1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth
4: # or kerberos) or an e-mail address.
5: #
6: # $Id: createaccount.pm,v 1.40.2.5.2.3 2012/02/11 23:30:16 raeburn Exp $
7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
29: #
30: #
31: package Apache::createaccount;
32:
33: use strict;
34: use Apache::Constants qw(:common);
35: use Apache::lonacc;
36: use Apache::lonnet;
37: use Apache::loncommon;
38: use Apache::lonhtmlcommon;
39: use Apache::lonlocal;
40: use Apache::lonauth;
41: use Apache::resetpw;
42: use Captcha::reCAPTCHA;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
62: &Apache::lonacc::get_posted_cgi($r);
63: &Apache::lonlocal::get_language_handle($r);
64:
65: if ($sso_username ne '' && $sso_domain ne '') {
66: $domain = $sso_domain;
67: } else {
68: $domain = &Apache::lonnet::default_login_domain();
69: if (defined($env{'form.courseid'})) {
70: if (&validate_course($env{'form.courseid'})) {
71: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
72: $domain = $1;
73: }
74: }
75: }
76: }
77: my $domdesc = &Apache::lonnet::domain($domain,'description');
78: my $contact_name = &mt('LON-CAPA helpdesk');
79: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
80: my $contacts =
81: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
82: $domain,$origmail);
83: my ($contact_email) = split(',',$contacts);
84: my $lonhost = $r->dir_config('lonHostID');
85: my $include = $r->dir_config('lonIncludes');
86: my $start_page;
87:
88: my $handle = &Apache::lonnet::check_for_valid_session($r);
89: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
90: $start_page =
91: &Apache::loncommon::start_page('Already logged in');
92: my $end_page =
93: &Apache::loncommon::end_page();
94: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
95: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].','<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
96: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
97: return OK;
98: }
99:
100: my ($js,$courseid,$title);
101: if (defined($env{'form.courseid'})) {
102: $courseid = &validate_course($env{'form.courseid'});
103: }
104: if ($courseid ne '') {
105: $js = &catreturn_js();
106: $title = 'Self-enroll in a LON-CAPA course';
107: } else {
108: $title = 'Create a user account in LON-CAPA';
109: }
110: if ($env{'form.phase'} eq 'selfenroll_login') {
111: $title = 'Self-enroll in a LON-CAPA course';
112: if ($env{'form.udom'} ne '') {
113: $domain = $env{'form.udom'};
114: }
115:
116: my %domconfig =
117: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
118: my ($cancreate,$statustocreate) =
119: &get_creation_controls($domain,$domconfig{'usercreation'});
120:
121: my ($result,$output) =
122: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
123: $contact_name,$contact_email,$courseid,
124: $lonhost,$statustocreate);
125: if ($result eq 'existingaccount') {
126: $r->print($output);
127: &print_footer($r);
128: return OK;
129: } else {
130: $start_page =
131: &Apache::loncommon::start_page($title,$js,
132: {'no_inline_link' => 1,});
133: &print_header($r,$start_page,$courseid);
134: $r->print($output);
135: &print_footer($r);
136: return OK;
137: }
138: }
139: $start_page =
140: &Apache::loncommon::start_page($title,$js,
141: {'no_inline_link' => 1,});
142: my %domconfig =
143: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
144: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
145: if (@{$cancreate} == 0) {
146: &print_header($r,$start_page,$courseid);
147: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
148: '<span class="LC_warning">'.
149: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for [_1].',$domdesc).'</span><br /><br />';
150: $r->print($output);
151: &print_footer($r);
152: return OK;
153: }
154:
155: if ($sso_username ne '') {
156: &print_header($r,$start_page,$courseid);
157: my ($msg,$sso_logout);
158: $sso_logout = &sso_logout_frag($r,$domain);
159: if (grep(/^sso$/,@{$cancreate})) {
160: $msg = '<h3>'.&mt('Account creation').'</h3>'.
161: &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 />';
162:
163: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
164: $lonhost,$contact_email,$contact_name,
165: $sso_logout,$statustocreate);
166: } else {
167: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
168: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
169: $sso_logout;
170: }
171: $r->print($msg);
172: &print_footer($r);
173: return OK;
174: }
175:
176: my ($output,$nostart,$noend);
177: my $token = $env{'form.token'};
178: if ($token) {
179: ($output,$nostart,$noend) =
180: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
181: $domdesc,$lonhost,$include,$start_page);
182: if ($nostart) {
183: if ($noend) {
184: return OK;
185: } else {
186: $r->print($output);
187: &print_footer($r);
188: return OK;
189: }
190: } else {
191: &print_header($r,$start_page,$courseid);
192: $r->print($output);
193: &print_footer($r);
194: return OK;
195: }
196: }
197:
198: if ($env{'form.phase'} eq 'username_activation') {
199: (my $result,$output,$nostart) =
200: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
201: $lonhost,$courseid);
202: if ($result eq 'ok') {
203: if ($nostart) {
204: return OK;
205: }
206: }
207: &print_header($r,$start_page,$courseid);
208: $r->print($output);
209: &print_footer($r);
210: return OK;
211: } elsif ($env{'form.phase'} eq 'username_validation') {
212: (my $result,$output) =
213: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
214: $contact_name,$contact_email,$courseid,
215: $lonhost,$statustocreate);
216: if ($result eq 'existingaccount') {
217: $r->print($output);
218: &print_footer($r);
219: return OK;
220: } else {
221: &print_header($r,$start_page,$courseid);
222: }
223: } elsif ($env{'form.create_with_email'}) {
224: &print_header($r,$start_page,$courseid);
225: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
226: $contact_name,$contact_email,$cancreate,
227: $lonhost,$domconfig{'usercreation'},
228: $courseid);
229: } elsif (!$token) {
230: &print_header($r,$start_page,$courseid);
231: my $now=time;
232: if (grep(/^login$/,@{$cancreate})) {
233: my $jsh=Apache::File->new($include."/londes.js");
234: $r->print(<$jsh>);
235: $r->print(&javascript_setforms($now));
236: }
237: if (grep(/^email$/,@{$cancreate})) {
238: $r->print(&javascript_validmail());
239: }
240: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
241: $courseid);
242: }
243: $r->print($output);
244: &print_footer($r);
245: return OK;
246: }
247:
248: sub get_custom_name {
249: my ($domain) = @_;
250: if ($domain eq 'relate') {
251: return 'Learn-Physics';
252: } else {
253: return lc($domain);
254: }
255: }
256:
257: sub print_header {
258: my ($r,$start_page,$courseid) = @_;
259: $r->print($start_page);
260: &Apache::lonhtmlcommon::clear_breadcrumbs();
261: if ($courseid ne '') {
262: my %coursehash = &Apache::lonnet::coursedescription($courseid);
263: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
264: }
265: &Apache::lonhtmlcommon::add_breadcrumb
266: ({href=>"/adm/createuser",
267: text=>"New username"});
268: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
269: return;
270: }
271:
272: sub print_footer {
273: my ($r) = @_;
274: if ($env{'form.courseid'} ne '') {
275: $r->print('<form name="backupcrumbs" method="post" action="">'.
276: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
277: 'token','serverid','uname','upass','phase','create_with_email',
278: 'code','useremail','crypt','cfirstname','clastname',
279: 'cmiddlename','cgeneration','cpermanentemail','cid']).
280: '</form>');
281: }
282: $r->print(&Apache::loncommon::end_page());
283: }
284:
285: sub selfenroll_crumbs {
286: my ($r,$courseid,$desc) = @_;
287: &Apache::lonhtmlcommon::add_breadcrumb
288: ({href=>"javascript:ToCatalog('backupcrumbs','')",
289: text=>"Course/Community Catalog"});
290: if ($env{'form.coursenum'} ne '') {
291: &Apache::lonhtmlcommon::add_breadcrumb
292: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
293: text=>"Course details"});
294: }
295: my $last_crumb;
296: if ($desc ne '') {
297: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
298: } else {
299: $last_crumb = &mt('Self-enroll');
300: }
301: &Apache::lonhtmlcommon::add_breadcrumb
302: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
303: text=>$last_crumb,
304: no_mt=>"1"});
305: return;
306: }
307:
308: sub validate_course {
309: my ($courseid) = @_;
310: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
311: if (($cdom ne '') && ($cnum ne '')) {
312: if (&Apache::lonnet::is_course($cdom,$cnum)) {
313: return ($courseid);
314: }
315: }
316: return;
317: }
318:
319: sub javascript_setforms {
320: my ($now) = @_;
321: my $js = <<ENDSCRIPT;
322: <script type="text/javascript" language="JavaScript">
323: function send() {
324: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
325: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
326: uextkey=this.document.client.elements.uextkey.value;
327: lextkey=this.document.client.elements.lextkey.value;
328: initkeys();
329:
330: this.document.server.elements.upass.value
331: = crypted(this.document.client.elements.upass$now.value);
332:
333: this.document.client.elements.uname.value='';
334: this.document.client.elements.upass$now.value='';
335:
336: this.document.server.submit();
337: return false;
338: }
339: </script>
340: ENDSCRIPT
341: return $js;
342: }
343:
344: sub javascript_checkpass {
345: my ($now) = @_;
346: my $nopass = &mt('You must enter a password.');
347: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
348: &mt('Please try again.');
349: my $js = <<"ENDSCRIPT";
350: <script type="text/javascript" language="JavaScript">
351: function checkpass() {
352: var upass = this.document.client.elements.upass$now.value;
353: var upasscheck = this.document.client.elements.upasscheck$now.value;
354: if (upass == '') {
355: alert("$nopass");
356: return false;
357: }
358: if (upass == upasscheck) {
359: this.document.client.elements.upasscheck$now.value='';
360: send();
361: return false;
362: } else {
363: alert("$mismatchpass");
364: return false;
365: }
366: }
367: </script>
368: ENDSCRIPT
369: return $js;
370: }
371:
372: sub javascript_validmail {
373: my %lt = &Apache::lonlocal::texthash (
374: email => 'The e-mail address you entered',
375: notv => 'is not a valid e-mail address',
376: );
377: my $output = "\n".'<script type="text/javascript">'."\n".
378: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
379: $output .= <<"ENDSCRIPT";
380: function validate_email() {
381: field = document.createaccount.useremail;
382: if (validmail(field) == false) {
383: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
384: return false;
385: } else {
386: var emailaddr = field.value;
387: var lcemail = emailaddr.toLowerCase();
388: if (emailaddr != lcemail) {
389: field.value = lcemail;
390: alert("Learn-Physics usernames are all lower case.\\nAccordingly your username will be "+lcemail+" once activated.");
391: }
392: }
393: return true;
394: }
395: ENDSCRIPT
396: $output .= "\n".'</script>'."\n";
397: return $output;
398: }
399:
400: sub print_username_form {
401: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
402: my %lt = &Apache::lonlocal::texthash(
403: unam => 'username',
404: udom => 'domain',
405: uemail => 'E-mail address in LON-CAPA',
406: proc => 'Proceed');
407: my $output;
408: if (ref($cancreate) eq 'ARRAY') {
409: if (grep(/^login$/,@{$cancreate})) {
410: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
411: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
412: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
413: my $submit_text = &mt('Create LON-CAPA account');
414: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').'<br /><br />'.&mt('Type in your log-in ID and password to find out.').'<br /><br />';
415: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
416: $domain,'createaccount').'</div>';
417: }
418: }
419: if (grep(/^email$/,@{$cancreate})) {
420: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>'.
421: &mt('You are about to sign-up for a Learn Physics account so you can take the pre-requisite test for enrollment in the online course.').'<br />'.
422: &mt('Your performance on the test will help both you and us gauge your readiness to take the course.').'<br />'.
423: &mt('Although the pre-test exam will be the basis for admitting people into the course, we can only accommodate a limited number of students.').'<br />'.
424: &mt('We will e-mail you with instructions on how to access the course by the end of February, if we are able to accommodate you.').'<br />';
425: my $captchaform = &create_recaptcha();
426: if ($captchaform) {
427: my $submit_text = &mt('Sign-up');
428: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
429: if (grep(/^login$/,@{$cancreate})) {
430: $output .= &mt('Provide your e-mail address to sign up for a Learn Physics account if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
431: } else {
432: $output .= '<br />';
433: }
434: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
435: &Apache::lonhtmlcommon::start_pick_box()."\n".
436: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
437: 'LC_pick_box_title')."\n".
438: $emailform."\n".
439: &Apache::lonhtmlcommon::row_closure(1).
440: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
441: 'LC_pick_box_title')."\n".
442: $captchaform."\n".
443: &mt('If either word is hard to read, [_1] will replace them.','<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').'<br /><br />';
444: if ($courseid ne '') {
445: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
446: }
447: $output .= &Apache::lonhtmlcommon::row_closure(1).
448: &Apache::lonhtmlcommon::row_title().'<br />'.
449: '<input type="submit" name="create_with_email" value="'.
450: $submit_text.'" />'.
451: &Apache::lonhtmlcommon::row_closure(1).
452: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
453: if ($courseid ne '') {
454: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
455: }
456: $output .= '</form>';
457: } else {
458: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
459: if ($courseid ne '') {
460: $helpdesk .= '&courseid='.$courseid;
461: }
462: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
463: }
464: $output .= '</div>';
465: }
466: }
467: if ($output eq '') {
468: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
469: } else {
470: $output .= '<div class="LC_clear_float_footer"></div>';
471: }
472: return $output;
473: }
474:
475: sub login_box {
476: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
477: my $output;
478: my %titles = &Apache::lonlocal::texthash(
479: createaccount => 'Log-in ID',
480: selfenroll => 'Username',
481: );
482: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
483: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
484: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
485: $lonhost);
486: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
487: my $unameform = '<input type="text" name="uname" size="20" value="" />';
488: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
489: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
490: '<input type="hidden" name="udom" value="'.$domain.'" />'.
491: &Apache::lonhtmlcommon::start_pick_box()."\n".
492: &Apache::lonhtmlcommon::row_title($titles{$context},
493: 'LC_pick_box_title')."\n".
494: $unameform."\n".
495: &Apache::lonhtmlcommon::row_closure(1)."\n".
496: &Apache::lonhtmlcommon::row_title(&mt('Password'),
497: 'LC_pick_box_title')."\n".
498: $upassform.
499: &Apache::lonhtmlcommon::row_closure(1).
500: &Apache::lonhtmlcommon::row_title().
501: '<br /><input type="submit" name="username_validation" value="'.
502: $submit_text.'" />'."\n";
503: if ($context eq 'selfenroll') {
504: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
505: '<span class="LC_fontsize_medium">'.
506: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
507: '</span></td></tr></table>'."\n";
508: }
509: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
510: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
511: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
512: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
513: '</form>';
514: return $output;
515: }
516:
517: sub process_email_request {
518: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
519: $server,$settings,$courseid) = @_;
520: $useremail = lc($env{'form.useremail'});
521: my $output;
522: if (ref($cancreate) eq 'ARRAY') {
523: if (!grep(/^email$/,@{$cancreate})) {
524: $output = &invalid_state('noemails',$domdesc,
525: $contact_name,$contact_email);
526: return $output;
527: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
528: $output = &invalid_state('baduseremail',$domdesc,
529: $contact_name,$contact_email);
530: return $output;
531: } else {
532: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
533: if ($uhome ne 'no_host') {
534: $output = &invalid_state('existinguser',$domdesc,
535: $contact_name,$contact_email,'',$useremail);
536: return $output;
537: } else {
538: my $captcha = Captcha::reCAPTCHA->new;
539: my $captcha_result =
540: $captcha->check_answer(
541: 'PRIVATEKEY',
542: $ENV{'REMOTE_ADDR'},
543: $env{'form.recaptcha_challenge_field'},
544: $env{'form.recaptcha_response_field'},
545: );
546: # PRIVATE key from https://www.google.com/recaptcha
547: if (!$captcha_result->{is_valid}) {
548: $output = &invalid_state('captcha',$domdesc,$contact_name,
549: $contact_email);
550:
551: return $output;
552: }
553: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
554: if ($uhome eq 'no_host') {
555: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
556: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
557: \%inst_results,\%curr_rules,\%got_rules,'username');
558: if (ref($alerts{'username'}) eq 'HASH') {
559: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
560: if ($alerts{'username'}{$domain}{$useremail}) {
561: $output = &invalid_state('userrules',$domdesc,
562: $contact_name,$contact_email);
563: return $output;
564: }
565: }
566: }
567: my $format_msg =
568: &guest_format_check($useremail,$domain,$cancreate,
569: $settings);
570: if ($format_msg) {
571: $output = &invalid_state('userformat',$domdesc,$contact_name,
572: $contact_email,$format_msg);
573: return $output;
574: }
575: }
576: }
577: }
578: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
579: $contact_email,$courseid);
580: }
581: return $output;
582: }
583:
584: sub call_rulecheck {
585: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
586: $got_rules,$tocheck) = @_;
587: my ($checkhash,$checks);
588: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
589: if ($tocheck eq 'username') {
590: $checks = { 'username' => 1 };
591: }
592: &Apache::loncommon::user_rule_check($checkhash,$checks,
593: $alerts,$rulematch,$inst_results,$curr_rules,
594: $got_rules);
595: return;
596: }
597:
598: sub send_token {
599: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
600: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
601: &mt('Thank you for your request to create a new LON-CAPA account.').
602: '<br /><br />';
603: my $now = time;
604: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
605: 'time' => $now,
606: 'domain' => $domain,
607: 'username' => $email,
608: 'courseid' => $courseid);
609: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
610: if ($token !~ /^error/ && $token ne 'no_such_host') {
611: my $esc_token = &escape($token);
612: my $showtime = localtime(time);
613: my $mailmsg = &mt('A request was submitted on [_1] for creation of a [_1] account.',$showtime,$domdesc)."\n".
614: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
615: "\n\n".&Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
616: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
617: $contact_email);
618: if ($result eq 'ok') {
619: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.&mt('The message includes the web address for the link you will use to complete the sign-up process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
620: } else {
621: $msg .= '<span class="LC_error">'.
622: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
623: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
624: }
625: } else {
626: $msg .= '<span class="LC_error">'.
627: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
628: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
629: }
630: return $msg;
631: }
632:
633: sub process_mailtoken {
634: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
635: $include,$start_page) = @_;
636: my ($msg,$nostart,$noend);
637: my %data = &Apache::lonnet::tmpget($token);
638: my $now = time;
639: if (keys(%data) == 0) {
640: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
641: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
642: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
643: return $msg;
644: }
645: if (($data{'time'} =~ /^\d+$/) &&
646: ($data{'domain'} ne '') &&
647: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
648: if ($now - $data{'time'} < 7200) {
649: if ($env{'form.phase'} eq 'createaccount') {
650: my ($result,$output) = &create_account($r,$domain,$lonhost,
651: $data{'username'},$domdesc);
652: if ($result eq 'ok') {
653: $msg = $output;
654: my $shownow = &Apache::lonlocal::locallocaltime($now);
655: my $mailmsg = &mt('A [_1] account has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
656: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
657: $mailmsg,$contact_name,
658: $contact_email);
659: if ($mailresult eq 'ok') {
660: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
661: } else {
662: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
663: }
664: my %form = &start_session($r,$data{'username'},$domain,
665: $lonhost,$data{'courseid'},
666: $token);
667: $nostart = 1;
668: $noend = 1;
669: } else {
670: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
671: .'<br />'.$output
672: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
673: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
674: }
675: my $delete = &Apache::lonnet::tmpdel($token);
676: } else {
677: $msg .= &mt('Please provide user information and a password for your new account.').'<br />'.&mt('Your password, which must contain at least seven characters, will be sent to the LON-CAPA server in an encrypted form.').'<br />';
678: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
679: $nostart = 1;
680: }
681: } else {
682: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
683: .' '.&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>');
684: }
685: } else {
686: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
687: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
688: }
689: return ($msg,$nostart,$noend);
690: }
691:
692: sub start_session {
693: my ($r,$username,$domain,$lonhost,$courseid,$token) = @_;
694: my %form = (
695: uname => $username,
696: udom => $domain,
697: );
698: my $firsturl = '/adm/roles';
699: if (defined($courseid)) {
700: $courseid = &validate_course($courseid);
701: if ($courseid ne '') {
702: $form{'courseid'} = $courseid;
703: $firsturl = '/adm/selfenroll?courseid='.$courseid;
704: }
705: }
706: if ($r->dir_config('lonBalancer') eq 'yes') {
707: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
708: $lonhost,'noredirect',undef,\%form);
709: if ($token ne '') {
710: my $delete = &Apache::lonnet::tmpdel($token);
711: }
712: $r->internal_redirect('/adm/switchserver');
713: } else {
714: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
715: $lonhost,$firsturl,undef,\%form);
716: }
717: return %form;
718: }
719:
720:
721: sub print_dataentry_form {
722: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
723: my ($error,$output);
724: &print_header($r,$start_page);
725: if (open(my $jsh,"<$include/londes.js")) {
726: while(my $line = <$jsh>) {
727: $r->print($line);
728: }
729: close($jsh);
730: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
731: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
732: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
733: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
734: $lonhost);
735: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
736: my ($datatable,$rowcount) =
737: &Apache::loncreateuser::personal_data_display($username,$domain,
738: 'email','selfcreate');
739: if ($rowcount) {
740: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
741: } else {
742: $output .= $formtag;
743: }
744: $output .= <<"ENDSERVERFORM";
745: <input type="hidden" name="logtoken" value="$logtoken" />
746: <input type="hidden" name="token" value="$mailtoken" />
747: <input type="hidden" name="serverid" value="$lonhost" />
748: <input type="hidden" name="uname" value="" />
749: <input type="hidden" name="upass" value="" />
750: <input type="hidden" name="udom" value="" />
751: <input type="hidden" name="phase" value="createaccount" />
752: </form>
753: ENDSERVERFORM
754: if ($rowcount) {
755: $output .= '</div>'.
756: '<div class="LC_left_float">';
757: }
758: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
759: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
760: my $submit_text = &mt('Create LON-CAPA account');
761: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
762: '<form name="client" method="post" action="" '.
763: 'onsubmit="return checkpass();">'."\n".
764: &Apache::lonhtmlcommon::start_pick_box()."\n".
765: &Apache::lonhtmlcommon::row_title(&mt('Username'),
766: 'LC_pick_box_title',
767: 'LC_oddrow_value')."\n".
768: $username."\n".
769: &Apache::lonhtmlcommon::row_closure(1)."\n".
770: &Apache::lonhtmlcommon::row_title(&mt('Password'),
771: 'LC_pick_box_title',
772: 'LC_oddrow_value')."\n".
773: $upassone."\n".
774: &Apache::lonhtmlcommon::row_closure(1)."\n".
775: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
776: 'LC_pick_box_title',
777: 'LC_oddrow_value')."\n".
778: $upasstwo.
779: &Apache::lonhtmlcommon::row_closure(1)."\n".
780: &Apache::lonhtmlcommon::row_title()."\n".
781: '<br /><input type="submit" name="createaccount" value="'.
782: $submit_text.'" />'.
783: &Apache::lonhtmlcommon::row_closure(1)."\n".
784: &Apache::lonhtmlcommon::end_pick_box()."\n".
785: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
786: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
787: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
788: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
789: '</form>';
790: if ($rowcount) {
791: $output .= '</div>'."\n".
792: '<div class="LC_clear_float_footer"></div>'."\n";
793: }
794: } else {
795: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
796: }
797: return $output;
798: }
799:
800: sub get_creation_controls {
801: my ($domain,$usercreation) = @_;
802: my (@cancreate,@statustocreate);
803: if (ref($usercreation) eq 'HASH') {
804: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
805: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
806: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
807: if (@statustocreate == 0) {
808: my ($othertitle,$usertypes,$types) =
809: &Apache::loncommon::sorted_inst_types($domain);
810: if (ref($types) eq 'ARRAY') {
811: if (@{$types} == 0) {
812: @statustocreate = ('default');
813: }
814: } else {
815: @statustocreate = ('default');
816: }
817: }
818: } else {
819: @statustocreate = ('default');
820: my ($othertitle,$usertypes,$types) =
821: &Apache::loncommon::sorted_inst_types($domain);
822: if (ref($types) eq 'ARRAY') {
823: push(@statustocreate,@{$types});
824: }
825: }
826: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
827: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
828: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
829: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
830: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
831: }
832: }
833: }
834: return (\@cancreate,\@statustocreate);
835: }
836:
837: sub create_account {
838: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
839: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
840: $env{'form.serverid'});
841: # Error messages
842: my $error = '<span class="LC_error">'.&mt('Error:').' ';
843: my $end = '</span><br /><br />';
844: my $rtnlink = '<a href="javascript:history.back();" />'.
845: &mt('Return to previous page').'</a>'.
846: &Apache::loncommon::end_page();
847: if ($retrieved eq 'ok') {
848: if ($env{'form.courseid'} ne '') {
849: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
850: if ($result eq 'fail') {
851: $output = $error.&mt('Invalid ID format').$end.
852: $userchkmsg.$rtnlink;
853: return ('fail',$output);
854: }
855: }
856: } else {
857: return ('fail',$error.$output.$end.$rtnlink);
858: }
859: # Call modifyuser
860: my $result =
861: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
862: 'internal',$upass,$env{'form.cfirstname'},
863: $env{'form.cmiddlename'},$env{'form.clastname'},
864: $env{'form.cgeneration'},undef,undef,$username);
865: $output = &mt('Generating user: [_1]',$result);
866: my $uhome = &Apache::lonnet::homeserver($username,$domain);
867: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
868: &Apache::lonnet::hostname($uhome).'<br /><br />';
869: return ('ok',$output);
870: }
871:
872: sub username_validation {
873: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
874: $lonhost,$statustocreate) = @_;
875: my ($retrieved,$output,$upass);
876:
877: $username= &LONCAPA::clean_username($username);
878: $domain = &LONCAPA::clean_domain($domain);
879: my $uhome = &Apache::lonnet::homeserver($username,$domain);
880:
881: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
882: $env{'form.serverid'});
883: if ($retrieved ne 'ok') {
884: return ('fail',$output);
885: }
886: if ($uhome ne 'no_host') {
887: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
888: if ($result ne 'no_host') {
889: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
890: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
891: return ('existingaccount',$output);
892: } else {
893: $output = &login_failure_msg($courseid);
894: }
895: } else {
896: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
897: my $authok;
898: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
899: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
900: my $checkdefauth = 1;
901: $authok =
902: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
903: } else {
904: $authok = 'non_authorized';
905: }
906: if ($authok eq 'authorized') {
907: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
908: $contact_email,$contact_name,undef,
909: $statustocreate);
910: } else {
911: $output = &login_failure_msg($courseid);
912: }
913: }
914: return ('ok',$output);
915: }
916:
917: sub login_failure_msg {
918: my ($courseid) = @_;
919: my $url;
920: if ($courseid ne '') {
921: $url = "/adm/selfenroll?courseid=".$courseid;
922: } else {
923: $url = "/adm/createaccount";
924: }
925: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
926: &mt('Username and/or password could not be authenticated.').
927: '</div>'.
928: &mt('Please check the username and password.').'<br /><br />';
929: '<a href="'.$url.'">'.&mt('Try again').'</a>';
930: return $output;
931: }
932:
933: sub username_check {
934: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
935: $contact_name,$sso_logout,$statustocreate) = @_;
936: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
937: %alerts,%curr_rules,%got_rules);
938: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
939: \%inst_results,\%curr_rules,\%got_rules,'username');
940: if (ref($alerts{'username'}) eq 'HASH') {
941: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
942: if ($alerts{'username'}{$domain}{$username}) {
943: if (ref($curr_rules{$domain}) eq 'HASH') {
944: $output =
945: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
946: 'selfcreate').
947: &Apache::loncommon::user_rule_formats($domain,$domdesc,
948: $curr_rules{$domain}{'username'},'username');
949: }
950: $checkfail = 'username';
951: }
952: }
953: }
954: if (!$checkfail) {
955: if (ref($statustocreate) eq 'ARRAY') {
956: $checkfail = 'inststatus';
957: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
958: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
959: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
960: undef($checkfail);
961: last;
962: }
963: }
964: } elsif (grep(/^default$/,@{$statustocreate})) {
965: undef($checkfail);
966: }
967: }
968: }
969: if (!$checkfail) {
970: $output = '<form method="post" action="/adm/createaccount">';
971: (my $datatable,$rowcount,$editable) =
972: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
973: $inst_results{$username.':'.$domain});
974: if ($rowcount > 0) {
975: $output .= $datatable;
976: }
977: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
978: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
979: '<input type="hidden" name="phase" value="username_activation" />';
980: my $now = time;
981: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
982: 'time' => $now,
983: 'domain' => $domain,
984: 'username' => $username);
985: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
986: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
987: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
988: } else {
989: $output = &mt('An error occurred when storing a token').'<br />'.
990: &mt('You will not be able to proceed to the next stage of account creation').
991: &linkto_email_help($contact_email,$domdesc);
992: $checkfail = 'authtoken';
993: }
994: }
995: if ($checkfail) {
996: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
997: if ($checkfail eq 'username') {
998: $msg .= '<span class="LC_warning">'.
999: &mt('A LON-CAPA account may not be created with the username you use.').
1000: '</span><br /><br />'.$output;
1001: } elsif ($checkfail eq 'authtoken') {
1002: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1003: '<br />'.$output;
1004: } elsif ($checkfail eq 'inststatus') {
1005: $msg .= '<span class="LC_warning">'.
1006: &mt('You are not permitted to create a LON-CAPA account.').
1007: '</span><br /><br />'.$output;
1008: }
1009: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1010: $contact_name,$contact_email).'<br /><hr />'.
1011: $sso_logout;
1012: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1013: } else {
1014: if ($courseid ne '') {
1015: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1016: }
1017: $output .= '<input type="submit" name="newaccount" value="'.
1018: &mt('Create LON-CAPA account').'" /></form>';
1019: if ($rowcount) {
1020: if ($editable) {
1021: if ($courseid ne '') {
1022: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1023: }
1024: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1025: } else {
1026: if ($courseid ne '') {
1027: $msg = '<h4>'.&mt('Review user information').'</h4>';
1028: }
1029: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1030: }
1031: } else {
1032: if ($courseid ne '') {
1033: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1034: }
1035: $msg .= &mt('Confirm that you wish to create an account.');
1036: }
1037: $msg .= $output;
1038: }
1039: return $msg;
1040: }
1041:
1042: sub username_activation {
1043: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1044: my $output;
1045: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1046: my $end = '</span><br /><br />';
1047: my $rtnlink = '<a href="javascript:history.back();" />'.
1048: &mt('Return to previous page').'</a>'.
1049: &Apache::loncommon::end_page();
1050: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1051: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1052: my $now = time;
1053: my $earlyout;
1054: my $timeout = 300;
1055: if (keys(%data) == 0) {
1056: $output = &mt('Sorry, your authentication has expired.');
1057: $earlyout = 'fail';
1058: }
1059: if (($data{'time'} !~ /^\d+$/) ||
1060: ($data{'domain'} ne $domain) ||
1061: ($data{'username'} ne $username)) {
1062: $earlyout = 'fail';
1063: $output = &mt('The credentials you provided could not be verified.');
1064: } elsif ($now - $data{'time'} > $timeout) {
1065: $earlyout = 'fail';
1066: $output = &mt('Sorry, your authentication has expired.');
1067: }
1068: if ($earlyout ne '') {
1069: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1070: return($earlyout,$output);
1071: }
1072: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1073: ($domdefaults{'auth_arg_def'} ne '')) ||
1074: ($domdefaults{'auth_def'} eq 'localauth')) {
1075: if ($env{'form.courseid'} ne '') {
1076: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1077: if ($result eq 'fail') {
1078: $output = $error.&mt('Invalid ID format').$end.
1079: $userchkmsg.$rtnlink;
1080: return ('fail',$output);
1081: }
1082: }
1083: # Call modifyuser
1084: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1085: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1086: \%inst_results,\%curr_rules,\%got_rules);
1087: my @userinfo = ('firstname','middlename','lastname','generation',
1088: 'permanentemail','id');
1089: my %canmodify =
1090: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1091: \@userinfo,\%inst_results);
1092: foreach my $item (@userinfo) {
1093: if ($canmodify{$item}) {
1094: $info{$item} = $env{'form.c'.$item};
1095: } else {
1096: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1097: }
1098: }
1099: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1100: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1101: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1102: }
1103: my $result =
1104: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1105: $domdefaults{'auth_def'},
1106: $domdefaults{'auth_arg_def'},$info{'firstname'},
1107: $info{'middlename'},$info{'lastname'},
1108: $info{'generation'},undef,undef,
1109: $info{'permanentemail'},$info{'inststatus'});
1110: if ($result eq 'ok') {
1111: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1112: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1113: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
1114: my $nostart = 1;
1115: return ('ok',$output,$nostart);
1116: } else {
1117: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1118: return ('fail',$output);
1119: }
1120: } else {
1121: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1122: return('fail',$output);
1123: }
1124: }
1125:
1126: sub check_id {
1127: my ($username,$domain,$domdesc) = @_;
1128: # Check ID format
1129: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1130: my %checks = ('id' => 1);
1131: %{$checkhash{$username.':'.$domain}} = (
1132: 'newuser' => 1,
1133: 'id' => $env{'form.cid'},
1134: );
1135: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1136: \%rulematch,\%inst_results,\%curr_rules);
1137: if (ref($alerts{'id'}) eq 'HASH') {
1138: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1139: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1140: my $userchkmsg;
1141: if (ref($curr_rules{$domain}) eq 'HASH') {
1142: $userchkmsg =
1143: &Apache::loncommon::instrule_disallow_msg('id',
1144: $domdesc,1).
1145: &Apache::loncommon::user_rule_formats($domain,
1146: $domdesc,$curr_rules{$domain}{'id'},'id');
1147: }
1148: return ('fail',$userchkmsg);
1149: }
1150: }
1151: }
1152: return;
1153: }
1154:
1155: sub invalid_state {
1156: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1157: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1158: if ($error eq 'baduseremail') {
1159: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1160: } elsif ($error eq 'existinguser') {
1161: my $uname = &HTML::Entities::encode($useremail);
1162: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1163: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1164: '<li>'.&mt('or, if you do not remember your password, visit the "[_1]Forgot your password?[_2]" page.','<a href="/adm/resetpw?uname='.$uname.'&useremail='.$uname.'&referrer=createaccount">','</a>').
1165: '</li></ul>';
1166: } elsif ($error eq 'userrules') {
1167: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1168: } elsif ($error eq 'userformat') {
1169: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1170: } elsif ($error eq 'captcha') {
1171: $msg .= &mt('Validation of the code you entered failed.');
1172: } elsif ($error eq 'noemails') {
1173: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1174: }
1175: $msg .= '</span>';
1176: if ($msgtext) {
1177: $msg .= '<br />'.$msgtext;
1178: }
1179: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1180: return $msg;
1181: }
1182:
1183: sub linkto_email_help {
1184: my ($contact_email,$domdesc,$error) = @_;
1185: my $msg;
1186: my $href = '/adm/helpdesk';
1187: if ($contact_email ne '') {
1188: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1189: $href .= '?origurl='.$escuri;
1190: if ($error eq 'existinguser') {
1191: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1192: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1193: }
1194: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1195: } else {
1196: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1197: }
1198: return $msg;
1199: }
1200:
1201: sub create_recaptcha {
1202: my $captcha = Captcha::reCAPTCHA->new;
1203: # generate PUBLICKEY from https://www.google.com/recaptcha
1204: return $captcha->get_options_setter({theme => 'white'})."\n".
1205: $captcha->get_html('PUBLICKEY');
1206: }
1207:
1208: sub getkeys {
1209: my ($lkey,$ukey) = @_;
1210: my $lextkey=hex($lkey);
1211: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1212:
1213: my $uextkey=hex($ukey);
1214: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1215: return ($lextkey,$uextkey);
1216: }
1217:
1218: sub serverform {
1219: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1220: my $phase = 'username_validation';
1221: my $catalog_elements;
1222: if ($context eq 'selfenroll') {
1223: $phase = 'selfenroll_login';
1224: }
1225: if ($courseid ne '') {
1226: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1227: }
1228: my $output = <<ENDSERVERFORM;
1229: <form name="server" method="post" action="/adm/createaccount">
1230: <input type="hidden" name="logtoken" value="$logtoken" />
1231: <input type="hidden" name="token" value="$mailtoken" />
1232: <input type="hidden" name="serverid" value="$lonhost" />
1233: <input type="hidden" name="uname" value="" />
1234: <input type="hidden" name="upass" value="" />
1235: <input type="hidden" name="udom" value="" />
1236: <input type="hidden" name="phase" value="$phase" />
1237: <input type="hidden" name="courseid" value="$courseid" />
1238: $catalog_elements
1239: </form>
1240: ENDSERVERFORM
1241: return $output;
1242: }
1243:
1244: sub process_credentials {
1245: my ($logtoken,$lonhost) = @_;
1246: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1247: my ($retrieved,$output,$upass);
1248: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1249: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1250: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1251: return ($retrieved,$output,$upass);
1252: } else {
1253: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1254: if ($reply eq 'ok') {
1255: $retrieved = 'ok';
1256: } else {
1257: $output = &mt('Session could not be opened.');
1258: }
1259: }
1260: my ($key,$caller)=split(/&/,$tmpinfo);
1261: if ($caller eq 'createaccount') {
1262: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1263: } else {
1264: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1265: }
1266: return ($retrieved,$output,$upass);
1267: }
1268:
1269: sub guest_format_check {
1270: my ($useremail,$domain,$cancreate,$settings) = @_;
1271: my ($login,$format_match,$format_msg,@user_rules);
1272: if (ref($settings) eq 'HASH') {
1273: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1274: push(@user_rules,@{$settings->{'email_rule'}});
1275: }
1276: }
1277: if (@user_rules > 0) {
1278: my %rule_check =
1279: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1280: 'selfcreate',\@user_rules);
1281: if (keys(%rule_check) > 0) {
1282: foreach my $item (keys(%rule_check)) {
1283: if ($rule_check{$item}) {
1284: $format_match = 1;
1285: last;
1286: }
1287: }
1288: }
1289: }
1290: if ($format_match) {
1291: ($login) = ($useremail =~ /^([^\@]+)\@/);
1292: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1293: if (ref($cancreate) eq 'ARRAY') {
1294: if (grep(/^login$/,@{$cancreate})) {
1295: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1296: }
1297: }
1298: }
1299: return $format_msg;
1300: }
1301:
1302: sub sso_logout_frag {
1303: my ($r,$domain) = @_;
1304: my $endsessionmsg;
1305: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1306: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1307: if (-e $msgfile) {
1308: open(my $fh,"<$msgfile");
1309: $endsessionmsg = join('',<$fh>);
1310: close($fh);
1311: }
1312: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1313: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1314: if (-e $msgfile) {
1315: open(my $fh,"<$msgfile");
1316: $endsessionmsg = join('',<$fh>);
1317: close($fh);
1318: }
1319: }
1320: return $endsessionmsg;
1321: }
1322:
1323: sub catreturn_js {
1324: return <<"ENDSCRIPT";
1325: <script type="text/javascript">
1326:
1327: function ToSelfenroll(formname) {
1328: var formidx = getFormByName(formname);
1329: if (formidx > -1) {
1330: document.forms[formidx].action = '/adm/selfenroll';
1331: numidx = getIndexByName(formidx,'phase');
1332: if (numidx > -1) {
1333: document.forms[formidx].elements[numidx].value = '';
1334: }
1335: numidx = getIndexByName(formidx,'context');
1336: if (numidx > -1) {
1337: document.forms[formidx].elements[numidx].value = '';
1338: }
1339: }
1340: document.forms[formidx].submit();
1341: }
1342:
1343: function ToCatalog(formname,caller) {
1344: var formidx = getFormByName(formname);
1345: if (formidx > -1) {
1346: document.forms[formidx].action = '/adm/coursecatalog';
1347: numidx = getIndexByName(formidx,'coursenum');
1348: if (numidx > -1) {
1349: if (caller != 'details') {
1350: document.forms[formidx].elements[numidx].value = '';
1351: }
1352: }
1353: }
1354: document.forms[formidx].submit();
1355: }
1356:
1357: function getIndexByName(formidx,item) {
1358: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1359: if (document.forms[formidx].elements[i].name == item) {
1360: return i;
1361: }
1362: }
1363: return -1;
1364: }
1365:
1366: function getFormByName(item) {
1367: for (var i=0; i<document.forms.length; i++) {
1368: if (document.forms[i].name == item) {
1369: return i;
1370: }
1371: }
1372: return -1;
1373: }
1374:
1375: </script>
1376: ENDSCRIPT
1377:
1378: }
1379:
1380: 1;
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