Annotation of loncom/interface/createaccount.pm, revision 1.5
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: #
1.5 ! raeburn 6: # $Id: createaccount.pm,v 1.4 2008/03/24 05:15:14 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;
38: use Apache::lonlocal;
1.3 raeburn 39: use Apache::lonauth;
1.1 raeburn 40: use Apache::resetpw;
41: use Authen::Captcha;
42: use DynaLoader; # for Crypt::DES version
43: use Crypt::DES;
1.3 raeburn 44: use LONCAPA qw(:DEFAULT :match);
1.1 raeburn 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: }
1.5 ! raeburn 53:
! 54: my $domain;
1.3 raeburn 55:
1.5 ! raeburn 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: }
1.1 raeburn 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');
1.4 raeburn 69: my $start_page;
1.3 raeburn 70:
71: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
1.1 raeburn 72: &Apache::lonacc::get_posted_cgi($r);
73: &Apache::lonlocal::get_language_handle($r);
1.3 raeburn 74:
75: my $handle = &Apache::lonnet::check_for_valid_session($r);
76: if ($handle ne '') {
1.4 raeburn 77: $start_page =
1.3 raeburn 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('Problems?').'</a></p>'.$end_page);
84: return OK;
85: }
1.4 raeburn 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 = $env{'form.udom'};
92: }
93: }
1.5 ! raeburn 94: my @cancreate;
1.1 raeburn 95: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
96: if (ref($domconfig{'usercreation'}) eq 'HASH') {
1.3 raeburn 97: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
1.5 ! raeburn 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 = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
1.1 raeburn 103: }
104: }
105: }
1.3 raeburn 106:
1.5 ! raeburn 107: if (@cancreate == 0) {
1.3 raeburn 108: &print_header($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:
1.5 ! raeburn 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: $r->print(&Apache::loncommon::end_page());
! 136: return OK;
! 137: }
! 138:
1.4 raeburn 139: my ($output,$nostart,$noend);
1.3 raeburn 140: my $token = $env{'form.token'};
141: if ($token) {
142: ($output,$nostart,$noend) =
143: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
1.4 raeburn 144: $domdesc,$lonhost,$include,$start_page);
1.3 raeburn 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'}) {
1.1 raeburn 178: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
1.5 ! raeburn 179: $contact_name,$contact_email,\@cancreate,
1.3 raeburn 180: $lonhost,$domconfig{'usercreation'},
181: $courseid);
1.1 raeburn 182: } elsif ($env{'form.phase'} eq 'username_validation') {
183: $output = &username_validation($env{'form.uname'},$domain,$domdesc,
1.3 raeburn 184: $contact_name,$contact_email,$courseid);
185: } elsif (!$token) {
1.1 raeburn 186: my $now=time;
1.5 ! raeburn 187: if (grep(/^login$/,@cancreate)) {
1.1 raeburn 188: my $jsh=Apache::File->new($include."/londes.js");
189: $r->print(<$jsh>);
190: $r->print(&javascript_setforms($now));
191: }
1.5 ! raeburn 192: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
1.3 raeburn 193: $courseid);
1.1 raeburn 194: }
195: $r->print($output);
196: $r->print(&Apache::loncommon::end_page());
197: return OK;
198: }
199:
1.3 raeburn 200: sub print_header {
201: my ($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 ($courseid);
217: }
218: }
219: return;
220: }
221:
1.1 raeburn 222: sub javascript_setforms {
223: my ($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 $js;
272: }
273:
274: sub print_username_form {
1.3 raeburn 275: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
1.1 raeburn 276: my %lt = &Apache::lonlocal::texthash(
277: unam => 'username',
278: udom => 'domain',
279: uemail => 'Email address in LON-CAPA',
280: proc => 'Proceed');
281: my $output;
1.5 ! raeburn 282: if (ref($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'),
1.1 raeburn 299: 'LC_pick_box_title')."\n".
1.5 ! raeburn 300: $unameform."\n".
! 301: &Apache::lonhtmlcommon::row_closure(1)."\n".
! 302: &Apache::lonhtmlcommon::row_title(&mt('Password'),
1.1 raeburn 303: 'LC_pick_box_title')."\n".
1.5 ! raeburn 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: $submit_text.'" />'.
! 338: &Apache::lonhtmlcommon::row_closure(1).
! 339: &Apache::lonhtmlcommon::end_pick_box().'<br /><br /></form>'.
! 340: '</div>';
1.3 raeburn 341: }
1.1 raeburn 342: }
343: if ($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,
1.3 raeburn 353: $server,$settings,$courseid) = @_;
1.1 raeburn 354: my $useremail = $env{'form.useremail'};
355: my $output;
1.5 ! raeburn 356: if (ref($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,
1.1 raeburn 363: $contact_name,$contact_email);
364: return $output;
365: } else {
1.5 ! raeburn 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);
1.1 raeburn 370: return $output;
1.5 ! raeburn 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: }
1.1 raeburn 407: }
408: }
1.5 ! raeburn 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: }
1.1 raeburn 417: }
418: }
419: }
1.5 ! raeburn 420: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
! 421: $contact_email,$courseid);
1.1 raeburn 422: }
423: return $output;
424: }
425:
426: sub send_token {
1.3 raeburn 427: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.1 raeburn 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,
1.3 raeburn 433: 'username' => $email,
434: 'courseid' => $courseid);
1.1 raeburn 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 $msg;
452: }
453:
454: sub process_mailtoken {
1.3 raeburn 455: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
456: $include,$start_page) = @_;
457: my ($msg,$nostart,$noend);
1.1 raeburn 458: my %data = &Apache::lonnet::tmpget($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') {
1.3 raeburn 469: my ($result,$output) = &create_account($r,$domain,$lonhost,
1.1 raeburn 470: $data{'username'},$domdesc);
471: if ($result eq 'ok') {
472: $msg = $output;
1.4 raeburn 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";
1.1 raeburn 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: }
1.3 raeburn 483: my %form = &start_session($r,$data{'username'},$domain,
484: $lonhost,$data{'courseid'},
485: $token);
486: $nostart = 1;
487: $noend = 1;
1.1 raeburn 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: }
1.3 raeburn 491: my $delete = &Apache::lonnet::tmpdel($token);
1.1 raeburn 492: } else {
1.3 raeburn 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;
1.1 raeburn 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.');
1.4 raeburn 499: }
1.1 raeburn 500: } else {
1.4 raeburn 501: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information. Please submit a <a href="/adm/createaccount">new request</a> for creation of an account, and use the new URL that will be sent to your e-mail address to complete the process.');
1.1 raeburn 502: }
1.3 raeburn 503: return ($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;
1.1 raeburn 530: }
531:
1.3 raeburn 532:
1.1 raeburn 533: sub print_dataentry_form {
1.3 raeburn 534: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
1.1 raeburn 535: my ($error,$output);
1.3 raeburn 536: &print_header($r,$start_page);
1.1 raeburn 537: if (open(my $jsh,"<$include/londes.js")) {
538: while(my $line = <$jsh>) {
539: $r->print($line);
540: }
541: close($jsh);
1.3 raeburn 542: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
1.1 raeburn 543: my ($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');
1.3 raeburn 567: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
568: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
1.1 raeburn 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 {
1.3 raeburn 621: $output = &mt('Could not load javascript file [_1]','londes.js');
1.1 raeburn 622: }
1.3 raeburn 623: return $output;
1.1 raeburn 624: }
625:
626: sub create_account {
1.3 raeburn 627: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
1.1 raeburn 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 {
1.3 raeburn 662: my ($username,$domain,$domdesc,$contact_name,$contact_email,$courseid) = @_;
1.1 raeburn 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') {
1.5 ! raeburn 688: ($output,undef) = &username_check($username,$domain,$domdesc,$courseid);
1.4 raeburn 689: } else {
690: $output = &mt('Not authenticated').' '.&mt('Please check the username and password');
691: }
692: }
693: return $output;
694: }
695:
696: sub username_check {
697: my ($username,$domain,$domdesc,$courseid) = @_;
698: my (%rulematch,%inst_results,$newuser,%alerts,%curr_rules,%got_rules);
699: $newuser = 1;
700: my $checkhash;
701: my $checks = { 'username' => 1 };
702: $checkhash->{$username.':'.$domain} = { 'newuser' => $newuser };
703: &Apache::loncommon::user_rule_check($checkhash,$checks,\%alerts,\%rulematch,
704: \%inst_results,\%curr_rules,\%got_rules);
705: if (ref($alerts{'username'}) eq 'HASH') {
706: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
707: if ($alerts{'username'}{$domain}{$username}) {
1.5 ! raeburn 708: my ($userchkmsg,$checkfail);
1.4 raeburn 709: if (ref($curr_rules{$domain}) eq 'HASH') {
710: $userchkmsg =
711: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1).
712: &Apache::loncommon::user_rule_formats($domain,$domdesc,
713: $curr_rules{$domain}{'username'},'username');
1.5 ! raeburn 714: if ($userchkmsg) {
! 715: $checkfail = 1;
! 716: }
1.1 raeburn 717: }
1.5 ! raeburn 718: return ($userchkmsg,$checkfail);
1.1 raeburn 719: }
1.4 raeburn 720: }
721: }
722: my $submit_text = &mt('Create LON-CAPA account');
723: # FIXME need a cookie to confirm credentials were validated.
724: my $output = '<form method="post" action="/adm/createaccount">'.
725: &Apache::loncreateuser::personal_data_display($username,$domain,1,
726: undef,$inst_results{$username.':'.$domain}).
727: '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
728: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1.3 raeburn 729: '<input type="hidden" name="phase" value="username_activation" />';
1.4 raeburn 730: if ($courseid ne '') {
731: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1.1 raeburn 732: }
1.4 raeburn 733: $output .= '<input type="submit" name="newaccount" value="'.
734: $submit_text.'" /></form>';
1.5 ! raeburn 735: return ($output,'');
1.1 raeburn 736: }
737:
738: sub username_activation {
1.3 raeburn 739: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1.1 raeburn 740: my $output;
741: my $error = '<span class="LC_error">'.&mt('Error').': ';
742: my $end = '</span><br /><br />';
743: my $rtnlink = '<a href="javascript:history.back();" />'.
744: &mt('Return to previous page').'</a>'.
745: &Apache::loncommon::end_page();
746: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1.3 raeburn 747: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
748: ($domdefaults{'auth_arg_def'} ne '')) ||
749: ($domdefaults{'auth_def'} eq 'localauth')) {
1.1 raeburn 750: if ($env{'form.cid'} ne '') {
751: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
752: if ($result eq 'fail') {
753: $output = $error.&mt('Invalid ID format').$end.
754: $userchkmsg.$rtnlink;
755: return ('fail',$output);
756: }
757: }
758: # Call modifyuser
759: my $result =
760: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
761: $domdefaults{'auth_def'},
762: $domdefaults{'auth_arg_def'},$env{'form.cfirstname'},
763: $env{'form.cmiddlename'},$env{'form.clastname'},
764: $env{'form.cgeneration'},undef,undef,
765: $env{'form.cpermanentemail'});
1.3 raeburn 766: if ($result eq 'ok') {
767: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
768: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
769: my $nostart = 1;
770: return ('ok',$output,$nostart);
771: } else {
772: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
773: return ('fail',$output);
774: }
1.1 raeburn 775: } else {
776: $output = &mt("User account creation is not available for the current default authentication type.\n");
777: return('fail',$output);
778: }
779: }
780:
781: sub check_id {
782: my ($username,$domain,$domdesc) = @_;
783: # Check ID format
784: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
785: my %checks = ('id' => 1);
786: %{$checkhash{$username.':'.$domain}} = (
787: 'newuser' => 1,
788: 'id' => $env{'form.cid'},
789: );
790: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
791: \%rulematch,\%inst_results,\%curr_rules);
792: if (ref($alerts{'id'}) eq 'HASH') {
793: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
794: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
795: my $userchkmsg;
796: if (ref($curr_rules{$domain}) eq 'HASH') {
797: $userchkmsg =
798: &Apache::loncommon::instrule_disallow_msg('id',
799: $domdesc,1).
800: &Apache::loncommon::user_rule_formats($domain,
801: $domdesc,$curr_rules{$domain}{'id'},'id');
802: }
803: return ('fail',$userchkmsg);
804: }
805: }
806: }
807: return;
808: }
809:
810: sub invalid_state {
811: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
812: my $msg;
813: if ($error eq 'baduseremail') {
814: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
815: } elsif ($error eq 'existinguser') {
816: $msg = &mt('The e-mail address you provided is already in use as a username in this LON-CAPA domain.');
817: } elsif ($error eq 'userrules') {
818: $msg = &mt('Username rules for this LON-CAPA domain do not allow the e-mail address you provided to be used as a username.');
819: } elsif ($error eq 'userformat') {
820: $msg = &mt('The e-mail address you provided may not be used as a username in this LON-CAPA domain.');
821: } elsif ($error eq 'captcha') {
822: $msg = &mt('Validation of the code your entered failed.');
823: } elsif ($error eq 'noemails') {
824: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted in this LON-CAPA domain.');
825: }
826: if ($msgtext) {
827: $msg .= '<br />'.$msgtext;
828: }
829: if ($contact_email ne '') {
830: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
831: $msg .= '<br />'.&mt(' You may wish to contact the <a href="/adm/helpdesk?origurl=[_1]">LON-CAPA helpdesk</a> for the [_2] domain.',$escuri,$domdesc);
832: } else {
833: $msg .= '<br />'.&mt(' You may wish to send an e-mail to the server administrator: [_1] for the [_2] domain.',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc);
834: }
835: return $msg;
836: }
837:
838: sub create_captcha {
839: my ($output_dir,$db_dir) = @_;
840: my %captcha_params = &captcha_settings();
841: my $captcha = Authen::Captcha->new(
842: output_folder => $captcha_params{'output_dir'},
843: data_folder => $captcha_params{'db_dir'},
844: );
845: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
846: my $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
847: &mt('Type in the letters/numbers shown below').' '.
848: '<input type="text" size="5" name="code" value="" /><br />'.
849: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
850: return $output;
851: }
852:
853: sub captcha_settings {
854: my %captcha_params = (
855: output_dir => "/home/httpd/html/captcha",
856: www_output_dir => "/captcha",
857: db_dir => "/home/www/captchadb",
858: numchars => '5',
859: );
860: return %captcha_params;
861: }
862:
863: sub getkeys {
864: my ($lkey,$ukey) = @_;
865: my $lextkey=hex($lkey);
866: if ($lextkey>2147483647) { $lextkey-=4294967296; }
867:
868: my $uextkey=hex($ukey);
869: if ($uextkey>2147483647) { $uextkey-=4294967296; }
870: return ($lextkey,$uextkey);
871: }
872:
873: sub serverform {
1.3 raeburn 874: my ($logtoken,$lonhost,$mailtoken,$courseid) = @_;
1.1 raeburn 875: my $output .= <<ENDSERVERFORM;
876: <form name="server" method="post" target="_top">
877: <input type="hidden" name="logtoken" value="$logtoken" />
878: <input type="hidden" name="token" value="$mailtoken" />
879: <input type="hidden" name="serverid" value="$lonhost" />
880: <input type="hidden" name="uname" value="" />
881: <input type="hidden" name="upass" value="" />
882: <input type="hidden" name="phase" value="username_validation" />
1.3 raeburn 883: <input type="hidden" name="courseid" value="$courseid" />
1.1 raeburn 884: </form>
885: ENDSERVERFORM
886: return $output;
887: }
888:
889: sub process_credentials {
890: my ($logtoken,$lonhost) = @_;
891: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
892: my ($retrieved,$output,$upass);
893: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
894: $output = &mt('Information needed to retrieve your log-in information is missing, inaccessible or expired.').'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
895: return ($retrieved,$output,$upass);
896: } else {
897: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
898: if ($reply eq 'ok') {
899: $retrieved = 'ok';
900: } else {
901: $output = &mt('Session could not be opened.');
902: }
903: }
904: my ($key,$caller)=split(/&/,$tmpinfo);
905: if ($caller eq 'createaccount') {
906: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
907: } else {
908: $output = &mt('Unable to retrieve your log-in information - unexpected context');
909: }
910: return ($retrieved,$output,$upass);
911: }
912:
913: sub guest_format_check {
914: my ($useremail,$domain,$cancreate,$settings) = @_;
915: my ($login,$format_match,$format_msg,@user_rules);
916: if (ref($settings) eq 'HASH') {
917: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
918: push(@user_rules,@{$settings->{'email_rule'}});
919: }
920: }
921: if (@user_rules > 0) {
922: my %rule_check =
923: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1.2 raeburn 924: 'selfcreate',\@user_rules);
1.1 raeburn 925: if (keys(%rule_check) > 0) {
926: foreach my $item (keys(%rule_check)) {
927: if ($rule_check{$item}) {
928: $format_match = 1;
929: last;
930: }
931: }
932: }
933: }
934: if ($format_match) {
935: ($login) = ($useremail =~ /^([^\@]+)\@/);
936: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1.5 ! raeburn 937: if (ref($cancreate) eq 'ARRAY') {
! 938: if (grep(/^login$/,@{$cancreate})) {
! 939: $format_msg .= &mt('You should request creation of a LON-CAPA account for a Log-in ID of "[_1]" at your institution instead.',$login).'<br />';
! 940: }
1.1 raeburn 941: }
942: }
943: return $format_msg;
944: }
945:
946: 1;
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