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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <utility>
#include "third_party/blink/renderer/platform/network/encoded_form_data_element_mojom_traits.h"
#include "base/feature_list.h"
#include "mojo/public/cpp/base/file_mojom_traits.h"
#include "mojo/public/cpp/base/file_path_mojom_traits.h"
#include "mojo/public/cpp/base/time_mojom_traits.h"
#include "mojo/public/cpp/bindings/array_traits_wtf_vector.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/bindings/string_traits_wtf.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/mojom/data_pipe_getter.mojom-blink.h"
#include "third_party/blink/public/mojom/blob/blob.mojom-blink.h"
#include "third_party/blink/public/mojom/blob/blob_registry.mojom-blink.h"
#include "third_party/blink/public/platform/file_path_conversion.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/platform/network/wrapped_data_pipe_getter.h"
namespace mojo {
// static
network::mojom::DataElementType
StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::type(const blink::FormDataElement& data) {
switch (data.type_) {
case blink::FormDataElement::kData:
return network::mojom::DataElementType::kBytes;
case blink::FormDataElement::kEncodedFile:
return network::mojom::DataElementType::kFile;
case blink::FormDataElement::kEncodedBlob: {
if (data.optional_blob_data_handle_)
return network::mojom::DataElementType::kDataPipe;
return network::mojom::DataElementType::kBlob;
}
case blink::FormDataElement::kDataPipe:
return network::mojom::DataElementType::kDataPipe;
}
NOTREACHED();
return network::mojom::DataElementType::kUnknown;
}
// static
base::span<const uint8_t>
StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::buf(const blink::FormDataElement& data) {
return base::make_span(reinterpret_cast<const uint8_t*>(data.data_.data()),
data.data_.size());
}
// static
base::File
StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::file(const blink::FormDataElement& data) {
return base::File();
}
// static
base::FilePath
StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::path(const blink::FormDataElement& data) {
return base::FilePath::FromUTF8Unsafe(data.filename_.Utf8());
}
// static
mojo::PendingRemote<network::mojom::blink::DataPipeGetter> StructTraits<
blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::data_pipe_getter(const blink::FormDataElement&
data) {
if (data.type_ == blink::FormDataElement::kDataPipe) {
if (!data.data_pipe_getter_)
return mojo::NullRemote();
mojo::PendingRemote<network::mojom::blink::DataPipeGetter> data_pipe_getter;
data.data_pipe_getter_->GetDataPipeGetter()->Clone(
data_pipe_getter.InitWithNewPipeAndPassReceiver());
return data_pipe_getter;
}
if (data.type_ == blink::FormDataElement::kEncodedBlob) {
if (data.optional_blob_data_handle_) {
mojo::Remote<blink::mojom::blink::Blob> blob_remote(
mojo::PendingRemote<blink::mojom::blink::Blob>(
data.optional_blob_data_handle_->CloneBlobRemote().PassPipe(),
blink::mojom::blink::Blob::Version_));
mojo::PendingRemote<network::mojom::blink::DataPipeGetter>
data_pipe_getter_remote;
blob_remote->AsDataPipeGetter(
data_pipe_getter_remote.InitWithNewPipeAndPassReceiver());
return data_pipe_getter_remote;
}
}
return mojo::NullRemote();
}
// static
base::Time StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::
expected_modification_time(const blink::FormDataElement& data) {
if (data.type_ == blink::FormDataElement::kEncodedFile)
return data.expected_file_modification_time_.value_or(base::Time());
return base::Time();
}
// static
bool StructTraits<blink::mojom::FetchAPIDataElementDataView,
blink::FormDataElement>::
Read(blink::mojom::FetchAPIDataElementDataView data,
blink::FormDataElement* out) {
network::mojom::DataElementType data_type;
if (!data.ReadType(&data_type)) {
return false;
}
out->file_start_ = data.offset();
out->file_length_ = data.length();
switch (data_type) {
case network::mojom::DataElementType::kBytes: {
out->type_ = blink::FormDataElement::kData;
// TODO(richard.li): Delete this workaround when type of
// blink::FormDataElement::data_ is changed to WTF::Vector<uint8_t>
WTF::Vector<uint8_t> buf;
if (!data.ReadBuf(&buf)) {
return false;
}
out->data_.AppendRange(buf.begin(), buf.end());
break;
}
case network::mojom::DataElementType::kFile: {
out->type_ = blink::FormDataElement::kEncodedFile;
base::FilePath file_path;
base::Time expected_time;
if (!data.ReadPath(&file_path) ||
!data.ReadExpectedModificationTime(&expected_time)) {
return false;
}
if (expected_time.is_null())
out->expected_file_modification_time_ = base::nullopt;
else
out->expected_file_modification_time_ = expected_time;
out->filename_ = blink::FilePathToString(file_path);
break;
}
case network::mojom::DataElementType::kDataPipe: {
out->type_ = blink::FormDataElement::kDataPipe;
auto data_pipe_ptr_remote = data.TakeDataPipeGetter<
mojo::PendingRemote<network::mojom::blink::DataPipeGetter>>();
DCHECK(data_pipe_ptr_remote.is_valid());
out->data_pipe_getter_ =
base::MakeRefCounted<blink::WrappedDataPipeGetter>(
std::move(data_pipe_ptr_remote));
break;
}
case network::mojom::DataElementType::kBlob:
case network::mojom::DataElementType::kUnknown:
case network::mojom::DataElementType::kChunkedDataPipe:
case network::mojom::DataElementType::kRawFile:
NOTREACHED();
return false;
}
return true;
}
} // namespace mojo
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