File:
[LON-CAPA] /
loncom /
interface /
createaccount.pm
Revision
1.23:
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Thu Jul 17 20:19:43 2008 UTC (15 years, 9 months ago) by
raeburn
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MAIN
CVS tags:
version_2_6_99_1,
HEAD
- Fix typo (missing quote after cid in call to echo_form_output().
- Checking of username against institutional rules moved to &call_rulecheck() routine.
- Institutional ststus types including as final arg in call to Apache::lonnet::modifyuser().
- Sanity checking so unmodifiable fields use institutional data for the new user.
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 1.23 2008/07/17 20:19:43 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 Authen::Captcha;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: 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 = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: if ($sso_username ne '' && $sso_domain ne '') {
62: $domain = $sso_domain;
63: } else {
64: $domain = &Apache::lonnet::default_login_domain();
65: }
66: my $domdesc = &Apache::lonnet::domain($domain,'description');
67: my $contact_name = &mt('LON-CAPA helpdesk');
68: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
69: my $contacts =
70: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
71: $domain,$origmail);
72: my ($contact_email) = split(',',$contacts);
73: my $lonhost = $r->dir_config('lonHostID');
74: my $include = $r->dir_config('lonIncludes');
75: my $start_page;
76:
77: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
78: &Apache::lonacc::get_posted_cgi($r);
79: &Apache::lonlocal::get_language_handle($r);
80:
81: my $handle = &Apache::lonnet::check_for_valid_session($r);
82: if ($handle ne '') {
83: $start_page =
84: &Apache::loncommon::start_page('Already logged in');
85: my $end_page =
86: &Apache::loncommon::end_page();
87: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
88: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
89: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
90: return OK;
91: }
92:
93: my ($js,$courseid,$title);
94: if (defined($env{'form.courseid'})) {
95: $courseid = &validate_course($env{'form.courseid'});
96: }
97: if ($courseid ne '') {
98: $js = &catreturn_js();
99: $title = 'Self-enroll in a LON-CAPA course';
100: } else {
101: $title = 'Create a user account in LON-CAPA';
102: }
103: if ($env{'form.phase'} eq 'selfenroll_login') {
104: $title = 'Self-enroll in a LON-CAPA course';
105: if ($env{'form.udom'} ne '') {
106: $domain = $env{'form.udom'};
107: }
108: my ($result,$output) =
109: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
110: $contact_name,$contact_email,$courseid,
111: $lonhost);
112: if ($result eq 'existingaccount') {
113: $r->print($output);
114: &print_footer($r);
115: return OK;
116: } else {
117: $start_page =
118: &Apache::loncommon::start_page($title,$js,
119: {'no_inline_link' => 1,});
120: &print_header($r,$start_page,$courseid);
121: $r->print($output);
122: &print_footer($r);
123: return OK;
124: }
125: }
126: $start_page =
127: &Apache::loncommon::start_page($title,$js,
128: {'no_inline_link' => 1,});
129: my @cancreate;
130: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
131: if (ref($domconfig{'usercreation'}) eq 'HASH') {
132: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
133: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
134: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
135: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
136: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
137: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
138: }
139: }
140: }
141:
142: if (@cancreate == 0) {
143: &print_header($r,$start_page,$courseid);
144: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
145: '<span class="LC_warning">'.
146: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
147: $r->print($output);
148: &print_footer($r);
149: return OK;
150: }
151:
152: if ($sso_username ne '') {
153: &print_header($r,$start_page,$courseid);
154: my ($msg,$sso_logout);
155: $sso_logout = &sso_logout_frag($r,$domain);
156: if (grep(/^sso$/,@cancreate)) {
157: $msg = '<h3>'.&mt('Account creation').'</h3>'.
158: &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 />';
159:
160: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
161: $lonhost,$contact_email,$contact_name,$sso_logout);
162: } else {
163: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
164: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
165: $sso_logout;
166: }
167: $r->print($msg);
168: &print_footer($r);
169: return OK;
170: }
171:
172: my ($output,$nostart,$noend);
173: my $token = $env{'form.token'};
174: if ($token) {
175: ($output,$nostart,$noend) =
176: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
177: $domdesc,$lonhost,$include,$start_page);
178: if ($nostart) {
179: if ($noend) {
180: return OK;
181: } else {
182: $r->print($output);
183: &print_footer($r);
184: return OK;
185: }
186: } else {
187: &print_header($r,$start_page,$courseid);
188: $r->print($output);
189: &print_footer($r);
190: return OK;
191: }
192: }
193:
194: if ($env{'form.phase'} eq 'username_activation') {
195: (my $result,$output,$nostart) =
196: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
197: $lonhost,$courseid);
198: if ($result eq 'ok') {
199: if ($nostart) {
200: return OK;
201: }
202: }
203: &print_header($r,$start_page,$courseid);
204: $r->print($output);
205: &print_footer($r);
206: return OK;
207: } elsif ($env{'form.phase'} eq 'username_validation') {
208: (my $result,$output) =
209: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
210: $contact_name,$contact_email,$courseid,
211: $lonhost);
212: if ($result eq 'existingaccount') {
213: $r->print($output);
214: &print_footer($r);
215: return OK;
216: } else {
217: &print_header($r,$start_page,$courseid);
218: }
219: } elsif ($env{'form.create_with_email'}) {
220: &print_header($r,$start_page,$courseid);
221: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
222: $contact_name,$contact_email,\@cancreate,
223: $lonhost,$domconfig{'usercreation'},
224: $courseid);
225: } elsif (!$token) {
226: &print_header($r,$start_page,$courseid);
227: my $now=time;
228: if (grep(/^login$/,@cancreate)) {
229: my $jsh=Apache::File->new($include."/londes.js");
230: $r->print(<$jsh>);
231: $r->print(&javascript_setforms($now));
232: }
233: if (grep(/^email$/,@cancreate)) {
234: $r->print(&javascript_validmail());
235: }
236: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
237: $courseid);
238: }
239: $r->print($output);
240: &print_footer($r);
241: return OK;
242: }
243:
244: sub print_header {
245: my ($r,$start_page,$courseid) = @_;
246: $r->print($start_page);
247: &Apache::lonhtmlcommon::clear_breadcrumbs();
248: if ($courseid ne '') {
249: my %coursehash = &Apache::lonnet::coursedescription($courseid);
250: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
251: }
252: &Apache::lonhtmlcommon::add_breadcrumb
253: ({href=>"/adm/createuser",
254: text=>"New username"});
255: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
256: return;
257: }
258:
259: sub print_footer {
260: my ($r) = @_;
261: if ($env{'form.courseid'} ne '') {
262: $r->print('<form name="backupcrumbs" method="post" action="">'.
263: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
264: 'token','serverid','uname','upass','phase','create_with_email',
265: 'code','useremail','crypt','cfirstname','clastname',
266: 'cmiddlename','cgeneration','cpermanentemail','cid']).
267: '</form>');
268: }
269: $r->print(&Apache::loncommon::end_page());
270: }
271:
272: sub selfenroll_crumbs {
273: my ($r,$courseid,$desc) = @_;
274: &Apache::lonhtmlcommon::add_breadcrumb
275: ({href=>"javascript:ToCatalog('backupcrumbs','')",
276: text=>"Course Catalog"});
277: if ($env{'form.coursenum'} ne '') {
278: &Apache::lonhtmlcommon::add_breadcrumb
279: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
280: text=>"Course details"});
281: }
282: my $last_crumb;
283: if ($desc ne '') {
284: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
285: } else {
286: $last_crumb = &mt('Self-enroll');
287: }
288: &Apache::lonhtmlcommon::add_breadcrumb
289: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
290: text=>$last_crumb,
291: no_mt=>"1"});
292: return;
293: }
294:
295: sub validate_course {
296: my ($courseid) = @_;
297: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
298: if (($cdom ne '') && ($cnum ne '')) {
299: if (&Apache::lonnet::is_course($cdom,$cnum)) {
300: return ($courseid);
301: }
302: }
303: return;
304: }
305:
306: sub javascript_setforms {
307: my ($now) = @_;
308: my $js = <<ENDSCRIPT;
309: <script language="JavaScript">
310: function send() {
311: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
312: uextkey=this.document.client.elements.uextkey.value;
313: lextkey=this.document.client.elements.lextkey.value;
314: initkeys();
315:
316: this.document.server.elements.upass.value
317: = crypted(this.document.client.elements.upass$now.value);
318:
319: this.document.client.elements.uname.value='';
320: this.document.client.elements.upass$now.value='';
321:
322: this.document.server.submit();
323: return false;
324: }
325: </script>
326: ENDSCRIPT
327: return $js;
328: }
329:
330: sub javascript_checkpass {
331: my ($now) = @_;
332: my $nopass = &mt('You must enter a password.');
333: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
334: &mt('Please try again.');
335: my $js = <<"ENDSCRIPT";
336: <script type="text/javascript" language="JavaScript">
337: function checkpass() {
338: var upass = this.document.client.elements.upass$now.value;
339: var upasscheck = this.document.client.elements.upasscheck$now.value;
340: if (upass == '') {
341: alert("$nopass");
342: return;
343: }
344: if (upass == upasscheck) {
345: this.document.client.elements.upasscheck$now.value='';
346: send();
347: return;
348: } else {
349: alert("$mismatchpass");
350: return;
351: }
352: }
353: </script>
354: ENDSCRIPT
355: return $js;
356: }
357:
358: sub javascript_validmail {
359: my %lt = &Apache::lonlocal::texthash (
360: email => 'The e-mail address you entered',
361: notv => 'is not a valid e-mail address',
362: );
363: my $output = "\n".'<script type="text/javascript">'."\n".
364: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
365: $output .= <<"ENDSCRIPT";
366: function validate_email() {
367: field = document.createaccount.useremail;
368: if (validmail(field) == false) {
369: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
370: return false;
371: }
372: return true;
373: }
374: ENDSCRIPT
375: $output .= "\n".'</script>'."\n";
376: return $output;
377: }
378:
379: sub print_username_form {
380: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
381: my %lt = &Apache::lonlocal::texthash(
382: unam => 'username',
383: udom => 'domain',
384: uemail => 'Email address in LON-CAPA',
385: proc => 'Proceed');
386: my $output;
387: if (ref($cancreate) eq 'ARRAY') {
388: if (grep(/^login$/,@{$cancreate})) {
389: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
390: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
391: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
392: my $submit_text = &mt('Create LON-CAPA account');
393: $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 />';
394: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
395: $domain,'createaccount').'</div>';
396: }
397: }
398: if (grep(/^email$/,@{$cancreate})) {
399: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
400: if (grep(/^login$/,@{$cancreate})) {
401: $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 />';
402: } else {
403: $output .= '<br />';
404: }
405: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
406: my $captchaform = &create_captcha();
407: my $submit_text = &mt('Request LON-CAPA account');
408: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
409: &Apache::lonhtmlcommon::start_pick_box()."\n".
410: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
411: 'LC_pick_box_title')."\n".
412: $emailform."\n".
413: &Apache::lonhtmlcommon::row_closure(1).
414: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
415: 'LC_pick_box_title')."\n".
416: $captchaform."\n".'<br /><br />';
417: if ($courseid ne '') {
418: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
419: }
420: $output .= '<input type="submit" name="create_with_email" value="'.
421: $submit_text.'" />'.
422: &Apache::lonhtmlcommon::row_closure(1).
423: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
424: if ($courseid ne '') {
425: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
426: }
427: $output .= '</form></div>';
428: }
429: }
430: if ($output eq '') {
431: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
432: } else {
433: $output .= '<div class="LC_clear_float_footer"></div>';
434: }
435: return $output;
436: }
437:
438: sub login_box {
439: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
440: my $output;
441: my %titles = &Apache::lonlocal::texthash(
442: createaccount => 'Log-in ID',
443: selfenroll => 'Username',
444: );
445: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
446: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
447: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
448: $lonhost);
449: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
450: my $unameform = '<input type="text" name="uname" size="10" value="" />';
451: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
452: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
453: &Apache::lonhtmlcommon::start_pick_box()."\n";
454: if ($context eq 'selfenroll') {
455: my $udomform = '<input type="text" name="udom" size="10" value="'.
456: $domain.'" />';
457: $output .= &Apache::lonhtmlcommon::row_title(&mt('Domain'),
458: 'LC_pick_box_title')."\n".
459: $udomform."\n".
460: &Apache::lonhtmlcommon::row_closure(1)."\n";
461: }
462:
463: $output .= &Apache::lonhtmlcommon::row_title($titles{$context},
464: 'LC_pick_box_title')."\n".
465: $unameform."\n".
466: &Apache::lonhtmlcommon::row_closure(1)."\n".
467: &Apache::lonhtmlcommon::row_title(&mt('Password'),
468: 'LC_pick_box_title')."\n".
469: $upassform."\n".'<br /><br />'."\n".
470: '<input type="button" name="username_validation" value="'.
471: $submit_text.'" onclick="javascript:send()" />'."\n".
472: &Apache::lonhtmlcommon::row_closure(1)."\n".
473: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
474: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
475: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
476: '</form>';
477: return $output;
478: }
479:
480: sub process_email_request {
481: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
482: $server,$settings,$courseid) = @_;
483: $useremail = $env{'form.useremail'};
484: my $output;
485: if (ref($cancreate) eq 'ARRAY') {
486: if (!grep(/^email$/,@{$cancreate})) {
487: $output = &invalid_state('noemails',$domdesc,
488: $contact_name,$contact_email);
489: return $output;
490: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
491: $output = &invalid_state('baduseremail',$domdesc,
492: $contact_name,$contact_email);
493: return $output;
494: } else {
495: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
496: if ($uhome ne 'no_host') {
497: $output = &invalid_state('existinguser',$domdesc,
498: $contact_name,$contact_email);
499: return $output;
500: } else {
501: my $code = $env{'form.code'};
502: my $md5sum = $env{'form.crypt'};
503: my %captcha_params = &captcha_settings();
504: my $captcha = Authen::Captcha->new(
505: output_folder => $captcha_params{'output_dir'},
506: data_folder => $captcha_params{'db_dir'},
507: );
508: my $captcha_chk = $captcha->check_code($code,$md5sum);
509: my %captcha_hash = (
510: 0 => 'Code not checked (file error)',
511: -1 => 'Failed: code expired',
512: -2 => 'Failed: invalid code (not in database)',
513: -3 => 'Failed: invalid code (code does not match crypt)',
514: );
515: if ($captcha_chk != 1) {
516: $output = &invalid_state('captcha',$domdesc,$contact_name,
517: $contact_email,$captcha_hash{$captcha_chk});
518: return $output;
519: }
520: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
521: if ($uhome eq 'no_host') {
522: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
523: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
524: \%inst_results,\%curr_rules,%got_rules,'username');
525: if (ref($alerts{'username'}) eq 'HASH') {
526: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
527: if ($alerts{'username'}{$domain}{$useremail}) {
528: $output = &invalid_state('userrules',$domdesc,
529: $contact_name,$contact_email);
530: return $output;
531: }
532: }
533: }
534: my $format_msg =
535: &guest_format_check($useremail,$domain,$cancreate,
536: $settings);
537: if ($format_msg) {
538: $output = &invalid_state('userformat',$domdesc,$contact_name,
539: $contact_email,$format_msg);
540: return $output;
541: }
542: }
543: }
544: }
545: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
546: $contact_email,$courseid);
547: }
548: return $output;
549: }
550:
551: sub call_rulecheck {
552: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
553: $got_rules,$tocheck) = @_;
554: my ($checkhash,$checks);
555: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
556: if ($tocheck eq 'username') {
557: $checks = { 'username' => 1 };
558: }
559: &Apache::loncommon::user_rule_check($checkhash,$checks,
560: $alerts,$rulematch,$inst_results,$curr_rules,
561: $got_rules);
562: return;
563: }
564:
565: sub send_token {
566: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
567: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
568: &mt('Thank you for your request to create a new LON-CAPA account.').
569: '<br /><br />';
570: my $now = time;
571: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
572: 'time' => $now,
573: 'domain' => $domain,
574: 'username' => $email,
575: 'courseid' => $courseid);
576: my $token = &Apache::lonnet::tmpput(\%info,$server);
577: if ($token !~ /^error/ && $token ne 'no_such_host') {
578: my $esc_token = &escape($token);
579: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',localtime(time),$domdesc).' '.
580: &mt('To complete this process please open a web browser and enter the following'
581: .' URL in the address/location box: [_1]'
582: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
583: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
584: $contact_email);
585: if ($result eq 'ok') {
586: $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>');
587: } else {
588: $msg .= '<span class="LC_error">'.
589: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
590: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
591: }
592: } else {
593: $msg .= '<span class="LC_error">'.
594: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
595: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
596: }
597: return $msg;
598: }
599:
600: sub process_mailtoken {
601: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
602: $include,$start_page) = @_;
603: my ($msg,$nostart,$noend);
604: my %data = &Apache::lonnet::tmpget($token);
605: my $now = time;
606: if (keys(%data) == 0) {
607: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
608: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
609: .' '.&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>');
610: return $msg;
611: }
612: if (($data{'time'} =~ /^\d+$/) &&
613: ($data{'domain'} ne '') &&
614: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
615: if ($now - $data{'time'} < 7200) {
616: if ($env{'form.phase'} eq 'createaccount') {
617: my ($result,$output) = &create_account($r,$domain,$lonhost,
618: $data{'username'},$domdesc);
619: if ($result eq 'ok') {
620: $msg = $output;
621: my $shownow = &Apache::lonlocal::locallocaltime($now);
622: my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
623: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
624: $mailmsg,$contact_name,
625: $contact_email);
626: if ($mailresult eq 'ok') {
627: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
628: } else {
629: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
630: }
631: my %form = &start_session($r,$data{'username'},$domain,
632: $lonhost,$data{'courseid'},
633: $token);
634: $nostart = 1;
635: $noend = 1;
636: } else {
637: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
638: .'<br />'.$output
639: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
640: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
641: }
642: my $delete = &Apache::lonnet::tmpdel($token);
643: } else {
644: $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 />';
645: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
646: $nostart = 1;
647: }
648: } else {
649: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
650: .' '.&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>');
651: }
652: } else {
653: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
654: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
655: }
656: return ($msg,$nostart,$noend);
657: }
658:
659: sub start_session {
660: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
661: my %form = (
662: uname => $username,
663: udom => $domain,
664: );
665: my $firsturl = '/adm/roles';
666: if (defined($courseid)) {
667: $courseid = &validate_course($courseid);
668: if ($courseid ne '') {
669: $form{'courseid'} = $courseid;
670: $firsturl = '/adm/selfenroll?courseid='.$courseid;
671: }
672: }
673: if ($r->dir_config('lonBalancer') eq 'yes') {
674: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
675: $lonhost,'noredirect',undef,\%form);
676: if ($token ne '') {
677: my $delete = &Apache::lonnet::tmpdel($token);
678: }
679: $r->internal_redirect('/adm/switchserver');
680: } else {
681: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
682: $lonhost,$firsturl,undef,\%form);
683: }
684: return %form;
685: }
686:
687:
688: sub print_dataentry_form {
689: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
690: my ($error,$output);
691: &print_header($r,$start_page);
692: if (open(my $jsh,"<$include/londes.js")) {
693: while(my $line = <$jsh>) {
694: $r->print($line);
695: }
696: close($jsh);
697: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
698: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
699: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
700: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
701: $lonhost);
702: my @userinfo = ('firstname','middlename','lastname','generation','id',
703: 'permanentemail');
704: my %lt=&Apache::lonlocal::texthash(
705: 'pd' => "Personal Data",
706: 'firstname' => "First Name",
707: 'middlename' => "Middle Name",
708: 'lastname' => "Last Name",
709: 'generation' => "Generation",
710: 'permanentemail' => "Permanent e-mail address",
711: 'id' => "ID/Student Number",
712: 'lg' => "Login Data"
713: );
714: my %textboxsize = (
715: firstname => '15',
716: middlename => '15',
717: lastname => '15',
718: generation => '5',
719: id => '15',
720: );
721: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
722: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
723: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
724: &Apache::lonhtmlcommon::start_pick_box();
725: foreach my $item (@userinfo) {
726: my $rowtitle = $lt{$item};
727: if ($item eq 'generation') {
728: $rowtitle = $genhelp.$rowtitle;
729: }
730: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
731: if ($item eq 'permanentemail') {
732: $output .= $username;
733: } else {
734: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
735: }
736: $output .= &Apache::lonhtmlcommon::row_closure(1);
737: }
738: $output .= &Apache::lonhtmlcommon::end_pick_box();
739: $output .= <<"ENDSERVERFORM";
740: <input type="hidden" name="logtoken" value="$logtoken" />
741: <input type="hidden" name="token" value="$mailtoken" />
742: <input type="hidden" name="serverid" value="$lonhost" />
743: <input type="hidden" name="uname" value="" />
744: <input type="hidden" name="upass" value="" />
745: <input type="hidden" name="phase" value="createaccount" />
746: </form></div>
747: ENDSERVERFORM
748: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
749: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
750: my $submit_text = &mt('Create LON-CAPA account');
751: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
752: '<form name="client" method="post" />'."\n".
753: &Apache::lonhtmlcommon::start_pick_box()."\n".
754: &Apache::lonhtmlcommon::row_title(&mt('Username'),
755: 'LC_pick_box_title')."\n".
756: $username."\n".
757: &Apache::lonhtmlcommon::row_closure(1)."\n".
758: &Apache::lonhtmlcommon::row_title(&mt('Password'),
759: 'LC_pick_box_title')."\n".
760: $upassone."\n".
761: &Apache::lonhtmlcommon::row_closure(1)."\n".
762: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
763: 'LC_pick_box_title')."\n".
764: $upasstwo."\n".
765: &Apache::lonhtmlcommon::row_closure(1)."\n".
766: &Apache::lonhtmlcommon::end_pick_box()."\n".
767: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
768: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
769: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
770: '</form></div>'."\n".
771: '<div class="LC_clear_float_footer"><br /><br />'."\n".
772: '<form name="buttonform">'."\n".
773: '<input type="button" name="createaccount" value="'.
774: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
775: } else {
776: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
777: }
778: return $output;
779: }
780:
781: sub create_account {
782: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
783: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
784: $env{'form.serverid'});
785: # Error messages
786: my $error = '<span class="LC_error">'.&mt('Error:').' ';
787: my $end = '</span><br /><br />';
788: my $rtnlink = '<a href="javascript:history.back();" />'.
789: &mt('Return to previous page').'</a>'.
790: &Apache::loncommon::end_page();
791: if ($retrieved eq 'ok') {
792: if ($env{'form.courseid'} ne '') {
793: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
794: if ($result eq 'fail') {
795: $output = $error.&mt('Invalid ID format').$end.
796: $userchkmsg.$rtnlink;
797: return ('fail',$output);
798: }
799: }
800: } else {
801: return ('fail',$error.$output.$end.$rtnlink);
802: }
803: # Call modifyuser
804: my $result =
805: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
806: 'internal',$upass,$env{'form.cfirstname'},
807: $env{'form.cmiddlename'},$env{'form.clastname'},
808: $env{'form.cgeneration'},undef,undef,$username);
809: $output = &mt('Generating user: [_1]',$result);
810: my $uhome = &Apache::lonnet::homeserver($username,$domain);
811: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
812: &Apache::lonnet::hostname($uhome).'<br /><br />';
813: return ('ok',$output);
814: }
815:
816: sub username_validation {
817: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
818: $lonhost) = @_;
819: my ($retrieved,$output,$upass);
820:
821: $username= &LONCAPA::clean_username($username);
822: $domain = &LONCAPA::clean_domain($domain);
823: my $uhome = &Apache::lonnet::homeserver($username,$domain);
824:
825: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
826: $env{'form.serverid'});
827: if ($retrieved ne 'ok') {
828: return ('fail',$output);
829: }
830: if ($uhome ne 'no_host') {
831: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
832: if ($result ne 'no_host') {
833: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
834: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
835: return ('existingaccount',$output);
836: } else {
837: $output = &login_failure_msg($courseid);
838: }
839: } else {
840: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
841: my $authok;
842: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
843: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
844: my $checkdefauth = 1;
845: $authok =
846: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
847: } else {
848: $authok = 'non_authorized';
849: }
850: if ($authok eq 'authorized') {
851: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
852: $contact_email,$contact_name);
853: } else {
854: $output = &login_failure_msg($courseid);
855: }
856: }
857: return ('ok',$output);
858: }
859:
860: sub login_failure_msg {
861: my ($courseid) = @_;
862: my $url;
863: if ($courseid ne '') {
864: $url = "/adm/selfenroll?courseid=".$courseid;
865: } else {
866: $url = "/adm/createaccount";
867: }
868: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
869: &mt('Username and/or password could not be authenticated.').
870: '</div>'.
871: &mt('Please check the username and password.').'<br /><br />';
872: '<a href="'.$url.'">'.&mt('Try again').'</a>';
873: return $output;
874: }
875:
876: sub username_check {
877: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
878: $sso_logout) = @_;
879: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
880: %alerts,%curr_rules,%got_rules);
881: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
882: \%inst_results,\%curr_rules,%got_rules,'username');
883: if (ref($alerts{'username'}) eq 'HASH') {
884: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
885: if ($alerts{'username'}{$domain}{$username}) {
886: if (ref($curr_rules{$domain}) eq 'HASH') {
887: $output =
888: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
889: 'selfcreate').
890: &Apache::loncommon::user_rule_formats($domain,$domdesc,
891: $curr_rules{$domain}{'username'},'username');
892: }
893: $checkfail = 'username';
894: }
895: }
896: }
897: if (!$checkfail) {
898: $output = '<form method="post" action="/adm/createaccount">';
899: (my $datatable,$rowcount,$editable) =
900: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
901: $inst_results{$username.':'.$domain});
902: if ($rowcount > 0) {
903: $output .= $datatable;
904: }
905: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
906: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
907: '<input type="hidden" name="phase" value="username_activation" />';
908: my $now = time;
909: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
910: 'time' => $now,
911: 'domain' => $domain,
912: 'username' => $username);
913: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
914: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
915: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
916: } else {
917: $output = &mt('An error occurred when storing a token').'<br />'.
918: &mt('You will not be able to proceed to the next stage of account creation').
919: &linkto_email_help($contact_email,$domdesc);
920: $checkfail = 'authtoken';
921: }
922: }
923: if ($checkfail) {
924: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
925: if ($checkfail eq 'username') {
926: $msg .= '<span class="LC_warning">'.
927: &mt('A LON-CAPA account may not be created with the username you use.').
928: '</span><br /><br />'.$output;
929: } elsif ($checkfail eq 'authtoken') {
930: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
931: '<br />'.$output;
932: }
933: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
934: $contact_name,$contact_email).'<br /><hr />'.
935: $sso_logout;
936: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
937: } else {
938: if ($courseid ne '') {
939: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
940: }
941: $output .= '<input type="submit" name="newaccount" value="'.
942: &mt('Create LON-CAPA account').'" /></form>';
943: if ($rowcount) {
944: if ($editable) {
945: if ($courseid ne '') {
946: $msg = '<h4>'.&mt('User information').'</h4>';
947: }
948: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
949: } else {
950: if ($courseid ne '') {
951: $msg = '<h4>'.&mt('Review user information').'</h4>';
952: }
953: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
954: }
955: } else {
956: if ($courseid ne '') {
957: $msg = '<h4>'.&mt('Confirmation').'</h4>';
958: }
959: $msg .= &mt('Confirm that you wish to create an account.');
960: }
961: $msg .= $output;
962: }
963: return $msg;
964: }
965:
966: sub username_activation {
967: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
968: my $output;
969: my $error = '<span class="LC_error">'.&mt('Error:').' ';
970: my $end = '</span><br /><br />';
971: my $rtnlink = '<a href="javascript:history.back();" />'.
972: &mt('Return to previous page').'</a>'.
973: &Apache::loncommon::end_page();
974: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
975: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
976: my $now = time;
977: my $earlyout;
978: my $timeout = 300;
979: if (keys(%data) == 0) {
980: $output = &mt('Sorry, your authentication has expired.');
981: $earlyout = 'fail';
982: }
983: if (($data{'time'} !~ /^\d+$/) ||
984: ($data{'domain'} ne $domain) ||
985: ($data{'username'} ne $username)) {
986: $earlyout = 'fail';
987: $output = &mt('The credentials you provided could not be verified.');
988: } elsif ($now - $data{'time'} > $timeout) {
989: $earlyout = 'fail';
990: $output = &mt('Sorry, your authentication has expired.');
991: }
992: if ($earlyout ne '') {
993: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
994: return($earlyout,$output);
995: }
996: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
997: ($domdefaults{'auth_arg_def'} ne '')) ||
998: ($domdefaults{'auth_def'} eq 'localauth')) {
999: if ($env{'form.courseid'} ne '') {
1000: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1001: if ($result eq 'fail') {
1002: $output = $error.&mt('Invalid ID format').$end.
1003: $userchkmsg.$rtnlink;
1004: return ('fail',$output);
1005: }
1006: }
1007: # Call modifyuser
1008: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1009: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1010: \%inst_results,\%curr_rules,%got_rules);
1011: my @userinfo = ('firstname','middlename','lastname','generation',
1012: 'permanentemail','id');
1013: my %canmodify =
1014: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1015: \@userinfo,\%inst_results);
1016: foreach my $item (@userinfo) {
1017: if ($canmodify{$item}) {
1018: $info{$item} = $env{'form.c'.$item};
1019: } else {
1020: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1021: }
1022: }
1023: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1024: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1025: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1026: }
1027: my $result =
1028: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1029: $domdefaults{'auth_def'},
1030: $domdefaults{'auth_arg_def'},$info{'firstname'},
1031: $info{'middlename'},$info{'lastname'},
1032: $info{'generation'},undef,undef,
1033: $info{'permanentemail'},$info{'inststatus'});
1034: if ($result eq 'ok') {
1035: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1036: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1037: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1038: my $nostart = 1;
1039: return ('ok',$output,$nostart);
1040: } else {
1041: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1042: return ('fail',$output);
1043: }
1044: } else {
1045: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1046: return('fail',$output);
1047: }
1048: }
1049:
1050: sub check_id {
1051: my ($username,$domain,$domdesc) = @_;
1052: # Check ID format
1053: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1054: my %checks = ('id' => 1);
1055: %{$checkhash{$username.':'.$domain}} = (
1056: 'newuser' => 1,
1057: 'id' => $env{'form.cid'},
1058: );
1059: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1060: \%rulematch,\%inst_results,\%curr_rules);
1061: if (ref($alerts{'id'}) eq 'HASH') {
1062: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1063: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1064: my $userchkmsg;
1065: if (ref($curr_rules{$domain}) eq 'HASH') {
1066: $userchkmsg =
1067: &Apache::loncommon::instrule_disallow_msg('id',
1068: $domdesc,1).
1069: &Apache::loncommon::user_rule_formats($domain,
1070: $domdesc,$curr_rules{$domain}{'id'},'id');
1071: }
1072: return ('fail',$userchkmsg);
1073: }
1074: }
1075: }
1076: return;
1077: }
1078:
1079: sub invalid_state {
1080: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1081: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1082: if ($error eq 'baduseremail') {
1083: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1084: } elsif ($error eq 'existinguser') {
1085: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1086: } elsif ($error eq 'userrules') {
1087: $msg = &mt('Username rules for this LON-CAPA at this institution do not allow the e-mail address you provided to be used as a username.');
1088: } elsif ($error eq 'userformat') {
1089: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1090: } elsif ($error eq 'captcha') {
1091: $msg = &mt('Validation of the code your entered failed.');
1092: } elsif ($error eq 'noemails') {
1093: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1094: }
1095: $msg .= '</span>';
1096: if ($msgtext) {
1097: $msg .= '<br />'.$msgtext;
1098: }
1099: $msg .= &linkto_email_help($contact_email,$domdesc);
1100: return $msg;
1101: }
1102:
1103: sub linkto_email_help {
1104: my ($contact_email,$domdesc) = @_;
1105: my $msg;
1106: if ($contact_email ne '') {
1107: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1108: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1109: } else {
1110: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1111: }
1112: return $msg;
1113: }
1114:
1115: sub create_captcha {
1116: my ($output_dir,$db_dir) = @_;
1117: my %captcha_params = &captcha_settings();
1118: my $captcha = Authen::Captcha->new(
1119: output_folder => $captcha_params{'output_dir'},
1120: data_folder => $captcha_params{'db_dir'},
1121: );
1122: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1123: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1124: &mt('Type in the letters/numbers shown below').' '.
1125: '<input type="text" size="5" name="code" value="" /><br />'.
1126: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
1127: return $output;
1128: }
1129:
1130: sub captcha_settings {
1131: my %captcha_params = (
1132: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1133: www_output_dir => "/captchaspool",
1134: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1135: numchars => '5',
1136: );
1137: return %captcha_params;
1138: }
1139:
1140: sub getkeys {
1141: my ($lkey,$ukey) = @_;
1142: my $lextkey=hex($lkey);
1143: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1144:
1145: my $uextkey=hex($ukey);
1146: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1147: return ($lextkey,$uextkey);
1148: }
1149:
1150: sub serverform {
1151: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1152: my $phase = 'username_validation';
1153: my $catalog_elements;
1154: if ($context eq 'selfenroll') {
1155: $phase = 'selfenroll_login';
1156: }
1157: if ($courseid ne '') {
1158: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1159: }
1160: my $output = <<ENDSERVERFORM;
1161: <form name="server" method="post" action="/adm/createaccount">
1162: <input type="hidden" name="logtoken" value="$logtoken" />
1163: <input type="hidden" name="token" value="$mailtoken" />
1164: <input type="hidden" name="serverid" value="$lonhost" />
1165: <input type="hidden" name="uname" value="" />
1166: <input type="hidden" name="upass" value="" />
1167: <input type="hidden" name="phase" value="$phase" />
1168: <input type="hidden" name="courseid" value="$courseid" />
1169: $catalog_elements
1170: </form>
1171: ENDSERVERFORM
1172: return $output;
1173: }
1174:
1175: sub process_credentials {
1176: my ($logtoken,$lonhost) = @_;
1177: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1178: my ($retrieved,$output,$upass);
1179: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1180: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1181: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1182: return ($retrieved,$output,$upass);
1183: } else {
1184: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1185: if ($reply eq 'ok') {
1186: $retrieved = 'ok';
1187: } else {
1188: $output = &mt('Session could not be opened.');
1189: }
1190: }
1191: my ($key,$caller)=split(/&/,$tmpinfo);
1192: if ($caller eq 'createaccount') {
1193: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1194: } else {
1195: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1196: }
1197: return ($retrieved,$output,$upass);
1198: }
1199:
1200: sub guest_format_check {
1201: my ($useremail,$domain,$cancreate,$settings) = @_;
1202: my ($login,$format_match,$format_msg,@user_rules);
1203: if (ref($settings) eq 'HASH') {
1204: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1205: push(@user_rules,@{$settings->{'email_rule'}});
1206: }
1207: }
1208: if (@user_rules > 0) {
1209: my %rule_check =
1210: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1211: 'selfcreate',\@user_rules);
1212: if (keys(%rule_check) > 0) {
1213: foreach my $item (keys(%rule_check)) {
1214: if ($rule_check{$item}) {
1215: $format_match = 1;
1216: last;
1217: }
1218: }
1219: }
1220: }
1221: if ($format_match) {
1222: ($login) = ($useremail =~ /^([^\@]+)\@/);
1223: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1224: if (ref($cancreate) eq 'ARRAY') {
1225: if (grep(/^login$/,@{$cancreate})) {
1226: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1227: }
1228: }
1229: }
1230: return $format_msg;
1231: }
1232:
1233: sub sso_logout_frag {
1234: my ($r,$domain) = @_;
1235: my $endsessionmsg;
1236: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1237: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1238: if (-e $msgfile) {
1239: open(my $fh,"<$msgfile");
1240: $endsessionmsg = join('',<$fh>);
1241: close($fh);
1242: }
1243: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1244: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1245: if (-e $msgfile) {
1246: open(my $fh,"<$msgfile");
1247: $endsessionmsg = join('',<$fh>);
1248: close($fh);
1249: }
1250: }
1251: return $endsessionmsg;
1252: }
1253:
1254: sub catreturn_js {
1255: return <<"ENDSCRIPT";
1256: <script type="text/javascript">
1257:
1258: function ToSelfenroll(formname) {
1259: var formidx = getFormByName(formname);
1260: if (formidx > -1) {
1261: document.forms[formidx].action = '/adm/selfenroll';
1262: numidx = getIndexByName(formidx,'phase');
1263: if (numidx > -1) {
1264: document.forms[formidx].elements[numidx].value = '';
1265: }
1266: numidx = getIndexByName(formidx,'context');
1267: if (numidx > -1) {
1268: document.forms[formidx].elements[numidx].value = '';
1269: }
1270: }
1271: document.forms[formidx].submit();
1272: }
1273:
1274: function ToCatalog(formname,caller) {
1275: var formidx = getFormByName(formname);
1276: if (formidx > -1) {
1277: document.forms[formidx].action = '/adm/coursecatalog';
1278: numidx = getIndexByName(formidx,'coursenum');
1279: if (numidx > -1) {
1280: if (caller != 'details') {
1281: document.forms[formidx].elements[numidx].value = '';
1282: }
1283: }
1284: }
1285: document.forms[formidx].submit();
1286: }
1287:
1288: function getIndexByName(formidx,item) {
1289: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1290: if (document.forms[formidx].elements[i].name == item) {
1291: return i;
1292: }
1293: }
1294: return -1;
1295: }
1296:
1297: function getFormByName(item) {
1298: for (var i=0; i<document.forms.length; i++) {
1299: if (document.forms[i].name == item) {
1300: return i;
1301: }
1302: }
1303: return -1;
1304: }
1305:
1306: </script>
1307: ENDSCRIPT
1308:
1309: }
1310:
1311: 1;
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