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