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https://github.com/kamilwylegala/cakephp2-php8.git
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fc0854e397
Revision: [2287] Merging changes from model_php4.php Revision: [2286] Added serialized object data to the cached file. Instances of the view helpers are available in the views now. You also have access to the Controller::<component>, example $this->controller->Session; Revision: [2285] Adding Controller::postConditions() to convert a POST'ed data array to a Model conditions array Revision: [2284] Adding Model::invalidate() and refactoring Model::invalidFields(). Adding a fix for RequestHandler::accepts() git-svn-id: https://svn.cakephp.org/repo/trunk/cake@2288 3807eeeb-6ff5-0310-8944-8be069107fe0
439 lines
No EOL
11 KiB
PHP
439 lines
No EOL
11 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Request object for handling alternative HTTP requests
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*
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* Alternative HTTP requests can come from wireless units like mobile phones, palmtop computers, and the like.
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* These units have no use for Ajax requests, and this Component can tell how Cake should respond to the different
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* needs of a handheld computer and a desktop machine.
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*
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* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright (c) 2006, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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* @since CakePHP v 0.10.4.1076
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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if (!defined('REQUEST_MOBILE_UA'))
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{
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define('REQUEST_MOBILE_UA', '[AvantGo|BlackBerry|DoCoMo|NetFront|Nokia|PalmOS|PalmSource|portalmmm|Plucker|ReqwirelessWeb|SonyEricsson|Symbian|UP\.Browser|Windows CE|Xiino]');
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}
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/**
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* Request object for handling alternative HTTP requests
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*
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* @package cake
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* @subpackage cake.cake.libs.controller.components
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* @since CakePHP v 0.10.0.1839
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*
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*/
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class RequestHandlerComponent extends Object
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{
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var $controller = true;
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var $ajaxLayout = 'ajax';
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var $disableStartup = false;
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var $__requestContent = array(
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'js' => 'text/javascript',
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'css' => 'text/css',
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'html' => 'text/html',
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'form' => 'application/x-www-form-urlencoded',
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'file' => 'multipart/form-data',
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'xhtml' => array('application/xhtml+xml', 'application/xhtml', 'text/xhtml'),
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'xml' => array('application/xml', 'text/xml'),
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'rss' => 'application/rss+xml',
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'atom' => 'application/atom+xml'
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);
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var $__acceptTypes = array();
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function __construct()
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{
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$this->__acceptTypes = explode(',', env('HTTP_ACCEPT'));
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foreach ($this->__acceptTypes as $i => $type)
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{
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if (strpos($type, ';'))
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{
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$type = explode(';', $type);
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$this->__acceptTypes[$i] = $type[0];
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}
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}
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parent::__construct();
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}
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/**
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* Startup
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*
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* @param object A reference to the controller
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* @return null
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*/
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function startup(&$controller)
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{
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if ($this->disableStartup)
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{
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return;
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}
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$this->setAjax($controller);
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}
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/**
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* Sets a controller's layout based on whether or not the current call is Ajax
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*
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* @param object The controller object
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* @return null
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*/
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function setAjax(&$controller)
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{
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if ($this->isAjax())
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{
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$controller->layout = $this->ajaxLayout;
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// Add UTF-8 header for IE6 on XPsp2 bug
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header('Content-Type: text/html; charset=UTF-8');
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}
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}
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/**
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* Returns true if the current call is from Ajax, false otherwise
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*
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* @return bool True if call is Ajax
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*/
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function isAjax()
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{
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if(env('HTTP_X_REQUESTED_WITH') != null)
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{
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return env('HTTP_X_REQUESTED_WITH') == "XMLHttpRequest";
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}
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else
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{
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return false;
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}
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}
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/**
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* Returns true if the current call accepts an XML response, false otherwise
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*
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* @return bool True if client accepts an XML response
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*/
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function isXml()
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{
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return $this->accepts('xml');
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}
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/**
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* Returns true if the current call accepts an RSS response, false otherwise
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*
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* @return bool True if client accepts an RSS response
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*/
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function isRss()
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{
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return $this->accepts('rss');
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}
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/**
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* Returns true if the current call accepts an RSS response, false otherwise
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*
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* @return bool True if client accepts an RSS response
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*/
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function isAtom()
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{
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return $this->accepts('atom');
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}
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/**
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* Returns true if the current call a POST request
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*
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* @return bool True if call is a POST
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*/
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function isPost()
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{
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return (low(env('REQUEST_METHOD')) == 'post');
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}
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/**
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* Returns true if the current call a PUT request
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*
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* @return bool True if call is a PUT
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*/
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function isPut()
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{
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return (low(env('REQUEST_METHOD')) == 'put');
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}
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/**
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* Returns true if the current call a GET request
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*
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* @return bool True if call is a GET
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*/
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function isGet()
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{
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return (low(env('REQUEST_METHOD')) == 'get');
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}
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/**
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* Returns true if the current call a DELETE request
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*
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* @return bool True if call is a DELETE
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*/
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function isDelete()
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{
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return (low(env('REQUEST_METHOD')) == 'delete');
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}
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/**
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* Gets Prototype version if call is Ajax, otherwise empty string.
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* The Prototype library sets a special "Prototype version" HTTP header.
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*
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* @return string Prototype version of component making Ajax call
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*/
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function getAjaxVersion() {
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if (env('HTTP_X_PROTOTYPE_VERSION') != null)
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{
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return env('HTTP_X_PROTOTYPE_VERSION');
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}
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return false;
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}
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/**
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* Adds/sets the Content-type(s) for the given name
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*
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* @param string $name The name of the Content-type, i.e. "html", "xml", "css"
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* @param mixed $type The Content-type or array of Content-types assigned to the name
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* @return void
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*/
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function setContent($name, $type)
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{
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$this->__requestContent[$name] = $type;
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}
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/**
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* Gets the server name from which this request was referred
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*
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* @return string Server address
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*/
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function getReferrer ()
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{
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if (env('HTTP_HOST') != null) {
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$sess_host = env('HTTP_HOST');
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}
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if (env('HTTP_X_FORWARDED_HOST') != null)
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{
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$sess_host = env('HTTP_X_FORWARDED_HOST');
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}
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return trim(preg_replace('/:.*/', '', $sess_host));
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}
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/**
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* Gets remote client IP
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*
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* @return string Client IP address
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*/
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function getClientIP ()
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{
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if (env('HTTP_X_FORWARDED_FOR') != null)
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{
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$ipaddr = preg_replace('/,.*/', '', env('HTTP_X_FORWARDED_FOR'));
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}
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else
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{
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if (env('HTTP_CLIENT_IP') != null)
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{
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$ipaddr = env('HTTP_CLIENT_IP');
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}
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else
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{
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$ipaddr = env('REMOTE_ADDR');
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}
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}
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if (env('HTTP_CLIENTADDRESS') != null)
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{
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$tmpipaddr = env('HTTP_CLIENTADDRESS');
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if (!empty($tmpipaddr))
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{
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$ipaddr = preg_replace('/,.*/', '', $tmpipaddr);
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}
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}
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return trim($ipaddr);
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}
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/**
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* Returns true if user agent string matches a mobile web browser
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*
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* @return bool True if user agent is a mobile web browser
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*/
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function isMobile()
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{
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return (preg_match('/'.REQUEST_MOBILE_UA.'/i', env('HTTP_USER_AGENT')) > 0);
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}
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/**
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* Strips extra whitespace from output
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*
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* @param string $str
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*/
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function stripWhitespace($str)
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{
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$r = preg_replace('/[\n\r\t]+/', '', $str);
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return preg_replace('/\s{2,}/', ' ', $r);
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}
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/**
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* Strips image tags from output
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*
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* @param string $str
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*/
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function stripImages($str)
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{
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$str = preg_replace('/(<a[^>]*>)(<img[^>]+alt=")([^"]*)("[^>]*>)(<\/a>)/i', '$1$3$5<br />', $str);
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$str = preg_replace('/(<img[^>]+alt=")([^"]*)("[^>]*>)/i', '$2<br />', $str);
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$str = preg_replace('/<img[^>]*>/i', '', $str);
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return $str;
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}
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/**
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* Strips scripts and stylesheets from output
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*
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* @param string $str
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*/
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function stripScripts($str)
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{
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return preg_replace('/(<link[^>]+rel="[^"]*stylesheet"[^>]*>|<img[^>]*>|style="[^"]*")|<script[^>]*>.*?<\/script>|<style[^>]*>.*?<\/style>|<!--.*?-->/i', '', $str);
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}
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/**
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* Strips extra whitespace, images, scripts and stylesheets from output
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*
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* @param string $str
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*/
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function stripAll($str) {
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$str = $this->stripWhitespace($str);
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$str = $this->stripImages($str);
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$str = $this->stripScripts($str);
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return $str;
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}
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/**
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* Strips the specified tags from output
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*
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* @param string $str
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* @param string $tag
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* @param string $tag
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* @param string ...
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*/
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function stripTags()
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{
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$params = params(func_get_args());
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$str = $params[0];
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for($i = 1; $i < count($params); $i++) {
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$str = preg_replace('/<' . $params[$i] . '[^>]*>/i', '', $str);
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$str = preg_replace('/<\/' . $params[$i] . '[^>]*>/i', '', $str);
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}
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return $str;
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}
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/**
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* Determines which content types the client accepts
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*
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* @param mixed $type Can be null (or no parameter), a string type name, or an
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* array of types
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* @returns mixed If null or no parameter is passed, returns an array of content
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* types the client accepts. If a string is passed, returns true
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* if the client accepts it. If an array is passed, returns true
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* if the client accepts one or more elements in the array.
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* @access public
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*/
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function accepts($type = null)
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{
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if ($type == null)
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{
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return $this->__acceptTypes;
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}
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else if (is_array($type))
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{
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foreach($type as $t)
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{
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if ($this->accepts($t) == true)
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{
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return true;
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}
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}
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return false;
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}
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else if (is_string($type))
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{
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// If client only accepts */*, then assume default HTML browser
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if ($type == 'html' && $this->__acceptTypes === array('*/*'))
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{
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return true;
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}
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if (!in_array($type, array_keys($this->__requestContent)))
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{
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return false;
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}
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$content = $this->__requestContent[$type];
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if (is_array($content))
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{
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foreach($content as $c)
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{
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if (in_array($c, $this->__acceptTypes))
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{
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return true;
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}
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}
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}
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else
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{
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if (in_array($content, $this->__acceptTypes))
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{
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return true;
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}
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}
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}
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}
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/**
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* Determines which content types the client prefers
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*
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* @param mixed $type
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* @returns mixed
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* @access public
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*/
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function prefers($type = null)
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{
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if ($type == null)
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{
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return $this->accepts(null);
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}
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}
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}
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?>
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