--- a/upload.pl	Tue Oct 07 10:54:29 2014 +0200
+++ b/upload.pl	Tue Oct 07 10:58:02 2014 +0200
@@ -48,40 +48,42 @@
 
 MAIN: {
 
-	# assuming download request
-	if (request_uri =~ m|^\Q$DIR_URI\E/(.+)$|) {
-		# assuming $DIR relative to cwd
-		my $relative = $1;
-		my $base = getcwd;
-		my $absolute;
-		unless ($absolute = realpath "$base/$DIR/$relative") {
-			die "Can't realpath '$base/$DIR/$relative': $!" unless exists $!{ENOENT} and $!{ENOENT};
-			print header('text/plain', '404 Not found');
-			print "Not found";
-			exit 0;
-		}
-		$absolute =~ m|^\Q$base/$DIR\E| or die "invalid path: [$absolute]";
+    # assuming download request
+    if (request_uri =~ m|^\Q$DIR_URI\E/(.+)$|) {
 
-		open F, '<', $absolute or die "Can't open '<', '$absolute': $!";
-		print header(-type => mimetype($absolute));
-                if (request_method() ~~ [qw(GET POST)]) {
-                    my ($buf, $res);
-                    print $buf while $res = read F, $buf, 32*2**10;
-                    defined $res or die "Can't read: $!";
+        # assuming $DIR relative to cwd
+        my $relative = $1;
+        my $base     = getcwd;
+        my $absolute;
+        unless ($absolute = realpath "$base/$DIR/$relative") {
+            die "Can't realpath '$base/$DIR/$relative': $!"
+              unless exists $!{ENOENT} and $!{ENOENT};
+            print header('text/plain', '404 Not found');
+            print "Not found";
+            exit 0;
+        }
+        $absolute =~ m|^\Q$base/$DIR\E| or die "invalid path: [$absolute]";
 
-                    (my $dir = $relative) =~ s|/[^/]+$||;
-                    deletedir $dir if $dir =~ /-d$/;
-                }
-		exit 0;
+        open F, '<', $absolute or die "Can't open '<', '$absolute': $!";
+        print header(-type => mimetype($absolute));
+        if (request_method() ~~ [qw(GET POST)]) {
+            my ($buf, $res);
+            print $buf while $res = read F, $buf, 32 * 2**10;
+            defined $res or die "Can't read: $!";
 
-	}
+            (my $dir = $relative) =~ s|/[^/]+$||;
+            deletedir $dir if $dir =~ /-d$/;
+        }
+        exit 0;
+
+    }
 
     # per view we have an own directory
 
     $ENV{REMOTE_USER} =~ /(.*)/;
     $_ = md5_hex($1);
-	$DIR .= "/$_";
-	$DIR_URI .= "/$_";
+    $DIR     .= "/$_";
+    $DIR_URI .= "/$_";
     -d $DIR
       or mkdir $DIR => 0750
       or die "Can't mkdir $DIR: $!\n";
@@ -108,12 +110,12 @@
         $days = defined $1 ? $1 : 10;
 
         $expires = time + $days * 86400;
-		$delete = 'l'; # on file[l]ist
-			if ($days == 0) {
-				$delete = 'd'; # on first [d]ownload
-			} elsif ($days == -1) {
-				$delete = 'm'; # only [m]anually
-			}
+        $delete  = 'l';                    # on file[l]ist
+        if ($days == 0) {
+            $delete = 'd';                 # on first [d]ownload
+        } elsif ($days == -1) {
+            $delete = 'm';                 # only [m]anually
+        }
 
         # sanitizing the filename
         (my $filename = $file) =~ tr /\\/\//;
@@ -126,7 +128,9 @@
           or die "Can't create $dir/$filename: $!\n";
         print {$outfh} <$file>;
 
-        if (not $delete ~~ [qw(d m)]  and my $atfh = new IO::File("|at now + $days days")) {
+        if (not $delete ~~ [qw(d m)]
+            and my $atfh = new IO::File("|at now + $days days"))
+        {
             print {$atfh}
               "rm -f \"$dir/$filename\"\n",
               "rmdir \"$dir\"\n";
@@ -192,8 +196,11 @@
       Tr(td("Dateiname: "),
         td(filefield(-name => "upload", -default => "nothing")),
       ),
-      Tr(td("Löschen in: "), td(textfield(-name => "expires", -default => 0)),
-        td("Tagen (0: unmittelbar nach Download; -1: nur manuell)")),
+      Tr(
+        td("Löschen in: "),
+        td(textfield(-name => "expires", -default => 0)),
+        td("Tagen (0: unmittelbar nach Download; -1: nur manuell)")
+      ),
       Tr(td(), td(submit(-value => "Hochladen")),),
       end_table,
       end_multipart_form;
@@ -212,13 +219,13 @@
 }
 
 sub deletedir(@) {
-	for my $dir (@_)  {
-		if (-d "$DIR/$dir") {
-			unlink map { /(.*)/ && $1 } glob("$DIR/$dir/*")
-				or die "Can't unlink $DIR/$dir/*: $!\n";
-			rmdir "$DIR/$dir" or die "Can't rmdir $DIR/$dir: $!\n";
-		}
-	}
+    for my $dir (@_) {
+        if (-d "$DIR/$dir") {
+            unlink map { /(.*)/ && $1 } glob("$DIR/$dir/*")
+              or die "Can't unlink $DIR/$dir/*: $!\n";
+            rmdir "$DIR/$dir" or die "Can't rmdir $DIR/$dir: $!\n";
+        }
+    }
 }
 
 sub human($) {