1 files changed, 80 insertions, 0 deletions
diff --git a/phpBB/phpbb/hook/finder.php b/phpBB/phpbb/hook/finder.php
new file mode 100644
index 0000000000..a3d02d3aa0
--- /dev/null
+++ b/phpBB/phpbb/hook/finder.php
@@ -0,0 +1,80 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\hook;
+
+/**
+* The hook finder locates installed hooks.
+*/
+class finder
+{
+	protected $phpbb_root_path;
+	protected $cache;
+	protected $php_ext;
+
+	/**
+	* Creates a new finder instance.
+	*
+	* @param string $phpbb_root_path Path to the phpbb root directory
+	* @param string $php_ext php file extension
+	* @param \phpbb\cache\driver\driver_interface $cache A cache instance or null
+	*/
+	public function __construct($phpbb_root_path, $php_ext, \phpbb\cache\driver\driver_interface $cache = null)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->cache = $cache;
+		$this->php_ext = $php_ext;
+	}
+
+	/**
+	* Finds all hook files.
+	*
+	* @param bool $cache Whether the result should be cached
+	* @return array An array of paths to found hook files
+	*/
+	public function find($cache = true)
+	{
+		if (!defined('DEBUG') && $cache && $this->cache)
+		{
+			$hook_files = $this->cache->get('_hooks');
+			if ($hook_files !== false)
+			{
+				return $hook_files;
+			}
+		}
+
+		$hook_files = array();
+
+		// Now search for hooks...
+		$dh = @opendir($this->phpbb_root_path . 'includes/hooks/');
+
+		if ($dh)
+		{
+			while (($file = readdir($dh)) !== false)
+			{
+				if (strpos($file, 'hook_') === 0 && substr($file, -strlen('.' . $this->php_ext)) === '.' . $this->php_ext)
+				{
+					$hook_files[] = substr($file, 0, -(strlen($this->php_ext) + 1));
+				}
+			}
+			closedir($dh);
+		}
+
+		if ($cache && $this->cache)
+		{
+			$this->cache->put('_hooks', $hook_files);
+		}
+
+		return $hook_files;
+	}
+}