Verified Commit f73de56a authored Sep 26, 2024 by Pier Angelo Vendrame

Bug 1918009 - Fix the RFP-spoofed User-Agent header. r=tjr

The spoofed value of the HTTP user-agent header is not consistent with
the value of navigator.userAgent on Windows, and this can lead to
compatibility issues.

Differential Revision: https://phabricator.services.mozilla.com/D223745

parent 90279c70

browser/components/resistfingerprinting/test/browser/browser_navigator.js

+4 −4

Original line number	Diff line number	Diff line
		@@ -115,11 +115,11 @@ const SPOOFED_UA_NAVIGATOR_OS = {
		other: "X11; Linux x86_64",
		};
		const SPOOFED_UA_HTTPHEADER_OS = {
		linux: "Windows NT 10.0",
		win: "Windows NT 10.0",
		macosx: "Windows NT 10.0",
		linux: "Windows NT 10.0; Win64; x64",
		win: "Windows NT 10.0; Win64; x64",
		macosx: "Windows NT 10.0; Win64; x64",
		android: "Android 10; Mobile",
		other: "Windows NT 10.0",
		other: "Windows NT 10.0; Win64; x64",
		};
		const SPOOFED_HW_CONCURRENCY = 2;

browser/components/resistfingerprinting/test/browser/browser_navigator_iframes.js

+4 −4

Original line number	Diff line number	Diff line
		@@ -130,11 +130,11 @@ const SPOOFED_UA_NAVIGATOR_OS = {
		other: "X11; Linux x86_64",
		};
		const SPOOFED_UA_HTTPHEADER_OS = {
		linux: "Windows NT 10.0",
		win: "Windows NT 10.0",
		macosx: "Windows NT 10.0",
		linux: "Windows NT 10.0; Win64; x64",
		win: "Windows NT 10.0; Win64; x64",
		macosx: "Windows NT 10.0; Win64; x64",
		android: "Android 10; Mobile",
		other: "Windows NT 10.0",
		other: "Windows NT 10.0; Win64; x64",
		};
		const SPOOFED_HW_CONCURRENCY = 2;

toolkit/components/resistfingerprinting/nsRFPService.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -64,7 +64,7 @@
		#if defined(MOZ_WIDGET_ANDROID)
		# define SPOOFED_HTTP_UA_OS "Android 10; Mobile"
		#else
		# define SPOOFED_HTTP_UA_OS "Windows NT 10.0"
		# define SPOOFED_HTTP_UA_OS "Windows NT 10.0; Win64; x64"
		#endif

		struct JSContext;