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 1.40.2.3 2010/12/24 20:36:11 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 = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
62: &Apache::lonacc::get_posted_cgi($r);
63: &Apache::lonlocal::get_language_handle($r);
64:
65: if ($sso_username ne '' && $sso_domain ne '') {
66: $domain = $sso_domain;
67: } else {
68: $domain = &Apache::lonnet::default_login_domain();
69: if (defined($env{'form.courseid'})) {
70: if (&validate_course($env{'form.courseid'})) {
71: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
72: $domain = $1;
73: }
74: }
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($domain,'description');
78: my $contact_name = &mt('LON-CAPA helpdesk');
79: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
80: my $contacts =
81: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
82: $domain,$origmail);
83: my ($contact_email) = split(',',$contacts);
84: my $lonhost = $r->dir_config('lonHostID');
85: my $include = $r->dir_config('lonIncludes');
86: my $start_page;
87:
88: my $handle = &Apache::lonnet::check_for_valid_session($r);
89: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
90: $start_page =
91: &Apache::loncommon::start_page('Already logged in');
92: my $end_page =
93: &Apache::loncommon::end_page();
94: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
95: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
96: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
97: return OK;
98: }
99:
100: my ($js,$courseid,$title);
101: if (defined($env{'form.courseid'})) {
102: $courseid = &validate_course($env{'form.courseid'});
103: }
104: if ($courseid ne '') {
105: $js = &catreturn_js();
106: $title = 'Self-enroll in a LON-CAPA course';
107: } else {
108: $title = 'Create a user account in LON-CAPA';
109: }
110: if ($env{'form.phase'} eq 'selfenroll_login') {
111: $title = 'Self-enroll in a LON-CAPA course';
112: if ($env{'form.udom'} ne '') {
113: $domain = $env{'form.udom'};
114: }
115:
116: my %domconfig =
117: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
118: my ($cancreate,$statustocreate) =
119: &get_creation_controls($domain,$domconfig{'usercreation'});
120:
121: my ($result,$output) =
122: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
123: $contact_name,$contact_email,$courseid,
124: $lonhost,$statustocreate);
125: if ($result eq 'existingaccount') {
126: $r->print($output);
127: &print_footer($r);
128: return OK;
129: } else {
130: $start_page =
131: &Apache::loncommon::start_page($title,$js,
132: {'no_inline_link' => 1,});
133: &print_header($r,$start_page,$courseid);
134: $r->print($output);
135: &print_footer($r);
136: return OK;
137: }
138: }
139: $start_page =
140: &Apache::loncommon::start_page($title,$js,
141: {'no_inline_link' => 1,});
142: my %domconfig =
143: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
144: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
145: if (@{$cancreate} == 0) {
146: &print_header($r,$start_page,$courseid);
147: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
148: '<span class="LC_warning">'.
149: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
150: $r->print($output);
151: &print_footer($r);
152: return OK;
153: }
154:
155: if ($sso_username ne '') {
156: &print_header($r,$start_page,$courseid);
157: my ($msg,$sso_logout);
158: $sso_logout = &sso_logout_frag($r,$domain);
159: if (grep(/^sso$/,@{$cancreate})) {
160: $msg = '<h3>'.&mt('Account creation').'</h3>'.
161: &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution.").'<br />';
162:
163: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
164: $lonhost,$contact_email,$contact_name,
165: $sso_logout,$statustocreate);
166: } else {
167: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
168: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
169: $sso_logout;
170: }
171: $r->print($msg);
172: &print_footer($r);
173: return OK;
174: }
175:
176: my ($output,$nostart,$noend);
177: my $token = $env{'form.token'};
178: if ($token) {
179: ($output,$nostart,$noend) =
180: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
181: $domdesc,$lonhost,$include,$start_page);
182: if ($nostart) {
183: if ($noend) {
184: return OK;
185: } else {
186: $r->print($output);
187: &print_footer($r);
188: return OK;
189: }
190: } else {
191: &print_header($r,$start_page,$courseid);
192: $r->print($output);
193: &print_footer($r);
194: return OK;
195: }
196: }
197:
198: if ($env{'form.phase'} eq 'username_activation') {
199: (my $result,$output,$nostart) =
200: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
201: $lonhost,$courseid);
202: if ($result eq 'ok') {
203: if ($nostart) {
204: return OK;
205: }
206: }
207: &print_header($r,$start_page,$courseid);
208: $r->print($output);
209: &print_footer($r);
210: return OK;
211: } elsif ($env{'form.phase'} eq 'username_validation') {
212: (my $result,$output) =
213: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
214: $contact_name,$contact_email,$courseid,
215: $lonhost,$statustocreate);
216: if ($result eq 'existingaccount') {
217: $r->print($output);
218: &print_footer($r);
219: return OK;
220: } else {
221: &print_header($r,$start_page,$courseid);
222: }
223: } elsif ($env{'form.create_with_email'}) {
224: &print_header($r,$start_page,$courseid);
225: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
226: $contact_name,$contact_email,$cancreate,
227: $lonhost,$domconfig{'usercreation'},
228: $courseid);
229: } elsif (!$token) {
230: &print_header($r,$start_page,$courseid);
231: my $now=time;
232: if (grep(/^login$/,@{$cancreate})) {
233: my $jsh=Apache::File->new($include."/londes.js");
234: $r->print(<$jsh>);
235: $r->print(&javascript_setforms($now));
236: }
237: if (grep(/^email$/,@{$cancreate})) {
238: $r->print(&javascript_validmail());
239: }
240: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
241: $courseid);
242: }
243: $r->print($output);
244: &print_footer($r);
245: return OK;
246: }
247:
248: sub print_header {
249: my ($r,$start_page,$courseid) = @_;
250: $r->print($start_page);
251: &Apache::lonhtmlcommon::clear_breadcrumbs();
252: if ($courseid ne '') {
253: my %coursehash = &Apache::lonnet::coursedescription($courseid);
254: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
255: }
256: &Apache::lonhtmlcommon::add_breadcrumb
257: ({href=>"/adm/createuser",
258: text=>"New username"});
259: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
260: return;
261: }
262:
263: sub print_footer {
264: my ($r) = @_;
265: if ($env{'form.courseid'} ne '') {
266: $r->print('<form name="backupcrumbs" method="post" action="">'.
267: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
268: 'token','serverid','uname','upass','phase','create_with_email',
269: 'code','useremail','crypt','cfirstname','clastname',
270: 'cmiddlename','cgeneration','cpermanentemail','cid']).
271: '</form>');
272: }
273: $r->print(&Apache::loncommon::end_page());
274: }
275:
276: sub selfenroll_crumbs {
277: my ($r,$courseid,$desc) = @_;
278: &Apache::lonhtmlcommon::add_breadcrumb
279: ({href=>"javascript:ToCatalog('backupcrumbs','')",
280: text=>"Course/Community Catalog"});
281: if ($env{'form.coursenum'} ne '') {
282: &Apache::lonhtmlcommon::add_breadcrumb
283: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
284: text=>"Course details"});
285: }
286: my $last_crumb;
287: if ($desc ne '') {
288: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
289: } else {
290: $last_crumb = &mt('Self-enroll');
291: }
292: &Apache::lonhtmlcommon::add_breadcrumb
293: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
294: text=>$last_crumb,
295: no_mt=>"1"});
296: return;
297: }
298:
299: sub validate_course {
300: my ($courseid) = @_;
301: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
302: if (($cdom ne '') && ($cnum ne '')) {
303: if (&Apache::lonnet::is_course($cdom,$cnum)) {
304: return ($courseid);
305: }
306: }
307: return;
308: }
309:
310: sub javascript_setforms {
311: my ($now) = @_;
312: my $js = <<ENDSCRIPT;
313: <script type="text/javascript" language="JavaScript">
314: function send() {
315: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
316: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
317: uextkey=this.document.client.elements.uextkey.value;
318: lextkey=this.document.client.elements.lextkey.value;
319: initkeys();
320:
321: this.document.server.elements.upass.value
322: = crypted(this.document.client.elements.upass$now.value);
323:
324: this.document.client.elements.uname.value='';
325: this.document.client.elements.upass$now.value='';
326:
327: this.document.server.submit();
328: return false;
329: }
330: </script>
331: ENDSCRIPT
332: return $js;
333: }
334:
335: sub javascript_checkpass {
336: my ($now) = @_;
337: my $nopass = &mt('You must enter a password.');
338: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
339: &mt('Please try again.');
340: my $js = <<"ENDSCRIPT";
341: <script type="text/javascript" language="JavaScript">
342: function checkpass() {
343: var upass = this.document.client.elements.upass$now.value;
344: var upasscheck = this.document.client.elements.upasscheck$now.value;
345: if (upass == '') {
346: alert("$nopass");
347: return false;
348: }
349: if (upass == upasscheck) {
350: this.document.client.elements.upasscheck$now.value='';
351: send();
352: return false;
353: } else {
354: alert("$mismatchpass");
355: return false;
356: }
357: }
358: </script>
359: ENDSCRIPT
360: return $js;
361: }
362:
363: sub javascript_validmail {
364: my %lt = &Apache::lonlocal::texthash (
365: email => 'The e-mail address you entered',
366: notv => 'is not a valid e-mail address',
367: );
368: my $output = "\n".'<script type="text/javascript">'."\n".
369: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
370: $output .= <<"ENDSCRIPT";
371: function validate_email() {
372: field = document.createaccount.useremail;
373: if (validmail(field) == false) {
374: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
375: return false;
376: }
377: return true;
378: }
379: ENDSCRIPT
380: $output .= "\n".'</script>'."\n";
381: return $output;
382: }
383:
384: sub print_username_form {
385: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
386: my %lt = &Apache::lonlocal::texthash(
387: unam => 'username',
388: udom => 'domain',
389: uemail => 'E-mail address in LON-CAPA',
390: proc => 'Proceed');
391: my $output;
392: if (ref($cancreate) eq 'ARRAY') {
393: if (grep(/^login$/,@{$cancreate})) {
394: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
395: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
396: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
397: my $submit_text = &mt('Create LON-CAPA account');
398: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
399: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
400: $domain,'createaccount').'</div>';
401: }
402: }
403: if (grep(/^email$/,@{$cancreate})) {
404: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
405: my $captchaform = &create_captcha();
406: if ($captchaform) {
407: my $submit_text = &mt('Request LON-CAPA account');
408: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
409: if (grep(/^login$/,@{$cancreate})) {
410: $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 />';
411: } else {
412: $output .= '<br />';
413: }
414: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
415: &Apache::lonhtmlcommon::start_pick_box()."\n".
416: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
417: 'LC_pick_box_title')."\n".
418: $emailform."\n".
419: &Apache::lonhtmlcommon::row_closure(1).
420: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
421: 'LC_pick_box_title')."\n".
422: $captchaform."\n".'<br /><br />';
423: if ($courseid ne '') {
424: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
425: }
426: $output .= &Apache::lonhtmlcommon::row_closure(1).
427: &Apache::lonhtmlcommon::row_title().'<br />'.
428: '<input type="submit" name="create_with_email" value="'.
429: $submit_text.'" />'.
430: &Apache::lonhtmlcommon::row_closure(1).
431: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
432: if ($courseid ne '') {
433: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
434: }
435: $output .= '</form>';
436: } else {
437: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
438: if ($courseid ne '') {
439: $helpdesk .= '&courseid='.$courseid;
440: }
441: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
442: }
443: $output .= '</div>';
444: }
445: }
446: if ($output eq '') {
447: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
448: } else {
449: $output .= '<div class="LC_clear_float_footer"></div>';
450: }
451: return $output;
452: }
453:
454: sub login_box {
455: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
456: my $output;
457: my %titles = &Apache::lonlocal::texthash(
458: createaccount => 'Log-in ID',
459: selfenroll => 'Username',
460: );
461: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
462: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
463: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
464: $lonhost);
465: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
466: my $unameform = '<input type="text" name="uname" size="20" value="" />';
467: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
468: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
469: &Apache::lonhtmlcommon::start_pick_box()."\n".
470: &Apache::lonhtmlcommon::row_title($titles{$context},
471: 'LC_pick_box_title')."\n".
472: $unameform."\n".
473: &Apache::lonhtmlcommon::row_closure(1)."\n".
474: &Apache::lonhtmlcommon::row_title(&mt('Password'),
475: 'LC_pick_box_title')."\n".
476: $upassform;
477: if ($context eq 'selfenroll') {
478: my $udomform = '<input type="text" name="udom" size="10" value="'.
479: $domain.'" />';
480: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
481: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
482: 'LC_pick_box_title')."\n".
483: $udomform."\n";
484: } else {
485: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
486: }
487: $output .= &Apache::lonhtmlcommon::row_closure(1).
488: &Apache::lonhtmlcommon::row_title().
489: '<br /><input type="submit" name="username_validation" value="'.
490: $submit_text.'" />'."\n";
491: if ($context eq 'selfenroll') {
492: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
493: '<span class="LC_fontsize_medium">'.
494: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
495: '</span></td></tr></table>'."\n";
496: }
497: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
498: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
499: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
500: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
501: '</form>';
502: return $output;
503: }
504:
505: sub process_email_request {
506: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
507: $server,$settings,$courseid) = @_;
508: $useremail = $env{'form.useremail'};
509: my $output;
510: if (ref($cancreate) eq 'ARRAY') {
511: if (!grep(/^email$/,@{$cancreate})) {
512: $output = &invalid_state('noemails',$domdesc,
513: $contact_name,$contact_email);
514: return $output;
515: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
516: $output = &invalid_state('baduseremail',$domdesc,
517: $contact_name,$contact_email);
518: return $output;
519: } else {
520: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
521: if ($uhome ne 'no_host') {
522: $output = &invalid_state('existinguser',$domdesc,
523: $contact_name,$contact_email);
524: return $output;
525: } else {
526: my $code = $env{'form.code'};
527: my $md5sum = $env{'form.crypt'};
528: my %captcha_params = &captcha_settings();
529: my $captcha = Authen::Captcha->new(
530: output_folder => $captcha_params{'output_dir'},
531: data_folder => $captcha_params{'db_dir'},
532: );
533: my $captcha_chk = $captcha->check_code($code,$md5sum);
534: my %captcha_hash = (
535: 0 => 'Code not checked (file error)',
536: -1 => 'Failed: code expired',
537: -2 => 'Failed: invalid code (not in database)',
538: -3 => 'Failed: invalid code (code does not match crypt)',
539: );
540: if ($captcha_chk != 1) {
541: $output = &invalid_state('captcha',$domdesc,$contact_name,
542: $contact_email,$captcha_hash{$captcha_chk});
543: return $output;
544: }
545: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
546: if ($uhome eq 'no_host') {
547: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
548: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
549: \%inst_results,\%curr_rules,\%got_rules,'username');
550: if (ref($alerts{'username'}) eq 'HASH') {
551: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
552: if ($alerts{'username'}{$domain}{$useremail}) {
553: $output = &invalid_state('userrules',$domdesc,
554: $contact_name,$contact_email);
555: return $output;
556: }
557: }
558: }
559: my $format_msg =
560: &guest_format_check($useremail,$domain,$cancreate,
561: $settings);
562: if ($format_msg) {
563: $output = &invalid_state('userformat',$domdesc,$contact_name,
564: $contact_email,$format_msg);
565: return $output;
566: }
567: }
568: }
569: }
570: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
571: $contact_email,$courseid);
572: }
573: return $output;
574: }
575:
576: sub call_rulecheck {
577: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
578: $got_rules,$tocheck) = @_;
579: my ($checkhash,$checks);
580: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
581: if ($tocheck eq 'username') {
582: $checks = { 'username' => 1 };
583: }
584: &Apache::loncommon::user_rule_check($checkhash,$checks,
585: $alerts,$rulematch,$inst_results,$curr_rules,
586: $got_rules);
587: return;
588: }
589:
590: sub send_token {
591: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
592: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
593: &mt('Thank you for your request to create a new LON-CAPA account.').
594: '<br /><br />';
595: my $now = time;
596: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
597: 'time' => $now,
598: 'domain' => $domain,
599: 'username' => $email,
600: 'courseid' => $courseid);
601: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
602: if ($token !~ /^error/ && $token ne 'no_such_host') {
603: my $esc_token = &escape($token);
604: my $showtime = localtime(time);
605: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
606: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
607: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
608: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
609: $contact_email);
610: if ($result eq 'ok') {
611: $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>');
612: } else {
613: $msg .= '<span class="LC_error">'.
614: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
615: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
616: }
617: } else {
618: $msg .= '<span class="LC_error">'.
619: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
620: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
621: }
622: return $msg;
623: }
624:
625: sub process_mailtoken {
626: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
627: $include,$start_page) = @_;
628: my ($msg,$nostart,$noend);
629: my %data = &Apache::lonnet::tmpget($token);
630: my $now = time;
631: if (keys(%data) == 0) {
632: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
633: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
634: .' '.&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>');
635: return $msg;
636: }
637: if (($data{'time'} =~ /^\d+$/) &&
638: ($data{'domain'} ne '') &&
639: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
640: if ($now - $data{'time'} < 7200) {
641: if ($env{'form.phase'} eq 'createaccount') {
642: my ($result,$output) = &create_account($r,$domain,$lonhost,
643: $data{'username'},$domdesc);
644: if ($result eq 'ok') {
645: $msg = $output;
646: my $shownow = &Apache::lonlocal::locallocaltime($now);
647: my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
648: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
649: $mailmsg,$contact_name,
650: $contact_email);
651: if ($mailresult eq 'ok') {
652: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
653: } else {
654: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
655: }
656: my %form = &start_session($r,$data{'username'},$domain,
657: $lonhost,$data{'courseid'},
658: $token);
659: $nostart = 1;
660: $noend = 1;
661: } else {
662: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
663: .'<br />'.$output
664: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
665: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
666: }
667: my $delete = &Apache::lonnet::tmpdel($token);
668: } else {
669: $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 />';
670: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
671: $nostart = 1;
672: }
673: } else {
674: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
675: .' '.&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>');
676: }
677: } else {
678: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
679: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
680: }
681: return ($msg,$nostart,$noend);
682: }
683:
684: sub start_session {
685: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
686: my %form = (
687: uname => $username,
688: udom => $domain,
689: );
690: my $firsturl = '/adm/roles';
691: if (defined($courseid)) {
692: $courseid = &validate_course($courseid);
693: if ($courseid ne '') {
694: $form{'courseid'} = $courseid;
695: $firsturl = '/adm/selfenroll?courseid='.$courseid;
696: }
697: }
698: if ($r->dir_config('lonBalancer') eq 'yes') {
699: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
700: $lonhost,'noredirect',undef,\%form);
701: if ($token ne '') {
702: my $delete = &Apache::lonnet::tmpdel($token);
703: }
704: $r->internal_redirect('/adm/switchserver');
705: } else {
706: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
707: $lonhost,$firsturl,undef,\%form);
708: }
709: return %form;
710: }
711:
712:
713: sub print_dataentry_form {
714: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
715: my ($error,$output);
716: &print_header($r,$start_page);
717: if (open(my $jsh,"<$include/londes.js")) {
718: while(my $line = <$jsh>) {
719: $r->print($line);
720: }
721: close($jsh);
722: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
723: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
724: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
725: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
726: $lonhost);
727: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
728: my ($datatable,$rowcount) =
729: &Apache::loncreateuser::personal_data_display($username,$domain,
730: 'email','selfcreate');
731: if ($rowcount) {
732: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
733: } else {
734: $output .= $formtag;
735: }
736: $output .= <<"ENDSERVERFORM";
737: <input type="hidden" name="logtoken" value="$logtoken" />
738: <input type="hidden" name="token" value="$mailtoken" />
739: <input type="hidden" name="serverid" value="$lonhost" />
740: <input type="hidden" name="uname" value="" />
741: <input type="hidden" name="upass" value="" />
742: <input type="hidden" name="udom" value="" />
743: <input type="hidden" name="phase" value="createaccount" />
744: </form>
745: ENDSERVERFORM
746: if ($rowcount) {
747: $output .= '</div>'.
748: '<div class="LC_left_float">';
749: }
750: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
751: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
752: my $submit_text = &mt('Create LON-CAPA account');
753: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
754: '<form name="client" method="post" '.
755: 'onsubmit="return checkpass();">'."\n".
756: &Apache::lonhtmlcommon::start_pick_box()."\n".
757: &Apache::lonhtmlcommon::row_title(&mt('Username'),
758: 'LC_pick_box_title',
759: 'LC_oddrow_value')."\n".
760: $username."\n".
761: &Apache::lonhtmlcommon::row_closure(1)."\n".
762: &Apache::lonhtmlcommon::row_title(&mt('Password'),
763: 'LC_pick_box_title',
764: 'LC_oddrow_value')."\n".
765: $upassone."\n".
766: &Apache::lonhtmlcommon::row_closure(1)."\n".
767: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
768: 'LC_pick_box_title',
769: 'LC_oddrow_value')."\n".
770: $upasstwo.
771: &Apache::lonhtmlcommon::row_closure(1)."\n".
772: &Apache::lonhtmlcommon::row_title()."\n".
773: '<br /><input type="submit" name="createaccount" value="'.
774: $submit_text.'" />'.
775: &Apache::lonhtmlcommon::row_closure(1)."\n".
776: &Apache::lonhtmlcommon::end_pick_box()."\n".
777: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
778: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
779: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
780: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
781: '</form>';
782: if ($rowcount) {
783: $output .= '</div>'."\n".
784: '<div class="LC_clear_float_footer"></div>'."\n";
785: }
786: } else {
787: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
788: }
789: return $output;
790: }
791:
792: sub get_creation_controls {
793: my ($domain,$usercreation) = @_;
794: my (@cancreate,@statustocreate);
795: if (ref($usercreation) eq 'HASH') {
796: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
797: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
798: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
799: } else {
800: @statustocreate = ('default');
801: my ($othertitle,$usertypes,$types) =
802: &Apache::loncommon::sorted_inst_types($domain);
803: if (ref($types) eq 'ARRAY') {
804: push(@statustocreate,@{$types});
805: }
806: }
807: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
808: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
809: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
810: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
811: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
812: }
813: }
814: }
815: return (\@cancreate,\@statustocreate);
816: }
817:
818: sub create_account {
819: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
820: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
821: $env{'form.serverid'});
822: # Error messages
823: my $error = '<span class="LC_error">'.&mt('Error:').' ';
824: my $end = '</span><br /><br />';
825: my $rtnlink = '<a href="javascript:history.back();" />'.
826: &mt('Return to previous page').'</a>'.
827: &Apache::loncommon::end_page();
828: if ($retrieved eq 'ok') {
829: if ($env{'form.courseid'} ne '') {
830: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
831: if ($result eq 'fail') {
832: $output = $error.&mt('Invalid ID format').$end.
833: $userchkmsg.$rtnlink;
834: return ('fail',$output);
835: }
836: }
837: } else {
838: return ('fail',$error.$output.$end.$rtnlink);
839: }
840: # Call modifyuser
841: my $result =
842: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
843: 'internal',$upass,$env{'form.cfirstname'},
844: $env{'form.cmiddlename'},$env{'form.clastname'},
845: $env{'form.cgeneration'},undef,undef,$username);
846: $output = &mt('Generating user: [_1]',$result);
847: my $uhome = &Apache::lonnet::homeserver($username,$domain);
848: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
849: &Apache::lonnet::hostname($uhome).'<br /><br />';
850: return ('ok',$output);
851: }
852:
853: sub username_validation {
854: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
855: $lonhost,$statustocreate) = @_;
856: my ($retrieved,$output,$upass);
857:
858: $username= &LONCAPA::clean_username($username);
859: $domain = &LONCAPA::clean_domain($domain);
860: my $uhome = &Apache::lonnet::homeserver($username,$domain);
861:
862: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
863: $env{'form.serverid'});
864: if ($retrieved ne 'ok') {
865: return ('fail',$output);
866: }
867: if ($uhome ne 'no_host') {
868: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
869: if ($result ne 'no_host') {
870: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
871: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
872: return ('existingaccount',$output);
873: } else {
874: $output = &login_failure_msg($courseid);
875: }
876: } else {
877: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
878: my $authok;
879: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
880: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
881: my $checkdefauth = 1;
882: $authok =
883: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
884: } else {
885: $authok = 'non_authorized';
886: }
887: if ($authok eq 'authorized') {
888: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
889: $contact_email,$contact_name,undef,
890: $statustocreate);
891: } else {
892: $output = &login_failure_msg($courseid);
893: }
894: }
895: return ('ok',$output);
896: }
897:
898: sub login_failure_msg {
899: my ($courseid) = @_;
900: my $url;
901: if ($courseid ne '') {
902: $url = "/adm/selfenroll?courseid=".$courseid;
903: } else {
904: $url = "/adm/createaccount";
905: }
906: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
907: &mt('Username and/or password could not be authenticated.').
908: '</div>'.
909: &mt('Please check the username and password.').'<br /><br />';
910: '<a href="'.$url.'">'.&mt('Try again').'</a>';
911: return $output;
912: }
913:
914: sub username_check {
915: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
916: $contact_name,$sso_logout,$statustocreate) = @_;
917: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
918: %alerts,%curr_rules,%got_rules);
919: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
920: \%inst_results,\%curr_rules,\%got_rules,'username');
921: if (ref($alerts{'username'}) eq 'HASH') {
922: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
923: if ($alerts{'username'}{$domain}{$username}) {
924: if (ref($curr_rules{$domain}) eq 'HASH') {
925: $output =
926: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
927: 'selfcreate').
928: &Apache::loncommon::user_rule_formats($domain,$domdesc,
929: $curr_rules{$domain}{'username'},'username');
930: }
931: $checkfail = 'username';
932: }
933: }
934: }
935: if (!$checkfail) {
936: if (ref($statustocreate) eq 'ARRAY') {
937: $checkfail = 'inststatus';
938: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
939: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
940: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
941: undef($checkfail);
942: last;
943: }
944: }
945: } elsif (grep(/^default$/,@{$statustocreate})) {
946: undef($checkfail);
947: }
948: }
949: }
950: if (!$checkfail) {
951: $output = '<form method="post" action="/adm/createaccount">';
952: (my $datatable,$rowcount,$editable) =
953: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
954: $inst_results{$username.':'.$domain});
955: if ($rowcount > 0) {
956: $output .= $datatable;
957: }
958: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
959: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
960: '<input type="hidden" name="phase" value="username_activation" />';
961: my $now = time;
962: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
963: 'time' => $now,
964: 'domain' => $domain,
965: 'username' => $username);
966: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
967: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
968: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
969: } else {
970: $output = &mt('An error occurred when storing a token').'<br />'.
971: &mt('You will not be able to proceed to the next stage of account creation').
972: &linkto_email_help($contact_email,$domdesc);
973: $checkfail = 'authtoken';
974: }
975: }
976: if ($checkfail) {
977: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
978: if ($checkfail eq 'username') {
979: $msg .= '<span class="LC_warning">'.
980: &mt('A LON-CAPA account may not be created with the username you use.').
981: '</span><br /><br />'.$output;
982: } elsif ($checkfail eq 'authtoken') {
983: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
984: '<br />'.$output;
985: } elsif ($checkfail eq 'inststatus') {
986: $msg .= '<span class="LC_warning">'.
987: &mt('You are not permitted to create a LON-CAPA account.').
988: '</span><br /><br />'.$output;
989: }
990: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
991: $contact_name,$contact_email).'<br /><hr />'.
992: $sso_logout;
993: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
994: } else {
995: if ($courseid ne '') {
996: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
997: }
998: $output .= '<input type="submit" name="newaccount" value="'.
999: &mt('Create LON-CAPA account').'" /></form>';
1000: if ($rowcount) {
1001: if ($editable) {
1002: if ($courseid ne '') {
1003: $msg = '<h4>'.&mt('User information').'</h4>';
1004: }
1005: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1006: } else {
1007: if ($courseid ne '') {
1008: $msg = '<h4>'.&mt('Review user information').'</h4>';
1009: }
1010: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1011: }
1012: } else {
1013: if ($courseid ne '') {
1014: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1015: }
1016: $msg .= &mt('Confirm that you wish to create an account.');
1017: }
1018: $msg .= $output;
1019: }
1020: return $msg;
1021: }
1022:
1023: sub username_activation {
1024: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1025: my $output;
1026: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1027: my $end = '</span><br /><br />';
1028: my $rtnlink = '<a href="javascript:history.back();" />'.
1029: &mt('Return to previous page').'</a>'.
1030: &Apache::loncommon::end_page();
1031: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1032: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1033: my $now = time;
1034: my $earlyout;
1035: my $timeout = 300;
1036: if (keys(%data) == 0) {
1037: $output = &mt('Sorry, your authentication has expired.');
1038: $earlyout = 'fail';
1039: }
1040: if (($data{'time'} !~ /^\d+$/) ||
1041: ($data{'domain'} ne $domain) ||
1042: ($data{'username'} ne $username)) {
1043: $earlyout = 'fail';
1044: $output = &mt('The credentials you provided could not be verified.');
1045: } elsif ($now - $data{'time'} > $timeout) {
1046: $earlyout = 'fail';
1047: $output = &mt('Sorry, your authentication has expired.');
1048: }
1049: if ($earlyout ne '') {
1050: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1051: return($earlyout,$output);
1052: }
1053: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1054: ($domdefaults{'auth_arg_def'} ne '')) ||
1055: ($domdefaults{'auth_def'} eq 'localauth')) {
1056: if ($env{'form.courseid'} ne '') {
1057: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1058: if ($result eq 'fail') {
1059: $output = $error.&mt('Invalid ID format').$end.
1060: $userchkmsg.$rtnlink;
1061: return ('fail',$output);
1062: }
1063: }
1064: # Call modifyuser
1065: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1066: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1067: \%inst_results,\%curr_rules,\%got_rules);
1068: my @userinfo = ('firstname','middlename','lastname','generation',
1069: 'permanentemail','id');
1070: my %canmodify =
1071: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1072: \@userinfo,\%inst_results);
1073: foreach my $item (@userinfo) {
1074: if ($canmodify{$item}) {
1075: $info{$item} = $env{'form.c'.$item};
1076: } else {
1077: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1078: }
1079: }
1080: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1081: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1082: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1083: }
1084: my $result =
1085: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1086: $domdefaults{'auth_def'},
1087: $domdefaults{'auth_arg_def'},$info{'firstname'},
1088: $info{'middlename'},$info{'lastname'},
1089: $info{'generation'},undef,undef,
1090: $info{'permanentemail'},$info{'inststatus'});
1091: if ($result eq 'ok') {
1092: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1093: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1094: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1095: my $nostart = 1;
1096: return ('ok',$output,$nostart);
1097: } else {
1098: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1099: return ('fail',$output);
1100: }
1101: } else {
1102: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1103: return('fail',$output);
1104: }
1105: }
1106:
1107: sub check_id {
1108: my ($username,$domain,$domdesc) = @_;
1109: # Check ID format
1110: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1111: my %checks = ('id' => 1);
1112: %{$checkhash{$username.':'.$domain}} = (
1113: 'newuser' => 1,
1114: 'id' => $env{'form.cid'},
1115: );
1116: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1117: \%rulematch,\%inst_results,\%curr_rules);
1118: if (ref($alerts{'id'}) eq 'HASH') {
1119: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1120: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1121: my $userchkmsg;
1122: if (ref($curr_rules{$domain}) eq 'HASH') {
1123: $userchkmsg =
1124: &Apache::loncommon::instrule_disallow_msg('id',
1125: $domdesc,1).
1126: &Apache::loncommon::user_rule_formats($domain,
1127: $domdesc,$curr_rules{$domain}{'id'},'id');
1128: }
1129: return ('fail',$userchkmsg);
1130: }
1131: }
1132: }
1133: return;
1134: }
1135:
1136: sub invalid_state {
1137: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1138: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1139: if ($error eq 'baduseremail') {
1140: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1141: } elsif ($error eq 'existinguser') {
1142: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1143: } elsif ($error eq 'userrules') {
1144: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1145: } elsif ($error eq 'userformat') {
1146: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1147: } elsif ($error eq 'captcha') {
1148: $msg .= &mt('Validation of the code you entered failed.');
1149: } elsif ($error eq 'noemails') {
1150: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1151: }
1152: $msg .= '</span>';
1153: if ($msgtext) {
1154: $msg .= '<br />'.$msgtext;
1155: }
1156: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1157: return $msg;
1158: }
1159:
1160: sub linkto_email_help {
1161: my ($contact_email,$domdesc,$error) = @_;
1162: my $msg;
1163: my $href = '/adm/helpdesk';
1164: if ($contact_email ne '') {
1165: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1166: $href .= '?origurl='.$escuri;
1167: if ($error eq 'existinguser') {
1168: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1169: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1170: }
1171: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1172: } else {
1173: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1174: }
1175: return $msg;
1176: }
1177:
1178: sub create_captcha {
1179: my ($output_dir,$db_dir) = @_;
1180: my %captcha_params = &captcha_settings();
1181: my ($output,$maxtries,$tries) = ('',10,0);
1182: while ($tries < $maxtries) {
1183: $tries ++;
1184: my $captcha = Authen::Captcha->new (
1185: output_folder => $captcha_params{'output_dir'},
1186: data_folder => $captcha_params{'db_dir'},
1187: );
1188: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1189:
1190: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1191: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1192: &mt('Type in the letters/numbers shown below').' '.
1193: '<input type="text" size="5" name="code" value="" /><br />'.
1194: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
1195: last;
1196: }
1197: }
1198: return $output;
1199: }
1200:
1201: sub captcha_settings {
1202: my %captcha_params = (
1203: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1204: www_output_dir => "/captchaspool",
1205: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1206: numchars => '5',
1207: );
1208: return %captcha_params;
1209: }
1210:
1211: sub getkeys {
1212: my ($lkey,$ukey) = @_;
1213: my $lextkey=hex($lkey);
1214: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1215:
1216: my $uextkey=hex($ukey);
1217: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1218: return ($lextkey,$uextkey);
1219: }
1220:
1221: sub serverform {
1222: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1223: my $phase = 'username_validation';
1224: my $catalog_elements;
1225: if ($context eq 'selfenroll') {
1226: $phase = 'selfenroll_login';
1227: }
1228: if ($courseid ne '') {
1229: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1230: }
1231: my $output = <<ENDSERVERFORM;
1232: <form name="server" method="post" action="/adm/createaccount">
1233: <input type="hidden" name="logtoken" value="$logtoken" />
1234: <input type="hidden" name="token" value="$mailtoken" />
1235: <input type="hidden" name="serverid" value="$lonhost" />
1236: <input type="hidden" name="uname" value="" />
1237: <input type="hidden" name="upass" value="" />
1238: <input type="hidden" name="udom" value="" />
1239: <input type="hidden" name="phase" value="$phase" />
1240: <input type="hidden" name="courseid" value="$courseid" />
1241: $catalog_elements
1242: </form>
1243: ENDSERVERFORM
1244: return $output;
1245: }
1246:
1247: sub process_credentials {
1248: my ($logtoken,$lonhost) = @_;
1249: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1250: my ($retrieved,$output,$upass);
1251: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1252: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1253: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1254: return ($retrieved,$output,$upass);
1255: } else {
1256: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1257: if ($reply eq 'ok') {
1258: $retrieved = 'ok';
1259: } else {
1260: $output = &mt('Session could not be opened.');
1261: }
1262: }
1263: my ($key,$caller)=split(/&/,$tmpinfo);
1264: if ($caller eq 'createaccount') {
1265: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1266: } else {
1267: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1268: }
1269: return ($retrieved,$output,$upass);
1270: }
1271:
1272: sub guest_format_check {
1273: my ($useremail,$domain,$cancreate,$settings) = @_;
1274: my ($login,$format_match,$format_msg,@user_rules);
1275: if (ref($settings) eq 'HASH') {
1276: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1277: push(@user_rules,@{$settings->{'email_rule'}});
1278: }
1279: }
1280: if (@user_rules > 0) {
1281: my %rule_check =
1282: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1283: 'selfcreate',\@user_rules);
1284: if (keys(%rule_check) > 0) {
1285: foreach my $item (keys(%rule_check)) {
1286: if ($rule_check{$item}) {
1287: $format_match = 1;
1288: last;
1289: }
1290: }
1291: }
1292: }
1293: if ($format_match) {
1294: ($login) = ($useremail =~ /^([^\@]+)\@/);
1295: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1296: if (ref($cancreate) eq 'ARRAY') {
1297: if (grep(/^login$/,@{$cancreate})) {
1298: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1299: }
1300: }
1301: }
1302: return $format_msg;
1303: }
1304:
1305: sub sso_logout_frag {
1306: my ($r,$domain) = @_;
1307: my $endsessionmsg;
1308: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1309: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1310: if (-e $msgfile) {
1311: open(my $fh,"<$msgfile");
1312: $endsessionmsg = join('',<$fh>);
1313: close($fh);
1314: }
1315: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1316: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1317: if (-e $msgfile) {
1318: open(my $fh,"<$msgfile");
1319: $endsessionmsg = join('',<$fh>);
1320: close($fh);
1321: }
1322: }
1323: return $endsessionmsg;
1324: }
1325:
1326: sub catreturn_js {
1327: return <<"ENDSCRIPT";
1328: <script type="text/javascript">
1329:
1330: function ToSelfenroll(formname) {
1331: var formidx = getFormByName(formname);
1332: if (formidx > -1) {
1333: document.forms[formidx].action = '/adm/selfenroll';
1334: numidx = getIndexByName(formidx,'phase');
1335: if (numidx > -1) {
1336: document.forms[formidx].elements[numidx].value = '';
1337: }
1338: numidx = getIndexByName(formidx,'context');
1339: if (numidx > -1) {
1340: document.forms[formidx].elements[numidx].value = '';
1341: }
1342: }
1343: document.forms[formidx].submit();
1344: }
1345:
1346: function ToCatalog(formname,caller) {
1347: var formidx = getFormByName(formname);
1348: if (formidx > -1) {
1349: document.forms[formidx].action = '/adm/coursecatalog';
1350: numidx = getIndexByName(formidx,'coursenum');
1351: if (numidx > -1) {
1352: if (caller != 'details') {
1353: document.forms[formidx].elements[numidx].value = '';
1354: }
1355: }
1356: }
1357: document.forms[formidx].submit();
1358: }
1359:
1360: function getIndexByName(formidx,item) {
1361: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1362: if (document.forms[formidx].elements[i].name == item) {
1363: return i;
1364: }
1365: }
1366: return -1;
1367: }
1368:
1369: function getFormByName(item) {
1370: for (var i=0; i<document.forms.length; i++) {
1371: if (document.forms[i].name == item) {
1372: return i;
1373: }
1374: }
1375: return -1;
1376: }
1377:
1378: </script>
1379: ENDSCRIPT
1380:
1381: }
1382:
1383: 1;
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