139 lines
3.3 KiB
PHP
139 lines
3.3 KiB
PHP
<?php
|
|
/**
|
|
* Copyright (c) 2011 Bart Visscher <bartv@thisnet.nl>
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
* See the COPYING-README file.
|
|
*/
|
|
|
|
class OC_JSON{
|
|
static protected $send_content_type_header = false;
|
|
/**
|
|
* set Content-Type header to jsonrequest
|
|
*/
|
|
public static function setContentTypeHeader($type='application/json') {
|
|
if (!self::$send_content_type_header) {
|
|
// We send json data
|
|
header( 'Content-Type: '.$type . '; charset=utf-8');
|
|
self::$send_content_type_header = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the app is enabled, send json error msg if not
|
|
*/
|
|
public static function checkAppEnabled($app) {
|
|
if( !OC_App::isEnabled($app)) {
|
|
$l = OC_L10N::get('lib');
|
|
self::error(array( 'data' => array( 'message' => $l->t('Application is not enabled') )));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the user is logged in, send json error msg if not
|
|
*/
|
|
public static function checkLoggedIn() {
|
|
if( !OC_User::isLoggedIn()) {
|
|
$l = OC_L10N::get('lib');
|
|
self::error(array( 'data' => array( 'message' => $l->t('Authentication error') )));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Check an ajax get/post call if the request token is valid.
|
|
* @return json Error msg if not valid.
|
|
*/
|
|
public static function callCheck() {
|
|
if( !OC_Util::isCallRegistered()) {
|
|
$l = OC_L10N::get('lib');
|
|
self::error(array( 'data' => array( 'message' => $l->t('Token expired. Please reload page.') )));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the user is a admin, send json error msg if not
|
|
*/
|
|
public static function checkAdminUser() {
|
|
if( !OC_User::isAdminUser(OC_User::getUser())) {
|
|
$l = OC_L10N::get('lib');
|
|
self::error(array( 'data' => array( 'message' => $l->t('Authentication error') )));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check is a given user exists - send json error msg if not
|
|
* @param string $user
|
|
*/
|
|
public static function checkUserExists($user) {
|
|
if (!OCP\User::userExists($user)) {
|
|
$l = OC_L10N::get('lib');
|
|
OCP\JSON::error(array('data' => array('message' => $l->t('Unknown user'))));
|
|
exit;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Check if the user is a subadmin, send json error msg if not
|
|
*/
|
|
public static function checkSubAdminUser() {
|
|
if(!OC_SubAdmin::isSubAdmin(OC_User::getUser())) {
|
|
$l = OC_L10N::get('lib');
|
|
self::error(array( 'data' => array( 'message' => $l->t('Authentication error') )));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send json error msg
|
|
*/
|
|
public static function error($data = array()) {
|
|
$data['status'] = 'error';
|
|
self::encodedPrint($data);
|
|
}
|
|
|
|
/**
|
|
* Send json success msg
|
|
*/
|
|
public static function success($data = array()) {
|
|
$data['status'] = 'success';
|
|
self::encodedPrint($data);
|
|
}
|
|
|
|
/**
|
|
* Convert OC_L10N_String to string, for use in json encodings
|
|
*/
|
|
protected static function to_string(&$value) {
|
|
if ($value instanceof OC_L10N_String) {
|
|
$value = (string)$value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Encode and print $data in json format
|
|
*/
|
|
public static function encodedPrint($data, $setContentType=true) {
|
|
// Disable mimesniffing, don't move this to setContentTypeHeader!
|
|
header( 'X-Content-Type-Options: nosniff' );
|
|
if($setContentType) {
|
|
self::setContentTypeHeader();
|
|
}
|
|
echo self::encode($data);
|
|
}
|
|
|
|
/**
|
|
* Encode JSON
|
|
*/
|
|
public static function encode($data) {
|
|
if (is_array($data)) {
|
|
array_walk_recursive($data, array('OC_JSON', 'to_string'));
|
|
}
|
|
return json_encode($data);
|
|
}
|
|
}
|