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 1.37.2.7 2010/12/06 02:39:59 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Captcha::reCAPTCHA;
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 $inventory = uc($domain);
144: my %domconfig =
145: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
146: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
147: if (@{$cancreate} == 0) {
148: &print_header($r,$start_page,$courseid);
149: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
150: '<span class="LC_warning">'.
151: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for the [_1] WebCenter.',$inventory).'</span><br /><br />';
152: $r->print($output);
153: &print_footer($r);
154: return OK;
155: }
156:
157: if ($sso_username ne '') {
158: &print_header($r,$start_page,$courseid);
159: my ($msg,$sso_logout);
160: $sso_logout = &sso_logout_frag($r,$domain);
161: if (grep(/^sso$/,@{$cancreate})) {
162: $msg = '<h3>'.&mt('Account creation').'</h3>'.
163: &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 />';
164:
165: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
166: $lonhost,$contact_email,$contact_name,
167: $sso_logout,$statustocreate);
168: } else {
169: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
170: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
171: $sso_logout;
172: }
173: $r->print($msg);
174: &print_footer($r);
175: return OK;
176: }
177:
178: my ($output,$nostart,$noend);
179: my $token = $env{'form.token'};
180: if ($token) {
181: ($output,$nostart,$noend) =
182: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
183: $domdesc,$lonhost,$include,$start_page,$inventory);
184: if ($nostart) {
185: if ($noend) {
186: return OK;
187: } else {
188: $r->print($output);
189: &print_footer($r);
190: return OK;
191: }
192: } else {
193: &print_header($r,$start_page,$courseid);
194: $r->print($output);
195: &print_footer($r);
196: return OK;
197: }
198: }
199:
200: if ($env{'form.phase'} eq 'username_activation') {
201: (my $result,$output,$nostart) =
202: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
203: $lonhost,$courseid);
204: if ($result eq 'ok') {
205: if ($nostart) {
206: return OK;
207: }
208: }
209: &print_header($r,$start_page,$courseid);
210: $r->print($output);
211: &print_footer($r);
212: return OK;
213: } elsif ($env{'form.phase'} eq 'username_validation') {
214: (my $result,$output) =
215: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
216: $contact_name,$contact_email,$courseid,
217: $lonhost,$statustocreate);
218: if ($result eq 'existingaccount') {
219: $r->print($output);
220: &print_footer($r);
221: return OK;
222: } else {
223: &print_header($r,$start_page,$courseid);
224: }
225: } elsif ($env{'form.create_with_email'}) {
226: &print_header($r,$start_page,$courseid);
227: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
228: $contact_name,$contact_email,$cancreate,
229: $lonhost,$domconfig{'usercreation'},
230: $courseid,$inventory);
231: } elsif (!$token) {
232: &print_header($r,$start_page,$courseid);
233: my $now=time;
234: if (grep(/^login$/,@{$cancreate})) {
235: my $jsh=Apache::File->new($include."/londes.js");
236: $r->print(<$jsh>);
237: $r->print(&javascript_setforms($now));
238: }
239: if (grep(/^email$/,@{$cancreate})) {
240: $r->print(&javascript_validmail());
241: }
242: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
243: $courseid);
244: }
245: $r->print($output);
246: &print_footer($r);
247: return OK;
248: }
249:
250: sub print_header {
251: my ($r,$start_page,$courseid) = @_;
252: $r->print($start_page);
253: &Apache::lonhtmlcommon::clear_breadcrumbs();
254: if ($courseid ne '') {
255: my %coursehash = &Apache::lonnet::coursedescription($courseid);
256: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
257: }
258: &Apache::lonhtmlcommon::add_breadcrumb
259: ({href=>"/adm/createuser",
260: text=>"New username"});
261: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
262: return;
263: }
264:
265: sub print_footer {
266: my ($r) = @_;
267: if ($env{'form.courseid'} ne '') {
268: $r->print('<form name="backupcrumbs" method="post" action="">'.
269: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
270: 'token','serverid','uname','upass','phase','create_with_email',
271: 'code','useremail','crypt','cfirstname','clastname',
272: 'cmiddlename','cgeneration','cpermanentemail','cid']).
273: '</form>');
274: }
275: $r->print(&Apache::loncommon::end_page());
276: }
277:
278: sub selfenroll_crumbs {
279: my ($r,$courseid,$desc) = @_;
280: &Apache::lonhtmlcommon::add_breadcrumb
281: ({href=>"javascript:ToCatalog('backupcrumbs','')",
282: text=>"Course/Community Catalog"});
283: if ($env{'form.coursenum'} ne '') {
284: &Apache::lonhtmlcommon::add_breadcrumb
285: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
286: text=>"Course details"});
287: }
288: my $last_crumb;
289: if ($desc ne '') {
290: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
291: } else {
292: $last_crumb = &mt('Self-enroll');
293: }
294: &Apache::lonhtmlcommon::add_breadcrumb
295: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
296: text=>$last_crumb,
297: no_mt=>"1"});
298: return;
299: }
300:
301: sub validate_course {
302: my ($courseid) = @_;
303: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
304: if (($cdom ne '') && ($cnum ne '')) {
305: if (&Apache::lonnet::is_course($cdom,$cnum)) {
306: return ($courseid);
307: }
308: }
309: return;
310: }
311:
312: sub javascript_setforms {
313: my ($now) = @_;
314: my $js = <<ENDSCRIPT;
315: <script type="text/javascript" language="JavaScript">
316: function send() {
317: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
318: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
319: uextkey=this.document.client.elements.uextkey.value;
320: lextkey=this.document.client.elements.lextkey.value;
321: initkeys();
322:
323: this.document.server.elements.upass.value
324: = crypted(this.document.client.elements.upass$now.value);
325:
326: this.document.client.elements.uname.value='';
327: this.document.client.elements.upass$now.value='';
328:
329: this.document.server.submit();
330: return false;
331: }
332: </script>
333: ENDSCRIPT
334: return $js;
335: }
336:
337: sub javascript_checkpass {
338: my ($now) = @_;
339: my $nopass = &mt('You must enter a password.');
340: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
341: &mt('Please try again.');
342: my $js = <<"ENDSCRIPT";
343: <script type="text/javascript" language="JavaScript">
344: function checkpass() {
345: var upass = this.document.client.elements.upass$now.value;
346: var upasscheck = this.document.client.elements.upasscheck$now.value;
347: if (upass == '') {
348: alert("$nopass");
349: return false;
350: }
351: if (upass == upasscheck) {
352: this.document.client.elements.upasscheck$now.value='';
353: send();
354: return false;
355: } else {
356: alert("$mismatchpass");
357: return false;
358: }
359: }
360: </script>
361: ENDSCRIPT
362: return $js;
363: }
364:
365: sub javascript_validmail {
366: my %lt = &Apache::lonlocal::texthash (
367: email => 'The e-mail address you entered',
368: notv => 'is not a valid e-mail address',
369: );
370: my $output = "\n".'<script type="text/javascript">'."\n".
371: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
372: $output .= <<"ENDSCRIPT";
373: function validate_email() {
374: field = document.createaccount.useremail;
375: if (validmail(field) == false) {
376: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
377: return false;
378: } else {
379: var emailaddr = field.value;
380: var lcemail = emailaddr.toLowerCase();
381: if (emailaddr != lcemail) {
382: field.value = lcemail;
383: alert("WebCenter usernames are all lower case.\\nAccordingly your username will be "+lcemail+" once activated.");
384: }
385: }
386: return true;
387: }
388: ENDSCRIPT
389: $output .= "\n".'</script>'."\n";
390: return $output;
391: }
392:
393: sub print_username_form {
394: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
395: my %lt = &Apache::lonlocal::texthash(
396: unam => 'username',
397: udom => 'domain',
398: uemail => 'E-mail address in LON-CAPA',
399: proc => 'Proceed');
400: my $output;
401: if (ref($cancreate) eq 'ARRAY') {
402: if (grep(/^login$/,@{$cancreate})) {
403: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
404: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
405: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
406: my $submit_text = &mt('Create LON-CAPA account');
407: $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 />';
408: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
409: $domain,'createaccount').'</div>';
410: }
411: }
412: if (grep(/^email$/,@{$cancreate})) {
413: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
414: my $captchaform = &create_recaptcha();
415: if ($captchaform) {
416: my $submit_text = &mt('Request LON-CAPA account');
417: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
418: if (grep(/^login$/,@{$cancreate})) {
419: $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 />';
420: } else {
421: $output .= '<br />';
422: }
423: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
424: &Apache::lonhtmlcommon::start_pick_box()."\n".
425: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
426: 'LC_pick_box_title')."\n".
427: $emailform."\n".
428: &Apache::lonhtmlcommon::row_closure(1).
429: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
430: 'LC_pick_box_title')."\n".
431: $captchaform."\n".
432: &mt('If either word is hard to read, [_1] will replace them.','<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').'<br /><br />';
433: if ($courseid ne '') {
434: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
435: }
436: $output .= &Apache::lonhtmlcommon::row_closure(1).
437: &Apache::lonhtmlcommon::row_title().'<br />'.
438: '<input type="submit" name="create_with_email" value="'.
439: $submit_text.'" />'.
440: &Apache::lonhtmlcommon::row_closure(1).
441: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
442: if ($courseid ne '') {
443: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
444: }
445: $output .= '</form>';
446: } else {
447: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
448: if ($courseid ne '') {
449: $helpdesk .= '&courseid='.$courseid;
450: }
451: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
452: }
453: $output .= '</div>';
454: }
455: }
456: if ($output eq '') {
457: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
458: } else {
459: $output .= '<div class="LC_clear_float_footer"></div>';
460: }
461: return $output;
462: }
463:
464: sub login_box {
465: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
466: my $output;
467: my %titles = &Apache::lonlocal::texthash(
468: createaccount => 'Log-in ID',
469: selfenroll => 'Username',
470: );
471: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
472: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
473: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
474: $lonhost);
475: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
476: my $unameform = '<input type="text" name="uname" size="20" value="" />';
477: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
478: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
479: '<input type="hidden" name="udom" value="'.$domain.'" />'.
480: &Apache::lonhtmlcommon::start_pick_box()."\n".
481: &Apache::lonhtmlcommon::row_title($titles{$context},
482: 'LC_pick_box_title')."\n".
483: $unameform."\n".
484: &Apache::lonhtmlcommon::row_closure(1)."\n".
485: &Apache::lonhtmlcommon::row_title(&mt('Password'),
486: 'LC_pick_box_title')."\n".
487: $upassform;
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,$courseid,$inventory) = @_;
509: $useremail = lc($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,'',$useremail);
525: return $output;
526: } else {
527: my $captcha = Captcha::reCAPTCHA->new;
528: my $captcha_result =
529: $captcha->check_answer(
530: 'PRIVATEKEY',
531: $ENV{'REMOTE_ADDR'},
532: $env{'form.recaptcha_challenge_field'},
533: $env{'form.recaptcha_response_field'},
534: );
535: if (!$captcha_result->{is_valid}) {
536: $output = &invalid_state('captcha',$domdesc,$contact_name,
537: $contact_email);
538:
539: return $output;
540: }
541: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
542: if ($uhome eq 'no_host') {
543: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
544: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
545: \%inst_results,\%curr_rules,%got_rules,'username');
546: if (ref($alerts{'username'}) eq 'HASH') {
547: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
548: if ($alerts{'username'}{$domain}{$useremail}) {
549: $output = &invalid_state('userrules',$domdesc,
550: $contact_name,$contact_email);
551: return $output;
552: }
553: }
554: }
555: my $format_msg =
556: &guest_format_check($useremail,$domain,$cancreate,
557: $settings);
558: if ($format_msg) {
559: $output = &invalid_state('userformat',$domdesc,$contact_name,
560: $contact_email,$format_msg);
561: return $output;
562: }
563: }
564: }
565: }
566: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
567: $contact_email,$courseid,$inventory);
568: }
569: return $output;
570: }
571:
572: sub call_rulecheck {
573: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
574: $got_rules,$tocheck) = @_;
575: my ($checkhash,$checks);
576: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
577: if ($tocheck eq 'username') {
578: $checks = { 'username' => 1 };
579: }
580: &Apache::loncommon::user_rule_check($checkhash,$checks,
581: $alerts,$rulematch,$inst_results,$curr_rules,
582: $got_rules);
583: return;
584: }
585:
586: sub send_token {
587: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,
588: $inventory) = @_;
589: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
590: &mt('Thank you for your request to create a new LON-CAPA account.').
591: '<br /><br />';
592: my $now = time;
593: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
594: 'time' => $now,
595: 'domain' => $domain,
596: 'username' => $email,
597: 'courseid' => $courseid);
598: my $token = &Apache::lonnet::tmpput(\%info,$server);
599: if ($token !~ /^error/ && $token ne 'no_such_host') {
600: my $esc_token = &escape($token);
601: my $showtime = localtime(time);
602: my $mailmsg = &mt('A request was submitted on [_1] for creation of a [_2] WebCenter account.',$showtime,$inventory)." \n".
603: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
604: "\n\n".&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
605: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
606: $contact_email);
607: if ($result eq 'ok') {
608: $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>');
609: } else {
610: $msg .= '<span class="LC_error">'.
611: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
612: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
613: }
614: } else {
615: $msg .= '<span class="LC_error">'.
616: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
617: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
618: }
619: return $msg;
620: }
621:
622: sub process_mailtoken {
623: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
624: $include,$start_page,$inventory) = @_;
625: my ($msg,$nostart,$noend);
626: my %data = &Apache::lonnet::tmpget($token);
627: my $now = time;
628: if (keys(%data) == 0) {
629: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
630: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
631: .' '.&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>');
632: return $msg;
633: }
634: if (($data{'time'} =~ /^\d+$/) &&
635: ($data{'domain'} ne '') &&
636: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
637: if ($now - $data{'time'} < 7200) {
638: if ($env{'form.phase'} eq 'createaccount') {
639: my ($result,$output) = &create_account($r,$domain,$lonhost,
640: $data{'username'},$domdesc);
641: if ($result eq 'ok') {
642: $msg = $output;
643: my $shownow = &Apache::lonlocal::locallocaltime($now);
644: my $mailmsg = &mt('A [_1] WebCenter account has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$inventory,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
645: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
646: $mailmsg,$contact_name,
647: $contact_email);
648: if ($mailresult eq 'ok') {
649: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
650: } else {
651: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
652: }
653: my %form = &start_session($r,$data{'username'},$domain,
654: $lonhost,$data{'courseid'},
655: $token);
656: $nostart = 1;
657: $noend = 1;
658: } else {
659: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
660: .'<br />'.$output
661: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
662: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
663: }
664: my $delete = &Apache::lonnet::tmpdel($token);
665: } else {
666: $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 />';
667: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
668: $nostart = 1;
669: }
670: } else {
671: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
672: .' '.&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>');
673: }
674: } else {
675: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
676: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
677: }
678: return ($msg,$nostart,$noend);
679: }
680:
681: sub start_session {
682: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
683: my %form = (
684: uname => $username,
685: udom => $domain,
686: );
687: my $firsturl = '/adm/roles';
688: if (defined($courseid)) {
689: $courseid = &validate_course($courseid);
690: if ($courseid ne '') {
691: $form{'courseid'} = $courseid;
692: $firsturl = '/adm/selfenroll?courseid='.$courseid;
693: }
694: }
695: if ($r->dir_config('lonBalancer') eq 'yes') {
696: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
697: $lonhost,'noredirect',undef,\%form);
698: if ($token ne '') {
699: my $delete = &Apache::lonnet::tmpdel($token);
700: }
701: $r->internal_redirect('/adm/switchserver');
702: } else {
703: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
704: $lonhost,$firsturl,undef,\%form);
705: }
706: return %form;
707: }
708:
709:
710: sub print_dataentry_form {
711: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
712: my ($error,$output);
713: &print_header($r,$start_page);
714: if (open(my $jsh,"<$include/londes.js")) {
715: while(my $line = <$jsh>) {
716: $r->print($line);
717: }
718: close($jsh);
719: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
720: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
721: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
722: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
723: $lonhost);
724: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
725: my ($datatable,$rowcount) =
726: &Apache::loncreateuser::personal_data_display($username,$domain,
727: 'email','selfcreate');
728: if ($rowcount) {
729: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
730: } else {
731: $output .= $formtag;
732: }
733: $output .= <<"ENDSERVERFORM";
734: <input type="hidden" name="logtoken" value="$logtoken" />
735: <input type="hidden" name="token" value="$mailtoken" />
736: <input type="hidden" name="serverid" value="$lonhost" />
737: <input type="hidden" name="uname" value="" />
738: <input type="hidden" name="upass" value="" />
739: <input type="hidden" name="udom" value="" />
740: <input type="hidden" name="phase" value="createaccount" />
741: </form>
742: ENDSERVERFORM
743: if ($rowcount) {
744: $output .= '</div>'.
745: '<div class="LC_left_float">';
746: }
747: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
748: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
749: my $submit_text = &mt('Create LON-CAPA account');
750: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
751: '<form name="client" method="post" '.
752: 'onsubmit="return checkpass();">'."\n".
753: &Apache::lonhtmlcommon::start_pick_box()."\n".
754: &Apache::lonhtmlcommon::row_title(&mt('Username'),
755: 'LC_pick_box_title',
756: 'LC_oddrow_value')."\n".
757: $username."\n".
758: &Apache::lonhtmlcommon::row_closure(1)."\n".
759: &Apache::lonhtmlcommon::row_title(&mt('Password'),
760: 'LC_pick_box_title',
761: 'LC_oddrow_value')."\n".
762: $upassone."\n".
763: &Apache::lonhtmlcommon::row_closure(1)."\n".
764: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
765: 'LC_pick_box_title',
766: 'LC_oddrow_value')."\n".
767: $upasstwo.
768: &Apache::lonhtmlcommon::row_closure(1)."\n".
769: &Apache::lonhtmlcommon::row_title()."\n".
770: '<br /><input type="submit" name="createaccount" value="'.
771: $submit_text.'" />'.
772: &Apache::lonhtmlcommon::row_closure(1)."\n".
773: &Apache::lonhtmlcommon::end_pick_box()."\n".
774: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
775: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
776: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
777: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
778: '</form>';
779: if ($rowcount) {
780: $output .= '</div>'."\n".
781: '<div class="LC_clear_float_footer"></div>'."\n";
782: }
783: } else {
784: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
785: }
786: return $output;
787: }
788:
789: sub get_creation_controls {
790: my ($domain,$usercreation) = @_;
791: my (@cancreate,@statustocreate);
792: if (ref($usercreation) eq 'HASH') {
793: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
794: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
795: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
796: } else {
797: @statustocreate = ('default');
798: my ($othertitle,$usertypes,$types) =
799: &Apache::loncommon::sorted_inst_types($domain);
800: if (ref($types) eq 'ARRAY') {
801: push(@statustocreate,@{$types});
802: }
803: }
804: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
805: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
806: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
807: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
808: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
809: }
810: }
811: }
812: return (\@cancreate,\@statustocreate);
813: }
814:
815: sub create_account {
816: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
817: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
818: $env{'form.serverid'});
819: # Error messages
820: my $error = '<span class="LC_error">'.&mt('Error:').' ';
821: my $end = '</span><br /><br />';
822: my $rtnlink = '<a href="javascript:history.back();" />'.
823: &mt('Return to previous page').'</a>'.
824: &Apache::loncommon::end_page();
825: if ($retrieved eq 'ok') {
826: if ($env{'form.courseid'} ne '') {
827: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
828: if ($result eq 'fail') {
829: $output = $error.&mt('Invalid ID format').$end.
830: $userchkmsg.$rtnlink;
831: return ('fail',$output);
832: }
833: }
834: } else {
835: return ('fail',$error.$output.$end.$rtnlink);
836: }
837: # Call modifyuser
838: my $result =
839: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
840: 'internal',$upass,$env{'form.cfirstname'},
841: $env{'form.cmiddlename'},$env{'form.clastname'},
842: $env{'form.cgeneration'},undef,undef,$username);
843: $output = &mt('Generating user: [_1]',$result);
844: my $uhome = &Apache::lonnet::homeserver($username,$domain);
845: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
846: &Apache::lonnet::hostname($uhome).'<br /><br />';
847: return ('ok',$output);
848: }
849:
850: sub username_validation {
851: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
852: $lonhost,$statustocreate) = @_;
853: my ($retrieved,$output,$upass);
854:
855: $username= &LONCAPA::clean_username($username);
856: $domain = &LONCAPA::clean_domain($domain);
857: my $uhome = &Apache::lonnet::homeserver($username,$domain);
858:
859: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
860: $env{'form.serverid'});
861: if ($retrieved ne 'ok') {
862: return ('fail',$output);
863: }
864: if ($uhome ne 'no_host') {
865: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
866: if ($result ne 'no_host') {
867: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
868: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
869: return ('existingaccount',$output);
870: } else {
871: $output = &login_failure_msg($courseid);
872: }
873: } else {
874: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
875: my $authok;
876: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
877: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
878: my $checkdefauth = 1;
879: $authok =
880: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
881: } else {
882: $authok = 'non_authorized';
883: }
884: if ($authok eq 'authorized') {
885: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
886: $contact_email,$contact_name,undef,
887: $statustocreate);
888: } else {
889: $output = &login_failure_msg($courseid);
890: }
891: }
892: return ('ok',$output);
893: }
894:
895: sub login_failure_msg {
896: my ($courseid) = @_;
897: my $url;
898: if ($courseid ne '') {
899: $url = "/adm/selfenroll?courseid=".$courseid;
900: } else {
901: $url = "/adm/createaccount";
902: }
903: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
904: &mt('Username and/or password could not be authenticated.').
905: '</div>'.
906: &mt('Please check the username and password.').'<br /><br />';
907: '<a href="'.$url.'">'.&mt('Try again').'</a>';
908: return $output;
909: }
910:
911: sub username_check {
912: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
913: $contact_name,$sso_logout,$statustocreate) = @_;
914: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
915: %alerts,%curr_rules,%got_rules);
916: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
917: \%inst_results,\%curr_rules,%got_rules,'username');
918: if (ref($alerts{'username'}) eq 'HASH') {
919: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
920: if ($alerts{'username'}{$domain}{$username}) {
921: if (ref($curr_rules{$domain}) eq 'HASH') {
922: $output =
923: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
924: 'selfcreate').
925: &Apache::loncommon::user_rule_formats($domain,$domdesc,
926: $curr_rules{$domain}{'username'},'username');
927: }
928: $checkfail = 'username';
929: }
930: }
931: }
932: if (!$checkfail) {
933: if (ref($statustocreate) eq 'ARRAY') {
934: $checkfail = 'inststatus';
935: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
936: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
937: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
938: undef($checkfail);
939: last;
940: }
941: }
942: } elsif (grep(/^default$/,@{$statustocreate})) {
943: undef($checkfail);
944: }
945: }
946: }
947: if (!$checkfail) {
948: $output = '<form method="post" action="/adm/createaccount">';
949: (my $datatable,$rowcount,$editable) =
950: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
951: $inst_results{$username.':'.$domain});
952: if ($rowcount > 0) {
953: $output .= $datatable;
954: }
955: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
956: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
957: '<input type="hidden" name="phase" value="username_activation" />';
958: my $now = time;
959: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
960: 'time' => $now,
961: 'domain' => $domain,
962: 'username' => $username);
963: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
964: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
965: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
966: } else {
967: $output = &mt('An error occurred when storing a token').'<br />'.
968: &mt('You will not be able to proceed to the next stage of account creation').
969: &linkto_email_help($contact_email,$domdesc);
970: $checkfail = 'authtoken';
971: }
972: }
973: if ($checkfail) {
974: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
975: if ($checkfail eq 'username') {
976: $msg .= '<span class="LC_warning">'.
977: &mt('A LON-CAPA account may not be created with the username you use.').
978: '</span><br /><br />'.$output;
979: } elsif ($checkfail eq 'authtoken') {
980: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
981: '<br />'.$output;
982: } elsif ($checkfail eq 'inststatus') {
983: $msg .= '<span class="LC_warning">'.
984: &mt('You are not permitted to create a LON-CAPA account.').
985: '</span><br /><br />'.$output;
986: }
987: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
988: $contact_name,$contact_email).'<br /><hr />'.
989: $sso_logout;
990: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
991: } else {
992: if ($courseid ne '') {
993: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
994: }
995: $output .= '<input type="submit" name="newaccount" value="'.
996: &mt('Create LON-CAPA account').'" /></form>';
997: if ($rowcount) {
998: if ($editable) {
999: if ($courseid ne '') {
1000: $msg = '<h4>'.&mt('User information').'</h4>';
1001: }
1002: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1003: } else {
1004: if ($courseid ne '') {
1005: $msg = '<h4>'.&mt('Review user information').'</h4>';
1006: }
1007: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1008: }
1009: } else {
1010: if ($courseid ne '') {
1011: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1012: }
1013: $msg .= &mt('Confirm that you wish to create an account.');
1014: }
1015: $msg .= $output;
1016: }
1017: return $msg;
1018: }
1019:
1020: sub username_activation {
1021: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1022: my $output;
1023: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1024: my $end = '</span><br /><br />';
1025: my $rtnlink = '<a href="javascript:history.back();" />'.
1026: &mt('Return to previous page').'</a>'.
1027: &Apache::loncommon::end_page();
1028: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1029: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1030: my $now = time;
1031: my $earlyout;
1032: my $timeout = 300;
1033: if (keys(%data) == 0) {
1034: $output = &mt('Sorry, your authentication has expired.');
1035: $earlyout = 'fail';
1036: }
1037: if (($data{'time'} !~ /^\d+$/) ||
1038: ($data{'domain'} ne $domain) ||
1039: ($data{'username'} ne $username)) {
1040: $earlyout = 'fail';
1041: $output = &mt('The credentials you provided could not be verified.');
1042: } elsif ($now - $data{'time'} > $timeout) {
1043: $earlyout = 'fail';
1044: $output = &mt('Sorry, your authentication has expired.');
1045: }
1046: if ($earlyout ne '') {
1047: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1048: return($earlyout,$output);
1049: }
1050: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1051: ($domdefaults{'auth_arg_def'} ne '')) ||
1052: ($domdefaults{'auth_def'} eq 'localauth')) {
1053: if ($env{'form.courseid'} ne '') {
1054: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1055: if ($result eq 'fail') {
1056: $output = $error.&mt('Invalid ID format').$end.
1057: $userchkmsg.$rtnlink;
1058: return ('fail',$output);
1059: }
1060: }
1061: # Call modifyuser
1062: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1063: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1064: \%inst_results,\%curr_rules,%got_rules);
1065: my @userinfo = ('firstname','middlename','lastname','generation',
1066: 'permanentemail','id');
1067: my %canmodify =
1068: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1069: \@userinfo,\%inst_results);
1070: foreach my $item (@userinfo) {
1071: if ($canmodify{$item}) {
1072: $info{$item} = $env{'form.c'.$item};
1073: } else {
1074: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1075: }
1076: }
1077: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1078: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1079: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1080: }
1081: my $result =
1082: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1083: $domdefaults{'auth_def'},
1084: $domdefaults{'auth_arg_def'},$info{'firstname'},
1085: $info{'middlename'},$info{'lastname'},
1086: $info{'generation'},undef,undef,
1087: $info{'permanentemail'},$info{'inststatus'});
1088: if ($result eq 'ok') {
1089: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1090: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1091: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1092: my $nostart = 1;
1093: return ('ok',$output,$nostart);
1094: } else {
1095: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1096: return ('fail',$output);
1097: }
1098: } else {
1099: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1100: return('fail',$output);
1101: }
1102: }
1103:
1104: sub check_id {
1105: my ($username,$domain,$domdesc) = @_;
1106: # Check ID format
1107: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1108: my %checks = ('id' => 1);
1109: %{$checkhash{$username.':'.$domain}} = (
1110: 'newuser' => 1,
1111: 'id' => $env{'form.cid'},
1112: );
1113: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1114: \%rulematch,\%inst_results,\%curr_rules);
1115: if (ref($alerts{'id'}) eq 'HASH') {
1116: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1117: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1118: my $userchkmsg;
1119: if (ref($curr_rules{$domain}) eq 'HASH') {
1120: $userchkmsg =
1121: &Apache::loncommon::instrule_disallow_msg('id',
1122: $domdesc,1).
1123: &Apache::loncommon::user_rule_formats($domain,
1124: $domdesc,$curr_rules{$domain}{'id'},'id');
1125: }
1126: return ('fail',$userchkmsg);
1127: }
1128: }
1129: }
1130: return;
1131: }
1132:
1133: sub invalid_state {
1134: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1135: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1136: if ($error eq 'baduseremail') {
1137: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1138: } elsif ($error eq 'existinguser') {
1139: my $uname = &HTML::Entities::encode($useremail);
1140: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1141: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1142: '<li>'.&mt('or, if you do not remember your password, visit the "[_1]Forgot your password?[_2]" page.','<a href="/adm/resetpw?uname='.$uname.'&useremail='.$uname.'&referrer=createaccount">','</a>').
1143: '</li></ul>';
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: $msg .= &mt('Validation of the code you entered failed.');
1150: } elsif ($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,$domdesc,$error);
1158: return $msg;
1159: }
1160:
1161: sub linkto_email_help {
1162: my ($contact_email,$domdesc,$error) = @_;
1163: my $msg;
1164: if ($contact_email ne '') {
1165: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1166: my $href = '/adm/helpdesk?origurl='.$escuri;
1167: if ($error eq 'existinguser') {
1168: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1169: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1170: }
1171: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1172: } else {
1173: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1174: }
1175: return $msg;
1176: }
1177:
1178: sub create_recaptcha {
1179: my $captcha = Captcha::reCAPTCHA->new;
1180: return $captcha->get_options_setter({theme => 'white'})."\n".
1181: $captcha->get_html('PUBLICKEY'); # generate public key for IP
1182: # from http://recaptcha.net/
1183: }
1184:
1185: sub getkeys {
1186: my ($lkey,$ukey) = @_;
1187: my $lextkey=hex($lkey);
1188: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1189:
1190: my $uextkey=hex($ukey);
1191: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1192: return ($lextkey,$uextkey);
1193: }
1194:
1195: sub serverform {
1196: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1197: my $phase = 'username_validation';
1198: my $catalog_elements;
1199: if ($context eq 'selfenroll') {
1200: $phase = 'selfenroll_login';
1201: }
1202: if ($courseid ne '') {
1203: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1204: }
1205: my $output = <<ENDSERVERFORM;
1206: <form name="server" method="post" action="/adm/createaccount">
1207: <input type="hidden" name="logtoken" value="$logtoken" />
1208: <input type="hidden" name="token" value="$mailtoken" />
1209: <input type="hidden" name="serverid" value="$lonhost" />
1210: <input type="hidden" name="uname" value="" />
1211: <input type="hidden" name="upass" value="" />
1212: <input type="hidden" name="udom" value="" />
1213: <input type="hidden" name="phase" value="$phase" />
1214: <input type="hidden" name="courseid" value="$courseid" />
1215: $catalog_elements
1216: </form>
1217: ENDSERVERFORM
1218: return $output;
1219: }
1220:
1221: sub process_credentials {
1222: my ($logtoken,$lonhost) = @_;
1223: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1224: my ($retrieved,$output,$upass);
1225: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1226: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1227: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1228: return ($retrieved,$output,$upass);
1229: } else {
1230: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1231: if ($reply eq 'ok') {
1232: $retrieved = 'ok';
1233: } else {
1234: $output = &mt('Session could not be opened.');
1235: }
1236: }
1237: my ($key,$caller)=split(/&/,$tmpinfo);
1238: if ($caller eq 'createaccount') {
1239: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1240: } else {
1241: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1242: }
1243: return ($retrieved,$output,$upass);
1244: }
1245:
1246: sub guest_format_check {
1247: my ($useremail,$domain,$cancreate,$settings) = @_;
1248: my ($login,$format_match,$format_msg,@user_rules);
1249: if (ref($settings) eq 'HASH') {
1250: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1251: push(@user_rules,@{$settings->{'email_rule'}});
1252: }
1253: }
1254: if (@user_rules > 0) {
1255: my %rule_check =
1256: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1257: 'selfcreate',\@user_rules);
1258: if (keys(%rule_check) > 0) {
1259: foreach my $item (keys(%rule_check)) {
1260: if ($rule_check{$item}) {
1261: $format_match = 1;
1262: last;
1263: }
1264: }
1265: }
1266: }
1267: if ($format_match) {
1268: ($login) = ($useremail =~ /^([^\@]+)\@/);
1269: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1270: if (ref($cancreate) eq 'ARRAY') {
1271: if (grep(/^login$/,@{$cancreate})) {
1272: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1273: }
1274: }
1275: }
1276: return $format_msg;
1277: }
1278:
1279: sub sso_logout_frag {
1280: my ($r,$domain) = @_;
1281: my $endsessionmsg;
1282: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1283: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1284: if (-e $msgfile) {
1285: open(my $fh,"<$msgfile");
1286: $endsessionmsg = join('',<$fh>);
1287: close($fh);
1288: }
1289: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1290: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1291: if (-e $msgfile) {
1292: open(my $fh,"<$msgfile");
1293: $endsessionmsg = join('',<$fh>);
1294: close($fh);
1295: }
1296: }
1297: return $endsessionmsg;
1298: }
1299:
1300: sub catreturn_js {
1301: return <<"ENDSCRIPT";
1302: <script type="text/javascript">
1303:
1304: function ToSelfenroll(formname) {
1305: var formidx = getFormByName(formname);
1306: if (formidx > -1) {
1307: document.forms[formidx].action = '/adm/selfenroll';
1308: numidx = getIndexByName(formidx,'phase');
1309: if (numidx > -1) {
1310: document.forms[formidx].elements[numidx].value = '';
1311: }
1312: numidx = getIndexByName(formidx,'context');
1313: if (numidx > -1) {
1314: document.forms[formidx].elements[numidx].value = '';
1315: }
1316: }
1317: document.forms[formidx].submit();
1318: }
1319:
1320: function ToCatalog(formname,caller) {
1321: var formidx = getFormByName(formname);
1322: if (formidx > -1) {
1323: document.forms[formidx].action = '/adm/coursecatalog';
1324: numidx = getIndexByName(formidx,'coursenum');
1325: if (numidx > -1) {
1326: if (caller != 'details') {
1327: document.forms[formidx].elements[numidx].value = '';
1328: }
1329: }
1330: }
1331: document.forms[formidx].submit();
1332: }
1333:
1334: function getIndexByName(formidx,item) {
1335: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1336: if (document.forms[formidx].elements[i].name == item) {
1337: return i;
1338: }
1339: }
1340: return -1;
1341: }
1342:
1343: function getFormByName(item) {
1344: for (var i=0; i<document.forms.length; i++) {
1345: if (document.forms[i].name == item) {
1346: return i;
1347: }
1348: }
1349: return -1;
1350: }
1351:
1352: </script>
1353: ENDSCRIPT
1354:
1355: }
1356:
1357: 1;
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