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
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_INTEGRITY_BLOCK_PARSER_H_
#define COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_INTEGRITY_BLOCK_PARSER_H_
#include "base/containers/flat_map.h"
#include "components/web_package/signed_web_bundles/attribute_map_parser.h"
#include "components/web_package/signed_web_bundles/integrity_block_attributes.h"
#include "components/web_package/signed_web_bundles/signature_entry_parser.h"
#include "components/web_package/signed_web_bundles/types.h"
#include "components/web_package/web_bundle_parser.h"
namespace web_package {
class SignatureStackEntryParser;
class IntegrityBlockParser : public WebBundleParser::WebBundleSectionParser {
public:
explicit IntegrityBlockParser(
mojom::BundleDataSource& data_source,
WebBundleParser::ParseIntegrityBlockCallback callback);
IntegrityBlockParser(const IntegrityBlockParser&) = delete;
IntegrityBlockParser& operator=(const IntegrityBlockParser&) = delete;
~IntegrityBlockParser() override;
void StartParsing(
WebBundleParser::WebBundleSectionParser::ParsingCompleteCallback callback)
override;
private:
void ParseMagicBytesAndVersion(const std::optional<BinaryData>& data);
void ReadAttributes();
void ParseAttributes(AttributeMapParser::ParsingResult result);
void ReadAttributesBytes(std::string web_bundle_id,
const std::optional<BinaryData>& data);
void ReadSignatureStack();
void ParseSignatureStack(const std::optional<BinaryData>& data);
void ReadSignatureStackEntry();
void NextSignatureStackEntry(
base::expected<
std::pair<mojom::BundleIntegrityBlockSignatureStackEntryPtr,
uint64_t>,
std::string> result);
void RunSuccessCallback();
void RunErrorCallback(const std::string& message,
mojom::BundleParseErrorType error_type =
mojom::BundleParseErrorType::kFormatError);
const raw_ref<mojom::BundleDataSource> data_source_;
WebBundleParser::ParseIntegrityBlockCallback result_callback_;
WebBundleParser::WebBundleSectionParser::ParsingCompleteCallback
complete_callback_;
std::unique_ptr<SignatureStackEntryParser>
current_signature_stack_entry_parser_;
std::vector<mojom::BundleIntegrityBlockSignatureStackEntryPtr>
signature_stack_;
uint64_t signature_stack_entries_left_;
uint64_t offset_in_stream_;
std::unique_ptr<AttributeMapParser> attributes_parser_;
std::optional<IntegrityBlockAttributes> attributes_;
base::WeakPtrFactory<IntegrityBlockParser> weak_factory_{this};
};
} // namespace web_package
#endif // COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_INTEGRITY_BLOCK_PARSER_H_
|
