File: ServiceWorkerInterceptController.cpp

package info (click to toggle)
thunderbird 1:60.8.0-1~deb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 2,339,208 kB
  • sloc: cpp: 5,456,704; ansic: 2,360,384; python: 596,095; asm: 340,963; java: 326,291; xml: 258,664; sh: 84,366; makefile: 23,702; perl: 17,317; objc: 3,768; yacc: 1,766; ada: 1,681; lex: 1,364; pascal: 1,264; cs: 879; exp: 527; php: 436; lisp: 258; ruby: 153; awk: 152; sed: 53; csh: 27
file content (81 lines) | stat: -rw-r--r-- 2,460 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
75
76
77
78
79
80
81
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "ServiceWorkerInterceptController.h"

#include "mozilla/BasePrincipal.h"
#include "nsContentUtils.h"
#include "nsIChannel.h"
#include "ServiceWorkerManager.h"

namespace mozilla {
namespace dom {

NS_IMPL_ISUPPORTS(ServiceWorkerInterceptController,
                  nsINetworkInterceptController)

NS_IMETHODIMP
ServiceWorkerInterceptController::ShouldPrepareForIntercept(
    nsIURI* aURI, nsIChannel* aChannel, bool* aShouldIntercept) {
  *aShouldIntercept = false;

  nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo();
  if (!loadInfo) {
    return NS_OK;
  }

  // For subresource requests we base our decision solely on the client's
  // controller value.  Any settings that would have blocked service worker
  // access should have been set before the initial navigation created the
  // window.
  if (!nsContentUtils::IsNonSubresourceRequest(aChannel)) {
    const Maybe<ServiceWorkerDescriptor>& controller =
        loadInfo->GetController();
    *aShouldIntercept = controller.isSome();
    return NS_OK;
  }

  if (nsContentUtils::StorageAllowedForChannel(aChannel) !=
      nsContentUtils::StorageAccess::eAllow) {
    return NS_OK;
  }

  nsCOMPtr<nsIPrincipal> principal = BasePrincipal::CreateCodebasePrincipal(
      aURI, loadInfo->GetOriginAttributes());

  RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
  if (!swm) {
    return NS_OK;
  }

  // We're allowed to control a window, so check with the ServiceWorkerManager
  // for a matching service worker.
  *aShouldIntercept = swm->IsAvailable(principal, aURI);
  return NS_OK;
}

NS_IMETHODIMP
ServiceWorkerInterceptController::ChannelIntercepted(
    nsIInterceptedChannel* aChannel) {
  // Note, do not cancel the interception here.  The caller will try to
  // ResetInterception() on error.

  RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
  if (!swm) {
    return NS_ERROR_FAILURE;
  }

  ErrorResult error;
  swm->DispatchFetchEvent(aChannel, error);
  if (NS_WARN_IF(error.Failed())) {
    return error.StealNSResult();
  }

  return NS_OK;
}

}  // namespace dom
}  // namespace mozilla