From c9ddc9d5d05a08bb092ecbd0a05de7ae9fd6cd67 Mon Sep 17 00:00:00 2001
From: xofe <22776566+xofe@users.noreply.github.com>
Date: Fri, 14 Aug 2020 06:11:28 +0000
Subject: [PATCH] Only consider hostname blocklisted if it's a full match

Fixes https://github.com/uBlockOrigin/uMatrix-issues/issues/284
---
 src/js/matrix.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/js/matrix.js b/src/js/matrix.js
index 7a19b68..3fafe52 100644
--- a/src/js/matrix.js
+++ b/src/js/matrix.js
@@ -388,7 +388,9 @@ Matrix.prototype.evaluateCellZ = function(srcHostname, desHostname, type) {
     // srcHostname is '*' at this point
 
     // Preset blacklisted hostnames are blacklisted in global scope
-    if ( type === '*' && µm.ubiquitousBlacklistRef.matches(desHostname) !== -1 ) {
+    // https://github.com/uBlockOrigin/uMatrix-issues/issues/284
+    //   Only consider hostname blocklisted if it's a full match.
+    if ( type === '*' && µm.ubiquitousBlacklistRef.matches(desHostname) === 0 ) {
         return 1;
     }