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<?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\routing;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Routing\RequestContext;
/**
* Controller helper class, contains methods that do things for controllers
*/
class helper
{
    /**
     * config object
     * @var \phpbb\config\config
     */
    protected $config;
    /**
     * phpBB router
     * @var \phpbb\routing\router
     */
    protected $router;
    /**
     * @var \phpbb\symfony_request
     */
    protected $symfony_request;
    /**
     * @var \phpbb\request\request_interface
     */
    protected $request;
    /**
     * @var \phpbb\filesystem The filesystem object
     */
    protected $filesystem;
    /**
     * phpBB root path
     * @var string
     */
    protected $phpbb_root_path;
    /**
     * PHP file extension
     * @var string
     */
    protected $php_ext;
    /**
     * Constructor
     *
     * @param \phpbb\config\config $config Config object
     * @param \phpbb\routing\router $router phpBB router
     * @param \phpbb\symfony_request $symfony_request Symfony Request object
     * @param \phpbb\request\request_interface $request phpBB request object
     * @param \phpbb\filesystem\filesystem $filesystem The filesystem object
     * @param string $phpbb_root_path phpBB root path
     * @param string $php_ext PHP file extension
     */
    public function __construct(\phpbb\config\config $config, \phpbb\routing\router $router, \phpbb\symfony_request $symfony_request, \phpbb\request\request_interface $request, \phpbb\filesystem\filesystem $filesystem, $phpbb_root_path, $php_ext)
    {
        $this->config = $config;
        $this->router = $router;
        $this->symfony_request = $symfony_request;
        $this->request = $request;
        $this->filesystem = $filesystem;
        $this->phpbb_root_path = $phpbb_root_path;
        $this->php_ext = $php_ext;
    }
    /**
     * Generate a URL to a route
     *
     * @param string    $route        Name of the route to travel
     * @param array    $params        String or array of additional url parameters
     * @param bool    $is_amp        Is url using &amp; (true) or & (false)
     * @param string|bool        $session_id    Possibility to use a custom session id instead of the global one
     * @param bool|string        $reference_type The type of reference to be generated (one of the constants)
     * @return string The URL already passed through append_sid()
     */
    public function route($route, array $params = array(), $is_amp = true, $session_id = false, $reference_type = UrlGeneratorInterface::ABSOLUTE_PATH)
    {
        $anchor = '';
        if (isset($params['#']))
        {
            $anchor = '#' . $params['#'];
            unset($params['#']);
        }
        $context = new RequestContext();
        $context->fromRequest($this->symfony_request);
        if ($this->config['force_server_vars'])
        {
            $context->setHost($this->config['server_name']);
            $context->setScheme(substr($this->config['server_protocol'], 0, -3));
            $context->setHttpPort($this->config['server_port']);
            $context->setHttpsPort($this->config['server_port']);
            $context->setBaseUrl(rtrim($this->config['script_path'], '/'));
        }
        $script_name = $this->symfony_request->getScriptName();
        $page_name = substr($script_name, -1, 1) == '/' ? '' : utf8_basename($script_name);
        $base_url = $context->getBaseUrl();
        // Append page name if base URL does not contain it
        if (!empty($page_name) && strpos($base_url, '/' . $page_name) === false)
        {
            $base_url .= '/' . $page_name;
        }
        // If enable_mod_rewrite is false we need to replace the current front-end by app.php, otherwise we need to remove it.
        $base_url = str_replace('/' . $page_name, empty($this->config['enable_mod_rewrite']) ? '/app.' . $this->php_ext : '', $base_url);
        // We need to update the base url to move to the directory of the app.php file if the current script is not app.php
        if ($page_name !== 'app.php' && !$this->config['force_server_vars'])
        {
            if (empty($this->config['enable_mod_rewrite']))
            {
                $base_url = str_replace('/app.' . $this->php_ext, '/' . $this->phpbb_root_path . 'app.' . $this->php_ext, $base_url);
            }
            else
            {
                $base_url .= preg_replace(get_preg_expression('path_remove_dot_trailing_slash'), '$2', $this->phpbb_root_path);
            }
        }
        $base_url = $this->request->escape($this->filesystem->clean_path($base_url), true);
        $context->setBaseUrl($base_url);
        $this->router->setContext($context);
        $route_url = $this->router->generate($route, $params, $reference_type);
        if ($is_amp)
        {
            $route_url = str_replace(array('&amp;', '&'), array('&', '&amp;'), $route_url);
        }
        if ($reference_type === UrlGeneratorInterface::RELATIVE_PATH && empty($this->config['enable_mod_rewrite']))
        {
            $route_url = 'app.' . $this->php_ext . '/' . $route_url;
        }
        return append_sid($route_url . $anchor, false, $is_amp, $session_id, true);
    }
}