264 lines
7.1 KiB
PHP
264 lines
7.1 KiB
PHP
<?php
|
|
/**
|
|
* @author Bernhard Posselt <dev@bernhard-posselt.com>
|
|
* @author Lukas Reschke <lukas@owncloud.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
* @author Thomas Tanghus <thomas@tanghus.net>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Public interface of ownCloud for apps to use.
|
|
* AppFramework\Controller class
|
|
*/
|
|
|
|
namespace OCP\AppFramework;
|
|
|
|
use OCP\AppFramework\Http\TemplateResponse;
|
|
use OCP\AppFramework\Http\JSONResponse;
|
|
use OCP\AppFramework\Http\DataResponse;
|
|
use OCP\AppFramework\Http\Response;
|
|
use OCP\IRequest;
|
|
|
|
|
|
/**
|
|
* Base class to inherit your controllers from
|
|
* @since 6.0.0
|
|
*/
|
|
abstract class Controller {
|
|
|
|
/**
|
|
* app name
|
|
* @var string
|
|
* @since 7.0.0
|
|
*/
|
|
protected $appName;
|
|
|
|
/**
|
|
* current request
|
|
* @var \OCP\IRequest
|
|
* @since 6.0.0
|
|
*/
|
|
protected $request;
|
|
|
|
/**
|
|
* @var array
|
|
* @since 7.0.0
|
|
*/
|
|
private $responders;
|
|
|
|
/**
|
|
* constructor of the controller
|
|
* @param string $appName the name of the app
|
|
* @param IRequest $request an instance of the request
|
|
* @since 6.0.0 - parameter $appName was added in 7.0.0 - parameter $app was removed in 7.0.0
|
|
*/
|
|
public function __construct($appName,
|
|
IRequest $request) {
|
|
$this->appName = $appName;
|
|
$this->request = $request;
|
|
|
|
// default responders
|
|
$this->responders = array(
|
|
'json' => function ($data) {
|
|
if ($data instanceof DataResponse) {
|
|
$response = new JSONResponse(
|
|
$data->getData(),
|
|
$data->getStatus()
|
|
);
|
|
$dataHeaders = $data->getHeaders();
|
|
$headers = $response->getHeaders();
|
|
// do not overwrite Content-Type if it already exists
|
|
if (isset($dataHeaders['Content-Type'])) {
|
|
unset($headers['Content-Type']);
|
|
}
|
|
$response->setHeaders(array_merge($dataHeaders, $headers));
|
|
return $response;
|
|
} else {
|
|
return new JSONResponse($data);
|
|
}
|
|
}
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
* Parses an HTTP accept header and returns the supported responder type
|
|
* @param string $acceptHeader
|
|
* @return string the responder type
|
|
* @since 7.0.0
|
|
*/
|
|
public function getResponderByHTTPHeader($acceptHeader) {
|
|
$headers = explode(',', $acceptHeader);
|
|
|
|
// return the first matching responder
|
|
foreach ($headers as $header) {
|
|
$header = strtolower(trim($header));
|
|
|
|
$responder = str_replace('application/', '', $header);
|
|
|
|
if (array_key_exists($responder, $this->responders)) {
|
|
return $responder;
|
|
}
|
|
}
|
|
|
|
// no matching header defaults to json
|
|
return 'json';
|
|
}
|
|
|
|
|
|
/**
|
|
* Registers a formatter for a type
|
|
* @param string $format
|
|
* @param \Closure $responder
|
|
* @since 7.0.0
|
|
*/
|
|
protected function registerResponder($format, \Closure $responder) {
|
|
$this->responders[$format] = $responder;
|
|
}
|
|
|
|
|
|
/**
|
|
* Serializes and formats a response
|
|
* @param mixed $response the value that was returned from a controller and
|
|
* is not a Response instance
|
|
* @param string $format the format for which a formatter has been registered
|
|
* @throws \DomainException if format does not match a registered formatter
|
|
* @return Response
|
|
* @since 7.0.0
|
|
*/
|
|
public function buildResponse($response, $format='json') {
|
|
if(array_key_exists($format, $this->responders)) {
|
|
|
|
$responder = $this->responders[$format];
|
|
|
|
return $responder($response);
|
|
|
|
} else {
|
|
throw new \DomainException('No responder registered for format ' .
|
|
$format . '!');
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Lets you access post and get parameters by the index
|
|
* @deprecated 7.0.0 write your parameters as method arguments instead
|
|
* @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 string $default If the key is not found, this value will be returned
|
|
* @return mixed the content of the array
|
|
* @since 6.0.0
|
|
*/
|
|
public function params($key, $default=null){
|
|
return $this->request->getParam($key, $default);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns all params that were received, be it from the request
|
|
* (as GET or POST) or through the URL by the route
|
|
* @deprecated 7.0.0 use $this->request instead
|
|
* @return array the array with all parameters
|
|
* @since 6.0.0
|
|
*/
|
|
public function getParams() {
|
|
return $this->request->getParams();
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the method of the request
|
|
* @deprecated 7.0.0 use $this->request instead
|
|
* @return string the method of the request (POST, GET, etc)
|
|
* @since 6.0.0
|
|
*/
|
|
public function method() {
|
|
return $this->request->getMethod();
|
|
}
|
|
|
|
|
|
/**
|
|
* Shortcut for accessing an uploaded file through the $_FILES array
|
|
* @deprecated 7.0.0 use $this->request instead
|
|
* @param string $key the key that will be taken from the $_FILES array
|
|
* @return array the file in the $_FILES element
|
|
* @since 6.0.0
|
|
*/
|
|
public function getUploadedFile($key) {
|
|
return $this->request->getUploadedFile($key);
|
|
}
|
|
|
|
|
|
/**
|
|
* Shortcut for getting env variables
|
|
* @deprecated 7.0.0 use $this->request instead
|
|
* @param string $key the key that will be taken from the $_ENV array
|
|
* @return array the value in the $_ENV element
|
|
* @since 6.0.0
|
|
*/
|
|
public function env($key) {
|
|
return $this->request->getEnv($key);
|
|
}
|
|
|
|
|
|
/**
|
|
* Shortcut for getting cookie variables
|
|
* @deprecated 7.0.0 use $this->request instead
|
|
* @param string $key the key that will be taken from the $_COOKIE array
|
|
* @return array the value in the $_COOKIE element
|
|
* @since 6.0.0
|
|
*/
|
|
public function cookie($key) {
|
|
return $this->request->getCookie($key);
|
|
}
|
|
|
|
|
|
/**
|
|
* Shortcut for rendering a template
|
|
* @deprecated 7.0.0 return a template response instead
|
|
* @param string $templateName the name of the template
|
|
* @param array $params the template parameters in key => value structure
|
|
* @param string $renderAs user renders a full page, blank only your template
|
|
* admin an entry in the admin settings
|
|
* @param string[] $headers set additional headers in name/value pairs
|
|
* @return \OCP\AppFramework\Http\TemplateResponse containing the page
|
|
* @since 6.0.0
|
|
*/
|
|
public function render($templateName, array $params=array(),
|
|
$renderAs='user', array $headers=array()){
|
|
$response = new TemplateResponse($this->appName, $templateName);
|
|
$response->setParams($params);
|
|
$response->renderAs($renderAs);
|
|
|
|
foreach($headers as $name => $value){
|
|
$response->addHeader($name, $value);
|
|
}
|
|
|
|
return $response;
|
|
}
|
|
|
|
|
|
}
|