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: # kerberos, or SSO) or an e-mail address. Requests to use an e-mail address as
5: # username may be processed automatically, or may be queued for approval.
6: #
7: # $Id: createaccount.pm,v 1.60 2014/02/20 01:00:33 raeburn Exp $
8: #
9: # Copyright Michigan State University Board of Trustees
10: #
11: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
12: #
13: # LON-CAPA is free software; you can redistribute it and/or modify
14: # it under the terms of the GNU General Public License as published by
15: # the Free Software Foundation; either version 2 of the License, or
16: # (at your option) any later version.
17: #
18: # LON-CAPA is distributed in the hope that it will be useful,
19: # but WITHOUT ANY WARRANTY; without even the implied warranty of
20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: # GNU General Public License for more details.
22: #
23: # You should have received a copy of the GNU General Public License
24: # along with LON-CAPA; if not, write to the Free Software
25: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26: #
27: # /home/httpd/html/adm/gpl.txt
28: #
29: # http://www.lon-capa.org/
30: #
31: #
32: package Apache::createaccount;
33:
34: use strict;
35: use Apache::Constants qw(:common);
36: use Apache::lonacc;
37: use Apache::lonnet;
38: use Apache::loncommon;
39: use Apache::lonhtmlcommon;
40: use Apache::lonlocal;
41: use Apache::lonauth;
42: use Apache::resetpw;
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('SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
62: ['token','courseid','domain']);
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($env{'form.courseid'});
70: unless ($domain) {
71: if ($env{'form.phase'} =~ /^username_(activation|validation)$/) {
72: if (($env{'form.udom'} =~ /^$match_domain$/) &&
73: (&Apache::lonnet::domain($env{'form.udom'}) ne '')) {
74: $domain = $env{'form.udom'};
75: } else {
76: $domain = &Apache::lonnet::default_login_domain();
77: }
78: } elsif (($env{'form.phase'} eq '') &&
79: ($env{'form.domain'} =~ /^$match_domain$/) &&
80: (&Apache::lonnet::domain($env{'form.domain'}) ne '')) {
81: $domain = $env{'form.domain'};
82: } else {
83: $domain = &Apache::lonnet::default_login_domain();
84: }
85: }
86: }
87: my $domdesc = &Apache::lonnet::domain($domain,'description');
88: my $contact_name = &mt('LON-CAPA helpdesk');
89: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
90: my $contacts =
91: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
92: $domain,$origmail);
93: my ($contact_email) = split(',',$contacts);
94: my $lonhost = $r->dir_config('lonHostID');
95: my $include = $r->dir_config('lonIncludes');
96: my $start_page;
97:
98: my $handle = &Apache::lonnet::check_for_valid_session($r);
99: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
100: $start_page =
101: &Apache::loncommon::start_page('Already logged in');
102: my $end_page =
103: &Apache::loncommon::end_page();
104: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
105: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
106: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
107: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
108: return OK;
109: }
110:
111: my ($js,$courseid,$title);
112: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
113: if ($courseid ne '') {
114: $js = &catreturn_js();
115: $title = 'Self-enroll in a LON-CAPA course';
116: } else {
117: $title = 'Create a user account in LON-CAPA';
118: }
119: if ($env{'form.phase'} eq 'selfenroll_login') {
120: $title = 'Self-enroll in a LON-CAPA course';
121: if ($env{'form.udom'} ne '') {
122: $domain = $env{'form.udom'};
123: }
124:
125: my %domconfig =
126: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
127: my ($cancreate,$statustocreate,$emailusername) =
128: &get_creation_controls($domain,$domconfig{'usercreation'});
129:
130: my ($result,$output) =
131: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
132: $contact_name,$contact_email,$courseid,
133: $lonhost,$statustocreate);
134: if ($result eq 'redirect') {
135: $r->internal_redirect('/adm/switchserver');
136: return OK;
137: } elsif ($result eq 'existingaccount') {
138: $r->print($output);
139: &print_footer($r);
140: return OK;
141: } else {
142: $start_page = &Apache::loncommon::start_page($title,$js);
143: &print_header($r,$start_page,$courseid);
144: $r->print($output);
145: &print_footer($r);
146: return OK;
147: }
148: }
149: $start_page = &Apache::loncommon::start_page($title,$js);
150:
151: my %domconfig =
152: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
153: my ($cancreate,$statustocreate,$emailusername) =
154: &get_creation_controls($domain,$domconfig{'usercreation'});
155: if (@{$cancreate} == 0) {
156: &print_header($r,$start_page,$courseid);
157: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
158: '<span class="LC_warning">'.
159: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).
160: '</span><br /><br />';
161: $r->print($output);
162: &print_footer($r);
163: return OK;
164: }
165:
166: if ($sso_username ne '') {
167: &print_header($r,$start_page,$courseid);
168: my ($msg,$sso_logout);
169: $sso_logout = &sso_logout_frag($r,$domain);
170: if (grep(/^sso$/,@{$cancreate})) {
171: $msg = '<h3>'.&mt('Account creation').'</h3>'.
172: &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 />';
173:
174: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
175: $lonhost,$contact_email,$contact_name,
176: $sso_logout,$statustocreate);
177: } else {
178: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
179: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
180: $sso_logout;
181: }
182: $r->print($msg);
183: &print_footer($r);
184: return OK;
185: }
186:
187: my ($output,$nostart,$noend,$redirect);
188: my $token = $env{'form.token'};
189: if ($token) {
190: ($output,$nostart,$noend,$redirect) =
191: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
192: $domdesc,$lonhost,$include,$start_page,$cancreate,
193: $domconfig{'usercreation'});
194: if ($redirect) {
195: $r->internal_redirect('/adm/switchserver');
196: return OK;
197: } elsif ($nostart) {
198: if ($noend) {
199: return OK;
200: } else {
201: $r->print($output);
202: &print_footer($r);
203: return OK;
204: }
205: } else {
206: &print_header($r,$start_page,$courseid);
207: $r->print($output);
208: &print_footer($r);
209: return OK;
210: }
211: }
212:
213: if ($env{'form.phase'} eq 'username_activation') {
214: (my $result,$output,$nostart) =
215: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
216: $courseid);
217: if ($result eq 'redirect') {
218: $r->internal_redirect('/adm/switchserver');
219: return OK;
220: } elsif ($result eq 'ok') {
221: if ($nostart) {
222: return OK;
223: }
224: }
225: &print_header($r,$start_page,$courseid);
226: $r->print($output);
227: &print_footer($r);
228: return OK;
229: } elsif ($env{'form.phase'} eq 'username_validation') {
230: (my $result,$output) =
231: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
232: $contact_name,$contact_email,$courseid,
233: $lonhost,$statustocreate);
234: if ($result eq 'existingaccount') {
235: $r->print($output);
236: &print_footer($r);
237: return OK;
238: } else {
239: &print_header($r,$start_page,$courseid);
240: }
241: } elsif ($env{'form.create_with_email'}) {
242: &print_header($r,$start_page,$courseid);
243: $output = &process_email_request($env{'form.uname'},$domain,$domdesc,
244: $contact_name,$contact_email,$cancreate,
245: $lonhost,$domconfig{'usercreation'},
246: $emailusername,$courseid);
247: } elsif (!$token) {
248: &print_header($r,$start_page,$courseid);
249: my $now=time;
250: my $gotlondes;
251: if (grep(/^login$/,@{$cancreate})) {
252: if (open(my $jsh,"<$include/londes.js")) {
253: while(my $line = <$jsh>) {
254: $r->print($line);
255: }
256: close($jsh);
257: $r->print(&javascript_setforms($now));
258: $gotlondes = 1;
259: }
260: }
261: if (grep(/^email(|approval)$/,@{$cancreate})) {
262: $r->print(&javascript_validmail());
263: }
264: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
265: $include,$courseid,$gotlondes,$emailusername);
266: }
267: $r->print($output);
268: &print_footer($r);
269: return OK;
270: }
271:
272: sub print_header {
273: my ($r,$start_page,$courseid) = @_;
274: $r->print($start_page);
275: &Apache::lonhtmlcommon::clear_breadcrumbs();
276: if ($courseid ne '') {
277: my %coursehash = &Apache::lonnet::coursedescription($courseid);
278: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
279: }
280: &Apache::lonhtmlcommon::add_breadcrumb
281: ({href=>"/adm/createuser",
282: text=>"New username"});
283: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
284: return;
285: }
286:
287: sub print_footer {
288: my ($r) = @_;
289: if ($env{'form.courseid'} ne '') {
290: $r->print('<form name="backupcrumbs" method="post" action="">'.
291: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
292: 'token','serverid','uname','upass','phase','create_with_email',
293: 'code','crypt','cfirstname','clastname',
294: 'recaptcha_challenge_field','recaptcha_response_field',
295: 'cmiddlename','cgeneration','cpermanentemail','cid']).
296: '</form>');
297: }
298: $r->print(&Apache::loncommon::end_page());
299: }
300:
301: sub selfenroll_crumbs {
302: my ($r,$courseid,$desc) = @_;
303: &Apache::lonhtmlcommon::add_breadcrumb
304: ({href=>"javascript:ToCatalog('backupcrumbs','')",
305: text=>"Course/Community Catalog"});
306: if ($env{'form.coursenum'} ne '') {
307: &Apache::lonhtmlcommon::add_breadcrumb
308: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
309: text=>"Course details"});
310: }
311: my $last_crumb;
312: if ($desc ne '') {
313: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
314: } else {
315: $last_crumb = &mt('Self-enroll');
316: }
317: &Apache::lonhtmlcommon::add_breadcrumb
318: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
319: text=>$last_crumb,
320: no_mt=>"1"});
321: return;
322: }
323:
324: sub javascript_setforms {
325: my ($now,$emailusername,$captcha) = @_;
326: my $setuserinfo;
327: if (ref($emailusername) eq 'HASH') {
328: foreach my $key (sort(keys(%{$emailusername}))) {
329: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
330: }
331: if ($captcha eq 'original') {
332: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
333: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
334: } elsif ($captcha eq 'recaptcha') {
335: $setuserinfo .= ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
336: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
337: }
338: }
339: my $js = <<ENDSCRIPT;
340: <script type="text/javascript">
341: // <![CDATA[
342: function send(one,two,context) {
343: var server;
344: var client;
345: if (document.forms[one]) {
346: server = document.forms[one];
347: if (document.forms[two]) {
348: client = document.forms[two];
349: server.elements.uname.value = client.elements.uname.value;
350: server.elements.udom.value = client.elements.udom.value;
351:
352: uextkey=client.elements.uextkey.value;
353: lextkey=client.elements.lextkey.value;
354: initkeys();
355:
356: server.elements.upass.value
357: = crypted(client.elements.upass$now.value);
358:
359: client.elements.uname.value='';
360: client.elements.upass$now.value='';
361: if (context == 'email') {
362: $setuserinfo
363: client.elements.upasscheck$now.value='';
364: }
365: server.submit();
366: }
367: }
368: return false;
369: }
370: // ]]>
371: </script>
372: ENDSCRIPT
373: return $js;
374: }
375:
376: sub javascript_checkpass {
377: my ($now,$context) = @_;
378: my $nopass = &mt('You must enter a password.');
379: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
380: &mt('Please try again.');
381: my $js = <<"ENDSCRIPT";
382: <script type="text/javascript">
383: // <![CDATA[
384: function checkpass(one,two) {
385: var client;
386: if (document.forms[two]) {
387: client = document.forms[two];
388: var upass = client.elements.upass$now.value;
389: var upasscheck = client.elements.upasscheck$now.value;
390: if (upass == '') {
391: alert("$nopass");
392: return false;
393: }
394: if (upass == upasscheck) {
395: client.elements.upasscheck$now.value='';
396: if (validate_email(client)) {
397: send(one,two,'$context');
398: }
399: return false;
400: } else {
401: alert("$mismatchpass");
402: return false;
403: }
404: }
405: return false;
406: }
407: // ]]>
408: </script>
409: ENDSCRIPT
410: return $js;
411: }
412:
413: sub javascript_validmail {
414: my %lt = &Apache::lonlocal::texthash (
415: email => 'The e-mail address you entered',
416: notv => 'is not a valid e-mail address',
417: );
418: my $output = "\n".'<script type="text/javascript">'."\n".
419: '// <![CDATA['."\n".
420: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
421: $output .= <<"ENDSCRIPT";
422: function validate_email(client) {
423: field = client.uname;
424: if (validmail(field) == false) {
425: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
426: return false;
427: }
428: return true;
429: }
430: ENDSCRIPT
431: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
432: return $output;
433: }
434:
435: sub print_username_form {
436: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$gotlondes,$emailusername) = @_;
437: my %lt = &Apache::lonlocal::texthash (
438: unam => 'username',
439: udom => 'domain',
440: uemail => 'E-mail address in LON-CAPA',
441: proc => 'Proceed',
442: crac => 'Create account with a username provided by this institution',
443: clca => 'Create LON-CAPA account',
444: type => 'Type in your log-in ID and password to find out.',
445: plse => 'Please provide a password for your new account.',
446: info => 'Please provide user information and a password for your new account.',
447: yopw => 'Your password will be encrypted when sent (and stored).',
448: );
449: my $output;
450: if (ref($cancreate) eq 'ARRAY') {
451: if (grep(/^login$/,@{$cancreate})) {
452: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
453: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
454: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
455: $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 />').
456: '<br /><br />'.
457: $lt{'type'}.
458: '<br /><br />';
459: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
460: $domain,'createaccount').'</div>';
461: }
462: }
463: if (grep(/^email(|approval)$/,@{$cancreate})) {
464: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
465: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
466: if ($error) {
467: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
468: if ($courseid ne '') {
469: $helpdesk .= '&courseid='.$courseid;
470: }
471: $output .= '<span class="LC_error">'.
472: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
473: '</span><br /><br />'.
474: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
475: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
476: } else {
477: if (grep(/^login$/,@{$cancreate})) {
478: $output .= &mt('If you do not have a log-in ID at your institution, [_1]provide your e-mail address to request a LON-CAPA account.','<br />').'<br /><br />'.
479: $lt{'plse'}.'<br />'.
480: $lt{'yopw'}.'<br />';
481: } else {
482: my $prompt = $lt{'plse'};
483: if (ref($emailusername) eq 'HASH') {
484: foreach my $key (keys(%{$emailusername})) {
485: if ($emailusername->{$key}) {
486: $prompt = $lt{'info'};
487: last;
488: }
489: }
490: }
491: $output .= $prompt.'<br />'.
492: $lt{'yopw'}.'<br />';
493: }
494: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
495: $courseid,$gotlondes,$emailusername,$captcha);
496: }
497: $output .= '</div>';
498: }
499: }
500: if ($output eq '') {
501: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
502: } else {
503: $output .= '<div class="LC_clear_float_footer"></div>';
504: }
505: return $output;
506: }
507:
508: sub login_box {
509: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
510: my $output;
511: my %titles = &Apache::lonlocal::texthash(
512: createaccount => 'Log-in ID',
513: selfenroll => 'Username',
514: );
515: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
516: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
517: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
518: $lonhost);
519: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
520: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
521: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
522: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
523: &Apache::lonhtmlcommon::start_pick_box()."\n".
524: &Apache::lonhtmlcommon::row_title($titles{$context},
525: 'LC_pick_box_title')."\n".
526: $unameform."\n".
527: &Apache::lonhtmlcommon::row_closure(1)."\n".
528: &Apache::lonhtmlcommon::row_title(&mt('Password'),
529: 'LC_pick_box_title')."\n".
530: $upassform;
531: if ($context eq 'selfenroll') {
532: my $udomform = '<input type="text" name="udom" size="10" value="'.
533: $domain.'" />';
534: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
535: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
536: 'LC_pick_box_title')."\n".
537: $udomform."\n";
538: } else {
539: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
540: }
541: $output .= &Apache::lonhtmlcommon::row_closure(1).
542: &Apache::lonhtmlcommon::row_title().
543: '<br /><input type="submit" name="username_validation" value="'.
544: $submit_text.'" />'."\n";
545: if ($context eq 'selfenroll') {
546: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
547: '<span class="LC_fontsize_medium">'.
548: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
549: '</span></td></tr></table>'."\n";
550: }
551: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
552: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
553: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
554: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
555: '</form>';
556: return $output;
557: }
558:
559: sub process_email_request {
560: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
561: $server,$settings,$emailusername,$courseid) = @_;
562: my $output;
563: if (ref($cancreate) eq 'ARRAY') {
564: if (!grep(/^email(|approval)$/,@{$cancreate})) {
565: $output = &invalid_state('noemails',$domdesc,
566: $contact_name,$contact_email);
567: return $output;
568: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
569: $output = &invalid_state('baduseremail',$domdesc,
570: $contact_name,$contact_email);
571: return $output;
572: } else {
573: $useremail =~ s/^\s+|\s+$//g;
574: my $uname=&LONCAPA::clean_username($useremail);
575: if ($useremail ne $uname) {
576: $output = &invalid_state('badusername',$domdesc,
577: $contact_name,$contact_email);
578: return $output;
579: }
580: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
581: if ($uhome ne 'no_host') {
582: $output = &invalid_state('existinguser',$domdesc,
583: $contact_name,$contact_email);
584: return $output;
585: } else {
586: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
587: if ($captcha_chk != 1) {
588: $output = &invalid_state('captcha',$domdesc,$contact_name,
589: $contact_email,$captcha_error);
590: return $output;
591: }
592: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
593: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
594: \%inst_results,\%curr_rules,\%got_rules,'username');
595: if (ref($alerts{'username'}) eq 'HASH') {
596: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
597: if ($alerts{'username'}{$domain}{$useremail}) {
598: $output = &invalid_state('userrules',$domdesc,
599: $contact_name,$contact_email);
600: return $output;
601: }
602: }
603: }
604: my $format_msg =
605: &guest_format_check($useremail,$domain,$cancreate,
606: $settings);
607: if ($format_msg) {
608: $output = &invalid_state('userformat',$domdesc,$contact_name,
609: $contact_email,$format_msg);
610: return $output;
611: }
612: }
613: }
614: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
615: $contact_email,$courseid,$emailusername);
616: }
617: return $output;
618: }
619:
620: sub call_rulecheck {
621: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
622: $got_rules,$tocheck) = @_;
623: my ($checkhash,$checks);
624: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
625: if ($tocheck eq 'username') {
626: $checks = { 'username' => 1 };
627: }
628: &Apache::loncommon::user_rule_check($checkhash,$checks,
629: $alerts,$rulematch,$inst_results,$curr_rules,
630: $got_rules);
631: return;
632: }
633:
634: sub send_token {
635: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername) = @_;
636: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
637: &mt('Thank you for your request to create a new LON-CAPA account.').
638: '<br /><br />';
639: my $now = time;
640: $env{'form.logtoken'} =~ s/(`)//g;
641: if ($env{'form.logtoken'}) {
642: my $logtoken = $env{'form.logtoken'};
643: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
644: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
645: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
646: .'<br />'.&mt('Return to the previous page to try again.');
647: } else {
648: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
649: unless ($reply eq 'ok') {
650: $msg .= &mt('Request could not be processed.');
651: }
652: }
653: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
654: 'time' => $now,
655: 'domain' => $domain,
656: 'username' => $email,
657: 'courseid' => $courseid,
658: 'upass' => $env{'form.upass'},
659: 'serverid' => $env{'form.serverid'},
660: 'tmpinfo' => $tmpinfo);
661:
662: if (ref($emailusername) eq 'HASH') {
663: foreach my $item (keys(%{$emailusername})) {
664: $info{$item} = $env{'form.'.$item};
665: $info{$item} =~ s/(`)//g;
666: }
667: }
668: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
669: if ($token !~ /^error/ && $token ne 'no_such_host') {
670: my $esc_token = &escape($token);
671: my $showtime = localtime(time);
672: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
673: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
674: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
675: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
676: $contact_email);
677: if ($result eq 'ok') {
678: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
679: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
680: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
681: } else {
682: $msg .= '<span class="LC_error">'.
683: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
684: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
685: }
686: } else {
687: $msg .= '<span class="LC_error">'.
688: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
689: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
690: }
691: } else {
692: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
693: .'<br />'.&mt('Return to the previous page to try again.');
694:
695: }
696: return $msg;
697: }
698:
699: sub process_mailtoken {
700: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
701: $include,$start_page,$cancreate,$settings) = @_;
702: my ($msg,$nostart,$noend,$redirect);
703: my %data = &Apache::lonnet::tmpget($token);
704: my $now = time;
705: if (keys(%data) == 0) {
706: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
707: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
708: .' '.&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.',
709: '<a href="/adm/createaccount">','</a>');
710: return $msg;
711: }
712: if (($data{'time'} =~ /^\d+$/) &&
713: ($data{'domain'} ne '') &&
714: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
715: if ($now - $data{'time'} < 7200) {
716: # Check if request should be queued.
717: if (ref($cancreate) eq 'ARRAY') {
718: if (grep(/^email$/,@{$cancreate})) {
719: my ($result,$output,$uhome) =
720: &create_account($r,$domain,$domdesc,\%data);
721: if ($result eq 'ok') {
722: $msg = $output;
723: my $shownow = &Apache::lonlocal::locallocaltime($now);
724: 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";
725: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
726: $mailmsg,$contact_name,
727: $contact_email);
728: if ($mailresult eq 'ok') {
729: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
730: } else {
731: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
732: }
733: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
734: $data{'courseid'},$token);
735: $nostart = 1;
736: $noend = 1;
737: } else {
738: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
739: .'<br />'.$output;
740: if (($contact_name ne '') && ($contact_email ne '')) {
741: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
742: }
743: }
744: my $delete = &Apache::lonnet::tmpdel($token);
745: } elsif (grep(/^emailapproval$/,@{$cancreate})) {
746: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
747: my $delete = &Apache::lonnet::tmpdel($token);
748: } else {
749: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
750: }
751: } else {
752: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
753: }
754: } else {
755: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
756: .' '.&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>');
757: }
758: } else {
759: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
760: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
761: }
762: return ($msg,$nostart,$noend,$redirect);
763: }
764:
765: sub start_session {
766: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
767:
768: if ($r->dir_config('lonBalancer') eq 'yes') {
769: Apache::lonauth::success($r, $username, $domain, $uhome,
770: 'noredirect', undef, {});
771:
772: Apache::lonnet::tmpdel($token) if $token;
773:
774: return 'redirect';
775: } else {
776: $courseid = Apache::lonnet::is_course($courseid);
777:
778: Apache::lonauth::success($r, $username, $domain, $uhome,
779: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
780: undef, {});
781: }
782:
783: return;
784: }
785:
786: #
787: # The screen that the user gets to create his or her account
788: # Desired username, desired password, etc
789: # Stores token to store DES-key and stage during creation session
790: #
791: sub print_dataentry_form {
792: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$gotlondes,$emailusername,$captcha) = @_;
793: my ($error,$output);
794: unless ($gotlondes) {
795: if (open(my $jsh,"<$include/londes.js")) {
796: while(my $line = <$jsh>) {
797: $r->print($line);
798: }
799: close($jsh);
800: $output = &javascript_setforms($now,$emailusername,$captcha)."\n";
801: $gotlondes = 1;
802: }
803: }
804: if ($gotlondes) {
805: $output .= &javascript_checkpass($now,'email');
806: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
807: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
808: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
809: $lonhost);
810: $output .=
811: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
812: if ($courseid ne '') {
813: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
814: }
815: if (ref($emailusername) eq 'HASH') {
816: foreach my $field (sort(keys(%{$emailusername}))) {
817: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
818: }
819: }
820: if ($captcha eq 'original') {
821: $output .= '
822: <input type="hidden" name="crypt" value="" />
823: <input type="hidden" name="code" value="" />
824: ';
825: } elsif ($captcha eq 'recaptcha') {
826: $output .= '
827: <input type="hidden" name="recaptcha_challenge_field" value="" />
828: <input type="hidden" name="recaptcha_response_field" value="" />
829: ';
830: }
831: $output .= <<"ENDSERVERFORM";
832: <input type="hidden" name="logtoken" value="$logtoken" />
833: <input type="hidden" name="serverid" value="$lonhost" />
834: <input type="hidden" name="uname" value="" />
835: <input type="hidden" name="upass" value="" />
836: <input type="hidden" name="udom" value="" />
837: <input type="hidden" name="phase" value="createaccount" />
838: <input type="hidden" name="create_with_email" value="1" />
839: </form>
840: ENDSERVERFORM
841: my $beginclientform = '<form name="newemail" method="post" action="" '.
842: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
843: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
844: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
845: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
846: '</form>';
847: my ($datatable,$rowcount) =
848: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
849: '','',$now,$captchaform,
850: $emailusername);
851: if ($rowcount) {
852: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
853: } else {
854: $output .= $beginclientform.$endclientform;
855: }
856: if ($rowcount) {
857: $output .= '</div>'."\n".
858: '<div class="LC_clear_float_footer"></div>'."\n";
859: }
860: } else {
861: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
862: }
863: return $output;
864: }
865:
866: #
867: # Retrieve rules for generating accounts from domain configuration
868: # Can the user make a new account or just self-enroll?
869:
870: sub get_creation_controls {
871: my ($domain,$usercreation) = @_;
872: my (@cancreate,@statustocreate,$emailusername);
873: if (ref($usercreation) eq 'HASH') {
874: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
875: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
876: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
877: if (@statustocreate == 0) {
878: my ($othertitle,$usertypes,$types) =
879: &Apache::loncommon::sorted_inst_types($domain);
880: if (ref($types) eq 'ARRAY') {
881: if (@{$types} == 0) {
882: @statustocreate = ('default');
883: }
884: } else {
885: @statustocreate = ('default');
886: }
887: }
888: } else {
889: @statustocreate = ('default');
890: my ($othertitle,$usertypes,$types) =
891: &Apache::loncommon::sorted_inst_types($domain);
892: if (ref($types) eq 'ARRAY') {
893: push(@statustocreate,@{$types});
894: }
895: }
896: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
897: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
898: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
899: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
900: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
901: }
902: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
903: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
904: } else {
905: $emailusername = {'lastname' => '1', 'firstname' => 1, };
906: }
907: }
908: }
909: return (\@cancreate,\@statustocreate,$emailusername);
910: }
911:
912: sub create_account {
913: my ($r,$domain,$domdesc,$dataref) = @_;
914: my $error = '<span class="LC_error">'.&mt('Error:').' ';
915: my $end = '</span><br /><br />';
916: my $rtnlink = '<a href="javascript:history.back();">'.
917: &mt('Return to previous page').'</a>'.
918: &Apache::loncommon::end_page();
919: my $output;
920: if (ref($dataref) eq 'HASH') {
921: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
922: $generation);
923: $username = $dataref->{'username'};
924: $encpass = $dataref->{'upass'};
925: $serverid = $dataref->{'serverid'};
926: $courseid = $dataref->{'courseid'};
927: $id = $dataref->{'id'};
928: $firstname = $dataref->{'firstname'};
929: $middlename = $dataref->{'middlename'};
930: $lastname = $dataref->{'lastname'};
931: $generation = $dataref->{'generation'};
932:
933: my $currhome = &Apache::lonnet::homeserver($username,$domain);
934: unless ($currhome eq 'no_host') {
935: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
936: return ('fail',$error.$output.$end.$rtnlink);
937: }
938:
939: # Split the logtoken to retrieve the DES key and decrypt the encypted password
940:
941: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
942: if ($caller eq 'createaccount') {
943: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
944:
945: # See if we are allowed to use the proposed student/employee ID,
946: # as per domain rules; if not, student/employee will be left blank.
947:
948: if ($id ne '') {
949: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
950: if ($result eq 'fail') {
951: $output = $error.&mt('Invalid ID format').$end.
952: $userchkmsg;
953: undef($id);
954: }
955: }
956:
957: # Create an internally authenticated account with password $upass
958: # if the user account does not already exist.
959: # Assign student/employee id, first name, last name, etc.
960:
961: my $result =
962: &Apache::lonnet::modifyuser($domain,$username,$id,
963: 'internal',$upass,$firstname,$middlename,
964: $lastname,$generation,undef,undef,$username);
965: $output = &mt('Generating user: [_1]',$result);
966:
967: # Now that the user account exists, retrieve the homeserver, and include it in the output.
968:
969: my $uhome = &Apache::lonnet::homeserver($username,$domain);
970: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
971: &Apache::lonnet::hostname($uhome).'<br /><br />';
972: return ('ok',$output,$uhome);
973: } else {
974: $output = &mt('Unable to retrieve your account creation information - unexpected context');
975: undef($encpass);
976: return ('fail',$error.$output.$end.$rtnlink);
977: }
978: } else {
979: $output = &mt('Unable to retrieve information for your account request.');
980: return ('fail',$error.$output.$end.$rtnlink);
981: }
982: }
983:
984: sub username_validation {
985: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
986: $lonhost,$statustocreate) = @_;
987: # $r: request object
988: # $username,$domain: for the user who needs to be validated
989: # $domdesc: full name of the domain (for error messages)
990: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
991: # $courseid: ID of the course if user came to username_validation via self-enroll link,
992: # passed to start_session()
993: # $lonhost: LON-CAPA lonHostID
994: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
995:
996: #
997: # Sanitize incoming username and domain
998: #
999: $username= &LONCAPA::clean_username($username);
1000: $domain = &LONCAPA::clean_domain($domain);
1001:
1002: #
1003: # Check if LON-CAPA account already exists for $username:$domain
1004: #
1005: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1006:
1007: my $output;
1008:
1009: # Retrieve DES key from server using logtoken
1010:
1011: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1012: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1013: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1014: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1015: return ('fail',$output);
1016: } else {
1017: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1018: unless ($reply eq 'ok') {
1019: $output = &mt('Session could not be opened.');
1020: return ('fail',$output);
1021: }
1022: }
1023:
1024: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1025:
1026: my ($key,$caller)=split(/&/,$tmpinfo);
1027: my $upass;
1028: if ($caller eq 'createaccount') {
1029: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1030: } else {
1031: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1032: return ('fail',$output);
1033: }
1034: if ($uhome ne 'no_host') {
1035: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1036: if ($result ne 'no_host') {
1037: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1038: if ($redirect) {
1039: return ($redirect);
1040: }
1041: $output = '<br /><br />'.
1042: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1043: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1044: &mt('The password entered was also correct so you have been logged in.');
1045: return ('existingaccount',$output);
1046: } else {
1047: $output = &login_failure_msg($courseid);
1048: }
1049: } else {
1050: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1051: my $authok;
1052: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1053: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1054: ($domdefaults{'auth_def'} eq 'localauth')) {
1055: my $checkdefauth = 1;
1056: $authok =
1057: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1058: } else {
1059: $authok = 'non_authorized';
1060: }
1061: if ($authok eq 'authorized') {
1062: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1063: $contact_email,$contact_name,undef,
1064: $statustocreate);
1065: } else {
1066: $output = &login_failure_msg($courseid);
1067: }
1068: }
1069: return ('ok',$output);
1070: }
1071:
1072: sub login_failure_msg {
1073: my ($courseid) = @_;
1074: my $url;
1075: if ($courseid ne '') {
1076: $url = "/adm/selfenroll?courseid=".$courseid;
1077: } else {
1078: $url = "/adm/createaccount";
1079: }
1080: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1081: &mt('Username and/or password could not be authenticated.').
1082: '</div>'.
1083: &mt('Please check the username and password.').'<br /><br />';
1084: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1085: return $output;
1086: }
1087:
1088: sub username_check {
1089: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1090: $contact_name,$sso_logout,$statustocreate) = @_;
1091: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1092: %alerts,%curr_rules,%got_rules);
1093: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1094: \%inst_results,\%curr_rules,\%got_rules,'username');
1095: if (ref($alerts{'username'}) eq 'HASH') {
1096: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1097: if ($alerts{'username'}{$domain}{$username}) {
1098: if (ref($curr_rules{$domain}) eq 'HASH') {
1099: $output =
1100: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1101: 'selfcreate').
1102: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1103: $curr_rules{$domain}{'username'},'username');
1104: }
1105: $checkfail = 'username';
1106: }
1107: }
1108: }
1109: if (!$checkfail) {
1110: if (ref($statustocreate) eq 'ARRAY') {
1111: $checkfail = 'inststatus';
1112: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1113: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1114: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1115: undef($checkfail);
1116: last;
1117: }
1118: }
1119: } elsif (grep(/^default$/,@{$statustocreate})) {
1120: undef($checkfail);
1121: }
1122: }
1123: }
1124: if (!$checkfail) {
1125: $output = '<form method="post" action="/adm/createaccount">';
1126: (my $datatable,$rowcount,$editable) =
1127: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1128: $inst_results{$username.':'.$domain});
1129: if ($rowcount > 0) {
1130: $output .= $datatable;
1131: }
1132: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1133: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1134: '<input type="hidden" name="phase" value="username_activation" />';
1135: my $now = time;
1136: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1137: 'time' => $now,
1138: 'domain' => $domain,
1139: 'username' => $username);
1140: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1141: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1142: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1143: } else {
1144: $output = &mt('An error occurred when storing a token').'<br />'.
1145: &mt('You will not be able to proceed to the next stage of account creation').
1146: &linkto_email_help($contact_email,$domdesc);
1147: $checkfail = 'authtoken';
1148: }
1149: }
1150: if ($checkfail) {
1151: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1152: if ($checkfail eq 'username') {
1153: $msg .= '<span class="LC_warning">'.
1154: &mt('A LON-CAPA account may not be created with the username you use.').
1155: '</span><br /><br />'.$output;
1156: } elsif ($checkfail eq 'authtoken') {
1157: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1158: '<br />'.$output;
1159: } elsif ($checkfail eq 'inststatus') {
1160: $msg .= '<span class="LC_warning">'.
1161: &mt('You are not permitted to create a LON-CAPA account.').
1162: '</span><br /><br />'.$output;
1163: }
1164: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1165: $contact_name,$contact_email).'<br /><hr />'.
1166: $sso_logout;
1167: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1168: } else {
1169: if ($courseid ne '') {
1170: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1171: }
1172: $output .= '<input type="submit" name="newaccount" value="'.
1173: &mt('Create LON-CAPA account').'" /></form>';
1174: if ($rowcount) {
1175: if ($editable) {
1176: if ($courseid ne '') {
1177: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1178: }
1179: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1180: } else {
1181: if ($courseid ne '') {
1182: $msg = '<h4>'.&mt('Review user information').'</h4>';
1183: }
1184: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1185: }
1186: } else {
1187: if ($courseid ne '') {
1188: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1189: }
1190: $msg .= &mt('Confirm that you wish to create an account.');
1191: }
1192: $msg .= $output;
1193: }
1194: return $msg;
1195: }
1196:
1197: sub username_activation {
1198: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1199: my $output;
1200: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1201: my $end = '</span><br /><br />';
1202: my $rtnlink = '<a href="javascript:history.back();">'.
1203: &mt('Return to previous page').'</a>'.
1204: &Apache::loncommon::end_page();
1205: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1206: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1207: my $now = time;
1208: my $earlyout;
1209: my $timeout = 300;
1210: if (keys(%data) == 0) {
1211: $output = &mt('Sorry, your authentication has expired.');
1212: $earlyout = 'fail';
1213: }
1214: if (($data{'time'} !~ /^\d+$/) ||
1215: ($data{'domain'} ne $domain) ||
1216: ($data{'username'} ne $username)) {
1217: $earlyout = 'fail';
1218: $output = &mt('The credentials you provided could not be verified.');
1219: } elsif ($now - $data{'time'} > $timeout) {
1220: $earlyout = 'fail';
1221: $output = &mt('Sorry, your authentication has expired.');
1222: }
1223: if ($earlyout ne '') {
1224: my $link = '/adm/createaccount';
1225: if (&Apache::lonnet::domain($domain) ne '') {
1226: $link .= "?domain=$domain";
1227: }
1228: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1229: '<a href="'.$link.'">','</a>');
1230: return($earlyout,$output);
1231: }
1232: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1233: ($domdefaults{'auth_arg_def'} ne '')) ||
1234: ($domdefaults{'auth_def'} eq 'localauth')) {
1235: if ($env{'form.courseid'} ne '') {
1236: my $id = $env{'form.cid'};
1237: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1238: if ($result eq 'fail') {
1239: $output = $error.&mt('Invalid ID format').$end.
1240: $userchkmsg.$rtnlink;
1241: return ('fail',$output);
1242: }
1243: }
1244: # Call modifyuser
1245: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1246: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1247: \%inst_results,\%curr_rules,\%got_rules);
1248: my @userinfo = ('firstname','middlename','lastname','generation',
1249: 'permanentemail','id');
1250: my %canmodify =
1251: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1252: \@userinfo,\%inst_results);
1253: foreach my $item (@userinfo) {
1254: if ($canmodify{$item}) {
1255: $info{$item} = $env{'form.c'.$item};
1256: } else {
1257: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1258: }
1259: }
1260: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1261: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1262: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1263: }
1264: my $result =
1265: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1266: $domdefaults{'auth_def'},
1267: $domdefaults{'auth_arg_def'},$info{'firstname'},
1268: $info{'middlename'},$info{'lastname'},
1269: $info{'generation'},undef,undef,
1270: $info{'permanentemail'},$info{'inststatus'});
1271: if ($result eq 'ok') {
1272: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1273: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1274: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1275: my $nostart = 1;
1276: my $response = 'ok';
1277: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1278: if ($redirect) {
1279: $response = $redirect;
1280: }
1281: return ($response,$output,$nostart);
1282: } else {
1283: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1284: return ('fail',$output);
1285: }
1286: } else {
1287: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1288: return('fail',$output);
1289: }
1290: }
1291:
1292: sub check_id {
1293: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1294: # Check student/employee ID format
1295: # Is proposed student/employee ID acceptable according to domain's rules.
1296: # $domdesc is just used for user error messages
1297: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1298: my %checks = ('id' => 1);
1299: %{$checkhash{$username.':'.$domain}} = (
1300: 'newuser' => 1,
1301: 'id' => $id,
1302: );
1303: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1304: \%rulematch,\%inst_results,\%curr_rules);
1305: if (ref($alerts{'id'}) eq 'HASH') {
1306: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1307: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1308: my $userchkmsg;
1309: if (ref($curr_rules{$domain}) eq 'HASH') {
1310: if ($usernametype eq 'email') {
1311: $userchkmsg = &mt('A student/employee ID has not been set because the value suggested matched the format used for institutional users in the domain, and you are using an e-mail address as username, not an institutional username.');
1312: } else {
1313: $userchkmsg =
1314: &Apache::loncommon::instrule_disallow_msg('id',
1315: $domdesc,1).
1316: &Apache::loncommon::user_rule_formats($domain,
1317: $domdesc,$curr_rules{$domain}{'id'},'id');
1318: }
1319: }
1320: return ('fail',$userchkmsg);
1321: }
1322: }
1323: }
1324: return;
1325: }
1326:
1327: sub invalid_state {
1328: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1329: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1330: if ($error eq 'baduseremail') {
1331: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1332: } elsif ($error eq 'badusername') {
1333: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1334: } elsif ($error eq 'existinguser') {
1335: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1336: } elsif ($error eq 'userrules') {
1337: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1338: } elsif ($error eq 'userformat') {
1339: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1340: } elsif ($error eq 'captcha') {
1341: $msg .= &mt('Validation of the code you entered failed.');
1342: } elsif ($error eq 'noemails') {
1343: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1344: }
1345: $msg .= '</span>';
1346: if ($msgtext) {
1347: $msg .= '<br />'.$msgtext;
1348: }
1349: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1350: return $msg;
1351: }
1352:
1353: sub linkto_email_help {
1354: my ($contact_email,$domdesc,$error) = @_;
1355: my $msg;
1356: my $href = '/adm/helpdesk';
1357: if ($contact_email ne '') {
1358: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1359: $href .= '?origurl='.$escuri;
1360: if ($error eq 'existinguser') {
1361: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1362: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1363: }
1364: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1365: } else {
1366: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1367: }
1368: return $msg;
1369: }
1370:
1371: sub getkeys {
1372: my ($lkey,$ukey) = @_;
1373: my $lextkey=hex($lkey);
1374: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1375:
1376: my $uextkey=hex($ukey);
1377: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1378: return ($lextkey,$uextkey);
1379: }
1380:
1381: sub serverform {
1382: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1383: my $phase = 'username_validation';
1384: my $catalog_elements;
1385: if ($context eq 'selfenroll') {
1386: $phase = 'selfenroll_login';
1387: }
1388: if ($courseid ne '') {
1389: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1390: }
1391: my $output = <<ENDSERVERFORM;
1392: <form name="server" method="post" action="/adm/createaccount">
1393: <input type="hidden" name="logtoken" value="$logtoken" />
1394: <input type="hidden" name="token" value="$mailtoken" />
1395: <input type="hidden" name="serverid" value="$lonhost" />
1396: <input type="hidden" name="uname" value="" />
1397: <input type="hidden" name="upass" value="" />
1398: <input type="hidden" name="udom" value="" />
1399: <input type="hidden" name="phase" value="$phase" />
1400: <input type="hidden" name="courseid" value="$courseid" />
1401: $catalog_elements
1402: </form>
1403: ENDSERVERFORM
1404: return $output;
1405: }
1406:
1407: sub store_request {
1408: my ($dom,$username,$val,$dataref,$settings) = @_;
1409: my $output;
1410: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1411: my $key = &escape($username);
1412: my $now = time();
1413: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1414: $dom,$domconfiguser) eq 'ok') {
1415: if (ref($dataref) eq 'HASH') {
1416: my $logtoken = $dataref->{'tmpinfo'};
1417: my $serverid = $dataref->{'serverid'};
1418: if ($logtoken && $serverid) {
1419: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1420: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1421: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1422: if ($reply eq 'ok') {
1423: my ($key,$caller)=split(/&/,$tmpinfo);
1424: $dataref->{'key'} = $key;
1425: undef($dataref->{'tmpinfo'});
1426: undef($dataref->{'serverid'});
1427: }
1428: }
1429: }
1430: }
1431: my %userrequest = ( $username => $dataref );
1432: $userrequest{$username}{timestamp} = $now;
1433: $userrequest{$username}{status} = $val;
1434: my $notifylist;
1435: if (ref($settings) eq 'HASH') {
1436: if (ref($settings->{'cancreate'}) eq 'HASH') {
1437: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1438: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1439: if ($notifylist) {
1440: my $sender = $domconfiguser.':'.$dom;
1441: my $domdesc = &Apache::lonnet::domain($dom,'description');
1442: my $fullname;
1443: if (ref($dataref) eq 'HASH') {
1444: if ($dataref->{'firstname'}) {
1445: $fullname = $dataref->{'firstname'};
1446: }
1447: if ($dataref->{'lastname'}) {
1448: $fullname .= ' '.$dataref->{'lastname'};
1449: }
1450: $fullname =~ s/^\s+|\s+$//g;
1451: }
1452: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1453: "$fullname ($username)",
1454: undef,$domdesc,$now,'usernamereq',$sender);
1455: }
1456: }
1457: }
1458: }
1459: my $userresult =
1460: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1461: $output = '<p class="LC_info">'.
1462: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1463: '</p>'.
1464: '<p class="LC_info">'.
1465: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1466: '</p>';
1467: } else {
1468: $output = '<span class="LC_error">'.
1469: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1470: '</span>';
1471: }
1472: return $output;
1473: }
1474:
1475: sub guest_format_check {
1476: my ($useremail,$domain,$cancreate,$settings) = @_;
1477: my ($login,$format_match,$format_msg,@user_rules);
1478: if (ref($settings) eq 'HASH') {
1479: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1480: push(@user_rules,@{$settings->{'email_rule'}});
1481: }
1482: }
1483: if (@user_rules > 0) {
1484: my %rule_check =
1485: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1486: 'selfcreate',\@user_rules);
1487: if (keys(%rule_check) > 0) {
1488: foreach my $item (keys(%rule_check)) {
1489: if ($rule_check{$item}) {
1490: $format_match = 1;
1491: last;
1492: }
1493: }
1494: }
1495: }
1496: if ($format_match) {
1497: ($login) = ($useremail =~ /^([^\@]+)\@/);
1498: $format_msg = '<br />'.
1499: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1500: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1501: if (ref($cancreate) eq 'ARRAY') {
1502: if (grep(/^login$/,@{$cancreate})) {
1503: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1504: }
1505: }
1506: }
1507: return $format_msg;
1508: }
1509:
1510: sub sso_logout_frag {
1511: my ($r,$domain) = @_;
1512: my $endsessionmsg;
1513: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1514: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1515: if (-e $msgfile) {
1516: open(my $fh,"<$msgfile");
1517: $endsessionmsg = join('',<$fh>);
1518: close($fh);
1519: }
1520: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1521: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1522: if (-e $msgfile) {
1523: open(my $fh,"<$msgfile");
1524: $endsessionmsg = join('',<$fh>);
1525: close($fh);
1526: }
1527: }
1528: return $endsessionmsg;
1529: }
1530:
1531: sub catreturn_js {
1532: return <<"ENDSCRIPT";
1533: <script type="text/javascript">
1534:
1535: function ToSelfenroll(formname) {
1536: var formidx = getFormByName(formname);
1537: if (formidx > -1) {
1538: document.forms[formidx].action = '/adm/selfenroll';
1539: numidx = getIndexByName(formidx,'phase');
1540: if (numidx > -1) {
1541: document.forms[formidx].elements[numidx].value = '';
1542: }
1543: numidx = getIndexByName(formidx,'context');
1544: if (numidx > -1) {
1545: document.forms[formidx].elements[numidx].value = '';
1546: }
1547: }
1548: document.forms[formidx].submit();
1549: }
1550:
1551: function ToCatalog(formname,caller) {
1552: var formidx = getFormByName(formname);
1553: if (formidx > -1) {
1554: document.forms[formidx].action = '/adm/coursecatalog';
1555: numidx = getIndexByName(formidx,'coursenum');
1556: if (numidx > -1) {
1557: if (caller != 'details') {
1558: document.forms[formidx].elements[numidx].value = '';
1559: }
1560: }
1561: }
1562: document.forms[formidx].submit();
1563: }
1564:
1565: function getIndexByName(formidx,item) {
1566: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1567: if (document.forms[formidx].elements[i].name == item) {
1568: return i;
1569: }
1570: }
1571: return -1;
1572: }
1573:
1574: function getFormByName(item) {
1575: for (var i=0; i<document.forms.length; i++) {
1576: if (document.forms[i].name == item) {
1577: return i;
1578: }
1579: }
1580: return -1;
1581: }
1582:
1583: </script>
1584: ENDSCRIPT
1585:
1586: }
1587:
1588: 1;
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