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 1.6 2008/06/27 16:08:42 bisitz 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::lonlocal;
39: use Apache::lonauth;
40: use Apache::resetpw;
41: use Authen::Captcha;
42: use DynaLoader; # for Crypt::DES version
43: use Crypt::DES;
44: use LONCAPA qw(:DEFAULT :match);
45:
46: sub handler {
47: my $r = shift;
48: &Apache::loncommon::content_type($r,'text/html');
49: $r->send_http_header;
50: if ($r->header_only) {
51: return OK;
52: }
53:
54: my $domain;
55:
56: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
57: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
58:
59: if ($sso_username ne '' && $sso_domain ne '') {
60: $domain = $sso_domain;
61: } else {
62: $domain = &Apache::lonnet::default_login_domain();
63: }
64: my $domdesc = &Apache::lonnet::domain($domain,'description');
65: my $contact_name = &mt('LON-CAPA helpdesk');
66: my $contact_email = $r->dir_config('lonSupportEMail');
67: my $lonhost = $r->dir_config('lonHostID');
68: my $include = $r->dir_config('lonIncludes');
69: my $start_page;
70:
71: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
72: &Apache::lonacc::get_posted_cgi($r);
73: &Apache::lonlocal::get_language_handle($r);
74:
75: my $handle = &Apache::lonnet::check_for_valid_session($r);
76: if ($handle ne '') {
77: $start_page =
78: &Apache::loncommon::start_page('Already logged in');
79: my $end_page =
80: &Apache::loncommon::end_page();
81: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
82: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
83: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
84: return OK;
85: }
86: $start_page =
87: &Apache::loncommon::start_page('Create a user account in LON-CAPA','',
88: {'no_inline_link' => 1,});
89: if ($env{'form.phase'} eq 'username_activation') {
90: if ($env{'form.udom'} ne '') {
91: $domain = $env{'form.udom'};
92: }
93: }
94: my @cancreate;
95: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
96: if (ref($domconfig{'usercreation'}) eq 'HASH') {
97: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
98: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
99: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
100: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
101: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
102: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
103: }
104: }
105: }
106:
107: if (@cancreate == 0) {
108: &print_header($r,$start_page);
109: my $output = &mt('Creation of a new user account using an e-mail address as username or a loginID from your institution is not permitted in the domain: [_1] ([_2]).',$domain,$domdesc);
110: $r->print($output);
111: $r->print(&Apache::loncommon::end_page());
112: return OK;
113: }
114:
115: my $courseid;
116: if (defined($env{'form.courseid'})) {
117: $courseid = &validate_course($env{'form.courseid'});
118: }
119:
120: if ($sso_username ne '') {
121: &print_header($r,$start_page);
122: my ($output,$msg);
123: if (grep(/^sso$/,@cancreate)) {
124: $msg = &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account in this domain.");
125: ($output, my $checkfail) = &username_check($sso_username,$domain,$domdesc,$courseid);
126: if ($checkfail) {
127: $msg .= &mt('A LON-CAPA account may not be created with the username you use.');
128: } else {
129: $msg .= &mt('To create one, use the table below to provide information about yourself (if appropriate), then click the "Create LON-CAPA account" button.');
130: }
131: } else {
132: $msg = &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.");
133: }
134: $r->print('<h4>'.$msg.'</h4>'.$output);
135: $r->print(&Apache::loncommon::end_page());
136: return OK;
137: }
138:
139: my ($output,$nostart,$noend);
140: my $token = $env{'form.token'};
141: if ($token) {
142: ($output,$nostart,$noend) =
143: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
144: $domdesc,$lonhost,$include,$start_page);
145: if ($nostart) {
146: if ($noend) {
147: return OK;
148: } else {
149: $r->print($output);
150: $r->print(&Apache::loncommon::end_page());
151: return OK;
152: }
153: } else {
154: &print_header($r,$start_page);
155: $r->print($output);
156: $r->print(&Apache::loncommon::end_page());
157: return OK;
158: }
159: }
160:
161: if ($env{'form.phase'} eq 'username_activation') {
162: (my $result,$output,$nostart) =
163: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
164: $lonhost,$courseid);
165: if ($result eq 'ok') {
166: if ($nostart) {
167: return OK;
168: }
169: }
170: &print_header($r,$start_page);
171: $r->print($output);
172: $r->print(&Apache::loncommon::end_page());
173: return OK;
174: }
175:
176: &print_header($r,$start_page);
177: if ($env{'form.create_with_email'}) {
178: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
179: $contact_name,$contact_email,\@cancreate,
180: $lonhost,$domconfig{'usercreation'},
181: $courseid);
182: } elsif ($env{'form.phase'} eq 'username_validation') {
183: $output = &username_validation($env{'form.uname'},$domain,$domdesc,
184: $contact_name,$contact_email,$courseid);
185: } elsif (!$token) {
186: my $now=time;
187: if (grep(/^login$/,@cancreate)) {
188: my $jsh=Apache::File->new($include."/londes.js");
189: $r->print(<$jsh>);
190: $r->print(&javascript_setforms($now));
191: }
192: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
193: $courseid);
194: }
195: $r->print($output);
196: $r->print(&Apache::loncommon::end_page());
197: return OK;
198: }
199:
200: sub print_header {
201: my ($r,$start_page) = @_;
202: $r->print($start_page);
203: &Apache::lonhtmlcommon::clear_breadcrumbs();
204: &Apache::lonhtmlcommon::add_breadcrumb
205: ({href=>"/adm/createuser",
206: text=>"New username"});
207: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
208: return;
209: }
210:
211: sub validate_course {
212: my ($courseid) = @_;
213: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
214: if (($cdom ne '') && ($cnum ne '')) {
215: if (&Apache::lonnet::is_course($cdom,$cnum)) {
216: return ($courseid);
217: }
218: }
219: return;
220: }
221:
222: sub javascript_setforms {
223: my ($now) = @_;
224: my $js = <<ENDSCRIPT;
225: <script language="JavaScript">
226: function send() {
227: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
228: uextkey=this.document.client.elements.uextkey.value;
229: lextkey=this.document.client.elements.lextkey.value;
230: initkeys();
231:
232: this.document.server.elements.upass.value
233: = crypted(this.document.client.elements.upass$now.value);
234:
235: this.document.client.elements.uname.value='';
236: this.document.client.elements.upass$now.value='';
237:
238: this.document.server.submit();
239: return false;
240: }
241: </script>
242: ENDSCRIPT
243: return $js;
244: }
245:
246: sub javascript_checkpass {
247: my ($now) = @_;
248: my $nopass = &mt('You must enter a password');
249: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
250: &mt('Please try again.');
251: my $js = <<"ENDSCRIPT";
252: <script type="text/javascript" language="JavaScript">
253: function checkpass() {
254: var upass = this.document.client.elements.upass$now.value;
255: var upasscheck = this.document.client.elements.upasscheck$now.value;
256: if (upass == '') {
257: alert("$nopass");
258: return;
259: }
260: if (upass == upasscheck) {
261: this.document.client.elements.upasscheck$now.value='';
262: send();
263: return;
264: } else {
265: alert("$mismatchpass");
266: return;
267: }
268: }
269: </script>
270: ENDSCRIPT
271: return $js;
272: }
273:
274: sub print_username_form {
275: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
276: my %lt = &Apache::lonlocal::texthash(
277: unam => 'username',
278: udom => 'domain',
279: uemail => 'Email address in LON-CAPA',
280: proc => 'Proceed');
281: my $output;
282: if (ref($cancreate) eq 'ARRAY') {
283: if (grep(/^login$/,@{$cancreate})) {
284: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
285: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
286: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by your institution').'</h3>';
287: $output .= &mt('If you already have a Log-in ID at your institution, you may be able to use it[_1] for LON-CAPA.','<br />').' '.&mt('Type in your Log-in ID and password to find out.').'<br /><br />';
288: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
289: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
290: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
291: $lonhost);
292: $output .= &serverform($logtoken,$lonhost,undef,$courseid);
293: my $unameform = '<input type="text" name="uname" size="10" value="" />';
294: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
295: my $submit_text = &mt('Create LON-CAPA account');
296: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
297: &Apache::lonhtmlcommon::start_pick_box()."\n".
298: &Apache::lonhtmlcommon::row_title(&mt('Log-in ID'),
299: 'LC_pick_box_title')."\n".
300: $unameform."\n".
301: &Apache::lonhtmlcommon::row_closure(1)."\n".
302: &Apache::lonhtmlcommon::row_title(&mt('Password'),
303: 'LC_pick_box_title')."\n".
304: $upassform."\n".'<br /><br />'."\n".
305: '<input type="button" name="username_validation" value="'.
306: $submit_text.'" onclick="javascript:send()" />'."\n".
307: &Apache::lonhtmlcommon::row_closure(1)."\n".
308: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
309: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
310: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
311: '</form></div>';
312: }
313: }
314: if (grep(/^email$/,@{$cancreate})) {
315: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
316: if (grep(/^login$/,@{$cancreate})) {
317: $output .= &mt('Provide your e-mail address to request a LON-CAPA account if you do not have [_1] a log-in ID at your institution.','<br />').'<br /><br />';
318: } else {
319: $output .= '<br />';
320: }
321: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
322: my $captchaform = &create_captcha();
323: my $submit_text = &mt('Request LON-CAPA account');
324: $output .= '<form name="createaccount" method="post" onsubmit="validate_email();" action="/adm/createaccount">'.
325: &Apache::lonhtmlcommon::start_pick_box()."\n".
326: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
327: 'LC_pick_box_title')."\n".
328: $emailform."\n".
329: &Apache::lonhtmlcommon::row_closure(1).
330: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
331: 'LC_pick_box_title')."\n".
332: $captchaform."\n".'<br /><br />';
333: if ($courseid ne '') {
334: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
335: }
336: $output .= '<input type="submit" name="create_with_email" value="'.
337: $submit_text.'" />'.
338: &Apache::lonhtmlcommon::row_closure(1).
339: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
340: '</div>';
341: }
342: }
343: if ($output eq '') {
344: $output = &mt('Creation of a new user account using either an e-mail address or institutional log-in ID as your username is not permitted in the domain: [_1] ([_2])',$domain,$domdesc);
345: } else {
346: $output .= '<div class="LC_clear_float_footer"></div>';
347: }
348: return $output;
349: }
350:
351: sub process_email_request {
352: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
353: $server,$settings,$courseid) = @_;
354: my $useremail = $env{'form.useremail'};
355: my $output;
356: if (ref($cancreate) eq 'ARRAY') {
357: if (!grep(/^email$/,@{$cancreate})) {
358: $output = &invalid_state('noemails',$domdesc,
359: $contact_name,$contact_email);
360: return $output;
361: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
362: $output = &invalid_state('baduseremail',$domdesc,
363: $contact_name,$contact_email);
364: return $output;
365: } else {
366: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
367: if ($uhome ne 'no_host') {
368: $output = &invalid_state('existinguser',$domdesc,
369: $contact_name,$contact_email);
370: return $output;
371: } else {
372: my $code = $env{'form.code'};
373: my $md5sum = $env{'form.crypt'};
374: my %captcha_params = &captcha_settings();
375: my $captcha = Authen::Captcha->new(
376: output_folder => $captcha_params{'output_dir'},
377: data_folder => $captcha_params{'db_dir'},
378: );
379: my $captcha_chk = $captcha->check_code($code,$md5sum);
380: my %captcha_hash = (
381: 0 => 'Code not checked (file error)',
382: -1 => 'Failed: code expired',
383: -2 => 'Failed: invalid code (not in database)',
384: -3 => 'Failed: invalid code (code does not match crypt)',
385: );
386: if ($captcha_chk != 1) {
387: $output = &invalid_state('captcha',$domdesc,$contact_name,
388: $contact_email,$captcha_hash{$captcha_chk});
389: return $output;
390: }
391: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
392: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
393: if ($uhome eq 'no_host') {
394: my $checkhash;
395: my $checks = { 'username' => 1 };
396: $checkhash->{$useremail.':'.$domain} = { 'newuser' => 1, };
397: &Apache::loncommon::user_rule_check($checkhash,$checks,
398: \%alerts,\%rulematch,\%inst_results,\%curr_rules,
399: \%got_rules);
400: if (ref($alerts{'useremail'}) eq 'HASH') {
401: if (ref($alerts{'useremail'}{$domain}) eq 'HASH') {
402: if ($alerts{'username'}{$domain}{$useremail}) {
403: $output = &invalid_state('userrules',$domdesc,
404: $contact_name,$contact_email);
405: return $output;
406: }
407: }
408: }
409: my $format_msg =
410: &guest_format_check($useremail,$domain,$cancreate,
411: $settings);
412: if ($format_msg) {
413: $output = &invalid_state('userformat',$domdesc,$contact_name,
414: $contact_email,$format_msg);
415: return $output;
416: }
417: }
418: }
419: }
420: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
421: $contact_email,$courseid);
422: }
423: return $output;
424: }
425:
426: sub send_token {
427: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
428: my $msg = &mt('Thank you for your request to create a new LON-CAPA account.').'<br /><br />';
429: my $now = time;
430: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
431: 'time' => $now,
432: 'domain' => $domain,
433: 'username' => $email,
434: 'courseid' => $courseid);
435: my $token = &Apache::lonnet::tmpput(\%info,$server);
436: if ($token !~ /^error/ && $token ne 'no_such_host') {
437: my $esc_token = &escape($token);
438: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account in the [_2] domain.',localtime(time),$domdesc).' '.
439: &mt('To complete this process please open a web browser and enter the following ".
440: "URL in the address/location box: ').&Apache::lonnet::absolute_url()."/adm/createaccount?token=$esc_token";
441: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
442: $contact_email);
443: if ($result eq 'ok') {
444: $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>');
445: } else {
446: $msg .= &mt('An error occurred when sending a message to the e-mail address you provided. Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
447: }
448: } else {
449: $msg .= &mt('An error occurred creating a token required for the account creation process. Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
450: }
451: return $msg;
452: }
453:
454: sub process_mailtoken {
455: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
456: $include,$start_page) = @_;
457: my ($msg,$nostart,$noend);
458: my %data = &Apache::lonnet::tmpget($token);
459: my $now = time;
460: if (keys(%data) == 0) {
461: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a <a href="/adm/createaccount">new request</a> for account creation and follow the link to the new URL included in the e-mail that will be sent to you.');
462: return $msg;
463: }
464: if (($data{'time'} =~ /^\d+$/) &&
465: ($data{'domain'} ne '') &&
466: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
467: if ($now - $data{'time'} < 7200) {
468: if ($env{'form.phase'} eq 'createaccount') {
469: my ($result,$output) = &create_account($r,$domain,$lonhost,
470: $data{'username'},$domdesc);
471: if ($result eq 'ok') {
472: $msg = $output;
473: my $shownow = localtime($now);
474: 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";
475: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
476: $mailmsg,$contact_name,
477: $contact_email);
478: if ($mailresult eq 'ok') {
479: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
480: } else {
481: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
482: }
483: my %form = &start_session($r,$data{'username'},$domain,
484: $lonhost,$data{'courseid'},
485: $token);
486: $nostart = 1;
487: $noend = 1;
488: } else {
489: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account').'<br />'.$output.&mt('Please contact the [_1] - (<a href="mailto:[_2]">[_2]</a>) for assistance.',$contact_name,$contact_email);
490: }
491: my $delete = &Apache::lonnet::tmpdel($token);
492: } else {
493: $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 />';
494: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
495: $nostart = 1;
496: }
497: } else {
498: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired. Please submit a <a href="/adm/createaccount">new request</a>, and follow the link to the web page included in the new e-mail that will be sent to you, to allow you to create the account.');
499: }
500: } else {
501: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information. Please submit a <a href="/adm/createaccount">new request</a> for creation of an account, and use the new URL that will be sent to your e-mail address to complete the process.');
502: }
503: return ($msg,$nostart,$noend);
504: }
505:
506: sub start_session {
507: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
508: my %form = (
509: uname => $username,
510: udom => $domain,
511: );
512: my $firsturl = '/adm/roles';
513: if (defined($courseid)) {
514: $courseid = &validate_course($courseid);
515: if ($courseid ne '') {
516: $form{'courseid'} = $courseid;
517: $firsturl = '/adm/selfenroll?cid='.$courseid;
518: }
519: }
520: if ($r->dir_config('lonBalancer') eq 'yes') {
521: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
522: $lonhost,'noredirect',undef,\%form);
523: my $delete = &Apache::lonnet::tmpdel($token);
524: $r->internal_redirect('/adm/switchserver');
525: } else {
526: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
527: $lonhost,$firsturl,undef,\%form);
528: }
529: return %form;
530: }
531:
532:
533: sub print_dataentry_form {
534: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
535: my ($error,$output);
536: &print_header($r,$start_page);
537: if (open(my $jsh,"<$include/londes.js")) {
538: while(my $line = <$jsh>) {
539: $r->print($line);
540: }
541: close($jsh);
542: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
543: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
544: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
545: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
546: $lonhost);
547: my @userinfo = ('firstname','middlename','lastname','generation','id',
548: 'permanentemail');
549: my %lt=&Apache::lonlocal::texthash(
550: 'pd' => "Personal Data",
551: 'firstname' => "First Name",
552: 'middlename' => "Middle Name",
553: 'lastname' => "Last Name",
554: 'generation' => "Generation",
555: 'permanentemail' => "Permanent e-mail address",
556: 'id' => "ID/Student Number",
557: 'lg' => "Login Data"
558: );
559: my %textboxsize = (
560: firstname => '15',
561: middlename => '15',
562: lastname => '15',
563: generation => '5',
564: id => '15',
565: );
566: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
567: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
568: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
569: &Apache::lonhtmlcommon::start_pick_box();
570: foreach my $item (@userinfo) {
571: my $rowtitle = $lt{$item};
572: if ($item eq 'generation') {
573: $rowtitle = $genhelp.$rowtitle;
574: }
575: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
576: if ($item eq 'permanentemail') {
577: $output .= $username;
578: } else {
579: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
580: }
581: $output .= &Apache::lonhtmlcommon::row_closure(1);
582: }
583: $output .= &Apache::lonhtmlcommon::end_pick_box();
584: $output .= <<"ENDSERVERFORM";
585: <input type="hidden" name="logtoken" value="$logtoken" />
586: <input type="hidden" name="token" value="$mailtoken" />
587: <input type="hidden" name="serverid" value="$lonhost" />
588: <input type="hidden" name="uname" value="" />
589: <input type="hidden" name="upass" value="" />
590: <input type="hidden" name="phase" value="createaccount" />
591: </form></div>
592: ENDSERVERFORM
593: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
594: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
595: my $submit_text = &mt('Create LON-CAPA account');
596: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
597: '<form name="client" method="post" />'."\n".
598: &Apache::lonhtmlcommon::start_pick_box()."\n".
599: &Apache::lonhtmlcommon::row_title(&mt('Username'),
600: 'LC_pick_box_title')."\n".
601: $username."\n".
602: &Apache::lonhtmlcommon::row_closure(1)."\n".
603: &Apache::lonhtmlcommon::row_title(&mt('Password'),
604: 'LC_pick_box_title')."\n".
605: $upassone."\n".
606: &Apache::lonhtmlcommon::row_closure(1)."\n".
607: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
608: 'LC_pick_box_title')."\n".
609: $upasstwo."\n".
610: &Apache::lonhtmlcommon::row_closure(1)."\n".
611: &Apache::lonhtmlcommon::end_pick_box()."\n".
612: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
613: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
614: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
615: '</form></div>'."\n".
616: '<div class="LC_clear_float_footer"><br /><br />'."\n".
617: '<form name="buttonform">'."\n".
618: '<input type="button" name="createaccount" value="'.
619: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
620: } else {
621: $output = &mt('Could not load javascript file [_1]','londes.js');
622: }
623: return $output;
624: }
625:
626: sub create_account {
627: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
628: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
629: $env{'form.serverid'});
630: # Error messages
631: my $error = '<span class="LC_error">'.&mt('Error').': ';
632: my $end = '</span><br /><br />';
633: my $rtnlink = '<a href="javascript:history.back();" />'.
634: &mt('Return to previous page').'</a>'.
635: &Apache::loncommon::end_page();
636: if ($retrieved eq 'ok') {
637: if ($env{'form.cid'} ne '') {
638: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
639: if ($result eq 'fail') {
640: $output = $error.&mt('Invalid ID format').$end.
641: $userchkmsg.$rtnlink;
642: return ('fail',$output);
643: }
644: }
645: } else {
646: return ('fail',$error.$output.$end.$rtnlink);
647: }
648: # Call modifyuser
649: my $result =
650: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
651: 'internal',$upass,$env{'form.cfirstname'},
652: $env{'form.cmiddlename'},$env{'form.clastname'},
653: $env{'form.cgeneration'},undef,undef,$username);
654: $output = &mt('Generating user').': '.$result;
655: my $uhome = &Apache::lonnet::homeserver($username,$domain);
656: $output .= '<br />'.&mt('Home server').': '.$uhome.' '.
657: &Apache::lonnet::hostname($uhome).'<br /><br />';
658: return ('ok',$output);
659: }
660:
661: sub username_validation {
662: my ($username,$domain,$domdesc,$contact_name,$contact_email,$courseid) = @_;
663: my ($retrieved,$output,$upass);
664:
665: $username= &LONCAPA::clean_username($username);
666: $domain = &LONCAPA::clean_domain($domain);
667: my $uhome = &Apache::lonnet::homeserver($username,$domain);
668:
669: if ($uhome ne 'no_host') {
670: $output = &invalid_state('existinguser',$domdesc,
671: $contact_name,$contact_email);
672: return $output;
673: }
674: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
675: $env{'form.serverid'});
676: if ($retrieved eq 'ok') {
677: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
678: my $authok;
679: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
680: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
681: my $checkdefauth = 1;
682: $authok =
683: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
684: } else {
685: $authok = 'non_authorized';
686: }
687: if ($authok eq 'authorized') {
688: ($output,undef) = &username_check($username,$domain,$domdesc,$courseid);
689: } else {
690: $output = '<div class="LC_warning">'
691: .&mt('Username and/or password could not be authenticated.')
692: .'</div>'
693: .&mt('Please check the username and password.');
694: }
695: }
696: return $output;
697: }
698:
699: sub username_check {
700: my ($username,$domain,$domdesc,$courseid) = @_;
701: my (%rulematch,%inst_results,$newuser,%alerts,%curr_rules,%got_rules);
702: $newuser = 1;
703: my $checkhash;
704: my $checks = { 'username' => 1 };
705: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
706: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
707: \%inst_results,\%curr_rules,\%got_rules);
708: if (ref($alerts{'username'}) eq 'HASH') {
709: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
710: if ($alerts{'username'}{$domain}{$username}) {
711: my ($userchkmsg,$checkfail);
712: if (ref($curr_rules{$domain}) eq 'HASH') {
713: $userchkmsg =
714: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1).
715: &Apache::loncommon::user_rule_formats($domain,$domdesc,
716: $curr_rules{$domain}{'username'},'username');
717: if ($userchkmsg) {
718: $checkfail = 1;
719: }
720: }
721: return ($userchkmsg,$checkfail);
722: }
723: }
724: }
725: my $submit_text = &mt('Create LON-CAPA account');
726: # FIXME need a cookie to confirm credentials were validated.
727: my $output = '<form method="post" action="/adm/createaccount">'.
728: &Apache::loncreateuser::personal_data_display($username,$domain,1,
729: undef,$inst_results{$username.':'.$domain}).
730: '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
731: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
732: '<input type="hidden" name="phase" value="username_activation" />';
733: if ($courseid ne '') {
734: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
735: }
736: $output .= '<input type="submit" name="newaccount" value="'.
737: $submit_text.'" /></form>';
738: return ($output,'');
739: }
740:
741: sub username_activation {
742: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
743: my $output;
744: my $error = '<span class="LC_error">'.&mt('Error').': ';
745: my $end = '</span><br /><br />';
746: my $rtnlink = '<a href="javascript:history.back();" />'.
747: &mt('Return to previous page').'</a>'.
748: &Apache::loncommon::end_page();
749: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
750: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
751: ($domdefaults{'auth_arg_def'} ne '')) ||
752: ($domdefaults{'auth_def'} eq 'localauth')) {
753: if ($env{'form.cid'} ne '') {
754: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
755: if ($result eq 'fail') {
756: $output = $error.&mt('Invalid ID format').$end.
757: $userchkmsg.$rtnlink;
758: return ('fail',$output);
759: }
760: }
761: # Call modifyuser
762: my $result =
763: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
764: $domdefaults{'auth_def'},
765: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
766: $env{'form.cmiddlename'},$env{'form.clastname'},
767: $env{'form.cgeneration'},undef,undef,
768: $env{'form.cpermanentemail'});
769: if ($result eq 'ok') {
770: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
771: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
772: my $nostart = 1;
773: return ('ok',$output,$nostart);
774: } else {
775: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
776: return ('fail',$output);
777: }
778: } else {
779: $output = &mt("User account creation is not available for the current default authentication type.\n");
780: return('fail',$output);
781: }
782: }
783:
784: sub check_id {
785: my ($username,$domain,$domdesc) = @_;
786: # Check ID format
787: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
788: my %checks = ('id' => 1);
789: %{$checkhash{$username.':'.$domain}} = (
790: 'newuser' => 1,
791: 'id' => $env{'form.cid'},
792: );
793: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
794: \%rulematch,\%inst_results,\%curr_rules);
795: if (ref($alerts{'id'}) eq 'HASH') {
796: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
797: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
798: my $userchkmsg;
799: if (ref($curr_rules{$domain}) eq 'HASH') {
800: $userchkmsg =
801: &Apache::loncommon::instrule_disallow_msg('id',
802: $domdesc,1).
803: &Apache::loncommon::user_rule_formats($domain,
804: $domdesc,$curr_rules{$domain}{'id'},'id');
805: }
806: return ('fail',$userchkmsg);
807: }
808: }
809: }
810: return;
811: }
812:
813: sub invalid_state {
814: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
815: my $msg;
816: if ($error eq 'baduseremail') {
817: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
818: } elsif ($error eq 'existinguser') {
819: $msg = &mt('The e-mail address you provided is already in use as a username in this LON-CAPA domain.');
820: } elsif ($error eq 'userrules') {
821: $msg = &mt('Username rules for this LON-CAPA domain do not allow the e-mail address you provided to be used as a username.');
822: } elsif ($error eq 'userformat') {
823: $msg = &mt('The e-mail address you provided may not be used as a username in this LON-CAPA domain.');
824: } elsif ($error eq 'captcha') {
825: $msg = &mt('Validation of the code your entered failed.');
826: } elsif ($error eq 'noemails') {
827: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted in this LON-CAPA domain.');
828: }
829: if ($msgtext) {
830: $msg .= '<br />'.$msgtext;
831: }
832: if ($contact_email ne '') {
833: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
834: $msg .= '<br />'.&mt(' You may wish to contact the <a href="/adm/helpdesk?origurl=[_1]">LON-CAPA helpdesk</a> for the [_2] domain.',$escuri,$domdesc);
835: } else {
836: $msg .= '<br />'.&mt(' You may wish to send an e-mail to the server administrator: [_1] for the [_2] domain.',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc);
837: }
838: return $msg;
839: }
840:
841: sub create_captcha {
842: my ($output_dir,$db_dir) = @_;
843: my %captcha_params = &captcha_settings();
844: my $captcha = Authen::Captcha->new(
845: output_folder => $captcha_params{'output_dir'},
846: data_folder => $captcha_params{'db_dir'},
847: );
848: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
849: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
850: &mt('Type in the letters/numbers shown below').' '.
851: '<input type="text" size="5" name="code" value="" /><br />'.
852: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
853: return $output;
854: }
855:
856: sub captcha_settings {
857: my %captcha_params = (
858: output_dir => "/home/httpd/html/captcha",
859: www_output_dir => "/captcha",
860: db_dir => "/home/www/captchadb",
861: numchars => '5',
862: );
863: return %captcha_params;
864: }
865:
866: sub getkeys {
867: my ($lkey,$ukey) = @_;
868: my $lextkey=hex($lkey);
869: if ($lextkey>2147483647) { $lextkey-=4294967296; }
870:
871: my $uextkey=hex($ukey);
872: if ($uextkey>2147483647) { $uextkey-=4294967296; }
873: return ($lextkey,$uextkey);
874: }
875:
876: sub serverform {
877: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
878: my $output .= <<ENDSERVERFORM;
879: <form name="server" method="post" target="_top">
880: <input type="hidden" name="logtoken" value="$logtoken" />
881: <input type="hidden" name="token" value="$mailtoken" />
882: <input type="hidden" name="serverid" value="$lonhost" />
883: <input type="hidden" name="uname" value="" />
884: <input type="hidden" name="upass" value="" />
885: <input type="hidden" name="phase" value="username_validation" />
886: <input type="hidden" name="courseid" value="$courseid" />
887: </form>
888: ENDSERVERFORM
889: return $output;
890: }
891:
892: sub process_credentials {
893: my ($logtoken,$lonhost) = @_;
894: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
895: my ($retrieved,$output,$upass);
896: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
897: $output = &mt('Information needed to retrieve your log-in information is missing, inaccessible or expired.').'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
898: return ($retrieved,$output,$upass);
899: } else {
900: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
901: if ($reply eq 'ok') {
902: $retrieved = 'ok';
903: } else {
904: $output = &mt('Session could not be opened.');
905: }
906: }
907: my ($key,$caller)=split(/&/,$tmpinfo);
908: if ($caller eq 'createaccount') {
909: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
910: } else {
911: $output = &mt('Unable to retrieve your log-in information - unexpected context');
912: }
913: return ($retrieved,$output,$upass);
914: }
915:
916: sub guest_format_check {
917: my ($useremail,$domain,$cancreate,$settings) = @_;
918: my ($login,$format_match,$format_msg,@user_rules);
919: if (ref($settings) eq 'HASH') {
920: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
921: push(@user_rules,@{$settings->{'email_rule'}});
922: }
923: }
924: if (@user_rules > 0) {
925: my %rule_check =
926: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
927: 'selfcreate',\@user_rules);
928: if (keys(%rule_check) > 0) {
929: foreach my $item (keys(%rule_check)) {
930: if ($rule_check{$item}) {
931: $format_match = 1;
932: last;
933: }
934: }
935: }
936: }
937: if ($format_match) {
938: ($login) = ($useremail =~ /^([^\@]+)\@/);
939: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
940: if (ref($cancreate) eq 'ARRAY') {
941: if (grep(/^login$/,@{$cancreate})) {
942: $format_msg .= &mt('You should request creation of a LON-CAPA account for a Log-in ID of "[_1]" at your institution instead.',$login).'<br />';
943: }
944: }
945: }
946: return $format_msg;
947: }
948:
949: 1;
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