--- loncom/lonnet/perl/lonnet.pm	2001/08/20 23:28:43	1.155
+++ loncom/lonnet/perl/lonnet.pm	2001/10/30 19:19:09	1.167
@@ -118,6 +118,7 @@
 # 05/01,06/01,09/01 Gerd Kortemeyer
 # 09/01 Guy Albertelli
 # 09/01,10/01,11/01 Gerd Kortemeyer
+# YEAR=2001
 # 02/27/01 Scott Harrison
 # 3/2 Gerd Kortemeyer
 # 3/15,3/19 Scott Harrison
@@ -127,7 +128,9 @@
 # 5/30 H. K. Ng
 # 6/1 Gerd Kortemeyer
 # July Guy Albertelli
-# 8/4,8/7,8/8,8/9,8/11,8/16,8/17,8/18,8/20 Gerd Kortemeyer
+# 8/4,8/7,8/8,8/9,8/11,8/16,8/17,8/18,8/20,8/23,9/20,9/21,9/26,
+# 10/2 Gerd Kortemeyer
+# 10/5,10/10 Scott Harrison
 
 package Apache::lonnet;
 
@@ -136,7 +139,7 @@ use Apache::File;
 use LWP::UserAgent();
 use HTTP::Headers;
 use vars 
-qw(%perlvar %hostname %homecache %hostip %spareid %hostdom %libserv %pr %prp %fe %fd $readit %metacache %packagetab);
+qw(%perlvar %hostname %homecache %hostip %spareid %hostdom %libserv %pr %prp %fe %fd $readit %metacache %packagetab %courselogs);
 use IO::Socket;
 use GDBM_File;
 use Apache::Constants qw(:common :http);
@@ -145,6 +148,16 @@ use Fcntl qw(:flock);
 
 # --------------------------------------------------------------------- Logging
 
+sub logtouch {
+    my $execdir=$perlvar{'lonDaemons'};
+    unless (-e "$execdir/logs/lonnet.log") {
+	my $fh=Apache::File->new(">>$execdir/logs/lonnet.log");
+	close $fh;
+    }
+    my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3];
+    chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log');
+}
+
 sub logthis {
     my $message=shift;
     my $execdir=$perlvar{'lonDaemons'};
@@ -665,6 +678,56 @@ sub log {
     return critical("log:$dom:$nam:$what",$hom);
 }
 
+# ------------------------------------------------------------------ Course Log
+
+sub flushcourselogs {
+    &logthis('Flushing course log buffers');
+    map {
+        my $crsid=$_;
+        if (&reply('log:'.$ENV{'course.'.$crsid.'.domain'}.':'.
+		          $ENV{'course.'.$crsid.'.num'}.':'.
+		           &escape($courselogs{$crsid}),
+		          $ENV{'course.'.$crsid.'.home'}) eq 'ok') {
+	    delete $courselogs{$crsid};
+        } else {
+            &logthis('Failed to flush log buffer for '.$crsid);
+            if (length($courselogs{$crsid})>40000) {
+               &logthis("<font color=blue>WARNING: Buffer for ".$crsid.
+                        " exceeded maximum size, deleting.</font>");
+               delete $courselogs{$crsid};
+            }
+        }        
+    } keys %courselogs;
+}
+
+sub courselog {
+    my $what=shift;
+    $what=time.':'.$what;
+    unless ($ENV{'request.course.id'}) { return ''; }
+    if (defined $courselogs{$ENV{'request.course.id'}}) {
+	$courselogs{$ENV{'request.course.id'}}.='&'.$what;
+    } else {
+	$courselogs{$ENV{'request.course.id'}}.=$what;
+    }
+    if (length($courselogs{$ENV{'request.course.id'}})>4048) {
+	&flushcourselogs();
+    }
+}
+
+sub courseacclog {
+    my $fnsymb=shift;
+    unless ($ENV{'request.course.id'}) { return ''; }
+    my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'};
+    if ($what=~/(problem|exam|quiz|assess|survey|form)$/) {
+	map {
+            if ($_=~/^form\.(.*)/) {
+		$what.=':'.$1.'='.$ENV{$_};
+            }
+        } keys %ENV;
+    }
+    &courselog($what);
+}
+
 # ----------------------------------------------------------- Check out an item
 
 sub checkout {
@@ -791,6 +854,37 @@ sub devalidate {
     }
 }
 
+# -------------------------------------------------------------------Temp Store
+
+sub tmpstore {
+    my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
+    my $home='';
+
+    if ($stuname) {
+	$home=&homeserver($stuname,$domain);
+
+    }
+
+    if (!$symb) {
+      $symb=&symbread();
+      if (!$symb) {
+	$symb= $ENV{'request.url'};
+      }
+    }
+
+    $symb=escape($symb);
+    if (!$namespace) { unless ($namespace=$ENV{'request.course.id'}) { return ''; } }
+    if (!$domain) { $domain=$ENV{'user.domain'}; }
+    if (!$stuname) { $stuname=$ENV{'user.name'}; }
+    if (!$home) { $home=$ENV{'user.home'}; }
+    my $namevalue='';
+    map {
+        $namevalue.=escape($_).'='.escape($$storehash{$_}).'&';
+    } keys %$storehash;
+    $namevalue=~s/\&$//;
+
+}
+
 # ----------------------------------------------------------------------- Store
 
 sub store {
@@ -1137,6 +1231,12 @@ sub allowed {
 	return 'F';
     }
 
+# Free bre to public access
+
+    if ($priv eq 'bre') {
+	if (&metadata($uri,'copyright') eq 'public') { return 'F'; }
+    }
+
     my $thisallowed='';
     my $statecond=0;
     my $courseprivid='';
@@ -1172,7 +1272,7 @@ sub allowed {
 
 # If this is generating or modifying users, exit with special codes
 
-    if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:'=~/\:$priv\:/) {
+    if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:'=~/\:$priv\:/) {
 	return $thisallowed;
     }
 #
@@ -1209,6 +1309,7 @@ sub allowed {
                 map {
 		    if ($_=~/^httpref\..*\*/) {
 			my $pattern=$_;
+                        $pattern=~s/^httpref\.\/res\///;
                         $pattern=~s/\*/\[\^\/\]\+/g;
                         $pattern=~s/\//\\\//g;
                         if ($orguri=~/$pattern/) {
@@ -1575,7 +1676,7 @@ sub modifystudent {
 	return 'error: no such user';
     }
 # -------------------------------------------------- Add student to course list
-    my $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'.
+    $reply=critical('put:'.$ENV{'course.'.$cid.'.domain'}.':'.
 	              $ENV{'course.'.$cid.'.num'}.':classlist:'.
                       &escape($uname.':'.$udom).'='.
                       &escape($end.':'.$start),
@@ -1640,7 +1741,7 @@ sub createcourse {
     my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
                       $ENV{'user.home'});
     unless ($reply eq 'ok') { return 'error: '.$reply; }
-    my $uhome=&homeserver($uname,$udom);
+    $uhome=&homeserver($uname,$udom);
     if (($uhome eq '') || ($uhome eq 'no_host')) { 
 	return 'error: no such course';
     }
@@ -2266,7 +2367,7 @@ sub unescape {
 # ================================================================ Main Program
 
 sub BEGIN {
-if ($readit ne 'done') {
+unless ($readit) {
 # ------------------------------------------------------------ Read access.conf
 {
     my $config=Apache::File->new("/etc/httpd/conf/access.conf");
@@ -2311,8 +2412,10 @@ if ($readit ne 'done') {
 
     while (my $configline=<$config>) {
        chomp($configline);
+      if ($configline) {
        my ($role,$perm)=split(/ /,$configline);
        if ($perm ne '') { $pr{$role}=$perm; }
+      }
     }
 }
 
@@ -2322,8 +2425,10 @@ if ($readit ne 'done') {
 
     while (my $configline=<$config>) {
        chomp($configline);
+      if ($configline) {
        my ($short,$plain)=split(/:/,$configline);
        if ($plain ne '') { $prp{$short}=$plain; }
+      }
     }
 }
 
@@ -2359,6 +2464,7 @@ if ($readit ne 'done') {
 %metacache=();
 
 $readit='done';
+&logtouch();
 &logthis('<font color=yellow>INFO: Read configuration</font>');
 }
 }