mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 03:18:26 +00:00
1155 lines
33 KiB
PHP
1155 lines
33 KiB
PHP
<?php
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/**
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* CakeRequest
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*
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since CakePHP(tm) v 2.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('Hash', 'Utility');
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/**
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* A class that helps wrap Request information and particulars about a single request.
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* Provides methods commonly used to introspect on the request headers and request body.
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*
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* Has both an Array and Object interface. You can access framework parameters using indexes:
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*
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* `$request['controller']` or `$request->controller`.
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*
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* @property string $plugin The plugin handling the request. Will be `null` when there is no plugin.
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* @property string $controller The controller handling the current request.
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* @property string $action The action handling the current request.
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* @property array $named Array of named parameters parsed from the URL.
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* @property array $pass Array of passed arguments parsed from the URL.
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* @package Cake.Network
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*/
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class CakeRequest implements ArrayAccess {
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/**
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* Array of parameters parsed from the URL.
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*
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* @var array
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*/
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public $params = array(
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'plugin' => null,
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'controller' => null,
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'action' => null,
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'named' => array(),
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'pass' => array(),
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);
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/**
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* Array of POST data. Will contain form data as well as uploaded files.
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* Inputs prefixed with 'data' will have the data prefix removed. If there is
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* overlap between an input prefixed with data and one without, the 'data' prefixed
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* value will take precedence.
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*
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* @var array
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*/
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public $data = array();
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/**
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* Array of querystring arguments
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*
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* @var array
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*/
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public $query = array();
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/**
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* The URL string used for the request.
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*
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* @var string
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*/
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public $url;
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/**
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* Base URL path.
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*
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* @var string
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*/
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public $base = false;
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/**
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* webroot path segment for the request.
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*
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* @var string
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*/
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public $webroot = '/';
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/**
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* The full address to the current request
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*
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* @var string
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*/
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public $here = null;
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/**
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* The built in detectors used with `is()` can be modified with `addDetector()`.
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*
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* There are several ways to specify a detector, see CakeRequest::addDetector() for the
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* various formats and ways to define detectors.
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*
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* @var array
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*/
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protected $_detectors = array(
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'get' => array('env' => 'REQUEST_METHOD', 'value' => 'GET'),
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'patch' => array('env' => 'REQUEST_METHOD', 'value' => 'PATCH'),
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'post' => array('env' => 'REQUEST_METHOD', 'value' => 'POST'),
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'put' => array('env' => 'REQUEST_METHOD', 'value' => 'PUT'),
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'delete' => array('env' => 'REQUEST_METHOD', 'value' => 'DELETE'),
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'head' => array('env' => 'REQUEST_METHOD', 'value' => 'HEAD'),
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'options' => array('env' => 'REQUEST_METHOD', 'value' => 'OPTIONS'),
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'ssl' => array('env' => 'HTTPS', 'value' => 1),
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'ajax' => array('env' => 'HTTP_X_REQUESTED_WITH', 'value' => 'XMLHttpRequest'),
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'flash' => array('env' => 'HTTP_USER_AGENT', 'pattern' => '/^(Shockwave|Adobe) Flash/'),
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'mobile' => array('env' => 'HTTP_USER_AGENT', 'options' => array(
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'Android', 'AvantGo', 'BB10', 'BlackBerry', 'DoCoMo', 'Fennec', 'iPod', 'iPhone', 'iPad',
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'J2ME', 'MIDP', 'NetFront', 'Nokia', 'Opera Mini', 'Opera Mobi', 'PalmOS', 'PalmSource',
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'portalmmm', 'Plucker', 'ReqwirelessWeb', 'SonyEricsson', 'Symbian', 'UP\\.Browser',
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'webOS', 'Windows CE', 'Windows Phone OS', 'Xiino'
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)),
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'requested' => array('param' => 'requested', 'value' => 1),
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'json' => array('accept' => array('application/json'), 'param' => 'ext', 'value' => 'json'),
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'xml' => array('accept' => array('application/xml', 'text/xml'), 'param' => 'ext', 'value' => 'xml'),
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);
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/**
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* Copy of php://input. Since this stream can only be read once in most SAPI's
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* keep a copy of it so users don't need to know about that detail.
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*
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* @var string
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*/
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protected $_input = '';
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/**
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* Constructor
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*
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* @param string $url Trimmed URL string to use. Should not contain the application base path.
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* @param bool $parseEnvironment Set to false to not auto parse the environment. ie. GET, POST and FILES.
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*/
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public function __construct($url = null, $parseEnvironment = true) {
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$this->_base();
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if (empty($url)) {
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$url = $this->_url();
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}
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if ($url[0] === '/') {
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$url = substr($url, 1);
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}
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$this->url = $url;
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if ($parseEnvironment) {
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$this->_processPost();
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$this->_processGet();
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$this->_processFiles();
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}
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$this->here = $this->base . '/' . $this->url;
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}
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/**
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* process the post data and set what is there into the object.
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* processed data is available at `$this->data`
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*
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* Will merge POST vars prefixed with `data`, and ones without
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* into a single array. Variables prefixed with `data` will overwrite those without.
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*
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* If you have mixed POST values be careful not to make any top level keys numeric
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* containing arrays. Hash::merge() is used to merge data, and it has possibly
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* unexpected behavior in this situation.
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*
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* @return void
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*/
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protected function _processPost() {
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if ($_POST) {
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$this->data = $_POST;
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} elseif (($this->is('put') || $this->is('delete')) &&
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strpos($this->contentType(), 'application/x-www-form-urlencoded') === 0
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) {
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$data = $this->_readInput();
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parse_str($data, $this->data);
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}
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if (ini_get('magic_quotes_gpc') === '1') {
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$this->data = stripslashes_deep($this->data);
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}
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$override = null;
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if (env('HTTP_X_HTTP_METHOD_OVERRIDE')) {
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$this->data['_method'] = env('HTTP_X_HTTP_METHOD_OVERRIDE');
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$override = $this->data['_method'];
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}
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$isArray = is_array($this->data);
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if ($isArray && isset($this->data['_method'])) {
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if (!empty($_SERVER)) {
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$_SERVER['REQUEST_METHOD'] = $this->data['_method'];
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} else {
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$_ENV['REQUEST_METHOD'] = $this->data['_method'];
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}
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$override = $this->data['_method'];
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unset($this->data['_method']);
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}
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if ($override && !in_array($override, array('POST', 'PUT', 'PATCH', 'DELETE'))) {
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$this->data = array();
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}
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if ($isArray && isset($this->data['data'])) {
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$data = $this->data['data'];
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if (count($this->data) <= 1) {
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$this->data = $data;
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} else {
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unset($this->data['data']);
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$this->data = Hash::merge($this->data, $data);
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}
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}
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}
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/**
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* Process the GET parameters and move things into the object.
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*
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* @return void
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*/
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protected function _processGet() {
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if (ini_get('magic_quotes_gpc') === '1') {
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$query = stripslashes_deep($_GET);
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} else {
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$query = $_GET;
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}
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$unsetUrl = '/' . str_replace(array('.', ' '), '_', urldecode($this->url));
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unset($query[$unsetUrl]);
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unset($query[$this->base . $unsetUrl]);
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if (strpos($this->url, '?') !== false) {
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list($this->url, $querystr) = explode('?', $this->url);
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parse_str($querystr, $queryArgs);
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$query += $queryArgs;
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}
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if (isset($this->params['url'])) {
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$query = array_merge($this->params['url'], $query);
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}
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$this->query = $query;
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}
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/**
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* Get the request uri. Looks in PATH_INFO first, as this is the exact value we need prepared
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* by PHP. Following that, REQUEST_URI, PHP_SELF, HTTP_X_REWRITE_URL and argv are checked in that order.
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* Each of these server variables have the base path, and query strings stripped off
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*
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* @return string URI The CakePHP request path that is being accessed.
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*/
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protected function _url() {
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$uri = '';
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if (!empty($_SERVER['PATH_INFO'])) {
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return $_SERVER['PATH_INFO'];
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} elseif (isset($_SERVER['REQUEST_URI']) && strpos($_SERVER['REQUEST_URI'], '://') === false) {
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$uri = $_SERVER['REQUEST_URI'];
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} elseif (isset($_SERVER['REQUEST_URI'])) {
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$qPosition = strpos($_SERVER['REQUEST_URI'], '?');
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if ($qPosition !== false && strpos($_SERVER['REQUEST_URI'], '://') > $qPosition) {
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$uri = $_SERVER['REQUEST_URI'];
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} else {
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$uri = substr($_SERVER['REQUEST_URI'], strlen(Configure::read('App.fullBaseUrl')));
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}
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} elseif (isset($_SERVER['PHP_SELF']) && isset($_SERVER['SCRIPT_NAME'])) {
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$uri = str_replace($_SERVER['SCRIPT_NAME'], '', $_SERVER['PHP_SELF']);
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} elseif (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
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$uri = $_SERVER['HTTP_X_REWRITE_URL'];
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} elseif ($var = env('argv')) {
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$uri = $var[0];
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}
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$base = $this->base;
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if (strlen($base) > 0 && strpos($uri, $base) === 0) {
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$uri = substr($uri, strlen($base));
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}
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if (strpos($uri, '?') !== false) {
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list($uri) = explode('?', $uri, 2);
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}
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if (empty($uri) || $uri === '/' || $uri === '//' || $uri === '/index.php') {
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$uri = '/';
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}
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$endsWithIndex = '/webroot/index.php';
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$endsWithLength = strlen($endsWithIndex);
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if (strlen($uri) >= $endsWithLength &&
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substr($uri, -$endsWithLength) === $endsWithIndex
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) {
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$uri = '/';
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}
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return $uri;
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}
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/**
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* Returns a base URL and sets the proper webroot
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*
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* If CakePHP is called with index.php in the URL even though
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* URL Rewriting is activated (and thus not needed) it swallows
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* the unnecessary part from $base to prevent issue #3318.
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*
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* @return string Base URL
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*/
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protected function _base() {
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$dir = $webroot = null;
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$config = Configure::read('App');
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extract($config);
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if (!isset($base)) {
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$base = $this->base;
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}
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if ($base !== false) {
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$this->webroot = $base . '/';
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return $this->base = $base;
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}
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if (empty($baseUrl)) {
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$base = dirname(env('PHP_SELF'));
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// Clean up additional / which cause following code to fail..
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$base = preg_replace('#/+#', '/', $base);
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$indexPos = strpos($base, '/webroot/index.php');
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if ($indexPos !== false) {
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$base = substr($base, 0, $indexPos) . '/webroot';
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}
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if ($webroot === 'webroot' && $webroot === basename($base)) {
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$base = dirname($base);
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}
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if ($dir === 'app' && $dir === basename($base)) {
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$base = dirname($base);
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}
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if ($base === DS || $base === '.') {
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$base = '';
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}
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$base = implode('/', array_map('rawurlencode', explode('/', $base)));
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$this->webroot = $base . '/';
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return $this->base = $base;
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}
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$file = '/' . basename($baseUrl);
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$base = dirname($baseUrl);
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if ($base === DS || $base === '.') {
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$base = '';
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}
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$this->webroot = $base . '/';
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$docRoot = env('DOCUMENT_ROOT');
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$docRootContainsWebroot = strpos($docRoot, $dir . DS . $webroot);
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if (!empty($base) || !$docRootContainsWebroot) {
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if (strpos($this->webroot, '/' . $dir . '/') === false) {
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$this->webroot .= $dir . '/';
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}
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if (strpos($this->webroot, '/' . $webroot . '/') === false) {
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$this->webroot .= $webroot . '/';
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}
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}
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return $this->base = $base . $file;
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}
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/**
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* Process $_FILES and move things into the object.
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*
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* @return void
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*/
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protected function _processFiles() {
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if (isset($_FILES) && is_array($_FILES)) {
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foreach ($_FILES as $name => $data) {
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if ($name !== 'data') {
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$this->params['form'][$name] = $data;
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}
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}
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}
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if (isset($_FILES['data'])) {
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foreach ($_FILES['data'] as $key => $data) {
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$this->_processFileData('', $data, $key);
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}
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}
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}
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/**
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* Recursively walks the FILES array restructuring the data
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* into something sane and useable.
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*
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* @param string $path The dot separated path to insert $data into.
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* @param array $data The data to traverse/insert.
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* @param string $field The terminal field name, which is the top level key in $_FILES.
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* @return void
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*/
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protected function _processFileData($path, $data, $field) {
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foreach ($data as $key => $fields) {
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$newPath = $key;
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if (strlen($path) > 0) {
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$newPath = $path . '.' . $key;
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}
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if (is_array($fields)) {
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$this->_processFileData($newPath, $fields, $field);
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} else {
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$newPath .= '.' . $field;
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$this->data = Hash::insert($this->data, $newPath, $fields);
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}
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}
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}
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/**
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* Get the content type used in this request.
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*
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* @return string
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*/
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public function contentType() {
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$type = env('CONTENT_TYPE');
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if ($type) {
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return $type;
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}
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return env('HTTP_CONTENT_TYPE');
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}
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/**
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* Get the IP the client is using, or says they are using.
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*
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* @param bool $safe Use safe = false when you think the user might manipulate their HTTP_CLIENT_IP
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* header. Setting $safe = false will also look at HTTP_X_FORWARDED_FOR
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* @return string The client IP.
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*/
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public function clientIp($safe = true) {
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if (!$safe && env('HTTP_X_FORWARDED_FOR')) {
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$ipaddr = preg_replace('/(?:,.*)/', '', env('HTTP_X_FORWARDED_FOR'));
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} elseif (!$safe && env('HTTP_CLIENT_IP')) {
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$ipaddr = env('HTTP_CLIENT_IP');
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} else {
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$ipaddr = env('REMOTE_ADDR');
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}
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return trim($ipaddr);
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}
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/**
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* Returns the referer that referred this request.
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*
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* @param bool $local Attempt to return a local address. Local addresses do not contain hostnames.
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* @return string The referring address for this request.
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*/
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public function referer($local = false) {
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$ref = env('HTTP_REFERER');
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$base = Configure::read('App.fullBaseUrl') . $this->webroot;
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if (!empty($ref) && !empty($base)) {
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if ($local && strpos($ref, $base) === 0) {
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$ref = substr($ref, strlen($base));
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if (!strlen($ref) || strpos($ref, '//') === 0) {
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$ref = '/';
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}
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if ($ref[0] !== '/') {
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$ref = '/' . $ref;
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}
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return $ref;
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} elseif (!$local) {
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return $ref;
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}
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}
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return '/';
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}
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/**
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* Missing method handler, handles wrapping older style isAjax() type methods
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*
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* @param string $name The method called
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* @param array $params Array of parameters for the method call
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* @return mixed
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* @throws CakeException when an invalid method is called.
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*/
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public function __call($name, $params) {
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if (strpos($name, 'is') === 0) {
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$type = strtolower(substr($name, 2));
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return $this->is($type);
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}
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throw new CakeException(__d('cake_dev', 'Method %s does not exist', $name));
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}
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/**
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* Magic get method allows access to parsed routing parameters directly on the object.
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*
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* Allows access to `$this->params['controller']` via `$this->controller`
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*
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* @param string $name The property being accessed.
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* @return mixed Either the value of the parameter or null.
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*/
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public function __get($name) {
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if (isset($this->params[$name])) {
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return $this->params[$name];
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}
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return null;
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}
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/**
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* Magic isset method allows isset/empty checks
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* on routing parameters.
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*
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* @param string $name The property being accessed.
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* @return bool Existence
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*/
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public function __isset($name) {
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return isset($this->params[$name]);
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}
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/**
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* Check whether or not a Request is a certain type.
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*
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|
* Uses the built in detection rules as well as additional rules
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|
* defined with CakeRequest::addDetector(). Any detector can be called
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* as `is($type)` or `is$Type()`.
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*
|
|
* @param string|array $type The type of request you want to check. If an array
|
|
* this method will return true if the request matches any type.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
public function is($type) {
|
|
if (is_array($type)) {
|
|
$result = array_map(array($this, 'is'), $type);
|
|
return count(array_filter($result)) > 0;
|
|
}
|
|
$type = strtolower($type);
|
|
if (!isset($this->_detectors[$type])) {
|
|
return false;
|
|
}
|
|
$detect = $this->_detectors[$type];
|
|
if (isset($detect['env']) && $this->_environmentDetector($detect)) {
|
|
return true;
|
|
}
|
|
if (isset($detect['header']) && $this->_headerDetector($detect)) {
|
|
return true;
|
|
}
|
|
if (isset($detect['accept']) && $this->_acceptHeaderDetector($detect)) {
|
|
return true;
|
|
}
|
|
if (isset($detect['param']) && $this->_paramDetector($detect)) {
|
|
return true;
|
|
}
|
|
if (isset($detect['callback']) && is_callable($detect['callback'])) {
|
|
return call_user_func($detect['callback'], $this);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detects if a URL extension is present.
|
|
*
|
|
* @param array $detect Detector options array.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
protected function _extensionDetector($detect) {
|
|
if (is_string($detect['extension'])) {
|
|
$detect['extension'] = array($detect['extension']);
|
|
}
|
|
if (in_array($this->params['ext'], $detect['extension'])) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detects if a specific accept header is present.
|
|
*
|
|
* @param array $detect Detector options array.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
protected function _acceptHeaderDetector($detect) {
|
|
$acceptHeaders = explode(',', (string)env('HTTP_ACCEPT'));
|
|
foreach ($detect['accept'] as $header) {
|
|
if (in_array($header, $acceptHeaders)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detects if a specific header is present.
|
|
*
|
|
* @param array $detect Detector options array.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
protected function _headerDetector($detect) {
|
|
foreach ($detect['header'] as $header => $value) {
|
|
$header = env('HTTP_' . strtoupper($header));
|
|
if (!is_null($header)) {
|
|
if (!is_string($value) && !is_bool($value) && is_callable($value)) {
|
|
return call_user_func($value, $header);
|
|
}
|
|
return ($header === $value);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detects if a specific request parameter is present.
|
|
*
|
|
* @param array $detect Detector options array.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
protected function _paramDetector($detect) {
|
|
$key = $detect['param'];
|
|
if (isset($detect['value'])) {
|
|
$value = $detect['value'];
|
|
return isset($this->params[$key]) ? $this->params[$key] == $value : false;
|
|
}
|
|
if (isset($detect['options'])) {
|
|
return isset($this->params[$key]) ? in_array($this->params[$key], $detect['options']) : false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Detects if a specific environment variable is present.
|
|
*
|
|
* @param array $detect Detector options array.
|
|
* @return bool Whether or not the request is the type you are checking.
|
|
*/
|
|
protected function _environmentDetector($detect) {
|
|
if (isset($detect['env'])) {
|
|
if (isset($detect['value'])) {
|
|
return env($detect['env']) == $detect['value'];
|
|
}
|
|
if (isset($detect['pattern'])) {
|
|
return (bool)preg_match($detect['pattern'], env($detect['env']));
|
|
}
|
|
if (isset($detect['options'])) {
|
|
$pattern = '/' . implode('|', $detect['options']) . '/i';
|
|
return (bool)preg_match($pattern, env($detect['env']));
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check that a request matches all the given types.
|
|
*
|
|
* Allows you to test multiple types and union the results.
|
|
* See CakeRequest::is() for how to add additional types and the
|
|
* built-in types.
|
|
*
|
|
* @param array $types The types to check.
|
|
* @return bool Success.
|
|
* @see CakeRequest::is()
|
|
*/
|
|
public function isAll(array $types) {
|
|
$result = array_filter(array_map(array($this, 'is'), $types));
|
|
return count($result) === count($types);
|
|
}
|
|
|
|
/**
|
|
* Add a new detector to the list of detectors that a request can use.
|
|
* There are several different formats and types of detectors that can be set.
|
|
*
|
|
* ### Environment value comparison
|
|
*
|
|
* An environment value comparison, compares a value fetched from `env()` to a known value
|
|
* the environment value is equality checked against the provided value.
|
|
*
|
|
* e.g `addDetector('post', array('env' => 'REQUEST_METHOD', 'value' => 'POST'))`
|
|
*
|
|
* ### Pattern value comparison
|
|
*
|
|
* Pattern value comparison allows you to compare a value fetched from `env()` to a regular expression.
|
|
*
|
|
* e.g `addDetector('iphone', array('env' => 'HTTP_USER_AGENT', 'pattern' => '/iPhone/i'));`
|
|
*
|
|
* ### Option based comparison
|
|
*
|
|
* Option based comparisons use a list of options to create a regular expression. Subsequent calls
|
|
* to add an already defined options detector will merge the options.
|
|
*
|
|
* e.g `addDetector('mobile', array('env' => 'HTTP_USER_AGENT', 'options' => array('Fennec')));`
|
|
*
|
|
* ### Callback detectors
|
|
*
|
|
* Callback detectors allow you to provide a 'callback' type to handle the check. The callback will
|
|
* receive the request object as its only parameter.
|
|
*
|
|
* e.g `addDetector('custom', array('callback' => array('SomeClass', 'somemethod')));`
|
|
*
|
|
* ### Request parameter detectors
|
|
*
|
|
* Allows for custom detectors on the request parameters.
|
|
*
|
|
* e.g `addDetector('requested', array('param' => 'requested', 'value' => 1)`
|
|
*
|
|
* You can also make parameter detectors that accept multiple values
|
|
* using the `options` key. This is useful when you want to check
|
|
* if a request parameter is in a list of options.
|
|
*
|
|
* `addDetector('extension', array('param' => 'ext', 'options' => array('pdf', 'csv'))`
|
|
*
|
|
* @param string $name The name of the detector.
|
|
* @param array $options The options for the detector definition. See above.
|
|
* @return void
|
|
*/
|
|
public function addDetector($name, $options) {
|
|
$name = strtolower($name);
|
|
if (isset($this->_detectors[$name]) && isset($options['options'])) {
|
|
$options = Hash::merge($this->_detectors[$name], $options);
|
|
}
|
|
$this->_detectors[$name] = $options;
|
|
}
|
|
|
|
/**
|
|
* Add parameters to the request's parsed parameter set. This will overwrite any existing parameters.
|
|
* This modifies the parameters available through `$request->params`.
|
|
*
|
|
* @param array $params Array of parameters to merge in
|
|
* @return self
|
|
*/
|
|
public function addParams($params) {
|
|
$this->params = array_merge($this->params, (array)$params);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Add paths to the requests' paths vars. This will overwrite any existing paths.
|
|
* Provides an easy way to modify, here, webroot and base.
|
|
*
|
|
* @param array $paths Array of paths to merge in
|
|
* @return self
|
|
*/
|
|
public function addPaths($paths) {
|
|
foreach (array('webroot', 'here', 'base') as $element) {
|
|
if (isset($paths[$element])) {
|
|
$this->{$element} = $paths[$element];
|
|
}
|
|
}
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the value of the current requests URL. Will include named parameters and querystring arguments.
|
|
*
|
|
* @param bool $base Include the base path, set to false to trim the base path off.
|
|
* @return string the current request URL including query string args.
|
|
*/
|
|
public function here($base = true) {
|
|
$url = $this->here;
|
|
if (!empty($this->query)) {
|
|
$url .= '?' . http_build_query($this->query, null, '&');
|
|
}
|
|
if (!$base) {
|
|
$url = preg_replace('/^' . preg_quote($this->base, '/') . '/', '', $url, 1);
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Read an HTTP header from the Request information.
|
|
*
|
|
* @param string $name Name of the header you want.
|
|
* @return mixed Either false on no header being set or the value of the header.
|
|
*/
|
|
public static function header($name) {
|
|
$httpName = 'HTTP_' . strtoupper(str_replace('-', '_', $name));
|
|
if (isset($_SERVER[$httpName])) {
|
|
return $_SERVER[$httpName];
|
|
}
|
|
// Use the provided value, in some configurations apache will
|
|
// pass Authorization with no prefix and in Titlecase.
|
|
if (isset($_SERVER[$name])) {
|
|
return $_SERVER[$name];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the HTTP method used for this request.
|
|
* There are a few ways to specify a method.
|
|
*
|
|
* - If your client supports it you can use native HTTP methods.
|
|
* - You can set the HTTP-X-Method-Override header.
|
|
* - You can submit an input with the name `_method`
|
|
*
|
|
* Any of these 3 approaches can be used to set the HTTP method used
|
|
* by CakePHP internally, and will effect the result of this method.
|
|
*
|
|
* @return string The name of the HTTP method used.
|
|
*/
|
|
public function method() {
|
|
return env('REQUEST_METHOD');
|
|
}
|
|
|
|
/**
|
|
* Get the host that the request was handled on.
|
|
*
|
|
* @param bool $trustProxy Whether or not to trust the proxy host.
|
|
* @return string
|
|
*/
|
|
public function host($trustProxy = false) {
|
|
if ($trustProxy) {
|
|
return env('HTTP_X_FORWARDED_HOST');
|
|
}
|
|
return env('HTTP_HOST');
|
|
}
|
|
|
|
/**
|
|
* Get the domain name and include $tldLength segments of the tld.
|
|
*
|
|
* @param int $tldLength Number of segments your tld contains. For example: `example.com` contains 1 tld.
|
|
* While `example.co.uk` contains 2.
|
|
* @return string Domain name without subdomains.
|
|
*/
|
|
public function domain($tldLength = 1) {
|
|
$segments = explode('.', $this->host());
|
|
$domain = array_slice($segments, -1 * ($tldLength + 1));
|
|
return implode('.', $domain);
|
|
}
|
|
|
|
/**
|
|
* Get the subdomains for a host.
|
|
*
|
|
* @param int $tldLength Number of segments your tld contains. For example: `example.com` contains 1 tld.
|
|
* While `example.co.uk` contains 2.
|
|
* @return array An array of subdomains.
|
|
*/
|
|
public function subdomains($tldLength = 1) {
|
|
$segments = explode('.', $this->host());
|
|
return array_slice($segments, 0, -1 * ($tldLength + 1));
|
|
}
|
|
|
|
/**
|
|
* Find out which content types the client accepts or check if they accept a
|
|
* particular type of content.
|
|
*
|
|
* #### Get all types:
|
|
*
|
|
* `$this->request->accepts();`
|
|
*
|
|
* #### Check for a single type:
|
|
*
|
|
* `$this->request->accepts('application/json');`
|
|
*
|
|
* This method will order the returned content types by the preference values indicated
|
|
* by the client.
|
|
*
|
|
* @param string $type The content type to check for. Leave null to get all types a client accepts.
|
|
* @return mixed Either an array of all the types the client accepts or a boolean if they accept the
|
|
* provided type.
|
|
*/
|
|
public function accepts($type = null) {
|
|
$raw = $this->parseAccept();
|
|
$accept = array();
|
|
foreach ($raw as $types) {
|
|
$accept = array_merge($accept, $types);
|
|
}
|
|
if ($type === null) {
|
|
return $accept;
|
|
}
|
|
return in_array($type, $accept);
|
|
}
|
|
|
|
/**
|
|
* Parse the HTTP_ACCEPT header and return a sorted array with content types
|
|
* as the keys, and pref values as the values.
|
|
*
|
|
* Generally you want to use CakeRequest::accept() to get a simple list
|
|
* of the accepted content types.
|
|
*
|
|
* @return array An array of prefValue => array(content/types)
|
|
*/
|
|
public function parseAccept() {
|
|
return $this->_parseAcceptWithQualifier($this->header('accept'));
|
|
}
|
|
|
|
/**
|
|
* Get the languages accepted by the client, or check if a specific language is accepted.
|
|
*
|
|
* Get the list of accepted languages:
|
|
*
|
|
* ``` CakeRequest::acceptLanguage(); ```
|
|
*
|
|
* Check if a specific language is accepted:
|
|
*
|
|
* ``` CakeRequest::acceptLanguage('es-es'); ```
|
|
*
|
|
* @param string $language The language to test.
|
|
* @return mixed If a $language is provided, a boolean. Otherwise the array of accepted languages.
|
|
*/
|
|
public static function acceptLanguage($language = null) {
|
|
$raw = static::_parseAcceptWithQualifier(static::header('Accept-Language'));
|
|
$accept = array();
|
|
foreach ($raw as $languages) {
|
|
foreach ($languages as &$lang) {
|
|
if (strpos($lang, '_')) {
|
|
$lang = str_replace('_', '-', $lang);
|
|
}
|
|
$lang = strtolower($lang);
|
|
}
|
|
$accept = array_merge($accept, $languages);
|
|
}
|
|
if ($language === null) {
|
|
return $accept;
|
|
}
|
|
return in_array(strtolower($language), $accept);
|
|
}
|
|
|
|
/**
|
|
* Parse Accept* headers with qualifier options.
|
|
*
|
|
* Only qualifiers will be extracted, any other accept extensions will be
|
|
* discarded as they are not frequently used.
|
|
*
|
|
* @param string $header Header to parse.
|
|
* @return array
|
|
*/
|
|
protected static function _parseAcceptWithQualifier($header) {
|
|
$accept = array();
|
|
$header = explode(',', $header);
|
|
foreach (array_filter($header) as $value) {
|
|
$prefValue = '1.0';
|
|
$value = trim($value);
|
|
|
|
$semiPos = strpos($value, ';');
|
|
if ($semiPos !== false) {
|
|
$params = explode(';', $value);
|
|
$value = trim($params[0]);
|
|
foreach ($params as $param) {
|
|
$qPos = strpos($param, 'q=');
|
|
if ($qPos !== false) {
|
|
$prefValue = substr($param, $qPos + 2);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!isset($accept[$prefValue])) {
|
|
$accept[$prefValue] = array();
|
|
}
|
|
if ($prefValue) {
|
|
$accept[$prefValue][] = $value;
|
|
}
|
|
}
|
|
krsort($accept);
|
|
return $accept;
|
|
}
|
|
|
|
/**
|
|
* Provides a read accessor for `$this->query`. Allows you
|
|
* to use a syntax similar to `CakeSession` for reading URL query data.
|
|
*
|
|
* @param string $name Query string variable name
|
|
* @return mixed The value being read
|
|
*/
|
|
public function query($name) {
|
|
return Hash::get($this->query, $name);
|
|
}
|
|
|
|
/**
|
|
* Provides a read/write accessor for `$this->data`. Allows you
|
|
* to use a syntax similar to `CakeSession` for reading post data.
|
|
*
|
|
* ## Reading values.
|
|
*
|
|
* `$request->data('Post.title');`
|
|
*
|
|
* When reading values you will get `null` for keys/values that do not exist.
|
|
*
|
|
* ## Writing values
|
|
*
|
|
* `$request->data('Post.title', 'New post!');`
|
|
*
|
|
* You can write to any value, even paths/keys that do not exist, and the arrays
|
|
* will be created for you.
|
|
*
|
|
* @param string $name Dot separated name of the value to read/write, one or more args.
|
|
* @return mixed|self Either the value being read, or $this so you can chain consecutive writes.
|
|
*/
|
|
public function data($name) {
|
|
$args = func_get_args();
|
|
if (count($args) === 2) {
|
|
$this->data = Hash::insert($this->data, $name, $args[1]);
|
|
return $this;
|
|
}
|
|
return Hash::get($this->data, $name);
|
|
}
|
|
|
|
/**
|
|
* Safely access the values in $this->params.
|
|
*
|
|
* @param string $name The name of the parameter to get.
|
|
* @return mixed The value of the provided parameter. Will
|
|
* return false if the parameter doesn't exist or is falsey.
|
|
*/
|
|
public function param($name) {
|
|
$args = func_get_args();
|
|
if (count($args) === 2) {
|
|
$this->params = Hash::insert($this->params, $name, $args[1]);
|
|
return $this;
|
|
}
|
|
if (!isset($this->params[$name])) {
|
|
return Hash::get($this->params, $name, false);
|
|
}
|
|
return $this->params[$name];
|
|
}
|
|
|
|
/**
|
|
* Read data from `php://input`. Useful when interacting with XML or JSON
|
|
* request body content.
|
|
*
|
|
* Getting input with a decoding function:
|
|
*
|
|
* `$this->request->input('json_decode');`
|
|
*
|
|
* Getting input using a decoding function, and additional params:
|
|
*
|
|
* `$this->request->input('Xml::build', array('return' => 'DOMDocument'));`
|
|
*
|
|
* Any additional parameters are applied to the callback in the order they are given.
|
|
*
|
|
* @param string $callback A decoding callback that will convert the string data to another
|
|
* representation. Leave empty to access the raw input data. You can also
|
|
* supply additional parameters for the decoding callback using var args, see above.
|
|
* @return mixed The decoded/processed request data.
|
|
*/
|
|
public function input($callback = null) {
|
|
$input = $this->_readInput();
|
|
$args = func_get_args();
|
|
if (!empty($args)) {
|
|
$callback = array_shift($args);
|
|
array_unshift($args, $input);
|
|
return call_user_func_array($callback, $args);
|
|
}
|
|
return $input;
|
|
}
|
|
|
|
/**
|
|
* Modify data originally from `php://input`. Useful for altering json/xml data
|
|
* in middleware or DispatcherFilters before it gets to RequestHandlerComponent
|
|
*
|
|
* @param string $input A string to replace original parsed data from input()
|
|
* @return void
|
|
*/
|
|
public function setInput($input) {
|
|
$this->_input = $input;
|
|
}
|
|
|
|
/**
|
|
* Allow only certain HTTP request methods. If the request method does not match
|
|
* a 405 error will be shown and the required "Allow" response header will be set.
|
|
*
|
|
* Example:
|
|
*
|
|
* $this->request->allowMethod('post', 'delete');
|
|
* or
|
|
* $this->request->allowMethod(array('post', 'delete'));
|
|
*
|
|
* If the request would be GET, response header "Allow: POST, DELETE" will be set
|
|
* and a 405 error will be returned.
|
|
*
|
|
* @param string|array $methods Allowed HTTP request methods.
|
|
* @return bool true
|
|
* @throws MethodNotAllowedException
|
|
*/
|
|
public function allowMethod($methods) {
|
|
if (!is_array($methods)) {
|
|
$methods = func_get_args();
|
|
}
|
|
foreach ($methods as $method) {
|
|
if ($this->is($method)) {
|
|
return true;
|
|
}
|
|
}
|
|
$allowed = strtoupper(implode(', ', $methods));
|
|
$e = new MethodNotAllowedException();
|
|
$e->responseHeader('Allow', $allowed);
|
|
throw $e;
|
|
}
|
|
|
|
/**
|
|
* Alias of CakeRequest::allowMethod() for backwards compatibility.
|
|
*
|
|
* @param string|array $methods Allowed HTTP request methods.
|
|
* @return bool true
|
|
* @throws MethodNotAllowedException
|
|
* @see CakeRequest::allowMethod()
|
|
* @deprecated 3.0.0 Since 2.5, use CakeRequest::allowMethod() instead.
|
|
*/
|
|
public function onlyAllow($methods) {
|
|
if (!is_array($methods)) {
|
|
$methods = func_get_args();
|
|
}
|
|
return $this->allowMethod($methods);
|
|
}
|
|
|
|
/**
|
|
* Read data from php://input, mocked in tests.
|
|
*
|
|
* @return string contents of php://input
|
|
*/
|
|
protected function _readInput() {
|
|
if (empty($this->_input)) {
|
|
$fh = fopen('php://input', 'r');
|
|
$content = stream_get_contents($fh);
|
|
fclose($fh);
|
|
$this->_input = $content;
|
|
}
|
|
return $this->_input;
|
|
}
|
|
|
|
/**
|
|
* Array access read implementation
|
|
*
|
|
* @param string $name Name of the key being accessed.
|
|
* @return mixed
|
|
*/
|
|
public function offsetGet($name) {
|
|
if (isset($this->params[$name])) {
|
|
return $this->params[$name];
|
|
}
|
|
if ($name === 'url') {
|
|
return $this->query;
|
|
}
|
|
if ($name === 'data') {
|
|
return $this->data;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Array access write implementation
|
|
*
|
|
* @param string $name Name of the key being written
|
|
* @param mixed $value The value being written.
|
|
* @return void
|
|
*/
|
|
public function offsetSet($name, $value) {
|
|
$this->params[$name] = $value;
|
|
}
|
|
|
|
/**
|
|
* Array access isset() implementation
|
|
*
|
|
* @param string $name thing to check.
|
|
* @return bool
|
|
*/
|
|
public function offsetExists($name) {
|
|
if ($name === 'url' || $name === 'data') {
|
|
return true;
|
|
}
|
|
return isset($this->params[$name]);
|
|
}
|
|
|
|
/**
|
|
* Array access unset() implementation
|
|
*
|
|
* @param string $name Name to unset.
|
|
* @return void
|
|
*/
|
|
public function offsetUnset($name) {
|
|
unset($this->params[$name]);
|
|
}
|
|
|
|
}
|