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 1.53 2012/10/29 16:59:03 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 DynaLoader; # for Crypt::DES version
43: use Crypt::DES;
44: use LONCAPA qw(:DEFAULT :match);
45: use HTML::Entities;
46:
47: #TODO this module needs documentation
48:
49: sub handler {
50: my $r = shift;
51: &Apache::loncommon::content_type($r,'text/html');
52: $r->send_http_header;
53: if ($r->header_only) {
54: return OK;
55: }
56:
57: my $domain;
58:
59: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
60: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
61:
62: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
63: &Apache::lonacc::get_posted_cgi($r);
64: &Apache::lonlocal::get_language_handle($r);
65:
66: if ($sso_username ne '' && $sso_domain ne '') {
67: $domain = $sso_domain;
68: } else {
69: ($domain, undef) = Apache::lonnet::is_course($env{'form.courseid'});
70: $domain ||= &Apache::lonnet::default_login_domain();
71: }
72: my $domdesc = &Apache::lonnet::domain($domain,'description');
73: my $contact_name = &mt('LON-CAPA helpdesk');
74: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
75: my $contacts =
76: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
77: $domain,$origmail);
78: my ($contact_email) = split(',',$contacts);
79: my $lonhost = $r->dir_config('lonHostID');
80: my $include = $r->dir_config('lonIncludes');
81: my $start_page;
82:
83: my $handle = &Apache::lonnet::check_for_valid_session($r);
84: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
85: $start_page =
86: &Apache::loncommon::start_page('Already logged in');
87: my $end_page =
88: &Apache::loncommon::end_page();
89: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
90: '<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>').
91: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
92: return OK;
93: }
94:
95: my ($js,$courseid,$title);
96: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
97: if ($courseid ne '') {
98: $js = &catreturn_js();
99: $title = 'Self-enroll in a LON-CAPA course';
100: } else {
101: $title = 'Create a user account in LON-CAPA';
102: }
103: if ($env{'form.phase'} eq 'selfenroll_login') {
104: $title = 'Self-enroll in a LON-CAPA course';
105: if ($env{'form.udom'} ne '') {
106: $domain = $env{'form.udom'};
107: }
108:
109: my %domconfig =
110: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
111: my ($cancreate,$statustocreate) =
112: &get_creation_controls($domain,$domconfig{'usercreation'});
113:
114: my ($result,$output) =
115: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
116: $contact_name,$contact_email,$courseid,
117: $lonhost,$statustocreate);
118: if ($result eq 'existingaccount') {
119: $r->print($output);
120: &print_footer($r);
121: return OK;
122: } else {
123: $start_page = &Apache::loncommon::start_page($title,$js);
124: &print_header($r,$start_page,$courseid);
125: $r->print($output);
126: &print_footer($r);
127: return OK;
128: }
129: }
130: $start_page = &Apache::loncommon::start_page($title,$js);
131:
132: my %domconfig =
133: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
134: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
135: if (@{$cancreate} == 0) {
136: &print_header($r,$start_page,$courseid);
137: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
138: '<span class="LC_warning">'.
139: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).'</span><br /><br />';
140: $r->print($output);
141: &print_footer($r);
142: return OK;
143: }
144:
145: if ($sso_username ne '') {
146: &print_header($r,$start_page,$courseid);
147: my ($msg,$sso_logout);
148: $sso_logout = &sso_logout_frag($r,$domain);
149: if (grep(/^sso$/,@{$cancreate})) {
150: $msg = '<h3>'.&mt('Account creation').'</h3>'.
151: &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 />';
152:
153: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
154: $lonhost,$contact_email,$contact_name,
155: $sso_logout,$statustocreate);
156: } else {
157: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
158: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
159: $sso_logout;
160: }
161: $r->print($msg);
162: &print_footer($r);
163: return OK;
164: }
165:
166: my ($output,$nostart,$noend);
167: my $token = $env{'form.token'};
168: if ($token) {
169: ($output,$nostart,$noend) =
170: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
171: $domdesc,$lonhost,$include,$start_page);
172: if ($nostart) {
173: if ($noend) {
174: return OK;
175: } else {
176: $r->print($output);
177: &print_footer($r);
178: return OK;
179: }
180: } else {
181: &print_header($r,$start_page,$courseid);
182: $r->print($output);
183: &print_footer($r);
184: return OK;
185: }
186: }
187:
188: if ($env{'form.phase'} eq 'username_activation') {
189: (my $result,$output,$nostart) =
190: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
191: $courseid);
192: if ($result eq 'ok') {
193: if ($nostart) {
194: return OK;
195: }
196: }
197: &print_header($r,$start_page,$courseid);
198: $r->print($output);
199: &print_footer($r);
200: return OK;
201: } elsif ($env{'form.phase'} eq 'username_validation') {
202: (my $result,$output) =
203: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
204: $contact_name,$contact_email,$courseid,
205: $lonhost,$statustocreate);
206: if ($result eq 'existingaccount') {
207: $r->print($output);
208: &print_footer($r);
209: return OK;
210: } else {
211: &print_header($r,$start_page,$courseid);
212: }
213: } elsif ($env{'form.create_with_email'}) {
214: &print_header($r,$start_page,$courseid);
215: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
216: $contact_name,$contact_email,$cancreate,
217: $lonhost,$domconfig{'usercreation'},
218: $courseid);
219: } elsif (!$token) {
220: &print_header($r,$start_page,$courseid);
221: my $now=time;
222: if (grep(/^login$/,@{$cancreate})) {
223: my $jsh=Apache::File->new($include."/londes.js");
224: $r->print(<$jsh>);
225: $r->print(&javascript_setforms($now));
226: }
227: if (grep(/^email$/,@{$cancreate})) {
228: $r->print(&javascript_validmail());
229: }
230: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
231: $courseid);
232: }
233: $r->print($output);
234: &print_footer($r);
235: return OK;
236: }
237:
238: sub print_header {
239: my ($r,$start_page,$courseid) = @_;
240: $r->print($start_page);
241: &Apache::lonhtmlcommon::clear_breadcrumbs();
242: if ($courseid ne '') {
243: my %coursehash = &Apache::lonnet::coursedescription($courseid);
244: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
245: }
246: &Apache::lonhtmlcommon::add_breadcrumb
247: ({href=>"/adm/createuser",
248: text=>"New username"});
249: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
250: return;
251: }
252:
253: sub print_footer {
254: my ($r) = @_;
255: if ($env{'form.courseid'} ne '') {
256: $r->print('<form name="backupcrumbs" method="post" action="">'.
257: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
258: 'token','serverid','uname','upass','phase','create_with_email',
259: 'code','useremail','crypt','cfirstname','clastname',
260: 'cmiddlename','cgeneration','cpermanentemail','cid']).
261: '</form>');
262: }
263: $r->print(&Apache::loncommon::end_page());
264: }
265:
266: sub selfenroll_crumbs {
267: my ($r,$courseid,$desc) = @_;
268: &Apache::lonhtmlcommon::add_breadcrumb
269: ({href=>"javascript:ToCatalog('backupcrumbs','')",
270: text=>"Course/Community Catalog"});
271: if ($env{'form.coursenum'} ne '') {
272: &Apache::lonhtmlcommon::add_breadcrumb
273: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
274: text=>"Course details"});
275: }
276: my $last_crumb;
277: if ($desc ne '') {
278: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
279: } else {
280: $last_crumb = &mt('Self-enroll');
281: }
282: &Apache::lonhtmlcommon::add_breadcrumb
283: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
284: text=>$last_crumb,
285: no_mt=>"1"});
286: return;
287: }
288:
289: sub javascript_setforms {
290: my ($now) = @_;
291: my $js = <<ENDSCRIPT;
292: <script type="text/javascript" language="JavaScript">
293: function send() {
294: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
295: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
296: uextkey=this.document.client.elements.uextkey.value;
297: lextkey=this.document.client.elements.lextkey.value;
298: initkeys();
299:
300: this.document.server.elements.upass.value
301: = crypted(this.document.client.elements.upass$now.value);
302:
303: this.document.client.elements.uname.value='';
304: this.document.client.elements.upass$now.value='';
305:
306: this.document.server.submit();
307: return false;
308: }
309: </script>
310: ENDSCRIPT
311: return $js;
312: }
313:
314: sub javascript_checkpass {
315: my ($now) = @_;
316: my $nopass = &mt('You must enter a password.');
317: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
318: &mt('Please try again.');
319: my $js = <<"ENDSCRIPT";
320: <script type="text/javascript" language="JavaScript">
321: function checkpass() {
322: var upass = this.document.client.elements.upass$now.value;
323: var upasscheck = this.document.client.elements.upasscheck$now.value;
324: if (upass == '') {
325: alert("$nopass");
326: return false;
327: }
328: if (upass == upasscheck) {
329: this.document.client.elements.upasscheck$now.value='';
330: send();
331: return false;
332: } else {
333: alert("$mismatchpass");
334: return false;
335: }
336: }
337: </script>
338: ENDSCRIPT
339: return $js;
340: }
341:
342: sub javascript_validmail {
343: my %lt = &Apache::lonlocal::texthash (
344: email => 'The e-mail address you entered',
345: notv => 'is not a valid e-mail address',
346: );
347: my $output = "\n".'<script type="text/javascript">'."\n".
348: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
349: $output .= <<"ENDSCRIPT";
350: function validate_email() {
351: field = document.createaccount.useremail;
352: if (validmail(field) == false) {
353: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
354: return false;
355: }
356: return true;
357: }
358: ENDSCRIPT
359: $output .= "\n".'</script>'."\n";
360: return $output;
361: }
362:
363: sub print_username_form {
364: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
365: my %lt = &Apache::lonlocal::texthash(
366: unam => 'username',
367: udom => 'domain',
368: uemail => 'E-mail address in LON-CAPA',
369: proc => 'Proceed');
370: my $output;
371: if (ref($cancreate) eq 'ARRAY') {
372: if (grep(/^login$/,@{$cancreate})) {
373: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
374: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
375: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
376: my $submit_text = &mt('Create LON-CAPA account');
377: $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 />';
378: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
379: $domain,'createaccount').'</div>';
380: }
381: }
382: if (grep(/^email$/,@{$cancreate})) {
383: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
384: my ($captchaform,$error) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
385: if ($error) {
386: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
387: if ($courseid ne '') {
388: $helpdesk .= '&courseid='.$courseid;
389: }
390: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
391: } else {
392: my $submit_text = &mt('Request LON-CAPA account');
393: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
394: if (grep(/^login$/,@{$cancreate})) {
395: $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 />';
396: } else {
397: $output .= '<br />';
398: }
399: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
400: &Apache::lonhtmlcommon::start_pick_box()."\n".
401: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
402: 'LC_pick_box_title')."\n".
403: $emailform."\n";
404: if ($captchaform) {
405: $output .= &Apache::lonhtmlcommon::row_closure(1).
406: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
407: 'LC_pick_box_title')."\n".
408: $captchaform."\n".'<br /><br />';
409: }
410: if ($courseid ne '') {
411: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
412: }
413: $output .= &Apache::lonhtmlcommon::row_closure(1).
414: &Apache::lonhtmlcommon::row_title().'<br />'.
415: '<input type="submit" name="create_with_email" value="'.
416: $submit_text.'" />'.
417: &Apache::lonhtmlcommon::row_closure(1).
418: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
419: if ($courseid ne '') {
420: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
421: }
422: $output .= '</form>';
423: }
424: $output .= '</div>';
425: }
426: }
427: if ($output eq '') {
428: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
429: } else {
430: $output .= '<div class="LC_clear_float_footer"></div>';
431: }
432: return $output;
433: }
434:
435: sub login_box {
436: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
437: my $output;
438: my %titles = &Apache::lonlocal::texthash(
439: createaccount => 'Log-in ID',
440: selfenroll => 'Username',
441: );
442: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
443: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
444: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
445: $lonhost);
446: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
447: my $unameform = '<input type="text" name="uname" size="20" value="" />';
448: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
449: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
450: &Apache::lonhtmlcommon::start_pick_box()."\n".
451: &Apache::lonhtmlcommon::row_title($titles{$context},
452: 'LC_pick_box_title')."\n".
453: $unameform."\n".
454: &Apache::lonhtmlcommon::row_closure(1)."\n".
455: &Apache::lonhtmlcommon::row_title(&mt('Password'),
456: 'LC_pick_box_title')."\n".
457: $upassform;
458: if ($context eq 'selfenroll') {
459: my $udomform = '<input type="text" name="udom" size="10" value="'.
460: $domain.'" />';
461: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
462: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
463: 'LC_pick_box_title')."\n".
464: $udomform."\n";
465: } else {
466: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
467: }
468: $output .= &Apache::lonhtmlcommon::row_closure(1).
469: &Apache::lonhtmlcommon::row_title().
470: '<br /><input type="submit" name="username_validation" value="'.
471: $submit_text.'" />'."\n";
472: if ($context eq 'selfenroll') {
473: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
474: '<span class="LC_fontsize_medium">'.
475: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
476: '</span></td></tr></table>'."\n";
477: }
478: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
479: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
480: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
481: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
482: '</form>';
483: return $output;
484: }
485:
486: sub process_email_request {
487: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
488: $server,$settings,$courseid) = @_;
489: $useremail = $env{'form.useremail'};
490: my $output;
491: if (ref($cancreate) eq 'ARRAY') {
492: if (!grep(/^email$/,@{$cancreate})) {
493: $output = &invalid_state('noemails',$domdesc,
494: $contact_name,$contact_email);
495: return $output;
496: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
497: $output = &invalid_state('baduseremail',$domdesc,
498: $contact_name,$contact_email);
499: return $output;
500: } else {
501: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
502: if ($uhome ne 'no_host') {
503: $output = &invalid_state('existinguser',$domdesc,
504: $contact_name,$contact_email);
505: return $output;
506: } else {
507: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
508: if ($captcha_chk != 1) {
509: $output = &invalid_state('captcha',$domdesc,$contact_name,
510: $contact_email,$captcha_error);
511: return $output;
512: }
513: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
514: if ($uhome eq 'no_host') {
515: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
516: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
517: \%inst_results,\%curr_rules,\%got_rules,'username');
518: if (ref($alerts{'username'}) eq 'HASH') {
519: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
520: if ($alerts{'username'}{$domain}{$useremail}) {
521: $output = &invalid_state('userrules',$domdesc,
522: $contact_name,$contact_email);
523: return $output;
524: }
525: }
526: }
527: my $format_msg =
528: &guest_format_check($useremail,$domain,$cancreate,
529: $settings);
530: if ($format_msg) {
531: $output = &invalid_state('userformat',$domdesc,$contact_name,
532: $contact_email,$format_msg);
533: return $output;
534: }
535: }
536: }
537: }
538: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
539: $contact_email,$courseid);
540: }
541: return $output;
542: }
543:
544: sub call_rulecheck {
545: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
546: $got_rules,$tocheck) = @_;
547: my ($checkhash,$checks);
548: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
549: if ($tocheck eq 'username') {
550: $checks = { 'username' => 1 };
551: }
552: &Apache::loncommon::user_rule_check($checkhash,$checks,
553: $alerts,$rulematch,$inst_results,$curr_rules,
554: $got_rules);
555: return;
556: }
557:
558: sub send_token {
559: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
560: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
561: &mt('Thank you for your request to create a new LON-CAPA account.').
562: '<br /><br />';
563: my $now = time;
564: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
565: 'time' => $now,
566: 'domain' => $domain,
567: 'username' => $email,
568: 'courseid' => $courseid);
569: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
570: if ($token !~ /^error/ && $token ne 'no_such_host') {
571: my $esc_token = &escape($token);
572: my $showtime = localtime(time);
573: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
574: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
575: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
576: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
577: $contact_email);
578: if ($result eq 'ok') {
579: $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>');
580: } else {
581: $msg .= '<span class="LC_error">'.
582: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
583: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
584: }
585: } else {
586: $msg .= '<span class="LC_error">'.
587: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
588: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
589: }
590: return $msg;
591: }
592:
593: sub process_mailtoken {
594: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
595: $include,$start_page) = @_;
596: my ($msg,$nostart,$noend);
597: my %data = &Apache::lonnet::tmpget($token);
598: my $now = time;
599: if (keys(%data) == 0) {
600: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
601: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
602: .' '.&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>');
603: return $msg;
604: }
605: if (($data{'time'} =~ /^\d+$/) &&
606: ($data{'domain'} ne '') &&
607: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
608: if ($now - $data{'time'} < 7200) {
609: if ($env{'form.phase'} eq 'createaccount') {
610: my ($result,$output,$uhome) =
611: &create_account($r,$domain,$data{'username'},$domdesc);
612: if ($result eq 'ok') {
613: $msg = $output;
614: my $shownow = &Apache::lonlocal::locallocaltime($now);
615: 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";
616: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
617: $mailmsg,$contact_name,
618: $contact_email);
619: if ($mailresult eq 'ok') {
620: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
621: } else {
622: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
623: }
624: &start_session($r,$data{'username'},$domain,$uhome,
625: $data{'courseid'},$token);
626: $nostart = 1;
627: $noend = 1;
628: } else {
629: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
630: .'<br />'.$output
631: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
632: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
633: }
634: my $delete = &Apache::lonnet::tmpdel($token);
635: } else {
636: $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 />';
637: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
638: $nostart = 1;
639: }
640: } else {
641: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
642: .' '.&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>');
643: }
644: } else {
645: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
646: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
647: }
648: return ($msg,$nostart,$noend);
649: }
650:
651: sub start_session {
652: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
653:
654: if ($r->dir_config('lonBalancer') eq 'yes') {
655: Apache::lonauth::success($r, $username, $domain, $uhome,
656: 'noredirect', undef, {});
657:
658: Apache::lonnet::tmpdel($token) if $token;
659:
660: $r->internal_redirect('/adm/switchserver');
661: } else {
662: $courseid = Apache::lonnet::is_course($courseid);
663:
664: Apache::lonauth::success($r, $username, $domain, $uhome,
665: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
666: undef, {});
667: }
668:
669: return;
670: }
671:
672: #
673: # The screen that the user gets to create his or her account
674: # Desired username, desired password, etc
675: # Stores token to store DES-key and stage during creation session
676: #
677: sub print_dataentry_form {
678: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
679: my ($error,$output);
680: &print_header($r,$start_page);
681: if (open(my $jsh,"<$include/londes.js")) {
682: while(my $line = <$jsh>) {
683: $r->print($line);
684: }
685: close($jsh);
686: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
687: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
688: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
689: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
690: $lonhost);
691: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
692: my ($datatable,$rowcount) =
693: &Apache::loncreateuser::personal_data_display($username,$domain,
694: 'email','selfcreate');
695: if ($rowcount) {
696: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
697: } else {
698: $output .= $formtag;
699: }
700: $output .= <<"ENDSERVERFORM";
701: <input type="hidden" name="logtoken" value="$logtoken" />
702: <input type="hidden" name="token" value="$mailtoken" />
703: <input type="hidden" name="serverid" value="$lonhost" />
704: <input type="hidden" name="uname" value="" />
705: <input type="hidden" name="upass" value="" />
706: <input type="hidden" name="udom" value="" />
707: <input type="hidden" name="phase" value="createaccount" />
708: </form>
709: ENDSERVERFORM
710: if ($rowcount) {
711: $output .= '</div>'.
712: '<div class="LC_left_float">';
713: }
714: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
715: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
716: my $submit_text = &mt('Create LON-CAPA account');
717: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
718: '<form name="client" method="post" action="" '.
719: 'onsubmit="return checkpass();">'."\n".
720: &Apache::lonhtmlcommon::start_pick_box()."\n".
721: &Apache::lonhtmlcommon::row_title(&mt('Username'),
722: 'LC_pick_box_title',
723: 'LC_oddrow_value')."\n".
724: $username."\n".
725: &Apache::lonhtmlcommon::row_closure(1)."\n".
726: &Apache::lonhtmlcommon::row_title(&mt('Password'),
727: 'LC_pick_box_title',
728: 'LC_oddrow_value')."\n".
729: $upassone."\n".
730: &Apache::lonhtmlcommon::row_closure(1)."\n".
731: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
732: 'LC_pick_box_title',
733: 'LC_oddrow_value')."\n".
734: $upasstwo.
735: &Apache::lonhtmlcommon::row_closure(1)."\n".
736: &Apache::lonhtmlcommon::row_title()."\n".
737: '<br /><input type="submit" name="createaccount" value="'.
738: $submit_text.'" />'.
739: &Apache::lonhtmlcommon::row_closure(1)."\n".
740: &Apache::lonhtmlcommon::end_pick_box()."\n".
741: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
742: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
743: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
744: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
745: '</form>';
746: if ($rowcount) {
747: $output .= '</div>'."\n".
748: '<div class="LC_clear_float_footer"></div>'."\n";
749: }
750: } else {
751: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
752: }
753: return $output;
754: }
755:
756: #
757: # Retrieve rules for generating accounts from domain configuration
758: # Can the user make a new account or just self-enroll?
759:
760: sub get_creation_controls {
761: my ($domain,$usercreation) = @_;
762: my (@cancreate,@statustocreate);
763: if (ref($usercreation) eq 'HASH') {
764: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
765: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
766: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
767: if (@statustocreate == 0) {
768: my ($othertitle,$usertypes,$types) =
769: &Apache::loncommon::sorted_inst_types($domain);
770: if (ref($types) eq 'ARRAY') {
771: if (@{$types} == 0) {
772: @statustocreate = ('default');
773: }
774: } else {
775: @statustocreate = ('default');
776: }
777: }
778: } else {
779: @statustocreate = ('default');
780: my ($othertitle,$usertypes,$types) =
781: &Apache::loncommon::sorted_inst_types($domain);
782: if (ref($types) eq 'ARRAY') {
783: push(@statustocreate,@{$types});
784: }
785: }
786: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
787: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
788: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
789: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
790: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
791: }
792: }
793: }
794: return (\@cancreate,\@statustocreate);
795: }
796:
797: sub create_account {
798: my ($r,$domain,$username,$domdesc) = @_;
799: # Get the token info
800: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
801: $env{'form.serverid'});
802: # $retrieved is 'ok' if things worked
803: # $output is user error output
804: # $upass is the decrypted password
805: # Error messages
806: my $error = '<span class="LC_error">'.&mt('Error:').' ';
807: my $end = '</span><br /><br />';
808: my $rtnlink = '<a href="javascript:history.back();" />'.
809: &mt('Return to previous page').'</a>'.
810: &Apache::loncommon::end_page();
811: if ($retrieved eq 'ok') {
812: if ($env{'form.courseid'} ne '') {
813: # See if we are allowed to use this username per domain rules (number of characters, etc)
814: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
815: if ($result eq 'fail') {
816: $output = $error.&mt('Invalid ID format').$end.
817: $userchkmsg.$rtnlink;
818: return ('fail',$output);
819: }
820: }
821: } else {
822: return ('fail',$error.$output.$end.$rtnlink);
823: }
824: # Yes! We can do this. Valid token, valid username format
825: # Create an internally authenticated account with password $upass
826: # if the account does not exist yet
827: # Assign student/staff number $env{'form.cid'}, first name, last name, etc
828: my $result =
829: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
830: 'internal',$upass,$env{'form.cfirstname'},
831: $env{'form.cmiddlename'},$env{'form.clastname'},
832: $env{'form.cgeneration'},undef,undef,$username);
833: $output = &mt('Generating user: [_1]',$result);
834: # Now that the user exists, we can have a homeserver
835: my $uhome = &Apache::lonnet::homeserver($username,$domain);
836: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
837: &Apache::lonnet::hostname($uhome).'<br /><br />';
838: return ('ok',$output,$uhome);
839: }
840:
841: sub username_validation {
842: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
843: $lonhost,$statustocreate) = @_;
844: # $username,$domain: for the user who needs to be validated
845: # $domdesc: full name of the domain (for error messages)
846: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check
847: # $courseid: ID of the course that the user should be validated for, goes into start_session
848: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
849:
850: my ($retrieved,$output,$upass);
851:
852: $username= &LONCAPA::clean_username($username);
853: $domain = &LONCAPA::clean_domain($domain);
854: my $uhome = &Apache::lonnet::homeserver($username,$domain);
855:
856: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
857: $env{'form.serverid'});
858: if ($retrieved ne 'ok') {
859: return ('fail',$output);
860: }
861: if ($uhome ne 'no_host') {
862: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
863: if ($result ne 'no_host') {
864: &start_session($r,$username,$domain,$uhome,$courseid);
865: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
866: return ('existingaccount',$output);
867: } else {
868: $output = &login_failure_msg($courseid);
869: }
870: } else {
871: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
872: my $authok;
873: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
874: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
875: my $checkdefauth = 1;
876: $authok =
877: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
878: } else {
879: $authok = 'non_authorized';
880: }
881: if ($authok eq 'authorized') {
882: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
883: $contact_email,$contact_name,undef,
884: $statustocreate);
885: } else {
886: $output = &login_failure_msg($courseid);
887: }
888: }
889: return ('ok',$output);
890: }
891:
892: sub login_failure_msg {
893: my ($courseid) = @_;
894: my $url;
895: if ($courseid ne '') {
896: $url = "/adm/selfenroll?courseid=".$courseid;
897: } else {
898: $url = "/adm/createaccount";
899: }
900: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
901: &mt('Username and/or password could not be authenticated.').
902: '</div>'.
903: &mt('Please check the username and password.').'<br /><br />';
904: '<a href="'.$url.'">'.&mt('Try again').'</a>';
905: return $output;
906: }
907:
908: sub username_check {
909: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
910: $contact_name,$sso_logout,$statustocreate) = @_;
911: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
912: %alerts,%curr_rules,%got_rules);
913: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
914: \%inst_results,\%curr_rules,\%got_rules,'username');
915: if (ref($alerts{'username'}) eq 'HASH') {
916: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
917: if ($alerts{'username'}{$domain}{$username}) {
918: if (ref($curr_rules{$domain}) eq 'HASH') {
919: $output =
920: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
921: 'selfcreate').
922: &Apache::loncommon::user_rule_formats($domain,$domdesc,
923: $curr_rules{$domain}{'username'},'username');
924: }
925: $checkfail = 'username';
926: }
927: }
928: }
929: if (!$checkfail) {
930: if (ref($statustocreate) eq 'ARRAY') {
931: $checkfail = 'inststatus';
932: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
933: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
934: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
935: undef($checkfail);
936: last;
937: }
938: }
939: } elsif (grep(/^default$/,@{$statustocreate})) {
940: undef($checkfail);
941: }
942: }
943: }
944: if (!$checkfail) {
945: $output = '<form method="post" action="/adm/createaccount">';
946: (my $datatable,$rowcount,$editable) =
947: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
948: $inst_results{$username.':'.$domain});
949: if ($rowcount > 0) {
950: $output .= $datatable;
951: }
952: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
953: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
954: '<input type="hidden" name="phase" value="username_activation" />';
955: my $now = time;
956: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
957: 'time' => $now,
958: 'domain' => $domain,
959: 'username' => $username);
960: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
961: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
962: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
963: } else {
964: $output = &mt('An error occurred when storing a token').'<br />'.
965: &mt('You will not be able to proceed to the next stage of account creation').
966: &linkto_email_help($contact_email,$domdesc);
967: $checkfail = 'authtoken';
968: }
969: }
970: if ($checkfail) {
971: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
972: if ($checkfail eq 'username') {
973: $msg .= '<span class="LC_warning">'.
974: &mt('A LON-CAPA account may not be created with the username you use.').
975: '</span><br /><br />'.$output;
976: } elsif ($checkfail eq 'authtoken') {
977: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
978: '<br />'.$output;
979: } elsif ($checkfail eq 'inststatus') {
980: $msg .= '<span class="LC_warning">'.
981: &mt('You are not permitted to create a LON-CAPA account.').
982: '</span><br /><br />'.$output;
983: }
984: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
985: $contact_name,$contact_email).'<br /><hr />'.
986: $sso_logout;
987: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
988: } else {
989: if ($courseid ne '') {
990: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
991: }
992: $output .= '<input type="submit" name="newaccount" value="'.
993: &mt('Create LON-CAPA account').'" /></form>';
994: if ($rowcount) {
995: if ($editable) {
996: if ($courseid ne '') {
997: $msg = '<br /><h4>'.&mt('User information').'</h4>';
998: }
999: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1000: } else {
1001: if ($courseid ne '') {
1002: $msg = '<h4>'.&mt('Review user information').'</h4>';
1003: }
1004: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1005: }
1006: } else {
1007: if ($courseid ne '') {
1008: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1009: }
1010: $msg .= &mt('Confirm that you wish to create an account.');
1011: }
1012: $msg .= $output;
1013: }
1014: return $msg;
1015: }
1016:
1017: sub username_activation {
1018: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1019: my $output;
1020: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1021: my $end = '</span><br /><br />';
1022: my $rtnlink = '<a href="javascript:history.back();" />'.
1023: &mt('Return to previous page').'</a>'.
1024: &Apache::loncommon::end_page();
1025: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1026: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1027: my $now = time;
1028: my $earlyout;
1029: my $timeout = 300;
1030: if (keys(%data) == 0) {
1031: $output = &mt('Sorry, your authentication has expired.');
1032: $earlyout = 'fail';
1033: }
1034: if (($data{'time'} !~ /^\d+$/) ||
1035: ($data{'domain'} ne $domain) ||
1036: ($data{'username'} ne $username)) {
1037: $earlyout = 'fail';
1038: $output = &mt('The credentials you provided could not be verified.');
1039: } elsif ($now - $data{'time'} > $timeout) {
1040: $earlyout = 'fail';
1041: $output = &mt('Sorry, your authentication has expired.');
1042: }
1043: if ($earlyout ne '') {
1044: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1045: return($earlyout,$output);
1046: }
1047: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1048: ($domdefaults{'auth_arg_def'} ne '')) ||
1049: ($domdefaults{'auth_def'} eq 'localauth')) {
1050: if ($env{'form.courseid'} ne '') {
1051: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1052: if ($result eq 'fail') {
1053: $output = $error.&mt('Invalid ID format').$end.
1054: $userchkmsg.$rtnlink;
1055: return ('fail',$output);
1056: }
1057: }
1058: # Call modifyuser
1059: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1060: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1061: \%inst_results,\%curr_rules,\%got_rules);
1062: my @userinfo = ('firstname','middlename','lastname','generation',
1063: 'permanentemail','id');
1064: my %canmodify =
1065: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1066: \@userinfo,\%inst_results);
1067: foreach my $item (@userinfo) {
1068: if ($canmodify{$item}) {
1069: $info{$item} = $env{'form.c'.$item};
1070: } else {
1071: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1072: }
1073: }
1074: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1075: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1076: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1077: }
1078: my $result =
1079: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1080: $domdefaults{'auth_def'},
1081: $domdefaults{'auth_arg_def'},$info{'firstname'},
1082: $info{'middlename'},$info{'lastname'},
1083: $info{'generation'},undef,undef,
1084: $info{'permanentemail'},$info{'inststatus'});
1085: if ($result eq 'ok') {
1086: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1087: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1088: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1089: &start_session($r,$username,$domain,$uhome,$courseid);
1090: my $nostart = 1;
1091: return ('ok',$output,$nostart);
1092: } else {
1093: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1094: return ('fail',$output);
1095: }
1096: } else {
1097: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1098: return('fail',$output);
1099: }
1100: }
1101:
1102: sub check_id {
1103: my ($username,$domain,$domdesc) = @_;
1104: # Check ID format
1105: # Is $username in an okay format for $domain
1106: # (right number of characters, special characters, etc - follow domain rules)?
1107: # $domdesc is just used for user error messages
1108: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1109: my %checks = ('id' => 1);
1110: %{$checkhash{$username.':'.$domain}} = (
1111: 'newuser' => 1,
1112: 'id' => $env{'form.cid'},
1113: );
1114: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1115: \%rulematch,\%inst_results,\%curr_rules);
1116: if (ref($alerts{'id'}) eq 'HASH') {
1117: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1118: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1119: my $userchkmsg;
1120: if (ref($curr_rules{$domain}) eq 'HASH') {
1121: $userchkmsg =
1122: &Apache::loncommon::instrule_disallow_msg('id',
1123: $domdesc,1).
1124: &Apache::loncommon::user_rule_formats($domain,
1125: $domdesc,$curr_rules{$domain}{'id'},'id');
1126: }
1127: return ('fail',$userchkmsg);
1128: }
1129: }
1130: }
1131: return;
1132: }
1133:
1134: sub invalid_state {
1135: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1136: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1137: if ($error eq 'baduseremail') {
1138: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1139: } elsif ($error eq 'existinguser') {
1140: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1141: } elsif ($error eq 'userrules') {
1142: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1143: } elsif ($error eq 'userformat') {
1144: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1145: } elsif ($error eq 'captcha') {
1146: $msg .= &mt('Validation of the code you entered failed.');
1147: } elsif ($error eq 'noemails') {
1148: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1149: }
1150: $msg .= '</span>';
1151: if ($msgtext) {
1152: $msg .= '<br />'.$msgtext;
1153: }
1154: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1155: return $msg;
1156: }
1157:
1158: sub linkto_email_help {
1159: my ($contact_email,$domdesc,$error) = @_;
1160: my $msg;
1161: my $href = '/adm/helpdesk';
1162: if ($contact_email ne '') {
1163: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1164: $href .= '?origurl='.$escuri;
1165: if ($error eq 'existinguser') {
1166: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1167: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1168: }
1169: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1170: } else {
1171: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1172: }
1173: return $msg;
1174: }
1175:
1176: sub getkeys {
1177: my ($lkey,$ukey) = @_;
1178: my $lextkey=hex($lkey);
1179: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1180:
1181: my $uextkey=hex($ukey);
1182: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1183: return ($lextkey,$uextkey);
1184: }
1185:
1186: sub serverform {
1187: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1188: my $phase = 'username_validation';
1189: my $catalog_elements;
1190: if ($context eq 'selfenroll') {
1191: $phase = 'selfenroll_login';
1192: }
1193: if ($courseid ne '') {
1194: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1195: }
1196: my $output = <<ENDSERVERFORM;
1197: <form name="server" method="post" action="/adm/createaccount">
1198: <input type="hidden" name="logtoken" value="$logtoken" />
1199: <input type="hidden" name="token" value="$mailtoken" />
1200: <input type="hidden" name="serverid" value="$lonhost" />
1201: <input type="hidden" name="uname" value="" />
1202: <input type="hidden" name="upass" value="" />
1203: <input type="hidden" name="udom" value="" />
1204: <input type="hidden" name="phase" value="$phase" />
1205: <input type="hidden" name="courseid" value="$courseid" />
1206: $catalog_elements
1207: </form>
1208: ENDSERVERFORM
1209: return $output;
1210: }
1211:
1212: sub process_credentials {
1213: #
1214: # Fetches the information from the logtoken via tmpget
1215: # Token contains the DES-key and the stage of the process (would only be "createaccount")
1216: # $lonhost in this routine is *not* necessarily the machine that this runs on,
1217: # but $env{'form.serverid'}, the machine that issued the token.
1218: #
1219: my ($logtoken,$lonhost) = @_;
1220: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1221: my ($retrieved,$output,$upass);
1222: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1223: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1224: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1225: return ($retrieved,$output,$upass);
1226: } else {
1227: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1228: if ($reply eq 'ok') {
1229: $retrieved = 'ok';
1230: } else {
1231: $output = &mt('Session could not be opened.');
1232: }
1233: }
1234: my ($key,$caller)=split(/&/,$tmpinfo);
1235: if ($caller eq 'createaccount') {
1236: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1237: } else {
1238: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1239: }
1240: # $retrieved is 'ok' if retrieved okay
1241: # $output is screen output for the user
1242: # $upass is $env{'form.upass'}, decrypted with the DES-key, if stage was 'createaccount'
1243:
1244: return ($retrieved,$output,$upass);
1245: }
1246:
1247: sub guest_format_check {
1248: my ($useremail,$domain,$cancreate,$settings) = @_;
1249: my ($login,$format_match,$format_msg,@user_rules);
1250: if (ref($settings) eq 'HASH') {
1251: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1252: push(@user_rules,@{$settings->{'email_rule'}});
1253: }
1254: }
1255: if (@user_rules > 0) {
1256: my %rule_check =
1257: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1258: 'selfcreate',\@user_rules);
1259: if (keys(%rule_check) > 0) {
1260: foreach my $item (keys(%rule_check)) {
1261: if ($rule_check{$item}) {
1262: $format_match = 1;
1263: last;
1264: }
1265: }
1266: }
1267: }
1268: if ($format_match) {
1269: ($login) = ($useremail =~ /^([^\@]+)\@/);
1270: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1271: if (ref($cancreate) eq 'ARRAY') {
1272: if (grep(/^login$/,@{$cancreate})) {
1273: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1274: }
1275: }
1276: }
1277: return $format_msg;
1278: }
1279:
1280: sub sso_logout_frag {
1281: my ($r,$domain) = @_;
1282: my $endsessionmsg;
1283: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1284: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1285: if (-e $msgfile) {
1286: open(my $fh,"<$msgfile");
1287: $endsessionmsg = join('',<$fh>);
1288: close($fh);
1289: }
1290: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1291: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1292: if (-e $msgfile) {
1293: open(my $fh,"<$msgfile");
1294: $endsessionmsg = join('',<$fh>);
1295: close($fh);
1296: }
1297: }
1298: return $endsessionmsg;
1299: }
1300:
1301: sub catreturn_js {
1302: return <<"ENDSCRIPT";
1303: <script type="text/javascript">
1304:
1305: function ToSelfenroll(formname) {
1306: var formidx = getFormByName(formname);
1307: if (formidx > -1) {
1308: document.forms[formidx].action = '/adm/selfenroll';
1309: numidx = getIndexByName(formidx,'phase');
1310: if (numidx > -1) {
1311: document.forms[formidx].elements[numidx].value = '';
1312: }
1313: numidx = getIndexByName(formidx,'context');
1314: if (numidx > -1) {
1315: document.forms[formidx].elements[numidx].value = '';
1316: }
1317: }
1318: document.forms[formidx].submit();
1319: }
1320:
1321: function ToCatalog(formname,caller) {
1322: var formidx = getFormByName(formname);
1323: if (formidx > -1) {
1324: document.forms[formidx].action = '/adm/coursecatalog';
1325: numidx = getIndexByName(formidx,'coursenum');
1326: if (numidx > -1) {
1327: if (caller != 'details') {
1328: document.forms[formidx].elements[numidx].value = '';
1329: }
1330: }
1331: }
1332: document.forms[formidx].submit();
1333: }
1334:
1335: function getIndexByName(formidx,item) {
1336: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1337: if (document.forms[formidx].elements[i].name == item) {
1338: return i;
1339: }
1340: }
1341: return -1;
1342: }
1343:
1344: function getFormByName(item) {
1345: for (var i=0; i<document.forms.length; i++) {
1346: if (document.forms[i].name == item) {
1347: return i;
1348: }
1349: }
1350: return -1;
1351: }
1352:
1353: </script>
1354: ENDSCRIPT
1355:
1356: }
1357:
1358: 1;
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