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