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 1.49 2012/05/17 17:41:48 www 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: #TODO this module needs documentation
49:
50: sub handler {
51: my $r = shift;
52: &Apache::loncommon::content_type($r,'text/html');
53: $r->send_http_header;
54: if ($r->header_only) {
55: return OK;
56: }
57:
58: my $domain;
59:
60: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
61: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
62:
63: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
64: &Apache::lonacc::get_posted_cgi($r);
65: &Apache::lonlocal::get_language_handle($r);
66:
67: if ($sso_username ne '' && $sso_domain ne '') {
68: $domain = $sso_domain;
69: } else {
70: ($domain, undef) = Apache::lonnet::is_course($env{'form.courseid'});
71: $domain ||= &Apache::lonnet::default_login_domain();
72: }
73: my $domdesc = &Apache::lonnet::domain($domain,'description');
74: my $contact_name = &mt('LON-CAPA helpdesk');
75: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
76: my $contacts =
77: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
78: $domain,$origmail);
79: my ($contact_email) = split(',',$contacts);
80: my $lonhost = $r->dir_config('lonHostID');
81: my $include = $r->dir_config('lonIncludes');
82: my $start_page;
83:
84: my $handle = &Apache::lonnet::check_for_valid_session($r);
85: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
86: $start_page =
87: &Apache::loncommon::start_page('Already logged in');
88: my $end_page =
89: &Apache::loncommon::end_page();
90: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
91: '<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>').
92: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
93: return OK;
94: }
95:
96: my ($js,$courseid,$title);
97: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
98: if ($courseid ne '') {
99: $js = &catreturn_js();
100: $title = 'Self-enroll in a LON-CAPA course';
101: } else {
102: $title = 'Create a user account in LON-CAPA';
103: }
104: if ($env{'form.phase'} eq 'selfenroll_login') {
105: $title = 'Self-enroll in a LON-CAPA course';
106: if ($env{'form.udom'} ne '') {
107: $domain = $env{'form.udom'};
108: }
109:
110: my %domconfig =
111: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
112: my ($cancreate,$statustocreate) =
113: &get_creation_controls($domain,$domconfig{'usercreation'});
114:
115: my ($result,$output) =
116: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
117: $contact_name,$contact_email,$courseid,
118: $lonhost,$statustocreate);
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,$js);
126: &print_header($r,$start_page,$courseid);
127: $r->print($output);
128: &print_footer($r);
129: return OK;
130: }
131: }
132: $start_page =
133: &Apache::loncommon::start_page($title,$js);
134:
135: my %domconfig =
136: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
137: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
138: if (@{$cancreate} == 0) {
139: &print_header($r,$start_page,$courseid);
140: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
141: '<span class="LC_warning">'.
142: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
143: $r->print($output);
144: &print_footer($r);
145: return OK;
146: }
147:
148: if ($sso_username ne '') {
149: &print_header($r,$start_page,$courseid);
150: my ($msg,$sso_logout);
151: $sso_logout = &sso_logout_frag($r,$domain);
152: if (grep(/^sso$/,@{$cancreate})) {
153: $msg = '<h3>'.&mt('Account creation').'</h3>'.
154: &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 />';
155:
156: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
157: $lonhost,$contact_email,$contact_name,
158: $sso_logout,$statustocreate);
159: } else {
160: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
161: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
162: $sso_logout;
163: }
164: $r->print($msg);
165: &print_footer($r);
166: return OK;
167: }
168:
169: my ($output,$nostart,$noend);
170: my $token = $env{'form.token'};
171: if ($token) {
172: ($output,$nostart,$noend) =
173: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
174: $domdesc,$lonhost,$include,$start_page);
175: if ($nostart) {
176: if ($noend) {
177: return OK;
178: } else {
179: $r->print($output);
180: &print_footer($r);
181: return OK;
182: }
183: } else {
184: &print_header($r,$start_page,$courseid);
185: $r->print($output);
186: &print_footer($r);
187: return OK;
188: }
189: }
190:
191: if ($env{'form.phase'} eq 'username_activation') {
192: (my $result,$output,$nostart) =
193: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
194: $lonhost,$courseid);
195: if ($result eq 'ok') {
196: if ($nostart) {
197: return OK;
198: }
199: }
200: &print_header($r,$start_page,$courseid);
201: $r->print($output);
202: &print_footer($r);
203: return OK;
204: } elsif ($env{'form.phase'} eq 'username_validation') {
205: (my $result,$output) =
206: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
207: $contact_name,$contact_email,$courseid,
208: $lonhost,$statustocreate);
209: if ($result eq 'existingaccount') {
210: $r->print($output);
211: &print_footer($r);
212: return OK;
213: } else {
214: &print_header($r,$start_page,$courseid);
215: }
216: } elsif ($env{'form.create_with_email'}) {
217: &print_header($r,$start_page,$courseid);
218: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
219: $contact_name,$contact_email,$cancreate,
220: $lonhost,$domconfig{'usercreation'},
221: $courseid);
222: } elsif (!$token) {
223: &print_header($r,$start_page,$courseid);
224: my $now=time;
225: if (grep(/^login$/,@{$cancreate})) {
226: my $jsh=Apache::File->new($include."/londes.js");
227: $r->print(<$jsh>);
228: $r->print(&javascript_setforms($now));
229: }
230: if (grep(/^email$/,@{$cancreate})) {
231: $r->print(&javascript_validmail());
232: }
233: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
234: $courseid);
235: }
236: $r->print($output);
237: &print_footer($r);
238: return OK;
239: }
240:
241: sub print_header {
242: my ($r,$start_page,$courseid) = @_;
243: $r->print($start_page);
244: &Apache::lonhtmlcommon::clear_breadcrumbs();
245: if ($courseid ne '') {
246: my %coursehash = &Apache::lonnet::coursedescription($courseid);
247: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
248: }
249: &Apache::lonhtmlcommon::add_breadcrumb
250: ({href=>"/adm/createuser",
251: text=>"New username"});
252: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
253: return;
254: }
255:
256: sub print_footer {
257: my ($r) = @_;
258: if ($env{'form.courseid'} ne '') {
259: $r->print('<form name="backupcrumbs" method="post" action="">'.
260: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
261: 'token','serverid','uname','upass','phase','create_with_email',
262: 'code','useremail','crypt','cfirstname','clastname',
263: 'cmiddlename','cgeneration','cpermanentemail','cid']).
264: '</form>');
265: }
266: $r->print(&Apache::loncommon::end_page());
267: }
268:
269: sub selfenroll_crumbs {
270: my ($r,$courseid,$desc) = @_;
271: &Apache::lonhtmlcommon::add_breadcrumb
272: ({href=>"javascript:ToCatalog('backupcrumbs','')",
273: text=>"Course/Community Catalog"});
274: if ($env{'form.coursenum'} ne '') {
275: &Apache::lonhtmlcommon::add_breadcrumb
276: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
277: text=>"Course details"});
278: }
279: my $last_crumb;
280: if ($desc ne '') {
281: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
282: } else {
283: $last_crumb = &mt('Self-enroll');
284: }
285: &Apache::lonhtmlcommon::add_breadcrumb
286: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
287: text=>$last_crumb,
288: no_mt=>"1"});
289: return;
290: }
291:
292: sub javascript_setforms {
293: my ($now) = @_;
294: my $js = <<ENDSCRIPT;
295: <script type="text/javascript" language="JavaScript">
296: function send() {
297: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
298: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
299: uextkey=this.document.client.elements.uextkey.value;
300: lextkey=this.document.client.elements.lextkey.value;
301: initkeys();
302:
303: this.document.server.elements.upass.value
304: = crypted(this.document.client.elements.upass$now.value);
305:
306: this.document.client.elements.uname.value='';
307: this.document.client.elements.upass$now.value='';
308:
309: this.document.server.submit();
310: return false;
311: }
312: </script>
313: ENDSCRIPT
314: return $js;
315: }
316:
317: sub javascript_checkpass {
318: my ($now) = @_;
319: my $nopass = &mt('You must enter a password.');
320: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
321: &mt('Please try again.');
322: my $js = <<"ENDSCRIPT";
323: <script type="text/javascript" language="JavaScript">
324: function checkpass() {
325: var upass = this.document.client.elements.upass$now.value;
326: var upasscheck = this.document.client.elements.upasscheck$now.value;
327: if (upass == '') {
328: alert("$nopass");
329: return false;
330: }
331: if (upass == upasscheck) {
332: this.document.client.elements.upasscheck$now.value='';
333: send();
334: return false;
335: } else {
336: alert("$mismatchpass");
337: return false;
338: }
339: }
340: </script>
341: ENDSCRIPT
342: return $js;
343: }
344:
345: sub javascript_validmail {
346: my %lt = &Apache::lonlocal::texthash (
347: email => 'The e-mail address you entered',
348: notv => 'is not a valid e-mail address',
349: );
350: my $output = "\n".'<script type="text/javascript">'."\n".
351: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
352: $output .= <<"ENDSCRIPT";
353: function validate_email() {
354: field = document.createaccount.useremail;
355: if (validmail(field) == false) {
356: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
357: return false;
358: }
359: return true;
360: }
361: ENDSCRIPT
362: $output .= "\n".'</script>'."\n";
363: return $output;
364: }
365:
366: sub print_username_form {
367: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
368: my %lt = &Apache::lonlocal::texthash(
369: unam => 'username',
370: udom => 'domain',
371: uemail => 'E-mail address in LON-CAPA',
372: proc => 'Proceed');
373: my $output;
374: if (ref($cancreate) eq 'ARRAY') {
375: if (grep(/^login$/,@{$cancreate})) {
376: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
377: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
378: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
379: my $submit_text = &mt('Create LON-CAPA account');
380: $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 />';
381: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
382: $domain,'createaccount').'</div>';
383: }
384: }
385: if (grep(/^email$/,@{$cancreate})) {
386: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
387: my $captchaform = &create_captcha();
388: if ($captchaform) {
389: my $submit_text = &mt('Request LON-CAPA account');
390: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
391: if (grep(/^login$/,@{$cancreate})) {
392: $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 />';
393: } else {
394: $output .= '<br />';
395: }
396: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
397: &Apache::lonhtmlcommon::start_pick_box()."\n".
398: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
399: 'LC_pick_box_title')."\n".
400: $emailform."\n".
401: &Apache::lonhtmlcommon::row_closure(1).
402: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
403: 'LC_pick_box_title')."\n".
404: $captchaform."\n".'<br /><br />';
405: if ($courseid ne '') {
406: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
407: }
408: $output .= &Apache::lonhtmlcommon::row_closure(1).
409: &Apache::lonhtmlcommon::row_title().'<br />'.
410: '<input type="submit" name="create_with_email" value="'.
411: $submit_text.'" />'.
412: &Apache::lonhtmlcommon::row_closure(1).
413: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
414: if ($courseid ne '') {
415: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
416: }
417: $output .= '</form>';
418: } else {
419: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
420: if ($courseid ne '') {
421: $helpdesk .= '&courseid='.$courseid;
422: }
423: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
424: }
425: $output .= '</div>';
426: }
427: }
428: if ($output eq '') {
429: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
430: } else {
431: $output .= '<div class="LC_clear_float_footer"></div>';
432: }
433: return $output;
434: }
435:
436: sub login_box {
437: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
438: my $output;
439: my %titles = &Apache::lonlocal::texthash(
440: createaccount => 'Log-in ID',
441: selfenroll => 'Username',
442: );
443: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
444: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
445: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
446: $lonhost);
447: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
448: my $unameform = '<input type="text" name="uname" size="20" value="" />';
449: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
450: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
451: &Apache::lonhtmlcommon::start_pick_box()."\n".
452: &Apache::lonhtmlcommon::row_title($titles{$context},
453: 'LC_pick_box_title')."\n".
454: $unameform."\n".
455: &Apache::lonhtmlcommon::row_closure(1)."\n".
456: &Apache::lonhtmlcommon::row_title(&mt('Password'),
457: 'LC_pick_box_title')."\n".
458: $upassform;
459: if ($context eq 'selfenroll') {
460: my $udomform = '<input type="text" name="udom" size="10" value="'.
461: $domain.'" />';
462: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
463: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
464: 'LC_pick_box_title')."\n".
465: $udomform."\n";
466: } else {
467: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
468: }
469: $output .= &Apache::lonhtmlcommon::row_closure(1).
470: &Apache::lonhtmlcommon::row_title().
471: '<br /><input type="submit" name="username_validation" value="'.
472: $submit_text.'" />'."\n";
473: if ($context eq 'selfenroll') {
474: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
475: '<span class="LC_fontsize_medium">'.
476: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
477: '</span></td></tr></table>'."\n";
478: }
479: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
480: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
481: $output .= '<input type="hidden" name="lextkey" value="'.$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,'createaccount');
584: if ($token !~ /^error/ && $token ne 'no_such_host') {
585: my $esc_token = &escape($token);
586: my $showtime = localtime(time);
587: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
588: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
589: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$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: &start_session($r, $data{'username'}, $domain, $lonhost,
639: $data{'courseid'}, $token);
640: $nostart = 1;
641: $noend = 1;
642: } else {
643: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
644: .'<br />'.$output
645: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
646: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
647: }
648: my $delete = &Apache::lonnet::tmpdel($token);
649: } else {
650: $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 />';
651: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
652: $nostart = 1;
653: }
654: } else {
655: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
656: .' '.&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>');
657: }
658: } else {
659: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
660: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
661: }
662: return ($msg,$nostart,$noend);
663: }
664:
665: sub start_session {
666: my ($r, $username, $domain, $lonhost, $courseid, $token) = @_;
667:
668: if ($r->dir_config('lonBalancer') eq 'yes') {
669: Apache::lonauth::success($r, $username, $domain, $lonhost,
670: 'noredirect', undef, {});
671:
672: Apache::lonnet::tmpdel($token) if $token;
673:
674: $r->internal_redirect('/adm/switchserver');
675: } else {
676: $courseid = Apache::lonnet::is_course($courseid);
677:
678: Apache::lonauth::success($r, $username, $domain, $lonhost,
679: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
680: undef, {});
681: }
682:
683: return;
684: }
685:
686:
687: sub print_dataentry_form {
688: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
689: my ($error,$output);
690: &print_header($r,$start_page);
691: if (open(my $jsh,"<$include/londes.js")) {
692: while(my $line = <$jsh>) {
693: $r->print($line);
694: }
695: close($jsh);
696: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
697: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
698: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
699: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
700: $lonhost);
701: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
702: my ($datatable,$rowcount) =
703: &Apache::loncreateuser::personal_data_display($username,$domain,
704: 'email','selfcreate');
705: if ($rowcount) {
706: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
707: } else {
708: $output .= $formtag;
709: }
710: $output .= <<"ENDSERVERFORM";
711: <input type="hidden" name="logtoken" value="$logtoken" />
712: <input type="hidden" name="token" value="$mailtoken" />
713: <input type="hidden" name="serverid" value="$lonhost" />
714: <input type="hidden" name="uname" value="" />
715: <input type="hidden" name="upass" value="" />
716: <input type="hidden" name="udom" value="" />
717: <input type="hidden" name="phase" value="createaccount" />
718: </form>
719: ENDSERVERFORM
720: if ($rowcount) {
721: $output .= '</div>'.
722: '<div class="LC_left_float">';
723: }
724: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
725: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
726: my $submit_text = &mt('Create LON-CAPA account');
727: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
728: '<form name="client" method="post" action="" '.
729: 'onsubmit="return checkpass();">'."\n".
730: &Apache::lonhtmlcommon::start_pick_box()."\n".
731: &Apache::lonhtmlcommon::row_title(&mt('Username'),
732: 'LC_pick_box_title',
733: 'LC_oddrow_value')."\n".
734: $username."\n".
735: &Apache::lonhtmlcommon::row_closure(1)."\n".
736: &Apache::lonhtmlcommon::row_title(&mt('Password'),
737: 'LC_pick_box_title',
738: 'LC_oddrow_value')."\n".
739: $upassone."\n".
740: &Apache::lonhtmlcommon::row_closure(1)."\n".
741: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
742: 'LC_pick_box_title',
743: 'LC_oddrow_value')."\n".
744: $upasstwo.
745: &Apache::lonhtmlcommon::row_closure(1)."\n".
746: &Apache::lonhtmlcommon::row_title()."\n".
747: '<br /><input type="submit" name="createaccount" value="'.
748: $submit_text.'" />'.
749: &Apache::lonhtmlcommon::row_closure(1)."\n".
750: &Apache::lonhtmlcommon::end_pick_box()."\n".
751: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
752: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
753: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
754: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
755: '</form>';
756: if ($rowcount) {
757: $output .= '</div>'."\n".
758: '<div class="LC_clear_float_footer"></div>'."\n";
759: }
760: } else {
761: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
762: }
763: return $output;
764: }
765:
766: sub get_creation_controls {
767: my ($domain,$usercreation) = @_;
768: my (@cancreate,@statustocreate);
769: if (ref($usercreation) eq 'HASH') {
770: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
771: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
772: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
773: if (@statustocreate == 0) {
774: my ($othertitle,$usertypes,$types) =
775: &Apache::loncommon::sorted_inst_types($domain);
776: if (ref($types) eq 'ARRAY') {
777: if (@{$types} == 0) {
778: @statustocreate = ('default');
779: }
780: } else {
781: @statustocreate = ('default');
782: }
783: }
784: } else {
785: @statustocreate = ('default');
786: my ($othertitle,$usertypes,$types) =
787: &Apache::loncommon::sorted_inst_types($domain);
788: if (ref($types) eq 'ARRAY') {
789: push(@statustocreate,@{$types});
790: }
791: }
792: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
793: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
794: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
795: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
796: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
797: }
798: }
799: }
800: return (\@cancreate,\@statustocreate);
801: }
802:
803: sub create_account {
804: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
805: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
806: $env{'form.serverid'});
807: # Error messages
808: my $error = '<span class="LC_error">'.&mt('Error:').' ';
809: my $end = '</span><br /><br />';
810: my $rtnlink = '<a href="javascript:history.back();" />'.
811: &mt('Return to previous page').'</a>'.
812: &Apache::loncommon::end_page();
813: if ($retrieved eq 'ok') {
814: if ($env{'form.courseid'} ne '') {
815: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
816: if ($result eq 'fail') {
817: $output = $error.&mt('Invalid ID format').$end.
818: $userchkmsg.$rtnlink;
819: return ('fail',$output);
820: }
821: }
822: } else {
823: return ('fail',$error.$output.$end.$rtnlink);
824: }
825: # Call modifyuser
826: my $result =
827: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
828: 'internal',$upass,$env{'form.cfirstname'},
829: $env{'form.cmiddlename'},$env{'form.clastname'},
830: $env{'form.cgeneration'},undef,undef,$username);
831: $output = &mt('Generating user: [_1]',$result);
832: my $uhome = &Apache::lonnet::homeserver($username,$domain);
833: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
834: &Apache::lonnet::hostname($uhome).'<br /><br />';
835: return ('ok',$output);
836: }
837:
838: sub username_validation {
839: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
840: $lonhost,$statustocreate) = @_;
841: # $username,$domain: for the user who needs to be validated
842: # $domdesc: full name of the domain (for error messages)
843: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check
844: # $courseid: ID of the course that the user should be validated for, goes into start_session
845: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
846:
847: my ($retrieved,$output,$upass);
848:
849: $username= &LONCAPA::clean_username($username);
850: $domain = &LONCAPA::clean_domain($domain);
851: my $uhome = &Apache::lonnet::homeserver($username,$domain);
852:
853: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
854: $env{'form.serverid'});
855: if ($retrieved ne 'ok') {
856: return ('fail',$output);
857: }
858: if ($uhome ne 'no_host') {
859: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
860: if ($result ne 'no_host') {
861: &start_session($r, $username, $domain, $lonhost, $courseid);
862: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
863: return ('existingaccount',$output);
864: } else {
865: $output = &login_failure_msg($courseid);
866: }
867: } else {
868: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
869: my $authok;
870: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
871: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
872: my $checkdefauth = 1;
873: $authok =
874: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
875: } else {
876: $authok = 'non_authorized';
877: }
878: if ($authok eq 'authorized') {
879: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
880: $contact_email,$contact_name,undef,
881: $statustocreate);
882: } else {
883: $output = &login_failure_msg($courseid);
884: }
885: }
886: return ('ok',$output);
887: }
888:
889: sub login_failure_msg {
890: my ($courseid) = @_;
891: my $url;
892: if ($courseid ne '') {
893: $url = "/adm/selfenroll?courseid=".$courseid;
894: } else {
895: $url = "/adm/createaccount";
896: }
897: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
898: &mt('Username and/or password could not be authenticated.').
899: '</div>'.
900: &mt('Please check the username and password.').'<br /><br />';
901: '<a href="'.$url.'">'.&mt('Try again').'</a>';
902: return $output;
903: }
904:
905: sub username_check {
906: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
907: $contact_name,$sso_logout,$statustocreate) = @_;
908: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
909: %alerts,%curr_rules,%got_rules);
910: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
911: \%inst_results,\%curr_rules,\%got_rules,'username');
912: if (ref($alerts{'username'}) eq 'HASH') {
913: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
914: if ($alerts{'username'}{$domain}{$username}) {
915: if (ref($curr_rules{$domain}) eq 'HASH') {
916: $output =
917: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
918: 'selfcreate').
919: &Apache::loncommon::user_rule_formats($domain,$domdesc,
920: $curr_rules{$domain}{'username'},'username');
921: }
922: $checkfail = 'username';
923: }
924: }
925: }
926: if (!$checkfail) {
927: if (ref($statustocreate) eq 'ARRAY') {
928: $checkfail = 'inststatus';
929: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
930: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
931: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
932: undef($checkfail);
933: last;
934: }
935: }
936: } elsif (grep(/^default$/,@{$statustocreate})) {
937: undef($checkfail);
938: }
939: }
940: }
941: if (!$checkfail) {
942: $output = '<form method="post" action="/adm/createaccount">';
943: (my $datatable,$rowcount,$editable) =
944: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
945: $inst_results{$username.':'.$domain});
946: if ($rowcount > 0) {
947: $output .= $datatable;
948: }
949: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
950: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
951: '<input type="hidden" name="phase" value="username_activation" />';
952: my $now = time;
953: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
954: 'time' => $now,
955: 'domain' => $domain,
956: 'username' => $username);
957: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
958: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
959: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
960: } else {
961: $output = &mt('An error occurred when storing a token').'<br />'.
962: &mt('You will not be able to proceed to the next stage of account creation').
963: &linkto_email_help($contact_email,$domdesc);
964: $checkfail = 'authtoken';
965: }
966: }
967: if ($checkfail) {
968: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
969: if ($checkfail eq 'username') {
970: $msg .= '<span class="LC_warning">'.
971: &mt('A LON-CAPA account may not be created with the username you use.').
972: '</span><br /><br />'.$output;
973: } elsif ($checkfail eq 'authtoken') {
974: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
975: '<br />'.$output;
976: } elsif ($checkfail eq 'inststatus') {
977: $msg .= '<span class="LC_warning">'.
978: &mt('You are not permitted to create a LON-CAPA account.').
979: '</span><br /><br />'.$output;
980: }
981: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
982: $contact_name,$contact_email).'<br /><hr />'.
983: $sso_logout;
984: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
985: } else {
986: if ($courseid ne '') {
987: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
988: }
989: $output .= '<input type="submit" name="newaccount" value="'.
990: &mt('Create LON-CAPA account').'" /></form>';
991: if ($rowcount) {
992: if ($editable) {
993: if ($courseid ne '') {
994: $msg = '<br /><h4>'.&mt('User information').'</h4>';
995: }
996: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
997: } else {
998: if ($courseid ne '') {
999: $msg = '<h4>'.&mt('Review user information').'</h4>';
1000: }
1001: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1002: }
1003: } else {
1004: if ($courseid ne '') {
1005: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1006: }
1007: $msg .= &mt('Confirm that you wish to create an account.');
1008: }
1009: $msg .= $output;
1010: }
1011: return $msg;
1012: }
1013:
1014: sub username_activation {
1015: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1016: my $output;
1017: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1018: my $end = '</span><br /><br />';
1019: my $rtnlink = '<a href="javascript:history.back();" />'.
1020: &mt('Return to previous page').'</a>'.
1021: &Apache::loncommon::end_page();
1022: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1023: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1024: my $now = time;
1025: my $earlyout;
1026: my $timeout = 300;
1027: if (keys(%data) == 0) {
1028: $output = &mt('Sorry, your authentication has expired.');
1029: $earlyout = 'fail';
1030: }
1031: if (($data{'time'} !~ /^\d+$/) ||
1032: ($data{'domain'} ne $domain) ||
1033: ($data{'username'} ne $username)) {
1034: $earlyout = 'fail';
1035: $output = &mt('The credentials you provided could not be verified.');
1036: } elsif ($now - $data{'time'} > $timeout) {
1037: $earlyout = 'fail';
1038: $output = &mt('Sorry, your authentication has expired.');
1039: }
1040: if ($earlyout ne '') {
1041: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1042: return($earlyout,$output);
1043: }
1044: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1045: ($domdefaults{'auth_arg_def'} ne '')) ||
1046: ($domdefaults{'auth_def'} eq 'localauth')) {
1047: if ($env{'form.courseid'} ne '') {
1048: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1049: if ($result eq 'fail') {
1050: $output = $error.&mt('Invalid ID format').$end.
1051: $userchkmsg.$rtnlink;
1052: return ('fail',$output);
1053: }
1054: }
1055: # Call modifyuser
1056: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1057: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1058: \%inst_results,\%curr_rules,\%got_rules);
1059: my @userinfo = ('firstname','middlename','lastname','generation',
1060: 'permanentemail','id');
1061: my %canmodify =
1062: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1063: \@userinfo,\%inst_results);
1064: foreach my $item (@userinfo) {
1065: if ($canmodify{$item}) {
1066: $info{$item} = $env{'form.c'.$item};
1067: } else {
1068: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1069: }
1070: }
1071: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1072: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1073: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1074: }
1075: my $result =
1076: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1077: $domdefaults{'auth_def'},
1078: $domdefaults{'auth_arg_def'},$info{'firstname'},
1079: $info{'middlename'},$info{'lastname'},
1080: $info{'generation'},undef,undef,
1081: $info{'permanentemail'},$info{'inststatus'});
1082: if ($result eq 'ok') {
1083: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1084: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1085: &start_session($r, $username, $domain, $lonhost, $courseid);
1086: my $nostart = 1;
1087: return ('ok',$output,$nostart);
1088: } else {
1089: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1090: return ('fail',$output);
1091: }
1092: } else {
1093: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1094: return('fail',$output);
1095: }
1096: }
1097:
1098: sub check_id {
1099: my ($username,$domain,$domdesc) = @_;
1100: # Check ID format
1101: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1102: my %checks = ('id' => 1);
1103: %{$checkhash{$username.':'.$domain}} = (
1104: 'newuser' => 1,
1105: 'id' => $env{'form.cid'},
1106: );
1107: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1108: \%rulematch,\%inst_results,\%curr_rules);
1109: if (ref($alerts{'id'}) eq 'HASH') {
1110: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1111: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1112: my $userchkmsg;
1113: if (ref($curr_rules{$domain}) eq 'HASH') {
1114: $userchkmsg =
1115: &Apache::loncommon::instrule_disallow_msg('id',
1116: $domdesc,1).
1117: &Apache::loncommon::user_rule_formats($domain,
1118: $domdesc,$curr_rules{$domain}{'id'},'id');
1119: }
1120: return ('fail',$userchkmsg);
1121: }
1122: }
1123: }
1124: return;
1125: }
1126:
1127: sub invalid_state {
1128: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1129: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1130: if ($error eq 'baduseremail') {
1131: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1132: } elsif ($error eq 'existinguser') {
1133: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1134: } elsif ($error eq 'userrules') {
1135: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1136: } elsif ($error eq 'userformat') {
1137: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1138: } elsif ($error eq 'captcha') {
1139: $msg .= &mt('Validation of the code you entered failed.');
1140: } elsif ($error eq 'noemails') {
1141: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1142: }
1143: $msg .= '</span>';
1144: if ($msgtext) {
1145: $msg .= '<br />'.$msgtext;
1146: }
1147: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1148: return $msg;
1149: }
1150:
1151: sub linkto_email_help {
1152: my ($contact_email,$domdesc,$error) = @_;
1153: my $msg;
1154: my $href = '/adm/helpdesk';
1155: if ($contact_email ne '') {
1156: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1157: $href .= '?origurl='.$escuri;
1158: if ($error eq 'existinguser') {
1159: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1160: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1161: }
1162: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1163: } else {
1164: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1165: }
1166: return $msg;
1167: }
1168:
1169: sub create_captcha {
1170: my ($output_dir,$db_dir) = @_;
1171: my %captcha_params = &captcha_settings();
1172: my ($output,$maxtries,$tries) = ('',10,0);
1173: while ($tries < $maxtries) {
1174: $tries ++;
1175: my $captcha = Authen::Captcha->new (
1176: output_folder => $captcha_params{'output_dir'},
1177: data_folder => $captcha_params{'db_dir'},
1178: );
1179: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1180:
1181: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1182: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1183: &mt('Type in the letters/numbers shown below').' '.
1184: '<input type="text" size="5" name="code" value="" /><br />'.
1185: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
1186: last;
1187: }
1188: }
1189: return $output;
1190: }
1191:
1192: sub captcha_settings {
1193: my %captcha_params = (
1194: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1195: www_output_dir => "/captchaspool",
1196: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1197: numchars => '5',
1198: );
1199: return %captcha_params;
1200: }
1201:
1202: sub getkeys {
1203: my ($lkey,$ukey) = @_;
1204: my $lextkey=hex($lkey);
1205: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1206:
1207: my $uextkey=hex($ukey);
1208: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1209: return ($lextkey,$uextkey);
1210: }
1211:
1212: sub serverform {
1213: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1214: my $phase = 'username_validation';
1215: my $catalog_elements;
1216: if ($context eq 'selfenroll') {
1217: $phase = 'selfenroll_login';
1218: }
1219: if ($courseid ne '') {
1220: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1221: }
1222: my $output = <<ENDSERVERFORM;
1223: <form name="server" method="post" action="/adm/createaccount">
1224: <input type="hidden" name="logtoken" value="$logtoken" />
1225: <input type="hidden" name="token" value="$mailtoken" />
1226: <input type="hidden" name="serverid" value="$lonhost" />
1227: <input type="hidden" name="uname" value="" />
1228: <input type="hidden" name="upass" value="" />
1229: <input type="hidden" name="udom" value="" />
1230: <input type="hidden" name="phase" value="$phase" />
1231: <input type="hidden" name="courseid" value="$courseid" />
1232: $catalog_elements
1233: </form>
1234: ENDSERVERFORM
1235: return $output;
1236: }
1237:
1238: sub process_credentials {
1239: #
1240: # Fetches the information from the logtoken via tmpget
1241: # Token contains the DES-key and the stage of the process (would only be "createaccount")
1242: # $lonhost in this routine is *not* necessarily the machine that this runs on,
1243: # but $env{'form.serverid'}, the machine that issued the token.
1244: #
1245: my ($logtoken,$lonhost) = @_;
1246: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1247: my ($retrieved,$output,$upass);
1248: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1249: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1250: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1251: return ($retrieved,$output,$upass);
1252: } else {
1253: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1254: if ($reply eq 'ok') {
1255: $retrieved = 'ok';
1256: } else {
1257: $output = &mt('Session could not be opened.');
1258: }
1259: }
1260: my ($key,$caller)=split(/&/,$tmpinfo);
1261: if ($caller eq 'createaccount') {
1262: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1263: } else {
1264: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1265: }
1266: # $retrieved is 'ok' if retrieved okay
1267: # $output is screen output for the user
1268: # $upass is $env{'form.upass'}, decrypted with the DES-key, if stage was 'createaccount'
1269:
1270: return ($retrieved,$output,$upass);
1271: }
1272:
1273: sub guest_format_check {
1274: my ($useremail,$domain,$cancreate,$settings) = @_;
1275: my ($login,$format_match,$format_msg,@user_rules);
1276: if (ref($settings) eq 'HASH') {
1277: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1278: push(@user_rules,@{$settings->{'email_rule'}});
1279: }
1280: }
1281: if (@user_rules > 0) {
1282: my %rule_check =
1283: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1284: 'selfcreate',\@user_rules);
1285: if (keys(%rule_check) > 0) {
1286: foreach my $item (keys(%rule_check)) {
1287: if ($rule_check{$item}) {
1288: $format_match = 1;
1289: last;
1290: }
1291: }
1292: }
1293: }
1294: if ($format_match) {
1295: ($login) = ($useremail =~ /^([^\@]+)\@/);
1296: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1297: if (ref($cancreate) eq 'ARRAY') {
1298: if (grep(/^login$/,@{$cancreate})) {
1299: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1300: }
1301: }
1302: }
1303: return $format_msg;
1304: }
1305:
1306: sub sso_logout_frag {
1307: my ($r,$domain) = @_;
1308: my $endsessionmsg;
1309: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1310: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1311: if (-e $msgfile) {
1312: open(my $fh,"<$msgfile");
1313: $endsessionmsg = join('',<$fh>);
1314: close($fh);
1315: }
1316: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1317: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1318: if (-e $msgfile) {
1319: open(my $fh,"<$msgfile");
1320: $endsessionmsg = join('',<$fh>);
1321: close($fh);
1322: }
1323: }
1324: return $endsessionmsg;
1325: }
1326:
1327: sub catreturn_js {
1328: return <<"ENDSCRIPT";
1329: <script type="text/javascript">
1330:
1331: function ToSelfenroll(formname) {
1332: var formidx = getFormByName(formname);
1333: if (formidx > -1) {
1334: document.forms[formidx].action = '/adm/selfenroll';
1335: numidx = getIndexByName(formidx,'phase');
1336: if (numidx > -1) {
1337: document.forms[formidx].elements[numidx].value = '';
1338: }
1339: numidx = getIndexByName(formidx,'context');
1340: if (numidx > -1) {
1341: document.forms[formidx].elements[numidx].value = '';
1342: }
1343: }
1344: document.forms[formidx].submit();
1345: }
1346:
1347: function ToCatalog(formname,caller) {
1348: var formidx = getFormByName(formname);
1349: if (formidx > -1) {
1350: document.forms[formidx].action = '/adm/coursecatalog';
1351: numidx = getIndexByName(formidx,'coursenum');
1352: if (numidx > -1) {
1353: if (caller != 'details') {
1354: document.forms[formidx].elements[numidx].value = '';
1355: }
1356: }
1357: }
1358: document.forms[formidx].submit();
1359: }
1360:
1361: function getIndexByName(formidx,item) {
1362: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1363: if (document.forms[formidx].elements[i].name == item) {
1364: return i;
1365: }
1366: }
1367: return -1;
1368: }
1369:
1370: function getFormByName(item) {
1371: for (var i=0; i<document.forms.length; i++) {
1372: if (document.forms[i].name == item) {
1373: return i;
1374: }
1375: }
1376: return -1;
1377: }
1378:
1379: </script>
1380: ENDSCRIPT
1381:
1382: }
1383:
1384: 1;
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