$domain}) eq 'HASH') {
926: $output =
927: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
928: 'selfcreate').
929: &Apache::loncommon::user_rule_formats($domain,$domdesc,
930: $curr_rules{$domain}{'username'},'username');
931: }
932: $checkfail = 'username';
933: }
934: }
935: }
936: if (!$checkfail) {
937: if (ref($statustocreate) eq 'ARRAY') {
938: $checkfail = 'inststatus';
939: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
940: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
941: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
942: undef($checkfail);
943: last;
944: }
945: }
946: } elsif (grep(/^default$/,@{$statustocreate})) {
947: undef($checkfail);
948: }
949: }
950: }
951: if (!$checkfail) {
952: $output = '<form method="post" action="/adm/createaccount">';
953: (my $datatable,$rowcount,$editable) =
954: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
955: $inst_results{$username.':'.$domain});
956: if ($rowcount > 0) {
957: $output .= $datatable;
958: }
959: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
960: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
961: '<input type="hidden" name="phase" value="username_activation" />';
962: my $now = time;
963: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
964: 'time' => $now,
965: 'domain' => $domain,
966: 'username' => $username);
967: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
968: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
969: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
970: } else {
971: $output = &mt('An error occurred when storing a token').'<br />'.
972: &mt('You will not be able to proceed to the next stage of account creation').
973: &linkto_email_help($contact_email,$domdesc);
974: $checkfail = 'authtoken';
975: }
976: }
977: if ($checkfail) {
978: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
979: if ($checkfail eq 'username') {
980: $msg .= '<span class="LC_warning">'.
981: &mt('A LON-CAPA account may not be created with the username you use.').
982: '</span><br /><br />'.$output;
983: } elsif ($checkfail eq 'authtoken') {
984: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
985: '<br />'.$output;
986: } elsif ($checkfail eq 'inststatus') {
987: $msg .= '<span class="LC_warning">'.
988: &mt('You are not permitted to create a LON-CAPA account.').
989: '</span><br /><br />'.$output;
990: }
991: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
992: $contact_name,$contact_email).'<br /><hr />'.
993: $sso_logout;
994: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
995: } else {
996: if ($courseid ne '') {
997: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
998: }
999: $output .= '<input type="submit" name="newaccount" value="'.
1000: &mt('Create LON-CAPA account').'" /></form>';
1001: if ($rowcount) {
1002: if ($editable) {
1003: if ($courseid ne '') {
1004: $msg = '<h4>'.&mt('User information').'</h4>';
1005: }
1006: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1007: } else {
1008: if ($courseid ne '') {
1009: $msg = '<h4>'.&mt('Review user information').'</h4>';
1010: }
1011: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1012: }
1013: } else {
1014: if ($courseid ne '') {
1015: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1016: }
1017: $msg .= &mt('Confirm that you wish to create an account.');
1018: }
1019: $msg .= $output;
1020: }
1021: return $msg;
1022: }
1023:
1024: sub username_activation {
1025: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1026: my $output;
1027: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1028: my $end = '</span><br /><br />';
1029: my $rtnlink = '<a href="javascript:history.back();" />'.
1030: &mt('Return to previous page').'</a>'.
1031: &Apache::loncommon::end_page();
1032: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1033: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1034: my $now = time;
1035: my $earlyout;
1036: my $timeout = 300;
1037: if (keys(%data) == 0) {
1038: $output = &mt('Sorry, your authentication has expired.');
1039: $earlyout = 'fail';
1040: }
1041: if (($data{'time'} !~ /^\d+$/) ||
1042: ($data{'domain'} ne $domain) ||
1043: ($data{'username'} ne $username)) {
1044: $earlyout = 'fail';
1045: $output = &mt('The credentials you provided could not be verified.');
1046: } elsif ($now - $data{'time'} > $timeout) {
1047: $earlyout = 'fail';
1048: $output = &mt('Sorry, your authentication has expired.');
1049: }
1050: if ($earlyout ne '') {
1051: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1052: return($earlyout,$output);
1053: }
1054: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1055: ($domdefaults{'auth_arg_def'} ne '')) ||
1056: ($domdefaults{'auth_def'} eq 'localauth')) {
1057: if ($env{'form.courseid'} ne '') {
1058: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1059: if ($result eq 'fail') {
1060: $output = $error.&mt('Invalid ID format').$end.
1061: $userchkmsg.$rtnlink;
1062: return ('fail',$output);
1063: }
1064: }
1065: # Call modifyuser
1066: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1067: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1068: \%inst_results,\%curr_rules,%got_rules);
1069: my @userinfo = ('firstname','middlename','lastname','generation',
1070: 'permanentemail','id');
1071: my %canmodify =
1072: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1073: \@userinfo,\%inst_results);
1074: foreach my $item (@userinfo) {
1075: if ($canmodify{$item}) {
1076: $info{$item} = $env{'form.c'.$item};
1077: } else {
1078: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1079: }
1080: }
1081: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1082: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1083: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1084: }
1085: my $result =
1086: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1087: $domdefaults{'auth_def'},
1088: $domdefaults{'auth_arg_def'},$info{'firstname'},
1089: $info{'middlename'},$info{'lastname'},
1090: $info{'generation'},undef,undef,
1091: $info{'permanentemail'},$info{'inststatus'});
1092: if ($result eq 'ok') {
1093: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1094: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1095: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1096: my $nostart = 1;
1097: return ('ok',$output,$nostart);
1098: } else {
1099: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1100: return ('fail',$output);
1101: }
1102: } else {
1103: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1104: return('fail',$output);
1105: }
1106: }
1107:
1108: sub check_id {
1109: my ($username,$domain,$domdesc) = @_;
1110: # Check ID format
1111: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1112: my %checks = ('id' => 1);
1113: %{$checkhash{$username.':'.$domain}} = (
1114: 'newuser' => 1,
1115: 'id' => $env{'form.cid'},
1116: );
1117: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1118: \%rulematch,\%inst_results,\%curr_rules);
1119: if (ref($alerts{'id'}) eq 'HASH') {
1120: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1121: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1122: my $userchkmsg;
1123: if (ref($curr_rules{$domain}) eq 'HASH') {
1124: $userchkmsg =
1125: &Apache::loncommon::instrule_disallow_msg('id',
1126: $domdesc,1).
1127: &Apache::loncommon::user_rule_formats($domain,
1128: $domdesc,$curr_rules{$domain}{'id'},'id');
1129: }
1130: return ('fail',$userchkmsg);
1131: }
1132: }
1133: }
1134: return;
1135: }
1136:
1137: sub invalid_state {
1138: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1139: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1140: if ($error eq 'baduseremail') {
1141: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1142: } elsif ($error eq 'existinguser') {
1143: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1144: } elsif ($error eq 'userrules') {
1145: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1146: } elsif ($error eq 'userformat') {
1147: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1148: } elsif ($error eq 'captcha') {
1149: $msg = &mt('Validation of the code your entered failed.');
1150: } elsif ($error eq 'noemails') {
1151: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1152: }
1153: $msg .= '</span>';
1154: if ($msgtext) {
1155: $msg .= '<br />'.$msgtext;
1156: }
1157: $msg .= &linkto_email_help($contact_email,$domdesc);
1158: return $msg;
1159: }
1160:
1161: sub linkto_email_help {
1162: my ($contact_email,$domdesc) = @_;
1163: my $msg;
1164: if ($contact_email ne '') {
1165: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1166: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1167: } else {
1168: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1169: }
1170: return $msg;
1171: }
1172:
1173: sub create_captcha {
1174: my ($output_dir,$db_dir) = @_;
1175: my %captcha_params = &captcha_settings();
1176: my ($output,$maxtries,$tries) = ('',10,0);
1177: while ($tries < $maxtries) {
1178: $tries ++;
1179: my $captcha = Authen::Captcha->new (
1180: output_folder => $captcha_params{'output_dir'},
1181: data_folder => $captcha_params{'db_dir'},
1182: );
1183: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1184:
1185: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1186: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1187: &mt('Type in the letters/numbers shown below').' '.
1188: '<input type="text" size="5" name="code" value="" /><br />'.
1189: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
1190: last;
1191: }
1192: }
1193: return $output;
1194: }
1195:
1196: sub captcha_settings {
1197: my %captcha_params = (
1198: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1199: www_output_dir => "/captchaspool",
1200: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1201: numchars => '5',
1202: );
1203: return %captcha_params;
1204: }
1205:
1206: sub getkeys {
1207: my ($lkey,$ukey) = @_;
1208: my $lextkey=hex($lkey);
1209: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1210:
1211: my $uextkey=hex($ukey);
1212: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1213: return ($lextkey,$uextkey);
1214: }
1215:
1216: sub serverform {
1217: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1218: my $phase = 'username_validation';
1219: my $catalog_elements;
1220: if ($context eq 'selfenroll') {
1221: $phase = 'selfenroll_login';
1222: }
1223: if ($courseid ne '') {
1224: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1225: }
1226: my $output = <<ENDSERVERFORM;
1227: <form name="server" method="post" action="/adm/createaccount">
1228: <input type="hidden" name="logtoken" value="$logtoken" />
1229: <input type="hidden" name="token" value="$mailtoken" />
1230: <input type="hidden" name="serverid" value="$lonhost" />
1231: <input type="hidden" name="uname" value="" />
1232: <input type="hidden" name="upass" value="" />
1233: <input type="hidden" name="udom" value="" />
1234: <input type="hidden" name="phase" value="$phase" />
1235: <input type="hidden" name="courseid" value="$courseid" />
1236: $catalog_elements
1237: </form>
1238: ENDSERVERFORM
1239: return $output;
1240: }
1241:
1242: sub process_credentials {
1243: my ($logtoken,$lonhost) = @_;
1244: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1245: my ($retrieved,$output,$upass);
1246: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1247: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1248: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1249: return ($retrieved,$output,$upass);
1250: } else {
1251: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1252: if ($reply eq 'ok') {
1253: $retrieved = 'ok';
1254: } else {
1255: $output = &mt('Session could not be opened.');
1256: }
1257: }
1258: my ($key,$caller)=split(/&/,$tmpinfo);
1259: if ($caller eq 'createaccount') {
1260: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1261: } else {
1262: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1263: }
1264: return ($retrieved,$output,$upass);
1265: }
1266:
1267: sub guest_format_check {
1268: my ($useremail,$domain,$cancreate,$settings) = @_;
1269: my ($login,$format_match,$format_msg,@user_rules);
1270: if (ref($settings) eq 'HASH') {
1271: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1272: push(@user_rules,@{$settings->{'email_rule'}});
1273: }
1274: }
1275: if (@user_rules > 0) {
1276: my %rule_check =
1277: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1278: 'selfcreate',\@user_rules);
1279: if (keys(%rule_check) > 0) {
1280: foreach my $item (keys(%rule_check)) {
1281: if ($rule_check{$item}) {
1282: $format_match = 1;
1283: last;
1284: }
1285: }
1286: }
1287: }
1288: if ($format_match) {
1289: ($login) = ($useremail =~ /^([^\@]+)\@/);
1290: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1291: if (ref($cancreate) eq 'ARRAY') {
1292: if (grep(/^login$/,@{$cancreate})) {
1293: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1294: }
1295: }
1296: }
1297: return $format_msg;
1298: }
1299:
1300: sub sso_logout_frag {
1301: my ($r,$domain) = @_;
1302: my $endsessionmsg;
1303: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1304: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1305: if (-e $msgfile) {
1306: open(my $fh,"<$msgfile");
1307: $endsessionmsg = join('',<$fh>);
1308: close($fh);
1309: }
1310: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1311: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1312: if (-e $msgfile) {
1313: open(my $fh,"<$msgfile");
1314: $endsessionmsg = join('',<$fh>);
1315: close($fh);
1316: }
1317: }
1318: return $endsessionmsg;
1319: }
1320:
1321: sub catreturn_js {
1322: return <<"ENDSCRIPT";
1323: <script type="text/javascript">
1324:
1325: function ToSelfenroll(formname) {
1326: var formidx = getFormByName(formname);
1327: if (formidx > -1) {
1328: document.forms[formidx].action = '/adm/selfenroll';
1329: numidx = getIndexByName(formidx,'phase');
1330: if (numidx > -1) {
1331: document.forms[formidx].elements[numidx].value = '';
1332: }
1333: numidx = getIndexByName(formidx,'context');
1334: if (numidx > -1) {
1335: document.forms[formidx].elements[numidx].value = '';
1336: }
1337: }
1338: document.forms[formidx].submit();
1339: }
1340:
1341: function ToCatalog(formname,caller) {
1342: var formidx = getFormByName(formname);
1343: if (formidx > -1) {
1344: document.forms[formidx].action = '/adm/coursecatalog';
1345: numidx = getIndexByName(formidx,'coursenum');
1346: if (numidx > -1) {
1347: if (caller != 'details') {
1348: document.forms[formidx].elements[numidx].value = '';
1349: }
1350: }
1351: }
1352: document.forms[formidx].submit();
1353: }
1354:
1355: function getIndexByName(formidx,item) {
1356: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1357: if (document.forms[formidx].elements[i].name == item) {
1358: return i;
1359: }
1360: }
1361: return -1;
1362: }
1363:
1364: function getFormByName(item) {
1365: for (var i=0; i<document.forms.length; i++) {
1366: if (document.forms[i].name == item) {
1367: return i;
1368: }
1369: }
1370: return -1;
1371: }
1372:
1373: </script>
1374: ENDSCRIPT
1375:
1376: }
1377:
1378: 1;
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