Annotation of loncom/interface/createaccount.pm, revision 1.19
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: #
1.19 ! raeburn 6: # $Id: createaccount.pm,v 1.18 2008/07/13 00:51:31 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: $r->print(&Apache::loncommon::end_page());
182: return OK;
1.19 ! raeburn 183: } elsif ($env{'form.phase'} eq 'username_validation') {
! 184: (my $result,$output) =
! 185: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
! 186: $contact_name,$contact_email,$courseid,
! 187: $lonhost);
! 188: if ($result eq 'existingaccount') {
! 189: $r->print($output);
! 190: $r->print(&Apache::loncommon::end_page());
! 191: return OK;
! 192: } else {
! 193: &print_header($r,$start_page);
! 194: }
! 195: } elsif ($env{'form.create_with_email'}) {
! 196: &print_header($r,$start_page);
1.1 raeburn 197: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
1.5 raeburn 198: $contact_name,$contact_email,\@cancreate,
1.3 raeburn 199: $lonhost,$domconfig{'usercreation'},
200: $courseid);
201: } elsif (!$token) {
1.19 ! raeburn 202: &print_header($r,$start_page);
1.1 raeburn 203: my $now=time;
1.5 raeburn 204: if (grep(/^login$/,@cancreate)) {
1.1 raeburn 205: my $jsh=Apache::File->new($include."/londes.js");
206: $r->print(<$jsh>);
207: $r->print(&javascript_setforms($now));
208: }
1.12 raeburn 209: if (grep(/^email$/,@cancreate)) {
210: $r->print(&javascript_validmail());
211: }
1.5 raeburn 212: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
1.3 raeburn 213: $courseid);
1.1 raeburn 214: }
215: $r->print($output);
216: $r->print(&Apache::loncommon::end_page());
217: return OK;
218: }
219:
1.3 raeburn 220: sub print_header {
221: my ($r,$start_page) = @_;
222: $r->print($start_page);
223: &Apache::lonhtmlcommon::clear_breadcrumbs();
224: &Apache::lonhtmlcommon::add_breadcrumb
225: ({href=>"/adm/createuser",
226: text=>"New username"});
227: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
228: return;
229: }
230:
231: sub validate_course {
232: my ($courseid) = @_;
233: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
234: if (($cdom ne '') && ($cnum ne '')) {
235: if (&Apache::lonnet::is_course($cdom,$cnum)) {
236: return ($courseid);
237: }
238: }
239: return;
240: }
241:
1.1 raeburn 242: sub javascript_setforms {
243: my ($now) = @_;
244: my $js = <<ENDSCRIPT;
245: <script language="JavaScript">
246: function send() {
247: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
248: uextkey=this.document.client.elements.uextkey.value;
249: lextkey=this.document.client.elements.lextkey.value;
250: initkeys();
251:
252: this.document.server.elements.upass.value
253: = crypted(this.document.client.elements.upass$now.value);
254:
255: this.document.client.elements.uname.value='';
256: this.document.client.elements.upass$now.value='';
257:
258: this.document.server.submit();
259: return false;
260: }
261: </script>
262: ENDSCRIPT
263: return $js;
264: }
265:
266: sub javascript_checkpass {
267: my ($now) = @_;
1.7 bisitz 268: my $nopass = &mt('You must enter a password.');
1.1 raeburn 269: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
270: &mt('Please try again.');
271: my $js = <<"ENDSCRIPT";
272: <script type="text/javascript" language="JavaScript">
273: function checkpass() {
274: var upass = this.document.client.elements.upass$now.value;
275: var upasscheck = this.document.client.elements.upasscheck$now.value;
276: if (upass == '') {
277: alert("$nopass");
278: return;
279: }
280: if (upass == upasscheck) {
281: this.document.client.elements.upasscheck$now.value='';
282: send();
283: return;
284: } else {
285: alert("$mismatchpass");
286: return;
287: }
288: }
289: </script>
290: ENDSCRIPT
291: return $js;
292: }
293:
1.12 raeburn 294: sub javascript_validmail {
295: my %lt = &Apache::lonlocal::texthash (
296: email => 'The e-mail address you entered',
297: notv => 'is not a valid e-mail address',
298: );
299: my $output = "\n".'<script type="text/javascript">'."\n".
300: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
301: $output .= <<"ENDSCRIPT";
302: function validate_email() {
303: field = document.createaccount.useremail;
304: if (validmail(field) == false) {
305: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
306: return false;
307: }
308: return true;
309: }
310: ENDSCRIPT
311: $output .= "\n".'</script>'."\n";
312: return $output;
313: }
314:
1.1 raeburn 315: sub print_username_form {
1.3 raeburn 316: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
1.1 raeburn 317: my %lt = &Apache::lonlocal::texthash(
318: unam => 'username',
319: udom => 'domain',
320: uemail => 'Email address in LON-CAPA',
321: proc => 'Proceed');
322: my $output;
1.5 raeburn 323: if (ref($cancreate) eq 'ARRAY') {
324: if (grep(/^login$/,@{$cancreate})) {
325: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
326: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
1.16 raeburn 327: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
328: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
1.5 raeburn 329: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
330: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
331: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
332: $lonhost);
333: $output .= &serverform($logtoken,$lonhost,undef,$courseid);
334: my $unameform = '<input type="text" name="uname" size="10" value="" />';
335: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
336: my $submit_text = &mt('Create LON-CAPA account');
337: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
338: &Apache::lonhtmlcommon::start_pick_box()."\n".
339: &Apache::lonhtmlcommon::row_title(&mt('Log-in ID'),
1.1 raeburn 340: 'LC_pick_box_title')."\n".
1.5 raeburn 341: $unameform."\n".
342: &Apache::lonhtmlcommon::row_closure(1)."\n".
343: &Apache::lonhtmlcommon::row_title(&mt('Password'),
1.1 raeburn 344: 'LC_pick_box_title')."\n".
1.5 raeburn 345: $upassform."\n".'<br /><br />'."\n".
346: '<input type="button" name="username_validation" value="'.
347: $submit_text.'" onclick="javascript:send()" />'."\n".
348: &Apache::lonhtmlcommon::row_closure(1)."\n".
349: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
350: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
351: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
352: '</form></div>';
353: }
354: }
355: if (grep(/^email$/,@{$cancreate})) {
356: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
357: if (grep(/^login$/,@{$cancreate})) {
1.9 raeburn 358: $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 359: } else {
360: $output .= '<br />';
361: }
362: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
363: my $captchaform = &create_captcha();
364: my $submit_text = &mt('Request LON-CAPA account');
1.12 raeburn 365: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
1.5 raeburn 366: &Apache::lonhtmlcommon::start_pick_box()."\n".
367: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
368: 'LC_pick_box_title')."\n".
369: $emailform."\n".
370: &Apache::lonhtmlcommon::row_closure(1).
371: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
372: 'LC_pick_box_title')."\n".
373: $captchaform."\n".'<br /><br />';
374: if ($courseid ne '') {
375: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
376: }
377: $output .= '<input type="submit" name="create_with_email" value="'.
378: $submit_text.'" />'.
379: &Apache::lonhtmlcommon::row_closure(1).
380: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
381: '</div>';
1.3 raeburn 382: }
1.1 raeburn 383: }
384: if ($output eq '') {
1.16 raeburn 385: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
1.1 raeburn 386: } else {
387: $output .= '<div class="LC_clear_float_footer"></div>';
388: }
389: return $output;
390: }
391:
392: sub process_email_request {
393: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
1.3 raeburn 394: $server,$settings,$courseid) = @_;
1.1 raeburn 395: my $useremail = $env{'form.useremail'};
396: my $output;
1.5 raeburn 397: if (ref($cancreate) eq 'ARRAY') {
398: if (!grep(/^email$/,@{$cancreate})) {
399: $output = &invalid_state('noemails',$domdesc,
400: $contact_name,$contact_email);
401: return $output;
402: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
403: $output = &invalid_state('baduseremail',$domdesc,
1.1 raeburn 404: $contact_name,$contact_email);
405: return $output;
406: } else {
1.5 raeburn 407: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
408: if ($uhome ne 'no_host') {
409: $output = &invalid_state('existinguser',$domdesc,
410: $contact_name,$contact_email);
1.1 raeburn 411: return $output;
1.5 raeburn 412: } else {
413: my $code = $env{'form.code'};
414: my $md5sum = $env{'form.crypt'};
415: my %captcha_params = &captcha_settings();
416: my $captcha = Authen::Captcha->new(
417: output_folder => $captcha_params{'output_dir'},
418: data_folder => $captcha_params{'db_dir'},
419: );
420: my $captcha_chk = $captcha->check_code($code,$md5sum);
421: my %captcha_hash = (
422: 0 => 'Code not checked (file error)',
423: -1 => 'Failed: code expired',
424: -2 => 'Failed: invalid code (not in database)',
425: -3 => 'Failed: invalid code (code does not match crypt)',
426: );
427: if ($captcha_chk != 1) {
428: $output = &invalid_state('captcha',$domdesc,$contact_name,
429: $contact_email,$captcha_hash{$captcha_chk});
430: return $output;
431: }
432: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
433: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
434: if ($uhome eq 'no_host') {
435: my $checkhash;
436: my $checks = { 'username' => 1 };
437: $checkhash->{$useremail.':'.$domain} = { 'newuser' => 1, };
438: &Apache::loncommon::user_rule_check($checkhash,$checks,
439: \%alerts,\%rulematch,\%inst_results,\%curr_rules,
440: \%got_rules);
441: if (ref($alerts{'useremail'}) eq 'HASH') {
442: if (ref($alerts{'useremail'}{$domain}) eq 'HASH') {
443: if ($alerts{'username'}{$domain}{$useremail}) {
444: $output = &invalid_state('userrules',$domdesc,
445: $contact_name,$contact_email);
446: return $output;
447: }
1.1 raeburn 448: }
449: }
1.5 raeburn 450: my $format_msg =
451: &guest_format_check($useremail,$domain,$cancreate,
452: $settings);
453: if ($format_msg) {
454: $output = &invalid_state('userformat',$domdesc,$contact_name,
455: $contact_email,$format_msg);
456: return $output;
457: }
1.1 raeburn 458: }
459: }
460: }
1.5 raeburn 461: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
462: $contact_email,$courseid);
1.1 raeburn 463: }
464: return $output;
465: }
466:
467: sub send_token {
1.3 raeburn 468: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.14 raeburn 469: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
470: &mt('Thank you for your request to create a new LON-CAPA account.').
471: '<br /><br />';
1.1 raeburn 472: my $now = time;
473: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
474: 'time' => $now,
475: 'domain' => $domain,
1.3 raeburn 476: 'username' => $email,
477: 'courseid' => $courseid);
1.1 raeburn 478: my $token = &Apache::lonnet::tmpput(\%info,$server);
479: if ($token !~ /^error/ && $token ne 'no_such_host') {
480: my $esc_token = &escape($token);
1.16 raeburn 481: 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 482: &mt('To complete this process please open a web browser and enter the following'
483: .' URL in the address/location box: [_1]'
1.9 raeburn 484: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
1.1 raeburn 485: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
486: $contact_email);
487: if ($result eq 'ok') {
488: $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>');
489: } else {
1.14 raeburn 490: $msg .= '<span class="LC_error">'.
491: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
492: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 493: }
494: } else {
1.14 raeburn 495: $msg .= '<span class="LC_error">'.
496: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
497: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 498: }
499: return $msg;
500: }
501:
502: sub process_mailtoken {
1.3 raeburn 503: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
504: $include,$start_page) = @_;
505: my ($msg,$nostart,$noend);
1.1 raeburn 506: my %data = &Apache::lonnet::tmpget($token);
507: my $now = time;
508: if (keys(%data) == 0) {
1.9 raeburn 509: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
510: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
511: .' '.&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 512: return $msg;
513: }
514: if (($data{'time'} =~ /^\d+$/) &&
515: ($data{'domain'} ne '') &&
516: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
517: if ($now - $data{'time'} < 7200) {
518: if ($env{'form.phase'} eq 'createaccount') {
1.3 raeburn 519: my ($result,$output) = &create_account($r,$domain,$lonhost,
1.1 raeburn 520: $data{'username'},$domdesc);
521: if ($result eq 'ok') {
522: $msg = $output;
1.17 raeburn 523: my $shownow = &Apache::lonlocal::locallocaltime($now);
1.16 raeburn 524: 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 525: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
526: $mailmsg,$contact_name,
527: $contact_email);
528: if ($mailresult eq 'ok') {
529: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
530: } else {
531: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
532: }
1.3 raeburn 533: my %form = &start_session($r,$data{'username'},$domain,
534: $lonhost,$data{'courseid'},
535: $token);
536: $nostart = 1;
537: $noend = 1;
1.1 raeburn 538: } else {
1.7 bisitz 539: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
540: .'<br />'.$output
541: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
542: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 543: }
1.3 raeburn 544: my $delete = &Apache::lonnet::tmpdel($token);
1.1 raeburn 545: } else {
1.3 raeburn 546: $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 />';
547: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
548: $nostart = 1;
1.1 raeburn 549: }
550: } else {
1.7 bisitz 551: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
552: .' '.&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 553: }
1.1 raeburn 554: } else {
1.7 bisitz 555: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
556: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
1.1 raeburn 557: }
1.3 raeburn 558: return ($msg,$nostart,$noend);
559: }
560:
561: sub start_session {
562: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
563: my %form = (
564: uname => $username,
565: udom => $domain,
566: );
567: my $firsturl = '/adm/roles';
568: if (defined($courseid)) {
569: $courseid = &validate_course($courseid);
570: if ($courseid ne '') {
571: $form{'courseid'} = $courseid;
572: $firsturl = '/adm/selfenroll?cid='.$courseid;
573: }
574: }
575: if ($r->dir_config('lonBalancer') eq 'yes') {
576: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
577: $lonhost,'noredirect',undef,\%form);
1.19 ! raeburn 578: if ($token ne '') {
! 579: my $delete = &Apache::lonnet::tmpdel($token);
! 580: }
1.3 raeburn 581: $r->internal_redirect('/adm/switchserver');
582: } else {
583: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
584: $lonhost,$firsturl,undef,\%form);
585: }
586: return %form;
1.1 raeburn 587: }
588:
1.3 raeburn 589:
1.1 raeburn 590: sub print_dataentry_form {
1.3 raeburn 591: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
1.1 raeburn 592: my ($error,$output);
1.3 raeburn 593: &print_header($r,$start_page);
1.1 raeburn 594: if (open(my $jsh,"<$include/londes.js")) {
595: while(my $line = <$jsh>) {
596: $r->print($line);
597: }
598: close($jsh);
1.3 raeburn 599: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
1.1 raeburn 600: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
601: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
602: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
603: $lonhost);
604: my @userinfo = ('firstname','middlename','lastname','generation','id',
605: 'permanentemail');
606: my %lt=&Apache::lonlocal::texthash(
607: 'pd' => "Personal Data",
608: 'firstname' => "First Name",
609: 'middlename' => "Middle Name",
610: 'lastname' => "Last Name",
611: 'generation' => "Generation",
612: 'permanentemail' => "Permanent e-mail address",
613: 'id' => "ID/Student Number",
614: 'lg' => "Login Data"
615: );
616: my %textboxsize = (
617: firstname => '15',
618: middlename => '15',
619: lastname => '15',
620: generation => '5',
621: id => '15',
622: );
623: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
1.3 raeburn 624: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
625: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
1.1 raeburn 626: &Apache::lonhtmlcommon::start_pick_box();
627: foreach my $item (@userinfo) {
628: my $rowtitle = $lt{$item};
629: if ($item eq 'generation') {
630: $rowtitle = $genhelp.$rowtitle;
631: }
632: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
633: if ($item eq 'permanentemail') {
634: $output .= $username;
635: } else {
636: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
637: }
638: $output .= &Apache::lonhtmlcommon::row_closure(1);
639: }
640: $output .= &Apache::lonhtmlcommon::end_pick_box();
641: $output .= <<"ENDSERVERFORM";
642: <input type="hidden" name="logtoken" value="$logtoken" />
643: <input type="hidden" name="token" value="$mailtoken" />
644: <input type="hidden" name="serverid" value="$lonhost" />
645: <input type="hidden" name="uname" value="" />
646: <input type="hidden" name="upass" value="" />
647: <input type="hidden" name="phase" value="createaccount" />
648: </form></div>
649: ENDSERVERFORM
650: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
651: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
652: my $submit_text = &mt('Create LON-CAPA account');
653: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
654: '<form name="client" method="post" />'."\n".
655: &Apache::lonhtmlcommon::start_pick_box()."\n".
656: &Apache::lonhtmlcommon::row_title(&mt('Username'),
657: 'LC_pick_box_title')."\n".
658: $username."\n".
659: &Apache::lonhtmlcommon::row_closure(1)."\n".
660: &Apache::lonhtmlcommon::row_title(&mt('Password'),
661: 'LC_pick_box_title')."\n".
662: $upassone."\n".
663: &Apache::lonhtmlcommon::row_closure(1)."\n".
664: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
665: 'LC_pick_box_title')."\n".
666: $upasstwo."\n".
667: &Apache::lonhtmlcommon::row_closure(1)."\n".
668: &Apache::lonhtmlcommon::end_pick_box()."\n".
669: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
670: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
671: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
672: '</form></div>'."\n".
673: '<div class="LC_clear_float_footer"><br /><br />'."\n".
674: '<form name="buttonform">'."\n".
675: '<input type="button" name="createaccount" value="'.
676: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
677: } else {
1.7 bisitz 678: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
1.1 raeburn 679: }
1.3 raeburn 680: return $output;
1.1 raeburn 681: }
682:
683: sub create_account {
1.3 raeburn 684: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
1.1 raeburn 685: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
686: $env{'form.serverid'});
687: # Error messages
1.7 bisitz 688: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 689: my $end = '</span><br /><br />';
690: my $rtnlink = '<a href="javascript:history.back();" />'.
691: &mt('Return to previous page').'</a>'.
692: &Apache::loncommon::end_page();
693: if ($retrieved eq 'ok') {
694: if ($env{'form.cid'} ne '') {
695: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
696: if ($result eq 'fail') {
697: $output = $error.&mt('Invalid ID format').$end.
698: $userchkmsg.$rtnlink;
699: return ('fail',$output);
700: }
701: }
702: } else {
703: return ('fail',$error.$output.$end.$rtnlink);
704: }
705: # Call modifyuser
706: my $result =
707: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
708: 'internal',$upass,$env{'form.cfirstname'},
709: $env{'form.cmiddlename'},$env{'form.clastname'},
710: $env{'form.cgeneration'},undef,undef,$username);
1.7 bisitz 711: $output = &mt('Generating user: [_1]',$result);
1.1 raeburn 712: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1.7 bisitz 713: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1.1 raeburn 714: &Apache::lonnet::hostname($uhome).'<br /><br />';
715: return ('ok',$output);
716: }
717:
718: sub username_validation {
1.19 ! raeburn 719: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
! 720: $lonhost) = @_;
1.1 raeburn 721: my ($retrieved,$output,$upass);
722:
723: $username= &LONCAPA::clean_username($username);
724: $domain = &LONCAPA::clean_domain($domain);
725: my $uhome = &Apache::lonnet::homeserver($username,$domain);
726:
727: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
728: $env{'form.serverid'});
1.19 ! raeburn 729: if ($retrieved ne 'ok') {
! 730: return ('fail',$output);
! 731: }
! 732: if ($uhome ne 'no_host') {
! 733: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
! 734: if ($result ne 'no_host') {
! 735: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
! 736: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
! 737: return ('existingaccount',$output);
! 738: } else {
! 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.');
! 743: }
! 744: } else {
1.1 raeburn 745: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
746: my $authok;
747: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
748: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
749: my $checkdefauth = 1;
750: $authok =
751: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
752: } else {
753: $authok = 'non_authorized';
754: }
755: if ($authok eq 'authorized') {
1.18 raeburn 756: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
757: $contact_email,$contact_name);
1.4 raeburn 758: } else {
1.19 ! raeburn 759: $output = '<div class="LC_warning">'.
! 760: &mt('Username and/or password could not be authenticated.').
! 761: '</div>'.
! 762: &mt('Please check the username and password.');
1.4 raeburn 763: }
764: }
1.19 ! raeburn 765: return ('ok',$output);
1.4 raeburn 766: }
767:
768: sub username_check {
1.18 raeburn 769: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
770: $sso_logout) = @_;
771: my (%rulematch,%inst_results,$newuser,$checkfail,$rowcount,$editable,$output,$msg,
772: %alerts,%curr_rules,%got_rules);
1.4 raeburn 773: $newuser = 1;
774: my $checkhash;
775: my $checks = { 'username' => 1 };
776: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
777: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
778: \%inst_results,\%curr_rules,\%got_rules);
779: if (ref($alerts{'username'}) eq 'HASH') {
780: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
781: if ($alerts{'username'}{$domain}{$username}) {
782: if (ref($curr_rules{$domain}) eq 'HASH') {
1.18 raeburn 783: $output =
1.17 raeburn 784: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
785: 'selfcreate').
1.4 raeburn 786: &Apache::loncommon::user_rule_formats($domain,$domdesc,
787: $curr_rules{$domain}{'username'},'username');
1.1 raeburn 788: }
1.18 raeburn 789: $checkfail = 'username';
1.1 raeburn 790: }
1.4 raeburn 791: }
792: }
1.18 raeburn 793: if (!$checkfail) {
794: $output = '<form method="post" action="/adm/createaccount">';
795: (my $datatable,$rowcount,$editable) =
796: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
797: $inst_results{$username.':'.$domain});
798: if ($rowcount > 0) {
799: $output .= $datatable;
800: }
801: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
802: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
803: '<input type="hidden" name="phase" value="username_activation" />';
804: my $now = time;
805: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
806: 'time' => $now,
807: 'domain' => $domain,
808: 'username' => $username);
809: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
810: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
811: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
812: } else {
813: $output = &mt('An error occurred when storing a token').'<br />'.
814: &mt('You will not be able to proceed to the next stage of account creation').
815: &linkto_email_help($contact_email,$domdesc);
816: $checkfail = 'authtoken';
817: }
818: }
819: if ($checkfail) {
820: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
821: if ($checkfail eq 'username') {
822: $msg .= '<span class="LC_warning">'.
823: &mt('A LON-CAPA account may not be created with the username you use.').
824: '</span><br /><br />'.$output;
825: } elsif ($checkfail eq 'authtoken') {
826: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
827: '<br />'.$output;
828: }
829: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
830: $contact_name,$contact_email).'<br /><hr />'.
831: $sso_logout;
832: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1.8 raeburn 833: } else {
1.18 raeburn 834: if ($courseid ne '') {
835: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
836: }
837: $output .= '<input type="submit" name="newaccount" value="'.
838: &mt('Create LON-CAPA account').'" /></form>';
839: if ($rowcount) {
840: if ($editable) {
841: $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 />';
842: } else {
843: $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 />';
844: }
845: } else {
846: $msg = '<br />'.&mt('Confirm that you wish to create an account.');
847: }
848: $msg .= $output;
849: }
850: return $msg;
1.1 raeburn 851: }
852:
853: sub username_activation {
1.3 raeburn 854: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1.1 raeburn 855: my $output;
1.7 bisitz 856: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 857: my $end = '</span><br /><br />';
858: my $rtnlink = '<a href="javascript:history.back();" />'.
859: &mt('Return to previous page').'</a>'.
860: &Apache::loncommon::end_page();
861: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1.8 raeburn 862: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
863: my $now = time;
864: my $earlyout;
865: my $timeout = 300;
866: if (keys(%data) == 0) {
867: $output = &mt('Sorry, your authentication has expired.');
868: $earlyout = 'fail';
869: }
870: if (($data{'time'} !~ /^\d+$/) ||
871: ($data{'domain'} ne $domain) ||
872: ($data{'username'} ne $username)) {
873: $earlyout = 'fail';
874: $output = &mt('The credentials you provided could not be verified.');
875: } elsif ($now - $data{'time'} > $timeout) {
876: $earlyout = 'fail';
877: $output = &mt('Sorry, your authentication has expired.');
878: }
879: if ($earlyout ne '') {
880: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
881: return($earlyout,$output);
882: }
1.3 raeburn 883: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
884: ($domdefaults{'auth_arg_def'} ne '')) ||
885: ($domdefaults{'auth_def'} eq 'localauth')) {
1.1 raeburn 886: if ($env{'form.cid'} ne '') {
887: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
888: if ($result eq 'fail') {
889: $output = $error.&mt('Invalid ID format').$end.
890: $userchkmsg.$rtnlink;
891: return ('fail',$output);
892: }
893: }
894: # Call modifyuser
895: my $result =
896: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
897: $domdefaults{'auth_def'},
898: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
899: $env{'form.cmiddlename'},$env{'form.clastname'},
900: $env{'form.cgeneration'},undef,undef,
901: $env{'form.cpermanentemail'});
1.3 raeburn 902: if ($result eq 'ok') {
1.8 raeburn 903: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1.3 raeburn 904: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
905: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
906: my $nostart = 1;
907: return ('ok',$output,$nostart);
908: } else {
909: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
910: return ('fail',$output);
911: }
1.1 raeburn 912: } else {
1.7 bisitz 913: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1.1 raeburn 914: return('fail',$output);
915: }
916: }
917:
918: sub check_id {
919: my ($username,$domain,$domdesc) = @_;
920: # Check ID format
921: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
922: my %checks = ('id' => 1);
923: %{$checkhash{$username.':'.$domain}} = (
924: 'newuser' => 1,
925: 'id' => $env{'form.cid'},
926: );
927: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
928: \%rulematch,\%inst_results,\%curr_rules);
929: if (ref($alerts{'id'}) eq 'HASH') {
930: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
931: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
932: my $userchkmsg;
933: if (ref($curr_rules{$domain}) eq 'HASH') {
934: $userchkmsg =
935: &Apache::loncommon::instrule_disallow_msg('id',
936: $domdesc,1).
937: &Apache::loncommon::user_rule_formats($domain,
938: $domdesc,$curr_rules{$domain}{'id'},'id');
939: }
940: return ('fail',$userchkmsg);
941: }
942: }
943: }
944: return;
945: }
946:
947: sub invalid_state {
948: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1.14 raeburn 949: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1.1 raeburn 950: if ($error eq 'baduseremail') {
951: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
952: } elsif ($error eq 'existinguser') {
1.16 raeburn 953: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1.1 raeburn 954: } elsif ($error eq 'userrules') {
1.16 raeburn 955: $msg = &mt('Username rules for this LON-CAPA at this institution do not allow the e-mail address you provided to be used as a username.');
1.1 raeburn 956: } elsif ($error eq 'userformat') {
1.16 raeburn 957: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1.1 raeburn 958: } elsif ($error eq 'captcha') {
959: $msg = &mt('Validation of the code your entered failed.');
960: } elsif ($error eq 'noemails') {
1.16 raeburn 961: $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 962: }
1.14 raeburn 963: $msg .= '</span>';
1.1 raeburn 964: if ($msgtext) {
965: $msg .= '<br />'.$msgtext;
966: }
1.8 raeburn 967: $msg .= &linkto_email_help($contact_email,$domdesc);
968: return $msg;
969: }
970:
971: sub linkto_email_help {
972: my ($contact_email,$domdesc) = @_;
973: my $msg;
1.1 raeburn 974: if ($contact_email ne '') {
975: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1.17 raeburn 976: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1.1 raeburn 977: } else {
1.17 raeburn 978: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1.1 raeburn 979: }
980: return $msg;
981: }
982:
983: sub create_captcha {
984: my ($output_dir,$db_dir) = @_;
985: my %captcha_params = &captcha_settings();
986: my $captcha = Authen::Captcha->new(
987: output_folder => $captcha_params{'output_dir'},
988: data_folder => $captcha_params{'db_dir'},
989: );
990: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
991: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
992: &mt('Type in the letters/numbers shown below').' '.
993: '<input type="text" size="5" name="code" value="" /><br />'.
994: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
995: return $output;
996: }
997:
998: sub captcha_settings {
999: my %captcha_params = (
1.13 raeburn 1000: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1001: www_output_dir => "/captchaspool",
1002: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1.1 raeburn 1003: numchars => '5',
1004: );
1005: return %captcha_params;
1006: }
1007:
1008: sub getkeys {
1009: my ($lkey,$ukey) = @_;
1010: my $lextkey=hex($lkey);
1011: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1012:
1013: my $uextkey=hex($ukey);
1014: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1015: return ($lextkey,$uextkey);
1016: }
1017:
1018: sub serverform {
1.3 raeburn 1019: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
1.1 raeburn 1020: my $output .= <<ENDSERVERFORM;
1021: <form name="server" method="post" target="_top">
1022: <input type="hidden" name="logtoken" value="$logtoken" />
1023: <input type="hidden" name="token" value="$mailtoken" />
1024: <input type="hidden" name="serverid" value="$lonhost" />
1025: <input type="hidden" name="uname" value="" />
1026: <input type="hidden" name="upass" value="" />
1027: <input type="hidden" name="phase" value="username_validation" />
1.3 raeburn 1028: <input type="hidden" name="courseid" value="$courseid" />
1.1 raeburn 1029: </form>
1030: ENDSERVERFORM
1031: return $output;
1032: }
1033:
1034: sub process_credentials {
1035: my ($logtoken,$lonhost) = @_;
1036: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1037: my ($retrieved,$output,$upass);
1038: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.7 bisitz 1039: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1040: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1.1 raeburn 1041: return ($retrieved,$output,$upass);
1042: } else {
1043: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1044: if ($reply eq 'ok') {
1045: $retrieved = 'ok';
1046: } else {
1047: $output = &mt('Session could not be opened.');
1048: }
1049: }
1050: my ($key,$caller)=split(/&/,$tmpinfo);
1051: if ($caller eq 'createaccount') {
1052: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1053: } else {
1054: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1055: }
1056: return ($retrieved,$output,$upass);
1057: }
1058:
1059: sub guest_format_check {
1060: my ($useremail,$domain,$cancreate,$settings) = @_;
1061: my ($login,$format_match,$format_msg,@user_rules);
1062: if (ref($settings) eq 'HASH') {
1063: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1064: push(@user_rules,@{$settings->{'email_rule'}});
1065: }
1066: }
1067: if (@user_rules > 0) {
1068: my %rule_check =
1069: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1.2 raeburn 1070: 'selfcreate',\@user_rules);
1.1 raeburn 1071: if (keys(%rule_check) > 0) {
1072: foreach my $item (keys(%rule_check)) {
1073: if ($rule_check{$item}) {
1074: $format_match = 1;
1075: last;
1076: }
1077: }
1078: }
1079: }
1080: if ($format_match) {
1081: ($login) = ($useremail =~ /^([^\@]+)\@/);
1082: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1.5 raeburn 1083: if (ref($cancreate) eq 'ARRAY') {
1084: if (grep(/^login$/,@{$cancreate})) {
1.7 bisitz 1085: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1.5 raeburn 1086: }
1.1 raeburn 1087: }
1088: }
1089: return $format_msg;
1090: }
1091:
1.17 raeburn 1092: sub sso_logout_frag {
1093: my ($r,$domain) = @_;
1094: my $endsessionmsg;
1095: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1096: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1097: if (-e $msgfile) {
1098: open(my $fh,"<$msgfile");
1099: $endsessionmsg = join('',<$fh>);
1100: close($fh);
1101: }
1102: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1103: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1104: if (-e $msgfile) {
1105: open(my $fh,"<$msgfile");
1106: $endsessionmsg = join('',<$fh>);
1107: close($fh);
1108: }
1109: }
1110: return $endsessionmsg;
1111: }
1112:
1.1 raeburn 1113: 1;
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