/src/mozilla-central/dom/serviceworkers/ServiceWorkerInterceptController.cpp
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "ServiceWorkerInterceptController.h" |
8 | | |
9 | | #include "mozilla/BasePrincipal.h" |
10 | | #include "nsContentUtils.h" |
11 | | #include "nsIChannel.h" |
12 | | #include "ServiceWorkerManager.h" |
13 | | |
14 | | namespace mozilla { |
15 | | namespace dom { |
16 | | |
17 | | NS_IMPL_ISUPPORTS(ServiceWorkerInterceptController, nsINetworkInterceptController) |
18 | | |
19 | | NS_IMETHODIMP |
20 | | ServiceWorkerInterceptController::ShouldPrepareForIntercept(nsIURI* aURI, |
21 | | nsIChannel* aChannel, |
22 | | bool* aShouldIntercept) |
23 | 0 | { |
24 | 0 | *aShouldIntercept = false; |
25 | 0 |
|
26 | 0 | nsCOMPtr<nsILoadInfo> loadInfo = aChannel->GetLoadInfo(); |
27 | 0 | if (!loadInfo) { |
28 | 0 | return NS_OK; |
29 | 0 | } |
30 | 0 | |
31 | 0 | // For subresource requests we base our decision solely on the client's |
32 | 0 | // controller value. Any settings that would have blocked service worker |
33 | 0 | // access should have been set before the initial navigation created the |
34 | 0 | // window. |
35 | 0 | if (!nsContentUtils::IsNonSubresourceRequest(aChannel)) { |
36 | 0 | const Maybe<ServiceWorkerDescriptor>& controller = loadInfo->GetController(); |
37 | 0 | *aShouldIntercept = controller.isSome(); |
38 | 0 | return NS_OK; |
39 | 0 | } |
40 | 0 | |
41 | 0 | if (nsContentUtils::StorageAllowedForChannel(aChannel) != |
42 | 0 | nsContentUtils::StorageAccess::eAllow) { |
43 | 0 | return NS_OK; |
44 | 0 | } |
45 | 0 | |
46 | 0 | nsCOMPtr<nsIPrincipal> principal = |
47 | 0 | BasePrincipal::CreateCodebasePrincipal(aURI, |
48 | 0 | loadInfo->GetOriginAttributes()); |
49 | 0 |
|
50 | 0 | RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance(); |
51 | 0 | if (!swm) { |
52 | 0 | return NS_OK; |
53 | 0 | } |
54 | 0 | |
55 | 0 | // We're allowed to control a window, so check with the ServiceWorkerManager |
56 | 0 | // for a matching service worker. |
57 | 0 | *aShouldIntercept = swm->IsAvailable(principal, aURI); |
58 | 0 | return NS_OK; |
59 | 0 | } |
60 | | |
61 | | NS_IMETHODIMP |
62 | | ServiceWorkerInterceptController::ChannelIntercepted(nsIInterceptedChannel* aChannel) |
63 | 0 | { |
64 | 0 | // Note, do not cancel the interception here. The caller will try to |
65 | 0 | // ResetInterception() on error. |
66 | 0 |
|
67 | 0 | RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance(); |
68 | 0 | if (!swm) { |
69 | 0 | return NS_ERROR_FAILURE; |
70 | 0 | } |
71 | 0 | |
72 | 0 | ErrorResult error; |
73 | 0 | swm->DispatchFetchEvent(aChannel, error); |
74 | 0 | if (NS_WARN_IF(error.Failed())) { |
75 | 0 | return error.StealNSResult(); |
76 | 0 | } |
77 | 0 | |
78 | 0 | return NS_OK; |
79 | 0 | } |
80 | | |
81 | | } // namespace dom |
82 | | } // namespace mozilla |