327 lines
8.1 KiB
PHP
327 lines
8.1 KiB
PHP
<?php
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/**
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* ownCloud - Request
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*
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* @author Thomas Tanghus
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* @copyright 2013 Thomas Tanghus (thomas@tanghus.net)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\AppFramework\Http;
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use OCP\Core\IRequest;
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/**
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* Class for accessing variables in the request.
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* This class provides an immutable object with request variables.
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*/
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class Request implements \ArrayAccess, \Countable, IRequest {
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protected $items = array();
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protected $allowedKeys = array(
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'get',
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'post',
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'files',
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'server',
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'env',
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'session',
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'cookies',
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'urlParams',
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'params',
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'parameters',
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'method'
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);
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/**
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* @param array $vars An associative array with the following optional values:
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* @param array 'params' the parsed json array
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* @param array 'urlParams' the parameters which were matched from the URL
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* @param array 'get' the $_GET array
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* @param array 'post' the $_POST array
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* @param array 'files' the $_FILES array
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* @param array 'server' the $_SERVER array
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* @param array 'env' the $_ENV array
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* @param array 'session' the $_SESSION array
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* @param array 'cookies' the $_COOKIE array
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* @param string 'method' the request method (GET, POST etc)
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* @see http://www.php.net/manual/en/reserved.variables.php
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*/
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public function __construct(array $vars=array()) {
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foreach($this->allowedKeys as $name) {
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$this->items[$name] = isset($vars[$name])
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? $vars[$name]
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: array();
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}
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$this->items['parameters'] = array_merge(
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$this->items['params'],
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$this->items['get'],
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$this->items['post'],
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$this->items['urlParams']
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);
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}
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// Countable method.
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public function count() {
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return count(array_keys($this->items['parameters']));
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}
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/**
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* ArrayAccess methods
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*
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* Gives access to the combined GET, POST and urlParams arrays
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*
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* Examples:
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*
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* $var = $request['myvar'];
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*
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* or
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*
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* if(!isset($request['myvar']) {
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* // Do something
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* }
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*
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* $request['myvar'] = 'something'; // This throws an exception.
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*
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* @param string $offset The key to lookup
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* @return string|null
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*/
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public function offsetExists($offset) {
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return isset($this->items['parameters'][$offset]);
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}
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/**
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* @see offsetExists
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*/
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public function offsetGet($offset) {
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return isset($this->items['parameters'][$offset])
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? $this->items['parameters'][$offset]
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: null;
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}
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/**
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* @see offsetExists
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*/
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public function offsetSet($offset, $value) {
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throw new \RuntimeException('You cannot change the contents of the request object');
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}
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/**
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* @see offsetExists
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*/
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public function offsetUnset($offset) {
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throw new \RuntimeException('You cannot change the contents of the request object');
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}
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// Magic property accessors
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public function __set($name, $value) {
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throw new \RuntimeException('You cannot change the contents of the request object');
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}
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/**
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* Access request variables by method and name.
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* Examples:
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*
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* $request->post['myvar']; // Only look for POST variables
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* $request->myvar; or $request->{'myvar'}; or $request->{$myvar}
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* Looks in the combined GET, POST and urlParams array.
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*
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* if($request->method !== 'POST') {
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* throw new Exception('This function can only be invoked using POST');
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* }
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*
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* @param string $name The key to look for.
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* @return mixed|null
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*/
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public function __get($name) {
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switch($name) {
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case 'get':
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case 'post':
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case 'files':
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case 'server':
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case 'env':
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case 'session':
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case 'cookies':
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case 'parameters':
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case 'params':
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case 'urlParams':
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return isset($this->items[$name])
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? $this->items[$name]
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: null;
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break;
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case 'method':
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return $this->items['method'];
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break;
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default;
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return isset($this[$name])
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? $this[$name]
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: null;
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break;
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}
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}
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public function __isset($name) {
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return isset($this->items['parameters'][$name]);
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}
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public function __unset($id) {
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throw new \RunTimeException('You cannot change the contents of the request object');
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}
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/**
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* Returns the value for a specific http header.
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*
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* This method returns null if the header did not exist.
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*
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* @param string $name
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* @return string
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*/
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public function getHeader($name) {
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$name = strtoupper(str_replace(array('-'),array('_'),$name));
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if (isset($this->server['HTTP_' . $name])) {
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return $this->server['HTTP_' . $name];
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}
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// There's a few headers that seem to end up in the top-level
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// server array.
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switch($name) {
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case 'CONTENT_TYPE' :
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case 'CONTENT_LENGTH' :
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if (isset($this->server[$name])) {
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return $this->server[$name];
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}
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break;
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}
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return null;
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}
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/**
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* Lets you access post and get parameters by the index
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* In case of json requests the encoded json body is accessed
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*
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* @param string $key the key which you want to access in the URL Parameter
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* placeholder, $_POST or $_GET array.
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* The priority how they're returned is the following:
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* 1. URL parameters
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* 2. POST parameters
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* 3. GET parameters
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* @param mixed $default If the key is not found, this value will be returned
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* @return mixed the content of the array
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*/
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public function getParam($key, $default = null)
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{
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return isset($this->parameters[$key])
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? $this->parameters[$key]
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: $default;
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}
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/**
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* Returns all params that were received, be it from the request
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* (as GET or POST) or throuh the URL by the route
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* @return array the array with all parameters
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*/
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public function getParams()
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{
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return $this->parameters;
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}
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/**
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* Returns the method of the request
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* @return string the method of the request (POST, GET, etc)
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*/
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public function getMethod()
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{
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return $this->method;
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}
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/**
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* Shortcut for accessing an uploaded file through the $_FILES array
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* @param string $key the key that will be taken from the $_FILES array
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* @return array the file in the $_FILES element
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*/
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public function getUploadedFile($key)
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{
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return isset($this->files[$key]) ? $this->files[$key] : null;
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}
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/**
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* Shortcut for getting env variables
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* @param string $key the key that will be taken from the $_ENV array
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* @return array the value in the $_ENV element
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*/
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public function getEnv($key)
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{
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return isset($this->env[$key]) ? $this->env[$key] : null;
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}
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/**
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* Shortcut for getting session variables
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* @param string $key the key that will be taken from the $_SESSION array
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* @return array the value in the $_SESSION element
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*/
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function getSession($key)
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{
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return isset($this->session[$key]) ? $this->session[$key] : null;
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}
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/**
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* Shortcut for getting cookie variables
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* @param string $key the key that will be taken from the $_COOKIE array
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* @return array the value in the $_COOKIE element
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*/
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function getCookie($key)
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{
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return isset($this->cookies[$key]) ? $this->cookies[$key] : null;
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}
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/**
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* Returns the request body content.
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*
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* @param Boolean $asResource If true, a resource will be returned
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*
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* @return string|resource The request body content or a resource to read the body stream.
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*
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* @throws \LogicException
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*/
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function getContent($asResource = false)
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{
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return null;
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// if (false === $this->content || (true === $asResource && null !== $this->content)) {
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// throw new \LogicException('getContent() can only be called once when using the resource return type.');
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// }
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//
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// if (true === $asResource) {
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// $this->content = false;
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//
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// return fopen('php://input', 'rb');
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// }
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//
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// if (null === $this->content) {
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// $this->content = file_get_contents('php://input');
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// }
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//
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// return $this->content;
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}
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}
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