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
|
/**
* This test only tests values in a blob document that is created by the iframe on one domain, then passed
* to a cross-origin domain to embed.
* It is a bit different from all the other tests in this series, because instead of the framer doing nothing
* except frame the framee; the framer creates the blob document, and the framee embeds the blob document.
*
* Covers the following cases:
* - RFP is disabled entirely
* - RFP is enabled entirely
* - FPP is enabled entirely
*
* - (A) RFP is exempted on the framer and framee and (if needed) on another cross-origin domain
* - (B) RFP is exempted on the framer and framee but is not on another (if needed) cross-origin domain
* - (C) RFP is exempted on the framer and (if needed) on another cross-origin domain, but not the framee
* - (D) RFP is exempted on the framer but not the framee nor another (if needed) cross-origin domain
* - (E) RFP is not exempted on the framer nor the framee but (if needed) is exempted on another cross-origin domain
* - (F) RFP is not exempted on the framer nor the framee nor another (if needed) cross-origin domain
* - (G) RFP is not exempted on the framer but is on the framee and (if needed) on another cross-origin domain
* - (H) RFP is not exempted on the framer nor another (if needed) cross-origin domain but is on the framee
*
*/
"use strict";
const SPOOFED_HW_CONCURRENCY = 2;
const DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
// =============================================================================================
// =============================================================================================
async function testHWConcurrency(result, expectedResults, extraData) {
let testDesc = extraData.testDesc;
is(
result.hardwareConcurrency,
expectedResults.hardwareConcurrency,
`Checking ${testDesc} navigator.hardwareConcurrency.`
);
}
// The following are convenience objects that allow you to quickly see what is
// and is not modified from a logical set of values.
// Be sure to always use `let expectedResults = structuredClone(allNotSpoofed)` to do a
// deep copy and avoiding corrupting the original 'const' object
const allNotSpoofed = {
hardwareConcurrency: DEFAULT_HARDWARE_CONCURRENCY,
};
const allSpoofed = {
hardwareConcurrency: SPOOFED_HW_CONCURRENCY,
};
const uri = `https://${FRAMER_DOMAIN}/browser/browser/components/resistfingerprinting/test/browser/file_hwconcurrency_blobcrossorigin_iframer.html`;
requestLongerTimeout(2);
let expectedResults = {};
expectedResults = structuredClone(allNotSpoofed);
add_task(defaultsTest.bind(null, uri, testHWConcurrency, expectedResults));
expectedResults = structuredClone(allSpoofed);
add_task(simpleRFPTest.bind(null, uri, testHWConcurrency, expectedResults));
expectedResults = structuredClone(allSpoofed);
add_task(simpleFPPTest.bind(null, uri, testHWConcurrency, expectedResults));
// (A) RFP is exempted on the framer and framee and (if needed) on another cross-origin domain
// In theory this should be Not Spoofed, however, in this test there is a blob: document that
// has a content principal and a reference to the iframe's parent (when Fission is disabled anyway.)
// The blob's principal does not match the parent's principal, so it is up to the blob to determine
// if it should resist fingerprinting on its own.
// It decides _not_ to resist fingerprinting, but only because nsContentUtils::IsURIInList has
// a check `if (!scheme.EqualsLiteral("http") && !scheme.EqualsLiteral("https")) { return false; }`
// We could in theory, modify that check to check the blob's creation uri, and that would work.
// But I am nervous about changing that code.
// expectedResults = structuredClone(allNotSpoofed);
expectedResults = structuredClone(allSpoofed);
add_task(testA.bind(null, uri, testHWConcurrency, expectedResults));
// (B) RFP is exempted on the framer and framee but is not on another (if needed) cross-origin domain
// Same as A above.
//expectedResults = structuredClone(allNotSpoofed);
expectedResults = structuredClone(allSpoofed);
add_task(testB.bind(null, uri, testHWConcurrency, expectedResults));
// (C) RFP is exempted on the framer and (if needed) on another cross-origin domain, but not the framee
expectedResults = structuredClone(allSpoofed);
add_task(testC.bind(null, uri, testHWConcurrency, expectedResults));
// (D) RFP is exempted on the framer but not the framee nor another (if needed) cross-origin domain
expectedResults = structuredClone(allSpoofed);
add_task(testD.bind(null, uri, testHWConcurrency, expectedResults));
// (E) RFP is not exempted on the framer nor the framee but (if needed) is exempted on another cross-origin domain
expectedResults = structuredClone(allSpoofed);
add_task(testE.bind(null, uri, testHWConcurrency, expectedResults));
// (F) RFP is not exempted on the framer nor the framee nor another (if needed) cross-origin domain
expectedResults = structuredClone(allSpoofed);
add_task(testF.bind(null, uri, testHWConcurrency, expectedResults));
// (G) RFP is not exempted on the framer but is on the framee and (if needed) on another cross-origin domain
expectedResults = structuredClone(allSpoofed);
add_task(testG.bind(null, uri, testHWConcurrency, expectedResults));
// (H) RFP is not exempted on the framer nor another (if needed) cross-origin domain but is on the framee
expectedResults = structuredClone(allSpoofed);
add_task(testH.bind(null, uri, testHWConcurrency, expectedResults));
|
