18 files changed, 140 insertions, 81 deletions
diff --git a/phpBB/includes/acp/acp_attachments.php b/phpBB/includes/acp/acp_attachments.php
index d0e8ff3882..55459739ca 100644
--- a/phpBB/includes/acp/acp_attachments.php
+++ b/phpBB/includes/acp/acp_attachments.php
@@ -1472,7 +1472,7 @@ class acp_attachments
 			$ip_list = array_unique(explode("\n", $ips));
 			$ip_list_log = implode(', ', $ip_list);
 
-			$ip_exclude = (int) $request->variable('ipexclude', false, false, phpbb_request_interface::POST);
+			$ip_exclude = (int) $request->variable('ipexclude', false, false, \phpbb\request\request_interface::POST);
 
 			$iplist = array();
 			$hostlist = array();
diff --git a/phpBB/includes/acp/acp_bbcodes.php b/phpBB/includes/acp/acp_bbcodes.php
index 9c430b5a0b..dca39df38c 100644
--- a/phpBB/includes/acp/acp_bbcodes.php
+++ b/phpBB/includes/acp/acp_bbcodes.php
@@ -275,7 +275,7 @@ class acp_bbcodes
 						
 						if ($request->is_ajax())
 						{
-							$json_response = new phpbb_json_response;
+							$json_response = new \phpbb\json_response;
 							$json_response->send(array(
 								'MESSAGE_TITLE'	=> $user->lang['INFORMATION'],
 								'MESSAGE_TEXT'	=> $user->lang['BBCODE_DELETED'],
diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index 12e2a1bf72..40dca53b76 100644
--- a/phpBB/includes/acp/acp_board.php
+++ b/phpBB/includes/acp/acp_board.php
@@ -328,6 +328,7 @@ class acp_board
 						'session_length'	=> array('lang' => 'SESSION_LENGTH',	'validate' => 'int:60:9999999999',	'type' => 'number:60:9999999999', 'explain' => true, 'append' => ' ' . $user->lang['SECONDS']),
 						'active_sessions'	=> array('lang' => 'LIMIT_SESSIONS',	'validate' => 'int:0:9999',	'type' => 'number:0:9999', 'explain' => true),
 						'load_online_time'	=> array('lang' => 'ONLINE_LENGTH',		'validate' => 'int:0:999',	'type' => 'number:0:999', 'explain' => true, 'append' => ' ' . $user->lang['MINUTES']),
+						'read_notification_expire_days'	=> array('lang' => 'READ_NOTIFICATION_EXPIRE_DAYS',	'validate' => 'int:0',	'type' => 'number:0', 'explain' => true, 'append' => ' ' . $user->lang['DAYS']),
 
 						'legend2'				=> 'GENERAL_OPTIONS',
 						'load_notifications'	=> array('lang' => 'LOAD_NOTIFICATIONS',	'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
@@ -343,7 +344,7 @@ class acp_board
 						'load_jumpbox'			=> array('lang' => 'YES_JUMPBOX',			'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => false),
 						'load_user_activity'	=> array('lang' => 'LOAD_USER_ACTIVITY',	'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 						'load_tplcompile'		=> array('lang' => 'RECOMPILE_STYLES',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
-						'load_jquery_cdn'		=> array('lang' => 'LOAD_JQUERY_CDN',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
+						'allow_cdn'				=> array('lang' => 'ALLOW_CDN',				'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 
 						'legend3'				=> 'CUSTOM_PROFILE_FIELDS',
 						'load_cpf_memberlist'	=> array('lang' => 'LOAD_CPF_MEMBERLIST',	'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => false),
@@ -375,6 +376,7 @@ class acp_board
 						'use_system_cron'		=> array('lang' => 'USE_SYSTEM_CRON',		'validate' => 'bool',	'type' => 'radio:yes_no', 'explain' => true),
 
 						'legend2'				=> 'PATH_SETTINGS',
+						'enable_mod_rewrite'	=> array('lang' => 'MOD_REWRITE_ENABLE',	'validate' => 'bool',	'type' => 'custom', 'method' => 'enable_mod_rewrite', 'explain' => true),
 						'smilies_path'			=> array('lang' => 'SMILIES_PATH',		'validate' => 'rpath',	'type' => 'text:20:255', 'explain' => true),
 						'icons_path'			=> array('lang' => 'ICONS_PATH',		'validate' => 'rpath',	'type' => 'text:20:255', 'explain' => true),
 						'upload_icons_path'		=> array('lang' => 'UPLOAD_ICONS_PATH',	'validate' => 'rpath',	'type' => 'text:20:255', 'explain' => true),
@@ -658,6 +660,13 @@ class acp_board
 				$auth_tpl = $provider->get_acp_template($this->new_config);
 				if ($auth_tpl)
 				{
+					if (array_key_exists('BLOCK_VAR_NAME', $auth_tpl))
+					{
+						foreach ($auth_tpl['BLOCK_VARS'] as $block_vars)
+						{
+							$template->assign_block_vars($auth_tpl['BLOCK_VAR_NAME'], $block_vars);
+						}
+					}
 					$template->assign_vars($auth_tpl['TEMPLATE_VARS']);
 					$template->assign_block_vars('auth_tpl', array(
 						'TEMPLATE_FILE'	=> $auth_tpl['TEMPLATE_FILE'],
@@ -679,7 +688,7 @@ class acp_board
 
 		foreach ($auth_providers as $key => $value)
 		{
-			if (!($value instanceof phpbb_auth_provider_interface))
+			if (!($value instanceof \phpbb\auth\provider\provider_interface))
 			{
 				continue;
 			}
@@ -994,4 +1003,51 @@ class acp_board
 		$cache->destroy('sql', FORUMS_TABLE);
 	}
 
+	/**
+	* Option to enable/disable removal of 'app.php' from URLs
+	*
+	* Note that if mod_rewrite is on, URLs without app.php will still work,
+	* but any paths generated by the controller helper url() method will not
+	* contain app.php.
+	*
+	* @param int $value The current config value
+	* @param string $key The config key
+	* @return string The HTML for the form field
+	*/
+	function enable_mod_rewrite($value, $key)
+	{
+		global $user, $config;
+
+		// Determine whether mod_rewrite is enabled on the server
+		// NOTE: This only works on Apache servers on which PHP is NOT
+		// installed as CGI. In that case, there is no way for PHP to
+		// determine whether or not the Apache module is enabled.
+		//
+		// To be clear on the value of $mod_rewite:
+		// null = Cannot determine whether or not the server has mod_rewrite
+		//        enabled
+		// false = Can determine that the server does NOT have mod_rewrite
+		//         enabled
+		// true = Can determine that the server DOES have mod_rewrite_enabled
+		$mod_rewrite = null;
+		if (function_exists('apache_get_modules'))
+		{
+			$mod_rewrite = (bool) in_array('mod_rewrite', apache_get_modules());
+		}
+
+		// If $message is false, mod_rewrite is enabled.
+		// Otherwise, it is not and we need to:
+		// 1) disable the form field
+		// 2) make sure the config value is set to 0
+		// 3) append the message to the return
+		$value = ($mod_rewrite === false) ? 0 : $value;
+		$message = $mod_rewrite === null ? 'MOD_REWRITE_INFORMATION_UNAVAILABLE' : ($mod_rewrite === false ? 'MOD_REWRITE_DISABLED' : false);
+
+		// Let's do some friendly HTML injection if we want to disable the
+		// form field because h_radio() has no pretty way of doing so
+		$field_name = 'config[enable_mod_rewrite]' . ($message === 'MOD_REWRITE_DISABLED' ? '" disabled="disabled' : '');
+
+		return h_radio($field_name, array(1 => 'YES', 0 => 'NO'), $value) .
+			($message !== false ? '<br /><span>' . $user->lang($message) . '</span>' : '');
+	}
 }
diff --git a/phpBB/includes/acp/acp_bots.php b/phpBB/includes/acp/acp_bots.php
index b9dd6664f4..e28a8d6451 100644
--- a/phpBB/includes/acp/acp_bots.php
+++ b/phpBB/includes/acp/acp_bots.php
@@ -355,7 +355,7 @@ class acp_bots
 		
 		if ($request->is_ajax() && ($action == 'activate' || $action == 'deactivate'))
 		{
-			$json_response = new phpbb_json_response;
+			$json_response = new \phpbb\json_response;
 			$json_response->send(array(
 				'text'	=> $user->lang['BOT_' . (($action == 'activate') ? 'DE' : '') . 'ACTIVATE'],
 			));
diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index 5d191b3d0f..fc08a5fb94 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -28,7 +28,7 @@ class acp_database
 		global $cache, $db, $user, $auth, $template, $table_prefix;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
-		$this->db_tools = new phpbb_db_tools($db);
+		$this->db_tools = new \phpbb\db\tools($db);
 
 		$user->add_lang('acp/database');
 
diff --git a/phpBB/includes/acp/acp_extensions.php b/phpBB/includes/acp/acp_extensions.php
index 379e779c2c..b41f4d4e81 100644
--- a/phpBB/includes/acp/acp_extensions.php
+++ b/phpBB/includes/acp/acp_extensions.php
@@ -58,13 +58,13 @@ class acp_extensions
 		// If they've specified an extension, let's load the metadata manager and validate it.
 		if ($ext_name)
 		{
-			$md_manager = new phpbb_extension_metadata_manager($ext_name, $config, $phpbb_extension_manager, $template, $phpbb_root_path);
+			$md_manager = new \phpbb\extension\metadata_manager($ext_name, $config, $phpbb_extension_manager, $template, $phpbb_root_path);
 
 			try
 			{
 				$md_manager->get_metadata('all');
 			}
-			catch(phpbb_extension_exception $e)
+			catch(\phpbb\extension\exception $e)
 			{
 				trigger_error($e);
 			}
@@ -120,7 +120,7 @@ class acp_extensions
 						}
 					}
 				}
-				catch (phpbb_db_migration_exception $e)
+				catch (\phpbb\db\migration\exception $e)
 				{
 					$template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($user));
 				}
@@ -188,7 +188,7 @@ class acp_extensions
 						}
 					}
 				}
-				catch (phpbb_db_migration_exception $e)
+				catch (\phpbb\db\migration\exception $e)
 				{
 					$template->assign_var('MIGRATOR_ERROR', $e->getLocalisedMessage($user));
 				}
@@ -217,7 +217,7 @@ class acp_extensions
 	 * @param  $phpbb_extension_manager     An instance of the extension manager
 	 * @return null
 	 */
-	public function list_enabled_exts(phpbb_extension_manager $phpbb_extension_manager)
+	public function list_enabled_exts(\phpbb\extension\manager $phpbb_extension_manager)
 	{
 		foreach ($phpbb_extension_manager->all_enabled() as $name => $location)
 		{
@@ -236,7 +236,7 @@ class acp_extensions
 					'PURGE'			=> $this->u_action . '&amp;action=purge_pre&amp;ext_name=' . urlencode($name),
 				));
 			}
-			catch(phpbb_extension_exception $e)
+			catch(\phpbb\extension\exception $e)
 			{
 				$this->template->assign_block_vars('disabled', array(
 					'META_DISPLAY_NAME'		=> $this->user->lang('EXTENSION_INVALID_LIST', $name, $e),
@@ -251,7 +251,7 @@ class acp_extensions
 	 * @param  $phpbb_extension_manager     An instance of the extension manager
 	 * @return null
 	 */
-	public function list_disabled_exts(phpbb_extension_manager $phpbb_extension_manager)
+	public function list_disabled_exts(\phpbb\extension\manager $phpbb_extension_manager)
 	{
 		foreach ($phpbb_extension_manager->all_disabled() as $name => $location)
 		{
@@ -270,7 +270,7 @@ class acp_extensions
 					'PURGE'			=> $this->u_action . '&amp;action=purge_pre&amp;ext_name=' . urlencode($name),
 				));
 			}
-			catch(phpbb_extension_exception $e)
+			catch(\phpbb\extension\exception $e)
 			{
 				$this->template->assign_block_vars('disabled', array(
 					'META_DISPLAY_NAME'		=> $this->user->lang('EXTENSION_INVALID_LIST', $name, $e),
@@ -285,7 +285,7 @@ class acp_extensions
 	 * @param  $phpbb_extension_manager     An instance of the extension manager
 	 * @return null
 	 */
-	public function list_available_exts(phpbb_extension_manager $phpbb_extension_manager)
+	public function list_available_exts(\phpbb\extension\manager $phpbb_extension_manager)
 	{
 		$uninstalled = array_diff_key($phpbb_extension_manager->all_available(), $phpbb_extension_manager->all_configured());
 
@@ -305,7 +305,7 @@ class acp_extensions
 					'ENABLE'		=> $this->u_action . '&amp;action=enable_pre&amp;ext_name=' . urlencode($name),
 				));
 			}
-			catch(phpbb_extension_exception $e)
+			catch(\phpbb\extension\exception $e)
 			{
 				$this->template->assign_block_vars('disabled', array(
 					'META_DISPLAY_NAME'		=> $this->user->lang('EXTENSION_INVALID_LIST', $name, $e),
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index 970b033995..258aabcc0d 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -55,7 +55,6 @@ class acp_forums
 				$total = request_var('total', 0);
 
 				$this->display_progress_bar($start, $total);
-				exit;
 			break;
 
 			case 'delete':
@@ -269,7 +268,7 @@ class acp_forums
 
 				if ($request->is_ajax())
 				{
-					$json_response = new phpbb_json_response;
+					$json_response = new \phpbb\json_response;
 					$json_response->send(array('success' => ($move_forum_name !== false)));
 				}
 
diff --git a/phpBB/includes/acp/acp_groups.php b/phpBB/includes/acp/acp_groups.php
index e6a36c97a8..ad29a5521b 100644
--- a/phpBB/includes/acp/acp_groups.php
+++ b/phpBB/includes/acp/acp_groups.php
@@ -324,7 +324,7 @@ class acp_groups
 					$avatar_drivers = $phpbb_avatar_manager->get_enabled_drivers();
 
 					// This is normalised data, without the group_ prefix
-					$avatar_data = phpbb_avatar_manager::clean_row($group_row);
+					$avatar_data = \phpbb\avatar\manager::clean_row($group_row);
 				}
 
 
@@ -891,7 +891,7 @@ class acp_groups
 					break;
 				}
 			}
-			catch (phpbb_groupposition_exception $exception)
+			catch (\phpbb\groupposition\exception $exception)
 			{
 				trigger_error($user->lang($exception->getMessage()) . adm_back_link($this->u_action), E_USER_WARNING);
 			}
@@ -919,7 +919,7 @@ class acp_groups
 					break;
 				}
 			}
-			catch (phpbb_groupposition_exception $exception)
+			catch (\phpbb\groupposition\exception $exception)
 			{
 				trigger_error($user->lang($exception->getMessage()) . adm_back_link($this->u_action), E_USER_WARNING);
 			}
@@ -943,7 +943,7 @@ class acp_groups
 
 		if (($action == 'move_up' || $action == 'move_down') && $request->is_ajax())
 		{
-			$json_response = new phpbb_json_response;
+			$json_response = new \phpbb\json_response;
 			$json_response->send(array('success' => true));
 		}
 
@@ -961,7 +961,7 @@ class acp_groups
 				$template->assign_block_vars('legend', array(
 					'GROUP_NAME'	=> $group_name,
 					'GROUP_COLOUR'	=> ($row['group_colour']) ? '#' . $row['group_colour'] : '',
-					'GROUP_TYPE'	=> $user->lang[phpbb_groupposition_legend::group_type_language($row['group_type'])],
+					'GROUP_TYPE'	=> $user->lang[\phpbb\groupposition\legend::group_type_language($row['group_type'])],
 
 					'U_MOVE_DOWN'	=> "{$this->u_action}&amp;field=legend&amp;action=move_down&amp;g=" . $row['group_id'],
 					'U_MOVE_UP'		=> "{$this->u_action}&amp;field=legend&amp;action=move_up&amp;g=" . $row['group_id'],
@@ -1004,7 +1004,7 @@ class acp_groups
 			if ($row['group_id'])
 			{
 				$group_name = ($row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $row['group_name']] : $row['group_name'];
-				$group_type = $user->lang[phpbb_groupposition_teampage::group_type_language($row['group_type'])];
+				$group_type = $user->lang[\phpbb\groupposition\teampage::group_type_language($row['group_type'])];
 			}
 			else
 			{
diff --git a/phpBB/includes/acp/acp_icons.php b/phpBB/includes/acp/acp_icons.php
index db4b4263b0..5b23f9c3a0 100644
--- a/phpBB/includes/acp/acp_icons.php
+++ b/phpBB/includes/acp/acp_icons.php
@@ -338,7 +338,7 @@ class acp_icons
 				$image_display_on_posting = (isset($_POST['display_on_posting'])) ? request_var('display_on_posting', array('' => 0)) : array();
 
 				// Ok, add the relevant bits if we are adding new codes to existing emoticons...
-				if ($request->variable('add_additional_code', false, false, phpbb_request_interface::POST))
+				if ($request->variable('add_additional_code', false, false, \phpbb\request\request_interface::POST))
 				{
 					$add_image			= request_var('add_image', '');
 					$add_code			= utf8_normalize_nfc(request_var('add_code', '', true));
@@ -354,7 +354,7 @@ class acp_icons
 						$image_width[$add_image] = request_var('add_width', 0);
 						$image_height[$add_image] = request_var('add_height', 0);
 
-						if ($request->variable('add_display_on_posting', false, false, phpbb_request_interface::POST))
+						if ($request->variable('add_display_on_posting', false, false, \phpbb\request\request_interface::POST))
 						{
 							$image_display_on_posting[$add_image] = 1;
 						}
@@ -785,7 +785,7 @@ class acp_icons
 					
 					if ($request->is_ajax())
 					{
-						$json_response = new phpbb_json_response;
+						$json_response = new \phpbb\json_response;
 						$json_response->send(array(
 							'MESSAGE_TITLE'	=> $user->lang['INFORMATION'],
 							'MESSAGE_TEXT'	=> $notice,
diff --git a/phpBB/includes/acp/acp_language.php b/phpBB/includes/acp/acp_language.php
index 2be1ccfc41..013aab670f 100644
--- a/phpBB/includes/acp/acp_language.php
+++ b/phpBB/includes/acp/acp_language.php
@@ -161,7 +161,7 @@ class acp_language
 					'method'		=> $method)
 				);
 
-				$hidden_data .= build_hidden_fields(array('entry' => $request->variable('entry', $request_default, true, phpbb_request_interface::POST)));
+				$hidden_data .= build_hidden_fields(array('entry' => $request->variable('entry', $request_default, true, \phpbb\request\request_interface::POST)));
 
 				$template->assign_vars(array(
 					'S_UPLOAD'	=> true,
@@ -218,7 +218,7 @@ class acp_language
 					trigger_error($user->lang['FORM_INVALID']. adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
-				$entry_value = $request->variable('entry', $request_default, true, phpbb_request_interface::POST);
+				$entry_value = $request->variable('entry', $request_default, true, \phpbb\request\request_interface::POST);
 
 				if (!$lang_id || !$entry_value)
 				{
diff --git a/phpBB/includes/acp/acp_logs.php b/phpBB/includes/acp/acp_logs.php
index d86521532c..229bf135ff 100644
--- a/phpBB/includes/acp/acp_logs.php
+++ b/phpBB/includes/acp/acp_logs.php
@@ -35,8 +35,8 @@ class acp_logs
 		$forum_id	= request_var('f', 0);
 		$topic_id	= request_var('t', 0);
 		$start		= request_var('start', 0);
-		$deletemark = $request->variable('delmarked', false, false, phpbb_request_interface::POST);
-		$deleteall	= $request->variable('delall', false, false, phpbb_request_interface::POST);
+		$deletemark = $request->variable('delmarked', false, false, \phpbb\request\request_interface::POST);
+		$deleteall	= $request->variable('delall', false, false, \phpbb\request\request_interface::POST);
 		$marked		= request_var('mark', array(0));
 
 		// Sort keys
diff --git a/phpBB/includes/acp/acp_modules.php b/phpBB/includes/acp/acp_modules.php
index a1e681b29c..100e33044b 100644
--- a/phpBB/includes/acp/acp_modules.php
+++ b/phpBB/includes/acp/acp_modules.php
@@ -375,10 +375,11 @@ class acp_modules
 		{
 			if ($request->is_ajax())
 			{
-				$json_response = new phpbb_json_response;
+				$json_response = new \phpbb\json_response;
 				$json_response->send(array(
 					'MESSAGE_TITLE'	=> $user->lang('ERROR'),
 					'MESSAGE_TEXT'	=> implode('<br />', $errors),
+					'SUCCESS'	=> false,
 				));
 			}
 
@@ -564,7 +565,7 @@ class acp_modules
 		{
 			// Skip entries we do not need if we know the module we are
 			// looking for
-			if ($module && strpos($cur_module, $module) === false)
+			if ($module && strpos(str_replace('\\', '_', $cur_module), $module) === false && $module !== $cur_module)
 			{
 				continue;
 			}
diff --git a/phpBB/includes/acp/acp_permission_roles.php b/phpBB/includes/acp/acp_permission_roles.php
index e830479389..17e48d6576 100644
--- a/phpBB/includes/acp/acp_permission_roles.php
+++ b/phpBB/includes/acp/acp_permission_roles.php
@@ -25,7 +25,7 @@ class acp_permission_roles
 
 	function main($id, $mode)
 	{
-		global $db, $user, $auth, $template, $cache;
+		global $db, $user, $auth, $template, $cache, $phpbb_container;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
 		include_once($phpbb_root_path . 'includes/functions_user.' . $phpEx);
@@ -306,6 +306,8 @@ class acp_permission_roles
 					trigger_error($user->lang['NO_ROLE_SELECTED'] . adm_back_link($this->u_action), E_USER_WARNING);
 				}
 
+				$phpbb_permissions = $phpbb_container->get('acl.permissions');
+
 				$template->assign_vars(array(
 					'S_EDIT'			=> true,
 
@@ -314,9 +316,8 @@ class acp_permission_roles
 
 					'ROLE_NAME'			=> $role_row['role_name'],
 					'ROLE_DESCRIPTION'	=> $role_row['role_description'],
-					'L_ACL_TYPE'		=> $user->lang['ACL_TYPE_' . strtoupper($permission_type)],
-					)
-				);
+					'L_ACL_TYPE'		=> $phpbb_permissions->get_type_lang($permission_type),
+				));
 
 				// We need to fill the auth options array with ACL_NO options ;)
 				$sql = 'SELECT auth_option_id, auth_option
@@ -456,7 +457,9 @@ class acp_permission_roles
 	*/
 	function display_auth_options($auth_options)
 	{
-		global $template, $user;
+		global $template, $user, $phpbb_container;
+
+		$phpbb_permissions = $phpbb_container->get('acl.permissions');
 
 		$content_array = $categories = array();
 		$key_sort_array = array(0);
@@ -473,7 +476,7 @@ class acp_permission_roles
 		foreach ($content_array as $cat => $cat_array)
 		{
 			$template->assign_block_vars('auth', array(
-				'CAT_NAME'	=> $user->lang['permission_cat'][$cat],
+				'CAT_NAME'	=> $phpbb_permissions->get_category_lang($cat),
 
 				'S_YES'		=> ($cat_array['S_YES'] && !$cat_array['S_NEVER'] && !$cat_array['S_NO']) ? true : false,
 				'S_NEVER'	=> ($cat_array['S_NEVER'] && !$cat_array['S_YES'] && !$cat_array['S_NO']) ? true : false,
@@ -488,8 +491,8 @@ class acp_permission_roles
 					'S_NO'		=> ($allowed == ACL_NO) ? true : false,
 
 					'FIELD_NAME'	=> $permission,
-					'PERMISSION'	=> $user->lang['acl_' . $permission]['lang'])
-				);
+					'PERMISSION'	=> $phpbb_permissions->get_permission_lang($permission),
+				));
 			}
 		}
 	}
diff --git a/phpBB/includes/acp/acp_permissions.php b/phpBB/includes/acp/acp_permissions.php
index a64765f4f5..e7dc03db5c 100644
--- a/phpBB/includes/acp/acp_permissions.php
+++ b/phpBB/includes/acp/acp_permissions.php
@@ -22,15 +22,18 @@ class acp_permissions
 {
 	var $u_action;
 	var $permission_dropdown;
+	protected $permissions;
 
 	function main($id, $mode)
 	{
-		global $db, $user, $auth, $template, $cache;
+		global $db, $user, $auth, $template, $cache, $phpbb_container;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
 		include_once($phpbb_root_path . 'includes/functions_user.' . $phpEx);
 		include_once($phpbb_root_path . 'includes/acp/auth.' . $phpEx);
 
+		$this->permissions = $phpbb_container->get('acl.permissions');
+
 		$auth_admin = new auth_admin();
 
 		$user->add_lang('acp/permissions');
@@ -49,7 +52,7 @@ class acp_permissions
 
 			if ($user_id && isset($auth_admin->acl_options['id'][$permission]) && $auth->acl_get('a_viewauth'))
 			{
-				$this->page_title = sprintf($user->lang['TRACE_PERMISSION'], $user->lang['acl_' . $permission]['lang']);
+				$this->page_title = sprintf($user->lang['TRACE_PERMISSION'], $this->permissions->get_permission_lang($permission));
 				$this->permission_trace($user_id, $forum_id, $permission);
 				return;
 			}
@@ -512,7 +515,7 @@ class acp_permissions
 
 		$template->assign_vars(array(
 			'S_PERMISSION_DROPDOWN'		=> (sizeof($this->permission_dropdown) > 1) ? $this->build_permission_dropdown($this->permission_dropdown, $permission_type, $permission_scope) : false,
-			'L_PERMISSION_TYPE'			=> $user->lang['ACL_TYPE_' . strtoupper($permission_type)],
+			'L_PERMISSION_TYPE'			=> $this->permissions->get_type_lang($permission_type),
 
 			'U_ACTION'					=> $this->u_action,
 			'S_HIDDEN_FIELDS'			=> $s_hidden_fields)
@@ -587,7 +590,7 @@ class acp_permissions
 	*/
 	function build_permission_dropdown($options, $default_option, $permission_scope)
 	{
-		global $user, $auth;
+		global $auth;
 
 		$s_dropdown_options = '';
 		foreach ($options as $setting)
@@ -598,7 +601,7 @@ class acp_permissions
 			}
 
 			$selected = ($setting == $default_option) ? ' selected="selected"' : '';
-			$l_setting = (isset($user->lang['permission_type'][$permission_scope][$setting])) ? $user->lang['permission_type'][$permission_scope][$setting] : $user->lang['permission_type'][$setting];
+			$l_setting = $this->permissions->get_type_lang($setting, $permission_scope);
 			$s_dropdown_options .= '<option value="' . $setting . '"' . $selected . '>' . $l_setting . '</option>';
 		}
 
@@ -676,7 +679,7 @@ class acp_permissions
 		list($ug_id, ) = each($psubmit);
 		list($forum_id, ) = each($psubmit[$ug_id]);
 
-		$settings = $request->variable('setting', array(0 => array(0 => array('' => 0))), false, phpbb_request_interface::POST);
+		$settings = $request->variable('setting', array(0 => array(0 => array('' => 0))), false, \phpbb\request\request_interface::POST);
 		if (empty($settings) || empty($settings[$ug_id]) || empty($settings[$ug_id][$forum_id]))
 		{
 			trigger_error('WRONG_PERMISSION_SETTING_FORMAT', E_USER_WARNING);
@@ -685,7 +688,7 @@ class acp_permissions
 		$auth_settings = $settings[$ug_id][$forum_id];
 
 		// Do we have a role we want to set?
-		$roles = $request->variable('role', array(0 => array(0 => 0)), false, phpbb_request_interface::POST);
+		$roles = $request->variable('role', array(0 => array(0 => 0)), false, \phpbb\request\request_interface::POST);
 		$assigned_role = (isset($roles[$ug_id][$forum_id])) ? (int) $roles[$ug_id][$forum_id] : 0;
 
 		// Do the admin want to set these permissions to other items too?
@@ -757,8 +760,8 @@ class acp_permissions
 			trigger_error($user->lang['NO_AUTH_OPERATION'] . adm_back_link($this->u_action), E_USER_WARNING);
 		}
 
-		$auth_settings = $request->variable('setting', array(0 => array(0 => array('' => 0))), false, phpbb_request_interface::POST);
-		$auth_roles = $request->variable('role', array(0 => array(0 => 0)), false, phpbb_request_interface::POST);
+		$auth_settings = $request->variable('setting', array(0 => array(0 => array('' => 0))), false, \phpbb\request\request_interface::POST);
+		$auth_roles = $request->variable('role', array(0 => array(0 => 0)), false, \phpbb\request\request_interface::POST);
 		$ug_ids = $forum_ids = array();
 
 		// We need to go through the auth settings
@@ -979,7 +982,7 @@ class acp_permissions
 		$back = request_var('back', 0);
 
 		$template->assign_vars(array(
-			'PERMISSION'			=> $user->lang['acl_' . $permission]['lang'],
+			'PERMISSION'			=> $this->permissions->get_permission_lang($permission),
 			'PERMISSION_USERNAME'	=> $userdata['username'],
 			'FORUM_NAME'			=> $forum_name,
 
@@ -1100,7 +1103,7 @@ class acp_permissions
 		{
 			if ($user_id != $user->data['user_id'])
 			{
-				$auth2 = new phpbb_auth();
+				$auth2 = new \phpbb\auth\auth();
 				$auth2->acl($userdata);
 				$auth_setting = $auth2->acl_get($permission);
 			}
diff --git a/phpBB/includes/acp/acp_profile.php b/phpBB/includes/acp/acp_profile.php
index 849160f1fa..4e8145009f 100644
--- a/phpBB/includes/acp/acp_profile.php
+++ b/phpBB/includes/acp/acp_profile.php
@@ -245,7 +245,7 @@ class acp_profile
 
 				if ($request->is_ajax())
 				{
-					$json_response = new phpbb_json_response();
+					$json_response = new \phpbb\json_response();
 					$json_response->send(array(
 						'text'	=> $user->lang('DEACTIVATE'),
 					));
@@ -277,7 +277,7 @@ class acp_profile
 
 				if ($request->is_ajax())
 				{
-					$json_response = new phpbb_json_response();
+					$json_response = new \phpbb\json_response();
 					$json_response->send(array(
 						'text'	=> $user->lang('ACTIVATE'),
 					));
@@ -510,7 +510,7 @@ class acp_profile
 							$cp->vars['field_default_value_month'] = $now['mon'];
 							$cp->vars['field_default_value_year'] = $now['year'];
 							$var = 'now';
-							$request->overwrite('field_default_value', $var, phpbb_request_interface::POST);
+							$request->overwrite('field_default_value', $var, \phpbb\request\request_interface::POST);
 						}
 						else
 						{
@@ -520,7 +520,7 @@ class acp_profile
 								$cp->vars['field_default_value_month'] = request_var('field_default_value_month', 0);
 								$cp->vars['field_default_value_year'] = request_var('field_default_value_year', 0);
 								$var = sprintf('%2d-%2d-%4d', $cp->vars['field_default_value_day'], $cp->vars['field_default_value_month'], $cp->vars['field_default_value_year']);
-								$request->overwrite('field_default_value', $var, phpbb_request_interface::POST);
+								$request->overwrite('field_default_value', $var, \phpbb\request\request_interface::POST);
 							}
 							else
 							{
diff --git a/phpBB/includes/acp/acp_ranks.php b/phpBB/includes/acp/acp_ranks.php
index 6b06d03f52..73e1de44d9 100644
--- a/phpBB/includes/acp/acp_ranks.php
+++ b/phpBB/includes/acp/acp_ranks.php
@@ -125,7 +125,7 @@ class acp_ranks
 
 					if ($request->is_ajax())
 					{
-						$json_response = new phpbb_json_response;
+						$json_response = new \phpbb\json_response;
 						$json_response->send(array(
 							'MESSAGE_TITLE'	=> $user->lang['INFORMATION'],
 							'MESSAGE_TEXT'	=> $user->lang['RANK_REMOVED'],
diff --git a/phpBB/includes/acp/acp_users.php b/phpBB/includes/acp/acp_users.php
index cbfd578d87..8853200ddc 100644
--- a/phpBB/includes/acp/acp_users.php
+++ b/phpBB/includes/acp/acp_users.php
@@ -1604,7 +1604,7 @@ class acp_users
 								|| $user_row['user_allow_viewonline'] && !$sql_ary['user_allow_viewonline'])
 							{
 								// We also need to check if the user has the permission to cloak.
-								$user_auth = new phpbb_auth();
+								$user_auth = new \phpbb\auth\auth();
 								$user_auth->acl($user_row);
 
 								$session_sql_ary = array(
@@ -1742,7 +1742,7 @@ class acp_users
 					$avatar_drivers = $phpbb_avatar_manager->get_enabled_drivers();
 
 					// This is normalised data, without the user_ prefix
-					$avatar_data = phpbb_avatar_manager::clean_row($user_row);
+					$avatar_data = \phpbb\avatar\manager::clean_row($user_row);
 
 					if ($submit)
 					{
diff --git a/phpBB/includes/acp/auth.php b/phpBB/includes/acp/auth.php
index 6b1da46a12..f5f90fb5b8 100644
--- a/phpBB/includes/acp/auth.php
+++ b/phpBB/includes/acp/auth.php
@@ -19,7 +19,7 @@ if (!defined('IN_PHPBB'))
 * ACP Permission/Auth class
 * @package phpBB3
 */
-class auth_admin extends phpbb_auth
+class auth_admin extends \phpbb\auth\auth
 {
 	/**
 	* Init auth settings
@@ -130,7 +130,7 @@ class auth_admin extends phpbb_auth
 			{
 				if ($user->data['user_id'] != $userdata['user_id'])
 				{
-					$auth2 = new phpbb_auth();
+					$auth2 = new \phpbb\auth\auth();
 					$auth2->acl($userdata);
 				}
 				else
@@ -261,7 +261,8 @@ class auth_admin extends phpbb_auth
 	*/
 	function display_mask($mode, $permission_type, &$hold_ary, $user_mode = 'user', $local = false, $group_display = true)
 	{
-		global $template, $user, $db, $phpbb_root_path, $phpEx;
+		global $template, $user, $db, $phpbb_root_path, $phpEx, $phpbb_container;
+		$phpbb_permissions = $phpbb_container->get('acl.permissions');
 
 		// Define names for template loops, might be able to be set
 		$tpl_pmask = 'p_mask';
@@ -269,7 +270,7 @@ class auth_admin extends phpbb_auth
 		$tpl_category = 'category';
 		$tpl_mask = 'mask';
 
-		$l_acl_type = (isset($user->lang['ACL_TYPE_' . (($local) ? 'LOCAL' : 'GLOBAL') . '_' . strtoupper($permission_type)])) ? $user->lang['ACL_TYPE_' . (($local) ? 'LOCAL' : 'GLOBAL') . '_' . strtoupper($permission_type)] : 'ACL_TYPE_' . (($local) ? 'LOCAL' : 'GLOBAL') . '_' . strtoupper($permission_type);
+		$l_acl_type = $phpbb_permissions->get_type_lang($permission_type, (($local) ? 'local' : 'global'));
 
 		// Allow trace for viewing permissions and in user mode
 		$show_trace = ($mode == 'view' && $user_mode == 'user') ? true : false;
@@ -1100,7 +1101,9 @@ class auth_admin extends phpbb_auth
 	*/
 	function assign_cat_array(&$category_array, $tpl_cat, $tpl_mask, $ug_id, $forum_id, $show_trace = false, $s_view)
 	{
-		global $template, $user, $phpbb_admin_path, $phpEx;
+		global $template, $user, $phpbb_admin_path, $phpEx, $phpbb_container;
+
+		$phpbb_permissions = $phpbb_container->get('acl.permissions');
 
 		@reset($category_array);
 		while (list($cat, $cat_array) = each($category_array))
@@ -1110,8 +1113,8 @@ class auth_admin extends phpbb_auth
 				'S_NEVER'	=> ($cat_array['S_NEVER'] && !$cat_array['S_YES'] && !$cat_array['S_NO']) ? true : false,
 				'S_NO'		=> ($cat_array['S_NO'] && !$cat_array['S_NEVER'] && !$cat_array['S_YES']) ? true : false,
 
-				'CAT_NAME'	=> $user->lang['permission_cat'][$cat])
-			);
+				'CAT_NAME'	=> $phpbb_permissions->get_category_lang($cat),
+			));
 
 			/*	Sort permissions by name (more naturaly and user friendly than sorting by a primary key)
 			*	Commented out due to it's memory consumption and time needed
@@ -1145,8 +1148,8 @@ class auth_admin extends phpbb_auth
 						'U_TRACE'		=> ($show_trace) ? append_sid("{$phpbb_admin_path}index.$phpEx", "i=permissions&amp;mode=trace&amp;u=$ug_id&amp;f=$forum_id&amp;auth=$permission") : '',
 						'UA_TRACE'		=> ($show_trace) ? append_sid("{$phpbb_admin_path}index.$phpEx", "i=permissions&mode=trace&u=$ug_id&f=$forum_id&auth=$permission", false) : '',
 
-						'PERMISSION'	=> $user->lang['acl_' . $permission]['lang'])
-					);
+						'PERMISSION'	=> $phpbb_permissions->get_permission_lang($permission),
+					));
 				}
 				else
 				{
@@ -1163,8 +1166,8 @@ class auth_admin extends phpbb_auth
 						'U_TRACE'		=> ($show_trace) ? append_sid("{$phpbb_admin_path}index.$phpEx", "i=permissions&amp;mode=trace&amp;u=$ug_id&amp;f=$forum_id&amp;auth=$permission") : '',
 						'UA_TRACE'		=> ($show_trace) ? append_sid("{$phpbb_admin_path}index.$phpEx", "i=permissions&mode=trace&u=$ug_id&f=$forum_id&auth=$permission", false) : '',
 
-						'PERMISSION'	=> $user->lang['acl_' . $permission]['lang'])
-					);
+						'PERMISSION'	=> $phpbb_permissions->get_permission_lang($permission),
+					));
 				}
 			}
 		}
@@ -1176,7 +1179,9 @@ class auth_admin extends phpbb_auth
 	*/
 	function build_permission_array(&$permission_row, &$content_array, &$categories, $key_sort_array)
 	{
-		global $user;
+		global $user, $phpbb_container;
+
+		$phpbb_permissions = $phpbb_container->get('acl.permissions');
 
 		foreach ($key_sort_array as $forum_id)
 		{
@@ -1191,20 +1196,12 @@ class auth_admin extends phpbb_auth
 			@reset($permissions);
 			while (list($permission, $auth_setting) = each($permissions))
 			{
-				if (!isset($user->lang['acl_' . $permission]))
-				{
-					$user->lang['acl_' . $permission] = array(
-						'cat'	=> 'misc',
-						'lang'	=> '{ acl_' . $permission . ' }'
-					);
-				}
-
-				$cat = $user->lang['acl_' . $permission]['cat'];
+				$cat = $phpbb_permissions->get_permission_category($permission);
 
 				// Build our categories array
 				if (!isset($categories[$cat]))
 				{
-					$categories[$cat] = $user->lang['permission_cat'][$cat];
+					$categories[$cat] = $phpbb_permissions->get_category_lang($cat);
 				}
 
 				// Build our content array