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
169
170
171
172
|
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
/* import-globals-from testHelpers.js */
runTestInFirstAndThirdPartyContexts(
"ServiceWorkers - Ensure the fingerprinting WebCompat overrides the fingerprinting protection in third-party context.",
async win => {
let SPOOFED_HW_CONCURRENCY = 2;
// Register service worker for the first-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the first-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
SPOOFED_HW_CONCURRENCY,
"HW Concurrency should be spoofed in the first-party context"
);
},
async win => {
// Quickly unset and reset these prefs so we can get the real navigator.hardwareConcurrency
// It can't be set externally and then captured because this function gets stringified and
// then evaled in a new scope.
await SpecialPowers.pushPrefEnv({
set: [["privacy.fingerprintingProtection", false]],
});
var DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
await SpecialPowers.popPrefEnv();
// Register service worker for the third-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the third-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
DEFAULT_HARDWARE_CONCURRENCY,
"HW Concurrency should not be spoofed in the third-party context"
);
},
async _ => {
await new Promise(resolve => {
Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () =>
resolve()
);
});
},
[
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.ipc.processCount", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
[
"privacy.fingerprintingProtection.granularOverrides",
JSON.stringify([
{
id: "1",
last_modified: 1000000000000001,
overrides: "-NavigatorHWConcurrency",
firstPartyDomain: "example.net",
thirdPartyDomain: "example.com",
},
]),
],
]
);
runTestInFirstAndThirdPartyContexts(
"ServiceWorkers - Ensure the fingerprinting WebCompat overrides the fingerprinting protection in third-party context with FPI enabled.",
async win => {
let SPOOFED_HW_CONCURRENCY = 2;
// Register service worker for the first-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the first-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
SPOOFED_HW_CONCURRENCY,
"HW Concurrency should be spoofed in the first-party context"
);
},
async win => {
// Quickly unset and reset these prefs so we can get the real navigator.hardwareConcurrency
// It can't be set enternally and then captured because this function gets stringified and
// then evaled in a new scope.
await SpecialPowers.pushPrefEnv({
set: [["privacy.fingerprintingProtection", false]],
});
var DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
await SpecialPowers.popPrefEnv();
// Register service worker for the third-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the third-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
DEFAULT_HARDWARE_CONCURRENCY,
"HW Concurrency should not be spoofed in the third-party context"
);
},
async _ => {
await new Promise(resolve => {
Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () =>
resolve()
);
});
},
[
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.ipc.processCount", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["privacy.firstparty.isolate", true],
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
[
"privacy.fingerprintingProtection.granularOverrides",
JSON.stringify([
{
id: "1",
last_modified: 1000000000000001,
overrides: "-NavigatorHWConcurrency",
firstPartyDomain: "example.net",
thirdPartyDomain: "example.com",
},
]),
],
]
);
|
