1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/web_package/web_bundle_parser_factory.h"
#include <optional>
#include "base/compiler_specific.h"
#include "base/functional/callback_helpers.h"
#include "components/web_package/web_bundle_parser.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
#include "net/http/http_util.h"
#include "url/gurl.h"
namespace web_package {
namespace {
class FileDataSource final : public mojom::BundleDataSource {
public:
explicit FileDataSource(base::File file) : file_(std::move(file)) {}
FileDataSource(const FileDataSource&) = delete;
FileDataSource& operator=(const FileDataSource&) = delete;
private:
// Implements mojom::BundleDataSource.
void Read(uint64_t offset, uint64_t length, ReadCallback callback) override {
std::vector<uint8_t> buf(length);
int bytes = UNSAFE_TODO(
file_.Read(offset, reinterpret_cast<char*>(buf.data()), length));
if (bytes > 0) {
buf.resize(bytes);
std::move(callback).Run(std::move(buf));
} else {
std::move(callback).Run(std::nullopt);
}
}
void Length(LengthCallback callback) override {
const int64_t length = file_.GetLength();
std::move(callback).Run(length);
}
void IsRandomAccessContext(IsRandomAccessContextCallback callback) override {
std::move(callback).Run(true);
}
void Close(CloseCallback callback) override {
file_.Close();
std::move(callback).Run();
}
base::File file_;
};
} // namespace
WebBundleParserFactory::WebBundleParserFactory() = default;
WebBundleParserFactory::~WebBundleParserFactory() = default;
std::unique_ptr<mojom::BundleDataSource>
WebBundleParserFactory::CreateFileDataSourceForTesting(base::File file) {
return std::make_unique<FileDataSource>(std::move(file));
}
void WebBundleParserFactory::GetParserForDataSource(
mojo::PendingReceiver<mojom::WebBundleParser> receiver,
const std::optional<GURL>& base_url,
mojo::PendingRemote<mojom::BundleDataSource> data_source) {
// TODO(crbug.com/40197063): WebBundleParserFactory doesn't support
// |base_url|. For features::kWebBundlesFromNetwork should support |base_url|.
mojo::MakeSelfOwnedReceiver(
std::make_unique<WebBundleParser>(std::move(data_source),
base_url.value_or(GURL())),
std::move(receiver));
}
void WebBundleParserFactory::BindFileDataSource(
mojo::PendingReceiver<mojom::BundleDataSource> data_source_pending_receiver,
base::File file) {
mojo::MakeSelfOwnedReceiver(std::make_unique<FileDataSource>(std::move(file)),
std::move(data_source_pending_receiver));
}
} // namespace web_package
|
