--- loncom/auth/lonroles.pm	2017/01/21 19:58:05	1.324
+++ loncom/auth/lonroles.pm	2018/01/09 15:44:43	1.336
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.324 2017/01/21 19:58:05 raeburn Exp $
+# $Id: lonroles.pm,v 1.336 2018/01/09 15:44:43 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);
@@ -255,8 +255,9 @@ sub handler {
 
     my $envkey;
     my %dcroles = ();
-    my %dhroles = ();
-    my ($numdc,$numdh,$numadhoc) = &check_for_adhoc(\%dcroles,\%dhroles,$update,$then);
+    my %helpdeskroles = ();
+    my ($numdc,$numhelpdesk,$numadhoc) = 
+        &check_for_adhoc(\%dcroles,\%helpdeskroles,$update,$then);
     my $loncaparev = $r->dir_config('lonVersion');
 
 # ================================================================== Roles Init
@@ -268,9 +269,9 @@ sub handler {
         my $custom_adhoc;
         if ($env{'form.newrole'}) {
             $env{'form.'.$env{'form.newrole'}}=1;
-# Check if this is a Domain Helpdesk role trying to enter a course
+# Check if this is a Domain Helpdesk or Domain Helpdesk Assistant role trying to enter a course
             if ($env{'form.newrole'} =~ m{^cr/($match_domain)/\1\-domainconfig/\w+\./\1/$match_courseid$}) {
-                if ($dhroles{$1}) {
+                if ($helpdeskroles{$1}) {
                     $custom_adhoc = 1;
                 }
             }
@@ -321,9 +322,9 @@ sub handler {
                     }
                 }
             }
-        } elsif (($numdc > 0) || ($numdh > 0)) {
+        } elsif (($numdc > 0) || ($numhelpdesk > 0)) {
 # Check if user is a DC trying to enter a course or author space and needs privs to be created
-# Check if user is a DH trying to enter a course and needs privs to be created
+# Check if user is a DH or DA trying to enter a course and needs privs to be created
             foreach my $envkey (keys(%env)) {
 # Is this an ad-hoc Coordinator role?
                 if ($numdc) {
@@ -393,10 +394,10 @@ sub handler {
                         last;
                     }
                 }
-                if ($numdh) {
+                if ($numhelpdesk) {
 # Is this an ad hoc custom role in a course/community?
                     if (my ($domain,$rolename,$coursenum,$sec) = ($envkey =~ m{^form\.cr/($match_domain)/\1\-domainconfig/(\w+)\./\1/($match_courseid)(?:/(\w+)|$)})) {
-                        if ($dhroles{$domain}) {
+                        if ($helpdeskroles{$domain}) {
                             my ($possroles,$description) = &Apache::lonnet::get_my_adhocroles($domain.'_'.$coursenum,1);
                             if (ref($possroles) eq 'ARRAY') {
                                 if (grep(/^\Q$rolename\E$/,@{$possroles})) {
@@ -577,12 +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' => $feeds});
@@ -673,6 +694,15 @@ ENDENTERKEY
                                                     }
                                                 }
                                             }
+                                            if (($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 '') {
+                                                        $dest = 'http://'.$hostname.$dest;
+                                                    }
+                                                }
+                                            }
                                             if ($dest =~ m{^/enc/}) {
                                                 if ($env{'request.role.adv'}) {
                                                     $dest = &Apache::lonenc::unencrypted($dest);
@@ -705,7 +735,7 @@ ENDENTERKEY
                                         unless (($dest =~ m{^/enc/}) || ($dest =~ /(\?|\&)symb=.+___\d+___.+/)) {
                                             if (($destsymb ne '') && ($destsymb !~ m{^/enc/})) {
                                                 my $esc_symb = &escape($destsymb);
-                                                $dest .= '?symb='.$esc_symb;
+                                                $dest .= (($dest =~/\?/)? '&':'?').'symb='.$esc_symb;
                                             }
                                         }
                                         &redirect_user($r, &mt('Entering [_1]',
@@ -783,6 +813,12 @@ ENDENTERKEY
                                        $redirect_url);
                         return OK;
                     }
+                    if ($role eq 'da') {
+                        my $redirect_url = '/adm/menu/';
+                        &redirect_user($r,&mt('Loading Domain Helpdesk Assistant Menu'),
+                                       $redirect_url);
+                        return OK;
+                    }
                     if ($role eq 'sc') {
                         my $redirect_url = '/adm/grades?command=scantronupload';
                         &redirect_user($r,&mt('Loading Data Upload Page'),
@@ -1080,10 +1116,12 @@ ENDHEADER
     }
 # ----------------------------------------------------------------------- Table
 
-    if (($numdc > 0) || (($numdh > 0) && ($numadhoc > 0))) {
-        $r->print(&coursepick_jscript());
-        $r->print(&Apache::loncommon::coursebrowser_javascript().
-                  &Apache::loncommon::authorbrowser_javascript());
+    if (($numdc > 0) || (($numhelpdesk > 0) && ($numadhoc > 0))) {
+        $r->print(&coursepick_jscript().
+                  &Apache::loncommon::coursebrowser_javascript());
+    }
+    if ($numdc > 0) {
+        $r->print(&Apache::loncommon::authorbrowser_javascript());
     }
 
     unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) {
@@ -1116,7 +1154,7 @@ ENDHEADER
                 if ($role =~ m{^dc\./($match_domain)/$} 
 		    && $dcroles{$1}) {
 		    $output .= &adhoc_roles_row($1,'recent');
-                } elsif ($role =~ m{^(dh)\./($match_domain)/$}) {
+                } elsif ($role =~ m{^(dh|da)\./($match_domain)/$}) {
                     $output .= &adhoc_customroles_row($1,$2,'recent',$update,$then);
                 }
 	    } elsif ($numdc > 0) {
@@ -1222,6 +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}))) {
@@ -1290,10 +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);
@@ -1302,7 +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
@@ -1548,7 +1602,7 @@ sub print_rolerows {
                                     $output .= &adhoc_roles_row($1,'');
                                 }
                             }
-                        } elsif ($sortrole->{$which} =~ m{^user\.role\.(dh)\./($match_domain)/}) {
+                        } elsif ($sortrole->{$which} =~ m{^user\.role\.(dh|da)\./($match_domain)/}) {
                             $output .= &adhoc_customroles_row($1,$2,'',$update,$then);
                         }
                     }
@@ -1581,6 +1635,7 @@ sub findcourse_advice {
  <li>'.&mt('You are in a section of course for which automatic enrollment in the corresponding LON-CAPA course is not active.').'</li>
  <li>'.&mt('The start date for automated enrollment has yet to be reached.').'</li>
  <li>'.&mt('You registered for the course recently and there is a time lag between the time you register, and the time this information becomes available for the update of LON-CAPA course rosters.').'</li>
+ <li>'.&mt('Automated enrollment added you to the course in the time since you last logged in.').' '.&mt('If that is the case you can use the "Check for changes" link in the gray Functions bar to update the list of your available course roles.').'</li>   
  </ul>');
     } else {
         $r->print(&mt('If you were expecting to see an active role listed for a particular course, that course may not have been created yet.').'<br />');
@@ -1719,9 +1774,11 @@ sub privileges_info {
 sub build_roletext {
     my ($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 ($nochoose) {
@@ -1782,7 +1839,7 @@ sub build_roletext {
               .'<td>'.$twhere.'</td>'
               .'<td>'.$tpstart.'</td>'
               .'<td>'.$tpend.'</td>';
-    if (!$is_dc) {
+    unless ($poss_adhoc) {
         $roletext_end = '<td colspan="4">'.
                         $tremark.'&nbsp;'.
                         '</td>';
@@ -1808,21 +1865,20 @@ sub check_author_homeserver {
 }
 
 sub check_for_adhoc {
-    my ($dcroles,$dhroles,$update,$then) = @_;
+    my ($dcroles,$helpdeskroles,$update,$then) = @_;
     my $numdc = 0;
-    my $numdh = 0;
+    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)\.\/($match_domain)\/$/) {
+            if ($envkey=~/^user\.role\.(dc|dh|da)\.\/($match_domain)\/$/) {
                 my $role = $1;
                 my $roledom = $2;
                 my $liverole = 1;
                 my ($tstart,$tend)=split(/\./,$env{$envkey});
                 my $limit = $update;
-                if ((($role eq 'dc') && ($env{'request.role'} eq 'dc./'.$roledom.'/')) ||
-                    (($role eq 'dh') && ($env{'request.role'} eq 'dh./'.$roledom.'/'))) {
+                if ($env{'request.role'} eq "$role./$roledom/") {
                     $limit = $then;
                 }
                 if ($tstart && $tstart>$limit) { $liverole = 0; }
@@ -1832,20 +1888,20 @@ sub check_for_adhoc {
                         $dcroles->{$roledom} = $envkey;
                         $numdc++;
                     } else {
-                        $dhroles->{$roledom} = $envkey;
+                        $helpdeskroles->{$roledom} = $envkey;
                         my %domdefaults = &Apache::lonnet::get_domain_defaults($roledom);
                         if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
                             if (keys(%{$domdefaults{'adhocroles'}})) {
                                 $numadhoc ++;
                             }
                         }
-                        $numdh++;
+                        $numhelpdesk++;
                     }
                 }
             }
         }
     }
-    return ($numdc,$numdh,$numadhoc);
+    return ($numdc,$numhelpdesk,$numadhoc);
 }
 
 sub adhoc_course_role {
@@ -2046,9 +2102,9 @@ 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 $ccrole = &Apache::lonnet::plaintext('co',undef,undef,1);
@@ -2076,9 +2132,9 @@ sub adhoc_customroles_row {
         if (scalar(keys(%{$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;