--- loncom/auth/migrateuser.pm 2006/06/02 19:38:21 1.7
+++ loncom/auth/migrateuser.pm 2021/11/17 00:44:47 1.55
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Starts a user off based of an existing token.
#
-# $Id: migrateuser.pm,v 1.7 2006/06/02 19:38:21 albertel Exp $
+# $Id: migrateuser.pm,v 1.55 2021/11/17 00:44:47 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -29,32 +29,541 @@
package Apache::migrateuser;
use strict;
-use LONCAPA;
-use Apache::Constants qw(:common :http :methods);
+use LONCAPA qw(:DEFAULT :match);
+use Apache::Constants qw(:common :http :methods :remotehost);
use Apache::lonauth;
use Apache::lonnet;
+use Apache::loncommon;
use Apache::lonlocal;
+use Apache::lonlogin();
+use Apache::ltiauth;
+use Apache::switchserver;
+use CGI::Cookie;
sub goto_login {
- my ($r) = @_;
+ my ($r,$domain,$data) = @_;
+ if ((ref($data) eq 'HASH') && ($data->{'lti.login'})) {
+ &Apache::ltiauth::invalid_request($r,'22');
+ } else {
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ my $url = '/adm/login';
+ if ($domain) {
+ $url .= '?domain='.$domain;
+ }
+ $r->print(&Apache::loncommon::start_page('Going to login',undef,
+ {'redirect' => [0,$url],}).
+ '<h1>'.&mt('One moment please...').'</h1>'.
+ '<p>'.&mt('Transferring to login page.').'</p>'.
+ &Apache::loncommon::end_page());
+ }
+ return OK;
+}
+
+sub sso_check {
+ my ($data) = @_;
+ my %extra_env;
+ if (ref($data) eq 'HASH') {
+ if ($data->{'sso.login'}) {
+ $extra_env{'request.sso.login'} = $data->{'sso.login'};
+ }
+ if ($data->{'sso.reloginserver'}) {
+ $extra_env{'request.sso.reloginserver'} =
+ $data->{'sso.reloginserver'};
+ }
+ }
+ return \%extra_env;
+}
+
+sub lti_check {
+ my ($data) = @_;
+ my %lti_env;
+ if (ref($data) eq 'HASH') {
+ if ($data->{'lti.login'}) {
+ $lti_env{'request.lti.login'} = $data->{'lti.login'};
+ if ($data->{'lti.reqcrs'}) {
+ $lti_env{'request.lti.reqcrs'} = $data->{'lti.reqcrs'};
+ }
+ if ($data->{'lti.reqrole'}) {
+ $lti_env{'request.lti.reqrole'} = $data->{'lti.reqrole'};
+ }
+ if ($data->{'lti.selfenrollrole'}) {
+ $lti_env{'request.lti.selfenrollrole'} = $data->{'lti.selfenrollrole'};
+ }
+ if ($data->{'lti.uri'}) {
+ $lti_env{'request.lti.uri'} = $data->{'lti.uri'};
+ }
+ if ($data->{'lti.target'}) {
+ $lti_env{'request.lti.target'} = $data->{'lti.target'};
+ }
+ if ($data->{'lti.sourcecrs'}) {
+ $lti_env{'request.lti.sourcecrs'} = $data->{'lti.sourcecrs'};
+ }
+ }
+ if ($data->{'lti.passbackid'}) {
+ $lti_env{'request.lti.passbackid'} = $data->{'lti.passbackid'};
+ }
+ if ($data->{'lti.passbackurl'}) {
+ $lti_env{'request.lti.passbackurl'} = $data->{'lti.passbackurl'};
+ }
+ if ($data->{'lti.rosterid'}) {
+ $lti_env{'request.lti.rosterid'} = $data->{'lti.rosterid'};
+ }
+ if ($data->{'lti.rosterurl'}) {
+ $lti_env{'request.lti.rosterurl'} = $data->{'lti.rosterurl'};
+ }
+ }
+ return \%lti_env;
+}
+
+sub canhost {
+ my ($uname,$udom,$lonhost,$loncaparev) = @_;
+ my $canhost;
+ if (&Apache::lonnet::is_library($lonhost)) {
+ my @possdoms = &Apache::lonnet::current_machine_domains();
+ my %roleshash = &Apache::lonnet::get_my_roles($uname,$udom,'userroles','',['ca','aa'],\@possdoms);
+ if (keys(%roleshash)) {
+ foreach my $key (keys(%roleshash)) {
+ my $audom = (split(/:/,$key))[1];
+ if ((&Apache::lonnet::will_trust('othcoau',$udom,$audom)) &&
+ (&Apache::lonnet::will_trust('coaurem',$audom,$udom))) {
+ $canhost = 1;
+ last;
+ }
+ }
+ }
+ }
+ unless ($canhost) {
+ my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
+ my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
+ my @intdoms;
+ my $internet_names = &Apache::lonnet::get_internet_names($lonhost);
+ if (ref($internet_names) eq 'ARRAY') {
+ @intdoms = @{$internet_names};
+ }
+ if ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
+ $canhost = 1;
+ } else {
+ my $hostname = &Apache::lonnet::hostname($lonhost);
+ my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
+ my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+ my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
+ my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
+ $canhost =
+ &Apache::lonnet::can_host_session($udom,$lonhost,$loncaparev,
+ $udomdefaults{'remotesessions'},
+ $defdomdefaults{'hostedsessions'});
+ }
+ }
+ return $canhost;
+}
+
+sub ip_changed {
+ my ($r,$udom,$camefrom,$idsref,$dataref) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
- $r->print(&Apache::loncommon::start_page('Going to login',undef,
- {'redirect' =>
- [0,'/adm/login'],}).
- '<h1>'.&mt('One moment please...').'</h1>'.
- '<p>'.&mt('Transferring to login page.').'</p>'.
- &Apache::loncommon::end_page());
+ if (ref($dataref) eq 'HASH') {
+ my $title = 'LON-CAPA Session redirected';
+ my $message = &mt('Your internet address has changed since you logged in.');
+ my $rule_in_effect;
+ if ($dataref->{'balancer'}) {
+ my $baldom = &Apache::lonnet::host_domain($camefrom);
+ my $balprimaryid = &Apache::lonnet::domain($baldom,'primary');
+ my $balintdom = &Apache::lonnet::internet_dom($balprimaryid);
+ my $uprimaryid = &Apache::lonnet::domain($udom,'primary');
+ my $uintdom = &Apache::lonnet::internet_dom($uprimaryid);
+ my $dom_in_use;
+ if (($uintdom ne '') && ($uintdom eq $balintdom)) {
+ $dom_in_use = $udom;
+ } else {
+ $dom_in_use = $baldom;
+ }
+ my ($result,$cached)=&Apache::lonnet::is_cached_new('loadbalancing',$dom_in_use);
+ unless (defined($cached)) {
+ my $cachetime = 60*60*24;
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
+ if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
+ $result = &Apache::lonnet::do_cache_new('loadbalancing',$dom_in_use,
+ $domconfig{'loadbalancing'},$cachetime);
+ }
+ }
+ if (ref($result) eq 'HASH') {
+ (undef,my $currtargets,my $currrules) =
+ &Apache::lonnet::check_balancer_result($result,$dataref->{'server'});
+ if (ref($currrules) eq 'HASH') {
+ if ($dataref->{'sso.login'}) {
+ if ($currrules->{'_LC_ipchangesso'} ne '') {
+ $rule_in_effect = $currrules->{'_LC_ipchangesso'};
+ }
+ } else {
+ if ($currrules->{'_LC_ipchange'} ne '') {
+ $rule_in_effect = $currrules->{'_LC_ipchange'};
+ }
+ }
+ }
+ }
+ }
+ my $url;
+ my $lonhost= $r->dir_config('lonHostID');
+ my $switchto = $lonhost;
+ if ($rule_in_effect ne 'offloadedto') {
+ my ($hosthere,@ids);
+ if (ref($idsref) eq 'ARRAY') {
+ @ids=@{$idsref};
+ }
+ unless ($rule_in_effect eq 'balancer') {
+ if (grep(/^\Q$rule_in_effect\E$/,@ids)) {
+ $hosthere = 1;
+ }
+ }
+ unless ($hosthere) {
+ if ($dataref->{'role'}) {
+ my ($adom,$aname);
+ if ($dataref->{'role'} =~ m{^au\./($match_domain)/$}) {
+ $adom = $1;
+ $aname = $dataref->{'username'};
+ } elsif ($dataref->{'role'} =~ m{^(?:ca|aa)\./($match_domain)/($match_username)$}) {
+ $adom = $1;
+ $aname = $2;
+ }
+ if ($adom ne '' && $aname ne '') {
+ my $ahome = &Apache::lonnet::homeserver($aname,$adom);
+ unless ($ahome eq 'no_host') {
+ if ($ahome && grep(/^\Q$ahome\E$/,@ids)) {
+ $hosthere = 1;
+ }
+ }
+ }
+ }
+ }
+ unless ($hosthere) {
+ my $hostname;
+ if ($rule_in_effect eq 'balancer') {
+ $hostname = &Apache::lonnet::hostname($dataref->{'server'});
+ if ($hostname) {
+ $switchto = $dataref->{'server'};
+ }
+ } else {
+ $hostname = &Apache::lonnet::hostname($rule_in_effect);
+ if ($hostname) {
+ $switchto = $rule_in_effect;
+ }
+ }
+ if ($hostname) {
+ my $protocol = $Apache::lonnet::protocol{$switchto};
+ $protocol = 'http' if ($protocol ne 'https');
+ my $alias = &Apache::lonnet::use_proxy_alias($r,$switchto);
+ $hostname = $alias if ($alias ne '');
+ $url = $protocol.'://'.$hostname;
+ if ($rule_in_effect eq 'balancer') {
+ $message .= '<br />'.
+ &mt('As a result, your LON-CAPA session is being redirected to the server where you originally logged in.');
+ } else {
+ $message .= '<br />'.
+ &mt('As a result, your LON-CAPA session is being redirected.');
+ }
+ }
+ }
+ unless ($hosthere) {
+ if (($dataref->{'balancer'}) && ($dataref->{'balcookie'})) {
+ &Apache::lonnet::delbalcookie($dataref->{'balcookie'},$dataref->{'balancer'});
+ }
+ }
+ }
+ if ($dataref->{'sso.login'}) {
+ $url .= '/adm/roles';
+ } else {
+ $url .= '/adm/login';
+ if ($udom) {
+ $url .= '?domain='.$udom;
+ }
+ $message .= '<br />'.&mt('You will need to provide your password one more time.');
+ }
+ my %info= (
+ 'domain' => $udom,
+ 'username' => $dataref->{'username'},
+ 'sessionserver' => $lonhost,
+ );
+ my @names = ('origurl','symb','role','linkprot','linkkey');
+ foreach my $name (@names) {
+ if ($dataref->{$name} ne '') {
+ $info{$name} = $dataref->{$name};
+ }
+ }
+ my $iptoken = &Apache::lonnet::tmpput(\%info,$switchto,'link');
+ unless ($iptoken eq 'conlost') {
+ $url .= (($url =~ /\?/) ? '&' : '?') . 'iptoken='.$iptoken;
+ }
+ $r->print(&Apache::loncommon::start_page($title,undef,
+ {'redirect' =>
+ [2,$url],}).
+ '<h1>'.&mt('One moment please...').'</h1>'.
+ '<p class="LC_warning">'.$message.'</p>'.
+ &Apache::loncommon::end_page());
+ } else {
+ return &goto_login($r);
+ }
return OK;
}
+sub logout {
+ my ($r,$ip,$handle,$data,$lti_env) = @_;
+ my $lonidsdir=$r->dir_config('lonIDsDir');
+ if (unlink("$lonidsdir/$handle.id")) {
+ if (($env{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
+ (-l "$lonidsdir/$env{'user.linkedenv'}.id") &&
+ (readlink("$lonidsdir/$env{'user.linkedenv'}.id") eq "$lonidsdir/$handle.id")) {
+ unlink("$lonidsdir/$env{'user.linkedenv'}.id");
+ }
+ }
+ my %temp=('logout' => time);
+ &Apache::lonnet::put('email_status',\%temp);
+ &Apache::lonnet::log($env{'user.domain'},
+ $env{'user.name'},
+ $env{'user.home'},
+ "Logout $ip");
-sub sso_check {
- my ($data) = @_;
- if ($data->{'sso.login'}) {
- &Apache::lonnet::appenv(('request.sso.login' =>
- $data->{'sso.login'} ));
+ &Apache::loncommon::content_type($r,'text/html');
+
+ #expire the cookies
+ my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
+ foreach my $name (keys(%cookies)) {
+ next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
+ my $c = new CGI::Cookie(-name => $name,
+ -value => '',
+ -expires => '-10y',);
+ $r->headers_out->add('Set-cookie' => $c);
+ }
+ my (%info,%user_info,%lti_info);
+ if (ref($lti_env) eq 'HASH') {
+ foreach my $key (sort(keys(%{$lti_env}))) {
+ if ($key =~ /^request\.(.+)$/) {
+ $lti_info{$1} = $lti_env->{$key};
+ }
+ }
+ }
+ my $lonhost = $r->dir_config('lonHostID');
+ if (ref($data) eq 'HASH') {
+ %user_info=('ip' => $ip,
+ 'domain' => $data->{'domain'},
+ 'username' => $data->{'username'},
+ 'home' => $data->{'home'},
+ 'role' => $data->{'role'},
+ 'origurl' => $data->{'origurl'},
+ 'symb' => $data->{'symb'},
+ 'server' => $lonhost);
+ }
+ %info = (%user_info,%lti_info);
+ my $token = &Apache::lonnet::tmpput(\%info,$lonhost);
+ my $url = '/adm/migrateuser?token='.$token;
+ $r->send_http_header;
+ $r->print(
+ &Apache::loncommon::start_page('Updating Session ...',undef,
+ {'redirect' => [0.1,$url],
+ 'only_body' => 1,}).
+ &Apache::loncommon::end_page());
+ if ($env{'request.balancercookie'}) {
+ my ($balancer,$cookie) = split(/:/,$env{'request.balancercookie'});
+ if ((&Apache::lonnet::hostname($balancer)) && ($cookie =~ /^[a-f0-9]{32}$/)) {
+ $cookie = $env{'user.domain'}.'_'.$env{'user.name'}.'_'.$cookie;
+ &Apache::lonnet::delbalcookie($cookie,$balancer);
+ }
+ }
+ $r->register_cleanup(\&flush_course_logs);
+ return;
+}
+
+sub conlost_userhome {
+ my ($r,$idsref,$dataref) = @_;
+ return unless ((ref($idsref) eq 'ARRAY') && (ref($dataref) eq 'HASH'));
+ my @ids = @{$idsref};
+ my %data = %{$dataref};
+ my ($lonhost,$lowest_load,$otherserver,$is_balancer,%conlost,%posstargets);
+ $lonhost = $r->dir_config('lonHostID');
+ if (grep(/^\Q$lonhost\E$/,split(/,/,$data{'dom_balancers'}))) {
+ $is_balancer = 1;
+ }
+ $lowest_load = 30000;
+ if ($data{'conlost'} ne '') {
+ map { $conlost{$_} = 1; } split(/,/,$data{'conlost'});
+ }
+ if ($data{'loncfail'}) {
+ if ($lonhost ne $data{'from_balancer'}) {
+ my ($is_balancer,$posshost,$setcookie,$offloadto,$dom_balancers) =
+ &Apache::lonnet::check_loadbalancing($data{'username'},$data{'domain'});
+ if ($is_balancer) {
+ if (ref($offloadto) eq 'HASH') {
+ $data{'offloadto'} = '';
+ foreach my $key (keys(%{$offloadto})) {
+ if (ref($offloadto->{$key}) eq 'ARRAY') {
+ $data{'offloadto'} .= $key.'='.join(',',@{$offloadto->{$key}}).'&';
+ }
+ }
+ $data{'offloadto'} =~ s/\&$//;
+ } elsif (ref($offloadto) eq 'ARRAY') {
+ $data{'offloadto'} = join(',',@{$offloadto});
+ }
+ }
+ }
+ } else {
+ $conlost{$lonhost} = 1;
+ $data{'conlost'} = join(',',sort(keys(%conlost)));
+ }
+ if ($data{'offloadto'} =~ /\&/) {
+ foreach my $item (split(/\&/,$data{'offloadto'})) {
+ my ($type,$targets) = split(/\=/,$item);
+ @{$posstargets{$type}} = split(/,/,$targets);
+ }
+ } elsif ($data{'offloadto'} =~ /=/) {
+ my ($type,$targets) = split(/\=/,$data{'offloadto'});
+ @{$posstargets{$type}} = split(/,/,$targets);
+ } else {
+ @{$posstargets{'default'}} = split(/,/,$data{'offloadto'});
+ }
+ if (ref($posstargets{'primary'}) eq 'ARRAY') {
+ foreach my $try_server (@{$posstargets{'primary'}}) {
+ next if ($conlost{$try_server});
+ next if ((grep(/^\Q$try_server\E$/,@ids)) && !$data{'loncfail'});
+ ($otherserver,$lowest_load) =
+ &Apache::lonnet::compare_server_load($try_server,
+ $otherserver,
+ $lowest_load);
+ }
}
+ my $found_server = ($otherserver ne '' && $lowest_load < 100);
+ if (!$found_server) {
+ if (ref($posstargets{'default'}) eq 'ARRAY') {
+ foreach my $try_server (@{$posstargets{'default'}}) {
+ next if ($conlost{$try_server});
+ next if ((grep(/^\Q$try_server\E$/,@ids)) && !$data{'loncfail'});
+ ($otherserver,$lowest_load) =
+ &Apache::lonnet::compare_server_load($try_server,
+ $otherserver,
+ $lowest_load);
+ }
+ }
+ }
+ if ($otherserver ne '') {
+ my $switchto = &Apache::lonnet::hostname($otherserver);
+ if ($switchto ne '') {
+ $data{'server'} = $lonhost;
+ if ($data{'loncfail'}) {
+ delete($data{'loncfail'});
+ }
+ if (grep(/^\Q$otherserver\E$/,split(/,/,$data{'dom_balancers'}))) {
+ $data{'noloadbalance'} = $otherserver;
+ }
+ &do_server_switch($r,$otherserver,$switchto,$is_balancer,\%data);
+ return $otherserver;
+ } else {
+ #FIXME Contents of $data{offloadto} contains invalid hostID.
+ }
+ } else {
+ my (%poss_balancers,%tried_balancers);
+ map { $poss_balancers{$_} = 1; } split(/,/,$data{'dom_balancers'});
+ map { $tried_balancers{$_} = 1; } split(/,/,$data{'tried_balancers'});
+ if (keys(%poss_balancers)) {
+ foreach my $try_server (sort(keys(%poss_balancers))) {
+ next if (grep(/^\Q$try_server\E$/,@ids));
+ next if (($data{'loncfail'}) && ($tried_balancers{$try_server}));
+ my $alreadytried;
+ foreach my $key (keys(%posstargets)) {
+ if ((ref($posstargets{$key}) eq 'ARRAY') &&
+ (grep(/^\Q$try_server\E$/,@{$posstargets{$key}}))) {
+ $alreadytried = 1;
+ last;
+ }
+ }
+ unless ($alreadytried) {
+ if (&Apache::lonnet::reply('ping',$try_server) eq $try_server) {
+ $otherserver = $try_server;
+ last;
+ }
+ }
+ }
+ }
+ if ($otherserver ne '') {
+ my $switchto = &Apache::lonnet::hostname($otherserver);
+ if ($switchto ne '') {
+ $data{'server'} = $lonhost;
+ $data{'loncfail'} = $lonhost;
+ $tried_balancers{$otherserver} = 1;
+ $data{'tried_balancers'} = join(',',sort(keys(%tried_balancers)));
+ &do_server_switch($r,$otherserver,$switchto,$is_balancer,\%data);
+ return $otherserver;
+ } else {
+ #FIXME Contents of $data{'dom_balancers'} contains invalid hostID.
+ }
+ } else {
+ if ($data{'loncfail'}) {
+ #FIXME Nowhere to go.
+ } else {
+ # FIXME Send back to a balancer (no token); different balancer if this is a balancer.
+ # Send command to balancer to exclude this host using http instead on lonc/lond
+ }
+ }
+ }
+ return;
+}
+
+sub do_server_switch {
+ my ($r,$otherserver,$switchto,$is_balancer,$dataref) = @_;
+ if (ref($dataref) eq 'HASH') {
+ my $domain = $dataref->{'domain'};
+ my $username = $dataref->{'username'};
+ # If this is a balancer set a balancer cookie unless browser already sent
+ # LON-CAPA load balancer cookie which points at the target server.
+ if ($is_balancer) {
+ my $newcookieid;
+ my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
+ unless (($found_server eq $otherserver) &&
+ ($balancer_cookie =~ /^\Q$domain\E_\Q$username\E_/)) {
+ $newcookieid =
+ &Apache::switchserver::balancer_cookieid($r,$otherserver,$username,$domain);
+ if ($newcookieid) {
+ $dataref->{'balcookie'} = $newcookieid;
+ }
+ }
+ }
+ my $token = &Apache::lonnet::tmpput($dataref,$otherserver);
+ my $protocol = $Apache::lonnet::protocol{$otherserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ my $url = $protocol.'://'.$switchto.'/adm/login?domain='.$domain.
+ '&username='.$username.'&token='.$token;
+ $r->send_http_header;
+ $r->print(
+ &Apache::loncommon::start_page('Switching Server ...',undef,
+ {'redirect' => [0.1,$url]}).
+ &Apache::loncommon::end_page());
+ }
+ return;
+}
+
+sub log_switch {
+ my ($r,$data,$lti_env,$ip) = @_;
+ my $lonhost = $r->dir_config('lonHostID');
+ return unless ((ref($data) eq 'HASH') && (ref($lti_env) eq 'HASH'));
+ my $now = time;
+ my %temp=('switchserver' => $now.':'.$lonhost,$data->{'role'});
+ &Apache::lonnet::put('email_status',\%temp);
+ my $logmsg = "Switch Server to $lonhost";
+ if ($data->{'role'}) {
+ $logmsg .= " with role: ".$data->{'role'};
+ } elsif (($lti_env->{'reqcrs'}) && ($lti_env->{'reqrole'} eq 'cc')) {
+ $logmsg .= " to create new LTI course";
+ } elsif ($lti_env->{'selfenrollrole'}) {
+ $logmsg .= " to selfenroll with role: ".$lti_env->{'selfenrollrole'};
+ } else {
+ $logmsg .= " (no role)";
+ }
+ $logmsg .= ' '.$ip;
+ &Apache::lonnet::log($data->{'domain'},$data->{'username'},$data->{'home'},$logmsg);
+}
+
+sub flush_course_logs {
+ &Apache::lonnet::flushcourselogs();
+ return OK;
}
sub handler {
@@ -62,36 +571,456 @@ sub handler {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
my %data = &Apache::lonnet::tmpget($env{'form.token'});
+ if (keys(%data) == 0) {
+ return &goto_login($r);
+ }
my $delete = &Apache::lonnet::tmpdel($env{'form.token'});
&Apache::lonlocal::get_language_handle($r);
if ($delete ne 'ok') {
- return &goto_login($r);
+ return &goto_login($r,undef,\%data);
}
- if ($data{'ip'} ne $ENV{'REMOTE_ADDR'} || !defined($data{'username'}) ||
- !defined($data{'domain'}) ) {
- return &goto_login($r);
+ if (!defined($data{'username'}) || !defined($data{'domain'})) {
+ return &goto_login($r,undef,\%data);
+ }
+ my ($home,@ids);
+ @ids=&Apache::lonnet::current_machine_ids();
+ my $ip = &Apache::lonnet::get_requestor_ip($r,REMOTE_NOLOOKUP);
+ if ($data{'ip'} ne $ip) {
+ &Apache::lonnet::logthis('IP change when session migration requested -- was: '.
+ $data{'ip'}.'; now: '.$ip.' for '.$data{'username'}.':'.$data{'domain'});
+ return &ip_changed($r,$data{'domain'},$data{'server'},\@ids,\%data);
+ }
+ if ($data{'loncfail'}) {
+ &Apache::lonnet::logthis('Returned from '.$data{'server'}.' -- no connection to library node or other access node(s)');
+ my $otherserver = &conlost_userhome($r,\@ids,\%data);
+ if ($otherserver ne '') {
+ &Apache::lonnet::logthis("Switching to $otherserver");
+ }
+ return OK;
+ } else {
+ $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
+ if ($home eq 'no_host') {
+ if (($data{'home'} ne '') && (&Apache::lonnet::hostname($data{'home'}))) {
+ &Apache::lonnet::reconlonc($data{'home'});
+ $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
+ if ($home eq 'no_host') {
+ unless (grep(/^\Q$data{'home'}\E$/,@ids)) {
+ if (&Apache::lonnet::reply('ping',$data{'home'}) eq 'con_lost') {
+ my $otherserver = &conlost_userhome($r,\@ids,\%data);
+ if ($otherserver ne '') {
+ &Apache::lonnet::logthis("No connection to home server ($data{'home'}) for $data{'username'}:$data{'domain'}. Switching to $otherserver");
+ }
+ return OK;
+ }
+ }
+ }
+ }
+ }
}
- &Apache::lonnet::logthis("Allowing access for $data{'username'}\@$data{'domain'} to $data{'role'}");
- my $home=&Apache::lonnet::homeserver($data{'username'},$data{'domain'});
- if ($home =~ /(con_lost|no_such_host)/) { return &goto_login($r); }
+ my $udom;
+ if (&Apache::lonnet::domain($data{'domain'})) {
+ $udom=$data{'domain'};
+ }
+ if ($home eq 'no_host') { return &goto_login($r,$udom,\%data); }
+ if (&Apache::lonnet::hostname($home) eq '') { return &goto_login($r,$udom,\%data); }
+
+ unless (grep(/^\Q$home\E$/,@ids)) {
+ my $lonhost = $r->dir_config('lonHostID');
+ my $loncaparev = $r->dir_config('lonVersion');
+ unless (&canhost($data{'username'},$data{'domain'},$lonhost,$loncaparev)) {
+ return &goto_login($r,$udom,\%data);
+ }
+ }
- if (!$data{'role'}) {
- &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
- $home,'/adm/roles');
- &sso_check(\%data);
+ my $rolemsg;
+ if ($data{'role'}) {
+ $rolemsg = "role: $data{'role'}";
+ } else {
+ $rolemsg = '(no role)';
+ }
+
+ &Apache::lonnet::logthis("Allowing access for $data{'username'}:$data{'domain'} $rolemsg");
+
+ my $sso_env = &sso_check(\%data);
+ my $lti_env = <i_check(\%data);
+
+ my $extra_env;
+ if ((ref($sso_env) eq 'HASH') && (keys(%{$sso_env}))) {
+ $extra_env = $sso_env;
+ } elsif ((ref($lti_env) eq 'HASH') && (keys(%{$lti_env}))) {
+ $extra_env = $lti_env;
+ }
+ if (($data{'balancer'}) && ($data{'server'}) && ($data{'balcookie'})) {
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'request.balancercookie'} = $data{'server'}.':'.$data{'balcookie'};
+ } else {
+ $extra_env = { 'request.balancercookie' => $data{'server'}.':'.$data{'balcookie'} };
+ }
+ } elsif (($data{'server'}) && ($data{'otherbalcookie'})) {
+ my ($balancer,$balcookie) = split(/:/,$data{'otherbalcookie'});
+ if (defined(&Apache::lonnet::hostname($balancer)) && $balcookie =~ /^[a-f0-9]{32}$/) {
+ my $baldom = &Apache::lonnet::host_domain($balancer);
+ if (&Apache::lonnet::shared_institution($baldom)) {
+ my $cookieid = join('_',$udom,$data{'username'},$balcookie);
+ &Apache::lonnet::updatebalcookie($cookieid,$balancer,$data{'server'});
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'request.balancercookie'} = $data{'otherbalcookie'};
+ } else {
+ $extra_env = { 'request.balancercookie' => $data{'otherbalcookie'} };
+ }
+ }
+ }
+ }
+
+ if (($data{'conlost'}) && ($data{'server'})) {
+ my @conlosts = split(/,/,$data{'conlost'});
+ my $switchfrom = $data{'server'};
+ if (@conlosts) {
+ if (grep(/^\Q$switchfrom\E$/,@conlosts)) {
+ &log_switch($r,\%data,$extra_env,$ip);
+ }
+ }
+ }
+
+ my (%form,$cid);
+ if ($data{'symb'} ne '') {
+ $form{'symb'} = $data{'symb'};
+ }
+ if ($data{'iptoken'} ne '') {
+ $form{'iptoken'} = $data{'iptoken'};
+ }
+ if ($data{'noloadbalance'} ne '') {
+ $form{'noloadbalance'} = $data{'noloadbalance'};
+ }
+ if ($data{'role'}) {
+ if ($data{'role'} =~ m{\./($match_domain)/($match_courseid)(?:/\w+|$)}) {
+ unless (&Apache::lonnet::homeserver($2,$1) eq 'no_host') {
+ $cid = $1.'_'.$2;
+ }
+ }
+ } else {
+ my ($handle,$expirepub);
+ $handle = &Apache::lonnet::check_for_valid_session($r);
+
+# For "public user" - remove any exising "public" cookie so actual user is ogged in.
+ if ($handle) {
+ if ($handle=~/^publicuser\_/) {
+ my $lonidsdir=$r->dir_config('lonIDsDir');
+ if ($lonidsdir ne '') {
+ unlink("$lonidsdir/$handle.id");
+ }
+ undef($handle);
+ $expirepub = 1;
+ }
+ }
+ if ($handle) {
+ &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
+ $handle);
+ my $checklaunch;
+ if ($data{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) {
+ if ($env{'request.linkprot'} ne '') {
+ unless ($env{'request.linkprot'} eq $data{'linkprot'}) {
+ $checklaunch = 1;
+ }
+ }
+ if ($env{'request.linkkey'} ne '') {
+ unless ($env{'request.linkkey'} eq $data{'linkkey'}) {
+ $checklaunch = 1;
+ }
+ }
+ if ($env{'request.deeplink.login'}) {
+ unless ($env{'request.deeplink.login'} eq $data{'deeplink.login'}) {
+ $checklaunch = 1;
+ }
+ }
+ }
+ if ($data{'linkprot'} ne '') {
+ &Apache::lonnet::appenv({'request.linkprot' => $data{'linkprot'}});
+ if ($env{'request.linkkey'}) {
+ &Apache::lonnet::delenv('request.linkkey');
+ }
+ my ($linkprotector,$deeplink) = split(/:/,$data{'linkprot'},2);
+ if ($env{'user.linkprotector'}) {
+ my @protectors = split(/,/,$env{'user.linkprotector'});
+ unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
+ push(@protectors,$linkprotector);
+ @protectors = sort { $a <=> $b } @protectors;
+ &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
+ }
+ } else {
+ &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
+ }
+ if ($env{'user.linkproturi'}) {
+ my @proturis = split(/,/,$env{'user.linkproturi'});
+ unless(grep(/^\Q$deeplink\E$/,@proturis)) {
+ push(@proturis,$deeplink);
+ @proturis = sort @proturis;
+ &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
+ }
+ } else {
+ &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
+ }
+ } elsif ($data{'linkkey'} ne '') {
+ &Apache::lonnet::appenv({'request.linkkey' => $data{'linkkey'}});
+ if ($env{'request.linkprot'}) {
+ &Apache::lonnet::delenv('request.linkprot');
+ }
+ my $deeplink = $data{'deeplink.login'};
+ my $linkkey = $data{'linkkey'};
+ if ($env{'user.deeplinkkey'} ne '') {
+ my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
+ unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
+ push(@linkkeys,$linkkey);
+ &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
+ }
+ } else {
+ &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
+ }
+ if ($deeplink) {
+ if ($env{'user.keyedlinkuri'}) {
+ my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
+ unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
+ push(@keyeduris,$deeplink);
+ &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
+ }
+ } else {
+ &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
+ }
+ }
+ }
+ if ($data{'deeplink.login'}) {
+ &Apache::lonnet::appenv({'request.deeplink.login' => $data{'deeplink.login'}});
+ }
+ if ($data{'lti.login'}) {
+ my $needslogout;
+ if ($env{'request.lti.login'}) {
+ if (($env{'user.name'} ne $data{'username'}) ||
+ ($env{'user.domain'} ne $data{'domain'})) {
+ $needslogout = 1;
+ }
+ } else {
+ $needslogout = 1;
+ }
+# If access is via LTI, and user already has a non-LTI session cookie
+# (and session) or has an LTI session cookie for a different username,
+# logout the existing session, and start a new one
+ if ($needslogout) {
+ &logout($r,$ip,$handle,\%data,$lti_env);
+ } elsif (($data{'lti.reqcrs'}) && ($data{'lti.reqrole'} eq 'cc')) {
+ $form{'lti.reqcrs'} = $data{'lti.reqcrs'};
+ $form{'lti.reqrole'} = $data{'lti.reqrole'};
+ $form{'lti.sourcecrs'} = $data{'lti.sourcecrs'};
+ $form{'lti.uri'} = $data{'lti.uri'};
+ if ($data{'lti.passbackid'}) {
+ $form{'lti.passbackid'} = $data{'lti.passbackid'};
+ }
+ if ($data{'lti.passbackurl'}) {
+ $form{'lti.passbackurl'} = $data{'lti.passbackurl'};
+ }
+ if ($data{'lti.rosterid'}) {
+ $form{'lti.rosterid'} = $data{'lti.rosterid'};
+ }
+ if ($data{'lti.rosterurl'}) {
+ $form{'lti.rosterurl'} = $data{'lti.rosterurl'};
+ }
+ if ($data{'lti.target'}) {
+ $form{'lti.target'} = $data{'lti.target'};
+ }
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ &Apache::ltiauth::lti_reqcrs($r,$data{'domain'},\%form,$data{'username'},$data{'domain'});
+ } else {
+ if (ref($lti_env) eq 'HASH') {
+ delete($lti_env->{'reqcrs'});
+ delete($lti_env->{'reqrole'});
+ delete($lti_env->{'selfenrollrole'});
+ }
+ if ($data{'lti.selfenrollrole'}) {
+ if (&Apache::ltiauth::lti_enroll($data{'username'},$data{'domain'},
+ $data{'lti.selfenrollrole'}) eq 'ok') {
+ my $url = '/adm/roles?selectrole=1&'.
+ &escape($data{'lti.selfenrollrole'}).'=1';
+ if ($data{'origurl'} =~ m{/default_\d+\.sequence$}) {
+ $url .= '&orgurl='.$data{'origurl'}.'&navmap=1';
+ } elsif ($data{'origurl'} ne '') {
+ $url .= '&orgurl='.$data{'origurl'};
+ }
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ $r->internal_redirect($url);
+ } else {
+ &Apache::ltiauth::invalid_request($r,23);
+ }
+ } elsif ($data{'origurl'} ne '') {
+ my $url = $data{'origurl'};
+ if ($url =~ m{/default_\d+\.sequence$}) {
+ $url .= (($url =~/\?/)?'&':'?').'navmap=1';
+ }
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ $r->internal_redirect($url);
+ } else {
+ if (ref($lti_env) eq 'HASH') {
+ &Apache::lonnet::appenv($lti_env);
+ }
+ }
+ }
+ } elsif ($data{'origurl'} ne '') {
+ my $dest = $data{'origurl'};
+ if (($env{'request.deeplink.login'} eq $data{'origurl'}) &&
+ (($env{'request.linkprot'}) || ($env{'request.linkkey'} ne ''))) {
+ my %info;
+ if ($env{'request.linkprot'}) {
+ $info{'linkprot'} = $env{'request.linkprot'};
+ } elsif ($env{'request.linkkey'} ne '') {
+ $info{'linkkey'} = $env{'request.linkkey'};
+ }
+ $info{'origurl'} = $data{'origurl'};
+ if ($checklaunch) {
+ $info{'checklaunch'} = 1;
+ }
+ my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
+ unless (($token eq 'con_lost') || ($token eq 'refused') ||
+ ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
+ $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
+ }
+ }
+ $r->internal_redirect($dest);
+ } elsif ($env{'request.course.id'}) {
+ $r->internal_redirect('/adm/navmaps');
+ } else {
+ $r->internal_redirect('/adm/roles');
+ }
+ } else {
+ my $desturl = '/adm/roles';
+ if ($data{'lti.login'}) {
+ if ($data{'lti.selfenrollrole'}) {
+ $desturl .= '?selectrole=1&'.
+ &escape($data{'lti.selfenrollrole'}).'=1';
+ if ($data{'origurl'} ne '') {
+ $desturl .= '&orgurl='.$data{'origurl'};
+ if ($data{'origurl'} =~ m{/default_\d+\.sequence$}) {
+ $desturl .= '&navmap=1';
+ }
+ }
+ } elsif ($data{'origurl'} ne '') {
+ $desturl = $data{'origurl'};
+ if ($desturl =~ m{/default_\d+\.sequence$}) {
+ $desturl .= (($desturl =~/\?/)?'&':'?').'navmap=1';
+ }
+ }
+ } elsif ($data{'origurl'} ne '') {
+ $desturl = $data{'origurl'};
+ if ($data{'linkprot'}) {
+ my ($linkprotector,$linkuri) = split(/:/,$data{'linkprot'},2);
+ if ($linkprotector) {
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'user.linkprotector'} = $linkprotector;
+ $extra_env->{'user.linkproturi'} = $linkuri;
+ $extra_env->{'request.linkprot'} = $data{'linkprot'};
+ } else {
+ $extra_env = {'user.linkprotector' => $linkprotector,
+ 'user.linkproturi' => $linkuri,
+ 'request.linkprot' => $data{'linkprot'}};
+ }
+ }
+ } elsif ($data{'linkkey'} ne '') {
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'user.deeplinkkey'} = $data{'linkkey'};
+ $extra_env->{'user.keyedlinkuri'} = $data{'deeplink.login'};
+ $extra_env->{'request.linkkey'} = $data{'linkkey'};
+ } else {
+ $extra_env = {'user.deeplinkkey' => $data{'linkkey'},
+ 'user.keyedlinkuri' => $data{'deeplink.login'},
+ 'request.linkkey' => $data{'linkkey'}};
+ }
+ }
+ if ($data{'deeplink.login'}) {
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
+ } else {
+ $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
+ }
+ }
+ }
+ my $skipcritical;
+ if ($data{'lti.login'}) {
+ if ((($data{'lti.reqcrs'}) &&
+ ($data{'lti.reqrole'} eq 'cc')) ||
+ ($data{'lti.selfenrollrole'})) {
+ $skipcritical = 1;
+ }
+ }
+ &Apache::lonauth::success($r,$data{'username'},$data{'domain'},
+ $home,$desturl,$extra_env,\%form,$skipcritical,'',
+ $expirepub);
+ }
return OK;
}
- my $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
+ if ($data{'lti.login'}) {
+ my $handle = &Apache::lonnet::check_for_valid_session($r);
+ if ($handle) {
+ &Apache::lonnet::transfer_profile_to_env($r->dir_config('lonIDsDir'),
+ $handle);
+ my $needslogout;
+ if ($env{'request.lti.login'}) {
+ if (($env{'user.name'} ne $data{'username'}) ||
+ ($env{'user.domain'} ne $data{'domain'})) {
+ $needslogout = 1;
+ }
+ } else {
+ $needslogout = 1;
+ }
+ if ($needslogout) {
+ &logout($r,$ip,$handle,\%data,$lti_env);
+ return OK;
+ }
+ }
+ }
-
- &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
- $next_url);
- &sso_check(\%data);
+# check if current user, and role match those expected.
+ my ($next_url,$reuse_session);
+ if (($env{'user.name'} eq $data{'username'}) && ($env{'user.domain'} eq $data{'domain'}) &&
+ ($env{'request.role'} eq $data{'role'}) && ($data{'origurl'} ne '')) {
+ $next_url = $data{'origurl'};
+ $reuse_session = 1;
+ } elsif ($data{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) {
+ $next_url=$data{'origurl'};
+ } else {
+ $next_url='/adm/roles?selectrole=1&'.&escape($data{'role'}).'=1';
+ if ($data{'origurl'} ne '') {
+ $next_url .= '&orgurl='.&escape($data{'origurl'});
+ }
+ }
+ if ($data{'lti.login'}) {
+ if (($data{'origurl'} =~ m{/default_\d+\.sequence$}) ||
+ ($data{'origurl'} =~ m{^/res/.+\.sequence$})) {
+ $next_url .= '&navmap=1';
+ }
+ }
+ if ($reuse_session) {
+ $r->internal_redirect($next_url);
+ } elsif ($data{'deeplink.login'}) {
+ if (ref($extra_env) eq 'HASH') {
+ $extra_env->{'request.deeplink.login'} = $data{'deeplink.login'};
+ } else {
+ $extra_env = {'request.deeplink.login' => $data{'deeplink.login'}};
+ }
+ if ($data{'linkprot'}) {
+ $extra_env->{'request.linkprot'} = $data{'linkprot'};
+ } elsif ($data{'linkkey'} ne '') {
+ $extra_env->{'request.linkkey'} = $data{'linkkey'};
+ }
+ &Apache::lonauth::success($r,$data{'username'},$data{'domain'},$home,
+ $next_url,$extra_env,\%form,'',$cid);
+ }
return OK;
}