17 files changed, 552 insertions, 105 deletions
diff --git a/phpBB/phpbb/cron/manager.php b/phpBB/phpbb/cron/manager.php
index b6af07aff7..079ce8107e 100644
--- a/phpBB/phpbb/cron/manager.php
+++ b/phpBB/phpbb/cron/manager.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -13,8 +17,6 @@ namespace phpbb\cron;
 * Cron manager class.
 *
 * Finds installed cron tasks, stores task objects, provides task selection.
-*
-* @package phpBB3
 */
 class manager
 {
@@ -32,7 +34,9 @@ class manager
 	/**
 	* Constructor. Loads all available tasks.
 	*
-	* @param array|Traversable $tasks Provides an iterable set of task names
+	* @param array|\Traversable $tasks Provides an iterable set of task names
+	* @param string $phpbb_root_path Relative path to phpBB root
+	* @param string $php_ext PHP file extension
 	*/
 	public function __construct($tasks, $phpbb_root_path, $php_ext)
 	{
@@ -46,7 +50,7 @@ class manager
 	* Loads tasks given by name, wraps them
 	* and puts them into $this->tasks.
 	*
-	* @param array|Traversable $tasks		Array of instances of \phpbb\cron\task\task
+	* @param array|\Traversable $tasks		Array of instances of \phpbb\cron\task\task
 	*
 	* @return null
 	*/
@@ -69,6 +73,7 @@ class manager
 	*/
 	public function find_one_ready_task()
 	{
+		shuffle($this->tasks);
 		foreach ($this->tasks as $task)
 		{
 			if ($task->is_ready())
@@ -120,6 +125,16 @@ class manager
 	}
 
 	/**
+	* Find all tasks and return them.
+	*
+	* @return array List of all tasks.
+	*/
+	public function get_tasks()
+	{
+		return $this->tasks;
+	}
+
+	/**
 	* Wraps a task inside an instance of \phpbb\cron\task\wrapper.
 	*
 	* @param  \phpbb\cron\task\task 			$task The task.
diff --git a/phpBB/phpbb/cron/task/base.php b/phpBB/phpbb/cron/task/base.php
index 63f0407bcd..57c9912d31 100644
--- a/phpBB/phpbb/cron/task/base.php
+++ b/phpBB/phpbb/cron/task/base.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -17,8 +21,6 @@ namespace phpbb\cron\task;
 *
 * Cron tasks need not inherit from this base class. If desired,
 * they may implement cron task interface directly.
-*
-* @package phpBB3
 */
 abstract class base implements \phpbb\cron\task\task
 {
diff --git a/phpBB/phpbb/cron/task/core/prune_all_forums.php b/phpBB/phpbb/cron/task/core/prune_all_forums.php
index 90b9a5914b..b47939ccbe 100644
--- a/phpBB/phpbb/cron/task/core/prune_all_forums.php
+++ b/phpBB/phpbb/cron/task/core/prune_all_forums.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -15,8 +19,6 @@ namespace phpbb\cron\task\core;
 * It is intended to be invoked from system cron.
 * This task will find all forums for which pruning is enabled, and will
 * prune all forums as necessary.
-*
-* @package phpBB3
 */
 class prune_all_forums extends \phpbb\cron\task\base
 {
@@ -29,11 +31,11 @@ class prune_all_forums extends \phpbb\cron\task\base
 	* Constructor.
 	*
 	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
+	* @param string $php_ext The PHP file extension
 	* @param \phpbb\config\config $config The config
-	* @param \phpbb\db\driver\driver $db The db connection
+	* @param \phpbb\db\driver\driver_interface $db The db connection
 	*/
-	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver $db)
+	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db)
 	{
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
diff --git a/phpBB/phpbb/cron/task/core/prune_forum.php b/phpBB/phpbb/cron/task/core/prune_forum.php
index e0d8b067c5..abf91aee19 100644
--- a/phpBB/phpbb/cron/task/core/prune_forum.php
+++ b/phpBB/phpbb/cron/task/core/prune_forum.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -15,8 +19,6 @@ namespace phpbb\cron\task\core;
 * It is intended to be used when cron is invoked via web.
 * This task can decide whether it should be run using data obtained by viewforum
 * code, without making additional database queries.
-*
-* @package phpBB3
 */
 class prune_forum extends \phpbb\cron\task\base implements \phpbb\cron\task\parametrized
 {
@@ -29,7 +31,7 @@ class prune_forum extends \phpbb\cron\task\base implements \phpbb\cron\task\para
 	* If $forum_data is given, it is assumed to contain necessary information
 	* about a single forum that is to be pruned.
 	*
-	* If $forum_data is not given, forum id will be retrieved via request_var
+	* If $forum_data is not given, forum id will be retrieved via $request->variable()
 	* and a database query will be performed to load the necessary information
 	* about the forum.
 	*/
@@ -39,11 +41,11 @@ class prune_forum extends \phpbb\cron\task\base implements \phpbb\cron\task\para
 	* Constructor.
 	*
 	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
+	* @param string $php_ext PHP file extension
 	* @param \phpbb\config\config $config The config
-	* @param \phpbb\db\driver\driver $db The db connection
+	* @param \phpbb\db\driver\driver_interface $db The db connection
 	*/
-	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver $db)
+	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db)
 	{
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
diff --git a/phpBB/phpbb/cron/task/core/prune_notifications.php b/phpBB/phpbb/cron/task/core/prune_notifications.php
index 9f67c54e1c..ffa7e17970 100644
--- a/phpBB/phpbb/cron/task/core/prune_notifications.php
+++ b/phpBB/phpbb/cron/task/core/prune_notifications.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2013 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Prune notifications cron task.
-*
-* @package phpBB3
 */
 class prune_notifications extends \phpbb\cron\task\base
 {
diff --git a/phpBB/phpbb/cron/task/core/prune_shadow_topics.php b/phpBB/phpbb/cron/task/core/prune_shadow_topics.php
new file mode 100644
index 0000000000..0ab59f9ed5
--- /dev/null
+++ b/phpBB/phpbb/cron/task/core/prune_shadow_topics.php
@@ -0,0 +1,200 @@
+<?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\cron\task\core;
+
+/**
+* Prune one forum of its shadow topics cron task.
+*
+* It is intended to be used when cron is invoked via web.
+* This task can decide whether it should be run using data obtained by viewforum
+* code, without making additional database queries.
+*/
+class prune_shadow_topics extends \phpbb\cron\task\base implements \phpbb\cron\task\parametrized
+{
+	protected $phpbb_root_path;
+	protected $php_ext;
+	protected $config;
+	protected $db;
+	protected $log;
+	protected $user;
+
+	/**
+	* If $forum_data is given, it is assumed to contain necessary information
+	* about a single forum that is to be pruned.
+	*
+	* If $forum_data is not given, forum id will be retrieved via $request->variable()
+	* and a database query will be performed to load the necessary information
+	* about the forum.
+	*/
+	protected $forum_data;
+
+	/**
+	* Constructor.
+	*
+	* @param string $phpbb_root_path The root path
+	* @param string $php_ext PHP file extension
+	* @param \phpbb\config\config $config The config
+	* @param \phpbb\db\driver\driver_interface $db The db connection
+	* @param \phpbb\log\log $log The phpBB log system
+	* @param \phpbb\user $user The phpBB user object
+	*/
+	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db, \phpbb\log\log $log, \phpbb\user $user)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+		$this->config = $config;
+		$this->db = $db;
+		$this->log = $log;
+		$this->user = $user;
+	}
+
+	/**
+	* Manually set forum data.
+	*
+	* @param array $forum_data Information about a forum to be pruned.
+	*/
+	public function set_forum_data($forum_data)
+	{
+		$this->forum_data = $forum_data;
+	}
+
+	/**
+	* Runs this cron task.
+	*
+	* @return null
+	*/
+	public function run()
+	{
+		if (!function_exists('auto_prune'))
+		{
+			include($this->phpbb_root_path . 'includes/functions_admin.' . $this->php_ext);
+		}
+
+		if ($this->forum_data['prune_shadow_days'])
+		{
+			$this->auto_prune_shadow_topics($this->forum_data['forum_id'], 'shadow', $this->forum_data['forum_flags'], $this->forum_data['prune_shadow_days'], $this->forum_data['prune_shadow_freq']);
+		}
+	}
+
+	/**
+	* Returns whether this cron task can run, given current board configuration.
+	*
+	* This cron task will not run when system cron is utilised, as in
+	* such cases prune_all_forums task would run instead.
+	*
+	* Additionally, this task must be given the forum data, either via
+	* the constructor or parse_parameters method.
+	*
+	* @return bool
+	*/
+	public function is_runnable()
+	{
+		return !$this->config['use_system_cron'] && $this->forum_data;
+	}
+
+	/**
+	* Returns whether this cron task should run now, because enough time
+	* has passed since it was last run.
+	*
+	* Forum pruning interval is specified in the forum data.
+	*
+	* @return bool
+	*/
+	public function should_run()
+	{
+		return $this->forum_data['enable_shadow_prune'] && $this->forum_data['prune_shadow_next'] < time();
+	}
+
+	/**
+	* Returns parameters of this cron task as an array.
+	* The array has one key, f, whose value is id of the forum to be pruned.
+	*
+	* @return array
+	*/
+	public function get_parameters()
+	{
+		return array('f' => $this->forum_data['forum_id']);
+	}
+
+	/**
+	* Parses parameters found in $request, which is an instance of
+	* \phpbb\request\request_interface.
+	*
+	* It is expected to have a key f whose value is id of the forum to be pruned.
+	*
+	* @param \phpbb\request\request_interface $request Request object.
+	*
+	* @return null
+	*/
+	public function parse_parameters(\phpbb\request\request_interface $request)
+	{
+		$this->forum_data = null;
+		if ($request->is_set('f'))
+		{
+			$forum_id = $request->variable('f', 0);
+
+			$sql = 'SELECT forum_id, prune_shadow_next, enable_shadow_prune, prune_shadow_days, forum_flags, prune_shadow_freq
+				FROM ' . FORUMS_TABLE . "
+				WHERE forum_id = $forum_id";
+			$result = $this->db->sql_query($sql);
+			$row = $this->db->sql_fetchrow($result);
+			$this->db->sql_freeresult($result);
+
+			if ($row)
+			{
+				$this->forum_data = $row;
+			}
+		}
+	}
+
+	/**
+	* Automatically prune shadow topics
+	* Based on fuunction auto_prune()
+	* @param int $forum_id Forum ID of forum that should be pruned
+	* @param string $prune_mode Prune mode
+	* @param int $prune_flags Prune flags
+	* @param int $prune_days Prune date in days
+	* @param int $prune_freq Prune frequency
+	* @return null
+	*/
+	protected function auto_prune_shadow_topics($forum_id, $prune_mode, $prune_flags, $prune_days, $prune_freq)
+	{
+		$sql = 'SELECT forum_name
+			FROM ' . FORUMS_TABLE . "
+			WHERE forum_id = $forum_id";
+		$result = $this->db->sql_query($sql, 3600);
+		$row = $this->db->sql_fetchrow($result);
+		$this->db->sql_freeresult($result);
+
+		if ($row)
+		{
+			$prune_date = time() - ($prune_days * 86400);
+			$next_prune = time() + ($prune_freq * 86400);
+
+			prune($forum_id, $prune_mode, $prune_date, $prune_flags, true);
+
+			$sql = 'UPDATE ' . FORUMS_TABLE . "
+				SET prune_shadow_next = $next_prune
+				WHERE forum_id = $forum_id";
+			$this->db->sql_query($sql);
+
+			$user_id = (empty($this->user->data)) ? ANONYMOUS : $this->user->data['user_id'];
+			$user_ip = (empty($this->user->ip)) ? '' : $this->user->ip;
+
+			$this->log->add('admin', $user_id, $user_ip, 'LOG_PRUNE_SHADOW', false, array($row['forum_name']));
+		}
+
+		return;
+	}
+}
diff --git a/phpBB/phpbb/cron/task/core/queue.php b/phpBB/phpbb/cron/task/core/queue.php
index cd799b8024..a9345a44df 100644
--- a/phpBB/phpbb/cron/task/core/queue.php
+++ b/phpBB/phpbb/cron/task/core/queue.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Queue cron task. Sends email and jabber messages queued by other scripts.
-*
-* @package phpBB3
 */
 class queue extends \phpbb\cron\task\base
 {
@@ -24,7 +26,7 @@ class queue extends \phpbb\cron\task\base
 	* Constructor.
 	*
 	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
+	* @param string $php_ext PHP file extension
 	* @param \phpbb\config\config $config The config
 	*/
 	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config)
@@ -71,6 +73,6 @@ class queue extends \phpbb\cron\task\base
 	*/
 	public function should_run()
 	{
-		return $this->config['last_queue_run'] < time() - $this->config['queue_interval_config'];
+		return $this->config['last_queue_run'] < time() - $this->config['queue_interval'];
 	}
 }
diff --git a/phpBB/phpbb/cron/task/core/tidy_cache.php b/phpBB/phpbb/cron/task/core/tidy_cache.php
index a94a85db53..506a245f0f 100644
--- a/phpBB/phpbb/cron/task/core/tidy_cache.php
+++ b/phpBB/phpbb/cron/task/core/tidy_cache.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Tidy cache cron task.
-*
-* @package phpBB3
 */
 class tidy_cache extends \phpbb\cron\task\base
 {
diff --git a/phpBB/phpbb/cron/task/core/tidy_database.php b/phpBB/phpbb/cron/task/core/tidy_database.php
index f712a5047c..949bba8012 100644
--- a/phpBB/phpbb/cron/task/core/tidy_database.php
+++ b/phpBB/phpbb/cron/task/core/tidy_database.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Tidy database cron task.
-*
-* @package phpBB3
 */
 class tidy_database extends \phpbb\cron\task\base
 {
@@ -24,7 +26,7 @@ class tidy_database extends \phpbb\cron\task\base
 	* Constructor.
 	*
 	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
+	* @param string $php_ext The PHP file extension
 	* @param \phpbb\config\config $config The config
 	*/
 	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config)
diff --git a/phpBB/phpbb/cron/task/core/tidy_plupload.php b/phpBB/phpbb/cron/task/core/tidy_plupload.php
index 5a98e0bd7b..d7364374af 100644
--- a/phpBB/phpbb/cron/task/core/tidy_plupload.php
+++ b/phpBB/phpbb/cron/task/core/tidy_plupload.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2013 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Cron task for cleaning plupload's temporary upload directory.
-*
-* @package phpBB3
 */
 class tidy_plupload extends \phpbb\cron\task\base
 {
@@ -65,6 +67,8 @@ class tidy_plupload extends \phpbb\cron\task\base
 	*/
 	public function run()
 	{
+		global $user, $phpbb_log;
+
 		// Remove old temporary file (perhaps failed uploads?)
 		$last_valid_timestamp = time() - $this->max_file_age;
 		try
@@ -86,13 +90,11 @@ class tidy_plupload extends \phpbb\cron\task\base
 		}
 		catch (\UnexpectedValueException $e)
 		{
-			add_log(
-				'critical',
-				'LOG_PLUPLOAD_TIDY_FAILED',
+			$phpbb_log->add('critical', $user->data['user_id'], $user->ip, 'LOG_PLUPLOAD_TIDY_FAILED', false, array(
 				$this->plupload_upload_path,
 				$e->getMessage(),
 				$e->getTraceAsString()
-			);
+			));
 		}
 
 		$this->config->set('plupload_last_gc', time(), true);
diff --git a/phpBB/phpbb/cron/task/core/tidy_search.php b/phpBB/phpbb/cron/task/core/tidy_search.php
index 42f7df308f..eb3970254f 100644
--- a/phpBB/phpbb/cron/task/core/tidy_search.php
+++ b/phpBB/phpbb/cron/task/core/tidy_search.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -13,29 +17,63 @@ namespace phpbb\cron\task\core;
 * Tidy search cron task.
 *
 * Will only run when the currently selected search backend supports tidying.
-*
-* @package phpBB3
 */
 class tidy_search extends \phpbb\cron\task\base
 {
+	/**
+	* phpBB root path
+	* @var string
+	*/
 	protected $phpbb_root_path;
+
+	/**
+	* PHP file extension
+	* @var string
+	*/
 	protected $php_ext;
+
+	/**
+	* Auth object
+	* @var \phpbb\auth\auth
+	*/
 	protected $auth;
+
+	/**
+	* Config object
+	* @var \phpbb\config\config
+	*/
 	protected $config;
+
+	/**
+	* Database object
+	* @var \phpbb\db\driver\driver_interface
+	*/
 	protected $db;
+
+	/**
+	* User object
+	* @var \phpbb\user
+	*/
 	protected $user;
 
 	/**
+	* Event dispatcher object
+	* @var \phpbb\event\dispatcher_interface
+	*/
+	protected $phpbb_dispatcher;
+
+	/**
 	* Constructor.
 	*
-	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
-	* @param \phpbb\auth\auth $auth The auth
-	* @param \phpbb\config\config $config The config
-	* @param \phpbb\db\driver\driver $db The db connection
-	* @param \phpbb\user $user The user
+	* @param string $phpbb_root_path The phpBB root path
+	* @param string $php_ext The PHP file extension
+	* @param \phpbb\auth\auth $auth The auth object
+	* @param \phpbb\config\config $config The config object
+	* @param \phpbb\db\driver\driver_interface $db The database object
+	* @param \phpbb\user $user The user object
+	* @param \phpbb\event\dispatcher_interface $phpbb_dispatcher The event dispatcher object
 	*/
-	public function __construct($phpbb_root_path, $php_ext, \phpbb\auth\auth $auth, \phpbb\config\config $config, \phpbb\db\driver\driver $db, \phpbb\user $user)
+	public function __construct($phpbb_root_path, $php_ext, \phpbb\auth\auth $auth, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db, \phpbb\user $user, \phpbb\event\dispatcher_interface $phpbb_dispatcher)
 	{
 		$this->phpbb_root_path = $phpbb_root_path;
 		$this->php_ext = $php_ext;
@@ -43,6 +81,7 @@ class tidy_search extends \phpbb\cron\task\base
 		$this->config = $config;
 		$this->db = $db;
 		$this->user = $user;
+		$this->phpbb_dispatcher = $phpbb_dispatcher;
 	}
 
 	/**
@@ -52,12 +91,11 @@ class tidy_search extends \phpbb\cron\task\base
 	*/
 	public function run()
 	{
-		// Select the search method
-		$search_type = basename($this->config['search_type']);
+		$search_type = $this->config['search_type'];
 
 		// We do some additional checks in the module to ensure it can actually be utilised
 		$error = false;
-		$search = new $search_type($error, $this->phpbb_root_path, $this->php_ext, $this->auth, $this->config, $this->db, $this->user);
+		$search = new $search_type($error, $this->phpbb_root_path, $this->php_ext, $this->auth, $this->config, $this->db, $this->user, $this->phpbb_dispatcher);
 
 		if (!$error)
 		{
@@ -76,10 +114,7 @@ class tidy_search extends \phpbb\cron\task\base
 	*/
 	public function is_runnable()
 	{
-		// Select the search method
-		$search_type = basename($this->config['search_type']);
-
-		return class_exists($search_type);
+		return class_exists($this->config['search_type']);
 	}
 
 	/**
diff --git a/phpBB/phpbb/cron/task/core/tidy_sessions.php b/phpBB/phpbb/cron/task/core/tidy_sessions.php
index 68094af1f7..5e6dabdabf 100644
--- a/phpBB/phpbb/cron/task/core/tidy_sessions.php
+++ b/phpBB/phpbb/cron/task/core/tidy_sessions.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,8 +15,6 @@ namespace phpbb\cron\task\core;
 
 /**
 * Tidy sessions cron task.
-*
-* @package phpBB3
 */
 class tidy_sessions extends \phpbb\cron\task\base
 {
diff --git a/phpBB/phpbb/cron/task/core/tidy_warnings.php b/phpBB/phpbb/cron/task/core/tidy_warnings.php
index a0ff23fc57..7b67eae6ef 100644
--- a/phpBB/phpbb/cron/task/core/tidy_warnings.php
+++ b/phpBB/phpbb/cron/task/core/tidy_warnings.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -13,8 +17,6 @@ namespace phpbb\cron\task\core;
 * Tidy warnings cron task.
 *
 * Will only run when warnings are configured to expire.
-*
-* @package phpBB3
 */
 class tidy_warnings extends \phpbb\cron\task\base
 {
@@ -26,7 +28,7 @@ class tidy_warnings extends \phpbb\cron\task\base
 	* Constructor.
 	*
 	* @param string $phpbb_root_path The root path
-	* @param string $php_ext The PHP extension
+	* @param string $php_ext PHP file extension
 	* @param \phpbb\config\config $config The config
 	*/
 	public function __construct($phpbb_root_path, $php_ext, \phpbb\config\config $config)
diff --git a/phpBB/phpbb/cron/task/parametrized.php b/phpBB/phpbb/cron/task/parametrized.php
index 1aeead0399..7e190b9b86 100644
--- a/phpBB/phpbb/cron/task/parametrized.php
+++ b/phpBB/phpbb/cron/task/parametrized.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -17,8 +21,6 @@ namespace phpbb\cron\task;
 * parametrized cron tasks perform actions on a particular object (or objects).
 * Parametrized cron tasks do not make sense and are not usable without
 * specifying these objects.
-*
-* @package phpBB3
 */
 interface parametrized extends \phpbb\cron\task\task
 {
diff --git a/phpBB/phpbb/cron/task/task.php b/phpBB/phpbb/cron/task/task.php
index 3ce3de9598..6d5a383d2d 100644
--- a/phpBB/phpbb/cron/task/task.php
+++ b/phpBB/phpbb/cron/task/task.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -11,7 +15,6 @@ namespace phpbb\cron\task;
 
 /**
 * Cron task interface
-* @package phpBB3
 */
 interface task
 {
diff --git a/phpBB/phpbb/cron/task/text_reparser/reparser.php b/phpBB/phpbb/cron/task/text_reparser/reparser.php
new file mode 100644
index 0000000000..aa644de827
--- /dev/null
+++ b/phpBB/phpbb/cron/task/text_reparser/reparser.php
@@ -0,0 +1,168 @@
+<?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\cron\task\text_reparser;
+
+/**
+ * Reparse text cron task
+ */
+class reparser extends \phpbb\cron\task\base
+{
+	const MIN = 1;
+	const SIZE = 100;
+
+	/**
+	 * @var \phpbb\config\config
+	 */
+	protected $config;
+
+	/**
+	 * @var \phpbb\config\db_text
+	 */
+	protected $config_text;
+
+	/**
+	 * @var \phpbb\lock\db
+	 */
+	protected $reparse_lock;
+
+	/**
+	 * @var \phpbb\textreparser\manager
+	 */
+	protected $reparser_manager;
+
+	/**
+	 * @var string
+	 */
+	protected $reparser_name;
+
+	/**
+	 * @var \phpbb\di\service_collection
+	 */
+	protected $reparsers;
+
+	/**
+	 * @var array
+	 */
+	protected $resume_data;
+
+	/**
+	 * Constructor
+	 *
+	 * @param \phpbb\config\config			$config
+	 * @param \phpbb\config\db_text			$config_text
+	 * @param \phpbb\lock\db				$reparse_lock
+	 * @param \phpbb\textreparser\manager	$reparser_manager
+	 * @param \phpbb\di\service_collection	$reparsers
+	 */
+	public function __construct(\phpbb\config\config $config, \phpbb\config\db_text $config_text, \phpbb\lock\db $reparse_lock, \phpbb\textreparser\manager $reparser_manager, \phpbb\di\service_collection $reparsers)
+	{
+		$this->config = $config;
+		$this->config_text = $config_text;
+		$this->reparse_lock = $reparse_lock;
+		$this->reparser_manager = $reparser_manager;
+		$this->reparsers = $reparsers;
+	}
+
+	/**
+	 * Sets the reparser for this cron task
+	 *
+	 * @param string	$reparser
+	 */
+	public function set_reparser($reparser)
+	{
+		$this->reparser_name = (!isset($this->reparsers[$reparser]) ? 'text_reparser.' : '') . $reparser;
+
+		if ($this->resume_data === null)
+		{
+			$this->reparser_manager->get_resume_data($this->reparser_name);
+		}
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function is_runnable()
+	{
+		if ($this->resume_data === null)
+		{
+			$this->reparser_manager->get_resume_data($this->reparser_name);
+		}
+
+		if (empty($this->resume_data['range-max']) || $this->resume_data['range-max'] >= $this->resume_data['range-min'])
+		{
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function should_run()
+	{
+		if (!empty($this->config['reparse_lock']))
+		{
+			$last_run = explode(' ', $this->config['reparse_lock']);
+
+			if ($last_run[0] + 3600 >= time())
+			{
+				return false;
+			}
+		}
+
+		if ($this->config[$this->reparser_name . '_cron_interval'])
+		{
+			return $this->config[$this->reparser_name . '_last_cron'] < time() - $this->config[$this->reparser_name . '_cron_interval'];
+		}
+
+		return false;
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function run()
+	{
+		if ($this->reparse_lock->acquire())
+		{
+			if ($this->resume_data === null)
+			{
+				$this->resume_data = $this->reparser_manager->get_resume_data($this->reparser_name);
+			}
+
+			/**
+			 * @var \phpbb\textreparser\reparser_interface $reparser
+			 */
+			$reparser = $this->reparsers[$this->reparser_name];
+
+			$min = !empty($this->resume_data['range-min']) ? $this->resume_data['range-min'] : self::MIN;
+			$current = !empty($this->resume_data['range-max']) ? $this->resume_data['range-max'] : $reparser->get_max_id();
+			$size = !empty($this->resume_data['range-size']) ? $this->resume_data['range-size'] : self::SIZE;
+
+			if ($current >= $min)
+			{
+				$start = max($min, $current + 1 - $size);
+				$end = max($min, $current);
+
+				$reparser->reparse_range($start, $end);
+
+				$this->reparser_manager->update_resume_data($this->reparser_name, $min, $start - 1, $size);
+			}
+
+			$this->config->set($this->reparser_name . '_last_cron', time());
+			$this->reparse_lock->release();
+		}
+	}
+}
diff --git a/phpBB/phpbb/cron/task/wrapper.php b/phpBB/phpbb/cron/task/wrapper.php
index fc3f897206..8a4a8b1f0c 100644
--- a/phpBB/phpbb/cron/task/wrapper.php
+++ b/phpBB/phpbb/cron/task/wrapper.php
@@ -1,9 +1,13 @@
 <?php
 /**
 *
-* @package phpBB3
-* @copyright (c) 2010 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+* 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.
 *
 */
 
@@ -12,8 +16,6 @@ namespace phpbb\cron\task;
 /**
 * Cron task wrapper class.
 * Enhances cron tasks with convenience methods that work identically for all tasks.
-*
-* @package phpBB3
 */
 class wrapper
 {
@@ -27,6 +29,8 @@ class wrapper
 	* Wraps a task $task, which must implement cron_task interface.
 	*
 	* @param \phpbb\cron\task\task $task The cron task to wrap.
+	* @param string $phpbb_root_path Relative path to phpBB root
+	* @param string $php_ext PHP file extension
 	*/
 	public function __construct(\phpbb\cron\task\task $task, $phpbb_root_path, $php_ext)
 	{