From c402986304796a1777379d305d0b0cb77268b7fb Mon Sep 17 00:00:00 2001
From: Minenash <minenash@protonmail.com>
Date: Fri, 1 Feb 2019 23:16:25 -0500
Subject: Added the ability to hide or replace the log message for commands

Mainly used for sensitive information, like passwords
---
 .../java/com/redstoner/logging/Log4JFilter.java    | 54 ++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 src/main/java/com/redstoner/logging/Log4JFilter.java

(limited to 'src/main/java/com/redstoner/logging/Log4JFilter.java')

diff --git a/src/main/java/com/redstoner/logging/Log4JFilter.java b/src/main/java/com/redstoner/logging/Log4JFilter.java
new file mode 100644
index 0000000..1ebed09
--- /dev/null
+++ b/src/main/java/com/redstoner/logging/Log4JFilter.java
@@ -0,0 +1,54 @@
+package com.redstoner.logging;
+    
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.Marker;
+import org.apache.logging.log4j.core.LogEvent;
+import org.apache.logging.log4j.core.Logger;
+import org.apache.logging.log4j.core.filter.AbstractFilter;
+import org.apache.logging.log4j.message.Message;
+
+public class Log4JFilter extends AbstractFilter {
+
+    private static final long serialVersionUID = -5594073755007974254L;
+
+    private static Result validateMessage(Message message) {
+        if (message == null) {
+            return Result.NEUTRAL;
+        }
+        return validateMessage(message.getFormattedMessage());
+    }
+
+    private static Result validateMessage(String message) {
+        return PrivateLogManager.isHidden(message)
+            ? Result.DENY
+            : Result.NEUTRAL;
+    }
+
+    @Override
+    public Result filter(LogEvent event) {
+        Message candidate = null;
+        if (event != null) {
+            candidate = event.getMessage();
+        }
+        return validateMessage(candidate);
+    }
+
+    @Override
+    public Result filter(Logger logger, Level level, Marker marker, Message msg, Throwable t) {
+        return validateMessage(msg);
+    }
+
+    @Override
+    public Result filter(Logger logger, Level level, Marker marker, String msg, Object... params) {
+        return validateMessage(msg);
+    }
+
+    @Override
+    public Result filter(Logger logger, Level level, Marker marker, Object msg, Throwable t) {
+        String candidate = null;
+        if (msg != null) {
+            candidate = msg.toString();
+        }
+        return validateMessage(candidate);
+    }
+}
\ No newline at end of file
-- 
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