File: signed_web_bundle_integrity_block.cc

package info (click to toggle)
chromium 139.0.7258.138-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 6,120,676 kB
  • sloc: cpp: 35,100,869; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (61 lines) | stat: -rw-r--r-- 2,380 bytes parent folder | download | duplicates (3)
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
// 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.

#include "components/web_package/signed_web_bundles/signed_web_bundle_integrity_block.h"

#include <string>
#include <utility>

#include "base/types/expected_macros.h"
#include "components/web_package/mojom/web_bundle_parser.mojom.h"
#include "components/web_package/signed_web_bundles/signed_web_bundle_id.h"
#include "components/web_package/signed_web_bundles/signed_web_bundle_signature_stack.h"
#include "components/web_package/signed_web_bundles/signed_web_bundle_signature_stack_entry.h"

namespace web_package {

SignedWebBundleIntegrityBlock::~SignedWebBundleIntegrityBlock() = default;

base::expected<SignedWebBundleIntegrityBlock, std::string>
SignedWebBundleIntegrityBlock::Create(
    mojom::BundleIntegrityBlockPtr integrity_block) {
  if (integrity_block->size == 0) {
    return base::unexpected("Cannot create integrity block with a size of 0.");
  }

  ASSIGN_OR_RETURN(auto signature_stack,
                   SignedWebBundleSignatureStack::Create(
                       std::move(integrity_block->signature_stack)),
                   [](std::string error) {
                     return "Cannot create an integrity block: " +
                            std::move(error);
                   });

  ASSIGN_OR_RETURN(
      auto web_bundle_id,
      SignedWebBundleId::Create(integrity_block->attributes.web_bundle_id()));

  return SignedWebBundleIntegrityBlock(
      integrity_block->size, std::move(signature_stack),
      std::move(web_bundle_id), std::move(integrity_block->attributes.cbor()));
}

SignedWebBundleIntegrityBlock::SignedWebBundleIntegrityBlock(
    const uint64_t size_in_bytes,
    SignedWebBundleSignatureStack&& signature_stack,
    SignedWebBundleId web_bundle_id,
    std::vector<uint8_t> attributes_cbor)
    : size_in_bytes_(size_in_bytes),
      signature_stack_(signature_stack),
      web_bundle_id_(std::move(web_bundle_id)),
      attributes_cbor_(std::move(attributes_cbor)) {
  CHECK_GT(size_in_bytes_, 0ul);
}

SignedWebBundleIntegrityBlock::SignedWebBundleIntegrityBlock(
    const SignedWebBundleIntegrityBlock&) = default;
SignedWebBundleIntegrityBlock& SignedWebBundleIntegrityBlock::operator=(
    const SignedWebBundleIntegrityBlock&) = default;

}  // namespace web_package