--- loncom/lontrans.pm	2017/11/30 15:14:58	1.17
+++ loncom/lontrans.pm	2018/01/12 13:34:08	1.18
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # URL translation for User Files
 #
-# $Id: lontrans.pm,v 1.17 2017/11/30 15:14:58 raeburn Exp $
+# $Id: lontrans.pm,v 1.18 2018/01/12 13:34:08 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -29,8 +29,8 @@
 package Apache::lontrans;
 
 use strict;
-use Apache::Constants qw(:common :remotehost REDIRECT);
-use Apache::lonnet();
+use Apache::Constants qw(:common :remotehost REDIRECT :http);
+use Apache::lonnet;
 use Apache::File();
 use LONCAPA qw(:DEFAULT :match);
 
@@ -46,6 +46,8 @@ sub handler {
             if ($realuri =~ m{^uploaded/$match_domain/$match_courseid/(default|supplemental)(|_\d+)\.(?:sequence|page)___\d+___.+$}) {
                 my ($map,$resid,$url) = split(/___/,$realuri);
                 $realuri = &Apache::lonnet::clutter($url).'?symb='.$realuri;
+            } elsif ($realuri =~ m{^tiny/$match_domain/\w+$}) {
+                $realuri = '/'.$realuri;    
             } elsif ($realuri =~ m{($match_domain)/($match_courseid)$}) {
                 $realuri = '/adm/navmaps';
             } else {
@@ -65,6 +67,64 @@ sub handler {
                 return REDIRECT;
             }
         }
+    } elsif ($r->uri =~ m{^/+tiny/+($match_domain)/+(\w+)$}) {
+        my ($cdom,$key) = ($1,$2);
+        if (&Apache::lonnet::domain($cdom) ne '') {
+            my %user;
+            my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user);
+            if ($handle ne '') {
+                my $lonidsdir=$r->dir_config('lonIDsDir');
+                &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
+                if ($env{'request.course.id'}) {
+                    my $tinyurl;
+                    my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key);
+                    if (defined($cached)) {
+                        $tinyurl = $result;
+                    } else {
+                        my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
+                        my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname);
+                        if ($currtiny{$key} ne '') {
+                            $tinyurl = $currtiny{$key};
+                            &Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600);
+                        }
+                    }
+                    if ($tinyurl ne '') {
+                        my ($cnum,$symb) = split(/\&/,$tinyurl);
+                        if (($cnum =~ /^$match_courseid$/) &&
+                            (&Apache::lonnet::homeserver($cnum,$cdom) ne 'no_host')) {
+                            if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
+                                my ($map,$resid,$url) = &Apache::lonnet::decode_symb($symb);
+                                if (&Apache::lonnet::is_on_map($url)) {
+                                    my $realuri;
+                                    if ((&Apache::lonnet::EXT('resource.0.hiddenresource',$symb) =~ /^yes$/i) &&
+                                        (!$env{'request.role.adv'})) {
+                                        $env{'user.error.msg'}=$r->uri.':bre:1:1:Access to resource denied';
+                                        return HTTP_NOT_ACCEPTABLE;
+                                    }
+                                    if ((&Apache::lonnet::EXT('resource.0.encrypturl',$symb) =~ /^yes$/i) &&
+                                        (!$env{'request.role.adv'})) {
+                                        $realuri = &Apache::lonenc::encrypted(&Apache::lonnet::clutter($url)).
+                                                   '?symb='.&Apache::lonenc::encrypted($symb);
+                                    } else {
+                                        $realuri = &Apache::lonnet::clutter($url).'?symb='.$symb;
+                                    }
+                                    my $host = $r->headers_in->get('Host');
+                                    if ($host) {
+                                        my $protocol = 'http';
+                                        if ($r->get_server_port == 443) {
+                                            $protocol = 'https';
+                                        }
+                                        my $location = $protocol.'://'.$host.$realuri;
+                                        $r->headers_out->set(Location => $location);
+                                        return REDIRECT;
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
     } elsif ($r->uri=~m{^/raw/}) {
         my $host = $r->headers_in->get('Host');
         if ($host) {
@@ -93,7 +153,7 @@ sub handler {
 			 '/userfiles/'.(join('/',@ufile)));
         }
         return OK;
-    } else { 
+    } else {
         return DECLINED;
     }
 }
@@ -150,9 +210,3 @@ sub redirect_raw {
 1;
 __END__
 
-
-
-
-
-
-