Mirror von
https://github.com/nextcloud/server.git
synchronisiert 2024-08-12 02:11:02 +02:00
189 Zeilen
5.6 KiB
PHP
189 Zeilen
5.6 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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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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/**
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* Public interface of ownCloud for apps to use.
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* JSON Class
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*
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*/
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// use OCP namespace for all classes that are considered public.
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// This means that they should be used by apps instead of the internal ownCloud classes
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namespace OCP;
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/**
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* This class provides convinient functions to generate and send JSON data. Usefull for Ajax calls
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*/
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class JSON {
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/**
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* Encode and print $data in JSON format
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* @param array $data The data to use
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* @param string $setContentType the optional content type
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* @return string json formatted string.
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*/
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public static function encodedPrint( $data, $setContentType=true ) {
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return(\OC_JSON::encodedPrint( $data, $setContentType ));
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}
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/**
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* Check if the user is logged in, send json error msg if not.
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*
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* This method checks if a user is logged in. If not, a json error
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* response will be return and the method will exit from execution
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* of the script.
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* The returned json will be in the format:
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*
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* {"status":"error","data":{"message":"Authentication error."}}
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*
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* Add this call to the start of all ajax method files that requires
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* an authenticated user.
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*
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* @return string json formatted error string if not authenticated.
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*/
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public static function checkLoggedIn() {
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return(\OC_JSON::checkLoggedIn());
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}
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/**
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* Check an ajax get/post call if the request token is valid.
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*
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* This method checks for a valid variable 'requesttoken' in $_GET,
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* $_POST and $_SERVER. If a valid token is not found, a json error
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* response will be return and the method will exit from execution
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* of the script.
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* The returned json will be in the format:
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*
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* {"status":"error","data":{"message":"Token expired. Please reload page."}}
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*
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* Add this call to the start of all ajax method files that creates,
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* updates or deletes anything.
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* In cases where you e.g. use an ajax call to load a dialog containing
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* a submittable form, you will need to add the requesttoken first as a
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* parameter to the ajax call, then assign it to the template and finally
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* add a hidden input field also named 'requesttoken' containing the value.
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*
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* @return \json|null json formatted error string if not valid.
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*/
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public static function callCheck() {
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return(\OC_JSON::callCheck());
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}
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/**
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* Send json success msg
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*
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* Return a json success message with optional extra data.
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* @see OCP\JSON::error() for the format to use.
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*
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* @param array $data The data to use
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* @return string json formatted string.
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*/
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public static function success( $data = array() ) {
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return(\OC_JSON::success( $data ));
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}
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/**
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* Send json error msg
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*
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* Return a json error message with optional extra data for
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* error message or app specific data.
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*
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* Example use:
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*
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* $id = [some value]
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* OCP\JSON::error(array('data':array('message':'An error happened', 'id': $id)));
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*
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* Will return the json formatted string:
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*
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* {"status":"error","data":{"message":"An error happened", "id":[some value]}}
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*
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* @param array $data The data to use
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* @return string json formatted error string.
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*/
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public static function error( $data = array() ) {
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return(\OC_JSON::error( $data ));
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}
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/**
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* Set Content-Type header to jsonrequest
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* @param array $type The contwnt type header
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* @return string json formatted string.
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*/
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public static function setContentTypeHeader( $type='application/json' ) {
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return(\OC_JSON::setContentTypeHeader( $type ));
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}
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/**
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* Check if the App is enabled and send JSON error message instead
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*
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* This method checks if a specific app is enabled. If not, a json error
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* response will be return and the method will exit from execution
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* of the script.
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* The returned json will be in the format:
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*
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* {"status":"error","data":{"message":"Application is not enabled."}}
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*
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* Add this call to the start of all ajax method files that requires
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* a specific app to be enabled.
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*
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* @param string $app The app to check
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* @return string json formatted string if not enabled.
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*/
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public static function checkAppEnabled( $app ) {
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return(\OC_JSON::checkAppEnabled( $app ));
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}
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/**
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* Check if the user is a admin, send json error msg if not
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*
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* This method checks if the current user has admin rights. If not, a json error
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* response will be return and the method will exit from execution
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* of the script.
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* The returned json will be in the format:
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*
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* {"status":"error","data":{"message":"Authentication error."}}
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*
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* Add this call to the start of all ajax method files that requires
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* administrative rights.
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*
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* @return string json formatted string if not admin user.
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*/
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public static function checkAdminUser() {
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\OC_JSON::checkAdminUser();
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}
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/**
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* Encode JSON
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* @param array $data
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*/
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public static function encode($data) {
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return(\OC_JSON::encode($data));
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}
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/**
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* Check is a given user exists - send json error msg if not
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* @param string $user
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*/
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public static function checkUserExists($user) {
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\OC_JSON::checkUserExists($user);
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}
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}
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