--- loncom/lonnet/perl/lonnet.pm	2023/01/16 19:10:08	1.1172.2.146.2.8
+++ loncom/lonnet/perl/lonnet.pm	2022/02/27 02:19:13	1.1172.2.147
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.146.2.8 2023/01/16 19:10:08 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.147 2022/02/27 02:19:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -127,7 +127,7 @@ our @EXPORT = qw(%env);
 	$logid ++;
         my $now = time();
 	my $id=$now.'00000'.$$.'00000'.$logid;
-        my $ip = &get_requestor_ip();
+        my $ip = &get_requestor_ip();  
         my $logentry = {
                          $id => {
                                   'exe_uname' => $env{'user.name'},
@@ -1309,29 +1309,6 @@ sub authenticate {
     return 'no_host';
 }
 
-sub can_switchserver {
-    my ($udom,$home) = @_;
-    my ($canswitch,@intdoms);
-    my $internet_names = &get_internet_names($home);
-    if (ref($internet_names) eq 'ARRAY') {
-        @intdoms = @{$internet_names};
-    }
-    my $uint_dom = &internet_dom(&domain($udom,'primary'));
-    if ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) {
-        $canswitch = 1;
-    } else {
-         my $serverhomeID = &get_server_homeID(&hostname($home));
-         my $serverhomedom = &host_domain($serverhomeID);
-         my %defdomdefaults = &get_domain_defaults($serverhomedom);
-         my %udomdefaults = &get_domain_defaults($udom);
-         my $remoterev = &get_server_loncaparev('',$home);
-         $canswitch = &can_host_session($udom,$home,$remoterev,
-                                        $udomdefaults{'remotesessions'},
-                                        $defdomdefaults{'hostedsessions'});
-    }
-    return $canswitch;
-}
-
 sub can_host_session {
     my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;
     my $canhost = 1;
@@ -1905,7 +1882,7 @@ sub dump_dom {
 # ------------------------------------------ get items from domain db files   
 
 sub get_dom {
-    my ($namespace,$storearr,$udom,$uhome,$encrypt)=@_;
+    my ($namespace,$storearr,$udom,$uhome)=@_;
     return if ($udom eq 'public');
     my $items='';
     foreach my $item (@$storearr) {
@@ -1932,12 +1909,8 @@ sub get_dom {
         if (grep { $_ eq $uhome } &current_machine_ids()) {
             # domain information is hosted on this machine
             $rep = &LONCAPA::Lond::get_dom("getdom:$udom:$namespace:$items");
-        } else {
-            if ($encrypt) {
-                $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
-            } else {
-                $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
-            }
+        } else {        
+            $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
         }
         my %returnhash;
         if ($rep eq '' || $rep =~ /^error: 2 /) {
@@ -1961,7 +1934,7 @@ sub get_dom {
 # -------------------------------------------- put items in domain db files 
 
 sub put_dom {
-    my ($namespace,$storehash,$udom,$uhome,$encrypt)=@_;
+    my ($namespace,$storehash,$udom,$uhome)=@_;
     if (!$udom) {
         $udom=$env{'user.domain'};
         if (defined(&domain($udom,'primary'))) {
@@ -1982,11 +1955,7 @@ sub put_dom {
             $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
         }
         $items=~s/\&$//;
-        if ($encrypt) {
-            return &reply("encrypt:putdom:$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");
     }
@@ -2020,57 +1989,6 @@ sub del_dom {
     }
 }
 
-sub store_dom {
-    my ($storehash,$id,$namespace,$dom,$home,$encrypt) = @_;
-    $$storehash{'ip'}=&get_requestor_ip();
-    $$storehash{'host'}=$perlvar{'lonHostID'};
-    my $namevalue='';
-    foreach my $key (keys(%{$storehash})) {
-        $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
-    }
-    $namevalue=~s/\&$//;
-    if (grep { $_ eq $home } current_machine_ids()) {
-        return LONCAPA::Lond::store_dom("storedom:$dom:$namespace:$id:$namevalue");
-    } else {
-        if ($namespace eq 'private') {
-            return 'refused';
-        } elsif ($encrypt) {
-            return reply("encrypt:storedom:$dom:$namespace:$id:$namevalue",$home);
-        } else {
-            return reply("storedom:$dom:$namespace:$id:$namevalue",$home);
-        }
-    }
-}
-
-sub restore_dom {
-    my ($id,$namespace,$dom,$home,$encrypt) = @_;
-    my $answer;
-    if (grep { $_ eq $home } current_machine_ids()) {
-        $answer = LONCAPA::Lond::restore_dom("restoredom:$dom:$namespace:$id");
-    } elsif ($namespace ne 'private') {
-        if ($encrypt) {
-            $answer=&reply("encrypt:restoredom:$dom:$namespace:$id",$home);
-        } else {
-            $answer=&reply("restoredom:$dom:$namespace:$id",$home);
-        }
-    }
-    my %returnhash=();
-    unless (($answer eq '') || ($answer eq 'con_lost') || ($answer eq 'refused') ||
-            ($answer eq 'unknown_cmd') || ($answer eq 'rejected')) {
-        foreach my $line (split(/\&/,$answer)) {
-            my ($name,$value)=split(/\=/,$line);
-            $returnhash{&unescape($name)}=&thaw_unescape($value);
-        }
-        my $version;
-        for ($version=1;$version<=$returnhash{'version'};$version++) {
-            foreach my $item (split(/\:/,$returnhash{$version.':keys'})) {
-                $returnhash{$item}=$returnhash{$version.':'.$item};
-            }
-        }
-    }
-    return %returnhash;
-}
-
 # ----------------------------------construct domainconfig user for a domain 
 sub get_domainconfiguser {
     my ($udom) = @_;
@@ -2349,14 +2267,14 @@ sub inst_rulecheck {
                     $response=&unescape(&reply('instidrulecheck:'.&escape($udom).
                                               ':'.&escape($id).':'.$rulestr,
                                               $homeserver));
-                } elsif ($item eq 'unamemap') {
-                    $response=&unescape(&reply('instunamemapcheck:'.
-                                               &escape($udom).':'.&escape($uname).
-                                              ':'.$rulestr,$homeserver));
                 } elsif ($item eq 'selfcreate') {
                     $response=&unescape(&reply('instselfcreatecheck:'.
                                                &escape($udom).':'.&escape($uname).
                                               ':'.$rulestr,$homeserver));
+                } elsif ($item eq 'unamemap') {
+                    $response=&unescape(&reply('instunamemapcheck:'.
+                                               &escape($udom).':'.&escape($uname).
+                                              ':'.$rulestr,$homeserver));
                 }
                 if ($response ne 'refused') {
                     my @pairs=split(/\&/,$response);
@@ -2435,7 +2353,7 @@ sub get_domain_defaults {
                                   'coursedefaults','usersessions',
                                   'requestauthor','selfenrollment',
                                   'coursecategories','autoenroll',
-                                  'helpsettings','wafproxy','ltisec'],$domain);
+                                  'helpsettings','wafproxy'],$domain);
     my @coursetypes = ('official','unofficial','community','textbook');
     if (ref($domconfig{'defaults'}) eq 'HASH') {
         $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'}; 
@@ -2518,9 +2436,6 @@ sub get_domain_defaults {
         if ($domconfig{'coursedefaults'}{'texengine'}) {
             $domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};
         }
-        if (exists($domconfig{'coursedefaults'}{'ltiauth'})) {
-            $domdefaults{'crsltiauth'} = $domconfig{'coursedefaults'}{'ltiauth'};
-        }
     }
     if (ref($domconfig{'usersessions'}) eq 'HASH') {
         if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {
@@ -2591,18 +2506,6 @@ sub get_domain_defaults {
             }
         }
     }
-    if (ref($domconfig{'ltisec'}) eq 'HASH') {
-        if (ref($domconfig{'ltisec'}{'encrypt'}) eq 'HASH') {
-            $domdefaults{'linkprotenc_crs'} = $domconfig{'ltisec'}{'encrypt'}{'crs'};
-            $domdefaults{'linkprotenc_dom'} = $domconfig{'ltisec'}{'encrypt'}{'dom'};
-            $domdefaults{'ltienc_consumers'} = $domconfig{'ltisec'}{'encrypt'}{'consumers'};
-        }
-        if (ref($domconfig{'ltisec'}{'private'}) eq 'HASH') {
-            if (ref($domconfig{'ltisec'}{'private'}{'keys'}) eq 'ARRAY') {
-                $domdefaults{'privhosts'} = $domconfig{'ltisec'}{'private'}{'keys'};
-            }
-        }
-    }
     &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
     return %domdefaults;
 }
@@ -2689,24 +2592,6 @@ sub get_passwdconf {
     return %passwdconf;
 }
 
-sub course_portal_url {
-    my ($cnum,$cdom,$r) = @_;
-    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 {
-        my $alias = &Apache::lonnet::use_proxy_alias($r,$chome);
-        $hostname = $alias if ($alias ne '');
-        $firsturl = $protocol.'://'.$hostname;
-    }
-    return $firsturl;
-}
-
 # --------------------------------------------------- Assign a key to a student
 
 sub assign_access_key {
@@ -3613,14 +3498,6 @@ 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'}) {
@@ -3645,14 +3522,6 @@ 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;
@@ -3662,13 +3531,8 @@ 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 ($env{'form.forceedit'}) {
@@ -4659,7 +4523,6 @@ sub get_scantronformat_file {
                 close($fh);
             }
         }
-        chomp(@lines);
     }
     return @lines;
 }
@@ -5673,10 +5536,9 @@ 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;
@@ -5685,7 +5547,7 @@ 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);
@@ -5697,7 +5559,7 @@ 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"};
 }
 
@@ -6677,31 +6539,31 @@ sub course_adhocrole_privs {
             $full{$priv} = $restrict;
         }
         foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {
-            next if ($item eq '');
-            my ($rule,$rest) = split(/=/,$item);
-            next unless (($rule eq 'off') || ($rule eq 'on'));
-            foreach my $priv (split(/:/,$rest)) {
-                if ($priv ne '') {
-                    if ($rule eq 'off') {
-                        $possremove{$priv} = 1;
-                    } else {
-                        $possadd{$priv} = 1;
-                    }
-                }
-            }
-        }
-        foreach my $priv (sort(keys(%full))) {
-            if (exists($currprivs{$priv})) {
-                unless (exists($possremove{$priv})) {
-                    $storeprivs{$priv} = $currprivs{$priv};
-                }
-            } elsif (exists($possadd{$priv})) {
-                $storeprivs{$priv} = $full{$priv};
-            }
-        }
-        $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
-    }
-    return $coursepriv;
+             next if ($item eq '');
+             my ($rule,$rest) = split(/=/,$item);
+             next unless (($rule eq 'off') || ($rule eq 'on'));
+             foreach my $priv (split(/:/,$rest)) {
+                 if ($priv ne '') {
+                     if ($rule eq 'off') {
+                         $possremove{$priv} = 1;
+                     } else {
+                         $possadd{$priv} = 1;
+                     }
+                 }
+             }
+         }
+         foreach my $priv (sort(keys(%full))) {
+             if (exists($currprivs{$priv})) {
+                 unless (exists($possremove{$priv})) {
+                     $storeprivs{$priv} = $currprivs{$priv};
+                 }
+             } elsif (exists($possadd{$priv})) {
+                 $storeprivs{$priv} = $full{$priv};
+             }
+         }
+         $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
+     }
+     return $coursepriv;
 }
 
 sub group_roleprivs {
@@ -6965,8 +6827,7 @@ sub set_adhoc_privileges {
     my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash);
     &appenv(\%userroles,[$role,'cm']);
     &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
-    unless (($caller eq 'constructaccess' && $env{'request.course.id'}) ||
-            ($caller eq 'tiny')) {
+    unless ($caller eq 'constructaccess' && $env{'request.course.id'}) {
         &appenv( {'request.role'        => $spec,
                   'request.role.domain' => $dcdom,
                   'request.course.sec'  => $sec, 
@@ -7041,7 +6902,7 @@ sub unserialize {
 # see Lond::dump_with_regexp
 # if $escapedkeys hash keys won't get unescaped.
 sub dump {
-    my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys,$encrypt)=@_;
+    my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_;
     if (!$udomain) { $udomain=$env{'user.domain'}; }
     if (!$uname) { $uname=$env{'user.name'}; }
     my $uhome=&homeserver($uname,$udomain);
@@ -7057,12 +6918,7 @@ sub dump {
                     $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
         return %{&unserialize($reply, $escapedkeys)};
     }
-    my $rep;
-    if ($encrypt) {
-        $rep=&reply("encrypt:edump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
-    } else {
-        $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
-    }
+    my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
     my @pairs=split(/\&/,$rep);
     my %returnhash=();
     if (!($rep =~ /^error/ )) {
@@ -7208,7 +7064,7 @@ sub inc {
 # --------------------------------------------------------------- put interface
 
 sub put {
-   my ($namespace,$storehash,$udomain,$uname,$encrypt)=@_;
+   my ($namespace,$storehash,$udomain,$uname)=@_;
    if (!$udomain) { $udomain=$env{'user.domain'}; }
    if (!$uname) { $uname=$env{'user.name'}; }
    my $uhome=&homeserver($uname,$udomain);
@@ -7217,11 +7073,7 @@ sub put {
        $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
    }
    $items=~s/\&$//;
-   if ($encrypt) {
-       return &reply("encrypt:put:$udomain:$uname:$namespace:$items",$uhome);
-   } else {
-       return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
-   }
+   return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
 }
 
 # ------------------------------------------------------------ newput interface
@@ -7758,7 +7610,6 @@ sub usertools_access {
                       blog      => 1,
                       webdav    => 1,
                       portfolio => 1,
-                      timezone  => 1,
                  );
     }
     return if (!defined($tools{$tool}));
@@ -8044,14 +7895,14 @@ sub customaccess {
 # ------------------------------------------------- Check for a user privilege
 
 sub allowed {
-    my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache,$nodeeplinkcheck,$nodeeplinkout)=@_;
+    my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_;
     my $ver_orguri=$uri;
     $uri=&deversion($uri);
     my $orguri=$uri;
     $uri=&declutter($uri);
 
     if ($priv eq 'evb') {
-# Evade communication block restrictions for specified role in a course or domain
+# Evade communication block restrictions for specified role in a course
         if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {
             return $1;
         } else {
@@ -8061,7 +7912,7 @@ 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|viewclasslist|aboutme|ext\.tool)$})) 
+    if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|viewclasslist|aboutme)$})) 
 	 || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) )) 
 	&& ($priv eq 'bre')) {
 	return 'F';
@@ -8109,10 +7960,7 @@ sub allowed {
 # Free bre to public access
 
     if ($priv eq 'bre') {
-        my $copyright;
-        unless ($uri =~ /ext\.tool/) {
-            $copyright=&metadata($uri,'copyright');
-        }
+        my $copyright=&metadata($uri,'copyright');
 	if (($copyright eq 'public') && (!$env{'request.course.id'})) { 
            return 'F'; 
         }
@@ -8269,13 +8117,7 @@ sub allowed {
             if ($env{'user.priv.'.$env{'request.role'}.'./'}
                   =~/\Q$priv\E\&([^\:]*)/) {
                 my $value = $1;
-                my $deeplinkblock;
-                unless ($nodeeplinkcheck) {
-                    $deeplinkblock = &deeplink_check($priv,$symb,$uri);
-                }
-                if ($deeplinkblock) {
-                    $thisallowed='D';
-                } elsif ($noblockcheck) {
+                if ($noblockcheck) {
                     $thisallowed.=$value;
                 } else {
                     my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
@@ -8295,13 +8137,7 @@ sub allowed {
                     $refuri=&declutter($refuri);
                     my ($match) = &is_on_map($refuri);
                     if ($match) {
-                        my $deeplinkblock;
-                        unless ($nodeeplinkcheck) {
-                            $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
-                        }
-                        if ($deeplinkblock) {
-                            $thisallowed='D';
-                        } elsif ($noblockcheck) {
+                        if ($noblockcheck) {
                             $thisallowed='F';
                         } else {
                             my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
@@ -8374,13 +8210,7 @@ sub allowed {
                =~/\Q$priv\E\&([^\:]*)/) {
                my $value = $1;
                if ($priv eq 'bre') {
-                   my $deeplinkblock;
-                   unless ($nodeeplinkcheck) {
-                       $deeplinkblock = &deeplink_check($priv,$symb,$uri);
-                   }
-                   if ($deeplinkblock) {
-                       $thisallowed = 'D';
-                   } elsif ($noblockcheck) {
+                   if ($noblockcheck) {
                        $thisallowed.=$value;
                    } else {
                        my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
@@ -8422,13 +8252,7 @@ sub allowed {
                   =~/\Q$priv\E\&([^\:]*)/) {
                   my $value = $1;
                   if ($priv eq 'bre') {
-                      my $deeplinkblock;
-                      unless ($nodeeplinkcheck) {
-                          $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
-                      }
-                      if ($deeplinkblock) {
-                          $thisallowed = 'D';
-                      } elsif ($noblockcheck) {
+                      if ($noblockcheck) {
                           $thisallowed.=$value;
                       } else {
                           my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
@@ -8608,17 +8432,6 @@ sub allowed {
        }
    }
 
-# Restricted for deeplinked session?
-
-    if ($env{'request.deeplink.login'}) {
-        if ($env{'acc.deeplinkout'} && !$nodeeplinkout) {
-            if (!$symb) { $symb=&symbread($uri,1); }
-            if (($symb) && ($env{'acc.deeplinkout'}=~/\&\Q$symb\E\&/)) {
-                return '';
-            }
-        }
-    }
-
 # Restricted by state or randomout?
 
    if ($thisallowed=~/X/) {
@@ -8639,8 +8452,6 @@ sub allowed {
 	return 'A';
     } elsif ($thisallowed eq 'B') {
         return 'B';
-    } elsif ($thisallowed eq 'D') {
-        return 'D';
     }
    return 'F';
 }
@@ -8822,8 +8633,7 @@ sub get_commblock_resources {
                             }
                         }
                     }
-                    if ($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);
@@ -8833,7 +8643,7 @@ 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 $activeblock;
                                 if ($type eq 'resource') {
@@ -8958,87 +8768,6 @@ sub has_comm_blocking {
 }
 }
 
-sub deeplink_check {
-    my ($priv,$symb,$uri) = @_;
-    return unless ($env{'request.course.id'});
-    return unless ($priv eq 'bre');
-    return if ($env{'request.state'} eq 'construct');
-    return if ($env{'request.role.adv'});
-    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-    my (%possibles,@symbs);
-    if (!$symb) {
-        $symb = &symbread($uri,1,1,1,\%possibles);
-    }
-    if ($symb) {
-        @symbs = ($symb);
-    } elsif (keys(%possibles)) {
-        @symbs = keys(%possibles);
-    }
-
-    my ($deeplink_symb,$allow);
-    if ($env{'request.deeplink.login'}) {
-        $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
-    }
-    foreach my $symb (@symbs) {
-        last if ($allow);
-        my $deeplink = &EXT("resource.0.deeplink",$symb);
-        if ($deeplink eq '') {
-            $allow = 1;
-        } else {
-            my ($state,$others,$listed,$scope,$protect) = split(/,/,$deeplink);
-            if ($state ne 'only') {
-                $allow = 1;
-            } else {
-                my $check_deeplink_entry;
-                if ($protect ne 'none') {
-                    my ($acctype,$item) = split(/:/,$protect);
-                    if (($acctype eq 'ltic') && ($env{'user.linkprotector'})) {
-                        if (grep(/^\Q$item\Ec$/,split(/,/,$env{'user.linkprotector'}))) {
-                            $check_deeplink_entry = 1
-                        }
-                    } elsif (($acctype eq 'ltid') && ($env{'user.linkprotector'})) {
-                        if (grep(/^\Q$item\Ed$/,split(/,/,$env{'user.linkprotector'}))) {
-                            $check_deeplink_entry = 1;
-                        }
-                    } elsif (($acctype eq 'key') && ($env{'user.deeplinkkey'})) {
-                        if (grep(/^\Q$item\E$/,split(/,/,$env{'user.deeplinkkey'}))) {
-                            $check_deeplink_entry = 1;
-                        }
-                    }
-                }
-                if (($protect eq 'none') || ($check_deeplink_entry)) {
-                    if ($scope eq 'res') {
-                        if ($symb eq $deeplink_symb) {
-                            $allow = 1;
-                        }
-                    } elsif (($scope eq 'map') || ($scope eq 'rec')) {
-                        my ($map_from_symb,$map_from_login);
-                        $map_from_symb = &deversion((&decode_symb($symb))[0]);
-                        if ($deeplink_symb =~ /\.(page|sequence)$/) {
-                            $map_from_login = &deversion((&decode_symb($deeplink_symb))[2]);
-                        } else {
-                            $map_from_login = &deversion((&decode_symb($deeplink_symb))[0]);
-                        }
-                        if (($map_from_symb) && ($map_from_login)) {
-                            if ($map_from_symb eq $map_from_login) {
-                                $allow = 1;
-                            } elsif ($scope eq 'rec') {
-                                my @recurseup = &get_map_hierarchy($map_from_symb,$env{'request.course.id'});
-                                if (grep(/^\Q$map_from_login\E$/,@recurseup)) {
-                                    $allow = 1;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-    return if ($allow);
-    return 1;
-}
-
 # -------------------------------- Deversion and split uri into path an filename
 
 #
@@ -10743,19 +10472,14 @@ 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;
             }
@@ -11790,125 +11514,6 @@ sub resdata {
     return undef;
 }
 
-sub get_domain_lti {
-    my ($cdom,$context) = @_;
-    my ($name,$cachename,%lti);
-    if ($context eq 'consumer') {
-        $name = 'ltitools';
-    } elsif ($context eq 'provider') {
-        $name = 'lti';
-    } elsif ($context eq 'linkprot') {
-        $name = 'ltisec';
-    } else {
-        return %lti;
-    }
-
-    if ($context eq 'linkprot') {
-        $cachename = $context;
-    } else {
-        $cachename = $name;
-    }
-
-    my ($result,$cached)=&is_cached_new($cachename,$cdom);
-    if (defined($cached)) {
-        if (ref($result) eq 'HASH') {
-            %lti = %{$result};
-        }
-    } else {
-        my %domconfig = &get_dom('configuration',[$name],$cdom);
-        if (ref($domconfig{$name}) eq 'HASH') {
-            if ($context eq 'linkprot') {
-                if (ref($domconfig{$name}{'linkprot'}) eq 'HASH') {
-                    %lti = %{$domconfig{$name}{'linkprot'}};
-                }
-            } else {
-                %lti = %{$domconfig{$name}};
-            }
-            if (($context eq 'consumer') && (keys(%lti))) {
-                my %encdomconfig = &get_dom('encconfig',[$name],$cdom,undef,1);
-                if (ref($encdomconfig{$name}) eq 'HASH') {
-                    foreach my $id (keys(%lti)) {
-                        if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
-                            foreach my $item ('key','secret') {
-                                $lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        my $cachetime = 24*60*60;
-        &do_cache_new($cachename,$cdom,\%lti,$cachetime);
-    }
-    return %lti;
-}
-
-sub get_course_lti {
-    my ($cnum,$cdom) = @_;
-    my $hashid=$cdom.'_'.$cnum;
-    my %courselti;
-    my ($result,$cached)=&is_cached_new('courselti',$hashid);
-    if (defined($cached)) {
-        if (ref($result) eq 'HASH') {
-            %courselti = %{$result};
-        }
-    } else {
-        %courselti = &dump('lti',$cdom,$cnum,undef,undef,undef,1);
-        my $cachetime = 24*60*60;
-        &do_cache_new('courselti',$hashid,\%courselti,$cachetime);
-    }
-    return %courselti;
-}
-
-sub courselti_itemid {
-    my ($cnum,$cdom,$url,$method,$params,$context) = @_;
-    my ($chome,$itemid);
-    $chome = &homeserver($cnum,$cdom);
-    return if ($chome eq 'no_host');
-    if (ref($params) eq 'HASH') {
-        my $items = &freeze_escape($params);
-        my $rep;
-        if (grep { $_ eq $chome } current_machine_ids()) {
-            $rep = LONCAPA::Lond::crslti_itemid($cdom,$cnum,$url,$method,$params,$perlvar{'lonVersion'});
-        } else {
-            my $escurl = &escape($url);
-            my $escmethod = &escape($method);
-            my $items = &freeze_escape($params);
-            $rep = &reply("encrypt:lti:$cdom:$cnum:$context:$escurl:$escmethod:$items",$chome);
-        }
-        unless (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
-                ($rep eq 'unknown_cmd')) {
-            $itemid = $rep;
-        }
-    }
-    return $itemid;
-}
-
-sub domainlti_itemid {
-    my ($cdom,$url,$method,$params,$context) = @_;
-    my ($primary_id,$itemid);
-    $primary_id = &domain($cdom,'primary');
-    return if ($primary_id eq '');
-    if (ref($params) eq 'HASH') {
-        my $items = &freeze_escape($params);
-        my $rep;
-        if (grep { $_ eq $primary_id } current_machine_ids()) {
-            $rep = LONCAPA::Lond::domlti_itemid($cdom,$context,$url,$method,$params,$perlvar{'lonVersion'});
-        } else {
-            my $cnum = '';
-            my $escurl = &escape($url);
-            my $escmethod = &escape($method);
-            my $items = &freeze_escape($params);
-            $rep = &reply("encrypt:lti:$cdom:$cnum:$context:$escurl:$escmethod:$items",$primary_id);
-        }
-        unless (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
-                ($rep eq 'unknown_cmd')) {
-            $itemid = $rep;
-        }
-    }
-    return $itemid;
-}
-
 sub get_numsuppfiles {
     my ($cnum,$cdom,$ignorecache)=@_;
     my $hashid=$cnum.':'.$cdom;
@@ -11933,16 +11538,6 @@ sub get_numsuppfiles {
 # EXT resource caching routines
 #
 
-{
-# Cache (5 seconds) of map hierarchy for speedup of navmaps display
-#
-# The course for which we cache
-my $cachedmapkey='';
-# The cached recursive maps for this course
-my %cachedmaps=();
-# When this was last done
-my $cachedmaptime='';
-
 sub clear_EXT_cache_status {
     &delenv('cache.EXT.');
 }
@@ -12256,10 +11851,6 @@ sub EXT {
 	if ($space eq 'name') {
 	    return $ENV{'SERVER_NAME'};
         }
-    } elsif ($realm eq 'client') {
-        if ($space eq 'remote_addr') {
-            return &get_requestor_ip();
-        }
     }
     return '';
 }
@@ -12293,30 +11884,6 @@ sub check_group_parms {
     return $coursereply;
 }
 
-sub get_map_hierarchy {
-    my ($mapname,$courseid) = @_;
-    my @recurseup = ();
-    if ($mapname) {
-        if (($cachedmapkey eq $courseid) &&
-            (abs($cachedmaptime-time)<5)) {
-            if (ref($cachedmaps{$mapname}) eq 'ARRAY') {
-                return @{$cachedmaps{$mapname}};
-            }
-        }
-        my $navmap = Apache::lonnavmaps::navmap->new();
-        if (ref($navmap)) {
-            @recurseup = $navmap->recurseup_maps($mapname);
-            undef($navmap);
-            $cachedmaps{$mapname} = \@recurseup;
-            $cachedmaptime=time;
-            $cachedmapkey=$courseid;
-        }
-    }
-    return @recurseup;
-}
-
-}
-
 sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
     my ($courseid,@groups) = @_;
     @groups = sort(@groups);
@@ -12402,7 +11969,7 @@ sub metadata {
     # if it is a non metadata possible uri return quickly
     if (($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;
     }
@@ -13129,10 +12696,17 @@ sub symbread {
     my %bighash;
     my $syval='';
     if (($env{'request.course.fn'}) && ($thisfn)) {
+        my $targetfn = $thisfn;
+        if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) {
+            $targetfn = 'adm/wrapper/'.$thisfn;
+        }
+	if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
+	    $targetfn=$1;
+	}
         unless ($ignoresymbdb) {
             if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
                           &GDBM_READER(),0640)) {
-	        $syval=$hash{$thisfn};
+	        $syval=$hash{$targetfn};
                 untie(%hash);
             }
             if ($syval && $checkforblock) {
@@ -14304,8 +13878,6 @@ sub clutter {
 #		&logthis("Got a blank emb style");
 	    }
 	}
-    } elsif ($thisfn =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
-        $thisfn='/adm/wrapper'.$thisfn;
     }
     return $thisfn;
 }
@@ -15377,7 +14949,6 @@ prevents recursive calls to &allowed.
  2: browse allowed
  A: passphrase authentication needed
  B: access temporarily blocked because of a blocking event in a course.
- D: access blocked because access is required via session initiated via deep-link
 
 =item *