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
161
162
163
164
165
166
167
168
|
/* -*- 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/. */
#ifndef mozilla_StorageAccess_h
#define mozilla_StorageAccess_h
#include <cstdint>
#include "mozilla/MozPromise.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/BrowsingContext.h"
class nsIChannel;
class nsICookieJarSettings;
class nsIPrincipal;
class nsIURI;
class nsPIDOMWindowInner;
namespace mozilla {
namespace dom {
class Document;
}
// The order of these entries matters, as we use std::min for total ordering
// of permissions. Private Browsing is considered to be more limiting
// then session scoping
enum class StorageAccess {
// The storage should be partitioned for third-party resources. if the
// caller is unable to do it, deny the storage access.
ePartitionForeignOrDeny = -2,
// The storage should be partitioned for third-party trackers. if the caller
// is unable to do it, deny the storage access.
ePartitionTrackersOrDeny = -1,
// Don't allow access to the storage
eDeny = 0,
// Allow access to the storage, but only if it is secure to do so in a
// private browsing context.
ePrivateBrowsing = 1,
// Allow access to the storage, but only persist it for the current session
eSessionScoped = 2,
// Allow access to the storage
eAllow = 3,
// Keep this at the end. Used for serialization, but not a valid value.
eNumValues = 4,
};
/*
* Checks if storage for the given window is permitted by a combination of
* the user's preferences, and whether the window is a third-party iframe.
*
* This logic is intended to be shared between the different forms of
* persistent storage which are available to web pages. Cookies don't use
* this logic, and security logic related to them must be updated separately.
*/
StorageAccess StorageAllowedForWindow(nsPIDOMWindowInner* aWindow,
uint32_t* aRejectedReason = nullptr);
/*
* Checks if storage for the given document is permitted by a combination of
* the user's preferences, and whether the document's window is a third-party
* iframe.
*
* Note, this may be used on documents during the loading process where
* the window's extant document has not been set yet. The code in
* StorageAllowedForWindow(), however, will not work in these cases.
*/
StorageAccess StorageAllowedForDocument(const dom::Document* aDoc);
StorageAccess CookieAllowedForDocument(const dom::Document* aDoc);
/*
* Checks if storage should be allowed for a new window with the given
* principal, load URI, and parent.
*/
StorageAccess StorageAllowedForNewWindow(nsIPrincipal* aPrincipal, nsIURI* aURI,
nsPIDOMWindowInner* aParent);
/*
* Checks if storage should be allowed for the given channel. The check will
* be based on the channel result principal and, depending on preferences and
* permissions, mozIThirdPartyUtil.isThirdPartyChannel().
*/
StorageAccess StorageAllowedForChannel(nsIChannel* aChannel);
/*
* Checks if storage for the given principal is permitted by the user's
* preferences. This method should be used only by ServiceWorker loading.
*/
StorageAccess StorageAllowedForServiceWorker(
nsIPrincipal* aPrincipal, nsICookieJarSettings* aCookieJarSettings);
/*
* Returns true if this window/channel/aPrincipal should disable storages
* because of the anti-tracking feature.
* Note that either aWindow or aChannel may be null when calling this
* function. If the caller wants the UI to be notified when the storage gets
* disabled, it must pass a non-null channel object.
*/
bool StorageDisabledByAntiTracking(nsPIDOMWindowInner* aWindow,
nsIChannel* aChannel,
nsIPrincipal* aPrincipal, nsIURI* aURI,
uint32_t& aRejectedReason);
/*
* Returns true if this document should disable storages because of the
* anti-tracking feature.
*/
bool StorageDisabledByAntiTracking(dom::Document* aDocument, nsIURI* aURI,
uint32_t& aRejectedReason);
bool ShouldPartitionStorage(StorageAccess aAccess);
bool ShouldPartitionStorage(uint32_t aRejectedReason);
bool StoragePartitioningEnabled(StorageAccess aAccess,
nsICookieJarSettings* aCookieJarSettings);
bool StoragePartitioningEnabled(uint32_t aRejectedReason,
nsICookieJarSettings* aCookieJarSettings);
// This method returns true if the URI has first party storage access when
// loaded inside the passed 3rd party context tracking resource window.
// If the window is first party context, please use
// ApproximateAllowAccessForWithoutChannel();
//
// aRejectedReason could be set to one of these values if passed and if the
// storage permission is not granted:
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_BY_PERMISSION
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_TRACKER
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_SOCIALTRACKER
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_ALL
// * nsIWebProgressListener::STATE_COOKIES_BLOCKED_FOREIGN
bool ShouldAllowAccessFor(nsPIDOMWindowInner* a3rdPartyTrackingWindow,
nsIURI* aURI, uint32_t* aRejectedReason);
// Note: you should use ShouldAllowAccessFor() passing the nsIChannel! Use
// this method _only_ if the channel is not available. For first party
// window, it's impossible to know if the aURI is a tracking resource
// synchronously, so here we return the best guest: if we are sure that the
// permission is granted for the origin of aURI, this method returns true,
// otherwise false.
bool ApproximateAllowAccessForWithoutChannel(
nsPIDOMWindowInner* aFirstPartyWindow, nsIURI* aURI);
// It returns true if the URI has access to the first party storage.
// aChannel can be a 3rd party channel, or not.
// See ShouldAllowAccessFor(window) to see the possible values of
// aRejectedReason.
bool ShouldAllowAccessFor(nsIChannel* aChannel, nsIURI* aURI,
uint32_t* aRejectedReason);
// This method checks if the principal has the permission to access to the
// first party storage.
bool ShouldAllowAccessFor(nsIPrincipal* aPrincipal,
nsICookieJarSettings* aCookieJarSettings);
namespace detail {
uint32_t CheckCookiePermissionForPrincipal(
nsICookieJarSettings* aCookieJarSettings, nsIPrincipal* aPrincipal);
}
} // namespace mozilla
#endif // mozilla_StorageAccess_h
|
