1 /*
2 * Copyright (c) 2024 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 #define LOG_TAG "DataSharePermission"
16
17 #include "data_share_permission.h"
18
19 #include <string>
20
21 #include "data_share_called_config.h"
22 #include "datashare_errno.h"
23 #include "datashare_log.h"
24 #include "datashare_string_utils.h"
25
26 namespace OHOS {
27 namespace DataShare {
28 using namespace AppExecFwk;
VerifyPermission(Security::AccessToken::AccessTokenID tokenID,const Uri & uri,bool isRead)29 int DataSharePermission::VerifyPermission(Security::AccessToken::AccessTokenID tokenID, const Uri &uri, bool isRead)
30 {
31 if (uri.ToString().empty()) {
32 LOG_ERROR("Uri empty, tokenId:0x%{public}x", tokenID);
33 return ERR_INVALID_VALUE;
34 }
35 DataShareCalledConfig calledConfig(uri.ToString());
36 auto [errCode, providerInfo] = calledConfig.GetProviderInfo(tokenID);
37 if (errCode != E_OK) {
38 LOG_ERROR("ProviderInfo failed! token:0x%{public}x, errCode:%{public}d,uri:%{public}s", tokenID,
39 errCode, DataShareStringUtils::Anonymous(uri.ToString()).c_str());
40 return errCode;
41 }
42 auto permission = isRead ? providerInfo.readPermission : providerInfo.writePermission;
43 if (permission.empty()) {
44 LOG_ERROR("Reject, tokenId:0x%{public}x, uri:%{public}s", tokenID,
45 DataShareStringUtils::Anonymous(providerInfo.uri).c_str());
46 return ERR_PERMISSION_DENIED;
47 }
48 int status =
49 Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenID, permission);
50 if (status != Security::AccessToken::PermissionState::PERMISSION_GRANTED) {
51 LOG_ERROR("Permission denied! token:0x%{public}x,permission:%{public}s,uri:%{public}s",
52 tokenID, permission.c_str(), DataShareStringUtils::Anonymous(providerInfo.uri).c_str());
53 return ERR_PERMISSION_DENIED;
54 }
55 return E_OK;
56 }
57 } // namespace DataShare
58 } // namespace OHOS