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fakebrowser

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🤖 Fake fingerprints to bypass anti-bot systems. Simulate mouse and keyboard operations to make behavior like a real person.

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// noinspection JSUnusedGlobalSymbols,JSUnusedLocalSymbols,PointlessArithmeticExpressionJS import { strict as assert } from 'assert'; import { helper } from './helper'; import { PptrToolkit } from './PptrToolkit'; export class FakeUserAction { constructor(fb) { this._mouseCurrPos = { x: helper.rd(0, 1280), y: helper.rd(0, 700) }; // this._fakeBrowser = new WeakRef<FakeBrowser>(fb) this._fakeBrowser = fb; } /** * Fake mouse movement track * @param startPos * @param endPos * @param maxPoints * @param cpDelta */ static mouseMovementTrack(startPos, endPos, maxPoints = 30, cpDelta = 1) { // reference: https://github.com/mtsee/Bezier/blob/master/src/bezier.js let nums = []; let maxNum = 0; let moveStep = 1; // Simulates the user's mouse movement acceleration / constant speed / deceleration for (let n = 0; n < maxPoints; ++n) { nums.push(maxNum); // noinspection PointlessArithmeticExpressionJS if (n < maxPoints * 1 / 10) { moveStep += helper.rd(60, 100); } else if (n >= maxPoints * 9 / 10) { moveStep -= helper.rd(60, 100); moveStep = Math.max(20, moveStep); } maxNum += moveStep; } const result = []; const p1 = [ startPos.x, startPos.y, ]; const cp1 = [ (startPos.x + endPos.x) / 2 + helper.rd(30, 100, true) * cpDelta, (startPos.y + endPos.y) / 2 + helper.rd(30, 100, true) * cpDelta, ]; const cp2 = [ (startPos.x + endPos.x) / 2 + helper.rd(30, 100, true) * cpDelta, (startPos.y + endPos.y) / 2 + helper.rd(30, 100, true) * cpDelta, ]; const p2 = [ endPos.x, endPos.y, ]; for (let num of nums) { const [x, y] = helper.threeBezier(num / maxNum, p1, cp1, cp2, p2); result.push({ x, y }); } return result; } /** * Simulate mouse movement * @param page * @param options */ static async simMouseMove(page, options) { const points = this.mouseMovementTrack(options.startPos, options.endPos, options.maxPoints || helper.rd(15, 30), options.cpDelta || 1); for (let n = 0; n < points.length; n += 1) { const point = points[n]; await page.mouse.move(point.x, point.y, { steps: helper.rd(1, 2) }); await helper.sleep((options.timestamp || helper.rd(300, 800)) / points.length); } } get fakeBrowser() { // @ts-ignore if (!this._fakeBrowser || this._fakeBrowser._zombie) { return null; } // WeakRef: // const fb: FakeBrowser | undefined = this._fakeBrowser.deref() const fb = this._fakeBrowser; if (!fb) { this._fakeBrowser = null; return null; } return fb; } async simMouseMoveTo(endPos, maxPoints, timestamp, cpDelta) { const fb = this.fakeBrowser; if (!fb) { return false; } if (fb.isMobileBrowser) { // We don't need to simulate mouse slide. await helper.sleepRd(300, 800); return true; } // Get the current page of the browser const currPage = await fb.getActivePage(); assert(currPage); // first move to a close position, then finally move to the target position const closeToEndPos = { x: endPos.x + helper.rd(5, 30, true), y: endPos.y + helper.rd(5, 20, true), }; await FakeUserAction.simMouseMove(currPage, { startPos: this._mouseCurrPos, endPos: closeToEndPos, maxPoints, timestamp, cpDelta, }); // The last pos must correction await currPage.mouse.move(endPos.x, endPos.y, { steps: helper.rd(5, 13) }); this._mouseCurrPos = endPos; return true; } async simRandomMouseMove() { const fb = this.fakeBrowser; if (!fb) { return false; } if (fb.isMobileBrowser) { // We don't need to simulate mouse slide. await helper.sleepRd(200, 500); return true; } const fakeDD = fb.driverParams.fakeDeviceDesc; assert(fakeDD); const innerWidth = fakeDD.window.innerWidth; const innerHeight = fakeDD.window.innerHeight; // ----------------- // | 1/6 | // | 1/4 1/4 | // | 1/6 | // ----------------- const startX = innerWidth / 4; const startY = innerHeight / 6; const endX = innerWidth * 3 / 4; const endY = innerHeight * 5 / 6; const endPos = { x: helper.rd(startX, endX), y: helper.rd(startY, endY) }; await this.simMouseMoveTo(endPos); await helper.sleepRd(300, 800); return true; } async simClick(options = { pauseAfterMouseUp: true, }) { const fb = this.fakeBrowser; if (!fb) { return false; } const currPage = await fb.getActivePage(); assert(currPage); if (fb.isMobileBrowser) { // We can't use mouse obj, we have to use touchscreen await currPage.touchscreen.tap(this._mouseCurrPos.x, this._mouseCurrPos.y); } else { await currPage.mouse.down(); await helper.sleepRd(30, 80); await currPage.mouse.up(); } if (options && options.pauseAfterMouseUp) { await helper.sleepRd(150, 600); } return true; } async simMoveToAndClick(endPos, options = { pauseAfterMouseUp: true, }) { const fb = this.fakeBrowser; if (!fb) { return false; } const currPage = await fb.getActivePage(); assert(currPage); if (!fb.isMobileBrowser) { await this.simMouseMoveTo(endPos); await currPage.mouse.move(endPos.x + helper.rd(-10, 10), endPos.y, { steps: helper.rd(8, 20) }); } this._mouseCurrPos = endPos; await helper.sleepRd(300, 800); return this.simClick(options); } async simMouseMoveToElement(eh) { const fb = this.fakeBrowser; if (!fb) { return false; } const fakeDD = fb.driverParams.fakeDeviceDesc; assert(fakeDD); const currPage = await fb.getActivePage(); assert(currPage); let box; if (fb.isMobileBrowser) { box = await FakeUserAction.adjustElementPositionWithTouchscreen(eh, currPage, fakeDD); } else { box = await FakeUserAction.adjustElementPositionWithMouse(eh, currPage, fakeDD); } if (box) { // The position of each element click should not be the center of the element // size of the clicked element must larger than 10 x 10 const endPos = { x: box.x + box.width / 2 + helper.rd(0, 5, true), y: box.y + box.height / 2 + helper.rd(0, 5, true), }; await this.simMouseMoveTo(endPos); // Pause await helper.sleepRd(300, 800); return true; } return false; } async simClickElement(eh, options = { pauseAfterMouseUp: true, }) { const moveToEl = await this.simMouseMoveToElement(eh); if (!moveToEl) { return false; } // click if (await this.simClick(options)) { return true; } else { return false; } } static async adjustElementPositionWithMouse(eh, currPage, fakeDD) { let box = null; for (;;) { box = await PptrToolkit.boundingBox(eh); if (box) { // Check the node is in the visible area // @ts-ignore let deltaX = 0; let deltaY = 0; let viewportAdjust = false; // If the top of the node is less than 0 if (box.y <= 0) { // deltaY always positive // --------------------- // 30px | // [ ] | // .. Distance to be moved // .. | // .. | // ---------------------body top deltaY = Math.min(-(box.y - 30) - 0, helper.rd(150, 300)); deltaY = -deltaY; viewportAdjust = true; } else if (box.y + box.height >= fakeDD.window.innerHeight) { // If the bottom is beyond deltaY = Math.min(box.y + box.height + 30 - fakeDD.window.innerHeight, helper.rd(150, 300)); viewportAdjust = true; } // if (box.x <= 0) { // // If the top of the button is less than 0 // deltaX = Math.min(-box.x + 30, sh.rd(100, 400)) // deltaX = -deltaX // viewportAdjust = true // } else if (box.x + box.width >= fakeDD.window.innerWidth) { // // If the bottom is beyond // deltaX = Math.min(box.x + box.width - fakeDD.window.innerWidth + 30, sh.rd(100, 400)) // viewportAdjust = true // } if (viewportAdjust) { // await currPage.mouse.wheel({deltaX}) await currPage.mouse.wheel({ deltaY }); await helper.sleepRd(100, 400); } else { break; } } else { break; } } return box; } static async adjustElementPositionWithTouchscreen(eh, currPage, fakeDD) { let box = null; for (;;) { box = await PptrToolkit.boundingBox(eh); if (box) { // @ts-ignore let deltaX = 0; let deltaY = 0; let viewportAdjust = false; if (box.y <= 0) { deltaY = Math.min(-box.y + 30, helper.rd(100, 300)); deltaY = -deltaY; viewportAdjust = true; } else if (box.y + box.height >= fakeDD.window.innerHeight) { deltaY = Math.min(box.y + box.height - fakeDD.window.innerHeight + 30, helper.rd(100, 300)); viewportAdjust = true; } if (viewportAdjust) { // noinspection TypeScriptValidateTypes const _patchTouchscreenDesc = Object.getOwnPropertyDescriptor(currPage, '_patchTouchscreen'); assert(_patchTouchscreenDesc); const touchscreen = _patchTouchscreenDesc.value; assert(touchscreen); // if deltaY is negative, drop down, otherwise drop up const startX = fakeDD.window.innerWidth / 2 + helper.rd(0, fakeDD.window.innerWidth / 6); const endX = fakeDD.window.innerWidth / 2 + helper.rd(0, fakeDD.window.innerWidth / 6); let startY; let endY; if (deltaY < 0) { startY = helper.rd(0, fakeDD.window.innerHeight - (-deltaY)); endY = startY + deltaY; } else { startY = helper.rd(deltaY, fakeDD.window.innerHeight); endY = startY - deltaY; } await touchscreen.drag({ x: startX, y: startY, }, { x: endX, y: endY, }); await helper.sleepRd(100, 300); } else { break; } } else { break; } } return box; } async simKeyboardPress(text, options = { pauseAfterKeyUp: true, }) { const fb = this.fakeBrowser; if (!fb) { return false; } const currPage = await fb.getActivePage(); assert(currPage); await currPage.keyboard.press(text); if (options && options.pauseAfterKeyUp) { await helper.sleepRd(300, 1000); } return true; } async simKeyboardEnter(options = { pauseAfterKeyUp: true, }) { return await this.simKeyboardPress('Enter', options); } async simKeyboardEsc(options = { pauseAfterKeyUp: true, }) { return await this.simKeyboardPress('Escape', options); } async simKeyboardType(text, options = { pauseAfterLastKeyUp: true, }) { const fb = this.fakeBrowser; if (!fb) { return false; } const currPage = await fb.getActivePage(); assert(currPage); const needsShiftKey = '~!@#$%^&*()_+QWERTYUIOP{}|ASDFGHJKL:"ZXCVBNM<>?'; // TODO: check if shiftKey, alt, ctrl can be fired in mobile browsers for (let ch of text) { let needsShift = false; if (needsShiftKey.includes(ch)) { needsShift = true; await currPage.keyboard.down('ShiftLeft'); await helper.sleepRd(500, 1000); } // if a Chinese character const isCh = ch.match(/^[\u4e00-\u9fa5]/); const delay = isCh ? helper.rd(200, 800) : helper.rd(30, 100); await currPage.keyboard.type('' + ch, { delay }); if (needsShift) { await helper.sleepRd(150, 450); await currPage.keyboard.up('ShiftLeft'); } await helper.sleepRd(30, 100); } if (options && options.pauseAfterLastKeyUp) { await helper.sleepRd(300, 1000); } return true; } } //# 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