<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_View

 * @subpackage Helper

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: ServerUrl.php 23371 2010-11-18 20:49:55Z bittarman $

 */

/**

 * Helper for returning the current server URL (optionally with request URI)

 *

 * @category   Zend

 * @package    Zend_View

 * @subpackage Helper

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_View_Helper_ServerUrl

{

    /**

     * Scheme

     *

     * @var string

     */

    protected $_scheme;

    /**

     * Host (including port)

     *

     * @var string

     */

    protected $_host;

    /**

     * Constructor

     *

     * @return void

     */

    public function __construct()

    {

        switch (true) {

            case (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] === true)):

            case (isset($_SERVER['HTTP_SCHEME']) && ($_SERVER['HTTP_SCHEME'] == 'https')):

            case (isset($_SERVER['SERVER_PORT']) && ($_SERVER['SERVER_PORT'] == 443)):

                $scheme = 'https';

                break;

            default:

            $scheme = 'http';   

        }

        $this->setScheme($scheme);

        if (isset($_SERVER['HTTP_HOST']) && !empty($_SERVER['HTTP_HOST'])) {

            $this->setHost($_SERVER['HTTP_HOST']);

        } else if (isset($_SERVER['SERVER_NAME'], $_SERVER['SERVER_PORT'])) {

            $name = $_SERVER['SERVER_NAME'];

            $port = $_SERVER['SERVER_PORT'];

            if (($scheme == 'http' && $port == 80) ||

                ($scheme == 'https' && $port == 443)) {

                $this->setHost($name);

            } else {

                $this->setHost($name . ':' . $port);

            }

        }

    }

    /**

     * View helper entry point:

     * Returns the current host's URL like http://site.com

     *

     * @param  string|boolean $requestUri  [optional] if true, the request URI

     *                                     found in $_SERVER will be appended

     *                                     as a path. If a string is given, it

     *                                     will be appended as a path. Default

     *                                     is to not append any path.

     * @return string                      server url

     */

    public function serverUrl($requestUri = null)

    {

        if ($requestUri === true) {

            $path = $_SERVER['REQUEST_URI'];

        } else if (is_string($requestUri)) {

            $path = $requestUri;

        } else {

            $path = '';

        }

        return $this->getScheme() . '://' . $this->getHost() . $path;

    }

    /**

     * Returns host

     *

     * @return string  host

     */

    public function getHost()

    {

        return $this->_host;

    }

    /**

     * Sets host

     *

     * @param  string $host                new host

     * @return Zend_View_Helper_ServerUrl  fluent interface, returns self

     */

    public function setHost($host)

    {

        $this->_host = $host;

        return $this;

    }

    /**

     * Returns scheme (typically http or https)

     *

     * @return string  scheme (typically http or https)

     */

    public function getScheme()

    {

        return $this->_scheme;

    }

    /**

     * Sets scheme (typically http or https)

     *

     * @param  string $scheme              new scheme (typically http or https)

     * @return Zend_View_Helper_ServerUrl  fluent interface, returns self

     */

    public function setScheme($scheme)

    {

        $this->_scheme = $scheme;

        return $this;

    }

}