Diff: STRATO-apps/wordpress_03/app/wp-content/plugins/fluent-smtp/assets/libs/purify/purify.js
Keine Baseline-Datei – Diff nur gegen leer.
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/*! @license DOMPurify 3.2.4 | (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/3.2.4/LICENSE */
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.DOMPurify = factory());
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})(this, (function () { 'use strict';
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const {
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entries,
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setPrototypeOf,
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isFrozen,
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getPrototypeOf,
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getOwnPropertyDescriptor
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} = Object;
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let {
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freeze,
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seal,
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create
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} = Object; // eslint-disable-line import/no-mutable-exports
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let {
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apply,
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construct
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} = typeof Reflect !== 'undefined' && Reflect;
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if (!freeze) {
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freeze = function freeze(x) {
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return x;
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};
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}
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if (!seal) {
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seal = function seal(x) {
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return x;
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};
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}
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if (!apply) {
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apply = function apply(fun, thisValue, args) {
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return fun.apply(thisValue, args);
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};
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}
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if (!construct) {
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construct = function construct(Func, args) {
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return new Func(...args);
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};
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}
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const arrayForEach = unapply(Array.prototype.forEach);
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const arrayLastIndexOf = unapply(Array.prototype.lastIndexOf);
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const arrayPop = unapply(Array.prototype.pop);
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const arrayPush = unapply(Array.prototype.push);
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const arraySplice = unapply(Array.prototype.splice);
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const stringToLowerCase = unapply(String.prototype.toLowerCase);
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const stringToString = unapply(String.prototype.toString);
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const stringMatch = unapply(String.prototype.match);
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const stringReplace = unapply(String.prototype.replace);
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const stringIndexOf = unapply(String.prototype.indexOf);
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const stringTrim = unapply(String.prototype.trim);
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const objectHasOwnProperty = unapply(Object.prototype.hasOwnProperty);
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const regExpTest = unapply(RegExp.prototype.test);
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const typeErrorCreate = unconstruct(TypeError);
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/**
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* Creates a new function that calls the given function with a specified thisArg and arguments.
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*
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* @param func - The function to be wrapped and called.
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* @returns A new function that calls the given function with a specified thisArg and arguments.
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*/
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function unapply(func) {
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return function (thisArg) {
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for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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return apply(func, thisArg, args);
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};
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}
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/**
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* Creates a new function that constructs an instance of the given constructor function with the provided arguments.
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*
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* @param func - The constructor function to be wrapped and called.
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* @returns A new function that constructs an instance of the given constructor function with the provided arguments.
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*/
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function unconstruct(func) {
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return function () {
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for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args[_key2] = arguments[_key2];
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}
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return construct(func, args);
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};
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}
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/**
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* Add properties to a lookup table
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*
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* @param set - The set to which elements will be added.
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* @param array - The array containing elements to be added to the set.
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* @param transformCaseFunc - An optional function to transform the case of each element before adding to the set.
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* @returns The modified set with added elements.
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*/
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function addToSet(set, array) {
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let transformCaseFunc = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : stringToLowerCase;
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if (setPrototypeOf) {
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// Make 'in' and truthy checks like Boolean(set.constructor)
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// independent of any properties defined on Object.prototype.
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// Prevent prototype setters from intercepting set as a this value.
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setPrototypeOf(set, null);
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}
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let l = array.length;
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while (l--) {
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let element = array[l];
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if (typeof element === 'string') {
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const lcElement = transformCaseFunc(element);
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if (lcElement !== element) {
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// Config presets (e.g. tags.js, attrs.js) are immutable.
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if (!isFrozen(array)) {
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array[l] = lcElement;
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}
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element = lcElement;
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}
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}
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set[element] = true;
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}
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return set;
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}
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/**
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* Clean up an array to harden against CSPP
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*
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* @param array - The array to be cleaned.
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* @returns The cleaned version of the array
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*/
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function cleanArray(array) {
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for (let index = 0; index < array.length; index++) {
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const isPropertyExist = objectHasOwnProperty(array, index);
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if (!isPropertyExist) {
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array[index] = null;
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}
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}
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return array;
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}
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/**
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* Shallow clone an object
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*
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* @param object - The object to be cloned.
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* @returns A new object that copies the original.
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*/
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function clone(object) {
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const newObject = create(null);
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for (const [property, value] of entries(object)) {
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const isPropertyExist = objectHasOwnProperty(object, property);
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if (isPropertyExist) {
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if (Array.isArray(value)) {
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newObject[property] = cleanArray(value);
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} else if (value && typeof value === 'object' && value.constructor === Object) {
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newObject[property] = clone(value);
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} else {
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newObject[property] = value;
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}
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}
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}
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return newObject;
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}
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/**
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* This method automatically checks if the prop is function or getter and behaves accordingly.
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*
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* @param object - The object to look up the getter function in its prototype chain.
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* @param prop - The property name for which to find the getter function.
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* @returns The getter function found in the prototype chain or a fallback function.
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*/
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function lookupGetter(object, prop) {
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while (object !== null) {
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const desc = getOwnPropertyDescriptor(object, prop);
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if (desc) {
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if (desc.get) {
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return unapply(desc.get);
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}
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if (typeof desc.value === 'function') {
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return unapply(desc.value);
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}
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}
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object = getPrototypeOf(object);
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}
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function fallbackValue() {
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return null;
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}
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return fallbackValue;
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}
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const html$1 = freeze(['a', 'abbr', 'acronym', 'address', 'area', 'article', 'aside', 'audio', 'b', 'bdi', 'bdo', 'big', 'blink', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'content', 'data', 'datalist', 'dd', 'decorator', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'img', 'input', 'ins', 'kbd', 'label', 'legend', 'li', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meter', 'nav', 'nobr', 'ol', 'optgroup', 'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr']);
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const svg$1 = freeze(['svg', 'a', 'altglyph', 'altglyphdef', 'altglyphitem', 'animatecolor', 'animatemotion', 'animatetransform', 'circle', 'clippath', 'defs', 'desc', 'ellipse', 'filter', 'font', 'g', 'glyph', 'glyphref', 'hkern', 'image', 'line', 'lineargradient', 'marker', 'mask', 'metadata', 'mpath', 'path', 'pattern', 'polygon', 'polyline', 'radialgradient', 'rect', 'stop', 'style', 'switch', 'symbol', 'text', 'textpath', 'title', 'tref', 'tspan', 'view', 'vkern']);
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const svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feDropShadow', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence']);
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// List of SVG elements that are disallowed by default.
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// We still need to know them so that we can do namespace
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// checks properly in case one wants to add them to
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// allow-list.
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const svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', 'font-face', 'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri', 'foreignobject', 'hatch', 'hatchpath', 'mesh', 'meshgradient', 'meshpatch', 'meshrow', 'missing-glyph', 'script', 'set', 'solidcolor', 'unknown', 'use']);
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const mathMl$1 = freeze(['math', 'menclose', 'merror', 'mfenced', 'mfrac', 'mglyph', 'mi', 'mlabeledtr', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mroot', 'mrow', 'ms', 'mspace', 'msqrt', 'mstyle', 'msub', 'msup', 'msubsup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover', 'mprescripts']);
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// Similarly to SVG, we want to know all MathML elements,
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// even those that we disallow by default.
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const mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);
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const text = freeze(['#text']);
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const html = freeze(['accept', 'action', 'align', 'alt', 'autocapitalize', 'autocomplete', 'autopictureinpicture', 'autoplay', 'background', 'bgcolor', 'border', 'capture', 'cellpadding', 'cellspacing', 'checked', 'cite', 'class', 'clear', 'color', 'cols', 'colspan', 'controls', 'controlslist', 'coords', 'crossorigin', 'datetime', 'decoding', 'default', 'dir', 'disabled', 'disablepictureinpicture', 'disableremoteplayback', 'download', 'draggable', 'enctype', 'enterkeyhint', 'face', 'for', 'headers', 'height', 'hidden', 'high', 'href', 'hreflang', 'id', 'inputmode', 'integrity', 'ismap', 'kind', 'label', 'lang', 'list', 'loading', 'loop', 'low', 'max', 'maxlength', 'media', 'method', 'min', 'minlength', 'multiple', 'muted', 'name', 'nonce', 'noshade', 'novalidate', 'nowrap', 'open', 'optimum', 'pattern', 'placeholder', 'playsinline', 'popover', 'popovertarget', 'popovertargetaction', 'poster', 'preload', 'pubdate', 'radiogroup', 'readonly', 'rel', 'required', 'rev', 'reversed', 'role', 'rows', 'rowspan', 'spellcheck', 'scope', 'selected', 'shape', 'size', 'sizes', 'span', 'srclang', 'start', 'src', 'srcset', 'step', 'style', 'summary', 'tabindex', 'title', 'translate', 'type', 'usemap', 'valign', 'value', 'width', 'wrap', 'xmlns', 'slot']);
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const svg = freeze(['accent-height', 'accumulate', 'additive', 'alignment-baseline', 'amplitude', 'ascent', 'attributename', 'attributetype', 'azimuth', 'basefrequency', 'baseline-shift', 'begin', 'bias', 'by', 'class', 'clip', 'clippathunits', 'clip-path', 'clip-rule', 'color', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'cx', 'cy', 'd', 'dx', 'dy', 'diffuseconstant', 'direction', 'display', 'divisor', 'dur', 'edgemode', 'elevation', 'end', 'exponent', 'fill', 'fill-opacity', 'fill-rule', 'filter', 'filterunits', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'fx', 'fy', 'g1', 'g2', 'glyph-name', 'glyphref', 'gradientunits', 'gradienttransform', 'height', 'href', 'id', 'image-rendering', 'in', 'in2', 'intercept', 'k', 'k1', 'k2', 'k3', 'k4', 'kerning', 'keypoints', 'keysplines', 'keytimes', 'lang', 'lengthadjust', 'letter-spacing', 'kernelmatrix', 'kernelunitlength', 'lighting-color', 'local', 'marker-end', 'marker-mid', 'marker-start', 'markerheight', 'markerunits', 'markerwidth', 'maskcontentunits', 'maskunits', 'max', 'mask', 'media', 'method', 'mode', 'min', 'name', 'numoctaves', 'offset', 'operator', 'opacity', 'order', 'orient', 'orientation', 'origin', 'overflow', 'paint-order', 'path', 'pathlength', 'patterncontentunits', 'patterntransform', 'patternunits', 'points', 'preservealpha', 'preserveaspectratio', 'primitiveunits', 'r', 'rx', 'ry', 'radius', 'refx', 'refy', 'repeatcount', 'repeatdur', 'restart', 'result', 'rotate', 'scale', 'seed', 'shape-rendering', 'slope', 'specularconstant', 'specularexponent', 'spreadmethod', 'startoffset', 'stddeviation', 'stitchtiles', 'stop-color', 'stop-opacity', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke', 'stroke-width', 'style', 'surfacescale', 'systemlanguage', 'tabindex', 'tablevalues', 'targetx', 'targety', 'transform', 'transform-origin', 'text-anchor', 'text-decoration', 'text-rendering', 'textlength', 'type', 'u1', 'u2', 'unicode', 'values', 'viewbox', 'visibility', 'version', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'width', 'word-spacing', 'wrap', 'writing-mode', 'xchannelselector', 'ychannelselector', 'x', 'x1', 'x2', 'xmlns', 'y', 'y1', 'y2', 'z', 'zoomandpan']);
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const mathMl = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);
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const xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);
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+
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// eslint-disable-next-line unicorn/better-regex
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const MUSTACHE_EXPR = seal(/\{\{[\w\W]*|[\w\W]*\}\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode
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const ERB_EXPR = seal(/<%[\w\W]*|[\w\W]*%>/gm);
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+
const TMPLIT_EXPR = seal(/\$\{[\w\W]*/gm); // eslint-disable-line unicorn/better-regex
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+
const DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]+$/); // eslint-disable-line no-useless-escape
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+
const ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape
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+
const IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i // eslint-disable-line no-useless-escape
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);
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const IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);
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const ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g // eslint-disable-line no-control-regex
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);
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const DOCTYPE_NAME = seal(/^html$/i);
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const CUSTOM_ELEMENT = seal(/^[a-z][.\w]*(-[.\w]+)+$/i);
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+
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var EXPRESSIONS = /*#__PURE__*/Object.freeze({
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__proto__: null,
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ARIA_ATTR: ARIA_ATTR,
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ATTR_WHITESPACE: ATTR_WHITESPACE,
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CUSTOM_ELEMENT: CUSTOM_ELEMENT,
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+
DATA_ATTR: DATA_ATTR,
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DOCTYPE_NAME: DOCTYPE_NAME,
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ERB_EXPR: ERB_EXPR,
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IS_ALLOWED_URI: IS_ALLOWED_URI,
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+
IS_SCRIPT_OR_DATA: IS_SCRIPT_OR_DATA,
226
+
MUSTACHE_EXPR: MUSTACHE_EXPR,
227
+
TMPLIT_EXPR: TMPLIT_EXPR
228
+
});
229
+
230
+
/* eslint-disable @typescript-eslint/indent */
231
+
// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
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const NODE_TYPE = {
233
+
element: 1,
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+
attribute: 2,
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+
text: 3,
236
+
cdataSection: 4,
237
+
entityReference: 5,
238
+
// Deprecated
239
+
entityNode: 6,
240
+
// Deprecated
241
+
progressingInstruction: 7,
242
+
comment: 8,
243
+
document: 9,
244
+
documentType: 10,
245
+
documentFragment: 11,
246
+
notation: 12 // Deprecated
247
+
};
248
+
const getGlobal = function getGlobal() {
249
+
return typeof window === 'undefined' ? null : window;
250
+
};
251
+
/**
252
+
* Creates a no-op policy for internal use only.
253
+
* Don't export this function outside this module!
254
+
* @param trustedTypes The policy factory.
255
+
* @param purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix).
256
+
* @return The policy created (or null, if Trusted Types
257
+
* are not supported or creating the policy failed).
258
+
*/
259
+
const _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, purifyHostElement) {
260
+
if (typeof trustedTypes !== 'object' || typeof trustedTypes.createPolicy !== 'function') {
261
+
return null;
262
+
}
263
+
// Allow the callers to control the unique policy name
264
+
// by adding a data-tt-policy-suffix to the script element with the DOMPurify.
265
+
// Policy creation with duplicate names throws in Trusted Types.
266
+
let suffix = null;
267
+
const ATTR_NAME = 'data-tt-policy-suffix';
268
+
if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) {
269
+
suffix = purifyHostElement.getAttribute(ATTR_NAME);
270
+
}
271
+
const policyName = 'dompurify' + (suffix ? '#' + suffix : '');
272
+
try {
273
+
return trustedTypes.createPolicy(policyName, {
274
+
createHTML(html) {
275
+
return html;
276
+
},
277
+
createScriptURL(scriptUrl) {
278
+
return scriptUrl;
279
+
}
280
+
});
281
+
} catch (_) {
282
+
// Policy creation failed (most likely another DOMPurify script has
283
+
// already run). Skip creating the policy, as this will only cause errors
284
+
// if TT are enforced.
285
+
console.warn('TrustedTypes policy ' + policyName + ' could not be created.');
286
+
return null;
287
+
}
288
+
};
289
+
const _createHooksMap = function _createHooksMap() {
290
+
return {
291
+
afterSanitizeAttributes: [],
292
+
afterSanitizeElements: [],
293
+
afterSanitizeShadowDOM: [],
294
+
beforeSanitizeAttributes: [],
295
+
beforeSanitizeElements: [],
296
+
beforeSanitizeShadowDOM: [],
297
+
uponSanitizeAttribute: [],
298
+
uponSanitizeElement: [],
299
+
uponSanitizeShadowNode: []
300
+
};
301
+
};
302
+
function createDOMPurify() {
303
+
let window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();
304
+
const DOMPurify = root => createDOMPurify(root);
305
+
DOMPurify.version = '3.2.4';
306
+
DOMPurify.removed = [];
307
+
if (!window || !window.document || window.document.nodeType !== NODE_TYPE.document || !window.Element) {
308
+
// Not running in a browser, provide a factory function
309
+
// so that you can pass your own Window
310
+
DOMPurify.isSupported = false;
311
+
return DOMPurify;
312
+
}
313
+
let {
314
+
document
315
+
} = window;
316
+
const originalDocument = document;
317
+
const currentScript = originalDocument.currentScript;
318
+
const {
319
+
DocumentFragment,
320
+
HTMLTemplateElement,
321
+
Node,
322
+
Element,
323
+
NodeFilter,
324
+
NamedNodeMap = window.NamedNodeMap || window.MozNamedAttrMap,
325
+
HTMLFormElement,
326
+
DOMParser,
327
+
trustedTypes
328
+
} = window;
329
+
const ElementPrototype = Element.prototype;
330
+
const cloneNode = lookupGetter(ElementPrototype, 'cloneNode');
331
+
const remove = lookupGetter(ElementPrototype, 'remove');
332
+
const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');
333
+
const getChildNodes = lookupGetter(ElementPrototype, 'childNodes');
334
+
const getParentNode = lookupGetter(ElementPrototype, 'parentNode');
335
+
// As per issue #47, the web-components registry is inherited by a
336
+
// new document created via createHTMLDocument. As per the spec
337
+
// (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)
338
+
// a new empty registry is used when creating a template contents owner
339
+
// document, so we use that as our parent document to ensure nothing
340
+
// is inherited.
341
+
if (typeof HTMLTemplateElement === 'function') {
342
+
const template = document.createElement('template');
343
+
if (template.content && template.content.ownerDocument) {
344
+
document = template.content.ownerDocument;
345
+
}
346
+
}
347
+
let trustedTypesPolicy;
348
+
let emptyHTML = '';
349
+
const {
350
+
implementation,
351
+
createNodeIterator,
352
+
createDocumentFragment,
353
+
getElementsByTagName
354
+
} = document;
355
+
const {
356
+
importNode
357
+
} = originalDocument;
358
+
let hooks = _createHooksMap();
359
+
/**
360
+
* Expose whether this browser supports running the full DOMPurify.
361
+
*/
362
+
DOMPurify.isSupported = typeof entries === 'function' && typeof getParentNode === 'function' && implementation && implementation.createHTMLDocument !== undefined;
363
+
const {
364
+
MUSTACHE_EXPR,
365
+
ERB_EXPR,
366
+
TMPLIT_EXPR,
367
+
DATA_ATTR,
368
+
ARIA_ATTR,
369
+
IS_SCRIPT_OR_DATA,
370
+
ATTR_WHITESPACE,
371
+
CUSTOM_ELEMENT
372
+
} = EXPRESSIONS;
373
+
let {
374
+
IS_ALLOWED_URI: IS_ALLOWED_URI$1
375
+
} = EXPRESSIONS;
376
+
/**
377
+
* We consider the elements and attributes below to be safe. Ideally
378
+
* don't add any new ones but feel free to remove unwanted ones.
379
+
*/
380
+
/* allowed element names */
381
+
let ALLOWED_TAGS = null;
382
+
const DEFAULT_ALLOWED_TAGS = addToSet({}, [...html$1, ...svg$1, ...svgFilters, ...mathMl$1, ...text]);
383
+
/* Allowed attribute names */
384
+
let ALLOWED_ATTR = null;
385
+
const DEFAULT_ALLOWED_ATTR = addToSet({}, [...html, ...svg, ...mathMl, ...xml]);
386
+
/*
387
+
* Configure how DOMPurify should handle custom elements and their attributes as well as customized built-in elements.
388
+
* @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)
389
+
* @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)
390
+
* @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.
391
+
*/
392
+
let CUSTOM_ELEMENT_HANDLING = Object.seal(create(null, {
393
+
tagNameCheck: {
394
+
writable: true,
395
+
configurable: false,
396
+
enumerable: true,
397
+
value: null
398
+
},
399
+
attributeNameCheck: {
400
+
writable: true,
401
+
configurable: false,
402
+
enumerable: true,
403
+
value: null
404
+
},
405
+
allowCustomizedBuiltInElements: {
406
+
writable: true,
407
+
configurable: false,
408
+
enumerable: true,
409
+
value: false
410
+
}
411
+
}));
412
+
/* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */
413
+
let FORBID_TAGS = null;
414
+
/* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */
415
+
let FORBID_ATTR = null;
416
+
/* Decide if ARIA attributes are okay */
417
+
let ALLOW_ARIA_ATTR = true;
418
+
/* Decide if custom data attributes are okay */
419
+
let ALLOW_DATA_ATTR = true;
420
+
/* Decide if unknown protocols are okay */
421
+
let ALLOW_UNKNOWN_PROTOCOLS = false;
422
+
/* Decide if self-closing tags in attributes are allowed.
423
+
* Usually removed due to a mXSS issue in jQuery 3.0 */
424
+
let ALLOW_SELF_CLOSE_IN_ATTR = true;
425
+
/* Output should be safe for common template engines.
426
+
* This means, DOMPurify removes data attributes, mustaches and ERB
427
+
*/
428
+
let SAFE_FOR_TEMPLATES = false;
429
+
/* Output should be safe even for XML used within HTML and alike.
430
+
* This means, DOMPurify removes comments when containing risky content.
431
+
*/
432
+
let SAFE_FOR_XML = true;
433
+
/* Decide if document with <html>... should be returned */
434
+
let WHOLE_DOCUMENT = false;
435
+
/* Track whether config is already set on this instance of DOMPurify. */
436
+
let SET_CONFIG = false;
437
+
/* Decide if all elements (e.g. style, script) must be children of
438
+
* document.body. By default, browsers might move them to document.head */
439
+
let FORCE_BODY = false;
440
+
/* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html
441
+
* string (or a TrustedHTML object if Trusted Types are supported).
442
+
* If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead
443
+
*/
444
+
let RETURN_DOM = false;
445
+
/* Decide if a DOM `DocumentFragment` should be returned, instead of a html
446
+
* string (or a TrustedHTML object if Trusted Types are supported) */
447
+
let RETURN_DOM_FRAGMENT = false;
448
+
/* Try to return a Trusted Type object instead of a string, return a string in
449
+
* case Trusted Types are not supported */
450
+
let RETURN_TRUSTED_TYPE = false;
451
+
/* Output should be free from DOM clobbering attacks?
452
+
* This sanitizes markups named with colliding, clobberable built-in DOM APIs.
453
+
*/
454
+
let SANITIZE_DOM = true;
455
+
/* Achieve full DOM Clobbering protection by isolating the namespace of named
456
+
* properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.
457
+
*
458
+
* HTML/DOM spec rules that enable DOM Clobbering:
459
+
* - Named Access on Window (§7.3.3)
460
+
* - DOM Tree Accessors (§3.1.5)
461
+
* - Form Element Parent-Child Relations (§4.10.3)
462
+
* - Iframe srcdoc / Nested WindowProxies (§4.8.5)
463
+
* - HTMLCollection (§4.2.10.2)
464
+
*
465
+
* Namespace isolation is implemented by prefixing `id` and `name` attributes
466
+
* with a constant string, i.e., `user-content-`
467
+
*/
468
+
let SANITIZE_NAMED_PROPS = false;
469
+
const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';
470
+
/* Keep element content when removing element? */
471
+
let KEEP_CONTENT = true;
472
+
/* If a `Node` is passed to sanitize(), then performs sanitization in-place instead
473
+
* of importing it into a new Document and returning a sanitized copy */
474
+
let IN_PLACE = false;
475
+
/* Allow usage of profiles like html, svg and mathMl */
476
+
let USE_PROFILES = {};
477
+
/* Tags to ignore content of when KEEP_CONTENT is true */
478
+
let FORBID_CONTENTS = null;
479
+
const DEFAULT_FORBID_CONTENTS = addToSet({}, ['annotation-xml', 'audio', 'colgroup', 'desc', 'foreignobject', 'head', 'iframe', 'math', 'mi', 'mn', 'mo', 'ms', 'mtext', 'noembed', 'noframes', 'noscript', 'plaintext', 'script', 'style', 'svg', 'template', 'thead', 'title', 'video', 'xmp']);
480
+
/* Tags that are safe for data: URIs */
481
+
let DATA_URI_TAGS = null;
482
+
const DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);
483
+
/* Attributes safe for values like "javascript:" */
484
+
let URI_SAFE_ATTRIBUTES = null;
485
+
const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']);
486
+
const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
487
+
const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
488
+
const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
489
+
/* Document namespace */
490
+
let NAMESPACE = HTML_NAMESPACE;
491
+
let IS_EMPTY_INPUT = false;
492
+
/* Allowed XHTML+XML namespaces */
493
+
let ALLOWED_NAMESPACES = null;
494
+
const DEFAULT_ALLOWED_NAMESPACES = addToSet({}, [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE], stringToString);
495
+
let MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']);
496
+
let HTML_INTEGRATION_POINTS = addToSet({}, ['annotation-xml']);
497
+
// Certain elements are allowed in both SVG and HTML
498
+
// namespace. We need to specify them explicitly
499
+
// so that they don't get erroneously deleted from
500
+
// HTML namespace.
501
+
const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, ['title', 'style', 'font', 'a', 'script']);
502
+
/* Parsing of strict XHTML documents */
503
+
let PARSER_MEDIA_TYPE = null;
504
+
const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];
505
+
const DEFAULT_PARSER_MEDIA_TYPE = 'text/html';
506
+
let transformCaseFunc = null;
507
+
/* Keep a reference to config to pass to hooks */
508
+
let CONFIG = null;
509
+
/* Ideally, do not touch anything below this line */
510
+
/* ______________________________________________ */
511
+
const formElement = document.createElement('form');
512
+
const isRegexOrFunction = function isRegexOrFunction(testValue) {
513
+
return testValue instanceof RegExp || testValue instanceof Function;
514
+
};
515
+
/**
516
+
* _parseConfig
517
+
*
518
+
* @param cfg optional config literal
519
+
*/
520
+
// eslint-disable-next-line complexity
521
+
const _parseConfig = function _parseConfig() {
522
+
let cfg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
523
+
if (CONFIG && CONFIG === cfg) {
524
+
return;
525
+
}
526
+
/* Shield configuration object from tampering */
527
+
if (!cfg || typeof cfg !== 'object') {
528
+
cfg = {};
529
+
}
530
+
/* Shield configuration object from prototype pollution */
531
+
cfg = clone(cfg);
532
+
PARSER_MEDIA_TYPE =
533
+
// eslint-disable-next-line unicorn/prefer-includes
534
+
SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1 ? DEFAULT_PARSER_MEDIA_TYPE : cfg.PARSER_MEDIA_TYPE;
535
+
// HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is.
536
+
transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? stringToString : stringToLowerCase;
537
+
/* Set configuration parameters */
538
+
ALLOWED_TAGS = objectHasOwnProperty(cfg, 'ALLOWED_TAGS') ? addToSet({}, cfg.ALLOWED_TAGS, transformCaseFunc) : DEFAULT_ALLOWED_TAGS;
539
+
ALLOWED_ATTR = objectHasOwnProperty(cfg, 'ALLOWED_ATTR') ? addToSet({}, cfg.ALLOWED_ATTR, transformCaseFunc) : DEFAULT_ALLOWED_ATTR;
540
+
ALLOWED_NAMESPACES = objectHasOwnProperty(cfg, 'ALLOWED_NAMESPACES') ? addToSet({}, cfg.ALLOWED_NAMESPACES, stringToString) : DEFAULT_ALLOWED_NAMESPACES;
541
+
URI_SAFE_ATTRIBUTES = objectHasOwnProperty(cfg, 'ADD_URI_SAFE_ATTR') ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), cfg.ADD_URI_SAFE_ATTR, transformCaseFunc) : DEFAULT_URI_SAFE_ATTRIBUTES;
542
+
DATA_URI_TAGS = objectHasOwnProperty(cfg, 'ADD_DATA_URI_TAGS') ? addToSet(clone(DEFAULT_DATA_URI_TAGS), cfg.ADD_DATA_URI_TAGS, transformCaseFunc) : DEFAULT_DATA_URI_TAGS;
543
+
FORBID_CONTENTS = objectHasOwnProperty(cfg, 'FORBID_CONTENTS') ? addToSet({}, cfg.FORBID_CONTENTS, transformCaseFunc) : DEFAULT_FORBID_CONTENTS;
544
+
FORBID_TAGS = objectHasOwnProperty(cfg, 'FORBID_TAGS') ? addToSet({}, cfg.FORBID_TAGS, transformCaseFunc) : {};
545
+
FORBID_ATTR = objectHasOwnProperty(cfg, 'FORBID_ATTR') ? addToSet({}, cfg.FORBID_ATTR, transformCaseFunc) : {};
546
+
USE_PROFILES = objectHasOwnProperty(cfg, 'USE_PROFILES') ? cfg.USE_PROFILES : false;
547
+
ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true
548
+
ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true
549
+
ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false
550
+
ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true
551
+
SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false
552
+
SAFE_FOR_XML = cfg.SAFE_FOR_XML !== false; // Default true
553
+
WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false
554
+
RETURN_DOM = cfg.RETURN_DOM || false; // Default false
555
+
RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false
556
+
RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false
557
+
FORCE_BODY = cfg.FORCE_BODY || false; // Default false
558
+
SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true
559
+
SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false
560
+
KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true
561
+
IN_PLACE = cfg.IN_PLACE || false; // Default false
562
+
IS_ALLOWED_URI$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI;
563
+
NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;
564
+
MATHML_TEXT_INTEGRATION_POINTS = cfg.MATHML_TEXT_INTEGRATION_POINTS || MATHML_TEXT_INTEGRATION_POINTS;
565
+
HTML_INTEGRATION_POINTS = cfg.HTML_INTEGRATION_POINTS || HTML_INTEGRATION_POINTS;
566
+
CUSTOM_ELEMENT_HANDLING = cfg.CUSTOM_ELEMENT_HANDLING || {};
567
+
if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck)) {
568
+
CUSTOM_ELEMENT_HANDLING.tagNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.tagNameCheck;
569
+
}
570
+
if (cfg.CUSTOM_ELEMENT_HANDLING && isRegexOrFunction(cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck)) {
571
+
CUSTOM_ELEMENT_HANDLING.attributeNameCheck = cfg.CUSTOM_ELEMENT_HANDLING.attributeNameCheck;
572
+
}
573
+
if (cfg.CUSTOM_ELEMENT_HANDLING && typeof cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements === 'boolean') {
574
+
CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements = cfg.CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements;
575
+
}
576
+
if (SAFE_FOR_TEMPLATES) {
577
+
ALLOW_DATA_ATTR = false;
578
+
}
579
+
if (RETURN_DOM_FRAGMENT) {
580
+
RETURN_DOM = true;
581
+
}
582
+
/* Parse profile info */
583
+
if (USE_PROFILES) {
584
+
ALLOWED_TAGS = addToSet({}, text);
585
+
ALLOWED_ATTR = [];
586
+
if (USE_PROFILES.html === true) {
587
+
addToSet(ALLOWED_TAGS, html$1);
588
+
addToSet(ALLOWED_ATTR, html);
589
+
}
590
+
if (USE_PROFILES.svg === true) {
591
+
addToSet(ALLOWED_TAGS, svg$1);
592
+
addToSet(ALLOWED_ATTR, svg);
593
+
addToSet(ALLOWED_ATTR, xml);
594
+
}
595
+
if (USE_PROFILES.svgFilters === true) {
596
+
addToSet(ALLOWED_TAGS, svgFilters);
597
+
addToSet(ALLOWED_ATTR, svg);
598
+
addToSet(ALLOWED_ATTR, xml);
599
+
}
600
+
if (USE_PROFILES.mathMl === true) {
601
+
addToSet(ALLOWED_TAGS, mathMl$1);
602
+
addToSet(ALLOWED_ATTR, mathMl);
603
+
addToSet(ALLOWED_ATTR, xml);
604
+
}
605
+
}
606
+
/* Merge configuration parameters */
607
+
if (cfg.ADD_TAGS) {
608
+
if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {
609
+
ALLOWED_TAGS = clone(ALLOWED_TAGS);
610
+
}
611
+
addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);
612
+
}
613
+
if (cfg.ADD_ATTR) {
614
+
if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {
615
+
ALLOWED_ATTR = clone(ALLOWED_ATTR);
616
+
}
617
+
addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);
618
+
}
619
+
if (cfg.ADD_URI_SAFE_ATTR) {
620
+
addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);
621
+
}
622
+
if (cfg.FORBID_CONTENTS) {
623
+
if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {
624
+
FORBID_CONTENTS = clone(FORBID_CONTENTS);
625
+
}
626
+
addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);
627
+
}
628
+
/* Add #text in case KEEP_CONTENT is set to true */
629
+
if (KEEP_CONTENT) {
630
+
ALLOWED_TAGS['#text'] = true;
631
+
}
632
+
/* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */
633
+
if (WHOLE_DOCUMENT) {
634
+
addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);
635
+
}
636
+
/* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */
637
+
if (ALLOWED_TAGS.table) {
638
+
addToSet(ALLOWED_TAGS, ['tbody']);
639
+
delete FORBID_TAGS.tbody;
640
+
}
641
+
if (cfg.TRUSTED_TYPES_POLICY) {
642
+
if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') {
643
+
throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createHTML" hook.');
644
+
}
645
+
if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') {
646
+
throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createScriptURL" hook.');
647
+
}
648
+
// Overwrite existing TrustedTypes policy.
649
+
trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY;
650
+
// Sign local variables required by `sanitize`.
651
+
emptyHTML = trustedTypesPolicy.createHTML('');
652
+
} else {
653
+
// Uninitialized policy, attempt to initialize the internal dompurify policy.
654
+
if (trustedTypesPolicy === undefined) {
655
+
trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, currentScript);
656
+
}
657
+
// If creating the internal policy succeeded sign internal variables.
658
+
if (trustedTypesPolicy !== null && typeof emptyHTML === 'string') {
659
+
emptyHTML = trustedTypesPolicy.createHTML('');
660
+
}
661
+
}
662
+
// Prevent further manipulation of configuration.
663
+
// Not available in IE8, Safari 5, etc.
664
+
if (freeze) {
665
+
freeze(cfg);
666
+
}
667
+
CONFIG = cfg;
668
+
};
669
+
/* Keep track of all possible SVG and MathML tags
670
+
* so that we can perform the namespace checks
671
+
* correctly. */
672
+
const ALL_SVG_TAGS = addToSet({}, [...svg$1, ...svgFilters, ...svgDisallowed]);
673
+
const ALL_MATHML_TAGS = addToSet({}, [...mathMl$1, ...mathMlDisallowed]);
674
+
/**
675
+
* @param element a DOM element whose namespace is being checked
676
+
* @returns Return false if the element has a
677
+
* namespace that a spec-compliant parser would never
678
+
* return. Return true otherwise.
679
+
*/
680
+
const _checkValidNamespace = function _checkValidNamespace(element) {
681
+
let parent = getParentNode(element);
682
+
// In JSDOM, if we're inside shadow DOM, then parentNode
683
+
// can be null. We just simulate parent in this case.
684
+
if (!parent || !parent.tagName) {
685
+
parent = {
686
+
namespaceURI: NAMESPACE,
687
+
tagName: 'template'
688
+
};
689
+
}
690
+
const tagName = stringToLowerCase(element.tagName);
691
+
const parentTagName = stringToLowerCase(parent.tagName);
692
+
if (!ALLOWED_NAMESPACES[element.namespaceURI]) {
693
+
return false;
694
+
}
695
+
if (element.namespaceURI === SVG_NAMESPACE) {
696
+
// The only way to switch from HTML namespace to SVG
697
+
// is via <svg>. If it happens via any other tag, then
698
+
// it should be killed.
699
+
if (parent.namespaceURI === HTML_NAMESPACE) {
700
+
return tagName === 'svg';
701
+
}
702
+
// The only way to switch from MathML to SVG is via`
703
+
// svg if parent is either <annotation-xml> or MathML
704
+
// text integration points.
705
+
if (parent.namespaceURI === MATHML_NAMESPACE) {
706
+
return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);
707
+
}
708
+
// We only allow elements that are defined in SVG
709
+
// spec. All others are disallowed in SVG namespace.
710
+
return Boolean(ALL_SVG_TAGS[tagName]);
711
+
}
712
+
if (element.namespaceURI === MATHML_NAMESPACE) {
713
+
// The only way to switch from HTML namespace to MathML
714
+
// is via <math>. If it happens via any other tag, then
715
+
// it should be killed.
716
+
if (parent.namespaceURI === HTML_NAMESPACE) {
717
+
return tagName === 'math';
718
+
}
719
+
// The only way to switch from SVG to MathML is via
720
+
// <math> and HTML integration points
721
+
if (parent.namespaceURI === SVG_NAMESPACE) {
722
+
return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];
723
+
}
724
+
// We only allow elements that are defined in MathML
725
+
// spec. All others are disallowed in MathML namespace.
726
+
return Boolean(ALL_MATHML_TAGS[tagName]);
727
+
}
728
+
if (element.namespaceURI === HTML_NAMESPACE) {
729
+
// The only way to switch from SVG to HTML is via
730
+
// HTML integration points, and from MathML to HTML
731
+
// is via MathML text integration points
732
+
if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) {
733
+
return false;
734
+
}
735
+
if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) {
736
+
return false;
737
+
}
738
+
// We disallow tags that are specific for MathML
739
+
// or SVG and should never appear in HTML namespace
740
+
return !ALL_MATHML_TAGS[tagName] && (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName]);
741
+
}
742
+
// For XHTML and XML documents that support custom namespaces
743
+
if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && ALLOWED_NAMESPACES[element.namespaceURI]) {
744
+
return true;
745
+
}
746
+
// The code should never reach this place (this means
747
+
// that the element somehow got namespace that is not
748
+
// HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES).
749
+
// Return false just in case.
750
+
return false;
751
+
};
752
+
/**
753
+
* _forceRemove
754
+
*
755
+
* @param node a DOM node
756
+
*/
757
+
const _forceRemove = function _forceRemove(node) {
758
+
arrayPush(DOMPurify.removed, {
759
+
element: node
760
+
});
761
+
try {
762
+
// eslint-disable-next-line unicorn/prefer-dom-node-remove
763
+
getParentNode(node).removeChild(node);
764
+
} catch (_) {
765
+
remove(node);
766
+
}
767
+
};
768
+
/**
769
+
* _removeAttribute
770
+
*
771
+
* @param name an Attribute name
772
+
* @param element a DOM node
773
+
*/
774
+
const _removeAttribute = function _removeAttribute(name, element) {
775
+
try {
776
+
arrayPush(DOMPurify.removed, {
777
+
attribute: element.getAttributeNode(name),
778
+
from: element
779
+
});
780
+
} catch (_) {
781
+
arrayPush(DOMPurify.removed, {
782
+
attribute: null,
783
+
from: element
784
+
});
785
+
}
786
+
element.removeAttribute(name);
787
+
// We void attribute values for unremovable "is" attributes
788
+
if (name === 'is') {
789
+
if (RETURN_DOM || RETURN_DOM_FRAGMENT) {
790
+
try {
791
+
_forceRemove(element);
792
+
} catch (_) {}
793
+
} else {
794
+
try {
795
+
element.setAttribute(name, '');
796
+
} catch (_) {}
797
+
}
798
+
}
799
+
};
800
+
/**
801
+
* _initDocument
802
+
*
803
+
* @param dirty - a string of dirty markup
804
+
* @return a DOM, filled with the dirty markup
805
+
*/
806
+
const _initDocument = function _initDocument(dirty) {
807
+
/* Create a HTML document */
808
+
let doc = null;
809
+
let leadingWhitespace = null;
810
+
if (FORCE_BODY) {
811
+
dirty = '<remove></remove>' + dirty;
812
+
} else {
813
+
/* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */
814
+
const matches = stringMatch(dirty, /^[\r\n\t ]+/);
815
+
leadingWhitespace = matches && matches[0];
816
+
}
817
+
if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && NAMESPACE === HTML_NAMESPACE) {
818
+
// Root of XHTML doc must contain xmlns declaration (see https://www.w3.org/TR/xhtml1/normative.html#strict)
819
+
dirty = '<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body>' + dirty + '</body></html>';
820
+
}
821
+
const dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;
822
+
/*
823
+
* Use the DOMParser API by default, fallback later if needs be
824
+
* DOMParser not work for svg when has multiple root element.
825
+
*/
826
+
if (NAMESPACE === HTML_NAMESPACE) {
827
+
try {
828
+
doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);
829
+
} catch (_) {}
830
+
}
831
+
/* Use createHTMLDocument in case DOMParser is not available */
832
+
if (!doc || !doc.documentElement) {
833
+
doc = implementation.createDocument(NAMESPACE, 'template', null);
834
+
try {
835
+
doc.documentElement.innerHTML = IS_EMPTY_INPUT ? emptyHTML : dirtyPayload;
836
+
} catch (_) {
837
+
// Syntax error if dirtyPayload is invalid xml
838
+
}
839
+
}
840
+
const body = doc.body || doc.documentElement;
841
+
if (dirty && leadingWhitespace) {
842
+
body.insertBefore(document.createTextNode(leadingWhitespace), body.childNodes[0] || null);
843
+
}
844
+
/* Work on whole document or just its body */
845
+
if (NAMESPACE === HTML_NAMESPACE) {
846
+
return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];
847
+
}
848
+
return WHOLE_DOCUMENT ? doc.documentElement : body;
849
+
};
850
+
/**
851
+
* Creates a NodeIterator object that you can use to traverse filtered lists of nodes or elements in a document.
852
+
*
853
+
* @param root The root element or node to start traversing on.
854
+
* @return The created NodeIterator
855
+
*/
856
+
const _createNodeIterator = function _createNodeIterator(root) {
857
+
return createNodeIterator.call(root.ownerDocument || root, root,
858
+
// eslint-disable-next-line no-bitwise
859
+
NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT | NodeFilter.SHOW_PROCESSING_INSTRUCTION | NodeFilter.SHOW_CDATA_SECTION, null);
860
+
};
861
+
/**
862
+
* _isClobbered
863
+
*
864
+
* @param element element to check for clobbering attacks
865
+
* @return true if clobbered, false if safe
866
+
*/
867
+
const _isClobbered = function _isClobbered(element) {
868
+
return element instanceof HTMLFormElement && (typeof element.nodeName !== 'string' || typeof element.textContent !== 'string' || typeof element.removeChild !== 'function' || !(element.attributes instanceof NamedNodeMap) || typeof element.removeAttribute !== 'function' || typeof element.setAttribute !== 'function' || typeof element.namespaceURI !== 'string' || typeof element.insertBefore !== 'function' || typeof element.hasChildNodes !== 'function');
869
+
};
870
+
/**
871
+
* Checks whether the given object is a DOM node.
872
+
*
873
+
* @param value object to check whether it's a DOM node
874
+
* @return true is object is a DOM node
875
+
*/
876
+
const _isNode = function _isNode(value) {
877
+
return typeof Node === 'function' && value instanceof Node;
878
+
};
879
+
function _executeHooks(hooks, currentNode, data) {
880
+
arrayForEach(hooks, hook => {
881
+
hook.call(DOMPurify, currentNode, data, CONFIG);
882
+
});
883
+
}
884
+
/**
885
+
* _sanitizeElements
886
+
*
887
+
* @protect nodeName
888
+
* @protect textContent
889
+
* @protect removeChild
890
+
* @param currentNode to check for permission to exist
891
+
* @return true if node was killed, false if left alive
892
+
*/
893
+
const _sanitizeElements = function _sanitizeElements(currentNode) {
894
+
let content = null;
895
+
/* Execute a hook if present */
896
+
_executeHooks(hooks.beforeSanitizeElements, currentNode, null);
897
+
/* Check if element is clobbered or can clobber */
898
+
if (_isClobbered(currentNode)) {
899
+
_forceRemove(currentNode);
900
+
return true;
901
+
}
902
+
/* Now let's check the element's type and name */
903
+
const tagName = transformCaseFunc(currentNode.nodeName);
904
+
/* Execute a hook if present */
905
+
_executeHooks(hooks.uponSanitizeElement, currentNode, {
906
+
tagName,
907
+
allowedTags: ALLOWED_TAGS
908
+
});
909
+
/* Detect mXSS attempts abusing namespace confusion */
910
+
if (currentNode.hasChildNodes() && !_isNode(currentNode.firstElementChild) && regExpTest(/<[/\w]/g, currentNode.innerHTML) && regExpTest(/<[/\w]/g, currentNode.textContent)) {
911
+
_forceRemove(currentNode);
912
+
return true;
913
+
}
914
+
/* Remove any occurrence of processing instructions */
915
+
if (currentNode.nodeType === NODE_TYPE.progressingInstruction) {
916
+
_forceRemove(currentNode);
917
+
return true;
918
+
}
919
+
/* Remove any kind of possibly harmful comments */
920
+
if (SAFE_FOR_XML && currentNode.nodeType === NODE_TYPE.comment && regExpTest(/<[/\w]/g, currentNode.data)) {
921
+
_forceRemove(currentNode);
922
+
return true;
923
+
}
924
+
/* Remove element if anything forbids its presence */
925
+
if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
926
+
/* Check if we have a custom element to handle */
927
+
if (!FORBID_TAGS[tagName] && _isBasicCustomElement(tagName)) {
928
+
if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, tagName)) {
929
+
return false;
930
+
}
931
+
if (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(tagName)) {
932
+
return false;
933
+
}
934
+
}
935
+
/* Keep content except for bad-listed elements */
936
+
if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {
937
+
const parentNode = getParentNode(currentNode) || currentNode.parentNode;
938
+
const childNodes = getChildNodes(currentNode) || currentNode.childNodes;
939
+
if (childNodes && parentNode) {
940
+
const childCount = childNodes.length;
941
+
for (let i = childCount - 1; i >= 0; --i) {
942
+
const childClone = cloneNode(childNodes[i], true);
943
+
childClone.__removalCount = (currentNode.__removalCount || 0) + 1;
944
+
parentNode.insertBefore(childClone, getNextSibling(currentNode));
945
+
}
946
+
}
947
+
}
948
+
_forceRemove(currentNode);
949
+
return true;
950
+
}
951
+
/* Check whether element has a valid namespace */
952
+
if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {
953
+
_forceRemove(currentNode);
954
+
return true;
955
+
}
956
+
/* Make sure that older browsers don't get fallback-tag mXSS */
957
+
if ((tagName === 'noscript' || tagName === 'noembed' || tagName === 'noframes') && regExpTest(/<\/no(script|embed|frames)/i, currentNode.innerHTML)) {
958
+
_forceRemove(currentNode);
959
+
return true;
960
+
}
961
+
/* Sanitize element content to be template-safe */
962
+
if (SAFE_FOR_TEMPLATES && currentNode.nodeType === NODE_TYPE.text) {
963
+
/* Get the element's text content */
964
+
content = currentNode.textContent;
965
+
arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => {
966
+
content = stringReplace(content, expr, ' ');
967
+
});
968
+
if (currentNode.textContent !== content) {
969
+
arrayPush(DOMPurify.removed, {
970
+
element: currentNode.cloneNode()
971
+
});
972
+
currentNode.textContent = content;
973
+
}
974
+
}
975
+
/* Execute a hook if present */
976
+
_executeHooks(hooks.afterSanitizeElements, currentNode, null);
977
+
return false;
978
+
};
979
+
/**
980
+
* _isValidAttribute
981
+
*
982
+
* @param lcTag Lowercase tag name of containing element.
983
+
* @param lcName Lowercase attribute name.
984
+
* @param value Attribute value.
985
+
* @return Returns true if `value` is valid, otherwise false.
986
+
*/
987
+
// eslint-disable-next-line complexity
988
+
const _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {
989
+
/* Make sure attribute cannot clobber */
990
+
if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {
991
+
return false;
992
+
}
993
+
/* Allow valid data-* attributes: At least one character after "-"
994
+
(https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)
995
+
XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)
996
+
We don't need to check the value; it's always URI safe. */
997
+
if (ALLOW_DATA_ATTR && !FORBID_ATTR[lcName] && regExpTest(DATA_ATTR, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR, lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {
998
+
if (
999
+
// First condition does a very basic check if a) it's basically a valid custom element tagname AND
1000
+
// b) if the tagName passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck
1001
+
// and c) if the attribute name passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.attributeNameCheck
1002
+
_isBasicCustomElement(lcTag) && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, lcTag) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(lcTag)) && (CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.attributeNameCheck, lcName) || CUSTOM_ELEMENT_HANDLING.attributeNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.attributeNameCheck(lcName)) ||
1003
+
// Alternative, second condition checks if it's an `is`-attribute, AND
1004
+
// the value passes whatever the user has configured for CUSTOM_ELEMENT_HANDLING.tagNameCheck
1005
+
lcName === 'is' && CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements && (CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof RegExp && regExpTest(CUSTOM_ELEMENT_HANDLING.tagNameCheck, value) || CUSTOM_ELEMENT_HANDLING.tagNameCheck instanceof Function && CUSTOM_ELEMENT_HANDLING.tagNameCheck(value))) ; else {
1006
+
return false;
1007
+
}
1008
+
/* Check value is safe. First, is attr inert? If so, is safe */
1009
+
} else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (regExpTest(IS_ALLOWED_URI$1, stringReplace(value, ATTR_WHITESPACE, ''))) ; else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && stringIndexOf(value, 'data:') === 0 && DATA_URI_TAGS[lcTag]) ; else if (ALLOW_UNKNOWN_PROTOCOLS && !regExpTest(IS_SCRIPT_OR_DATA, stringReplace(value, ATTR_WHITESPACE, ''))) ; else if (value) {
1010
+
return false;
1011
+
} else ;
1012
+
return true;
1013
+
};
1014
+
/**
1015
+
* _isBasicCustomElement
1016
+
* checks if at least one dash is included in tagName, and it's not the first char
1017
+
* for more sophisticated checking see https://github.com/sindresorhus/validate-element-name
1018
+
*
1019
+
* @param tagName name of the tag of the node to sanitize
1020
+
* @returns Returns true if the tag name meets the basic criteria for a custom element, otherwise false.
1021
+
*/
1022
+
const _isBasicCustomElement = function _isBasicCustomElement(tagName) {
1023
+
return tagName !== 'annotation-xml' && stringMatch(tagName, CUSTOM_ELEMENT);
1024
+
};
1025
+
/**
1026
+
* _sanitizeAttributes
1027
+
*
1028
+
* @protect attributes
1029
+
* @protect nodeName
1030
+
* @protect removeAttribute
1031
+
* @protect setAttribute
1032
+
*
1033
+
* @param currentNode to sanitize
1034
+
*/
1035
+
const _sanitizeAttributes = function _sanitizeAttributes(currentNode) {
1036
+
/* Execute a hook if present */
1037
+
_executeHooks(hooks.beforeSanitizeAttributes, currentNode, null);
1038
+
const {
1039
+
attributes
1040
+
} = currentNode;
1041
+
/* Check if we have attributes; if not we might have a text node */
1042
+
if (!attributes || _isClobbered(currentNode)) {
1043
+
return;
1044
+
}
1045
+
const hookEvent = {
1046
+
attrName: '',
1047
+
attrValue: '',
1048
+
keepAttr: true,
1049
+
allowedAttributes: ALLOWED_ATTR,
1050
+
forceKeepAttr: undefined
1051
+
};
1052
+
let l = attributes.length;
1053
+
/* Go backwards over all attributes; safely remove bad ones */
1054
+
while (l--) {
1055
+
const attr = attributes[l];
1056
+
const {
1057
+
name,
1058
+
namespaceURI,
1059
+
value: attrValue
1060
+
} = attr;
1061
+
const lcName = transformCaseFunc(name);
1062
+
let value = name === 'value' ? attrValue : stringTrim(attrValue);
1063
+
/* Execute a hook if present */
1064
+
hookEvent.attrName = lcName;
1065
+
hookEvent.attrValue = value;
1066
+
hookEvent.keepAttr = true;
1067
+
hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set
1068
+
_executeHooks(hooks.uponSanitizeAttribute, currentNode, hookEvent);
1069
+
value = hookEvent.attrValue;
1070
+
/* Full DOM Clobbering protection via namespace isolation,
1071
+
* Prefix id and name attributes with `user-content-`
1072
+
*/
1073
+
if (SANITIZE_NAMED_PROPS && (lcName === 'id' || lcName === 'name')) {
1074
+
// Remove the attribute with this value
1075
+
_removeAttribute(name, currentNode);
1076
+
// Prefix the value and later re-create the attribute with the sanitized value
1077
+
value = SANITIZE_NAMED_PROPS_PREFIX + value;
1078
+
}
1079
+
/* Work around a security issue with comments inside attributes */
1080
+
if (SAFE_FOR_XML && regExpTest(/((--!?|])>)|<\/(style|title)/i, value)) {
1081
+
_removeAttribute(name, currentNode);
1082
+
continue;
1083
+
}
1084
+
/* Did the hooks approve of the attribute? */
1085
+
if (hookEvent.forceKeepAttr) {
1086
+
continue;
1087
+
}
1088
+
/* Remove attribute */
1089
+
_removeAttribute(name, currentNode);
1090
+
/* Did the hooks approve of the attribute? */
1091
+
if (!hookEvent.keepAttr) {
1092
+
continue;
1093
+
}
1094
+
/* Work around a security issue in jQuery 3.0 */
1095
+
if (!ALLOW_SELF_CLOSE_IN_ATTR && regExpTest(/\/>/i, value)) {
1096
+
_removeAttribute(name, currentNode);
1097
+
continue;
1098
+
}
1099
+
/* Sanitize attribute content to be template-safe */
1100
+
if (SAFE_FOR_TEMPLATES) {
1101
+
arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => {
1102
+
value = stringReplace(value, expr, ' ');
1103
+
});
1104
+
}
1105
+
/* Is `value` valid for this attribute? */
1106
+
const lcTag = transformCaseFunc(currentNode.nodeName);
1107
+
if (!_isValidAttribute(lcTag, lcName, value)) {
1108
+
continue;
1109
+
}
1110
+
/* Handle attributes that require Trusted Types */
1111
+
if (trustedTypesPolicy && typeof trustedTypes === 'object' && typeof trustedTypes.getAttributeType === 'function') {
1112
+
if (namespaceURI) ; else {
1113
+
switch (trustedTypes.getAttributeType(lcTag, lcName)) {
1114
+
case 'TrustedHTML':
1115
+
{
1116
+
value = trustedTypesPolicy.createHTML(value);
1117
+
break;
1118
+
}
1119
+
case 'TrustedScriptURL':
1120
+
{
1121
+
value = trustedTypesPolicy.createScriptURL(value);
1122
+
break;
1123
+
}
1124
+
}
1125
+
}
1126
+
}
1127
+
/* Handle invalid data-* attribute set by try-catching it */
1128
+
try {
1129
+
if (namespaceURI) {
1130
+
currentNode.setAttributeNS(namespaceURI, name, value);
1131
+
} else {
1132
+
/* Fallback to setAttribute() for browser-unrecognized namespaces e.g. "x-schema". */
1133
+
currentNode.setAttribute(name, value);
1134
+
}
1135
+
if (_isClobbered(currentNode)) {
1136
+
_forceRemove(currentNode);
1137
+
} else {
1138
+
arrayPop(DOMPurify.removed);
1139
+
}
1140
+
} catch (_) {}
1141
+
}
1142
+
/* Execute a hook if present */
1143
+
_executeHooks(hooks.afterSanitizeAttributes, currentNode, null);
1144
+
};
1145
+
/**
1146
+
* _sanitizeShadowDOM
1147
+
*
1148
+
* @param fragment to iterate over recursively
1149
+
*/
1150
+
const _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {
1151
+
let shadowNode = null;
1152
+
const shadowIterator = _createNodeIterator(fragment);
1153
+
/* Execute a hook if present */
1154
+
_executeHooks(hooks.beforeSanitizeShadowDOM, fragment, null);
1155
+
while (shadowNode = shadowIterator.nextNode()) {
1156
+
/* Execute a hook if present */
1157
+
_executeHooks(hooks.uponSanitizeShadowNode, shadowNode, null);
1158
+
/* Sanitize tags and elements */
1159
+
_sanitizeElements(shadowNode);
1160
+
/* Check attributes next */
1161
+
_sanitizeAttributes(shadowNode);
1162
+
/* Deep shadow DOM detected */
1163
+
if (shadowNode.content instanceof DocumentFragment) {
1164
+
_sanitizeShadowDOM(shadowNode.content);
1165
+
}
1166
+
}
1167
+
/* Execute a hook if present */
1168
+
_executeHooks(hooks.afterSanitizeShadowDOM, fragment, null);
1169
+
};
1170
+
// eslint-disable-next-line complexity
1171
+
DOMPurify.sanitize = function (dirty) {
1172
+
let cfg = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
1173
+
let body = null;
1174
+
let importedNode = null;
1175
+
let currentNode = null;
1176
+
let returnNode = null;
1177
+
/* Make sure we have a string to sanitize.
1178
+
DO NOT return early, as this will return the wrong type if
1179
+
the user has requested a DOM object rather than a string */
1180
+
IS_EMPTY_INPUT = !dirty;
1181
+
if (IS_EMPTY_INPUT) {
1182
+
dirty = '<!-->';
1183
+
}
1184
+
/* Stringify, in case dirty is an object */
1185
+
if (typeof dirty !== 'string' && !_isNode(dirty)) {
1186
+
if (typeof dirty.toString === 'function') {
1187
+
dirty = dirty.toString();
1188
+
if (typeof dirty !== 'string') {
1189
+
throw typeErrorCreate('dirty is not a string, aborting');
1190
+
}
1191
+
} else {
1192
+
throw typeErrorCreate('toString is not a function');
1193
+
}
1194
+
}
1195
+
/* Return dirty HTML if DOMPurify cannot run */
1196
+
if (!DOMPurify.isSupported) {
1197
+
return dirty;
1198
+
}
1199
+
/* Assign config vars */
1200
+
if (!SET_CONFIG) {
1201
+
_parseConfig(cfg);
1202
+
}
1203
+
/* Clean up removed elements */
1204
+
DOMPurify.removed = [];
1205
+
/* Check if dirty is correctly typed for IN_PLACE */
1206
+
if (typeof dirty === 'string') {
1207
+
IN_PLACE = false;
1208
+
}
1209
+
if (IN_PLACE) {
1210
+
/* Do some early pre-sanitization to avoid unsafe root nodes */
1211
+
if (dirty.nodeName) {
1212
+
const tagName = transformCaseFunc(dirty.nodeName);
1213
+
if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
1214
+
throw typeErrorCreate('root node is forbidden and cannot be sanitized in-place');
1215
+
}
1216
+
}
1217
+
} else if (dirty instanceof Node) {
1218
+
/* If dirty is a DOM element, append to an empty document to avoid
1219
+
elements being stripped by the parser */
1220
+
body = _initDocument('<!---->');
1221
+
importedNode = body.ownerDocument.importNode(dirty, true);
1222
+
if (importedNode.nodeType === NODE_TYPE.element && importedNode.nodeName === 'BODY') {
1223
+
/* Node is already a body, use as is */
1224
+
body = importedNode;
1225
+
} else if (importedNode.nodeName === 'HTML') {
1226
+
body = importedNode;
1227
+
} else {
1228
+
// eslint-disable-next-line unicorn/prefer-dom-node-append
1229
+
body.appendChild(importedNode);
1230
+
}
1231
+
} else {
1232
+
/* Exit directly if we have nothing to do */
1233
+
if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT &&
1234
+
// eslint-disable-next-line unicorn/prefer-includes
1235
+
dirty.indexOf('<') === -1) {
1236
+
return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;
1237
+
}
1238
+
/* Initialize the document to work on */
1239
+
body = _initDocument(dirty);
1240
+
/* Check we have a DOM node from the data */
1241
+
if (!body) {
1242
+
return RETURN_DOM ? null : RETURN_TRUSTED_TYPE ? emptyHTML : '';
1243
+
}
1244
+
}
1245
+
/* Remove first element node (ours) if FORCE_BODY is set */
1246
+
if (body && FORCE_BODY) {
1247
+
_forceRemove(body.firstChild);
1248
+
}
1249
+
/* Get node iterator */
1250
+
const nodeIterator = _createNodeIterator(IN_PLACE ? dirty : body);
1251
+
/* Now start iterating over the created document */
1252
+
while (currentNode = nodeIterator.nextNode()) {
1253
+
/* Sanitize tags and elements */
1254
+
_sanitizeElements(currentNode);
1255
+
/* Check attributes next */
1256
+
_sanitizeAttributes(currentNode);
1257
+
/* Shadow DOM detected, sanitize it */
1258
+
if (currentNode.content instanceof DocumentFragment) {
1259
+
_sanitizeShadowDOM(currentNode.content);
1260
+
}
1261
+
}
1262
+
/* If we sanitized `dirty` in-place, return it. */
1263
+
if (IN_PLACE) {
1264
+
return dirty;
1265
+
}
1266
+
/* Return sanitized string or DOM */
1267
+
if (RETURN_DOM) {
1268
+
if (RETURN_DOM_FRAGMENT) {
1269
+
returnNode = createDocumentFragment.call(body.ownerDocument);
1270
+
while (body.firstChild) {
1271
+
// eslint-disable-next-line unicorn/prefer-dom-node-append
1272
+
returnNode.appendChild(body.firstChild);
1273
+
}
1274
+
} else {
1275
+
returnNode = body;
1276
+
}
1277
+
if (ALLOWED_ATTR.shadowroot || ALLOWED_ATTR.shadowrootmode) {
1278
+
/*
1279
+
AdoptNode() is not used because internal state is not reset
1280
+
(e.g. the past names map of a HTMLFormElement), this is safe
1281
+
in theory but we would rather not risk another attack vector.
1282
+
The state that is cloned by importNode() is explicitly defined
1283
+
by the specs.
1284
+
*/
1285
+
returnNode = importNode.call(originalDocument, returnNode, true);
1286
+
}
1287
+
return returnNode;
1288
+
}
1289
+
let serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
1290
+
/* Serialize doctype if allowed */
1291
+
if (WHOLE_DOCUMENT && ALLOWED_TAGS['!doctype'] && body.ownerDocument && body.ownerDocument.doctype && body.ownerDocument.doctype.name && regExpTest(DOCTYPE_NAME, body.ownerDocument.doctype.name)) {
1292
+
serializedHTML = '<!DOCTYPE ' + body.ownerDocument.doctype.name + '>\n' + serializedHTML;
1293
+
}
1294
+
/* Sanitize final string template-safe */
1295
+
if (SAFE_FOR_TEMPLATES) {
1296
+
arrayForEach([MUSTACHE_EXPR, ERB_EXPR, TMPLIT_EXPR], expr => {
1297
+
serializedHTML = stringReplace(serializedHTML, expr, ' ');
1298
+
});
1299
+
}
1300
+
return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML;
1301
+
};
1302
+
DOMPurify.setConfig = function () {
1303
+
let cfg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
1304
+
_parseConfig(cfg);
1305
+
SET_CONFIG = true;
1306
+
};
1307
+
DOMPurify.clearConfig = function () {
1308
+
CONFIG = null;
1309
+
SET_CONFIG = false;
1310
+
};
1311
+
DOMPurify.isValidAttribute = function (tag, attr, value) {
1312
+
/* Initialize shared config vars if necessary. */
1313
+
if (!CONFIG) {
1314
+
_parseConfig({});
1315
+
}
1316
+
const lcTag = transformCaseFunc(tag);
1317
+
const lcName = transformCaseFunc(attr);
1318
+
return _isValidAttribute(lcTag, lcName, value);
1319
+
};
1320
+
DOMPurify.addHook = function (entryPoint, hookFunction) {
1321
+
if (typeof hookFunction !== 'function') {
1322
+
return;
1323
+
}
1324
+
arrayPush(hooks[entryPoint], hookFunction);
1325
+
};
1326
+
DOMPurify.removeHook = function (entryPoint, hookFunction) {
1327
+
if (hookFunction !== undefined) {
1328
+
const index = arrayLastIndexOf(hooks[entryPoint], hookFunction);
1329
+
return index === -1 ? undefined : arraySplice(hooks[entryPoint], index, 1)[0];
1330
+
}
1331
+
return arrayPop(hooks[entryPoint]);
1332
+
};
1333
+
DOMPurify.removeHooks = function (entryPoint) {
1334
+
hooks[entryPoint] = [];
1335
+
};
1336
+
DOMPurify.removeAllHooks = function () {
1337
+
hooks = _createHooksMap();
1338
+
};
1339
+
return DOMPurify;
1340
+
}
1341
+
var purify = createDOMPurify();
1342
+
1343
+
return purify;
1344
+
1345
+
}));
1346
+
//# sourceMappingURL=purify.js.map
1347
+