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Input.php
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<?php /** * Part of the Joomla Framework Input Package * * @copyright Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE */ namespace Joomla\Input; use Joomla\Filter; /** * Joomla! Input Base Class * * This is an abstracted input class used to manage retrieving data from the application environment. * * @since 1.0 * * @property-read Input $get * @property-read Input $post * @property-read Input $request * @property-read Input $server * @property-read Files $files * @property-read Cookie $cookie * * @method integer getInt($name, $default = null) Get a signed integer. * @method integer getUint($name, $default = null) Get an unsigned integer. * @method float getFloat($name, $default = null) Get a floating-point number. * @method boolean getBool($name, $default = null) Get a boolean value. * @method string getWord($name, $default = null) Get a word. * @method string getAlnum($name, $default = null) Get an alphanumeric string. * @method string getCmd($name, $default = null) Get a CMD filtered string. * @method string getBase64($name, $default = null) Get a base64 encoded string. * @method string getString($name, $default = null) Get a string. * @method string getHtml($name, $default = null) Get a HTML string. * @method string getPath($name, $default = null) Get a file path. * @method string getUsername($name, $default = null) Get a username. */ class Input implements \Serializable, \Countable { /** * Options array for the Input instance. * * @var array * @since 1.0 */ protected $options = array(); /** * Filter object to use. * * @var Filter\InputFilter * @since 1.0 */ protected $filter = null; /** * Input data. * * @var array * @since 1.0 */ protected $data = array(); /** * Input objects * * @var Input[] * @since 1.0 */ protected $inputs = array(); /** * Is all GLOBAL added * * @var boolean * @since 1.1.4 */ protected static $loaded = false; /** * Constructor. * * @param array $source Optional source data. If omitted, a copy of the server variable '_REQUEST' is used. * @param array $options An optional associative array of configuration parameters: * filter: An instance of Filter\Input. If omitted, a default filter is initialised. * * @since 1.0 */ public function __construct($source = null, array $options = array()) { if (isset($options['filter'])) { $this->filter = $options['filter']; } else { $this->filter = new Filter\InputFilter; } if (is_null($source)) { $this->data = &$_REQUEST; } else { $this->data = $source; } // Set the options for the class. $this->options = $options; } /** * Magic method to get an input object * * @param mixed $name Name of the input object to retrieve. * * @return Input The request input object * * @since 1.0 */ public function __get($name) { if (isset($this->inputs[$name])) { return $this->inputs[$name]; } $className = '\\Joomla\\Input\\' . ucfirst($name); if (class_exists($className)) { $this->inputs[$name] = new $className(null, $this->options); return $this->inputs[$name]; } $superGlobal = '_' . strtoupper($name); if (isset($GLOBALS[$superGlobal])) { $this->inputs[$name] = new Input($GLOBALS[$superGlobal], $this->options); return $this->inputs[$name]; } // TODO throw an exception } /** * Get the number of variables. * * @return integer The number of variables in the input. * * @since 1.0 * @see Countable::count() */ public function count() { return count($this->data); } /** * Gets a value from the input data. * * @param string $name Name of the value to get. * @param mixed $default Default value to return if variable does not exist. * @param string $filter Filter to apply to the value. * * @return mixed The filtered input value. * * @see \Joomla\Filter\InputFilter::clean() * @since 1.0 */ public function get($name, $default = null, $filter = 'cmd') { if (isset($this->data[$name])) { return $this->filter->clean($this->data[$name], $filter); } return $default; } /** * Gets an array of values from the request. * * @param array $vars Associative array of keys and filter types to apply. * If empty and datasource is null, all the input data will be returned * but filtered using the default case in JFilterInput::clean. * @param mixed $datasource Array to retrieve data from, or null * * @return mixed The filtered input data. * * @since 1.0 */ public function getArray(array $vars = array(), $datasource = null) { if (empty($vars) && is_null($datasource)) { $vars = $this->data; } $results = array(); foreach ($vars as $k => $v) { if (is_array($v)) { if (is_null($datasource)) { $results[$k] = $this->getArray($v, $this->get($k, null, 'array')); } else { $results[$k] = $this->getArray($v, $datasource[$k]); } } else { if (is_null($datasource)) { $results[$k] = $this->get($k, null, $v); } elseif (isset($datasource[$k])) { $results[$k] = $this->filter->clean($datasource[$k], $v); } else { $results[$k] = $this->filter->clean(null, $v); } } } return $results; } /** * Sets a value * * @param string $name Name of the value to set. * @param mixed $value Value to assign to the input. * * @return void * * @since 1.0 */ public function set($name, $value) { $this->data[$name] = $value; } /** * Define a value. The value will only be set if there's no value for the name or if it is null. * * @param string $name Name of the value to define. * @param mixed $value Value to assign to the input. * * @return void * * @since 1.0 */ public function def($name, $value) { if (isset($this->data[$name])) { return; } $this->data[$name] = $value; } /** * Check if a value name exists. * * @param string $path Value name * * @return boolean * * @since 1.2.0 */ public function exists($name) { return isset($this->data[$name]); } /** * Magic method to get filtered input data. * * @param string $name Name of the filter type prefixed with 'get'. * @param array $arguments [0] The name of the variable [1] The default value. * * @return mixed The filtered input value. * * @since 1.0 */ public function __call($name, $arguments) { if (substr($name, 0, 3) == 'get') { $filter = substr($name, 3); $default = null; if (isset($arguments[1])) { $default = $arguments[1]; } return $this->get($arguments[0], $default, $filter); } } /** * Gets the request method. * * @return string The request method. * * @since 1.0 */ public function getMethod() { $method = strtoupper($_SERVER['REQUEST_METHOD']); return $method; } /** * Method to serialize the input. * * @return string The serialized input. * * @since 1.0 */ public function serialize() { // Load all of the inputs. $this->loadAllInputs(); // Remove $_ENV and $_SERVER from the inputs. $inputs = $this->inputs; unset($inputs['env']); unset($inputs['server']); // Serialize the options, data, and inputs. return serialize(array($this->options, $this->data, $inputs)); } /** * Method to unserialize the input. * * @param string $input The serialized input. * * @return Input The input object. * * @since 1.0 */ public function unserialize($input) { // Unserialize the options, data, and inputs. list($this->options, $this->data, $this->inputs) = unserialize($input); // Load the filter. if (isset($this->options['filter'])) { $this->filter = $this->options['filter']; } else { $this->filter = new Filter\InputFilter; } } /** * Method to load all of the global inputs. * * @return void * * @since 1.0 */ protected function loadAllInputs() { if (!self::$loaded) { // Load up all the globals. foreach ($GLOBALS as $global => $data) { // Check if the global starts with an underscore. if (strpos($global, '_') === 0) { // Convert global name to input name. $global = strtolower($global); $global = substr($global, 1); // Get the input. $this->$global; } } self::$loaded = true; } } }