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 1.40.2.5.2.9 2012/02/14 16:04:22 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 LON-CAPA 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('The course will begin on March 1st, and until that date, a self-test will be available for you to test your level of preparation for our course.').
637: ' '.
638: &mt('The self-test is an integral part of the course, and should be completed by the March 1st start date.').
639: "\n\n".
640: &mt('Best Regards,').
641: "\n\n".
642: &mt('RELATE Group')."\n";
643:
644: my $result = &Apache::resetpw::send_mail('MIT',$email,$mailmsg,
645: $msgfrom,$contact_email,
646: $mailsubj);
647: if ($result eq 'ok') {
648: $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>');
649: } else {
650: $msg .= '<span class="LC_error">'.
651: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
652: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
653: }
654: } else {
655: $msg .= '<span class="LC_error">'.
656: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
657: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
658: }
659: return $msg;
660: }
661:
662: sub process_mailtoken {
663: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
664: $include,$start_page) = @_;
665: my ($msg,$nostart,$noend);
666: my %data = &Apache::lonnet::tmpget($token);
667: my $now = time;
668: if (keys(%data) == 0) {
669: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
670: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
671: .' '.&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>');
672: return $msg;
673: }
674: if (($data{'time'} =~ /^\d+$/) &&
675: ($data{'domain'} ne '') &&
676: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
677: if ($now - $data{'time'} < 7200) {
678: if ($env{'form.phase'} eq 'createaccount') {
679: my ($result,$output) = &create_account($r,$domain,$lonhost,
680: $data{'username'},$domdesc);
681: if ($result eq 'ok') {
682: $msg = $output;
683: my $shownow = &Apache::lonlocal::locallocaltime($now);
684: 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";
685: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
686: $mailmsg,$contact_name,
687: $contact_email);
688: if ($mailresult eq 'ok') {
689: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
690: } else {
691: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
692: }
693: my %form = &start_session($r,$data{'username'},$domain,
694: $lonhost,$data{'courseid'},
695: $token);
696: $nostart = 1;
697: $noend = 1;
698: } else {
699: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
700: .'<br />'.$output
701: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
702: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
703: }
704: my $delete = &Apache::lonnet::tmpdel($token);
705: } else {
706: $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 />';
707: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
708: $nostart = 1;
709: }
710: } else {
711: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
712: .' '.&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>');
713: }
714: } else {
715: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
716: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
717: }
718: return ($msg,$nostart,$noend);
719: }
720:
721: sub start_session {
722: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
723: my %form = (
724: uname => $username,
725: udom => $domain,
726: );
727: my $firsturl = '/adm/roles';
728: if (defined($courseid)) {
729: $courseid = &validate_course($courseid);
730: if ($courseid ne '') {
731: $form{'courseid'} = $courseid;
732: $firsturl = '/adm/selfenroll?courseid='.$courseid;
733: }
734: }
735: if ($r->dir_config('lonBalancer') eq 'yes') {
736: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
737: $lonhost,'noredirect',undef,\%form);
738: if ($token ne '') {
739: my $delete = &Apache::lonnet::tmpdel($token);
740: }
741: $r->internal_redirect('/adm/switchserver');
742: } else {
743: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
744: $lonhost,$firsturl,undef,\%form);
745: }
746: return %form;
747: }
748:
749:
750: sub print_dataentry_form {
751: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
752: my ($error,$output);
753: &print_header($r,$start_page);
754: if (open(my $jsh,"<$include/londes.js")) {
755: while(my $line = <$jsh>) {
756: $r->print($line);
757: }
758: close($jsh);
759: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
760: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
761: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
762: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
763: $lonhost);
764: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
765: my ($datatable,$rowcount) =
766: &Apache::loncreateuser::personal_data_display($username,$domain,
767: 'email','selfcreate');
768: if ($rowcount) {
769: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
770: } else {
771: $output .= $formtag;
772: }
773: $output .= <<"ENDSERVERFORM";
774: <input type="hidden" name="logtoken" value="$logtoken" />
775: <input type="hidden" name="token" value="$mailtoken" />
776: <input type="hidden" name="serverid" value="$lonhost" />
777: <input type="hidden" name="uname" value="" />
778: <input type="hidden" name="upass" value="" />
779: <input type="hidden" name="udom" value="" />
780: <input type="hidden" name="phase" value="createaccount" />
781: </form>
782: ENDSERVERFORM
783: if ($rowcount) {
784: $output .= '</div>'.
785: '<div class="LC_left_float">';
786: }
787: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
788: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
789: my $submit_text = &mt('Create LON-CAPA account');
790: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
791: '<form name="client" method="post" action="" '.
792: 'onsubmit="return checkpass();">'."\n".
793: &Apache::lonhtmlcommon::start_pick_box()."\n".
794: &Apache::lonhtmlcommon::row_title(&mt('Username'),
795: 'LC_pick_box_title',
796: 'LC_oddrow_value')."\n".
797: $username."\n".
798: &Apache::lonhtmlcommon::row_closure(1)."\n".
799: &Apache::lonhtmlcommon::row_title(&mt('Password'),
800: 'LC_pick_box_title',
801: 'LC_oddrow_value')."\n".
802: $upassone."\n".
803: &Apache::lonhtmlcommon::row_closure(1)."\n".
804: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
805: 'LC_pick_box_title',
806: 'LC_oddrow_value')."\n".
807: $upasstwo.
808: &Apache::lonhtmlcommon::row_closure(1)."\n".
809: &Apache::lonhtmlcommon::row_title()."\n".
810: '<br /><input type="submit" name="createaccount" value="'.
811: $submit_text.'" />'.
812: &Apache::lonhtmlcommon::row_closure(1)."\n".
813: &Apache::lonhtmlcommon::end_pick_box()."\n".
814: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
815: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
816: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
817: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
818: '</form>';
819: if ($rowcount) {
820: $output .= '</div>'."\n".
821: '<div class="LC_clear_float_footer"></div>'."\n";
822: }
823: } else {
824: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
825: }
826: return $output;
827: }
828:
829: sub get_creation_controls {
830: my ($domain,$usercreation) = @_;
831: my (@cancreate,@statustocreate);
832: if (ref($usercreation) eq 'HASH') {
833: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
834: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
835: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
836: if (@statustocreate == 0) {
837: my ($othertitle,$usertypes,$types) =
838: &Apache::loncommon::sorted_inst_types($domain);
839: if (ref($types) eq 'ARRAY') {
840: if (@{$types} == 0) {
841: @statustocreate = ('default');
842: }
843: } else {
844: @statustocreate = ('default');
845: }
846: }
847: } else {
848: @statustocreate = ('default');
849: my ($othertitle,$usertypes,$types) =
850: &Apache::loncommon::sorted_inst_types($domain);
851: if (ref($types) eq 'ARRAY') {
852: push(@statustocreate,@{$types});
853: }
854: }
855: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
856: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
857: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
858: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
859: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
860: }
861: }
862: }
863: return (\@cancreate,\@statustocreate);
864: }
865:
866: sub create_account {
867: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
868: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
869: $env{'form.serverid'});
870: # Error messages
871: my $error = '<span class="LC_error">'.&mt('Error:').' ';
872: my $end = '</span><br /><br />';
873: my $rtnlink = '<a href="javascript:history.back();" />'.
874: &mt('Return to previous page').'</a>'.
875: &Apache::loncommon::end_page();
876: if ($retrieved eq 'ok') {
877: if ($env{'form.courseid'} ne '') {
878: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
879: if ($result eq 'fail') {
880: $output = $error.&mt('Invalid ID format').$end.
881: $userchkmsg.$rtnlink;
882: return ('fail',$output);
883: }
884: }
885: } else {
886: return ('fail',$error.$output.$end.$rtnlink);
887: }
888: # Call modifyuser
889: my $result =
890: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
891: 'internal',$upass,$env{'form.cfirstname'},
892: $env{'form.cmiddlename'},$env{'form.clastname'},
893: $env{'form.cgeneration'},undef,undef,$username);
894: $output = &mt('Generating user: [_1]',$result);
895: my $uhome = &Apache::lonnet::homeserver($username,$domain);
896: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
897: &Apache::lonnet::hostname($uhome).'<br /><br />';
898: return ('ok',$output);
899: }
900:
901: sub username_validation {
902: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
903: $lonhost,$statustocreate) = @_;
904: my ($retrieved,$output,$upass);
905:
906: $username= &LONCAPA::clean_username($username);
907: $domain = &LONCAPA::clean_domain($domain);
908: my $uhome = &Apache::lonnet::homeserver($username,$domain);
909:
910: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
911: $env{'form.serverid'});
912: if ($retrieved ne 'ok') {
913: return ('fail',$output);
914: }
915: if ($uhome ne 'no_host') {
916: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
917: if ($result ne 'no_host') {
918: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
919: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
920: return ('existingaccount',$output);
921: } else {
922: $output = &login_failure_msg($courseid);
923: }
924: } else {
925: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
926: my $authok;
927: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
928: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
929: my $checkdefauth = 1;
930: $authok =
931: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
932: } else {
933: $authok = 'non_authorized';
934: }
935: if ($authok eq 'authorized') {
936: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
937: $contact_email,$contact_name,undef,
938: $statustocreate);
939: } else {
940: $output = &login_failure_msg($courseid);
941: }
942: }
943: return ('ok',$output);
944: }
945:
946: sub login_failure_msg {
947: my ($courseid) = @_;
948: my $url;
949: if ($courseid ne '') {
950: $url = "/adm/selfenroll?courseid=".$courseid;
951: } else {
952: $url = "/adm/createaccount";
953: }
954: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
955: &mt('Username and/or password could not be authenticated.').
956: '</div>'.
957: &mt('Please check the username and password.').'<br /><br />';
958: '<a href="'.$url.'">'.&mt('Try again').'</a>';
959: return $output;
960: }
961:
962: sub username_check {
963: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
964: $contact_name,$sso_logout,$statustocreate) = @_;
965: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
966: %alerts,%curr_rules,%got_rules);
967: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
968: \%inst_results,\%curr_rules,\%got_rules,'username');
969: if (ref($alerts{'username'}) eq 'HASH') {
970: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
971: if ($alerts{'username'}{$domain}{$username}) {
972: if (ref($curr_rules{$domain}) eq 'HASH') {
973: $output =
974: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
975: 'selfcreate').
976: &Apache::loncommon::user_rule_formats($domain,$domdesc,
977: $curr_rules{$domain}{'username'},'username');
978: }
979: $checkfail = 'username';
980: }
981: }
982: }
983: if (!$checkfail) {
984: if (ref($statustocreate) eq 'ARRAY') {
985: $checkfail = 'inststatus';
986: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
987: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
988: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
989: undef($checkfail);
990: last;
991: }
992: }
993: } elsif (grep(/^default$/,@{$statustocreate})) {
994: undef($checkfail);
995: }
996: }
997: }
998: if (!$checkfail) {
999: $output = '<form method="post" action="/adm/createaccount">';
1000: (my $datatable,$rowcount,$editable) =
1001: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1002: $inst_results{$username.':'.$domain});
1003: if ($rowcount > 0) {
1004: $output .= $datatable;
1005: }
1006: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1007: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1008: '<input type="hidden" name="phase" value="username_activation" />';
1009: my $now = time;
1010: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1011: 'time' => $now,
1012: 'domain' => $domain,
1013: 'username' => $username);
1014: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1015: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1016: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1017: } else {
1018: $output = &mt('An error occurred when storing a token').'<br />'.
1019: &mt('You will not be able to proceed to the next stage of account creation').
1020: &linkto_email_help($contact_email,$domdesc);
1021: $checkfail = 'authtoken';
1022: }
1023: }
1024: if ($checkfail) {
1025: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1026: if ($checkfail eq 'username') {
1027: $msg .= '<span class="LC_warning">'.
1028: &mt('A LON-CAPA account may not be created with the username you use.').
1029: '</span><br /><br />'.$output;
1030: } elsif ($checkfail eq 'authtoken') {
1031: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1032: '<br />'.$output;
1033: } elsif ($checkfail eq 'inststatus') {
1034: $msg .= '<span class="LC_warning">'.
1035: &mt('You are not permitted to create a LON-CAPA account.').
1036: '</span><br /><br />'.$output;
1037: }
1038: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1039: $contact_name,$contact_email).'<br /><hr />'.
1040: $sso_logout;
1041: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1042: } else {
1043: if ($courseid ne '') {
1044: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1045: }
1046: $output .= '<input type="submit" name="newaccount" value="'.
1047: &mt('Create LON-CAPA account').'" /></form>';
1048: if ($rowcount) {
1049: if ($editable) {
1050: if ($courseid ne '') {
1051: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1052: }
1053: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1054: } else {
1055: if ($courseid ne '') {
1056: $msg = '<h4>'.&mt('Review user information').'</h4>';
1057: }
1058: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1059: }
1060: } else {
1061: if ($courseid ne '') {
1062: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1063: }
1064: $msg .= &mt('Confirm that you wish to create an account.');
1065: }
1066: $msg .= $output;
1067: }
1068: return $msg;
1069: }
1070:
1071: sub username_activation {
1072: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1073: my $output;
1074: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1075: my $end = '</span><br /><br />';
1076: my $rtnlink = '<a href="javascript:history.back();" />'.
1077: &mt('Return to previous page').'</a>'.
1078: &Apache::loncommon::end_page();
1079: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1080: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1081: my $now = time;
1082: my $earlyout;
1083: my $timeout = 300;
1084: if (keys(%data) == 0) {
1085: $output = &mt('Sorry, your authentication has expired.');
1086: $earlyout = 'fail';
1087: }
1088: if (($data{'time'} !~ /^\d+$/) ||
1089: ($data{'domain'} ne $domain) ||
1090: ($data{'username'} ne $username)) {
1091: $earlyout = 'fail';
1092: $output = &mt('The credentials you provided could not be verified.');
1093: } elsif ($now - $data{'time'} > $timeout) {
1094: $earlyout = 'fail';
1095: $output = &mt('Sorry, your authentication has expired.');
1096: }
1097: if ($earlyout ne '') {
1098: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1099: return($earlyout,$output);
1100: }
1101: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1102: ($domdefaults{'auth_arg_def'} ne '')) ||
1103: ($domdefaults{'auth_def'} eq 'localauth')) {
1104: if ($env{'form.courseid'} ne '') {
1105: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1106: if ($result eq 'fail') {
1107: $output = $error.&mt('Invalid ID format').$end.
1108: $userchkmsg.$rtnlink;
1109: return ('fail',$output);
1110: }
1111: }
1112: # Call modifyuser
1113: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1114: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1115: \%inst_results,\%curr_rules,\%got_rules);
1116: my @userinfo = ('firstname','middlename','lastname','generation',
1117: 'permanentemail','id');
1118: my %canmodify =
1119: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1120: \@userinfo,\%inst_results);
1121: foreach my $item (@userinfo) {
1122: if ($canmodify{$item}) {
1123: $info{$item} = $env{'form.c'.$item};
1124: } else {
1125: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1126: }
1127: }
1128: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1129: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1130: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1131: }
1132: my $result =
1133: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1134: $domdefaults{'auth_def'},
1135: $domdefaults{'auth_arg_def'},$info{'firstname'},
1136: $info{'middlename'},$info{'lastname'},
1137: $info{'generation'},undef,undef,
1138: $info{'permanentemail'},$info{'inststatus'});
1139: if ($result eq 'ok') {
1140: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1141: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1142: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1143: my $nostart = 1;
1144: return ('ok',$output,$nostart);
1145: } else {
1146: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1147: return ('fail',$output);
1148: }
1149: } else {
1150: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1151: return('fail',$output);
1152: }
1153: }
1154:
1155: sub check_id {
1156: my ($username,$domain,$domdesc) = @_;
1157: # Check ID format
1158: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1159: my %checks = ('id' => 1);
1160: %{$checkhash{$username.':'.$domain}} = (
1161: 'newuser' => 1,
1162: 'id' => $env{'form.cid'},
1163: );
1164: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1165: \%rulematch,\%inst_results,\%curr_rules);
1166: if (ref($alerts{'id'}) eq 'HASH') {
1167: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1168: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1169: my $userchkmsg;
1170: if (ref($curr_rules{$domain}) eq 'HASH') {
1171: $userchkmsg =
1172: &Apache::loncommon::instrule_disallow_msg('id',
1173: $domdesc,1).
1174: &Apache::loncommon::user_rule_formats($domain,
1175: $domdesc,$curr_rules{$domain}{'id'},'id');
1176: }
1177: return ('fail',$userchkmsg);
1178: }
1179: }
1180: }
1181: return;
1182: }
1183:
1184: sub invalid_state {
1185: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1186: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1187: if ($error eq 'baduseremail') {
1188: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1189: } elsif ($error eq 'existinguser') {
1190: my $uname = &HTML::Entities::encode($useremail);
1191: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1192: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1193: '<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>').
1194: '</li></ul>';
1195: } elsif ($error eq 'userrules') {
1196: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1197: } elsif ($error eq 'userformat') {
1198: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1199: } elsif ($error eq 'captcha') {
1200: $msg .= &mt('Validation of the code you entered failed.');
1201: } elsif ($error eq 'noemails') {
1202: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1203: }
1204: $msg .= '</span>';
1205: if ($msgtext) {
1206: $msg .= '<br />'.$msgtext;
1207: }
1208: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1209: return $msg;
1210: }
1211:
1212: sub linkto_email_help {
1213: my ($contact_email,$domdesc,$error) = @_;
1214: my $msg;
1215: my $href = '/adm/helpdesk';
1216: if ($contact_email ne '') {
1217: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1218: $href .= '?origurl='.$escuri;
1219: if ($error eq 'existinguser') {
1220: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1221: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1222: }
1223: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1224: } else {
1225: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1226: }
1227: return $msg;
1228: }
1229:
1230: sub create_recaptcha {
1231: my ($pubkey) = @_;
1232: my $captcha = Captcha::reCAPTCHA->new;
1233: # generate PUBLICKEY from https://www.google.com/recaptcha
1234: return $captcha->get_options_setter({theme => 'white'})."\n".
1235: $captcha->get_html($pubkey);
1236: }
1237:
1238: sub getkeys {
1239: my ($lkey,$ukey) = @_;
1240: my $lextkey=hex($lkey);
1241: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1242:
1243: my $uextkey=hex($ukey);
1244: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1245: return ($lextkey,$uextkey);
1246: }
1247:
1248: sub serverform {
1249: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1250: my $phase = 'username_validation';
1251: my $catalog_elements;
1252: if ($context eq 'selfenroll') {
1253: $phase = 'selfenroll_login';
1254: }
1255: if ($courseid ne '') {
1256: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1257: }
1258: my $output = <<ENDSERVERFORM;
1259: <form name="server" method="post" action="/adm/createaccount">
1260: <input type="hidden" name="logtoken" value="$logtoken" />
1261: <input type="hidden" name="token" value="$mailtoken" />
1262: <input type="hidden" name="serverid" value="$lonhost" />
1263: <input type="hidden" name="uname" value="" />
1264: <input type="hidden" name="upass" value="" />
1265: <input type="hidden" name="udom" value="" />
1266: <input type="hidden" name="phase" value="$phase" />
1267: <input type="hidden" name="courseid" value="$courseid" />
1268: $catalog_elements
1269: </form>
1270: ENDSERVERFORM
1271: return $output;
1272: }
1273:
1274: sub process_credentials {
1275: my ($logtoken,$lonhost) = @_;
1276: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1277: my ($retrieved,$output,$upass);
1278: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1279: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1280: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1281: return ($retrieved,$output,$upass);
1282: } else {
1283: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1284: if ($reply eq 'ok') {
1285: $retrieved = 'ok';
1286: } else {
1287: $output = &mt('Session could not be opened.');
1288: }
1289: }
1290: my ($key,$caller)=split(/&/,$tmpinfo);
1291: if ($caller eq 'createaccount') {
1292: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1293: } else {
1294: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1295: }
1296: return ($retrieved,$output,$upass);
1297: }
1298:
1299: sub guest_format_check {
1300: my ($useremail,$domain,$cancreate,$settings) = @_;
1301: my ($login,$format_match,$format_msg,@user_rules);
1302: if (ref($settings) eq 'HASH') {
1303: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1304: push(@user_rules,@{$settings->{'email_rule'}});
1305: }
1306: }
1307: if (@user_rules > 0) {
1308: my %rule_check =
1309: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1310: 'selfcreate',\@user_rules);
1311: if (keys(%rule_check) > 0) {
1312: foreach my $item (keys(%rule_check)) {
1313: if ($rule_check{$item}) {
1314: $format_match = 1;
1315: last;
1316: }
1317: }
1318: }
1319: }
1320: if ($format_match) {
1321: ($login) = ($useremail =~ /^([^\@]+)\@/);
1322: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1323: if (ref($cancreate) eq 'ARRAY') {
1324: if (grep(/^login$/,@{$cancreate})) {
1325: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1326: }
1327: }
1328: }
1329: return $format_msg;
1330: }
1331:
1332: sub sso_logout_frag {
1333: my ($r,$domain) = @_;
1334: my $endsessionmsg;
1335: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1336: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1337: if (-e $msgfile) {
1338: open(my $fh,"<$msgfile");
1339: $endsessionmsg = join('',<$fh>);
1340: close($fh);
1341: }
1342: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1343: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1344: if (-e $msgfile) {
1345: open(my $fh,"<$msgfile");
1346: $endsessionmsg = join('',<$fh>);
1347: close($fh);
1348: }
1349: }
1350: return $endsessionmsg;
1351: }
1352:
1353: sub catreturn_js {
1354: return <<"ENDSCRIPT";
1355: <script type="text/javascript">
1356:
1357: function ToSelfenroll(formname) {
1358: var formidx = getFormByName(formname);
1359: if (formidx > -1) {
1360: document.forms[formidx].action = '/adm/selfenroll';
1361: numidx = getIndexByName(formidx,'phase');
1362: if (numidx > -1) {
1363: document.forms[formidx].elements[numidx].value = '';
1364: }
1365: numidx = getIndexByName(formidx,'context');
1366: if (numidx > -1) {
1367: document.forms[formidx].elements[numidx].value = '';
1368: }
1369: }
1370: document.forms[formidx].submit();
1371: }
1372:
1373: function ToCatalog(formname,caller) {
1374: var formidx = getFormByName(formname);
1375: if (formidx > -1) {
1376: document.forms[formidx].action = '/adm/coursecatalog';
1377: numidx = getIndexByName(formidx,'coursenum');
1378: if (numidx > -1) {
1379: if (caller != 'details') {
1380: document.forms[formidx].elements[numidx].value = '';
1381: }
1382: }
1383: }
1384: document.forms[formidx].submit();
1385: }
1386:
1387: function getIndexByName(formidx,item) {
1388: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1389: if (document.forms[formidx].elements[i].name == item) {
1390: return i;
1391: }
1392: }
1393: return -1;
1394: }
1395:
1396: function getFormByName(item) {
1397: for (var i=0; i<document.forms.length; i++) {
1398: if (document.forms[i].name == item) {
1399: return i;
1400: }
1401: }
1402: return -1;
1403: }
1404:
1405: </script>
1406: ENDSCRIPT
1407:
1408: }
1409:
1410: 1;
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