Is Pastel safe?

async function registerSubFrame(frame) {  if (!frame.url.startsWith("http://") && !frame.url.startsWith("https://")) {    return;  }  if (!this.mapOfPastelCanvasTabs[frame.tabId] || frame.parentFrameId !== 0) {    return;  }  if (    frame.parentFrameId === 0 && (      frame.url.startsWith("https://renderer.gist.build") ||      frame.url.startsWith("https://code.gist.build") ||      frame.url.startsWith("https://canny.io") ||      frame.url.startsWith("https://td.doubleclick.net") ||      frame.url.startsWith("https://js.stripe.com")    ) ||    frame.parentFrameId > 0 && !this.mapOfPastelCanvasFrames[frame.parentFrameId]  ) {    return;  }  const isPastelProxyUrl =    frame.url.includes("proxy.usepastel.com/_domains/") ||    frame.url.includes("proxy.usepastel.test/_domains/");  this.mapOfPastelCanvasFrames[frame.frameId] = {    tabId: frame.tabId,    frameId: frame.frameId,    parentFrameId: frame.parentFrameId,    url: frame.url  };  await chrome.scripting.executeScript({    target: { tabId: frame.tabId, frameIds: [frame.frameId] },    files: [canvasContentBundleFile],    injectImmediately: true  });  if (!isPastelProxyUrl) {    await chrome.scripting.executeScript({      target: { tabId: frame.tabId, frameIds: [frame.frameId] },      world: "MAIN",      files: [feedbackScriptBundleFile],      injectImmediately: true    });  }}

function getAnnotationPayload() {  const location = getLocation();  return {    comment: this.data.comment,    targetSelector: this.targetSelector,    fallbackTargetSelector: this.fallbackTargetSelector,    targetOffsetX: this.offset.XPercentage,    targetOffsetY: this.offset.YPercentage,    path: this.path,    fullUrl: location.href,    userName: R.user ? R.user.name || R.user.username : this.data.name || "",    avatarUrl: R.user ? R.user.avatarUrl : null,    UserId: R.user ? R.user.id : null,    metadata: this.metadata,    html: this.pastelExtensionExists ? null : captureHtml(),    canvasContents: this.pastelExtensionExists      ? null      : Array.from(querySelectorAll("canvas"))          .map(function(canvas) {            try {              return {                selector: getUniqueSelector(t()(canvas)),                imageData: canvas.toDataURL()              };            } catch (error) {              return false;            }          })          .filter(Boolean),    cookies: document.cookie,    recordedCSSChanges: this.recordedCSSChanges,    credentials: window._PastelHTTPCredentials ? window._PastelHTTPCredentials : null  };}

function start() {  const app = this;  app.mode = "view";  app.deviceType = "desktop";  function isRealClick(event) {    return event.screenX && event.screenX !== 0 && event.screenY && event.screenY !== 0;  }  function clickInterceptor(event) {    const target = t()(event.target || event.srcElement);    if (app.mode === "view") {      return;    }    if (app.isReadOnly) {      l.send("annotation.deselected", {});      return;    }    if (app.newAnnotation && app.newAnnotation.isEditable) {      const isEditableTarget =        target.hasClass("pastel-editable-element") ||        target.closest(".pastel-editable-element").length > 0;      if (!isEditableTarget || event.type !== "click") {        event.preventDefault();        event.stopImmediatePropagation();        event.stopPropagation();      }      return;    }    const selectableTarget =      target.hasClass("pastel-selectable-element") ||      target.closest(".pastel-selectable-element").length > 0;    if (selectableTarget) {      if (event.type === "click") {        event.preventDefault();        event.stopImmediatePropagation();        event.stopPropagation();      }      return;    }    if (!isRealClick(event)) {      return;    }    event.preventDefault();    event.stopImmediatePropagation();    event.stopPropagation();    if (event.type !== "click") {      return;    }    const canCreateAnnotation = !app.closeAnnotations();    l.send("annotation.deselected", {});    if (!app.user && canCreateAnnotation) {      l.send("annotation.create.with.no.user");      return;    }    if (canCreateAnnotation) {      if (app.pastelExtensionExists) {        window.postMessage({ type: "screenshot.trigger", isPastelMessage: true, data: null }, "*");      }      app.newAnnotation = new L(target, event, app.deviceType, app.recordedCSSChanges, app.pastelExtensionExists);      app.newAnnotation.render();      l.send("annotation.new", app.newAnnotation.get());    }  }  document.addEventListener("click", clickInterceptor, true);  document.addEventListener("mousedown", clickInterceptor, true);  document.addEventListener("mouseup", clickInterceptor, true);  document.addEventListener("mouseover", function(event) {    let target = t()(event.target || event.srcElement);    if (app.mode !== "view" && !app.isReadOnly && !(app.newAnnotation && app.newAnnotation.isEditable)) {      const svg = target.closest("svg");      if (svg.length > 0) {        target = svg;      }      t()(".pastel-hover").removeClass("pastel-hover");      if (!target.hasClass("pastel-selectable-element") && target.closest(".pastel-selectable-element").length === 0) {        target.addClass("pastel-hover");      }    }    if (app.newAnnotation) {      event.preventDefault();      event.stopImmediatePropagation();      event.stopPropagation();    }  }, true);  document.addEventListener("mouseout", function(event) {    const relatedTarget = event.relatedTarget || event.toElement;    if (!relatedTarget || relatedTarget.nodeName === "HTML") {      t()(".pastel-hover").removeClass("pastel-hover");    }    if (app.newAnnotation) {      event.preventDefault();      event.stopImmediatePropagation();      event.stopPropagation();    }  }, true);  if (window.PointerEvent) {    document.addEventListener("pointerleave", stopWhenNewAnnotationExists, true);    document.addEventListener("pointerup", stopWhenNewAnnotationExists, true);    document.addEventListener("pointerout", stopWhenNewAnnotationExists, true);  }  window.addEventListener("resize", stopWhenNewAnnotationExists);  function stopWhenNewAnnotationExists(event) {    if (app.newAnnotation) {      event.preventDefault();      event.stopImmediatePropagation();      event.stopPropagation();    }  }  app.watchDOMChanges();  app.watchCSSChanges();  app.watchAnnotationElementPositions();  app.watchKeyEvents();  app.watchNewWindowOpens();  t()(function() {    t()("body").addClass("pastel-body");    if (/iPad|iPhone|iPod/.test(navigator.userAgent) && window.MSStream === undefined) {      t()("html, body").addClass("pastel-ios");    }    app.connectToParentWindow();  });}

function send(type, data = null) {  if (this.parentWindow !== window) {    this.parentWindow.postMessage(new Message(type, data), "*");  }}