-

2026-07-03 07:31:09 -04:00
commit cebb0d3af1
800 changed files with 89782 additions and 0 deletions
@@ -0,0 +1,123 @@
+<?php defined('BLUDIT') or die('Bludit CMS.');
+
+class dbJSON {
+
+	public $db;
+	public $dbBackup;
+	public $file;
+	public $firstLine;
+
+	// $file, the JSON file.
+	// $firstLine, TRUE if you want to remove the first line, FALSE otherwise
+	function __construct($file, $firstLine=true)
+	{
+		$this->file = $file;
+		$this->db = array();
+		$this->dbBackup = array();
+		$this->firstLine = $firstLine;
+
+		if (file_exists($file)) {
+			// Read JSON file
+			$lines = file($file);
+
+			// Remove the first line, the first line is for security reasons
+			if ($firstLine) {
+				unset($lines[0]);
+			}
+
+			// Regenerate the JSON file
+			$implode = implode('', $lines);
+
+			// Unserialize, JSON to Array
+			$array = $this->unserialize($implode);
+			if (empty($array)) {
+				$this->db = array();
+				$this->dbBackup = array();
+			} else {
+				$this->db = $array;
+				$this->dbBackup = $array;
+			}
+		}
+	}
+
+	public function restoreDB()
+	{
+		$this->db = $this->dbBackup;
+		return true;
+	}
+
+	// Returns the number of rows in the database
+	public function count()
+	{
+		return count($this->db);
+	}
+
+	// Returns the value from the field
+	public function getField($field)
+	{
+		if (isset($this->db[$field])) {
+			return $this->db[$field];
+		}
+		if (isset($this->dbFields[$field])) {
+			return $this->dbFields[$field];
+		}
+		return null;
+	}
+
+	// Save the JSON file
+	public function save()
+	{
+		$data = '';
+		if ($this->firstLine) {
+			$data  = "<?php defined('BLUDIT') or die('Bludit CMS.'); ?>".PHP_EOL;
+		}
+
+		// Serialize database
+		$data .= $this->serialize($this->db);
+
+		// Backup the new database.
+		$this->dbBackup = $this->db;
+
+		// LOCK_EX flag to prevent anyone else writing to the file at the same time.
+		if (file_put_contents($this->file, $data, LOCK_EX)) {
+			return true;
+		} else {
+			Log::set(__METHOD__.LOG_SEP.'Error occurred when trying to save the database file.', LOG_TYPE_ERROR);
+			return false;
+		}
+	}
+
+	// Returns a JSON encoded string on success or FALSE on failure
+	private function serialize($data)
+	{
+		if (DEBUG_MODE) {
+			return json_encode($data, JSON_PRETTY_PRINT);
+		}
+		return json_encode($data);
+	}
+
+	// Returns the value encoded in json in appropriate PHP type
+	private function unserialize($data)
+	{
+		// NULL is returned if the json cannot be decoded
+		$decode = json_decode($data, true);
+		if ($decode===NULL) {
+			Log::set(__METHOD__.LOG_SEP.'Error trying to read the JSON file: '.$this->file, LOG_TYPE_ERROR);
+			return false;
+		}
+		return $decode;
+	}
+
+	public function getDB()
+	{
+		return $this->db;
+	}
+
+	// Truncate all the rows
+	public function truncate()
+	{
+		$this->db = array();
+		return $this->save();
+	}
+
+}