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 1.40.2.5.2.12 2012/03/01 01:11:29 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: my $privkey = $r->dir_config('reCAPTCHA_PRIVATE');
61: my $pubkey = $r->dir_config('reCAPTCHA_PUBLIC');
62:
63: &Apache::loncommon::get_unprocessed_cgi($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: $domain = &Apache::lonnet::default_login_domain();
71: if (defined($env{'form.courseid'})) {
72: if (&validate_course($env{'form.courseid'})) {
73: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
74: $domain = $1;
75: }
76: }
77: }
78: }
79: my $domdesc = &Apache::lonnet::domain($domain,'description');
80: my $contact_name = &mt('LON-CAPA helpdesk');
81: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
82: my $contacts =
83: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
84: $domain,$origmail);
85: my ($contact_email) = split(',',$contacts);
86: my $lonhost = $r->dir_config('lonHostID');
87: my $include = $r->dir_config('lonIncludes');
88: my $start_page;
89:
90: my $handle = &Apache::lonnet::check_for_valid_session($r);
91: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
92: $start_page =
93: &Apache::loncommon::start_page('Already logged in');
94: my $end_page =
95: &Apache::loncommon::end_page();
96: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
97: '<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>').
98: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
99: return OK;
100: }
101:
102: my ($js,$courseid,$title);
103: if (defined($env{'form.courseid'})) {
104: $courseid = &validate_course($env{'form.courseid'});
105: }
106: if ($courseid ne '') {
107: $js = &catreturn_js();
108: $title = 'Self-enroll in a LON-CAPA course';
109: } else {
110: $title = 'Create a user account in LON-CAPA';
111: }
112: if ($env{'form.phase'} eq 'selfenroll_login') {
113: $title = 'Self-enroll in a LON-CAPA course';
114: if ($env{'form.udom'} ne '') {
115: $domain = $env{'form.udom'};
116: }
117:
118: my %domconfig =
119: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
120: my ($cancreate,$statustocreate) =
121: &get_creation_controls($domain,$domconfig{'usercreation'});
122:
123: my ($result,$output) =
124: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
125: $contact_name,$contact_email,$courseid,
126: $lonhost,$statustocreate);
127: if ($result eq 'existingaccount') {
128: $r->print($output);
129: &print_footer($r);
130: return OK;
131: } else {
132: $start_page =
133: &Apache::loncommon::start_page($title,$js,
134: {'no_inline_link' => 1,});
135: &print_header($r,$start_page,$courseid);
136: $r->print($output);
137: &print_footer($r);
138: return OK;
139: }
140: }
141: $start_page =
142: &Apache::loncommon::start_page($title,$js,
143: {'no_inline_link' => 1,});
144: my %domconfig =
145: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
146: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
147: if (@{$cancreate} == 0) {
148: &print_header($r,$start_page,$courseid);
149: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
150: '<span class="LC_warning">'.
151: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for [_1].',$domdesc).'</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);
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: $courseid,$privkey);
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: $courseid,$pubkey);
244: }
245: $r->print($output);
246: &print_footer($r);
247: return OK;
248: }
249:
250: sub get_custom_name {
251: my ($domain) = @_;
252: if ($domain eq 'relate') {
253: return 'Mechanics Online';
254: } else {
255: return lc($domain);
256: }
257: }
258:
259: sub print_header {
260: my ($r,$start_page,$courseid) = @_;
261: $r->print($start_page);
262: &Apache::lonhtmlcommon::clear_breadcrumbs();
263: if ($courseid ne '') {
264: my %coursehash = &Apache::lonnet::coursedescription($courseid);
265: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
266: }
267: &Apache::lonhtmlcommon::add_breadcrumb
268: ({href=>"/adm/createuser",
269: text=>"New username"});
270: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
271: return;
272: }
273:
274: sub print_footer {
275: my ($r) = @_;
276: if ($env{'form.courseid'} ne '') {
277: $r->print('<form name="backupcrumbs" method="post" action="">'.
278: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
279: 'token','serverid','uname','upass','phase','create_with_email',
280: 'code','useremail','crypt','cfirstname','clastname',
281: 'cmiddlename','cgeneration','cpermanentemail','cid']).
282: '</form>');
283: }
284: $r->print(&Apache::loncommon::end_page());
285: }
286:
287: sub selfenroll_crumbs {
288: my ($r,$courseid,$desc) = @_;
289: &Apache::lonhtmlcommon::add_breadcrumb
290: ({href=>"javascript:ToCatalog('backupcrumbs','')",
291: text=>"Course/Community Catalog"});
292: if ($env{'form.coursenum'} ne '') {
293: &Apache::lonhtmlcommon::add_breadcrumb
294: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
295: text=>"Course details"});
296: }
297: my $last_crumb;
298: if ($desc ne '') {
299: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
300: } else {
301: $last_crumb = &mt('Self-enroll');
302: }
303: &Apache::lonhtmlcommon::add_breadcrumb
304: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
305: text=>$last_crumb,
306: no_mt=>"1"});
307: return;
308: }
309:
310: sub validate_course {
311: my ($courseid) = @_;
312: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
313: if (($cdom ne '') && ($cnum ne '')) {
314: if (&Apache::lonnet::is_course($cdom,$cnum)) {
315: return ($courseid);
316: }
317: }
318: return;
319: }
320:
321: sub javascript_setforms {
322: my ($now) = @_;
323: my $js = <<ENDSCRIPT;
324: <script type="text/javascript" language="JavaScript">
325: function send() {
326: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
327: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
328: uextkey=this.document.client.elements.uextkey.value;
329: lextkey=this.document.client.elements.lextkey.value;
330: initkeys();
331:
332: this.document.server.elements.upass.value
333: = crypted(this.document.client.elements.upass$now.value);
334:
335: this.document.client.elements.uname.value='';
336: this.document.client.elements.upass$now.value='';
337:
338: this.document.server.submit();
339: return false;
340: }
341: </script>
342: ENDSCRIPT
343: return $js;
344: }
345:
346: sub javascript_checkpass {
347: my ($now) = @_;
348: my $nopass = &mt('You must enter a password.');
349: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
350: &mt('Please try again.');
351: my $js = <<"ENDSCRIPT";
352: <script type="text/javascript" language="JavaScript">
353: function checkpass() {
354: var upass = this.document.client.elements.upass$now.value;
355: var upasscheck = this.document.client.elements.upasscheck$now.value;
356: if (upass == '') {
357: alert("$nopass");
358: return false;
359: }
360: if (upass == upasscheck) {
361: this.document.client.elements.upasscheck$now.value='';
362: send();
363: return false;
364: } else {
365: alert("$mismatchpass");
366: return false;
367: }
368: }
369: </script>
370: ENDSCRIPT
371: return $js;
372: }
373:
374: sub javascript_validmail {
375: my %lt = &Apache::lonlocal::texthash (
376: email => 'The e-mail address you entered',
377: notv => 'is not a valid e-mail address',
378: );
379: my $output = "\n".'<script type="text/javascript">'."\n".
380: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
381: $output .= <<"ENDSCRIPT";
382: function validate_email() {
383: field = document.createaccount.useremail;
384: if (validmail(field) == false) {
385: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
386: return false;
387: } else {
388: var emailaddr = field.value;
389: var lcemail = emailaddr.toLowerCase();
390: if (emailaddr != lcemail) {
391: field.value = lcemail;
392: alert("Mechanics Online usernames are all lower case.\\nAccordingly your username will be "+lcemail+" once activated.");
393: }
394: }
395: return true;
396: }
397: ENDSCRIPT
398: $output .= "\n".'</script>'."\n";
399: return $output;
400: }
401:
402: sub print_username_form {
403: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid,$pubkey) = @_;
404: my %lt = &Apache::lonlocal::texthash (
405: unam => 'username',
406: udom => 'domain',
407: uemail => 'E-mail address in LON-CAPA',
408: proc => 'Proceed',
409: crea => 'Create account with a username provided by this institution',
410: crlc => 'Create LON-CAPA account',
411: type => 'Type in your log-in ID and password to find out.',
412: plse => 'Please enter a valid e-mail address below.',
413: inst => 'Instructions on how to activate your account will be sent to the e-mail address you provide.',
414: aftr => 'After completing the activation process you will have access to a "self test" that will help you assess your readiness for the course.',
415: thes => 'The same account will be used for access to the Mechanics Online course, once it becomes available on March 1, 2012.',
416: );
417: my $output;
418: if (ref($cancreate) eq 'ARRAY') {
419: if (grep(/^login$/,@{$cancreate})) {
420: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
421: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
422: $output = '<div class="LC_left_float"><h3>'.$lt{'crea'}.'</h3>';
423: my $submit_text = $lt{'crlc'};
424: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').
425: '<br /><br />'.$lt{'type'}.'<br /><br />';
426: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
427: $domain,'createaccount').'</div>';
428: }
429: }
430: if (grep(/^email$/,@{$cancreate})) {
431: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>'.
432: '<p class="LC_info">'.
433: &mt('You are about to sign-up for the [_1]Mechanics Online[_2] course.','<em>','</em>').'<br />'.
434: $lt{'plse'}.'</p><ul>'.
435: '<li>'.$lt{'inst'}.'</li>'.
436: '<li>'.$lt{'aftr'}.'</li>'.
437: '<li>'.$lt{'thes'}.'</li></ul>';
438: my $captchaform = &create_recaptcha($pubkey);
439: if ($captchaform) {
440: my $submit_text = &mt('Sign-up');
441: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
442: if (grep(/^login$/,@{$cancreate})) {
443: $output .= &mt('Provide your e-mail address to sign up for a Mechanics Online account [_1]if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
444: } else {
445: $output .= '<br />';
446: }
447: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
448: &Apache::lonhtmlcommon::start_pick_box()."\n".
449: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
450: 'LC_pick_box_title')."\n".
451: $emailform."\n".
452: &Apache::lonhtmlcommon::row_closure(1).
453: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
454: 'LC_pick_box_title')."\n".
455: $captchaform."\n".
456: &mt('If either word is hard to read, [_1] will replace them.','<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').'<br /><br />';
457: if ($courseid ne '') {
458: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
459: }
460: $output .= &Apache::lonhtmlcommon::row_closure(1).
461: &Apache::lonhtmlcommon::row_title().'<br />'.
462: '<input type="submit" name="create_with_email" value="'.
463: $submit_text.'" />'.
464: &Apache::lonhtmlcommon::row_closure(1).
465: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
466: if ($courseid ne '') {
467: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
468: }
469: $output .= '</form>';
470: } else {
471: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
472: if ($courseid ne '') {
473: $helpdesk .= '&courseid='.$courseid;
474: }
475: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
476: }
477: $output .= '</div>';
478: }
479: }
480: if ($output eq '') {
481: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
482: } else {
483: $output .= '<div class="LC_clear_float_footer"></div>';
484: }
485: return $output;
486: }
487:
488: sub login_box {
489: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
490: my $output;
491: my %titles = &Apache::lonlocal::texthash(
492: createaccount => 'Log-in ID',
493: selfenroll => 'Username',
494: );
495: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
496: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
497: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
498: $lonhost);
499: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
500: my $unameform = '<input type="text" name="uname" size="20" value="" />';
501: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
502: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
503: '<input type="hidden" name="udom" value="'.$domain.'" />'.
504: &Apache::lonhtmlcommon::start_pick_box()."\n".
505: &Apache::lonhtmlcommon::row_title($titles{$context},
506: 'LC_pick_box_title')."\n".
507: $unameform."\n".
508: &Apache::lonhtmlcommon::row_closure(1)."\n".
509: &Apache::lonhtmlcommon::row_title(&mt('Password'),
510: 'LC_pick_box_title')."\n".
511: $upassform.
512: &Apache::lonhtmlcommon::row_closure(1).
513: &Apache::lonhtmlcommon::row_title().
514: '<br /><input type="submit" name="username_validation" value="'.
515: $submit_text.'" />'."\n";
516: if ($context eq 'selfenroll') {
517: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
518: '<span class="LC_fontsize_medium">'.
519: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
520: '</span></td></tr></table>'."\n";
521: }
522: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
523: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
524: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
525: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
526: '</form>';
527: return $output;
528: }
529:
530: sub process_email_request {
531: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
532: $server,$settings,$courseid,$privkey) = @_;
533: $useremail = lc($env{'form.useremail'});
534: my $output;
535: if (ref($cancreate) eq 'ARRAY') {
536: if (!grep(/^email$/,@{$cancreate})) {
537: $output = &invalid_state('noemails',$domdesc,
538: $contact_name,$contact_email);
539: return $output;
540: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
541: $output = &invalid_state('baduseremail',$domdesc,
542: $contact_name,$contact_email);
543: return $output;
544: } else {
545: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
546: if ($uhome ne 'no_host') {
547: $output = &invalid_state('existinguser',$domdesc,
548: $contact_name,$contact_email,'',$useremail);
549: return $output;
550: } else {
551: my $captcha = Captcha::reCAPTCHA->new;
552: my $captcha_result =
553: $captcha->check_answer(
554: $privkey,
555: $ENV{'REMOTE_ADDR'},
556: $env{'form.recaptcha_challenge_field'},
557: $env{'form.recaptcha_response_field'},
558: );
559: # PRIVATE key from https://www.google.com/recaptcha
560: if (!$captcha_result->{is_valid}) {
561: $output = &invalid_state('captcha',$domdesc,$contact_name,
562: $contact_email);
563:
564: return $output;
565: }
566: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
567: if ($uhome eq 'no_host') {
568: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
569: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
570: \%inst_results,\%curr_rules,\%got_rules,'username');
571: if (ref($alerts{'username'}) eq 'HASH') {
572: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
573: if ($alerts{'username'}{$domain}{$useremail}) {
574: $output = &invalid_state('userrules',$domdesc,
575: $contact_name,$contact_email);
576: return $output;
577: }
578: }
579: }
580: my $format_msg =
581: &guest_format_check($useremail,$domain,$cancreate,
582: $settings);
583: if ($format_msg) {
584: $output = &invalid_state('userformat',$domdesc,$contact_name,
585: $contact_email,$format_msg);
586: return $output;
587: }
588: }
589: }
590: }
591: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
592: $contact_email,$courseid);
593: }
594: return $output;
595: }
596:
597: sub call_rulecheck {
598: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
599: $got_rules,$tocheck) = @_;
600: my ($checkhash,$checks);
601: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
602: if ($tocheck eq 'username') {
603: $checks = { 'username' => 1 };
604: }
605: &Apache::loncommon::user_rule_check($checkhash,$checks,
606: $alerts,$rulematch,$inst_results,$curr_rules,
607: $got_rules);
608: return;
609: }
610:
611: sub send_token {
612: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
613: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
614: &mt('Thank you for your request to create a new Mechanics Online account.').
615: '<br /><br />';
616: my $now = time;
617: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
618: 'time' => $now,
619: 'domain' => $domain,
620: 'username' => $email,
621: 'courseid' => $courseid);
622: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
623: if ($token !~ /^error/ && $token ne 'no_such_host') {
624: my $esc_token = &escape($token);
625: my $mailsubj = &mt('Your Mechanics Online Course Account');
626: my $msgfrom = &mt('Mechanics Online Course Staff');
627: my $mailmsg = &mt('Greetings.')."\n\n".
628: &mt('Thank you for your interest in our Online Mechanics Course.').
629: ' '.
630: &mt('In order to complete the registration process, please open the following link in your web browser:').
631: "\n\n".
632: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token.
633: "\n\n".
634: &mt('This link will take you to a sign-up page where you will be asked to provide some general information and finalize the registration process.').
635: ' '.
636: &mt('A self-test (for review) is available within the course, for you to test your level of preparation.').
637: "\n\n".
638: &mt('Best Regards,').
639: "\n\n".
640: &mt('RELATE Group')."\n";
641:
642: my $result = &Apache::resetpw::send_mail('MIT',$email,$mailmsg,
643: $msgfrom,$contact_email,
644: $mailsubj);
645: if ($result eq 'ok') {
646: $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 sign-up process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
647: } else {
648: $msg .= '<span class="LC_error">'.
649: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
650: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
651: }
652: } else {
653: $msg .= '<span class="LC_error">'.
654: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
655: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
656: }
657: return $msg;
658: }
659:
660: sub process_mailtoken {
661: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
662: $include,$start_page) = @_;
663: my ($msg,$nostart,$noend);
664: my %data = &Apache::lonnet::tmpget($token);
665: my $now = time;
666: if (keys(%data) == 0) {
667: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
668: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
669: .' '.&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>');
670: return $msg;
671: }
672: if (($data{'time'} =~ /^\d+$/) &&
673: ($data{'domain'} ne '') &&
674: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
675: if ($now - $data{'time'} < 7200) {
676: if ($env{'form.phase'} eq 'createaccount') {
677: my ($result,$output) = &create_account($r,$domain,$lonhost,
678: $data{'username'},$domdesc);
679: if ($result eq 'ok') {
680: $msg = $output;
681: my $shownow = &Apache::lonlocal::locallocaltime($now);
682: my $mailmsg = &mt('A [_1] account has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
683: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
684: $mailmsg,$contact_name,
685: $contact_email);
686: if ($mailresult eq 'ok') {
687: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
688: } else {
689: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
690: }
691: my %form = &start_session($r,$data{'username'},$domain,
692: $lonhost,$data{'courseid'},
693: $token);
694: $nostart = 1;
695: $noend = 1;
696: } else {
697: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
698: .'<br />'.$output
699: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
700: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
701: }
702: my $delete = &Apache::lonnet::tmpdel($token);
703: } else {
704: $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 />';
705: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
706: $nostart = 1;
707: }
708: } else {
709: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
710: .' '.&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>');
711: }
712: } else {
713: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
714: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
715: }
716: return ($msg,$nostart,$noend);
717: }
718:
719: sub start_session {
720: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
721: my %form = (
722: uname => $username,
723: udom => $domain,
724: );
725: my $firsturl = '/adm/roles';
726: if (defined($courseid)) {
727: $courseid = &validate_course($courseid);
728: if ($courseid ne '') {
729: $form{'courseid'} = $courseid;
730: $firsturl = '/adm/selfenroll?courseid='.$courseid;
731: }
732: }
733: if ($r->dir_config('lonBalancer') eq 'yes') {
734: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
735: $lonhost,'noredirect',undef,\%form);
736: if ($token ne '') {
737: my $delete = &Apache::lonnet::tmpdel($token);
738: }
739: $r->internal_redirect('/adm/switchserver');
740: } else {
741: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
742: $lonhost,$firsturl,undef,\%form);
743: }
744: return %form;
745: }
746:
747:
748: sub print_dataentry_form {
749: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
750: my ($error,$output);
751: &print_header($r,$start_page);
752: if (open(my $jsh,"<$include/londes.js")) {
753: while(my $line = <$jsh>) {
754: $r->print($line);
755: }
756: close($jsh);
757: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
758: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
759: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
760: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
761: $lonhost);
762: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
763: my ($datatable,$rowcount) =
764: &Apache::loncreateuser::personal_data_display($username,$domain,
765: 'email','selfcreate');
766: if ($rowcount) {
767: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
768: } else {
769: $output .= $formtag;
770: }
771: $output .= <<"ENDSERVERFORM";
772: <input type="hidden" name="logtoken" value="$logtoken" />
773: <input type="hidden" name="token" value="$mailtoken" />
774: <input type="hidden" name="serverid" value="$lonhost" />
775: <input type="hidden" name="uname" value="" />
776: <input type="hidden" name="upass" value="" />
777: <input type="hidden" name="udom" value="" />
778: <input type="hidden" name="phase" value="createaccount" />
779: </form>
780: ENDSERVERFORM
781: if ($rowcount) {
782: $output .= '</div>'.
783: '<div class="LC_left_float">';
784: }
785: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
786: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
787: my $submit_text = &mt('Create LON-CAPA account');
788: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
789: '<form name="client" method="post" action="" '.
790: 'onsubmit="return checkpass();">'."\n".
791: &Apache::lonhtmlcommon::start_pick_box()."\n".
792: &Apache::lonhtmlcommon::row_title(&mt('Username'),
793: 'LC_pick_box_title',
794: 'LC_oddrow_value')."\n".
795: $username."\n".
796: &Apache::lonhtmlcommon::row_closure(1)."\n".
797: &Apache::lonhtmlcommon::row_title(&mt('Password'),
798: 'LC_pick_box_title',
799: 'LC_oddrow_value')."\n".
800: $upassone."\n".
801: &Apache::lonhtmlcommon::row_closure(1)."\n".
802: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
803: 'LC_pick_box_title',
804: 'LC_oddrow_value')."\n".
805: $upasstwo.
806: &Apache::lonhtmlcommon::row_closure(1)."\n".
807: &Apache::lonhtmlcommon::row_title()."\n".
808: '<br /><input type="submit" name="createaccount" value="'.
809: $submit_text.'" />'.
810: &Apache::lonhtmlcommon::row_closure(1)."\n".
811: &Apache::lonhtmlcommon::end_pick_box()."\n".
812: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
813: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
814: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
815: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
816: '</form>';
817: if ($rowcount) {
818: $output .= '</div>'."\n".
819: '<div class="LC_clear_float_footer"></div>'."\n";
820: }
821: } else {
822: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
823: }
824: return $output;
825: }
826:
827: sub get_creation_controls {
828: my ($domain,$usercreation) = @_;
829: my (@cancreate,@statustocreate);
830: if (ref($usercreation) eq 'HASH') {
831: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
832: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
833: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
834: if (@statustocreate == 0) {
835: my ($othertitle,$usertypes,$types) =
836: &Apache::loncommon::sorted_inst_types($domain);
837: if (ref($types) eq 'ARRAY') {
838: if (@{$types} == 0) {
839: @statustocreate = ('default');
840: }
841: } else {
842: @statustocreate = ('default');
843: }
844: }
845: } else {
846: @statustocreate = ('default');
847: my ($othertitle,$usertypes,$types) =
848: &Apache::loncommon::sorted_inst_types($domain);
849: if (ref($types) eq 'ARRAY') {
850: push(@statustocreate,@{$types});
851: }
852: }
853: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
854: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
855: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
856: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
857: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
858: }
859: }
860: }
861: return (\@cancreate,\@statustocreate);
862: }
863:
864: sub create_account {
865: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
866: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
867: $env{'form.serverid'});
868: # Error messages
869: my $error = '<span class="LC_error">'.&mt('Error:').' ';
870: my $end = '</span><br /><br />';
871: my $rtnlink = '<a href="javascript:history.back();" />'.
872: &mt('Return to previous page').'</a>'.
873: &Apache::loncommon::end_page();
874: if ($retrieved eq 'ok') {
875: if ($env{'form.courseid'} ne '') {
876: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
877: if ($result eq 'fail') {
878: $output = $error.&mt('Invalid ID format').$end.
879: $userchkmsg.$rtnlink;
880: return ('fail',$output);
881: }
882: }
883: } else {
884: return ('fail',$error.$output.$end.$rtnlink);
885: }
886: # Call modifyuser
887: my $result =
888: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
889: 'internal',$upass,$env{'form.cfirstname'},
890: $env{'form.cmiddlename'},$env{'form.clastname'},
891: $env{'form.cgeneration'},undef,undef,$username);
892: $output = &mt('Generating user: [_1]',$result);
893: my $uhome = &Apache::lonnet::homeserver($username,$domain);
894: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
895: &Apache::lonnet::hostname($uhome).'<br /><br />';
896: return ('ok',$output);
897: }
898:
899: sub username_validation {
900: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
901: $lonhost,$statustocreate) = @_;
902: my ($retrieved,$output,$upass);
903:
904: $username= &LONCAPA::clean_username($username);
905: $domain = &LONCAPA::clean_domain($domain);
906: my $uhome = &Apache::lonnet::homeserver($username,$domain);
907:
908: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
909: $env{'form.serverid'});
910: if ($retrieved ne 'ok') {
911: return ('fail',$output);
912: }
913: if ($uhome ne 'no_host') {
914: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
915: if ($result ne 'no_host') {
916: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
917: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
918: return ('existingaccount',$output);
919: } else {
920: $output = &login_failure_msg($courseid);
921: }
922: } else {
923: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
924: my $authok;
925: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
926: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
927: my $checkdefauth = 1;
928: $authok =
929: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
930: } else {
931: $authok = 'non_authorized';
932: }
933: if ($authok eq 'authorized') {
934: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
935: $contact_email,$contact_name,undef,
936: $statustocreate);
937: } else {
938: $output = &login_failure_msg($courseid);
939: }
940: }
941: return ('ok',$output);
942: }
943:
944: sub login_failure_msg {
945: my ($courseid) = @_;
946: my $url;
947: if ($courseid ne '') {
948: $url = "/adm/selfenroll?courseid=".$courseid;
949: } else {
950: $url = "/adm/createaccount";
951: }
952: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
953: &mt('Username and/or password could not be authenticated.').
954: '</div>'.
955: &mt('Please check the username and password.').'<br /><br />';
956: '<a href="'.$url.'">'.&mt('Try again').'</a>';
957: return $output;
958: }
959:
960: sub username_check {
961: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
962: $contact_name,$sso_logout,$statustocreate) = @_;
963: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
964: %alerts,%curr_rules,%got_rules);
965: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
966: \%inst_results,\%curr_rules,\%got_rules,'username');
967: if (ref($alerts{'username'}) eq 'HASH') {
968: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
969: if ($alerts{'username'}{$domain}{$username}) {
970: if (ref($curr_rules{$domain}) eq 'HASH') {
971: $output =
972: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
973: 'selfcreate').
974: &Apache::loncommon::user_rule_formats($domain,$domdesc,
975: $curr_rules{$domain}{'username'},'username');
976: }
977: $checkfail = 'username';
978: }
979: }
980: }
981: if (!$checkfail) {
982: if (ref($statustocreate) eq 'ARRAY') {
983: $checkfail = 'inststatus';
984: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
985: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
986: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
987: undef($checkfail);
988: last;
989: }
990: }
991: } elsif (grep(/^default$/,@{$statustocreate})) {
992: undef($checkfail);
993: }
994: }
995: }
996: if (!$checkfail) {
997: $output = '<form method="post" action="/adm/createaccount">';
998: (my $datatable,$rowcount,$editable) =
999: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1000: $inst_results{$username.':'.$domain});
1001: if ($rowcount > 0) {
1002: $output .= $datatable;
1003: }
1004: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1005: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1006: '<input type="hidden" name="phase" value="username_activation" />';
1007: my $now = time;
1008: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1009: 'time' => $now,
1010: 'domain' => $domain,
1011: 'username' => $username);
1012: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1013: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1014: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1015: } else {
1016: $output = &mt('An error occurred when storing a token').'<br />'.
1017: &mt('You will not be able to proceed to the next stage of account creation').
1018: &linkto_email_help($contact_email,$domdesc);
1019: $checkfail = 'authtoken';
1020: }
1021: }
1022: if ($checkfail) {
1023: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1024: if ($checkfail eq 'username') {
1025: $msg .= '<span class="LC_warning">'.
1026: &mt('A LON-CAPA account may not be created with the username you use.').
1027: '</span><br /><br />'.$output;
1028: } elsif ($checkfail eq 'authtoken') {
1029: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1030: '<br />'.$output;
1031: } elsif ($checkfail eq 'inststatus') {
1032: $msg .= '<span class="LC_warning">'.
1033: &mt('You are not permitted to create a LON-CAPA account.').
1034: '</span><br /><br />'.$output;
1035: }
1036: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1037: $contact_name,$contact_email).'<br /><hr />'.
1038: $sso_logout;
1039: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1040: } else {
1041: if ($courseid ne '') {
1042: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1043: }
1044: $output .= '<input type="submit" name="newaccount" value="'.
1045: &mt('Create LON-CAPA account').'" /></form>';
1046: if ($rowcount) {
1047: if ($editable) {
1048: if ($courseid ne '') {
1049: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1050: }
1051: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1052: } else {
1053: if ($courseid ne '') {
1054: $msg = '<h4>'.&mt('Review user information').'</h4>';
1055: }
1056: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1057: }
1058: } else {
1059: if ($courseid ne '') {
1060: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1061: }
1062: $msg .= &mt('Confirm that you wish to create an account.');
1063: }
1064: $msg .= $output;
1065: }
1066: return $msg;
1067: }
1068:
1069: sub username_activation {
1070: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1071: my $output;
1072: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1073: my $end = '</span><br /><br />';
1074: my $rtnlink = '<a href="javascript:history.back();" />'.
1075: &mt('Return to previous page').'</a>'.
1076: &Apache::loncommon::end_page();
1077: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1078: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1079: my $now = time;
1080: my $earlyout;
1081: my $timeout = 300;
1082: if (keys(%data) == 0) {
1083: $output = &mt('Sorry, your authentication has expired.');
1084: $earlyout = 'fail';
1085: }
1086: if (($data{'time'} !~ /^\d+$/) ||
1087: ($data{'domain'} ne $domain) ||
1088: ($data{'username'} ne $username)) {
1089: $earlyout = 'fail';
1090: $output = &mt('The credentials you provided could not be verified.');
1091: } elsif ($now - $data{'time'} > $timeout) {
1092: $earlyout = 'fail';
1093: $output = &mt('Sorry, your authentication has expired.');
1094: }
1095: if ($earlyout ne '') {
1096: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1097: return($earlyout,$output);
1098: }
1099: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1100: ($domdefaults{'auth_arg_def'} ne '')) ||
1101: ($domdefaults{'auth_def'} eq 'localauth')) {
1102: if ($env{'form.courseid'} ne '') {
1103: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1104: if ($result eq 'fail') {
1105: $output = $error.&mt('Invalid ID format').$end.
1106: $userchkmsg.$rtnlink;
1107: return ('fail',$output);
1108: }
1109: }
1110: # Call modifyuser
1111: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1112: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1113: \%inst_results,\%curr_rules,\%got_rules);
1114: my @userinfo = ('firstname','middlename','lastname','generation',
1115: 'permanentemail','id');
1116: my %canmodify =
1117: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1118: \@userinfo,\%inst_results);
1119: foreach my $item (@userinfo) {
1120: if ($canmodify{$item}) {
1121: $info{$item} = $env{'form.c'.$item};
1122: } else {
1123: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1124: }
1125: }
1126: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1127: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1128: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1129: }
1130: my $result =
1131: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1132: $domdefaults{'auth_def'},
1133: $domdefaults{'auth_arg_def'},$info{'firstname'},
1134: $info{'middlename'},$info{'lastname'},
1135: $info{'generation'},undef,undef,
1136: $info{'permanentemail'},$info{'inststatus'});
1137: if ($result eq 'ok') {
1138: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1139: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1140: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1141: my $nostart = 1;
1142: return ('ok',$output,$nostart);
1143: } else {
1144: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1145: return ('fail',$output);
1146: }
1147: } else {
1148: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1149: return('fail',$output);
1150: }
1151: }
1152:
1153: sub check_id {
1154: my ($username,$domain,$domdesc) = @_;
1155: # Check ID format
1156: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1157: my %checks = ('id' => 1);
1158: %{$checkhash{$username.':'.$domain}} = (
1159: 'newuser' => 1,
1160: 'id' => $env{'form.cid'},
1161: );
1162: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1163: \%rulematch,\%inst_results,\%curr_rules);
1164: if (ref($alerts{'id'}) eq 'HASH') {
1165: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1166: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1167: my $userchkmsg;
1168: if (ref($curr_rules{$domain}) eq 'HASH') {
1169: $userchkmsg =
1170: &Apache::loncommon::instrule_disallow_msg('id',
1171: $domdesc,1).
1172: &Apache::loncommon::user_rule_formats($domain,
1173: $domdesc,$curr_rules{$domain}{'id'},'id');
1174: }
1175: return ('fail',$userchkmsg);
1176: }
1177: }
1178: }
1179: return;
1180: }
1181:
1182: sub invalid_state {
1183: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1184: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1185: if ($error eq 'baduseremail') {
1186: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1187: } elsif ($error eq 'existinguser') {
1188: my $uname = &HTML::Entities::encode($useremail);
1189: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1190: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1191: '<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>').
1192: '</li></ul>';
1193: } elsif ($error eq 'userrules') {
1194: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1195: } elsif ($error eq 'userformat') {
1196: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1197: } elsif ($error eq 'captcha') {
1198: $msg .= &mt('Validation of the code you entered failed.');
1199: } elsif ($error eq 'noemails') {
1200: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1201: }
1202: $msg .= '</span>';
1203: if ($msgtext) {
1204: $msg .= '<br />'.$msgtext;
1205: }
1206: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1207: return $msg;
1208: }
1209:
1210: sub linkto_email_help {
1211: my ($contact_email,$domdesc,$error) = @_;
1212: my $msg;
1213: my $href = '/adm/helpdesk';
1214: if ($contact_email ne '') {
1215: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1216: $href .= '?origurl='.$escuri;
1217: if ($error eq 'existinguser') {
1218: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1219: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1220: }
1221: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1222: } else {
1223: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1224: }
1225: return $msg;
1226: }
1227:
1228: sub create_recaptcha {
1229: my ($pubkey) = @_;
1230: my $captcha = Captcha::reCAPTCHA->new;
1231: # generate PUBLICKEY from https://www.google.com/recaptcha
1232: return $captcha->get_options_setter({theme => 'white'})."\n".
1233: $captcha->get_html($pubkey);
1234: }
1235:
1236: sub getkeys {
1237: my ($lkey,$ukey) = @_;
1238: my $lextkey=hex($lkey);
1239: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1240:
1241: my $uextkey=hex($ukey);
1242: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1243: return ($lextkey,$uextkey);
1244: }
1245:
1246: sub serverform {
1247: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1248: my $phase = 'username_validation';
1249: my $catalog_elements;
1250: if ($context eq 'selfenroll') {
1251: $phase = 'selfenroll_login';
1252: }
1253: if ($courseid ne '') {
1254: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1255: }
1256: my $output = <<ENDSERVERFORM;
1257: <form name="server" method="post" action="/adm/createaccount">
1258: <input type="hidden" name="logtoken" value="$logtoken" />
1259: <input type="hidden" name="token" value="$mailtoken" />
1260: <input type="hidden" name="serverid" value="$lonhost" />
1261: <input type="hidden" name="uname" value="" />
1262: <input type="hidden" name="upass" value="" />
1263: <input type="hidden" name="udom" value="" />
1264: <input type="hidden" name="phase" value="$phase" />
1265: <input type="hidden" name="courseid" value="$courseid" />
1266: $catalog_elements
1267: </form>
1268: ENDSERVERFORM
1269: return $output;
1270: }
1271:
1272: sub process_credentials {
1273: my ($logtoken,$lonhost) = @_;
1274: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1275: my ($retrieved,$output,$upass);
1276: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1277: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1278: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1279: return ($retrieved,$output,$upass);
1280: } else {
1281: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1282: if ($reply eq 'ok') {
1283: $retrieved = 'ok';
1284: } else {
1285: $output = &mt('Session could not be opened.');
1286: }
1287: }
1288: my ($key,$caller)=split(/&/,$tmpinfo);
1289: if ($caller eq 'createaccount') {
1290: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1291: } else {
1292: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1293: }
1294: return ($retrieved,$output,$upass);
1295: }
1296:
1297: sub guest_format_check {
1298: my ($useremail,$domain,$cancreate,$settings) = @_;
1299: my ($login,$format_match,$format_msg,@user_rules);
1300: if (ref($settings) eq 'HASH') {
1301: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1302: push(@user_rules,@{$settings->{'email_rule'}});
1303: }
1304: }
1305: if (@user_rules > 0) {
1306: my %rule_check =
1307: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1308: 'selfcreate',\@user_rules);
1309: if (keys(%rule_check) > 0) {
1310: foreach my $item (keys(%rule_check)) {
1311: if ($rule_check{$item}) {
1312: $format_match = 1;
1313: last;
1314: }
1315: }
1316: }
1317: }
1318: if ($format_match) {
1319: ($login) = ($useremail =~ /^([^\@]+)\@/);
1320: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1321: if (ref($cancreate) eq 'ARRAY') {
1322: if (grep(/^login$/,@{$cancreate})) {
1323: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1324: }
1325: }
1326: }
1327: return $format_msg;
1328: }
1329:
1330: sub sso_logout_frag {
1331: my ($r,$domain) = @_;
1332: my $endsessionmsg;
1333: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1334: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1335: if (-e $msgfile) {
1336: open(my $fh,"<$msgfile");
1337: $endsessionmsg = join('',<$fh>);
1338: close($fh);
1339: }
1340: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1341: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1342: if (-e $msgfile) {
1343: open(my $fh,"<$msgfile");
1344: $endsessionmsg = join('',<$fh>);
1345: close($fh);
1346: }
1347: }
1348: return $endsessionmsg;
1349: }
1350:
1351: sub catreturn_js {
1352: return <<"ENDSCRIPT";
1353: <script type="text/javascript">
1354:
1355: function ToSelfenroll(formname) {
1356: var formidx = getFormByName(formname);
1357: if (formidx > -1) {
1358: document.forms[formidx].action = '/adm/selfenroll';
1359: numidx = getIndexByName(formidx,'phase');
1360: if (numidx > -1) {
1361: document.forms[formidx].elements[numidx].value = '';
1362: }
1363: numidx = getIndexByName(formidx,'context');
1364: if (numidx > -1) {
1365: document.forms[formidx].elements[numidx].value = '';
1366: }
1367: }
1368: document.forms[formidx].submit();
1369: }
1370:
1371: function ToCatalog(formname,caller) {
1372: var formidx = getFormByName(formname);
1373: if (formidx > -1) {
1374: document.forms[formidx].action = '/adm/coursecatalog';
1375: numidx = getIndexByName(formidx,'coursenum');
1376: if (numidx > -1) {
1377: if (caller != 'details') {
1378: document.forms[formidx].elements[numidx].value = '';
1379: }
1380: }
1381: }
1382: document.forms[formidx].submit();
1383: }
1384:
1385: function getIndexByName(formidx,item) {
1386: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1387: if (document.forms[formidx].elements[i].name == item) {
1388: return i;
1389: }
1390: }
1391: return -1;
1392: }
1393:
1394: function getFormByName(item) {
1395: for (var i=0; i<document.forms.length; i++) {
1396: if (document.forms[i].name == item) {
1397: return i;
1398: }
1399: }
1400: return -1;
1401: }
1402:
1403: </script>
1404: ENDSCRIPT
1405:
1406: }
1407:
1408: 1;
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