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Diffstat (limited to '')
-rw-r--r-- | browser/components/resistfingerprinting/test/browser/file_reduceTimePrecision_iframe_worker.sjs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/browser/components/resistfingerprinting/test/browser/file_reduceTimePrecision_iframe_worker.sjs b/browser/components/resistfingerprinting/test/browser/file_reduceTimePrecision_iframe_worker.sjs new file mode 100644 index 0000000000..7791c05c06 --- /dev/null +++ b/browser/components/resistfingerprinting/test/browser/file_reduceTimePrecision_iframe_worker.sjs @@ -0,0 +1,34 @@ +"use strict"; + +function handleRequest(request, response) { + response.setHeader("Content-Type", "application/javascript"); + + let content = `onconnect = function(e) { + let port = e.ports[0]; + + let navigatorObj = self.navigator; + let result = []; + + // Known ways to generate time stamps, in milliseconds + const timeStampCodes = [ + 'performance.now()', + 'new Date().getTime()', + 'new Event("").timeStamp', + 'new File([], "").lastModified', + ]; + + for (let timeStampCode of timeStampCodes) { + let timeStamp = eval(timeStampCode); + + result.push({ + 'name': 'worker ' + timeStampCode, + 'value': timeStamp + }); + } + + port.postMessage(result); + port.start(); + };`; + + response.write(content); +} |