From 25f5e4f18f9aed7272b3f3f9e8647c287b689b29 Mon Sep 17 00:00:00 2001
From: Tristan Darricau <tristan.darricau@sensiolabs.com>
Date: Thu, 17 Sep 2015 15:36:04 +0200
Subject: [PATCH] [ticket/12577] Lazy initialize the password manager

PHPBB3-12577
---
 phpBB/phpbb/passwords/manager.php | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/phpBB/phpbb/passwords/manager.php b/phpBB/phpbb/passwords/manager.php
index aa9147ecf4..03729815ba 100644
--- a/phpBB/phpbb/passwords/manager.php
+++ b/phpBB/phpbb/passwords/manager.php
@@ -49,6 +49,10 @@ class manager
 	*/
 	protected $config;
 
+	private $initialized = false;
+	private $hashing_algorithms;
+	private $defaults;
+
 	/**
 	* Construct a passwords object
 	*
@@ -62,9 +66,18 @@ class manager
 	{
 		$this->config = $config;
 		$this->helper = $helper;
+		$this->hashing_algorithms = $hashing_algorithms;
+		$this->defaults = $defaults;
+	}
 
-		$this->fill_type_map($hashing_algorithms);
-		$this->register_default_type($defaults);
+	protected function initialize()
+	{
+		if (!$this->initialized)
+		{
+			$this->initialized = true;
+			$this->fill_type_map($this->hashing_algorithms);
+			$this->register_default_type($this->defaults);
+		}
 	}
 
 	/**
@@ -144,6 +157,8 @@ class manager
 			return false;
 		}
 
+		$this->initialize();
+
 		// Be on the lookout for multiple hashing algorithms
 		// 2 is correct: H\2a > 2, H\P > 2
 		if (strlen($match[1]) > 2)
@@ -192,6 +207,8 @@ class manager
 			return false;
 		}
 
+		$this->initialize();
+
 		// Try to retrieve algorithm by service name if type doesn't
 		// start with dollar sign
 		if (!is_array($type) && strpos($type, '$') !== 0 && isset($this->algorithms[$type]))
@@ -242,6 +259,8 @@ class manager
 			return false;
 		}
 
+		$this->initialize();
+
 		// First find out what kind of hash we're dealing with
 		$stored_hash_type = $this->detect_algorithm($hash);
 		if ($stored_hash_type == false)
@@ -297,6 +316,8 @@ class manager
 	*/
 	public function combined_hash_password($password_hash, $type)
 	{
+		$this->initialize();
+
 		$data = array(
 			'prefix' => '$',
 			'settings' => '$',