--- loncom/auth/switchserver.pm	2023/01/23 01:59:24	1.35.2.6.2.5
+++ loncom/auth/switchserver.pm	2022/09/13 12:22:14	1.63
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Switch Servers Handler
 #
-# $Id: switchserver.pm,v 1.35.2.6.2.5 2023/01/23 01:59:24 raeburn Exp $
+# $Id: switchserver.pm,v 1.63 2022/09/13 12:22:14 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -155,8 +155,12 @@ sub handler {
                     $skip_canhost_check = 1;
                 }
             } elsif ($env{'form.role'} =~ m{^[ac]a\./($match_domain)/($match_username)$}) {
-                if (&Apache::lonnet::homeserver($2,$1) eq $env{'form.otherserver'}) {
-                    $skip_canhost_check = 1; 
+                my ($audom,$auname) = ($1,$2);
+                if (&Apache::lonnet::homeserver($auname,$audom) eq $env{'form.otherserver'}) {
+                    if ((&Apache::lonnet::will_trust('othcoau',$env{'user.domain'},$audom)) &&
+                        (&Apache::lonnet::will_trust('coaurem',$audom,$env{'user.domain'}))) {                             
+                        $skip_canhost_check = 1;
+                    }
                 }
             }
         }
@@ -184,7 +188,12 @@ sub handler {
                                     if (exists($env{$rolekey})) {
                                         my ($start,$end) = split(/\./,$env{$rolekey});
                                         unless (($start && $start > $now) || ($end && $end < $now)) {
-                                            $hasrole = $rolekey;
+                                            if ($rolekey eq "user.role.au./$audom/") {
+                                                $hasrole = $rolekey;
+                                            } elsif ((&Apache::lonnet::will_trust('othcoau',$env{'user.domain'},$audom)) &&
+                                                     (&Apache::lonnet::will_trust('coaurem',$audom,$env{'user.domain'}))) {
+                                                $hasrole = $rolekey;
+                                            }
                                         }
                                         if ($hasrole) {
                                             $hasrole =~ s/^\Quser.role.\E//;
@@ -242,6 +251,10 @@ sub handler {
     my $logmsg = "Switch Server to $env{'form.otherserver'}";
     if ($env{'form.role'}) {
         $logmsg .= " with role: $env{'form.role'}";
+    } elsif (($env{'form.lti.reqcrs'}) && ($env{'form.lti.reqrole'} eq 'cc')) {
+        $logmsg .= " to create new LTI course";
+    } elsif ($env{'form.lti.selfenrollrole'}) {
+        $logmsg .= " to selfenroll with role: $env{'form.lti.selfenrollrole'}";
     } else {
         $logmsg .= " (no role)";
     }
@@ -269,9 +282,9 @@ sub handler {
 
 # ---------------------------------------------------------------- Get handover
 
-    my ($is_balancer,$setcookie,$newcookieid,$otherbalcookie);
+    my ($is_balancer,$setcookie,$newcookieid,$otherbalcookie,$offloadto,$dom_balancers);
     my $only_body = 0;
-    ($is_balancer,undef,$setcookie) =
+    ($is_balancer,undef,$setcookie,$offloadto,$dom_balancers) =
         &Apache::lonnet::check_loadbalancing($env{'user.name'},$env{'user.domain'},'switchserver');
     if ($is_balancer && $setcookie && $env{'form.otherserver'}) {
 
@@ -291,12 +304,25 @@ sub handler {
         $otherbalcookie = $env{'request.balancercookie'};
     }
 
-    my %info=('ip'       => $ip,
-	      'domain'   => $env{'user.domain'},
-	      'username' => $env{'user.name'},
-	      'role'     => $env{'form.role'},
-	      'server'   => $r->dir_config('lonHostID'),
-	      'balancer' => $is_balancer);
+    my %info=('ip'            => $ip,
+              'domain'        => $env{'user.domain'},
+              'username'      => $env{'user.name'},
+              'home'          => $env{'user.home'},
+              'role'          => $env{'form.role'},
+              'server'        => $r->dir_config('lonHostID'),
+              'balancer'      => $is_balancer,
+              'dom_balancers' => $dom_balancers,
+              'offloadto'     => '');
+    if (ref($offloadto) eq 'HASH') {
+        foreach my $key (keys(%{$offloadto})) {
+            if (ref($offloadto->{$key}) eq 'ARRAY') {
+                $info{'offloadto'} .= $key.'='.join(',',@{$offloadto->{$key}}).'&';
+            }
+        }
+        $info{'offloadto'} =~ s/\&$//;
+    } elsif (ref($offloadto) eq 'ARRAY') {
+        $info{'offloadto'} = join(',',@{$offloadto});
+    }
     if ($newcookieid) {
         $info{'balcookie'} = $newcookieid;
     } elsif ($otherbalcookie) {
@@ -304,12 +330,6 @@ sub handler {
     }
     if ($env{'form.origurl'}) {
         $info{'origurl'} = $env{'form.origurl'};
-        if ($env{'form.origurl'} eq '/adm/email') {
-            if ($env{'request.display'} && ($env{'request.mailrecip'} eq "$env{'user.name'}:$env{'user.domain'}")) {
-                $info{'display'} = &escape($env{'request.display'});
-                $info{'mailrecip'} = &escape($env{'request.mailrecip'});
-            }
-        }
     }
     if ($env{'form.symb'}) {
         $info{'symb'} = $env{'form.symb'};
@@ -321,7 +341,7 @@ sub handler {
         if (defined($r->dir_config("lonSSOUserLogoutScriptFile_$info{domain}"))) {
             if (open(my $fh,'<',$r->dir_config("lonSSOUserLogoutScriptFile_$info{domain}"))) {
                 $ssologoutscript .= join('',<$fh>);
-                close($fh);
+                close($fh); 
             }
         }
         if (defined($r->dir_config('lonSSOUserLogoutScriptFile'))) {
@@ -347,6 +367,39 @@ sub handler {
     if ($env{'request.deeplink.login'}) {
         $info{'deeplink.login'} = $env{'request.deeplink.login'};
     }
+    if ($env{'request.lti.login'}) {
+        $info{'lti.login'} = $env{'request.lti.login'};
+    }
+    if ($env{'request.lti.uri'}) {
+        $info{'lti.uri'} = $env{'request.lti.uri'};
+    }
+    if ($env{'request.lti.reqcrs'}) {
+        $info{'lti.reqcrs'} = $env{'request.lti.reqcrs'};
+    }
+    if ($env{'request.lti.reqrole'}) {
+        $info{'lti.reqrole'} = $env{'request.lti.reqrole'};
+    }
+    if ($env{'request.lti.selfenrollrole'}) {
+        $info{'lti.selfenrollrole'} = $env{'request.lti.selfenrollrole'};
+    }
+    if ($env{'request.lti.sourcecrs'}) {
+        $info{'lti.sourcecrs'} = $env{'request.lti.sourcecrs'};
+    }
+    if ($env{'request.lti.passbackid'}) {
+        $info{'lti.passbackid'} = $env{'request.lti.passbackid'};
+    }
+    if ($env{'request.lti.passbackurl'}) {
+        $info{'lti.passbackurl'} = $env{'request.lti.passbackurl'};
+    }
+    if ($env{'request.lti.rosterid'}) {
+        $info{'lti.rosterid'} = $env{'request.lti.rosterid'};
+    }
+    if ($env{'request.lti.rosterurl'}) {
+        $info{'lti.rosterurl'} = $env{'request.lti.rosterurl'};
+    }
+    if ($env{'request.lti.target'}) {
+        $info{'lti.target'} = $env{'request.lti.target'};
+    }
     my $token = &Apache::lonnet::tmpput(\%info,$env{'form.otherserver'});
     my @args = ("domain=$env{'user.domain'}",
                 "username=$env{'user.name'}",