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 2010/08/16 14:23:50 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,$js);
132: &print_header($r,$start_page,$courseid);
133: $r->print($output);
134: &print_footer($r);
135: return OK;
136: }
137: }
138: $start_page =
139: &Apache::loncommon::start_page($title,$js);
140:
141: my %domconfig =
142: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
143: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
144: if (@{$cancreate} == 0) {
145: &print_header($r,$start_page,$courseid);
146: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
147: '<span class="LC_warning">'.
148: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
149: $r->print($output);
150: &print_footer($r);
151: return OK;
152: }
153:
154: if ($sso_username ne '') {
155: &print_header($r,$start_page,$courseid);
156: my ($msg,$sso_logout);
157: $sso_logout = &sso_logout_frag($r,$domain);
158: if (grep(/^sso$/,@{$cancreate})) {
159: $msg = '<h3>'.&mt('Account creation').'</h3>'.
160: &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 />';
161:
162: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
163: $lonhost,$contact_email,$contact_name,
164: $sso_logout,$statustocreate);
165: } else {
166: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
167: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
168: $sso_logout;
169: }
170: $r->print($msg);
171: &print_footer($r);
172: return OK;
173: }
174:
175: my ($output,$nostart,$noend);
176: my $token = $env{'form.token'};
177: if ($token) {
178: ($output,$nostart,$noend) =
179: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
180: $domdesc,$lonhost,$include,$start_page);
181: if ($nostart) {
182: if ($noend) {
183: return OK;
184: } else {
185: $r->print($output);
186: &print_footer($r);
187: return OK;
188: }
189: } else {
190: &print_header($r,$start_page,$courseid);
191: $r->print($output);
192: &print_footer($r);
193: return OK;
194: }
195: }
196:
197: if ($env{'form.phase'} eq 'username_activation') {
198: (my $result,$output,$nostart) =
199: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
200: $lonhost,$courseid);
201: if ($result eq 'ok') {
202: if ($nostart) {
203: return OK;
204: }
205: }
206: &print_header($r,$start_page,$courseid);
207: $r->print($output);
208: &print_footer($r);
209: return OK;
210: } elsif ($env{'form.phase'} eq 'username_validation') {
211: (my $result,$output) =
212: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
213: $contact_name,$contact_email,$courseid,
214: $lonhost,$statustocreate);
215: if ($result eq 'existingaccount') {
216: $r->print($output);
217: &print_footer($r);
218: return OK;
219: } else {
220: &print_header($r,$start_page,$courseid);
221: }
222: } elsif ($env{'form.create_with_email'}) {
223: &print_header($r,$start_page,$courseid);
224: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
225: $contact_name,$contact_email,$cancreate,
226: $lonhost,$domconfig{'usercreation'},
227: $courseid);
228: } elsif (!$token) {
229: &print_header($r,$start_page,$courseid);
230: my $now=time;
231: if (grep(/^login$/,@{$cancreate})) {
232: my $jsh=Apache::File->new($include."/londes.js");
233: $r->print(<$jsh>);
234: $r->print(&javascript_setforms($now));
235: }
236: if (grep(/^email$/,@{$cancreate})) {
237: $r->print(&javascript_validmail());
238: }
239: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
240: $courseid);
241: }
242: $r->print($output);
243: &print_footer($r);
244: return OK;
245: }
246:
247: sub print_header {
248: my ($r,$start_page,$courseid) = @_;
249: $r->print($start_page);
250: &Apache::lonhtmlcommon::clear_breadcrumbs();
251: if ($courseid ne '') {
252: my %coursehash = &Apache::lonnet::coursedescription($courseid);
253: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
254: }
255: &Apache::lonhtmlcommon::add_breadcrumb
256: ({href=>"/adm/createuser",
257: text=>"New username"});
258: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
259: return;
260: }
261:
262: sub print_footer {
263: my ($r) = @_;
264: if ($env{'form.courseid'} ne '') {
265: $r->print('<form name="backupcrumbs" method="post" action="">'.
266: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
267: 'token','serverid','uname','upass','phase','create_with_email',
268: 'code','useremail','crypt','cfirstname','clastname',
269: 'cmiddlename','cgeneration','cpermanentemail','cid']).
270: '</form>');
271: }
272: $r->print(&Apache::loncommon::end_page());
273: }
274:
275: sub selfenroll_crumbs {
276: my ($r,$courseid,$desc) = @_;
277: &Apache::lonhtmlcommon::add_breadcrumb
278: ({href=>"javascript:ToCatalog('backupcrumbs','')",
279: text=>"Course/Community Catalog"});
280: if ($env{'form.coursenum'} ne '') {
281: &Apache::lonhtmlcommon::add_breadcrumb
282: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
283: text=>"Course details"});
284: }
285: my $last_crumb;
286: if ($desc ne '') {
287: $last_crumb = &mt('Self-enroll in [_1]','<span class="LC_cusr_emph">'.$desc.'</span>');
288: } else {
289: $last_crumb = &mt('Self-enroll');
290: }
291: &Apache::lonhtmlcommon::add_breadcrumb
292: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
293: text=>$last_crumb,
294: no_mt=>"1"});
295: return;
296: }
297:
298: sub validate_course {
299: my ($courseid) = @_;
300: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
301: if (($cdom ne '') && ($cnum ne '')) {
302: if (&Apache::lonnet::is_course($cdom,$cnum)) {
303: return ($courseid);
304: }
305: }
306: return;
307: }
308:
309: sub javascript_setforms {
310: my ($now) = @_;
311: my $js = <<ENDSCRIPT;
312: <script type="text/javascript" language="JavaScript">
313: function send() {
314: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
315: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
316: uextkey=this.document.client.elements.uextkey.value;
317: lextkey=this.document.client.elements.lextkey.value;
318: initkeys();
319:
320: this.document.server.elements.upass.value
321: = crypted(this.document.client.elements.upass$now.value);
322:
323: this.document.client.elements.uname.value='';
324: this.document.client.elements.upass$now.value='';
325:
326: this.document.server.submit();
327: return false;
328: }
329: </script>
330: ENDSCRIPT
331: return $js;
332: }
333:
334: sub javascript_checkpass {
335: my ($now) = @_;
336: my $nopass = &mt('You must enter a password.');
337: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
338: &mt('Please try again.');
339: my $js = <<"ENDSCRIPT";
340: <script type="text/javascript" language="JavaScript">
341: function checkpass() {
342: var upass = this.document.client.elements.upass$now.value;
343: var upasscheck = this.document.client.elements.upasscheck$now.value;
344: if (upass == '') {
345: alert("$nopass");
346: return false;
347: }
348: if (upass == upasscheck) {
349: this.document.client.elements.upasscheck$now.value='';
350: send();
351: return false;
352: } else {
353: alert("$mismatchpass");
354: return false;
355: }
356: }
357: </script>
358: ENDSCRIPT
359: return $js;
360: }
361:
362: sub javascript_validmail {
363: my %lt = &Apache::lonlocal::texthash (
364: email => 'The e-mail address you entered',
365: notv => 'is not a valid e-mail address',
366: );
367: my $output = "\n".'<script type="text/javascript">'."\n".
368: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
369: $output .= <<"ENDSCRIPT";
370: function validate_email() {
371: field = document.createaccount.useremail;
372: if (validmail(field) == false) {
373: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
374: return false;
375: }
376: return true;
377: }
378: ENDSCRIPT
379: $output .= "\n".'</script>'."\n";
380: return $output;
381: }
382:
383: sub print_username_form {
384: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
385: my %lt = &Apache::lonlocal::texthash(
386: unam => 'username',
387: udom => 'domain',
388: uemail => 'E-mail address in LON-CAPA',
389: proc => 'Proceed');
390: my $output;
391: if (ref($cancreate) eq 'ARRAY') {
392: if (grep(/^login$/,@{$cancreate})) {
393: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
394: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
395: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
396: my $submit_text = &mt('Create LON-CAPA account');
397: $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 />';
398: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
399: $domain,'createaccount').'</div>';
400: }
401: }
402: if (grep(/^email$/,@{$cancreate})) {
403: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
404: my $captchaform = &create_captcha();
405: if ($captchaform) {
406: my $submit_text = &mt('Request LON-CAPA account');
407: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
408: if (grep(/^login$/,@{$cancreate})) {
409: $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 />';
410: } else {
411: $output .= '<br />';
412: }
413: $output .= '<form name="createaccount" method="post" onSubmit="return validate_email()" action="/adm/createaccount">'.
414: &Apache::lonhtmlcommon::start_pick_box()."\n".
415: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
416: 'LC_pick_box_title')."\n".
417: $emailform."\n".
418: &Apache::lonhtmlcommon::row_closure(1).
419: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
420: 'LC_pick_box_title')."\n".
421: $captchaform."\n".'<br /><br />';
422: if ($courseid ne '') {
423: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
424: }
425: $output .= &Apache::lonhtmlcommon::row_closure(1).
426: &Apache::lonhtmlcommon::row_title().'<br />'.
427: '<input type="submit" name="create_with_email" value="'.
428: $submit_text.'" />'.
429: &Apache::lonhtmlcommon::row_closure(1).
430: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
431: if ($courseid ne '') {
432: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
433: }
434: $output .= '</form>';
435: } else {
436: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
437: if ($courseid ne '') {
438: $helpdesk .= '&courseid='.$courseid;
439: }
440: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
441: }
442: $output .= '</div>';
443: }
444: }
445: if ($output eq '') {
446: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
447: } else {
448: $output .= '<div class="LC_clear_float_footer"></div>';
449: }
450: return $output;
451: }
452:
453: sub login_box {
454: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
455: my $output;
456: my %titles = &Apache::lonlocal::texthash(
457: createaccount => 'Log-in ID',
458: selfenroll => 'Username',
459: );
460: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
461: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
462: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
463: $lonhost);
464: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
465: my $unameform = '<input type="text" name="uname" size="20" value="" />';
466: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
467: $output .= '<form name="client" method="post" onsubmit="return(send());">'."\n".
468: &Apache::lonhtmlcommon::start_pick_box()."\n".
469: &Apache::lonhtmlcommon::row_title($titles{$context},
470: 'LC_pick_box_title')."\n".
471: $unameform."\n".
472: &Apache::lonhtmlcommon::row_closure(1)."\n".
473: &Apache::lonhtmlcommon::row_title(&mt('Password'),
474: 'LC_pick_box_title')."\n".
475: $upassform;
476: if ($context eq 'selfenroll') {
477: my $udomform = '<input type="text" name="udom" size="10" value="'.
478: $domain.'" />';
479: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
480: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
481: 'LC_pick_box_title')."\n".
482: $udomform."\n";
483: } else {
484: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
485: }
486: $output .= &Apache::lonhtmlcommon::row_closure(1).
487: &Apache::lonhtmlcommon::row_title().
488: '<br /><input type="submit" name="username_validation" value="'.
489: $submit_text.'" />'."\n";
490: if ($context eq 'selfenroll') {
491: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
492: '<span class="LC_fontsize_medium">'.
493: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
494: '</span></td></tr></table>'."\n";
495: }
496: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
497: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
498: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
499: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
500: '</form>';
501: return $output;
502: }
503:
504: sub process_email_request {
505: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
506: $server,$settings,$courseid) = @_;
507: $useremail = $env{'form.useremail'};
508: my $output;
509: if (ref($cancreate) eq 'ARRAY') {
510: if (!grep(/^email$/,@{$cancreate})) {
511: $output = &invalid_state('noemails',$domdesc,
512: $contact_name,$contact_email);
513: return $output;
514: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
515: $output = &invalid_state('baduseremail',$domdesc,
516: $contact_name,$contact_email);
517: return $output;
518: } else {
519: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
520: if ($uhome ne 'no_host') {
521: $output = &invalid_state('existinguser',$domdesc,
522: $contact_name,$contact_email);
523: return $output;
524: } else {
525: my $code = $env{'form.code'};
526: my $md5sum = $env{'form.crypt'};
527: my %captcha_params = &captcha_settings();
528: my $captcha = Authen::Captcha->new(
529: output_folder => $captcha_params{'output_dir'},
530: data_folder => $captcha_params{'db_dir'},
531: );
532: my $captcha_chk = $captcha->check_code($code,$md5sum);
533: my %captcha_hash = (
534: 0 => 'Code not checked (file error)',
535: -1 => 'Failed: code expired',
536: -2 => 'Failed: invalid code (not in database)',
537: -3 => 'Failed: invalid code (code does not match crypt)',
538: );
539: if ($captcha_chk != 1) {
540: $output = &invalid_state('captcha',$domdesc,$contact_name,
541: $contact_email,$captcha_hash{$captcha_chk});
542: return $output;
543: }
544: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
545: if ($uhome eq 'no_host') {
546: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
547: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
548: \%inst_results,\%curr_rules,\%got_rules,'username');
549: if (ref($alerts{'username'}) eq 'HASH') {
550: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
551: if ($alerts{'username'}{$domain}{$useremail}) {
552: $output = &invalid_state('userrules',$domdesc,
553: $contact_name,$contact_email);
554: return $output;
555: }
556: }
557: }
558: my $format_msg =
559: &guest_format_check($useremail,$domain,$cancreate,
560: $settings);
561: if ($format_msg) {
562: $output = &invalid_state('userformat',$domdesc,$contact_name,
563: $contact_email,$format_msg);
564: return $output;
565: }
566: }
567: }
568: }
569: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
570: $contact_email,$courseid);
571: }
572: return $output;
573: }
574:
575: sub call_rulecheck {
576: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
577: $got_rules,$tocheck) = @_;
578: my ($checkhash,$checks);
579: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
580: if ($tocheck eq 'username') {
581: $checks = { 'username' => 1 };
582: }
583: &Apache::loncommon::user_rule_check($checkhash,$checks,
584: $alerts,$rulematch,$inst_results,$curr_rules,
585: $got_rules);
586: return;
587: }
588:
589: sub send_token {
590: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
591: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
592: &mt('Thank you for your request to create a new LON-CAPA account.').
593: '<br /><br />';
594: my $now = time;
595: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
596: 'time' => $now,
597: 'domain' => $domain,
598: 'username' => $email,
599: 'courseid' => $courseid);
600: my $token = &Apache::lonnet::tmpput(\%info,$server);
601: if ($token !~ /^error/ && $token ne 'no_such_host') {
602: my $esc_token = &escape($token);
603: my $showtime = localtime(time);
604: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
605: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
606: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
607: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
608: $contact_email);
609: if ($result eq 'ok') {
610: $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>');
611: } else {
612: $msg .= '<span class="LC_error">'.
613: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
614: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
615: }
616: } else {
617: $msg .= '<span class="LC_error">'.
618: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
619: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
620: }
621: return $msg;
622: }
623:
624: sub process_mailtoken {
625: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
626: $include,$start_page) = @_;
627: my ($msg,$nostart,$noend);
628: my %data = &Apache::lonnet::tmpget($token);
629: my $now = time;
630: if (keys(%data) == 0) {
631: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
632: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
633: .' '.&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>');
634: return $msg;
635: }
636: if (($data{'time'} =~ /^\d+$/) &&
637: ($data{'domain'} ne '') &&
638: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
639: if ($now - $data{'time'} < 7200) {
640: if ($env{'form.phase'} eq 'createaccount') {
641: my ($result,$output) = &create_account($r,$domain,$lonhost,
642: $data{'username'},$domdesc);
643: if ($result eq 'ok') {
644: $msg = $output;
645: my $shownow = &Apache::lonlocal::locallocaltime($now);
646: 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";
647: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
648: $mailmsg,$contact_name,
649: $contact_email);
650: if ($mailresult eq 'ok') {
651: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
652: } else {
653: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
654: }
655: my %form = &start_session($r,$data{'username'},$domain,
656: $lonhost,$data{'courseid'},
657: $token);
658: $nostart = 1;
659: $noend = 1;
660: } else {
661: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
662: .'<br />'.$output
663: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
664: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
665: }
666: my $delete = &Apache::lonnet::tmpdel($token);
667: } else {
668: $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 />';
669: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
670: $nostart = 1;
671: }
672: } else {
673: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
674: .' '.&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>');
675: }
676: } else {
677: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
678: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
679: }
680: return ($msg,$nostart,$noend);
681: }
682:
683: sub start_session {
684: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
685: my %form = (
686: uname => $username,
687: udom => $domain,
688: );
689: my $firsturl = '/adm/roles';
690: if (defined($courseid)) {
691: $courseid = &validate_course($courseid);
692: if ($courseid ne '') {
693: $form{'courseid'} = $courseid;
694: $firsturl = '/adm/selfenroll?courseid='.$courseid;
695: }
696: }
697: if ($r->dir_config('lonBalancer') eq 'yes') {
698: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
699: $lonhost,'noredirect',undef,\%form);
700: if ($token ne '') {
701: my $delete = &Apache::lonnet::tmpdel($token);
702: }
703: $r->internal_redirect('/adm/switchserver');
704: } else {
705: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
706: $lonhost,$firsturl,undef,\%form);
707: }
708: return %form;
709: }
710:
711:
712: sub print_dataentry_form {
713: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
714: my ($error,$output);
715: &print_header($r,$start_page);
716: if (open(my $jsh,"<$include/londes.js")) {
717: while(my $line = <$jsh>) {
718: $r->print($line);
719: }
720: close($jsh);
721: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
722: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
723: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
724: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount',
725: $lonhost);
726: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
727: my ($datatable,$rowcount) =
728: &Apache::loncreateuser::personal_data_display($username,$domain,
729: 'email','selfcreate');
730: if ($rowcount) {
731: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
732: } else {
733: $output .= $formtag;
734: }
735: $output .= <<"ENDSERVERFORM";
736: <input type="hidden" name="logtoken" value="$logtoken" />
737: <input type="hidden" name="token" value="$mailtoken" />
738: <input type="hidden" name="serverid" value="$lonhost" />
739: <input type="hidden" name="uname" value="" />
740: <input type="hidden" name="upass" value="" />
741: <input type="hidden" name="udom" value="" />
742: <input type="hidden" name="phase" value="createaccount" />
743: </form>
744: ENDSERVERFORM
745: if ($rowcount) {
746: $output .= '</div>'.
747: '<div class="LC_left_float">';
748: }
749: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
750: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
751: my $submit_text = &mt('Create LON-CAPA account');
752: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
753: '<form name="client" method="post" '.
754: 'onsubmit="return checkpass();">'."\n".
755: &Apache::lonhtmlcommon::start_pick_box()."\n".
756: &Apache::lonhtmlcommon::row_title(&mt('Username'),
757: 'LC_pick_box_title',
758: 'LC_oddrow_value')."\n".
759: $username."\n".
760: &Apache::lonhtmlcommon::row_closure(1)."\n".
761: &Apache::lonhtmlcommon::row_title(&mt('Password'),
762: 'LC_pick_box_title',
763: 'LC_oddrow_value')."\n".
764: $upassone."\n".
765: &Apache::lonhtmlcommon::row_closure(1)."\n".
766: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
767: 'LC_pick_box_title',
768: 'LC_oddrow_value')."\n".
769: $upasstwo.
770: &Apache::lonhtmlcommon::row_closure(1)."\n".
771: &Apache::lonhtmlcommon::row_title()."\n".
772: '<br /><input type="submit" name="createaccount" value="'.
773: $submit_text.'" />'.
774: &Apache::lonhtmlcommon::row_closure(1)."\n".
775: &Apache::lonhtmlcommon::end_pick_box()."\n".
776: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
777: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
778: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
779: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
780: '</form>';
781: if ($rowcount) {
782: $output .= '</div>'."\n".
783: '<div class="LC_clear_float_footer"></div>'."\n";
784: }
785: } else {
786: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
787: }
788: return $output;
789: }
790:
791: sub get_creation_controls {
792: my ($domain,$usercreation) = @_;
793: my (@cancreate,@statustocreate);
794: if (ref($usercreation) eq 'HASH') {
795: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
796: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
797: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
798: } else {
799: @statustocreate = ('default');
800: my ($othertitle,$usertypes,$types) =
801: &Apache::loncommon::sorted_inst_types($domain);
802: if (ref($types) eq 'ARRAY') {
803: push(@statustocreate,@{$types});
804: }
805: }
806: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
807: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
808: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
809: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
810: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
811: }
812: }
813: }
814: return (\@cancreate,\@statustocreate);
815: }
816:
817: sub create_account {
818: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
819: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
820: $env{'form.serverid'});
821: # Error messages
822: my $error = '<span class="LC_error">'.&mt('Error:').' ';
823: my $end = '</span><br /><br />';
824: my $rtnlink = '<a href="javascript:history.back();" />'.
825: &mt('Return to previous page').'</a>'.
826: &Apache::loncommon::end_page();
827: if ($retrieved eq 'ok') {
828: if ($env{'form.courseid'} ne '') {
829: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
830: if ($result eq 'fail') {
831: $output = $error.&mt('Invalid ID format').$end.
832: $userchkmsg.$rtnlink;
833: return ('fail',$output);
834: }
835: }
836: } else {
837: return ('fail',$error.$output.$end.$rtnlink);
838: }
839: # Call modifyuser
840: my $result =
841: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
842: 'internal',$upass,$env{'form.cfirstname'},
843: $env{'form.cmiddlename'},$env{'form.clastname'},
844: $env{'form.cgeneration'},undef,undef,$username);
845: $output = &mt('Generating user: [_1]',$result);
846: my $uhome = &Apache::lonnet::homeserver($username,$domain);
847: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
848: &Apache::lonnet::hostname($uhome).'<br /><br />';
849: return ('ok',$output);
850: }
851:
852: sub username_validation {
853: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
854: $lonhost,$statustocreate) = @_;
855: my ($retrieved,$output,$upass);
856:
857: $username= &LONCAPA::clean_username($username);
858: $domain = &LONCAPA::clean_domain($domain);
859: my $uhome = &Apache::lonnet::homeserver($username,$domain);
860:
861: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
862: $env{'form.serverid'});
863: if ($retrieved ne 'ok') {
864: return ('fail',$output);
865: }
866: if ($uhome ne 'no_host') {
867: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
868: if ($result ne 'no_host') {
869: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
870: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
871: return ('existingaccount',$output);
872: } else {
873: $output = &login_failure_msg($courseid);
874: }
875: } else {
876: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
877: my $authok;
878: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
879: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
880: my $checkdefauth = 1;
881: $authok =
882: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
883: } else {
884: $authok = 'non_authorized';
885: }
886: if ($authok eq 'authorized') {
887: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
888: $contact_email,$contact_name,undef,
889: $statustocreate);
890: } else {
891: $output = &login_failure_msg($courseid);
892: }
893: }
894: return ('ok',$output);
895: }
896:
897: sub login_failure_msg {
898: my ($courseid) = @_;
899: my $url;
900: if ($courseid ne '') {
901: $url = "/adm/selfenroll?courseid=".$courseid;
902: } else {
903: $url = "/adm/createaccount";
904: }
905: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
906: &mt('Username and/or password could not be authenticated.').
907: '</div>'.
908: &mt('Please check the username and password.').'<br /><br />';
909: '<a href="'.$url.'">'.&mt('Try again').'</a>';
910: return $output;
911: }
912:
913: sub username_check {
914: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
915: $contact_name,$sso_logout,$statustocreate) = @_;
916: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
917: %alerts,%curr_rules,%got_rules);
918: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
919: \%inst_results,\%curr_rules,\%got_rules,'username');
920: if (ref($alerts{'username'}) eq 'HASH') {
921: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
922: if ($alerts{'username'}{$domain}{$username}) {
923: if (ref($curr_rules{$domain}) eq 'HASH') {
924: $output =
925: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
926: 'selfcreate').
927: &Apache::loncommon::user_rule_formats($domain,$domdesc,
928: $curr_rules{$domain}{'username'},'username');
929: }
930: $checkfail = 'username';
931: }
932: }
933: }
934: if (!$checkfail) {
935: if (ref($statustocreate) eq 'ARRAY') {
936: $checkfail = 'inststatus';
937: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
938: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
939: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
940: undef($checkfail);
941: last;
942: }
943: }
944: } elsif (grep(/^default$/,@{$statustocreate})) {
945: undef($checkfail);
946: }
947: }
948: }
949: if (!$checkfail) {
950: $output = '<form method="post" action="/adm/createaccount">';
951: (my $datatable,$rowcount,$editable) =
952: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
953: $inst_results{$username.':'.$domain});
954: if ($rowcount > 0) {
955: $output .= $datatable;
956: }
957: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
958: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
959: '<input type="hidden" name="phase" value="username_activation" />';
960: my $now = time;
961: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
962: 'time' => $now,
963: 'domain' => $domain,
964: 'username' => $username);
965: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost);
966: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
967: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
968: } else {
969: $output = &mt('An error occurred when storing a token').'<br />'.
970: &mt('You will not be able to proceed to the next stage of account creation').
971: &linkto_email_help($contact_email,$domdesc);
972: $checkfail = 'authtoken';
973: }
974: }
975: if ($checkfail) {
976: $msg = '<h4>'.&mt('Account creation unavailable').'</h4>';
977: if ($checkfail eq 'username') {
978: $msg .= '<span class="LC_warning">'.
979: &mt('A LON-CAPA account may not be created with the username you use.').
980: '</span><br /><br />'.$output;
981: } elsif ($checkfail eq 'authtoken') {
982: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
983: '<br />'.$output;
984: } elsif ($checkfail eq 'inststatus') {
985: $msg .= '<span class="LC_warning">'.
986: &mt('You are not permitted to create a LON-CAPA account.').
987: '</span><br /><br />'.$output;
988: }
989: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
990: $contact_name,$contact_email).'<br /><hr />'.
991: $sso_logout;
992: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
993: } else {
994: if ($courseid ne '') {
995: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
996: }
997: $output .= '<input type="submit" name="newaccount" value="'.
998: &mt('Create LON-CAPA account').'" /></form>';
999: if ($rowcount) {
1000: if ($editable) {
1001: if ($courseid ne '') {
1002: $msg = '<h4>'.&mt('User information').'</h4>';
1003: }
1004: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1005: } else {
1006: if ($courseid ne '') {
1007: $msg = '<h4>'.&mt('Review user information').'</h4>';
1008: }
1009: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1010: }
1011: } else {
1012: if ($courseid ne '') {
1013: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1014: }
1015: $msg .= &mt('Confirm that you wish to create an account.');
1016: }
1017: $msg .= $output;
1018: }
1019: return $msg;
1020: }
1021:
1022: sub username_activation {
1023: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1024: my $output;
1025: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1026: my $end = '</span><br /><br />';
1027: my $rtnlink = '<a href="javascript:history.back();" />'.
1028: &mt('Return to previous page').'</a>'.
1029: &Apache::loncommon::end_page();
1030: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1031: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1032: my $now = time;
1033: my $earlyout;
1034: my $timeout = 300;
1035: if (keys(%data) == 0) {
1036: $output = &mt('Sorry, your authentication has expired.');
1037: $earlyout = 'fail';
1038: }
1039: if (($data{'time'} !~ /^\d+$/) ||
1040: ($data{'domain'} ne $domain) ||
1041: ($data{'username'} ne $username)) {
1042: $earlyout = 'fail';
1043: $output = &mt('The credentials you provided could not be verified.');
1044: } elsif ($now - $data{'time'} > $timeout) {
1045: $earlyout = 'fail';
1046: $output = &mt('Sorry, your authentication has expired.');
1047: }
1048: if ($earlyout ne '') {
1049: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1050: return($earlyout,$output);
1051: }
1052: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1053: ($domdefaults{'auth_arg_def'} ne '')) ||
1054: ($domdefaults{'auth_def'} eq 'localauth')) {
1055: if ($env{'form.courseid'} ne '') {
1056: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1057: if ($result eq 'fail') {
1058: $output = $error.&mt('Invalid ID format').$end.
1059: $userchkmsg.$rtnlink;
1060: return ('fail',$output);
1061: }
1062: }
1063: # Call modifyuser
1064: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1065: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1066: \%inst_results,\%curr_rules,\%got_rules);
1067: my @userinfo = ('firstname','middlename','lastname','generation',
1068: 'permanentemail','id');
1069: my %canmodify =
1070: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1071: \@userinfo,\%inst_results);
1072: foreach my $item (@userinfo) {
1073: if ($canmodify{$item}) {
1074: $info{$item} = $env{'form.c'.$item};
1075: } else {
1076: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1077: }
1078: }
1079: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1080: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1081: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1082: }
1083: my $result =
1084: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1085: $domdefaults{'auth_def'},
1086: $domdefaults{'auth_arg_def'},$info{'firstname'},
1087: $info{'middlename'},$info{'lastname'},
1088: $info{'generation'},undef,undef,
1089: $info{'permanentemail'},$info{'inststatus'});
1090: if ($result eq 'ok') {
1091: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1092: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1093: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1094: my $nostart = 1;
1095: return ('ok',$output,$nostart);
1096: } else {
1097: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1098: return ('fail',$output);
1099: }
1100: } else {
1101: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1102: return('fail',$output);
1103: }
1104: }
1105:
1106: sub check_id {
1107: my ($username,$domain,$domdesc) = @_;
1108: # Check ID format
1109: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1110: my %checks = ('id' => 1);
1111: %{$checkhash{$username.':'.$domain}} = (
1112: 'newuser' => 1,
1113: 'id' => $env{'form.cid'},
1114: );
1115: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1116: \%rulematch,\%inst_results,\%curr_rules);
1117: if (ref($alerts{'id'}) eq 'HASH') {
1118: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1119: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1120: my $userchkmsg;
1121: if (ref($curr_rules{$domain}) eq 'HASH') {
1122: $userchkmsg =
1123: &Apache::loncommon::instrule_disallow_msg('id',
1124: $domdesc,1).
1125: &Apache::loncommon::user_rule_formats($domain,
1126: $domdesc,$curr_rules{$domain}{'id'},'id');
1127: }
1128: return ('fail',$userchkmsg);
1129: }
1130: }
1131: }
1132: return;
1133: }
1134:
1135: sub invalid_state {
1136: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1137: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1138: if ($error eq 'baduseremail') {
1139: $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
1140: } elsif ($error eq 'existinguser') {
1141: $msg = &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1142: } elsif ($error eq 'userrules') {
1143: $msg = &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1144: } elsif ($error eq 'userformat') {
1145: $msg = &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1146: } elsif ($error eq 'captcha') {
1147: $msg = &mt('Validation of the code your entered failed.');
1148: } elsif ($error eq 'noemails') {
1149: $msg = &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1150: }
1151: $msg .= '</span>';
1152: if ($msgtext) {
1153: $msg .= '<br />'.$msgtext;
1154: }
1155: $msg .= &linkto_email_help($contact_email,$domdesc);
1156: return $msg;
1157: }
1158:
1159: sub linkto_email_help {
1160: my ($contact_email,$domdesc) = @_;
1161: my $msg;
1162: if ($contact_email ne '') {
1163: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1164: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc).'<br />';
1165: } else {
1166: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1167: }
1168: return $msg;
1169: }
1170:
1171: sub create_captcha {
1172: my ($output_dir,$db_dir) = @_;
1173: my %captcha_params = &captcha_settings();
1174: my ($output,$maxtries,$tries) = ('',10,0);
1175: while ($tries < $maxtries) {
1176: $tries ++;
1177: my $captcha = Authen::Captcha->new (
1178: output_folder => $captcha_params{'output_dir'},
1179: data_folder => $captcha_params{'db_dir'},
1180: );
1181: my $md5sum = $captcha->generate_code($captcha_params{'numchars'});
1182:
1183: if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
1184: $output = '<input type="hidden" name="crypt" value="'.$md5sum.'" />'."\n".
1185: &mt('Type in the letters/numbers shown below').' '.
1186: '<input type="text" size="5" name="code" value="" /><br />'.
1187: '<img src="'.$captcha_params{'www_output_dir'}.'/'.$md5sum.'.png" />';
1188: last;
1189: }
1190: }
1191: return $output;
1192: }
1193:
1194: sub captcha_settings {
1195: my %captcha_params = (
1196: output_dir => $Apache::lonnet::perlvar{'lonCaptchaDir'},
1197: www_output_dir => "/captchaspool",
1198: db_dir => $Apache::lonnet::perlvar{'lonCaptchaDb'},
1199: numchars => '5',
1200: );
1201: return %captcha_params;
1202: }
1203:
1204: sub getkeys {
1205: my ($lkey,$ukey) = @_;
1206: my $lextkey=hex($lkey);
1207: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1208:
1209: my $uextkey=hex($ukey);
1210: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1211: return ($lextkey,$uextkey);
1212: }
1213:
1214: sub serverform {
1215: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1216: my $phase = 'username_validation';
1217: my $catalog_elements;
1218: if ($context eq 'selfenroll') {
1219: $phase = 'selfenroll_login';
1220: }
1221: if ($courseid ne '') {
1222: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1223: }
1224: my $output = <<ENDSERVERFORM;
1225: <form name="server" method="post" action="/adm/createaccount">
1226: <input type="hidden" name="logtoken" value="$logtoken" />
1227: <input type="hidden" name="token" value="$mailtoken" />
1228: <input type="hidden" name="serverid" value="$lonhost" />
1229: <input type="hidden" name="uname" value="" />
1230: <input type="hidden" name="upass" value="" />
1231: <input type="hidden" name="udom" value="" />
1232: <input type="hidden" name="phase" value="$phase" />
1233: <input type="hidden" name="courseid" value="$courseid" />
1234: $catalog_elements
1235: </form>
1236: ENDSERVERFORM
1237: return $output;
1238: }
1239:
1240: sub process_credentials {
1241: my ($logtoken,$lonhost) = @_;
1242: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1243: my ($retrieved,$output,$upass);
1244: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1245: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1246: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1247: return ($retrieved,$output,$upass);
1248: } else {
1249: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1250: if ($reply eq 'ok') {
1251: $retrieved = 'ok';
1252: } else {
1253: $output = &mt('Session could not be opened.');
1254: }
1255: }
1256: my ($key,$caller)=split(/&/,$tmpinfo);
1257: if ($caller eq 'createaccount') {
1258: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1259: } else {
1260: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1261: }
1262: return ($retrieved,$output,$upass);
1263: }
1264:
1265: sub guest_format_check {
1266: my ($useremail,$domain,$cancreate,$settings) = @_;
1267: my ($login,$format_match,$format_msg,@user_rules);
1268: if (ref($settings) eq 'HASH') {
1269: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1270: push(@user_rules,@{$settings->{'email_rule'}});
1271: }
1272: }
1273: if (@user_rules > 0) {
1274: my %rule_check =
1275: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1276: 'selfcreate',\@user_rules);
1277: if (keys(%rule_check) > 0) {
1278: foreach my $item (keys(%rule_check)) {
1279: if ($rule_check{$item}) {
1280: $format_match = 1;
1281: last;
1282: }
1283: }
1284: }
1285: }
1286: if ($format_match) {
1287: ($login) = ($useremail =~ /^([^\@]+)\@/);
1288: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1289: if (ref($cancreate) eq 'ARRAY') {
1290: if (grep(/^login$/,@{$cancreate})) {
1291: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1292: }
1293: }
1294: }
1295: return $format_msg;
1296: }
1297:
1298: sub sso_logout_frag {
1299: my ($r,$domain) = @_;
1300: my $endsessionmsg;
1301: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1302: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1303: if (-e $msgfile) {
1304: open(my $fh,"<$msgfile");
1305: $endsessionmsg = join('',<$fh>);
1306: close($fh);
1307: }
1308: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1309: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1310: if (-e $msgfile) {
1311: open(my $fh,"<$msgfile");
1312: $endsessionmsg = join('',<$fh>);
1313: close($fh);
1314: }
1315: }
1316: return $endsessionmsg;
1317: }
1318:
1319: sub catreturn_js {
1320: return <<"ENDSCRIPT";
1321: <script type="text/javascript">
1322:
1323: function ToSelfenroll(formname) {
1324: var formidx = getFormByName(formname);
1325: if (formidx > -1) {
1326: document.forms[formidx].action = '/adm/selfenroll';
1327: numidx = getIndexByName(formidx,'phase');
1328: if (numidx > -1) {
1329: document.forms[formidx].elements[numidx].value = '';
1330: }
1331: numidx = getIndexByName(formidx,'context');
1332: if (numidx > -1) {
1333: document.forms[formidx].elements[numidx].value = '';
1334: }
1335: }
1336: document.forms[formidx].submit();
1337: }
1338:
1339: function ToCatalog(formname,caller) {
1340: var formidx = getFormByName(formname);
1341: if (formidx > -1) {
1342: document.forms[formidx].action = '/adm/coursecatalog';
1343: numidx = getIndexByName(formidx,'coursenum');
1344: if (numidx > -1) {
1345: if (caller != 'details') {
1346: document.forms[formidx].elements[numidx].value = '';
1347: }
1348: }
1349: }
1350: document.forms[formidx].submit();
1351: }
1352:
1353: function getIndexByName(formidx,item) {
1354: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1355: if (document.forms[formidx].elements[i].name == item) {
1356: return i;
1357: }
1358: }
1359: return -1;
1360: }
1361:
1362: function getFormByName(item) {
1363: for (var i=0; i<document.forms.length; i++) {
1364: if (document.forms[i].name == item) {
1365: return i;
1366: }
1367: }
1368: return -1;
1369: }
1370:
1371: </script>
1372: ENDSCRIPT
1373:
1374: }
1375:
1376: 1;
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