Implemented echoarea/filearea security

app/Traits/AreaSecurity.php

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * Return the area security information
+ */
+namespace App\Traits;
+
+trait AreaSecurity
+{
+	public function getSecReadAttribute(): int
+	{
+		return ($this->security>>3) & 0x7;
+	}
+
+	public function getSecWriteAttribute(): int
+	{
+		return $this->security & 0x7;
+	}
+
+	public function setRead(int $security): void
+	{
+		$this->security = ($this->security & ~(0x7<<3)) | (($security & 0x7) << 3);
+	}
+
+	public function setWrite(int $security): void
+	{
+		$this->security = ($this->security & ~(0x7)) | ($security & 0x7);
+	}
+}