class.tx_pagepath_api.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2008-2014 Dmitry Dulepov <dmitry@typo3.org>
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

/**
 * This class create frontend page address from the page id value and parameters.
 *
 * @author	Dmitry Dulepov <dmitry@typo3.org>
 * @package	TYPO3
 * @subpackage	tx_pagepath
 */
class tx_pagepath_api {

	/**
	 * Creates URL to page using page id and parameters
	 *
	 * @param int $pageId
	 * @param string $parameters
	 * @return	string	Path to page or empty string
	 */
	static public function getPagePath($pageId, $parameters = '') {
		if (is_array($parameters)) {
			$parameters = t3lib_div::implodeArrayForUrl('', $parameters);
		}
		$data = array(
			'id' => intval($pageId),
		);
		if ($parameters != '' && $parameters{0} == '&') {
			$data['parameters'] = $parameters;
		}
		$siteUrl = self::getSiteUrl($pageId);
		if ($siteUrl) {
			$url = $siteUrl . 'index.php?eID=pagepath&data=' . base64_encode(serialize($data));
			// Send TYPO3 cookies as this may affect path generation
			$headers = array(
				'Cookie: fe_typo_user=' . $_COOKIE['fe_typo_user']
			);
			$result = t3lib_div::getURL($url, false, $headers);
			$urlParts = parse_url($result);
			if (!is_array($urlParts)) {
				// filter_var is too strict (for example, underscore characters make it fail). So we use parse_url here for a quick check.
				$result = '';
			}
			elseif ($result) {
				// See if we need to prepend domain part
				if ($urlParts['host'] == '') {
					$result = rtrim($siteUrl, '/') .  '/' . ltrim($result, '/');
				}
			}
		}
		else {
			$result = '';
		}

		return $result;
	}

	/**
	 * Obtains site URL.
	 *
	 * @static
	 * @param int $pageId
	 * @return string
	 */
	static protected function getSiteUrl($pageId) {
		$domain = t3lib_BEfunc::firstDomainRecord(t3lib_BEfunc::BEgetRootLine($pageId));
		$pageRecord = t3lib_BEfunc::getRecord('pages', $pageId);
		$scheme = is_array($pageRecord) && isset($pageRecord['url_scheme']) && $pageRecord['url_scheme'] == t3lib_utility_Http::SCHEME_HTTPS ? 'https' : 'http';
		return $domain ? $scheme . '://' . $domain . '/' : t3lib_div::getIndpEnv('TYPO3_SITE_URL');
	}
}

/** @noinspection PhpUndefinedVariableInspection */
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/pagepath/class.tx_pagepath_api.php']) {
	/** @noinspection PhpIncludeInspection */
	include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/pagepath/class.tx_pagepath_api.php']);
}