File: blob_registry_wrapper.cc

package info (click to toggle)
chromium 139.0.7258.127-2
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,156 kB
  • sloc: cpp: 35,100,771; 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 (74 lines) | stat: -rw-r--r-- 2,555 bytes parent folder | download | duplicates (7)
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
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/blob_storage/blob_registry_wrapper.h"

#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "content/browser/blob_storage/chrome_blob_storage_context.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_features.h"
#include "net/base/features.h"
#include "storage/browser/blob/blob_registry_impl.h"
#include "storage/browser/blob/blob_storage_context.h"

namespace content {

namespace {

class BindingDelegate : public storage::BlobRegistryImpl::Delegate {
 public:
  explicit BindingDelegate(
      ChildProcessSecurityPolicyImpl::Handle security_policy_handle)
      : security_policy_handle_(std::move(security_policy_handle)) {}
  ~BindingDelegate() override {}

  bool CanReadFile(const base::FilePath& file) override {
    return security_policy_handle_.CanReadFile(file);
  }
  bool CanAccessDataForOrigin(const url::Origin& origin) override {
    return security_policy_handle_.CanAccessDataForOrigin(origin);
  }

 private:
  ChildProcessSecurityPolicyImpl::Handle security_policy_handle_;
};

}  // namespace

// static
scoped_refptr<BlobRegistryWrapper> BlobRegistryWrapper::Create(
    scoped_refptr<ChromeBlobStorageContext> blob_storage_context) {
  scoped_refptr<BlobRegistryWrapper> result(new BlobRegistryWrapper());
  GetIOThreadTaskRunner({})->PostTask(
      FROM_HERE, base::BindOnce(&BlobRegistryWrapper::InitializeOnIOThread,
                                result, std::move(blob_storage_context)));
  return result;
}

BlobRegistryWrapper::BlobRegistryWrapper() = default;

void BlobRegistryWrapper::Bind(
    int process_id,
    mojo::PendingReceiver<blink::mojom::BlobRegistry> receiver) {
  DCHECK_CURRENTLY_ON(BrowserThread::IO);
  blob_registry_->Bind(
      std::move(receiver),
      std::make_unique<BindingDelegate>(
          ChildProcessSecurityPolicyImpl::GetInstance()->CreateHandle(
              process_id)));
}

BlobRegistryWrapper::~BlobRegistryWrapper() = default;

void BlobRegistryWrapper::InitializeOnIOThread(
    scoped_refptr<ChromeBlobStorageContext> blob_storage_context) {
  DCHECK_CURRENTLY_ON(BrowserThread::IO);
  blob_registry_ = std::make_unique<storage::BlobRegistryImpl>(
      blob_storage_context->context()->AsWeakPtr());
}

}  // namespace content