1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "tokenid_kit.h"
17
18#include <cinttypes>
19
20#include "accesstoken_log.h"
21#include "access_token.h"
22
23namespace OHOS {
24namespace Security {
25namespace AccessToken {
26namespace {
27static constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {LOG_CORE, SECURITY_DOMAIN_ACCESSTOKEN, "TokenIdKit"};
28static const uint64_t SYSTEM_APP_MASK = (static_cast<uint64_t>(1) << 32);
29static const uint64_t TOKEN_ID_LOWMASK = 0xffffffff;
30}
31
32bool TokenIdKit::IsSystemAppByFullTokenID(uint64_t tokenId)
33{
34    ACCESSTOKEN_LOG_DEBUG(LABEL, "Called, tokenId=%{public}" PRId64, tokenId);
35    return (tokenId & SYSTEM_APP_MASK) == SYSTEM_APP_MASK;
36}
37
38uint64_t TokenIdKit::GetRenderTokenID(uint64_t tokenId)
39{
40    AccessTokenID id = tokenId & TOKEN_ID_LOWMASK;
41    if (id == INVALID_TOKENID) {
42        ACCESSTOKEN_LOG_ERROR(LABEL, "TokenID is invalid");
43        return tokenId;
44    }
45    AccessTokenIDInner *idInner = reinterpret_cast<AccessTokenIDInner *>(&id);
46    idInner->renderFlag = 1;
47
48    id = *reinterpret_cast<AccessTokenID *>(idInner);
49    return static_cast<uint64_t>(id);
50}
51}  // namespace AccessToken
52}  // namespace Security
53}  // namespace OHOS
54