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diff --git a/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html b/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html new file mode 100644 index 0000000000..5b8271274e --- /dev/null +++ b/browser/components/resistfingerprinting/test/mochitest/test_pointer_event.html @@ -0,0 +1,242 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1363508 +--> +<head> + <meta charset="utf-8"> + <title>Test for Pointer Events spoofing</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<div id="target0" style="width: 50px; height: 50px; background: green"></div> +<div id="target1" style="width: 50px; height: 50px; background: black"></div> +<script type="application/javascript"> + + /** Test for Bug 1363508 */ + SimpleTest.waitForExplicitFinish(); + + var target0 = window.document.getElementById("target0"); + var target1 = window.document.getElementById("target1"); + var utils = SpecialPowers.Ci.nsIDOMWindowUtils; + + // A helper function to check that whether the pointer is spoofed correctly. + function checkPointerEvent(aEvent) { + is(aEvent.pointerId, utils.DEFAULT_MOUSE_POINTER_ID, + "The spoofed pointer event should always have the mouse pointer id."); + is(aEvent.width, 1, "The spoofed pointer event should always have width as 1."); + is(aEvent.height, 1, "The spoofed pointer event should always have width as 1."); + if (aEvent.buttons === 0) { + is(aEvent.pressure, 0.0, + "The spoofed pointer event should have pressure as 0.0 if it is not in a active buttons state."); + } else { + is(aEvent.pressure, 0.5, + "The spoofed pointer event should have pressure as 0.5 if it is in a active buttons state."); + } + is(aEvent.tangentialPressure, 0, "The spoofed pointer event should always have tangentialPressure as 0."); + is(aEvent.tiltX, 0, "The spoofed pointer event should always have tiltX as 0."); + is(aEvent.tiltY, 0, "The spoofed pointer event should always have tiltY as 0."); + is(aEvent.twist, 0, "The spoofed pointer event should always have twist as 0."); + is(aEvent.pointerType, "mouse", "The spoofed pointer event should always has mouse pointerType."); + is(aEvent.isPrimary, true, "The spoofed pointer event should only receive primary pointer events."); + } + + // A helper function to create a promise for waiting the event. + function promiseForEvent(aEventType, aCheckFunc) { + return new Promise(resolve => { + target0.addEventListener(aEventType, (event) => { + is(event.type, aEventType, "receive " + event.type + " on target0"); + aCheckFunc(event); + resolve(); + }, { once: true }); + }); + } + + // A test for pointer events from touch interface. + async function doTestForTouchPointerEvent() { + let eventPromises = [ + promiseForEvent("pointerover", checkPointerEvent), + promiseForEvent("pointerenter", checkPointerEvent), + promiseForEvent("pointerdown", checkPointerEvent), + promiseForEvent("pointermove", checkPointerEvent), + promiseForEvent("pointerup", checkPointerEvent), + promiseForEvent("pointerout", checkPointerEvent), + promiseForEvent("pointerleave", checkPointerEvent), + ]; + + synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 }); + synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 }); + synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_TOUCH, pressure: 0.75 }); + + await Promise.all(eventPromises); + } + + // A test for pointercancel event. + async function doTestForTouchPointerCancelEvent() { + let eventPromises = [ + promiseForEvent("pointerover", checkPointerEvent), + promiseForEvent("pointerenter", checkPointerEvent), + promiseForEvent("pointerdown", checkPointerEvent), + promiseForEvent("pointermove", checkPointerEvent), + promiseForEvent("pointercancel", checkPointerEvent), + promiseForEvent("pointerout", checkPointerEvent), + promiseForEvent("pointerleave", checkPointerEvent), + ]; + + synthesizeTouch(target0, 5, 5, { type: "touchstart" }); + synthesizeTouch(target0, 6, 6, { type: "touchmove" }); + synthesizeTouch(target0, 6, 6, { type: "touchcancel" }); + + await Promise.all(eventPromises); + } + + // A test for pointer events from pen interface. + async function doTestForPenPointerEvent() { + let eventPromises = [ + promiseForEvent("pointerover", checkPointerEvent), + promiseForEvent("pointerenter", checkPointerEvent), + promiseForEvent("pointerdown", checkPointerEvent), + promiseForEvent("pointermove", checkPointerEvent), + promiseForEvent("pointerup", checkPointerEvent), + promiseForEvent("pointerout", checkPointerEvent), + promiseForEvent("pointerleave", checkPointerEvent), + ]; + + synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_PEN }); + synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_PEN }); + synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_PEN }); + synthesizeMouse(target1, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_PEN }); + + await Promise.all(eventPromises); + } + + // A test for gotpointercapture and lostpointercapture events. + // We would also test releasePointerCapture for only accepting spoofed pointer + // Id here. + async function doTestForPointerCapture() { + // We test for both mouse and touch to see whether the capture events are + // filed properly. We don't check pen here since it won't file capture + // events. + let inputSources = [ MouseEvent.MOZ_SOURCE_MOUSE, + MouseEvent.MOZ_SOURCE_TOUCH ]; + + for (let inputSource of inputSources) { + function eventHandler(event) { + checkPointerEvent(event); + if (event.type === "pointerdown") { + target0.setPointerCapture(event.pointerId); + } else if (event.type === "pointermove") { + if (inputSource === MouseEvent.MOZ_SOURCE_TOUCH) { + try { + target0.releasePointerCapture(utils.DEFAULT_TOUCH_POINTER_ID); + ok(false, "The releasePointerCapture should fail here, but it is not."); + } catch (e) { + ok(true, "The releasePointerCapture fails properly."); + } + } + target0.releasePointerCapture(event.pointerId); + } + } + + let eventPromises = [ + promiseForEvent("pointerover", eventHandler), + promiseForEvent("pointerenter", eventHandler), + promiseForEvent("pointerdown", eventHandler), + promiseForEvent("gotpointercapture", eventHandler), + promiseForEvent("pointermove", eventHandler), + promiseForEvent("lostpointercapture", eventHandler), + promiseForEvent("pointerup", eventHandler), + promiseForEvent("pointerout", eventHandler), + promiseForEvent("pointerleave", eventHandler), + ]; + + synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource }); + synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource }); + synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource }); + synthesizeMouse(target1, 5, 5, { type: "mousemove", inputSource }); + + await Promise.all(eventPromises); + } + } + + // A test for setPointerCapture() for only accepting spoofed pointer id. + async function doTestForSetPointerCapture() { + function eventHandler(event) { + checkPointerEvent(event); + if (event.type === "pointerdown") { + try { + target0.setPointerCapture(utils.DEFAULT_TOUCH_POINTER_ID); + ok(false, "The setPointerCapture should fail here, but it is not."); + } catch (e) { + ok(true, "The setPointerCapture fails properly."); + } + } + } + + let eventPromises = [ + promiseForEvent("pointerover", eventHandler), + promiseForEvent("pointerenter", eventHandler), + promiseForEvent("pointerdown", eventHandler), + promiseForEvent("pointermove", eventHandler), + promiseForEvent("pointerup", eventHandler), + promiseForEvent("pointerout", eventHandler), + promiseForEvent("pointerleave", eventHandler), + ]; + + synthesizeMouse(target0, 5, 5, { type: "mousedown", inputSource: MouseEvent.MOZ_SOURCE_TOUCH }); + synthesizeMouse(target0, 5, 5, { type: "mousemove", inputSource: MouseEvent.MOZ_SOURCE_TOUCH }); + synthesizeMouse(target0, 5, 5, { type: "mouseup", inputSource: MouseEvent.MOZ_SOURCE_TOUCH }); + + await Promise.all(eventPromises); + } + + // A test for assuring that script generated events won't be spoofed. + function doTestNoSpoofingForScriptGeneratedEvent() { + return new Promise(resolve => { + // Generate a custom pointer event by script. + let pointerEventCustom = new PointerEvent("pointerover", { + pointerId: utils.DEFAULT_TOUCH_POINTER_ID, + pointerType: "touch", + width: 5, + height: 5, + pressure: 0.75, + tangentialPressure: 0.5, + isPrimary: false, + }); + + target0.addEventListener("pointerover", (event) => { + // Check that script generated event is not spoofed. + is(event.pointerType, "touch", "The pointerEvent.pointerType is not spoofed."); + is(event.width, 5, "The pointerEvent.width is not spoofed."); + is(event.height, 5, "The pointerEvent.height is not spoofed."); + is(event.pressure, 0.75, "The pointerEvent.pressure is not spoofed."); + is(event.tangentialPressure, 0.5, "The pointerEvent.tangentialPressure is not spoofed."); + is(event.isPrimary, false, "The pointerEvent.isPrimary is not spoofed."); + resolve(); + }, { once: true }); + + target0.dispatchEvent(pointerEventCustom); + }); + } + + async function doTests() { + await doTestForTouchPointerEvent(); + await doTestForTouchPointerCancelEvent(); + await doTestForPenPointerEvent(); + await doTestForPointerCapture(); + await doTestForSetPointerCapture(); + await doTestNoSpoofingForScriptGeneratedEvent(); + + SimpleTest.finish(); + } + + SimpleTest.waitForFocus(() => { + SpecialPowers.pushPrefEnv({"set": [["privacy.resistFingerprinting", true]]}, + doTests); + }); + +</script> +</body> +</html> |