1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth
4: # or kerberos) or an e-mail address.
5: #
6: # $Id: createaccount.pm,v 1.40.2.5 2011/09/29 14:16:14 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Authen::Captcha;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
62: &Apache::lonacc::get_posted_cgi($r);
63: &Apache::lonlocal::get_language_handle($r);
64:
65: if ($sso_username ne '' && $sso_domain ne '') {
66: $domain = $sso_domain;
67: } else {
68: $domain = &Apache::lonnet::default_login_domain();
69: if (defined($env{'form.courseid'})) {
70: if (&validate_course($env{'form.courseid'})) {
71: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
72: $domain = $1;
73: }
74: }
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($domain,'description');
78: my $contact_name = &mt('LON-CAPA helpdesk');
79: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
80: my $contacts =
81: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
82: $domain,$origmail);
83: my ($contact_email) = split(',',$contacts);
84: my $lonhost = $r->dir_config('lonHostID');
85: my $include = $r->dir_config('lonIncludes');
86: my $start_page;
87:
88: my $handle = &Apache::lonnet::check_for_valid_session($r);
89: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
90: $start_page =
91: &Apache::loncommon::start_page('Already logged in');
92: my $end_page =
93: &Apache::loncommon::end_page();
94: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
95: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
96: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
97: return OK;
98: }
99:
100: my ($js,$courseid,$title);
101: if (defined($env{'form.courseid'})) {
102: $courseid = &validate_course($env{'form.courseid'});
103: }
104: if ($courseid ne '') {
105: $js = &catreturn_js();
106: $title = 'Self-enroll in a LON-CAPA course';
107: } else {
108: $title = 'Create a user account in LON-CAPA';
109: }
110: if ($env{'form.phase'} eq 'selfenroll_login') {
111: $title = 'Self-enroll in a LON-CAPA course';
112: if ($env{'form.udom'} ne '') {
113: $domain = $env{'form.udom'};
114: }
115:
116: my %domconfig =
117: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
118: my ($cancreate,$statustocreate) =
119: &get_creation_controls($domain,$domconfig{'usercreation'});
120:
121: my ($result,$output) =
122: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
123: $contact_name,$contact_email,$courseid,
124: $lonhost,$statustocreate);
125: if ($result eq 'existingaccount') {
126: $r->print($output);
127: &print_footer($r);
128: return OK;
129: } else {
130: $start_page =
131: &Apache::loncommon::start_page($title,$js,
132: {'no_inline_link' => 1,});
133: &print_header($r,$start_page,$courseid);
134: $r->print($output);
135: &print_footer($r);
136: return OK;
137: }
138: }
139: $start_page =
140: &Apache::loncommon::start_page($title,$js,
141: {'no_inline_link' => 1,});
142: my %domconfig =
143: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
144: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
145: if (@{$cancreate} == 0) {
146: &print_header($r,$start_page,$courseid);
147: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
148: '<span class="LC_warning">'.
149: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
150: $r->print($output);
151: &print_footer($r);
152: return OK;
153: }
154:
155: if ($sso_username ne '') {
156: &print_header($r,$start_page,$courseid);
157: my ($msg,$sso_logout);
158: $sso_logout = &sso_logout_frag($r,$domain);
159: if (grep(/^sso$/,@{$cancreate})) {
160: $msg = '<h3>'.&mt('Account creation').'</h3>'.
161: &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution.").'<br />';
162:
163: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
164: $lonhost,$contact_email,$contact_name,
165: $sso_logout,$statustocreate);
166: } else {
167: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
168: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
169: $sso_logout;
170: }
171: $r->print($msg);
172: &print_footer($r);
173: return OK;
174: }
175:
176: my ($output,$nostart,$noend);
177: my $token = $env{'form.token'};
178: if ($token) {
179: ($output,$nostart,$noend) =
180: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
181: $domdesc,$lonhost,$include,$start_page);
182: if ($nostart) {
183: if ($noend) {
184: return OK;
185: } else {
186: $r->print($output);
187: &print_footer($r);
188: return OK;
189: }
190: } else {
191: &print_header($r,$start_page,$courseid);
192: $r->print($output);
193: &print_footer($r);
194: return OK;
195: }
196: }
197:
198: if ($env{'form.phase'} eq 'username_activation') {
199: (my $result,$output,$nostart) =
200: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
201: $lonhost,$courseid);
202: if ($result eq 'ok') {
203: if ($nostart) {
204: return OK;
205: }
206: }
207: &print_header($r,$start_page,$courseid);
208: $r->print($output);
209: &print_footer($r);
210: return OK;
211: } elsif ($env{'form.phase'} eq 'username_validation') {
212: (my $result,$output) =
213: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
214: $contact_name,$contact_email,$courseid,
215: $lonhost,$statustocreate);
216: if ($result eq 'existingaccount') {
217: $r->print($output);
218: &print_footer($r);
219: return OK;
220: } else {
221: &print_header($r,$start_page,$courseid);
222: }
223: } elsif ($env{'form.create_with_email'}) {
224: &print_header($r,$start_page,$courseid);
225: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
226: $contact_name,$contact_email,$cancreate,
227: $lonhost,$domconfig{'usercreation'},
228: $courseid);
229: } elsif (!$token) {
230: &print_header($r,$start_page,$courseid);
231: my $now=time;
232: if (grep(/^login$/,@{$cancreate})) {
233: my $jsh=Apache::File->new($include."/londes.js");
234: $r->print(<$jsh>);
235: $r->print(&javascript_setforms($now));
236: }
237: if (grep(/^email$/,@{$cancreate})) {
238: $r->print(&javascript_validmail());
239: }
240: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
241: $courseid);
242: }
243: $r->print($output);
244: &print_footer($r);
245: return OK;
246: }
247:
248: sub print_header {
249: my ($r,$start_page,$courseid) = @_;
250: $r->print($start_page);
251: &Apache::lonhtmlcommon::clear_breadcrumbs();
252: if ($courseid ne '') {
253: my %coursehash = &Apache::lonnet::coursedescription($courseid);
254: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
255: }
256: &Apache::lonhtmlcommon::add_breadcrumb
257: ({href=>"/adm/createuser",
258: text=>"New username"});
259: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
260: return;
261: }
262:
263: sub print_footer {
264: my ($r) = @_;
265: if ($env{'form.courseid'} ne '') {
266: $r->print('<form name="backupcrumbs" method="post" action="">'.
267: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
268: 'token','serverid','uname','upass','phase','create_with_email',
269: 'code','useremail','crypt','cfirstname','clastname',
270: 'cmiddlename','cgeneration','cpermanentemail','cid']).
271: '</form>');
272: }
273: $r->print(&Apache::loncommon::end_page());
274: }
275:
276: sub selfenroll_crumbs {
277: my ($r,$courseid,$desc) = @_;
278: &Apache::lonhtmlcommon::add_breadcrumb
279: ({href=>"javascript:ToCatalog('backupcrumbs','')",
280: text=>"Course/Community Catalog"});
281: if ($env{'form.coursenum'} ne '') {
282: &Apache::lonhtmlcommon::add_breadcrumb
283: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
284: text=>"Course details"});
285: }
286: my $last_crumb;
287: if ($desc ne '') {
288: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
289: } else {
290: $last_crumb = &mt('Self-enroll');
291: }
292: &Apache::lonhtmlcommon::add_breadcrumb
293: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
294: text=>$last_crumb,
295: no_mt=>"1"});
296: return;
297: }
298:
299: sub validate_course {
300: my ($courseid) = @_;
301: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
302: if (($cdom ne '') && ($cnum ne '')) {
303: if (&Apache::lonnet::is_course($cdom,$cnum)) {
304: return ($courseid);
305: }
306: }
307: return;
308: }
309:
310: sub javascript_setforms {
311: my ($now) = @_;
312: my $js = <<ENDSCRIPT;
313: <script type="text/javascript" language="JavaScript">
314: function send() {
315: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
316: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
317: uextkey=this.document.client.elements.uextkey.value;
318: lextkey=this.document.client.elements.lextkey.value;
319: initkeys();
320:
321: this.document.server.elements.upass.value
322: = crypted(this.document.client.elements.upass$now.value);
323:
324: this.document.client.elements.uname.value='';
325: this.document.client.elements.upass$now.value='';
326:
327: this.document.server.submit();
328: return false;
329: }
330: </script>
331: ENDSCRIPT
332: return $js;
333: }
334:
335: sub javascript_checkpass {
336: my ($now) = @_;
337: my $nopass = &mt('You must enter a password.');
338: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
339: &mt('Please try again.');
340: my $js = <<"ENDSCRIPT";
341: <script type="text/javascript" language="JavaScript">
342: function checkpass() {
343: var upass = this.document.client.elements.upass$now.value;
344: var upasscheck = this.document.client.elements.upasscheck$now.value;
345: if (upass == '') {
346: alert("$nopass");
347: return false;
348: }
349: if (upass == upasscheck) {
350: this.document.client.elements.upasscheck$now.value='';
351: send();
352: return false;
353: } else {
354: alert("$mismatchpass");
355: return false;
356: }
357: }
358: </script>
359: ENDSCRIPT
360: return $js;
361: }
362:
363: sub javascript_validmail {
364: my %lt = &Apache::lonlocal::texthash (
365: email => 'The e-mail address you entered',
366: notv => 'is not a valid e-mail address',
367: );
368: my $output = "\n".'<script type="text/javascript">'."\n".
369: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
370: $output .= <<"ENDSCRIPT";
371: function validate_email() {
372: field = document.createaccount.useremail;
373: if (validmail(field) == false) {
374: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
375: return false;
376: }
377: return true;
378: }
379: ENDSCRIPT
380: $output .= "\n".'</script>'."\n";
381: return $output;
382: }
383:
384: sub print_username_form {
385: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
386: my %lt = &Apache::lonlocal::texthash(
387: unam => 'username',
388: udom => 'domain',
389: uemail => 'E-mail address in LON-CAPA',
390: proc => 'Proceed');
391: my $output;
392: if (ref($cancreate) eq 'ARRAY') {
393: if (grep(/^login$/,@{$cancreate})) {
394: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
395: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
396: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
397: my $submit_text = &mt('Create LON-CAPA account');
398: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
399: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
400: $domain,'createaccount').'</div>';
401: }
402: }
403: if (grep(/^email$/,@{$cancreate})) {
404: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
405: my $captchaform = &create_captcha();
406: if ($captchaform) {
407: my $submit_text = &mt('Request LON-CAPA account');
408: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
409: if (grep(/^login$/,@{$cancreate})) {
410: $output .= &mt('Provide your e-mail address to request a LON-CAPA account,[_1] if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
411: } else {
412: $output .= '<br />';
413: }
414: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
415: &Apache::lonhtmlcommon::start_pick_box()."\n".
416: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
417: 'LC_pick_box_title')."\n".
418: $emailform."\n".
419: &Apache::lonhtmlcommon::row_closure(1).
420: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
421: 'LC_pick_box_title')."\n".
422: $captchaform."\n".'<br /><br />';
423: if ($courseid ne '') {
424: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
425: }
426: $output .= &Apache::lonhtmlcommon::row_closure(1).
427: &Apache::lonhtmlcommon::row_title().'<br />'.
428: '<input type="submit" name="create_with_email" value="'.
429: $submit_text.'" />'.
430: &Apache::lonhtmlcommon::row_closure(1).
431: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
432: if ($courseid ne '') {
433: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
434: }
435: $output .= '</form>';
436: } else {
437: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
438: if ($courseid ne '') {
439: $helpdesk .= '&courseid='.$courseid;
440: }
441: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
442: }
443: $output .= '</div>';
444: }
445: }
446: if ($output eq '') {
447: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
448: } else {
449: $output .= '<div class="LC_clear_float_footer"></div>';
450: }
451: return $output;
452: }
453:
454: sub login_box {
455: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
456: my $output;
457: my %titles = &Apache::lonlocal::texthash(
458: createaccount => 'Log-in ID',
459: selfenroll => 'Username',
460: );
461: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
462: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
463: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
464: $lonhost);
465: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
466: my $unameform = '<input type="text" name="uname" size="20" value="" />';
467: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
468: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
469: &Apache::lonhtmlcommon::start_pick_box()."\n".
470: &Apache::lonhtmlcommon::row_title($titles{$context},
471: 'LC_pick_box_title')."\n".
472: $unameform."\n".
473: &Apache::lonhtmlcommon::row_closure(1)."\n".
474: &Apache::lonhtmlcommon::row_title(&mt('Password'),
475: 'LC_pick_box_title')."\n".
476: $upassform;
477: if ($context eq 'selfenroll') {
478: my $udomform = '<input type="text" name="udom" size="10" value="'.
479: $domain.'" />';
480: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
481: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
482: 'LC_pick_box_title')."\n".
483: $udomform."\n";
484: } else {
485: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
486: }
487: $output .= &Apache::lonhtmlcommon::row_closure(1).
488: &Apache::lonhtmlcommon::row_title().
489: '<br /><input type="submit" name="username_validation" value="'.
490: $submit_text.'" />'."\n";
491: if ($context eq 'selfenroll') {
492: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
493: '<span class="LC_fontsize_medium">'.
494: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
495: '</span></td></tr></table>'."\n";
496: }
497: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
498: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
499: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
500: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
501: '</form>';
502: return $output;
503: }
504:
505: sub process_email_request {
506: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
507: $server,$settings,$courseid) = @_;
508: $useremail = $env{'form.useremail'};
509: my $output;
510: if (ref($cancreate) eq 'ARRAY') {
511: if (!grep(/^email$/,@{$cancreate})) {
512: $output = &invalid_state('noemails',$domdesc,
513: $contact_name,$contact_email);
514: return $output;
515: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
516: $output = &invalid_state('baduseremail',$domdesc,
517: $contact_name,$contact_email);
518: return $output;
519: } else {
520: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
521: if ($uhome ne 'no_host') {
522: $output = &invalid_state('existinguser',$domdesc,
523: $contact_name,$contact_email);
524: return $output;
525: } else {
526: my $code = $env{'form.code'};
527: my $md5sum = $env{'form.crypt'};
528: my %captcha_params = &captcha_settings();
529: my $captcha = Authen::Captcha->new(
530: output_folder => $captcha_params{'output_dir'},
531: data_folder => $captcha_params{'db_dir'},
532: );
533: my $captcha_chk = $captcha->check_code($code,$md5sum);
534: my %captcha_hash = (
535: 0 => 'Code not checked (file error)',
536: -1 => 'Failed: code expired',
537: -2 => 'Failed: invalid code (not in database)',
538: -3 => 'Failed: invalid code (code does not match crypt)',
539: );
540: if ($captcha_chk != 1) {
541: $output = &invalid_state('captcha',$domdesc,$contact_name,
542: $contact_email,$captcha_hash{$captcha_chk});
543: return $output;
544: }
545: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
546: if ($uhome eq 'no_host') {
547: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
548: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
549: \%inst_results,\%curr_rules,\%got_rules,'username');
550: if (ref($alerts{'username'}) eq 'HASH') {
551: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
552: if ($alerts{'username'}{$domain}{$useremail}) {
553: $output = &invalid_state('userrules',$domdesc,
554: $contact_name,$contact_email);
555: return $output;
556: }
557: }
558: }
559: my $format_msg =
560: &guest_format_check($useremail,$domain,$cancreate,
561: $settings);
562: if ($format_msg) {
563: $output = &invalid_state('userformat',$domdesc,$contact_name,
564: $contact_email,$format_msg);
565: return $output;
566: }
567: }
568: }
569: }
570: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
571: $contact_email,$courseid);
572: }
573: return $output;
574: }
575:
576: sub call_rulecheck {
577: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
578: $got_rules,$tocheck) = @_;
579: my ($checkhash,$checks);
580: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
581: if ($tocheck eq 'username') {
582: $checks = { 'username' => 1 };
583: }
584: &Apache::loncommon::user_rule_check($checkhash,$checks,
585: $alerts,$rulematch,$inst_results,$curr_rules,
586: $got_rules);
587: return;
588: }
589:
590: sub send_token {
591: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
592: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
593: &mt('Thank you for your request to create a new LON-CAPA account.').
594: '<br /><br />';
595: my $now = time;
596: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
597: 'time' => $now,
598: 'domain' => $domain,
599: 'username' => $email,
600: 'courseid' => $courseid);
601: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
602: if ($token !~ /^error/ && $token ne 'no_such_host') {
603: my $esc_token = &escape($token);
604: my $showtime = localtime(time);
605: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
606: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
607: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
608: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
609: $contact_email);
610: if ($result eq 'ok') {
611: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.&mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
612: } else {
613: $msg .= '<span class="LC_error">'.
614: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
615: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
616: }
617: } else {
618: $msg .= '<span class="LC_error">'.
619: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
620: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
621: }
622: return $msg;
623: }
624:
625: sub process_mailtoken {
626: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
627: $include,$start_page) = @_;
628: my ($msg,$nostart,$noend);
629: my %data = &Apache::lonnet::tmpget($token);
630: my $now = time;
631: if (keys(%data) == 0) {
632: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
633: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
634: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
635: return $msg;
636: }
637: if (($data{'time'} =~ /^\d+$/) &&
638: ($data{'domain'} ne '') &&
639: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
640: if ($now - $data{'time'} < 7200) {
641: if ($env{'form.phase'} eq 'createaccount') {
642: my ($result,$output) = &create_account($r,$domain,$lonhost,
643: $data{'username'},$domdesc);
644: if ($result eq 'ok') {
645: $msg = $output;
646: my $shownow = &Apache::lonlocal::locallocaltime($now);
647: my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
648: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
649: $mailmsg,$contact_name,
650: $contact_email);
651: if ($mailresult eq 'ok') {
652: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
653: } else {
654: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
655: }
656: my %form = &start_session($r,$data{'username'},$domain,
657: $lonhost,$data{'courseid'},
658: $token);
659: $nostart = 1;
660: $noend = 1;
661: } else {
662: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
663: .'<br />'.$output
664: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
665: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
666: }
667: my $delete = &Apache::lonnet::tmpdel($token);
668: } else {
669: $msg .= &mt('Please provide user information and a password for your new account.').'<br />'.&mt('Your password, which must contain at least seven characters, will be sent to the LON-CAPA server in an encrypted form.').'<br />';
670: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
671: $nostart = 1;
672: }
673: } else {
674: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
675: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
676: }
677: } else {
678: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
679: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
680: }
681: return ($msg,$nostart,$noend);
682: }
683:
684: sub start_session {
685: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
686: my %form = (
687: uname => $username,
688: udom => $domain,
689: );
690: my $firsturl = '/adm/roles';
691: if (defined($courseid)) {
692: $courseid = &validate_course($courseid);
693: if ($courseid ne '') {
694: $form{'courseid'} = $courseid;
695: $firsturl = '/adm/selfenroll?courseid='.$courseid;
696: }
697: }
698: if ($r->dir_config('lonBalancer') eq 'yes') {
699: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
700: $lonhost,'noredirect',undef,\%form);
701: if ($token ne '') {
702: my $delete = &Apache::lonnet::tmpdel($token);
703: }
704: $r->internal_redirect('/adm/switchserver');
705: } else {
706: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
707: $lonhost,$firsturl,undef,\%form);
708: }
709: return %form;
710: }
711:
712:
713: sub print_dataentry_form {
714: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
715: my ($error,$output);
716: &print_header($r,$start_page);
717: if (open(my $jsh,"<$include/londes.js")) {
718: while(my $line = <$jsh>) {
719: $r->print($line);
720: }
721: close($jsh);
722: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
723: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
724: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
725: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
726: $lonhost);
727: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
728: my ($datatable,$rowcount) =
729: &Apache::loncreateuser::personal_data_display($username,$domain,
730: 'email','selfcreate');
731: if ($rowcount) {
732: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
733: } else {
734: $output .= $formtag;
735: }
736: $output .= <<"ENDSERVERFORM";
737: <input type="hidden" name="logtoken" value="$logtoken" />
738: <input type="hidden" name="token" value="$mailtoken" />
739: <input type="hidden" name="serverid" value="$lonhost" />
740: <input type="hidden" name="uname" value="" />
741: <input type="hidden" name="upass" value="" />
742: <input type="hidden" name="udom" value="" />
743: <input type="hidden" name="phase" value="createaccount" />
744: </form>
745: ENDSERVERFORM
746: if ($rowcount) {
747: $output .= '</div>'.
748: '<div class="LC_left_float">';
749: }
750: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
751: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
752: my $submit_text = &mt('Create LON-CAPA account');
753: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
754: '<form name="client" method="post" action="" '.
755: 'onsubmit="return checkpass();">'."\n".
756: &Apache::lonhtmlcommon::start_pick_box()."\n".
757: &Apache::lonhtmlcommon::row_title(&mt('Username'),
758: 'LC_pick_box_title',
759: 'LC_oddrow_value')."\n".
760: $username."\n".
761: &Apache::lonhtmlcommon::row_closure(1)."\n".
762: &Apache::lonhtmlcommon::row_title(&mt('Password'),
763: 'LC_pick_box_title',
764: 'LC_oddrow_value')."\n".
765: $upassone."\n".
766: &Apache::lonhtmlcommon::row_closure(1)."\n".
767: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
768: 'LC_pick_box_title',
769: 'LC_oddrow_value')."\n".
770: $upasstwo.
771: &Apache::lonhtmlcommon::row_closure(1)."\n".
772: &Apache::lonhtmlcommon::row_title()."\n".
773: '<br /><input type="submit" name="createaccount" value="'.
774: $submit_text.'" />'.
775: &Apache::lonhtmlcommon::row_closure(1)."\n".
776: &Apache::lonhtmlcommon::end_pick_box()."\n".
777: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
778: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
779: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
780: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
781: '</form>';
782: if ($rowcount) {
783: $output .= '</div>'."\n".
784: '<div class="LC_clear_float_footer"></div>'."\n";
785: }
786: } else {
787: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
788: }
789: return $output;
790: }
791:
792: sub get_creation_controls {
793: my ($domain,$usercreation) = @_;
794: my (@cancreate,@statustocreate);
795: if (ref($usercreation) eq 'HASH') {
796: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
797: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
798: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
799: if (@statustocreate == 0) {
800: my ($othertitle,$usertypes,$types) =
801: &Apache::loncommon::sorted_inst_types($domain);
802: if (ref($types) eq 'ARRAY') {
803: if (@{$types} == 0) {
804: @statustocreate = ('default');
805: }
806: } else {
807: @statustocreate = ('default');
808: }
809: }
810: } else {
811: @statustocreate = ('default');
812: my ($othertitle,$usertypes,$types) =
813: &Apache::loncommon::sorted_inst_types($domain);
814: if (ref($types) eq 'ARRAY') {
815: push(@statustocreate,@{$types});
816: }
817: }
818: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
819: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
820: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
821: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
822: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
823: }
824: }
825: }
826: return (\@cancreate,\@statustocreate);
827: }
828:
829: sub create_account {
830: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
831: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
832: $env{'form.serverid'});
833: # Error messages
834: my $error = '<span class="LC_error">'.&mt('Error:').' ';
835: my $end = '</span><br /><br />';
836: my $rtnlink = '<a href="javascript:history.back();" />'.
837: &mt('Return to previous page').'</a>'.
838: &Apache::loncommon::end_page();
839: if ($retrieved eq 'ok') {
840: if ($env{'form.courseid'} ne '') {
841: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
842: if ($result eq 'fail') {
843: $output = $error.&mt('Invalid ID format').$end.
844: $userchkmsg.$rtnlink;
845: return ('fail',$output);
846: }
847: }
848: } else {
849: return ('fail',$error.$output.$end.$rtnlink);
850: }
851: # Call modifyuser
852: my $result =
853: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
854: 'internal',$upass,$env{'form.cfirstname'},
855: $env{'form.cmiddlename'},$env{'form.clastname'},
856: $env{'form.cgeneration'},undef,undef,$username);
857: $output = &mt('Generating user: [_1]',$result);
858: my $uhome = &Apache::lonnet::homeserver($username,$domain);
859: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
860: &Apache::lonnet::hostname($uhome).'<br /><br />';
861: return ('ok',$output);
862: }
863:
864: sub username_validation {
865: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
866: $lonhost,$statustocreate) = @_;
867: my ($retrieved,$output,$upass);
868:
869: $username= &LONCAPA::clean_username($username);
870: $domain = &LONCAPA::clean_domain($domain);
871: my $uhome = &Apache::lonnet::homeserver($username,$domain);
872:
873: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
874: $env{'form.serverid'});
875: if ($retrieved ne 'ok') {
876: return ('fail',$output);
877: }
878: if ($uhome ne 'no_host') {
879: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
880: if ($result ne 'no_host') {
881: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
882: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
883: return ('existingaccount',$output);
884: } else {
885: $output = &login_failure_msg($courseid);
886: }
887: } else {
888: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
889: my $authok;
890: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
891: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
892: my $checkdefauth = 1;
893: $authok =
894: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
895: } else {
896: $authok = 'non_authorized';
897: }
898: if ($authok eq 'authorized') {
899: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
900: $contact_email,$contact_name,undef,
901: $statustocreate);
902: } else {
903: $output = &login_failure_msg($courseid);
904: }
905: }
906: return ('ok',$output);
907: }
908:
909: sub login_failure_msg {
910: my ($courseid) = @_;
911: my $url;
912: if ($courseid ne '') {
913: $url = "/adm/selfenroll?courseid=".$courseid;
914: } else {
915: $url = "/adm/createaccount";
916: }
917: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
918: &mt('Username and/or password could not be authenticated.').
919: '</div>'.
920: &mt('Please check the username and password.').'<br /><br />';
921: '<a href="'.$url.'">'.&mt('Try again').'</a>';
922: return $output;
923: }
924:
925: sub username_check {
926: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
927: $contact_name,$sso_logout,$statustocreate) = @_;
928: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
929: %alerts,%curr_rules,%got_rules);
930: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
931: \%inst_results,\%curr_rules,\%got_rules,'username');
932: if (ref($alerts{'username'}) eq 'HASH') {
933: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
934: if ($alerts{'username'}{$domain}{$username}) {
935: if (ref($curr_rules{$domain}) eq 'HASH') {
936: $output =
937: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
938: 'selfcreate').
939: &Apache::loncommon::user_rule_formats($domain,$domdesc,
940: $curr_rules{$domain}{'username'},'username');
941: }
942: $checkfail = 'username';
943: }
944: }
945: }
946: if (!$checkfail) {
947: if (ref($statustocreate) eq 'ARRAY') {
948: $checkfail = 'inststatus';
949: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
950: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
951: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
952: undef($checkfail);
953: last;
954: }
955: }
956: } elsif (grep(/^default$/,@{$statustocreate})) {
957: undef($checkfail);
958: }
959: }
960: }
961: if (!$checkfail) {
962: $output = '<form method="post" action="/adm/createaccount">';
963: (my $datatable,$rowcount,$editable) =
964: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
965: $inst_results{$username.':'.$domain});
966: if ($rowcount > 0) {
967: $output .= $datatable;
968: }
969: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
970: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
971: '<input type="hidden" name="phase" value="username_activation" />';
972: my $now = time;
973: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
974: 'time' => $now,
975: 'domain' => $domain,
976: 'username' => $username);
977: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
978: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
979: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
980: } else {
981: $output = &mt('An error occurred when storing a token').'<br />'.
982: &mt('You will not be able to proceed to the next stage of account creation').
983: &linkto_email_help($contact_email,$domdesc);
984: $checkfail = 'authtoken';
985: }
986: }
987: if ($checkfail) {
988: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
989: if ($checkfail eq 'username') {
990: $msg .= '<span class="LC_warning">'.
991: &mt('A LON-CAPA account may not be created with the username you use.').
992: '</span><br /><br />'.$output;
993: } elsif ($checkfail eq 'authtoken') {
994: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
995: '<br />'.$output;
996: } elsif ($checkfail eq 'inststatus') {
997: $msg .= '<span class="LC_warning">'.
998: &mt('You are not permitted to create a LON-CAPA account.').
999: '</span><br /><br />'.$output;
1000: }
1001: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1002: $contact_name,$contact_email).'<br /><hr />'.
1003: $sso_logout;
1004: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1005: } else {
1006: if ($courseid ne '') {
1007: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1008: }
1009: $output .= '<input type="submit" name="newaccount" value="'.
1010: &mt('Create LON-CAPA account').'" /></form>';
1011: if ($rowcount) {
1012: if ($editable) {
1013: if ($courseid ne '') {
1014: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1015: }
1016: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1017: } else {
1018: if ($courseid ne '') {
1019: $msg = '<h4>'.&mt('Review user information').'</h4>';
1020: }
1021: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1022: }
1023: } else {
1024: if ($courseid ne '') {
1025: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1026: }
1027: $msg .= &mt('Confirm that you wish to create an account.');
1028: }
1029: $msg .= $output;
1030: }
1031: return $msg;
1032: }
1033:
1034: sub username_activation {
1035: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1036: my $output;
1037: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1038: my $end = '</span><br /><br />';
1039: my $rtnlink = '<a href="javascript:history.back();" />'.
1040: &mt('Return to previous page').'</a>'.
1041: &Apache::loncommon::end_page();
1042: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1043: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1044: my $now = time;
1045: my $earlyout;
1046: my $timeout = 300;
1047: if (keys(%data) == 0) {
1048: $output = &mt('Sorry, your authentication has expired.');
1049: $earlyout = 'fail';
1050: }
1051: if (($data{'time'} !~ /^\d+$/) ||
1052: ($data{'domain'} ne $domain) ||
1053: ($data{'username'} ne $username)) {
1054: $earlyout = 'fail';
1055: $output = &mt('The credentials you provided could not be verified.');
1056: } elsif ($now - $data{'time'} > $timeout) {
1057: $earlyout = 'fail';
1058: $output = &mt('Sorry, your authentication has expired.');
1059: }
1060: if ($earlyout ne '') {
1061: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1062: return($earlyout,$output);
1063: }
1064: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1065: ($domdefaults{'auth_arg_def'} ne '')) ||
1066: ($domdefaults{'auth_def'} eq 'localauth')) {
1067: if ($env{'form.courseid'} ne '') {
1068: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1069: if ($result eq 'fail') {
1070: $output = $error.&mt('Invalid ID format').$end.
1071: $userchkmsg.$rtnlink;
1072: return ('fail',$output);
1073: }
1074: }
1075: # Call modifyuser
1076: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1077: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1078: \%inst_results,\%curr_rules,\%got_rules);
1079: my @userinfo = ('firstname','middlename','lastname','generation',
1080: 'permanentemail','id');
1081: my %canmodify =
1082: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1083: \@userinfo,\%inst_results);
1084: foreach my $item (@userinfo) {
1085: if ($canmodify{$item}) {
1086: $info{$item} = $env{'form.c'.$item};
1087: } else {
1088: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1089: }
1090: }
1091: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1092: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1093: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1094: }
1095: my $result =
1096: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1097: $domdefaults{'auth_def'},
1098: $domdefaults{'auth_arg_def'},$info{'firstname'},
1099: $info{'middlename'},$info{'lastname'},
1100: $info{'generation'},undef,undef,
1101: $info{'permanentemail'},$info{'inststatus'});
1102: if ($result eq 'ok') {
1103: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1104: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1105: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1106: my $nostart = 1;
1107: return ('ok',$output,$nostart);
1108: } else {
1109: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1110: return ('fail',$output);
1111: }
1112: } else {
1113: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1114: return('fail',$output);
1115: }
1116: }
1117:
1118: sub check_id {
1119: my ($username,$domain,$domdesc) = @_;
1120: # Check ID format
1121: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1122: my %checks = ('id' => 1);
1123: %{$checkhash{$username.':'.$domain}} = (
1124: 'newuser' => 1,
1125: 'id' => $env{'form.cid'},
1126: );
1127: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1128: \%rulematch,\%inst_results,\%curr_rules);
1129: if (ref($alerts{'id'}) eq 'HASH') {
1130: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1131: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1132: my $userchkmsg;
1133: if (ref($curr_rules{$domain}) eq 'HASH') {
1134: $userchkmsg =
1135: &Apache::loncommon::instrule_disallow_msg('id',
1136: $domdesc,1).
1137: &Apache::loncommon::user_rule_formats($domain,
1138: $domdesc,$curr_rules{$domain}{'id'},'id');
1139: }
1140: return ('fail',$userchkmsg);
1141: }
1142: }
1143: }
1144: return;
1145: }
1146:
1147: sub invalid_state {
1148: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1149: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1150: if ($error eq 'baduseremail') {
1151: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1152: } elsif ($error eq 'existinguser') {
1153: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1154: } elsif ($error eq 'userrules') {
1155: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1156: } elsif ($error eq 'userformat') {
1157: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1158: } elsif ($error eq 'captcha') {
1159: $msg .= &mt('Validation of the code you entered failed.');
1160: } elsif ($error eq 'noemails') {
1161: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1162: }
1163: $msg .= '</span>';
1164: if ($msgtext) {
1165: $msg .= '<br />'.$msgtext;
1166: }
1167: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1168: return $msg;
1169: }
1170:
1171: sub linkto_email_help {
1172: my ($contact_email,$domdesc,$error) = @_;
1173: my $msg;
1174: my $href = '/adm/helpdesk';
1175: if ($contact_email ne '') {
1176: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1177: $href .= '?origurl='.$escuri;
1178: if ($error eq 'existinguser') {
1179: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1180: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1181: }
1182: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1183: } else {
1184: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1185: }
1186: return $msg;
1187: }
1188:
1189: sub create_captcha {
1190: my ($output_dir,$db_dir) = @_;
1191: my %captcha_params = &captcha_settings();
1192: my ($output,$maxtries,$tries) = ('',10,0);
1193: while ($tries < $maxtries) {
1194: $tries ++;
1195: my $captcha = Authen::Captcha->new (
1196: output_folder => $captcha_params{'output_dir'},
1197: data_folder => $captcha_params{'db_dir'},
1198: );
1199: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1200:
1201: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1202: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1203: &mt('Type in the letters/numbers shown below').' '.
1204: '<input type="text" size="5" name="code" value="" /><br />'.
1205: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
1206: last;
1207: }
1208: }
1209: return $output;
1210: }
1211:
1212: sub captcha_settings {
1213: my %captcha_params = (
1214: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1215: www_output_dir => "/captchaspool",
1216: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1217: numchars => '5',
1218: );
1219: return %captcha_params;
1220: }
1221:
1222: sub getkeys {
1223: my ($lkey,$ukey) = @_;
1224: my $lextkey=hex($lkey);
1225: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1226:
1227: my $uextkey=hex($ukey);
1228: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1229: return ($lextkey,$uextkey);
1230: }
1231:
1232: sub serverform {
1233: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1234: my $phase = 'username_validation';
1235: my $catalog_elements;
1236: if ($context eq 'selfenroll') {
1237: $phase = 'selfenroll_login';
1238: }
1239: if ($courseid ne '') {
1240: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1241: }
1242: my $output = <<ENDSERVERFORM;
1243: <form name="server" method="post" action="/adm/createaccount">
1244: <input type="hidden" name="logtoken" value="$logtoken" />
1245: <input type="hidden" name="token" value="$mailtoken" />
1246: <input type="hidden" name="serverid" value="$lonhost" />
1247: <input type="hidden" name="uname" value="" />
1248: <input type="hidden" name="upass" value="" />
1249: <input type="hidden" name="udom" value="" />
1250: <input type="hidden" name="phase" value="$phase" />
1251: <input type="hidden" name="courseid" value="$courseid" />
1252: $catalog_elements
1253: </form>
1254: ENDSERVERFORM
1255: return $output;
1256: }
1257:
1258: sub process_credentials {
1259: my ($logtoken,$lonhost) = @_;
1260: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1261: my ($retrieved,$output,$upass);
1262: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1263: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1264: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1265: return ($retrieved,$output,$upass);
1266: } else {
1267: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1268: if ($reply eq 'ok') {
1269: $retrieved = 'ok';
1270: } else {
1271: $output = &mt('Session could not be opened.');
1272: }
1273: }
1274: my ($key,$caller)=split(/&/,$tmpinfo);
1275: if ($caller eq 'createaccount') {
1276: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1277: } else {
1278: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1279: }
1280: return ($retrieved,$output,$upass);
1281: }
1282:
1283: sub guest_format_check {
1284: my ($useremail,$domain,$cancreate,$settings) = @_;
1285: my ($login,$format_match,$format_msg,@user_rules);
1286: if (ref($settings) eq 'HASH') {
1287: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1288: push(@user_rules,@{$settings->{'email_rule'}});
1289: }
1290: }
1291: if (@user_rules > 0) {
1292: my %rule_check =
1293: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1294: 'selfcreate',\@user_rules);
1295: if (keys(%rule_check) > 0) {
1296: foreach my $item (keys(%rule_check)) {
1297: if ($rule_check{$item}) {
1298: $format_match = 1;
1299: last;
1300: }
1301: }
1302: }
1303: }
1304: if ($format_match) {
1305: ($login) = ($useremail =~ /^([^\@]+)\@/);
1306: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1307: if (ref($cancreate) eq 'ARRAY') {
1308: if (grep(/^login$/,@{$cancreate})) {
1309: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1310: }
1311: }
1312: }
1313: return $format_msg;
1314: }
1315:
1316: sub sso_logout_frag {
1317: my ($r,$domain) = @_;
1318: my $endsessionmsg;
1319: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1320: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1321: if (-e $msgfile) {
1322: open(my $fh,"<$msgfile");
1323: $endsessionmsg = join('',<$fh>);
1324: close($fh);
1325: }
1326: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1327: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1328: if (-e $msgfile) {
1329: open(my $fh,"<$msgfile");
1330: $endsessionmsg = join('',<$fh>);
1331: close($fh);
1332: }
1333: }
1334: return $endsessionmsg;
1335: }
1336:
1337: sub catreturn_js {
1338: return <<"ENDSCRIPT";
1339: <script type="text/javascript">
1340:
1341: function ToSelfenroll(formname) {
1342: var formidx = getFormByName(formname);
1343: if (formidx > -1) {
1344: document.forms[formidx].action = '/adm/selfenroll';
1345: numidx = getIndexByName(formidx,'phase');
1346: if (numidx > -1) {
1347: document.forms[formidx].elements[numidx].value = '';
1348: }
1349: numidx = getIndexByName(formidx,'context');
1350: if (numidx > -1) {
1351: document.forms[formidx].elements[numidx].value = '';
1352: }
1353: }
1354: document.forms[formidx].submit();
1355: }
1356:
1357: function ToCatalog(formname,caller) {
1358: var formidx = getFormByName(formname);
1359: if (formidx > -1) {
1360: document.forms[formidx].action = '/adm/coursecatalog';
1361: numidx = getIndexByName(formidx,'coursenum');
1362: if (numidx > -1) {
1363: if (caller != 'details') {
1364: document.forms[formidx].elements[numidx].value = '';
1365: }
1366: }
1367: }
1368: document.forms[formidx].submit();
1369: }
1370:
1371: function getIndexByName(formidx,item) {
1372: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1373: if (document.forms[formidx].elements[i].name == item) {
1374: return i;
1375: }
1376: }
1377: return -1;
1378: }
1379:
1380: function getFormByName(item) {
1381: for (var i=0; i<document.forms.length; i++) {
1382: if (document.forms[i].name == item) {
1383: return i;
1384: }
1385: }
1386: return -1;
1387: }
1388:
1389: </script>
1390: ENDSCRIPT
1391:
1392: }
1393:
1394: 1;
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