Allow cross origin arguments and remove apply(..., Array.from)

Fixes #415

lib/extension.js

@@ -49,13 +49,14 @@
 	};
 	
 	scope.exportFunctionWithName = function exportFunctionWithName(func, context, name){
-		const exportedTry = exportFunction(func, context);
+		const exportedTry = exportFunction(func, context, {allowCrossOriginArguments: true});
 		if (exportedTry.name === name){
 			return exportedTry;
 		}
 		else {
 			const wrappedContext = scope.getWrapped(context);
 			const options = {
+				allowCrossOriginArguments: true,
 				defineAs: name
 			};
 			const oldDescriptor = Object.getOwnPropertyDescriptor(wrappedContext, name);

lib/frame.js

@@ -174,7 +174,7 @@
 			}
 			else {
 				return arguments.length > 1?
-					originalMatchMedia.apply(this, wrappedWindow.Array.from(arguments)):
+					originalMatchMedia.call(this, ...arguments):
 					originalMatchMedia.call(this, query);
 			}
 		}, window, originalMatchMedia.name);

lib/iframeProtection.js

@@ -133,7 +133,7 @@
 				const original = descriptor.value;
 				changeProperty(object, method, "value", function method(){
 					const value = arguments.length?
-						original.apply(this, window.Array.from(arguments)):
+						original.call(this, ...arguments):
 						original.call(this);
 					allCallback();
 					return value;
@@ -272,7 +272,7 @@
 			wrappedWindow,
 			"open", "value", function open(){
 				const newWindow = arguments.length?
-					windowOpen.apply(this, window.Array.from(arguments)):
+					windowOpen.call(this, ...arguments):
 					windowOpen.call(this);
 				if (newWindow){
 					// if we use windowOpen from the normal window we see some SOP errors

lib/modifiedAPIFunctions.js

@@ -17,7 +17,7 @@
 		if (check.allow){
 			if (check.allow === true){
 				return args.length?
-					check.original.apply(object, check.window.Array.from(args)):
+					check.original.call(object, ...args):
 					check.original.call(object);
 			}
 			return callback.call(object, args, check);

lib/modifiedAudioAPI.js

@@ -166,7 +166,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
 						notify("fakedAudioReadout");
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						fakeFloat32Array(array, window, prefs);
 						return ret;
 					});
@@ -180,7 +180,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
 						notify("fakedAudioReadout");
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						fakeUint8Array(array, window, prefs);
 						return ret;
 					});
@@ -194,7 +194,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
 						notify("fakedAudioReadout");
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						fakeFloat32Array(array, window, prefs);
 						return ret;
 					});
@@ -208,7 +208,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
 						notify("fakedAudioReadout");
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						fakeUint8Array(array, window, prefs);
 						return ret;
 					});
@@ -221,7 +221,7 @@
 				return function getChannelData(channel){
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						if (!getChannelDataAlreadyFakedArrays.get(ret)){
 							notify("fakedAudioReadout");
 							fakeFloat32Array(ret, window, prefs);
@@ -244,7 +244,7 @@
 							fakeFloat32Array(channelData, window, prefs);
 							getChannelDataAlreadyFakedArrays.set(channelData, true);
 						}
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						return ret;
 					});
 				};
@@ -257,7 +257,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
 						notify("fakedAudioReadout");
-						const ret = original.apply(this, window.Array.from(args));
+						const ret = original.call(this, ...args);
 						fakeFloat32Array(magResponseOutput, window, prefs);
 						fakeFloat32Array(phaseResponseOutput, window, prefs);
 						return ret;

lib/modifiedCanvasAPI.js

@@ -214,10 +214,10 @@
 			if (fakeCanvas !== this){
 				notify("fakedReadout");
 			}
-			return original.apply(fakeCanvas, window.Array.from(args));
+			return original.call(fakeCanvas, ...args);
 		}
 		else {
-			return original.apply(this, window.Array.from(args));
+			return original.call(this, ...args);
 		}
 	}
 	
@@ -234,13 +234,13 @@
 				// nothing to do here
 			}
 			// if "this" is not a correct context the next line will throw an error
-			const ret = original.apply(this, window.Array.from(args));
+			const ret = original.call(this, ...args);
 			const newImageData = getImageData(window, this).imageData;
 			this.putImageData(randomMixImageData(window, oldImageData, newImageData), 0, 0);
 			return ret;
 		}
 		else {
-			return original.apply(this, window.Array.from(args));
+			return original.call(this, ...args);
 		}
 	}
 	
@@ -273,9 +273,9 @@
 			fakeGenerator: function(checker){
 				return function(context, contextAttributes){
 					return checkerWrapper(checker, this, arguments, function(args, check){
-						const {window, original} = check;
+						const {original} = check;
 						canvasContextType.set(this, context);
-						return original.apply(this, window.Array.from(args));
+						return original.call(this, ...args);
 					});
 				};
 			}
@@ -332,10 +332,10 @@
 									"2d"
 								);
 							}
-							return original.apply(context, window.Array.from(args));
+							return original.call(context, ...args);
 						}
 						else {
-							return original.apply(this, window.Array.from(args));
+							return original.call(this, ...args);
 						}
 					});
 				};
@@ -350,7 +350,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {notify, window, original} = check;
 						const rng = randomSupply.getValueRng(1, window);
-						const originalValue = original.apply(this, window.Array.from(args));
+						const originalValue = original.call(this, ...args);
 						if ((typeof originalValue) === "boolean"){
 							notify("fakedReadout");
 							const index = x + this.width * y;
@@ -372,7 +372,7 @@
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {notify, window, original} = check;
 						const rng = randomSupply.getValueRng(1, window);
-						const originalValue = original.apply(this, window.Array.from(args));
+						const originalValue = original.call(this, ...args);
 						if ((typeof originalValue) === "boolean"){
 							notify("fakedReadout");
 							if (x instanceof window.Path2D){
@@ -431,10 +431,10 @@
 								fakeCanvas,
 								this instanceof window.WebGLRenderingContext? "webgl": "webgl2"
 							);
-							return original.apply(context, window.Array.from(args));
+							return original.call(context, ...args);
 						}
 						else {
-							return original.apply(this, window.Array.from(args));
+							return original.call(this, ...args);
 						}
 					});
 				};
@@ -449,7 +449,7 @@
 				return function getParameter(pname){
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
-						const originalValue = original.apply(this, window.Array.from(args));
+						const originalValue = original.call(this, ...args);
 						if (webgl.parameterChangeDefinition[pname]){
 							const definition = webgl.parameterChangeDefinition[pname];
 							const {value, faked} = definition.fake(originalValue, window, prefs);

lib/modifiedDOMRectAPI.js

@@ -91,7 +91,7 @@
 	function registerCallback(args, check){
 		const {prefs, notify, window, original} = check;
 		const originalValue = args.length?
-			original.apply(this, window.Array.from(args)):
+			original.call(this, ...args):
 			original.call(this);
 		registerDOMRect(originalValue, notify, window, prefs);
 		return originalValue;
@@ -104,7 +104,7 @@
 				return function getClientRects(){
 					return checkerWrapper(checker, this, arguments, function(args, check){
 						const {prefs, notify, window, original} = check;
-						const ret = args.length? original.apply(this, window.Array.from(args)): original.call(this);
+						const ret = args.length? original.call(this, ...args): original.call(this);
 						for (let i = 0; i < ret.length; i += 1){
 							registerDOMRect(ret[i], notify, window, prefs);
 						}
@@ -195,7 +195,7 @@
 							});
 						}
 						else {
-							original.apply(this, window.Array.from(arguments));
+							original.call(this, ...arguments);
 						}
 					}
 				};

lib/modifiedHistoryAPI.js

@@ -23,7 +23,7 @@
 					get length(){
 						return checkerWrapper(checker, this, arguments, function(args, check){
 							const {prefs, notify, window, original} = check;
-							const originalLength = original.apply(this, window.Array.from(args));
+							const originalLength = original.call(this, ...args);
 							const threshold = prefs("historyLengthThreshold", window.location);
 							if (originalLength > threshold){
 								notify("fakedHistoryReadout");

lib/modifiedNavigatorAPI.js

@@ -23,8 +23,8 @@
 				const temp = {
 					get [property](){
 						return checkerWrapper(checker, this, arguments, function(args, check){
-							const {notify, window, original} = check;
-							const originalValue = original.apply(this, window.Array.from(args));
+							const {notify, original} = check;
+							const originalValue = original.call(this, ...args);
 							const returnValue = navigator.getNavigatorValue(property);
 							if (originalValue !== returnValue){
 								notify("fakedNavigatorReadout");

lib/modifiedScreenAPI.js

@@ -92,7 +92,7 @@
 	function getFaker(dimension){
 		return function fake(args, check){
 			const {prefs, notify, window, original} = check;
-			const originalValue = original.apply(this, window.Array.from(args));
+			const originalValue = original.call(this, ...args);
 			const returnValue = (typeof dimension) === "function"?
 				dimension(window):
 				dimension?
@@ -254,7 +254,7 @@
 					get matches(){
 						return checkerWrapper(checker, this, arguments, function(args, check){
 							const {prefs, notify, window, original} = check;
-							const originalValue = original.apply(this, window.Array.from(args));
+							const originalValue = original.call(this, ...args);
 							const screenSize = prefs("screenSize", window.location);
 							if (
 								(

lib/modifiedWindowAPI.js

@@ -23,8 +23,8 @@
 				const temp = {
 					get opener(){
 						return checkerWrapper(checker, this, arguments, function(args, check){
-							const {notify, window, original} = check;
-							const originalOpener = original.apply(this, window.Array.from(args));
+							const {notify, original} = check;
+							const originalOpener = original.call(this, ...args);
 							if (originalOpener !== null){
 								notify("fakedWindowReadout");
 							}
@@ -49,7 +49,7 @@
 					get name(){
 						return checkerWrapper(checker, this, arguments, function(args, check){
 							const {notify, window, original} = check;
-							const originalName = original.apply(this, window.Array.from(args));
+							const originalName = original.call(this, ...args);
 							const returnedName = windowNames.get(window) || "";
 							if (originalName !== returnedName){
 								notify("fakedWindowReadout");
@@ -63,7 +63,7 @@
 			setterGenerator: function(window, original){
 				const temp = {
 					set name(name){
-						original.apply(this, window.Array.from(arguments));
+						original.call(this, ...arguments);
 						windowNames.set(window, name);
 					}
 				};