Annotation of loncom/interface/createaccount.pm, revision 1.17
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: #
1.17 ! raeburn 6: # $Id: createaccount.pm,v 1.16 2008/07/11 15:44:32 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);
1.17 ! raeburn 130: my $msg;
1.5 raeburn 131: if (grep(/^sso$/,@cancreate)) {
1.14 raeburn 132: $msg = '<h3>'.&mt('Account creation').'</h3>'.
1.17 ! raeburn 133: &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution.").'<br />';
! 134: my ($output,$checkfail) = &username_check($sso_username,$domain,
! 135: $domdesc,$courseid,
! 136: $lonhost,$contact_email);
1.14 raeburn 137: if ($checkfail) {
1.17 ! raeburn 138: $msg .= '<h4>'.&mt('Account creation unavailable').'</h4>';
1.14 raeburn 139: if ($checkfail eq 'username') {
140: $msg .= '<span class="LC_warning">'.
1.17 ! raeburn 141: &mt('A LON-CAPA account may not be created with the username you use.').
! 142: '</span><br /><br />'.$output;
1.14 raeburn 143: } elsif ($checkfail eq 'authtoken') {
1.17 ! raeburn 144: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
! 145: '<br />'.$output;
1.14 raeburn 146: }
1.17 ! raeburn 147: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
! 148: $contact_name,$contact_email).'<br /><hr />'.
! 149: &sso_logout_frag($r,$domain);
! 150:
1.5 raeburn 151: } else {
1.17 ! raeburn 152: $msg .= '<br />'.&mt('To create one, use the table below to provide information about yourself (if appropriate), then click the "Create LON-CAPA account" button.').'<br />'.$output;
1.5 raeburn 153: }
154: } else {
1.17 ! raeburn 155: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
! 156: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
! 157: &sso_logout_frag($r,$domain);
1.5 raeburn 158: }
1.17 ! raeburn 159: $r->print($msg);
1.5 raeburn 160: $r->print(&Apache::loncommon::end_page());
161: return OK;
162: }
163:
1.4 raeburn 164: my ($output,$nostart,$noend);
1.3 raeburn 165: my $token = $env{'form.token'};
166: if ($token) {
167: ($output,$nostart,$noend) =
168: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
1.4 raeburn 169: $domdesc,$lonhost,$include,$start_page);
1.3 raeburn 170: if ($nostart) {
171: if ($noend) {
172: return OK;
173: } else {
174: $r->print($output);
175: $r->print(&Apache::loncommon::end_page());
176: return OK;
177: }
178: } else {
179: &print_header($r,$start_page);
180: $r->print($output);
181: $r->print(&Apache::loncommon::end_page());
182: return OK;
183: }
184: }
185:
186: if ($env{'form.phase'} eq 'username_activation') {
187: (my $result,$output,$nostart) =
188: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
189: $lonhost,$courseid);
190: if ($result eq 'ok') {
191: if ($nostart) {
192: return OK;
193: }
194: }
195: &print_header($r,$start_page);
196: $r->print($output);
197: $r->print(&Apache::loncommon::end_page());
198: return OK;
199: }
200:
201: &print_header($r,$start_page);
202: if ($env{'form.create_with_email'}) {
1.1 raeburn 203: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
1.5 raeburn 204: $contact_name,$contact_email,\@cancreate,
1.3 raeburn 205: $lonhost,$domconfig{'usercreation'},
206: $courseid);
1.1 raeburn 207: } elsif ($env{'form.phase'} eq 'username_validation') {
208: $output = &username_validation($env{'form.uname'},$domain,$domdesc,
1.8 raeburn 209: $contact_name,$contact_email,$courseid,
210: $lonhost);
1.3 raeburn 211: } elsif (!$token) {
1.1 raeburn 212: my $now=time;
1.5 raeburn 213: if (grep(/^login$/,@cancreate)) {
1.1 raeburn 214: my $jsh=Apache::File->new($include."/londes.js");
215: $r->print(<$jsh>);
216: $r->print(&javascript_setforms($now));
217: }
1.12 raeburn 218: if (grep(/^email$/,@cancreate)) {
219: $r->print(&javascript_validmail());
220: }
1.5 raeburn 221: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
1.3 raeburn 222: $courseid);
1.1 raeburn 223: }
224: $r->print($output);
225: $r->print(&Apache::loncommon::end_page());
226: return OK;
227: }
228:
1.3 raeburn 229: sub print_header {
230: my ($r,$start_page) = @_;
231: $r->print($start_page);
232: &Apache::lonhtmlcommon::clear_breadcrumbs();
233: &Apache::lonhtmlcommon::add_breadcrumb
234: ({href=>"/adm/createuser",
235: text=>"New username"});
236: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
237: return;
238: }
239:
240: sub validate_course {
241: my ($courseid) = @_;
242: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
243: if (($cdom ne '') && ($cnum ne '')) {
244: if (&Apache::lonnet::is_course($cdom,$cnum)) {
245: return ($courseid);
246: }
247: }
248: return;
249: }
250:
1.1 raeburn 251: sub javascript_setforms {
252: my ($now) = @_;
253: my $js = <<ENDSCRIPT;
254: <script language="JavaScript">
255: function send() {
256: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
257: uextkey=this.document.client.elements.uextkey.value;
258: lextkey=this.document.client.elements.lextkey.value;
259: initkeys();
260:
261: this.document.server.elements.upass.value
262: = crypted(this.document.client.elements.upass$now.value);
263:
264: this.document.client.elements.uname.value='';
265: this.document.client.elements.upass$now.value='';
266:
267: this.document.server.submit();
268: return false;
269: }
270: </script>
271: ENDSCRIPT
272: return $js;
273: }
274:
275: sub javascript_checkpass {
276: my ($now) = @_;
1.7 bisitz 277: my $nopass = &mt('You must enter a password.');
1.1 raeburn 278: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
279: &mt('Please try again.');
280: my $js = <<"ENDSCRIPT";
281: <script type="text/javascript" language="JavaScript">
282: function checkpass() {
283: var upass = this.document.client.elements.upass$now.value;
284: var upasscheck = this.document.client.elements.upasscheck$now.value;
285: if (upass == '') {
286: alert("$nopass");
287: return;
288: }
289: if (upass == upasscheck) {
290: this.document.client.elements.upasscheck$now.value='';
291: send();
292: return;
293: } else {
294: alert("$mismatchpass");
295: return;
296: }
297: }
298: </script>
299: ENDSCRIPT
300: return $js;
301: }
302:
1.12 raeburn 303: sub javascript_validmail {
304: my %lt = &Apache::lonlocal::texthash (
305: email => 'The e-mail address you entered',
306: notv => 'is not a valid e-mail address',
307: );
308: my $output = "\n".'<script type="text/javascript">'."\n".
309: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
310: $output .= <<"ENDSCRIPT";
311: function validate_email() {
312: field = document.createaccount.useremail;
313: if (validmail(field) == false) {
314: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
315: return false;
316: }
317: return true;
318: }
319: ENDSCRIPT
320: $output .= "\n".'</script>'."\n";
321: return $output;
322: }
323:
1.1 raeburn 324: sub print_username_form {
1.3 raeburn 325: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
1.1 raeburn 326: my %lt = &Apache::lonlocal::texthash(
327: unam => 'username',
328: udom => 'domain',
329: uemail => 'Email address in LON-CAPA',
330: proc => 'Proceed');
331: my $output;
1.5 raeburn 332: if (ref($cancreate) eq 'ARRAY') {
333: if (grep(/^login$/,@{$cancreate})) {
334: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
335: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
1.16 raeburn 336: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
337: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
1.5 raeburn 338: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
339: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
340: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
341: $lonhost);
342: $output .= &serverform($logtoken,$lonhost,undef,$courseid);
343: my $unameform = '<input type="text" name="uname" size="10" value="" />';
344: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
345: my $submit_text = &mt('Create LON-CAPA account');
346: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
347: &Apache::lonhtmlcommon::start_pick_box()."\n".
348: &Apache::lonhtmlcommon::row_title(&mt('Log-in ID'),
1.1 raeburn 349: 'LC_pick_box_title')."\n".
1.5 raeburn 350: $unameform."\n".
351: &Apache::lonhtmlcommon::row_closure(1)."\n".
352: &Apache::lonhtmlcommon::row_title(&mt('Password'),
1.1 raeburn 353: 'LC_pick_box_title')."\n".
1.5 raeburn 354: $upassform."\n".'<br /><br />'."\n".
355: '<input type="button" name="username_validation" value="'.
356: $submit_text.'" onclick="javascript:send()" />'."\n".
357: &Apache::lonhtmlcommon::row_closure(1)."\n".
358: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
359: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
360: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
361: '</form></div>';
362: }
363: }
364: if (grep(/^email$/,@{$cancreate})) {
365: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
366: if (grep(/^login$/,@{$cancreate})) {
1.9 raeburn 367: $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 368: } else {
369: $output .= '<br />';
370: }
371: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
372: my $captchaform = &create_captcha();
373: my $submit_text = &mt('Request LON-CAPA account');
1.12 raeburn 374: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
1.5 raeburn 375: &Apache::lonhtmlcommon::start_pick_box()."\n".
376: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
377: 'LC_pick_box_title')."\n".
378: $emailform."\n".
379: &Apache::lonhtmlcommon::row_closure(1).
380: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
381: 'LC_pick_box_title')."\n".
382: $captchaform."\n".'<br /><br />';
383: if ($courseid ne '') {
384: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
385: }
386: $output .= '<input type="submit" name="create_with_email" value="'.
387: $submit_text.'" />'.
388: &Apache::lonhtmlcommon::row_closure(1).
389: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
390: '</div>';
1.3 raeburn 391: }
1.1 raeburn 392: }
393: if ($output eq '') {
1.16 raeburn 394: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
1.1 raeburn 395: } else {
396: $output .= '<div class="LC_clear_float_footer"></div>';
397: }
398: return $output;
399: }
400:
401: sub process_email_request {
402: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
1.3 raeburn 403: $server,$settings,$courseid) = @_;
1.1 raeburn 404: my $useremail = $env{'form.useremail'};
405: my $output;
1.5 raeburn 406: if (ref($cancreate) eq 'ARRAY') {
407: if (!grep(/^email$/,@{$cancreate})) {
408: $output = &invalid_state('noemails',$domdesc,
409: $contact_name,$contact_email);
410: return $output;
411: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
412: $output = &invalid_state('baduseremail',$domdesc,
1.1 raeburn 413: $contact_name,$contact_email);
414: return $output;
415: } else {
1.5 raeburn 416: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
417: if ($uhome ne 'no_host') {
418: $output = &invalid_state('existinguser',$domdesc,
419: $contact_name,$contact_email);
1.1 raeburn 420: return $output;
1.5 raeburn 421: } else {
422: my $code = $env{'form.code'};
423: my $md5sum = $env{'form.crypt'};
424: my %captcha_params = &captcha_settings();
425: my $captcha = Authen::Captcha->new(
426: output_folder => $captcha_params{'output_dir'},
427: data_folder => $captcha_params{'db_dir'},
428: );
429: my $captcha_chk = $captcha->check_code($code,$md5sum);
430: my %captcha_hash = (
431: 0 => 'Code not checked (file error)',
432: -1 => 'Failed: code expired',
433: -2 => 'Failed: invalid code (not in database)',
434: -3 => 'Failed: invalid code (code does not match crypt)',
435: );
436: if ($captcha_chk != 1) {
437: $output = &invalid_state('captcha',$domdesc,$contact_name,
438: $contact_email,$captcha_hash{$captcha_chk});
439: return $output;
440: }
441: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
442: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
443: if ($uhome eq 'no_host') {
444: my $checkhash;
445: my $checks = { 'username' => 1 };
446: $checkhash->{$useremail.':'.$domain} = { 'newuser' => 1, };
447: &Apache::loncommon::user_rule_check($checkhash,$checks,
448: \%alerts,\%rulematch,\%inst_results,\%curr_rules,
449: \%got_rules);
450: if (ref($alerts{'useremail'}) eq 'HASH') {
451: if (ref($alerts{'useremail'}{$domain}) eq 'HASH') {
452: if ($alerts{'username'}{$domain}{$useremail}) {
453: $output = &invalid_state('userrules',$domdesc,
454: $contact_name,$contact_email);
455: return $output;
456: }
1.1 raeburn 457: }
458: }
1.5 raeburn 459: my $format_msg =
460: &guest_format_check($useremail,$domain,$cancreate,
461: $settings);
462: if ($format_msg) {
463: $output = &invalid_state('userformat',$domdesc,$contact_name,
464: $contact_email,$format_msg);
465: return $output;
466: }
1.1 raeburn 467: }
468: }
469: }
1.5 raeburn 470: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
471: $contact_email,$courseid);
1.1 raeburn 472: }
473: return $output;
474: }
475:
476: sub send_token {
1.3 raeburn 477: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.14 raeburn 478: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
479: &mt('Thank you for your request to create a new LON-CAPA account.').
480: '<br /><br />';
1.1 raeburn 481: my $now = time;
482: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
483: 'time' => $now,
484: 'domain' => $domain,
1.3 raeburn 485: 'username' => $email,
486: 'courseid' => $courseid);
1.1 raeburn 487: my $token = &Apache::lonnet::tmpput(\%info,$server);
488: if ($token !~ /^error/ && $token ne 'no_such_host') {
489: my $esc_token = &escape($token);
1.16 raeburn 490: 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 491: &mt('To complete this process please open a web browser and enter the following'
492: .' URL in the address/location box: [_1]'
1.9 raeburn 493: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
1.1 raeburn 494: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
495: $contact_email);
496: if ($result eq 'ok') {
497: $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>');
498: } else {
1.14 raeburn 499: $msg .= '<span class="LC_error">'.
500: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
501: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 502: }
503: } else {
1.14 raeburn 504: $msg .= '<span class="LC_error">'.
505: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
506: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 507: }
508: return $msg;
509: }
510:
511: sub process_mailtoken {
1.3 raeburn 512: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
513: $include,$start_page) = @_;
514: my ($msg,$nostart,$noend);
1.1 raeburn 515: my %data = &Apache::lonnet::tmpget($token);
516: my $now = time;
517: if (keys(%data) == 0) {
1.9 raeburn 518: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
519: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
520: .' '.&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 521: return $msg;
522: }
523: if (($data{'time'} =~ /^\d+$/) &&
524: ($data{'domain'} ne '') &&
525: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
526: if ($now - $data{'time'} < 7200) {
527: if ($env{'form.phase'} eq 'createaccount') {
1.3 raeburn 528: my ($result,$output) = &create_account($r,$domain,$lonhost,
1.1 raeburn 529: $data{'username'},$domdesc);
530: if ($result eq 'ok') {
531: $msg = $output;
1.17 ! raeburn 532: my $shownow = &Apache::lonlocal::locallocaltime($now);
1.16 raeburn 533: 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 534: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
535: $mailmsg,$contact_name,
536: $contact_email);
537: if ($mailresult eq 'ok') {
538: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
539: } else {
540: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
541: }
1.3 raeburn 542: my %form = &start_session($r,$data{'username'},$domain,
543: $lonhost,$data{'courseid'},
544: $token);
545: $nostart = 1;
546: $noend = 1;
1.1 raeburn 547: } else {
1.7 bisitz 548: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
549: .'<br />'.$output
550: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
551: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
1.1 raeburn 552: }
1.3 raeburn 553: my $delete = &Apache::lonnet::tmpdel($token);
1.1 raeburn 554: } else {
1.3 raeburn 555: $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 />';
556: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
557: $nostart = 1;
1.1 raeburn 558: }
559: } else {
1.7 bisitz 560: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
561: .' '.&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 562: }
1.1 raeburn 563: } else {
1.7 bisitz 564: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
565: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
1.1 raeburn 566: }
1.3 raeburn 567: return ($msg,$nostart,$noend);
568: }
569:
570: sub start_session {
571: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
572: my %form = (
573: uname => $username,
574: udom => $domain,
575: );
576: my $firsturl = '/adm/roles';
577: if (defined($courseid)) {
578: $courseid = &validate_course($courseid);
579: if ($courseid ne '') {
580: $form{'courseid'} = $courseid;
581: $firsturl = '/adm/selfenroll?cid='.$courseid;
582: }
583: }
584: if ($r->dir_config('lonBalancer') eq 'yes') {
585: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
586: $lonhost,'noredirect',undef,\%form);
587: my $delete = &Apache::lonnet::tmpdel($token);
588: $r->internal_redirect('/adm/switchserver');
589: } else {
590: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
591: $lonhost,$firsturl,undef,\%form);
592: }
593: return %form;
1.1 raeburn 594: }
595:
1.3 raeburn 596:
1.1 raeburn 597: sub print_dataentry_form {
1.3 raeburn 598: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
1.1 raeburn 599: my ($error,$output);
1.3 raeburn 600: &print_header($r,$start_page);
1.1 raeburn 601: if (open(my $jsh,"<$include/londes.js")) {
602: while(my $line = <$jsh>) {
603: $r->print($line);
604: }
605: close($jsh);
1.3 raeburn 606: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
1.1 raeburn 607: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
608: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
609: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
610: $lonhost);
611: my @userinfo = ('firstname','middlename','lastname','generation','id',
612: 'permanentemail');
613: my %lt=&Apache::lonlocal::texthash(
614: 'pd' => "Personal Data",
615: 'firstname' => "First Name",
616: 'middlename' => "Middle Name",
617: 'lastname' => "Last Name",
618: 'generation' => "Generation",
619: 'permanentemail' => "Permanent e-mail address",
620: 'id' => "ID/Student Number",
621: 'lg' => "Login Data"
622: );
623: my %textboxsize = (
624: firstname => '15',
625: middlename => '15',
626: lastname => '15',
627: generation => '5',
628: id => '15',
629: );
630: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
1.3 raeburn 631: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
632: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
1.1 raeburn 633: &Apache::lonhtmlcommon::start_pick_box();
634: foreach my $item (@userinfo) {
635: my $rowtitle = $lt{$item};
636: if ($item eq 'generation') {
637: $rowtitle = $genhelp.$rowtitle;
638: }
639: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
640: if ($item eq 'permanentemail') {
641: $output .= $username;
642: } else {
643: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
644: }
645: $output .= &Apache::lonhtmlcommon::row_closure(1);
646: }
647: $output .= &Apache::lonhtmlcommon::end_pick_box();
648: $output .= <<"ENDSERVERFORM";
649: <input type="hidden" name="logtoken" value="$logtoken" />
650: <input type="hidden" name="token" value="$mailtoken" />
651: <input type="hidden" name="serverid" value="$lonhost" />
652: <input type="hidden" name="uname" value="" />
653: <input type="hidden" name="upass" value="" />
654: <input type="hidden" name="phase" value="createaccount" />
655: </form></div>
656: ENDSERVERFORM
657: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
658: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
659: my $submit_text = &mt('Create LON-CAPA account');
660: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
661: '<form name="client" method="post" />'."\n".
662: &Apache::lonhtmlcommon::start_pick_box()."\n".
663: &Apache::lonhtmlcommon::row_title(&mt('Username'),
664: 'LC_pick_box_title')."\n".
665: $username."\n".
666: &Apache::lonhtmlcommon::row_closure(1)."\n".
667: &Apache::lonhtmlcommon::row_title(&mt('Password'),
668: 'LC_pick_box_title')."\n".
669: $upassone."\n".
670: &Apache::lonhtmlcommon::row_closure(1)."\n".
671: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
672: 'LC_pick_box_title')."\n".
673: $upasstwo."\n".
674: &Apache::lonhtmlcommon::row_closure(1)."\n".
675: &Apache::lonhtmlcommon::end_pick_box()."\n".
676: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
677: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
678: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
679: '</form></div>'."\n".
680: '<div class="LC_clear_float_footer"><br /><br />'."\n".
681: '<form name="buttonform">'."\n".
682: '<input type="button" name="createaccount" value="'.
683: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
684: } else {
1.7 bisitz 685: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
1.1 raeburn 686: }
1.3 raeburn 687: return $output;
1.1 raeburn 688: }
689:
690: sub create_account {
1.3 raeburn 691: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
1.1 raeburn 692: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
693: $env{'form.serverid'});
694: # Error messages
1.7 bisitz 695: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 696: my $end = '</span><br /><br />';
697: my $rtnlink = '<a href="javascript:history.back();" />'.
698: &mt('Return to previous page').'</a>'.
699: &Apache::loncommon::end_page();
700: if ($retrieved eq 'ok') {
701: if ($env{'form.cid'} ne '') {
702: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
703: if ($result eq 'fail') {
704: $output = $error.&mt('Invalid ID format').$end.
705: $userchkmsg.$rtnlink;
706: return ('fail',$output);
707: }
708: }
709: } else {
710: return ('fail',$error.$output.$end.$rtnlink);
711: }
712: # Call modifyuser
713: my $result =
714: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
715: 'internal',$upass,$env{'form.cfirstname'},
716: $env{'form.cmiddlename'},$env{'form.clastname'},
717: $env{'form.cgeneration'},undef,undef,$username);
1.7 bisitz 718: $output = &mt('Generating user: [_1]',$result);
1.1 raeburn 719: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1.7 bisitz 720: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1.1 raeburn 721: &Apache::lonnet::hostname($uhome).'<br /><br />';
722: return ('ok',$output);
723: }
724:
725: sub username_validation {
1.8 raeburn 726: my ($username,$domain,$domdesc,$contact_name,$contact_email,$courseid,$lonhost) = @_;
1.1 raeburn 727: my ($retrieved,$output,$upass);
728:
729: $username= &LONCAPA::clean_username($username);
730: $domain = &LONCAPA::clean_domain($domain);
731: my $uhome = &Apache::lonnet::homeserver($username,$domain);
732:
733: if ($uhome ne 'no_host') {
734: $output = &invalid_state('existinguser',$domdesc,
735: $contact_name,$contact_email);
736: return $output;
737: }
738: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
739: $env{'form.serverid'});
740: if ($retrieved eq 'ok') {
741: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
742: my $authok;
743: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
744: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
745: my $checkdefauth = 1;
746: $authok =
747: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
748: } else {
749: $authok = 'non_authorized';
750: }
751: if ($authok eq 'authorized') {
1.8 raeburn 752: ($output,undef) = &username_check($username,$domain,$domdesc,
753: $courseid,$lonhost,$contact_email);
1.4 raeburn 754: } else {
1.6 bisitz 755: $output = '<div class="LC_warning">'
756: .&mt('Username and/or password could not be authenticated.')
757: .'</div>'
758: .&mt('Please check the username and password.');
1.4 raeburn 759: }
760: }
761: return $output;
762: }
763:
764: sub username_check {
1.8 raeburn 765: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email) = @_;
1.4 raeburn 766: my (%rulematch,%inst_results,$newuser,%alerts,%curr_rules,%got_rules);
767: $newuser = 1;
768: my $checkhash;
769: my $checks = { 'username' => 1 };
770: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
771: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
772: \%inst_results,\%curr_rules,\%got_rules);
773: if (ref($alerts{'username'}) eq 'HASH') {
774: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
775: if ($alerts{'username'}{$domain}{$username}) {
1.5 raeburn 776: my ($userchkmsg,$checkfail);
1.4 raeburn 777: if (ref($curr_rules{$domain}) eq 'HASH') {
778: $userchkmsg =
1.17 ! raeburn 779: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
! 780: 'selfcreate').
1.4 raeburn 781: &Apache::loncommon::user_rule_formats($domain,$domdesc,
782: $curr_rules{$domain}{'username'},'username');
1.5 raeburn 783: if ($userchkmsg) {
1.8 raeburn 784: $checkfail = 'username';
1.5 raeburn 785: }
1.1 raeburn 786: }
1.5 raeburn 787: return ($userchkmsg,$checkfail);
1.1 raeburn 788: }
1.4 raeburn 789: }
790: }
791: my $submit_text = &mt('Create LON-CAPA account');
792: my $output = '<form method="post" action="/adm/createaccount">'.
793: &Apache::loncreateuser::personal_data_display($username,$domain,1,
794: undef,$inst_results{$username.':'.$domain}).
795: '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
796: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1.3 raeburn 797: '<input type="hidden" name="phase" value="username_activation" />';
1.8 raeburn 798: my $now = time;
799: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
800: 'time' => $now,
801: 'domain' => $domain,
802: 'username' => $username);
803: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
804: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
805: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
806: } else {
807: $output = &mt('An error occurred when storing a token').'<br />'.
808: &mt('You will not be able to proceed to the next stage of account creation').
809: &linkto_email_help($contact_email,$domdesc);
810: return($output,'authtoken');
811: }
1.4 raeburn 812: if ($courseid ne '') {
813: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1.1 raeburn 814: }
1.4 raeburn 815: $output .= '<input type="submit" name="newaccount" value="'.
816: $submit_text.'" /></form>';
1.5 raeburn 817: return ($output,'');
1.1 raeburn 818: }
819:
820: sub username_activation {
1.3 raeburn 821: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1.1 raeburn 822: my $output;
1.7 bisitz 823: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1.1 raeburn 824: my $end = '</span><br /><br />';
825: my $rtnlink = '<a href="javascript:history.back();" />'.
826: &mt('Return to previous page').'</a>'.
827: &Apache::loncommon::end_page();
828: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1.8 raeburn 829: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
830: my $now = time;
831: my $earlyout;
832: my $timeout = 300;
833: if (keys(%data) == 0) {
834: $output = &mt('Sorry, your authentication has expired.');
835: $earlyout = 'fail';
836: }
837: if (($data{'time'} !~ /^\d+$/) ||
838: ($data{'domain'} ne $domain) ||
839: ($data{'username'} ne $username)) {
840: $earlyout = 'fail';
841: $output = &mt('The credentials you provided could not be verified.');
842: } elsif ($now - $data{'time'} > $timeout) {
843: $earlyout = 'fail';
844: $output = &mt('Sorry, your authentication has expired.');
845: }
846: if ($earlyout ne '') {
847: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
848: return($earlyout,$output);
849: }
1.3 raeburn 850: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
851: ($domdefaults{'auth_arg_def'} ne '')) ||
852: ($domdefaults{'auth_def'} eq 'localauth')) {
1.1 raeburn 853: if ($env{'form.cid'} ne '') {
854: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
855: if ($result eq 'fail') {
856: $output = $error.&mt('Invalid ID format').$end.
857: $userchkmsg.$rtnlink;
858: return ('fail',$output);
859: }
860: }
861: # Call modifyuser
862: my $result =
863: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
864: $domdefaults{'auth_def'},
865: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
866: $env{'form.cmiddlename'},$env{'form.clastname'},
867: $env{'form.cgeneration'},undef,undef,
868: $env{'form.cpermanentemail'});
1.3 raeburn 869: if ($result eq 'ok') {
1.8 raeburn 870: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1.3 raeburn 871: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
872: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
873: my $nostart = 1;
874: return ('ok',$output,$nostart);
875: } else {
876: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
877: return ('fail',$output);
878: }
1.1 raeburn 879: } else {
1.7 bisitz 880: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1.1 raeburn 881: return('fail',$output);
882: }
883: }
884:
885: sub check_id {
886: my ($username,$domain,$domdesc) = @_;
887: # Check ID format
888: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
889: my %checks = ('id' => 1);
890: %{$checkhash{$username.':'.$domain}} = (
891: 'newuser' => 1,
892: 'id' => $env{'form.cid'},
893: );
894: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
895: \%rulematch,\%inst_results,\%curr_rules);
896: if (ref($alerts{'id'}) eq 'HASH') {
897: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
898: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
899: my $userchkmsg;
900: if (ref($curr_rules{$domain}) eq 'HASH') {
901: $userchkmsg =
902: &Apache::loncommon::instrule_disallow_msg('id',
903: $domdesc,1).
904: &Apache::loncommon::user_rule_formats($domain,
905: $domdesc,$curr_rules{$domain}{'id'},'id');
906: }
907: return ('fail',$userchkmsg);
908: }
909: }
910: }
911: return;
912: }
913:
914: sub invalid_state {
915: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1.14 raeburn 916: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1.1 raeburn 917: if ($error eq 'baduseremail') {
918: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
919: } elsif ($error eq 'existinguser') {
1.16 raeburn 920: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1.1 raeburn 921: } elsif ($error eq 'userrules') {
1.16 raeburn 922: $msg = &mt('Username rules for this LON-CAPA at this institution do not allow the e-mail address you provided to be used as a username.');
1.1 raeburn 923: } elsif ($error eq 'userformat') {
1.16 raeburn 924: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1.1 raeburn 925: } elsif ($error eq 'captcha') {
926: $msg = &mt('Validation of the code your entered failed.');
927: } elsif ($error eq 'noemails') {
1.16 raeburn 928: $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 929: }
1.14 raeburn 930: $msg .= '</span>';
1.1 raeburn 931: if ($msgtext) {
932: $msg .= '<br />'.$msgtext;
933: }
1.8 raeburn 934: $msg .= &linkto_email_help($contact_email,$domdesc);
935: return $msg;
936: }
937:
938: sub linkto_email_help {
939: my ($contact_email,$domdesc) = @_;
940: my $msg;
1.1 raeburn 941: if ($contact_email ne '') {
942: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1.17 ! raeburn 943: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1.1 raeburn 944: } else {
1.17 ! raeburn 945: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1.1 raeburn 946: }
947: return $msg;
948: }
949:
950: sub create_captcha {
951: my ($output_dir,$db_dir) = @_;
952: my %captcha_params = &captcha_settings();
953: my $captcha = Authen::Captcha->new(
954: output_folder => $captcha_params{'output_dir'},
955: data_folder => $captcha_params{'db_dir'},
956: );
957: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
958: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
959: &mt('Type in the letters/numbers shown below').' '.
960: '<input type="text" size="5" name="code" value="" /><br />'.
961: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
962: return $output;
963: }
964:
965: sub captcha_settings {
966: my %captcha_params = (
1.13 raeburn 967: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
968: www_output_dir => "/captchaspool",
969: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1.1 raeburn 970: numchars => '5',
971: );
972: return %captcha_params;
973: }
974:
975: sub getkeys {
976: my ($lkey,$ukey) = @_;
977: my $lextkey=hex($lkey);
978: if ($lextkey>2147483647) { $lextkey-=4294967296; }
979:
980: my $uextkey=hex($ukey);
981: if ($uextkey>2147483647) { $uextkey-=4294967296; }
982: return ($lextkey,$uextkey);
983: }
984:
985: sub serverform {
1.3 raeburn 986: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
1.1 raeburn 987: my $output .= <<ENDSERVERFORM;
988: <form name="server" method="post" target="_top">
989: <input type="hidden" name="logtoken" value="$logtoken" />
990: <input type="hidden" name="token" value="$mailtoken" />
991: <input type="hidden" name="serverid" value="$lonhost" />
992: <input type="hidden" name="uname" value="" />
993: <input type="hidden" name="upass" value="" />
994: <input type="hidden" name="phase" value="username_validation" />
1.3 raeburn 995: <input type="hidden" name="courseid" value="$courseid" />
1.1 raeburn 996: </form>
997: ENDSERVERFORM
998: return $output;
999: }
1000:
1001: sub process_credentials {
1002: my ($logtoken,$lonhost) = @_;
1003: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1004: my ($retrieved,$output,$upass);
1005: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1.7 bisitz 1006: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1007: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1.1 raeburn 1008: return ($retrieved,$output,$upass);
1009: } else {
1010: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1011: if ($reply eq 'ok') {
1012: $retrieved = 'ok';
1013: } else {
1014: $output = &mt('Session could not be opened.');
1015: }
1016: }
1017: my ($key,$caller)=split(/&/,$tmpinfo);
1018: if ($caller eq 'createaccount') {
1019: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1020: } else {
1021: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1022: }
1023: return ($retrieved,$output,$upass);
1024: }
1025:
1026: sub guest_format_check {
1027: my ($useremail,$domain,$cancreate,$settings) = @_;
1028: my ($login,$format_match,$format_msg,@user_rules);
1029: if (ref($settings) eq 'HASH') {
1030: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1031: push(@user_rules,@{$settings->{'email_rule'}});
1032: }
1033: }
1034: if (@user_rules > 0) {
1035: my %rule_check =
1036: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1.2 raeburn 1037: 'selfcreate',\@user_rules);
1.1 raeburn 1038: if (keys(%rule_check) > 0) {
1039: foreach my $item (keys(%rule_check)) {
1040: if ($rule_check{$item}) {
1041: $format_match = 1;
1042: last;
1043: }
1044: }
1045: }
1046: }
1047: if ($format_match) {
1048: ($login) = ($useremail =~ /^([^\@]+)\@/);
1049: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1.5 raeburn 1050: if (ref($cancreate) eq 'ARRAY') {
1051: if (grep(/^login$/,@{$cancreate})) {
1.7 bisitz 1052: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1.5 raeburn 1053: }
1.1 raeburn 1054: }
1055: }
1056: return $format_msg;
1057: }
1058:
1.17 ! raeburn 1059: sub sso_logout_frag {
! 1060: my ($r,$domain) = @_;
! 1061: my $endsessionmsg;
! 1062: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
! 1063: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
! 1064: if (-e $msgfile) {
! 1065: open(my $fh,"<$msgfile");
! 1066: $endsessionmsg = join('',<$fh>);
! 1067: close($fh);
! 1068: }
! 1069: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
! 1070: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
! 1071: if (-e $msgfile) {
! 1072: open(my $fh,"<$msgfile");
! 1073: $endsessionmsg = join('',<$fh>);
! 1074: close($fh);
! 1075: }
! 1076: }
! 1077: return $endsessionmsg;
! 1078: }
! 1079:
1.1 raeburn 1080: 1;
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