Brunobkr/llama.cpp_AlgMor24_github
ΩFFFΣLLIa • llama.cpp • AlgMor24 ██████╗ ███████╗███████╗███████╗██╗ ██╗ ██╗ █████╗ ██╔═══██╗██╔════╝██╔════╝██╔════╝██║ ██║ ██║██╔══██╗ ██║ ██║█████╗ █████╗ █████╗ ██║ ██║ ██║███████║ ██║ ██║██╔══╝ ██╔══╝ ██╔══╝ ██║ ██║ ██║██╔══██║ ╚██████╔╝██║ ██║ ███████╗███████╗███████╗██║██║ ██║ ╚═════╝ ╚═╝ ╚═╝ ╚══════╝╚══════╝╚══════╝╚═╝╚═╝ ╚═╝ High-Performance LLM / VLM Inference & Autonomous Agentic Ecosystem… See the full description on the dataset page: https://huggingface.co/datasets/Brunobkr/llama.cpp_AlgMor24_github.
03.1k
1/*! @license DOMPurify 3.4.13 | (c) Cure53 and other contributors | Released under the Apache license 2.0 and Mozilla Public License 2.0 | github.com/cure53/DOMPurify/blob/3.4.13/LICENSE */2 3function _arrayLikeToArray(r, a) {4 (null == a || a > r.length) && (a = r.length);5 for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e];6 return n;7}8function _arrayWithHoles(r) {9 if (Array.isArray(r)) return r;10}11function _iterableToArrayLimit(r, l) {12 var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"];13 if (null != t) {14 var e,15 n,16 i,17 u,18 a = [],19 f = true,20 o = false;21 try {22 if (i = (t = t.call(r)).next, 0 === l) ; else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0);23 } catch (r) {24 o = true, n = r;25 } finally {26 try {27 if (!f && null != t.return && (u = t.return(), Object(u) !== u)) return;28 } finally {29 if (o) throw n;30 }31 }32 return a;33 }34}35function _nonIterableRest() {36 throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");37}38function _slicedToArray(r, e) {39 return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest();40}41function _unsupportedIterableToArray(r, a) {42 if (r) {43 if ("string" == typeof r) return _arrayLikeToArray(r, a);44 var t = {}.toString.call(r).slice(8, -1);45 return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0;46 }47}48 49const entries = Object.entries,50 setPrototypeOf = Object.setPrototypeOf,51 isFrozen = Object.isFrozen,52 getPrototypeOf = Object.getPrototypeOf,53 getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;54let freeze = Object.freeze,55 seal = Object.seal,56 create = Object.create; // eslint-disable-line import/no-mutable-exports57let _ref = typeof Reflect !== 'undefined' && Reflect,58 apply = _ref.apply,59 construct = _ref.construct;60if (!freeze) {61 freeze = function freeze(x) {62 return x;63 };64}65if (!seal) {66 seal = function seal(x) {67 return x;68 };69}70if (!apply) {71 apply = function apply(func, thisArg) {72 for (var _len = arguments.length, args = new Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {73 args[_key - 2] = arguments[_key];74 }75 return func.apply(thisArg, args);76 };77}78if (!construct) {79 construct = function construct(Func) {80 for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {81 args[_key2 - 1] = arguments[_key2];82 }83 return new Func(...args);84 };85}86const arrayForEach = unapply(Array.prototype.forEach);87const arrayLastIndexOf = unapply(Array.prototype.lastIndexOf);88const arrayPop = unapply(Array.prototype.pop);89const arrayPush = unapply(Array.prototype.push);90const arraySplice = unapply(Array.prototype.splice);91const arrayIsArray = Array.isArray;92const stringToLowerCase = unapply(String.prototype.toLowerCase);93const stringToString = unapply(String.prototype.toString);94const stringMatch = unapply(String.prototype.match);95const stringReplace = unapply(String.prototype.replace);96const stringIndexOf = unapply(String.prototype.indexOf);97const stringTrim = unapply(String.prototype.trim);98const numberToString = unapply(Number.prototype.toString);99const booleanToString = unapply(Boolean.prototype.toString);100const bigintToString = typeof BigInt === 'undefined' ? null : unapply(BigInt.prototype.toString);101const symbolToString = typeof Symbol === 'undefined' ? null : unapply(Symbol.prototype.toString);102const objectHasOwnProperty = unapply(Object.prototype.hasOwnProperty);103const objectToString = unapply(Object.prototype.toString);104const regExpTest = unapply(RegExp.prototype.test);105const typeErrorCreate = unconstruct(TypeError);106/**107 * Creates a new function that calls the given function with a specified thisArg and arguments.108 *109 * @param func - The function to be wrapped and called.110 * @returns A new function that calls the given function with a specified thisArg and arguments.111 */112function unapply(func) {113 return function (thisArg) {114 if (thisArg instanceof RegExp) {115 thisArg.lastIndex = 0;116 }117 for (var _len3 = arguments.length, args = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {118 args[_key3 - 1] = arguments[_key3];119 }120 return apply(func, thisArg, args);121 };122}123/**124 * Creates a new function that constructs an instance of the given constructor function with the provided arguments.125 *126 * @param func - The constructor function to be wrapped and called.127 * @returns A new function that constructs an instance of the given constructor function with the provided arguments.128 */129function unconstruct(Func) {130 return function () {131 for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {132 args[_key4] = arguments[_key4];133 }134 return construct(Func, args);135 };136}137/**138 * Add properties to a lookup table139 *140 * @param set - The set to which elements will be added.141 * @param array - The array containing elements to be added to the set.142 * @param transformCaseFunc - An optional function to transform the case of each element before adding to the set.143 * @returns The modified set with added elements.144 */145function addToSet(set, array) {146 let transformCaseFunc = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : stringToLowerCase;147 if (setPrototypeOf) {148 // Make 'in' and truthy checks like Boolean(set.constructor)149 // independent of any properties defined on Object.prototype.150 // Prevent prototype setters from intercepting set as a this value.151 setPrototypeOf(set, null);152 }153 if (!arrayIsArray(array)) {154 return set;155 }156 let l = array.length;157 while (l--) {158 let element = array[l];159 if (typeof element === 'string') {160 const lcElement = transformCaseFunc(element);161 if (lcElement !== element) {162 // Config presets (e.g. tags.js, attrs.js) are immutable.163 if (!isFrozen(array)) {164 array[l] = lcElement;165 }166 element = lcElement;167 }168 }169 set[element] = true;170 }171 return set;172}173/**174 * Clean up an array to harden against CSPP175 *176 * @param array - The array to be cleaned.177 * @returns The cleaned version of the array178 */179function cleanArray(array) {180 for (let index = 0; index < array.length; index++) {181 const isPropertyExist = objectHasOwnProperty(array, index);182 if (!isPropertyExist) {183 array[index] = null;184 }185 }186 return array;187}188/**189 * Shallow clone an object190 *191 * @param object - The object to be cloned.192 * @returns A new object that copies the original.193 */194function clone(object) {195 const newObject = create(null);196 for (const _ref2 of entries(object)) {197 var _ref3 = _slicedToArray(_ref2, 2);198 const property = _ref3[0];199 const value = _ref3[1];200 const isPropertyExist = objectHasOwnProperty(object, property);201 if (isPropertyExist) {202 if (arrayIsArray(value)) {203 newObject[property] = cleanArray(value);204 } else if (value && typeof value === 'object' && value.constructor === Object) {205 newObject[property] = clone(value);206 } else {207 newObject[property] = value;208 }209 }210 }211 return newObject;212}213/**214 * Convert non-node values into strings without depending on direct property access.215 *216 * @param value - The value to stringify.217 * @returns A string representation of the provided value.218 */219function stringifyValue(value) {220 switch (typeof value) {221 case 'string':222 {223 return value;224 }225 case 'number':226 {227 return numberToString(value);228 }229 case 'boolean':230 {231 return booleanToString(value);232 }233 case 'bigint':234 {235 return bigintToString ? bigintToString(value) : '0';236 }237 case 'symbol':238 {239 return symbolToString ? symbolToString(value) : 'Symbol()';240 }241 case 'undefined':242 {243 return objectToString(value);244 }245 case 'function':246 case 'object':247 {248 if (value === null) {249 return objectToString(value);250 }251 const valueAsRecord = value;252 const valueToString = lookupGetter(valueAsRecord, 'toString');253 if (typeof valueToString === 'function') {254 const stringified = valueToString(valueAsRecord);255 return typeof stringified === 'string' ? stringified : objectToString(stringified);256 }257 return objectToString(value);258 }259 default:260 {261 return objectToString(value);262 }263 }264}265/**266 * This method automatically checks if the prop is function or getter and behaves accordingly.267 *268 * @param object - The object to look up the getter function in its prototype chain.269 * @param prop - The property name for which to find the getter function.270 * @returns The getter function found in the prototype chain or a fallback function.271 */272function lookupGetter(object, prop) {273 while (object !== null) {274 const desc = getOwnPropertyDescriptor(object, prop);275 if (desc) {276 if (desc.get) {277 return unapply(desc.get);278 }279 if (typeof desc.value === 'function') {280 return unapply(desc.value);281 }282 }283 object = getPrototypeOf(object);284 }285 function fallbackValue() {286 return null;287 }288 return fallbackValue;289}290function isRegex(value) {291 try {292 regExpTest(value, '');293 return true;294 } catch (_unused) {295 return false;296 }297}298 299const 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', 'search', 'section', 'select', 'shadow', 'slot', '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']);300const svg$1 = freeze(['svg', 'a', 'altglyph', 'altglyphdef', 'altglyphitem', 'animatecolor', 'animatemotion', 'animatetransform', 'circle', 'clippath', 'defs', 'desc', 'ellipse', 'enterkeyhint', 'exportparts', 'filter', 'font', 'g', 'glyph', 'glyphref', 'hkern', 'image', 'inputmode', 'line', 'lineargradient', 'marker', 'mask', 'metadata', 'mpath', 'part', 'path', 'pattern', 'polygon', 'polyline', 'radialgradient', 'rect', 'stop', 'style', 'switch', 'symbol', 'text', 'textpath', 'title', 'tref', 'tspan', 'view', 'vkern']);301const 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']);302// List of SVG elements that are disallowed by default.303// We still need to know them so that we can do namespace304// checks properly in case one wants to add them to305// allow-list.306const 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']);307const 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']);308// Similarly to SVG, we want to know all MathML elements,309// even those that we disallow by default.310const mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);311const text = freeze(['#text']);312 313const html = freeze(['accept', 'action', 'align', 'alt', 'autocapitalize', 'autocomplete', 'autopictureinpicture', 'autoplay', 'background', 'bgcolor', 'border', 'capture', 'cellpadding', 'cellspacing', 'checked', 'cite', 'class', 'clear', 'color', 'cols', 'colspan', 'command', 'commandfor', 'controls', 'controlslist', 'coords', 'crossorigin', 'datetime', 'decoding', 'default', 'dir', 'disabled', 'disablepictureinpicture', 'disableremoteplayback', 'download', 'draggable', 'enctype', 'enterkeyhint', 'exportparts', 'face', 'for', 'headers', 'height', 'hidden', 'high', 'href', 'hreflang', 'id', 'inert', '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', 'part', 'pattern', 'placeholder', 'playsinline', 'popover', 'popovertarget', 'popovertargetaction', 'poster', 'preload', 'pubdate', 'radiogroup', 'readonly', 'rel', 'required', 'rev', 'reversed', 'role', 'rows', 'rowspan', 'spellcheck', 'scope', 'selected', 'shape', 'size', 'sizes', 'slot', 'span', 'srclang', 'start', 'src', 'srcset', 'step', 'style', 'summary', 'tabindex', 'title', 'translate', 'type', 'usemap', 'valign', 'value', 'width', 'wrap', 'xmlns']);314const 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', 'dominant-baseline', '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', 'mask-type', '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-orientation', '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']);315const mathMl = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnalign', 'columnlines', 'columnspacing', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lquote', 'lspace', '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']);316const xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);317 318const MUSTACHE_EXPR = seal(/{{[\w\W]*|^[\w\W]*}}/g);319const ERB_EXPR = seal(/<%[\w\W]*|^[\w\W]*%>/g);320const TMPLIT_EXPR = seal(/\${[\w\W]*/g);321const DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]+$/); // eslint-disable-line no-useless-escape322const ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape323const IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|sms|cid|xmpp|matrix):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i // eslint-disable-line no-useless-escape324);325const IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);326const ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g // eslint-disable-line no-control-regex327);328const DOCTYPE_NAME = seal(/^html$/i);329const CUSTOM_ELEMENT = seal(/^[a-z][.\w]*(-[.\w]+)+$/i);330// Markup-significant character probes used by _sanitizeElements.331// Shared module-level instances are safe despite the sticky /g flags:332// unapply() resets lastIndex for RegExp receivers before every call.333const ELEMENT_MARKUP_PROBE = seal(/<[/\w!]/g);334const COMMENT_MARKUP_PROBE = seal(/<[/\w]/g);335const FALLBACK_TAG_CLOSE = seal(/<\/no(script|embed|frames)/i);336const SELF_CLOSING_TAG = seal(/\/>/i);337 338// https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType339const NODE_TYPE = {340 element: 1,341 attribute: 2,342 text: 3,343 cdataSection: 4,344 entityReference: 5,345 // Deprecated346 entityNode: 6,347 // Deprecated348 processingInstruction: 7,349 comment: 8,350 document: 9,351 documentType: 10,352 documentFragment: 11,353 notation: 12 // Deprecated354};355const getGlobal = function getGlobal() {356 return typeof window === 'undefined' ? null : window;357};358/**359 * Creates a no-op policy for internal use only.360 * Don't export this function outside this module!361 * @param trustedTypes The policy factory.362 * @param purifyHostElement The Script element used to load DOMPurify (to determine policy name suffix).363 * @return The policy created (or null, if Trusted Types364 * are not supported or creating the policy failed).365 */366const _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, purifyHostElement) {367 if (typeof trustedTypes !== 'object' || typeof trustedTypes.createPolicy !== 'function') {368 return null;369 }370 // Allow the callers to control the unique policy name371 // by adding a data-tt-policy-suffix to the script element with the DOMPurify.372 // Policy creation with duplicate names throws in Trusted Types.373 let suffix = null;374 const ATTR_NAME = 'data-tt-policy-suffix';375 if (purifyHostElement && purifyHostElement.hasAttribute(ATTR_NAME)) {376 suffix = purifyHostElement.getAttribute(ATTR_NAME);377 }378 const policyName = 'dompurify' + (suffix ? '#' + suffix : '');379 try {380 return trustedTypes.createPolicy(policyName, {381 createHTML(html) {382 return html;383 },384 createScriptURL(scriptUrl) {385 return scriptUrl;386 }387 });388 } catch (_) {389 // Policy creation failed (most likely another DOMPurify script has390 // already run). Skip creating the policy, as this will only cause errors391 // if TT are enforced.392 console.warn('TrustedTypes policy ' + policyName + ' could not be created.');393 return null;394 }395};396const _createHooksMap = function _createHooksMap() {397 return {398 afterSanitizeAttributes: [],399 afterSanitizeElements: [],400 afterSanitizeShadowDOM: [],401 beforeSanitizeAttributes: [],402 beforeSanitizeElements: [],403 beforeSanitizeShadowDOM: [],404 uponSanitizeAttribute: [],405 uponSanitizeElement: [],406 uponSanitizeShadowNode: []407 };408};409/**410 * Resolve a set-valued configuration option: a fresh set built from411 * cfg[key] when it is an own array property (seeded with a clone of412 * options.base when given, case-normalized via options.transform),413 * the fallback set otherwise.414 *415 * @param cfg the cloned, prototype-free configuration object416 * @param key the configuration property to read417 * @param fallback the set to use when the option is absent or not an array418 * @param options transform and optional base set to merge into419 * @returns the resolved set420 */421const _resolveSetOption = function _resolveSetOption(cfg, key, fallback, options) {422 return objectHasOwnProperty(cfg, key) && arrayIsArray(cfg[key]) ? addToSet(options.base ? clone(options.base) : {}, cfg[key], options.transform) : fallback;423};424function createDOMPurify() {425 let window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();426 const DOMPurify = root => createDOMPurify(root);427 DOMPurify.version = '3.4.13';428 DOMPurify.removed = [];429 if (!window || !window.document || window.document.nodeType !== NODE_TYPE.document || !window.Element) {430 // Not running in a browser, provide a factory function431 // so that you can pass your own Window432 DOMPurify.isSupported = false;433 return DOMPurify;434 }435 let document = window.document;436 const originalDocument = document;437 const currentScript = originalDocument.currentScript;438 window.DocumentFragment;439 const HTMLTemplateElement = window.HTMLTemplateElement,440 Node = window.Node,441 Element = window.Element,442 NodeFilter = window.NodeFilter,443 _window$NamedNodeMap = window.NamedNodeMap;444 _window$NamedNodeMap === void 0 ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap;445 window.HTMLFormElement;446 const DOMParser = window.DOMParser,447 trustedTypes = window.trustedTypes;448 const ElementPrototype = Element.prototype;449 const cloneNode = lookupGetter(ElementPrototype, 'cloneNode');450 const remove = lookupGetter(ElementPrototype, 'remove');451 const getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');452 const getChildNodes = lookupGetter(ElementPrototype, 'childNodes');453 const getParentNode = lookupGetter(ElementPrototype, 'parentNode');454 const getShadowRoot = lookupGetter(ElementPrototype, 'shadowRoot');455 const getAttributes = lookupGetter(ElementPrototype, 'attributes');456 const getNodeType = Node && Node.prototype ? lookupGetter(Node.prototype, 'nodeType') : null;457 const getNodeName = Node && Node.prototype ? lookupGetter(Node.prototype, 'nodeName') : null;458 const getOwnerDocument = Node && Node.prototype ? lookupGetter(Node.prototype, 'ownerDocument') : null;459 // As per issue #47, the web-components registry is inherited by a460 // new document created via createHTMLDocument. As per the spec461 // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries)462 // a new empty registry is used when creating a template contents owner463 // document, so we use that as our parent document to ensure nothing464 // is inherited.465 if (typeof HTMLTemplateElement === 'function') {466 const template = document.createElement('template');467 if (template.content && template.content.ownerDocument) {468 document = template.content.ownerDocument;469 }470 }471 let trustedTypesPolicy;472 let emptyHTML = '';473 // The instance's own internal Trusted Types policy. Unlike a caller-supplied474 // `TRUSTED_TYPES_POLICY`, this is created at most once — Trusted Types throws475 // on duplicate policy names — and is the only policy allowed to persist476 // across configurations and survive `clearConfig()`.477 let defaultTrustedTypesPolicy;478 let defaultTrustedTypesPolicyResolved = false;479 // Tracks whether we are already inside a call to the configured Trusted Types480 // policy (`createHTML` or `createScriptURL`). If a supplied policy callback481 // itself calls `DOMPurify.sanitize` (the cause of #1422), `sanitize` would482 // re-enter the policy and recurse until the stack overflows. We detect that483 // re-entry and throw a clear, actionable error instead. The guard is shared484 // across both callbacks, because either one re-entering `sanitize` triggers485 // the same unbounded recursion.486 let IN_TRUSTED_TYPES_POLICY = 0;487 const _assertNotInTrustedTypesPolicy = function _assertNotInTrustedTypesPolicy() {488 if (IN_TRUSTED_TYPES_POLICY > 0) {489 throw typeErrorCreate('A configured TRUSTED_TYPES_POLICY callback (createHTML or ' + 'createScriptURL) must not call DOMPurify.sanitize, as that causes ' + 'infinite recursion. Do not pass a policy whose callbacks wrap ' + 'DOMPurify as TRUSTED_TYPES_POLICY; see the "DOMPurify and Trusted ' + 'Types" section of the README.');490 }491 };492 const _createTrustedHTML = function _createTrustedHTML(html) {493 _assertNotInTrustedTypesPolicy();494 IN_TRUSTED_TYPES_POLICY++;495 try {496 return trustedTypesPolicy.createHTML(html);497 } finally {498 IN_TRUSTED_TYPES_POLICY--;499 }500 };501 const _createTrustedScriptURL = function _createTrustedScriptURL(scriptUrl) {502 _assertNotInTrustedTypesPolicy();503 IN_TRUSTED_TYPES_POLICY++;504 try {505 return trustedTypesPolicy.createScriptURL(scriptUrl);506 } finally {507 IN_TRUSTED_TYPES_POLICY--;508 }509 };510 // Lazily resolve (and cache) the instance's internal default policy.511 // Resolution is attempted at most once: a successful `createPolicy` cannot be512 // repeated (Trusted Types throws on duplicate names), and a failed or513 // unsupported attempt must not be retried on every parse.514 const _getDefaultTrustedTypesPolicy = function _getDefaultTrustedTypesPolicy() {515 if (!defaultTrustedTypesPolicyResolved) {516 defaultTrustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, currentScript);517 defaultTrustedTypesPolicyResolved = true;518 }519 return defaultTrustedTypesPolicy;520 };521 const _document = document,522 implementation = _document.implementation,523 createNodeIterator = _document.createNodeIterator,524 createDocumentFragment = _document.createDocumentFragment,525 getElementsByTagName = _document.getElementsByTagName;526 const importNode = originalDocument.importNode;527 let hooks = _createHooksMap();528 /**529 * Expose whether this browser supports running the full DOMPurify.530 */531 DOMPurify.isSupported = typeof entries === 'function' && typeof getParentNode === 'function' && implementation && implementation.createHTMLDocument !== undefined;532 const MUSTACHE_EXPR$1 = MUSTACHE_EXPR,533 ERB_EXPR$1 = ERB_EXPR,534 TMPLIT_EXPR$1 = TMPLIT_EXPR,535 DATA_ATTR$1 = DATA_ATTR,536 ARIA_ATTR$1 = ARIA_ATTR,537 IS_SCRIPT_OR_DATA$1 = IS_SCRIPT_OR_DATA,538 ATTR_WHITESPACE$1 = ATTR_WHITESPACE,539 CUSTOM_ELEMENT$1 = CUSTOM_ELEMENT;540 let IS_ALLOWED_URI$1 = IS_ALLOWED_URI;541 /**542 * We consider the elements and attributes below to be safe. Ideally543 * don't add any new ones but feel free to remove unwanted ones.544 */545 /* allowed element names */546 let ALLOWED_TAGS = null;547 const DEFAULT_ALLOWED_TAGS = addToSet({}, [...html$1, ...svg$1, ...svgFilters, ...mathMl$1, ...text]);548 /* Allowed attribute names */549 let ALLOWED_ATTR = null;550 const DEFAULT_ALLOWED_ATTR = addToSet({}, [...html, ...svg, ...mathMl, ...xml]);551 /*552 * Configure how DOMPurify should handle custom elements and their attributes as well as customized built-in elements.553 * @property {RegExp|Function|null} tagNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any custom elements)554 * @property {RegExp|Function|null} attributeNameCheck one of [null, regexPattern, predicate]. Default: `null` (disallow any attributes not on the allow list)555 * @property {boolean} allowCustomizedBuiltInElements allow custom elements derived from built-ins if they pass CUSTOM_ELEMENT_HANDLING.tagNameCheck. Default: `false`.556 */557 let CUSTOM_ELEMENT_HANDLING = Object.seal(create(null, {558 tagNameCheck: {559 writable: true,560 configurable: false,561 enumerable: true,562 value: null563 },564 attributeNameCheck: {565 writable: true,566 configurable: false,567 enumerable: true,568 value: null569 },570 allowCustomizedBuiltInElements: {571 writable: true,572 configurable: false,573 enumerable: true,574 value: false575 }576 }));577 /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */578 let FORBID_TAGS = null;579 /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */580 let FORBID_ATTR = null;581 /* Config object to store ADD_TAGS/ADD_ATTR functions (when used as functions) */582 const EXTRA_ELEMENT_HANDLING = Object.seal(create(null, {583 tagCheck: {584 writable: true,585 configurable: false,586 enumerable: true,587 value: null588 },589 attributeCheck: {590 writable: true,591 configurable: false,592 enumerable: true,593 value: null594 }595 }));596 /* Decide if ARIA attributes are okay */597 let ALLOW_ARIA_ATTR = true;598 /* Decide if custom data attributes are okay */599 let ALLOW_DATA_ATTR = true;600 /* Decide if unknown protocols are okay */601 let ALLOW_UNKNOWN_PROTOCOLS = false;602 /* Decide if self-closing tags in attributes are allowed.603 * Usually removed due to a mXSS issue in jQuery 3.0 */604 let ALLOW_SELF_CLOSE_IN_ATTR = true;605 /* Output should be safe for common template engines.606 * This means, DOMPurify removes data attributes, mustaches and ERB607 */608 let SAFE_FOR_TEMPLATES = false;609 /* Output should be safe even for XML used within HTML and alike.610 * This means, DOMPurify removes comments when containing risky content.611 */612 let SAFE_FOR_XML = true;613 /* Decide if document with <html>... should be returned */614 let WHOLE_DOCUMENT = false;615 /* Track whether config is already set on this instance of DOMPurify. */616 let SET_CONFIG = false;617 /* Pristine allowlist bindings captured at setConfig() time. On the618 * persistent-config path sanitize() restores the sets from these before619 * the per-walk hook clone-guard, so a hook's in-call widening cannot620 * carry across calls. Null until setConfig() is called; reset by621 * clearConfig(). */622 let SET_CONFIG_ALLOWED_TAGS = null;623 let SET_CONFIG_ALLOWED_ATTR = null;624 /* Decide if all elements (e.g. style, script) must be children of625 * document.body. By default, browsers might move them to document.head */626 let FORCE_BODY = false;627 /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html628 * string (or a TrustedHTML object if Trusted Types are supported).629 * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead630 */631 let RETURN_DOM = false;632 /* Decide if a DOM `DocumentFragment` should be returned, instead of a html633 * string (or a TrustedHTML object if Trusted Types are supported) */634 let RETURN_DOM_FRAGMENT = false;635 /* Try to return a Trusted Type object instead of a string, return a string in636 * case Trusted Types are not supported */637 let RETURN_TRUSTED_TYPE = false;638 /* Output should be free from DOM clobbering attacks?639 * This sanitizes markups named with colliding, clobberable built-in DOM APIs.640 */641 let SANITIZE_DOM = true;642 /* Achieve full DOM Clobbering protection by isolating the namespace of named643 * properties and JS variables, mitigating attacks that abuse the HTML/DOM spec rules.644 *645 * HTML/DOM spec rules that enable DOM Clobbering:646 * - Named Access on Window (§7.3.3)647 * - DOM Tree Accessors (§3.1.5)648 * - Form Element Parent-Child Relations (§4.10.3)649 * - Iframe srcdoc / Nested WindowProxies (§4.8.5)650 * - HTMLCollection (§4.2.10.2)651 *652 * Namespace isolation is implemented by prefixing `id` and `name` attributes653 * with a constant string, i.e., `user-content-`654 */655 let SANITIZE_NAMED_PROPS = false;656 const SANITIZE_NAMED_PROPS_PREFIX = 'user-content-';657 /* Keep element content when removing element? */658 let KEEP_CONTENT = true;659 /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead660 * of importing it into a new Document and returning a sanitized copy */661 let IN_PLACE = false;662 /* Allow usage of profiles like html, svg and mathMl */663 let USE_PROFILES = {};664 /* Tags to ignore content of when KEEP_CONTENT is true */665 let FORBID_CONTENTS = null;666 const DEFAULT_FORBID_CONTENTS = addToSet({}, ['annotation-xml', 'audio', 'colgroup', 'desc', 'foreignobject', 'head', 'iframe', 'math', 'mi', 'mn', 'mo', 'ms', 'mtext', 'noembed', 'noframes', 'noscript', 'plaintext', 'script',667 // <selectedcontent> mirrors the selected <option>'s subtree, cloned by668 // the UA (customizable <select>) — including any on* handlers — and the669 // engine re-mirrors synchronously whenever a removal changes which670 // option/selectedcontent is current, even inside DOMPurify's inert671 // DOMParser document. Hoisting its children on removal re-inserts a fresh672 // mirror target ahead of the walk, which the engine refills, looping673 // forever (DoS) and amplifying output. Dropping its content on removal674 // (rather than hoisting) breaks that cascade; the content is a duplicate675 // of the option, which is sanitized on its own. See campaign-3 F1/F6.676 'selectedcontent', 'style', 'svg', 'template', 'thead', 'title', 'video', 'xmp']);677 /* Tags that are safe for data: URIs */678 let DATA_URI_TAGS = null;679 const DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);680 /* Attributes safe for values like "javascript:" */681 let URI_SAFE_ATTRIBUTES = null;682 const DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']);683 const MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';684 const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';685 const HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';686 /* Document namespace */687 let NAMESPACE = HTML_NAMESPACE;688 let IS_EMPTY_INPUT = false;689 /* Allowed XHTML+XML namespaces */690 let ALLOWED_NAMESPACES = null;691 const DEFAULT_ALLOWED_NAMESPACES = addToSet({}, [MATHML_NAMESPACE, SVG_NAMESPACE, HTML_NAMESPACE], stringToString);692 const DEFAULT_MATHML_TEXT_INTEGRATION_POINTS = freeze(['mi', 'mo', 'mn', 'ms', 'mtext']);693 let MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, DEFAULT_MATHML_TEXT_INTEGRATION_POINTS);694 const DEFAULT_HTML_INTEGRATION_POINTS = freeze(['annotation-xml']);695 let HTML_INTEGRATION_POINTS = addToSet({}, DEFAULT_HTML_INTEGRATION_POINTS);696 // Certain elements are allowed in both SVG and HTML697 // namespace. We need to specify them explicitly698 // so that they don't get erroneously deleted from699 // HTML namespace.700 const COMMON_SVG_AND_HTML_ELEMENTS = addToSet({}, ['title', 'style', 'font', 'a', 'script']);701 /* Parsing of strict XHTML documents */702 let PARSER_MEDIA_TYPE = null;703 const SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];704 const DEFAULT_PARSER_MEDIA_TYPE = 'text/html';705 let transformCaseFunc = null;706 /* Keep a reference to config to pass to hooks */707 let CONFIG = null;708 /* Ideally, do not touch anything below this line */709 /* ______________________________________________ */710 const formElement = document.createElement('form');711 const isRegexOrFunction = function isRegexOrFunction(testValue) {712 return testValue instanceof RegExp || testValue instanceof Function;713 };714 /**715 * _parseConfig716 *717 * @param cfg optional config literal718 */719 // eslint-disable-next-line complexity720 const _parseConfig = function _parseConfig() {721 let cfg = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};722 if (CONFIG && CONFIG === cfg) {723 return;724 }725 /* Shield configuration object from tampering */726 if (!cfg || typeof cfg !== 'object') {727 cfg = {};728 }729 /* Shield configuration object from prototype pollution */730 cfg = clone(cfg);731 PARSER_MEDIA_TYPE =732 // eslint-disable-next-line unicorn/prefer-includes733 SUPPORTED_PARSER_MEDIA_TYPES.indexOf(cfg.PARSER_MEDIA_TYPE) === -1 ? DEFAULT_PARSER_MEDIA_TYPE : cfg.PARSER_MEDIA_TYPE;734 // HTML tags and attributes are not case-sensitive, converting to lowercase. Keeping XHTML as is.735 transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? stringToString : stringToLowerCase;736 /* Set configuration parameters */737 ALLOWED_TAGS = _resolveSetOption(cfg, 'ALLOWED_TAGS', DEFAULT_ALLOWED_TAGS, {738 transform: transformCaseFunc739 });740 ALLOWED_ATTR = _resolveSetOption(cfg, 'ALLOWED_ATTR', DEFAULT_ALLOWED_ATTR, {741 transform: transformCaseFunc742 });743 ALLOWED_NAMESPACES = _resolveSetOption(cfg, 'ALLOWED_NAMESPACES', DEFAULT_ALLOWED_NAMESPACES, {744 transform: stringToString745 });746 URI_SAFE_ATTRIBUTES = _resolveSetOption(cfg, 'ADD_URI_SAFE_ATTR', DEFAULT_URI_SAFE_ATTRIBUTES, {747 transform: transformCaseFunc,748 base: DEFAULT_URI_SAFE_ATTRIBUTES749 });750 DATA_URI_TAGS = _resolveSetOption(cfg, 'ADD_DATA_URI_TAGS', DEFAULT_DATA_URI_TAGS, {751 transform: transformCaseFunc,752 base: DEFAULT_DATA_URI_TAGS753 });754 FORBID_CONTENTS = _resolveSetOption(cfg, 'FORBID_CONTENTS', DEFAULT_FORBID_CONTENTS, {755 transform: transformCaseFunc756 });757 FORBID_TAGS = _resolveSetOption(cfg, 'FORBID_TAGS', clone({}), {758 transform: transformCaseFunc759 });760 FORBID_ATTR = _resolveSetOption(cfg, 'FORBID_ATTR', clone({}), {761 transform: transformCaseFunc762 });763 USE_PROFILES = objectHasOwnProperty(cfg, 'USE_PROFILES') ? cfg.USE_PROFILES && typeof cfg.USE_PROFILES === 'object' ? clone(cfg.USE_PROFILES) : cfg.USE_PROFILES : false;764 ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true765 ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true766 ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false767 ALLOW_SELF_CLOSE_IN_ATTR = cfg.ALLOW_SELF_CLOSE_IN_ATTR !== false; // Default true768 SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false769 SAFE_FOR_XML = cfg.SAFE_FOR_XML !== false; // Default true770 WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false771 RETURN_DOM = cfg.RETURN_DOM || false; // Default false772 RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false773 RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false; // Default false774 FORCE_BODY = cfg.FORCE_BODY || false; // Default false775 SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true776 SANITIZE_NAMED_PROPS = cfg.SANITIZE_NAMED_PROPS || false; // Default false777 KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true778 IN_PLACE = cfg.IN_PLACE || false; // Default false779 IS_ALLOWED_URI$1 = isRegex(cfg.ALLOWED_URI_REGEXP) ? cfg.ALLOWED_URI_REGEXP : IS_ALLOWED_URI; // Default regexp780 NAMESPACE = typeof cfg.NAMESPACE === 'string' ? cfg.NAMESPACE : HTML_NAMESPACE; // Default HTML namespace781 MATHML_TEXT_INTEGRATION_POINTS = objectHasOwnProperty(cfg, 'MATHML_TEXT_INTEGRATION_POINTS') && cfg.MATHML_TEXT_INTEGRATION_POINTS && typeof cfg.MATHML_TEXT_INTEGRATION_POINTS === 'object' ? clone(cfg.MATHML_TEXT_INTEGRATION_POINTS) : addToSet({}, DEFAULT_MATHML_TEXT_INTEGRATION_POINTS); // Default built-in map782 HTML_INTEGRATION_POINTS = objectHasOwnProperty(cfg, 'HTML_INTEGRATION_POINTS') && cfg.HTML_INTEGRATION_POINTS && typeof cfg.HTML_INTEGRATION_POINTS === 'object' ? clone(cfg.HTML_INTEGRATION_POINTS) : addToSet({}, DEFAULT_HTML_INTEGRATION_POINTS); // Default built-in map783 const customElementHandling = objectHasOwnProperty(cfg, 'CUSTOM_ELEMENT_HANDLING') && cfg.CUSTOM_ELEMENT_HANDLING && typeof cfg.CUSTOM_ELEMENT_HANDLING === 'object' ? clone(cfg.CUSTOM_ELEMENT_HANDLING) : create(null);784 CUSTOM_ELEMENT_HANDLING = create(null);785 if (objectHasOwnProperty(customElementHandling, 'tagNameCheck') && isRegexOrFunction(customElementHandling.tagNameCheck)) {786 CUSTOM_ELEMENT_HANDLING.tagNameCheck = customElementHandling.tagNameCheck; // Default undefined787 }788 if (objectHasOwnProperty(customElementHandling, 'attributeNameCheck') && isRegexOrFunction(customElementHandling.attributeNameCheck)) {789 CUSTOM_ELEMENT_HANDLING.attributeNameCheck = customElementHandling.attributeNameCheck; // Default undefined790 }791 if (objectHasOwnProperty(customElementHandling, 'allowCustomizedBuiltInElements') && typeof customElementHandling.allowCustomizedBuiltInElements === 'boolean') {792 CUSTOM_ELEMENT_HANDLING.allowCustomizedBuiltInElements = customElementHandling.allowCustomizedBuiltInElements; // Default undefined793 }794 seal(CUSTOM_ELEMENT_HANDLING);795 if (SAFE_FOR_TEMPLATES) {796 ALLOW_DATA_ATTR = false;797 }798 if (RETURN_DOM_FRAGMENT) {799 RETURN_DOM = true;800 }801 /* Parse profile info */802 if (USE_PROFILES) {803 ALLOWED_TAGS = addToSet({}, text);804 ALLOWED_ATTR = create(null);805 if (USE_PROFILES.html === true) {806 addToSet(ALLOWED_TAGS, html$1);807 addToSet(ALLOWED_ATTR, html);808 }809 if (USE_PROFILES.svg === true) {810 addToSet(ALLOWED_TAGS, svg$1);811 addToSet(ALLOWED_ATTR, svg);812 addToSet(ALLOWED_ATTR, xml);813 }814 if (USE_PROFILES.svgFilters === true) {815 addToSet(ALLOWED_TAGS, svgFilters);816 addToSet(ALLOWED_ATTR, svg);817 addToSet(ALLOWED_ATTR, xml);818 }819 if (USE_PROFILES.mathMl === true) {820 addToSet(ALLOWED_TAGS, mathMl$1);821 addToSet(ALLOWED_ATTR, mathMl);822 addToSet(ALLOWED_ATTR, xml);823 }824 }825 /* Always reset function-based ADD_TAGS / ADD_ATTR checks to prevent826 * leaking across calls when switching from function to array config */827 EXTRA_ELEMENT_HANDLING.tagCheck = null;828 EXTRA_ELEMENT_HANDLING.attributeCheck = null;829 /* Merge configuration parameters */830 if (objectHasOwnProperty(cfg, 'ADD_TAGS')) {831 if (typeof cfg.ADD_TAGS === 'function') {832 EXTRA_ELEMENT_HANDLING.tagCheck = cfg.ADD_TAGS;833 } else if (arrayIsArray(cfg.ADD_TAGS)) {834 if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {835 ALLOWED_TAGS = clone(ALLOWED_TAGS);836 }837 addToSet(ALLOWED_TAGS, cfg.ADD_TAGS, transformCaseFunc);838 }839 }840 if (objectHasOwnProperty(cfg, 'ADD_ATTR')) {841 if (typeof cfg.ADD_ATTR === 'function') {842 EXTRA_ELEMENT_HANDLING.attributeCheck = cfg.ADD_ATTR;843 } else if (arrayIsArray(cfg.ADD_ATTR)) {844 if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {845 ALLOWED_ATTR = clone(ALLOWED_ATTR);846 }847 addToSet(ALLOWED_ATTR, cfg.ADD_ATTR, transformCaseFunc);848 }849 }850 if (objectHasOwnProperty(cfg, 'ADD_URI_SAFE_ATTR') && arrayIsArray(cfg.ADD_URI_SAFE_ATTR)) {851 addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR, transformCaseFunc);852 }853 if (objectHasOwnProperty(cfg, 'FORBID_CONTENTS') && arrayIsArray(cfg.FORBID_CONTENTS)) {854 if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {855 FORBID_CONTENTS = clone(FORBID_CONTENTS);856 }857 addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS, transformCaseFunc);858 }859 if (objectHasOwnProperty(cfg, 'ADD_FORBID_CONTENTS') && arrayIsArray(cfg.ADD_FORBID_CONTENTS)) {860 if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {861 FORBID_CONTENTS = clone(FORBID_CONTENTS);862 }863 addToSet(FORBID_CONTENTS, cfg.ADD_FORBID_CONTENTS, transformCaseFunc);864 }865 /* Add #text in case KEEP_CONTENT is set to true */866 if (KEEP_CONTENT) {867 ALLOWED_TAGS['#text'] = true;868 }869 /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */870 if (WHOLE_DOCUMENT) {871 addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);872 }873 /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286, #365 */874 if (ALLOWED_TAGS.table) {875 addToSet(ALLOWED_TAGS, ['tbody']);876 delete FORBID_TAGS.tbody;877 }878 // Re-derive the active Trusted Types policy from this configuration on879 // every parse. The active policy must never be sticky closure state that880 // outlives the config that set it: a caller-supplied policy left in place881 // after `clearConfig()` — or after a later call that supplied none, or882 // `TRUSTED_TYPES_POLICY: null` — could sign a subsequent "default"883 // `RETURN_TRUSTED_TYPE` result with a foreign, possibly unsafe policy.884 // See GHSA-vxr8-fq34-vvx9.885 if (cfg.TRUSTED_TYPES_POLICY) {886 if (typeof cfg.TRUSTED_TYPES_POLICY.createHTML !== 'function') {887 throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createHTML" hook.');888 }889 if (typeof cfg.TRUSTED_TYPES_POLICY.createScriptURL !== 'function') {890 throw typeErrorCreate('TRUSTED_TYPES_POLICY configuration option must provide a "createScriptURL" hook.');891 }892 // A caller-supplied policy applies to this configuration only.893 const previousTrustedTypesPolicy = trustedTypesPolicy;894 trustedTypesPolicy = cfg.TRUSTED_TYPES_POLICY;895 // Sign local variables required by `sanitize`. If the supplied policy's896 // `createHTML` is circular (i.e. it calls `DOMPurify.sanitize`), this897 // throws via the re-entrancy guard. Restore the previous policy first so898 // the instance is not left in a poisoned state. See #1422.899 try {900 emptyHTML = _createTrustedHTML('');901 } catch (error) {902 trustedTypesPolicy = previousTrustedTypesPolicy;903 throw error;904 }905 } else if (cfg.TRUSTED_TYPES_POLICY === null) {906 // Explicit opt-out for this call: perform no Trusted Types signing and907 // create nothing (so a strict `trusted-types` CSP that disallows a908 // `dompurify` policy can still call `sanitize` from inside its own909 // policy — see #1422). Resetting to `undefined` rather than a sticky910 // `null` also drops any previously retained caller policy, so it cannot911 // resurface on a later call, while still allowing the next config-less912 // call to restore the internal default policy. See GHSA-vxr8-fq34-vvx9.913 trustedTypesPolicy = undefined;914 emptyHTML = '';915 } else {916 // No policy supplied: keep the currently active policy if one is set — a917 // previously supplied policy is intentionally sticky across config-less918 // calls — otherwise fall back to the instance's own internal policy,919 // created at most once. (A policy supplied for a *single* call still920 // lingers by design; what must not linger is a policy whose configuration921 // has been torn down via `clearConfig()`, which restores the default.)922 if (trustedTypesPolicy === undefined) {923 trustedTypesPolicy = _getDefaultTrustedTypesPolicy();924 }925 // Sign internal variables only when a policy is active. A falsy policy926 // (Trusted Types unsupported, creation failed, or an explicit opt-out)927 // leaves `emptyHTML` as a plain string, so we never call `.createHTML` on928 // a non-policy and throw. See #1422.929 if (trustedTypesPolicy && typeof emptyHTML === 'string') {930 emptyHTML = _createTrustedHTML('');931 }932 }933 // Prevent further manipulation of configuration.934 // Not available in IE8, Safari 5, etc.935 if (freeze) {936 freeze(cfg);937 }938 CONFIG = cfg;939 };940 /* Keep track of all possible SVG and MathML tags941 * so that we can perform the namespace checks942 * correctly. */943 const ALL_SVG_TAGS = addToSet({}, [...svg$1, ...svgFilters, ...svgDisallowed]);944 const ALL_MATHML_TAGS = addToSet({}, [...mathMl$1, ...mathMlDisallowed]);945 /**946 * Namespace rules for an element in the SVG namespace.947 *948 * @param tagName the element's lowercase tag name949 * @param parent the (possibly simulated) parent node950 * @param parentTagName the parent's lowercase tag name951 * @returns true if a spec-compliant parser could produce this element952 */953 const _checkSvgNamespace = function _checkSvgNamespace(tagName, parent, parentTagName) {954 // The only way to switch from HTML namespace to SVG955 // is via <svg>. If it happens via any other tag, then956 // it should be killed.957 if (parent.namespaceURI === HTML_NAMESPACE) {958 return tagName === 'svg';959 }960 // The only way to switch from MathML to SVG is via <svg>961 // if the parent is either <annotation-xml> or a MathML962 // text integration point.963 if (parent.namespaceURI === MATHML_NAMESPACE) {964 return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);965 }966 // We only allow elements that are defined in SVG967 // spec. All others are disallowed in SVG namespace.968 return Boolean(ALL_SVG_TAGS[tagName]);969 };970 /**971 * Namespace rules for an element in the MathML namespace.972 *973 * @param tagName the element's lowercase tag name974 * @param parent the (possibly simulated) parent node975 * @param parentTagName the parent's lowercase tag name976 * @returns true if a spec-compliant parser could produce this element977 */978 const _checkMathMlNamespace = function _checkMathMlNamespace(tagName, parent, parentTagName) {979 // The only way to switch from HTML namespace to MathML980 // is via <math>. If it happens via any other tag, then981 // it should be killed.982 if (parent.namespaceURI === HTML_NAMESPACE) {983 return tagName === 'math';984 }985 // The only way to switch from SVG to MathML is via986 // <math> and HTML integration points987 if (parent.namespaceURI === SVG_NAMESPACE) {988 return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];989 }990 // We only allow elements that are defined in MathML991 // spec. All others are disallowed in MathML namespace.992 return Boolean(ALL_MATHML_TAGS[tagName]);993 };994 /**995 * Namespace rules for an element in the HTML namespace.996 *997 * @param tagName the element's lowercase tag name998 * @param parent the (possibly simulated) parent node999 * @param parentTagName the parent's lowercase tag name1000 * @returns true if a spec-compliant parser could produce this element1001 */1002 const _checkHtmlNamespace = function _checkHtmlNamespace(tagName, parent, parentTagName) {1003 // The only way to switch from SVG to HTML is via1004 // HTML integration points, and from MathML to HTML1005 // is via MathML text integration points1006 if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) {1007 return false;1008 }1009 if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) {1010 return false;1011 }1012 // We disallow tags that are specific for MathML1013 // or SVG and should never appear in HTML namespace1014 return !ALL_MATHML_TAGS[tagName] && (COMMON_SVG_AND_HTML_ELEMENTS[tagName] || !ALL_SVG_TAGS[tagName]);1015 };1016 /**1017 * @param element a DOM element whose namespace is being checked1018 * @returns Return false if the element has a1019 * namespace that a spec-compliant parser would never1020 * return. Return true otherwise.1021 */1022 const _checkValidNamespace = function _checkValidNamespace(element) {1023 let parent = getParentNode(element);1024 // In JSDOM, if we're inside shadow DOM, then parentNode1025 // can be null. We just simulate parent in this case.1026 if (!parent || !parent.tagName) {1027 parent = {1028 namespaceURI: NAMESPACE,1029 tagName: 'template'1030 };1031 }1032 const tagName = stringToLowerCase(element.tagName);1033 const parentTagName = stringToLowerCase(parent.tagName);1034 if (!ALLOWED_NAMESPACES[element.namespaceURI]) {1035 return false;1036 }1037 if (element.namespaceURI === SVG_NAMESPACE) {1038 return _checkSvgNamespace(tagName, parent, parentTagName);1039 }1040 if (element.namespaceURI === MATHML_NAMESPACE) {1041 return _checkMathMlNamespace(tagName, parent, parentTagName);1042 }1043 if (element.namespaceURI === HTML_NAMESPACE) {1044 return _checkHtmlNamespace(tagName, parent, parentTagName);1045 }1046 // For XHTML and XML documents that support custom namespaces1047 if (PARSER_MEDIA_TYPE === 'application/xhtml+xml' && ALLOWED_NAMESPACES[element.namespaceURI]) {1048 return true;1049 }1050 // The code should never reach this place (this means1051 // that the element somehow got namespace that is not1052 // HTML, SVG, MathML or allowed via ALLOWED_NAMESPACES).1053 // Return false just in case.1054 return false;1055 };1056 /**1057 * _forceRemove1058 *1059 * @param node a DOM node1060 */1061 const _forceRemove = function _forceRemove(node) {1062 arrayPush(DOMPurify.removed, {1063 element: node1064 });1065 try {1066 // eslint-disable-next-line unicorn/prefer-dom-node-remove1067 getParentNode(node).removeChild(node);1068 } catch (_) {1069 /* The normal detach failed — this is reached for a parentless node1070 (getParentNode() is null, so .removeChild throws). Element.prototype1071 .remove() is itself a spec no-op on a parentless node, so a recorded1072 "removal" would otherwise hand the caller back an intact,1073 payload-bearing node (e.g. a detached IN_PLACE root the mXSS canary or1074 the style-with-element-child rule decided to kill). Fail closed by1075 throwing — exactly as a clobbered root does at the IN_PLACE entry —1076 rather than trying to "neutralize" the node via its own methods.1077 Neutralizing would mean calling getAttributeNames()/removeAttribute()1078 on the node, both of which a <form> root can clobber via a named child1079 (and _isClobbered does not even probe getAttributeNames), so the1080 neutralize step could itself be silently defeated, leaving the payload1081 intact. A throw touches only the cached, clobber-safe remove() and1082 getParentNode(). Generalizes GHSA-r47g-fvhr-h676 (clobbered-form root)1083 to every root-kill reason. REPORT-3.1084 This lives inside the catch, so it never fires for a normally-removed1085 in-tree node: those have a parent, removeChild() succeeds, and the1086 catch is not entered. Only a kept (parentless) root reaches here. */1087 remove(node);1088 if (!getParentNode(node)) {1089 throw typeErrorCreate('a node selected for removal could not be detached from its tree ' + 'and cannot be safely returned; refusing to sanitize in place');1090 }1091 }1092 };1093 /**1094 * _neutralizeRoot1095 *1096 * Fail-closed teardown of an in-place root after the sanitize walk aborts1097 * (campaign-3 F2). An internal throw mid-walk — e.g. a page-registered1098 * custom element's reaction detaches a node so `_forceRemove`'s deliberate1099 * parentless guard throws, or any other re-entrant engine mutation — would1100 * otherwise leave the caller's *live* tree half-sanitized, with everything1101 * after the abort point still carrying its handlers. There is no safe way1102 * to resume the walk (the tree mutated under us), so we strip the root bare:1103 * remove every child and every attribute, then let the caller's catch see1104 * the original error. Clobber-safe (cached `remove`/`childNodes`/`attributes`1105 * getters; the root was already clobber-pre-flighted at the IN_PLACE entry).1106 *1107 * @param root the in-place root to empty1108 */1109 const _neutralizeRoot = function _neutralizeRoot(root) {1110 /* Strip every disallowed attribute (on* handlers included) off the whole1111 subtree BEFORE detaching anything. Detaching first would hand back1112 handler-bearing originals (e.g. an already-loading `<img onerror>`)1113 whose queued resource event still fires in page scope after we throw.1114 Clobber-safe reads; a doomed clobbered node's own attributes are1115 irrelevant while its non-clobbered descendants are reached and scrubbed. */1116 _neutralizeSubtree(root);1117 const childNodes = getChildNodes(root);1118 if (childNodes) {1119 const snapshot = [];1120 arrayForEach(childNodes, child => {1121 arrayPush(snapshot, child);1122 });1123 arrayForEach(snapshot, child => {1124 try {1125 remove(child);1126 } catch (_) {1127 /* Best-effort teardown; a still-attached child is handled below */1128 }1129 });1130 }1131 const attributes = getAttributes(root);1132 if (attributes) {1133 for (let i = attributes.length - 1; i >= 0; --i) {1134 const attribute = attributes[i];1135 const name = attribute && attribute.name;1136 if (typeof name === 'string') {1137 try {1138 root.removeAttribute(name);1139 } catch (_) {1140 /* Clobbered removeAttribute — ignore (fail-closed best effort) */1141 }1142 }1143 }1144 }1145 };1146 /**1147 * _removeAttribute1148 *1149 * @param name an Attribute name1150 * @param element a DOM node1151 */1152 const _removeAttribute = function _removeAttribute(name, element) {1153 try {1154 arrayPush(DOMPurify.removed, {1155 attribute: element.getAttributeNode(name),1156 from: element1157 });1158 } catch (_) {1159 arrayPush(DOMPurify.removed, {1160 attribute: null,1161 from: element1162 });1163 }1164 element.removeAttribute(name);1165 // We void attribute values for unremovable "is" attributes1166 if (name === 'is') {1167 if (RETURN_DOM || RETURN_DOM_FRAGMENT) {1168 try {1169 _forceRemove(element);1170 } catch (_) {}1171 } else {1172 try {1173 element.setAttribute(name, '');1174 } catch (_) {}1175 }1176 }1177 };1178 /**1179 * _stripDisallowedAttributes1180 *1181 * Removes every attribute the active configuration does not allow from a1182 * single element, using the same allowlist as the main attribute pass (so1183 * `on*` handlers go, but no `/^on/` blocklist is introduced). Used only to1184 * neutralise nodes that are being discarded from an in-place tree.1185 *1186 * @param element the element to strip1187 */1188 const _stripDisallowedAttributes = function _stripDisallowedAttributes(element) {1189 const attributes = getAttributes(element);1190 if (!attributes) {1191 return;1192 }1193 for (let i = attributes.length - 1; i >= 0; --i) {1194 const attribute = attributes[i];1195 const name = attribute && attribute.name;1196 if (typeof name !== 'string' || ALLOWED_ATTR[transformCaseFunc(name)]) {1197 continue;1198 }1199 try {1200 element.removeAttribute(name);