--- loncom/auth/lonroles.pm	2017/02/20 18:29:28	1.326
+++ loncom/auth/lonroles.pm	2017/10/27 17:43:47	1.335
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.326 2017/02/20 18:29:28 raeburn Exp $
+# $Id: lonroles.pm,v 1.335 2017/10/27 17:43:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -204,7 +204,7 @@ sub handler {
     my $r = shift;
 
     # Check for critical messages and redirect if present.
-    my ($redirect,$url) = &Apache::loncommon::critical_redirect(300);
+    my ($redirect,$url) = &Apache::loncommon::critical_redirect(300,'roles');
     if ($redirect) {
         &Apache::loncommon::content_type($r,'text/html');
         $r->header_out(Location => $url);
@@ -578,12 +578,32 @@ ENDENTERKEY
 			my ($furl,$ferr)=
 			    &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
                         unless ($ferr) {
+                            &Apache::lonnet::appenv({'request.course.timechecked'=>$now});
                             unless (($env{'form.switchrole'}) || 
                                     ($env{"environment.internal.$cdom.$cnum.$role.adhoc"})) {
                                 &Apache::lonnet::put('nohist_crslastlogin',
                                     {$env{'user.name'}.':'.$env{'user.domain'}.
                                      ':'.$csec.':'.$role => $now},$cdom,$cnum);
                             }
+                            if (($env{"environment.internal.$cdom.$cnum.$role.adhoc"}) &&
+                                (&Apache::lonnet::allowed('vxc',$cdom.'_'.$cnum))) {
+                                my $owner = $env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'};
+                                my @coowners = split(/,/,$env{'course.'.$env{'request.course.id'}.'.internal.co-owners'});
+                                my %auaccess;
+                                foreach my $user ($owner,@coowners) {
+                                    my ($cpname,$cpdom) = split(/:/,$user);
+                                    my %auroles = &Apache::lonnet::get_my_roles($cpname,$cpdom,'userroles',undef,['au','ca','aa'],[$cdom]);
+                                    foreach my $key (keys(%auroles)) {
+                                        my ($auname,$audom,$aurole) = split(/:/,$key);
+                                        if ($aurole eq 'au') {
+                                            $auaccess{$cpname} = 1;
+                                        } else {
+                                            $auaccess{$auname} = 1;
+                                        }
+                                    }
+                                }
+                                &Apache::lonnet::appenv({'request.course.adhocsrcaccess' => join(',',sort(keys(%auaccess))) });
+                            }
                             my ($feeds,$syllabus_time);
                             &Apache::lonrss::advertisefeeds($cnum,$cdom,undef,\$feeds);
                             &Apache::lonnet::appenv({'request.course.feeds' => $feeds});
@@ -674,7 +694,8 @@ ENDENTERKEY
                                                     }
                                                 }
                                             }
-                                            if ($dest =~ m{^\Q/public/$cdom/$cnum/syllabus\E.*(\?|\&)usehttp=1}) {
+                                            if (($dest =~ m{^\Q/public/$cdom/$cnum/syllabus\E.*(\?|\&)usehttp=1}) ||
+                                                ($dest =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
                                                 if ($ENV{'SERVER_PORT'} == 443) {
                                                     my $hostname = $r->hostname();
                                                     if ($hostname ne '') {
@@ -1096,9 +1117,11 @@ ENDHEADER
 # ----------------------------------------------------------------------- Table
 
     if (($numdc > 0) || (($numhelpdesk > 0) && ($numadhoc > 0))) {
-        $r->print(&coursepick_jscript());
-        $r->print(&Apache::loncommon::coursebrowser_javascript().
-                  &Apache::loncommon::authorbrowser_javascript());
+        $r->print(&coursepick_jscript().
+                  &Apache::loncommon::coursebrowser_javascript());
+    }
+    if ($numdc > 0) {
+        $r->print(&Apache::loncommon::authorbrowser_javascript());
     }
 
     unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) {
@@ -1237,6 +1260,7 @@ sub gather_roles {
     my $advanced = $env{'user.adv'};
     my $tryagain = $env{'form.tryagain'};
     my @ids = &Apache::lonnet::current_machine_ids();
+    my (%willtrust,%trustchecked);
     if (ref($roles_in_env) eq 'HASH') {
         my %adhocdesc;
         foreach my $envkey (sort(keys(%{$roles_in_env}))) {
@@ -1305,10 +1329,23 @@ sub gather_roles {
                 if (($role eq 'ca') || ($role eq 'aa')) {
                     my $home = &Apache::lonnet::homeserver($trest,$tdom);
                     my $allowed=0;
+                    my $prohibited;
                     foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
                     if (!$allowed) {
                         $button=0;
-                        $switchserver='otherserver='.$home.'&role='.$trolecode;
+                        unless ($trustchecked{$tdom}) {
+                            if ((&Apache::lonnet::will_trust('othcoau',$tdom,$env{'user.domain'})) &&
+                                (&Apache::lonnet::will_trust('coremau',$env{'user.domain'},$tdom))) {
+                                $willtrust{$tdom} = 1;
+                                $trustchecked{$tdom} = 1;
+                            }
+                        } 
+                        if ($willtrust{$tdom}) {
+                            $switchserver='otherserver='.$home.'&role='.$trolecode;
+                        } else {
+                            $prohibited = 1;
+                            $tremark .= &mt('Session switch required but prohibited.');
+                        }
                     }
                     #next if ($home eq 'no_host');
                     $home = &Apache::lonnet::hostname($home);
@@ -1317,7 +1354,9 @@ sub gather_roles {
                         ': '.$tdom.'<br />'.
                         ' '.&mt('Server').':&nbsp;'.$home;
                     $env{'course.'.$tdom.'_'.$trest.'.description'}='ca';
-                    $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
+                    unless ($prohibited) {
+                        $tremark.=&Apache::lonhtmlcommon::authorbombs('/res/'.$tdom.'/'.$trest.'/');
+                    }
                     $sortkey=$role."$trest:$tdom";
                 } elsif ($role eq 'au') {
                     # Authors
@@ -1734,9 +1773,11 @@ sub privileges_info {
 sub build_roletext {
     my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$trole,$twhere,
         $tpstart,$tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning,$skipcal) = @_;
-    my ($roletext,$roletext_end);
-    my $is_dc=($trolecode =~ m/^dc\./);
-    my $rowspan=($is_dc) ? ''
+    my ($roletext,$roletext_end,$poss_adhoc);
+    if ($trolecode =~ m/^d(c|h|a)\./) {
+        $poss_adhoc = 1;
+    }
+    my $rowspan=($poss_adhoc) ? ''
                          : ' rowspan="2" ';
 
     unless ($nochoose) {
@@ -1797,7 +1838,7 @@ sub build_roletext {
               .'<td>'.$twhere.'</td>'
               .'<td>'.$tpstart.'</td>'
               .'<td>'.$tpend.'</td>';
-    if (!$is_dc) {
+    unless ($poss_adhoc) {
         $roletext_end = '<td colspan="4">'.
                         $tremark.'&nbsp;'.
                         '</td>';
@@ -1828,7 +1869,7 @@ sub check_for_adhoc {
     my $numhelpdesk = 0;
     my $numadhoc = 0;
     my $num_custom_adhoc = 0; 
-    if ($env{'user.adv'}) {
+    if (($env{'user.adv'}) || ($env{'user.rar'})) {
         foreach my $envkey (sort(keys(%env))) {
             if ($envkey=~/^user\.role\.(dc|dh|da)\.\/($match_domain)\/$/) {
                 my $role = $1;
@@ -2060,9 +2101,9 @@ sub adhoc_roles_row {
     my ($dcdom,$rowtype) = @_;
     my $output = &Apache::loncommon::continue_data_table_row()
                  .' <td colspan="5" class="LC_textsize_mobile">'
-                 .&mt('[_1]Ad hoc[_2] roles in domain [_3] --'
+                 .&mt('[_1]Ad hoc[_2] roles in domain [_3]'
                      ,'<span class="LC_cusr_emph">','</span>',$dcdom)
-                 .' ';
+                 .' -- ';
     my $role = 'cc';
     my $selectcclink = &courselink($dcdom,$rowtype,$role);
     my $ccrole = &Apache::lonnet::plaintext('co',undef,undef,1);
@@ -2090,9 +2131,9 @@ sub adhoc_customroles_row {
         if (scalar(keys(%{$domdefaults{'adhocroles'}})) > 0) {
             return &Apache::loncommon::continue_data_table_row()
                   .' <td colspan="5" class="LC_textsize_mobile">'
-                  .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3] --',
+                  .&mt('[_1]Ad hoc[_2] course/community roles in domain [_3]',
                        '<span class="LC_cusr_emph">','</span>',$dhdom)
-                  .' '.&courselink($dhdom,$rowtype,$role);
+                  .' -- '.&courselink($dhdom,$rowtype,$role);
         }
     }
     return;