--- loncom/lonnet/perl/lonnet.pm	2002/05/21 15:00:05	1.230
+++ loncom/lonnet/perl/lonnet.pm	2002/06/15 20:06:21	1.239
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.230 2002/05/21 15:00:05 stredwic Exp $
+# $Id: lonnet.pm,v 1.239 2002/06/15 20:06:21 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -77,7 +77,7 @@ use Apache::File;
 use LWP::UserAgent();
 use HTTP::Headers;
 use vars 
-qw(%perlvar %hostname %homecache %badhomecache %hostip %spareid %hostdom 
+qw(%perlvar %hostname %homecache %badServerCache %hostip %spareid %hostdom 
    %libserv %pr %prp %metacache %packagetab 
    %courselogs %accesshash $processmarker $dumpcount 
    %coursedombuf %coursehombuf %courseresdatacache);
@@ -140,20 +140,20 @@ sub reply {
     unless (defined($hostname{$server})) { return 'no_such_host'; }
     my $answer=subreply($cmd,$server);
     if ($answer eq 'con_lost') {
-       sleep 5; 
-       $answer=subreply($cmd,$server);
-       if ($answer eq 'con_lost') {
-	   &logthis("Second attempt con_lost on $server");
-           my $peerfile="$perlvar{'lonSockDir'}/$server";
-           my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
-                                            Type    => SOCK_STREAM,
-                                            Timeout => 10)
-                      or return "con_lost";
-           &logthis("Killing socket");
-           print $client "close_connection_exit\n";
-           sleep 5;
-           $answer=subreply($cmd,$server);       
-       }   
+       #sleep 5; 
+       #$answer=subreply($cmd,$server);
+       #if ($answer eq 'con_lost') {
+	#   &logthis("Second attempt con_lost on $server");
+        #   my $peerfile="$perlvar{'lonSockDir'}/$server";
+        #   my $client=IO::Socket::UNIX->new(Peer    =>"$peerfile",
+        #                                    Type    => SOCK_STREAM,
+        #                                    Timeout => 10)
+        #              or return "con_lost";
+        #   &logthis("Killing socket");
+        #   print $client "close_connection_exit\n";
+           #sleep 5;
+        #   $answer=subreply($cmd,$server);       
+       #}   
     }
     if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
        &logthis("<font color=blue>WARNING:".
@@ -489,17 +489,15 @@ sub homeserver {
     my $tryserver;
     foreach $tryserver (keys %libserv) {
         next if ($ignoreBadCache ne 'true' && 
-		 exists($badhomecache{$index}->{$tryserver}));
+		 exists($badServerCache{$tryserver}));
 	if ($hostdom{$tryserver} eq $udom) {
            my $answer=reply("home:$udom:$uname",$tryserver);
            if ($answer eq 'found') { 
               $homecache{$index}=$tryserver;
               return $tryserver; 
-           } else {
-	       $badhomecache{$index}->{$tryserver}=1;
+           } elsif ($answer eq 'no_host') {
+	       $badServerCache{$tryserver}=1;
            }
-       } else {
-           $badhomecache{$index}->{$tryserver}=1;
        }
     }    
     return 'no_host';
@@ -801,6 +799,7 @@ sub checkout {
     my $now=time;
     my $lonhost=$perlvar{'lonHostID'};
     my $infostr=&escape(
+                 'CHECKOUTTOKEN&'.
                  $tuname.'&'.
                  $tudom.'&'.
                  $tcrsid.'&'.
@@ -850,7 +849,7 @@ sub checkin {
     $lonhost=~tr/A-Z/a-z/;
     my $dtoken=$ta.'_'.$hostip{$lonhost}.'_'.$tb;
     $dtoken=~s/\W/\_/g;
-    my ($tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
+    my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
                  split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
 
     unless (($tuname) && ($tudom)) {
@@ -1502,7 +1501,21 @@ sub allowed {
 # Free bre to public access
 
     if ($priv eq 'bre') {
-	if (&metadata($uri,'copyright') eq 'public') { return 'F'; }
+        my $copyright=&metadata($uri,'copyright');
+	if ($copyright eq 'public') { return 'F'; }
+        if ($copyright eq 'priv') {
+            $uri=~/([^\/]+)\/([^\/]+)\//;
+	    unless (($ENV{'user.name'} eq $2) && ($ENV{'user.domain'} eq $1)) {
+		return '';
+            }
+        }
+        if ($copyright eq 'domain') {
+            $uri=~/([^\/]+)\/([^\/]+)\//;
+	    unless (($ENV{'user.domain'} eq $1) ||
+                 ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $1)) {
+		return '';
+            }
+        }
     }
 
     my $thisallowed='';
@@ -1550,19 +1563,16 @@ sub allowed {
 # the course
 
     if ($ENV{'request.course.id'}) {
+
        $courseprivid=$ENV{'request.course.id'};
        if ($ENV{'request.course.sec'}) {
           $courseprivid.='/'.$ENV{'request.course.sec'};
        }
        $courseprivid=~s/\_/\//;
        my $checkreferer=1;
-       my @uriparts=split(/\//,$uri);
-       my $filename=$uriparts[$#uriparts];
-       my $pathname=$uri;
-       $pathname=~s/\/$filename$//;
-       if ($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~
-           /\&$filename\:([\d\|]+)\&/) {
-           $statecond=$1;
+       my ($match,$cond)=&is_on_map($uri);
+       if ($match) {
+           $statecond=$cond;
            if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid}
                =~/$priv\&([^\:]*)/) {
                $thisallowed.=$1;
@@ -1572,7 +1582,6 @@ sub allowed {
        
        if ($checkreferer) {
 	  my $refuri=$ENV{'httpref.'.$orguri};
-
             unless ($refuri) {
                 foreach (keys %ENV) {
 		    if ($_=~/^httpref\..*\*/) {
@@ -1586,15 +1595,12 @@ sub allowed {
                     }
                 }
             }
+
          if ($refuri) { 
 	  $refuri=&declutter($refuri);
-          my @uriparts=split(/\//,$refuri);
-          my $filename=$uriparts[$#uriparts];
-          my $pathname=$refuri;
-          $pathname=~s/\/$filename$//;
-            if ($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~
-              /\&$filename\:([\d\|]+)\&/) {
-              my $refstatecond=$1;
+          my ($match,$cond)=&is_on_map($refuri);
+            if ($match) {
+              my $refstatecond=$cond;
               if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid}
                   =~/$priv\&([^\:]*)/) {
                   $thisallowed.=$1;
@@ -1653,7 +1659,7 @@ sub allowed {
                 || ($ENV{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) {
 		   if ($ENV{$prefix.'res.'.$uri.'.lock.expire'}>time) {
                        &log($ENV{'user.domain'},$ENV{'user.name'},
-                            $ENV{'user.host'},
+                            $ENV{'user.home'},
                             'Locked by res: '.$priv.' for '.$uri.' due to '.
                             $cdom.'/'.$cnum.'/'.$csec.' expire '.
                             $ENV{$prefix.'priv.'.$priv.'.lock.expire'});
@@ -1664,7 +1670,7 @@ sub allowed {
                 || ($ENV{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
 		   if ($ENV{'priv.'.$priv.'.lock.expire'}>time) {
                        &log($ENV{'user.domain'},$ENV{'user.name'},
-                            $ENV{'user.host'},
+                            $ENV{'user.home'},
                             'Locked by priv: '.$priv.' for '.$uri.' due to '.
                             $cdom.'/'.$cnum.'/'.$csec.' expire '.
                             $ENV{$prefix.'priv.'.$priv.'.lock.expire'});
@@ -1692,6 +1698,7 @@ sub allowed {
 
    if ($thisallowed=~/C/) {
        my $rolecode=(split(/\./,$ENV{'request.role'}))[0];
+       my $unamedom=$ENV{'user.name'}.':'.$ENV{'user.domain'};
        if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'}
 	   =~/$rolecode/) {
            &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'},
@@ -1699,6 +1706,14 @@ sub allowed {
                 $ENV{'request.course.id'});
            return '';
        }
+
+       if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.users.denied'}
+	   =~/$unamedom/) {
+           &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'},
+                'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.
+                $ENV{'request.course.id'});
+           return '';
+       }
    }
 
 # Resource preferences
@@ -1735,6 +1750,23 @@ sub allowed {
    return 'F';
 }
 
+# --------------------------------------------------- Is a resource on the map?
+
+sub is_on_map {
+    my $uri=&declutter(shift);
+    my @uriparts=split(/\//,$uri);
+    my $filename=$uriparts[$#uriparts];
+    my $pathname=$uri;
+    $pathname=~s/\/$filename$//;
+    my $match=($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~
+	       /\&$filename\:([\d\|]+)\&/);
+    if ($match) {
+       return (1,$1);
+   } else {
+       return (0,0);
+   }
+}
+
 # ----------------------------------------------------------------- Define Role
 
 sub definerole {
@@ -2269,7 +2301,11 @@ sub EXT {
             my %reply=&get($space,[$item]);
             return $reply{$item};
         }
-    } elsif ($realm eq 'request') {
+    } elsif ($realm eq 'query') {
+# ---------------------------------------------- pull stuff out of query string
+        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},[$space]);
+	return $ENV{'form.'.$space}; 
+   } elsif ($realm eq 'request') {
 # ------------------------------------------------------------- request.browser
         if ($space eq 'browser') {
 	    return $ENV{'browser.'.$qualifier};
@@ -2778,6 +2814,7 @@ sub declutter {
     $thisfn=~s/^$perlvar{'lonDocRoot'}//;
     $thisfn=~s/^\///;
     $thisfn=~s/^res\///;
+    $thisfn=~s/\?.+$//;
     return $thisfn;
 }