/
element.ts
1190 lines (906 loc) · 51.4 KB
/
element.ts
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import INTERNAL_PROPS from '../../../processing/dom/internal-properties';
import SandboxBase from '../base';
import NodeSandbox from '../node/index';
import DomProcessor from '../../../processing/dom';
import nativeMethods from '../native-methods';
import domProcessor from '../../dom-processor';
import { processScript } from '../../../processing/script';
import styleProcessor from '../../../processing/style';
import * as urlUtils from '../../utils/url';
import * as domUtils from '../../utils/dom';
import * as hiddenInfo from '../upload/hidden-info';
import urlResolver from '../../utils/url-resolver';
import { sameOriginCheck, get as getDestLocation } from '../../utils/destination-location';
import { isValidEventListener, stopPropagation } from '../../utils/event';
import { processHtml, isInternalHtmlParserElement } from '../../utils/html';
import { getNativeQuerySelector, getNativeQuerySelectorAll } from '../../utils/query-selector';
import { HASH_RE } from '../../../utils/url';
import trim from '../../../utils/string-trim';
import * as windowsStorage from '../windows-storage';
import { refreshAttributesWrapper } from './attributes';
import ShadowUI from '../shadow-ui';
import DOMMutationTracker from './live-node-list/dom-mutation-tracker';
import { ATTRS_WITH_SPECIAL_PROXYING_LOGIC } from '../../../processing/dom/attributes';
import settings from '../../settings';
import { overrideDescriptor, overrideFunction } from '../../utils/overriding';
import InsertPosition from '../../utils/insert-position';
import { isFirefox } from '../../utils/browser';
import UploadSandbox from '../upload';
import IframeSandbox from '../iframe';
import EventSandbox from '../event';
import ChildWindowSandbox from '../child-window';
import isKeywordTarget from '../../../utils/is-keyword-target';
import BUILTIN_HEADERS from '../../../request-pipeline/builtin-header-names';
import { getDestinationUrl } from '../../utils/url';
const RESTRICTED_META_HTTP_EQUIV_VALUES = [BUILTIN_HEADERS.refresh, BUILTIN_HEADERS.contentSecurityPolicy];
enum IsNsNode {
Ns,
Node
}
export default class ElementSandbox extends SandboxBase {
overriddenMethods: any;
BEFORE_FORM_SUBMIT_EVENT = 'hammerhead|event|before-form-submit';
SCRIPT_ELEMENT_ADDED_EVENT = 'hammerhead|event|script-added';
constructor (private readonly _nodeSandbox: NodeSandbox,
private readonly _uploadSandbox: UploadSandbox,
private readonly _iframeSandbox: IframeSandbox,
private readonly _shadowUI: ShadowUI,
private readonly _eventSandbox: EventSandbox,
private readonly _childWindowSandbox: ChildWindowSandbox) {
super();
this.overriddenMethods = null;
}
private static _onTargetChanged (el: HTMLElement): void {
const tagName = domUtils.getTagName(el);
const targetAttr = domProcessor.getTargetAttr(el);
if (!DomProcessor.isIframeFlagTag(tagName))
return;
let urlAttr = '';
if (targetAttr === 'target')
urlAttr = tagName === 'form' ? 'action' : 'href';
else if (targetAttr === 'formtarget')
urlAttr = 'formaction';
const storedUrlAttr = DomProcessor.getStoredAttrName(urlAttr);
if (el.hasAttribute(storedUrlAttr)) {
const url = el.getAttribute(storedUrlAttr);
if (urlUtils.isSupportedProtocol(url))
el.setAttribute(urlAttr, url as string);
}
}
private static _setProxiedSrc (img: HTMLImageElement): void {
if (img[INTERNAL_PROPS.forceProxySrcForImage])
return;
const imgSrc = nativeMethods.imageSrcGetter.call(img);
const skipNextLoadEvent = !!imgSrc && img.complete && !img[INTERNAL_PROPS.cachedImage];
img[INTERNAL_PROPS.forceProxySrcForImage] = true;
if (imgSrc)
img.setAttribute('src', imgSrc);
img[INTERNAL_PROPS.skipNextLoadEventForImage] = skipNextLoadEvent;
}
getAttributeCore (el: HTMLElement, args, isNs?: boolean) {
const attr = String(args[isNs ? 1 : 0]);
const loweredAttr = attr.toLowerCase();
const ns = isNs ? args[0] : null;
const getAttrMeth = isNs ? nativeMethods.getAttributeNS : nativeMethods.getAttribute;
const tagName = domUtils.getTagName(el);
if (loweredAttr === 'style')
return styleProcessor.cleanUp(getAttrMeth.apply(el, args), urlUtils.parseProxyUrl);
// OPTIMIZATION: The hasAttribute method is very slow.
if (domProcessor.isUrlAttr(el, loweredAttr, ns) ||
domProcessor.EVENTS.indexOf(loweredAttr) !== -1 ||
ATTRS_WITH_SPECIAL_PROXYING_LOGIC.indexOf(loweredAttr) !== -1) {
const storedAttrName = DomProcessor.getStoredAttrName(attr);
const storedAttrValue = getAttrMeth.apply(el, isNs ? [ns, storedAttrName] : [storedAttrName]);
if (DomProcessor.isAddedAutocompleteAttr(loweredAttr, storedAttrValue))
return null;
else if (el.hasAttribute(storedAttrName))
args[isNs ? 1 : 0] = storedAttrName;
}
else if (!isNs && (
// NOTE: We simply remove the 'integrity' attribute because its value will not be relevant after the script
// content changes (http://www.w3.org/TR/SRI/). If this causes problems in the future, we will need to generate
// the correct SHA for the changed script. (GH-235)
loweredAttr === 'integrity' && DomProcessor.isTagWithIntegrityAttr(tagName) ||
// NOTE: We simply remove the 'rel' attribute if rel='prefetch' and use stored 'rel' attribute, because the prefetch
// resource type is unknown. https://github.com/DevExpress/testcafe/issues/2528
loweredAttr === 'rel' && tagName === 'link' ||
loweredAttr === 'required' && domUtils.isFileInput(el) ||
loweredAttr === 'srcdoc' && tagName === 'iframe'
)) {
const storedAttr = DomProcessor.getStoredAttrName(attr);
if (nativeMethods.hasAttribute.call(el, storedAttr))
args[0] = storedAttr;
}
return getAttrMeth.apply(el, args);
}
setAttributeCore (el: HTMLElement, args, isNs?: boolean) {
const ns = isNs ? args[0] : null;
const attr = String(args[isNs ? 1 : 0]);
const loweredAttr = attr.toLowerCase();
const valueIndex = isNs ? 2 : 1;
const value = String(args[valueIndex]);
const setAttrMeth = isNs ? nativeMethods.setAttributeNS : nativeMethods.setAttribute;
const tagName = domUtils.getTagName(el);
const isUrlAttr = domProcessor.isUrlAttr(el, attr, ns);
const isEventAttr = domProcessor.EVENTS.indexOf(attr) !== -1;
let needToCallTargetChanged = false;
let needToRecalcHref = false;
const isSpecialPage = urlUtils.isSpecialPage(value);
const isSupportedProtocol = urlUtils.isSupportedProtocol(value);
if (isUrlAttr && !isSupportedProtocol && !isSpecialPage || isEventAttr) {
const isJsProtocol = DomProcessor.isJsProtocol(value);
const storedJsAttr = DomProcessor.getStoredAttrName(attr);
if (isUrlAttr && isJsProtocol || isEventAttr)
args[valueIndex] = DomProcessor.processJsAttrValue(value, { isJsProtocol, isEventAttr });
setAttrMeth.apply(el, isNs ? [ns, storedJsAttr, value] : [storedJsAttr, value]);
}
else if (isUrlAttr && (isSupportedProtocol || isSpecialPage)) {
const storedUrlAttr = DomProcessor.getStoredAttrName(attr);
setAttrMeth.apply(el, isNs ? [ns, storedUrlAttr, value] : [storedUrlAttr, value]);
if (tagName !== 'img' || el[INTERNAL_PROPS.forceProxySrcForImage]) {
if (tagName === 'img')
el[INTERNAL_PROPS.skipNextLoadEventForImage] = false;
if (value !== '' && (!isSpecialPage || tagName === 'a')) {
const isIframe = tagName === 'iframe' || tagName === 'frame';
const isScript = tagName === 'script';
const isCrossDomainUrl = isSupportedProtocol && !sameOriginCheck(location.toString(), value);
let resourceType = domProcessor.getElementResourceType(el);
const elCharset = isScript && (el as HTMLScriptElement).charset; // eslint-disable-line no-extra-parens
const currentDocument = el.ownerDocument || this.document;
if (loweredAttr === 'formaction' && !nativeMethods.hasAttribute.call(el, 'formtarget')) {
resourceType = urlUtils.stringifyResourceType({ isForm: true });
if ((el as HTMLFormElement).form && nativeMethods.hasAttribute.call((el as HTMLFormElement).form, 'action')) { // eslint-disable-line no-extra-parens
const parsedFormAction = urlUtils.parseProxyUrl(nativeMethods.formActionGetter.call((el as HTMLFormElement).form)); // eslint-disable-line no-extra-parens
if (parsedFormAction)
resourceType = parsedFormAction.resourceType;
}
}
if (ElementSandbox._isHrefAttrForBaseElement(el, attr) &&
domUtils.isElementInDocument(el, currentDocument))
urlResolver.updateBase(value, currentDocument);
args[valueIndex] = isIframe && isCrossDomainUrl
? urlUtils.getCrossDomainIframeProxyUrl(value)
: urlUtils.getProxyUrl(value, { resourceType, charset: elCharset, doc: currentDocument });
}
}
else if (value && !isSpecialPage && !urlUtils.parseProxyUrl(value)) {
args[valueIndex] = el[INTERNAL_PROPS.forceProxySrcForImage]
? urlUtils.getProxyUrl(value)
: urlUtils.resolveUrlAsDest(value);
}
if (!nativeMethods.nodeParentNodeGetter.call(el)) {
nativeMethods.objectDefineProperty(el, INTERNAL_PROPS.currentBaseUrl, {
value: urlResolver.getBaseUrl(document),
configurable: true,
writable: true
});
}
}
else if (loweredAttr === 'autocomplete') {
const storedAutocompleteAttr = DomProcessor.getStoredAttrName(attr);
setAttrMeth.apply(el, isNs ? [ns, storedAutocompleteAttr, value] : [storedAutocompleteAttr, value]);
args[valueIndex] = 'off';
}
else if (loweredAttr === 'target' && DomProcessor.isTagWithTargetAttr(tagName) ||
loweredAttr === 'formtarget' && DomProcessor.isTagWithFormTargetAttr(tagName)) {
const currentTarget = nativeMethods.getAttribute.call(el, loweredAttr);
const newTarget = this.getCorrectedTarget(value);
if (newTarget !== currentTarget) {
const storedTargetAttr = DomProcessor.getStoredAttrName(attr);
setAttrMeth.apply(el, isNs ? [ns, storedTargetAttr, value] : [storedTargetAttr, value]);
args[valueIndex] = newTarget;
needToCallTargetChanged = true;
}
else
return null;
}
else if (attr === 'sandbox') {
const storedSandboxAttr = DomProcessor.getStoredAttrName(attr);
const allowSameOrigin = value.indexOf('allow-same-origin') !== -1;
const allowScripts = value.indexOf('allow-scripts') !== -1;
setAttrMeth.apply(el, isNs ? [ns, storedSandboxAttr, value] : [storedSandboxAttr, value]);
if (!allowSameOrigin || !allowScripts) {
args[valueIndex] += !allowSameOrigin ? ' allow-same-origin' : '';
args[valueIndex] += !allowScripts ? ' allow-scripts' : '';
}
if (el[this._nodeSandbox.win.SANDBOX_DOM_TOKEN_LIST_UPDATE_FN])
(el[this._nodeSandbox.win.SANDBOX_DOM_TOKEN_LIST_UPDATE_FN] as Function)(value);
}
// TODO: remove after https://github.com/DevExpress/testcafe-hammerhead/issues/244 implementation
else if (tagName === 'meta' && attr === 'http-equiv') {
const loweredValue = value.toLowerCase();
if (RESTRICTED_META_HTTP_EQUIV_VALUES.indexOf(loweredValue) !== -1)
return null;
}
else if (loweredAttr === 'xlink:href' &&
domProcessor.SVG_XLINK_HREF_TAGS.indexOf(tagName) !== -1 &&
domUtils.isSVGElement(el)) {
const storedXLinkHrefAttr = DomProcessor.getStoredAttrName(attr);
setAttrMeth.apply(el, isNs ? [ns, storedXLinkHrefAttr, value] : [storedXLinkHrefAttr, value]);
if (!HASH_RE.test(value))
args[valueIndex] = urlUtils.getProxyUrl(value);
}
else if (loweredAttr === 'style')
args[valueIndex] = styleProcessor.process(value, urlUtils.getProxyUrl);
else if (!isNs && loweredAttr === 'integrity' && DomProcessor.isTagWithIntegrityAttr(tagName)) {
const storedIntegrityAttr = DomProcessor.getStoredAttrName(attr);
return setAttrMeth.apply(el, [storedIntegrityAttr, value]);
}
else if (!isNs && loweredAttr === 'rel' && tagName === 'link') {
const currentValue = nativeMethods.getAttribute.call(el, 'rel');
const formatedValue = trim(value.toLowerCase());
const storedRelAttr = DomProcessor.getStoredAttrName(attr);
needToRecalcHref = value !== currentValue && (value === domProcessor.MODULE_PRELOAD_LINK_REL ||
currentValue === domProcessor.MODULE_PRELOAD_LINK_REL);
if (formatedValue === 'prefetch') {
nativeMethods.removeAttribute.call(el, attr);
args[0] = storedRelAttr;
}
else
nativeMethods.removeAttribute.call(el, storedRelAttr);
}
else if (!isNs && loweredAttr === 'as' && tagName === 'link') {
const currentValue = nativeMethods.getAttribute.call(el, 'as');
needToRecalcHref = value !== currentValue && (value === domProcessor.PROCESSED_PRELOAD_LINK_CONTENT_TYPE ||
currentValue === domProcessor.PROCESSED_PRELOAD_LINK_CONTENT_TYPE);
}
else if (!isNs && loweredAttr === 'required' && domUtils.isFileInput(el)) {
const storedRequiredAttr = DomProcessor.getStoredAttrName(attr);
nativeMethods.removeAttribute.call(el, attr);
args[0] = storedRequiredAttr;
}
else if (!isNs && loweredAttr === 'type' && domUtils.isInputElement(el)) {
const currentType = nativeMethods.getAttribute.call(el, loweredAttr);
const newType = value.toLowerCase();
const storedRequiredAttr = DomProcessor.getStoredAttrName('required');
const currentRequired = nativeMethods.hasAttribute.call(el, storedRequiredAttr)
? nativeMethods.getAttribute.call(el, storedRequiredAttr)
: nativeMethods.getAttribute.call(el, 'required');
const typeIsChanged = !currentType || newType !== currentType.toLowerCase();
if (typeIsChanged && currentRequired !== null) {
if (newType === 'file') {
nativeMethods.setAttribute.call(el, storedRequiredAttr, currentRequired);
nativeMethods.removeAttribute.call(el, 'required');
}
else if (currentType === 'file') {
nativeMethods.setAttribute.call(el, 'required', currentRequired);
nativeMethods.removeAttribute.call(el, storedRequiredAttr);
}
}
}
else if (!isNs && loweredAttr === 'srcdoc' && tagName === 'iframe') {
const storedAttr = DomProcessor.getStoredAttrName(attr);
setAttrMeth.apply(el, [storedAttr, value]);
args[valueIndex] = domProcessor.adapter.processSrcdocAttr(value);
}
const result = setAttrMeth.apply(el, args);
if (tagName === 'img' && !el[INTERNAL_PROPS.forceProxySrcForImage] && (el as HTMLImageElement).complete && !isFirefox) // eslint-disable-line no-extra-parens
el[INTERNAL_PROPS.cachedImage] = true;
if (needToCallTargetChanged)
ElementSandbox._onTargetChanged(el);
if (needToRecalcHref && nativeMethods.hasAttribute.call(el, 'href'))
this.setAttributeCore(el, ['href', nativeMethods.getAttribute.call(el, 'href')]);
return result;
}
private _hasAttributeCore (el: HTMLElement, args, isNs: boolean) {
const attributeNameArgIndex = isNs ? 1 : 0;
const hasAttrMeth = isNs ? nativeMethods.hasAttributeNS : nativeMethods.hasAttribute;
const storedAutocompleteAttrName = DomProcessor.getStoredAttrName('autocomplete');
const storedAutocompleteAttrValue = nativeMethods.getAttribute.call(el, storedAutocompleteAttrName);
const tagName = domUtils.getTagName(el);
if (typeof args[attributeNameArgIndex] === 'string' &&
DomProcessor.isAddedAutocompleteAttr(args[attributeNameArgIndex], storedAutocompleteAttrValue))
return false;
// NOTE: We simply remove the 'integrity' attribute because its value will not be relevant after the script
// content changes (http://www.w3.org/TR/SRI/). If this causes problems in the future, we will need to generate
// the correct SHA for the changed script.
// _hasAttributeCore returns true for 'integrity' attribute if the stored attribute is exists. (GH-235)
else if (!isNs && args[0] === 'integrity' &&
DomProcessor.isTagWithIntegrityAttr(tagName))
args[0] = DomProcessor.getStoredAttrName('integrity');
// NOTE: We simply remove the 'rel' attribute if rel='prefetch' and use stored 'rel' attribute, because the prefetch
// resource type is unknown.
// _hasAttributeCore returns true for 'rel' attribute if the original 'rel' or stored attribute is exists.
// https://github.com/DevExpress/testcafe/issues/2528
else if (!isNs && args[0] === 'rel' && tagName === 'link') {
const storedRelAttr = DomProcessor.getStoredAttrName(args[0]);
return hasAttrMeth.apply(el, args) || hasAttrMeth.apply(el, [storedRelAttr]);
}
else if (!isNs && args[0] === 'required' && domUtils.isFileInput(el)) {
const storedRequiredAttr = DomProcessor.getStoredAttrName(args[0]);
return hasAttrMeth.apply(el, args) || hasAttrMeth.call(el, storedRequiredAttr);
}
return hasAttrMeth.apply(el, args);
}
private static _removeStoredAttrNode (node: Node & { name: string, namespaceURI: string }) {
let storedNode: Node;
const storedAttr = DomProcessor.getStoredAttrName(node.name);
if (node.namespaceURI)
storedNode = nativeMethods.getAttributeNodeNS.call(this, node.namespaceURI, storedAttr);
else
storedNode = nativeMethods.getAttributeNode.call(this, storedAttr);
if (storedNode)
nativeMethods.removeAttributeNode.call(this, storedNode);
}
removeAttributeCore (el: HTMLElement, args, isNsNode?: IsNsNode) {
let attr: string;
let node: Node & { name: string, namespaceURI: string };
let removeStoredAttrFunc: Function;
const isNs = isNsNode === IsNsNode.Ns;
const isNode = isNsNode === IsNsNode.Node;
if (isNode) {
node = args[0];
attr = node.name;
removeStoredAttrFunc = ElementSandbox._removeStoredAttrNode;
}
else {
attr = String(args[isNs ? 1 : 0]);
removeStoredAttrFunc = isNs ? nativeMethods.removeAttributeNS : nativeMethods.removeAttribute;
}
const formatedAttr = attr.toLowerCase();
const tagName = domUtils.getTagName(el);
let result = void 0;
if (domProcessor.isUrlAttr(el, formatedAttr, isNs ? args[0] : null) || formatedAttr === 'sandbox' ||
formatedAttr === 'autocomplete' ||
domProcessor.EVENTS.indexOf(formatedAttr) !== -1 ||
formatedAttr === 'target' && DomProcessor.isTagWithTargetAttr(tagName) ||
formatedAttr === 'formtarget' && DomProcessor.isTagWithFormTargetAttr(tagName)) {
const storedAttr = DomProcessor.getStoredAttrName(attr);
if (formatedAttr === 'autocomplete')
nativeMethods.setAttribute.call(el, storedAttr, domProcessor.AUTOCOMPLETE_ATTRIBUTE_ABSENCE_MARKER);
else
removeStoredAttrFunc.apply(el, isNs ? [args[0], storedAttr] : [isNode ? node : storedAttr]);
}
else if (!isNs && formatedAttr === 'rel' && tagName === 'link') {
const storedRelAttr = DomProcessor.getStoredAttrName(attr);
removeStoredAttrFunc.apply(el, [isNode ? node : storedRelAttr]);
}
else if (!isNs && formatedAttr === 'required' && domUtils.isFileInput(el)) {
const storedRequiredAttr = DomProcessor.getStoredAttrName(attr);
removeStoredAttrFunc.call(el, isNode ? node : storedRequiredAttr);
}
else if (!isNs && formatedAttr === 'type' && domUtils.isInputElement(el)) {
const storedRequiredAttr = DomProcessor.getStoredAttrName('required');
if (nativeMethods.hasAttribute.call(el, storedRequiredAttr)) {
const currentRequired = nativeMethods.getAttribute.call(el, storedRequiredAttr);
nativeMethods.setAttribute.call(el, 'required', currentRequired);
nativeMethods.removeAttribute.call(el, storedRequiredAttr);
}
}
if (ElementSandbox._isHrefAttrForBaseElement(el, formatedAttr))
urlResolver.updateBase(getDestLocation(), this.document);
if (formatedAttr !== 'autocomplete') {
if (isNode) {
const removeArgs = [nativeMethods.getAttributeNodeNS.call(el, node.namespaceURI, node.name)];
for (let i = 1, ilen = args.length; i < ilen; ++i) removeArgs.push(args[i]);
result = nativeMethods.removeAttributeNode.apply(el, removeArgs);
}
else {
const removeAttrFunc = isNs ? nativeMethods.removeAttributeNS : nativeMethods.removeAttribute;
result = removeAttrFunc.apply(el, args);
}
}
if (formatedAttr === 'target' && DomProcessor.isTagWithTargetAttr(tagName) ||
formatedAttr === 'formtarget' && DomProcessor.isTagWithFormTargetAttr(tagName))
ElementSandbox._onTargetChanged(el);
return result;
}
private static _getChildNodesArray (args: (string | Node)[], range: [number, number]): Node[] {
const result = [] as Node[];
const [start, end] = range;
if (args.length === 0)
return result;
for (let i = start; i < end; i++) {
const node = args[i];
if (domUtils.isDocumentFragmentNode(node)) {
const childNodes = nativeMethods.nodeChildNodesGetter.call(node);
result.push.apply(result, domUtils.nodeListToArray(childNodes));
}
else if (typeof node !== 'string')
result.push(node);
}
return result;
}
private _addNodeCore<K, A extends (string | Node)[]> (
parent: Element | Node & ParentNode, context: Element | Node & ParentNode,
newNodesRange: [number, number], args: A, nativeFn: (...args: A) => K, checkBody = true, stringifyNode = false): K {
this._prepareNodesForInsertion(args, newNodesRange, parent, stringifyNode);
let result = null;
const childNodesArray = ElementSandbox._getChildNodesArray(args, newNodesRange);
// NOTE: Before the page's <body> is processed and added to DOM,
// some javascript frameworks create their own body element, perform
// certain manipulations and then remove it.
// Therefore, we need to check if the body element is present in DOM
if (checkBody && domUtils.isBodyElementWithChildren(parent) && domUtils.isElementInDocument(parent)) {
const newNodes = nativeMethods.arraySlice.apply(args, newNodesRange);
result = this._shadowUI.insertBeforeRoot(newNodes);
}
else
result = nativeFn.apply(context, args);
for (const child of childNodesArray)
this._onElementAdded(child);
return result;
}
private _removeNodeCore <K, A extends Node[]> (context: Node, args: A, removingNode: Node, nativeFn: (...args: A) => K): K {
this._onRemoveFileInputInfo(removingNode);
this._onRemoveIframe(removingNode);
const result = nativeFn.apply(context, args);
this._onElementRemoved(removingNode);
return result;
}
private _prepareNodesForInsertion (args: (string | Node | any)[], newNodesRange: [number, number], parentNode: Node, stringifyNode = false): void {
if (args.length === 0)
return;
const [start, end] = newNodesRange;
for (let i = start; i < end; i++) {
let node = args[i];
if (domUtils.isTextNode(node))
node.data = ElementSandbox._processTextContent(node.data, parentNode);
else if (domUtils.isDomElement(node) ||
domUtils.isDocumentFragmentNode(node) ||
domUtils.isCommentNode(node))
this._nodeSandbox.processNodes(node as Element | DocumentFragment);
else {
if (stringifyNode)
node = String(node);
if (typeof node === 'string')
args[i] = ElementSandbox._processTextContent(node, parentNode);
}
}
}
private _insertAdjacentTextOrElement<K, A extends [string, string | Element]> (
context: Element, args: A, nativeFn: (...args: A) => K): K {
const position = args[0]?.toLocaleLowerCase?.();
const parent = position === InsertPosition.beforeBegin || position === InsertPosition.afterEnd
? nativeMethods.nodeParentNodeGetter.call(context)
: context;
if (!parent)
return nativeMethods.insertAdjacentElement.apply(context, args);
return this._addNodeCore(parent, context, [1, 2], args,
nativeFn, position === InsertPosition.beforeEnd);
}
private _createOverriddenMethods () {
// NOTE: We need the closure because a context of overridden methods is an html element
const sandbox = this;
this.overriddenMethods = {
appendData (this: CharacterData, text: string) {
const parentNode = nativeMethods.nodeParentNodeGetter.call(this);
nativeMethods.nodeTextContentSetter.call(this, nativeMethods.nodeTextContentGetter.call(this) + text);
if (parentNode)
this.data = ElementSandbox._processTextContent(this.data, parentNode);
},
insertRow () {
const nativeMeth = domUtils.isTableElement(this)
? nativeMethods.insertTableRow
: nativeMethods.insertTBodyRow;
const row = nativeMeth.apply(this, arguments);
sandbox._nodeSandbox.processNodes(row);
return row;
},
insertCell () {
const cell = nativeMethods.insertCell.apply(this, arguments);
sandbox._nodeSandbox.processNodes(cell);
return cell;
},
insertAdjacentHTML (this: Element, ...args: Parameters<Element['insertAdjacentHTML']>) {
const position = args[0]?.toLocaleLowerCase?.();
const html = args[1];
const parent = position === InsertPosition.beforeBegin || position === InsertPosition.afterEnd
? nativeMethods.nodeParentNodeGetter.call(this)
: this;
if (args.length > 1 && html !== null && parent) {
args[1] = processHtml(String(html), {
parentTag: parent['tagName'],
processedContext: parent[INTERNAL_PROPS.processedContext]
});
}
nativeMethods.insertAdjacentHTML.apply(this, args);
if (!parent)
return;
sandbox._nodeSandbox.processNodes(parent);
DOMMutationTracker.onChildrenChanged(parent);
},
insertAdjacentElement (this: Element, ...args: Parameters<Element['insertAdjacentElement']>) {
return sandbox._insertAdjacentTextOrElement(this, args, nativeMethods.insertAdjacentElement);
},
insertAdjacentText (this: Element, ...args: Parameters<Element['insertAdjacentText']>) {
return sandbox._insertAdjacentTextOrElement(this, args, nativeMethods.insertAdjacentText);
},
formSubmit () {
sandbox._ensureTargetContainsExistingBrowsingContext(this);
const args = { form: this, preventSubmit: false };
sandbox.emit(sandbox.BEFORE_FORM_SUBMIT_EVENT, args);
// HACK: For https://github.com/DevExpress/testcafe/issues/3560
// We have to cancel every form submit after a test is done
// to prevent requests to a closed session
if (!args.preventSubmit)
return nativeMethods.formSubmit.apply(this, arguments);
return null;
},
insertBefore (this: Node & ParentNode, ...args: Parameters<Node['insertBefore']>) {
return sandbox._addNodeCore(this, this, [0, 1], args, nativeMethods.insertBefore, !args[1]);
},
appendChild (this: Node & ParentNode, ...args: Parameters<Node['appendChild']>) {
return sandbox._addNodeCore(this, this, [0, 1], args, nativeMethods.appendChild);
},
append (this: Element, ...args: Parameters<Element['append']>) {
return sandbox._addNodeCore(this, this, [0, args.length], args, nativeMethods.append, true, true);
},
prepend (this: Element, ...args: Parameters<Element['prepend']>) {
return sandbox._addNodeCore(this, this, [0, args.length], args, nativeMethods.prepend, false);
},
after (this: Element, ...args: Parameters<Element['after']>) {
const parent = nativeMethods.nodeParentNodeGetter.call(this);
if (!parent)
return nativeMethods.after.apply(this, args);
return sandbox._addNodeCore(parent, this, [0, args.length], args, nativeMethods.after, false);
},
removeChild (this: Node, ...args: Parameters<Node['removeChild']>) {
return sandbox._removeNodeCore(this, args, args[0], nativeMethods.removeChild);
},
remove (this: Element, ...args: Parameters<Element['remove']>) {
return sandbox._removeNodeCore(this, args, this, nativeMethods.remove);
},
elementReplaceWith (this: Element, ...args: Parameters<Element['replaceWith']>) {
const parentNode = nativeMethods.nodeParentNodeGetter.call(this);
if (!parentNode)
return nativeMethods.elementReplaceWith.apply(this, args);
const newNodesRange = [0, args.length] as [number, number];
sandbox._prepareNodesForInsertion(args, newNodesRange, parentNode);
const childNodesArray = ElementSandbox._getChildNodesArray(args, newNodesRange);
sandbox._onRemoveFileInputInfo(this);
sandbox._onRemoveIframe(this);
const result = nativeMethods.elementReplaceWith.apply(this, args);
sandbox._onElementRemoved(this);
for (const child of childNodesArray)
sandbox._onElementAdded(child);
return result;
},
replaceChild (this: Node, ...args: Parameters<Node['replaceChild']>) {
const [newChild, oldChild] = args;
if (domUtils.isTextNode(newChild))
newChild.data = ElementSandbox._processTextContent(newChild.data, this);
sandbox._onRemoveFileInputInfo(oldChild);
const result = nativeMethods.replaceChild.apply(this, arguments);
sandbox._onAddFileInputInfo(newChild);
DOMMutationTracker.onElementChanged(newChild);
DOMMutationTracker.onElementChanged(oldChild);
return result;
},
cloneNode () {
const clone = nativeMethods.cloneNode.apply(this, arguments);
sandbox._nodeSandbox.processNodes(clone);
return clone;
},
attachShadow (...args: Parameters<Element['attachShadow']>) {
const root = nativeMethods.attachShadow.apply(this, args);
nativeMethods.objectDefineProperty(root, domUtils.SHADOW_ROOT_PARENT_ELEMENT, { value: this });
return root;
},
getAttribute () {
return sandbox.getAttributeCore(this, arguments);
},
getAttributeNS () {
return sandbox.getAttributeCore(this, arguments, true);
},
setAttribute () {
const result = sandbox.setAttributeCore(this, arguments);
refreshAttributesWrapper(this);
return result;
},
setAttributeNS () {
const result = sandbox.setAttributeCore(this, arguments, true);
refreshAttributesWrapper(this);
return result;
},
removeAttribute () {
const result = sandbox.removeAttributeCore(this, arguments);
refreshAttributesWrapper(this);
return result;
},
removeAttributeNS () {
const result = sandbox.removeAttributeCore(this, arguments, IsNsNode.Ns);
refreshAttributesWrapper(this);
return result;
},
removeAttributeNode () {
const result = sandbox.removeAttributeCore(this, arguments, IsNsNode.Node);
refreshAttributesWrapper(this);
return result;
},
querySelector () {
if (typeof arguments[0] === 'string')
arguments[0] = NodeSandbox.processSelector(arguments[0]);
return getNativeQuerySelector(this).apply(this, arguments);
},
querySelectorAll () {
if (typeof arguments[0] === 'string')
arguments[0] = NodeSandbox.processSelector(arguments[0]);
return getNativeQuerySelectorAll(this).apply(this, arguments);
},
hasAttribute () {
return sandbox._hasAttributeCore(this, arguments, false);
},
hasAttributeNS () {
return sandbox._hasAttributeCore(this, arguments, true);
},
hasAttributes () {
if (nativeMethods.elementAttributesGetter.call(this).length === 2 &&
nativeMethods.elementAttributesGetter.call(this).getNamedItem('autocomplete') &&
nativeMethods.elementAttributesGetter.call(this).getNamedItem(DomProcessor.getStoredAttrName('autocomplete')))
return sandbox._hasAttributeCore(this, ['autocomplete'], false);
return nativeMethods.hasAttributes.apply(this, arguments);
},
anchorToString () {
return getDestinationUrl(nativeMethods.anchorToString.call(this));
},
registerElement (...args) {
const opts = args[1];
if (opts && opts.prototype && opts.prototype.createdCallback) {
const storedCreatedCallback = opts.prototype.createdCallback;
opts.prototype.createdCallback = function () {
if (!isInternalHtmlParserElement(this))
storedCreatedCallback.call(this);
};
}
return nativeMethods.registerElement.apply(this, args);
}
};
}
private static _processTextContent (str: string, parentNode: Node): string {
if (!parentNode['tagName'])
return str;
if (domUtils.isScriptElement(parentNode))
return processScript(str, true, false, urlUtils.convertToProxyUrl);
if (domUtils.isStyleElement(parentNode))
return styleProcessor.process(str, urlUtils.getProxyUrl);
return str;
}
private static _isHrefAttrForBaseElement (el: HTMLElement, attr: string): boolean {
return domUtils.isBaseElement(el) && attr === 'href';
}
private static _removeFileInputInfo (el: HTMLInputElement): void {
hiddenInfo.removeInputInfo(el);
}
private static _hasShadowUIParentOrContainsShadowUIClassPostfix (el: Node): boolean {
const parent = nativeMethods.nodeParentNodeGetter.call(el);
return parent && domUtils.isShadowUIElement(parent) || ShadowUI.containsShadowUIClassPostfix(el);
}
private _isFirstBaseTagOnPage (el: HTMLBaseElement): boolean {
const doc = el.ownerDocument || this.document;
return nativeMethods.querySelector.call(doc, 'base') === el;
}
private _onAddFileInputInfo (el): void {
if (!domUtils.isDomElement(el))
return;
const fileInputs = domUtils.getFileInputs(el);
for (const fileInput of fileInputs)
this.addFileInputInfo(fileInput);
}
private _onRemoveFileInputInfo (el: Node): void {
if (!domUtils.isDomElement(el))
return;
if (domUtils.isFileInput(el))
ElementSandbox._removeFileInputInfo(el);
else
domUtils.find(el, 'input[type=file]', ElementSandbox._removeFileInputInfo);
}
private _onRemoveIframe (el: Node): void {
if (domUtils.isDomElement(el) && domUtils.isIframeElement(el))
windowsStorage.remove(nativeMethods.contentWindowGetter.call(el));
}
private _onElementAdded (el: Node): void {
if (ElementSandbox._hasShadowUIParentOrContainsShadowUIClassPostfix(el))
ShadowUI.markElementAndChildrenAsShadow(el);
if ((domUtils.isDomElement(el) || domUtils.isDocument(el)) && domUtils.isElementInDocument(el)) {
const iframes = domUtils.getIframes(el);
for (const iframe of iframes)
this.onIframeAddedToDOM(iframe);
const scripts = domUtils.getScripts(el);
for (const script of scripts)
this.emit(this.SCRIPT_ELEMENT_ADDED_EVENT, { el: script });
DOMMutationTracker.onElementChanged(el);
}
// NOTE: recalculate `formaction` attribute value if it placed in the dom
if ((domUtils.isInputElement(el) || domUtils.isButtonElement(el)) && el.form &&
nativeMethods.hasAttribute.call(el, 'formaction'))
el.setAttribute('formaction', el.getAttribute('formaction'));
if (domUtils.isBodyElement(el))
this._shadowUI.onBodyElementMutation();
this._onAddFileInputInfo(el);
if (domUtils.isBaseElement(el) && this._isFirstBaseTagOnPage(el)) {
const storedHrefAttrName = DomProcessor.getStoredAttrName('href');
const storedHrefAttrValue = el.getAttribute(storedHrefAttrName);
if (storedHrefAttrValue !== null)
urlResolver.updateBase(storedHrefAttrValue, this.document);
}
}
private _onElementRemoved (el: Node): void {
if (domUtils.isBodyElement(el))
this._shadowUI.onBodyElementMutation();
else if (domUtils.isBaseElement(el)) {
const firstBaseEl = nativeMethods.querySelector.call(this.document, 'base');
const storedHrefAttr = firstBaseEl && firstBaseEl.getAttribute(DomProcessor.getStoredAttrName('href'));
urlResolver.updateBase(storedHrefAttr || getDestLocation(), this.document);
}
DOMMutationTracker.onElementChanged(el);
}
private _reprocessElementsAssociatedWithIframe (iframe: HTMLIFrameElement | HTMLFrameElement): void {
if (!iframe.name)
return;
const elementsWithTarget = nativeMethods.querySelectorAll.call(this.document, `*[target="${iframe.name}"]`);
for (const el of elementsWithTarget)
this._reprocessElementAssociatedWithIframe(el);
}
private _reprocessElementAssociatedWithIframe (el: HTMLFormElement | HTMLLinkElement): void {
const urlAttrName = domProcessor.getUrlAttr(el);
const storedUrlAttrName = DomProcessor.getStoredAttrName(urlAttrName);
nativeMethods.removeAttribute.call(el, storedUrlAttrName);
DomProcessor.setElementProcessed(el, false);
domProcessor.processElement(el, urlUtils.convertToProxyUrl);
}
addFileInputInfo (el: HTMLElement): void {
const infoManager = this._uploadSandbox.infoManager;
hiddenInfo.addInputInfo(el, infoManager.getFiles(el), infoManager.getValue(el));
}
onIframeAddedToDOM (iframe: HTMLIFrameElement | HTMLFrameElement): void {
if (!domUtils.isCrossDomainIframe(iframe, true))
this._nodeSandbox.mutation.onIframeAddedToDOM(iframe);
windowsStorage.add(nativeMethods.contentWindowGetter.call(iframe));
this._reprocessElementsAssociatedWithIframe(iframe);
}
attach (window) {
super.attach(window);
this._createOverriddenMethods();
overrideFunction(window.Element.prototype, 'setAttribute', this.overriddenMethods.setAttribute);
overrideFunction(window.Element.prototype, 'setAttributeNS', this.overriddenMethods.setAttributeNS);
overrideFunction(window.Element.prototype, 'getAttribute', this.overriddenMethods.getAttribute);
overrideFunction(window.Element.prototype, 'getAttributeNS', this.overriddenMethods.getAttributeNS);
overrideFunction(window.Element.prototype, 'removeAttribute', this.overriddenMethods.removeAttribute);
overrideFunction(window.Element.prototype, 'removeAttributeNS', this.overriddenMethods.removeAttributeNS);
overrideFunction(window.Element.prototype, 'removeAttributeNode', this.overriddenMethods.removeAttributeNode);
overrideFunction(window.Element.prototype, 'cloneNode', this.overriddenMethods.cloneNode);
overrideFunction(window.Element.prototype, 'querySelector', this.overriddenMethods.querySelector);