1: # The LearningOnline Network
2: # Starts a user off based of an existing token.
3: #
4: # $Id: migrateuser.pm,v 1.70 2024/02/10 14:53:30 raeburn Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::migrateuser;
30:
31: use strict;
32: use LONCAPA qw(:DEFAULT :match);
33: use Apache::Constants qw(:common :http :methods :remotehost);
34: use Apache::lonauth;
35: use Apache::lonnet;
36: use Apache::loncommon;
37: use Apache::lonlocal;
38: use Apache::lonlogin();
39: use Apache::ltiauth;
40: use Apache::switchserver;
41: use CGI::Cookie;
42:
43: sub goto_login {
44: my ($r,$domain,$data) = @_;
45: my $write_to_opener;
46: if (ref($data) eq 'HASH') {
47: $write_to_opener = $data->{'lcssowin'};
48: }
49: if ((ref($data) eq 'HASH') && ($data->{'lti.login'})) {
50: &Apache::ltiauth::invalid_request($r,'22');
51: } else {
52: &Apache::loncommon::content_type($r,'text/html');
53: $r->send_http_header;
54: my $url = '/adm/login';
55: if ($domain) {
56: $url .= '?domain='.$domain;
57: }
58: $r->print(&Apache::loncommon::start_page('Going to login',undef,
59: {'redirect' => [0,$url,'',$write_to_opener],}).
60: '<h1>'.&mt('One moment please...').'</h1>'.
61: '<p>'.&mt('Transferring to login page.').'</p>'.
62: &Apache::loncommon::end_page());
63: }
64: return OK;
65: }
66:
67: sub sso_check {
68: my ($data) = @_;
69: my %extra_env;
70: if (ref($data) eq 'HASH') {
71: if ($data->{'sso.login'}) {
72: $extra_env{'request.sso.login'} = $data->{'sso.login'};
73: }
74: if ($data->{'sso.reloginserver'}) {
75: $extra_env{'request.sso.reloginserver'} =
76: $data->{'sso.reloginserver'};
77: }
78: }
79: return \%extra_env;
80: }
81:
82: sub lti_check {
83: my ($data) = @_;
84: my %lti_env;
85: if (ref($data) eq 'HASH') {
86: if ($data->{'lti.login'}) {
87: $lti_env{'request.lti.login'} = $data->{'lti.login'};
88: if ($data->{'lti.reqcrs'}) {
89: $lti_env{'request.lti.reqcrs'} = $data->{'lti.reqcrs'};
90: }
91: if ($data->{'lti.reqrole'}) {
92: $lti_env{'request.lti.reqrole'} = $data->{'lti.reqrole'};
93: }
94: if ($data->{'lti.selfenrollrole'}) {
95: $lti_env{'request.lti.selfenrollrole'} = $data->{'lti.selfenrollrole'};
96: }
97: if ($data->{'lti.uri'}) {
98: $lti_env{'request.lti.uri'} = $data->{'lti.uri'};
99: }
100: if ($data->{'lti.target'}) {
101: $lti_env{'request.lti.target'} = $data->{'lti.target'};
102: }
103: if ($data->{'lti.sourcecrs'}) {
104: $lti_env{'request.lti.sourcecrs'} = $data->{'lti.sourcecrs'};
105: }
106: }
107: if ($data->{'lti.passbackid'}) {
108: $lti_env{'request.lti.passbackid'} = $data->{'lti.passbackid'};
109: }
110: if ($data->{'lti.passbackurl'}) {
111: $lti_env{'request.lti.passbackurl'} = $data->{'lti.passbackurl'};
112: }
113: if ($data->{'lti.rosterid'}) {
114: $lti_env{'request.lti.rosterid'} = $data->{'lti.rosterid'};
115: }
116: if ($data->{'lti.rosterurl'}) {
117: $lti_env{'request.lti.rosterurl'} = $data->{'lti.rosterurl'};
118: }
119: }
120: return \%lti_env;
121: }
122:
123: sub canhost {
124: my ($uname,$udom,$lonhost,$loncaparev) = @_;
125: my $canhost;
126: if (&Apache::lonnet::is_library($lonhost)) {
127: my @possdoms = &Apache::lonnet::current_machine_domains();
128: my %roleshash = &Apache::lonnet::get_my_roles($uname,$udom,'userroles','',['ca','aa'],\@possdoms);
129: if (keys(%roleshash)) {
130: foreach my $key (keys(%roleshash)) {
131: my $audom = (split(/:/,$key))[1];
132: if ((&Apache::lonnet::will_trust('othcoau',$udom,$audom)) &&
133: (&Apache::lonnet::will_trust('coaurem',$audom,$udom))) {
134: $canhost = 1;
135: last;
136: }
137: }
138: }
139: }
140: unless ($canhost) {
141: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
142: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
143: my @intdoms;
144: my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
145: if (ref($internet_names) eq 'ARRAY') {
146: @intdoms = @{$internet_names};
147: }
148: if ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
149: $canhost = 1;
150: } else {
151: my $hostname = &Apache::lonnet::hostname($lonhost);
152: my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
153: my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
154: my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
155: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
156: $canhost =
157: &Apache::lonnet::can_host_session($udom,$lonhost,$loncaparev,
158: $udomdefaults{'remotesessions'},
159: $defdomdefaults{'hostedsessions'});
160: }
161: }
162: return $canhost;
163: }
164:
165: sub ip_changed {
166: my ($r,$udom,$camefrom,$idsref,$dataref) = @_;
167: &Apache::loncommon::content_type($r,'text/html');
168: $r->send_http_header;
169: if (ref($dataref) eq 'HASH') {
170: my $title = 'LON-CAPA Session redirected';
171: my $message = &mt('Your internet address has changed since you logged in.');
172: my $rule_in_effect;
173: if ($dataref->{'balancer'}) {
174: my $baldom = &Apache::lonnet::host_domain($camefrom);
175: my $balprimaryid = &Apache::lonnet::domain($baldom,'primary');
176: my $balintdom = &Apache::lonnet::internet_dom($balprimaryid);
177: my $uprimaryid = &Apache::lonnet::domain($udom,'primary');
178: my $uintdom = &Apache::lonnet::internet_dom($uprimaryid);
179: my $dom_in_use;
180: if (($uintdom ne '') && ($uintdom eq $balintdom)) {
181: $dom_in_use = $udom;
182: } else {
183: $dom_in_use = $baldom;
184: }
185: my ($result,$cached)=&Apache::lonnet::is_cached_new('loadbalancing',$dom_in_use);
186: unless (defined($cached)) {
187: my $cachetime = 60*60*24;
188: my %domconfig =
189: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
190: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
191: $result = &Apache::lonnet::do_cache_new('loadbalancing',$dom_in_use,
192: $domconfig{'loadbalancing'},$cachetime);
193: }
194: }
195: if (ref($result) eq 'HASH') {
196: (undef,my $currtargets,my $currrules) =
197: &Apache::lonnet::check_balancer_result($result,$dataref->{'server'});
198: if (ref($currrules) eq 'HASH') {
199: if ($dataref->{'sso.login'}) {
200: if ($currrules->{'_LC_ipchangesso'} ne '') {
201: $rule_in_effect = $currrules->{'_LC_ipchangesso'};
202: }
203: } else {
204: if ($currrules->{'_LC_ipchange'} ne '') {
205: $rule_in_effect = $currrules->{'_LC_ipchange'};
206: }
207: }
208: }
209: }
210: }
211: my $url;
212: my $lonhost= $r->dir_config('lonHostID');
213: my $switchto = $lonhost;
214: if ($rule_in_effect ne 'offloadedto') {
215: my ($hosthere,@ids);
216: if (ref($idsref) eq 'ARRAY') {
217: @ids=@{$idsref};
218: }
219: unless ($rule_in_effect eq 'balancer') {
220: if (grep(/^\Q$rule_in_effect\E$/,@ids)) {
221: $hosthere = 1;
222: }
223: }
224: unless ($hosthere) {
225: if ($dataref->{'role'}) {
226: my ($adom,$aname);
227: if ($dataref->{'role'} =~ m{^au\./($match_domain)/$}) {
228: $adom = $1;
229: $aname = $dataref->{'username'};
230: } elsif ($dataref->{'role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
231: $adom = $1;
232: $aname = $2;
233: }
234: if ($adom ne '' && $aname ne '') {
235: my $ahome = &Apache::lonnet::homeserver($aname,$adom);
236: unless ($ahome eq 'no_host') {
237: if ($ahome && grep(/^\Q$ahome\E$/,@ids)) {
238: $hosthere = 1;
239: }
240: }
241: }
242: }
243: }
244: unless ($hosthere) {
245: my $hostname;
246: if ($rule_in_effect eq 'balancer') {
247: $hostname = &Apache::lonnet::hostname($dataref->{'server'});
248: if ($hostname) {
249: $switchto = $dataref->{'server'};
250: }
251: } else {
252: $hostname = &Apache::lonnet::hostname($rule_in_effect);
253: if ($hostname) {
254: $switchto = $rule_in_effect;
255: }
256: }
257: if ($hostname) {
258: my $protocol = $Apache::lonnet::protocol{$switchto};
259: $protocol = 'http' if ($protocol ne 'https');
260: my $alias = &Apache::lonnet::use_proxy_alias($r,$switchto);
261: $hostname = $alias if ($alias ne '');
262: $url = $protocol.'://'.$hostname;
263: if ($rule_in_effect eq 'balancer') {
264: $message .= '<br />'.
265: &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.');
266: } else {
267: $message .= '<br />'.
268: &mt('As a result, your LON-CAPA session is being redirected.');
269: }
270: }
271: }
272: unless ($hosthere) {
273: if (($dataref->{'balancer'}) && ($dataref->{'balcookie'})) {
274: &Apache::lonnet::delbalcookie($dataref->{'balcookie'},$dataref->{'balancer'});
275: }
276: }
277: }
278: if ($dataref->{'sso.login'}) {
279: $url .= '/adm/roles';
280: } else {
281: $url .= '/adm/login';
282: if ($udom) {
283: $url .= '?domain='.$udom;
284: }
285: $message .= '<br />'.&mt('You will need to provide your password one more time.');
286: }
287: my %info= (
288: 'domain' => $udom,
289: 'username' => $dataref->{'username'},
290: 'sessionserver' => $lonhost,
291: );
292: my @names = ('origurl','symb','role','linkprotuser','linkprotexit','linkprot','linkkey','linkprotpbid','linkprotpburl');
293: foreach my $name (@names) {
294: if ($dataref->{$name} ne '') {
295: $info{$name} = $dataref->{$name};
296: }
297: }
298: if ($info{'origurl'} eq '/adm/email') {
299: if (($dataref->{'display'}) && ($dataref->{'mailrecip'})) {
300: if (&unescape($dataref->{'mailrecip'}) eq $dataref->{'username'}.':'.$dataref->{'domain'}) {
301: $info{'display'} = $dataref->{'display'};
302: $info{'mailrecip'} = $dataref->{'mailrecip'};
303: }
304: }
305: }
306: my $iptoken = &Apache::lonnet::tmpput(\%info,$switchto,'link');
307: unless ($iptoken eq 'conlost') {
308: $url .= (($url =~ /\?/) ? '&' : '?') . 'iptoken='.$iptoken;
309: }
310: $r->print(&Apache::loncommon::start_page($title,undef,
311: {'redirect' =>
312: [2,$url,'',$dataref->{'lcssowin'}],}).
313: '<h1>'.&mt('One moment please...').'</h1>'.
314: '<p class="LC_warning">'.$message.'</p>'.
315: &Apache::loncommon::end_page());
316: } else {
317: return &goto_login($r);
318: }
319: return OK;
320: }
321:
322: sub logout {
323: my ($r,$ip,$handle,$data,$lti_env,$linkprot_info) = @_;
324: my $lonidsdir=$r->dir_config('lonIDsDir');
325: if (unlink("$lonidsdir/$handle.id")) {
326: if (($env{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
327: (-l "$lonidsdir/$env{'user.linkedenv'}.id") &&
328: (readlink("$lonidsdir/$env{'user.linkedenv'}.id") eq "$lonidsdir/$handle.id")) {
329: unlink("$lonidsdir/$env{'user.linkedenv'}.id");
330: }
331: }
332: my %temp=('logout' => time);
333: &Apache::lonnet::put('email_status',\%temp);
334: &Apache::lonnet::log($env{'user.domain'},
335: $env{'user.name'},
336: $env{'user.home'},
337: "Logout $ip");
338:
339: &Apache::loncommon::content_type($r,'text/html');
340:
341: #expire the cookies
342: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
343: foreach my $name (keys(%cookies)) {
344: next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
345: my $c = new CGI::Cookie(-name => $name,
346: -value => '',
347: -expires => '-10y',);
348: $r->headers_out->add('Set-cookie' => $c);
349: }
350: my $lonhost = $r->dir_config('lonHostID');
351: my ($url,$token,$delay,$write_to_opener,%info,%user_info);
352: if (ref($data) eq 'HASH') {
353: %user_info=('ip' => $ip,
354: 'domain' => $data->{'domain'},
355: 'username' => $data->{'username'},
356: 'home' => $data->{'home'},
357: 'role' => $data->{'role'},
358: 'origurl' => $data->{'origurl'},
359: 'symb' => $data->{'symb'},
360: 'server' => $lonhost);
361: $write_to_opener = $data->{'lcssowin'};
362: }
363: $delay = 0.1;
364: if (ref($linkprot_info) eq 'HASH') {
365: if ($linkprot_info->{'linkprotuser'} ne '') {
366: $token = &Apache::lonnet::tmpput($linkprot_info,$lonhost);
367: $url = '/adm/login?ltoken='.$token;
368: } else {
369: foreach my $key (keys(%user_info)) {
370: if ($user_info{$key} eq '') {
371: delete($user_info{$key});
372: }
373: }
374: %info = (%user_info,%{$linkprot_info});
375: $token = &Apache::lonnet::tmpput(\%info,$lonhost);
376: $url = '/adm/migrateuser?token='.$token;
377: }
378: $delay = 0;
379: } else {
380: my %lti_info;
381: if (ref($lti_env) eq 'HASH') {
382: foreach my $key (sort(keys(%{$lti_env}))) {
383: if ($key =~ /^request\.(.+)$/) {
384: $lti_info{$1} = $lti_env->{$key};
385: }
386: }
387: }
388: %info = (%user_info,%lti_info);
389: $token = &Apache::lonnet::tmpput(\%info,$lonhost);
390: $url = '/adm/migrateuser?token='.$token;
391: }
392: $r->send_http_header;
393: $r->print(
394: &Apache::loncommon::start_page('Updating Session ...',undef,
395: {'redirect' => [$delay,$url,'',$write_to_opener],
396: 'only_body' => 1,}).
397: &Apache::loncommon::end_page());
398: if ($env{'request.balancercookie'}) {
399: my ($balancer,$cookie) = split(/:/,$env{'request.balancercookie'});
400: if ((&Apache::lonnet::hostname($balancer)) && ($cookie =~ /^[a-f0-9]{32}$/)) {
401: $cookie = $env{'user.domain'}.'_'.$env{'user.name'}.'_'.$cookie;
402: &Apache::lonnet::delbalcookie($cookie,$balancer);
403: }
404: }
405: $r->register_cleanup(\&flush_course_logs);
406: return;
407: }
408:
409: sub conlost_userhome {
410: my ($r,$idsref,$dataref) = @_;
411: return unless ((ref($idsref) eq 'ARRAY') && (ref($dataref) eq 'HASH'));
412: my @ids = @{$idsref};
413: my %data = %{$dataref};
414: my ($lonhost,$lowest_load,$otherserver,$is_balancer,%conlost,%posstargets);
415: $lonhost = $r->dir_config('lonHostID');
416: if (grep(/^\Q$lonhost\E$/,split(/,/,$data{'dom_balancers'}))) {
417: $is_balancer = 1;
418: }
419: $lowest_load = 30000;
420: if ($data{'conlost'} ne '') {
421: map { $conlost{$_} = 1; } split(/,/,$data{'conlost'});
422: }
423: if ($data{'loncfail'}) {
424: if ($lonhost ne $data{'from_balancer'}) {
425: my ($is_balancer,$posshost,$setcookie,$offloadto,$dom_balancers) =
426: &Apache::lonnet::check_loadbalancing($data{'username'},$data{'domain'});
427: if ($is_balancer) {
428: if (ref($offloadto) eq 'HASH') {
429: $data{'offloadto'} = '';
430: foreach my $key (keys(%{$offloadto})) {
431: if (ref($offloadto->{$key}) eq 'ARRAY') {
432: $data{'offloadto'} .= $key.'='.join(',',@{$offloadto->{$key}}).'&';
433: }
434: }
435: $data{'offloadto'} =~ s/\&$//;
436: } elsif (ref($offloadto) eq 'ARRAY') {
437: $data{'offloadto'} = join(',',@{$offloadto});
438: }
439: }
440: }
441: } else {
442: $conlost{$lonhost} = 1;
443: $data{'conlost'} = join(',',sort(keys(%conlost)));
444: }
445: if ($data{'offloadto'} =~ /\&/) {
446: foreach my $item (split(/\&/,$data{'offloadto'})) {
447: my ($type,$targets) = split(/\=/,$item);
448: @{$posstargets{$type}} = split(/,/,$targets);
449: }
450: } elsif ($data{'offloadto'} =~ /=/) {
451: my ($type,$targets) = split(/\=/,$data{'offloadto'});
452: @{$posstargets{$type}} = split(/,/,$targets);
453: } else {
454: @{$posstargets{'default'}} = split(/,/,$data{'offloadto'});
455: }
456: if (ref($posstargets{'primary'}) eq 'ARRAY') {
457: foreach my $try_server (@{$posstargets{'primary'}}) {
458: next if ($conlost{$try_server});
459: next if ((grep(/^\Q$try_server\E$/,@ids)) && !$data{'loncfail'});
460: ($otherserver,$lowest_load) =
461: &Apache::lonnet::compare_server_load($try_server,
462: $otherserver,
463: $lowest_load);
464: }
465: }
466: my $found_server = ($otherserver ne '' && $lowest_load < 100);
467: if (!$found_server) {
468: if (ref($posstargets{'default'}) eq 'ARRAY') {
469: foreach my $try_server (@{$posstargets{'default'}}) {
470: next if ($conlost{$try_server});
471: next if ((grep(/^\Q$try_server\E$/,@ids)) && !$data{'loncfail'});
472: ($otherserver,$lowest_load) =
473: &Apache::lonnet::compare_server_load($try_server,
474: $otherserver,
475: $lowest_load);
476: }
477: }
478: }
479: if ($otherserver ne '') {
480: my $switchto = &Apache::lonnet::hostname($otherserver);
481: if ($switchto ne '') {
482: $data{'server'} = $lonhost;
483: if ($data{'loncfail'}) {
484: delete($data{'loncfail'});
485: }
486: if (grep(/^\Q$otherserver\E$/,split(/,/,$data{'dom_balancers'}))) {
487: $data{'noloadbalance'} = $otherserver;
488: }
489: &do_server_switch($r,$otherserver,$switchto,$is_balancer,\%data);
490: return $otherserver;
491: } else {
492: #FIXME Contents of $data{offloadto} contains invalid hostID.
493: }
494: } else {
495: my (%poss_balancers,%tried_balancers);
496: map { $poss_balancers{$_} = 1; } split(/,/,$data{'dom_balancers'});
497: map { $tried_balancers{$_} = 1; } split(/,/,$data{'tried_balancers'});
498: if (keys(%poss_balancers)) {
499: foreach my $try_server (sort(keys(%poss_balancers))) {
500: next if (grep(/^\Q$try_server\E$/,@ids));
501: next if (($data{'loncfail'}) && ($tried_balancers{$try_server}));
502: my $alreadytried;
503: foreach my $key (keys(%posstargets)) {
504: if ((ref($posstargets{$key}) eq 'ARRAY') &&
505: (grep(/^\Q$try_server\E$/,@{$posstargets{$key}}))) {
506: $alreadytried = 1;
507: last;
508: }
509: }
510: unless ($alreadytried) {
511: if (&Apache::lonnet::reply('ping',$try_server) eq $try_server) {
512: $otherserver = $try_server;
513: last;
514: }
515: }
516: }
517: }
518: if ($otherserver ne '') {
519: my $switchto = &Apache::lonnet::hostname($otherserver);
520: if ($switchto ne '') {
521: $data{'server'} = $lonhost;
522: $data{'loncfail'} = $lonhost;
523: $tried_balancers{$otherserver} = 1;
524: $data{'tried_balancers'} = join(',',sort(keys(%tried_balancers)));
525: &do_server_switch($r,$otherserver,$switchto,$is_balancer,\%data);
526: return $otherserver;
527: } else {
528: #FIXME Contents of $data{'dom_balancers'} contains invalid hostID.
529: }
530: } else {
531: if ($data{'loncfail'}) {
532: #FIXME Nowhere to go.
533: } else {
534: # FIXME Send back to a balancer (no token); different balancer if this is a balancer.
535: # Send command to balancer to exclude this host using http instead on lonc/lond
536: }
537: }
538: }
539: return;
540: }
541:
542: sub do_server_switch {
543: my ($r,$otherserver,$switchto,$is_balancer,$dataref) = @_;
544: if (ref($dataref) eq 'HASH') {
545: my $domain = $dataref->{'domain'};
546: my $username = $dataref->{'username'};
547: # If this is a balancer set a balancer cookie unless browser already sent
548: # LON-CAPA load balancer cookie which points at the target server.
549: if ($is_balancer) {
550: my $newcookieid;
551: my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
552: unless (($found_server eq $otherserver) &&
553: ($balancer_cookie =~ /^\Q$domain\E_\Q$username\E_/)) {
554: $newcookieid =
555: &Apache::switchserver::balancer_cookieid($r,$otherserver,$username,$domain);
556: if ($newcookieid) {
557: $dataref->{'balcookie'} = $newcookieid;
558: }
559: }
560: }
561: my $token = &Apache::lonnet::tmpput($dataref,$otherserver);
562: my $protocol = $Apache::lonnet::protocol{$otherserver};
563: $protocol = 'http' if ($protocol ne 'https');
564: my $url = $protocol.'://'.$switchto.'/adm/login?domain='.$domain.
565: '&username='.$username.'&token='.$token;
566: $r->send_http_header;
567: $r->print(
568: &Apache::loncommon::start_page('Switching Server ...',undef,
569: {'redirect' => [0.1,$url]}).
570: &Apache::loncommon::end_page());
571: }
572: return;
573: }
574:
575: sub log_switch {
576: my ($r,$data,$lti_env,$ip) = @_;
577: my $lonhost = $r->dir_config('lonHostID');
578: return unless ((ref($data) eq 'HASH') && (ref($lti_env) eq 'HASH'));
579: my $now = time;
580: my %temp=('switchserver' => $now.':'.$lonhost,$data->{'role'});
581: &Apache::lonnet::put('email_status',\%temp);
582: my $logmsg = "Switch Server to $lonhost";
583: if ($data->{'role'}) {
584: $logmsg .= " with role: ".$data->{'role'};
585: } elsif (($lti_env->{'reqcrs'}) && ($lti_env->{'reqrole'} eq 'cc')) {
586: $logmsg .= " to create new LTI course";
587: } elsif ($lti_env->{'selfenrollrole'}) {
588: $logmsg .= " to selfenroll with role: ".$lti_env->{'selfenrollrole'};
589: } else {
590: $logmsg .= " (no role)";
591: }
592: $logmsg .= ' '.$ip;
593: &Apache::lonnet::log($data->{'domain'},$data->{'username'},$data->{'home'},$logmsg);
594: }
595:
596: sub flush_course_logs {
597: &Apache::lonnet::flushcourselogs();
598: return OK;
599: }
600:
601: sub handler {
602: my ($r) = @_;
603:
604: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
605: my %data = &Apache::lonnet::tmpget($env{'form.token'});
606: if (keys(%data) == 0) {
607: return &goto_login($r);
608: }
609: my $delete = &Apache::lonnet::tmpdel($env{'form.token'});
610:
611: &Apache::lonlocal::get_language_handle($r);
612:
613: if ($delete ne 'ok') {
614: return &goto_login($r,undef,\%data);
615: }
616:
617: if (!defined($data{'username'}) || !defined($data{'domain'})) {
618: return &goto_login($r,undef,\%data);
619: }
620: my ($home,@ids);
621: @ids=&Apache::lonnet::current_machine_ids();
622: my $ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP);
623: if ($data{'ip'} ne $ip) {
624: &Apache::lonnet::logthis('IP change when session migration requested -- was: '.
625: $data{'ip'}.'; now: '.$ip.' for '.$data{'username'}.':'.$data{'domain'});
626: return &ip_changed($r,$data{'domain'},$data{'server'},\@ids,\%data);
627: }
628: if ($data{'loncfail'}) {
629: &Apache::lonnet::logthis('Returned from '.$data{'server'}.' -- no connection to library node or other access node(s)');
630: my $otherserver = &conlost_userhome($r,\@ids,\%data);
631: if ($otherserver ne '') {
632: &Apache::lonnet::logthis("Switching to $otherserver");
633: }
634: return OK;
635: } else {
636: $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
637: if ($home eq 'no_host') {
638: if (($data{'home'} ne '') && (&Apache::lonnet::hostname($data{'home'}))) {
639: &Apache::lonnet::reconlonc($data{'home'});
640: $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
641: if ($home eq 'no_host') {
642: unless (grep(/^\Q$data{'home'}\E$/,@ids)) {
643: if (&Apache::lonnet::reply('ping',$data{'home'}) eq 'con_lost') {
644: my $otherserver = &conlost_userhome($r,\@ids,\%data);
645: if ($otherserver ne '') {
646: &Apache::lonnet::logthis("No connection to home server ($data{'home'}) for $data{'username'}:$data{'domain'}. Switching to $otherserver");
647: }
648: return OK;
649: }
650: }
651: }
652: }
653: }
654: }
655:
656: my $udom;
657: if (&Apache::lonnet::domain($data{'domain'})) {
658: $udom=$data{'domain'};
659: }
660: if ($home eq 'no_host') { return &goto_login($r,$udom,\%data); }
661: if (&Apache::lonnet::hostname($home) eq '') { return &goto_login($r,$udom,\%data); }
662:
663: unless (grep(/^\Q$home\E$/,@ids)) {
664: my $lonhost = $r->dir_config('lonHostID');
665: my $loncaparev = $r->dir_config('lonVersion');
666: unless (&canhost($data{'username'},$data{'domain'},$lonhost,$loncaparev)) {
667: return &goto_login($r,$udom,\%data);
668: }
669: }
670:
671: my $rolemsg;
672: if ($data{'role'}) {
673: $rolemsg = "role: $data{'role'}";
674: } else {
675: $rolemsg = '(no role)';
676: }
677:
678: &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} $rolemsg");
679:
680: my $sso_env = &sso_check(\%data);
681: my $lti_env = <i_check(\%data);
682:
683: my $extra_env;
684: if ((ref($sso_env) eq 'HASH') && (keys(%{$sso_env}))) {
685: $extra_env = $sso_env;
686: } elsif ((ref($lti_env) eq 'HASH') && (keys(%{$lti_env}))) {
687: $extra_env = $lti_env;
688: }
689: if (($data{'balancer'}) && ($data{'server'}) && ($data{'balcookie'})) {
690: if (ref($extra_env) eq 'HASH') {
691: $extra_env->{'request.balancercookie'} = $data{'server'}.':'.$data{'balcookie'};
692: } else {
693: $extra_env = { 'request.balancercookie' => $data{'server'}.':'.$data{'balcookie'} };
694: }
695: } elsif (($data{'server'}) && ($data{'otherbalcookie'})) {
696: my ($balancer,$balcookie) = split(/:/,$data{'otherbalcookie'});
697: if (defined(&Apache::lonnet::hostname($balancer)) && $balcookie =~ /^[a-f0-9]{32}$/) {
698: my $baldom = &Apache::lonnet::host_domain($balancer);
699: if (&Apache::lonnet::shared_institution($baldom)) {
700: my $cookieid = join('_',$udom,$data{'username'},$balcookie);
701: &Apache::lonnet::updatebalcookie($cookieid,$balancer,$data{'server'});
702: if (ref($extra_env) eq 'HASH') {
703: $extra_env->{'request.balancercookie'} = $data{'otherbalcookie'};
704: } else {
705: $extra_env = { 'request.balancercookie' => $data{'otherbalcookie'} };
706: }
707: }
708: }
709: }
710:
711: if (($data{'conlost'}) && ($data{'server'})) {
712: my @conlosts = split(/,/,$data{'conlost'});
713: my $switchfrom = $data{'server'};
714: if (@conlosts) {
715: if (grep(/^\Q$switchfrom\E$/,@conlosts)) {
716: &log_switch($r,\%data,$extra_env,$ip);
717: }
718: }
719: }
720:
721: my (%form,$cid);
722: if ($data{'symb'} ne '') {
723: $form{'symb'} = $data{'symb'};
724: }
725: if ($data{'iptoken'} ne '') {
726: $form{'iptoken'} = $data{'iptoken'};
727: }
728: if ($data{'noloadbalance'} ne '') {
729: $form{'noloadbalance'} = $data{'noloadbalance'};
730: }
731: if ($data{'role'}) {
732: if ($data{'role'} =~ m{\./($match_domain)/($match_courseid)(?:/\w+|$)}) {
733: unless (&Apache::lonnet::homeserver($2,$1) eq 'no_host') {
734: $cid = $1.'_'.$2;
735: }
736: }
737: } else {
738: my ($handle,$expirepub);
739: $handle = &Apache::lonnet::check_for_valid_session($r);
740:
741: # For "public user" - remove any existing "public" cookie so actual user is logged in.
742: if ($handle) {
743: if ($handle=~/^publicuser\_/) {
744: my $lonidsdir=$r->dir_config('lonIDsDir');
745: if ($lonidsdir ne '') {
746: unlink("$lonidsdir/$handle.id");
747: }
748: undef($handle);
749: $expirepub = 1;
750: }
751: }
752: if ($handle) {
753: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
754: $handle);
755: my ($checklaunch,$prevlaunch);
756: if ($data{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) {
757: unless ($env{'request.linkprot'} eq $data{'linkprot'}) {
758: $checklaunch = 1;
759: }
760: unless ($env{'request.linkprotexit'} eq $data{'linkprotexit'}) {
761: $checklaunch = 1;
762: }
763: unless ($env{'request.linkprotpbid'} eq $data{'linkprotpbid'}) {
764: $checklaunch = 1;
765: }
766: unless ($env{'request.linkprotpburl'} eq $data{'linkprotpburl'}) {
767: $checklaunch = 1;
768: }
769: unless ($env{'request.linkkey'} eq $data{'linkkey'}) {
770: $checklaunch = 1;
771: }
772: unless ($env{'request.deeplink.login'} eq $data{'deeplink.login'}) {
773: $checklaunch = 1;
774: }
775: }
776: if ($data{'linkprot'} ne '') {
777: if (($env{'user.name'} ne $data{'username'}) ||
778: ($env{'user.domain'} ne $data{'domain'})) {
779: my %linkprot_env;
780: foreach my $item ('linkprot','linkprotexit','linkprotpbid','linkprotpburl','deeplink.login') {
781: if ($data{$item}) {
782: $linkprot_env{$item} = $data{$item};
783: }
784: }
785: &logout($r,$ip,$handle,\%data,undef,\%linkprot_env);
786: return OK;
787: }
788: &Apache::lonnet::appenv({'request.linkprot' => $data{'linkprot'}});
789: if ($data{'linkprotexit'}) {
790: &Apache::lonnet::appenv({'request.linkprotexit' => $data{'linkprotexit'}});
791: }
792: if ($env{'request.linkkey'}) {
793: &Apache::lonnet::delenv('request.linkkey');
794: }
795: my ($linkprotector,$deeplink) = split(/:/,$data{'linkprot'},2);
796: if ($env{'user.linkprotector'}) {
797: my @protectors = split(/,/,$env{'user.linkprotector'});
798: unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
799: push(@protectors,$linkprotector);
800: @protectors = sort { $a <=> $b } @protectors;
801: &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
802: }
803: } else {
804: &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
805: }
806: if ($env{'user.linkproturi'}) {
807: my @proturis = split(/,/,$env{'user.linkproturi'});
808: unless(grep(/^\Q$deeplink\E$/,@proturis)) {
809: push(@proturis,$deeplink);
810: @proturis = sort @proturis;
811: &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
812: }
813: } else {
814: &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
815: }
816: } elsif ($data{'linkkey'} ne '') {
817: &Apache::lonnet::appenv({'request.linkkey' => $data{'linkkey'}});
818: if ($env{'request.linkprot'}) {
819: &Apache::lonnet::delenv('request.linkprot');
820: }
821: my $deeplink = $data{'deeplink.login'};
822: my $linkkey = $data{'linkkey'};
823: if ($env{'user.deeplinkkey'} ne '') {
824: my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
825: unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
826: push(@linkkeys,$linkkey);
827: &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
828: }
829: } else {
830: &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
831: }
832: if ($deeplink) {
833: if ($env{'user.keyedlinkuri'}) {
834: my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
835: unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
836: push(@keyeduris,$deeplink);
837: &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
838: }
839: } else {
840: &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
841: }
842: }
843: }
844: if ($data{'deeplink.login'}) {
845: &Apache::lonnet::appenv({'request.deeplink.login' => $data{'deeplink.login'}});
846: } elsif ($env{'request.deeplink.login'}) {
847: $prevlaunch = $env{'request.deeplink.login'};
848: }
849: if ($data{'lti.login'}) {
850: my $needslogout;
851: if ($env{'request.lti.login'}) {
852: if (($env{'user.name'} ne $data{'username'}) ||
853: ($env{'user.domain'} ne $data{'domain'})) {
854: $needslogout = 1;
855: }
856: } else {
857: $needslogout = 1;
858: }
859: # If access is via LTI, and user already has a non-LTI session cookie
860: # (and session) or has an LTI session cookie for a different username,
861: # logout the existing session, and start a new one
862: if ($needslogout) {
863: &logout($r,$ip,$handle,\%data,$lti_env);
864: } elsif (($data{'lti.reqcrs'}) && ($data{'lti.reqrole'} eq 'cc')) {
865: $form{'lti.reqcrs'} = $data{'lti.reqcrs'};
866: $form{'lti.reqrole'} = $data{'lti.reqrole'};
867: $form{'lti.sourcecrs'} = $data{'lti.sourcecrs'};
868: $form{'lti.uri'} = $data{'lti.uri'};
869: if ($data{'lti.passbackid'}) {
870: $form{'lti.passbackid'} = $data{'lti.passbackid'};
871: }
872: if ($data{'lti.passbackurl'}) {
873: $form{'lti.passbackurl'} = $data{'lti.passbackurl'};
874: }
875: if ($data{'lti.rosterid'}) {
876: $form{'lti.rosterid'} = $data{'lti.rosterid'};
877: }
878: if ($data{'lti.rosterurl'}) {
879: $form{'lti.rosterurl'} = $data{'lti.rosterurl'};
880: }
881: if ($data{'lti.target'}) {
882: $form{'lti.target'} = $data{'lti.target'};
883: }
884: &Apache::loncommon::content_type($r,'text/html');
885: $r->send_http_header;
886: &Apache::ltiauth::lti_reqcrs($r,$data{'domain'},\%form,$data{'username'},$data{'domain'});
887: } else {
888: if (ref($lti_env) eq 'HASH') {
889: delete($lti_env->{'reqcrs'});
890: delete($lti_env->{'reqrole'});
891: delete($lti_env->{'selfenrollrole'});
892: }
893: if ($data{'lti.selfenrollrole'}) {
894: if (&Apache::ltiauth::lti_enroll($data{'username'},$data{'domain'},
895: $data{'lti.selfenrollrole'}) eq 'ok') {
896: my $url = '/adm/roles?selectrole=1&'.
897: &escape($data{'lti.selfenrollrole'}).'=1';
898: if ($data{'origurl'} =~ m{/default_\d+\.sequence$}) {
899: $url .= '&orgurl='.$data{'origurl'}.'&navmap=1';
900: } elsif ($data{'origurl'} ne '') {
901: $url .= '&orgurl='.$data{'origurl'};
902: }
903: if (ref($lti_env) eq 'HASH') {
904: &Apache::lonnet::appenv($lti_env);
905: }
906: $r->internal_redirect($url);
907: } else {
908: &Apache::ltiauth::invalid_request($r,23);
909: }
910: } elsif ($data{'origurl'} ne '') {
911: my $url = $data{'origurl'};
912: if ($url =~ m{/default_\d+\.sequence$}) {
913: $url .= (($url =~/\?/)?'&':'?').'navmap=1';
914: }
915: if (ref($lti_env) eq 'HASH') {
916: &Apache::lonnet::appenv($lti_env);
917: }
918: $r->internal_redirect($url);
919: } else {
920: if (ref($lti_env) eq 'HASH') {
921: &Apache::lonnet::appenv($lti_env);
922: }
923: }
924: }
925: } elsif ($data{'origurl'} ne '') {
926: my $dest = $data{'origurl'};
927: if (($env{'request.deeplink.login'} eq $data{'origurl'}) &&
928: (($env{'request.linkprot'}) || ($env{'request.linkkey'} ne ''))) {
929: my %info;
930: if ($env{'request.linkprot'}) {
931: $info{'linkprot'} = $env{'request.linkprot'};
932: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
933: if ($data{$item}) {
934: $info{$item} = $data{$item};
935: }
936: }
937: } elsif ($env{'request.linkkey'} ne '') {
938: $info{'linkkey'} = $env{'request.linkkey'};
939: }
940: $info{'origurl'} = $data{'origurl'};
941: if ($checklaunch) {
942: $info{'checklaunch'} = 1;
943: }
944: if ($prevlaunch) {
945: $info{'prevlaunch'} = $prevlaunch;
946: }
947: my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
948: unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) ||
949: ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
950: $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
951: }
952: }
953: $r->internal_redirect($dest);
954: } elsif ($env{'request.course.id'}) {
955: $r->internal_redirect('/adm/navmaps');
956: } else {
957: $r->internal_redirect('/adm/roles');
958: }
959: } else {
960: my $desturl = '/adm/roles';
961: if ($data{'lti.login'}) {
962: if ($data{'lti.selfenrollrole'}) {
963: $desturl .= '?selectrole=1&'.
964: &escape($data{'lti.selfenrollrole'}).'=1';
965: if ($data{'origurl'} ne '') {
966: $desturl .= '&orgurl='.$data{'origurl'};
967: if ($data{'origurl'} =~ m{/default_\d+\.sequence$}) {
968: $desturl .= '&navmap=1';
969: }
970: }
971: } elsif ($data{'origurl'} ne '') {
972: $desturl = $data{'origurl'};
973: if ($desturl =~ m{/default_\d+\.sequence$}) {
974: $desturl .= (($desturl =~/\?/)?'&':'?').'navmap=1';
975: }
976: }
977: } elsif ($data{'origurl'} ne '') {
978: $desturl = $data{'origurl'};
979: if ($data{'linkprot'}) {
980: my ($linkprotector,$linkuri) = split(/:/,$data{'linkprot'},2);
981: if ($linkprotector) {
982: if (ref($extra_env) eq 'HASH') {
983: $extra_env->{'user.linkprotector'} = $linkprotector;
984: $extra_env->{'user.linkproturi'} = $linkuri;
985: $extra_env->{'request.linkprot'} = $data{'linkprot'};
986: } else {
987: $extra_env = {'user.linkprotector' => $linkprotector,
988: 'user.linkproturi' => $linkuri,
989: 'request.linkprot' => $data{'linkprot'}};
990: }
991: if ($data{'linkprotexit'}) {
992: $extra_env->{'request.linkprotexit'} = $data{'linkprotexit'};
993: }
994: if ($data{'linkprotpbid'}) {
995: $extra_env->{'request.linkprotpbid'} = $data{'linkprotpbid'};
996: }
997: if ($data{'linkprotpburl'}) {
998: $extra_env->{'request.linkprotpburl'} = $data{'linkprotpburl'};
999: }
1000: }
1001: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1002: if ($data{$item} ne '') {
1003: $form{$item} = $data{$item};
1004: }
1005: }
1006: } elsif ($data{'linkkey'} ne '') {
1007: if (ref($extra_env) eq 'HASH') {
1008: $extra_env->{'user.deeplinkkey'} = $data{'linkkey'};
1009: $extra_env->{'user.keyedlinkuri'} = $data{'deeplink.login'};
1010: $extra_env->{'request.linkkey'} = $data{'linkkey'};
1011: } else {
1012: $extra_env = {'user.deeplinkkey' => $data{'linkkey'},
1013: 'user.keyedlinkuri' => $data{'deeplink.login'},
1014: 'request.linkkey' => $data{'linkkey'}};
1015: }
1016: }
1017: if ($data{'deeplink.login'}) {
1018: if (ref($extra_env) eq 'HASH') {
1019: $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
1020: } else {
1021: $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
1022: }
1023: }
1024: if ($desturl eq '/adm/email') {
1025: if (($data{'display'}) && ($data{'mailrecip'})) {
1026: if (&unescape($data{'mailrecip'}) eq "$data{'username'}:$data{'domain'}") {
1027: $form{'display'} = &unescape($data{'display'});
1028: }
1029: }
1030: }
1031: }
1032: my $skipcritical;
1033: if ($data{'lti.login'}) {
1034: if ((($data{'lti.reqcrs'}) &&
1035: ($data{'lti.reqrole'} eq 'cc')) ||
1036: ($data{'lti.selfenrollrole'})) {
1037: $skipcritical = 1;
1038: }
1039: }
1040: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
1041: $home,$desturl,$extra_env,\%form,$skipcritical,'',
1042: $expirepub,$data{'lcssowin'});
1043: }
1044: return OK;
1045: }
1046:
1047: if ($data{'lti.login'}) {
1048: my $handle = &Apache::lonnet::check_for_valid_session($r);
1049: if ($handle) {
1050: &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
1051: $handle);
1052: my $needslogout;
1053: if ($env{'request.lti.login'}) {
1054: if (($env{'user.name'} ne $data{'username'}) ||
1055: ($env{'user.domain'} ne $data{'domain'})) {
1056: $needslogout = 1;
1057: }
1058: } else {
1059: $needslogout = 1;
1060: }
1061: if ($needslogout) {
1062: &logout($r,$ip,$handle,\%data,$lti_env);
1063: return OK;
1064: }
1065: }
1066: }
1067:
1068: # check if current user, and role match those expected.
1069: my ($next_url,$reuse_session);
1070: if (($env{'user.name'} eq $data{'username'}) && ($env{'user.domain'} eq $data{'domain'}) &&
1071: ($env{'request.role'} eq $data{'role'}) && ($data{'origurl'} ne '')) {
1072: $next_url = $data{'origurl'};
1073: $reuse_session = 1;
1074: } elsif ($data{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) {
1075: $next_url=$data{'origurl'};
1076: } else {
1077: if ($data{'lti.login'}) {
1078: $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
1079: if ($data{'origurl'} ne '') {
1080: $next_url .= '&orgurl='.&escape($data{'origurl'});
1081: }
1082: } else {
1083: $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
1084: if ($data{'origurl'} ne '') {
1085: $next_url .= '&orgurl='.&escape($data{'origurl'});
1086: }
1087: }
1088: }
1089: if ($data{'lti.login'}) {
1090: if (($data{'origurl'} =~ m{/default_\d+\.sequence$}) ||
1091: ($data{'origurl'} =~ m{^/res/.+\.sequence$})) {
1092: if ($reuse_session) {
1093: $next_url .= '&navmap=1';
1094: } else {
1095: $next_url .= '&navmap=1';
1096: }
1097: }
1098: }
1099: if ($reuse_session) {
1100: $r->internal_redirect($next_url);
1101: } else {
1102: if ($data{'deeplink.login'}) {
1103: if (ref($extra_env) eq 'HASH') {
1104: $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
1105: } else {
1106: $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
1107: }
1108: if ($data{'linkprot'}) {
1109: $extra_env->{'request.linkprot'} = $data{'linkprot'};
1110: if ($data{'linkprotexit'}) {
1111: $extra_env->{'request.linkprotexit'} = $data{'linkprotexit'};
1112: }
1113: if ($data{'linkprotpbid'}) {
1114: $extra_env->{'request.linkprotpassbid'} = $data{'linkprotpbid'};
1115: }
1116: if ($data{'linkprotpburl'}) {
1117: $extra_env->{'request.linkprotpassburl'} = $data{'linkprotpburl'};
1118: }
1119: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1120: if ($data{$item}) {
1121: $form{'request.'.$item} = $data{$item};
1122: }
1123: }
1124: } elsif ($data{'linkkey'} ne '') {
1125: $extra_env->{'request.linkkey'} = $data{'linkkey'};
1126: }
1127: }
1128: &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
1129: $next_url,$extra_env,\%form,'',$cid,'',$data{'lcssowin'});
1130: }
1131: return OK;
1132: }
1133:
1134: 1;
1135: __END__
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