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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* 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/>.
*
*/
/**
* Public interface of ownCloud for apps to use.
* JSON Class
*
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP;
/**
* This class provides convinient functions to generate and send JSON data. Usefull for Ajax calls
*/
class JSON {
/**
* @brief Encode and print $data in JSON format
* @param array $data The data to use
* @param string $setContentType the optional content type
*/
public static function encodedPrint( $data, $setContentType=true ){
return(\OC_JSON::encodedPrint( $data, $setContentType ));
}
/**
* @brief Check if the user is logged in, send json error msg if not
*/
public static function checkLoggedIn(){
return(\OC_JSON::checkLoggedIn());
}
/**
* @brief Check an ajax get/post call if the request token is valid.
*
* This method checks for a valid variable 'requesttoken' in $_GET,
* $_POST and $_SERVER. If a valid token is not found, an json error
* response will be return and the method will exit from execution
* of the script.
* The returned json will be in the format:
*
* {"status":"error","data":{"message":"Token expired. Please reload page."}}
*
* Add this call to the start of all ajax method files that creates,
* updates or deletes anything.
* In cases where you e.g. use an ajax call to load a dialog containing
* a submittable form, you will need to add the requesttoken first as a
* parameter to the ajax call, then assign it to the template and finally
* add a hidden input field also named 'requesttoken' containing the value.
* @return json Error msg if not valid.
*/
public static function callCheck(){
return(\OC_JSON::callCheck());
}
/**
* @brief Send json success msg
* @param array $data The data to use
*/
public static function success( $data = array() ){
return(\OC_JSON::success( $data ));
}
/**
* @brief Send json error msg
* @param array $data The data to use
*/
public static function error( $data = array() ){
return(\OC_JSON::error( $data ));
}
/**
* @brief set Content-Type header to jsonrequest
* @param array $type The contwnt type header
*/
public static function setContentTypeHeader( $type='application/json' ){
return(\OC_JSON::setContentTypeHeader( $type ));
}
/**
* @brief Check if the App is enabled and send JSON error message instead
* @param string $app The app to check
*/
public static function checkAppEnabled( $app ){
return(\OC_JSON::checkAppEnabled( $app ));
}
/**
* @brief Check if the user is a admin, send json error msg if not
*/
public static function checkAdminUser(){
return(\OC_JSON::checkAdminUser());
}
}
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