canvasMouseVisualizer

[dalilamma]

What's happening here?

What is the significance of this -

CanvasRenderingContext2D.arc has been called with

cordinates +-5px at current mouse position
canvas +-1px covers the whole page
canvas passes pointerEvents through

Why does this detect a bot?

Is this original work or where did you find it?

I can't make sense of it.

Thx

[kaliiiiiiiiii]

Detects when a bot attempts to add a visualization of how the mouse moves (draws mouse path on a canvas)

[dalilamma]

I don't really understand. You're making the bot draw something and if it's a bot the coordinates will be wrong?

[kaliiiiiiiiii]

No, some bots just add mouse-path visualization lol.
And this feature detects that stuff

[dalilamma]

No, some bots just add mouse-path visualization lol. And this feature detects that stuff

do you have some examples of bots which this can detect? or a bot framework which add the mouse-path visualization?

i don't think i've ever seen this before so any pointers towards the bots which do this would be helpful.

thanks!

[kaliiiiiiiiii]

brotector/tests/test_playwright.py

Line 98 in 31ce357

botright_client = await botright.Botright(use_undetected_playwright=True, user_action_layer=True)

for example

[dalilamma]

Ah ok, clever

I'm looking at the code and I don't understand why you need to proxy the apply call

function hookFunc(obj, func, callback){
    proxy = new Proxy(globalThis[obj].prototype[func], {
      apply: (target, thisArg, argumentsList) => {
        callback(target, thisArg, argumentsList)
        return Reflect.apply(target, thisArg, argumentsList)
      }
        }
    );
    Object.defineProperty(globalThis[obj].prototype, func, {value:proxy})
}

Why don't you just draw the arc normally and look at the mouse position?

[kaliiiiiiiiii]

This does not draw an arc, but hooks the function