14 files changed, 206 insertions, 174 deletions
diff --git a/phpBB/includes/acp/acp_bbcodes.php b/phpBB/includes/acp/acp_bbcodes.php
index e537d7a8b9..9c430b5a0b 100644
--- a/phpBB/includes/acp/acp_bbcodes.php
+++ b/phpBB/includes/acp/acp_bbcodes.php
@@ -112,8 +112,8 @@ class acp_bbcodes
 				{
 					$template->assign_block_vars('token', array(
 						'TOKEN'		=> '{' . $token . '}',
-						'EXPLAIN'	=> $token_explain)
-					);
+						'EXPLAIN'	=> ($token === 'LOCAL_URL') ? sprintf($token_explain, generate_board_url() . '/') : $token_explain,
+					));
 				}
 
 				return;
@@ -347,6 +347,9 @@ class acp_bbcodes
 			'LOCAL_URL'	 => array(
 				'!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e'	=>	"\$this->bbcode_specialchars('$1')"
 			),
+			'RELATIVE_URL'	=> array(
+				'!(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')!e'	=>	"\$this->bbcode_specialchars('$1')"
+			),
 			'EMAIL' => array(
 				'!(' . get_preg_expression('email') . ')!ie'	=>	"\$this->bbcode_specialchars('$1')"
 			),
@@ -373,6 +376,7 @@ class acp_bbcodes
 		$sp_tokens = array(
 			'URL'	 => '(?i)((?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('url')) . ')|(?:' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('www_url')) . '))(?-i)',
 			'LOCAL_URL'	 => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)',
+			'RELATIVE_URL'	 => '(?i)(' . str_replace(array('!', '\#'), array('\!', '#'), get_preg_expression('relative_url')) . ')(?-i)',
 			'EMAIL' => '(' . get_preg_expression('email') . ')',
 			'TEXT' => '(.*?)',
 			'SIMPLETEXT' => '([a-zA-Z0-9-+.,_ ]+)',
@@ -429,7 +433,11 @@ class acp_bbcodes
 				$fp_replace = str_replace($token, $replace, $fp_replace);
 
 				$sp_match = str_replace(preg_quote($token, '!'), $sp_tokens[$token_type], $sp_match);
-				$sp_replace = str_replace($token, '${' . ($n + 1) . '}', $sp_replace);
+
+				// Prepend the board url to local relative links
+				$replace_prepend = ($token_type === 'LOCAL_URL') ? generate_board_url() . '/' : '';
+
+				$sp_replace = str_replace($token, $replace_prepend . '${' . ($n + 1) . '}', $sp_replace);
 			}
 
 			$fp_match = '!' . $fp_match . '!' . $modifiers;
diff --git a/phpBB/includes/acp/acp_board.php b/phpBB/includes/acp/acp_board.php
index 6881e03fdb..62e8044765 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),
@@ -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),
@@ -522,84 +524,54 @@ class acp_board
 		if ($mode == 'auth')
 		{
 			// Retrieve a list of auth plugins and check their config values
-			$auth_plugins = array();
+			$auth_providers = $phpbb_container->get('auth.provider_collection');
 
-			$dp = @opendir($phpbb_root_path . 'includes/auth');
-
-			if ($dp)
+			$updated_auth_settings = false;
+			$old_auth_config = array();
+			foreach ($auth_providers as $provider)
 			{
-				while (($file = readdir($dp)) !== false)
+				if ($fields = $provider->acp())
 				{
-					if (preg_match('#^auth_(.*?)\.' . $phpEx . '$#', $file))
+					// Check if we need to create config fields for this plugin and save config when submit was pressed
+					foreach ($fields as $field)
 					{
-						$auth_plugins[] = basename(preg_replace('#^auth_(.*?)\.' . $phpEx . '$#', '\1', $file));
-					}
-				}
-				closedir($dp);
+						if (!isset($config[$field]))
+						{
+							set_config($field, '');
+						}
 
-				sort($auth_plugins);
-			}
+						if (!isset($cfg_array[$field]) || strpos($field, 'legend') !== false)
+						{
+							continue;
+						}
 
-			$updated_auth_settings = false;
-			$old_auth_config = array();
-			foreach ($auth_plugins as $method)
-			{
-				if ($method && file_exists($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx))
-				{
-					include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx);
+						$old_auth_config[$field] = $this->new_config[$field];
+						$config_value = $cfg_array[$field];
+						$this->new_config[$field] = $config_value;
 
-					$method = 'acp_' . $method;
-					if (function_exists($method))
-					{
-						if ($fields = $method($this->new_config))
+						if ($submit)
 						{
-							// Check if we need to create config fields for this plugin and save config when submit was pressed
-							foreach ($fields['config'] as $field)
-							{
-								if (!isset($config[$field]))
-								{
-									set_config($field, '');
-								}
-
-								if (!isset($cfg_array[$field]) || strpos($field, 'legend') !== false)
-								{
-									continue;
-								}
-
-								$old_auth_config[$field] = $this->new_config[$field];
-								$config_value = $cfg_array[$field];
-								$this->new_config[$field] = $config_value;
-
-								if ($submit)
-								{
-									$updated_auth_settings = true;
-									set_config($field, $config_value);
-								}
-							}
+							$updated_auth_settings = true;
+							set_config($field, $config_value);
 						}
-						unset($fields);
 					}
 				}
+				unset($fields);
 			}
 
 			if ($submit && (($cfg_array['auth_method'] != $this->new_config['auth_method']) || $updated_auth_settings))
 			{
 				$method = basename($cfg_array['auth_method']);
-				if ($method && in_array($method, $auth_plugins))
+				if (array_key_exists('auth.provider.' . $method, $auth_providers))
 				{
-					include_once($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx);
-
-					$method = 'init_' . $method;
-					if (function_exists($method))
+					$provider = $auth_providers['auth.provider.' . $method];
+					if ($error = $provider->init())
 					{
-						if ($error = $method())
+						foreach ($old_auth_config as $config_name => $config_value)
 						{
-							foreach ($old_auth_config as $config_name => $config_value)
-							{
-								set_config($config_name, $config_value);
-							}
-							trigger_error($error . adm_back_link($this->u_action), E_USER_WARNING);
+							set_config($config_name, $config_value);
 						}
+						trigger_error($error . adm_back_link($this->u_action), E_USER_WARNING);
 					}
 					set_config('auth_method', basename($cfg_array['auth_method']));
 				}
@@ -683,23 +655,22 @@ class acp_board
 		{
 			$template->assign_var('S_AUTH', true);
 
-			foreach ($auth_plugins as $method)
+			foreach ($auth_providers as $provider)
 			{
-				if ($method && file_exists($phpbb_root_path . 'includes/auth/auth_' . $method . '.' . $phpEx))
+				$auth_tpl = $provider->get_acp_template($this->new_config);
+				if ($auth_tpl)
 				{
-					$method = 'acp_' . $method;
-					if (function_exists($method))
+					if (array_key_exists('BLOCK_VAR_NAME', $auth_tpl))
 					{
-						$fields = $method($this->new_config);
-
-						if ($fields['tpl'])
+						foreach ($auth_tpl['BLOCK_VARS'] as $block_vars)
 						{
-							$template->assign_block_vars('auth_tpl', array(
-								'TPL'	=> $fields['tpl'])
-							);
+							$template->assign_block_vars($auth_tpl['BLOCK_VAR_NAME'], $block_vars);
 						}
-						unset($fields);
 					}
+					$template->assign_vars($auth_tpl['TEMPLATE_VARS']);
+					$template->assign_block_vars('auth_tpl', array(
+						'TEMPLATE_FILE'	=> $auth_tpl['TEMPLATE_FILE'],
+					));
 				}
 			}
 		}
@@ -710,25 +681,19 @@ class acp_board
 	*/
 	function select_auth_method($selected_method, $key = '')
 	{
-		global $phpbb_root_path, $phpEx;
+		global $phpbb_root_path, $phpEx, $phpbb_container;
 
 		$auth_plugins = array();
+		$auth_providers = $phpbb_container->get('auth.provider_collection');
 
-		$dp = @opendir($phpbb_root_path . 'includes/auth');
-
-		if (!$dp)
-		{
-			return '';
-		}
-
-		while (($file = readdir($dp)) !== false)
+		foreach ($auth_providers as $key => $value)
 		{
-			if (preg_match('#^auth_(.*?)\.' . $phpEx . '$#', $file))
+			if (!($value instanceof phpbb_auth_provider_interface))
 			{
-				$auth_plugins[] = preg_replace('#^auth_(.*?)\.' . $phpEx . '$#', '\1', $file);
+				continue;
 			}
+			$auth_plugins[] = str_replace('auth.provider.', '', $key);
 		}
-		closedir($dp);
 
 		sort($auth_plugins);
 
@@ -1038,4 +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_captcha.php b/phpBB/includes/acp/acp_captcha.php
index c7c64ae56b..1a083c20ac 100644
--- a/phpBB/includes/acp/acp_captcha.php
+++ b/phpBB/includes/acp/acp_captcha.php
@@ -124,6 +124,8 @@ class acp_captcha
 					'CAPTCHA_PREVIEW_TPL'	=> $demo_captcha->get_demo_template($id),
 					'S_CAPTCHA_HAS_CONFIG'	=> $demo_captcha->has_config(),
 					'CAPTCHA_SELECT'		=> $captcha_select,
+
+					'U_ACTION'				=> $this->u_action,
 				));
 			}
 		}
diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index ebcbd28a87..5d191b3d0f 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -28,10 +28,6 @@ class acp_database
 		global $cache, $db, $user, $auth, $template, $table_prefix;
 		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
 
-		if (!class_exists('phpbb_db_tools'))
-		{
-			require($phpbb_root_path . 'includes/db/db_tools.' . $phpEx);
-		}
 		$this->db_tools = new phpbb_db_tools($db);
 
 		$user->add_lang('acp/database');
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index 7e8d5d8388..970b033995 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -283,7 +283,7 @@ class acp_forums
 
 				@set_time_limit(0);
 
-				$sql = 'SELECT forum_name, forum_topics_real
+				$sql = 'SELECT forum_name, (forum_topics_approved + forum_topics_unapproved + forum_topics_softdeleted) AS total_topics
 					FROM ' . FORUMS_TABLE . "
 					WHERE forum_id = $forum_id";
 				$result = $db->sql_query($sql);
@@ -295,7 +295,7 @@ class acp_forums
 					trigger_error($user->lang['NO_FORUM'] . adm_back_link($this->u_action . '&amp;parent_id=' . $this->parent_id), E_USER_WARNING);
 				}
 
-				if ($row['forum_topics_real'])
+				if ($row['total_topics'])
 				{
 					$sql = 'SELECT MIN(topic_id) as min_topic_id, MAX(topic_id) as max_topic_id
 						FROM ' . TOPICS_TABLE . '
@@ -314,7 +314,6 @@ class acp_forums
 					$end = $start + $batch_size;
 
 					// Sync all topics in batch mode...
-					sync('topic_approved', 'range', 'topic_id BETWEEN ' . $start . ' AND ' . $end, true, false);
 					sync('topic', 'range', 'topic_id BETWEEN ' . $start . ' AND ' . $end, true, true);
 
 					if ($end < $row2['max_topic_id'])
@@ -330,15 +329,15 @@ class acp_forums
 
 						$start += $batch_size;
 
-						$url = $this->u_action . "&amp;parent_id={$this->parent_id}&amp;f=$forum_id&amp;action=sync&amp;start=$start&amp;topics_done=$topics_done&amp;total={$row['forum_topics_real']}";
+						$url = $this->u_action . "&amp;parent_id={$this->parent_id}&amp;f=$forum_id&amp;action=sync&amp;start=$start&amp;topics_done=$topics_done&amp;total={$row['total_topics']}";
 
 						meta_refresh(0, $url);
 
 						$template->assign_vars(array(
-							'U_PROGRESS_BAR'		=> $this->u_action . "&amp;action=progress_bar&amp;start=$topics_done&amp;total={$row['forum_topics_real']}",
-							'UA_PROGRESS_BAR'		=> addslashes($this->u_action . "&amp;action=progress_bar&amp;start=$topics_done&amp;total={$row['forum_topics_real']}"),
+							'U_PROGRESS_BAR'		=> $this->u_action . "&amp;action=progress_bar&amp;start=$topics_done&amp;total={$row['total_topics']}",
+							'UA_PROGRESS_BAR'		=> addslashes($this->u_action . "&amp;action=progress_bar&amp;start=$topics_done&amp;total={$row['total_topics']}"),
 							'S_CONTINUE_SYNC'		=> true,
-							'L_PROGRESS_EXPLAIN'	=> sprintf($user->lang['SYNC_IN_PROGRESS_EXPLAIN'], $topics_done, $row['forum_topics_real']))
+							'L_PROGRESS_EXPLAIN'	=> sprintf($user->lang['SYNC_IN_PROGRESS_EXPLAIN'], $topics_done, $row['total_topics']))
 						);
 
 						return;
@@ -352,7 +351,7 @@ class acp_forums
 					'U_PROGRESS_BAR'		=> $this->u_action . '&amp;action=progress_bar',
 					'UA_PROGRESS_BAR'		=> addslashes($this->u_action . '&amp;action=progress_bar'),
 					'S_CONTINUE_SYNC'		=> true,
-					'L_PROGRESS_EXPLAIN'	=> sprintf($user->lang['SYNC_IN_PROGRESS_EXPLAIN'], 0, $row['forum_topics_real']))
+					'L_PROGRESS_EXPLAIN'	=> sprintf($user->lang['SYNC_IN_PROGRESS_EXPLAIN'], 0, $row['total_topics']))
 				);
 
 				return;
@@ -857,8 +856,8 @@ class acp_forums
 					'FORUM_IMAGE_SRC'	=> ($row['forum_image']) ? $phpbb_root_path . $row['forum_image'] : '',
 					'FORUM_NAME'		=> $row['forum_name'],
 					'FORUM_DESCRIPTION'	=> generate_text_for_display($row['forum_desc'], $row['forum_desc_uid'], $row['forum_desc_bitfield'], $row['forum_desc_options']),
-					'FORUM_TOPICS'		=> $row['forum_topics'],
-					'FORUM_POSTS'		=> $row['forum_posts'],
+					'FORUM_TOPICS'		=> $row['forum_topics_approved'],
+					'FORUM_POSTS'		=> $row['forum_posts_approved'],
 
 					'S_FORUM_LINK'		=> ($forum_type == FORUM_LINK) ? true : false,
 					'S_FORUM_POST'		=> ($forum_type == FORUM_POST) ? true : false,
@@ -1144,7 +1143,8 @@ class acp_forums
 					return array($user->lang['NO_FORUM_ACTION']);
 				}
 
-				$forum_data_sql['forum_posts'] = $forum_data_sql['forum_topics'] = $forum_data_sql['forum_topics_real'] = $forum_data_sql['forum_last_post_id'] = $forum_data_sql['forum_last_poster_id'] = $forum_data_sql['forum_last_post_time'] = 0;
+				$forum_data_sql['forum_posts_approved'] = $forum_data_sql['forum_posts_unapproved'] = $forum_data_sql['forum_posts_softdeleted'] = $forum_data_sql['forum_topics_approved'] = $forum_data_sql['forum_topics_unapproved'] = $forum_data_sql['forum_topics_softdeleted'] = 0;
+				$forum_data_sql['forum_last_post_id'] = $forum_data_sql['forum_last_poster_id'] = $forum_data_sql['forum_last_post_time'] = 0;
 				$forum_data_sql['forum_last_poster_name'] = $forum_data_sql['forum_last_poster_colour'] = '';
 			}
 			else if ($row['forum_type'] == FORUM_CAT && $forum_data_sql['forum_type'] == FORUM_LINK)
@@ -1264,9 +1264,12 @@ class acp_forums
 			else if ($row['forum_type'] == FORUM_CAT && $forum_data_sql['forum_type'] == FORUM_POST)
 			{
 				// Changing a category to a forum? Reset the data (you can't post directly in a cat, you must use a forum)
-				$forum_data_sql['forum_posts'] = 0;
-				$forum_data_sql['forum_topics'] = 0;
-				$forum_data_sql['forum_topics_real'] = 0;
+				$forum_data_sql['forum_posts_approved'] = 0;
+				$forum_data_sql['forum_posts_unapproved'] = 0;
+				$forum_data_sql['forum_posts_softdeleted'] = 0;
+				$forum_data_sql['forum_topics_approved'] = 0;
+				$forum_data_sql['forum_topics_unapproved'] = 0;
+				$forum_data_sql['forum_topics_softdeleted'] = 0;
 				$forum_data_sql['forum_last_post_id'] = 0;
 				$forum_data_sql['forum_last_post_subject'] = '';
 				$forum_data_sql['forum_last_post_time'] = 0;
@@ -1793,7 +1796,7 @@ class acp_forums
 			FROM ' . POSTS_TABLE . '
 			WHERE forum_id = ' . $forum_id . '
 				AND post_postcount = 1
-				AND post_approved = 1';
+				AND post_visibility = ' . ITEM_APPROVED;
 		$result = $db->sql_query($sql);
 
 		$post_counts = array();
@@ -1931,7 +1934,7 @@ class acp_forums
 		// Make sure the overall post/topic count is correct...
 		$sql = 'SELECT COUNT(post_id) AS stat
 			FROM ' . POSTS_TABLE . '
-			WHERE post_approved = 1';
+			WHERE post_visibility = ' . ITEM_APPROVED;
 		$result = $db->sql_query($sql);
 		$row = $db->sql_fetchrow($result);
 		$db->sql_freeresult($result);
@@ -1940,7 +1943,7 @@ class acp_forums
 
 		$sql = 'SELECT COUNT(topic_id) AS stat
 			FROM ' . TOPICS_TABLE . '
-			WHERE topic_approved = 1';
+			WHERE topic_visibility = ' . ITEM_APPROVED;
 		$result = $db->sql_query($sql);
 		$row = $db->sql_fetchrow($result);
 		$db->sql_freeresult($result);
diff --git a/phpBB/includes/acp/acp_groups.php b/phpBB/includes/acp/acp_groups.php
index c79699d465..e6a36c97a8 100644
--- a/phpBB/includes/acp/acp_groups.php
+++ b/phpBB/includes/acp/acp_groups.php
@@ -410,7 +410,7 @@ class acp_groups
 					if ($validation_error = validate_data($submit_ary, $validation_checks))
 					{
 						// Replace "error" string with its real, localised form
-						$error = array_merge($error, array_map(array(&$user, 'lang'), $validation_error));
+						$error = array_merge($error, $validation_error);
 					}
 
 					if (!sizeof($error))
@@ -507,6 +507,7 @@ class acp_groups
 
 					if (sizeof($error))
 					{
+						$error = array_map(array(&$user, 'lang'), $error);
 						$group_rank = $submit_ary['rank'];
 
 						$group_desc_data = array(
diff --git a/phpBB/includes/acp/acp_main.php b/phpBB/includes/acp/acp_main.php
index c44bc1b8a6..eecd8c72dc 100644
--- a/phpBB/includes/acp/acp_main.php
+++ b/phpBB/includes/acp/acp_main.php
@@ -63,9 +63,7 @@ class acp_main
 			if ($action === 'admlogout')
 			{
 				$user->unset_admin();
-				$redirect_url = append_sid("{$phpbb_root_path}index.$phpEx");
-				meta_refresh(3, $redirect_url);
-				trigger_error($user->lang['ADM_LOGGED_OUT'] . '<br /><br />' . sprintf($user->lang['RETURN_INDEX'], '<a href="' . $redirect_url . '">', '</a>'));
+				redirect(append_sid("{$phpbb_root_path}index.$phpEx"));
 			}
 
 			if (!confirm_box(true))
@@ -144,14 +142,14 @@ class acp_main
 
 						$sql = 'SELECT COUNT(post_id) AS stat
 							FROM ' . POSTS_TABLE . '
-							WHERE post_approved = 1';
+							WHERE post_visibility = ' . ITEM_APPROVED;
 						$result = $db->sql_query($sql);
 						set_config('num_posts', (int) $db->sql_fetchfield('stat'), true);
 						$db->sql_freeresult($result);
 
 						$sql = 'SELECT COUNT(topic_id) AS stat
 							FROM ' . TOPICS_TABLE . '
-							WHERE topic_approved = 1';
+							WHERE topic_visibility = ' . ITEM_APPROVED;
 						$result = $db->sql_query($sql);
 						set_config('num_topics', (int) $db->sql_fetchfield('stat'), true);
 						$db->sql_freeresult($result);
@@ -232,7 +230,7 @@ class acp_main
 							$sql = 'SELECT COUNT(post_id) AS num_posts, poster_id
 								FROM ' . POSTS_TABLE . '
 								WHERE post_id BETWEEN ' . ($start + 1) . ' AND ' . ($start + $step) . '
-									AND post_postcount = 1 AND post_approved = 1
+									AND post_postcount = 1 AND post_visibility = ' . ITEM_APPROVED . '
 								GROUP BY poster_id';
 							$result = $db->sql_query($sql);
 
@@ -430,7 +428,7 @@ class acp_main
 		{
 			$template->assign_vars(array(
 				'S_PHP_VERSION_OLD'	=> true,
-				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], '<a href="http://www.phpbb.com/community/viewtopic.php?f=14&amp;t=2152375">', '</a>'),
+				'L_PHP_VERSION_OLD'	=> sprintf($user->lang['PHP_VERSION_OLD'], '<a href="https://www.phpbb.com/community/viewtopic.php?f=14&amp;t=2152375">', '</a>'),
 			));
 		}
 
diff --git a/phpBB/includes/acp/acp_modules.php b/phpBB/includes/acp/acp_modules.php
index ab416fb406..7a1d30196d 100644
--- a/phpBB/includes/acp/acp_modules.php
+++ b/phpBB/includes/acp/acp_modules.php
@@ -379,6 +379,7 @@ class acp_modules
 				$json_response->send(array(
 					'MESSAGE_TITLE'	=> $user->lang('ERROR'),
 					'MESSAGE_TEXT'	=> implode('<br />', $errors),
+					'SUCCESS'	=> false,
 				));
 			}
 
@@ -575,13 +576,20 @@ class acp_modules
 			// format. phpbb_acp_info_acp_foo needs to be turned into
 			// acp_foo_info and the respective file has to be included
 			// manually because it does not support auto loading
-			if (!class_exists($info_class))
+			$old_info_class_file = str_replace("phpbb_{$module_class}_info_", '', $cur_module);
+			$old_info_class = $old_info_class_file . '_info';
+
+			if (class_exists($old_info_class))
+			{
+				$info_class = $old_info_class;
+			}
+			else if (!class_exists($info_class))
 			{
-				$info_class_file = str_replace("phpbb_{$module_class}_info_", '', $cur_module);
-				$info_class = $info_class_file . '_info';
-				if (!class_exists($info_class) && file_exists($directory . $info_class_file . '.' . $phpEx))
+				$info_class = $old_info_class;
+				// need to check class exists again because previous checks triggered autoloading
+				if (!class_exists($info_class) && file_exists($directory . $old_info_class_file . '.' . $phpEx))
 				{
-					include($directory . $info_class_file . '.' . $phpEx);
+					include($directory . $old_info_class_file . '.' . $phpEx);
 				}
 			}
 
diff --git a/phpBB/includes/acp/acp_permission_roles.php b/phpBB/includes/acp/acp_permission_roles.php
index 004187af84..17e48d6576 100644
--- a/phpBB/includes/acp/acp_permission_roles.php
+++ b/phpBB/includes/acp/acp_permission_roles.php
@@ -21,16 +21,17 @@ if (!defined('IN_PHPBB'))
 class acp_permission_roles
 {
 	var $u_action;
+	protected $auth_admin;
 
 	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);
 
-		$auth_admin = new auth_admin();
+		$this->auth_admin = new auth_admin();
 
 		$user->add_lang('acp/permissions');
 		add_permission_language();
@@ -210,7 +211,7 @@ class acp_permission_roles
 					}
 
 					// Now add the auth settings
-					$auth_admin->acl_set_role($role_id, $auth_settings);
+					$this->auth_admin->acl_set_role($role_id, $auth_settings);
 
 					$role_name = (!empty($user->lang[$role_name])) ? $user->lang[$role_name] : $role_name;
 					add_log('admin', 'LOG_' . strtoupper($permission_type) . 'ROLE_' . strtoupper($action), $role_name);
@@ -305,6 +306,8 @@ class acp_permission_roles
 					trigger_error($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,
 
@@ -313,9 +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 ;)
 				$sql = 'SELECT auth_option_id, auth_option
@@ -343,7 +345,7 @@ class acp_permission_roles
 				// Get users/groups/forums using this preset...
 				if ($action == 'edit')
 				{
-					$hold_ary = $auth_admin->get_role_mask($role_id);
+					$hold_ary = $this->auth_admin->get_role_mask($role_id);
 
 					if (sizeof($hold_ary))
 					{
@@ -354,7 +356,7 @@ class acp_permission_roles
 							'L_ROLE_ASSIGNED_TO'	=> sprintf($user->lang['ROLE_ASSIGNED_TO'], $role_name))
 						);
 
-						$auth_admin->display_role_mask($hold_ary);
+						$this->auth_admin->display_role_mask($hold_ary);
 					}
 				}
 
@@ -445,8 +447,8 @@ class acp_permission_roles
 				'S_DISPLAY_ROLE_MASK'	=> true)
 			);
 
-			$hold_ary = $auth_admin->get_role_mask($display_item);
-			$auth_admin->display_role_mask($hold_ary);
+			$hold_ary = $this->auth_admin->get_role_mask($display_item);
+			$this->auth_admin->display_role_mask($hold_ary);
 		}
 	}
 
@@ -455,14 +457,16 @@ 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);
 		$auth_options = array(0 => $auth_options);
 
 		// Making use of auth_admin method here (we do not really want to change two similar code fragments)
-		auth_admin::build_permission_array($auth_options, $content_array, $categories, $key_sort_array);
+		$this->auth_admin->build_permission_array($auth_options, $content_array, $categories, $key_sort_array);
 
 		$content_array = $content_array[0];
 
@@ -472,7 +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,
@@ -487,8 +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),
+				));
 			}
 		}
 	}
@@ -500,8 +504,6 @@ class acp_permission_roles
 	{
 		global $db;
 
-		$auth_admin = new auth_admin();
-
 		// Get complete auth array
 		$sql = 'SELECT auth_option, auth_option_id
 			FROM ' . ACL_OPTIONS_TABLE . "
@@ -529,19 +531,19 @@ class acp_permission_roles
 		$db->sql_freeresult($result);
 
 		// Get role assignments
-		$hold_ary = $auth_admin->get_role_mask($role_id);
+		$hold_ary = $this->auth_admin->get_role_mask($role_id);
 
 		// Re-assign permissions
 		foreach ($hold_ary as $forum_id => $forum_ary)
 		{
 			if (isset($forum_ary['users']))
 			{
-				$auth_admin->acl_set('user', $forum_id, $forum_ary['users'], $auth_settings, 0, false);
+				$this->auth_admin->acl_set('user', $forum_id, $forum_ary['users'], $auth_settings, 0, false);
 			}
 
 			if (isset($forum_ary['groups']))
 			{
-				$auth_admin->acl_set('group', $forum_id, $forum_ary['groups'], $auth_settings, 0, false);
+				$this->auth_admin->acl_set('group', $forum_id, $forum_ary['groups'], $auth_settings, 0, false);
 			}
 		}
 
@@ -563,6 +565,6 @@ class acp_permission_roles
 			WHERE role_id = ' . $role_id;
 		$db->sql_query($sql);
 
-		$auth_admin->acl_clear_prefetch();
+		$this->auth_admin->acl_clear_prefetch();
 	}
 }
diff --git a/phpBB/includes/acp/acp_permissions.php b/phpBB/includes/acp/acp_permissions.php
index a64765f4f5..ed7159996a 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>';
 		}
 
@@ -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,
 
diff --git a/phpBB/includes/acp/acp_search.php b/phpBB/includes/acp/acp_search.php
index 6618e2c3f9..11a2511aee 100644
--- a/phpBB/includes/acp/acp_search.php
+++ b/phpBB/includes/acp/acp_search.php
@@ -560,7 +560,7 @@ class acp_search
 		return $finder
 			->extension_suffix('_backend')
 			->extension_directory('/search')
-			->core_path('includes/search/')
+			->core_path('phpbb/search/')
 			->get_classes();
 	}
 
diff --git a/phpBB/includes/acp/acp_send_statistics.php b/phpBB/includes/acp/acp_send_statistics.php
index 4421fbef18..39140b8da4 100644
--- a/phpBB/includes/acp/acp_send_statistics.php
+++ b/phpBB/includes/acp/acp_send_statistics.php
@@ -28,7 +28,7 @@ class acp_send_statistics
 
 		include($phpbb_root_path . 'includes/questionnaire/questionnaire.' . $phpEx);
 
-		$collect_url = "http://www.phpbb.com/stats/receive_stats.php";
+		$collect_url = "https://www.phpbb.com/stats/receive_stats.php";
 
 		$this->tpl_name = 'acp_send_statistics';
 		$this->page_title = 'ACP_SEND_STATISTICS';
diff --git a/phpBB/includes/acp/acp_users.php b/phpBB/includes/acp/acp_users.php
index c8542ddbe7..cbfd578d87 100644
--- a/phpBB/includes/acp/acp_users.php
+++ b/phpBB/includes/acp/acp_users.php
@@ -624,29 +624,31 @@ class acp_users
 							$topic_id_ary = $move_topic_ary = $move_post_ary = $new_topic_id_ary = array();
 							$forum_id_ary = array($new_forum_id);
 
-							$sql = 'SELECT topic_id, COUNT(post_id) AS total_posts
+							$sql = 'SELECT topic_id, post_visibility, COUNT(post_id) AS total_posts
 								FROM ' . POSTS_TABLE . "
 								WHERE poster_id = $user_id
 									AND forum_id <> $new_forum_id
-								GROUP BY topic_id";
+								GROUP BY topic_id, post_visibility";
 							$result = $db->sql_query($sql);
 
 							while ($row = $db->sql_fetchrow($result))
 							{
-								$topic_id_ary[$row['topic_id']] = $row['total_posts'];
+								$topic_id_ary[$row['topic_id']][$row['post_visibility']] = $row['total_posts'];
 							}
 							$db->sql_freeresult($result);
 
 							if (sizeof($topic_id_ary))
 							{
-								$sql = 'SELECT topic_id, forum_id, topic_title, topic_replies, topic_replies_real, topic_attachment
+								$sql = 'SELECT topic_id, forum_id, topic_title, topic_posts_approved, topic_posts_unapproved, topic_posts_softdeleted, topic_attachment
 									FROM ' . TOPICS_TABLE . '
 									WHERE ' . $db->sql_in_set('topic_id', array_keys($topic_id_ary));
 								$result = $db->sql_query($sql);
 
 								while ($row = $db->sql_fetchrow($result))
 								{
-									if (max($row['topic_replies'], $row['topic_replies_real']) + 1 == $topic_id_ary[$row['topic_id']])
+									if ($topic_id_ary[$row['topic_id']][ITEM_APPROVED] == $row['topic_posts_approved']
+									 && $topic_id_ary[$row['topic_id']][ITEM_UNAPPROVED] == $row['topic_posts_unapproved']
+									 && $topic_id_ary[$row['topic_id']][ITEM_DELETED] == $row['topic_posts_softdeleted'])
 									{
 										$move_topic_ary[] = $row['topic_id'];
 									}
@@ -679,7 +681,7 @@ class acp_users
 										'topic_time'				=> time(),
 										'forum_id' 					=> $new_forum_id,
 										'icon_id'					=> 0,
-										'topic_approved'			=> 1,
+										'topic_visibility'			=> ITEM_APPROVED,
 										'topic_title' 				=> $post_ary['title'],
 										'topic_first_poster_name'	=> $user_row['username'],
 										'topic_type'				=> POST_NORMAL,
@@ -1036,7 +1038,7 @@ class acp_users
 				$sql = 'SELECT COUNT(post_id) as posts_in_queue
 					FROM ' . POSTS_TABLE . '
 					WHERE poster_id = ' . $user_id . '
-						AND post_approved = 0';
+						AND post_visibility = ' . ITEM_UNAPPROVED;
 				$result = $db->sql_query($sql);
 				$user_row['posts_in_queue'] = (int) $db->sql_fetchfield('posts_in_queue');
 				$db->sql_freeresult($result);
diff --git a/phpBB/includes/acp/auth.php b/phpBB/includes/acp/auth.php
index 6b1da46a12..4ade9cab13 100644
--- a/phpBB/includes/acp/auth.php
+++ b/phpBB/includes/acp/auth.php
@@ -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