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
154
155
156
157
158
159
160
|
/* -*- 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/CredentialsContainer.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/WebAuthnManager.h"
#include "nsContentUtils.h"
#include "nsFocusManager.h"
#include "nsIDocShell.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CredentialsContainer, mParent, mManager)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CredentialsContainer)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CredentialsContainer)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CredentialsContainer)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
already_AddRefed<Promise> CreateAndReject(nsPIDOMWindowInner* aParent,
ErrorResult& aRv) {
MOZ_ASSERT(aParent);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aParent);
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
promise->MaybeReject(NS_ERROR_DOM_NOT_ALLOWED_ERR);
return promise.forget();
}
static bool IsInActiveTab(nsPIDOMWindowInner* aParent) {
// Returns whether aParent is an inner window somewhere in the active tab.
// The active tab is the selected (i.e. visible) tab in the focused window.
MOZ_ASSERT(aParent);
RefPtr<Document> doc = aParent->GetExtantDoc();
if (NS_WARN_IF(!doc)) {
return false;
}
return IsInActiveTab(doc);
}
static bool IsSameOriginWithAncestors(nsPIDOMWindowInner* aParent) {
// This method returns true if aParent is either not in a frame / iframe, or
// is in a frame or iframe and all ancestors for aParent are the same origin.
// This is useful for Credential Management because we need to prohibit
// iframes, but not break mochitests (which use iframes to embed the tests).
MOZ_ASSERT(aParent);
if (aParent->IsTopInnerWindow()) {
// Not in a frame or iframe
return true;
}
// We're in some kind of frame, so let's get the parent and start checking
// the same origin policy
nsINode* node =
nsContentUtils::GetCrossDocParentNode(aParent->GetExtantDoc());
if (NS_WARN_IF(!node)) {
// This is a sanity check, since there has to be a parent. Fail safe.
return false;
}
// Check that all ancestors are the same origin, repeating until we find a
// null parent
do {
nsresult rv =
nsContentUtils::CheckSameOrigin(aParent->GetExtantDoc(), node);
if (NS_FAILED(rv)) {
// same-origin policy is violated
return false;
}
node = nsContentUtils::GetCrossDocParentNode(node);
} while (node);
return true;
}
CredentialsContainer::CredentialsContainer(nsPIDOMWindowInner* aParent)
: mParent(aParent) {
MOZ_ASSERT(aParent);
}
CredentialsContainer::~CredentialsContainer() = default;
void CredentialsContainer::EnsureWebAuthnManager() {
MOZ_ASSERT(NS_IsMainThread());
if (!mManager) {
mManager = new WebAuthnManager(mParent);
}
}
JSObject* CredentialsContainer::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CredentialsContainer_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<Promise> CredentialsContainer::Get(
const CredentialRequestOptions& aOptions, ErrorResult& aRv) {
if (!IsSameOriginWithAncestors(mParent) || !IsInActiveTab(mParent)) {
return CreateAndReject(mParent, aRv);
}
EnsureWebAuthnManager();
return mManager->GetAssertion(aOptions.mPublicKey, aOptions.mSignal);
}
already_AddRefed<Promise> CredentialsContainer::Create(
const CredentialCreationOptions& aOptions, ErrorResult& aRv) {
if (!IsSameOriginWithAncestors(mParent) || !IsInActiveTab(mParent)) {
return CreateAndReject(mParent, aRv);
}
EnsureWebAuthnManager();
return mManager->MakeCredential(aOptions.mPublicKey, aOptions.mSignal);
}
already_AddRefed<Promise> CredentialsContainer::Store(
const Credential& aCredential, ErrorResult& aRv) {
if (!IsSameOriginWithAncestors(mParent) || !IsInActiveTab(mParent)) {
return CreateAndReject(mParent, aRv);
}
EnsureWebAuthnManager();
return mManager->Store(aCredential);
}
already_AddRefed<Promise> CredentialsContainer::PreventSilentAccess(
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mParent);
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
promise->MaybeResolveWithUndefined();
return promise.forget();
}
} // namespace mozilla::dom
|
