1 /*
2 * Copyright (c) 2021 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 "base/base64/base64_util.h"
17
18 #include "include/core/SkData.h"
19 #include "include/utils/SkBase64.h"
20
21 namespace OHOS::Ace {
22
Decode(const std::string & src,std::string & dst)23 bool Base64Util::Decode(const std::string& src, std::string& dst)
24 {
25 size_t outputLen = 0;
26 SkBase64::Error error = SkBase64::Decode(src.data(), src.size(), nullptr, &outputLen);
27 if (error != SkBase64::Error::kNoError) {
28 return false;
29 }
30
31 sk_sp<SkData> resData = SkData::MakeUninitialized(outputLen);
32 void* output = resData->writable_data();
33 error = SkBase64::Decode(src.data(), src.size(), output, &outputLen);
34 if (error != SkBase64::Error::kNoError) {
35 return false;
36 }
37 dst.assign(static_cast<const char*>(resData->data()), resData->size());
38 return true;
39 }
40
41 } // namespace OHOS::Ace
42