« AWS créé un fork de mon projet et le lance comme son propre service », dit le créateur de l'application headless recorder

Auquel Amazon répond : « nous promettons de mieux faire. »

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import eventsToRecord from '../code-generator/dom-events-to-record' 
import UIController from './UIController' 
import actions from '../models/extension-ui-actions' 
import ctrl from '../models/extension-control-messages' 
import finder from '@medv/finder' 
  
const DEFAULT_MOUSE_CURSOR = 'default' 
  
export default class EventRecorder { 
  constructor () { 
    this._boundedMessageListener = null 
    this._eventLog = [] 
    this._previousEvent = null 
    this._dataAttribute = null 
    this._uiController = null 
    this._screenShotMode = false 
    this._isTopFrame = (window.location === window.parent.location) 
    this._isRecordingClicks = true 
  } 
  
  boot () { 
    // We need to check the existence of chrome for testing purposes 
    if (chrome.storage && chrome.storage.local) { 
      chrome.storage.local.get(['options'], ({options}) => { 
        const { dataAttribute } = options ? options.code : {} 
        if (dataAttribute) { 
          this._dataAttribute = dataAttribute 
        } 
        this._initializeRecorder() 
      }) 
    } else { 
      this._initializeRecorder() 
    } 
  } 
  
  _initializeRecorder () { 
    const events = Object.values(eventsToRecord) 
    if (!window.pptRecorderAddedControlListeners) { 
      this._addAllListeners(events) 
      this._boundedMessageListener = this._boundedMessageListener || this._handleBackgroundMessage.bind(this) 
      chrome.runtime.onMessage.addListener(this._boundedMessageListener) 
      window.pptRecorderAddedControlListeners = true 
    } 
  
    if (!window.document.pptRecorderAddedControlListeners && chrome.runtime && chrome.runtime.onMessage) { 
      window.document.pptRecorderAddedControlListeners = true 
    } 
  
    if (this._isTopFrame) { 
      this._sendMessage({ control: ctrl.EVENT_RECORDER_STARTED }) 
      this._sendMessage({ control: ctrl.GET_CURRENT_URL, href: window.location.href }) 
      this._sendMessage({ control: ctrl.GET_VIEWPORT_SIZE, coordinates: { width: window.innerWidth, height: window.innerHeight } }) 
      console.debug('Puppeteer Recorder in-page EventRecorder started') 
    } 
  } 
  
  _handleBackgroundMessage (msg, sender, sendResponse) { 
    console.debug('content-script: message from background', msg) 
    if (msg && msg.action) { 
      switch (msg.action) { 
        case actions.TOGGLE_SCREENSHOT_MODE: 
          this._handleScreenshotMode(false) 
          break 
        case actions.TOGGLE_SCREENSHOT_CLIPPED_MODE: 
          this._handleScreenshotMode(true) 
          break 
        default: 
      } 
    } 
  } 
  
  _addAllListeners (events) { 
    const boundedRecordEvent = this._recordEvent.bind(this) 
    events.forEach(type => { 
      window.addEventListener(type, boundedRecordEvent, true) 
    }) 
  } 
  
  _sendMessage (msg) { 
    // filter messages based on enabled / disabled features 
    if (msg.action === 'click' && !this._isRecordingClicks) return 
  
    try { 
      // poor man's way of detecting whether this script was injected by an actual extension, or is loaded for 
      // testing purposes 
      if (chrome.runtime && chrome.runtime.onMessage) { 
        chrome.runtime.sendMessage(msg) 
      } else { 
        this._eventLog.push(msg) 
      } 
    } catch (err) { 
      console.debug('caught error', err) 
    } 
  } 
  
  _recordEvent (e) { 
    if (this._previousEvent && this._previousEvent.timeStamp === e.timeStamp) return 
    this._previousEvent = e 
  
    // we explicitly catch any errors and swallow them, as none node-type events are also ingested. 
    // for these events we cannot generate selectors, which is OK 
    try { 
      const optimizedMinLength = (e.target.id) ? 2 : 10 // if the target has an id, use that instead of multiple other selectors 
      const selector = this._dataAttribute 
        ? finder(e.target, {seedMinLength: 5, optimizedMinLength: optimizedMinLength, attr: (name, _value) => name === this._dataAttribute}) 
        : finder(e.target, {seedMinLength: 5, optimizedMinLength: optimizedMinLength}) 
  
      const msg = { 
        selector: selector, 
        value: e.target.value, 
        tagName: e.target.tagName, 
        action: e.type, 
        keyCode: e.keyCode ? e.keyCode : null, 
        href: e.target.href ? e.target.href : null, 
        coordinates: EventRecorder._getCoordinates(e) 
      } 
      this._sendMessage(msg) 
    } catch (e) {} 
  } 
  
  _getEventLog () { 
    return this._eventLog 
  } 
  
  _clearEventLog () { 
    this._eventLog = [] 
  } 
  
  _handleScreenshotMode (isClipped) { 
    this._disableClickRecording() 
    this._uiController = new UIController({ showSelector: isClipped }) 
    this._screenShotMode = !this._screenShotMode 
    document.body.style.cursor = 'crosshair' 
  
    console.debug('screenshot mode:', this._screenShotMode) 
  
    if (this._screenShotMode) { 
      this._uiController.showSelector() 
    } else { 
      this._uiController.hideSelector() 
    } 
  
    this._uiController.on('click', event => { 
      this._screenShotMode = false 
      document.body.style.cursor = DEFAULT_MOUSE_CURSOR 
      this._sendMessage({ control: ctrl.GET_SCREENSHOT, value: event.clip }) 
      this._enableClickRecording() 
    }) 
  } 
  
  _disableClickRecording () { 
    this._isRecordingClicks = false 
  } 
  
  _enableClickRecording () { 
    this._isRecordingClicks = true 
  } 
  
  static _getCoordinates (evt) { 
    const eventsWithCoordinates = { 
      mouseup: true, 
      mousedown: true, 
      mousemove: true, 
      mouseover: true 
    } 
    return eventsWithCoordinates[evt.type] ? { x: evt.clientX, y: evt.clientY } : null 
  } 
  
  static _formatDataSelector (element, attribute) { 
    return `[${attribute}="${element.getAttribute(attribute)}"]` 
  } 
}

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import EventEmitter from 'events' 
  
const BORDER_THICKNESS = 3 
  
const defaults = { 
  showSelector: false 
} 
  
class UIController extends EventEmitter { 
  constructor (options) { 
    options = Object.assign({}, defaults, options) 
  
    super() 
    this._overlay = null 
    this._selector = null 
    this._element = null 
    this._dimensions = {} 
    this._showSelector = options.showSelector 
  
    this._boundeMouseMove = this._mousemove.bind(this) 
    this._boundeMouseUp = this._mouseup.bind(this) 
  } 
  
  showSelector () { 
    console.debug('UIController:show') 
    if (!this._overlay) { 
      this._overlay = document.createElement('div') 
      this._overlay.className = 'headlessRecorderOverlay' 
      this._overlay.style.position = 'fixed' 
      this._overlay.style.top = '0px' 
      this._overlay.style.left = '0px' 
      this._overlay.style.width = '100%' 
      this._overlay.style.height = '100%' 
      this._overlay.style.pointerEvents = 'none' 
  
      if (this._showSelector) { 
        this._selector = document.createElement('div') 
        this._selector.className = 'headlessRecorderOutline' 
        this._selector.style.position = 'fixed' 
        this._selector.style.border = BORDER_THICKNESS + 'px solid rgba(69,200,241,0.8)' 
        this._selector.style.borderRadius = '3px' 
        this._overlay.appendChild(this._selector) 
      } 
    } 
    if (!this._overlay.parentNode) { 
      document.body.appendChild(this._overlay) 
      document.body.addEventListener('mousemove', this._boundeMouseMove, false) 
      document.body.addEventListener('click', this._boundeMouseUp, false) 
    } 
  } 
  
  hideSelector () { 
    console.debug('UIController:hide') 
    if (this._overlay) { 
      document.body.removeChild(this._overlay) 
    } 
    this._overlay = this._selector = this._element = null 
    this._dimensions = {} 
  } 
  
  _mousemove (e) { 
    if (this._element !== e.target) { 
      this._element = e.target 
  
      this._dimensions.top = -window.scrollY 
      this._dimensions.left = -window.scrollX 
  
      let elem = e.target 
  
      while (elem && elem !== document.body) { 
        this._dimensions.top += elem.offsetTop 
        this._dimensions.left += elem.offsetLeft 
        elem = elem.offsetParent 
      } 
      this._dimensions.width = this._element.offsetWidth 
      this._dimensions.height = this._element.offsetHeight 
  
      if (this._selector) { 
        this._selector.style.top = (this._dimensions.top - BORDER_THICKNESS) + 'px' 
        this._selector.style.left = (this._dimensions.left - BORDER_THICKNESS) + 'px' 
        this._selector.style.width = this._dimensions.width + 'px' 
        this._selector.style.height = this._dimensions.height + 'px' 
        console.debug(`top: ${this._selector.style.top}, left: ${this._selector.style.left}, width: ${this._selector.style.width}, height: ${this._selector.style.height}`) 
      } 
    } 
  } 
  _mouseup (e) { 
    this._overlay.style.backgroundColor = 'white' 
    setTimeout(() => { 
      this._overlay.style.backgroundColor = 'none' 
      this._cleanup() 
  
      let clip = null 
  
      if (this._selector) { 
        clip = { 
          x: this._selector.style.left, 
          y: this._selector.style.top, 
          width: this._selector.style.width, 
          height: this._selector.style.height 
        } 
      } 
  
      this.emit('click', { clip, raw: e }) 
    }, 100) 
  } 
  
  _cleanup () { 
    document.body.removeEventListener('mousemove', this._boundeMouseMove, false) 
    document.body.removeEventListener('mouseup', this._boundeMouseUp, false) 
    document.body.removeChild(this._overlay) 
  } 
} 
  
module.exports = UIController