--- loncom/lonnet/perl/lonnet.pm	2020/10/01 13:19:14	1.1172.2.118.2.8
+++ loncom/lonnet/perl/lonnet.pm	2020/05/04 15:07:10	1.1172.2.123
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.118.2.8 2020/10/01 13:19:14 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.123 2020/05/04 15:07:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1873,12 +1873,7 @@ sub get_dom {
         }
     }
     if ($udom && $uhome && ($uhome ne 'no_host')) {
-        my $rep;
-        if ($namespace =~ /^enc/) {
-            $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
-        } else {
-            $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
-        }
+        my $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
         my %returnhash;
         if ($rep eq '' || $rep =~ /^error: 2 /) {
             return %returnhash;
@@ -1922,11 +1917,7 @@ sub put_dom {
             $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
         }
         $items=~s/\&$//;
-        if ($namespace =~ /^enc/) {
-            return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);
-        } else {
-            return &reply("putdom:$udom:$namespace:$items",$uhome);
-        }
+        return &reply("putdom:$udom:$namespace:$items",$uhome);
     } else {
         &logthis("put_dom failed - no homeserver and/or domain");
     }
@@ -2543,22 +2534,6 @@ sub get_passwdconf {
     return %passwdconf;
 }
 
-sub course_portal_url {
-    my ($cnum,$cdom) = @_;
-    my $chome = &homeserver($cnum,$cdom);
-    my $hostname = &hostname($chome);
-    my $protocol = $protocol{$chome};
-    $protocol = 'http' if ($protocol ne 'https');
-    my %domdefaults = &get_domain_defaults($cdom);
-    my $firsturl;
-    if ($domdefaults{'portal_def'}) {
-        $firsturl = $domdefaults{'portal_def'};
-    } else {
-        $firsturl = $protocol.'://'.$hostname;
-    }
-    return $firsturl;
-}
-
 # --------------------------------------------------- Assign a key to a student
 
 sub assign_access_key {
@@ -3094,27 +3069,6 @@ sub repcopy {
     }
 }
 
-# ------------------------------------------------- Unsubscribe from a resource
-
-sub unsubscribe {
-    my ($fname) = @_;
-    my $answer;
-    if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return $answer; }
-    $fname=~s/[\n\r]//g;
-    my $author=$fname;
-    $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
-    my ($udom,$uname)=split(/\//,$author);
-    my $home=homeserver($uname,$udom);
-    if ($home eq 'no_host') {
-        $answer = 'no_host';
-    } elsif (grep { $_ eq $home } &current_machine_ids()) {
-        $answer = 'home';
-    } else {
-        $answer = reply("unsub:$fname",$home);
-    }
-    return $answer;
-}
-
 # ------------------------------------------------ Get server side include body
 sub ssi_body {
     my ($filelink,%form)=@_;
@@ -3273,18 +3227,12 @@ sub remove_stale_resfile {
                                     $stale = 1;
                                 }
                                 if ($stale) {
-                                    if (unlink($fname)) {
-                                        if ($uri!~/\.meta$/) {
-                                            if (-e $fname.'.meta') {
-                                                unlink($fname.'.meta');
-                                            }
-                                        }
-                                        my $unsubresult = &unsubscribe($fname);
-                                        unless ($unsubresult eq 'ok') {
-                                            &logthis("no unsub of $fname from $homeserver, reason: $unsubresult");
-                                        }
-                                        $removed = 1;
+                                    unlink($fname);
+                                    if ($uri!~/\.meta$/) {
+                                        unlink($fname.'.meta');
                                     }
+                                    &reply("unsub:$fname",$homeserver);
+                                    $removed = 1;
                                 }
                             }
                         }
@@ -3446,14 +3394,6 @@ sub can_edit_resource {
                             $cfile =  '/adm/wrapper'.$resurl;
                         }
                     }
-                } elsif ($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) {
-                    $incourse = 1;
-                    if ($env{'form.forceedit'}) {
-                        $forceview = 1;
-                    } else {
-                        $forceedit = 1;
-                    }
-                    $cfile = $resurl;
                 } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
                     $incourse = 1;
                     if ($env{'form.forceedit'}) {
@@ -3478,14 +3418,6 @@ sub can_edit_resource {
                     $forceedit = 1;
                 }
                 $cfile = $resurl;
-            } elsif (($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
-                $incourse = 1;
-                if ($env{'form.forceedit'}) {
-                    $forceview = 1;
-                } else {
-                    $forceedit = 1;
-                }
-                $cfile = $resurl;
             } elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) {
                 $incourse = 1;
                 $forceview = 1;
@@ -3495,13 +3427,8 @@ sub can_edit_resource {
                     $cfile = &clutter($res);
                 } else {
                     $cfile = $env{'form.suppurl'};
-                    my $escfile = &unescape($cfile);
-                    if ($escfile =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
-                        $cfile = '/adm/wrapper'.$escfile;
-                    } else {
-                        $escfile =~ s{^http://}{};
-                        $cfile = &escape("/adm/wrapper/ext/$escfile");
-                    }
+                    $cfile =~ s{^http://}{};
+                    $cfile = '/adm/wrapper/ext/'.$cfile;
                 }
             } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
                 if ($env{'form.forceedit'}) {
@@ -5474,10 +5401,9 @@ my %cachedtimes=();
 my $cachedtime='';
 
 sub load_all_first_access {
-    my ($uname,$udom,$ignorecache)=@_;
+    my ($uname,$udom)=@_;
     if (($cachedkey eq $uname.':'.$udom) &&
-        (abs($cachedtime-time)<5) && (!$env{'form.markaccess'}) &&
-        (!$ignorecache)) {
+        (abs($cachedtime-time)<5) && (!$env{'form.markaccess'})) {
         return;
     }
     $cachedtime=time;
@@ -5486,7 +5412,7 @@ sub load_all_first_access {
 }
 
 sub get_first_access {
-    my ($type,$argsymb,$argmap,$ignorecache)=@_;
+    my ($type,$argsymb,$argmap)=@_;
     my ($symb,$courseid,$udom,$uname)=&whichuser();
     if ($argsymb) { $symb=$argsymb; }
     my ($map,$id,$res)=&decode_symb($symb);
@@ -5498,7 +5424,7 @@ sub get_first_access {
     } else {
 	$res=$symb;
     }
-    &load_all_first_access($uname,$udom,$ignorecache);
+    &load_all_first_access($uname,$udom);
     return $cachedtimes{"$courseid\0$res"};
 }
 
@@ -6915,7 +6841,7 @@ sub currentdump {
    #
    my %returnhash=();
    #
-   if ($rep eq 'unknown_cmd') {
+   if ($rep eq "unknown_cmd") { 
        # an old lond will not know currentdump
        # Do a dump and make it look like a currentdump
        my @tmp = &dumpstore($courseid,$sdom,$sname,'.');
@@ -7831,7 +7757,7 @@ sub customaccess {
 # ------------------------------------------------- Check for a user privilege
 
 sub allowed {
-    my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_;
+    my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_;
     my $ver_orguri=$uri;
     $uri=&deversion($uri);
     my $orguri=$uri;
@@ -7848,7 +7774,7 @@ sub allowed {
 
     if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
 # Free bre access to adm and meta resources
-    if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$})) 
+    if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard)$})) 
 	 || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) 
 	&& ($priv eq 'bre')) {
 	return 'F';
@@ -8056,7 +7982,7 @@ sub allowed {
                 if ($noblockcheck) {
                     $thisallowed.=$value;
                 } else {
-                    my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
+                    my @blockers = &has_comm_blocking($priv,$symb,$uri);
                     if (@blockers > 0) {
                         $thisallowed = 'B';
                     } else {
@@ -8076,7 +8002,7 @@ sub allowed {
                         if ($noblockcheck) {
                             $thisallowed='F';
                         } else {
-                            my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
+                            my @blockers = &has_comm_blocking($priv,$symb,$refuri);
                             if (@blockers > 0) {
                                 $thisallowed = 'B';
                             } else {
@@ -8095,7 +8021,7 @@ sub allowed {
 	&& &is_portfolio_url($uri)) {
 	$thisallowed = &portfolio_access($uri,$clientip);
     }
-
+    
 # Full access at system, domain or course-wide level? Exit.
     if ($thisallowed=~/F/) {
 	return 'F';
@@ -8149,7 +8075,7 @@ sub allowed {
                    if ($noblockcheck) {
                        $thisallowed.=$value;
                    } else {
-                       my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
+                       my @blockers = &has_comm_blocking($priv,$symb,$uri);
                        if (@blockers > 0) {
                            $thisallowed = 'B';
                        } else {
@@ -8162,7 +8088,7 @@ sub allowed {
                $checkreferer=0;
            }
        }
-
+       
        if ($checkreferer) {
 	  my $refuri=$env{'httpref.'.$orguri};
             unless ($refuri) {
@@ -8191,7 +8117,7 @@ sub allowed {
                       if ($noblockcheck) {
                           $thisallowed.=$value;
                       } else {
-                          my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
+                          my @blockers = &has_comm_blocking($priv,$symb,$refuri);
                           if (@blockers > 0) {
                               $thisallowed = 'B';
                           } else {
@@ -8277,7 +8203,7 @@ sub allowed {
 	   }
        }
     }
-
+   
 #
 # Rest of the restrictions depend on selected course
 #
@@ -8435,10 +8361,6 @@ sub constructaccess {
 #
 # User for whom data are being temporarily cached.
 my $cacheduser='';
-# Course for which data are being temporarily cached.
-my $cachedcid='';
-# List of blocks passed to &get_commblock_resources();
-my $cachedblocks='';
 # Cached blockers for this user (a hash of blocking items).
 my %cachedblockers=();
 # When the data were last cached.
@@ -8448,22 +8370,13 @@ sub load_all_blockers {
     my ($uname,$udom,$blocks)=@_;
     if (($uname ne '') && ($udom ne '')) {
         if (($cacheduser eq $uname.':'.$udom) &&
-            ($cachedcid eq $env{'request.course.id'}) &&
-            (abs($cachedlast-time)<5) &&
-            (((ref($blocks) eq 'HASH') &&
-              ($cachedblocks eq join(',',sort(keys(%{$blocks}))))) ||
-             (!ref($blocks) && $cachedblocks eq ''))) {
+            (abs($cachedlast-time)<5)) {
             return;
         }
     }
     $cachedlast=time;
     $cacheduser=$uname.':'.$udom;
-    $cachedcid=$env{'request.course.id'};
     %cachedblockers = &get_commblock_resources($blocks);
-    if ((ref($blocks) eq 'HASH') && (keys(%{$blocks}) > 0)) {
-        $cachedblocks = join(',',sort(keys(%{$blocks})));
-    }
-    return;
 }
 
 sub get_comm_blocks {
@@ -8558,8 +8471,7 @@ sub get_commblock_resources {
                             }
                         }
                     }
-                    if ($interval[0] =~ /^(\d+)/) {
-                        my $timelimit = $1; 
+                    if ($interval[0] =~ /^\d+$/) {
                         my $first_access;
                         if ($type eq 'resource') {
                             $first_access=&get_first_access($interval[1],$item);
@@ -8569,7 +8481,7 @@ sub get_commblock_resources {
                             $first_access=&get_first_access($interval[1]);
                         }
                         if ($first_access) {
-                            my $timesup = $first_access+$timelimit;
+                            my $timesup = $first_access+$interval[0];
                             if ($timesup > $now) {
                                 my $activeblock;
                                 foreach my $res (@to_test) {
@@ -8601,7 +8513,7 @@ sub get_commblock_resources {
 }
 
 sub has_comm_blocking {
-    my ($priv,$symb,$uri,$nosymbcache,$noenccheck,$blocked,$blocks) = @_;
+    my ($priv,$symb,$uri,$blocks) = @_;
     my @blockers;
     return unless ($env{'request.course.id'});
     return unless ($priv eq 'bre');
@@ -8611,7 +8523,7 @@ sub has_comm_blocking {
     return unless (keys(%cachedblockers) > 0);
     my (%possibles,@symbs);
     if (!$symb) {
-        $symb = &symbread($uri,1,1,1,\%possibles,$nosymbcache,$noenccheck);
+        $symb = &symbread($uri,1,1,1,\%possibles);
     }
     if ($symb) {
         @symbs = ($symb);
@@ -8625,11 +8537,9 @@ sub has_comm_blocking {
         foreach my $block (keys(%cachedblockers)) {
             if ($block =~ /^firstaccess____(.+)$/) {
                 my $item = $1;
-                unless ($blocked) {
-                    if (($item eq $map) || ($item eq $symb)) {
-                        $noblock = 1;
-                        last;
-                    }
+                if (($item eq $map) || ($item eq $symb)) {
+                    $noblock = 1;
+                    last;
                 }
             }
             if (ref($cachedblockers{$block}) eq 'HASH') {
@@ -8640,20 +8550,18 @@ sub has_comm_blocking {
                         }
                     }
                 }
-                if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
-                    if ($cachedblockers{$block}{'maps'}{$map}) {
-                        unless (grep(/^\Q$block\E$/,@blockers)) {
-                            push(@blockers,$block);
-                        }
+            }
+            if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
+                if ($cachedblockers{$block}{'maps'}{$map}) {
+                    unless (grep(/^\Q$block\E$/,@blockers)) {
+                        push(@blockers,$block);
                     }
                 }
             }
         }
     }
-    unless ($noblock) {
-        return @blockers;
-    }
-    return;
+    return if ($noblock);
+    return @blockers;
 }
 }
 
@@ -10299,19 +10207,14 @@ sub writecoursepref {
 
 sub createcourse {
     my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
-        $course_owner,$crstype,$cnum,$context,$category,$callercontext)=@_;
+        $course_owner,$crstype,$cnum,$context,$category)=@_;
     $url=&declutter($url);
     my $cid='';
     if ($context eq 'requestcourses') {
         my $can_create = 0;
         my ($ownername,$ownerdom) = split(':',$course_owner);
         if ($udom eq $ownerdom) {
-            my $reload;
-            if (($callercontext eq 'auto') &&
-               ($ownerdom eq $env{'user.domain'}) && ($ownername eq $env{'user.name'})) {
-                $reload = 'reload';
-            }
-            if (&usertools_access($ownername,$ownerdom,$category,$reload,
+            if (&usertools_access($ownername,$ownerdom,$category,undef,
                                   $context)) {
                 $can_create = 1;
             }
@@ -11320,7 +11223,7 @@ sub get_userresdata {
 #  Parameters:
 #     $name      - Course/user name.
 #     $domain    - Name of the domain the user/course is registered on.
-#     $type      - Type of thing $name is (must be 'course' or 'user')
+#     $type      - Type of thing $name is (must be 'course' or 'user'
 #     @which     - Array of names of resources desired.
 #  Returns:
 #     The value of the first reasource in @which that is found in the
@@ -11341,40 +11244,11 @@ sub resdata {
     foreach my $item (@which) {
 	if (defined($result->{$item->[0]})) {
 	    return [$result->{$item->[0]},$item->[1]];
-        }
+	}
     }
     return undef;
 }
 
-sub get_domain_ltitools {
-    my ($cdom) = @_;
-    my %ltitools;
-    my ($result,$cached)=&is_cached_new('ltitools',$cdom);
-    if (defined($cached)) {
-        if (ref($result) eq 'HASH') {
-            %ltitools = %{$result};
-        }
-    } else {
-        my %domconfig = &get_dom('configuration',['ltitools'],$cdom);
-        if (ref($domconfig{'ltitools'}) eq 'HASH') {
-            %ltitools = %{$domconfig{'ltitools'}};
-            my %encdomconfig = &get_dom('encconfig',['ltitools'],$cdom);
-            if (ref($encdomconfig{'ltitools'}) eq 'HASH') {
-                foreach my $id (keys(%ltitools)) {
-                    if (ref($encdomconfig{'ltitools'}{$id}) eq 'HASH') {
-                        foreach my $item ('key','secret') {
-                            $ltitools{$id}{$item} = $encdomconfig{'ltitools'}{$id}{$item};
-                        }
-                    }
-                }
-            }
-        }
-        my $cachetime = 24*60*60;
-        &do_cache_new('ltitools',$cdom,\%ltitools,$cachetime);
-    }
-    return %ltitools;
-}
-
 sub get_numsuppfiles {
     my ($cnum,$cdom,$ignorecache)=@_;
     my $hashid=$cnum.':'.$cdom;
@@ -11830,7 +11704,7 @@ sub metadata {
     # if it is a non metadata possible uri return quickly
     if (($uri eq '') || 
 	(($uri =~ m|^/*adm/|) && 
-	     ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard|ext\.tool)$})) ||
+	     ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard)$})) ||
         ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
 	return undef;
     }
@@ -12526,26 +12400,19 @@ sub deversion {
 # ------------------------------------------------------ Return symb list entry
 
 sub symbread {
-    my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles,
-        $nocache,$noenccheck)=@_;
+    my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_;
     my $cache_str='request.symbread.cached.'.$thisfn;
-    if (defined($env{$cache_str}) && !$nocache) {
-        unless (ref($possibles) eq 'HASH') {
-            if ($ignorecachednull) {
-                return $env{$cache_str} unless ($env{$cache_str} eq '');
-            } else {
-                return $env{$cache_str};
-            }
+    if (defined($env{$cache_str})) {
+        if ($ignorecachednull) {
+            return $env{$cache_str} unless ($env{$cache_str} eq '');
+        } else {
+            return $env{$cache_str};
         }
     }
 # no filename provided? try from environment
     unless ($thisfn) {
         if ($env{'request.symb'}) {
-            if ($nocache) {
-                return &symbclean($env{'request.symb'});
-            } else {
-                return $env{$cache_str}=&symbclean($env{'request.symb'});
-            }
+            return $env{$cache_str}=&symbclean($env{'request.symb'});
         }
         $thisfn=$env{'request.filename'};
     }
@@ -12553,11 +12420,7 @@ sub symbread {
 # is that filename actually a symb? Verify, clean, and return
     if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
 	if (&symbverify($thisfn,$1)) {
-            if ($nocache) {
-                return &symbclean($thisfn);
-            } else {
-	        return $env{$cache_str}=&symbclean($thisfn);
-            }
+	    return $env{$cache_str}=&symbclean($thisfn);
 	}
     }
     $thisfn=declutter($thisfn);
@@ -12572,18 +12435,10 @@ sub symbread {
 	if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
 	    $targetfn=$1;
 	}
-        unless ($nocache) {
-            if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
-                          &GDBM_READER(),0640)) {
-	        $syval=$hash{$targetfn};
-                untie(%hash);
-            }
-            if ($syval) {
-                my @blockers = &has_comm_blocking('bre',$syval,$thisfn,$nocache,$noenccheck);
-                if (@blockers) {
-                    $syval='';
-                }
-            }
+        if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
+                      &GDBM_READER(),0640)) {
+	    $syval=$hash{$targetfn};
+            untie(%hash);
         }
 # ---------------------------------------------------------- There was an entry
         if ($syval) {
@@ -12616,19 +12471,13 @@ sub symbread {
 		     $syval=&encode_symb($bighash{'map_id_'.$mapid},
 						    $resid,$thisfn);
                      if (ref($possibles) eq 'HASH') {
-                         unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
-                             $possibles->{$syval} = 1;
-                         }
+                         $possibles->{$syval} = 1;
                      }
                      if ($checkforblock) {
-                         unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
-                             my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids},'',$noenccheck);
-                             if (@blockers) {
-                                 $syval = '';
-                                 untie(%bighash);
-                                 return '' if ($nocache);
-                                 return $env{$cache_str}='';
-                             }
+                         my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids});
+                         if (@blockers) {
+                             $syval = '';
+                             return;
                          }
                      }
                  } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
@@ -12647,13 +12496,12 @@ sub symbread {
                              if ($bighash{'map_type_'.$mapid} ne 'page') {
                                  my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
                                                              $resid,$thisfn);
-                                 next if ($bighash{'randomout_'.$id} && !$env{'request.role.adv'});
-                                 next unless (($noenccheck) || ($bighash{'encrypted_'.$id} eq $env{'request.enc'}));
+                                 if (ref($possibles) eq 'HASH') {
+                                     $possibles->{$syval} = 1;
+                                 }
                                  if ($checkforblock) {
-                                     my @blockers = &has_comm_blocking('bre',$poss_syval,$file,'',$noenccheck);
-                                     if (@blockers > 0) {
-                                         $syval = '';
-                                     } else {
+                                     my @blockers = &has_comm_blocking('bre',$poss_syval,$file);
+                                     unless (@blockers > 0) {
                                          $syval = $poss_syval;
                                          $realpossible++;
                                      }
@@ -12661,11 +12509,6 @@ sub symbread {
                                      $syval = $poss_syval;
                                      $realpossible++;
                                  }
-                                 if ($syval) {
-                                     if (ref($possibles) eq 'HASH') {
-                                         $possibles->{$syval} = 1;
-                                     }
-                                 }
                              }
 			 }
                      }
@@ -12678,15 +12521,10 @@ sub symbread {
            }
         }
         if ($syval) {
-            if ($nocache) {
-                return $syval;
-            } else {
-	        return $env{$cache_str}=$syval;
-            }
+	    return $env{$cache_str}=$syval;
         }
     }
     &appenv({'request.ambiguous' => $thisfn});
-    return '' if ($nocache);
     return $env{$cache_str}='';
 }
 
@@ -13521,8 +13359,6 @@ sub clutter {
 #		&logthis("Got a blank emb style");
 	    }
 	}
-    } elsif ($thisfn =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
-        $thisfn='/adm/wrapper'.$thisfn;
     }
     return $thisfn;
 }