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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* -*- 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 "mozilla/dom/WebAuthnManagerBase.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/WebAuthnTransactionChild.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "mozilla/dom/Event.h"
#include "nsGlobalWindowInner.h"
#include "nsPIWindowRoot.h"
namespace mozilla {
namespace dom {
constexpr auto kDeactivateEvent = u"deactivate"_ns;
constexpr auto kVisibilityChange = u"visibilitychange"_ns;
WebAuthnManagerBase::WebAuthnManagerBase(nsPIDOMWindowInner* aParent)
: mParent(aParent) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aParent);
}
WebAuthnManagerBase::~WebAuthnManagerBase() { MOZ_ASSERT(NS_IsMainThread()); }
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WebAuthnManagerBase)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION(WebAuthnManagerBase, mParent)
NS_IMPL_CYCLE_COLLECTING_ADDREF(WebAuthnManagerBase)
NS_IMPL_CYCLE_COLLECTING_RELEASE(WebAuthnManagerBase)
/***********************************************************************
* IPC Protocol Implementation
**********************************************************************/
bool WebAuthnManagerBase::MaybeCreateBackgroundActor() {
MOZ_ASSERT(NS_IsMainThread());
if (mChild) {
return true;
}
::mozilla::ipc::PBackgroundChild* actorChild =
::mozilla::ipc::BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!actorChild)) {
return false;
}
RefPtr<WebAuthnTransactionChild> mgr(new WebAuthnTransactionChild(this));
PWebAuthnTransactionChild* constructedMgr =
actorChild->SendPWebAuthnTransactionConstructor(mgr);
if (NS_WARN_IF(!constructedMgr)) {
return false;
}
MOZ_ASSERT(constructedMgr == mgr);
mChild = std::move(mgr);
return true;
}
void WebAuthnManagerBase::ActorDestroyed() {
MOZ_ASSERT(NS_IsMainThread());
mChild = nullptr;
}
/***********************************************************************
* Event Handling
**********************************************************************/
void WebAuthnManagerBase::ListenForVisibilityEvents() {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsPIDOMWindowOuter> outer = mParent->GetOuterWindow();
if (NS_WARN_IF(!outer)) {
return;
}
nsCOMPtr<EventTarget> windowRoot = outer->GetTopWindowRoot();
if (NS_WARN_IF(!windowRoot)) {
return;
}
nsresult rv = windowRoot->AddEventListener(kDeactivateEvent, this,
/* use capture */ true,
/* wants untrusted */ false);
Unused << NS_WARN_IF(NS_FAILED(rv));
rv = windowRoot->AddEventListener(kVisibilityChange, this,
/* use capture */ true,
/* wants untrusted */ false);
Unused << NS_WARN_IF(NS_FAILED(rv));
}
void WebAuthnManagerBase::StopListeningForVisibilityEvents() {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsPIDOMWindowOuter> outer = mParent->GetOuterWindow();
if (NS_WARN_IF(!outer)) {
return;
}
nsCOMPtr<EventTarget> windowRoot = outer->GetTopWindowRoot();
if (NS_WARN_IF(!windowRoot)) {
return;
}
windowRoot->RemoveEventListener(kDeactivateEvent, this,
/* use capture */ true);
windowRoot->RemoveEventListener(kVisibilityChange, this,
/* use capture */ true);
}
NS_IMETHODIMP
WebAuthnManagerBase::HandleEvent(Event* aEvent) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aEvent);
nsAutoString type;
aEvent->GetType(type);
if (!type.Equals(kDeactivateEvent) && !type.Equals(kVisibilityChange)) {
return NS_ERROR_FAILURE;
}
// The "deactivate" event on the root window has no
// "current inner window" and thus GetTarget() is always null.
if (type.Equals(kVisibilityChange)) {
nsCOMPtr<Document> doc = do_QueryInterface(aEvent->GetTarget());
if (NS_WARN_IF(!doc) || !doc->Hidden()) {
return NS_OK;
}
nsGlobalWindowInner* win = nsGlobalWindowInner::Cast(doc->GetInnerWindow());
if (NS_WARN_IF(!win) || !win->IsTopInnerWindow()) {
return NS_OK;
}
}
HandleVisibilityChange();
return NS_OK;
}
} // namespace dom
} // namespace mozilla
|
