From 9a664f7b3b6a5315983317b0e47128b809bc5531 Mon Sep 17 00:00:00 2001
From: hackademix
Date: Sat, 29 Feb 2020 19:01:45 +0100
Subject: Refactored XSS filter into an asynchronous worker to better handle
 DOS attempts.

---
 src/lib/Timing.js | 4 ++--
 src/lib/log.js    | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/Timing.js b/src/lib/Timing.js
index 997ebd3..dd4fa06 100644
--- a/src/lib/Timing.js
+++ b/src/lib/Timing.js
@@ -15,7 +15,7 @@ class Timing {
   }
 
   async pause() {
-    if (this.interrupted) throw new TimingException("Interrupted");
+    if (this.interrupted) throw new TimingException("Timing: interrupted");
     let now = Date.now();
     this.calls++;
     let sinceLastCall = now - this.lastCall;
@@ -28,7 +28,7 @@ class Timing {
     if (now - this.lastPause > this.workSlot || this.calls > this.maxCalls) {
       this.tooLong = this.elapsed >= this.longTime;
       if (this.tooLong && this.fatalTimeout) {
-        throw new TimingException(`Exceeded ${this.longTime}ms timeout`);
+        throw new TimingException(`Timing: exceeded ${this.longTime}ms timeout`);
       }
       this.calls = 0;
       await Timing.sleep(this.pauseTime);
diff --git a/src/lib/log.js b/src/lib/log.js
index f548c49..a30a5a6 100644
--- a/src/lib/log.js
+++ b/src/lib/log.js
@@ -1,6 +1,8 @@
 
 {
-  let PREFIX = `[${browser.runtime.getManifest().name}]`;
+  let PREFIX = typeof browser === "object"
+    ? `[${browser.runtime.getManifest().name}]` : '';
+
   let debugCount = 0;
 
   function log(msg, ...rest) {
-- 
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