Fixed: API keys should be more reliably cleansed from the logs

src/NzbDrone.Common/Instrumentation/CleanseLogMessage.cs

@@ -0,0 +1,20 @@
+using System.Text.RegularExpressions;
+
+namespace NzbDrone.Common.Instrumentation
+{
+    public class CleanseLogMessage
+    {
+        //TODO: remove password=
+        private static readonly Regex CleansingRegex = new Regex(@"(?<=apikey=)(\w+?)(?=\W|$|_)", RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+        public static string Cleanse(string message)
+        {
+            if (message.IsNullOrWhiteSpace())
+            {
+                return message;
+            }
+
+            return CleansingRegex.Replace(message, "<removed>");
+        }
+    }
+}