1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth
4: # or kerberos) or an e-mail address.
5: #
6: # $Id: createaccount.pm,v 1.14 2008/07/09 17:30:59 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Authen::Captcha;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: if ($sso_username ne '' && $sso_domain ne '') {
62: $domain = $sso_domain;
63: } else {
64: $domain = &Apache::lonnet::default_login_domain();
65: }
66: my $domdesc = &Apache::lonnet::domain($domain,'description');
67: my $contact_name = &mt('LON-CAPA helpdesk');
68: my $contact_email = $r->dir_config('lonSupportEMail');
69: my $lonhost = $r->dir_config('lonHostID');
70: my $include = $r->dir_config('lonIncludes');
71: my $start_page;
72:
73: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
74: &Apache::lonacc::get_posted_cgi($r);
75: &Apache::lonlocal::get_language_handle($r);
76:
77: my $handle = &Apache::lonnet::check_for_valid_session($r);
78: if ($handle ne '') {
79: $start_page =
80: &Apache::loncommon::start_page('Already logged in');
81: my $end_page =
82: &Apache::loncommon::end_page();
83: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
84: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
85: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
86: return OK;
87: }
88: $start_page =
89: &Apache::loncommon::start_page('Create a user account in LON-CAPA','',
90: {'no_inline_link' => 1,});
91: if ($env{'form.phase'} eq 'username_activation') {
92: if ($env{'form.udom'} ne '') {
93: $domain = $env{'form.udom'};
94: }
95: }
96: my @cancreate;
97: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
98: if (ref($domconfig{'usercreation'}) eq 'HASH') {
99: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
100: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
101: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
102: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
103: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
104: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
105: }
106: }
107: }
108:
109: if (@cancreate == 0) {
110: &print_header($r,$start_page);
111: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
112: '<span class="LC_warning">'.
113: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted in the domain: [_1] ([_2]).',$domain,$domdesc).'</span><br /><br />';
114: $r->print($output);
115: $r->print(&Apache::loncommon::end_page());
116: return OK;
117: }
118:
119: my $courseid;
120: if (defined($env{'form.courseid'})) {
121: $courseid = &validate_course($env{'form.courseid'});
122: }
123:
124: if ($sso_username ne '') {
125: &print_header($r,$start_page);
126: my ($output,$msg);
127: if (grep(/^sso$/,@cancreate)) {
128: $msg = '<h3>'.&mt('Account creation').'</h3>'.
129: &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account in this domain.").'<br /><br />';
130: ($output, my $checkfail) = &username_check($sso_username,$domain,
131: $domdesc,$courseid,
132: $lonhost,$contact_email);
133: if ($checkfail) {
134: if ($checkfail eq 'username') {
135: $msg .= '<span class="LC_warning">'.
136: &mt('A LON-CAPA account may not be created with the username you use.').'</span>';
137: } elsif ($checkfail eq 'authtoken') {
138: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>';
139: }
140: $msg .= '<br /><br />'.
141: &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
142: } else {
143: $msg .= &mt('To create one, use the table below to provide information about yourself (if appropriate), then click the "Create LON-CAPA account" button.');
144: }
145: } else {
146: $msg .= '<h3>'.&mt('Account creation unavailable').'</h3>'.
147: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account in this domain, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
148: }
149: $r->print('<h4>'.$msg.'</h4>'.$output);
150: $r->print(&Apache::loncommon::end_page());
151: return OK;
152: }
153:
154: my ($output,$nostart,$noend);
155: my $token = $env{'form.token'};
156: if ($token) {
157: ($output,$nostart,$noend) =
158: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
159: $domdesc,$lonhost,$include,$start_page);
160: if ($nostart) {
161: if ($noend) {
162: return OK;
163: } else {
164: $r->print($output);
165: $r->print(&Apache::loncommon::end_page());
166: return OK;
167: }
168: } else {
169: &print_header($r,$start_page);
170: $r->print($output);
171: $r->print(&Apache::loncommon::end_page());
172: return OK;
173: }
174: }
175:
176: if ($env{'form.phase'} eq 'username_activation') {
177: (my $result,$output,$nostart) =
178: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
179: $lonhost,$courseid);
180: if ($result eq 'ok') {
181: if ($nostart) {
182: return OK;
183: }
184: }
185: &print_header($r,$start_page);
186: $r->print($output);
187: $r->print(&Apache::loncommon::end_page());
188: return OK;
189: }
190:
191: &print_header($r,$start_page);
192: if ($env{'form.create_with_email'}) {
193: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
194: $contact_name,$contact_email,\@cancreate,
195: $lonhost,$domconfig{'usercreation'},
196: $courseid);
197: } elsif ($env{'form.phase'} eq 'username_validation') {
198: $output = &username_validation($env{'form.uname'},$domain,$domdesc,
199: $contact_name,$contact_email,$courseid,
200: $lonhost);
201: } elsif (!$token) {
202: my $now=time;
203: if (grep(/^login$/,@cancreate)) {
204: my $jsh=Apache::File->new($include."/londes.js");
205: $r->print(<$jsh>);
206: $r->print(&javascript_setforms($now));
207: }
208: if (grep(/^email$/,@cancreate)) {
209: $r->print(&javascript_validmail());
210: }
211: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
212: $courseid);
213: }
214: $r->print($output);
215: $r->print(&Apache::loncommon::end_page());
216: return OK;
217: }
218:
219: sub print_header {
220: my ($r,$start_page) = @_;
221: $r->print($start_page);
222: &Apache::lonhtmlcommon::clear_breadcrumbs();
223: &Apache::lonhtmlcommon::add_breadcrumb
224: ({href=>"/adm/createuser",
225: text=>"New username"});
226: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
227: return;
228: }
229:
230: sub validate_course {
231: my ($courseid) = @_;
232: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
233: if (($cdom ne '') && ($cnum ne '')) {
234: if (&Apache::lonnet::is_course($cdom,$cnum)) {
235: return ($courseid);
236: }
237: }
238: return;
239: }
240:
241: sub javascript_setforms {
242: my ($now) = @_;
243: my $js = <<ENDSCRIPT;
244: <script language="JavaScript">
245: function send() {
246: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
247: uextkey=this.document.client.elements.uextkey.value;
248: lextkey=this.document.client.elements.lextkey.value;
249: initkeys();
250:
251: this.document.server.elements.upass.value
252: = crypted(this.document.client.elements.upass$now.value);
253:
254: this.document.client.elements.uname.value='';
255: this.document.client.elements.upass$now.value='';
256:
257: this.document.server.submit();
258: return false;
259: }
260: </script>
261: ENDSCRIPT
262: return $js;
263: }
264:
265: sub javascript_checkpass {
266: my ($now) = @_;
267: my $nopass = &mt('You must enter a password.');
268: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
269: &mt('Please try again.');
270: my $js = <<"ENDSCRIPT";
271: <script type="text/javascript" language="JavaScript">
272: function checkpass() {
273: var upass = this.document.client.elements.upass$now.value;
274: var upasscheck = this.document.client.elements.upasscheck$now.value;
275: if (upass == '') {
276: alert("$nopass");
277: return;
278: }
279: if (upass == upasscheck) {
280: this.document.client.elements.upasscheck$now.value='';
281: send();
282: return;
283: } else {
284: alert("$mismatchpass");
285: return;
286: }
287: }
288: </script>
289: ENDSCRIPT
290: return $js;
291: }
292:
293: sub javascript_validmail {
294: my %lt = &Apache::lonlocal::texthash (
295: email => 'The e-mail address you entered',
296: notv => 'is not a valid e-mail address',
297: );
298: my $output = "\n".'<script type="text/javascript">'."\n".
299: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
300: $output .= <<"ENDSCRIPT";
301: function validate_email() {
302: field = document.createaccount.useremail;
303: if (validmail(field) == false) {
304: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
305: return false;
306: }
307: return true;
308: }
309: ENDSCRIPT
310: $output .= "\n".'</script>'."\n";
311: return $output;
312: }
313:
314: sub print_username_form {
315: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
316: my %lt = &Apache::lonlocal::texthash(
317: unam => 'username',
318: udom => 'domain',
319: uemail => 'Email address in LON-CAPA',
320: proc => 'Proceed');
321: my $output;
322: if (ref($cancreate) eq 'ARRAY') {
323: if (grep(/^login$/,@{$cancreate})) {
324: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
325: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
326: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by your institution').'</h3>';
327: $output .= &mt('If you already have a log-in ID at your institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
328: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
329: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
330: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
331: $lonhost);
332: $output .= &serverform($logtoken,$lonhost,undef,$courseid);
333: my $unameform = '<input type="text" name="uname" size="10" value="" />';
334: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
335: my $submit_text = &mt('Create LON-CAPA account');
336: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
337: &Apache::lonhtmlcommon::start_pick_box()."\n".
338: &Apache::lonhtmlcommon::row_title(&mt('Log-in ID'),
339: 'LC_pick_box_title')."\n".
340: $unameform."\n".
341: &Apache::lonhtmlcommon::row_closure(1)."\n".
342: &Apache::lonhtmlcommon::row_title(&mt('Password'),
343: 'LC_pick_box_title')."\n".
344: $upassform."\n".'<br /><br />'."\n".
345: '<input type="button" name="username_validation" value="'.
346: $submit_text.'" onclick="javascript:send()" />'."\n".
347: &Apache::lonhtmlcommon::row_closure(1)."\n".
348: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
349: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
350: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
351: '</form></div>';
352: }
353: }
354: if (grep(/^email$/,@{$cancreate})) {
355: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
356: if (grep(/^login$/,@{$cancreate})) {
357: $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 />';
358: } else {
359: $output .= '<br />';
360: }
361: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
362: my $captchaform = &create_captcha();
363: my $submit_text = &mt('Request LON-CAPA account');
364: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
365: &Apache::lonhtmlcommon::start_pick_box()."\n".
366: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
367: 'LC_pick_box_title')."\n".
368: $emailform."\n".
369: &Apache::lonhtmlcommon::row_closure(1).
370: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
371: 'LC_pick_box_title')."\n".
372: $captchaform."\n".'<br /><br />';
373: if ($courseid ne '') {
374: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
375: }
376: $output .= '<input type="submit" name="create_with_email" value="'.
377: $submit_text.'" />'.
378: &Apache::lonhtmlcommon::row_closure(1).
379: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
380: '</div>';
381: }
382: }
383: if ($output eq '') {
384: $output = &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as your username is not permitted in the domain: [_1] ([_2])',$domain,$domdesc);
385: } else {
386: $output .= '<div class="LC_clear_float_footer"></div>';
387: }
388: return $output;
389: }
390:
391: sub process_email_request {
392: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
393: $server,$settings,$courseid) = @_;
394: my $useremail = $env{'form.useremail'};
395: my $output;
396: if (ref($cancreate) eq 'ARRAY') {
397: if (!grep(/^email$/,@{$cancreate})) {
398: $output = &invalid_state('noemails',$domdesc,
399: $contact_name,$contact_email);
400: return $output;
401: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
402: $output = &invalid_state('baduseremail',$domdesc,
403: $contact_name,$contact_email);
404: return $output;
405: } else {
406: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
407: if ($uhome ne 'no_host') {
408: $output = &invalid_state('existinguser',$domdesc,
409: $contact_name,$contact_email);
410: return $output;
411: } else {
412: my $code = $env{'form.code'};
413: my $md5sum = $env{'form.crypt'};
414: my %captcha_params = &captcha_settings();
415: my $captcha = Authen::Captcha->new(
416: output_folder => $captcha_params{'output_dir'},
417: data_folder => $captcha_params{'db_dir'},
418: );
419: my $captcha_chk = $captcha->check_code($code,$md5sum);
420: my %captcha_hash = (
421: 0 => 'Code not checked (file error)',
422: -1 => 'Failed: code expired',
423: -2 => 'Failed: invalid code (not in database)',
424: -3 => 'Failed: invalid code (code does not match crypt)',
425: );
426: if ($captcha_chk != 1) {
427: $output = &invalid_state('captcha',$domdesc,$contact_name,
428: $contact_email,$captcha_hash{$captcha_chk});
429: return $output;
430: }
431: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
432: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
433: if ($uhome eq 'no_host') {
434: my $checkhash;
435: my $checks = { 'username' => 1 };
436: $checkhash->{$useremail.':'.$domain} = { 'newuser' => 1, };
437: &Apache::loncommon::user_rule_check($checkhash,$checks,
438: \%alerts,\%rulematch,\%inst_results,\%curr_rules,
439: \%got_rules);
440: if (ref($alerts{'useremail'}) eq 'HASH') {
441: if (ref($alerts{'useremail'}{$domain}) eq 'HASH') {
442: if ($alerts{'username'}{$domain}{$useremail}) {
443: $output = &invalid_state('userrules',$domdesc,
444: $contact_name,$contact_email);
445: return $output;
446: }
447: }
448: }
449: my $format_msg =
450: &guest_format_check($useremail,$domain,$cancreate,
451: $settings);
452: if ($format_msg) {
453: $output = &invalid_state('userformat',$domdesc,$contact_name,
454: $contact_email,$format_msg);
455: return $output;
456: }
457: }
458: }
459: }
460: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
461: $contact_email,$courseid);
462: }
463: return $output;
464: }
465:
466: sub send_token {
467: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
468: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
469: &mt('Thank you for your request to create a new LON-CAPA account.').
470: '<br /><br />';
471: my $now = time;
472: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
473: 'time' => $now,
474: 'domain' => $domain,
475: 'username' => $email,
476: 'courseid' => $courseid);
477: my $token = &Apache::lonnet::tmpput(\%info,$server);
478: if ($token !~ /^error/ && $token ne 'no_such_host') {
479: my $esc_token = &escape($token);
480: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account in the [_2] domain.',localtime(time),$domdesc).' '.
481: &mt('To complete this process please open a web browser and enter the following'
482: .' URL in the address/location box: [_1]'
483: ,&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
484: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
485: $contact_email);
486: if ($result eq 'ok') {
487: $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>');
488: } else {
489: $msg .= '<span class="LC_error">'.
490: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
491: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
492: }
493: } else {
494: $msg .= '<span class="LC_error">'.
495: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
496: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
497: }
498: return $msg;
499: }
500:
501: sub process_mailtoken {
502: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
503: $include,$start_page) = @_;
504: my ($msg,$nostart,$noend);
505: my %data = &Apache::lonnet::tmpget($token);
506: my $now = time;
507: if (keys(%data) == 0) {
508: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
509: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
510: .' '.&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>');
511: return $msg;
512: }
513: if (($data{'time'} =~ /^\d+$/) &&
514: ($data{'domain'} ne '') &&
515: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
516: if ($now - $data{'time'} < 7200) {
517: if ($env{'form.phase'} eq 'createaccount') {
518: my ($result,$output) = &create_account($r,$domain,$lonhost,
519: $data{'username'},$domdesc);
520: if ($result eq 'ok') {
521: $msg = $output;
522: my $shownow = localtime($now);
523: my $mailmsg = &mt('A LON-CAPA account in the [_1] domain has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
524: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
525: $mailmsg,$contact_name,
526: $contact_email);
527: if ($mailresult eq 'ok') {
528: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
529: } else {
530: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
531: }
532: my %form = &start_session($r,$data{'username'},$domain,
533: $lonhost,$data{'courseid'},
534: $token);
535: $nostart = 1;
536: $noend = 1;
537: } else {
538: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
539: .'<br />'.$output
540: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
541: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
542: }
543: my $delete = &Apache::lonnet::tmpdel($token);
544: } else {
545: $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 />';
546: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
547: $nostart = 1;
548: }
549: } else {
550: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
551: .' '.&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>');
552: }
553: } else {
554: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
555: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
556: }
557: return ($msg,$nostart,$noend);
558: }
559:
560: sub start_session {
561: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
562: my %form = (
563: uname => $username,
564: udom => $domain,
565: );
566: my $firsturl = '/adm/roles';
567: if (defined($courseid)) {
568: $courseid = &validate_course($courseid);
569: if ($courseid ne '') {
570: $form{'courseid'} = $courseid;
571: $firsturl = '/adm/selfenroll?cid='.$courseid;
572: }
573: }
574: if ($r->dir_config('lonBalancer') eq 'yes') {
575: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
576: $lonhost,'noredirect',undef,\%form);
577: my $delete = &Apache::lonnet::tmpdel($token);
578: $r->internal_redirect('/adm/switchserver');
579: } else {
580: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
581: $lonhost,$firsturl,undef,\%form);
582: }
583: return %form;
584: }
585:
586:
587: sub print_dataentry_form {
588: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
589: my ($error,$output);
590: &print_header($r,$start_page);
591: if (open(my $jsh,"<$include/londes.js")) {
592: while(my $line = <$jsh>) {
593: $r->print($line);
594: }
595: close($jsh);
596: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
597: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
598: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
599: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
600: $lonhost);
601: my @userinfo = ('firstname','middlename','lastname','generation','id',
602: 'permanentemail');
603: my %lt=&Apache::lonlocal::texthash(
604: 'pd' => "Personal Data",
605: 'firstname' => "First Name",
606: 'middlename' => "Middle Name",
607: 'lastname' => "Last Name",
608: 'generation' => "Generation",
609: 'permanentemail' => "Permanent e-mail address",
610: 'id' => "ID/Student Number",
611: 'lg' => "Login Data"
612: );
613: my %textboxsize = (
614: firstname => '15',
615: middlename => '15',
616: lastname => '15',
617: generation => '5',
618: id => '15',
619: );
620: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
621: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
622: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
623: &Apache::lonhtmlcommon::start_pick_box();
624: foreach my $item (@userinfo) {
625: my $rowtitle = $lt{$item};
626: if ($item eq 'generation') {
627: $rowtitle = $genhelp.$rowtitle;
628: }
629: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
630: if ($item eq 'permanentemail') {
631: $output .= $username;
632: } else {
633: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
634: }
635: $output .= &Apache::lonhtmlcommon::row_closure(1);
636: }
637: $output .= &Apache::lonhtmlcommon::end_pick_box();
638: $output .= <<"ENDSERVERFORM";
639: <input type="hidden" name="logtoken" value="$logtoken" />
640: <input type="hidden" name="token" value="$mailtoken" />
641: <input type="hidden" name="serverid" value="$lonhost" />
642: <input type="hidden" name="uname" value="" />
643: <input type="hidden" name="upass" value="" />
644: <input type="hidden" name="phase" value="createaccount" />
645: </form></div>
646: ENDSERVERFORM
647: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
648: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
649: my $submit_text = &mt('Create LON-CAPA account');
650: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
651: '<form name="client" method="post" />'."\n".
652: &Apache::lonhtmlcommon::start_pick_box()."\n".
653: &Apache::lonhtmlcommon::row_title(&mt('Username'),
654: 'LC_pick_box_title')."\n".
655: $username."\n".
656: &Apache::lonhtmlcommon::row_closure(1)."\n".
657: &Apache::lonhtmlcommon::row_title(&mt('Password'),
658: 'LC_pick_box_title')."\n".
659: $upassone."\n".
660: &Apache::lonhtmlcommon::row_closure(1)."\n".
661: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
662: 'LC_pick_box_title')."\n".
663: $upasstwo."\n".
664: &Apache::lonhtmlcommon::row_closure(1)."\n".
665: &Apache::lonhtmlcommon::end_pick_box()."\n".
666: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
667: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
668: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
669: '</form></div>'."\n".
670: '<div class="LC_clear_float_footer"><br /><br />'."\n".
671: '<form name="buttonform">'."\n".
672: '<input type="button" name="createaccount" value="'.
673: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
674: } else {
675: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
676: }
677: return $output;
678: }
679:
680: sub create_account {
681: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
682: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
683: $env{'form.serverid'});
684: # Error messages
685: my $error = '<span class="LC_error">'.&mt('Error:').' ';
686: my $end = '</span><br /><br />';
687: my $rtnlink = '<a href="javascript:history.back();" />'.
688: &mt('Return to previous page').'</a>'.
689: &Apache::loncommon::end_page();
690: if ($retrieved eq 'ok') {
691: if ($env{'form.cid'} ne '') {
692: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
693: if ($result eq 'fail') {
694: $output = $error.&mt('Invalid ID format').$end.
695: $userchkmsg.$rtnlink;
696: return ('fail',$output);
697: }
698: }
699: } else {
700: return ('fail',$error.$output.$end.$rtnlink);
701: }
702: # Call modifyuser
703: my $result =
704: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
705: 'internal',$upass,$env{'form.cfirstname'},
706: $env{'form.cmiddlename'},$env{'form.clastname'},
707: $env{'form.cgeneration'},undef,undef,$username);
708: $output = &mt('Generating user: [_1]',$result);
709: my $uhome = &Apache::lonnet::homeserver($username,$domain);
710: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
711: &Apache::lonnet::hostname($uhome).'<br /><br />';
712: return ('ok',$output);
713: }
714:
715: sub username_validation {
716: my ($username,$domain,$domdesc,$contact_name,$contact_email,$courseid,$lonhost) = @_;
717: my ($retrieved,$output,$upass);
718:
719: $username= &LONCAPA::clean_username($username);
720: $domain = &LONCAPA::clean_domain($domain);
721: my $uhome = &Apache::lonnet::homeserver($username,$domain);
722:
723: if ($uhome ne 'no_host') {
724: $output = &invalid_state('existinguser',$domdesc,
725: $contact_name,$contact_email);
726: return $output;
727: }
728: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
729: $env{'form.serverid'});
730: if ($retrieved eq 'ok') {
731: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
732: my $authok;
733: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
734: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
735: my $checkdefauth = 1;
736: $authok =
737: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
738: } else {
739: $authok = 'non_authorized';
740: }
741: if ($authok eq 'authorized') {
742: ($output,undef) = &username_check($username,$domain,$domdesc,
743: $courseid,$lonhost,$contact_email);
744: } else {
745: $output = '<div class="LC_warning">'
746: .&mt('Username and/or password could not be authenticated.')
747: .'</div>'
748: .&mt('Please check the username and password.');
749: }
750: }
751: return $output;
752: }
753:
754: sub username_check {
755: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email) = @_;
756: my (%rulematch,%inst_results,$newuser,%alerts,%curr_rules,%got_rules);
757: $newuser = 1;
758: my $checkhash;
759: my $checks = { 'username' => 1 };
760: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
761: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
762: \%inst_results,\%curr_rules,\%got_rules);
763: if (ref($alerts{'username'}) eq 'HASH') {
764: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
765: if ($alerts{'username'}{$domain}{$username}) {
766: my ($userchkmsg,$checkfail);
767: if (ref($curr_rules{$domain}) eq 'HASH') {
768: $userchkmsg =
769: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1).
770: &Apache::loncommon::user_rule_formats($domain,$domdesc,
771: $curr_rules{$domain}{'username'},'username');
772: if ($userchkmsg) {
773: $checkfail = 'username';
774: }
775: }
776: return ($userchkmsg,$checkfail);
777: }
778: }
779: }
780: my $submit_text = &mt('Create LON-CAPA account');
781: my $output = '<form method="post" action="/adm/createaccount">'.
782: &Apache::loncreateuser::personal_data_display($username,$domain,1,
783: undef,$inst_results{$username.':'.$domain}).
784: '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
785: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
786: '<input type="hidden" name="phase" value="username_activation" />';
787: my $now = time;
788: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
789: 'time' => $now,
790: 'domain' => $domain,
791: 'username' => $username);
792: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
793: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
794: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
795: } else {
796: $output = &mt('An error occurred when storing a token').'<br />'.
797: &mt('You will not be able to proceed to the next stage of account creation').
798: &linkto_email_help($contact_email,$domdesc);
799: return($output,'authtoken');
800: }
801: if ($courseid ne '') {
802: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
803: }
804: $output .= '<input type="submit" name="newaccount" value="'.
805: $submit_text.'" /></form>';
806: return ($output,'');
807: }
808:
809: sub username_activation {
810: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
811: my $output;
812: my $error = '<span class="LC_error">'.&mt('Error:').' ';
813: my $end = '</span><br /><br />';
814: my $rtnlink = '<a href="javascript:history.back();" />'.
815: &mt('Return to previous page').'</a>'.
816: &Apache::loncommon::end_page();
817: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
818: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
819: my $now = time;
820: my $earlyout;
821: my $timeout = 300;
822: if (keys(%data) == 0) {
823: $output = &mt('Sorry, your authentication has expired.');
824: $earlyout = 'fail';
825: }
826: if (($data{'time'} !~ /^\d+$/) ||
827: ($data{'domain'} ne $domain) ||
828: ($data{'username'} ne $username)) {
829: $earlyout = 'fail';
830: $output = &mt('The credentials you provided could not be verified.');
831: } elsif ($now - $data{'time'} > $timeout) {
832: $earlyout = 'fail';
833: $output = &mt('Sorry, your authentication has expired.');
834: }
835: if ($earlyout ne '') {
836: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
837: return($earlyout,$output);
838: }
839: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
840: ($domdefaults{'auth_arg_def'} ne '')) ||
841: ($domdefaults{'auth_def'} eq 'localauth')) {
842: if ($env{'form.cid'} ne '') {
843: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
844: if ($result eq 'fail') {
845: $output = $error.&mt('Invalid ID format').$end.
846: $userchkmsg.$rtnlink;
847: return ('fail',$output);
848: }
849: }
850: # Call modifyuser
851: my $result =
852: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
853: $domdefaults{'auth_def'},
854: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
855: $env{'form.cmiddlename'},$env{'form.clastname'},
856: $env{'form.cgeneration'},undef,undef,
857: $env{'form.cpermanentemail'});
858: if ($result eq 'ok') {
859: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
860: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
861: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
862: my $nostart = 1;
863: return ('ok',$output,$nostart);
864: } else {
865: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
866: return ('fail',$output);
867: }
868: } else {
869: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
870: return('fail',$output);
871: }
872: }
873:
874: sub check_id {
875: my ($username,$domain,$domdesc) = @_;
876: # Check ID format
877: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
878: my %checks = ('id' => 1);
879: %{$checkhash{$username.':'.$domain}} = (
880: 'newuser' => 1,
881: 'id' => $env{'form.cid'},
882: );
883: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
884: \%rulematch,\%inst_results,\%curr_rules);
885: if (ref($alerts{'id'}) eq 'HASH') {
886: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
887: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
888: my $userchkmsg;
889: if (ref($curr_rules{$domain}) eq 'HASH') {
890: $userchkmsg =
891: &Apache::loncommon::instrule_disallow_msg('id',
892: $domdesc,1).
893: &Apache::loncommon::user_rule_formats($domain,
894: $domdesc,$curr_rules{$domain}{'id'},'id');
895: }
896: return ('fail',$userchkmsg);
897: }
898: }
899: }
900: return;
901: }
902:
903: sub invalid_state {
904: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
905: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
906: if ($error eq 'baduseremail') {
907: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
908: } elsif ($error eq 'existinguser') {
909: $msg = &mt('The e-mail address you provided is already in use as a username in this LON-CAPA domain.');
910: } elsif ($error eq 'userrules') {
911: $msg = &mt('Username rules for this LON-CAPA domain do not allow the e-mail address you provided to be used as a username.');
912: } elsif ($error eq 'userformat') {
913: $msg = &mt('The e-mail address you provided may not be used as a username in this LON-CAPA domain.');
914: } elsif ($error eq 'captcha') {
915: $msg = &mt('Validation of the code your entered failed.');
916: } elsif ($error eq 'noemails') {
917: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted in this LON-CAPA domain.');
918: }
919: $msg .= '</span>';
920: if ($msgtext) {
921: $msg .= '<br />'.$msgtext;
922: }
923: $msg .= &linkto_email_help($contact_email,$domdesc);
924: return $msg;
925: }
926:
927: sub linkto_email_help {
928: my ($contact_email,$domdesc) = @_;
929: my $msg;
930: if ($contact_email ne '') {
931: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
932: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for the [_3] domain.','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc);
933: } else {
934: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for the [_2] domain.',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc);
935: }
936: return $msg;
937: }
938:
939: sub create_captcha {
940: my ($output_dir,$db_dir) = @_;
941: my %captcha_params = &captcha_settings();
942: my $captcha = Authen::Captcha->new(
943: output_folder => $captcha_params{'output_dir'},
944: data_folder => $captcha_params{'db_dir'},
945: );
946: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
947: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
948: &mt('Type in the letters/numbers shown below').' '.
949: '<input type="text" size="5" name="code" value="" /><br />'.
950: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
951: return $output;
952: }
953:
954: sub captcha_settings {
955: my %captcha_params = (
956: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
957: www_output_dir => "/captchaspool",
958: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
959: numchars => '5',
960: );
961: return %captcha_params;
962: }
963:
964: sub getkeys {
965: my ($lkey,$ukey) = @_;
966: my $lextkey=hex($lkey);
967: if ($lextkey>2147483647) { $lextkey-=4294967296; }
968:
969: my $uextkey=hex($ukey);
970: if ($uextkey>2147483647) { $uextkey-=4294967296; }
971: return ($lextkey,$uextkey);
972: }
973:
974: sub serverform {
975: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
976: my $output .= <<ENDSERVERFORM;
977: <form name="server" method="post" target="_top">
978: <input type="hidden" name="logtoken" value="$logtoken" />
979: <input type="hidden" name="token" value="$mailtoken" />
980: <input type="hidden" name="serverid" value="$lonhost" />
981: <input type="hidden" name="uname" value="" />
982: <input type="hidden" name="upass" value="" />
983: <input type="hidden" name="phase" value="username_validation" />
984: <input type="hidden" name="courseid" value="$courseid" />
985: </form>
986: ENDSERVERFORM
987: return $output;
988: }
989:
990: sub process_credentials {
991: my ($logtoken,$lonhost) = @_;
992: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
993: my ($retrieved,$output,$upass);
994: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
995: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
996: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
997: return ($retrieved,$output,$upass);
998: } else {
999: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1000: if ($reply eq 'ok') {
1001: $retrieved = 'ok';
1002: } else {
1003: $output = &mt('Session could not be opened.');
1004: }
1005: }
1006: my ($key,$caller)=split(/&/,$tmpinfo);
1007: if ($caller eq 'createaccount') {
1008: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1009: } else {
1010: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1011: }
1012: return ($retrieved,$output,$upass);
1013: }
1014:
1015: sub guest_format_check {
1016: my ($useremail,$domain,$cancreate,$settings) = @_;
1017: my ($login,$format_match,$format_msg,@user_rules);
1018: if (ref($settings) eq 'HASH') {
1019: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1020: push(@user_rules,@{$settings->{'email_rule'}});
1021: }
1022: }
1023: if (@user_rules > 0) {
1024: my %rule_check =
1025: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1026: 'selfcreate',\@user_rules);
1027: if (keys(%rule_check) > 0) {
1028: foreach my $item (keys(%rule_check)) {
1029: if ($rule_check{$item}) {
1030: $format_match = 1;
1031: last;
1032: }
1033: }
1034: }
1035: }
1036: if ($format_match) {
1037: ($login) = ($useremail =~ /^([^\@]+)\@/);
1038: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1039: if (ref($cancreate) eq 'ARRAY') {
1040: if (grep(/^login$/,@{$cancreate})) {
1041: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1042: }
1043: }
1044: }
1045: return $format_msg;
1046: }
1047:
1048: 1;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to createaccount.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface