16 files changed, 1878 insertions, 42 deletions
diff --git a/phpBB/phpbb/console/command/command.php b/phpBB/phpbb/console/command/command.php
index 638c989da2..0124c00d22 100644
--- a/phpBB/phpbb/console/command/command.php
+++ b/phpBB/phpbb/console/command/command.php
@@ -13,6 +13,10 @@
 
 namespace phpbb\console\command;
 
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
 abstract class command extends \Symfony\Component\Console\Command\Command
 {
 	/** @var \phpbb\user */
@@ -28,4 +32,45 @@ abstract class command extends \Symfony\Component\Console\Command\Command
 		$this->user = $user;
 		parent::__construct();
 	}
+
+	/**
+	 * Create a styled progress bar
+	 *
+	 * @param int             $max     Max value for the progress bar
+	 * @param SymfonyStyle    $io      Symfony style output decorator
+	 * @param OutputInterface $output  The output stream, used to print messages
+	 * @param bool            $message Should we display message output under the progress bar?
+	 * @return ProgressBar
+	 */
+	public function create_progress_bar($max, SymfonyStyle $io, OutputInterface $output, $message = false)
+	{
+		$progress = $io->createProgressBar($max);
+		if ($output->getVerbosity() === OutputInterface::VERBOSITY_VERBOSE)
+		{
+			$progress->setFormat('<info>[%percent:3s%%]</info> %message%');
+			$progress->setOverwrite(false);
+		}
+		else if ($output->getVerbosity() >= OutputInterface::VERBOSITY_VERY_VERBOSE)
+		{
+			$progress->setFormat('<info>[%current:s%/%max:s%]</info><comment>[%elapsed%/%estimated%][%memory%]</comment> %message%');
+			$progress->setOverwrite(false);
+		}
+		else
+		{
+			$io->newLine(2);
+			$progress->setFormat(
+				"    %current:s%/%max:s% %bar%  %percent:3s%%\n" .
+				"        " . ($message ? '%message%' : '                ') . " %elapsed:6s%/%estimated:-6s% %memory:6s%\n");
+			$progress->setBarWidth(60);
+		}
+
+		if (!defined('PHP_WINDOWS_VERSION_BUILD'))
+		{
+			$progress->setEmptyBarCharacter('░'); // light shade character \u2591
+			$progress->setProgressCharacter('');
+			$progress->setBarCharacter('▓'); // dark shade character \u2593
+		}
+
+		return $progress;
+	}
 }
diff --git a/phpBB/phpbb/console/command/cron/run.php b/phpBB/phpbb/console/command/cron/run.php
index a9648fcd41..dea6493007 100644
--- a/phpBB/phpbb/console/command/cron/run.php
+++ b/phpBB/phpbb/console/command/cron/run.php
@@ -13,6 +13,7 @@
 
 namespace phpbb\console\command\cron;
 
+use phpbb\exception\runtime_exception;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -93,8 +94,7 @@ class run extends \phpbb\console\command\command
 		}
 		else
 		{
-			$output->writeln('<error>' . $this->user->lang('CRON_LOCK_ERROR') . '</error>');
-			return 1;
+			throw new runtime_exception('CRON_LOCK_ERROR', array(), null, 1);
 		}
 	}
 
@@ -165,8 +165,7 @@ class run extends \phpbb\console\command\command
 		}
 		else
 		{
-			$output->writeln('<error>' . $this->user->lang('CRON_NO_SUCH_TASK', $task_name) . '</error>');
-			return 2;
+			throw new runtime_exception('CRON_NO_SUCH_TASK', array( $task_name), null, 2);
 		}
 	}
 }
diff --git a/phpBB/phpbb/console/command/db/console_migrator_output_handler.php b/phpBB/phpbb/console/command/db/console_migrator_output_handler.php
index b9741a3838..568b2646d4 100644
--- a/phpBB/phpbb/console/command/db/console_migrator_output_handler.php
+++ b/phpBB/phpbb/console/command/db/console_migrator_output_handler.php
@@ -13,8 +13,8 @@
 
 namespace phpbb\console\command\db;
 
+use phpbb\db\output_handler\migrator_output_handler_interface;
 use phpbb\user;
-use phpbb\db\migrator_output_handler_interface;
 use Symfony\Component\Console\Output\OutputInterface;
 
 class console_migrator_output_handler implements migrator_output_handler_interface
diff --git a/phpBB/phpbb/console/command/db/list_command.php b/phpBB/phpbb/console/command/db/list_command.php
new file mode 100644
index 0000000000..708107b592
--- /dev/null
+++ b/phpBB/phpbb/console/command/db/list_command.php
@@ -0,0 +1,73 @@
+<?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\console\command\db;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class list_command extends \phpbb\console\command\db\migration_command
+{
+	protected function configure()
+	{
+		$this
+			->setName('db:list')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_DB_LIST'))
+			->addOption(
+				'available',
+				'u',
+				InputOption::VALUE_NONE,
+				$this->user->lang('CLI_MIGRATIONS_ONLY_AVAILABLE')
+			)
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$show_installed = !$input->getOption('available');
+		$installed = $available = array();
+
+		foreach ($this->load_migrations() as $name)
+		{
+			if ($this->migrator->migration_state($name) !== false)
+			{
+				$installed[] = $name;
+			}
+			else
+			{
+				$available[] = $name;
+			}
+		}
+
+		if ($show_installed)
+		{
+			$output->writeln('<info>' . $this->user->lang('CLI_MIGRATIONS_INSTALLED') . $this->user->lang('COLON') . '</info>');
+			$output->writeln($installed);
+
+			if (empty($installed))
+			{
+				$output->writeln($this->user->lang('CLI_MIGRATIONS_EMPTY'));
+			}
+
+			$output->writeln('');
+		}
+
+		$output->writeln('<info>' . $this->user->lang('CLI_MIGRATIONS_AVAILABLE') . $this->user->lang('COLON') . '</info>');
+		$output->writeln($available);
+
+		if (empty($available))
+		{
+			$output->writeln($this->user->lang('CLI_MIGRATIONS_EMPTY'));
+		}
+	}
+}
diff --git a/phpBB/phpbb/console/command/db/migrate.php b/phpBB/phpbb/console/command/db/migrate.php
index 87c2a057d1..ae4211f7be 100644
--- a/phpBB/phpbb/console/command/db/migrate.php
+++ b/phpBB/phpbb/console/command/db/migrate.php
@@ -12,38 +12,31 @@
 */
 namespace phpbb\console\command\db;
 
+use phpbb\db\output_handler\log_wrapper_migrator_output_handler;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
-class migrate extends \phpbb\console\command\command
+class migrate extends \phpbb\console\command\db\migration_command
 {
-	/** @var \phpbb\db\migrator */
-	protected $migrator;
-
-	/** @var \phpbb\extension\manager */
-	protected $extension_manager;
-
-	/** @var \phpbb\config\config */
-	protected $config;
-
-	/** @var \phpbb\cache\service */
-	protected $cache;
-
 	/** @var \phpbb\log\log */
 	protected $log;
 
 	/** @var string phpBB root path */
 	protected $phpbb_root_path;
 
-	function __construct(\phpbb\user $user, \phpbb\db\migrator $migrator, \phpbb\extension\manager $extension_manager, \phpbb\config\config $config, \phpbb\cache\service $cache, \phpbb\log\log $log, $phpbb_root_path)
+	/** @var  \phpbb\filesystem\filesystem_interface */
+	protected $filesystem;
+
+	/** @var \phpbb\language\language */
+	protected $language;
+
+	function __construct(\phpbb\user $user, \phpbb\language\language $language, \phpbb\db\migrator $migrator, \phpbb\extension\manager $extension_manager, \phpbb\config\config $config, \phpbb\cache\service $cache, \phpbb\log\log $log, \phpbb\filesystem\filesystem_interface $filesystem, $phpbb_root_path)
 	{
-		$this->migrator = $migrator;
-		$this->extension_manager = $extension_manager;
-		$this->config = $config;
-		$this->cache = $cache;
+		$this->language = $language;
 		$this->log = $log;
+		$this->filesystem = $filesystem;
 		$this->phpbb_root_path = $phpbb_root_path;
-		parent::__construct($user);
+		parent::__construct($user, $migrator, $extension_manager, $config, $cache);
 		$this->user->add_lang(array('common', 'install', 'migrator'));
 	}
 
@@ -57,7 +50,7 @@ class migrate extends \phpbb\console\command\command
 
 	protected function execute(InputInterface $input, OutputInterface $output)
 	{
-		$this->migrator->set_output_handler(new \phpbb\db\log_wrapper_migrator_output_handler($this->user, new console_migrator_output_handler($this->user, $output), $this->phpbb_root_path . 'store/migrations_' . time() . '.log'));
+		$this->migrator->set_output_handler(new log_wrapper_migrator_output_handler($this->language, new console_migrator_output_handler($this->user, $output), $this->phpbb_root_path . 'store/migrations_' . time() . '.log', $this->filesystem));
 
 		$this->migrator->create_migrations_table();
 
@@ -87,21 +80,4 @@ class migrate extends \phpbb\console\command\command
 		$this->finalise_update();
 		$output->writeln($this->user->lang['DATABASE_UPDATE_COMPLETE']);
 	}
-
-	protected function load_migrations()
-	{
-		$migrations = $this->extension_manager
-			->get_finder()
-			->core_path('phpbb/db/migration/data/')
-			->extension_directory('/migrations')
-			->get_classes();
-
-		$this->migrator->set_migrations($migrations);
-	}
-
-	protected function finalise_update()
-	{
-		$this->cache->purge();
-		$this->config->increment('assets_version', 1);
-	}
 }
diff --git a/phpBB/phpbb/console/command/db/migration_command.php b/phpBB/phpbb/console/command/db/migration_command.php
new file mode 100644
index 0000000000..b951560588
--- /dev/null
+++ b/phpBB/phpbb/console/command/db/migration_command.php
@@ -0,0 +1,56 @@
+<?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\console\command\db;
+
+abstract class migration_command extends \phpbb\console\command\command
+{
+	/** @var \phpbb\db\migrator */
+	protected $migrator;
+
+	/** @var \phpbb\extension\manager */
+	protected $extension_manager;
+
+	/** @var \phpbb\config\config */
+	protected $config;
+
+	/** @var \phpbb\cache\service */
+	protected $cache;
+
+	function __construct(\phpbb\user $user, \phpbb\db\migrator $migrator, \phpbb\extension\manager $extension_manager, \phpbb\config\config $config, \phpbb\cache\service $cache)
+	{
+		$this->migrator = $migrator;
+		$this->extension_manager = $extension_manager;
+		$this->config = $config;
+		$this->cache = $cache;
+		parent::__construct($user);
+	}
+
+	protected function load_migrations()
+	{
+		$migrations = $this->extension_manager
+			->get_finder()
+			->core_path('phpbb/db/migration/data/')
+			->extension_directory('/migrations')
+			->get_classes();
+
+		$this->migrator->set_migrations($migrations);
+
+		return $this->migrator->get_migrations();
+	}
+
+	protected function finalise_update()
+	{
+		$this->cache->purge();
+		$this->config->increment('assets_version', 1);
+	}
+}
diff --git a/phpBB/phpbb/console/command/db/revert.php b/phpBB/phpbb/console/command/db/revert.php
new file mode 100644
index 0000000000..3fa2e17515
--- /dev/null
+++ b/phpBB/phpbb/console/command/db/revert.php
@@ -0,0 +1,88 @@
+<?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\console\command\db;
+
+use phpbb\db\output_handler\log_wrapper_migrator_output_handler;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class revert extends \phpbb\console\command\db\migration_command
+{
+	/** @var string phpBB root path */
+	protected $phpbb_root_path;
+
+	/** @var  \phpbb\filesystem\filesystem_interface */
+	protected $filesystem;
+
+	/** @var \phpbb\language\language */
+	protected $language;
+
+	function __construct(\phpbb\user $user, \phpbb\language\language $language, \phpbb\db\migrator $migrator, \phpbb\extension\manager $extension_manager, \phpbb\config\config $config, \phpbb\cache\service $cache, \phpbb\filesystem\filesystem_interface $filesystem, $phpbb_root_path)
+	{
+		$this->filesystem = $filesystem;
+		$this->language = $language;
+		$this->phpbb_root_path = $phpbb_root_path;
+		parent::__construct($user, $migrator, $extension_manager, $config, $cache);
+		$this->user->add_lang(array('common', 'migrator'));
+	}
+
+	protected function configure()
+	{
+		$this
+			->setName('db:revert')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_DB_REVERT'))
+			->addArgument(
+				'name',
+				InputArgument::REQUIRED,
+				$this->user->lang('CLI_MIGRATION_NAME')
+			)
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$name = str_replace('/', '\\', $input->getArgument('name'));
+
+		$this->migrator->set_output_handler(new log_wrapper_migrator_output_handler($this->language, new console_migrator_output_handler($this->user, $output), $this->phpbb_root_path . 'store/migrations_' . time() . '.log', $this->filesystem));
+
+		$this->cache->purge();
+
+		if (!in_array($name, $this->load_migrations()))
+		{
+			$output->writeln('<error>' . $this->user->lang('MIGRATION_NOT_VALID', $name) . '</error>');
+			return 1;
+		}
+		else if ($this->migrator->migration_state($name) === false)
+		{
+			$output->writeln('<error>' . $this->user->lang('MIGRATION_NOT_INSTALLED', $name) . '</error>');
+			return 1;
+		}
+
+		try
+		{
+			while ($this->migrator->migration_state($name) !== false)
+			{
+				$this->migrator->revert($name);
+			}
+		}
+		catch (\phpbb\db\migration\exception $e)
+		{
+			$output->writeln('<error>' . $e->getLocalisedMessage($this->user) . '</error>');
+			$this->finalise_update();
+			return 1;
+		}
+
+		$this->finalise_update();
+	}
+}
diff --git a/phpBB/phpbb/console/command/reparser/list_all.php b/phpBB/phpbb/console/command/reparser/list_all.php
new file mode 100644
index 0000000000..e42c3ac782
--- /dev/null
+++ b/phpBB/phpbb/console/command/reparser/list_all.php
@@ -0,0 +1,69 @@
+<?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\console\command\reparser;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class list_all extends \phpbb\console\command\command
+{
+	/**
+	* @var string[] Names of the reparser services
+	*/
+	protected $reparser_names;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\user $user
+	* @param \phpbb\di\service_collection $reparsers
+	*/
+	public function __construct(\phpbb\user $user, \phpbb\di\service_collection $reparsers)
+	{
+		parent::__construct($user);
+		$this->reparser_names = array();
+		foreach ($reparsers as $name => $reparser)
+		{
+			// Store the names without the "text_reparser." prefix
+			$this->reparser_names[] = preg_replace('(^text_reparser\\.)', '', $name);
+		}
+	}
+
+	/**
+	* Sets the command name and description
+	*
+	* @return null
+	*/
+	protected function configure()
+	{
+		$this
+			->setName('reparser:list')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_REPARSER_LIST'))
+		;
+	}
+
+	/**
+	* Executes the command reparser:reparse
+	*
+	* @param InputInterface $input
+	* @param OutputInterface $output
+	* @return integer
+	*/
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$output->writeln('<info>' . implode(', ', $this->reparser_names) . '</info>');
+
+		return 0;
+	}
+}
diff --git a/phpBB/phpbb/console/command/reparser/reparse.php b/phpBB/phpbb/console/command/reparser/reparse.php
new file mode 100644
index 0000000000..cebeee0919
--- /dev/null
+++ b/phpBB/phpbb/console/command/reparser/reparse.php
@@ -0,0 +1,246 @@
+<?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\console\command\reparser;
+
+use phpbb\exception\runtime_exception;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class reparse extends \phpbb\console\command\command
+{
+	/**
+	* @var InputInterface
+	*/
+	protected $input;
+
+	/**
+	* @var SymfonyStyle
+	*/
+	protected $io;
+
+	/**
+	* @var OutputInterface
+	*/
+	protected $output;
+
+	/**
+	 * @var \phpbb\lock\db
+	 */
+	protected $reparse_lock;
+
+	/**
+	 * @var \phpbb\textreparser\manager
+	 */
+	protected $reparser_manager;
+
+	/**
+	* @var \phpbb\di\service_collection
+	*/
+	protected $reparsers;
+
+	/**
+	* @var array The reparser's last $current ID as values
+	*/
+	protected $resume_data;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\user $user
+	* @param \phpbb\lock\db $reparse_lock
+	* @param \phpbb\textreparser\manager $reparser_manager
+	* @param \phpbb\di\service_collection $reparsers
+	*/
+	public function __construct(\phpbb\user $user, \phpbb\lock\db $reparse_lock, \phpbb\textreparser\manager $reparser_manager, \phpbb\di\service_collection $reparsers)
+	{
+		require_once __DIR__ . '/../../../../includes/functions_content.php';
+
+		$this->reparse_lock = $reparse_lock;
+		$this->reparser_manager = $reparser_manager;
+		$this->reparsers = $reparsers;
+		parent::__construct($user);
+	}
+
+	/**
+	* Sets the command name and description
+	*
+	* @return null
+	*/
+	protected function configure()
+	{
+		$this
+			->setName('reparser:reparse')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE'))
+			->addArgument('reparser-name', InputArgument::OPTIONAL, $this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_ARG_1'))
+			->addOption(
+				'dry-run',
+				null,
+				InputOption::VALUE_NONE,
+				$this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_OPT_DRY_RUN')
+			)
+			->addOption(
+				'resume',
+				null,
+				InputOption::VALUE_NONE,
+				$this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_OPT_RESUME')
+			)
+			->addOption(
+				'range-min',
+				null,
+				InputOption::VALUE_REQUIRED,
+				$this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_OPT_RANGE_MIN'),
+				1
+			)
+			->addOption(
+				'range-max',
+				null,
+				InputOption::VALUE_REQUIRED,
+				$this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_OPT_RANGE_MAX')
+			)
+			->addOption(
+				'range-size',
+				null,
+				InputOption::VALUE_REQUIRED,
+				$this->user->lang('CLI_DESCRIPTION_REPARSER_REPARSE_OPT_RANGE_SIZE'),
+				100
+			);
+		;
+	}
+
+	/**
+	* Executes the command reparser:reparse
+	*
+	* @param InputInterface $input
+	* @param OutputInterface $output
+	* @return integer
+	*/
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$this->input = $input;
+		$this->output = $output;
+		$this->io = new SymfonyStyle($input, $output);
+
+		if (!$this->reparse_lock->acquire())
+		{
+			throw new runtime_exception('REPARSE_LOCK_ERROR', array(), null, 1);
+		}
+
+		$name = $input->getArgument('reparser-name');
+		if (isset($name))
+		{
+			// Allow "post_text" to be an alias for "text_reparser.post_text"
+			if (!isset($this->reparsers[$name]))
+			{
+				$name = 'text_reparser.' . $name;
+			}
+			$this->reparse($name);
+		}
+		else
+		{
+			foreach ($this->reparsers as $name => $service)
+			{
+				$this->reparse($name);
+			}
+		}
+
+		$this->io->success($this->user->lang('CLI_REPARSER_REPARSE_SUCCESS'));
+
+		$this->reparse_lock->release();
+
+		return 0;
+	}
+
+	/**
+	* Get an option value, adjusted for given reparser
+	*
+	* Will use the last saved value if --resume is set and the option was not specified
+	* on the command line
+	*
+	* @param  string  $option_name   Option name
+	* @return integer
+	*/
+	protected function get_option($option_name)
+	{
+		// Return the option from the resume_data if applicable
+		if ($this->input->getOption('resume') && isset($this->resume_data[$option_name]) && !$this->input->hasParameterOption('--' . $option_name))
+		{
+			return $this->resume_data[$option_name];
+		}
+
+		return $this->input->getOption($option_name);
+	}
+
+	/**
+	* Reparse all text handled by given reparser within given range
+	*
+	* @param string $name Reparser name
+	*/
+	protected function reparse($name)
+	{
+		$reparser = $this->reparsers[$name];
+		$this->resume_data = $this->reparser_manager->get_resume_data($name);
+		if ($this->input->getOption('dry-run'))
+		{
+			$reparser->disable_save();
+		}
+		else
+		{
+			$reparser->enable_save();
+		}
+
+		// Start at range-max if specified or at the highest ID otherwise
+		$max  = $this->get_option('range-max');
+		$min  = $this->get_option('range-min');
+		$size = $this->get_option('range-size');
+
+		// range-max has no default value, it must be computed for each reparser
+		if ($max === null)
+		{
+			$max = $reparser->get_max_id();
+		}
+
+		if ($max < $min)
+		{
+			return;
+		}
+
+		$this->io->section($this->user->lang('CLI_REPARSER_REPARSE_REPARSING', preg_replace('(^text_reparser\\.)', '', $name), $min, $max));
+
+		$progress = $this->create_progress_bar($max, $this->io, $this->output, true);
+		$progress->setMessage($this->user->lang('CLI_REPARSER_REPARSE_REPARSING_START', preg_replace('(^text_reparser\\.)', '', $name)));
+		$progress->start();
+
+		// Start from $max and decrement $current by $size until we reach $min
+		$current = $max;
+		while ($current >= $min)
+		{
+			$start = max($min, $current + 1 - $size);
+			$end   = max($min, $current);
+
+			$progress->setMessage($this->user->lang('CLI_REPARSER_REPARSE_REPARSING', preg_replace('(^text_reparser\\.)', '', $name), $start, $end));
+			$reparser->reparse_range($start, $end);
+
+			$current = $start - 1;
+			$progress->setProgress($max + 1 - $start);
+
+			$this->reparser_manager->update_resume_data($name, $min, $current, $size, !$this->input->getOption('dry-run'));
+		}
+		$progress->finish();
+
+		$this->io->newLine(2);
+	}
+}
diff --git a/phpBB/phpbb/console/command/thumbnail/delete.php b/phpBB/phpbb/console/command/thumbnail/delete.php
new file mode 100644
index 0000000000..cfa9891fbc
--- /dev/null
+++ b/phpBB/phpbb/console/command/thumbnail/delete.php
@@ -0,0 +1,153 @@
+<?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\console\command\thumbnail;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class delete extends \phpbb\console\command\command
+{
+	/**
+	* @var \phpbb\db\driver\driver_interface
+	*/
+	protected $db;
+
+	/**
+	* phpBB root path
+	* @var string
+	*/
+	protected $phpbb_root_path;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\user $user The user object (used to get language information)
+	* @param \phpbb\db\driver\driver_interface $db Database connection
+	* @param string $phpbb_root_path Root path
+	*/
+	public function __construct(\phpbb\user $user, \phpbb\db\driver\driver_interface $db, $phpbb_root_path)
+	{
+		$this->db = $db;
+		$this->phpbb_root_path = $phpbb_root_path;
+
+		parent::__construct($user);
+	}
+
+	/**
+	* Sets the command name and description
+	*
+	* @return null
+	*/
+	protected function configure()
+	{
+		$this
+			->setName('thumbnail:delete')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_THUMBNAIL_DELETE'))
+		;
+	}
+
+	/**
+	* Executes the command thumbnail:delete.
+	*
+	* Deletes all existing thumbnails and updates the database accordingly.
+	*
+	* @param InputInterface $input The input stream used to get the argument and verbose option.
+	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
+	*
+	* @return int 0 if all is ok, 1 if a thumbnail couldn't be deleted.
+	*/
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$io = new SymfonyStyle($input, $output);
+
+		$io->section($this->user->lang('CLI_THUMBNAIL_DELETING'));
+
+		$sql = 'SELECT COUNT(*) AS nb_missing_thumbnails
+			FROM ' . ATTACHMENTS_TABLE . '
+			WHERE thumbnail = 1';
+		$result = $this->db->sql_query($sql);
+		$nb_missing_thumbnails = (int) $this->db->sql_fetchfield('nb_missing_thumbnails');
+		$this->db->sql_freeresult($result);
+
+		if ($nb_missing_thumbnails === 0)
+		{
+			$io->warning($this->user->lang('CLI_THUMBNAIL_NOTHING_TO_DELETE'));
+			return 0;
+		}
+
+		$sql = 'SELECT attach_id, physical_filename, extension, real_filename, mimetype
+			FROM ' . ATTACHMENTS_TABLE . '
+			WHERE thumbnail = 1';
+		$result = $this->db->sql_query($sql);
+
+		$progress = $this->create_progress_bar($nb_missing_thumbnails, $io, $output);
+
+		$progress->setMessage($this->user->lang('CLI_THUMBNAIL_DELETING'));
+
+		$progress->start();
+
+		$thumbnail_deleted = array();
+		$return = 0;
+		while ($row = $this->db->sql_fetchrow($result))
+		{
+			$thumbnail_path = $this->phpbb_root_path . 'files/thumb_' . $row['physical_filename'];
+
+			if (@unlink($thumbnail_path))
+			{
+				$thumbnail_deleted[] = $row['attach_id'];
+
+				if (sizeof($thumbnail_deleted) === 250)
+				{
+					$this->commit_changes($thumbnail_deleted);
+					$thumbnail_deleted = array();
+				}
+
+				$progress->setMessage($this->user->lang('CLI_THUMBNAIL_DELETED', $row['real_filename'], $row['physical_filename']));
+			}
+			else
+			{
+				$return = 1;
+				$progress->setMessage('<error>' . $this->user->lang('CLI_THUMBNAIL_SKIPPED', $row['real_filename'], $row['physical_filename']) . '</error>');
+			}
+
+			$progress->advance();
+		}
+		$this->db->sql_freeresult($result);
+
+		if (!empty($thumbnail_deleted))
+		{
+			$this->commit_changes($thumbnail_deleted);
+		}
+
+		$progress->finish();
+
+		$io->newLine(2);
+		$io->success($this->user->lang('CLI_THUMBNAIL_DELETING_DONE'));
+
+		return $return;
+	}
+
+	/**
+	* Commits the changes to the database
+	*
+	* @param array $thumbnail_deleted
+	*/
+	protected function commit_changes(array $thumbnail_deleted)
+	{
+		$sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
+				SET thumbnail = 0
+				WHERE ' . $this->db->sql_in_set('attach_id', $thumbnail_deleted);
+		$this->db->sql_query($sql);
+	}
+}
diff --git a/phpBB/phpbb/console/command/thumbnail/generate.php b/phpBB/phpbb/console/command/thumbnail/generate.php
new file mode 100644
index 0000000000..64f7555336
--- /dev/null
+++ b/phpBB/phpbb/console/command/thumbnail/generate.php
@@ -0,0 +1,179 @@
+<?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\console\command\thumbnail;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class generate extends \phpbb\console\command\command
+{
+	/**
+	* @var \phpbb\db\driver\driver_interface
+	*/
+	protected $db;
+
+	/**
+	* @var \phpbb\cache\service
+	*/
+	protected $cache;
+
+	/**
+	* phpBB root path
+	* @var string
+	*/
+	protected $phpbb_root_path;
+
+	/**
+	* PHP extension.
+	*
+	* @var string
+	*/
+	protected $php_ext;
+
+	/**
+	* Constructor
+	*
+	* @param \phpbb\user $user The user object (used to get language information)
+	* @param \phpbb\db\driver\driver_interface $db Database connection
+	* @param \phpbb\cache\service $cache The cache service
+	* @param string $phpbb_root_path Root path
+	* @param string $php_ext PHP extension
+	*/
+	public function __construct(\phpbb\user $user, \phpbb\db\driver\driver_interface $db, \phpbb\cache\service $cache, $phpbb_root_path, $php_ext)
+	{
+		$this->db = $db;
+		$this->cache = $cache;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+
+		parent::__construct($user);
+	}
+
+	/**
+	* Sets the command name and description
+	*
+	* @return null
+	*/
+	protected function configure()
+	{
+		$this
+			->setName('thumbnail:generate')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_THUMBNAIL_GENERATE'))
+		;
+	}
+
+	/**
+	* Executes the command thumbnail:generate.
+	*
+	* Generate a thumbnail for all attachments which need one and don't have it yet.
+	*
+	* @param InputInterface $input The input stream used to get the argument and verboe option.
+	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
+	*
+	* @return int 0.
+	*/
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$io = new SymfonyStyle($input, $output);
+
+		$io->section($this->user->lang('CLI_THUMBNAIL_GENERATING'));
+
+		$sql = 'SELECT COUNT(*) AS nb_missing_thumbnails
+			FROM ' . ATTACHMENTS_TABLE . '
+			WHERE thumbnail = 0';
+		$result = $this->db->sql_query($sql);
+		$nb_missing_thumbnails = (int) $this->db->sql_fetchfield('nb_missing_thumbnails');
+		$this->db->sql_freeresult($result);
+
+		if ($nb_missing_thumbnails === 0)
+		{
+			$io->warning($this->user->lang('CLI_THUMBNAIL_NOTHING_TO_GENERATE'));
+			return 0;
+		}
+
+		$extensions = $this->cache->obtain_attach_extensions(true);
+
+		$sql = 'SELECT attach_id, physical_filename, extension, real_filename, mimetype
+			FROM ' . ATTACHMENTS_TABLE . '
+			WHERE thumbnail = 0';
+		$result = $this->db->sql_query($sql);
+
+		if (!function_exists('create_thumbnail'))
+		{
+			require($this->phpbb_root_path . 'includes/functions_posting.' . $this->php_ext);
+		}
+
+		$progress = $this->create_progress_bar($nb_missing_thumbnails, $io, $output);
+
+		$progress->setMessage($this->user->lang('CLI_THUMBNAIL_GENERATING'));
+
+		$progress->start();
+
+		$thumbnail_created = array();
+		while ($row = $this->db->sql_fetchrow($result))
+		{
+			if (isset($extensions[$row['extension']]['display_cat']) && $extensions[$row['extension']]['display_cat'] == ATTACHMENT_CATEGORY_IMAGE)
+			{
+				$source = $this->phpbb_root_path . 'files/' . $row['physical_filename'];
+				$destination = $this->phpbb_root_path . 'files/thumb_' . $row['physical_filename'];
+
+				if (create_thumbnail($source, $destination, $row['mimetype']))
+				{
+					$thumbnail_created[] = (int) $row['attach_id'];
+
+					if (count($thumbnail_created) === 250)
+					{
+						$this->commit_changes($thumbnail_created);
+						$thumbnail_created = array();
+					}
+
+					$progress->setMessage($this->user->lang('CLI_THUMBNAIL_GENERATED', $row['real_filename'], $row['physical_filename']));
+				}
+				else
+				{
+					$progress->setMessage('<info>' . $this->user->lang('CLI_THUMBNAIL_SKIPPED', $row['real_filename'], $row['physical_filename']) . '</info>');
+				}
+			}
+
+			$progress->advance();
+		}
+		$this->db->sql_freeresult($result);
+
+		if (!empty($thumbnail_created))
+		{
+			$this->commit_changes($thumbnail_created);
+		}
+
+		$progress->finish();
+
+		$io->newLine(2);
+		$io->success($this->user->lang('CLI_THUMBNAIL_GENERATING_DONE'));
+
+		return 0;
+	}
+
+	/**
+	* Commits the changes to the database
+	*
+	* @param array $thumbnail_created
+	*/
+	protected function commit_changes(array $thumbnail_created)
+	{
+		$sql = 'UPDATE ' . ATTACHMENTS_TABLE . '
+				SET thumbnail = 1
+				WHERE ' . $this->db->sql_in_set('attach_id', $thumbnail_created);
+		$this->db->sql_query($sql);
+	}
+}
diff --git a/phpBB/phpbb/console/command/thumbnail/recreate.php b/phpBB/phpbb/console/command/thumbnail/recreate.php
new file mode 100644
index 0000000000..382da290bf
--- /dev/null
+++ b/phpBB/phpbb/console/command/thumbnail/recreate.php
@@ -0,0 +1,72 @@
+<?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\console\command\thumbnail;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class recreate extends \phpbb\console\command\command
+{
+	/**
+	* Sets the command name and description
+	*
+	* @return null
+	*/
+	protected function configure()
+	{
+		$this
+			->setName('thumbnail:recreate')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_THUMBNAIL_RECREATE'))
+		;
+	}
+
+	/**
+	* Executes the command thumbnail:recreate.
+	*
+	* This command is a "macro" to execute thumbnail:delete and then thumbnail:generate.
+	*
+	* @param InputInterface $input The input stream used to get the argument and verboe option.
+	* @param OutputInterface $output The output stream, used for printing verbose-mode and error information.
+	*
+	* @return int 0 if all is ok, 1 if a thumbnail couldn't be deleted.
+	*/
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$parameters = array(
+			'command' => 'thumbnail:delete'
+		);
+
+		if ($input->getOption('verbose'))
+		{
+			$parameters['-' . str_repeat('v', $output->getVerbosity() - 1)] = true;
+		}
+
+		$this->getApplication()->setAutoExit(false);
+
+		$input_delete = new ArrayInput($parameters);
+		$return = $this->getApplication()->run($input_delete, $output);
+
+		if ($return === 0)
+		{
+			$parameters['command'] = 'thumbnail:generate';
+
+			$input_create = new ArrayInput($parameters);
+			$return = $this->getApplication()->run($input_create, $output);
+		}
+
+		$this->getApplication()->setAutoExit(true);
+
+		return $return;
+	}
+}
diff --git a/phpBB/phpbb/console/command/user/activate.php b/phpBB/phpbb/console/command/user/activate.php
new file mode 100644
index 0000000000..9c85718b4c
--- /dev/null
+++ b/phpBB/phpbb/console/command/user/activate.php
@@ -0,0 +1,218 @@
+<?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\console\command\user;
+
+use phpbb\config\config;
+use phpbb\console\command\command;
+use phpbb\db\driver\driver_interface;
+use phpbb\language\language;
+use phpbb\log\log_interface;
+use phpbb\notification\manager;
+use phpbb\user;
+use phpbb\user_loader;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class activate extends command
+{
+	/** @var driver_interface */
+	protected $db;
+
+	/** @var config */
+	protected $config;
+
+	/** @var language */
+	protected $language;
+
+	/** @var log_interface */
+	protected $log;
+
+	/** @var manager */
+	protected $notifications;
+
+	/** @var user_loader */
+	protected $user_loader;
+
+	/**
+	 * phpBB root path
+	 *
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * PHP extension.
+	 *
+	 * @var string
+	 */
+	protected $php_ext;
+
+	/**
+	 * Construct method
+	 *
+	 * @param user             $user
+	 * @param driver_interface $db
+	 * @param config           $config
+	 * @param language         $language
+	 * @param log_interface    $log
+	 * @param manager          $notifications
+	 * @param user_loader      $user_loader
+	 * @param string           $phpbb_root_path
+	 * @param string           $php_ext
+	 */
+	public function __construct(user $user, driver_interface $db, config $config, language $language, log_interface $log, manager $notifications, user_loader $user_loader, $phpbb_root_path, $php_ext)
+	{
+		$this->db = $db;
+		$this->config = $config;
+		$this->language = $language;
+		$this->log = $log;
+		$this->notifications = $notifications;
+		$this->user_loader = $user_loader;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+
+		$this->language->add_lang('acp/users');
+		parent::__construct($user);
+	}
+
+	/**
+	 * Sets the command name and description
+	 *
+	 * @return null
+	 */
+	protected function configure()
+	{
+		$this
+			->setName('user:activate')
+			->setDescription($this->language->lang('CLI_DESCRIPTION_USER_ACTIVATE'))
+			->setHelp($this->language->lang('CLI_HELP_USER_ACTIVATE'))
+			->addArgument(
+				'username',
+				InputArgument::REQUIRED,
+				$this->language->lang('CLI_DESCRIPTION_USER_ACTIVATE_USERNAME')
+			)
+			->addOption(
+				'deactivate',
+				'd',
+				InputOption::VALUE_NONE,
+				$this->language->lang('CLI_DESCRIPTION_USER_ACTIVATE_DEACTIVATE')
+			)
+			->addOption(
+				'send-email',
+				null,
+				InputOption::VALUE_NONE,
+				$this->language->lang('CLI_DESCRIPTION_USER_ADD_OPTION_NOTIFY')
+			)
+		;
+	}
+
+	/**
+	 * Executes the command user:activate
+	 *
+	 * Activate (or deactivate) a user account
+	 *
+	 * @param InputInterface  $input  The input stream used to get the options
+	 * @param OutputInterface $output The output stream, used to print messages
+	 *
+	 * @return int 0 if all is well, 1 if any errors occurred
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$io = new SymfonyStyle($input, $output);
+
+		$name = $input->getArgument('username');
+		$mode = ($input->getOption('deactivate')) ? 'deactivate' : 'activate';
+
+		$user_id  = $this->user_loader->load_user_by_username($name);
+		$user_row = $this->user_loader->get_user($user_id);
+
+		if ($user_row['user_id'] == ANONYMOUS)
+		{
+			$io->error($this->language->lang('NO_USER'));
+			return 1;
+		}
+
+		// Check if the user is already active (or inactive)
+		if ($mode == 'activate' && $user_row['user_type'] != USER_INACTIVE)
+		{
+			$io->error($this->language->lang('CLI_DESCRIPTION_USER_ACTIVATE_ACTIVE'));
+			return 1;
+		}
+		else if ($mode == 'deactivate' && $user_row['user_type'] == USER_INACTIVE)
+		{
+			$io->error($this->language->lang('CLI_DESCRIPTION_USER_ACTIVATE_INACTIVE'));
+			return 1;
+		}
+
+		// Activate the user account
+		if (!function_exists('user_active_flip'))
+		{
+			require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
+		}
+
+		user_active_flip($mode, $user_row['user_id']);
+
+		// Notify the user upon activation
+		if ($mode == 'activate' && $this->config['require_activation'] == USER_ACTIVATION_ADMIN)
+		{
+			$this->send_notification($user_row, $input);
+		}
+
+		// Log and display the result
+		$msg = ($mode == 'activate') ? 'USER_ADMIN_ACTIVATED' : 'USER_ADMIN_DEACTIVED';
+		$log = ($mode == 'activate') ? 'LOG_USER_ACTIVE' : 'LOG_USER_INACTIVE';
+
+		$this->log->add('admin', ANONYMOUS, '', $log, false, array($user_row['username']));
+		$this->log->add('user', ANONYMOUS, '', $log . '_USER', false, array(
+			'reportee_id' => $user_row['user_id']
+		));
+
+		$io->success($this->language->lang($msg));
+
+		return 0;
+	}
+
+	/**
+	 * Send account activation notification to user
+	 *
+	 * @param array           $user_row The user data array
+	 * @param InputInterface  $input    The input stream used to get the options
+	 * @return null
+	 */
+	protected function send_notification($user_row, InputInterface $input)
+	{
+		$this->notifications->delete_notifications('notification.type.admin_activate_user', $user_row['user_id']);
+
+		if ($input->getOption('send-email'))
+		{
+			if (!class_exists('messenger'))
+			{
+				require($this->phpbb_root_path . 'includes/functions_messenger.' . $this->php_ext);
+			}
+
+			$messenger = new \messenger(false);
+			$messenger->template('admin_welcome_activated', $user_row['user_lang']);
+			$messenger->set_addresses($user_row);
+			$messenger->anti_abuse_headers($this->config, $this->user);
+			$messenger->assign_vars(array(
+					'USERNAME'	=> htmlspecialchars_decode($user_row['username']))
+			);
+
+			$messenger->send(NOTIFY_EMAIL);
+		}
+	}
+}
diff --git a/phpBB/phpbb/console/command/user/add.php b/phpBB/phpbb/console/command/user/add.php
new file mode 100644
index 0000000000..c60a059251
--- /dev/null
+++ b/phpBB/phpbb/console/command/user/add.php
@@ -0,0 +1,334 @@
+<?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\console\command\user;
+
+use phpbb\config\config;
+use phpbb\console\command\command;
+use phpbb\db\driver\driver_interface;
+use phpbb\exception\runtime_exception;
+use phpbb\language\language;
+use phpbb\passwords\manager;
+use phpbb\user;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class add extends command
+{
+	/** @var array Array of interactively acquired options */
+	protected $data;
+
+	/** @var driver_interface */
+	protected $db;
+
+	/** @var config */
+	protected $config;
+
+	/** @var language */
+	protected $language;
+
+	/** @var manager */
+	protected $password_manager;
+
+	/**
+	 * phpBB root path
+	 *
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * PHP extension.
+	 *
+	 * @var string
+	 */
+	protected $php_ext;
+
+	/**
+	 * Construct method
+	 *
+	 * @param user             $user
+	 * @param driver_interface $db
+	 * @param config           $config
+	 * @param language         $language
+	 * @param manager          $password_manager
+	 * @param string           $phpbb_root_path
+	 * @param string           $php_ext
+	 */
+	public function __construct(user $user, driver_interface $db, config $config, language $language, manager $password_manager, $phpbb_root_path, $php_ext)
+	{
+		$this->db = $db;
+		$this->config = $config;
+		$this->language = $language;
+		$this->password_manager = $password_manager;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+
+		$this->language->add_lang('ucp');
+		parent::__construct($user);
+	}
+
+	/**
+	 * Sets the command name and description
+	 *
+	 * @return null
+	 */
+	protected function configure()
+	{
+		$this
+			->setName('user:add')
+			->setDescription($this->language->lang('CLI_DESCRIPTION_USER_ADD'))
+			->setHelp($this->language->lang('CLI_HELP_USER_ADD'))
+			->addOption(
+				'username',
+				'U',
+				InputOption::VALUE_REQUIRED,
+				$this->language->lang('CLI_DESCRIPTION_USER_ADD_OPTION_USERNAME')
+			)
+			->addOption(
+				'password',
+				'P',
+				InputOption::VALUE_REQUIRED,
+				$this->language->lang('CLI_DESCRIPTION_USER_ADD_OPTION_PASSWORD')
+			)
+			->addOption(
+				'email',
+				'E',
+				InputOption::VALUE_REQUIRED,
+				$this->language->lang('CLI_DESCRIPTION_USER_ADD_OPTION_EMAIL')
+			)
+			->addOption(
+				'send-email',
+				null,
+				InputOption::VALUE_NONE,
+				$this->language->lang('CLI_DESCRIPTION_USER_ADD_OPTION_NOTIFY')
+			)
+		;
+	}
+
+	/**
+	 * Executes the command user:add
+	 *
+	 * Adds a new user to the database. If options are not provided, it will ask for the username, password and email.
+	 * User is added to the registered user group. Language and timezone default to $config settings.
+	 *
+	 * @param InputInterface  $input  The input stream used to get the options
+	 * @param OutputInterface $output The output stream, used to print messages
+	 *
+	 * @return int 0 if all is well, 1 if any errors occurred
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$io = new SymfonyStyle($input, $output);
+
+		try
+		{
+			$this->validate_user_data();
+			$group_id = $this->get_group_id();
+		}
+		catch (runtime_exception $e)
+		{
+			$io->error($e->getMessage());
+			return 1;
+		}
+
+		$user_row = array(
+			'username'      => $this->data['username'],
+			'user_password' => $this->password_manager->hash($this->data['new_password']),
+			'user_email'    => $this->data['email'],
+			'group_id'      => $group_id,
+			'user_timezone' => $this->config['board_timezone'],
+			'user_lang'     => $this->config['default_lang'],
+			'user_type'     => USER_NORMAL,
+			'user_regdate'  => time(),
+		);
+
+		$user_id = (int) user_add($user_row);
+
+		if (!$user_id)
+		{
+			$io->error($this->language->lang('AUTH_NO_PROFILE_CREATED'));
+			return 1;
+		}
+
+		if ($input->getOption('send-email') && $this->config['email_enable'])
+		{
+			$this->send_activation_email($user_id);
+		}
+
+		$io->success($this->language->lang('CLI_USER_ADD_SUCCESS', $this->data['username']));
+
+		return 0;
+	}
+
+	/**
+	 * Interacts with the user.
+	 *
+	 * @param InputInterface  $input  An InputInterface instance
+	 * @param OutputInterface $output An OutputInterface instance
+	 */
+	protected function interact(InputInterface $input, OutputInterface $output)
+	{
+		$helper = $this->getHelper('question');
+
+		$this->data = array(
+			'username'     => $input->getOption('username'),
+			'new_password' => $input->getOption('password'),
+			'email'        => $input->getOption('email'),
+		);
+
+		if (!$this->data['username'])
+		{
+			$question = new Question($this->ask_user('USERNAME'));
+			$this->data['username'] = $helper->ask($input, $output, $question);
+		}
+
+		if (!$this->data['new_password'])
+		{
+			$question = new Question($this->ask_user('PASSWORD'));
+			$question->setValidator(function ($value) use ($helper, $input, $output) {
+				$question = new Question($this->ask_user('CONFIRM_PASSWORD'));
+				$question->setHidden(true);
+				if ($helper->ask($input, $output, $question) != $value)
+				{
+					throw new runtime_exception($this->language->lang('NEW_PASSWORD_ERROR'));
+				}
+				return $value;
+			});
+			$question->setHidden(true);
+			$question->setMaxAttempts(5);
+
+			$this->data['new_password'] = $helper->ask($input, $output, $question);
+		}
+
+		if (!$this->data['email'])
+		{
+			$question = new Question($this->ask_user('EMAIL_ADDRESS'));
+			$this->data['email'] = $helper->ask($input, $output, $question);
+		}
+	}
+
+	/**
+	 * Validate the submitted user data
+	 *
+	 * @throws runtime_exception if any data fails validation
+	 * @return null
+	 */
+	protected function validate_user_data()
+	{
+		if (!function_exists('validate_data'))
+		{
+			require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
+		}
+
+		$error = validate_data($this->data, array(
+			'username'     => array(
+				array('string', false, $this->config['min_name_chars'], $this->config['max_name_chars']),
+				array('username', '')),
+			'new_password' => array(
+				array('string', false, $this->config['min_pass_chars'], $this->config['max_pass_chars']),
+				array('password')),
+			'email'        => array(
+				array('string', false, 6, 60),
+				array('user_email')),
+		));
+
+		if ($error)
+		{
+			throw new runtime_exception(implode("\n", array_map(array($this->language, 'lang'), $error)));
+		}
+	}
+
+	/**
+	 * Get the group id
+	 *
+	 * Go and find in the database the group_id corresponding to 'REGISTERED'
+	 *
+	 * @throws runtime_exception if the group id does not exist in database.
+	 * @return null
+	 */
+	protected function get_group_id()
+	{
+		$sql = 'SELECT group_id
+			FROM ' . GROUPS_TABLE . "
+			WHERE group_name = '" . $this->db->sql_escape('REGISTERED') . "'
+				AND group_type = " . GROUP_SPECIAL;
+		$result = $this->db->sql_query($sql);
+		$row = $this->db->sql_fetchrow($result);
+		$this->db->sql_freeresult($result);
+
+		if (!$row || !$row['group_id'])
+		{
+			throw new runtime_exception($this->language->lang('NO_GROUP'));
+		}
+
+		return $row['group_id'];
+	}
+
+	/**
+	 * Send account activation email
+	 *
+	 * @param int   $user_id The new user's id
+	 * @return null
+	 */
+	protected function send_activation_email($user_id)
+	{
+		switch ($this->config['require_activation'])
+		{
+			case USER_ACTIVATION_SELF:
+				$email_template = 'user_welcome_inactive';
+				$user_actkey = gen_rand_string(mt_rand(6, 10));
+			break;
+			case USER_ACTIVATION_ADMIN:
+				$email_template = 'admin_welcome_inactive';
+				$user_actkey = gen_rand_string(mt_rand(6, 10));
+			break;
+			default:
+				$email_template = 'user_welcome';
+				$user_actkey = '';
+			break;
+		}
+
+		if (!class_exists('messenger'))
+		{
+			require($this->phpbb_root_path . 'includes/functions_messenger.' . $this->php_ext);
+		}
+
+		$messenger = new \messenger(false);
+		$messenger->template($email_template, $this->user->lang_name);
+		$messenger->to($this->data['email'], $this->data['username']);
+		$messenger->anti_abuse_headers($this->config, $this->user);
+		$messenger->assign_vars(array(
+			'WELCOME_MSG' => htmlspecialchars_decode($this->language->lang('WELCOME_SUBJECT', $this->config['sitename'])),
+			'USERNAME'    => htmlspecialchars_decode($this->data['username']),
+			'PASSWORD'    => htmlspecialchars_decode($this->data['new_password']),
+			'U_ACTIVATE'  => generate_board_url() . "/ucp.{$this->php_ext}?mode=activate&u=$user_id&k=$user_actkey")
+		);
+
+		$messenger->send(NOTIFY_EMAIL);
+	}
+
+	/**
+	 * Helper to translate questions to the user
+	 *
+	 * @param string $key The language key
+	 * @return string The language key translated with a colon and space appended
+	 */
+	protected function ask_user($key)
+	{
+		return $this->language->lang($key) . $this->language->lang('COLON') . ' ';
+	}
+}
diff --git a/phpBB/phpbb/console/command/user/delete.php b/phpBB/phpbb/console/command/user/delete.php
new file mode 100644
index 0000000000..8593541c1a
--- /dev/null
+++ b/phpBB/phpbb/console/command/user/delete.php
@@ -0,0 +1,170 @@
+<?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\console\command\user;
+
+use phpbb\console\command\command;
+use phpbb\db\driver\driver_interface;
+use phpbb\language\language;
+use phpbb\log\log_interface;
+use phpbb\user;
+use phpbb\user_loader;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class delete extends command
+{
+	/** @var driver_interface */
+	protected $db;
+
+	/** @var language */
+	protected $language;
+
+	/** @var log_interface */
+	protected $log;
+
+	/** @var user_loader */
+	protected $user_loader;
+
+	/**
+	 * phpBB root path
+	 *
+	 * @var string
+	 */
+	protected $phpbb_root_path;
+
+	/**
+	 * PHP extension.
+	 *
+	 * @var string
+	 */
+	protected $php_ext;
+
+	/**
+	 * Construct method
+	 *
+	 * @param user             $user
+	 * @param driver_interface $db
+	 * @param language         $language
+	 * @param log_interface    $log
+	 * @param user_loader      $user_loader
+	 * @param string           $phpbb_root_path
+	 * @param string           $php_ext
+	 */
+	public function __construct(user $user, driver_interface $db, language $language, log_interface $log, user_loader $user_loader, $phpbb_root_path, $php_ext)
+	{
+		$this->db = $db;
+		$this->language = $language;
+		$this->log = $log;
+		$this->user_loader = $user_loader;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+
+		$this->language->add_lang('acp/users');
+		parent::__construct($user);
+	}
+
+	/**
+	 * Sets the command name and description
+	 *
+	 * @return null
+	 */
+	protected function configure()
+	{
+		$this
+			->setName('user:delete')
+			->setDescription($this->language->lang('CLI_DESCRIPTION_USER_DELETE'))
+			->addArgument(
+				'username',
+				InputArgument::REQUIRED,
+				$this->language->lang('CLI_DESCRIPTION_USER_DELETE_USERNAME')
+			)
+			->addOption(
+				'delete-posts',
+				null,
+				InputOption::VALUE_NONE,
+				$this->language->lang('CLI_DESCRIPTION_USER_DELETE_OPTION_POSTS')
+			)
+		;
+	}
+
+	/**
+	 * Executes the command user:delete
+	 *
+	 * Deletes a user from the database. An option to delete the user's posts
+	 * is available, by default posts will be retained.
+	 *
+	 * @param InputInterface  $input  The input stream used to get the options
+	 * @param OutputInterface $output The output stream, used to print messages
+	 *
+	 * @return int 0 if all is well, 1 if any errors occurred
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$name = $input->getArgument('username');
+		$mode = ($input->getOption('delete-posts')) ? 'remove' : 'retain';
+
+		if ($name)
+		{
+			$io = new SymfonyStyle($input, $output);
+
+			$user_id  = $this->user_loader->load_user_by_username($name);
+			$user_row = $this->user_loader->get_user($user_id);
+
+			if ($user_row['user_id'] == ANONYMOUS)
+			{
+				$io->error($this->language->lang('NO_USER'));
+				return 1;
+			}
+
+			if (!function_exists('user_delete'))
+			{
+				require($this->phpbb_root_path . 'includes/functions_user.' . $this->php_ext);
+			}
+
+			user_delete($mode, $user_row['user_id'], $user_row['username']);
+
+			$this->log->add('admin', ANONYMOUS, '', 'LOG_USER_DELETED', false, array($user_row['username']));
+
+			$io->success($this->language->lang('USER_DELETED'));
+		}
+
+		return 0;
+	}
+
+	/**
+	 * Interacts with the user.
+	 * Confirm they really want to delete the account...last chance!
+	 *
+	 * @param InputInterface  $input  An InputInterface instance
+	 * @param OutputInterface $output An OutputInterface instance
+	 */
+	protected function interact(InputInterface $input, OutputInterface $output)
+	{
+		$helper = $this->getHelper('question');
+
+		$question = new ConfirmationQuestion(
+			$this->language->lang('CLI_USER_DELETE_CONFIRM', $input->getArgument('username')),
+			false
+		);
+
+		if (!$helper->ask($input, $output, $question))
+		{
+			$input->setArgument('username', false);
+		}
+	}
+}
diff --git a/phpBB/phpbb/console/command/user/reclean.php b/phpBB/phpbb/console/command/user/reclean.php
new file mode 100644
index 0000000000..1a89f13382
--- /dev/null
+++ b/phpBB/phpbb/console/command/user/reclean.php
@@ -0,0 +1,158 @@
+<?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\console\command\user;
+
+use phpbb\console\command\command;
+use phpbb\db\driver\driver_interface;
+use phpbb\language\language;
+use phpbb\user;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+class reclean extends command
+{
+	/** @var driver_interface */
+	protected $db;
+
+	/** @var language */
+	protected $language;
+
+	/** @var int A count of the number of re-cleaned user names */
+	protected $processed;
+
+	/** @var ProgressBar */
+	protected $progress;
+
+	/**
+	 * Construct method
+	 *
+	 * @param user             $user
+	 * @param driver_interface $db
+	 * @param language         $language
+	 */
+	public function __construct(user $user, driver_interface $db, language $language)
+	{
+		$this->db = $db;
+		$this->language = $language;
+
+		parent::__construct($user);
+	}
+
+	/**
+	 * Sets the command name and description
+	 *
+	 * @return null
+	 */
+	protected function configure()
+	{
+		$this
+			->setName('user:reclean')
+			->setDescription($this->language->lang('CLI_DESCRIPTION_USER_RECLEAN'))
+			->setHelp($this->language->lang('CLI_HELP_USER_RECLEAN'))
+		;
+	}
+
+	/**
+	 * Executes the command user:reclean
+	 *
+	 * Cleans user names that are unclean.
+	 *
+	 * @param InputInterface  $input  The input stream used to get the options
+	 * @param OutputInterface $output The output stream, used to print messages
+	 *
+	 * @return int 0 if all is well, 1 if any errors occurred
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output)
+	{
+		$io = new SymfonyStyle($input, $output);
+
+		$io->section($this->language->lang('CLI_USER_RECLEAN_START'));
+
+		$this->processed = 0;
+
+		$this->progress = $this->create_progress_bar($this->get_count(), $io, $output);
+		$this->progress->setMessage($this->language->lang('CLI_USER_RECLEAN_START'));
+		$this->progress->start();
+
+		$stage = 0;
+		while ($stage !== true)
+		{
+			$stage = $this->reclean_usernames($stage);
+		}
+
+		$this->progress->finish();
+
+		$io->newLine(2);
+		$io->success($this->language->lang('CLI_USER_RECLEAN_DONE', $this->processed));
+
+		return 0;
+	}
+
+	/**
+	 * Re-clean user names
+	 * Only user names that are unclean will be re-cleaned
+	 *
+	 * @param int $start An offset index
+	 * @return bool|int Return the next offset index or true if all records have been processed.
+	 */
+	protected function reclean_usernames($start = 0)
+	{
+		$limit = 500;
+		$i = 0;
+
+		$this->db->sql_transaction('begin');
+
+		$sql = 'SELECT user_id, username, username_clean FROM ' . USERS_TABLE;
+		$result = $this->db->sql_query_limit($sql, $limit, $start);
+		while ($row = $this->db->sql_fetchrow($result))
+		{
+			$i++;
+			$username_clean = $this->db->sql_escape(utf8_clean_string($row['username']));
+
+			if ($username_clean != $row['username_clean'])
+			{
+				$sql = 'UPDATE ' . USERS_TABLE . "
+					SET username_clean = '$username_clean'
+					WHERE user_id = {$row['user_id']}";
+				$this->db->sql_query($sql);
+
+				$this->processed++;
+			}
+
+			$this->progress->advance();
+		}
+		$this->db->sql_freeresult($result);
+
+		$this->db->sql_transaction('commit');
+
+		return ($i < $limit) ? true : $start + $i;
+	}
+
+	/**
+	 * Get the count of users in the database
+	 *
+	 * @return int
+	 */
+	protected function get_count()
+	{
+		$sql = 'SELECT COUNT(user_id) AS count FROM ' . USERS_TABLE;
+		$result = $this->db->sql_query($sql);
+		$count = (int) $this->db->sql_fetchfield('count');
+		$this->db->sql_freeresult($result);
+
+		return $count;
+	}
+}