* LDV::Filebin : threat djvu and unsupported images as binary

lib/LDV/Filebin.pm

@@ -95,18 +95,20 @@ sub save {
         bytes => $conf->{image_maxmem},
       );
       # query image
-      my $image = Imager->new(file => $upload->asset->path)
-        or die(Imager->errstr() . "\n");
-      $file->{ftype} = 'i';
-      $file->{fext}  = $image->tags(name => 'i_format'),
-      $file->{res_w} = $image->getwidth,
-      $file->{res_h} = $image->getheight,
-      # make thumb
-      my ($th_w, $th_h) = ($conf->{thumbs_size} =~ m/(\d+)x(\d+)/oi);
-      my $thumb = $image->scale(xpixels => $th_w, ypixels => $th_h, type => 'min');
-      my $path = $self->_file_path("${time}_tn", $conf->{thumbs_ext}, 'fullpath');
-      $thumb->write(file => $path)
-        or die $thumb->errstr;
+      if (my $image = Imager->new(file => $upload->asset->path)) {
+        $file->{ftype} = 'i';
+        $file->{fext}  = $image->tags(name => 'i_format'),
+        $file->{res_w} = $image->getwidth,
+        $file->{res_h} = $image->getheight,
+        # make thumb
+        my ($th_w, $th_h) = ($conf->{thumbs_size} =~ m/(\d+)x(\d+)/oi);
+        my $thumb = $image->scale(xpixels => $th_w, ypixels => $th_h, type => 'min');
+        my $path = $self->_file_path("${time}_tn", $conf->{thumbs_ext}, 'fullpath');
+        $thumb->write(file => $path)
+          or die $thumb->errstr;
+      } else {
+        # unsupported image, djvu, ...
+      }
     } elsif ($file->{fmime} =~ m{^video/}o) {
       $file->{ftype} = 'v';
     } elsif ($file->{fmime} =~ m{^audio/}o) {