Added context encryption

Author: Tim Helfensdörfer

README.md

@@ -21,11 +21,16 @@ Add the following lines in your `config/logging.php`:
     'level' => env('LOG_LEVEL', 'debug'), // Optional
     'connection' => env('LOG_DATABASE', 'mysql'), // Optional
     'table' => env('LOG_TABLE', 'logs'), // Optional
+    'encrypt' => env('LOG_ENCRYPT', false), // Optional, Encrypt the context part of the log message before inserting it into the database
 ],
 ```
 
 ## Change log
 
+### 1.2.2
+
+* FEATURE: Added context encryption
+
 ### 1.2.1
 
 * FEATURE: Usage of custom database connections or tables

src/DatabaseHandler.php

@@ -22,6 +22,13 @@ class DatabaseHandler extends AbstractProcessingHandler
      */
     protected $table;
 
+    /**
+     * Encrypt the context in database.
+     *
+     * @var boolean
+     */
+    protected $encryption;
+
     /**
      * Set the database connection name.
      *
@@ -42,6 +49,16 @@ public function setTable(string $table): void
         $this->table = $table;
     }
 
+    /**
+     * If the context should be encrypted for the database.
+     *
+     * @param bool $encryption
+     */
+    public function setEncryption(bool $encryption): void
+    {
+        $this->encryption = $encryption;
+    }
+
     /**
      * {@inheritdoc}
      */
@@ -51,7 +68,11 @@ protected function write(array $record)
             $context = 'Closure';
         } else {
             try {
-                $context = serialize($record['context']);
+                if ($this->encryption) {
+                    $context = encrypt($record['context']);
+                } else {
+                    $context = serialize($record['context']);
+                }
             } catch (\Exception $e) {
                 $context = null;
             }

src/DatabaseLogger.php

@@ -19,6 +19,7 @@ public function __invoke(array $config)
         $handler = new DatabaseHandler($config['level'] ?? 'debug');
         $handler->setConnection($config['connection'] ?? 'mysql');
         $handler->setTable($config['table'] ?? 'logs');
+        $handler->setEncryption($config['encrypt'] ?? false);
 
         $logger->pushHandler($handler);