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 1.63 2014/04/19 20:48:43 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: ($output,$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: my $usertype = &get_usertype($domain);
244: $output = &process_email_request($env{'form.uname'},$domain,$domdesc,
245: $contact_name,$contact_email,$cancreate,
246: $lonhost,$domconfig{'usercreation'},
247: $emailusername,$courseid,$usertype);
248: } elsif (!$token) {
249: &print_header($r,$start_page,$courseid);
250: my $now=time;
251: my $gotlondes;
252: if (grep(/^login$/,@{$cancreate})) {
253: if (open(my $jsh,"<$include/londes.js")) {
254: while(my $line = <$jsh>) {
255: $r->print($line);
256: }
257: close($jsh);
258: $r->print(&javascript_setforms($now));
259: $gotlondes = 1;
260: }
261: }
262: if (grep(/^email(|approval)$/,@{$cancreate})) {
263: $r->print(&javascript_validmail());
264: }
265: my $usertype = &get_usertype($domain);
266: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
267: $include,$courseid,$gotlondes,$emailusername,
268: $usertype);
269: }
270: $r->print($output);
271: &print_footer($r);
272: return OK;
273: }
274:
275: sub print_header {
276: my ($r,$start_page,$courseid) = @_;
277: $r->print($start_page);
278: &Apache::lonhtmlcommon::clear_breadcrumbs();
279: if ($courseid ne '') {
280: my %coursehash = &Apache::lonnet::coursedescription($courseid);
281: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
282: }
283: &Apache::lonhtmlcommon::add_breadcrumb
284: ({href=>"/adm/createuser",
285: text=>"New username"});
286: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
287: return;
288: }
289:
290: sub print_footer {
291: my ($r) = @_;
292: if ($env{'form.courseid'} ne '') {
293: $r->print('<form name="backupcrumbs" method="post" action="">'.
294: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
295: 'token','serverid','uname','upass','phase','create_with_email',
296: 'code','crypt','cfirstname','clastname',
297: 'recaptcha_challenge_field','recaptcha_response_field',
298: 'cmiddlename','cgeneration','cpermanentemail','cid']).
299: '</form>');
300: }
301: $r->print(&Apache::loncommon::end_page());
302: }
303:
304: sub get_usertype {
305: my ($domain) = @_;
306: my $usertype = 'default';
307: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
308: if (ref($types) eq 'ARRAY') {
309: push(@{$types},'default');
310: my $posstype = $env{'form.type'};
311: $posstype =~ s/^\s+|\s$//g;
312: if (grep(/^\Q$posstype\E$/,@{$types})) {
313: $usertype = $posstype;
314: }
315: }
316: return $usertype;
317: }
318:
319: sub selfenroll_crumbs {
320: my ($r,$courseid,$desc) = @_;
321: &Apache::lonhtmlcommon::add_breadcrumb
322: ({href=>"javascript:ToCatalog('backupcrumbs','')",
323: text=>"Course/Community Catalog"});
324: if ($env{'form.coursenum'} ne '') {
325: &Apache::lonhtmlcommon::add_breadcrumb
326: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
327: text=>"Course details"});
328: }
329: my $last_crumb;
330: if ($desc ne '') {
331: $last_crumb = &mt("Self-enroll in [_1]","'$desc'");
332: } else {
333: $last_crumb = &mt('Self-enroll');
334: }
335: &Apache::lonhtmlcommon::add_breadcrumb
336: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
337: text=>$last_crumb,
338: no_mt=>"1"});
339: return;
340: }
341:
342: sub javascript_setforms {
343: my ($now,$emailusername,$captcha,$usertype) = @_;
344: my ($setuserinfo,@required,$requiredchk);
345: if (ref($emailusername) eq 'HASH') {
346: if (ref($emailusername->{$usertype}) eq 'HASH') {
347: foreach my $key (sort(keys(%{$emailusername->{$usertype}}))) {
348: if ($emailusername->{$usertype}{$key} eq 'required') {
349: push(@required,$key);
350: }
351: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
352: }
353: $setuserinfo .= ' server.elements.type.value=client.elements.type.value;'."\n";
354: }
355: if ($captcha eq 'original') {
356: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
357: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
358: } elsif ($captcha eq 'recaptcha') {
359: $setuserinfo .=
360: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
361: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
362: }
363: }
364: if (@required) {
365: my $missprompt = &mt('One or more required fields are currently blank.');
366: my $reqstr = join("','",@required);
367: $requiredchk = <<"ENDCHK";
368: var requiredfields = new Array('$reqstr');
369: missing = 0;
370: for (var i=0; i<requiredfields.length; i++) {
371: try {
372: eval("client.elements."+requiredfields[i]+".value");
373: }
374: catch(err) {
375: continue;
376: }
377: if (eval("client.elements."+requiredfields[i]+".value") == '') {
378: missing ++;
379: }
380: }
381: if (missing > 0) {
382: alert("$missprompt");
383: return false;
384: }
385:
386: ENDCHK
387: }
388: my $js = <<ENDSCRIPT;
389: <script type="text/javascript">
390: // <![CDATA[
391: function send(one,two,context) {
392: var server;
393: var client;
394: if (document.forms[one]) {
395: server = document.forms[one];
396: if (document.forms[two]) {
397: client = document.forms[two];
398: $requiredchk
399: server.elements.uname.value = client.elements.uname.value;
400: server.elements.udom.value = client.elements.udom.value;
401:
402: uextkey=client.elements.uextkey.value;
403: lextkey=client.elements.lextkey.value;
404: initkeys();
405:
406: server.elements.upass.value
407: = crypted(client.elements.upass$now.value);
408:
409: client.elements.uname.value='';
410: client.elements.upass$now.value='';
411: if (context == 'email') {
412: $setuserinfo
413: client.elements.upasscheck$now.value='';
414: }
415: server.submit();
416: }
417: }
418: return false;
419: }
420: // ]]>
421: </script>
422: ENDSCRIPT
423: return $js;
424: }
425:
426: sub javascript_checkpass {
427: my ($now,$context) = @_;
428: my $nopass = &mt('You must enter a password.');
429: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
430: &mt('Please try again.');
431: my $js = <<"ENDSCRIPT";
432: <script type="text/javascript">
433: // <![CDATA[
434: function checkpass(one,two) {
435: var client;
436: if (document.forms[two]) {
437: client = document.forms[two];
438: var upass = client.elements.upass$now.value;
439: var upasscheck = client.elements.upasscheck$now.value;
440: if (upass == '') {
441: alert("$nopass");
442: return false;
443: }
444: if (upass == upasscheck) {
445: client.elements.upasscheck$now.value='';
446: if (validate_email(client)) {
447: send(one,two,'$context');
448: }
449: return false;
450: } else {
451: alert("$mismatchpass");
452: return false;
453: }
454: }
455: return false;
456: }
457: // ]]>
458: </script>
459: ENDSCRIPT
460: return $js;
461: }
462:
463: sub javascript_validmail {
464: my %lt = &Apache::lonlocal::texthash (
465: email => 'The e-mail address you entered',
466: notv => 'is not a valid e-mail address',
467: );
468: my $output = "\n".'<script type="text/javascript">'."\n".
469: '// <![CDATA['."\n".
470: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
471: $output .= <<"ENDSCRIPT";
472: function validate_email(client) {
473: field = client.uname;
474: if (validmail(field) == false) {
475: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
476: return false;
477: }
478: return true;
479: }
480: ENDSCRIPT
481: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
482: return $output;
483: }
484:
485: sub print_username_form {
486: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$gotlondes,$emailusername,
487: $usertype) = @_;
488: my %lt = &Apache::lonlocal::texthash (
489: unam => 'username',
490: udom => 'domain',
491: uemail => 'E-mail address in LON-CAPA',
492: proc => 'Proceed',
493: crac => 'Create account with a username provided by this institution',
494: clca => 'Create LON-CAPA account',
495: type => 'Type in your log-in ID and password to find out.',
496: plse => 'Please provide a password for your new account.',
497: info => 'Please provide user information and a password for your new account.',
498: yopw => 'Your password will be encrypted when sent (and stored).',
499: );
500: my $output;
501: if (ref($cancreate) eq 'ARRAY') {
502: if (grep(/^login$/,@{$cancreate})) {
503: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
504: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
505: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
506: $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 />').
507: '<br /><br />'.
508: $lt{'type'}.
509: '<br /><br />';
510: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
511: $domain,'createaccount').'</div>';
512: }
513: }
514: if (grep(/^email(|approval)$/,@{$cancreate})) {
515: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
516: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
517: if ($error) {
518: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
519: if ($courseid ne '') {
520: $helpdesk .= '&courseid='.$courseid;
521: }
522: $output .= '<span class="LC_error">'.
523: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
524: '</span><br /><br />'.
525: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
526: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
527: } else {
528: if (grep(/^login$/,@{$cancreate})) {
529: $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 />'.
530: $lt{'plse'}.'<br />'.
531: $lt{'yopw'}.'<br />';
532: } else {
533: my $prompt = $lt{'plse'};
534: if (ref($emailusername) eq 'HASH') {
535: if (ref($emailusername->{$usertype}) eq 'HASH') {
536: if (keys(%{$emailusername->{$usertype}}) > 0) {
537: $prompt = $lt{'info'};
538: }
539: }
540: }
541: $output .= $prompt.'<br />'.
542: $lt{'yopw'}.'<br />';
543: }
544: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
545: $courseid,$gotlondes,$emailusername,$captcha,
546: $usertype);
547: }
548: $output .= '</div>';
549: }
550: }
551: if ($output eq '') {
552: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
553: } else {
554: $output .= '<div class="LC_clear_float_footer"></div>';
555: }
556: return $output;
557: }
558:
559: sub login_box {
560: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
561: my $output;
562: my %titles = &Apache::lonlocal::texthash(
563: createaccount => 'Log-in ID',
564: selfenroll => 'Username',
565: );
566: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
567: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
568: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
569: $lonhost);
570: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
571: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
572: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
573: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
574: &Apache::lonhtmlcommon::start_pick_box()."\n".
575: &Apache::lonhtmlcommon::row_title($titles{$context},
576: 'LC_pick_box_title')."\n".
577: $unameform."\n".
578: &Apache::lonhtmlcommon::row_closure(1)."\n".
579: &Apache::lonhtmlcommon::row_title(&mt('Password'),
580: 'LC_pick_box_title')."\n".
581: $upassform;
582: if ($context eq 'selfenroll') {
583: my $udomform = '<input type="text" name="udom" size="10" value="'.
584: $domain.'" />';
585: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
586: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
587: 'LC_pick_box_title')."\n".
588: $udomform."\n";
589: } else {
590: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
591: }
592: $output .= &Apache::lonhtmlcommon::row_closure(1).
593: &Apache::lonhtmlcommon::row_title().
594: '<br /><input type="submit" name="username_validation" value="'.
595: $submit_text.'" />'."\n";
596: if ($context eq 'selfenroll') {
597: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
598: '<span class="LC_fontsize_medium">'.
599: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
600: '</span></td></tr></table>'."\n";
601: }
602: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
603: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
604: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
605: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
606: '</form>';
607: return $output;
608: }
609:
610: sub process_email_request {
611: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
612: $server,$settings,$emailusername,$courseid,$usertype) = @_;
613: my $output;
614: if (ref($cancreate) eq 'ARRAY') {
615: if (!grep(/^email(|approval)$/,@{$cancreate})) {
616: $output = &invalid_state('noemails',$domdesc,
617: $contact_name,$contact_email);
618: return $output;
619: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
620: $output = &invalid_state('baduseremail',$domdesc,
621: $contact_name,$contact_email);
622: return $output;
623: } else {
624: $useremail =~ s/^\s+|\s+$//g;
625: my $uname=&LONCAPA::clean_username($useremail);
626: if ($useremail ne $uname) {
627: $output = &invalid_state('badusername',$domdesc,
628: $contact_name,$contact_email);
629: return $output;
630: }
631: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
632: if ($uhome ne 'no_host') {
633: $output = &invalid_state('existinguser',$domdesc,
634: $contact_name,$contact_email);
635: return $output;
636: } else {
637: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
638: if ($captcha_chk != 1) {
639: $output = &invalid_state('captcha',$domdesc,$contact_name,
640: $contact_email,$captcha_error);
641: return $output;
642: }
643: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
644: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
645: \%inst_results,\%curr_rules,\%got_rules,'username');
646: if (ref($alerts{'username'}) eq 'HASH') {
647: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
648: if ($alerts{'username'}{$domain}{$useremail}) {
649: $output = &invalid_state('userrules',$domdesc,
650: $contact_name,$contact_email);
651: return $output;
652: }
653: }
654: }
655: my $format_msg =
656: &guest_format_check($useremail,$domain,$cancreate,
657: $settings);
658: if ($format_msg) {
659: $output = &invalid_state('userformat',$domdesc,$contact_name,
660: $contact_email,$format_msg);
661: return $output;
662: }
663: }
664: }
665: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
666: $contact_email,$courseid,$emailusername,$usertype);
667: }
668: return $output;
669: }
670:
671: sub call_rulecheck {
672: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
673: $got_rules,$tocheck) = @_;
674: my ($checkhash,$checks);
675: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
676: if ($tocheck eq 'username') {
677: $checks = { 'username' => 1 };
678: }
679: &Apache::loncommon::user_rule_check($checkhash,$checks,
680: $alerts,$rulematch,$inst_results,$curr_rules,
681: $got_rules);
682: return;
683: }
684:
685: sub send_token {
686: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername,
687: $usertype) = @_;
688: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
689: &mt('Thank you for your request to create a new LON-CAPA account.').
690: '<br /><br />';
691: my $now = time;
692: $env{'form.logtoken'} =~ s/(`)//g;
693: if ($env{'form.logtoken'}) {
694: my $logtoken = $env{'form.logtoken'};
695: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
696: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
697: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
698: .'<br />'.&mt('Return to the previous page to try again.');
699: } else {
700: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
701: unless ($reply eq 'ok') {
702: $msg .= &mt('Request could not be processed.');
703: }
704: }
705: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
706: 'time' => $now,
707: 'domain' => $domain,
708: 'username' => $email,
709: 'courseid' => $courseid,
710: 'upass' => $env{'form.upass'},
711: 'serverid' => $env{'form.serverid'},
712: 'tmpinfo' => $tmpinfo);
713:
714: if (ref($emailusername) eq 'HASH') {
715: if (ref($emailusername->{$usertype}) eq 'HASH') {
716: foreach my $item (keys(%{$emailusername->{$usertype}})) {
717: $info{$item} = $env{'form.'.$item};
718: $info{$item} =~ s/(`)//g;
719: }
720: unless ($usertype eq 'default') {
721: $info{'inststatus'} = $usertype;
722: }
723: }
724: }
725: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
726: if ($token !~ /^error/ && $token ne 'no_such_host') {
727: my $esc_token = &escape($token);
728: my $showtime = localtime(time);
729: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
730: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
731: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
732: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
733: $contact_email);
734: if ($result eq 'ok') {
735: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
736: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
737: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
738: } else {
739: $msg .= '<span class="LC_error">'.
740: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
741: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
742: }
743: } else {
744: $msg .= '<span class="LC_error">'.
745: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
746: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
747: }
748: } else {
749: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
750: .'<br />'.&mt('Return to the previous page to try again.');
751:
752: }
753: return $msg;
754: }
755:
756: sub process_mailtoken {
757: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
758: $include,$start_page,$cancreate,$settings) = @_;
759: my ($msg,$nostart,$noend,$redirect);
760: my %data = &Apache::lonnet::tmpget($token);
761: my $now = time;
762: if (keys(%data) == 0) {
763: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
764: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
765: .' '.&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.',
766: '<a href="/adm/createaccount">','</a>');
767: return $msg;
768: }
769: if (($data{'time'} =~ /^\d+$/) &&
770: ($data{'domain'} ne '') &&
771: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
772: if ($now - $data{'time'} < 7200) {
773: # Check if request should be queued.
774: if (ref($cancreate) eq 'ARRAY') {
775: if (grep(/^email$/,@{$cancreate})) {
776: my ($result,$output,$uhome) =
777: &create_account($r,$domain,$domdesc,\%data);
778: if ($result eq 'ok') {
779: $msg = $output;
780: my $shownow = &Apache::lonlocal::locallocaltime($now);
781: 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";
782: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
783: $mailmsg,$contact_name,
784: $contact_email);
785: if ($mailresult eq 'ok') {
786: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
787: } else {
788: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
789: }
790: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
791: $data{'courseid'},$token);
792: $nostart = 1;
793: $noend = 1;
794: } else {
795: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
796: .'<br />'.$output;
797: if (($contact_name ne '') && ($contact_email ne '')) {
798: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
799: }
800: }
801: my $delete = &Apache::lonnet::tmpdel($token);
802: } elsif (grep(/^emailapproval$/,@{$cancreate})) {
803: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
804: my $delete = &Apache::lonnet::tmpdel($token);
805: } else {
806: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
807: }
808: } else {
809: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
810: }
811: } else {
812: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
813: .' '.&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>');
814: }
815: } else {
816: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
817: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
818: }
819: return ($msg,$nostart,$noend,$redirect);
820: }
821:
822: sub start_session {
823: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
824:
825: if ($r->dir_config('lonBalancer') eq 'yes') {
826: Apache::lonauth::success($r, $username, $domain, $uhome,
827: 'noredirect', undef, {});
828:
829: Apache::lonnet::tmpdel($token) if $token;
830:
831: return 'redirect';
832: } else {
833: $courseid = Apache::lonnet::is_course($courseid);
834:
835: Apache::lonauth::success($r, $username, $domain, $uhome,
836: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
837: undef, {});
838: }
839:
840: return;
841: }
842:
843: #
844: # The screen that the user gets to create his or her account
845: # Desired username, desired password, etc
846: # Stores token to store DES-key and stage during creation session
847: #
848: sub print_dataentry_form {
849: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$gotlondes,$emailusername,$captcha,
850: $usertype) = @_;
851: my ($error,$output);
852: unless ($gotlondes) {
853: if (open(my $jsh,"<$include/londes.js")) {
854: while(my $line = <$jsh>) {
855: $r->print($line);
856: }
857: close($jsh);
858: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype)."\n";
859: $gotlondes = 1;
860: }
861: }
862: if ($gotlondes) {
863: $output .= &javascript_checkpass($now,'email');
864: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
865: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
866: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
867: $lonhost);
868: $output .=
869: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
870: if ($courseid ne '') {
871: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
872: }
873: if (ref($emailusername) eq 'HASH') {
874: if (ref($emailusername->{$usertype}) eq 'HASH') {
875: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
876: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
877: }
878: $output .= '<input type="hidden" name="type" value="" />'."\n";
879: }
880: }
881: if ($captcha eq 'original') {
882: $output .= '
883: <input type="hidden" name="crypt" value="" />
884: <input type="hidden" name="code" value="" />
885: ';
886: } elsif ($captcha eq 'recaptcha') {
887: $output .= '
888: <input type="hidden" name="recaptcha_challenge_field" value="" />
889: <input type="hidden" name="recaptcha_response_field" value="" />
890: ';
891: }
892: $output .= <<"ENDSERVERFORM";
893: <input type="hidden" name="logtoken" value="$logtoken" />
894: <input type="hidden" name="serverid" value="$lonhost" />
895: <input type="hidden" name="uname" value="" />
896: <input type="hidden" name="upass" value="" />
897: <input type="hidden" name="udom" value="" />
898: <input type="hidden" name="phase" value="createaccount" />
899: <input type="hidden" name="create_with_email" value="1" />
900: </form>
901: ENDSERVERFORM
902: my $beginclientform = '<form name="newemail" method="post" action="" '.
903: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
904: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
905: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
906: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
907: '</form>'."\n".
908: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
909: my ($datatable,$rowcount) =
910: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
911: '','',$now,$captchaform,
912: $emailusername,$usertype);
913: if ($rowcount) {
914: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
915: } else {
916: $output .= $beginclientform.$endclientform;
917: }
918: if ($rowcount) {
919: $output .= '</div>'."\n".
920: '<div class="LC_clear_float_footer"></div>'."\n";
921: }
922: } else {
923: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
924: }
925: return $output;
926: }
927:
928: #
929: # Retrieve rules for generating accounts from domain configuration
930: # Can the user make a new account or just self-enroll?
931:
932: sub get_creation_controls {
933: my ($domain,$usercreation) = @_;
934: my (@cancreate,@statustocreate,$emailusername);
935: if (ref($usercreation) eq 'HASH') {
936: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
937: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
938: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
939: if (@statustocreate == 0) {
940: my ($othertitle,$usertypes,$types) =
941: &Apache::loncommon::sorted_inst_types($domain);
942: if (ref($types) eq 'ARRAY') {
943: if (@{$types} == 0) {
944: @statustocreate = ('default');
945: }
946: } else {
947: @statustocreate = ('default');
948: }
949: }
950: } else {
951: @statustocreate = ('default');
952: my ($othertitle,$usertypes,$types) =
953: &Apache::loncommon::sorted_inst_types($domain);
954: if (ref($types) eq 'ARRAY') {
955: push(@statustocreate,@{$types});
956: }
957: }
958: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
959: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
960: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
961: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
962: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
963: }
964: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
965: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
966: } else {
967: $emailusername = {'lastname' => '1', 'firstname' => 1, };
968: }
969: }
970: }
971: return (\@cancreate,\@statustocreate,$emailusername);
972: }
973:
974: sub create_account {
975: my ($r,$domain,$domdesc,$dataref) = @_;
976: my $error = '<span class="LC_error">'.&mt('Error:').' ';
977: my $end = '</span><br /><br />';
978: my $rtnlink = '<a href="javascript:history.back();">'.
979: &mt('Return to previous page').'</a>'.
980: &Apache::loncommon::end_page();
981: my $output;
982: if (ref($dataref) eq 'HASH') {
983: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
984: $generation,$inststatus);
985: $username = $dataref->{'username'};
986: $encpass = $dataref->{'upass'};
987: $serverid = $dataref->{'serverid'};
988: $courseid = $dataref->{'courseid'};
989: $id = $dataref->{'id'};
990: $firstname = $dataref->{'firstname'};
991: $middlename = $dataref->{'middlename'};
992: $lastname = $dataref->{'lastname'};
993: $generation = $dataref->{'generation'};
994: $inststatus = $dataref->{'inststatus'};
995:
996: my $currhome = &Apache::lonnet::homeserver($username,$domain);
997: unless ($currhome eq 'no_host') {
998: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
999: return ('fail',$error.$output.$end.$rtnlink);
1000: }
1001:
1002: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1003:
1004: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1005: if ($caller eq 'createaccount') {
1006: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1007:
1008: # See if we are allowed to use the proposed student/employee ID,
1009: # as per domain rules; if not, student/employee will be left blank.
1010:
1011: if ($id ne '') {
1012: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1013: if ($result eq 'fail') {
1014: $output = $error.&mt('Invalid ID format').$end.
1015: $userchkmsg;
1016: undef($id);
1017: }
1018: }
1019:
1020: # Create an internally authenticated account with password $upass
1021: # if the user account does not already exist.
1022: # Assign student/employee id, first name, last name, etc.
1023:
1024: my $result =
1025: &Apache::lonnet::modifyuser($domain,$username,$id,
1026: 'internal',$upass,$firstname,$middlename,
1027: $lastname,$generation,undef,undef,$username);
1028: $output = &mt('Generating user: [_1]',$result);
1029:
1030: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1031:
1032: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1033: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1034: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1035: }
1036: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1037: &Apache::lonnet::hostname($uhome).'<br /><br />';
1038: return ('ok',$output,$uhome);
1039: } else {
1040: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1041: undef($encpass);
1042: return ('fail',$error.$output.$end.$rtnlink);
1043: }
1044: } else {
1045: $output = &mt('Unable to retrieve information for your account request.');
1046: return ('fail',$error.$output.$end.$rtnlink);
1047: }
1048: }
1049:
1050: sub username_validation {
1051: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1052: $lonhost,$statustocreate) = @_;
1053: # $r: request object
1054: # $username,$domain: for the user who needs to be validated
1055: # $domdesc: full name of the domain (for error messages)
1056: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1057: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1058: # passed to start_session()
1059: # $lonhost: LON-CAPA lonHostID
1060: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1061:
1062: #
1063: # Sanitize incoming username and domain
1064: #
1065: $username= &LONCAPA::clean_username($username);
1066: $domain = &LONCAPA::clean_domain($domain);
1067:
1068: #
1069: # Check if LON-CAPA account already exists for $username:$domain
1070: #
1071: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1072:
1073: my $output;
1074:
1075: # Retrieve DES key from server using logtoken
1076:
1077: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1078: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1079: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1080: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1081: return ('fail',$output);
1082: } else {
1083: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1084: unless ($reply eq 'ok') {
1085: $output = &mt('Session could not be opened.');
1086: return ('fail',$output);
1087: }
1088: }
1089:
1090: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1091:
1092: my ($key,$caller)=split(/&/,$tmpinfo);
1093: my $upass;
1094: if ($caller eq 'createaccount') {
1095: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1096: } else {
1097: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1098: return ('fail',$output);
1099: }
1100: if ($uhome ne 'no_host') {
1101: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1102: if ($result ne 'no_host') {
1103: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1104: if ($redirect) {
1105: return ($redirect);
1106: }
1107: $output = '<br /><br />'.
1108: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1109: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1110: &mt('The password entered was also correct so you have been logged in.');
1111: return ('existingaccount',$output);
1112: } else {
1113: $output = &login_failure_msg($courseid);
1114: }
1115: } else {
1116: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1117: my $authok;
1118: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1119: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1120: ($domdefaults{'auth_def'} eq 'localauth')) {
1121: my $checkdefauth = 1;
1122: $authok =
1123: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1124: } else {
1125: $authok = 'non_authorized';
1126: }
1127: if ($authok eq 'authorized') {
1128: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1129: $contact_email,$contact_name,undef,
1130: $statustocreate);
1131: } else {
1132: $output = &login_failure_msg($courseid);
1133: }
1134: }
1135: return ('ok',$output);
1136: }
1137:
1138: sub login_failure_msg {
1139: my ($courseid) = @_;
1140: my $url;
1141: if ($courseid ne '') {
1142: $url = "/adm/selfenroll?courseid=".$courseid;
1143: } else {
1144: $url = "/adm/createaccount";
1145: }
1146: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1147: &mt('Username and/or password could not be authenticated.').
1148: '</div>'.
1149: &mt('Please check the username and password.').'<br /><br />';
1150: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1151: return $output;
1152: }
1153:
1154: sub username_check {
1155: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1156: $contact_name,$sso_logout,$statustocreate) = @_;
1157: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1158: %alerts,%curr_rules,%got_rules);
1159: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1160: \%inst_results,\%curr_rules,\%got_rules,'username');
1161: if (ref($alerts{'username'}) eq 'HASH') {
1162: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1163: if ($alerts{'username'}{$domain}{$username}) {
1164: if (ref($curr_rules{$domain}) eq 'HASH') {
1165: $output =
1166: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1167: 'selfcreate').
1168: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1169: $curr_rules{$domain}{'username'},'username');
1170: }
1171: $checkfail = 'username';
1172: }
1173: }
1174: }
1175: if (!$checkfail) {
1176: if (ref($statustocreate) eq 'ARRAY') {
1177: $checkfail = 'inststatus';
1178: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1179: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1180: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1181: undef($checkfail);
1182: last;
1183: }
1184: }
1185: } elsif (grep(/^default$/,@{$statustocreate})) {
1186: undef($checkfail);
1187: }
1188: }
1189: }
1190: if (!$checkfail) {
1191: $output = '<form method="post" action="/adm/createaccount">';
1192: (my $datatable,$rowcount,$editable) =
1193: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1194: $inst_results{$username.':'.$domain});
1195: if ($rowcount > 0) {
1196: $output .= $datatable;
1197: }
1198: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1199: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1200: '<input type="hidden" name="phase" value="username_activation" />';
1201: my $now = time;
1202: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1203: 'time' => $now,
1204: 'domain' => $domain,
1205: 'username' => $username);
1206: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1207: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1208: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1209: } else {
1210: $output = &mt('An error occurred when storing a token').'<br />'.
1211: &mt('You will not be able to proceed to the next stage of account creation').
1212: &linkto_email_help($contact_email,$domdesc);
1213: $checkfail = 'authtoken';
1214: }
1215: }
1216: if ($checkfail) {
1217: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1218: if ($checkfail eq 'username') {
1219: $msg .= '<span class="LC_warning">'.
1220: &mt('A LON-CAPA account may not be created with the username you use.').
1221: '</span><br /><br />'.$output;
1222: } elsif ($checkfail eq 'authtoken') {
1223: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1224: '<br />'.$output;
1225: } elsif ($checkfail eq 'inststatus') {
1226: $msg .= '<span class="LC_warning">'.
1227: &mt('You are not permitted to create a LON-CAPA account.').
1228: '</span><br /><br />'.$output;
1229: }
1230: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1231: $contact_name,$contact_email).'<br /><hr />'.
1232: $sso_logout;
1233: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1234: } else {
1235: if ($courseid ne '') {
1236: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1237: }
1238: $output .= '<input type="submit" name="newaccount" value="'.
1239: &mt('Create LON-CAPA account').'" /></form>';
1240: if ($rowcount) {
1241: if ($editable) {
1242: if ($courseid ne '') {
1243: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1244: }
1245: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1246: } else {
1247: if ($courseid ne '') {
1248: $msg = '<h4>'.&mt('Review user information').'</h4>';
1249: }
1250: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1251: }
1252: } else {
1253: if ($courseid ne '') {
1254: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1255: }
1256: $msg .= &mt('Confirm that you wish to create an account.');
1257: }
1258: $msg .= $output;
1259: }
1260: return $msg;
1261: }
1262:
1263: sub username_activation {
1264: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1265: my $output;
1266: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1267: my $end = '</span><br /><br />';
1268: my $rtnlink = '<a href="javascript:history.back();">'.
1269: &mt('Return to previous page').'</a>'.
1270: &Apache::loncommon::end_page();
1271: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1272: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1273: my $now = time;
1274: my $earlyout;
1275: my $timeout = 300;
1276: if (keys(%data) == 0) {
1277: $output = &mt('Sorry, your authentication has expired.');
1278: $earlyout = 'fail';
1279: }
1280: if (($data{'time'} !~ /^\d+$/) ||
1281: ($data{'domain'} ne $domain) ||
1282: ($data{'username'} ne $username)) {
1283: $earlyout = 'fail';
1284: $output = &mt('The credentials you provided could not be verified.');
1285: } elsif ($now - $data{'time'} > $timeout) {
1286: $earlyout = 'fail';
1287: $output = &mt('Sorry, your authentication has expired.');
1288: }
1289: if ($earlyout ne '') {
1290: my $link = '/adm/createaccount';
1291: if (&Apache::lonnet::domain($domain) ne '') {
1292: $link .= "?domain=$domain";
1293: }
1294: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1295: '<a href="'.$link.'">','</a>');
1296: return($earlyout,$output);
1297: }
1298: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1299: ($domdefaults{'auth_arg_def'} ne '')) ||
1300: ($domdefaults{'auth_def'} eq 'localauth')) {
1301: if ($env{'form.courseid'} ne '') {
1302: my $id = $env{'form.cid'};
1303: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1304: if ($result eq 'fail') {
1305: $output = $error.&mt('Invalid ID format').$end.
1306: $userchkmsg.$rtnlink;
1307: return ('fail',$output);
1308: }
1309: }
1310: # Call modifyuser
1311: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1312: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1313: \%inst_results,\%curr_rules,\%got_rules);
1314: my @userinfo = ('firstname','middlename','lastname','generation',
1315: 'permanentemail','id');
1316: my %canmodify =
1317: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1318: \@userinfo,\%inst_results);
1319: foreach my $item (@userinfo) {
1320: if ($canmodify{$item}) {
1321: $info{$item} = $env{'form.c'.$item};
1322: } else {
1323: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1324: }
1325: }
1326: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1327: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1328: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1329: }
1330: my $result =
1331: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1332: $domdefaults{'auth_def'},
1333: $domdefaults{'auth_arg_def'},$info{'firstname'},
1334: $info{'middlename'},$info{'lastname'},
1335: $info{'generation'},undef,undef,
1336: $info{'permanentemail'},$info{'inststatus'});
1337: if ($result eq 'ok') {
1338: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1339: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1340: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1341: my $nostart = 1;
1342: my $response = 'ok';
1343: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1344: if ($redirect) {
1345: $response = $redirect;
1346: }
1347: return ($response,$output,$nostart);
1348: } else {
1349: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1350: return ('fail',$output);
1351: }
1352: } else {
1353: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1354: return('fail',$output);
1355: }
1356: }
1357:
1358: sub check_id {
1359: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1360: # Check student/employee ID format
1361: # Is proposed student/employee ID acceptable according to domain's rules.
1362: # $domdesc is just used for user error messages
1363: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1364: my %checks = ('id' => 1);
1365: %{$checkhash{$username.':'.$domain}} = (
1366: 'newuser' => 1,
1367: 'id' => $id,
1368: );
1369: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1370: \%rulematch,\%inst_results,\%curr_rules);
1371: if (ref($alerts{'id'}) eq 'HASH') {
1372: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1373: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1374: my $userchkmsg;
1375: if (ref($curr_rules{$domain}) eq 'HASH') {
1376: if ($usernametype eq 'email') {
1377: $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.');
1378: } else {
1379: $userchkmsg =
1380: &Apache::loncommon::instrule_disallow_msg('id',
1381: $domdesc,1).
1382: &Apache::loncommon::user_rule_formats($domain,
1383: $domdesc,$curr_rules{$domain}{'id'},'id');
1384: }
1385: }
1386: return ('fail',$userchkmsg);
1387: }
1388: }
1389: }
1390: return;
1391: }
1392:
1393: sub invalid_state {
1394: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1395: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1396: if ($error eq 'baduseremail') {
1397: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1398: } elsif ($error eq 'badusername') {
1399: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1400: } elsif ($error eq 'existinguser') {
1401: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1402: } elsif ($error eq 'userrules') {
1403: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1404: } elsif ($error eq 'userformat') {
1405: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1406: } elsif ($error eq 'captcha') {
1407: $msg .= &mt('Validation of the code you entered failed.');
1408: } elsif ($error eq 'noemails') {
1409: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1410: }
1411: $msg .= '</span>';
1412: if ($msgtext) {
1413: $msg .= '<br />'.$msgtext;
1414: }
1415: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1416: return $msg;
1417: }
1418:
1419: sub linkto_email_help {
1420: my ($contact_email,$domdesc,$error) = @_;
1421: my $msg;
1422: my $href = '/adm/helpdesk';
1423: if ($contact_email ne '') {
1424: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1425: $href .= '?origurl='.$escuri;
1426: if ($error eq 'existinguser') {
1427: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1428: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1429: }
1430: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1431: } else {
1432: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1433: }
1434: return $msg;
1435: }
1436:
1437: sub getkeys {
1438: my ($lkey,$ukey) = @_;
1439: my $lextkey=hex($lkey);
1440: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1441:
1442: my $uextkey=hex($ukey);
1443: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1444: return ($lextkey,$uextkey);
1445: }
1446:
1447: sub serverform {
1448: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1449: my $phase = 'username_validation';
1450: my $catalog_elements;
1451: if ($context eq 'selfenroll') {
1452: $phase = 'selfenroll_login';
1453: }
1454: if ($courseid ne '') {
1455: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1456: }
1457: my $output = <<ENDSERVERFORM;
1458: <form name="server" method="post" action="/adm/createaccount">
1459: <input type="hidden" name="logtoken" value="$logtoken" />
1460: <input type="hidden" name="token" value="$mailtoken" />
1461: <input type="hidden" name="serverid" value="$lonhost" />
1462: <input type="hidden" name="uname" value="" />
1463: <input type="hidden" name="upass" value="" />
1464: <input type="hidden" name="udom" value="" />
1465: <input type="hidden" name="phase" value="$phase" />
1466: <input type="hidden" name="courseid" value="$courseid" />
1467: $catalog_elements
1468: </form>
1469: ENDSERVERFORM
1470: return $output;
1471: }
1472:
1473: sub store_request {
1474: my ($dom,$username,$val,$dataref,$settings) = @_;
1475: my $output;
1476: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1477: my $key = &escape($username);
1478: my $now = time();
1479: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1480: $dom,$domconfiguser) eq 'ok') {
1481: if (ref($dataref) eq 'HASH') {
1482: my $logtoken = $dataref->{'tmpinfo'};
1483: my $serverid = $dataref->{'serverid'};
1484: if ($logtoken && $serverid) {
1485: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1486: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1487: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1488: if ($reply eq 'ok') {
1489: my ($key,$caller)=split(/&/,$tmpinfo);
1490: $dataref->{'key'} = $key;
1491: undef($dataref->{'tmpinfo'});
1492: undef($dataref->{'serverid'});
1493: }
1494: }
1495: }
1496: }
1497: my %userrequest = ( $username => $dataref );
1498: $userrequest{$username}{timestamp} = $now;
1499: $userrequest{$username}{status} = $val;
1500: my $notifylist;
1501: if (ref($settings) eq 'HASH') {
1502: if (ref($settings->{'cancreate'}) eq 'HASH') {
1503: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1504: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1505: if ($notifylist) {
1506: my $sender = $domconfiguser.':'.$dom;
1507: my $domdesc = &Apache::lonnet::domain($dom,'description');
1508: my $fullname;
1509: if (ref($dataref) eq 'HASH') {
1510: if ($dataref->{'firstname'}) {
1511: $fullname = $dataref->{'firstname'};
1512: }
1513: if ($dataref->{'lastname'}) {
1514: $fullname .= ' '.$dataref->{'lastname'};
1515: }
1516: $fullname =~ s/^\s+|\s+$//g;
1517: }
1518: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1519: "$fullname ($username)",
1520: undef,$domdesc,$now,'usernamereq',$sender);
1521: }
1522: }
1523: }
1524: }
1525: my $userresult =
1526: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1527: $output = '<p class="LC_info">'.
1528: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1529: '</p>'.
1530: '<p class="LC_info">'.
1531: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1532: '</p>';
1533: } else {
1534: $output = '<span class="LC_error">'.
1535: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1536: '</span>';
1537: }
1538: return $output;
1539: }
1540:
1541: sub guest_format_check {
1542: my ($useremail,$domain,$cancreate,$settings) = @_;
1543: my ($login,$format_match,$format_msg,@user_rules);
1544: if (ref($settings) eq 'HASH') {
1545: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1546: push(@user_rules,@{$settings->{'email_rule'}});
1547: }
1548: }
1549: if (@user_rules > 0) {
1550: my %rule_check =
1551: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1552: 'selfcreate',\@user_rules);
1553: if (keys(%rule_check) > 0) {
1554: foreach my $item (keys(%rule_check)) {
1555: if ($rule_check{$item}) {
1556: $format_match = 1;
1557: last;
1558: }
1559: }
1560: }
1561: }
1562: if ($format_match) {
1563: ($login) = ($useremail =~ /^([^\@]+)\@/);
1564: $format_msg = '<br />'.
1565: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1566: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1567: if (ref($cancreate) eq 'ARRAY') {
1568: if (grep(/^login$/,@{$cancreate})) {
1569: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1570: }
1571: }
1572: }
1573: return $format_msg;
1574: }
1575:
1576: sub sso_logout_frag {
1577: my ($r,$domain) = @_;
1578: my $endsessionmsg;
1579: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1580: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1581: if (-e $msgfile) {
1582: open(my $fh,"<$msgfile");
1583: $endsessionmsg = join('',<$fh>);
1584: close($fh);
1585: }
1586: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1587: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1588: if (-e $msgfile) {
1589: open(my $fh,"<$msgfile");
1590: $endsessionmsg = join('',<$fh>);
1591: close($fh);
1592: }
1593: }
1594: return $endsessionmsg;
1595: }
1596:
1597: sub catreturn_js {
1598: return <<"ENDSCRIPT";
1599: <script type="text/javascript">
1600: // <![CDATA[
1601: function ToSelfenroll(formname) {
1602: var formidx = getFormByName(formname);
1603: if (formidx > -1) {
1604: document.forms[formidx].action = '/adm/selfenroll';
1605: numidx = getIndexByName(formidx,'phase');
1606: if (numidx > -1) {
1607: document.forms[formidx].elements[numidx].value = '';
1608: }
1609: numidx = getIndexByName(formidx,'context');
1610: if (numidx > -1) {
1611: document.forms[formidx].elements[numidx].value = '';
1612: }
1613: }
1614: document.forms[formidx].submit();
1615: }
1616:
1617: function ToCatalog(formname,caller) {
1618: var formidx = getFormByName(formname);
1619: if (formidx > -1) {
1620: document.forms[formidx].action = '/adm/coursecatalog';
1621: numidx = getIndexByName(formidx,'coursenum');
1622: if (numidx > -1) {
1623: if (caller != 'details') {
1624: document.forms[formidx].elements[numidx].value = '';
1625: }
1626: }
1627: }
1628: document.forms[formidx].submit();
1629: }
1630:
1631: function getIndexByName(formidx,item) {
1632: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1633: if (document.forms[formidx].elements[i].name == item) {
1634: return i;
1635: }
1636: }
1637: return -1;
1638: }
1639:
1640: function getFormByName(item) {
1641: for (var i=0; i<document.forms.length; i++) {
1642: if (document.forms[i].name == item) {
1643: return i;
1644: }
1645: }
1646: return -1;
1647: }
1648: // ]]>
1649: </script>
1650: ENDSCRIPT
1651:
1652: }
1653:
1654: 1;
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