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 1.34 2009/04/04 21:47:40 bisitz Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::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 = $env{'form.udom'};
114: }
115: my ($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 $js = <<ENDSCRIPT;
316: <script type="text/javascript" language="JavaScript">
317: function send() {
318: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
319: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
320: uextkey=this.document.client.elements.uextkey.value;
321: lextkey=this.document.client.elements.lextkey.value;
322: initkeys();
323:
324: this.document.server.elements.upass.value
325: = crypted(this.document.client.elements.upass$now.value);
326:
327: this.document.client.elements.uname.value='';
328: this.document.client.elements.upass$now.value='';
329:
330: this.document.server.submit();
331: return false;
332: }
333: </script>
334: ENDSCRIPT
335: return $js;
336: }
337:
338: sub javascript_checkpass {
339: my ($now) = @_;
340: my $nopass = &mt('You must enter a password.');
341: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
342: &mt('Please try again.');
343: my $js = <<"ENDSCRIPT";
344: <script type="text/javascript" language="JavaScript">
345: function checkpass() {
346: var upass = this.document.client.elements.upass$now.value;
347: var upasscheck = this.document.client.elements.upasscheck$now.value;
348: if (upass == '') {
349: alert("$nopass");
350: return false;
351: }
352: if (upass == upasscheck) {
353: this.document.client.elements.upasscheck$now.value='';
354: send();
355: return false;
356: } else {
357: alert("$mismatchpass");
358: return false;
359: }
360: }
361: </script>
362: ENDSCRIPT
363: return $js;
364: }
365:
366: sub javascript_validmail {
367: my %lt = &Apache::lonlocal::texthash (
368: email => 'The e-mail address you entered',
369: notv => 'is not a valid e-mail address',
370: );
371: my $output = "\n".'<script type="text/javascript">'."\n".
372: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
373: $output .= <<"ENDSCRIPT";
374: function validate_email() {
375: field = document.createaccount.useremail;
376: if (validmail(field) == false) {
377: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
378: return false;
379: }
380: return true;
381: }
382: ENDSCRIPT
383: $output .= "\n".'</script>'."\n";
384: return $output;
385: }
386:
387: sub print_username_form {
388: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
389: my %lt = &Apache::lonlocal::texthash(
390: unam => 'username',
391: udom => 'domain',
392: uemail => 'E-mail address in LON-CAPA',
393: proc => 'Proceed');
394: my $output;
395: if (ref($cancreate) eq 'ARRAY') {
396: if (grep(/^login$/,@{$cancreate})) {
397: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
398: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
399: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
400: my $submit_text = &mt('Create LON-CAPA account');
401: $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 />';
402: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
403: $domain,'createaccount').'</div>';
404: }
405: }
406: if (grep(/^email$/,@{$cancreate})) {
407: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
408: my $captchaform = &create_captcha();
409: if ($captchaform) {
410: my $submit_text = &mt('Request LON-CAPA account');
411: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
412: if (grep(/^login$/,@{$cancreate})) {
413: $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 />';
414: } else {
415: $output .= '<br />';
416: }
417: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
418: &Apache::lonhtmlcommon::start_pick_box()."\n".
419: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
420: 'LC_pick_box_title')."\n".
421: $emailform."\n".
422: &Apache::lonhtmlcommon::row_closure(1).
423: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
424: 'LC_pick_box_title')."\n".
425: $captchaform."\n".'<br /><br />';
426: if ($courseid ne '') {
427: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
428: }
429: $output .= &Apache::lonhtmlcommon::row_closure(1).
430: &Apache::lonhtmlcommon::row_title().'<br />'.
431: '<input type="submit" name="create_with_email" value="'.
432: $submit_text.'" />'.
433: &Apache::lonhtmlcommon::row_closure(1).
434: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
435: if ($courseid ne '') {
436: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
437: }
438: $output .= '</form>';
439: } else {
440: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
441: if ($courseid ne '') {
442: $helpdesk .= '&courseid='.$courseid;
443: }
444: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
445: }
446: $output .= '</div>';
447: }
448: }
449: if ($output eq '') {
450: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
451: } else {
452: $output .= '<div class="LC_clear_float_footer"></div>';
453: }
454: return $output;
455: }
456:
457: sub login_box {
458: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
459: my $output;
460: my %titles = &Apache::lonlocal::texthash(
461: createaccount => 'Log-in ID',
462: selfenroll => 'Username',
463: );
464: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
465: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
466: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
467: $lonhost);
468: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
469: my $unameform = '<input type="text" name="uname" size="20" value="" />';
470: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
471: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
472: &Apache::lonhtmlcommon::start_pick_box()."\n".
473: &Apache::lonhtmlcommon::row_title($titles{$context},
474: 'LC_pick_box_title')."\n".
475: $unameform."\n".
476: &Apache::lonhtmlcommon::row_closure(1)."\n".
477: &Apache::lonhtmlcommon::row_title(&mt('Password'),
478: 'LC_pick_box_title')."\n".
479: $upassform;
480: if ($context eq 'selfenroll') {
481: my $udomform = '<input type="text" name="udom" size="10" value="'.
482: $domain.'" />';
483: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
484: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
485: 'LC_pick_box_title')."\n".
486: $udomform."\n";
487: } else {
488: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
489: }
490: $output .= &Apache::lonhtmlcommon::row_closure(1).
491: &Apache::lonhtmlcommon::row_title().
492: '<br /><input type="submit" name="username_validation" value="'.
493: $submit_text.'" />'."\n";
494: if ($context eq 'selfenroll') {
495: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
496: '<span class="LC_fontsize_medium">'.
497: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
498: '</span></td></tr></table>'."\n";
499: }
500: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
501: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
502: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
503: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
504: '</form>';
505: return $output;
506: }
507:
508: sub process_email_request {
509: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
510: $server,$settings,$courseid) = @_;
511: $useremail = $env{'form.useremail'};
512: my $output;
513: if (ref($cancreate) eq 'ARRAY') {
514: if (!grep(/^email$/,@{$cancreate})) {
515: $output = &invalid_state('noemails',$domdesc,
516: $contact_name,$contact_email);
517: return $output;
518: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
519: $output = &invalid_state('baduseremail',$domdesc,
520: $contact_name,$contact_email);
521: return $output;
522: } else {
523: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
524: if ($uhome ne 'no_host') {
525: $output = &invalid_state('existinguser',$domdesc,
526: $contact_name,$contact_email);
527: return $output;
528: } else {
529: my $code = $env{'form.code'};
530: my $md5sum = $env{'form.crypt'};
531: my %captcha_params = &captcha_settings();
532: my $captcha = Authen::Captcha->new(
533: output_folder => $captcha_params{'output_dir'},
534: data_folder => $captcha_params{'db_dir'},
535: );
536: my $captcha_chk = $captcha->check_code($code,$md5sum);
537: my %captcha_hash = (
538: 0 => 'Code not checked (file error)',
539: -1 => 'Failed: code expired',
540: -2 => 'Failed: invalid code (not in database)',
541: -3 => 'Failed: invalid code (code does not match crypt)',
542: );
543: if ($captcha_chk != 1) {
544: $output = &invalid_state('captcha',$domdesc,$contact_name,
545: $contact_email,$captcha_hash{$captcha_chk});
546: return $output;
547: }
548: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
549: if ($uhome eq 'no_host') {
550: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
551: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
552: \%inst_results,\%curr_rules,%got_rules,'username');
553: if (ref($alerts{'username'}) eq 'HASH') {
554: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
555: if ($alerts{'username'}{$domain}{$useremail}) {
556: $output = &invalid_state('userrules',$domdesc,
557: $contact_name,$contact_email);
558: return $output;
559: }
560: }
561: }
562: my $format_msg =
563: &guest_format_check($useremail,$domain,$cancreate,
564: $settings);
565: if ($format_msg) {
566: $output = &invalid_state('userformat',$domdesc,$contact_name,
567: $contact_email,$format_msg);
568: return $output;
569: }
570: }
571: }
572: }
573: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
574: $contact_email,$courseid);
575: }
576: return $output;
577: }
578:
579: sub call_rulecheck {
580: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
581: $got_rules,$tocheck) = @_;
582: my ($checkhash,$checks);
583: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
584: if ($tocheck eq 'username') {
585: $checks = { 'username' => 1 };
586: }
587: &Apache::loncommon::user_rule_check($checkhash,$checks,
588: $alerts,$rulematch,$inst_results,$curr_rules,
589: $got_rules);
590: return;
591: }
592:
593: sub send_token {
594: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
595: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
596: &mt('Thank you for your request to create a new LON-CAPA account.').
597: '<br /><br />';
598: my $now = time;
599: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
600: 'time' => $now,
601: 'domain' => $domain,
602: 'username' => $email,
603: 'courseid' => $courseid);
604: my $token = &Apache::lonnet::tmpput(\%info,$server);
605: if ($token !~ /^error/ && $token ne 'no_such_host') {
606: my $esc_token = &escape($token);
607: my $showtime = localtime(time);
608: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
609: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
610: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
611: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
612: $contact_email);
613: if ($result eq 'ok') {
614: $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>');
615: } else {
616: $msg .= '<span class="LC_error">'.
617: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
618: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
619: }
620: } else {
621: $msg .= '<span class="LC_error">'.
622: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
623: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
624: }
625: return $msg;
626: }
627:
628: sub process_mailtoken {
629: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
630: $include,$start_page) = @_;
631: my ($msg,$nostart,$noend);
632: my %data = &Apache::lonnet::tmpget($token);
633: my $now = time;
634: if (keys(%data) == 0) {
635: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
636: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
637: .' '.&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>');
638: return $msg;
639: }
640: if (($data{'time'} =~ /^\d+$/) &&
641: ($data{'domain'} ne '') &&
642: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
643: if ($now - $data{'time'} < 7200) {
644: if ($env{'form.phase'} eq 'createaccount') {
645: my ($result,$output) = &create_account($r,$domain,$lonhost,
646: $data{'username'},$domdesc);
647: if ($result eq 'ok') {
648: $msg = $output;
649: my $shownow = &Apache::lonlocal::locallocaltime($now);
650: 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";
651: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
652: $mailmsg,$contact_name,
653: $contact_email);
654: if ($mailresult eq 'ok') {
655: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
656: } else {
657: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
658: }
659: my %form = &start_session($r,$data{'username'},$domain,
660: $lonhost,$data{'courseid'},
661: $token);
662: $nostart = 1;
663: $noend = 1;
664: } else {
665: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
666: .'<br />'.$output
667: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
668: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
669: }
670: my $delete = &Apache::lonnet::tmpdel($token);
671: } else {
672: $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 />';
673: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
674: $nostart = 1;
675: }
676: } else {
677: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
678: .' '.&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>');
679: }
680: } else {
681: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
682: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
683: }
684: return ($msg,$nostart,$noend);
685: }
686:
687: sub start_session {
688: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
689: my %form = (
690: uname => $username,
691: udom => $domain,
692: );
693: my $firsturl = '/adm/roles';
694: if (defined($courseid)) {
695: $courseid = &validate_course($courseid);
696: if ($courseid ne '') {
697: $form{'courseid'} = $courseid;
698: $firsturl = '/adm/selfenroll?courseid='.$courseid;
699: }
700: }
701: if ($r->dir_config('lonBalancer') eq 'yes') {
702: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
703: $lonhost,'noredirect',undef,\%form);
704: if ($token ne '') {
705: my $delete = &Apache::lonnet::tmpdel($token);
706: }
707: $r->internal_redirect('/adm/switchserver');
708: } else {
709: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
710: $lonhost,$firsturl,undef,\%form);
711: }
712: return %form;
713: }
714:
715:
716: sub print_dataentry_form {
717: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
718: my ($error,$output);
719: &print_header($r,$start_page);
720: if (open(my $jsh,"<$include/londes.js")) {
721: while(my $line = <$jsh>) {
722: $r->print($line);
723: }
724: close($jsh);
725: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
726: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
727: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
728: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
729: $lonhost);
730: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
731: my ($datatable,$rowcount) =
732: &Apache::loncreateuser::personal_data_display($username,$domain,
733: 'email','selfcreate');
734: if ($rowcount) {
735: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
736: } else {
737: $output .= $formtag;
738: }
739: $output .= <<"ENDSERVERFORM";
740: <input type="hidden" name="logtoken" value="$logtoken" />
741: <input type="hidden" name="token" value="$mailtoken" />
742: <input type="hidden" name="serverid" value="$lonhost" />
743: <input type="hidden" name="uname" value="" />
744: <input type="hidden" name="upass" value="" />
745: <input type="hidden" name="udom" value="" />
746: <input type="hidden" name="phase" value="createaccount" />
747: </form>
748: ENDSERVERFORM
749: if ($rowcount) {
750: $output .= '</div>'.
751: '<div class="LC_left_float">';
752: }
753: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
754: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
755: my $submit_text = &mt('Create LON-CAPA account');
756: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
757: '<form name="client" method="post" '.
758: 'onsubmit="return checkpass();">'."\n".
759: &Apache::lonhtmlcommon::start_pick_box()."\n".
760: &Apache::lonhtmlcommon::row_title(&mt('Username'),
761: 'LC_pick_box_title',
762: 'LC_oddrow_value')."\n".
763: $username."\n".
764: &Apache::lonhtmlcommon::row_closure(1)."\n".
765: &Apache::lonhtmlcommon::row_title(&mt('Password'),
766: 'LC_pick_box_title',
767: 'LC_oddrow_value')."\n".
768: $upassone."\n".
769: &Apache::lonhtmlcommon::row_closure(1)."\n".
770: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
771: 'LC_pick_box_title',
772: 'LC_oddrow_value')."\n".
773: $upasstwo.
774: &Apache::lonhtmlcommon::row_closure(1)."\n".
775: &Apache::lonhtmlcommon::row_title()."\n".
776: '<br /><input type="submit" name="createaccount" value="'.
777: $submit_text.'" />'.
778: &Apache::lonhtmlcommon::row_closure(1)."\n".
779: &Apache::lonhtmlcommon::end_pick_box()."\n".
780: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
781: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
782: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
783: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
784: '</form>';
785: if ($rowcount) {
786: $output .= '</div>'."\n".
787: '<div class="LC_clear_float_footer"></div>'."\n";
788: }
789: } else {
790: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
791: }
792: return $output;
793: }
794:
795: sub create_account {
796: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
797: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
798: $env{'form.serverid'});
799: # Error messages
800: my $error = '<span class="LC_error">'.&mt('Error:').' ';
801: my $end = '</span><br /><br />';
802: my $rtnlink = '<a href="javascript:history.back();" />'.
803: &mt('Return to previous page').'</a>'.
804: &Apache::loncommon::end_page();
805: if ($retrieved eq 'ok') {
806: if ($env{'form.courseid'} ne '') {
807: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
808: if ($result eq 'fail') {
809: $output = $error.&mt('Invalid ID format').$end.
810: $userchkmsg.$rtnlink;
811: return ('fail',$output);
812: }
813: }
814: } else {
815: return ('fail',$error.$output.$end.$rtnlink);
816: }
817: # Call modifyuser
818: my $result =
819: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
820: 'internal',$upass,$env{'form.cfirstname'},
821: $env{'form.cmiddlename'},$env{'form.clastname'},
822: $env{'form.cgeneration'},undef,undef,$username);
823: $output = &mt('Generating user: [_1]',$result);
824: my $uhome = &Apache::lonnet::homeserver($username,$domain);
825: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
826: &Apache::lonnet::hostname($uhome).'<br /><br />';
827: return ('ok',$output);
828: }
829:
830: sub username_validation {
831: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
832: $lonhost) = @_;
833: my ($retrieved,$output,$upass);
834:
835: $username= &LONCAPA::clean_username($username);
836: $domain = &LONCAPA::clean_domain($domain);
837: my $uhome = &Apache::lonnet::homeserver($username,$domain);
838:
839: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
840: $env{'form.serverid'});
841: if ($retrieved ne 'ok') {
842: return ('fail',$output);
843: }
844: if ($uhome ne 'no_host') {
845: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
846: if ($result ne 'no_host') {
847: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
848: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
849: return ('existingaccount',$output);
850: } else {
851: $output = &login_failure_msg($courseid);
852: }
853: } else {
854: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
855: my $authok;
856: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
857: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
858: my $checkdefauth = 1;
859: $authok =
860: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
861: } else {
862: $authok = 'non_authorized';
863: }
864: if ($authok eq 'authorized') {
865: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
866: $contact_email,$contact_name);
867: } else {
868: $output = &login_failure_msg($courseid);
869: }
870: }
871: return ('ok',$output);
872: }
873:
874: sub login_failure_msg {
875: my ($courseid) = @_;
876: my $url;
877: if ($courseid ne '') {
878: $url = "/adm/selfenroll?courseid=".$courseid;
879: } else {
880: $url = "/adm/createaccount";
881: }
882: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
883: &mt('Username and/or password could not be authenticated.').
884: '</div>'.
885: &mt('Please check the username and password.').'<br /><br />';
886: '<a href="'.$url.'">'.&mt('Try again').'</a>';
887: return $output;
888: }
889:
890: sub username_check {
891: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,$contact_name,
892: $sso_logout) = @_;
893: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
894: %alerts,%curr_rules,%got_rules);
895: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
896: \%inst_results,\%curr_rules,%got_rules,'username');
897: if (ref($alerts{'username'}) eq 'HASH') {
898: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
899: if ($alerts{'username'}{$domain}{$username}) {
900: if (ref($curr_rules{$domain}) eq 'HASH') {
901: $output =
902: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
903: 'selfcreate').
904: &Apache::loncommon::user_rule_formats($domain,$domdesc,
905: $curr_rules{$domain}{'username'},'username');
906: }
907: $checkfail = 'username';
908: }
909: }
910: }
911: if (!$checkfail) {
912: $output = '<form method="post" action="/adm/createaccount">';
913: (my $datatable,$rowcount,$editable) =
914: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
915: $inst_results{$username.':'.$domain});
916: if ($rowcount > 0) {
917: $output .= $datatable;
918: }
919: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
920: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
921: '<input type="hidden" name="phase" value="username_activation" />';
922: my $now = time;
923: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
924: 'time' => $now,
925: 'domain' => $domain,
926: 'username' => $username);
927: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
928: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
929: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
930: } else {
931: $output = &mt('An error occurred when storing a token').'<br />'.
932: &mt('You will not be able to proceed to the next stage of account creation').
933: &linkto_email_help($contact_email,$domdesc);
934: $checkfail = 'authtoken';
935: }
936: }
937: if ($checkfail) {
938: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
939: if ($checkfail eq 'username') {
940: $msg .= '<span class="LC_warning">'.
941: &mt('A LON-CAPA account may not be created with the username you use.').
942: '</span><br /><br />'.$output;
943: } elsif ($checkfail eq 'authtoken') {
944: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
945: '<br />'.$output;
946: }
947: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
948: $contact_name,$contact_email).'<br /><hr />'.
949: $sso_logout;
950: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
951: } else {
952: if ($courseid ne '') {
953: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
954: }
955: $output .= '<input type="submit" name="newaccount" value="'.
956: &mt('Create LON-CAPA account').'" /></form>';
957: if ($rowcount) {
958: if ($editable) {
959: if ($courseid ne '') {
960: $msg = '<h4>'.&mt('User information').'</h4>';
961: }
962: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
963: } else {
964: if ($courseid ne '') {
965: $msg = '<h4>'.&mt('Review user information').'</h4>';
966: }
967: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
968: }
969: } else {
970: if ($courseid ne '') {
971: $msg = '<h4>'.&mt('Confirmation').'</h4>';
972: }
973: $msg .= &mt('Confirm that you wish to create an account.');
974: }
975: $msg .= $output;
976: }
977: return $msg;
978: }
979:
980: sub username_activation {
981: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
982: my $output;
983: my $error = '<span class="LC_error">'.&mt('Error:').' ';
984: my $end = '</span><br /><br />';
985: my $rtnlink = '<a href="javascript:history.back();" />'.
986: &mt('Return to previous page').'</a>'.
987: &Apache::loncommon::end_page();
988: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
989: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
990: my $now = time;
991: my $earlyout;
992: my $timeout = 300;
993: if (keys(%data) == 0) {
994: $output = &mt('Sorry, your authentication has expired.');
995: $earlyout = 'fail';
996: }
997: if (($data{'time'} !~ /^\d+$/) ||
998: ($data{'domain'} ne $domain) ||
999: ($data{'username'} ne $username)) {
1000: $earlyout = 'fail';
1001: $output = &mt('The credentials you provided could not be verified.');
1002: } elsif ($now - $data{'time'} > $timeout) {
1003: $earlyout = 'fail';
1004: $output = &mt('Sorry, your authentication has expired.');
1005: }
1006: if ($earlyout ne '') {
1007: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1008: return($earlyout,$output);
1009: }
1010: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1011: ($domdefaults{'auth_arg_def'} ne '')) ||
1012: ($domdefaults{'auth_def'} eq 'localauth')) {
1013: if ($env{'form.courseid'} ne '') {
1014: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1015: if ($result eq 'fail') {
1016: $output = $error.&mt('Invalid ID format').$end.
1017: $userchkmsg.$rtnlink;
1018: return ('fail',$output);
1019: }
1020: }
1021: # Call modifyuser
1022: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1023: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1024: \%inst_results,\%curr_rules,%got_rules);
1025: my @userinfo = ('firstname','middlename','lastname','generation',
1026: 'permanentemail','id');
1027: my %canmodify =
1028: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1029: \@userinfo,\%inst_results);
1030: foreach my $item (@userinfo) {
1031: if ($canmodify{$item}) {
1032: $info{$item} = $env{'form.c'.$item};
1033: } else {
1034: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1035: }
1036: }
1037: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1038: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1039: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1040: }
1041: my $result =
1042: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1043: $domdefaults{'auth_def'},
1044: $domdefaults{'auth_arg_def'},$info{'firstname'},
1045: $info{'middlename'},$info{'lastname'},
1046: $info{'generation'},undef,undef,
1047: $info{'permanentemail'},$info{'inststatus'});
1048: if ($result eq 'ok') {
1049: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1050: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1051: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1052: my $nostart = 1;
1053: return ('ok',$output,$nostart);
1054: } else {
1055: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1056: return ('fail',$output);
1057: }
1058: } else {
1059: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1060: return('fail',$output);
1061: }
1062: }
1063:
1064: sub check_id {
1065: my ($username,$domain,$domdesc) = @_;
1066: # Check ID format
1067: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1068: my %checks = ('id' => 1);
1069: %{$checkhash{$username.':'.$domain}} = (
1070: 'newuser' => 1,
1071: 'id' => $env{'form.cid'},
1072: );
1073: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1074: \%rulematch,\%inst_results,\%curr_rules);
1075: if (ref($alerts{'id'}) eq 'HASH') {
1076: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1077: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1078: my $userchkmsg;
1079: if (ref($curr_rules{$domain}) eq 'HASH') {
1080: $userchkmsg =
1081: &Apache::loncommon::instrule_disallow_msg('id',
1082: $domdesc,1).
1083: &Apache::loncommon::user_rule_formats($domain,
1084: $domdesc,$curr_rules{$domain}{'id'},'id');
1085: }
1086: return ('fail',$userchkmsg);
1087: }
1088: }
1089: }
1090: return;
1091: }
1092:
1093: sub invalid_state {
1094: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1095: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1096: if ($error eq 'baduseremail') {
1097: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1098: } elsif ($error eq 'existinguser') {
1099: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1100: } elsif ($error eq 'userrules') {
1101: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1102: } elsif ($error eq 'userformat') {
1103: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1104: } elsif ($error eq 'captcha') {
1105: $msg = &mt('Validation of the code your entered failed.');
1106: } elsif ($error eq 'noemails') {
1107: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1108: }
1109: $msg .= '</span>';
1110: if ($msgtext) {
1111: $msg .= '<br />'.$msgtext;
1112: }
1113: $msg .= &linkto_email_help($contact_email,$domdesc);
1114: return $msg;
1115: }
1116:
1117: sub linkto_email_help {
1118: my ($contact_email,$domdesc) = @_;
1119: my $msg;
1120: if ($contact_email ne '') {
1121: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1122: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1123: } else {
1124: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1125: }
1126: return $msg;
1127: }
1128:
1129: sub create_captcha {
1130: my ($output_dir,$db_dir) = @_;
1131: my %captcha_params = &captcha_settings();
1132: my ($output,$maxtries,$tries) = ('',10,0);
1133: while ($tries < $maxtries) {
1134: $tries ++;
1135: my $captcha = Authen::Captcha->new (
1136: output_folder => $captcha_params{'output_dir'},
1137: data_folder => $captcha_params{'db_dir'},
1138: );
1139: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1140:
1141: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1142: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1143: &mt('Type in the letters/numbers shown below').' '.
1144: '<input type="text" size="5" name="code" value="" /><br />'.
1145: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png">';
1146: last;
1147: }
1148: }
1149: return $output;
1150: }
1151:
1152: sub captcha_settings {
1153: my %captcha_params = (
1154: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1155: www_output_dir => "/captchaspool",
1156: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1157: numchars => '5',
1158: );
1159: return %captcha_params;
1160: }
1161:
1162: sub getkeys {
1163: my ($lkey,$ukey) = @_;
1164: my $lextkey=hex($lkey);
1165: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1166:
1167: my $uextkey=hex($ukey);
1168: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1169: return ($lextkey,$uextkey);
1170: }
1171:
1172: sub serverform {
1173: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1174: my $phase = 'username_validation';
1175: my $catalog_elements;
1176: if ($context eq 'selfenroll') {
1177: $phase = 'selfenroll_login';
1178: }
1179: if ($courseid ne '') {
1180: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1181: }
1182: my $output = <<ENDSERVERFORM;
1183: <form name="server" method="post" action="/adm/createaccount">
1184: <input type="hidden" name="logtoken" value="$logtoken" />
1185: <input type="hidden" name="token" value="$mailtoken" />
1186: <input type="hidden" name="serverid" value="$lonhost" />
1187: <input type="hidden" name="uname" value="" />
1188: <input type="hidden" name="upass" value="" />
1189: <input type="hidden" name="udom" value="" />
1190: <input type="hidden" name="phase" value="$phase" />
1191: <input type="hidden" name="courseid" value="$courseid" />
1192: $catalog_elements
1193: </form>
1194: ENDSERVERFORM
1195: return $output;
1196: }
1197:
1198: sub process_credentials {
1199: my ($logtoken,$lonhost) = @_;
1200: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1201: my ($retrieved,$output,$upass);
1202: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1203: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1204: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1205: return ($retrieved,$output,$upass);
1206: } else {
1207: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1208: if ($reply eq 'ok') {
1209: $retrieved = 'ok';
1210: } else {
1211: $output = &mt('Session could not be opened.');
1212: }
1213: }
1214: my ($key,$caller)=split(/&/,$tmpinfo);
1215: if ($caller eq 'createaccount') {
1216: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1217: } else {
1218: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1219: }
1220: return ($retrieved,$output,$upass);
1221: }
1222:
1223: sub guest_format_check {
1224: my ($useremail,$domain,$cancreate,$settings) = @_;
1225: my ($login,$format_match,$format_msg,@user_rules);
1226: if (ref($settings) eq 'HASH') {
1227: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1228: push(@user_rules,@{$settings->{'email_rule'}});
1229: }
1230: }
1231: if (@user_rules > 0) {
1232: my %rule_check =
1233: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1234: 'selfcreate',\@user_rules);
1235: if (keys(%rule_check) > 0) {
1236: foreach my $item (keys(%rule_check)) {
1237: if ($rule_check{$item}) {
1238: $format_match = 1;
1239: last;
1240: }
1241: }
1242: }
1243: }
1244: if ($format_match) {
1245: ($login) = ($useremail =~ /^([^\@]+)\@/);
1246: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1247: if (ref($cancreate) eq 'ARRAY') {
1248: if (grep(/^login$/,@{$cancreate})) {
1249: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1250: }
1251: }
1252: }
1253: return $format_msg;
1254: }
1255:
1256: sub sso_logout_frag {
1257: my ($r,$domain) = @_;
1258: my $endsessionmsg;
1259: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1260: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1261: if (-e $msgfile) {
1262: open(my $fh,"<$msgfile");
1263: $endsessionmsg = join('',<$fh>);
1264: close($fh);
1265: }
1266: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1267: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1268: if (-e $msgfile) {
1269: open(my $fh,"<$msgfile");
1270: $endsessionmsg = join('',<$fh>);
1271: close($fh);
1272: }
1273: }
1274: return $endsessionmsg;
1275: }
1276:
1277: sub catreturn_js {
1278: return <<"ENDSCRIPT";
1279: <script type="text/javascript">
1280:
1281: function ToSelfenroll(formname) {
1282: var formidx = getFormByName(formname);
1283: if (formidx > -1) {
1284: document.forms[formidx].action = '/adm/selfenroll';
1285: numidx = getIndexByName(formidx,'phase');
1286: if (numidx > -1) {
1287: document.forms[formidx].elements[numidx].value = '';
1288: }
1289: numidx = getIndexByName(formidx,'context');
1290: if (numidx > -1) {
1291: document.forms[formidx].elements[numidx].value = '';
1292: }
1293: }
1294: document.forms[formidx].submit();
1295: }
1296:
1297: function ToCatalog(formname,caller) {
1298: var formidx = getFormByName(formname);
1299: if (formidx > -1) {
1300: document.forms[formidx].action = '/adm/coursecatalog';
1301: numidx = getIndexByName(formidx,'coursenum');
1302: if (numidx > -1) {
1303: if (caller != 'details') {
1304: document.forms[formidx].elements[numidx].value = '';
1305: }
1306: }
1307: }
1308: document.forms[formidx].submit();
1309: }
1310:
1311: function getIndexByName(formidx,item) {
1312: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1313: if (document.forms[formidx].elements[i].name == item) {
1314: return i;
1315: }
1316: }
1317: return -1;
1318: }
1319:
1320: function getFormByName(item) {
1321: for (var i=0; i<document.forms.length; i++) {
1322: if (document.forms[i].name == item) {
1323: return i;
1324: }
1325: }
1326: return -1;
1327: }
1328:
1329: </script>
1330: ENDSCRIPT
1331:
1332: }
1333:
1334: 1;
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