removing duplicate code, cleanup of temporary test files

lib/Persistence/DataStore.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * PrivateBin
+ *
+ * a zero-knowledge paste bin
+ *
+ * @link      https://github.com/PrivateBin/PrivateBin
+ * @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
+ * @license   https://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
+ * @version   1.1
+ */
+
+namespace PrivateBin\Persistence;
+
+use Exception;
+use PrivateBin\Configuration;
+use PrivateBin\Json;
+
+/**
+ * DataStore
+ *
+ * Handles data storage for Data\Filesystem.
+ */
+class DataStore extends AbstractPersistence
+{
+    /**
+     * store the data
+     *
+     * @access public
+     * @static
+     * @param  string $filename
+     * @param  string $data
+     * @return bool
+     */
+    public static function store($filename, $data)
+    {
+        $path = self::getPath();
+        if (strpos($filename, $path) === 0) {
+            $filename = substr($filename, strlen($path));
+        }
+        try {
+            self::_store($filename, Json::encode($data));
+            return true;
+        } catch (Exception $e) {
+            return false;
+        }
+    }
+}