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 1.40.2.5.2.17 2012/05/01 16:09:26 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: my $privkey = $r->dir_config('reCAPTCHA_PRIVATE');
61: my $pubkey = $r->dir_config('reCAPTCHA_PUBLIC');
62:
63: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token','courseid']);
64: &Apache::lonacc::get_posted_cgi($r);
65: &Apache::lonlocal::get_language_handle($r);
66:
67: if ($sso_username ne '' && $sso_domain ne '') {
68: $domain = $sso_domain;
69: } else {
70: $domain = &Apache::lonnet::default_login_domain();
71: if (defined($env{'form.courseid'})) {
72: if (&validate_course($env{'form.courseid'})) {
73: if ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/) {
74: $domain = $1;
75: }
76: }
77: }
78: }
79: my $domdesc = &Apache::lonnet::domain($domain,'description');
80: my $contact_name = &mt('LON-CAPA helpdesk');
81: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
82: my $contacts =
83: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
84: $domain,$origmail);
85: my ($contact_email) = split(',',$contacts);
86: my $lonhost = $r->dir_config('lonHostID');
87: my $include = $r->dir_config('lonIncludes');
88: my $start_page;
89:
90: my $handle = &Apache::lonnet::check_for_valid_session($r);
91: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
92: $start_page =
93: &Apache::loncommon::start_page('Already logged in');
94: my $end_page =
95: &Apache::loncommon::end_page();
96: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
97: '<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>').
98: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
99: return OK;
100: }
101:
102: my ($js,$courseid,$title);
103: if (defined($env{'form.courseid'})) {
104: $courseid = &validate_course($env{'form.courseid'});
105: if (($courseid eq 'relate_3H121116c19344ff3relatel1') ||
106: ($courseid eq 'relate_3e100973b27484f2drelatel1')) {
107: $courseid = 'relate_2764113e81b9e4f0crelatel1';
108: }
109: }
110: if ($courseid ne '') {
111: $js = &catreturn_js();
112: $title = 'Self-enroll in a LON-CAPA course';
113: } else {
114: $title = 'Create a user account in LON-CAPA';
115: }
116: if ($env{'form.phase'} eq 'selfenroll_login') {
117: $title = 'Self-enroll in a LON-CAPA course';
118: if ($env{'form.udom'} ne '') {
119: $domain = $env{'form.udom'};
120: }
121:
122: my %domconfig =
123: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
124: my ($cancreate,$statustocreate) =
125: &get_creation_controls($domain,$domconfig{'usercreation'});
126:
127: my ($result,$output) =
128: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
129: $contact_name,$contact_email,$courseid,
130: $lonhost,$statustocreate);
131: if ($result eq 'existingaccount') {
132: $r->print($output);
133: &print_footer($r);
134: return OK;
135: } else {
136: $start_page =
137: &Apache::loncommon::start_page($title,$js,
138: {'no_inline_link' => 1,});
139: &print_header($r,$start_page,$courseid);
140: $r->print($output);
141: &print_footer($r);
142: return OK;
143: }
144: }
145: $start_page =
146: &Apache::loncommon::start_page($title,$js,
147: {'no_inline_link' => 1,});
148: my %domconfig =
149: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
150: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
151: if (@{$cancreate} == 0) {
152: &print_header($r,$start_page,$courseid);
153: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
154: '<span class="LC_warning">'.
155: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted for [_1].',$domdesc).'</span><br /><br />';
156: $r->print($output);
157: &print_footer($r);
158: return OK;
159: }
160:
161: if ($sso_username ne '') {
162: &print_header($r,$start_page,$courseid);
163: my ($msg,$sso_logout);
164: $sso_logout = &sso_logout_frag($r,$domain);
165: if (grep(/^sso$/,@{$cancreate})) {
166: $msg = '<h3>'.&mt('Account creation').'</h3>'.
167: &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 />';
168:
169: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
170: $lonhost,$contact_email,$contact_name,
171: $sso_logout,$statustocreate);
172: } else {
173: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
174: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
175: $sso_logout;
176: }
177: $r->print($msg);
178: &print_footer($r);
179: return OK;
180: }
181:
182: my ($output,$nostart,$noend);
183: my $token = $env{'form.token'};
184: if ($token) {
185: ($output,$nostart,$noend) =
186: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
187: $domdesc,$lonhost,$include,$start_page);
188: if ($nostart) {
189: if ($noend) {
190: return OK;
191: } else {
192: $r->print($output);
193: &print_footer($r);
194: return OK;
195: }
196: } else {
197: &print_header($r,$start_page,$courseid);
198: $r->print($output);
199: &print_footer($r);
200: return OK;
201: }
202: }
203:
204: if ($env{'form.phase'} eq 'username_activation') {
205: (my $result,$output,$nostart) =
206: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
207: $lonhost,$courseid);
208: if ($result eq 'ok') {
209: if ($nostart) {
210: return OK;
211: }
212: }
213: &print_header($r,$start_page,$courseid);
214: $r->print($output);
215: &print_footer($r);
216: return OK;
217: } elsif ($env{'form.phase'} eq 'username_validation') {
218: (my $result,$output) =
219: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
220: $contact_name,$contact_email,$courseid,
221: $lonhost,$statustocreate);
222: if ($result eq 'existingaccount') {
223: $r->print($output);
224: &print_footer($r);
225: return OK;
226: } else {
227: &print_header($r,$start_page,$courseid);
228: }
229: } elsif ($env{'form.create_with_email'}) {
230: &print_header($r,$start_page,$courseid);
231: $output = &process_email_request($env{'form.useremail'},$domain,$domdesc,
232: $contact_name,$contact_email,$cancreate,
233: $lonhost,$domconfig{'usercreation'},
234: $courseid,$privkey);
235: } elsif (!$token) {
236: &print_header($r,$start_page,$courseid);
237: my $now=time;
238: if (grep(/^login$/,@{$cancreate})) {
239: my $jsh=Apache::File->new($include."/londes.js");
240: $r->print(<$jsh>);
241: $r->print(&javascript_setforms($now));
242: }
243: if (grep(/^email$/,@{$cancreate})) {
244: $r->print(&javascript_validmail());
245: }
246: $output = &print_username_form($domain,$domdesc,$cancreate,$now,$lonhost,
247: $courseid,$pubkey);
248: }
249: $r->print($output);
250: &print_footer($r);
251: return OK;
252: }
253:
254: sub get_custom_name {
255: my ($domain) = @_;
256: if ($domain eq 'relate') {
257: return 'Mechanics Online';
258: } else {
259: return lc($domain);
260: }
261: }
262:
263: sub print_header {
264: my ($r,$start_page,$courseid) = @_;
265: $r->print($start_page);
266: &Apache::lonhtmlcommon::clear_breadcrumbs();
267: if ($courseid ne '') {
268: my %coursehash = &Apache::lonnet::coursedescription($courseid);
269: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
270: }
271: &Apache::lonhtmlcommon::add_breadcrumb
272: ({href=>"/adm/createuser",
273: text=>"New username"});
274: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
275: return;
276: }
277:
278: sub print_footer {
279: my ($r) = @_;
280: if ($env{'form.courseid'} ne '') {
281: $r->print('<form name="backupcrumbs" method="post" action="">'.
282: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
283: 'token','serverid','uname','upass','phase','create_with_email',
284: 'code','useremail','crypt','cfirstname','clastname',
285: 'cmiddlename','cgeneration','cpermanentemail','cid']).
286: '</form>');
287: }
288: $r->print(&Apache::loncommon::end_page());
289: }
290:
291: sub selfenroll_crumbs {
292: my ($r,$courseid,$desc) = @_;
293: &Apache::lonhtmlcommon::add_breadcrumb
294: ({href=>"javascript:ToCatalog('backupcrumbs','')",
295: text=>"Course/Community Catalog"});
296: if ($env{'form.coursenum'} ne '') {
297: &Apache::lonhtmlcommon::add_breadcrumb
298: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
299: text=>"Course details"});
300: }
301: my $last_crumb;
302: if ($desc ne '') {
303: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
304: } else {
305: $last_crumb = &mt('Self-enroll');
306: }
307: &Apache::lonhtmlcommon::add_breadcrumb
308: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
309: text=>$last_crumb,
310: no_mt=>"1"});
311: return;
312: }
313:
314: sub validate_course {
315: my ($courseid) = @_;
316: my ($cdom,$cnum) = ($courseid =~ /^($match_domain)_($match_courseid)$/);
317: if (($cdom ne '') && ($cnum ne '')) {
318: if (&Apache::lonnet::is_course($cdom,$cnum)) {
319: return ($courseid);
320: }
321: }
322: return;
323: }
324:
325: sub javascript_setforms {
326: my ($now) = @_;
327: my $js = <<ENDSCRIPT;
328: <script type="text/javascript" language="JavaScript">
329: function send() {
330: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
331: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
332: uextkey=this.document.client.elements.uextkey.value;
333: lextkey=this.document.client.elements.lextkey.value;
334: initkeys();
335:
336: this.document.server.elements.upass.value
337: = crypted(this.document.client.elements.upass$now.value);
338:
339: this.document.client.elements.uname.value='';
340: this.document.client.elements.upass$now.value='';
341:
342: this.document.server.submit();
343: return false;
344: }
345: </script>
346: ENDSCRIPT
347: return $js;
348: }
349:
350: sub javascript_checkpass {
351: my ($now) = @_;
352: my $nopass = &mt('You must enter a password.');
353: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
354: &mt('Please try again.');
355: my $js = <<"ENDSCRIPT";
356: <script type="text/javascript" language="JavaScript">
357: function checkpass() {
358: var upass = this.document.client.elements.upass$now.value;
359: var upasscheck = this.document.client.elements.upasscheck$now.value;
360: if (upass == '') {
361: alert("$nopass");
362: return false;
363: }
364: if (upass == upasscheck) {
365: this.document.client.elements.upasscheck$now.value='';
366: send();
367: return false;
368: } else {
369: alert("$mismatchpass");
370: return false;
371: }
372: }
373: </script>
374: ENDSCRIPT
375: return $js;
376: }
377:
378: sub javascript_validmail {
379: my %lt = &Apache::lonlocal::texthash (
380: email => 'The e-mail address you entered',
381: notv => 'is not a valid e-mail address',
382: );
383: my $output = "\n".'<script type="text/javascript">'."\n".
384: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
385: $output .= <<"ENDSCRIPT";
386: function validate_email() {
387: field = document.createaccount.useremail;
388: if (validmail(field) == false) {
389: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
390: return false;
391: } else {
392: var emailaddr = field.value;
393: var lcemail = emailaddr.toLowerCase();
394: if (emailaddr != lcemail) {
395: field.value = lcemail;
396: alert("Mechanics Online usernames are all lower case.\\nAccordingly your username will be "+lcemail+" once activated.");
397: }
398: }
399: return true;
400: }
401: ENDSCRIPT
402: $output .= "\n".'</script>'."\n";
403: return $output;
404: }
405:
406: sub print_username_form {
407: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid,$pubkey) = @_;
408: my %lt = &Apache::lonlocal::texthash (
409: unam => 'username',
410: udom => 'domain',
411: uemail => 'E-mail address in LON-CAPA',
412: proc => 'Proceed',
413: crea => 'Create account with a username provided by this institution',
414: crlc => 'Create LON-CAPA account',
415: type => 'Type in your log-in ID and password to find out.',
416: plse => 'Please enter a valid e-mail address below.',
417: inst => 'Instructions on how to activate your account will be sent to the e-mail address you provide.',
418: aftr => 'After completing the activation process you will be directed to the course.',
419: ther => 'There you will have access to a "self test" that will help you assess your readiness for the course.',
420: ywil => 'You will also have access to introductory material and to the course schedule and policies.',
421: yous => 'Your user id for the course is your email address.',
422: );
423: my $output;
424: if (ref($cancreate) eq 'ARRAY') {
425: if (grep(/^login$/,@{$cancreate})) {
426: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
427: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
428: $output = '<div class="LC_left_float"><h3>'.$lt{'crea'}.'</h3>';
429: my $submit_text = $lt{'crlc'};
430: $output .= &mt('If you already have a log-in ID at this institution,[_1] you may be able to use it for LON-CAPA.','<br />').
431: '<br /><br />'.$lt{'type'}.'<br /><br />';
432: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
433: $domain,'createaccount').'</div>';
434: }
435: }
436: if (grep(/^email$/,@{$cancreate})) {
437: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>'.
438: '<p class="LC_info">'.
439: &mt('You are about to sign-up for the [_1]Mechanics Online[_2] course.','<em>','</em>').'<br />'.
440: $lt{'plse'}.'</p><ul>'.
441: '<li>'.$lt{'inst'}.'</li>'.
442: '<li>'.$lt{'aftr'}.'<br />'.$lt{'ther'}.'<br />'.
443: $lt{'ywil'}.'</li>'.
444: '<li>'.$lt{'yous'}.'</li></ul>';
445: my $captchaform = &create_recaptcha($pubkey);
446: if ($captchaform) {
447: my $submit_text = &mt('Sign-up');
448: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
449: if (grep(/^login$/,@{$cancreate})) {
450: $output .= &mt('Provide your e-mail address to sign up for a Mechanics Online account [_1]if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
451: } else {
452: $output .= '<br />';
453: }
454: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
455: &Apache::lonhtmlcommon::start_pick_box()."\n".
456: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
457: 'LC_pick_box_title')."\n".
458: $emailform."\n".
459: &Apache::lonhtmlcommon::row_closure(1).
460: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
461: 'LC_pick_box_title')."\n".
462: $captchaform."\n".
463: &mt('If either word is hard to read, [_1] will replace them.','<image src="/res/adm/pages/refresh.gif" alt="reCAPTCHA refresh" />').'<br /><br />';
464: if ($courseid ne '') {
465: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
466: }
467: $output .= &Apache::lonhtmlcommon::row_closure(1).
468: &Apache::lonhtmlcommon::row_title().'<br />'.
469: '<input type="submit" name="create_with_email" value="'.
470: $submit_text.'" />'.
471: &Apache::lonhtmlcommon::row_closure(1).
472: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
473: if ($courseid ne '') {
474: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
475: }
476: $output .= '</form>';
477: } else {
478: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
479: if ($courseid ne '') {
480: $helpdesk .= '&courseid='.$courseid;
481: }
482: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
483: }
484: $output .= '</div>';
485: }
486: }
487: if ($output eq '') {
488: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
489: } else {
490: $output .= '<div class="LC_clear_float_footer"></div>';
491: }
492: return $output;
493: }
494:
495: sub login_box {
496: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
497: my $output;
498: my %titles = &Apache::lonlocal::texthash(
499: createaccount => 'Log-in ID',
500: selfenroll => 'Username',
501: );
502: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
503: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
504: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
505: $lonhost);
506: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
507: my $unameform = '<input type="text" name="uname" size="20" value="" />';
508: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
509: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
510: '<input type="hidden" name="udom" value="'.$domain.'" />'.
511: &Apache::lonhtmlcommon::start_pick_box()."\n".
512: &Apache::lonhtmlcommon::row_title($titles{$context},
513: 'LC_pick_box_title')."\n".
514: $unameform."\n".
515: &Apache::lonhtmlcommon::row_closure(1)."\n".
516: &Apache::lonhtmlcommon::row_title(&mt('Password'),
517: 'LC_pick_box_title')."\n".
518: $upassform.
519: &Apache::lonhtmlcommon::row_closure(1).
520: &Apache::lonhtmlcommon::row_title().
521: '<br /><input type="submit" name="username_validation" value="'.
522: $submit_text.'" />'."\n";
523: if ($context eq 'selfenroll') {
524: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
525: '<span class="LC_fontsize_medium">'.
526: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
527: '</span></td></tr></table>'."\n";
528: }
529: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
530: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
531: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
532: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
533: '</form>';
534: return $output;
535: }
536:
537: sub process_email_request {
538: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
539: $server,$settings,$courseid,$privkey) = @_;
540: $useremail = lc($env{'form.useremail'});
541: my $output;
542: if (ref($cancreate) eq 'ARRAY') {
543: if (!grep(/^email$/,@{$cancreate})) {
544: $output = &invalid_state('noemails',$domdesc,
545: $contact_name,$contact_email);
546: return $output;
547: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
548: $output = &invalid_state('baduseremail',$domdesc,
549: $contact_name,$contact_email);
550: return $output;
551: } else {
552: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
553: if ($uhome ne 'no_host') {
554: $output = &invalid_state('existinguser',$domdesc,
555: $contact_name,$contact_email,'',$useremail);
556: return $output;
557: } else {
558: my $captcha = Captcha::reCAPTCHA->new;
559: my $captcha_result =
560: $captcha->check_answer(
561: $privkey,
562: $ENV{'REMOTE_ADDR'},
563: $env{'form.recaptcha_challenge_field'},
564: $env{'form.recaptcha_response_field'},
565: );
566: # PRIVATE key from https://www.google.com/recaptcha
567: if (!$captcha_result->{is_valid}) {
568: $output = &invalid_state('captcha',$domdesc,$contact_name,
569: $contact_email);
570:
571: return $output;
572: }
573: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
574: if ($uhome eq 'no_host') {
575: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
576: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
577: \%inst_results,\%curr_rules,\%got_rules,'username');
578: if (ref($alerts{'username'}) eq 'HASH') {
579: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
580: if ($alerts{'username'}{$domain}{$useremail}) {
581: $output = &invalid_state('userrules',$domdesc,
582: $contact_name,$contact_email);
583: return $output;
584: }
585: }
586: }
587: my $format_msg =
588: &guest_format_check($useremail,$domain,$cancreate,
589: $settings);
590: if ($format_msg) {
591: $output = &invalid_state('userformat',$domdesc,$contact_name,
592: $contact_email,$format_msg);
593: return $output;
594: }
595: }
596: }
597: }
598: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
599: $contact_email,$courseid);
600: }
601: return $output;
602: }
603:
604: sub call_rulecheck {
605: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
606: $got_rules,$tocheck) = @_;
607: my ($checkhash,$checks);
608: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
609: if ($tocheck eq 'username') {
610: $checks = { 'username' => 1 };
611: }
612: &Apache::loncommon::user_rule_check($checkhash,$checks,
613: $alerts,$rulematch,$inst_results,$curr_rules,
614: $got_rules);
615: return;
616: }
617:
618: sub send_token {
619: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
620: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
621: &mt('Thank you for your request to create a new Mechanics Online account.').
622: '<br /><br />';
623: my $now = time;
624: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
625: 'time' => $now,
626: 'domain' => $domain,
627: 'username' => $email,
628: 'courseid' => $courseid);
629: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
630: if ($token !~ /^error/ && $token ne 'no_such_host') {
631: my $esc_token = &escape($token);
632: my $mailsubj = &mt('Your Mechanics Online Course Account');
633: my $msgfrom = &mt('Mechanics Online Course Staff');
634: my $mailmsg = &mt('Greetings.')."\n\n".
635: &mt('Thank you for your interest in our Online Mechanics Course.').
636: ' '.
637: &mt('In order to complete the registration process, please open the following link in your web browser:').
638: "\n\n".
639: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token.
640: "\n\n".
641: &mt('This link will take you to a sign-up page where you will be asked to provide some general information and finalize the registration process.').
642: ' '.
643: &mt('A self-test (for review) is available within the course, for you to test your level of preparation.').
644: "\n\n".
645: &mt('Best Regards,').
646: "\n\n".
647: &mt('RELATE Group')."\n";
648:
649: my $result = &Apache::resetpw::send_mail('MIT',$email,$mailmsg,
650: $msgfrom,$contact_email,
651: $mailsubj);
652: if ($result eq 'ok') {
653: $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>');
654: } else {
655: $msg .= '<span class="LC_error">'.
656: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
657: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
658: }
659: } else {
660: $msg .= '<span class="LC_error">'.
661: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
662: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
663: }
664: return $msg;
665: }
666:
667: sub process_mailtoken {
668: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
669: $include,$start_page) = @_;
670: my ($msg,$nostart,$noend);
671: my %data = &Apache::lonnet::tmpget($token);
672: my $now = time;
673: if (keys(%data) == 0) {
674: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
675: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
676: .' '.&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>');
677: return $msg;
678: }
679: if (($data{'time'} =~ /^\d+$/) &&
680: ($data{'domain'} ne '') &&
681: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
682: if ($now - $data{'time'} < 7200) {
683: if ($env{'form.phase'} eq 'createaccount') {
684: my ($result,$output) = &create_account($r,$domain,$lonhost,
685: $data{'username'},$domdesc);
686: if ($result eq 'ok') {
687: $msg = $output;
688: my $shownow = &Apache::lonlocal::locallocaltime($now);
689: 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";
690: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
691: $mailmsg,$contact_name,
692: $contact_email);
693: if ($mailresult eq 'ok') {
694: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
695: } else {
696: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
697: }
698: my %form = &start_session($r,$data{'username'},$domain,
699: $lonhost,$data{'courseid'},
700: $token,'new');
701: $nostart = 1;
702: $noend = 1;
703: } else {
704: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
705: .'<br />'.$output
706: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
707: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
708: }
709: my $delete = &Apache::lonnet::tmpdel($token);
710: } else {
711: $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 />';
712: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
713: $nostart = 1;
714: }
715: } else {
716: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
717: .' '.&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>');
718: }
719: } else {
720: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
721: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
722: }
723: return ($msg,$nostart,$noend);
724: }
725:
726: sub start_session {
727: my ($r,$username,$domain,$lonhost,$courseid,$token,$usertype) = @_;
728: my %form = (
729: uname => $username,
730: udom => $domain,
731: );
732: my $firsturl = '/adm/roles';
733: if (defined($courseid)) {
734: $courseid = &validate_course($courseid);
735: if ($courseid ne '') {
736: $form{'courseid'} = $courseid;
737: $firsturl = '/adm/selfenroll?courseid='.$courseid;
738: if ($usertype) {
739: $firsturl .= '&usertype='.$usertype;
740: }
741: }
742: }
743: if ($r->dir_config('lonBalancer') eq 'yes') {
744: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
745: $lonhost,'noredirect',undef,\%form);
746: if ($token ne '') {
747: my $delete = &Apache::lonnet::tmpdel($token);
748: }
749: $r->internal_redirect('/adm/switchserver');
750: } else {
751: &Apache::lonauth::success($r,$form{'uname'},$form{'udom'},
752: $lonhost,$firsturl,undef,\%form);
753: }
754: return %form;
755: }
756:
757:
758: sub print_dataentry_form {
759: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
760: my ($error,$output);
761: &print_header($r,$start_page);
762: if (open(my $jsh,"<$include/londes.js")) {
763: while(my $line = <$jsh>) {
764: $r->print($line);
765: }
766: close($jsh);
767: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
768: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
769: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
770: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
771: $lonhost);
772: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
773: my ($datatable,$rowcount) =
774: &Apache::loncreateuser::personal_data_display($username,$domain,
775: 'email','selfcreate');
776: if ($rowcount) {
777: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
778: } else {
779: $output .= $formtag;
780: }
781: $output .= <<"ENDSERVERFORM";
782: <input type="hidden" name="logtoken" value="$logtoken" />
783: <input type="hidden" name="token" value="$mailtoken" />
784: <input type="hidden" name="serverid" value="$lonhost" />
785: <input type="hidden" name="uname" value="" />
786: <input type="hidden" name="upass" value="" />
787: <input type="hidden" name="udom" value="" />
788: <input type="hidden" name="phase" value="createaccount" />
789: </form>
790: ENDSERVERFORM
791: if ($rowcount) {
792: $output .= '</div>'.
793: '<div class="LC_left_float">';
794: }
795: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
796: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
797: my $submit_text = &mt('Create LON-CAPA account');
798: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
799: '<form name="client" method="post" action="" '.
800: 'onsubmit="return checkpass();">'."\n".
801: &Apache::lonhtmlcommon::start_pick_box()."\n".
802: &Apache::lonhtmlcommon::row_title(&mt('Username'),
803: 'LC_pick_box_title',
804: 'LC_oddrow_value')."\n".
805: $username."\n".
806: &Apache::lonhtmlcommon::row_closure(1)."\n".
807: &Apache::lonhtmlcommon::row_title(&mt('Password'),
808: 'LC_pick_box_title',
809: 'LC_oddrow_value')."\n".
810: $upassone."\n".
811: &Apache::lonhtmlcommon::row_closure(1)."\n".
812: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
813: 'LC_pick_box_title',
814: 'LC_oddrow_value')."\n".
815: $upasstwo.
816: &Apache::lonhtmlcommon::row_closure(1)."\n".
817: &Apache::lonhtmlcommon::row_title()."\n".
818: '<br /><input type="submit" name="createaccount" value="'.
819: $submit_text.'" />'.
820: &Apache::lonhtmlcommon::row_closure(1)."\n".
821: &Apache::lonhtmlcommon::end_pick_box()."\n".
822: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
823: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
824: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
825: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
826: '</form>';
827: if ($rowcount) {
828: $output .= '</div>'."\n".
829: '<div class="LC_clear_float_footer"></div>'."\n";
830: }
831: } else {
832: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
833: }
834: return $output;
835: }
836:
837: sub get_creation_controls {
838: my ($domain,$usercreation) = @_;
839: my (@cancreate,@statustocreate);
840: if (ref($usercreation) eq 'HASH') {
841: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
842: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
843: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
844: if (@statustocreate == 0) {
845: my ($othertitle,$usertypes,$types) =
846: &Apache::loncommon::sorted_inst_types($domain);
847: if (ref($types) eq 'ARRAY') {
848: if (@{$types} == 0) {
849: @statustocreate = ('default');
850: }
851: } else {
852: @statustocreate = ('default');
853: }
854: }
855: } else {
856: @statustocreate = ('default');
857: my ($othertitle,$usertypes,$types) =
858: &Apache::loncommon::sorted_inst_types($domain);
859: if (ref($types) eq 'ARRAY') {
860: push(@statustocreate,@{$types});
861: }
862: }
863: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
864: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
865: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
866: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
867: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
868: }
869: }
870: }
871: return (\@cancreate,\@statustocreate);
872: }
873:
874: sub create_account {
875: my ($r,$domain,$lonhost,$username,$domdesc) = @_;
876: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
877: $env{'form.serverid'});
878: # Error messages
879: my $error = '<span class="LC_error">'.&mt('Error:').' ';
880: my $end = '</span><br /><br />';
881: my $rtnlink = '<a href="javascript:history.back();" />'.
882: &mt('Return to previous page').'</a>'.
883: &Apache::loncommon::end_page();
884: if ($retrieved eq 'ok') {
885: if ($env{'form.courseid'} ne '') {
886: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
887: if ($result eq 'fail') {
888: $output = $error.&mt('Invalid ID format').$end.
889: $userchkmsg.$rtnlink;
890: return ('fail',$output);
891: }
892: }
893: } else {
894: return ('fail',$error.$output.$end.$rtnlink);
895: }
896: # Call modifyuser
897: my $result =
898: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
899: 'internal',$upass,$env{'form.cfirstname'},
900: $env{'form.cmiddlename'},$env{'form.clastname'},
901: $env{'form.cgeneration'},undef,undef,$username);
902: $output = &mt('Generating user: [_1]',$result);
903: my $uhome = &Apache::lonnet::homeserver($username,$domain);
904: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
905: &Apache::lonnet::hostname($uhome).'<br /><br />';
906: return ('ok',$output);
907: }
908:
909: sub username_validation {
910: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
911: $lonhost,$statustocreate) = @_;
912: my ($retrieved,$output,$upass);
913:
914: $username= &LONCAPA::clean_username($username);
915: $domain = &LONCAPA::clean_domain($domain);
916: my $uhome = &Apache::lonnet::homeserver($username,$domain);
917:
918: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
919: $env{'form.serverid'});
920: if ($retrieved ne 'ok') {
921: return ('fail',$output);
922: }
923: if ($uhome ne 'no_host') {
924: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
925: if ($result ne 'no_host') {
926: my %form = &start_session($r,$username,$domain,$lonhost,$courseid);
927: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
928: return ('existingaccount',$output);
929: } else {
930: $output = &login_failure_msg($courseid);
931: }
932: } else {
933: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
934: my $authok;
935: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
936: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
937: my $checkdefauth = 1;
938: $authok =
939: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
940: } else {
941: $authok = 'non_authorized';
942: }
943: if ($authok eq 'authorized') {
944: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
945: $contact_email,$contact_name,undef,
946: $statustocreate);
947: } else {
948: $output = &login_failure_msg($courseid);
949: }
950: }
951: return ('ok',$output);
952: }
953:
954: sub login_failure_msg {
955: my ($courseid) = @_;
956: my $url;
957: if ($courseid ne '') {
958: $url = "/adm/selfenroll?courseid=".$courseid;
959: } else {
960: $url = "/adm/createaccount";
961: }
962: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
963: &mt('Username and/or password could not be authenticated.').
964: '</div>'.
965: &mt('Please check the username and password.').'<br /><br />';
966: '<a href="'.$url.'">'.&mt('Try again').'</a>';
967: return $output;
968: }
969:
970: sub username_check {
971: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
972: $contact_name,$sso_logout,$statustocreate) = @_;
973: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
974: %alerts,%curr_rules,%got_rules);
975: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
976: \%inst_results,\%curr_rules,\%got_rules,'username');
977: if (ref($alerts{'username'}) eq 'HASH') {
978: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
979: if ($alerts{'username'}{$domain}{$username}) {
980: if (ref($curr_rules{$domain}) eq 'HASH') {
981: $output =
982: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
983: 'selfcreate').
984: &Apache::loncommon::user_rule_formats($domain,$domdesc,
985: $curr_rules{$domain}{'username'},'username');
986: }
987: $checkfail = 'username';
988: }
989: }
990: }
991: if (!$checkfail) {
992: if (ref($statustocreate) eq 'ARRAY') {
993: $checkfail = 'inststatus';
994: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
995: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
996: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
997: undef($checkfail);
998: last;
999: }
1000: }
1001: } elsif (grep(/^default$/,@{$statustocreate})) {
1002: undef($checkfail);
1003: }
1004: }
1005: }
1006: if (!$checkfail) {
1007: $output = '<form method="post" action="/adm/createaccount">';
1008: (my $datatable,$rowcount,$editable) =
1009: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1010: $inst_results{$username.':'.$domain});
1011: if ($rowcount > 0) {
1012: $output .= $datatable;
1013: }
1014: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1015: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1016: '<input type="hidden" name="phase" value="username_activation" />';
1017: my $now = time;
1018: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1019: 'time' => $now,
1020: 'domain' => $domain,
1021: 'username' => $username);
1022: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1023: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1024: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1025: } else {
1026: $output = &mt('An error occurred when storing a token').'<br />'.
1027: &mt('You will not be able to proceed to the next stage of account creation').
1028: &linkto_email_help($contact_email,$domdesc);
1029: $checkfail = 'authtoken';
1030: }
1031: }
1032: if ($checkfail) {
1033: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1034: if ($checkfail eq 'username') {
1035: $msg .= '<span class="LC_warning">'.
1036: &mt('A LON-CAPA account may not be created with the username you use.').
1037: '</span><br /><br />'.$output;
1038: } elsif ($checkfail eq 'authtoken') {
1039: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1040: '<br />'.$output;
1041: } elsif ($checkfail eq 'inststatus') {
1042: $msg .= '<span class="LC_warning">'.
1043: &mt('You are not permitted to create a LON-CAPA account.').
1044: '</span><br /><br />'.$output;
1045: }
1046: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1047: $contact_name,$contact_email).'<br /><hr />'.
1048: $sso_logout;
1049: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1050: } else {
1051: if ($courseid ne '') {
1052: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1053: }
1054: $output .= '<input type="submit" name="newaccount" value="'.
1055: &mt('Create LON-CAPA account').'" /></form>';
1056: if ($rowcount) {
1057: if ($editable) {
1058: if ($courseid ne '') {
1059: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1060: }
1061: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1062: } else {
1063: if ($courseid ne '') {
1064: $msg = '<h4>'.&mt('Review user information').'</h4>';
1065: }
1066: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1067: }
1068: } else {
1069: if ($courseid ne '') {
1070: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1071: }
1072: $msg .= &mt('Confirm that you wish to create an account.');
1073: }
1074: $msg .= $output;
1075: }
1076: return $msg;
1077: }
1078:
1079: sub username_activation {
1080: my ($r,$username,$domain,$domdesc,$lonhost,$courseid) = @_;
1081: my $output;
1082: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1083: my $end = '</span><br /><br />';
1084: my $rtnlink = '<a href="javascript:history.back();" />'.
1085: &mt('Return to previous page').'</a>'.
1086: &Apache::loncommon::end_page();
1087: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1088: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1089: my $now = time;
1090: my $earlyout;
1091: my $timeout = 300;
1092: if (keys(%data) == 0) {
1093: $output = &mt('Sorry, your authentication has expired.');
1094: $earlyout = 'fail';
1095: }
1096: if (($data{'time'} !~ /^\d+$/) ||
1097: ($data{'domain'} ne $domain) ||
1098: ($data{'username'} ne $username)) {
1099: $earlyout = 'fail';
1100: $output = &mt('The credentials you provided could not be verified.');
1101: } elsif ($now - $data{'time'} > $timeout) {
1102: $earlyout = 'fail';
1103: $output = &mt('Sorry, your authentication has expired.');
1104: }
1105: if ($earlyout ne '') {
1106: $output .= '<br />'.&mt('Please [_1]start again[_2].','<a href="/adm/createaccount">','</a>');
1107: return($earlyout,$output);
1108: }
1109: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1110: ($domdefaults{'auth_arg_def'} ne '')) ||
1111: ($domdefaults{'auth_def'} eq 'localauth')) {
1112: if ($env{'form.courseid'} ne '') {
1113: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1114: if ($result eq 'fail') {
1115: $output = $error.&mt('Invalid ID format').$end.
1116: $userchkmsg.$rtnlink;
1117: return ('fail',$output);
1118: }
1119: }
1120: # Call modifyuser
1121: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1122: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1123: \%inst_results,\%curr_rules,\%got_rules);
1124: my @userinfo = ('firstname','middlename','lastname','generation',
1125: 'permanentemail','id');
1126: my %canmodify =
1127: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1128: \@userinfo,\%inst_results);
1129: foreach my $item (@userinfo) {
1130: if ($canmodify{$item}) {
1131: $info{$item} = $env{'form.c'.$item};
1132: } else {
1133: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1134: }
1135: }
1136: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1137: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1138: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1139: }
1140: my $result =
1141: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1142: $domdefaults{'auth_def'},
1143: $domdefaults{'auth_arg_def'},$info{'firstname'},
1144: $info{'middlename'},$info{'lastname'},
1145: $info{'generation'},undef,undef,
1146: $info{'permanentemail'},$info{'inststatus'});
1147: if ($result eq 'ok') {
1148: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1149: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1150: my %form = &start_session($r,$username,$domain,$lonhost,$courseid,undef,'new');
1151: my $nostart = 1;
1152: return ('ok',$output,$nostart);
1153: } else {
1154: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1155: return ('fail',$output);
1156: }
1157: } else {
1158: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1159: return('fail',$output);
1160: }
1161: }
1162:
1163: sub check_id {
1164: my ($username,$domain,$domdesc) = @_;
1165: # Check ID format
1166: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1167: my %checks = ('id' => 1);
1168: %{$checkhash{$username.':'.$domain}} = (
1169: 'newuser' => 1,
1170: 'id' => $env{'form.cid'},
1171: );
1172: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1173: \%rulematch,\%inst_results,\%curr_rules);
1174: if (ref($alerts{'id'}) eq 'HASH') {
1175: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1176: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1177: my $userchkmsg;
1178: if (ref($curr_rules{$domain}) eq 'HASH') {
1179: $userchkmsg =
1180: &Apache::loncommon::instrule_disallow_msg('id',
1181: $domdesc,1).
1182: &Apache::loncommon::user_rule_formats($domain,
1183: $domdesc,$curr_rules{$domain}{'id'},'id');
1184: }
1185: return ('fail',$userchkmsg);
1186: }
1187: }
1188: }
1189: return;
1190: }
1191:
1192: sub invalid_state {
1193: my ($error,$domdesc,$contact_name,$contact_email,$msgtext,$useremail) = @_;
1194: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1195: if ($error eq 'baduseremail') {
1196: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1197: } elsif ($error eq 'existinguser') {
1198: my $uname = &HTML::Entities::encode($useremail);
1199: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.').'</span><br /><br /><span class="LC_warning">'.&mt('You can either:').'<ul>'.
1200: '<li>'.&mt('Return to the [_1]log-in page[_2] and enter your password.','<a href="/adm/login?username='.$uname.'">','</a>').'</li>'.
1201: '<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>').
1202: '</li></ul>';
1203: } elsif ($error eq 'userrules') {
1204: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1205: } elsif ($error eq 'userformat') {
1206: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1207: } elsif ($error eq 'captcha') {
1208: $msg .= &mt('Validation of the code you entered failed.');
1209: } elsif ($error eq 'noemails') {
1210: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1211: }
1212: $msg .= '</span>';
1213: if ($msgtext) {
1214: $msg .= '<br />'.$msgtext;
1215: }
1216: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1217: return $msg;
1218: }
1219:
1220: sub linkto_email_help {
1221: my ($contact_email,$domdesc,$error) = @_;
1222: my $msg;
1223: my $href = '/adm/helpdesk';
1224: if ($contact_email ne '') {
1225: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1226: $href .= '?origurl='.$escuri;
1227: if ($error eq 'existinguser') {
1228: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1229: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1230: }
1231: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1232: } else {
1233: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc).'<br />';
1234: }
1235: return $msg;
1236: }
1237:
1238: sub create_recaptcha {
1239: my ($pubkey) = @_;
1240: my $captcha = Captcha::reCAPTCHA->new;
1241: # generate PUBLICKEY from https://www.google.com/recaptcha
1242: return $captcha->get_options_setter({theme => 'white'})."\n".
1243: $captcha->get_html($pubkey);
1244: }
1245:
1246: sub getkeys {
1247: my ($lkey,$ukey) = @_;
1248: my $lextkey=hex($lkey);
1249: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1250:
1251: my $uextkey=hex($ukey);
1252: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1253: return ($lextkey,$uextkey);
1254: }
1255:
1256: sub serverform {
1257: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1258: my $phase = 'username_validation';
1259: my $catalog_elements;
1260: if ($context eq 'selfenroll') {
1261: $phase = 'selfenroll_login';
1262: }
1263: if ($courseid ne '') {
1264: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1265: }
1266: my $output = <<ENDSERVERFORM;
1267: <form name="server" method="post" action="/adm/createaccount">
1268: <input type="hidden" name="logtoken" value="$logtoken" />
1269: <input type="hidden" name="token" value="$mailtoken" />
1270: <input type="hidden" name="serverid" value="$lonhost" />
1271: <input type="hidden" name="uname" value="" />
1272: <input type="hidden" name="upass" value="" />
1273: <input type="hidden" name="udom" value="" />
1274: <input type="hidden" name="phase" value="$phase" />
1275: <input type="hidden" name="courseid" value="$courseid" />
1276: $catalog_elements
1277: </form>
1278: ENDSERVERFORM
1279: return $output;
1280: }
1281:
1282: sub process_credentials {
1283: my ($logtoken,$lonhost) = @_;
1284: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1285: my ($retrieved,$output,$upass);
1286: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1287: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1288: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1289: return ($retrieved,$output,$upass);
1290: } else {
1291: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1292: if ($reply eq 'ok') {
1293: $retrieved = 'ok';
1294: } else {
1295: $output = &mt('Session could not be opened.');
1296: }
1297: }
1298: my ($key,$caller)=split(/&/,$tmpinfo);
1299: if ($caller eq 'createaccount') {
1300: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1301: } else {
1302: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1303: }
1304: return ($retrieved,$output,$upass);
1305: }
1306:
1307: sub guest_format_check {
1308: my ($useremail,$domain,$cancreate,$settings) = @_;
1309: my ($login,$format_match,$format_msg,@user_rules);
1310: if (ref($settings) eq 'HASH') {
1311: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1312: push(@user_rules,@{$settings->{'email_rule'}});
1313: }
1314: }
1315: if (@user_rules > 0) {
1316: my %rule_check =
1317: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1318: 'selfcreate',\@user_rules);
1319: if (keys(%rule_check) > 0) {
1320: foreach my $item (keys(%rule_check)) {
1321: if ($rule_check{$item}) {
1322: $format_match = 1;
1323: last;
1324: }
1325: }
1326: }
1327: }
1328: if ($format_match) {
1329: ($login) = ($useremail =~ /^([^\@]+)\@/);
1330: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1331: if (ref($cancreate) eq 'ARRAY') {
1332: if (grep(/^login$/,@{$cancreate})) {
1333: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1334: }
1335: }
1336: }
1337: return $format_msg;
1338: }
1339:
1340: sub sso_logout_frag {
1341: my ($r,$domain) = @_;
1342: my $endsessionmsg;
1343: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1344: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1345: if (-e $msgfile) {
1346: open(my $fh,"<$msgfile");
1347: $endsessionmsg = join('',<$fh>);
1348: close($fh);
1349: }
1350: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1351: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1352: if (-e $msgfile) {
1353: open(my $fh,"<$msgfile");
1354: $endsessionmsg = join('',<$fh>);
1355: close($fh);
1356: }
1357: }
1358: return $endsessionmsg;
1359: }
1360:
1361: sub catreturn_js {
1362: return <<"ENDSCRIPT";
1363: <script type="text/javascript">
1364:
1365: function ToSelfenroll(formname) {
1366: var formidx = getFormByName(formname);
1367: if (formidx > -1) {
1368: document.forms[formidx].action = '/adm/selfenroll';
1369: numidx = getIndexByName(formidx,'phase');
1370: if (numidx > -1) {
1371: document.forms[formidx].elements[numidx].value = '';
1372: }
1373: numidx = getIndexByName(formidx,'context');
1374: if (numidx > -1) {
1375: document.forms[formidx].elements[numidx].value = '';
1376: }
1377: }
1378: document.forms[formidx].submit();
1379: }
1380:
1381: function ToCatalog(formname,caller) {
1382: var formidx = getFormByName(formname);
1383: if (formidx > -1) {
1384: document.forms[formidx].action = '/adm/coursecatalog';
1385: numidx = getIndexByName(formidx,'coursenum');
1386: if (numidx > -1) {
1387: if (caller != 'details') {
1388: document.forms[formidx].elements[numidx].value = '';
1389: }
1390: }
1391: }
1392: document.forms[formidx].submit();
1393: }
1394:
1395: function getIndexByName(formidx,item) {
1396: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1397: if (document.forms[formidx].elements[i].name == item) {
1398: return i;
1399: }
1400: }
1401: return -1;
1402: }
1403:
1404: function getFormByName(item) {
1405: for (var i=0; i<document.forms.length; i++) {
1406: if (document.forms[i].name == item) {
1407: return i;
1408: }
1409: }
1410: return -1;
1411: }
1412:
1413: </script>
1414: ENDSCRIPT
1415:
1416: }
1417:
1418: 1;
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