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 1.32.2.1 2009/09/14 15:33:48 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Captcha::reCAPTCHA;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
62: &Apache::lonacc::get_posted_cgi($r);
63: &Apache::lonlocal::get_language_handle($r);
64:
65: if ($sso_username ne '' && $sso_domain ne '') {
66: $domain = $sso_domain;
67: } else {
68: $domain = &Apache::lonnet::default_login_domain();
69: if (defined($env{'form.courseid'})) {
70: if (&validate_course($env{'form.courseid'})) {
71: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
72: $domain = $1;
73: }
74: }
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($domain,'description');
78: my $contact_name = &mt('LON-CAPA helpdesk');
79: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
80: my $contacts =
81: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
82: $domain,$origmail);
83: my ($contact_email) = split(',',$contacts);
84: my $lonhost = $r->dir_config('lonHostID');
85: my $include = $r->dir_config('lonIncludes');
86: my $start_page;
87:
88: my $handle = &Apache::lonnet::check_for_valid_session($r);
89: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
90: $start_page =
91: &Apache::loncommon::start_page('Already logged in');
92: my $end_page =
93: &Apache::loncommon::end_page();
94: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
95: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
96: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
97: return OK;
98: }
99:
100: my ($js,$courseid,$title);
101: if (defined($env{'form.courseid'})) {
102: $courseid = &validate_course($env{'form.courseid'});
103: }
104: if ($courseid ne '') {
105: $js = &catreturn_js();
106: $title = 'Self-enroll in a LON-CAPA course';
107: } else {
108: $title = 'Create a user account in LON-CAPA';
109: }
110: if ($env{'form.phase'} eq 'selfenroll_login') {
111: $title = 'Self-enroll in a LON-CAPA course';
112: if ($env{'form.udom'} ne '') {
113: $domain = $env{'form.udom'};
114: }
115: my ($result,$output) =
116: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
117: $contact_name,$contact_email,$courseid,
118: $lonhost);
119: if ($result eq 'existingaccount') {
120: $r->print($output);
121: &print_footer($r);
122: return OK;
123: } else {
124: $start_page =
125: &Apache::loncommon::start_page($title,$js,
126: {'no_inline_link' => 1,});
127: &print_header($r,$start_page,$courseid);
128: $r->print($output);
129: &print_footer($r);
130: return OK;
131: }
132: }
133: $start_page =
134: &Apache::loncommon::start_page($title,$js,
135: {'no_inline_link' => 1,});
136: my @cancreate;
137: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
138: if (ref($domconfig{'usercreation'}) eq 'HASH') {
139: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
140: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
141: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
142: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
143: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
144: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
145: }
146: }
147: }
148:
149: if (@cancreate == 0) {
150: &print_header($r,$start_page,$courseid);
151: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
152: '<span class="LC_warning">'.
153: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for the GCI WebCenter.').'</span><br /><br />';
154: $r->print($output);
155: &print_footer($r);
156: return OK;
157: }
158:
159: if ($sso_username ne '') {
160: &print_header($r,$start_page,$courseid);
161: my ($msg,$sso_logout);
162: $sso_logout = &sso_logout_frag($r,$domain);
163: if (grep(/^sso$/,@cancreate)) {
164: $msg = '<h3>'.&mt('Account creation').'</h3>'.
165: &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 />';
166:
167: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
168: $lonhost,$contact_email,$contact_name,$sso_logout);
169: } else {
170: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
171: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
172: $sso_logout;
173: }
174: $r->print($msg);
175: &print_footer($r);
176: return OK;
177: }
178:
179: my ($output,$nostart,$noend);
180: my $token = $env{'form.token'};
181: if ($token) {
182: ($output,$nostart,$noend) =
183: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
184: $domdesc,$lonhost,$include,$start_page);
185: if ($nostart) {
186: if ($noend) {
187: return OK;
188: } else {
189: $r->print($output);
190: &print_footer($r);
191: return OK;
192: }
193: } else {
194: &print_header($r,$start_page,$courseid);
195: $r->print($output);
196: &print_footer($r);
197: return OK;
198: }
199: }
200:
201: if ($env{'form.phase'} eq 'username_activation') {
202: (my $result,$output,$nostart) =
203: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
204: $lonhost,$courseid);
205: if ($result eq 'ok') {
206: if ($nostart) {
207: return OK;
208: }
209: }
210: &print_header($r,$start_page,$courseid);
211: $r->print($output);
212: &print_footer($r);
213: return OK;
214: } elsif ($env{'form.phase'} eq 'username_validation') {
215: (my $result,$output) =
216: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
217: $contact_name,$contact_email,$courseid,
218: $lonhost);
219: if ($result eq 'existingaccount') {
220: $r->print($output);
221: &print_footer($r);
222: return OK;
223: } else {
224: &print_header($r,$start_page,$courseid);
225: }
226: } elsif ($env{'form.create_with_email'}) {
227: &print_header($r,$start_page,$courseid);
228: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
229: $contact_name,$contact_email,\@cancreate,
230: $lonhost,$domconfig{'usercreation'},
231: $courseid);
232: } elsif (!$token) {
233: &print_header($r,$start_page,$courseid);
234: my $now=time;
235: if (grep(/^login$/,@cancreate)) {
236: my $jsh=Apache::File->new($include."/londes.js");
237: $r->print(<$jsh>);
238: $r->print(&javascript_setforms($now));
239: }
240: if (grep(/^email$/,@cancreate)) {
241: $r->print(&javascript_validmail());
242: }
243: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
244: $courseid);
245: }
246: $r->print($output);
247: &print_footer($r);
248: return OK;
249: }
250:
251: sub print_header {
252: my ($r,$start_page,$courseid) = @_;
253: $r->print($start_page);
254: &Apache::lonhtmlcommon::clear_breadcrumbs();
255: if ($courseid ne '') {
256: my %coursehash = &Apache::lonnet::coursedescription($courseid);
257: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
258: }
259: &Apache::lonhtmlcommon::add_breadcrumb
260: ({href=>"/adm/createuser",
261: text=>"New username"});
262: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
263: return;
264: }
265:
266: sub print_footer {
267: my ($r) = @_;
268: if ($env{'form.courseid'} ne '') {
269: $r->print('<form name="backupcrumbs" method="post" action="">'.
270: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
271: 'token','serverid','uname','upass','phase','create_with_email',
272: 'code','useremail','crypt','cfirstname','clastname',
273: 'cmiddlename','cgeneration','cpermanentemail','cid']).
274: '</form>');
275: }
276: $r->print(&Apache::loncommon::end_page());
277: }
278:
279: sub selfenroll_crumbs {
280: my ($r,$courseid,$desc) = @_;
281: &Apache::lonhtmlcommon::add_breadcrumb
282: ({href=>"javascript:ToCatalog('backupcrumbs','')",
283: text=>"Course Catalog"});
284: if ($env{'form.coursenum'} ne '') {
285: &Apache::lonhtmlcommon::add_breadcrumb
286: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
287: text=>"Course details"});
288: }
289: my $last_crumb;
290: if ($desc ne '') {
291: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
292: } else {
293: $last_crumb = &mt('Self-enroll');
294: }
295: &Apache::lonhtmlcommon::add_breadcrumb
296: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
297: text=>$last_crumb,
298: no_mt=>"1"});
299: return;
300: }
301:
302: sub validate_course {
303: my ($courseid) = @_;
304: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
305: if (($cdom ne '') && ($cnum ne '')) {
306: if (&Apache::lonnet::is_course($cdom,$cnum)) {
307: return ($courseid);
308: }
309: }
310: return;
311: }
312:
313: sub javascript_setforms {
314: my ($now) = @_;
315: my $js = <<ENDSCRIPT;
316: <script type="text/javascript" language="JavaScript">
317: function send() {
318: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
319: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
320: uextkey=this.document.client.elements.uextkey.value;
321: lextkey=this.document.client.elements.lextkey.value;
322: initkeys();
323:
324: this.document.server.elements.upass.value
325: = crypted(this.document.client.elements.upass$now.value);
326:
327: this.document.client.elements.uname.value='';
328: this.document.client.elements.upass$now.value='';
329:
330: this.document.server.submit();
331: return false;
332: }
333: </script>
334: ENDSCRIPT
335: return $js;
336: }
337:
338: sub javascript_checkpass {
339: my ($now) = @_;
340: my $nopass = &mt('You must enter a password.');
341: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
342: &mt('Please try again.');
343: my $js = <<"ENDSCRIPT";
344: <script type="text/javascript" language="JavaScript">
345: function checkpass() {
346: var upass = this.document.client.elements.upass$now.value;
347: var upasscheck = this.document.client.elements.upasscheck$now.value;
348: if (upass == '') {
349: alert("$nopass");
350: return false;
351: }
352: if (upass == upasscheck) {
353: this.document.client.elements.upasscheck$now.value='';
354: send();
355: return false;
356: } else {
357: alert("$mismatchpass");
358: return false;
359: }
360: }
361: </script>
362: ENDSCRIPT
363: return $js;
364: }
365:
366: sub javascript_validmail {
367: my %lt = &Apache::lonlocal::texthash (
368: email => 'The e-mail address you entered',
369: notv => 'is not a valid e-mail address',
370: );
371: my $output = "\n".'<script type="text/javascript">'."\n".
372: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
373: $output .= <<"ENDSCRIPT";
374: function validate_email() {
375: field = document.createaccount.useremail;
376: if (validmail(field) == false) {
377: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
378: return false;
379: }
380: return true;
381: }
382: ENDSCRIPT
383: $output .= "\n".'</script>'."\n";
384: return $output;
385: }
386:
387: sub print_username_form {
388: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
389: my %lt = &Apache::lonlocal::texthash(
390: unam => 'username',
391: udom => 'domain',
392: uemail => 'E-mail address in LON-CAPA',
393: proc => 'Proceed');
394: my $output;
395: if (ref($cancreate) eq 'ARRAY') {
396: if (grep(/^login$/,@{$cancreate})) {
397: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
398: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
399: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
400: my $submit_text = &mt('Create LON-CAPA account');
401: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
402: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
403: $domain,'createaccount').'</div>';
404: }
405: }
406: if (grep(/^email$/,@{$cancreate})) {
407: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
408: my $captchaform = &create_recaptcha();
409: if ($captchaform) {
410: my $submit_text = &mt('Request LON-CAPA account');
411: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
412: if (grep(/^login$/,@{$cancreate})) {
413: $output .= &mt('Provide your e-mail address to request a LON-CAPA account,[_1] if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
414: } else {
415: $output .= '<br />';
416: }
417: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
418: &Apache::lonhtmlcommon::start_pick_box()."\n".
419: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
420: 'LC_pick_box_title')."\n".
421: $emailform."\n".
422: &Apache::lonhtmlcommon::row_closure(1).
423: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
424: 'LC_pick_box_title')."\n".
425: $captchaform."\n".'<br /><br />';
426: if ($courseid ne '') {
427: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
428: }
429: $output .= &Apache::lonhtmlcommon::row_closure(1).
430: &Apache::lonhtmlcommon::row_title().'<br />'.
431: '<input type="submit" name="create_with_email" value="'.
432: $submit_text.'" />'.
433: &Apache::lonhtmlcommon::row_closure(1).
434: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
435: if ($courseid ne '') {
436: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
437: }
438: $output .= '</form>';
439: } else {
440: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
441: if ($courseid ne '') {
442: $helpdesk .= '&courseid='.$courseid;
443: }
444: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
445: }
446: $output .= '</div>';
447: }
448: }
449: if ($output eq '') {
450: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
451: } else {
452: $output .= '<div class="LC_clear_float_footer"></div>';
453: }
454: return $output;
455: }
456:
457: sub login_box {
458: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
459: my $output;
460: my %titles = &Apache::lonlocal::texthash(
461: createaccount => 'Log-in ID',
462: selfenroll => 'Username',
463: );
464: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
465: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
466: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
467: $lonhost);
468: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
469: my $unameform = '<input type="text" name="uname" size="20" value="" />';
470: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
471: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
472: &Apache::lonhtmlcommon::start_pick_box()."\n".
473: &Apache::lonhtmlcommon::row_title($titles{$context},
474: 'LC_pick_box_title')."\n".
475: $unameform."\n".
476: &Apache::lonhtmlcommon::row_closure(1)."\n".
477: &Apache::lonhtmlcommon::row_title(&mt('Password'),
478: 'LC_pick_box_title')."\n".
479: $upassform."\n".'<br /><br />'."\n".
480: '<input type="button" name="username_validation" value="'.
481: $submit_text.'" onclick="javascript:send()" />'."\n".
482: &Apache::lonhtmlcommon::row_closure(1)."\n".
483: &Apache::lonhtmlcommon::end_pick_box()."\n".
484: '<p><a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
485: '</p>'."\n".
486: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
487: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
488: '</form>';
489: return $output;
490: }
491:
492: sub process_email_request {
493: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
494: $server,$settings,$courseid) = @_;
495: $useremail = $env{'form.useremail'};
496: my $output;
497: if (ref($cancreate) eq 'ARRAY') {
498: if (!grep(/^email$/,@{$cancreate})) {
499: $output = &invalid_state('noemails',$domdesc,
500: $contact_name,$contact_email);
501: return $output;
502: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
503: $output = &invalid_state('baduseremail',$domdesc,
504: $contact_name,$contact_email);
505: return $output;
506: } else {
507: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
508: if ($uhome ne 'no_host') {
509: $output = &invalid_state('existinguser',$domdesc,
510: $contact_name,$contact_email);
511: return $output;
512: } else {
513: my $captcha = Captcha::reCAPTCHA->new;
514: my $captcha_result =
515: $captcha->check_answer(
516: 'PRIVATEKEY',
517: $ENV{'REMOTE_ADDR'},
518: $env{'form.recaptcha_challenge_field'},
519: $env{'form.recaptcha_response_field'},
520: ); # generate private key for IP
521: # from http://recaptcha.net/
522: if (!$captcha_result->{is_valid}) {
523: $output = &invalid_state('captcha',$domdesc,$contact_name,
524: $contact_email);
525: return $output;
526: }
527: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
528: if ($uhome eq 'no_host') {
529: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
530: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
531: \%inst_results,\%curr_rules,%got_rules,'username');
532: if (ref($alerts{'username'}) eq 'HASH') {
533: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
534: if ($alerts{'username'}{$domain}{$useremail}) {
535: $output = &invalid_state('userrules',$domdesc,
536: $contact_name,$contact_email);
537: return $output;
538: }
539: }
540: }
541: my $format_msg =
542: &guest_format_check($useremail,$domain,$cancreate,
543: $settings);
544: if ($format_msg) {
545: $output = &invalid_state('userformat',$domdesc,$contact_name,
546: $contact_email,$format_msg);
547: return $output;
548: }
549: }
550: }
551: }
552: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
553: $contact_email,$courseid);
554: }
555: return $output;
556: }
557:
558: sub call_rulecheck {
559: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
560: $got_rules,$tocheck) = @_;
561: my ($checkhash,$checks);
562: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
563: if ($tocheck eq 'username') {
564: $checks = { 'username' => 1 };
565: }
566: &Apache::loncommon::user_rule_check($checkhash,$checks,
567: $alerts,$rulematch,$inst_results,$curr_rules,
568: $got_rules);
569: return;
570: }
571:
572: sub send_token {
573: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
574: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
575: &mt('Thank you for your request to create a new LON-CAPA account.').
576: '<br /><br />';
577: my $now = time;
578: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
579: 'time' => $now,
580: 'domain' => $domain,
581: 'username' => $email,
582: 'courseid' => $courseid);
583: my $token = &Apache::lonnet::tmpput(\%info,$server);
584: if ($token !~ /^error/ && $token ne 'no_such_host') {
585: my $esc_token = &escape($token);
586: my $showtime = localtime(time);
587: my $mailmsg = &mt('A request was submitted on [_1] for creation of a GCI WebCenter account.',$showtime).' '.
588: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
589: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
590: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
591: $contact_email);
592: if ($result eq 'ok') {
593: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.&mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
594: } else {
595: $msg .= '<span class="LC_error">'.
596: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
597: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
598: }
599: } else {
600: $msg .= '<span class="LC_error">'.
601: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
602: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
603: }
604: return $msg;
605: }
606:
607: sub process_mailtoken {
608: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
609: $include,$start_page) = @_;
610: my ($msg,$nostart,$noend);
611: my %data = &Apache::lonnet::tmpget($token);
612: my $now = time;
613: if (keys(%data) == 0) {
614: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
615: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
616: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
617: return $msg;
618: }
619: if (($data{'time'} =~ /^\d+$/) &&
620: ($data{'domain'} ne '') &&
621: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
622: if ($now - $data{'time'} < 7200) {
623: if ($env{'form.phase'} eq 'createaccount') {
624: my ($result,$output) = &create_account($r,$domain,$lonhost,
625: $data{'username'},$domdesc);
626: if ($result eq 'ok') {
627: $msg = $output;
628: my $shownow = &Apache::lonlocal::locallocaltime($now);
629: my $mailmsg = &mt('A GCI WebCenter account has been created [_1] from IP address: [_2]. If you did not perform this action or authorize it, please contact the [_3] ([_4]).',$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
630: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
631: $mailmsg,$contact_name,
632: $contact_email);
633: if ($mailresult eq 'ok') {
634: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
635: } else {
636: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
637: }
638: my %form = &start_session($r,$data{'username'},$domain,
639: $lonhost,$data{'courseid'},
640: $token);
641: $nostart = 1;
642: $noend = 1;
643: } else {
644: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
645: .'<br />'.$output
646: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
647: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
648: }
649: my $delete = &Apache::lonnet::tmpdel($token);
650: } else {
651: $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 />';
652: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
653: $nostart = 1;
654: }
655: } else {
656: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
657: .' '.&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>');
658: }
659: } else {
660: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
661: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
662: }
663: return ($msg,$nostart,$noend);
664: }
665:
666: sub start_session {
667: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
668: my %form = (
669: uname => $username,
670: udom => $domain,
671: );
672: my $firsturl = '/adm/roles';
673: if (defined($courseid)) {
674: $courseid = &validate_course($courseid);
675: if ($courseid ne '') {
676: $form{'courseid'} = $courseid;
677: $firsturl = '/adm/selfenroll?courseid='.$courseid;
678: }
679: }
680: if ($r->dir_config('lonBalancer') eq 'yes') {
681: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
682: $lonhost,'noredirect',undef,\%form);
683: if ($token ne '') {
684: my $delete = &Apache::lonnet::tmpdel($token);
685: }
686: $r->internal_redirect('/adm/switchserver');
687: } else {
688: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
689: $lonhost,$firsturl,undef,\%form);
690: }
691: return %form;
692: }
693:
694:
695: sub print_dataentry_form {
696: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
697: my ($error,$output);
698: &print_header($r,$start_page);
699: if (open(my $jsh,"<$include/londes.js")) {
700: while(my $line = <$jsh>) {
701: $r->print($line);
702: }
703: close($jsh);
704: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
705: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
706: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
707: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
708: $lonhost);
709: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
710: my ($datatable,$rowcount,$editable) =
711: &Apache::loncreateuser::personal_data_display($username,$domain,
712: 'email','selfcreate');
713: if ($rowcount) {
714: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
715: } else {
716: $output .= $formtag;
717: }
718: $output .= <<"ENDSERVERFORM";
719: <input type="hidden" name="logtoken" value="$logtoken" />
720: <input type="hidden" name="token" value="$mailtoken" />
721: <input type="hidden" name="serverid" value="$lonhost" />
722: <input type="hidden" name="uname" value="" />
723: <input type="hidden" name="upass" value="" />
724: <input type="hidden" name="udom" value="" />
725: <input type="hidden" name="phase" value="createaccount" />
726: </form>
727: ENDSERVERFORM
728: if ($rowcount) {
729: $output .= '</div>'.
730: '<div class="LC_left_float">';
731: }
732: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
733: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
734: my $submit_text = &mt('Create LON-CAPA account');
735: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
736: '<form name="client" method="post" '.
737: 'onsubmit="return checkpass();">'."\n".
738: &Apache::lonhtmlcommon::start_pick_box()."\n".
739: &Apache::lonhtmlcommon::row_title(&mt('Username'),
740: 'LC_pick_box_title',
741: 'LC_oddrow_value')."\n".
742: $username."\n".
743: &Apache::lonhtmlcommon::row_closure(1)."\n".
744: &Apache::lonhtmlcommon::row_title(&mt('Password'),
745: 'LC_pick_box_title',
746: 'LC_oddrow_value')."\n".
747: $upassone."\n".
748: &Apache::lonhtmlcommon::row_closure(1)."\n".
749: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
750: 'LC_pick_box_title',
751: 'LC_oddrow_value')."\n".
752: $upasstwo.
753: &Apache::lonhtmlcommon::row_closure(1)."\n".
754: &Apache::lonhtmlcommon::row_title()."\n".
755: '<br /><input type="submit" name="createaccount" value="'.
756: $submit_text.'" />'.
757: &Apache::lonhtmlcommon::row_closure(1)."\n".
758: &Apache::lonhtmlcommon::end_pick_box()."\n".
759: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
760: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
761: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
762: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
763: '</form>';
764: if ($rowcount) {
765: $output .= '</div>'."\n".
766: '<div class="LC_clear_float_footer"></div>'."\n";
767: }
768: } else {
769: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
770: }
771: return $output;
772: }
773:
774: sub create_account {
775: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
776: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
777: $env{'form.serverid'});
778: # Error messages
779: my $error = '<span class="LC_error">'.&mt('Error:').' ';
780: my $end = '</span><br /><br />';
781: my $rtnlink = '<a href="javascript:history.back();" />'.
782: &mt('Return to previous page').'</a>'.
783: &Apache::loncommon::end_page();
784: if ($retrieved eq 'ok') {
785: if ($env{'form.courseid'} ne '') {
786: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
787: if ($result eq 'fail') {
788: $output = $error.&mt('Invalid ID format').$end.
789: $userchkmsg.$rtnlink;
790: return ('fail',$output);
791: }
792: }
793: } else {
794: return ('fail',$error.$output.$end.$rtnlink);
795: }
796: # Call modifyuser
797: my $result =
798: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
799: 'internal',$upass,$env{'form.cfirstname'},
800: $env{'form.cmiddlename'},$env{'form.clastname'},
801: $env{'form.cgeneration'},undef,undef,$username);
802: $output = &mt('Generating user: [_1]',$result);
803: my $uhome = &Apache::lonnet::homeserver($username,$domain);
804: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
805: &Apache::lonnet::hostname($uhome).'<br /><br />';
806: return ('ok',$output);
807: }
808:
809: sub username_validation {
810: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
811: $lonhost) = @_;
812: my ($retrieved,$output,$upass);
813:
814: $username= &LONCAPA::clean_username($username);
815: $domain = &LONCAPA::clean_domain($domain);
816: my $uhome = &Apache::lonnet::homeserver($username,$domain);
817:
818: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
819: $env{'form.serverid'});
820: if ($retrieved ne 'ok') {
821: return ('fail',$output);
822: }
823: if ($uhome ne 'no_host') {
824: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
825: if ($result ne 'no_host') {
826: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
827: $output = '<br /><br />'.&mt('A GCI WebCenter account already exists for username [_1].','<tt>'.$username.'</tt>').'<br />'.&mt('The password entered was also correct so you have been logged in.');
828: return ('existingaccount',$output);
829: } else {
830: $output = &login_failure_msg($courseid);
831: }
832: } else {
833: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
834: my $authok;
835: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
836: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
837: my $checkdefauth = 1;
838: $authok =
839: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
840: } else {
841: $authok = 'non_authorized';
842: }
843: if ($authok eq 'authorized') {
844: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
845: $contact_email,$contact_name);
846: } else {
847: $output = &login_failure_msg($courseid);
848: }
849: }
850: return ('ok',$output);
851: }
852:
853: sub login_failure_msg {
854: my ($courseid) = @_;
855: my $url;
856: if ($courseid ne '') {
857: $url = "/adm/selfenroll?courseid=".$courseid;
858: } else {
859: $url = "/adm/createaccount";
860: }
861: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
862: &mt('Username and/or password could not be authenticated.').
863: '</div>'.
864: &mt('Please check the username and password.').'<br /><br />';
865: '<a href="'.$url.'">'.&mt('Try again').'</a>';
866: return $output;
867: }
868:
869: sub username_check {
870: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
871: $sso_logout) = @_;
872: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
873: %alerts,%curr_rules,%got_rules);
874: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
875: \%inst_results,\%curr_rules,%got_rules,'username');
876: if (ref($alerts{'username'}) eq 'HASH') {
877: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
878: if ($alerts{'username'}{$domain}{$username}) {
879: if (ref($curr_rules{$domain}) eq 'HASH') {
880: $output =
881: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
882: 'selfcreate').
883: &Apache::loncommon::user_rule_formats($domain,$domdesc,
884: $curr_rules{$domain}{'username'},'username');
885: }
886: $checkfail = 'username';
887: }
888: }
889: }
890: if (!$checkfail) {
891: $output = '<form method="post" action="/adm/createaccount">';
892: (my $datatable,$rowcount,$editable) =
893: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
894: $inst_results{$username.':'.$domain});
895: if ($rowcount > 0) {
896: $output .= $datatable;
897: }
898: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
899: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
900: '<input type="hidden" name="phase" value="username_activation" />';
901: my $now = time;
902: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
903: 'time' => $now,
904: 'domain' => $domain,
905: 'username' => $username);
906: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
907: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
908: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
909: } else {
910: $output = &mt('An error occurred when storing a token').'<br />'.
911: &mt('You will not be able to proceed to the next stage of account creation').
912: &linkto_email_help($contact_email,$domdesc);
913: $checkfail = 'authtoken';
914: }
915: }
916: if ($checkfail) {
917: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
918: if ($checkfail eq 'username') {
919: $msg .= '<span class="LC_warning">'.
920: &mt('A LON-CAPA account may not be created with the username you use.').
921: '</span><br /><br />'.$output;
922: } elsif ($checkfail eq 'authtoken') {
923: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
924: '<br />'.$output;
925: }
926: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
927: $contact_name,$contact_email).'<br /><hr />'.
928: $sso_logout;
929: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
930: } else {
931: if ($courseid ne '') {
932: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
933: }
934: $output .= '<input type="submit" name="newaccount" value="'.
935: &mt('Create LON-CAPA account').'" /></form>';
936: if ($rowcount) {
937: if ($editable) {
938: if ($courseid ne '') {
939: $msg = '<h4>'.&mt('User information').'</h4>';
940: }
941: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
942: } else {
943: if ($courseid ne '') {
944: $msg = '<h4>'.&mt('Review user information').'</h4>';
945: }
946: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
947: }
948: } else {
949: if ($courseid ne '') {
950: $msg = '<h4>'.&mt('Confirmation').'</h4>';
951: }
952: $msg .= &mt('Confirm that you wish to create an account.');
953: }
954: $msg .= $output;
955: }
956: return $msg;
957: }
958:
959: sub username_activation {
960: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
961: my $output;
962: my $error = '<span class="LC_error">'.&mt('Error:').' ';
963: my $end = '</span><br /><br />';
964: my $rtnlink = '<a href="javascript:history.back();" />'.
965: &mt('Return to previous page').'</a>'.
966: &Apache::loncommon::end_page();
967: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
968: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
969: my $now = time;
970: my $earlyout;
971: my $timeout = 300;
972: if (keys(%data) == 0) {
973: $output = &mt('Sorry, your authentication has expired.');
974: $earlyout = 'fail';
975: }
976: if (($data{'time'} !~ /^\d+$/) ||
977: ($data{'domain'} ne $domain) ||
978: ($data{'username'} ne $username)) {
979: $earlyout = 'fail';
980: $output = &mt('The credentials you provided could not be verified.');
981: } elsif ($now - $data{'time'} > $timeout) {
982: $earlyout = 'fail';
983: $output = &mt('Sorry, your authentication has expired.');
984: }
985: if ($earlyout ne '') {
986: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
987: return($earlyout,$output);
988: }
989: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
990: ($domdefaults{'auth_arg_def'} ne '')) ||
991: ($domdefaults{'auth_def'} eq 'localauth')) {
992: if ($env{'form.courseid'} ne '') {
993: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
994: if ($result eq 'fail') {
995: $output = $error.&mt('Invalid ID format').$end.
996: $userchkmsg.$rtnlink;
997: return ('fail',$output);
998: }
999: }
1000: # Call modifyuser
1001: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1002: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1003: \%inst_results,\%curr_rules,%got_rules);
1004: my @userinfo = ('firstname','middlename','lastname','generation',
1005: 'permanentemail','id');
1006: my %canmodify =
1007: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1008: \@userinfo,\%inst_results);
1009: foreach my $item (@userinfo) {
1010: if ($canmodify{$item}) {
1011: $info{$item} = $env{'form.c'.$item};
1012: } else {
1013: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1014: }
1015: }
1016: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1017: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1018: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1019: }
1020: my $result =
1021: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1022: $domdefaults{'auth_def'},
1023: $domdefaults{'auth_arg_def'},$info{'firstname'},
1024: $info{'middlename'},$info{'lastname'},
1025: $info{'generation'},undef,undef,
1026: $info{'permanentemail'},$info{'inststatus'});
1027: if ($result eq 'ok') {
1028: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1029: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1030: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1031: my $nostart = 1;
1032: return ('ok',$output,$nostart);
1033: } else {
1034: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1035: return ('fail',$output);
1036: }
1037: } else {
1038: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1039: return('fail',$output);
1040: }
1041: }
1042:
1043: sub check_id {
1044: my ($username,$domain,$domdesc) = @_;
1045: # Check ID format
1046: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1047: my %checks = ('id' => 1);
1048: %{$checkhash{$username.':'.$domain}} = (
1049: 'newuser' => 1,
1050: 'id' => $env{'form.cid'},
1051: );
1052: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1053: \%rulematch,\%inst_results,\%curr_rules);
1054: if (ref($alerts{'id'}) eq 'HASH') {
1055: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1056: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1057: my $userchkmsg;
1058: if (ref($curr_rules{$domain}) eq 'HASH') {
1059: $userchkmsg =
1060: &Apache::loncommon::instrule_disallow_msg('id',
1061: $domdesc,1).
1062: &Apache::loncommon::user_rule_formats($domain,
1063: $domdesc,$curr_rules{$domain}{'id'},'id');
1064: }
1065: return ('fail',$userchkmsg);
1066: }
1067: }
1068: }
1069: return;
1070: }
1071:
1072: sub invalid_state {
1073: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1074: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1075: if ($error eq 'baduseremail') {
1076: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1077: } elsif ($error eq 'existinguser') {
1078: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1079: } elsif ($error eq 'userrules') {
1080: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1081: } elsif ($error eq 'userformat') {
1082: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1083: } elsif ($error eq 'captcha') {
1084: $msg = &mt('Validation of the code your entered failed.');
1085: } elsif ($error eq 'noemails') {
1086: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1087: }
1088: $msg .= '</span>';
1089: if ($msgtext) {
1090: $msg .= '<br />'.$msgtext;
1091: }
1092: $msg .= &linkto_email_help($contact_email,$domdesc);
1093: return $msg;
1094: }
1095:
1096: sub linkto_email_help {
1097: my ($contact_email,$domdesc) = @_;
1098: my $msg;
1099: if ($contact_email ne '') {
1100: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1101: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1102: } else {
1103: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1104: }
1105: return $msg;
1106: }
1107:
1108: sub create_recaptcha {
1109: my $captcha = Captcha::reCAPTCHA->new;
1110: return $captcha->get_options_setter({theme => 'white'})."\n".
1111: $captcha->get_html('PUBLICKEY'); # generate public key for IP
1112: # from http://recaptcha.net/
1113: }
1114:
1115: sub getkeys {
1116: my ($lkey,$ukey) = @_;
1117: my $lextkey=hex($lkey);
1118: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1119:
1120: my $uextkey=hex($ukey);
1121: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1122: return ($lextkey,$uextkey);
1123: }
1124:
1125: sub serverform {
1126: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1127: my $phase = 'username_validation';
1128: my $catalog_elements;
1129: if ($context eq 'selfenroll') {
1130: $phase = 'selfenroll_login';
1131: }
1132: if ($courseid ne '') {
1133: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1134: }
1135: my $output = <<ENDSERVERFORM;
1136: <form name="server" method="post" action="/adm/createaccount">
1137: <input type="hidden" name="logtoken" value="$logtoken" />
1138: <input type="hidden" name="token" value="$mailtoken" />
1139: <input type="hidden" name="serverid" value="$lonhost" />
1140: <input type="hidden" name="uname" value="" />
1141: <input type="hidden" name="upass" value="" />
1142: <input type="hidden" name="udom" value="" />
1143: <input type="hidden" name="phase" value="$phase" />
1144: <input type="hidden" name="courseid" value="$courseid" />
1145: $catalog_elements
1146: </form>
1147: ENDSERVERFORM
1148: return $output;
1149: }
1150:
1151: sub process_credentials {
1152: my ($logtoken,$lonhost) = @_;
1153: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1154: my ($retrieved,$output,$upass);
1155: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1156: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1157: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1158: return ($retrieved,$output,$upass);
1159: } else {
1160: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1161: if ($reply eq 'ok') {
1162: $retrieved = 'ok';
1163: } else {
1164: $output = &mt('Session could not be opened.');
1165: }
1166: }
1167: my ($key,$caller)=split(/&/,$tmpinfo);
1168: if ($caller eq 'createaccount') {
1169: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1170: } else {
1171: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1172: }
1173: return ($retrieved,$output,$upass);
1174: }
1175:
1176: sub guest_format_check {
1177: my ($useremail,$domain,$cancreate,$settings) = @_;
1178: my ($login,$format_match,$format_msg,@user_rules);
1179: if (ref($settings) eq 'HASH') {
1180: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1181: push(@user_rules,@{$settings->{'email_rule'}});
1182: }
1183: }
1184: if (@user_rules > 0) {
1185: my %rule_check =
1186: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1187: 'selfcreate',\@user_rules);
1188: if (keys(%rule_check) > 0) {
1189: foreach my $item (keys(%rule_check)) {
1190: if ($rule_check{$item}) {
1191: $format_match = 1;
1192: last;
1193: }
1194: }
1195: }
1196: }
1197: if ($format_match) {
1198: ($login) = ($useremail =~ /^([^\@]+)\@/);
1199: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1200: if (ref($cancreate) eq 'ARRAY') {
1201: if (grep(/^login$/,@{$cancreate})) {
1202: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1203: }
1204: }
1205: }
1206: return $format_msg;
1207: }
1208:
1209: sub sso_logout_frag {
1210: my ($r,$domain) = @_;
1211: my $endsessionmsg;
1212: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1213: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1214: if (-e $msgfile) {
1215: open(my $fh,"<$msgfile");
1216: $endsessionmsg = join('',<$fh>);
1217: close($fh);
1218: }
1219: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1220: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1221: if (-e $msgfile) {
1222: open(my $fh,"<$msgfile");
1223: $endsessionmsg = join('',<$fh>);
1224: close($fh);
1225: }
1226: }
1227: return $endsessionmsg;
1228: }
1229:
1230: sub catreturn_js {
1231: return <<"ENDSCRIPT";
1232: <script type="text/javascript">
1233:
1234: function ToSelfenroll(formname) {
1235: var formidx = getFormByName(formname);
1236: if (formidx > -1) {
1237: document.forms[formidx].action = '/adm/selfenroll';
1238: numidx = getIndexByName(formidx,'phase');
1239: if (numidx > -1) {
1240: document.forms[formidx].elements[numidx].value = '';
1241: }
1242: numidx = getIndexByName(formidx,'context');
1243: if (numidx > -1) {
1244: document.forms[formidx].elements[numidx].value = '';
1245: }
1246: }
1247: document.forms[formidx].submit();
1248: }
1249:
1250: function ToCatalog(formname,caller) {
1251: var formidx = getFormByName(formname);
1252: if (formidx > -1) {
1253: document.forms[formidx].action = '/adm/coursecatalog';
1254: numidx = getIndexByName(formidx,'coursenum');
1255: if (numidx > -1) {
1256: if (caller != 'details') {
1257: document.forms[formidx].elements[numidx].value = '';
1258: }
1259: }
1260: }
1261: document.forms[formidx].submit();
1262: }
1263:
1264: function getIndexByName(formidx,item) {
1265: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1266: if (document.forms[formidx].elements[i].name == item) {
1267: return i;
1268: }
1269: }
1270: return -1;
1271: }
1272:
1273: function getFormByName(item) {
1274: for (var i=0; i<document.forms.length; i++) {
1275: if (document.forms[i].name == item) {
1276: return i;
1277: }
1278: }
1279: return -1;
1280: }
1281:
1282: </script>
1283: ENDSCRIPT
1284:
1285: }
1286:
1287: 1;
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