File:
[LON-CAPA] /
loncom /
interface /
createaccount.pm
Revision
1.28:
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Sat Feb 7 00:59:17 2009 UTC (15 years, 4 months ago) by
raeburn
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MAIN
CVS tags:
HEAD
Bug 5877.
- Occasionally Authen::Captcha fails to generate an image.
- In &create_captcha() loop the Authen::Captcha->new() call until an image is generated, or 10 attempts have been made.
- Display an error message if no success after 10 attempts.
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 1.28 2009/02/07 00:59:17 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 '') {
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]logout[_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 = $env{'form.udom'};
114: }
115: my ($result,$output) =
116: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
117: $contact_name,$contact_email,$courseid,
118: $lonhost);
119: if ($result eq 'existingaccount') {
120: $r->print($output);
121: &print_footer($r);
122: return OK;
123: } else {
124: $start_page =
125: &Apache::loncommon::start_page($title,$js,
126: {'no_inline_link' => 1,});
127: &print_header($r,$start_page,$courseid);
128: $r->print($output);
129: &print_footer($r);
130: return OK;
131: }
132: }
133: $start_page =
134: &Apache::loncommon::start_page($title,$js,
135: {'no_inline_link' => 1,});
136: my @cancreate;
137: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
138: if (ref($domconfig{'usercreation'}) eq 'HASH') {
139: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
140: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
141: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
142: } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
143: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
144: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
145: }
146: }
147: }
148:
149: if (@cancreate == 0) {
150: &print_header($r,$start_page,$courseid);
151: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
152: '<span class="LC_warning">'.
153: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
154: $r->print($output);
155: &print_footer($r);
156: return OK;
157: }
158:
159: if ($sso_username ne '') {
160: &print_header($r,$start_page,$courseid);
161: my ($msg,$sso_logout);
162: $sso_logout = &sso_logout_frag($r,$domain);
163: if (grep(/^sso$/,@cancreate)) {
164: $msg = '<h3>'.&mt('Account creation').'</h3>'.
165: &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 />';
166:
167: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
168: $lonhost,$contact_email,$contact_name,$sso_logout);
169: } else {
170: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
171: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
172: $sso_logout;
173: }
174: $r->print($msg);
175: &print_footer($r);
176: return OK;
177: }
178:
179: my ($output,$nostart,$noend);
180: my $token = $env{'form.token'};
181: if ($token) {
182: ($output,$nostart,$noend) =
183: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
184: $domdesc,$lonhost,$include,$start_page);
185: if ($nostart) {
186: if ($noend) {
187: return OK;
188: } else {
189: $r->print($output);
190: &print_footer($r);
191: return OK;
192: }
193: } else {
194: &print_header($r,$start_page,$courseid);
195: $r->print($output);
196: &print_footer($r);
197: return OK;
198: }
199: }
200:
201: if ($env{'form.phase'} eq 'username_activation') {
202: (my $result,$output,$nostart) =
203: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
204: $lonhost,$courseid);
205: if ($result eq 'ok') {
206: if ($nostart) {
207: return OK;
208: }
209: }
210: &print_header($r,$start_page,$courseid);
211: $r->print($output);
212: &print_footer($r);
213: return OK;
214: } elsif ($env{'form.phase'} eq 'username_validation') {
215: (my $result,$output) =
216: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
217: $contact_name,$contact_email,$courseid,
218: $lonhost);
219: if ($result eq 'existingaccount') {
220: $r->print($output);
221: &print_footer($r);
222: return OK;
223: } else {
224: &print_header($r,$start_page,$courseid);
225: }
226: } elsif ($env{'form.create_with_email'}) {
227: &print_header($r,$start_page,$courseid);
228: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
229: $contact_name,$contact_email,\@cancreate,
230: $lonhost,$domconfig{'usercreation'},
231: $courseid);
232: } elsif (!$token) {
233: &print_header($r,$start_page,$courseid);
234: my $now=time;
235: if (grep(/^login$/,@cancreate)) {
236: my $jsh=Apache::File->new($include."/londes.js");
237: $r->print(<$jsh>);
238: $r->print(&javascript_setforms($now));
239: }
240: if (grep(/^email$/,@cancreate)) {
241: $r->print(&javascript_validmail());
242: }
243: $output = &print_username_form($domain,$domdesc,\@cancreate,$now,$lonhost,
244: $courseid);
245: }
246: $r->print($output);
247: &print_footer($r);
248: return OK;
249: }
250:
251: sub print_header {
252: my ($r,$start_page,$courseid) = @_;
253: $r->print($start_page);
254: &Apache::lonhtmlcommon::clear_breadcrumbs();
255: if ($courseid ne '') {
256: my %coursehash = &Apache::lonnet::coursedescription($courseid);
257: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
258: }
259: &Apache::lonhtmlcommon::add_breadcrumb
260: ({href=>"/adm/createuser",
261: text=>"New username"});
262: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
263: return;
264: }
265:
266: sub print_footer {
267: my ($r) = @_;
268: if ($env{'form.courseid'} ne '') {
269: $r->print('<form name="backupcrumbs" method="post" action="">'.
270: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
271: 'token','serverid','uname','upass','phase','create_with_email',
272: 'code','useremail','crypt','cfirstname','clastname',
273: 'cmiddlename','cgeneration','cpermanentemail','cid']).
274: '</form>');
275: }
276: $r->print(&Apache::loncommon::end_page());
277: }
278:
279: sub selfenroll_crumbs {
280: my ($r,$courseid,$desc) = @_;
281: &Apache::lonhtmlcommon::add_breadcrumb
282: ({href=>"javascript:ToCatalog('backupcrumbs','')",
283: text=>"Course Catalog"});
284: if ($env{'form.coursenum'} ne '') {
285: &Apache::lonhtmlcommon::add_breadcrumb
286: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
287: text=>"Course details"});
288: }
289: my $last_crumb;
290: if ($desc ne '') {
291: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
292: } else {
293: $last_crumb = &mt('Self-enroll');
294: }
295: &Apache::lonhtmlcommon::add_breadcrumb
296: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
297: text=>$last_crumb,
298: no_mt=>"1"});
299: return;
300: }
301:
302: sub validate_course {
303: my ($courseid) = @_;
304: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
305: if (($cdom ne '') && ($cnum ne '')) {
306: if (&Apache::lonnet::is_course($cdom,$cnum)) {
307: return ($courseid);
308: }
309: }
310: return;
311: }
312:
313: sub javascript_setforms {
314: my ($now) = @_;
315: my $js = <<ENDSCRIPT;
316: <script language="JavaScript">
317: function send() {
318: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
319: uextkey=this.document.client.elements.uextkey.value;
320: lextkey=this.document.client.elements.lextkey.value;
321: initkeys();
322:
323: this.document.server.elements.upass.value
324: = crypted(this.document.client.elements.upass$now.value);
325:
326: this.document.client.elements.uname.value='';
327: this.document.client.elements.upass$now.value='';
328:
329: this.document.server.submit();
330: return false;
331: }
332: </script>
333: ENDSCRIPT
334: return $js;
335: }
336:
337: sub javascript_checkpass {
338: my ($now) = @_;
339: my $nopass = &mt('You must enter a password.');
340: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
341: &mt('Please try again.');
342: my $js = <<"ENDSCRIPT";
343: <script type="text/javascript" language="JavaScript">
344: function checkpass() {
345: var upass = this.document.client.elements.upass$now.value;
346: var upasscheck = this.document.client.elements.upasscheck$now.value;
347: if (upass == '') {
348: alert("$nopass");
349: return;
350: }
351: if (upass == upasscheck) {
352: this.document.client.elements.upasscheck$now.value='';
353: send();
354: return;
355: } else {
356: alert("$mismatchpass");
357: return;
358: }
359: }
360: </script>
361: ENDSCRIPT
362: return $js;
363: }
364:
365: sub javascript_validmail {
366: my %lt = &Apache::lonlocal::texthash (
367: email => 'The e-mail address you entered',
368: notv => 'is not a valid e-mail address',
369: );
370: my $output = "\n".'<script type="text/javascript">'."\n".
371: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
372: $output .= <<"ENDSCRIPT";
373: function validate_email() {
374: field = document.createaccount.useremail;
375: if (validmail(field) == false) {
376: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
377: return false;
378: }
379: return true;
380: }
381: ENDSCRIPT
382: $output .= "\n".'</script>'."\n";
383: return $output;
384: }
385:
386: sub print_username_form {
387: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
388: my %lt = &Apache::lonlocal::texthash(
389: unam => 'username',
390: udom => 'domain',
391: uemail => 'E-mail address in LON-CAPA',
392: proc => 'Proceed');
393: my $output;
394: if (ref($cancreate) eq 'ARRAY') {
395: if (grep(/^login$/,@{$cancreate})) {
396: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
397: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
398: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
399: my $submit_text = &mt('Create LON-CAPA account');
400: $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 />';
401: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
402: $domain,'createaccount').'</div>';
403: }
404: }
405: if (grep(/^email$/,@{$cancreate})) {
406: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
407: my $captchaform = &create_captcha();
408: if ($captchaform) {
409: my $submit_text = &mt('Request LON-CAPA account');
410: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
411: if (grep(/^login$/,@{$cancreate})) {
412: $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 />';
413: } else {
414: $output .= '<br />';
415: }
416: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
417: &Apache::lonhtmlcommon::start_pick_box()."\n".
418: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
419: 'LC_pick_box_title')."\n".
420: $emailform."\n".
421: &Apache::lonhtmlcommon::row_closure(1).
422: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
423: 'LC_pick_box_title')."\n".
424: $captchaform."\n".'<br /><br />';
425: if ($courseid ne '') {
426: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
427: }
428: $output .= '<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',
464: $lonhost);
465: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
466: my $unameform = '<input type="text" name="uname" size="10" value="" />';
467: my $upassform = '<input type="password" name="upass'.$now.'" size="10" />';
468: $output .= '<form name="client" method="post" action="/adm/createaccount">'."\n".
469: &Apache::lonhtmlcommon::start_pick_box()."\n";
470: if ($context eq 'selfenroll') {
471: my $udomform = '<input type="text" name="udom" size="10" value="'.
472: $domain.'" />';
473: $output .= &Apache::lonhtmlcommon::row_title(&mt('Domain'),
474: 'LC_pick_box_title')."\n".
475: $udomform."\n".
476: &Apache::lonhtmlcommon::row_closure(1)."\n";
477: }
478:
479: $output .= &Apache::lonhtmlcommon::row_title($titles{$context},
480: 'LC_pick_box_title')."\n".
481: $unameform."\n".
482: &Apache::lonhtmlcommon::row_closure(1)."\n".
483: &Apache::lonhtmlcommon::row_title(&mt('Password'),
484: 'LC_pick_box_title')."\n".
485: $upassform."\n".'<br /><br />'."\n".
486: '<input type="button" name="username_validation" value="'.
487: $submit_text.'" onclick="javascript:send()" />'."\n".
488: &Apache::lonhtmlcommon::row_closure(1)."\n".
489: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />'."\n".
490: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
491: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
492: '</form>';
493: return $output;
494: }
495:
496: sub process_email_request {
497: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
498: $server,$settings,$courseid) = @_;
499: $useremail = $env{'form.useremail'};
500: my $output;
501: if (ref($cancreate) eq 'ARRAY') {
502: if (!grep(/^email$/,@{$cancreate})) {
503: $output = &invalid_state('noemails',$domdesc,
504: $contact_name,$contact_email);
505: return $output;
506: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
507: $output = &invalid_state('baduseremail',$domdesc,
508: $contact_name,$contact_email);
509: return $output;
510: } else {
511: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
512: if ($uhome ne 'no_host') {
513: $output = &invalid_state('existinguser',$domdesc,
514: $contact_name,$contact_email);
515: return $output;
516: } else {
517: my $code = $env{'form.code'};
518: my $md5sum = $env{'form.crypt'};
519: my %captcha_params = &captcha_settings();
520: my $captcha = Authen::Captcha->new(
521: output_folder => $captcha_params{'output_dir'},
522: data_folder => $captcha_params{'db_dir'},
523: );
524: my $captcha_chk = $captcha->check_code($code,$md5sum);
525: my %captcha_hash = (
526: 0 => 'Code not checked (file error)',
527: -1 => 'Failed: code expired',
528: -2 => 'Failed: invalid code (not in database)',
529: -3 => 'Failed: invalid code (code does not match crypt)',
530: );
531: if ($captcha_chk != 1) {
532: $output = &invalid_state('captcha',$domdesc,$contact_name,
533: $contact_email,$captcha_hash{$captcha_chk});
534: return $output;
535: }
536: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
537: if ($uhome eq 'no_host') {
538: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
539: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
540: \%inst_results,\%curr_rules,%got_rules,'username');
541: if (ref($alerts{'username'}) eq 'HASH') {
542: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
543: if ($alerts{'username'}{$domain}{$useremail}) {
544: $output = &invalid_state('userrules',$domdesc,
545: $contact_name,$contact_email);
546: return $output;
547: }
548: }
549: }
550: my $format_msg =
551: &guest_format_check($useremail,$domain,$cancreate,
552: $settings);
553: if ($format_msg) {
554: $output = &invalid_state('userformat',$domdesc,$contact_name,
555: $contact_email,$format_msg);
556: return $output;
557: }
558: }
559: }
560: }
561: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
562: $contact_email,$courseid);
563: }
564: return $output;
565: }
566:
567: sub call_rulecheck {
568: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
569: $got_rules,$tocheck) = @_;
570: my ($checkhash,$checks);
571: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
572: if ($tocheck eq 'username') {
573: $checks = { 'username' => 1 };
574: }
575: &Apache::loncommon::user_rule_check($checkhash,$checks,
576: $alerts,$rulematch,$inst_results,$curr_rules,
577: $got_rules);
578: return;
579: }
580:
581: sub send_token {
582: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
583: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
584: &mt('Thank you for your request to create a new LON-CAPA account.').
585: '<br /><br />';
586: my $now = time;
587: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
588: 'time' => $now,
589: 'domain' => $domain,
590: 'username' => $email,
591: 'courseid' => $courseid);
592: my $token = &Apache::lonnet::tmpput(\%info,$server);
593: if ($token !~ /^error/ && $token ne 'no_such_host') {
594: my $esc_token = &escape($token);
595: my $showtime = localtime(time);
596: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
597: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
598: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
599: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
600: $contact_email);
601: if ($result eq 'ok') {
602: $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>');
603: } else {
604: $msg .= '<span class="LC_error">'.
605: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
606: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
607: }
608: } else {
609: $msg .= '<span class="LC_error">'.
610: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
611: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
612: }
613: return $msg;
614: }
615:
616: sub process_mailtoken {
617: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
618: $include,$start_page) = @_;
619: my ($msg,$nostart,$noend);
620: my %data = &Apache::lonnet::tmpget($token);
621: my $now = time;
622: if (keys(%data) == 0) {
623: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
624: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
625: .' '.&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>');
626: return $msg;
627: }
628: if (($data{'time'} =~ /^\d+$/) &&
629: ($data{'domain'} ne '') &&
630: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
631: if ($now - $data{'time'} < 7200) {
632: if ($env{'form.phase'} eq 'createaccount') {
633: my ($result,$output) = &create_account($r,$domain,$lonhost,
634: $data{'username'},$domdesc);
635: if ($result eq 'ok') {
636: $msg = $output;
637: my $shownow = &Apache::lonlocal::locallocaltime($now);
638: 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";
639: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
640: $mailmsg,$contact_name,
641: $contact_email);
642: if ($mailresult eq 'ok') {
643: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
644: } else {
645: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
646: }
647: my %form = &start_session($r,$data{'username'},$domain,
648: $lonhost,$data{'courseid'},
649: $token);
650: $nostart = 1;
651: $noend = 1;
652: } else {
653: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
654: .'<br />'.$output
655: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
656: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
657: }
658: my $delete = &Apache::lonnet::tmpdel($token);
659: } else {
660: $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 />';
661: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
662: $nostart = 1;
663: }
664: } else {
665: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
666: .' '.&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>');
667: }
668: } else {
669: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
670: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
671: }
672: return ($msg,$nostart,$noend);
673: }
674:
675: sub start_session {
676: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
677: my %form = (
678: uname => $username,
679: udom => $domain,
680: );
681: my $firsturl = '/adm/roles';
682: if (defined($courseid)) {
683: $courseid = &validate_course($courseid);
684: if ($courseid ne '') {
685: $form{'courseid'} = $courseid;
686: $firsturl = '/adm/selfenroll?courseid='.$courseid;
687: }
688: }
689: if ($r->dir_config('lonBalancer') eq 'yes') {
690: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
691: $lonhost,'noredirect',undef,\%form);
692: if ($token ne '') {
693: my $delete = &Apache::lonnet::tmpdel($token);
694: }
695: $r->internal_redirect('/adm/switchserver');
696: } else {
697: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
698: $lonhost,$firsturl,undef,\%form);
699: }
700: return %form;
701: }
702:
703:
704: sub print_dataentry_form {
705: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
706: my ($error,$output);
707: &print_header($r,$start_page);
708: if (open(my $jsh,"<$include/londes.js")) {
709: while(my $line = <$jsh>) {
710: $r->print($line);
711: }
712: close($jsh);
713: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
714: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
715: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
716: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
717: $lonhost);
718: my @userinfo = ('firstname','middlename','lastname','generation','id',
719: 'permanentemail');
720: my %lt=&Apache::lonlocal::texthash(
721: 'pd' => "Personal Data",
722: 'firstname' => "First Name",
723: 'middlename' => "Middle Name",
724: 'lastname' => "Last Name",
725: 'generation' => "Generation",
726: 'permanentemail' => "Permanent e-mail address",
727: 'id' => "Student/Employee ID",
728: 'lg' => "Login Data"
729: );
730: my %textboxsize = (
731: firstname => '15',
732: middlename => '15',
733: lastname => '15',
734: generation => '5',
735: id => '15',
736: );
737: my $genhelp=&Apache::loncommon::help_open_topic('Generation');
738: $output .= '<div class="LC_left_float"><h3>'.$lt{'pd'}.'</h3>'.
739: '<form name="server" method="post" target="_top" action="/adm/createaccount">'.
740: &Apache::lonhtmlcommon::start_pick_box();
741: foreach my $item (@userinfo) {
742: my $rowtitle = $lt{$item};
743: if ($item eq 'generation') {
744: $rowtitle = $genhelp.$rowtitle;
745: }
746: $output .= &Apache::lonhtmlcommon::row_title($rowtitle,undef,'LC_oddrow_value')."\n";
747: if ($item eq 'permanentemail') {
748: $output .= $username;
749: } else {
750: $output .= '<input type="text" name="c'.$item.'" size="'.$textboxsize{$item}.'" value="" />';
751: }
752: $output .= &Apache::lonhtmlcommon::row_closure(1);
753: }
754: $output .= &Apache::lonhtmlcommon::end_pick_box();
755: $output .= <<"ENDSERVERFORM";
756: <input type="hidden" name="logtoken" value="$logtoken" />
757: <input type="hidden" name="token" value="$mailtoken" />
758: <input type="hidden" name="serverid" value="$lonhost" />
759: <input type="hidden" name="uname" value="" />
760: <input type="hidden" name="upass" value="" />
761: <input type="hidden" name="phase" value="createaccount" />
762: </form></div>
763: ENDSERVERFORM
764: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
765: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
766: my $submit_text = &mt('Create LON-CAPA account');
767: $output .= '<div class="LC_left_float"><h3>'.$lt{'lg'}.'</h3>'."\n".
768: '<form name="client" method="post" />'."\n".
769: &Apache::lonhtmlcommon::start_pick_box()."\n".
770: &Apache::lonhtmlcommon::row_title(&mt('Username'),
771: 'LC_pick_box_title')."\n".
772: $username."\n".
773: &Apache::lonhtmlcommon::row_closure(1)."\n".
774: &Apache::lonhtmlcommon::row_title(&mt('Password'),
775: 'LC_pick_box_title')."\n".
776: $upassone."\n".
777: &Apache::lonhtmlcommon::row_closure(1)."\n".
778: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
779: 'LC_pick_box_title')."\n".
780: $upasstwo."\n".
781: &Apache::lonhtmlcommon::row_closure(1)."\n".
782: &Apache::lonhtmlcommon::end_pick_box()."\n".
783: '<input type="hidden" name="uname" value="'.$username.'">'."\n".
784: '<input type="hidden" name="lextkey" value="'.$lextkey.'">'."\n".
785: '<input type="hidden" name="uextkey" value="'.$uextkey.'">'."\n".
786: '</form></div>'."\n".
787: '<div class="LC_clear_float_footer"><br /><br />'."\n".
788: '<form name="buttonform">'."\n".
789: '<input type="button" name="createaccount" value="'.
790: $submit_text.'" onclick="javascript:checkpass();" /></form></div>';
791: } else {
792: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
793: }
794: return $output;
795: }
796:
797: sub create_account {
798: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
799: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
800: $env{'form.serverid'});
801: # Error messages
802: my $error = '<span class="LC_error">'.&mt('Error:').' ';
803: my $end = '</span><br /><br />';
804: my $rtnlink = '<a href="javascript:history.back();" />'.
805: &mt('Return to previous page').'</a>'.
806: &Apache::loncommon::end_page();
807: if ($retrieved eq 'ok') {
808: if ($env{'form.courseid'} ne '') {
809: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
810: if ($result eq 'fail') {
811: $output = $error.&mt('Invalid ID format').$end.
812: $userchkmsg.$rtnlink;
813: return ('fail',$output);
814: }
815: }
816: } else {
817: return ('fail',$error.$output.$end.$rtnlink);
818: }
819: # Call modifyuser
820: my $result =
821: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
822: 'internal',$upass,$env{'form.cfirstname'},
823: $env{'form.cmiddlename'},$env{'form.clastname'},
824: $env{'form.cgeneration'},undef,undef,$username);
825: $output = &mt('Generating user: [_1]',$result);
826: my $uhome = &Apache::lonnet::homeserver($username,$domain);
827: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
828: &Apache::lonnet::hostname($uhome).'<br /><br />';
829: return ('ok',$output);
830: }
831:
832: sub username_validation {
833: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
834: $lonhost) = @_;
835: my ($retrieved,$output,$upass);
836:
837: $username= &LONCAPA::clean_username($username);
838: $domain = &LONCAPA::clean_domain($domain);
839: my $uhome = &Apache::lonnet::homeserver($username,$domain);
840:
841: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
842: $env{'form.serverid'});
843: if ($retrieved ne 'ok') {
844: return ('fail',$output);
845: }
846: if ($uhome ne 'no_host') {
847: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
848: if ($result ne 'no_host') {
849: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
850: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
851: return ('existingaccount',$output);
852: } else {
853: $output = &login_failure_msg($courseid);
854: }
855: } else {
856: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
857: my $authok;
858: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
859: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
860: my $checkdefauth = 1;
861: $authok =
862: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
863: } else {
864: $authok = 'non_authorized';
865: }
866: if ($authok eq 'authorized') {
867: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
868: $contact_email,$contact_name);
869: } else {
870: $output = &login_failure_msg($courseid);
871: }
872: }
873: return ('ok',$output);
874: }
875:
876: sub login_failure_msg {
877: my ($courseid) = @_;
878: my $url;
879: if ($courseid ne '') {
880: $url = "/adm/selfenroll?courseid=".$courseid;
881: } else {
882: $url = "/adm/createaccount";
883: }
884: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
885: &mt('Username and/or password could not be authenticated.').
886: '</div>'.
887: &mt('Please check the username and password.').'<br /><br />';
888: '<a href="'.$url.'">'.&mt('Try again').'</a>';
889: return $output;
890: }
891:
892: sub username_check {
893: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
894: $sso_logout) = @_;
895: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
896: %alerts,%curr_rules,%got_rules);
897: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
898: \%inst_results,\%curr_rules,%got_rules,'username');
899: if (ref($alerts{'username'}) eq 'HASH') {
900: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
901: if ($alerts{'username'}{$domain}{$username}) {
902: if (ref($curr_rules{$domain}) eq 'HASH') {
903: $output =
904: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
905: 'selfcreate').
906: &Apache::loncommon::user_rule_formats($domain,$domdesc,
907: $curr_rules{$domain}{'username'},'username');
908: }
909: $checkfail = 'username';
910: }
911: }
912: }
913: if (!$checkfail) {
914: $output = '<form method="post" action="/adm/createaccount">';
915: (my $datatable,$rowcount,$editable) =
916: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
917: $inst_results{$username.':'.$domain});
918: if ($rowcount > 0) {
919: $output .= $datatable;
920: }
921: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
922: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
923: '<input type="hidden" name="phase" value="username_activation" />';
924: my $now = time;
925: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
926: 'time' => $now,
927: 'domain' => $domain,
928: 'username' => $username);
929: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
930: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
931: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
932: } else {
933: $output = &mt('An error occurred when storing a token').'<br />'.
934: &mt('You will not be able to proceed to the next stage of account creation').
935: &linkto_email_help($contact_email,$domdesc);
936: $checkfail = 'authtoken';
937: }
938: }
939: if ($checkfail) {
940: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
941: if ($checkfail eq 'username') {
942: $msg .= '<span class="LC_warning">'.
943: &mt('A LON-CAPA account may not be created with the username you use.').
944: '</span><br /><br />'.$output;
945: } elsif ($checkfail eq 'authtoken') {
946: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
947: '<br />'.$output;
948: }
949: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
950: $contact_name,$contact_email).'<br /><hr />'.
951: $sso_logout;
952: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
953: } else {
954: if ($courseid ne '') {
955: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
956: }
957: $output .= '<input type="submit" name="newaccount" value="'.
958: &mt('Create LON-CAPA account').'" /></form>';
959: if ($rowcount) {
960: if ($editable) {
961: if ($courseid ne '') {
962: $msg = '<h4>'.&mt('User information').'</h4>';
963: }
964: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
965: } else {
966: if ($courseid ne '') {
967: $msg = '<h4>'.&mt('Review user information').'</h4>';
968: }
969: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
970: }
971: } else {
972: if ($courseid ne '') {
973: $msg = '<h4>'.&mt('Confirmation').'</h4>';
974: }
975: $msg .= &mt('Confirm that you wish to create an account.');
976: }
977: $msg .= $output;
978: }
979: return $msg;
980: }
981:
982: sub username_activation {
983: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
984: my $output;
985: my $error = '<span class="LC_error">'.&mt('Error:').' ';
986: my $end = '</span><br /><br />';
987: my $rtnlink = '<a href="javascript:history.back();" />'.
988: &mt('Return to previous page').'</a>'.
989: &Apache::loncommon::end_page();
990: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
991: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
992: my $now = time;
993: my $earlyout;
994: my $timeout = 300;
995: if (keys(%data) == 0) {
996: $output = &mt('Sorry, your authentication has expired.');
997: $earlyout = 'fail';
998: }
999: if (($data{'time'} !~ /^\d+$/) ||
1000: ($data{'domain'} ne $domain) ||
1001: ($data{'username'} ne $username)) {
1002: $earlyout = 'fail';
1003: $output = &mt('The credentials you provided could not be verified.');
1004: } elsif ($now - $data{'time'} > $timeout) {
1005: $earlyout = 'fail';
1006: $output = &mt('Sorry, your authentication has expired.');
1007: }
1008: if ($earlyout ne '') {
1009: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1010: return($earlyout,$output);
1011: }
1012: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1013: ($domdefaults{'auth_arg_def'} ne '')) ||
1014: ($domdefaults{'auth_def'} eq 'localauth')) {
1015: if ($env{'form.courseid'} ne '') {
1016: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1017: if ($result eq 'fail') {
1018: $output = $error.&mt('Invalid ID format').$end.
1019: $userchkmsg.$rtnlink;
1020: return ('fail',$output);
1021: }
1022: }
1023: # Call modifyuser
1024: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1025: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1026: \%inst_results,\%curr_rules,%got_rules);
1027: my @userinfo = ('firstname','middlename','lastname','generation',
1028: 'permanentemail','id');
1029: my %canmodify =
1030: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1031: \@userinfo,\%inst_results);
1032: foreach my $item (@userinfo) {
1033: if ($canmodify{$item}) {
1034: $info{$item} = $env{'form.c'.$item};
1035: } else {
1036: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1037: }
1038: }
1039: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1040: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1041: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1042: }
1043: my $result =
1044: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1045: $domdefaults{'auth_def'},
1046: $domdefaults{'auth_arg_def'},$info{'firstname'},
1047: $info{'middlename'},$info{'lastname'},
1048: $info{'generation'},undef,undef,
1049: $info{'permanentemail'},$info{'inststatus'});
1050: if ($result eq 'ok') {
1051: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1052: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1053: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1054: my $nostart = 1;
1055: return ('ok',$output,$nostart);
1056: } else {
1057: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1058: return ('fail',$output);
1059: }
1060: } else {
1061: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1062: return('fail',$output);
1063: }
1064: }
1065:
1066: sub check_id {
1067: my ($username,$domain,$domdesc) = @_;
1068: # Check ID format
1069: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1070: my %checks = ('id' => 1);
1071: %{$checkhash{$username.':'.$domain}} = (
1072: 'newuser' => 1,
1073: 'id' => $env{'form.cid'},
1074: );
1075: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1076: \%rulematch,\%inst_results,\%curr_rules);
1077: if (ref($alerts{'id'}) eq 'HASH') {
1078: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1079: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1080: my $userchkmsg;
1081: if (ref($curr_rules{$domain}) eq 'HASH') {
1082: $userchkmsg =
1083: &Apache::loncommon::instrule_disallow_msg('id',
1084: $domdesc,1).
1085: &Apache::loncommon::user_rule_formats($domain,
1086: $domdesc,$curr_rules{$domain}{'id'},'id');
1087: }
1088: return ('fail',$userchkmsg);
1089: }
1090: }
1091: }
1092: return;
1093: }
1094:
1095: sub invalid_state {
1096: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1097: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1098: if ($error eq 'baduseremail') {
1099: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1100: } elsif ($error eq 'existinguser') {
1101: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1102: } elsif ($error eq 'userrules') {
1103: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1104: } elsif ($error eq 'userformat') {
1105: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1106: } elsif ($error eq 'captcha') {
1107: $msg = &mt('Validation of the code your entered failed.');
1108: } elsif ($error eq 'noemails') {
1109: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1110: }
1111: $msg .= '</span>';
1112: if ($msgtext) {
1113: $msg .= '<br />'.$msgtext;
1114: }
1115: $msg .= &linkto_email_help($contact_email,$domdesc);
1116: return $msg;
1117: }
1118:
1119: sub linkto_email_help {
1120: my ($contact_email,$domdesc) = @_;
1121: my $msg;
1122: if ($contact_email ne '') {
1123: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1124: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1125: } else {
1126: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1127: }
1128: return $msg;
1129: }
1130:
1131: sub create_captcha {
1132: my ($output_dir,$db_dir) = @_;
1133: my %captcha_params = &captcha_settings();
1134: my ($output,$maxtries,$tries) = ('',10,0);
1135: while ($tries < $maxtries) {
1136: $tries ++;
1137: my $captcha = Authen::Captcha->new (
1138: output_folder => $captcha_params{'output_dir'},
1139: data_folder => $captcha_params{'db_dir'},
1140: );
1141: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1142:
1143: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1144: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1145: &mt('Type in the letters/numbers shown below').' '.
1146: '<input type="text" size="5" name="code" value="" /><br />'.
1147: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
1148: last;
1149: }
1150: }
1151: return $output;
1152: }
1153:
1154: sub captcha_settings {
1155: my %captcha_params = (
1156: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1157: www_output_dir => "/captchaspool",
1158: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1159: numchars => '5',
1160: );
1161: return %captcha_params;
1162: }
1163:
1164: sub getkeys {
1165: my ($lkey,$ukey) = @_;
1166: my $lextkey=hex($lkey);
1167: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1168:
1169: my $uextkey=hex($ukey);
1170: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1171: return ($lextkey,$uextkey);
1172: }
1173:
1174: sub serverform {
1175: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1176: my $phase = 'username_validation';
1177: my $catalog_elements;
1178: if ($context eq 'selfenroll') {
1179: $phase = 'selfenroll_login';
1180: }
1181: if ($courseid ne '') {
1182: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1183: }
1184: my $output = <<ENDSERVERFORM;
1185: <form name="server" method="post" action="/adm/createaccount">
1186: <input type="hidden" name="logtoken" value="$logtoken" />
1187: <input type="hidden" name="token" value="$mailtoken" />
1188: <input type="hidden" name="serverid" value="$lonhost" />
1189: <input type="hidden" name="uname" value="" />
1190: <input type="hidden" name="upass" value="" />
1191: <input type="hidden" name="phase" value="$phase" />
1192: <input type="hidden" name="courseid" value="$courseid" />
1193: $catalog_elements
1194: </form>
1195: ENDSERVERFORM
1196: return $output;
1197: }
1198:
1199: sub process_credentials {
1200: my ($logtoken,$lonhost) = @_;
1201: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1202: my ($retrieved,$output,$upass);
1203: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1204: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1205: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1206: return ($retrieved,$output,$upass);
1207: } else {
1208: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1209: if ($reply eq 'ok') {
1210: $retrieved = 'ok';
1211: } else {
1212: $output = &mt('Session could not be opened.');
1213: }
1214: }
1215: my ($key,$caller)=split(/&/,$tmpinfo);
1216: if ($caller eq 'createaccount') {
1217: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1218: } else {
1219: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1220: }
1221: return ($retrieved,$output,$upass);
1222: }
1223:
1224: sub guest_format_check {
1225: my ($useremail,$domain,$cancreate,$settings) = @_;
1226: my ($login,$format_match,$format_msg,@user_rules);
1227: if (ref($settings) eq 'HASH') {
1228: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1229: push(@user_rules,@{$settings->{'email_rule'}});
1230: }
1231: }
1232: if (@user_rules > 0) {
1233: my %rule_check =
1234: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1235: 'selfcreate',\@user_rules);
1236: if (keys(%rule_check) > 0) {
1237: foreach my $item (keys(%rule_check)) {
1238: if ($rule_check{$item}) {
1239: $format_match = 1;
1240: last;
1241: }
1242: }
1243: }
1244: }
1245: if ($format_match) {
1246: ($login) = ($useremail =~ /^([^\@]+)\@/);
1247: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1248: if (ref($cancreate) eq 'ARRAY') {
1249: if (grep(/^login$/,@{$cancreate})) {
1250: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1251: }
1252: }
1253: }
1254: return $format_msg;
1255: }
1256:
1257: sub sso_logout_frag {
1258: my ($r,$domain) = @_;
1259: my $endsessionmsg;
1260: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1261: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1262: if (-e $msgfile) {
1263: open(my $fh,"<$msgfile");
1264: $endsessionmsg = join('',<$fh>);
1265: close($fh);
1266: }
1267: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1268: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1269: if (-e $msgfile) {
1270: open(my $fh,"<$msgfile");
1271: $endsessionmsg = join('',<$fh>);
1272: close($fh);
1273: }
1274: }
1275: return $endsessionmsg;
1276: }
1277:
1278: sub catreturn_js {
1279: return <<"ENDSCRIPT";
1280: <script type="text/javascript">
1281:
1282: function ToSelfenroll(formname) {
1283: var formidx = getFormByName(formname);
1284: if (formidx > -1) {
1285: document.forms[formidx].action = '/adm/selfenroll';
1286: numidx = getIndexByName(formidx,'phase');
1287: if (numidx > -1) {
1288: document.forms[formidx].elements[numidx].value = '';
1289: }
1290: numidx = getIndexByName(formidx,'context');
1291: if (numidx > -1) {
1292: document.forms[formidx].elements[numidx].value = '';
1293: }
1294: }
1295: document.forms[formidx].submit();
1296: }
1297:
1298: function ToCatalog(formname,caller) {
1299: var formidx = getFormByName(formname);
1300: if (formidx > -1) {
1301: document.forms[formidx].action = '/adm/coursecatalog';
1302: numidx = getIndexByName(formidx,'coursenum');
1303: if (numidx > -1) {
1304: if (caller != 'details') {
1305: document.forms[formidx].elements[numidx].value = '';
1306: }
1307: }
1308: }
1309: document.forms[formidx].submit();
1310: }
1311:
1312: function getIndexByName(formidx,item) {
1313: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1314: if (document.forms[formidx].elements[i].name == item) {
1315: return i;
1316: }
1317: }
1318: return -1;
1319: }
1320:
1321: function getFormByName(item) {
1322: for (var i=0; i<document.forms.length; i++) {
1323: if (document.forms[i].name == item) {
1324: return i;
1325: }
1326: }
1327: return -1;
1328: }
1329:
1330: </script>
1331: ENDSCRIPT
1332:
1333: }
1334:
1335: 1;
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