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 1.56 2013/06/05 12:46:39 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 DynaLoader; # for Crypt::DES version
43: use Crypt::DES;
44: use LONCAPA qw(:DEFAULT :match);
45: use HTML::Entities;
46:
47: #TODO this module needs documentation
48:
49: sub handler {
50: my $r = shift;
51: &Apache::loncommon::content_type($r,'text/html');
52: $r->send_http_header;
53: if ($r->header_only) {
54: return OK;
55: }
56:
57: my $domain;
58:
59: my $sso_username = $r->subprocess_env->get('REDIRECT_SSOUserUnknown');
60: my $sso_domain = $r->subprocess_env->get('REDIRECT_SSOUserDomain');
61:
62: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
63: ['token','courseid','domain']);
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, undef) = Apache::lonnet::is_course($env{'form.courseid'});
71: unless ($domain) {
72: if ($env{'form.phase'} =~ /^username_(activation|validation)$/) {
73: if (($env{'form.udom'} =~ /^$match_domain$/) &&
74: (&Apache::lonnet::domain($env{'form.udom'}) ne '')) {
75: $domain = $env{'form.udom'};
76: } else {
77: $domain = &Apache::lonnet::default_login_domain();
78: }
79: } elsif (($env{'form.phase'} eq '') &&
80: ($env{'form.domain'} =~ /^$match_domain$/) &&
81: (&Apache::lonnet::domain($env{'form.domain'}) ne '')) {
82: $domain = $env{'form.domain'};
83: } else {
84: $domain = &Apache::lonnet::default_login_domain();
85: }
86: }
87: }
88: my $domdesc = &Apache::lonnet::domain($domain,'description');
89: my $contact_name = &mt('LON-CAPA helpdesk');
90: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
91: my $contacts =
92: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
93: $domain,$origmail);
94: my ($contact_email) = split(',',$contacts);
95: my $lonhost = $r->dir_config('lonHostID');
96: my $include = $r->dir_config('lonIncludes');
97: my $start_page;
98:
99: my $handle = &Apache::lonnet::check_for_valid_session($r);
100: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
101: $start_page =
102: &Apache::loncommon::start_page('Already logged in');
103: my $end_page =
104: &Apache::loncommon::end_page();
105: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
106: '<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>').
107: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
108: return OK;
109: }
110:
111: my ($js,$courseid,$title);
112: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
113: if ($courseid ne '') {
114: $js = &catreturn_js();
115: $title = 'Self-enroll in a LON-CAPA course';
116: } else {
117: $title = 'Create a user account in LON-CAPA';
118: }
119: if ($env{'form.phase'} eq 'selfenroll_login') {
120: $title = 'Self-enroll in a LON-CAPA course';
121: if ($env{'form.udom'} ne '') {
122: $domain = $env{'form.udom'};
123: }
124:
125: my %domconfig =
126: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
127: my ($cancreate,$statustocreate) =
128: &get_creation_controls($domain,$domconfig{'usercreation'});
129:
130: my ($result,$output) =
131: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
132: $contact_name,$contact_email,$courseid,
133: $lonhost,$statustocreate);
134: if ($result eq 'existingaccount') {
135: $r->print($output);
136: &print_footer($r);
137: return OK;
138: } else {
139: $start_page = &Apache::loncommon::start_page($title,$js);
140: &print_header($r,$start_page,$courseid);
141: $r->print($output);
142: &print_footer($r);
143: return OK;
144: }
145: }
146: $start_page = &Apache::loncommon::start_page($title,$js);
147:
148: my %domconfig =
149: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
150: my ($cancreate,$statustocreate) = &get_creation_controls($domain,$domconfig{'usercreation'});
151: if (@{$cancreate} == 0) {
152: &print_header($r,$start_page,$courseid);
153: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
154: '<span class="LC_warning">'.
155: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$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: $courseid);
208: if ($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: $courseid);
235: } elsif (!$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);
248: }
249: $r->print($output);
250: &print_footer($r);
251: return OK;
252: }
253:
254: sub print_header {
255: my ($r,$start_page,$courseid) = @_;
256: $r->print($start_page);
257: &Apache::lonhtmlcommon::clear_breadcrumbs();
258: if ($courseid ne '') {
259: my %coursehash = &Apache::lonnet::coursedescription($courseid);
260: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
261: }
262: &Apache::lonhtmlcommon::add_breadcrumb
263: ({href=>"/adm/createuser",
264: text=>"New username"});
265: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
266: return;
267: }
268:
269: sub print_footer {
270: my ($r) = @_;
271: if ($env{'form.courseid'} ne '') {
272: $r->print('<form name="backupcrumbs" method="post" action="">'.
273: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
274: 'token','serverid','uname','upass','phase','create_with_email',
275: 'code','useremail','crypt','cfirstname','clastname',
276: 'cmiddlename','cgeneration','cpermanentemail','cid']).
277: '</form>');
278: }
279: $r->print(&Apache::loncommon::end_page());
280: }
281:
282: sub selfenroll_crumbs {
283: my ($r,$courseid,$desc) = @_;
284: &Apache::lonhtmlcommon::add_breadcrumb
285: ({href=>"javascript:ToCatalog('backupcrumbs','')",
286: text=>"Course/Community Catalog"});
287: if ($env{'form.coursenum'} ne '') {
288: &Apache::lonhtmlcommon::add_breadcrumb
289: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
290: text=>"Course details"});
291: }
292: my $last_crumb;
293: if ($desc ne '') {
294: $last_crumb = &mt('Self-enroll in [_1]',"<span class='LC_cusr_emph'>$desc</span>");
295: } else {
296: $last_crumb = &mt('Self-enroll');
297: }
298: &Apache::lonhtmlcommon::add_breadcrumb
299: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
300: text=>$last_crumb,
301: no_mt=>"1"});
302: return;
303: }
304:
305: sub javascript_setforms {
306: my ($now) = @_;
307: my $js = <<ENDSCRIPT;
308: <script type="text/javascript" language="JavaScript">
309: function send() {
310: this.document.server.elements.uname.value = this.document.client.elements.uname.value;
311: this.document.server.elements.udom.value = this.document.client.elements.udom.value;
312: uextkey=this.document.client.elements.uextkey.value;
313: lextkey=this.document.client.elements.lextkey.value;
314: initkeys();
315:
316: this.document.server.elements.upass.value
317: = crypted(this.document.client.elements.upass$now.value);
318:
319: this.document.client.elements.uname.value='';
320: this.document.client.elements.upass$now.value='';
321:
322: this.document.server.submit();
323: return false;
324: }
325: </script>
326: ENDSCRIPT
327: return $js;
328: }
329:
330: sub javascript_checkpass {
331: my ($now) = @_;
332: my $nopass = &mt('You must enter a password.');
333: my $mismatchpass = &mt('The passwords you entered did not match.').'\\n'.
334: &mt('Please try again.');
335: my $js = <<"ENDSCRIPT";
336: <script type="text/javascript" language="JavaScript">
337: function checkpass() {
338: var upass = this.document.client.elements.upass$now.value;
339: var upasscheck = this.document.client.elements.upasscheck$now.value;
340: if (upass == '') {
341: alert("$nopass");
342: return false;
343: }
344: if (upass == upasscheck) {
345: this.document.client.elements.upasscheck$now.value='';
346: send();
347: return false;
348: } else {
349: alert("$mismatchpass");
350: return false;
351: }
352: }
353: </script>
354: ENDSCRIPT
355: return $js;
356: }
357:
358: sub javascript_validmail {
359: my %lt = &Apache::lonlocal::texthash (
360: email => 'The e-mail address you entered',
361: notv => 'is not a valid e-mail address',
362: );
363: my $output = "\n".'<script type="text/javascript">'."\n".
364: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
365: $output .= <<"ENDSCRIPT";
366: function validate_email() {
367: field = document.createaccount.useremail;
368: if (validmail(field) == false) {
369: alert("$lt{'email'}: "+field.value+" $lt{'notv'}.");
370: return false;
371: }
372: return true;
373: }
374: ENDSCRIPT
375: $output .= "\n".'</script>'."\n";
376: return $output;
377: }
378:
379: sub print_username_form {
380: my ($domain,$domdesc,$cancreate,$now,$lonhost,$courseid) = @_;
381: my %lt = &Apache::lonlocal::texthash(
382: unam => 'username',
383: udom => 'domain',
384: uemail => 'E-mail address in LON-CAPA',
385: proc => 'Proceed');
386: my $output;
387: if (ref($cancreate) eq 'ARRAY') {
388: if (grep(/^login$/,@{$cancreate})) {
389: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
390: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
391: $output = '<div class="LC_left_float"><h3>'.&mt('Create account with a username provided by this institution').'</h3>';
392: my $submit_text = &mt('Create LON-CAPA account');
393: $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 />';
394: $output .= &login_box($now,$lonhost,$courseid,$submit_text,
395: $domain,'createaccount').'</div>';
396: }
397: }
398: if (grep(/^email$/,@{$cancreate})) {
399: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
400: my ($captchaform,$error) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
401: if ($error) {
402: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
403: if ($courseid ne '') {
404: $helpdesk .= '&courseid='.$courseid;
405: }
406: $output .= '<span class="LC_error">'.&mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').'</span><br /><br />'.&mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.','<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
407: } else {
408: my $submit_text = &mt('Request LON-CAPA account');
409: my $emailform = '<input type="text" name="useremail" size="25" value="" />';
410: if (grep(/^login$/,@{$cancreate})) {
411: $output .= &mt('Provide your e-mail address to request a LON-CAPA account,[_1] if you do not have a log-in ID at your institution.','<br />').'<br /><br />';
412: } else {
413: $output .= '<br />';
414: }
415: $output .= '<form name="createaccount" method="post" onsubmit="return validate_email()" action="/adm/createaccount">'.
416: &Apache::lonhtmlcommon::start_pick_box()."\n".
417: &Apache::lonhtmlcommon::row_title(&mt('E-mail address'),
418: 'LC_pick_box_title')."\n".
419: $emailform."\n";
420: if ($captchaform) {
421: $output .= &Apache::lonhtmlcommon::row_closure(1).
422: &Apache::lonhtmlcommon::row_title(&mt('Validation'),
423: 'LC_pick_box_title')."\n".
424: $captchaform."\n".'<br /><br />';
425: }
426: if ($courseid ne '') {
427: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
428: }
429: $output .= &Apache::lonhtmlcommon::row_closure(1).
430: &Apache::lonhtmlcommon::row_title().'<br />'.
431: '<input type="submit" name="create_with_email" value="'.
432: $submit_text.'" />'.
433: &Apache::lonhtmlcommon::row_closure(1).
434: &Apache::lonhtmlcommon::end_pick_box().'<br /><br />';
435: if ($courseid ne '') {
436: $output .= &Apache::lonhtmlcommon::echo_form_input(['courseid']);
437: }
438: $output .= '</form>';
439: }
440: $output .= '</div>';
441: }
442: }
443: if ($output eq '') {
444: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
445: } else {
446: $output .= '<div class="LC_clear_float_footer"></div>';
447: }
448: return $output;
449: }
450:
451: sub login_box {
452: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
453: my $output;
454: my %titles = &Apache::lonlocal::texthash(
455: createaccount => 'Log-in ID',
456: selfenroll => 'Username',
457: );
458: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
459: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
460: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
461: $lonhost);
462: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
463: my $unameform = '<input type="text" name="uname" size="20" value="" />';
464: my $upassform = '<input type="password" name="upass'.$now.'" size="20" />';
465: $output .= '<form name="client" method="post" action="" onsubmit="return(send());">'."\n".
466: &Apache::lonhtmlcommon::start_pick_box()."\n".
467: &Apache::lonhtmlcommon::row_title($titles{$context},
468: 'LC_pick_box_title')."\n".
469: $unameform."\n".
470: &Apache::lonhtmlcommon::row_closure(1)."\n".
471: &Apache::lonhtmlcommon::row_title(&mt('Password'),
472: 'LC_pick_box_title')."\n".
473: $upassform;
474: if ($context eq 'selfenroll') {
475: my $udomform = '<input type="text" name="udom" size="10" value="'.
476: $domain.'" />';
477: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
478: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
479: 'LC_pick_box_title')."\n".
480: $udomform."\n";
481: } else {
482: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
483: }
484: $output .= &Apache::lonhtmlcommon::row_closure(1).
485: &Apache::lonhtmlcommon::row_title().
486: '<br /><input type="submit" name="username_validation" value="'.
487: $submit_text.'" />'."\n";
488: if ($context eq 'selfenroll') {
489: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
490: '<span class="LC_fontsize_medium">'.
491: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
492: '</span></td></tr></table>'."\n";
493: }
494: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
495: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
496: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
497: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
498: '</form>';
499: return $output;
500: }
501:
502: sub process_email_request {
503: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
504: $server,$settings,$courseid) = @_;
505: $useremail = $env{'form.useremail'};
506: my $output;
507: if (ref($cancreate) eq 'ARRAY') {
508: if (!grep(/^email$/,@{$cancreate})) {
509: $output = &invalid_state('noemails',$domdesc,
510: $contact_name,$contact_email);
511: return $output;
512: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
513: $output = &invalid_state('baduseremail',$domdesc,
514: $contact_name,$contact_email);
515: return $output;
516: } else {
517: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
518: if ($uhome ne 'no_host') {
519: $output = &invalid_state('existinguser',$domdesc,
520: $contact_name,$contact_email);
521: return $output;
522: } else {
523: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
524: if ($captcha_chk != 1) {
525: $output = &invalid_state('captcha',$domdesc,$contact_name,
526: $contact_email,$captcha_error);
527: return $output;
528: }
529: my $uhome=&Apache::lonnet::homeserver($useremail,$domain);
530: if ($uhome eq 'no_host') {
531: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
532: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
533: \%inst_results,\%curr_rules,\%got_rules,'username');
534: if (ref($alerts{'username'}) eq 'HASH') {
535: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
536: if ($alerts{'username'}{$domain}{$useremail}) {
537: $output = &invalid_state('userrules',$domdesc,
538: $contact_name,$contact_email);
539: return $output;
540: }
541: }
542: }
543: my $format_msg =
544: &guest_format_check($useremail,$domain,$cancreate,
545: $settings);
546: if ($format_msg) {
547: $output = &invalid_state('userformat',$domdesc,$contact_name,
548: $contact_email,$format_msg);
549: return $output;
550: }
551: }
552: }
553: }
554: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
555: $contact_email,$courseid);
556: }
557: return $output;
558: }
559:
560: sub call_rulecheck {
561: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
562: $got_rules,$tocheck) = @_;
563: my ($checkhash,$checks);
564: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
565: if ($tocheck eq 'username') {
566: $checks = { 'username' => 1 };
567: }
568: &Apache::loncommon::user_rule_check($checkhash,$checks,
569: $alerts,$rulematch,$inst_results,$curr_rules,
570: $got_rules);
571: return;
572: }
573:
574: sub send_token {
575: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid) = @_;
576: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
577: &mt('Thank you for your request to create a new LON-CAPA account.').
578: '<br /><br />';
579: my $now = time;
580: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
581: 'time' => $now,
582: 'domain' => $domain,
583: 'username' => $email,
584: 'courseid' => $courseid);
585: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
586: if ($token !~ /^error/ && $token ne 'no_such_host') {
587: my $esc_token = &escape($token);
588: my $showtime = localtime(time);
589: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
590: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
591: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
592: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
593: $contact_email);
594: if ($result eq 'ok') {
595: $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 account creation process.').'<br />'.&mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
596: } else {
597: $msg .= '<span class="LC_error">'.
598: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
599: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
600: }
601: } else {
602: $msg .= '<span class="LC_error">'.
603: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
604: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
605: }
606: return $msg;
607: }
608:
609: sub process_mailtoken {
610: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
611: $include,$start_page) = @_;
612: my ($msg,$nostart,$noend);
613: my %data = &Apache::lonnet::tmpget($token);
614: my $now = time;
615: if (keys(%data) == 0) {
616: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
617: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
618: .' '.&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>');
619: return $msg;
620: }
621: if (($data{'time'} =~ /^\d+$/) &&
622: ($data{'domain'} ne '') &&
623: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
624: if ($now - $data{'time'} < 7200) {
625: if ($env{'form.phase'} eq 'createaccount') {
626: my ($result,$output,$uhome) =
627: &create_account($r,$domain,$data{'username'},$domdesc);
628: if ($result eq 'ok') {
629: $msg = $output;
630: my $shownow = &Apache::lonlocal::locallocaltime($now);
631: my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
632: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
633: $mailmsg,$contact_name,
634: $contact_email);
635: if ($mailresult eq 'ok') {
636: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
637: } else {
638: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
639: }
640: &start_session($r,$data{'username'},$domain,$uhome,
641: $data{'courseid'},$token);
642: $nostart = 1;
643: $noend = 1;
644: } else {
645: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
646: .'<br />'.$output
647: # .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
648: .&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
649: }
650: my $delete = &Apache::lonnet::tmpdel($token);
651: } else {
652: $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 />';
653: $msg .= &print_dataentry_form($r,$domain,$lonhost,$include,$token,$now,$data{'username'},$start_page);
654: $nostart = 1;
655: }
656: } else {
657: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
658: .' '.&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>');
659: }
660: } else {
661: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
662: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
663: }
664: return ($msg,$nostart,$noend);
665: }
666:
667: sub start_session {
668: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
669:
670: if ($r->dir_config('lonBalancer') eq 'yes') {
671: Apache::lonauth::success($r, $username, $domain, $uhome,
672: 'noredirect', undef, {});
673:
674: Apache::lonnet::tmpdel($token) if $token;
675:
676: $r->internal_redirect('/adm/switchserver');
677: } else {
678: $courseid = Apache::lonnet::is_course($courseid);
679:
680: Apache::lonauth::success($r, $username, $domain, $uhome,
681: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
682: undef, {});
683: }
684:
685: return;
686: }
687:
688: #
689: # The screen that the user gets to create his or her account
690: # Desired username, desired password, etc
691: # Stores token to store DES-key and stage during creation session
692: #
693: sub print_dataentry_form {
694: my ($r,$domain,$lonhost,$include,$mailtoken,$now,$username,$start_page) = @_;
695: my ($error,$output);
696: &print_header($r,$start_page);
697: if (open(my $jsh,"<$include/londes.js")) {
698: while(my $line = <$jsh>) {
699: $r->print($line);
700: }
701: close($jsh);
702: $output .= &javascript_setforms($now)."\n".&javascript_checkpass($now);
703: my ($lkey,$ukey) = &Apache::lonpreferences::des_keys();
704: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
705: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
706: $lonhost);
707: my $formtag = '<form name="server" method="post" target="_top" action="/adm/createaccount">';
708: my ($datatable,$rowcount) =
709: &Apache::loncreateuser::personal_data_display($username,$domain,
710: 'email','selfcreate');
711: if ($rowcount) {
712: $output .= '<div class="LC_left_float">'.$formtag.$datatable;
713: } else {
714: $output .= $formtag;
715: }
716: $output .= <<"ENDSERVERFORM";
717: <input type="hidden" name="logtoken" value="$logtoken" />
718: <input type="hidden" name="token" value="$mailtoken" />
719: <input type="hidden" name="serverid" value="$lonhost" />
720: <input type="hidden" name="uname" value="" />
721: <input type="hidden" name="upass" value="" />
722: <input type="hidden" name="udom" value="" />
723: <input type="hidden" name="phase" value="createaccount" />
724: </form>
725: ENDSERVERFORM
726: if ($rowcount) {
727: $output .= '</div>'.
728: '<div class="LC_left_float">';
729: }
730: my $upassone = '<input type="password" name="upass'.$now.'" size="10" />';
731: my $upasstwo = '<input type="password" name="upasscheck'.$now.'" size="10" />';
732: my $submit_text = &mt('Create LON-CAPA account');
733: $output .= '<h3>'.&mt('Login Data').'</h3>'."\n".
734: '<form name="client" method="post" action="" '.
735: 'onsubmit="return checkpass();">'."\n".
736: &Apache::lonhtmlcommon::start_pick_box()."\n".
737: &Apache::lonhtmlcommon::row_title(&mt('Username'),
738: 'LC_pick_box_title',
739: 'LC_oddrow_value')."\n".
740: $username."\n".
741: &Apache::lonhtmlcommon::row_closure(1)."\n".
742: &Apache::lonhtmlcommon::row_title(&mt('Password'),
743: 'LC_pick_box_title',
744: 'LC_oddrow_value')."\n".
745: $upassone."\n".
746: &Apache::lonhtmlcommon::row_closure(1)."\n".
747: &Apache::lonhtmlcommon::row_title(&mt('Confirm password'),
748: 'LC_pick_box_title',
749: 'LC_oddrow_value')."\n".
750: $upasstwo.
751: &Apache::lonhtmlcommon::row_closure(1)."\n".
752: &Apache::lonhtmlcommon::row_title()."\n".
753: '<br /><input type="submit" name="createaccount" value="'.
754: $submit_text.'" />'.
755: &Apache::lonhtmlcommon::row_closure(1)."\n".
756: &Apache::lonhtmlcommon::end_pick_box()."\n".
757: '<input type="hidden" name="uname" value="'.$username.'" />'."\n".
758: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
759: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
760: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
761: '</form>';
762: if ($rowcount) {
763: $output .= '</div>'."\n".
764: '<div class="LC_clear_float_footer"></div>'."\n";
765: }
766: } else {
767: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
768: }
769: return $output;
770: }
771:
772: #
773: # Retrieve rules for generating accounts from domain configuration
774: # Can the user make a new account or just self-enroll?
775:
776: sub get_creation_controls {
777: my ($domain,$usercreation) = @_;
778: my (@cancreate,@statustocreate);
779: if (ref($usercreation) eq 'HASH') {
780: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
781: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
782: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
783: if (@statustocreate == 0) {
784: my ($othertitle,$usertypes,$types) =
785: &Apache::loncommon::sorted_inst_types($domain);
786: if (ref($types) eq 'ARRAY') {
787: if (@{$types} == 0) {
788: @statustocreate = ('default');
789: }
790: } else {
791: @statustocreate = ('default');
792: }
793: }
794: } else {
795: @statustocreate = ('default');
796: my ($othertitle,$usertypes,$types) =
797: &Apache::loncommon::sorted_inst_types($domain);
798: if (ref($types) eq 'ARRAY') {
799: push(@statustocreate,@{$types});
800: }
801: }
802: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
803: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
804: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
805: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
806: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
807: }
808: }
809: }
810: return (\@cancreate,\@statustocreate);
811: }
812:
813: sub create_account {
814: my ($r,$domain,$username,$domdesc) = @_;
815: # Get the token info
816: my ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
817: $env{'form.serverid'});
818: # $retrieved is 'ok' if things worked
819: # $output is user error output
820: # $upass is the decrypted password
821: # Error messages
822: my $error = '<span class="LC_error">'.&mt('Error:').' ';
823: my $end = '</span><br /><br />';
824: my $rtnlink = '<a href="javascript:history.back();">'.
825: &mt('Return to previous page').'</a>'.
826: &Apache::loncommon::end_page();
827: if ($retrieved eq 'ok') {
828: if ($env{'form.courseid'} ne '') {
829: # See if we are allowed to use this username per domain rules (number of characters, etc)
830: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
831: if ($result eq 'fail') {
832: $output = $error.&mt('Invalid ID format').$end.
833: $userchkmsg.$rtnlink;
834: return ('fail',$output);
835: }
836: }
837: } else {
838: return ('fail',$error.$output.$end.$rtnlink);
839: }
840: # Yes! We can do this. Valid token, valid username format
841: # Create an internally authenticated account with password $upass
842: # if the account does not exist yet
843: # Assign student/staff number $env{'form.cid'}, first name, last name, etc
844: my $result =
845: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
846: 'internal',$upass,$env{'form.cfirstname'},
847: $env{'form.cmiddlename'},$env{'form.clastname'},
848: $env{'form.cgeneration'},undef,undef,$username);
849: $output = &mt('Generating user: [_1]',$result);
850: # Now that the user exists, we can have a homeserver
851: my $uhome = &Apache::lonnet::homeserver($username,$domain);
852: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
853: &Apache::lonnet::hostname($uhome).'<br /><br />';
854: return ('ok',$output,$uhome);
855: }
856:
857: sub username_validation {
858: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
859: $lonhost,$statustocreate) = @_;
860: # $username,$domain: for the user who needs to be validated
861: # $domdesc: full name of the domain (for error messages)
862: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check
863: # $courseid: ID of the course that the user should be validated for, goes into start_session
864: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
865:
866: my ($retrieved,$output,$upass);
867:
868: $username= &LONCAPA::clean_username($username);
869: $domain = &LONCAPA::clean_domain($domain);
870: my $uhome = &Apache::lonnet::homeserver($username,$domain);
871:
872: ($retrieved,$output,$upass) = &process_credentials($env{'form.logtoken'},
873: $env{'form.serverid'});
874: if ($retrieved ne 'ok') {
875: return ('fail',$output);
876: }
877: if ($uhome ne 'no_host') {
878: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
879: if ($result ne 'no_host') {
880: &start_session($r,$username,$domain,$uhome,$courseid);
881: $output = '<br /><br />'.&mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).','<tt>'.$username.'</tt>',$domdesc).'<br />'.&mt('The password entered was also correct so you have been logged in.');
882: return ('existingaccount',$output);
883: } else {
884: $output = &login_failure_msg($courseid);
885: }
886: } else {
887: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
888: my $authok;
889: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
890: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
891: my $checkdefauth = 1;
892: $authok =
893: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
894: } else {
895: $authok = 'non_authorized';
896: }
897: if ($authok eq 'authorized') {
898: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
899: $contact_email,$contact_name,undef,
900: $statustocreate);
901: } else {
902: $output = &login_failure_msg($courseid);
903: }
904: }
905: return ('ok',$output);
906: }
907:
908: sub login_failure_msg {
909: my ($courseid) = @_;
910: my $url;
911: if ($courseid ne '') {
912: $url = "/adm/selfenroll?courseid=".$courseid;
913: } else {
914: $url = "/adm/createaccount";
915: }
916: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
917: &mt('Username and/or password could not be authenticated.').
918: '</div>'.
919: &mt('Please check the username and password.').'<br /><br />';
920: '<a href="'.$url.'">'.&mt('Try again').'</a>';
921: return $output;
922: }
923:
924: sub username_check {
925: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
926: $contact_name,$sso_logout,$statustocreate) = @_;
927: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
928: %alerts,%curr_rules,%got_rules);
929: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
930: \%inst_results,\%curr_rules,\%got_rules,'username');
931: if (ref($alerts{'username'}) eq 'HASH') {
932: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
933: if ($alerts{'username'}{$domain}{$username}) {
934: if (ref($curr_rules{$domain}) eq 'HASH') {
935: $output =
936: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
937: 'selfcreate').
938: &Apache::loncommon::user_rule_formats($domain,$domdesc,
939: $curr_rules{$domain}{'username'},'username');
940: }
941: $checkfail = 'username';
942: }
943: }
944: }
945: if (!$checkfail) {
946: if (ref($statustocreate) eq 'ARRAY') {
947: $checkfail = 'inststatus';
948: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
949: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
950: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
951: undef($checkfail);
952: last;
953: }
954: }
955: } elsif (grep(/^default$/,@{$statustocreate})) {
956: undef($checkfail);
957: }
958: }
959: }
960: if (!$checkfail) {
961: $output = '<form method="post" action="/adm/createaccount">';
962: (my $datatable,$rowcount,$editable) =
963: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
964: $inst_results{$username.':'.$domain});
965: if ($rowcount > 0) {
966: $output .= $datatable;
967: }
968: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
969: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
970: '<input type="hidden" name="phase" value="username_activation" />';
971: my $now = time;
972: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
973: 'time' => $now,
974: 'domain' => $domain,
975: 'username' => $username);
976: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
977: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
978: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
979: } else {
980: $output = &mt('An error occurred when storing a token').'<br />'.
981: &mt('You will not be able to proceed to the next stage of account creation').
982: &linkto_email_help($contact_email,$domdesc);
983: $checkfail = 'authtoken';
984: }
985: }
986: if ($checkfail) {
987: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
988: if ($checkfail eq 'username') {
989: $msg .= '<span class="LC_warning">'.
990: &mt('A LON-CAPA account may not be created with the username you use.').
991: '</span><br /><br />'.$output;
992: } elsif ($checkfail eq 'authtoken') {
993: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
994: '<br />'.$output;
995: } elsif ($checkfail eq 'inststatus') {
996: $msg .= '<span class="LC_warning">'.
997: &mt('You are not permitted to create a LON-CAPA account.').
998: '</span><br /><br />'.$output;
999: }
1000: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1001: $contact_name,$contact_email).'<br /><hr />'.
1002: $sso_logout;
1003: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1004: } else {
1005: if ($courseid ne '') {
1006: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1007: }
1008: $output .= '<input type="submit" name="newaccount" value="'.
1009: &mt('Create LON-CAPA account').'" /></form>';
1010: if ($rowcount) {
1011: if ($editable) {
1012: if ($courseid ne '') {
1013: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1014: }
1015: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1016: } else {
1017: if ($courseid ne '') {
1018: $msg = '<h4>'.&mt('Review user information').'</h4>';
1019: }
1020: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1021: }
1022: } else {
1023: if ($courseid ne '') {
1024: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1025: }
1026: $msg .= &mt('Confirm that you wish to create an account.');
1027: }
1028: $msg .= $output;
1029: }
1030: return $msg;
1031: }
1032:
1033: sub username_activation {
1034: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1035: my $output;
1036: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1037: my $end = '</span><br /><br />';
1038: my $rtnlink = '<a href="javascript:history.back();">'.
1039: &mt('Return to previous page').'</a>'.
1040: &Apache::loncommon::end_page();
1041: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1042: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1043: my $now = time;
1044: my $earlyout;
1045: my $timeout = 300;
1046: if (keys(%data) == 0) {
1047: $output = &mt('Sorry, your authentication has expired.');
1048: $earlyout = 'fail';
1049: }
1050: if (($data{'time'} !~ /^\d+$/) ||
1051: ($data{'domain'} ne $domain) ||
1052: ($data{'username'} ne $username)) {
1053: $earlyout = 'fail';
1054: $output = &mt('The credentials you provided could not be verified.');
1055: } elsif ($now - $data{'time'} > $timeout) {
1056: $earlyout = 'fail';
1057: $output = &mt('Sorry, your authentication has expired.');
1058: }
1059: if ($earlyout ne '') {
1060: my $link = '/adm/createaccount';
1061: if (&Apache::lonnet::domain($domain) ne '') {
1062: $link .= "?domain=$domain";
1063: }
1064: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1065: '<a href="'.$link.'">','</a>');
1066: return($earlyout,$output);
1067: }
1068: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1069: ($domdefaults{'auth_arg_def'} ne '')) ||
1070: ($domdefaults{'auth_def'} eq 'localauth')) {
1071: if ($env{'form.courseid'} ne '') {
1072: my ($result,$userchkmsg) = &check_id($username,$domain,$domdesc);
1073: if ($result eq 'fail') {
1074: $output = $error.&mt('Invalid ID format').$end.
1075: $userchkmsg.$rtnlink;
1076: return ('fail',$output);
1077: }
1078: }
1079: # Call modifyuser
1080: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1081: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1082: \%inst_results,\%curr_rules,\%got_rules);
1083: my @userinfo = ('firstname','middlename','lastname','generation',
1084: 'permanentemail','id');
1085: my %canmodify =
1086: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1087: \@userinfo,\%inst_results);
1088: foreach my $item (@userinfo) {
1089: if ($canmodify{$item}) {
1090: $info{$item} = $env{'form.c'.$item};
1091: } else {
1092: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1093: }
1094: }
1095: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1096: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1097: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1098: }
1099: my $result =
1100: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1101: $domdefaults{'auth_def'},
1102: $domdefaults{'auth_arg_def'},$info{'firstname'},
1103: $info{'middlename'},$info{'lastname'},
1104: $info{'generation'},undef,undef,
1105: $info{'permanentemail'},$info{'inststatus'});
1106: if ($result eq 'ok') {
1107: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1108: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1109: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1110: &start_session($r,$username,$domain,$uhome,$courseid);
1111: my $nostart = 1;
1112: return ('ok',$output,$nostart);
1113: } else {
1114: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1115: return ('fail',$output);
1116: }
1117: } else {
1118: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1119: return('fail',$output);
1120: }
1121: }
1122:
1123: sub check_id {
1124: my ($username,$domain,$domdesc) = @_;
1125: # Check ID format
1126: # Is $username in an okay format for $domain
1127: # (right number of characters, special characters, etc - follow domain rules)?
1128: # $domdesc is just used for user error messages
1129: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1130: my %checks = ('id' => 1);
1131: %{$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) = @_;
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: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1162: } elsif ($error eq 'userrules') {
1163: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1164: } elsif ($error eq 'userformat') {
1165: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1166: } elsif ($error eq 'captcha') {
1167: $msg .= &mt('Validation of the code you entered failed.');
1168: } elsif ($error eq 'noemails') {
1169: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1170: }
1171: $msg .= '</span>';
1172: if ($msgtext) {
1173: $msg .= '<br />'.$msgtext;
1174: }
1175: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1176: return $msg;
1177: }
1178:
1179: sub linkto_email_help {
1180: my ($contact_email,$domdesc,$error) = @_;
1181: my $msg;
1182: my $href = '/adm/helpdesk';
1183: if ($contact_email ne '') {
1184: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1185: $href .= '?origurl='.$escuri;
1186: if ($error eq 'existinguser') {
1187: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1188: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1189: }
1190: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1191: } else {
1192: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1193: }
1194: return $msg;
1195: }
1196:
1197: sub getkeys {
1198: my ($lkey,$ukey) = @_;
1199: my $lextkey=hex($lkey);
1200: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1201:
1202: my $uextkey=hex($ukey);
1203: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1204: return ($lextkey,$uextkey);
1205: }
1206:
1207: sub serverform {
1208: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1209: my $phase = 'username_validation';
1210: my $catalog_elements;
1211: if ($context eq 'selfenroll') {
1212: $phase = 'selfenroll_login';
1213: }
1214: if ($courseid ne '') {
1215: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1216: }
1217: my $output = <<ENDSERVERFORM;
1218: <form name="server" method="post" action="/adm/createaccount">
1219: <input type="hidden" name="logtoken" value="$logtoken" />
1220: <input type="hidden" name="token" value="$mailtoken" />
1221: <input type="hidden" name="serverid" value="$lonhost" />
1222: <input type="hidden" name="uname" value="" />
1223: <input type="hidden" name="upass" value="" />
1224: <input type="hidden" name="udom" value="" />
1225: <input type="hidden" name="phase" value="$phase" />
1226: <input type="hidden" name="courseid" value="$courseid" />
1227: $catalog_elements
1228: </form>
1229: ENDSERVERFORM
1230: return $output;
1231: }
1232:
1233: sub process_credentials {
1234: #
1235: # Fetches the information from the logtoken via tmpget
1236: # Token contains the DES-key and the stage of the process (would only be "createaccount")
1237: # $lonhost in this routine is *not* necessarily the machine that this runs on,
1238: # but $env{'form.serverid'}, the machine that issued the token.
1239: #
1240: my ($logtoken,$lonhost) = @_;
1241: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
1242: my ($retrieved,$output,$upass);
1243: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1244: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1245: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1246: return ($retrieved,$output,$upass);
1247: } else {
1248: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$lonhost);
1249: if ($reply eq 'ok') {
1250: $retrieved = 'ok';
1251: } else {
1252: $output = &mt('Session could not be opened.');
1253: }
1254: }
1255: my ($key,$caller)=split(/&/,$tmpinfo);
1256: if ($caller eq 'createaccount') {
1257: $upass = &Apache::lonpreferences::des_decrypt($key,$env{'form.upass'});
1258: } else {
1259: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1260: }
1261: # $retrieved is 'ok' if retrieved okay
1262: # $output is screen output for the user
1263: # $upass is $env{'form.upass'}, decrypted with the DES-key, if stage was 'createaccount'
1264:
1265: return ($retrieved,$output,$upass);
1266: }
1267:
1268: sub guest_format_check {
1269: my ($useremail,$domain,$cancreate,$settings) = @_;
1270: my ($login,$format_match,$format_msg,@user_rules);
1271: if (ref($settings) eq 'HASH') {
1272: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1273: push(@user_rules,@{$settings->{'email_rule'}});
1274: }
1275: }
1276: if (@user_rules > 0) {
1277: my %rule_check =
1278: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1279: 'selfcreate',\@user_rules);
1280: if (keys(%rule_check) > 0) {
1281: foreach my $item (keys(%rule_check)) {
1282: if ($rule_check{$item}) {
1283: $format_match = 1;
1284: last;
1285: }
1286: }
1287: }
1288: }
1289: if ($format_match) {
1290: ($login) = ($useremail =~ /^([^\@]+)\@/);
1291: $format_msg = '<br />'.&mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.&mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1292: if (ref($cancreate) eq 'ARRAY') {
1293: if (grep(/^login$/,@{$cancreate})) {
1294: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1295: }
1296: }
1297: }
1298: return $format_msg;
1299: }
1300:
1301: sub sso_logout_frag {
1302: my ($r,$domain) = @_;
1303: my $endsessionmsg;
1304: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1305: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1306: if (-e $msgfile) {
1307: open(my $fh,"<$msgfile");
1308: $endsessionmsg = join('',<$fh>);
1309: close($fh);
1310: }
1311: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1312: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1313: if (-e $msgfile) {
1314: open(my $fh,"<$msgfile");
1315: $endsessionmsg = join('',<$fh>);
1316: close($fh);
1317: }
1318: }
1319: return $endsessionmsg;
1320: }
1321:
1322: sub catreturn_js {
1323: return <<"ENDSCRIPT";
1324: <script type="text/javascript">
1325:
1326: function ToSelfenroll(formname) {
1327: var formidx = getFormByName(formname);
1328: if (formidx > -1) {
1329: document.forms[formidx].action = '/adm/selfenroll';
1330: numidx = getIndexByName(formidx,'phase');
1331: if (numidx > -1) {
1332: document.forms[formidx].elements[numidx].value = '';
1333: }
1334: numidx = getIndexByName(formidx,'context');
1335: if (numidx > -1) {
1336: document.forms[formidx].elements[numidx].value = '';
1337: }
1338: }
1339: document.forms[formidx].submit();
1340: }
1341:
1342: function ToCatalog(formname,caller) {
1343: var formidx = getFormByName(formname);
1344: if (formidx > -1) {
1345: document.forms[formidx].action = '/adm/coursecatalog';
1346: numidx = getIndexByName(formidx,'coursenum');
1347: if (numidx > -1) {
1348: if (caller != 'details') {
1349: document.forms[formidx].elements[numidx].value = '';
1350: }
1351: }
1352: }
1353: document.forms[formidx].submit();
1354: }
1355:
1356: function getIndexByName(formidx,item) {
1357: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1358: if (document.forms[formidx].elements[i].name == item) {
1359: return i;
1360: }
1361: }
1362: return -1;
1363: }
1364:
1365: function getFormByName(item) {
1366: for (var i=0; i<document.forms.length; i++) {
1367: if (document.forms[i].name == item) {
1368: return i;
1369: }
1370: }
1371: return -1;
1372: }
1373:
1374: </script>
1375: ENDSCRIPT
1376:
1377: }
1378:
1379: 1;
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