| /* |
| * |
| * Copyright (c) 2016-2017 Nest Labs, Inc. |
| * All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * This file provides a means to decode Nevis pairing codes to get the device ID. |
| * |
| */ |
| |
| #import <string.h> |
| |
| #import "NLNevisPairingCodeDecoding.h" |
| |
| #import <Weave/Core/WeaveCore.h> |
| #import <Weave/Support/pairing-code/PairingCodeUtils.h> |
| |
| @implementation NLNevisPairingCodeDecoding |
| |
| + (uint64_t)extractDeviceIDFromNevisPairingCode:(NSString *)pairingCode |
| { |
| const char * pairingCodeCS = [pairingCode UTF8String]; |
| uint64_t deviceId; |
| WEAVE_ERROR err = nl::PairingCode::NevisPairingCodeToDeviceId(pairingCodeCS, deviceId); |
| return (err == WEAVE_NO_ERROR) ? deviceId : 0; |
| } |
| |
| + (NSString *)extractNevisPairingCodeFromDeviceID:(uint64_t)deviceId |
| { |
| char pairingCodeBuf[nl::PairingCode::kStandardPairingCodeLength + 1]; |
| WEAVE_ERROR err = nl::PairingCode::NevisDeviceIdToPairingCode(deviceId, pairingCodeBuf, sizeof(pairingCodeBuf)); |
| if (err == WEAVE_NO_ERROR) { |
| return [NSString stringWithUTF8String:pairingCodeBuf]; |
| } else { |
| return nil; |
| } |
| } |
| |
| @end |