File:
[LON-CAPA] /
loncom /
interface /
createaccount.pm
Revision
1.64:
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Wed Apr 23 10:11:26 2014 UTC (10 years, 2 months ago) by
raeburn
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- Institutional ststus types can now be defined via domain configuration
web interface by Domain Coordinator -- will supercede use of customized
localenroll::inst_usertypes().
- Self-creation of account with e-mail address as username:
- Domain configuration to set which status types (faculty, staff , student
etc.) can apply to "non-institutional" usernames.
- Processing of username requests can be either automatic or queued for
approval depending on status type (self-reported).
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 1.64 2014/04/23 10:11:26 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','type']);
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: my $usertype = &get_usertype($domain);
191: ($output,$nostart,$noend,$redirect) =
192: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
193: $domdesc,$lonhost,$include,$start_page,$cancreate,
194: $domconfig{'usercreation'},$usertype);
195: if ($redirect) {
196: $r->internal_redirect('/adm/switchserver');
197: return OK;
198: } elsif ($nostart) {
199: if ($noend) {
200: return OK;
201: } else {
202: $r->print($output);
203: &print_footer($r);
204: return OK;
205: }
206: } else {
207: &print_header($r,$start_page,$courseid);
208: $r->print($output);
209: &print_footer($r);
210: return OK;
211: }
212: }
213:
214: if ($env{'form.phase'} eq 'username_activation') {
215: (my $result,$output,$nostart) =
216: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
217: $courseid);
218: if ($result eq 'redirect') {
219: $r->internal_redirect('/adm/switchserver');
220: return OK;
221: } elsif ($result eq 'ok') {
222: if ($nostart) {
223: return OK;
224: }
225: }
226: &print_header($r,$start_page,$courseid);
227: $r->print($output);
228: &print_footer($r);
229: return OK;
230: } elsif ($env{'form.phase'} eq 'username_validation') {
231: (my $result,$output) =
232: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
233: $contact_name,$contact_email,$courseid,
234: $lonhost,$statustocreate);
235: if ($result eq 'existingaccount') {
236: $r->print($output);
237: &print_footer($r);
238: return OK;
239: } else {
240: &print_header($r,$start_page,$courseid);
241: }
242: } elsif ($env{'form.create_with_email'}) {
243: &print_header($r,$start_page,$courseid);
244: my $usertype = &get_usertype($domain);
245: $output = &process_email_request($env{'form.uname'},$domain,$domdesc,
246: $contact_name,$contact_email,$cancreate,
247: $lonhost,$domconfig{'usercreation'},
248: $emailusername,$courseid,$usertype);
249: } elsif (!$token) {
250: &print_header($r,$start_page,$courseid);
251: my $now=time;
252: my $gotlondes;
253: if (grep(/^login$/,@{$cancreate})) {
254: if (open(my $jsh,"<$include/londes.js")) {
255: while(my $line = <$jsh>) {
256: $r->print($line);
257: }
258: close($jsh);
259: $r->print(&javascript_setforms($now));
260: $gotlondes = 1;
261: }
262: }
263: if (grep(/^email$/,@{$cancreate})) {
264: $r->print(&javascript_validmail());
265: }
266: my $usertype = &get_usertype($domain);
267: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
268: $include,$courseid,$gotlondes,$emailusername,
269: $usertype);
270: }
271: $r->print($output);
272: &print_footer($r);
273: return OK;
274: }
275:
276: sub print_header {
277: my ($r,$start_page,$courseid) = @_;
278: $r->print($start_page);
279: &Apache::lonhtmlcommon::clear_breadcrumbs();
280: if ($courseid ne '') {
281: my %coursehash = &Apache::lonnet::coursedescription($courseid);
282: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
283: }
284: &Apache::lonhtmlcommon::add_breadcrumb
285: ({href=>"/adm/createuser",
286: text=>"New username"});
287: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
288: return;
289: }
290:
291: sub print_footer {
292: my ($r) = @_;
293: if ($env{'form.courseid'} ne '') {
294: $r->print('<form name="backupcrumbs" method="post" action="">'.
295: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
296: 'token','serverid','uname','upass','phase','create_with_email',
297: 'code','crypt','cfirstname','clastname',
298: 'recaptcha_challenge_field','recaptcha_response_field',
299: 'cmiddlename','cgeneration','cpermanentemail','cid']).
300: '</form>');
301: }
302: $r->print(&Apache::loncommon::end_page());
303: }
304:
305: sub get_usertype {
306: my ($domain) = @_;
307: my $usertype = 'default';
308: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
309: if (ref($types) eq 'ARRAY') {
310: push(@{$types},'default');
311: my $posstype = $env{'form.type'};
312: $posstype =~ s/^\s+|\s$//g;
313: if (grep(/^\Q$posstype\E$/,@{$types})) {
314: $usertype = $posstype;
315: }
316: }
317: return $usertype;
318: }
319:
320: sub selfenroll_crumbs {
321: my ($r,$courseid,$desc) = @_;
322: &Apache::lonhtmlcommon::add_breadcrumb
323: ({href=>"javascript:ToCatalog('backupcrumbs','')",
324: text=>"Course/Community Catalog"});
325: if ($env{'form.coursenum'} ne '') {
326: &Apache::lonhtmlcommon::add_breadcrumb
327: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
328: text=>"Course details"});
329: }
330: my $last_crumb;
331: if ($desc ne '') {
332: $last_crumb = &mt("Self-enroll in [_1]","'$desc'");
333: } else {
334: $last_crumb = &mt('Self-enroll');
335: }
336: &Apache::lonhtmlcommon::add_breadcrumb
337: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
338: text=>$last_crumb,
339: no_mt=>"1"});
340: return;
341: }
342:
343: sub javascript_setforms {
344: my ($now,$emailusername,$captcha,$usertype) = @_;
345: my ($setuserinfo,@required,$requiredchk);
346: if (ref($emailusername) eq 'HASH') {
347: if (ref($emailusername->{$usertype}) eq 'HASH') {
348: foreach my $key (sort(keys(%{$emailusername->{$usertype}}))) {
349: if ($emailusername->{$usertype}{$key} eq 'required') {
350: push(@required,$key);
351: }
352: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
353: }
354: $setuserinfo .= ' server.elements.type.value=client.elements.type.value;'."\n";
355: }
356: if ($captcha eq 'original') {
357: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
358: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
359: } elsif ($captcha eq 'recaptcha') {
360: $setuserinfo .=
361: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
362: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
363: }
364: }
365: if (@required) {
366: my $missprompt = &mt('One or more required fields are currently blank.');
367: my $reqstr = join("','",@required);
368: $requiredchk = <<"ENDCHK";
369: var requiredfields = new Array('$reqstr');
370: missing = 0;
371: for (var i=0; i<requiredfields.length; i++) {
372: try {
373: eval("client.elements."+requiredfields[i]+".value");
374: }
375: catch(err) {
376: continue;
377: }
378: if (eval("client.elements."+requiredfields[i]+".value") == '') {
379: missing ++;
380: }
381: }
382: if (missing > 0) {
383: alert("$missprompt");
384: return false;
385: }
386:
387: ENDCHK
388: }
389: my $js = <<ENDSCRIPT;
390: <script type="text/javascript">
391: // <![CDATA[
392: function send(one,two,context) {
393: var server;
394: var client;
395: if (document.forms[one]) {
396: server = document.forms[one];
397: if (document.forms[two]) {
398: client = document.forms[two];
399: $requiredchk
400: server.elements.uname.value = client.elements.uname.value;
401: server.elements.udom.value = client.elements.udom.value;
402:
403: uextkey=client.elements.uextkey.value;
404: lextkey=client.elements.lextkey.value;
405: initkeys();
406:
407: server.elements.upass.value
408: = crypted(client.elements.upass$now.value);
409:
410: client.elements.uname.value='';
411: client.elements.upass$now.value='';
412: if (context == 'email') {
413: $setuserinfo
414: client.elements.upasscheck$now.value='';
415: }
416: server.submit();
417: }
418: }
419: return false;
420: }
421: // ]]>
422: </script>
423: ENDSCRIPT
424: return $js;
425: }
426:
427: sub javascript_checkpass {
428: my ($now,$context) = @_;
429: my $nopass = &mt('You must enter a password.');
430: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
431: &mt('Please try again.');
432: my $js = <<"ENDSCRIPT";
433: <script type="text/javascript">
434: // <![CDATA[
435: function checkpass(one,two) {
436: var client;
437: if (document.forms[two]) {
438: client = document.forms[two];
439: var upass = client.elements.upass$now.value;
440: var upasscheck = client.elements.upasscheck$now.value;
441: if (upass == '') {
442: alert("$nopass");
443: return false;
444: }
445: if (upass == upasscheck) {
446: client.elements.upasscheck$now.value='';
447: if (validate_email(client)) {
448: send(one,two,'$context');
449: }
450: return false;
451: } else {
452: alert("$mismatchpass");
453: return false;
454: }
455: }
456: return false;
457: }
458: // ]]>
459: </script>
460: ENDSCRIPT
461: return $js;
462: }
463:
464: sub javascript_validmail {
465: my %lt = &Apache::lonlocal::texthash (
466: email => 'The e-mail address you entered',
467: notv => 'is not a valid e-mail address',
468: );
469: my $output = "\n".'<script type="text/javascript">'."\n".
470: '// <![CDATA['."\n".
471: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
472: $output .= <<"ENDSCRIPT";
473: function validate_email(client) {
474: field = client.uname;
475: if (validmail(field) == false) {
476: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
477: return false;
478: }
479: return true;
480: }
481: ENDSCRIPT
482: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
483: return $output;
484: }
485:
486: sub print_username_form {
487: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$gotlondes,$emailusername,
488: $usertype) = @_;
489: my %lt = &Apache::lonlocal::texthash (
490: unam => 'username',
491: udom => 'domain',
492: uemail => 'E-mail address in LON-CAPA',
493: proc => 'Proceed',
494: crac => 'Create account with a username provided by this institution',
495: clca => 'Create LON-CAPA account',
496: type => 'Type in your log-in ID and password to find out.',
497: plse => 'Please provide a password for your new account.',
498: info => 'Please provide user information and a password for your new account.',
499: yopw => 'Your password will be encrypted when sent (and stored).',
500: );
501: my $output;
502: if (ref($cancreate) eq 'ARRAY') {
503: if (grep(/^login$/,@{$cancreate})) {
504: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
505: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
506: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
507: $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 />').
508: '<br /><br />'.
509: $lt{'type'}.
510: '<br /><br />';
511: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
512: $domain,'createaccount').'</div>';
513: }
514: }
515: if (grep(/^email$/,@{$cancreate})) {
516: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
517: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
518: if ($error) {
519: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
520: if ($courseid ne '') {
521: $helpdesk .= '&courseid='.$courseid;
522: }
523: $output .= '<span class="LC_error">'.
524: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
525: '</span><br /><br />'.
526: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
527: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
528: } else {
529: if (grep(/^login$/,@{$cancreate})) {
530: $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 />'.
531: $lt{'plse'}.'<br />'.
532: $lt{'yopw'}.'<br />';
533: } else {
534: my $prompt = $lt{'plse'};
535: if (ref($emailusername) eq 'HASH') {
536: if (ref($emailusername->{$usertype}) eq 'HASH') {
537: if (keys(%{$emailusername->{$usertype}}) > 0) {
538: $prompt = $lt{'info'};
539: }
540: }
541: }
542: $output .= $prompt.'<br />'.
543: $lt{'yopw'}.'<br />';
544: }
545: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
546: $courseid,$gotlondes,$emailusername,$captcha,
547: $usertype);
548: }
549: $output .= '</div>';
550: }
551: }
552: if ($output eq '') {
553: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
554: } else {
555: $output .= '<div class="LC_clear_float_footer"></div>';
556: }
557: return $output;
558: }
559:
560: sub login_box {
561: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
562: my $output;
563: my %titles = &Apache::lonlocal::texthash(
564: createaccount => 'Log-in ID',
565: selfenroll => 'Username',
566: );
567: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
568: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
569: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
570: $lonhost);
571: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
572: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
573: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
574: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
575: &Apache::lonhtmlcommon::start_pick_box()."\n".
576: &Apache::lonhtmlcommon::row_title($titles{$context},
577: 'LC_pick_box_title')."\n".
578: $unameform."\n".
579: &Apache::lonhtmlcommon::row_closure(1)."\n".
580: &Apache::lonhtmlcommon::row_title(&mt('Password'),
581: 'LC_pick_box_title')."\n".
582: $upassform;
583: if ($context eq 'selfenroll') {
584: my $udomform = '<input type="text" name="udom" size="10" value="'.
585: $domain.'" />';
586: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
587: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
588: 'LC_pick_box_title')."\n".
589: $udomform."\n";
590: } else {
591: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
592: }
593: $output .= &Apache::lonhtmlcommon::row_closure(1).
594: &Apache::lonhtmlcommon::row_title().
595: '<br /><input type="submit" name="username_validation" value="'.
596: $submit_text.'" />'."\n";
597: if ($context eq 'selfenroll') {
598: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
599: '<span class="LC_fontsize_medium">'.
600: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
601: '</span></td></tr></table>'."\n";
602: }
603: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
604: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
605: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
606: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
607: '</form>';
608: return $output;
609: }
610:
611: sub process_email_request {
612: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
613: $server,$settings,$emailusername,$courseid,$usertype) = @_;
614: my $output;
615: if (ref($cancreate) eq 'ARRAY') {
616: if (!grep(/^email$/,@{$cancreate})) {
617: $output = &invalid_state('noemails',$domdesc,
618: $contact_name,$contact_email);
619: return $output;
620: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
621: $output = &invalid_state('baduseremail',$domdesc,
622: $contact_name,$contact_email);
623: return $output;
624: } else {
625: $useremail =~ s/^\s+|\s+$//g;
626: my $uname=&LONCAPA::clean_username($useremail);
627: if ($useremail ne $uname) {
628: $output = &invalid_state('badusername',$domdesc,
629: $contact_name,$contact_email);
630: return $output;
631: }
632: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
633: if ($uhome ne 'no_host') {
634: $output = &invalid_state('existinguser',$domdesc,
635: $contact_name,$contact_email);
636: return $output;
637: } else {
638: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
639: if ($captcha_chk != 1) {
640: $output = &invalid_state('captcha',$domdesc,$contact_name,
641: $contact_email,$captcha_error);
642: return $output;
643: }
644: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
645: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
646: \%inst_results,\%curr_rules,\%got_rules,'username');
647: if (ref($alerts{'username'}) eq 'HASH') {
648: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
649: if ($alerts{'username'}{$domain}{$useremail}) {
650: $output = &invalid_state('userrules',$domdesc,
651: $contact_name,$contact_email);
652: return $output;
653: }
654: }
655: }
656: my $format_msg =
657: &guest_format_check($useremail,$domain,$cancreate,
658: $settings);
659: if ($format_msg) {
660: $output = &invalid_state('userformat',$domdesc,$contact_name,
661: $contact_email,$format_msg);
662: return $output;
663: }
664: }
665: }
666: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
667: $contact_email,$courseid,$emailusername,$usertype);
668: }
669: return $output;
670: }
671:
672: sub call_rulecheck {
673: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
674: $got_rules,$tocheck) = @_;
675: my ($checkhash,$checks);
676: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
677: if ($tocheck eq 'username') {
678: $checks = { 'username' => 1 };
679: }
680: &Apache::loncommon::user_rule_check($checkhash,$checks,
681: $alerts,$rulematch,$inst_results,$curr_rules,
682: $got_rules);
683: return;
684: }
685:
686: sub send_token {
687: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername,
688: $usertype) = @_;
689: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
690: &mt('Thank you for your request to create a new LON-CAPA account.').
691: '<br /><br />';
692: my $now = time;
693: $env{'form.logtoken'} =~ s/(`)//g;
694: if ($env{'form.logtoken'}) {
695: my $logtoken = $env{'form.logtoken'};
696: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
697: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
698: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
699: .'<br />'.&mt('Return to the previous page to try again.');
700: } else {
701: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
702: unless ($reply eq 'ok') {
703: $msg .= &mt('Request could not be processed.');
704: }
705: }
706: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
707: 'time' => $now,
708: 'domain' => $domain,
709: 'username' => $email,
710: 'courseid' => $courseid,
711: 'upass' => $env{'form.upass'},
712: 'serverid' => $env{'form.serverid'},
713: 'tmpinfo' => $tmpinfo);
714:
715: if (ref($emailusername) eq 'HASH') {
716: if (ref($emailusername->{$usertype}) eq 'HASH') {
717: foreach my $item (keys(%{$emailusername->{$usertype}})) {
718: $info{$item} = $env{'form.'.$item};
719: $info{$item} =~ s/(`)//g;
720: }
721: unless ($usertype eq 'default') {
722: $info{'inststatus'} = $usertype;
723: }
724: }
725: }
726: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
727: if ($token !~ /^error/ && $token ne 'no_such_host') {
728: my $esc_token = &escape($token);
729: my $showtime = localtime(time);
730: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
731: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
732: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
733: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
734: $contact_email);
735: if ($result eq 'ok') {
736: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
737: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
738: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
739: } else {
740: $msg .= '<span class="LC_error">'.
741: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
742: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
743: }
744: } else {
745: $msg .= '<span class="LC_error">'.
746: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
747: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
748: }
749: } else {
750: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
751: .'<br />'.&mt('Return to the previous page to try again.');
752:
753: }
754: return $msg;
755: }
756:
757: sub process_mailtoken {
758: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
759: $include,$start_page,$cancreate,$settings,$usertype) = @_;
760: my ($msg,$nostart,$noend,$redirect);
761: my %data = &Apache::lonnet::tmpget($token);
762: my $now = time;
763: if (keys(%data) == 0) {
764: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
765: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
766: .' '.&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.',
767: '<a href="/adm/createaccount">','</a>');
768: return $msg;
769: }
770: if (($data{'time'} =~ /^\d+$/) &&
771: ($data{'domain'} ne '') &&
772: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
773: if ($now - $data{'time'} < 7200) {
774: # Check if request should be queued.
775: if (ref($cancreate) eq 'ARRAY') {
776: my $disposition;
777: if (grep(/^email$/,@{$cancreate})) {
778: if (ref($settings) eq 'HASH') {
779: if (ref($settings->{'cancreate'}) eq 'HASH') {
780: if (ref($settings->{'cancreate'}{'selfcreateprocessing'}) eq 'HASH') {
781: $disposition = $settings->{'cancreate'}{'selfcreateprocessing'}{$usertype};
782: }
783: }
784: }
785: if ($disposition eq 'approval') {
786: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
787: my $delete = &Apache::lonnet::tmpdel($token);
788: } else {
789: my ($result,$output,$uhome) =
790: &create_account($r,$domain,$domdesc,\%data);
791: if ($result eq 'ok') {
792: $msg = $output;
793: my $shownow = &Apache::lonlocal::locallocaltime($now);
794: 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";
795: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
796: $mailmsg,$contact_name,
797: $contact_email);
798: if ($mailresult eq 'ok') {
799: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
800: } else {
801: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
802: }
803: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
804: $data{'courseid'},$token);
805: $nostart = 1;
806: $noend = 1;
807: } else {
808: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
809: .'<br />'.$output;
810: if (($contact_name ne '') && ($contact_email ne '')) {
811: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
812: }
813: }
814: my $delete = &Apache::lonnet::tmpdel($token);
815: }
816: } else {
817: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
818: }
819: } else {
820: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
821: }
822: } else {
823: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
824: .' '.&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>');
825: }
826: } else {
827: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
828: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
829: }
830: return ($msg,$nostart,$noend,$redirect);
831: }
832:
833: sub start_session {
834: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
835:
836: if ($r->dir_config('lonBalancer') eq 'yes') {
837: Apache::lonauth::success($r, $username, $domain, $uhome,
838: 'noredirect', undef, {});
839:
840: Apache::lonnet::tmpdel($token) if $token;
841:
842: return 'redirect';
843: } else {
844: $courseid = Apache::lonnet::is_course($courseid);
845:
846: Apache::lonauth::success($r, $username, $domain, $uhome,
847: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
848: undef, {});
849: }
850:
851: return;
852: }
853:
854: #
855: # The screen that the user gets to create his or her account
856: # Desired username, desired password, etc
857: # Stores token to store DES-key and stage during creation session
858: #
859: sub print_dataentry_form {
860: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$gotlondes,$emailusername,$captcha,
861: $usertype) = @_;
862: my ($error,$output);
863: unless ($gotlondes) {
864: if (open(my $jsh,"<$include/londes.js")) {
865: while(my $line = <$jsh>) {
866: $r->print($line);
867: }
868: close($jsh);
869: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype)."\n";
870: $gotlondes = 1;
871: }
872: }
873: if ($gotlondes) {
874: $output .= &javascript_checkpass($now,'email');
875: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
876: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
877: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
878: $lonhost);
879: $output .=
880: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
881: if ($courseid ne '') {
882: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
883: }
884: if (ref($emailusername) eq 'HASH') {
885: if (ref($emailusername->{$usertype}) eq 'HASH') {
886: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
887: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
888: }
889: $output .= '<input type="hidden" name="type" value="" />'."\n";
890: }
891: }
892: if ($captcha eq 'original') {
893: $output .= '
894: <input type="hidden" name="crypt" value="" />
895: <input type="hidden" name="code" value="" />
896: ';
897: } elsif ($captcha eq 'recaptcha') {
898: $output .= '
899: <input type="hidden" name="recaptcha_challenge_field" value="" />
900: <input type="hidden" name="recaptcha_response_field" value="" />
901: ';
902: }
903: $output .= <<"ENDSERVERFORM";
904: <input type="hidden" name="logtoken" value="$logtoken" />
905: <input type="hidden" name="serverid" value="$lonhost" />
906: <input type="hidden" name="uname" value="" />
907: <input type="hidden" name="upass" value="" />
908: <input type="hidden" name="udom" value="" />
909: <input type="hidden" name="phase" value="createaccount" />
910: <input type="hidden" name="create_with_email" value="1" />
911: </form>
912: ENDSERVERFORM
913: my $beginclientform = '<form name="newemail" method="post" action="" '.
914: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
915: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
916: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
917: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
918: '</form>'."\n".
919: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
920: my ($datatable,$rowcount) =
921: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
922: '','',$now,$captchaform,
923: $emailusername,$usertype);
924: if ($rowcount) {
925: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
926: } else {
927: $output .= $beginclientform.$endclientform;
928: }
929: if ($rowcount) {
930: $output .= '</div>'."\n".
931: '<div class="LC_clear_float_footer"></div>'."\n";
932: }
933: } else {
934: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
935: }
936: return $output;
937: }
938:
939: #
940: # Retrieve rules for generating accounts from domain configuration
941: # Can the user make a new account or just self-enroll?
942:
943: sub get_creation_controls {
944: my ($domain,$usercreation) = @_;
945: my (@cancreate,@statustocreate,$emailusername);
946: if (ref($usercreation) eq 'HASH') {
947: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
948: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
949: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
950: if (@statustocreate == 0) {
951: my ($othertitle,$usertypes,$types) =
952: &Apache::loncommon::sorted_inst_types($domain);
953: if (ref($types) eq 'ARRAY') {
954: if (@{$types} == 0) {
955: @statustocreate = ('default');
956: }
957: } else {
958: @statustocreate = ('default');
959: }
960: }
961: } else {
962: @statustocreate = ('default');
963: my ($othertitle,$usertypes,$types) =
964: &Apache::loncommon::sorted_inst_types($domain);
965: if (ref($types) eq 'ARRAY') {
966: push(@statustocreate,@{$types});
967: }
968: }
969: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
970: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
971: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
972: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
973: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
974: }
975: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
976: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
977: } else {
978: $emailusername = {'lastname' => '1', 'firstname' => 1, };
979: }
980: }
981: }
982: return (\@cancreate,\@statustocreate,$emailusername);
983: }
984:
985: sub create_account {
986: my ($r,$domain,$domdesc,$dataref) = @_;
987: my $error = '<span class="LC_error">'.&mt('Error:').' ';
988: my $end = '</span><br /><br />';
989: my $rtnlink = '<a href="javascript:history.back();">'.
990: &mt('Return to previous page').'</a>'.
991: &Apache::loncommon::end_page();
992: my $output;
993: if (ref($dataref) eq 'HASH') {
994: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
995: $generation,$inststatus);
996: $username = $dataref->{'username'};
997: $encpass = $dataref->{'upass'};
998: $serverid = $dataref->{'serverid'};
999: $courseid = $dataref->{'courseid'};
1000: $id = $dataref->{'id'};
1001: $firstname = $dataref->{'firstname'};
1002: $middlename = $dataref->{'middlename'};
1003: $lastname = $dataref->{'lastname'};
1004: $generation = $dataref->{'generation'};
1005: $inststatus = $dataref->{'inststatus'};
1006:
1007: my $currhome = &Apache::lonnet::homeserver($username,$domain);
1008: unless ($currhome eq 'no_host') {
1009: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
1010: return ('fail',$error.$output.$end.$rtnlink);
1011: }
1012:
1013: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1014:
1015: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1016: if ($caller eq 'createaccount') {
1017: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1018:
1019: # See if we are allowed to use the proposed student/employee ID,
1020: # as per domain rules; if not, student/employee will be left blank.
1021:
1022: if ($id ne '') {
1023: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1024: if ($result eq 'fail') {
1025: $output = $error.&mt('Invalid ID format').$end.
1026: $userchkmsg;
1027: undef($id);
1028: }
1029: }
1030:
1031: # Create an internally authenticated account with password $upass
1032: # if the user account does not already exist.
1033: # Assign student/employee id, first name, last name, etc.
1034:
1035: my $result =
1036: &Apache::lonnet::modifyuser($domain,$username,$id,
1037: 'internal',$upass,$firstname,$middlename,
1038: $lastname,$generation,undef,undef,$username);
1039: $output = &mt('Generating user: [_1]',$result);
1040:
1041: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1042:
1043: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1044: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1045: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1046: }
1047: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1048: &Apache::lonnet::hostname($uhome).'<br /><br />';
1049: return ('ok',$output,$uhome);
1050: } else {
1051: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1052: undef($encpass);
1053: return ('fail',$error.$output.$end.$rtnlink);
1054: }
1055: } else {
1056: $output = &mt('Unable to retrieve information for your account request.');
1057: return ('fail',$error.$output.$end.$rtnlink);
1058: }
1059: }
1060:
1061: sub username_validation {
1062: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1063: $lonhost,$statustocreate) = @_;
1064: # $r: request object
1065: # $username,$domain: for the user who needs to be validated
1066: # $domdesc: full name of the domain (for error messages)
1067: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1068: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1069: # passed to start_session()
1070: # $lonhost: LON-CAPA lonHostID
1071: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1072:
1073: #
1074: # Sanitize incoming username and domain
1075: #
1076: $username= &LONCAPA::clean_username($username);
1077: $domain = &LONCAPA::clean_domain($domain);
1078:
1079: #
1080: # Check if LON-CAPA account already exists for $username:$domain
1081: #
1082: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1083:
1084: my $output;
1085:
1086: # Retrieve DES key from server using logtoken
1087:
1088: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1089: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1090: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1091: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1092: return ('fail',$output);
1093: } else {
1094: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1095: unless ($reply eq 'ok') {
1096: $output = &mt('Session could not be opened.');
1097: return ('fail',$output);
1098: }
1099: }
1100:
1101: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1102:
1103: my ($key,$caller)=split(/&/,$tmpinfo);
1104: my $upass;
1105: if ($caller eq 'createaccount') {
1106: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1107: } else {
1108: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1109: return ('fail',$output);
1110: }
1111: if ($uhome ne 'no_host') {
1112: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1113: if ($result ne 'no_host') {
1114: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1115: if ($redirect) {
1116: return ($redirect);
1117: }
1118: $output = '<br /><br />'.
1119: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1120: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1121: &mt('The password entered was also correct so you have been logged in.');
1122: return ('existingaccount',$output);
1123: } else {
1124: $output = &login_failure_msg($courseid);
1125: }
1126: } else {
1127: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1128: my $authok;
1129: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1130: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1131: ($domdefaults{'auth_def'} eq 'localauth')) {
1132: my $checkdefauth = 1;
1133: $authok =
1134: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1135: } else {
1136: $authok = 'non_authorized';
1137: }
1138: if ($authok eq 'authorized') {
1139: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1140: $contact_email,$contact_name,undef,
1141: $statustocreate);
1142: } else {
1143: $output = &login_failure_msg($courseid);
1144: }
1145: }
1146: return ('ok',$output);
1147: }
1148:
1149: sub login_failure_msg {
1150: my ($courseid) = @_;
1151: my $url;
1152: if ($courseid ne '') {
1153: $url = "/adm/selfenroll?courseid=".$courseid;
1154: } else {
1155: $url = "/adm/createaccount";
1156: }
1157: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1158: &mt('Username and/or password could not be authenticated.').
1159: '</div>'.
1160: &mt('Please check the username and password.').'<br /><br />';
1161: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1162: return $output;
1163: }
1164:
1165: sub username_check {
1166: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1167: $contact_name,$sso_logout,$statustocreate) = @_;
1168: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1169: %alerts,%curr_rules,%got_rules);
1170: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1171: \%inst_results,\%curr_rules,\%got_rules,'username');
1172: if (ref($alerts{'username'}) eq 'HASH') {
1173: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1174: if ($alerts{'username'}{$domain}{$username}) {
1175: if (ref($curr_rules{$domain}) eq 'HASH') {
1176: $output =
1177: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1178: 'selfcreate').
1179: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1180: $curr_rules{$domain}{'username'},'username');
1181: }
1182: $checkfail = 'username';
1183: }
1184: }
1185: }
1186: if (!$checkfail) {
1187: if (ref($statustocreate) eq 'ARRAY') {
1188: $checkfail = 'inststatus';
1189: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1190: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1191: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1192: undef($checkfail);
1193: last;
1194: }
1195: }
1196: } elsif (grep(/^default$/,@{$statustocreate})) {
1197: undef($checkfail);
1198: }
1199: }
1200: }
1201: if (!$checkfail) {
1202: $output = '<form method="post" action="/adm/createaccount">';
1203: (my $datatable,$rowcount,$editable) =
1204: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1205: $inst_results{$username.':'.$domain});
1206: if ($rowcount > 0) {
1207: $output .= $datatable;
1208: }
1209: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1210: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1211: '<input type="hidden" name="phase" value="username_activation" />';
1212: my $now = time;
1213: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1214: 'time' => $now,
1215: 'domain' => $domain,
1216: 'username' => $username);
1217: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1218: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1219: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1220: } else {
1221: $output = &mt('An error occurred when storing a token').'<br />'.
1222: &mt('You will not be able to proceed to the next stage of account creation').
1223: &linkto_email_help($contact_email,$domdesc);
1224: $checkfail = 'authtoken';
1225: }
1226: }
1227: if ($checkfail) {
1228: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1229: if ($checkfail eq 'username') {
1230: $msg .= '<span class="LC_warning">'.
1231: &mt('A LON-CAPA account may not be created with the username you use.').
1232: '</span><br /><br />'.$output;
1233: } elsif ($checkfail eq 'authtoken') {
1234: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1235: '<br />'.$output;
1236: } elsif ($checkfail eq 'inststatus') {
1237: $msg .= '<span class="LC_warning">'.
1238: &mt('You are not permitted to create a LON-CAPA account.').
1239: '</span><br /><br />'.$output;
1240: }
1241: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1242: $contact_name,$contact_email).'<br /><hr />'.
1243: $sso_logout;
1244: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1245: } else {
1246: if ($courseid ne '') {
1247: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1248: }
1249: $output .= '<input type="submit" name="newaccount" value="'.
1250: &mt('Create LON-CAPA account').'" /></form>';
1251: if ($rowcount) {
1252: if ($editable) {
1253: if ($courseid ne '') {
1254: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1255: }
1256: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1257: } else {
1258: if ($courseid ne '') {
1259: $msg = '<h4>'.&mt('Review user information').'</h4>';
1260: }
1261: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1262: }
1263: } else {
1264: if ($courseid ne '') {
1265: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1266: }
1267: $msg .= &mt('Confirm that you wish to create an account.');
1268: }
1269: $msg .= $output;
1270: }
1271: return $msg;
1272: }
1273:
1274: sub username_activation {
1275: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1276: my $output;
1277: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1278: my $end = '</span><br /><br />';
1279: my $rtnlink = '<a href="javascript:history.back();">'.
1280: &mt('Return to previous page').'</a>'.
1281: &Apache::loncommon::end_page();
1282: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1283: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1284: my $now = time;
1285: my $earlyout;
1286: my $timeout = 300;
1287: if (keys(%data) == 0) {
1288: $output = &mt('Sorry, your authentication has expired.');
1289: $earlyout = 'fail';
1290: }
1291: if (($data{'time'} !~ /^\d+$/) ||
1292: ($data{'domain'} ne $domain) ||
1293: ($data{'username'} ne $username)) {
1294: $earlyout = 'fail';
1295: $output = &mt('The credentials you provided could not be verified.');
1296: } elsif ($now - $data{'time'} > $timeout) {
1297: $earlyout = 'fail';
1298: $output = &mt('Sorry, your authentication has expired.');
1299: }
1300: if ($earlyout ne '') {
1301: my $link = '/adm/createaccount';
1302: if (&Apache::lonnet::domain($domain) ne '') {
1303: $link .= "?domain=$domain";
1304: }
1305: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1306: '<a href="'.$link.'">','</a>');
1307: return($earlyout,$output);
1308: }
1309: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1310: ($domdefaults{'auth_arg_def'} ne '')) ||
1311: ($domdefaults{'auth_def'} eq 'localauth')) {
1312: if ($env{'form.courseid'} ne '') {
1313: my $id = $env{'form.cid'};
1314: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1315: if ($result eq 'fail') {
1316: $output = $error.&mt('Invalid ID format').$end.
1317: $userchkmsg.$rtnlink;
1318: return ('fail',$output);
1319: }
1320: }
1321: # Call modifyuser
1322: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1323: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1324: \%inst_results,\%curr_rules,\%got_rules);
1325: my @userinfo = ('firstname','middlename','lastname','generation',
1326: 'permanentemail','id');
1327: my %canmodify =
1328: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1329: \@userinfo,\%inst_results);
1330: foreach my $item (@userinfo) {
1331: if ($canmodify{$item}) {
1332: $info{$item} = $env{'form.c'.$item};
1333: } else {
1334: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1335: }
1336: }
1337: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1338: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1339: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1340: }
1341: my $result =
1342: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1343: $domdefaults{'auth_def'},
1344: $domdefaults{'auth_arg_def'},$info{'firstname'},
1345: $info{'middlename'},$info{'lastname'},
1346: $info{'generation'},undef,undef,
1347: $info{'permanentemail'},$info{'inststatus'});
1348: if ($result eq 'ok') {
1349: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1350: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1351: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1352: my $nostart = 1;
1353: my $response = 'ok';
1354: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1355: if ($redirect) {
1356: $response = $redirect;
1357: }
1358: return ($response,$output,$nostart);
1359: } else {
1360: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1361: return ('fail',$output);
1362: }
1363: } else {
1364: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1365: return('fail',$output);
1366: }
1367: }
1368:
1369: sub check_id {
1370: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1371: # Check student/employee ID format
1372: # Is proposed student/employee ID acceptable according to domain's rules.
1373: # $domdesc is just used for user error messages
1374: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1375: my %checks = ('id' => 1);
1376: %{$checkhash{$username.':'.$domain}} = (
1377: 'newuser' => 1,
1378: 'id' => $id,
1379: );
1380: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1381: \%rulematch,\%inst_results,\%curr_rules);
1382: if (ref($alerts{'id'}) eq 'HASH') {
1383: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1384: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1385: my $userchkmsg;
1386: if (ref($curr_rules{$domain}) eq 'HASH') {
1387: if ($usernametype eq 'email') {
1388: $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.');
1389: } else {
1390: $userchkmsg =
1391: &Apache::loncommon::instrule_disallow_msg('id',
1392: $domdesc,1).
1393: &Apache::loncommon::user_rule_formats($domain,
1394: $domdesc,$curr_rules{$domain}{'id'},'id');
1395: }
1396: }
1397: return ('fail',$userchkmsg);
1398: }
1399: }
1400: }
1401: return;
1402: }
1403:
1404: sub invalid_state {
1405: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1406: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1407: if ($error eq 'baduseremail') {
1408: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1409: } elsif ($error eq 'badusername') {
1410: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1411: } elsif ($error eq 'existinguser') {
1412: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1413: } elsif ($error eq 'userrules') {
1414: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1415: } elsif ($error eq 'userformat') {
1416: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1417: } elsif ($error eq 'captcha') {
1418: $msg .= &mt('Validation of the code you entered failed.');
1419: } elsif ($error eq 'noemails') {
1420: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1421: }
1422: $msg .= '</span>';
1423: if ($msgtext) {
1424: $msg .= '<br />'.$msgtext;
1425: }
1426: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1427: return $msg;
1428: }
1429:
1430: sub linkto_email_help {
1431: my ($contact_email,$domdesc,$error) = @_;
1432: my $msg;
1433: my $href = '/adm/helpdesk';
1434: if ($contact_email ne '') {
1435: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1436: $href .= '?origurl='.$escuri;
1437: if ($error eq 'existinguser') {
1438: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1439: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1440: }
1441: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1442: } else {
1443: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1444: }
1445: return $msg;
1446: }
1447:
1448: sub getkeys {
1449: my ($lkey,$ukey) = @_;
1450: my $lextkey=hex($lkey);
1451: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1452:
1453: my $uextkey=hex($ukey);
1454: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1455: return ($lextkey,$uextkey);
1456: }
1457:
1458: sub serverform {
1459: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1460: my $phase = 'username_validation';
1461: my $catalog_elements;
1462: if ($context eq 'selfenroll') {
1463: $phase = 'selfenroll_login';
1464: }
1465: if ($courseid ne '') {
1466: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1467: }
1468: my $output = <<ENDSERVERFORM;
1469: <form name="server" method="post" action="/adm/createaccount">
1470: <input type="hidden" name="logtoken" value="$logtoken" />
1471: <input type="hidden" name="token" value="$mailtoken" />
1472: <input type="hidden" name="serverid" value="$lonhost" />
1473: <input type="hidden" name="uname" value="" />
1474: <input type="hidden" name="upass" value="" />
1475: <input type="hidden" name="udom" value="" />
1476: <input type="hidden" name="phase" value="$phase" />
1477: <input type="hidden" name="courseid" value="$courseid" />
1478: $catalog_elements
1479: </form>
1480: ENDSERVERFORM
1481: return $output;
1482: }
1483:
1484: sub store_request {
1485: my ($dom,$username,$val,$dataref,$settings) = @_;
1486: my $output;
1487: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1488: my $key = &escape($username);
1489: my $now = time();
1490: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1491: $dom,$domconfiguser) eq 'ok') {
1492: if (ref($dataref) eq 'HASH') {
1493: my $logtoken = $dataref->{'tmpinfo'};
1494: my $serverid = $dataref->{'serverid'};
1495: if ($logtoken && $serverid) {
1496: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1497: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1498: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1499: if ($reply eq 'ok') {
1500: my ($key,$caller)=split(/&/,$tmpinfo);
1501: $dataref->{'key'} = $key;
1502: undef($dataref->{'tmpinfo'});
1503: undef($dataref->{'serverid'});
1504: }
1505: }
1506: }
1507: }
1508: my %userrequest = ( $username => $dataref );
1509: $userrequest{$username}{timestamp} = $now;
1510: $userrequest{$username}{status} = $val;
1511: my $notifylist;
1512: if (ref($settings) eq 'HASH') {
1513: if (ref($settings->{'cancreate'}) eq 'HASH') {
1514: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1515: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1516: if ($notifylist) {
1517: my $sender = $domconfiguser.':'.$dom;
1518: my $domdesc = &Apache::lonnet::domain($dom,'description');
1519: my $fullname;
1520: if (ref($dataref) eq 'HASH') {
1521: if ($dataref->{'firstname'}) {
1522: $fullname = $dataref->{'firstname'};
1523: }
1524: if ($dataref->{'lastname'}) {
1525: $fullname .= ' '.$dataref->{'lastname'};
1526: }
1527: $fullname =~ s/^\s+|\s+$//g;
1528: }
1529: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1530: "$fullname ($username)",
1531: undef,$domdesc,$now,'usernamereq',$sender);
1532: }
1533: }
1534: }
1535: }
1536: my $userresult =
1537: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1538: $output = '<p class="LC_info">'.
1539: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1540: '</p>'.
1541: '<p class="LC_info">'.
1542: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1543: '</p>';
1544: } else {
1545: $output = '<span class="LC_error">'.
1546: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1547: '</span>';
1548: }
1549: return $output;
1550: }
1551:
1552: sub guest_format_check {
1553: my ($useremail,$domain,$cancreate,$settings) = @_;
1554: my ($login,$format_match,$format_msg,@user_rules);
1555: if (ref($settings) eq 'HASH') {
1556: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1557: push(@user_rules,@{$settings->{'email_rule'}});
1558: }
1559: }
1560: if (@user_rules > 0) {
1561: my %rule_check =
1562: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1563: 'selfcreate',\@user_rules);
1564: if (keys(%rule_check) > 0) {
1565: foreach my $item (keys(%rule_check)) {
1566: if ($rule_check{$item}) {
1567: $format_match = 1;
1568: last;
1569: }
1570: }
1571: }
1572: }
1573: if ($format_match) {
1574: ($login) = ($useremail =~ /^([^\@]+)\@/);
1575: $format_msg = '<br />'.
1576: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1577: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1578: if (ref($cancreate) eq 'ARRAY') {
1579: if (grep(/^login$/,@{$cancreate})) {
1580: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1581: }
1582: }
1583: }
1584: return $format_msg;
1585: }
1586:
1587: sub sso_logout_frag {
1588: my ($r,$domain) = @_;
1589: my $endsessionmsg;
1590: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1591: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1592: if (-e $msgfile) {
1593: open(my $fh,"<$msgfile");
1594: $endsessionmsg = join('',<$fh>);
1595: close($fh);
1596: }
1597: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1598: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1599: if (-e $msgfile) {
1600: open(my $fh,"<$msgfile");
1601: $endsessionmsg = join('',<$fh>);
1602: close($fh);
1603: }
1604: }
1605: return $endsessionmsg;
1606: }
1607:
1608: sub catreturn_js {
1609: return <<"ENDSCRIPT";
1610: <script type="text/javascript">
1611: // <![CDATA[
1612: function ToSelfenroll(formname) {
1613: var formidx = getFormByName(formname);
1614: if (formidx > -1) {
1615: document.forms[formidx].action = '/adm/selfenroll';
1616: numidx = getIndexByName(formidx,'phase');
1617: if (numidx > -1) {
1618: document.forms[formidx].elements[numidx].value = '';
1619: }
1620: numidx = getIndexByName(formidx,'context');
1621: if (numidx > -1) {
1622: document.forms[formidx].elements[numidx].value = '';
1623: }
1624: }
1625: document.forms[formidx].submit();
1626: }
1627:
1628: function ToCatalog(formname,caller) {
1629: var formidx = getFormByName(formname);
1630: if (formidx > -1) {
1631: document.forms[formidx].action = '/adm/coursecatalog';
1632: numidx = getIndexByName(formidx,'coursenum');
1633: if (numidx > -1) {
1634: if (caller != 'details') {
1635: document.forms[formidx].elements[numidx].value = '';
1636: }
1637: }
1638: }
1639: document.forms[formidx].submit();
1640: }
1641:
1642: function getIndexByName(formidx,item) {
1643: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1644: if (document.forms[formidx].elements[i].name == item) {
1645: return i;
1646: }
1647: }
1648: return -1;
1649: }
1650:
1651: function getFormByName(item) {
1652: for (var i=0; i<document.forms.length; i++) {
1653: if (document.forms[i].name == item) {
1654: return i;
1655: }
1656: }
1657: return -1;
1658: }
1659: // ]]>
1660: </script>
1661: ENDSCRIPT
1662:
1663: }
1664:
1665: 1;
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