Annotation of loncom/interface/createaccount.pm, revision 1.18
1.1 raeburn 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: #
1.18 ! raeburn 6: # $Id: createaccount.pm,v 1.17 2008/07/12 14:08:58 raeburn Exp $
1.1 raeburn 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;
1.12 raeburn 38: use Apache::lonhtmlcommon;
1.1 raeburn 39: use Apache::lonlocal;
1.3 raeburn 40: use Apache::lonauth;
1.1 raeburn 41: use Apache::resetpw;
42: use Authen::Captcha;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
1.3 raeburn 45: use LONCAPA qw(:DEFAULT :match);
1.8 raeburn 46: use HTML::Entities;
1.1 raeburn 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: }
1.5 raeburn 55:
56: my $domain;
1.3 raeburn 57:
1.5 raeburn 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: }
1.1 raeburn 66: my $domdesc = &Apache::lonnet::domain($domain,'description');
67: my $contact_name = &mt('LON-CAPA helpdesk');
1.15 raeburn 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);
1.1 raeburn 73: my $lonhost = $r->dir_config('lonHostID');
74: my $include = $r->dir_config('lonIncludes');
1.4 raeburn 75: my $start_page;
1.3 raeburn 76:
77: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
1.1 raeburn 78: &Apache::lonacc::get_posted_cgi($r);
79: &Apache::lonlocal::get_language_handle($r);
1.3 raeburn 80:
81: my $handle = &Apache::lonnet::check_for_valid_session($r);
82: if ($handle ne '') {
1.4 raeburn 83: $start_page =
1.3 raeburn 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>').
1.6 bisitz 89: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
1.3 raeburn 90: return OK;
91: }
1.4 raeburn 92: $start_page =
93: &Apache::loncommon::start_page('Create a user account in LON-CAPA','',
94: {'no_inline_link' => 1,});
95: if ($env{'form.phase'} eq 'username_activation') {
96: if ($env{'form.udom'} ne '') {
97: $domain = $env{'form.udom'};
98: }
99: }
1.5 raeburn 100: my @cancreate;
1.1 raeburn 101: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
102: if (ref($domconfig{'usercreation'}) eq 'HASH') {
1.3 raeburn 103: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
1.5 raeburn 104: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
105: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
106: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
107: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
108: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
1.1 raeburn 109: }
110: }
111: }
1.3 raeburn 112:
1.5 raeburn 113: if (@cancreate == 0) {
1.3 raeburn 114: &print_header($r,$start_page);
1.14 raeburn 115: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
116: '<span class="LC_warning">'.
1.16 raeburn 117: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
1.3 raeburn 118: $r->print($output);
119: $r->print(&Apache::loncommon::end_page());
120: return OK;
121: }
122:
1.5 raeburn 123: my $courseid;
124: if (defined($env{'form.courseid'})) {
125: $courseid = &validate_course($env{'form.courseid'});
126: }
127:
128: if ($sso_username ne '') {
129: &print_header($r,$start_page);
1.18 ! raeburn 130: my ($msg,$sso_logout);
! 131: $sso_logout = &sso_logout_frag($r,$domain);
1.5 raeburn 132: if (grep(/^sso$/,@cancreate)) {
1.14 raeburn 133: $msg = '<h3>'.&mt('Account creation').'</h3>'.
1.17 raeburn 134: &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 />';
135:
1.18 ! raeburn 136: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
! 137: $lonhost,$contact_email,$contact_name,$sso_logout);
1.5 raeburn 138: } else {
1.17 raeburn 139: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
140: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
1.18 ! raeburn 141: $sso_logout;
1.5 raeburn 142: }
1.17 raeburn 143: $r->print($msg);
1.5 raeburn 144: $r->print(&Apache::loncommon::end_page());
145: return OK;
146: }
147:
1.4 raeburn 148: my ($output,$nostart,$noend);
1.3 raeburn 149: my $token = $env{'form.token'};
150: if ($token) {
151: ($output,$nostart,$noend) =
152: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
1.4 raeburn 153: $domdesc,$lonhost,$include,$start_page);
1.3 raeburn 154: if ($nostart) {
155: if ($noend) {
156: return OK;
157: } else {
158: $r->print($output);
159: $r->print(&Apache::loncommon::end_page());
160: return OK;
161: }
162: } else {
163: &print_header($r,$start_page);
164: $r->print($output);
165: $r->print(&Apache::loncommon::end_page());
166: return OK;
167: }
168: }
169:
170: if ($env{'form.phase'} eq 'username_activation') {
171: (my $result,$output,$nostart) =
172: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
173: $lonhost,$courseid);
174: if ($result eq 'ok') {
175: if ($nostart) {
176: return OK;
177: }
178: }
179: &print_header($r,$start_page);
180: $r->print($output);
181: $r->print(&Apache::loncommon::end_page());
182: return OK;
183: }
184:
185: &print_header($r,$start_page);
186: if ($env{'form.create_with_email'}) {
1.1 raeburn 187: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
1.5 raeburn 188: $contact_name,$contact_email,\@cancreate,
1.3 raeburn 189: $lonhost,$domconfig{'usercreation'},
190: $courseid);
1.1 raeburn 191: } elsif ($env{'form.phase'} eq 'username_validation') {
192: $output = &username_validation($env{'form.uname'},$domain,$domdesc,
1.8 raeburn 193: $contact_name,$contact_email,$courseid,
194: $lonhost);
1.3 raeburn 195: } elsif (!$token) {
1.1 raeburn 196: my $now=time;
1.5 raeburn 197: if (grep(/^login$/,@cancreate)) {
1.1 raeburn 198: my $jsh=Apache::File->new($include."/londes.js");
199: $r->print(<$jsh>);
200: $r->print(&javascript_setforms($now));
201: }
1.12 raeburn 202: if (grep(/^email$/,@cancreate)) {
203: $r->print(&javascript_validmail());
204: }
1.5 raeburn 205: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
1.3 raeburn 206: $courseid);
1.1 raeburn 207: }
208: $r->print($output);
209: $r->print(&Apache::loncommon::end_page());
210: return OK;
211: }
212:
1.3 raeburn 213: sub print_header {
214: my ($r,$start_page) = @_;
215: $r->print($start_page);
216: &Apache::lonhtmlcommon::clear_breadcrumbs();
217: &Apache::lonhtmlcommon::add_breadcrumb
218: ({href=>"/adm/createuser",
219: text=>"New username"});
220: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
221: return;
222: }
223:
224: sub validate_course {
225: my ($courseid) = @_;
226: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
227: if (($cdom ne '') && ($cnum ne '')) {
228: if (&Apache::lonnet::is_course($cdom,$cnum)) {
229: return ($courseid);
230: }
231: }
232: return;
233: }
234:
1.1 raeburn 235: sub javascript_setforms {
236: my ($now) = @_;
237: my $js = <<ENDSCRIPT;
238: <script language="JavaScript">
239: function send() {
240: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
241: uextkey=this.document.client.elements.uextkey.value;
242: lextkey=this.document.client.elements.lextkey.value;
243: initkeys();
244:
245: this.document.server.elements.upass.value
246: = crypted(this.document.client.elements.upass$now.value);
247:
248: this.document.client.elements.uname.value='';
249: this.document.client.elements.upass$now.value='';
250:
251: this.document.server.submit();
252: return false;
253: }
254: </script>
255: ENDSCRIPT
256: return $js;
257: }
258:
259: sub javascript_checkpass {
260: my ($now) = @_;
1.7 bisitz 261: my $nopass = &mt('You must enter a password.');
1.1 raeburn 262: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
263: &mt('Please try again.');
264: my $js = <<"ENDSCRIPT";
265: <script type="text/javascript" language="JavaScript">
266: function checkpass() {
267: var upass = this.document.client.elements.upass$now.value;
268: var upasscheck = this.document.client.elements.upasscheck$now.value;
269: if (upass == '') {
270: alert("$nopass");
271: return;
272: }
273: if (upass == upasscheck) {
274: this.document.client.elements.upasscheck$now.value='';
275: send();
276: return;
277: } else {
278: alert("$mismatchpass");
279: return;
280: }
281: }
282: </script>
283: ENDSCRIPT
284: return $js;
285: }
286:
1.12 raeburn 287: sub javascript_validmail {
288: my %lt = &Apache::lonlocal::texthash (
289: email => 'The e-mail address you entered',
290: notv => 'is not a valid e-mail address',
291: );
292: my $output = "\n".'<script type="text/javascript">'."\n".
293: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
294: $output .= <<"ENDSCRIPT";
295: function validate_email() {
296: field = document.createaccount.useremail;
297: if (validmail(field) == false) {
298: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
299: return false;
300: }
301: return true;
302: }
303: ENDSCRIPT
304: $output .= "\n".'</script>'."\n";
305: return $output;
306: }
307:
1.1 raeburn 308: sub print_username_form {
1.3 raeburn 309: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
1.1 raeburn 310: my %lt = &Apache::lonlocal::texthash(
311: unam => 'username',
312: udom => 'domain',
313: uemail => 'Email address in LON-CAPA',
314: proc => 'Proceed');
315: my $output;
1.5 raeburn 316: if (ref($cancreate) eq 'ARRAY') {
317: if (grep(/^login$/,@{$cancreate})) {
318: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
319: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
1.16 raeburn 320: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
321: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
1.5 raeburn 322: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
323: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
324: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
325: $lonhost);
326: $output .= &serverform($logtoken,$lonhost,undef,$courseid);
327: my $unameform = '<input type="text" name="uname" size="10" value="" />';
328: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
329: my $submit_text = &mt('Create LON-CAPA account');
330: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
331: &Apache::lonhtmlcommon::start_pick_box()."\n".
332: &Apache::lonhtmlcommon::row_title(&mt('Log-in ID'),
1.1 raeburn 333: 'LC_pick_box_title')."\n".
1.5 raeburn 334: $unameform."\n".
335: &Apache::lonhtmlcommon::row_closure(1)."\n".
336: &Apache::lonhtmlcommon::row_title(&mt('Password'),
1.1 raeburn 337: 'LC_pick_box_title')."\n".
1.5 raeburn 338: $upassform."\n".'<br /><br />'."\n".
339: '<input type="button" name="username_validation" value="'.
340: $submit_text.'" onclick="javascript:send()" />'."\n".
341: &Apache::lonhtmlcommon::row_closure(1)."\n".
342: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
343: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
344: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
345: '</form></div>';
346: }
347: }
348: if (grep(/^email$/,@{$cancreate})) {
349: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
350: if (grep(/^login$/,@{$cancreate})) {
1.9 raeburn 351: $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 />';
1.5 raeburn 352: } else {
353: $output .= '<br />';
354: }
355: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
356: my $captchaform = &create_captcha();
357: my $submit_text = &mt('Request LON-CAPA account');
1.12 raeburn 358: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
1.5 raeburn 359: &Apache::lonhtmlcommon::start_pick_box()."\n".
360: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
361: 'LC_pick_box_title')."\n".
362: $emailform."\n".
363: &Apache::lonhtmlcommon::row_closure(1).
364: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
365: 'LC_pick_box_title')."\n".
366: $captchaform."\n".'<br /><br />';
367: if ($courseid ne '') {
368: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
369: }
370: $output .= '<input type="submit" name="create_with_email" value="'.
371: $submit_text.'" />'.
372: &Apache::lonhtmlcommon::row_closure(1).
373: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
374: '</div>';
1.3 raeburn 375: }
1.1 raeburn 376: }
377: if ($output eq '') {
1.16 raeburn 378: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
1.1 raeburn 379: } else {
380: $output .= '<div class="LC_clear_float_footer"></div>';
381: }
382: return $output;
383: }
384:
385: sub process_email_request {
386: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
1.3 raeburn 387: $server,$settings,$courseid) = @_;
1.1 raeburn 388: my $useremail = $env{'form.useremail'};
389: my $output;
1.5 raeburn 390: if (ref($cancreate) eq 'ARRAY') {
391: if (!grep(/^email$/,@{$cancreate})) {
392: $output = &invalid_state('noemails',$domdesc,
393: $contact_name,$contact_email);
394: return $output;
395: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
396: $output = &invalid_state('baduseremail',$domdesc,
1.1 raeburn 397: $contact_name,$contact_email);
398: return $output;
399: } else {
1.5 raeburn 400: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
401: if ($uhome ne 'no_host') {
402: $output = &invalid_state('existinguser',$domdesc,
403: $contact_name,$contact_email);
1.1 raeburn 404: return $output;
1.5 raeburn 405: } else {
406: my $code = $env{'form.code'};
407: my $md5sum = $env{'form.crypt'};
408: my %captcha_params = &captcha_settings();
409: my $captcha = Authen::Captcha->new(
410: output_folder => $captcha_params{'output_dir'},
411: data_folder => $captcha_params{'db_dir'},
412: );
413: my $captcha_chk = $captcha->check_code($code,$md5sum);
414: my %captcha_hash = (
415: 0 => 'Code not checked (file error)',
416: -1 => 'Failed: code expired',
417: -2 => 'Failed: invalid code (not in database)',
418: -3 => 'Failed: invalid code (code does not match crypt)',
419: );
420: if ($captcha_chk != 1) {
421: $output = &invalid_state('captcha',$domdesc,$contact_name,
422: $contact_email,$captcha_hash{$captcha_chk});
423: return $output;
424: }
425: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
426: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
427: if ($uhome eq 'no_host') {
428: my $checkhash;
429: my $checks = { 'username' => 1 };
430: $checkhash->{$useremail.':'.$domain} = { 'newuser' => 1, };
431: &Apache::loncommon::user_rule_check($checkhash,$checks,
432: \%alerts,\%rulematch,\%inst_results,\%curr_rules,
433: \%got_rules);
434: if (ref($alerts{'useremail'}) eq 'HASH') {
435: if (ref($alerts{'useremail'}{$domain}) eq 'HASH') {
436: if ($alerts{'username'}{$domain}{$useremail}) {
437: $output = &invalid_state('userrules',$domdesc,
438: $contact_name,$contact_email);
439: return $output;
440: }
1.1 raeburn 441: }
442: }
1.5 raeburn 443: my $format_msg =
444: &guest_format_check($useremail,$domain,$cancreate,
445: $settings);
446: if ($format_msg) {
447: $output = &invalid_state('userformat',$domdesc,$contact_name,
448: $contact_email,$format_msg);
449: return $output;
450: }
1.1 raeburn 451: }
452: }
453: }
1.5 raeburn 454: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
455: $contact_email,$courseid);
1.1 raeburn 456: }
457: return $output;
458: }
459:
460: sub send_token {
1.3 raeburn 461: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.14 raeburn 462: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
463: &mt('Thank you for your request to create a new LON-CAPA account.').
464: '<br /><br />';
1.1 raeburn 465: my $now = time;
466: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
467: 'time' => $now,
468: 'domain' => $domain,
1.3 raeburn 469: 'username' => $email,
470: 'courseid' => $courseid);
1.1 raeburn 471: my $token = &Apache::lonnet::tmpput(\%info,$server);
472: if ($token !~ /^error/ && $token ne 'no_such_host') {
473: my $esc_token = &escape($token);
1.16 raeburn 474: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',localtime(time),$domdesc).' '.
1.7 bisitz 475: &mt('To complete this process please open a web browser and enter the following'
476: .' URL in the address/location box: [_1]'
1.9 raeburn 477: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
1.1 raeburn 478: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
479: $contact_email);
480: if ($result eq 'ok') {
481: $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>');
482: } else {
1.14 raeburn 483: $msg .= '<span class="LC_error">'.
484: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
485: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 486: }
487: } else {
1.14 raeburn 488: $msg .= '<span class="LC_error">'.
489: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
490: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 491: }
492: return $msg;
493: }
494:
495: sub process_mailtoken {
1.3 raeburn 496: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
497: $include,$start_page) = @_;
498: my ($msg,$nostart,$noend);
1.1 raeburn 499: my %data = &Apache::lonnet::tmpget($token);
500: my $now = time;
501: if (keys(%data) == 0) {
1.9 raeburn 502: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
503: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
504: .' '.&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>');
1.1 raeburn 505: return $msg;
506: }
507: if (($data{'time'} =~ /^\d+$/) &&
508: ($data{'domain'} ne '') &&
509: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
510: if ($now - $data{'time'} < 7200) {
511: if ($env{'form.phase'} eq 'createaccount') {
1.3 raeburn 512: my ($result,$output) = &create_account($r,$domain,$lonhost,
1.1 raeburn 513: $data{'username'},$domdesc);
514: if ($result eq 'ok') {
515: $msg = $output;
1.17 raeburn 516: my $shownow = &Apache::lonlocal::locallocaltime($now);
1.16 raeburn 517: 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";
1.1 raeburn 518: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
519: $mailmsg,$contact_name,
520: $contact_email);
521: if ($mailresult eq 'ok') {
522: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
523: } else {
524: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
525: }
1.3 raeburn 526: my %form = &start_session($r,$data{'username'},$domain,
527: $lonhost,$data{'courseid'},
528: $token);
529: $nostart = 1;
530: $noend = 1;
1.1 raeburn 531: } else {
1.7 bisitz 532: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
533: .'<br />'.$output
534: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
535: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 536: }
1.3 raeburn 537: my $delete = &Apache::lonnet::tmpdel($token);
1.1 raeburn 538: } else {
1.3 raeburn 539: $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 />';
540: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
541: $nostart = 1;
1.1 raeburn 542: }
543: } else {
1.7 bisitz 544: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
545: .' '.&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>');
1.4 raeburn 546: }
1.1 raeburn 547: } else {
1.7 bisitz 548: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
549: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
1.1 raeburn 550: }
1.3 raeburn 551: return ($msg,$nostart,$noend);
552: }
553:
554: sub start_session {
555: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
556: my %form = (
557: uname => $username,
558: udom => $domain,
559: );
560: my $firsturl = '/adm/roles';
561: if (defined($courseid)) {
562: $courseid = &validate_course($courseid);
563: if ($courseid ne '') {
564: $form{'courseid'} = $courseid;
565: $firsturl = '/adm/selfenroll?cid='.$courseid;
566: }
567: }
568: if ($r->dir_config('lonBalancer') eq 'yes') {
569: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
570: $lonhost,'noredirect',undef,\%form);
571: my $delete = &Apache::lonnet::tmpdel($token);
572: $r->internal_redirect('/adm/switchserver');
573: } else {
574: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
575: $lonhost,$firsturl,undef,\%form);
576: }
577: return %form;
1.1 raeburn 578: }
579:
1.3 raeburn 580:
1.1 raeburn 581: sub print_dataentry_form {
1.3 raeburn 582: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
1.1 raeburn 583: my ($error,$output);
1.3 raeburn 584: &print_header($r,$start_page);
1.1 raeburn 585: if (open(my $jsh,"<$include/londes.js")) {
586: while(my $line = <$jsh>) {
587: $r->print($line);
588: }
589: close($jsh);
1.3 raeburn 590: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
1.1 raeburn 591: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
592: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
593: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
594: $lonhost);
595: my @userinfo = ('firstname','middlename','lastname','generation','id',
596: 'permanentemail');
597: my %lt=&Apache::lonlocal::texthash(
598: 'pd' => "Personal Data",
599: 'firstname' => "First Name",
600: 'middlename' => "Middle Name",
601: 'lastname' => "Last Name",
602: 'generation' => "Generation",
603: 'permanentemail' => "Permanent e-mail address",
604: 'id' => "ID/Student Number",
605: 'lg' => "Login Data"
606: );
607: my %textboxsize = (
608: firstname => '15',
609: middlename => '15',
610: lastname => '15',
611: generation => '5',
612: id => '15',
613: );
614: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
1.3 raeburn 615: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
616: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
1.1 raeburn 617: &Apache::lonhtmlcommon::start_pick_box();
618: foreach my $item (@userinfo) {
619: my $rowtitle = $lt{$item};
620: if ($item eq 'generation') {
621: $rowtitle = $genhelp.$rowtitle;
622: }
623: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
624: if ($item eq 'permanentemail') {
625: $output .= $username;
626: } else {
627: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
628: }
629: $output .= &Apache::lonhtmlcommon::row_closure(1);
630: }
631: $output .= &Apache::lonhtmlcommon::end_pick_box();
632: $output .= <<"ENDSERVERFORM";
633: <input type="hidden" name="logtoken" value="$logtoken" />
634: <input type="hidden" name="token" value="$mailtoken" />
635: <input type="hidden" name="serverid" value="$lonhost" />
636: <input type="hidden" name="uname" value="" />
637: <input type="hidden" name="upass" value="" />
638: <input type="hidden" name="phase" value="createaccount" />
639: </form></div>
640: ENDSERVERFORM
641: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
642: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
643: my $submit_text = &mt('Create LON-CAPA account');
644: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
645: '<form name="client" method="post" />'."\n".
646: &Apache::lonhtmlcommon::start_pick_box()."\n".
647: &Apache::lonhtmlcommon::row_title(&mt('Username'),
648: 'LC_pick_box_title')."\n".
649: $username."\n".
650: &Apache::lonhtmlcommon::row_closure(1)."\n".
651: &Apache::lonhtmlcommon::row_title(&mt('Password'),
652: 'LC_pick_box_title')."\n".
653: $upassone."\n".
654: &Apache::lonhtmlcommon::row_closure(1)."\n".
655: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
656: 'LC_pick_box_title')."\n".
657: $upasstwo."\n".
658: &Apache::lonhtmlcommon::row_closure(1)."\n".
659: &Apache::lonhtmlcommon::end_pick_box()."\n".
660: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
661: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
662: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
663: '</form></div>'."\n".
664: '<div class="LC_clear_float_footer"><br /><br />'."\n".
665: '<form name="buttonform">'."\n".
666: '<input type="button" name="createaccount" value="'.
667: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
668: } else {
1.7 bisitz 669: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
1.1 raeburn 670: }
1.3 raeburn 671: return $output;
1.1 raeburn 672: }
673:
674: sub create_account {
1.3 raeburn 675: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
1.1 raeburn 676: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
677: $env{'form.serverid'});
678: # Error messages
1.7 bisitz 679: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 680: my $end = '</span><br /><br />';
681: my $rtnlink = '<a href="javascript:history.back();" />'.
682: &mt('Return to previous page').'</a>'.
683: &Apache::loncommon::end_page();
684: if ($retrieved eq 'ok') {
685: if ($env{'form.cid'} ne '') {
686: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
687: if ($result eq 'fail') {
688: $output = $error.&mt('Invalid ID format').$end.
689: $userchkmsg.$rtnlink;
690: return ('fail',$output);
691: }
692: }
693: } else {
694: return ('fail',$error.$output.$end.$rtnlink);
695: }
696: # Call modifyuser
697: my $result =
698: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
699: 'internal',$upass,$env{'form.cfirstname'},
700: $env{'form.cmiddlename'},$env{'form.clastname'},
701: $env{'form.cgeneration'},undef,undef,$username);
1.7 bisitz 702: $output = &mt('Generating user: [_1]',$result);
1.1 raeburn 703: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1.7 bisitz 704: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1.1 raeburn 705: &Apache::lonnet::hostname($uhome).'<br /><br />';
706: return ('ok',$output);
707: }
708:
709: sub username_validation {
1.8 raeburn 710: my ($username,$domain,$domdesc,$contact_name,$contact_email,$courseid,$lonhost) = @_;
1.1 raeburn 711: my ($retrieved,$output,$upass);
712:
713: $username= &LONCAPA::clean_username($username);
714: $domain = &LONCAPA::clean_domain($domain);
715: my $uhome = &Apache::lonnet::homeserver($username,$domain);
716:
717: if ($uhome ne 'no_host') {
718: $output = &invalid_state('existinguser',$domdesc,
719: $contact_name,$contact_email);
720: return $output;
721: }
722: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
723: $env{'form.serverid'});
724: if ($retrieved eq 'ok') {
725: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
726: my $authok;
727: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
728: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
729: my $checkdefauth = 1;
730: $authok =
731: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
732: } else {
733: $authok = 'non_authorized';
734: }
735: if ($authok eq 'authorized') {
1.18 ! raeburn 736: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
! 737: $contact_email,$contact_name);
1.4 raeburn 738: } else {
1.6 bisitz 739: $output = '<div class="LC_warning">'
740: .&mt('Username and/or password could not be authenticated.')
741: .'</div>'
742: .&mt('Please check the username and password.');
1.4 raeburn 743: }
744: }
745: return $output;
746: }
747:
748: sub username_check {
1.18 ! raeburn 749: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
! 750: $sso_logout) = @_;
! 751: my (%rulematch,%inst_results,$newuser,$checkfail,$rowcount,$editable,$output,$msg,
! 752: %alerts,%curr_rules,%got_rules);
1.4 raeburn 753: $newuser = 1;
754: my $checkhash;
755: my $checks = { 'username' => 1 };
756: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
757: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
758: \%inst_results,\%curr_rules,\%got_rules);
759: if (ref($alerts{'username'}) eq 'HASH') {
760: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
761: if ($alerts{'username'}{$domain}{$username}) {
762: if (ref($curr_rules{$domain}) eq 'HASH') {
1.18 ! raeburn 763: $output =
1.17 raeburn 764: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
765: 'selfcreate').
1.4 raeburn 766: &Apache::loncommon::user_rule_formats($domain,$domdesc,
767: $curr_rules{$domain}{'username'},'username');
1.1 raeburn 768: }
1.18 ! raeburn 769: $checkfail = 'username';
1.1 raeburn 770: }
1.4 raeburn 771: }
772: }
1.18 ! raeburn 773: if (!$checkfail) {
! 774: $output = '<form method="post" action="/adm/createaccount">';
! 775: (my $datatable,$rowcount,$editable) =
! 776: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
! 777: $inst_results{$username.':'.$domain});
! 778: if ($rowcount > 0) {
! 779: $output .= $datatable;
! 780: }
! 781: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
! 782: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
! 783: '<input type="hidden" name="phase" value="username_activation" />';
! 784: my $now = time;
! 785: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
! 786: 'time' => $now,
! 787: 'domain' => $domain,
! 788: 'username' => $username);
! 789: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
! 790: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
! 791: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
! 792: } else {
! 793: $output = &mt('An error occurred when storing a token').'<br />'.
! 794: &mt('You will not be able to proceed to the next stage of account creation').
! 795: &linkto_email_help($contact_email,$domdesc);
! 796: $checkfail = 'authtoken';
! 797: }
! 798: }
! 799: if ($checkfail) {
! 800: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
! 801: if ($checkfail eq 'username') {
! 802: $msg .= '<span class="LC_warning">'.
! 803: &mt('A LON-CAPA account may not be created with the username you use.').
! 804: '</span><br /><br />'.$output;
! 805: } elsif ($checkfail eq 'authtoken') {
! 806: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
! 807: '<br />'.$output;
! 808: }
! 809: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
! 810: $contact_name,$contact_email).'<br /><hr />'.
! 811: $sso_logout;
! 812: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1.8 raeburn 813: } else {
1.18 ! raeburn 814: if ($courseid ne '') {
! 815: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
! 816: }
! 817: $output .= '<input type="submit" name="newaccount" value="'.
! 818: &mt('Create LON-CAPA account').'" /></form>';
! 819: if ($rowcount) {
! 820: if ($editable) {
! 821: $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 />';
! 822: } else {
! 823: $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 />';
! 824: }
! 825: } else {
! 826: $msg = '<br />'.&mt('Confirm that you wish to create an account.');
! 827: }
! 828: $msg .= $output;
! 829: }
! 830: return $msg;
1.1 raeburn 831: }
832:
833: sub username_activation {
1.3 raeburn 834: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1.1 raeburn 835: my $output;
1.7 bisitz 836: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 837: my $end = '</span><br /><br />';
838: my $rtnlink = '<a href="javascript:history.back();" />'.
839: &mt('Return to previous page').'</a>'.
840: &Apache::loncommon::end_page();
841: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1.8 raeburn 842: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
843: my $now = time;
844: my $earlyout;
845: my $timeout = 300;
846: if (keys(%data) == 0) {
847: $output = &mt('Sorry, your authentication has expired.');
848: $earlyout = 'fail';
849: }
850: if (($data{'time'} !~ /^\d+$/) ||
851: ($data{'domain'} ne $domain) ||
852: ($data{'username'} ne $username)) {
853: $earlyout = 'fail';
854: $output = &mt('The credentials you provided could not be verified.');
855: } elsif ($now - $data{'time'} > $timeout) {
856: $earlyout = 'fail';
857: $output = &mt('Sorry, your authentication has expired.');
858: }
859: if ($earlyout ne '') {
860: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
861: return($earlyout,$output);
862: }
1.3 raeburn 863: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
864: ($domdefaults{'auth_arg_def'} ne '')) ||
865: ($domdefaults{'auth_def'} eq 'localauth')) {
1.1 raeburn 866: if ($env{'form.cid'} ne '') {
867: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
868: if ($result eq 'fail') {
869: $output = $error.&mt('Invalid ID format').$end.
870: $userchkmsg.$rtnlink;
871: return ('fail',$output);
872: }
873: }
874: # Call modifyuser
875: my $result =
876: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
877: $domdefaults{'auth_def'},
878: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
879: $env{'form.cmiddlename'},$env{'form.clastname'},
880: $env{'form.cgeneration'},undef,undef,
881: $env{'form.cpermanentemail'});
1.3 raeburn 882: if ($result eq 'ok') {
1.8 raeburn 883: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1.3 raeburn 884: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
885: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
886: my $nostart = 1;
887: return ('ok',$output,$nostart);
888: } else {
889: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
890: return ('fail',$output);
891: }
1.1 raeburn 892: } else {
1.7 bisitz 893: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1.1 raeburn 894: return('fail',$output);
895: }
896: }
897:
898: sub check_id {
899: my ($username,$domain,$domdesc) = @_;
900: # Check ID format
901: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
902: my %checks = ('id' => 1);
903: %{$checkhash{$username.':'.$domain}} = (
904: 'newuser' => 1,
905: 'id' => $env{'form.cid'},
906: );
907: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
908: \%rulematch,\%inst_results,\%curr_rules);
909: if (ref($alerts{'id'}) eq 'HASH') {
910: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
911: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
912: my $userchkmsg;
913: if (ref($curr_rules{$domain}) eq 'HASH') {
914: $userchkmsg =
915: &Apache::loncommon::instrule_disallow_msg('id',
916: $domdesc,1).
917: &Apache::loncommon::user_rule_formats($domain,
918: $domdesc,$curr_rules{$domain}{'id'},'id');
919: }
920: return ('fail',$userchkmsg);
921: }
922: }
923: }
924: return;
925: }
926:
927: sub invalid_state {
928: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1.14 raeburn 929: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1.1 raeburn 930: if ($error eq 'baduseremail') {
931: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
932: } elsif ($error eq 'existinguser') {
1.16 raeburn 933: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1.1 raeburn 934: } elsif ($error eq 'userrules') {
1.16 raeburn 935: $msg = &mt('Username rules for this LON-CAPA at this institution do not allow the e-mail address you provided to be used as a username.');
1.1 raeburn 936: } elsif ($error eq 'userformat') {
1.16 raeburn 937: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1.1 raeburn 938: } elsif ($error eq 'captcha') {
939: $msg = &mt('Validation of the code your entered failed.');
940: } elsif ($error eq 'noemails') {
1.16 raeburn 941: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1.1 raeburn 942: }
1.14 raeburn 943: $msg .= '</span>';
1.1 raeburn 944: if ($msgtext) {
945: $msg .= '<br />'.$msgtext;
946: }
1.8 raeburn 947: $msg .= &linkto_email_help($contact_email,$domdesc);
948: return $msg;
949: }
950:
951: sub linkto_email_help {
952: my ($contact_email,$domdesc) = @_;
953: my $msg;
1.1 raeburn 954: if ($contact_email ne '') {
955: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1.17 raeburn 956: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1.1 raeburn 957: } else {
1.17 raeburn 958: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1.1 raeburn 959: }
960: return $msg;
961: }
962:
963: sub create_captcha {
964: my ($output_dir,$db_dir) = @_;
965: my %captcha_params = &captcha_settings();
966: my $captcha = Authen::Captcha->new(
967: output_folder => $captcha_params{'output_dir'},
968: data_folder => $captcha_params{'db_dir'},
969: );
970: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
971: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
972: &mt('Type in the letters/numbers shown below').' '.
973: '<input type="text" size="5" name="code" value="" /><br />'.
974: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
975: return $output;
976: }
977:
978: sub captcha_settings {
979: my %captcha_params = (
1.13 raeburn 980: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
981: www_output_dir => "/captchaspool",
982: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1.1 raeburn 983: numchars => '5',
984: );
985: return %captcha_params;
986: }
987:
988: sub getkeys {
989: my ($lkey,$ukey) = @_;
990: my $lextkey=hex($lkey);
991: if ($lextkey>2147483647) { $lextkey-=4294967296; }
992:
993: my $uextkey=hex($ukey);
994: if ($uextkey>2147483647) { $uextkey-=4294967296; }
995: return ($lextkey,$uextkey);
996: }
997:
998: sub serverform {
1.3 raeburn 999: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
1.1 raeburn 1000: my $output .= <<ENDSERVERFORM;
1001: <form name="server" method="post" target="_top">
1002: <input type="hidden" name="logtoken" value="$logtoken" />
1003: <input type="hidden" name="token" value="$mailtoken" />
1004: <input type="hidden" name="serverid" value="$lonhost" />
1005: <input type="hidden" name="uname" value="" />
1006: <input type="hidden" name="upass" value="" />
1007: <input type="hidden" name="phase" value="username_validation" />
1.3 raeburn 1008: <input type="hidden" name="courseid" value="$courseid" />
1.1 raeburn 1009: </form>
1010: ENDSERVERFORM
1011: return $output;
1012: }
1013:
1014: sub process_credentials {
1015: my ($logtoken,$lonhost) = @_;
1016: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1017: my ($retrieved,$output,$upass);
1018: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.7 bisitz 1019: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1020: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1.1 raeburn 1021: return ($retrieved,$output,$upass);
1022: } else {
1023: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1024: if ($reply eq 'ok') {
1025: $retrieved = 'ok';
1026: } else {
1027: $output = &mt('Session could not be opened.');
1028: }
1029: }
1030: my ($key,$caller)=split(/&/,$tmpinfo);
1031: if ($caller eq 'createaccount') {
1032: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1033: } else {
1034: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1035: }
1036: return ($retrieved,$output,$upass);
1037: }
1038:
1039: sub guest_format_check {
1040: my ($useremail,$domain,$cancreate,$settings) = @_;
1041: my ($login,$format_match,$format_msg,@user_rules);
1042: if (ref($settings) eq 'HASH') {
1043: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1044: push(@user_rules,@{$settings->{'email_rule'}});
1045: }
1046: }
1047: if (@user_rules > 0) {
1048: my %rule_check =
1049: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1.2 raeburn 1050: 'selfcreate',\@user_rules);
1.1 raeburn 1051: if (keys(%rule_check) > 0) {
1052: foreach my $item (keys(%rule_check)) {
1053: if ($rule_check{$item}) {
1054: $format_match = 1;
1055: last;
1056: }
1057: }
1058: }
1059: }
1060: if ($format_match) {
1061: ($login) = ($useremail =~ /^([^\@]+)\@/);
1062: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1.5 raeburn 1063: if (ref($cancreate) eq 'ARRAY') {
1064: if (grep(/^login$/,@{$cancreate})) {
1.7 bisitz 1065: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1.5 raeburn 1066: }
1.1 raeburn 1067: }
1068: }
1069: return $format_msg;
1070: }
1071:
1.17 raeburn 1072: sub sso_logout_frag {
1073: my ($r,$domain) = @_;
1074: my $endsessionmsg;
1075: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1076: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1077: if (-e $msgfile) {
1078: open(my $fh,"<$msgfile");
1079: $endsessionmsg = join('',<$fh>);
1080: close($fh);
1081: }
1082: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1083: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1084: if (-e $msgfile) {
1085: open(my $fh,"<$msgfile");
1086: $endsessionmsg = join('',<$fh>);
1087: close($fh);
1088: }
1089: }
1090: return $endsessionmsg;
1091: }
1092:
1.1 raeburn 1093: 1;
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