1 |
|
2 |
|
3 | (function (global, factory) {
|
4 | typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
|
5 | typeof define === 'function' && define.amd ? define(factory) :
|
6 | (global = global || self, global.DOMPurify = factory());
|
7 | }(this, function () { 'use strict';
|
8 |
|
9 | function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
|
10 |
|
11 | var hasOwnProperty = Object.hasOwnProperty,
|
12 | setPrototypeOf = Object.setPrototypeOf,
|
13 | isFrozen = Object.isFrozen,
|
14 | getPrototypeOf = Object.getPrototypeOf,
|
15 | getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
|
16 | var freeze = Object.freeze,
|
17 | seal = Object.seal,
|
18 | create = Object.create;
|
19 |
|
20 | var _ref = typeof Reflect !== 'undefined' && Reflect,
|
21 | apply = _ref.apply,
|
22 | construct = _ref.construct;
|
23 |
|
24 | if (!apply) {
|
25 | apply = function apply(fun, thisValue, args) {
|
26 | return fun.apply(thisValue, args);
|
27 | };
|
28 | }
|
29 |
|
30 | if (!freeze) {
|
31 | freeze = function freeze(x) {
|
32 | return x;
|
33 | };
|
34 | }
|
35 |
|
36 | if (!seal) {
|
37 | seal = function seal(x) {
|
38 | return x;
|
39 | };
|
40 | }
|
41 |
|
42 | if (!construct) {
|
43 | construct = function construct(Func, args) {
|
44 | return new (Function.prototype.bind.apply(Func, [null].concat(_toConsumableArray(args))))();
|
45 | };
|
46 | }
|
47 |
|
48 | var arrayForEach = unapply(Array.prototype.forEach);
|
49 | var arrayPop = unapply(Array.prototype.pop);
|
50 | var arrayPush = unapply(Array.prototype.push);
|
51 |
|
52 | var stringToLowerCase = unapply(String.prototype.toLowerCase);
|
53 | var stringMatch = unapply(String.prototype.match);
|
54 | var stringReplace = unapply(String.prototype.replace);
|
55 | var stringIndexOf = unapply(String.prototype.indexOf);
|
56 | var stringTrim = unapply(String.prototype.trim);
|
57 |
|
58 | var regExpTest = unapply(RegExp.prototype.test);
|
59 |
|
60 | var typeErrorCreate = unconstruct(TypeError);
|
61 |
|
62 | function unapply(func) {
|
63 | return function (thisArg) {
|
64 | for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
65 | args[_key - 1] = arguments[_key];
|
66 | }
|
67 |
|
68 | return apply(func, thisArg, args);
|
69 | };
|
70 | }
|
71 |
|
72 | function unconstruct(func) {
|
73 | return function () {
|
74 | for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
75 | args[_key2] = arguments[_key2];
|
76 | }
|
77 |
|
78 | return construct(func, args);
|
79 | };
|
80 | }
|
81 |
|
82 |
|
83 | function addToSet(set, array) {
|
84 | if (setPrototypeOf) {
|
85 |
|
86 |
|
87 |
|
88 | setPrototypeOf(set, null);
|
89 | }
|
90 |
|
91 | var l = array.length;
|
92 | while (l--) {
|
93 | var element = array[l];
|
94 | if (typeof element === 'string') {
|
95 | var lcElement = stringToLowerCase(element);
|
96 | if (lcElement !== element) {
|
97 |
|
98 | if (!isFrozen(array)) {
|
99 | array[l] = lcElement;
|
100 | }
|
101 |
|
102 | element = lcElement;
|
103 | }
|
104 | }
|
105 |
|
106 | set[element] = true;
|
107 | }
|
108 |
|
109 | return set;
|
110 | }
|
111 |
|
112 | /* Shallow clone an object */
|
113 | function clone(object) {
|
114 | var newObject = create(null);
|
115 |
|
116 | var property = void 0;
|
117 | for (property in object) {
|
118 | if (apply(hasOwnProperty, object, [property])) {
|
119 | newObject[property] = object[property];
|
120 | }
|
121 | }
|
122 |
|
123 | return newObject;
|
124 | }
|
125 |
|
126 | |
127 |
|
128 |
|
129 |
|
130 | function lookupGetter(object, prop) {
|
131 | while (object !== null) {
|
132 | var desc = getOwnPropertyDescriptor(object, prop);
|
133 | if (desc) {
|
134 | if (desc.get) {
|
135 | return unapply(desc.get);
|
136 | }
|
137 |
|
138 | if (typeof desc.value === 'function') {
|
139 | return unapply(desc.value);
|
140 | }
|
141 | }
|
142 |
|
143 | object = getPrototypeOf(object);
|
144 | }
|
145 |
|
146 | function fallbackValue(element) {
|
147 | console.warn('fallback value for', element);
|
148 | return null;
|
149 | }
|
150 |
|
151 | return fallbackValue;
|
152 | }
|
153 |
|
154 | var html = 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']);
|
155 |
|
156 |
|
157 | var svg = 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']);
|
158 |
|
159 | var svgFilters = freeze(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence']);
|
160 |
|
161 |
|
162 |
|
163 |
|
164 |
|
165 | var svgDisallowed = freeze(['animate', 'color-profile', 'cursor', 'discard', 'fedropshadow', 'feimage', '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']);
|
166 |
|
167 | var mathMl = 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']);
|
168 |
|
169 |
|
170 |
|
171 | var mathMlDisallowed = freeze(['maction', 'maligngroup', 'malignmark', 'mlongdiv', 'mscarries', 'mscarry', 'msgroup', 'mstack', 'msline', 'msrow', 'semantics', 'annotation', 'annotation-xml', 'mprescripts', 'none']);
|
172 |
|
173 | var text = freeze(['#text']);
|
174 |
|
175 | var html$1 = 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', 'noshade', 'novalidate', 'nowrap', 'open', 'optimum', 'pattern', 'placeholder', 'playsinline', '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', 'xmlns', 'slot']);
|
176 |
|
177 | var svg$1 = freeze(['accent-height', 'accumulate', 'additive', 'alignment-baseline', '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', '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', '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', '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', 'targetx', 'targety', 'transform', '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']);
|
178 |
|
179 | var mathMl$1 = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);
|
180 |
|
181 | var xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);
|
182 |
|
183 |
|
184 | var MUSTACHE_EXPR = seal(/\{\{[\s\S]*|[\s\S]*\}\}/gm);
|
185 | var ERB_EXPR = seal(/<%[\s\S]*|[\s\S]*%>/gm);
|
186 | var DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/);
|
187 | var ARIA_ATTR = seal(/^aria-[\-\w]+$/);
|
188 | var IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i
|
189 | );
|
190 | var IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);
|
191 | var ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205F\u3000]/g
|
192 | );
|
193 |
|
194 | var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
|
195 |
|
196 | function _toConsumableArray$1(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
|
197 |
|
198 | var getGlobal = function getGlobal() {
|
199 | return typeof window === 'undefined' ? null : window;
|
200 | };
|
201 |
|
202 | |
203 |
|
204 |
|
205 |
|
206 |
|
207 |
|
208 |
|
209 |
|
210 | var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) {
|
211 | if ((typeof trustedTypes === 'undefined' ? 'undefined' : _typeof(trustedTypes)) !== 'object' || typeof trustedTypes.createPolicy !== 'function') {
|
212 | return null;
|
213 | }
|
214 |
|
215 |
|
216 |
|
217 |
|
218 | var suffix = null;
|
219 | var ATTR_NAME = 'data-tt-policy-suffix';
|
220 | if (document.currentScript && document.currentScript.hasAttribute(ATTR_NAME)) {
|
221 | suffix = document.currentScript.getAttribute(ATTR_NAME);
|
222 | }
|
223 |
|
224 | var policyName = 'dompurify' + (suffix ? '#' + suffix : '');
|
225 |
|
226 | try {
|
227 | return trustedTypes.createPolicy(policyName, {
|
228 | createHTML: function createHTML(html$$1) {
|
229 | return html$$1;
|
230 | }
|
231 | });
|
232 | } catch (_) {
|
233 |
|
234 |
|
235 |
|
236 | console.warn('TrustedTypes policy ' + policyName + ' could not be created.');
|
237 | return null;
|
238 | }
|
239 | };
|
240 |
|
241 | function createDOMPurify() {
|
242 | var window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();
|
243 |
|
244 | var DOMPurify = function DOMPurify(root) {
|
245 | return createDOMPurify(root);
|
246 | };
|
247 |
|
248 | |
249 |
|
250 |
|
251 |
|
252 | DOMPurify.version = '2.3.2';
|
253 |
|
254 | |
255 |
|
256 |
|
257 |
|
258 | DOMPurify.removed = [];
|
259 |
|
260 | if (!window || !window.document || window.document.nodeType !== 9) {
|
261 |
|
262 |
|
263 | DOMPurify.isSupported = false;
|
264 |
|
265 | return DOMPurify;
|
266 | }
|
267 |
|
268 | var originalDocument = window.document;
|
269 |
|
270 | var document = window.document;
|
271 | var DocumentFragment = window.DocumentFragment,
|
272 | HTMLTemplateElement = window.HTMLTemplateElement,
|
273 | Node = window.Node,
|
274 | Element = window.Element,
|
275 | NodeFilter = window.NodeFilter,
|
276 | _window$NamedNodeMap = window.NamedNodeMap,
|
277 | NamedNodeMap = _window$NamedNodeMap === undefined ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap,
|
278 | Text = window.Text,
|
279 | Comment = window.Comment,
|
280 | DOMParser = window.DOMParser,
|
281 | trustedTypes = window.trustedTypes;
|
282 |
|
283 |
|
284 | var ElementPrototype = Element.prototype;
|
285 |
|
286 | var cloneNode = lookupGetter(ElementPrototype, 'cloneNode');
|
287 | var getNextSibling = lookupGetter(ElementPrototype, 'nextSibling');
|
288 | var getChildNodes = lookupGetter(ElementPrototype, 'childNodes');
|
289 | var getParentNode = lookupGetter(ElementPrototype, 'parentNode');
|
290 |
|
291 |
|
292 |
|
293 |
|
294 |
|
295 |
|
296 |
|
297 | if (typeof HTMLTemplateElement === 'function') {
|
298 | var template = document.createElement('template');
|
299 | if (template.content && template.content.ownerDocument) {
|
300 | document = template.content.ownerDocument;
|
301 | }
|
302 | }
|
303 |
|
304 | var trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, originalDocument);
|
305 | var emptyHTML = trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML('') : '';
|
306 |
|
307 | var _document = document,
|
308 | implementation = _document.implementation,
|
309 | createNodeIterator = _document.createNodeIterator,
|
310 | createDocumentFragment = _document.createDocumentFragment,
|
311 | getElementsByTagName = _document.getElementsByTagName;
|
312 | var importNode = originalDocument.importNode;
|
313 |
|
314 |
|
315 | var documentMode = {};
|
316 | try {
|
317 | documentMode = clone(document).documentMode ? document.documentMode : {};
|
318 | } catch (_) {}
|
319 |
|
320 | var hooks = {};
|
321 |
|
322 | |
323 |
|
324 |
|
325 | DOMPurify.isSupported = typeof getParentNode === 'function' && implementation && typeof implementation.createHTMLDocument !== 'undefined' && documentMode !== 9;
|
326 |
|
327 | var MUSTACHE_EXPR$$1 = MUSTACHE_EXPR,
|
328 | ERB_EXPR$$1 = ERB_EXPR,
|
329 | DATA_ATTR$$1 = DATA_ATTR,
|
330 | ARIA_ATTR$$1 = ARIA_ATTR,
|
331 | IS_SCRIPT_OR_DATA$$1 = IS_SCRIPT_OR_DATA,
|
332 | ATTR_WHITESPACE$$1 = ATTR_WHITESPACE;
|
333 | var IS_ALLOWED_URI$$1 = IS_ALLOWED_URI;
|
334 |
|
335 | |
336 |
|
337 |
|
338 |
|
339 |
|
340 |
|
341 |
|
342 | var ALLOWED_TAGS = null;
|
343 | var DEFAULT_ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(html), _toConsumableArray$1(svg), _toConsumableArray$1(svgFilters), _toConsumableArray$1(mathMl), _toConsumableArray$1(text)));
|
344 |
|
345 |
|
346 | var ALLOWED_ATTR = null;
|
347 | var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray$1(html$1), _toConsumableArray$1(svg$1), _toConsumableArray$1(mathMl$1), _toConsumableArray$1(xml)));
|
348 |
|
349 |
|
350 | var FORBID_TAGS = null;
|
351 |
|
352 |
|
353 | var FORBID_ATTR = null;
|
354 |
|
355 |
|
356 | var ALLOW_ARIA_ATTR = true;
|
357 |
|
358 |
|
359 | var ALLOW_DATA_ATTR = true;
|
360 |
|
361 |
|
362 | var ALLOW_UNKNOWN_PROTOCOLS = false;
|
363 |
|
364 | |
365 |
|
366 |
|
367 | var SAFE_FOR_TEMPLATES = false;
|
368 |
|
369 |
|
370 | var WHOLE_DOCUMENT = false;
|
371 |
|
372 |
|
373 | var SET_CONFIG = false;
|
374 |
|
375 | |
376 |
|
377 | var FORCE_BODY = false;
|
378 |
|
379 | |
380 |
|
381 |
|
382 |
|
383 | var RETURN_DOM = false;
|
384 |
|
385 | |
386 |
|
387 | var RETURN_DOM_FRAGMENT = false;
|
388 |
|
389 | |
390 |
|
391 |
|
392 |
|
393 |
|
394 |
|
395 |
|
396 |
|
397 |
|
398 | var RETURN_DOM_IMPORT = true;
|
399 |
|
400 | |
401 |
|
402 | var RETURN_TRUSTED_TYPE = false;
|
403 |
|
404 |
|
405 | var SANITIZE_DOM = true;
|
406 |
|
407 |
|
408 | var KEEP_CONTENT = true;
|
409 |
|
410 | |
411 |
|
412 | var IN_PLACE = false;
|
413 |
|
414 |
|
415 | var USE_PROFILES = {};
|
416 |
|
417 |
|
418 | var FORBID_CONTENTS = null;
|
419 | var 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']);
|
420 |
|
421 |
|
422 | var DATA_URI_TAGS = null;
|
423 | var DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);
|
424 |
|
425 |
|
426 | var URI_SAFE_ATTRIBUTES = null;
|
427 | var DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'role', 'summary', 'title', 'value', 'style', 'xmlns']);
|
428 |
|
429 | var MATHML_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
|
430 | var SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
|
431 | var HTML_NAMESPACE = 'http://www.w3.org/1999/xhtml';
|
432 |
|
433 | var NAMESPACE = HTML_NAMESPACE;
|
434 | var IS_EMPTY_INPUT = false;
|
435 |
|
436 |
|
437 | var PARSER_MEDIA_TYPE = void 0;
|
438 | var SUPPORTED_PARSER_MEDIA_TYPES = ['application/xhtml+xml', 'text/html'];
|
439 | var DEFAULT_PARSER_MEDIA_TYPE = 'text/html';
|
440 | var transformCaseFunc = void 0;
|
441 |
|
442 |
|
443 | var CONFIG = null;
|
444 |
|
445 |
|
446 |
|
447 |
|
448 | var formElement = document.createElement('form');
|
449 |
|
450 | |
451 |
|
452 |
|
453 |
|
454 |
|
455 |
|
456 | var _parseConfig = function _parseConfig(cfg) {
|
457 | if (CONFIG && CONFIG === cfg) {
|
458 | return;
|
459 | }
|
460 |
|
461 |
|
462 | if (!cfg || (typeof cfg === 'undefined' ? 'undefined' : _typeof(cfg)) !== 'object') {
|
463 | cfg = {};
|
464 | }
|
465 |
|
466 |
|
467 | cfg = clone(cfg);
|
468 |
|
469 |
|
470 | ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS) : DEFAULT_ALLOWED_TAGS;
|
471 | ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR) : DEFAULT_ALLOWED_ATTR;
|
472 | URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), cfg.ADD_URI_SAFE_ATTR) : DEFAULT_URI_SAFE_ATTRIBUTES;
|
473 | DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), cfg.ADD_DATA_URI_TAGS) : DEFAULT_DATA_URI_TAGS;
|
474 | FORBID_CONTENTS = 'FORBID_CONTENTS' in cfg ? addToSet({}, cfg.FORBID_CONTENTS) : DEFAULT_FORBID_CONTENTS;
|
475 | FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {};
|
476 | FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {};
|
477 | USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;
|
478 | ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false;
|
479 | ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false;
|
480 | ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false;
|
481 | SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false;
|
482 | WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false;
|
483 | RETURN_DOM = cfg.RETURN_DOM || false;
|
484 | RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false;
|
485 | RETURN_DOM_IMPORT = cfg.RETURN_DOM_IMPORT !== false;
|
486 | RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false;
|
487 | FORCE_BODY = cfg.FORCE_BODY || false;
|
488 | SANITIZE_DOM = cfg.SANITIZE_DOM !== false;
|
489 | KEEP_CONTENT = cfg.KEEP_CONTENT !== false;
|
490 | IN_PLACE = cfg.IN_PLACE || false;
|
491 | IS_ALLOWED_URI$$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI$$1;
|
492 | NAMESPACE = cfg.NAMESPACE || HTML_NAMESPACE;
|
493 | PARSER_MEDIA_TYPE = cfg.PARSER_MEDIA_TYPE in SUPPORTED_PARSER_MEDIA_TYPES ? cfg.PARSER_MEDIA_TYPE : DEFAULT_PARSER_MEDIA_TYPE;
|
494 |
|
495 | transformCaseFunc = PARSER_MEDIA_TYPE === 'application/xhtml+xml' ? function (x) {
|
496 | return x;
|
497 | } : stringToLowerCase;
|
498 |
|
499 | if (SAFE_FOR_TEMPLATES) {
|
500 | ALLOW_DATA_ATTR = false;
|
501 | }
|
502 |
|
503 | if (RETURN_DOM_FRAGMENT) {
|
504 | RETURN_DOM = true;
|
505 | }
|
506 |
|
507 |
|
508 | if (USE_PROFILES) {
|
509 | ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(text)));
|
510 | ALLOWED_ATTR = [];
|
511 | if (USE_PROFILES.html === true) {
|
512 | addToSet(ALLOWED_TAGS, html);
|
513 | addToSet(ALLOWED_ATTR, html$1);
|
514 | }
|
515 |
|
516 | if (USE_PROFILES.svg === true) {
|
517 | addToSet(ALLOWED_TAGS, svg);
|
518 | addToSet(ALLOWED_ATTR, svg$1);
|
519 | addToSet(ALLOWED_ATTR, xml);
|
520 | }
|
521 |
|
522 | if (USE_PROFILES.svgFilters === true) {
|
523 | addToSet(ALLOWED_TAGS, svgFilters);
|
524 | addToSet(ALLOWED_ATTR, svg$1);
|
525 | addToSet(ALLOWED_ATTR, xml);
|
526 | }
|
527 |
|
528 | if (USE_PROFILES.mathMl === true) {
|
529 | addToSet(ALLOWED_TAGS, mathMl);
|
530 | addToSet(ALLOWED_ATTR, mathMl$1);
|
531 | addToSet(ALLOWED_ATTR, xml);
|
532 | }
|
533 | }
|
534 |
|
535 |
|
536 | if (cfg.ADD_TAGS) {
|
537 | if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {
|
538 | ALLOWED_TAGS = clone(ALLOWED_TAGS);
|
539 | }
|
540 |
|
541 | addToSet(ALLOWED_TAGS, cfg.ADD_TAGS);
|
542 | }
|
543 |
|
544 | if (cfg.ADD_ATTR) {
|
545 | if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {
|
546 | ALLOWED_ATTR = clone(ALLOWED_ATTR);
|
547 | }
|
548 |
|
549 | addToSet(ALLOWED_ATTR, cfg.ADD_ATTR);
|
550 | }
|
551 |
|
552 | if (cfg.ADD_URI_SAFE_ATTR) {
|
553 | addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR);
|
554 | }
|
555 |
|
556 | if (cfg.FORBID_CONTENTS) {
|
557 | if (FORBID_CONTENTS === DEFAULT_FORBID_CONTENTS) {
|
558 | FORBID_CONTENTS = clone(FORBID_CONTENTS);
|
559 | }
|
560 |
|
561 | addToSet(FORBID_CONTENTS, cfg.FORBID_CONTENTS);
|
562 | }
|
563 |
|
564 |
|
565 | if (KEEP_CONTENT) {
|
566 | ALLOWED_TAGS['#text'] = true;
|
567 | }
|
568 |
|
569 |
|
570 | if (WHOLE_DOCUMENT) {
|
571 | addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);
|
572 | }
|
573 |
|
574 |
|
575 | if (ALLOWED_TAGS.table) {
|
576 | addToSet(ALLOWED_TAGS, ['tbody']);
|
577 | delete FORBID_TAGS.tbody;
|
578 | }
|
579 |
|
580 |
|
581 |
|
582 | if (freeze) {
|
583 | freeze(cfg);
|
584 | }
|
585 |
|
586 | CONFIG = cfg;
|
587 | };
|
588 |
|
589 | var MATHML_TEXT_INTEGRATION_POINTS = addToSet({}, ['mi', 'mo', 'mn', 'ms', 'mtext']);
|
590 |
|
591 | var HTML_INTEGRATION_POINTS = addToSet({}, ['foreignobject', 'desc', 'title', 'annotation-xml']);
|
592 |
|
593 | |
594 |
|
595 |
|
596 | var ALL_SVG_TAGS = addToSet({}, svg);
|
597 | addToSet(ALL_SVG_TAGS, svgFilters);
|
598 | addToSet(ALL_SVG_TAGS, svgDisallowed);
|
599 |
|
600 | var ALL_MATHML_TAGS = addToSet({}, mathMl);
|
601 | addToSet(ALL_MATHML_TAGS, mathMlDisallowed);
|
602 |
|
603 | |
604 |
|
605 |
|
606 |
|
607 |
|
608 |
|
609 |
|
610 |
|
611 | var _checkValidNamespace = function _checkValidNamespace(element) {
|
612 | var parent = getParentNode(element);
|
613 |
|
614 |
|
615 |
|
616 | if (!parent || !parent.tagName) {
|
617 | parent = {
|
618 | namespaceURI: HTML_NAMESPACE,
|
619 | tagName: 'template'
|
620 | };
|
621 | }
|
622 |
|
623 | var tagName = stringToLowerCase(element.tagName);
|
624 | var parentTagName = stringToLowerCase(parent.tagName);
|
625 |
|
626 | if (element.namespaceURI === SVG_NAMESPACE) {
|
627 |
|
628 |
|
629 |
|
630 | if (parent.namespaceURI === HTML_NAMESPACE) {
|
631 | return tagName === 'svg';
|
632 | }
|
633 |
|
634 |
|
635 |
|
636 |
|
637 | if (parent.namespaceURI === MATHML_NAMESPACE) {
|
638 | return tagName === 'svg' && (parentTagName === 'annotation-xml' || MATHML_TEXT_INTEGRATION_POINTS[parentTagName]);
|
639 | }
|
640 |
|
641 |
|
642 |
|
643 | return Boolean(ALL_SVG_TAGS[tagName]);
|
644 | }
|
645 |
|
646 | if (element.namespaceURI === MATHML_NAMESPACE) {
|
647 |
|
648 |
|
649 |
|
650 | if (parent.namespaceURI === HTML_NAMESPACE) {
|
651 | return tagName === 'math';
|
652 | }
|
653 |
|
654 |
|
655 |
|
656 | if (parent.namespaceURI === SVG_NAMESPACE) {
|
657 | return tagName === 'math' && HTML_INTEGRATION_POINTS[parentTagName];
|
658 | }
|
659 |
|
660 |
|
661 |
|
662 | return Boolean(ALL_MATHML_TAGS[tagName]);
|
663 | }
|
664 |
|
665 | if (element.namespaceURI === HTML_NAMESPACE) {
|
666 |
|
667 |
|
668 |
|
669 | if (parent.namespaceURI === SVG_NAMESPACE && !HTML_INTEGRATION_POINTS[parentTagName]) {
|
670 | return false;
|
671 | }
|
672 |
|
673 | if (parent.namespaceURI === MATHML_NAMESPACE && !MATHML_TEXT_INTEGRATION_POINTS[parentTagName]) {
|
674 | return false;
|
675 | }
|
676 |
|
677 |
|
678 |
|
679 |
|
680 |
|
681 | var commonSvgAndHTMLElements = addToSet({}, ['title', 'style', 'font', 'a', 'script']);
|
682 |
|
683 |
|
684 |
|
685 | return !ALL_MATHML_TAGS[tagName] && (commonSvgAndHTMLElements[tagName] || !ALL_SVG_TAGS[tagName]);
|
686 | }
|
687 |
|
688 |
|
689 |
|
690 |
|
691 | return false;
|
692 | };
|
693 |
|
694 | |
695 |
|
696 |
|
697 |
|
698 |
|
699 | var _forceRemove = function _forceRemove(node) {
|
700 | arrayPush(DOMPurify.removed, { element: node });
|
701 | try {
|
702 |
|
703 | node.parentNode.removeChild(node);
|
704 | } catch (_) {
|
705 | try {
|
706 | node.outerHTML = emptyHTML;
|
707 | } catch (_) {
|
708 | node.remove();
|
709 | }
|
710 | }
|
711 | };
|
712 |
|
713 | |
714 |
|
715 |
|
716 |
|
717 |
|
718 |
|
719 | var _removeAttribute = function _removeAttribute(name, node) {
|
720 | try {
|
721 | arrayPush(DOMPurify.removed, {
|
722 | attribute: node.getAttributeNode(name),
|
723 | from: node
|
724 | });
|
725 | } catch (_) {
|
726 | arrayPush(DOMPurify.removed, {
|
727 | attribute: null,
|
728 | from: node
|
729 | });
|
730 | }
|
731 |
|
732 | node.removeAttribute(name);
|
733 |
|
734 |
|
735 | if (name === 'is' && !ALLOWED_ATTR[name]) {
|
736 | if (RETURN_DOM || RETURN_DOM_FRAGMENT) {
|
737 | try {
|
738 | _forceRemove(node);
|
739 | } catch (_) {}
|
740 | } else {
|
741 | try {
|
742 | node.setAttribute(name, '');
|
743 | } catch (_) {}
|
744 | }
|
745 | }
|
746 | };
|
747 |
|
748 | |
749 |
|
750 |
|
751 |
|
752 |
|
753 |
|
754 | var _initDocument = function _initDocument(dirty) {
|
755 |
|
756 | var doc = void 0;
|
757 | var leadingWhitespace = void 0;
|
758 |
|
759 | if (FORCE_BODY) {
|
760 | dirty = '<remove></remove>' + dirty;
|
761 | } else {
|
762 |
|
763 | var matches = stringMatch(dirty, /^[\r\n\t ]+/);
|
764 | leadingWhitespace = matches && matches[0];
|
765 | }
|
766 |
|
767 | if (PARSER_MEDIA_TYPE === 'application/xhtml+xml') {
|
768 |
|
769 | dirty = '<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body>' + dirty + '</body></html>';
|
770 | }
|
771 |
|
772 | var dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;
|
773 | |
774 |
|
775 |
|
776 |
|
777 | if (NAMESPACE === HTML_NAMESPACE) {
|
778 | try {
|
779 | doc = new DOMParser().parseFromString(dirtyPayload, PARSER_MEDIA_TYPE);
|
780 | } catch (_) {}
|
781 | }
|
782 |
|
783 |
|
784 | if (!doc || !doc.documentElement) {
|
785 | doc = implementation.createDocument(NAMESPACE, 'template', null);
|
786 | try {
|
787 | doc.documentElement.innerHTML = IS_EMPTY_INPUT ? '' : dirtyPayload;
|
788 | } catch (_) {
|
789 |
|
790 | }
|
791 | }
|
792 |
|
793 | var body = doc.body || doc.documentElement;
|
794 |
|
795 | if (dirty && leadingWhitespace) {
|
796 | body.insertBefore(document.createTextNode(leadingWhitespace), body.childNodes[0] || null);
|
797 | }
|
798 |
|
799 |
|
800 | if (NAMESPACE === HTML_NAMESPACE) {
|
801 | return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];
|
802 | }
|
803 |
|
804 | return WHOLE_DOCUMENT ? doc.documentElement : body;
|
805 | };
|
806 |
|
807 | |
808 |
|
809 |
|
810 |
|
811 |
|
812 |
|
813 | var _createIterator = function _createIterator(root) {
|
814 | return createNodeIterator.call(root.ownerDocument || root, root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, null, false);
|
815 | };
|
816 |
|
817 | |
818 |
|
819 |
|
820 |
|
821 |
|
822 |
|
823 | var _isClobbered = function _isClobbered(elm) {
|
824 | if (elm instanceof Text || elm instanceof Comment) {
|
825 | return false;
|
826 | }
|
827 |
|
828 | if (typeof elm.nodeName !== 'string' || typeof elm.textContent !== 'string' || typeof elm.removeChild !== 'function' || !(elm.attributes instanceof NamedNodeMap) || typeof elm.removeAttribute !== 'function' || typeof elm.setAttribute !== 'function' || typeof elm.namespaceURI !== 'string' || typeof elm.insertBefore !== 'function') {
|
829 | return true;
|
830 | }
|
831 |
|
832 | return false;
|
833 | };
|
834 |
|
835 | |
836 |
|
837 |
|
838 |
|
839 |
|
840 |
|
841 | var _isNode = function _isNode(object) {
|
842 | return (typeof Node === 'undefined' ? 'undefined' : _typeof(Node)) === 'object' ? object instanceof Node : object && (typeof object === 'undefined' ? 'undefined' : _typeof(object)) === 'object' && typeof object.nodeType === 'number' && typeof object.nodeName === 'string';
|
843 | };
|
844 |
|
845 | |
846 |
|
847 |
|
848 |
|
849 |
|
850 |
|
851 |
|
852 |
|
853 | var _executeHook = function _executeHook(entryPoint, currentNode, data) {
|
854 | if (!hooks[entryPoint]) {
|
855 | return;
|
856 | }
|
857 |
|
858 | arrayForEach(hooks[entryPoint], function (hook) {
|
859 | hook.call(DOMPurify, currentNode, data, CONFIG);
|
860 | });
|
861 | };
|
862 |
|
863 | |
864 |
|
865 |
|
866 |
|
867 |
|
868 |
|
869 |
|
870 |
|
871 |
|
872 |
|
873 | var _sanitizeElements = function _sanitizeElements(currentNode) {
|
874 | var content = void 0;
|
875 |
|
876 |
|
877 | _executeHook('beforeSanitizeElements', currentNode, null);
|
878 |
|
879 |
|
880 | if (_isClobbered(currentNode)) {
|
881 | _forceRemove(currentNode);
|
882 | return true;
|
883 | }
|
884 |
|
885 |
|
886 | if (stringMatch(currentNode.nodeName, /[\u0080-\uFFFF]/)) {
|
887 | _forceRemove(currentNode);
|
888 | return true;
|
889 | }
|
890 |
|
891 |
|
892 | var tagName = transformCaseFunc(currentNode.nodeName);
|
893 |
|
894 |
|
895 | _executeHook('uponSanitizeElement', currentNode, {
|
896 | tagName: tagName,
|
897 | allowedTags: ALLOWED_TAGS
|
898 | });
|
899 |
|
900 |
|
901 | if (!_isNode(currentNode.firstElementChild) && (!_isNode(currentNode.content) || !_isNode(currentNode.content.firstElementChild)) && regExpTest(/<[/\w]/g, currentNode.innerHTML) && regExpTest(/<[/\w]/g, currentNode.textContent)) {
|
902 | _forceRemove(currentNode);
|
903 | return true;
|
904 | }
|
905 |
|
906 |
|
907 | if (tagName === 'select' && regExpTest(/<template/i, currentNode.innerHTML)) {
|
908 | _forceRemove(currentNode);
|
909 | return true;
|
910 | }
|
911 |
|
912 |
|
913 | if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
|
914 |
|
915 | if (KEEP_CONTENT && !FORBID_CONTENTS[tagName]) {
|
916 | var parentNode = getParentNode(currentNode) || currentNode.parentNode;
|
917 | var childNodes = getChildNodes(currentNode) || currentNode.childNodes;
|
918 |
|
919 | if (childNodes && parentNode) {
|
920 | var childCount = childNodes.length;
|
921 |
|
922 | for (var i = childCount - 1; i >= 0; --i) {
|
923 | parentNode.insertBefore(cloneNode(childNodes[i], true), getNextSibling(currentNode));
|
924 | }
|
925 | }
|
926 | }
|
927 |
|
928 | _forceRemove(currentNode);
|
929 | return true;
|
930 | }
|
931 |
|
932 |
|
933 | if (currentNode instanceof Element && !_checkValidNamespace(currentNode)) {
|
934 | _forceRemove(currentNode);
|
935 | return true;
|
936 | }
|
937 |
|
938 | if ((tagName === 'noscript' || tagName === 'noembed') && regExpTest(/<\/no(script|embed)/i, currentNode.innerHTML)) {
|
939 | _forceRemove(currentNode);
|
940 | return true;
|
941 | }
|
942 |
|
943 |
|
944 | if (SAFE_FOR_TEMPLATES && currentNode.nodeType === 3) {
|
945 |
|
946 | content = currentNode.textContent;
|
947 | content = stringReplace(content, MUSTACHE_EXPR$$1, ' ');
|
948 | content = stringReplace(content, ERB_EXPR$$1, ' ');
|
949 | if (currentNode.textContent !== content) {
|
950 | arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });
|
951 | currentNode.textContent = content;
|
952 | }
|
953 | }
|
954 |
|
955 |
|
956 | _executeHook('afterSanitizeElements', currentNode, null);
|
957 |
|
958 | return false;
|
959 | };
|
960 |
|
961 | |
962 |
|
963 |
|
964 |
|
965 |
|
966 |
|
967 |
|
968 |
|
969 |
|
970 | var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {
|
971 |
|
972 | if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {
|
973 | return false;
|
974 | }
|
975 |
|
976 | |
977 |
|
978 |
|
979 |
|
980 | if (ALLOW_DATA_ATTR && !FORBID_ATTR[lcName] && regExpTest(DATA_ATTR$$1, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR$$1, lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {
|
981 | return false;
|
982 |
|
983 |
|
984 | } else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (regExpTest(IS_ALLOWED_URI$$1, stringReplace(value, ATTR_WHITESPACE$$1, ''))) ; else if ((lcName === 'src' || lcName === 'xlink:href' || lcName === 'href') && lcTag !== 'script' && stringIndexOf(value, 'data:') === 0 && DATA_URI_TAGS[lcTag]) ; else if (ALLOW_UNKNOWN_PROTOCOLS && !regExpTest(IS_SCRIPT_OR_DATA$$1, stringReplace(value, ATTR_WHITESPACE$$1, ''))) ; else if (!value) ; else {
|
985 | return false;
|
986 | }
|
987 |
|
988 | return true;
|
989 | };
|
990 |
|
991 | |
992 |
|
993 |
|
994 |
|
995 |
|
996 |
|
997 |
|
998 |
|
999 |
|
1000 |
|
1001 | var _sanitizeAttributes = function _sanitizeAttributes(currentNode) {
|
1002 | var attr = void 0;
|
1003 | var value = void 0;
|
1004 | var lcName = void 0;
|
1005 | var l = void 0;
|
1006 |
|
1007 | _executeHook('beforeSanitizeAttributes', currentNode, null);
|
1008 |
|
1009 | var attributes = currentNode.attributes;
|
1010 |
|
1011 |
|
1012 |
|
1013 | if (!attributes) {
|
1014 | return;
|
1015 | }
|
1016 |
|
1017 | var hookEvent = {
|
1018 | attrName: '',
|
1019 | attrValue: '',
|
1020 | keepAttr: true,
|
1021 | allowedAttributes: ALLOWED_ATTR
|
1022 | };
|
1023 | l = attributes.length;
|
1024 |
|
1025 |
|
1026 | while (l--) {
|
1027 | attr = attributes[l];
|
1028 | var _attr = attr,
|
1029 | name = _attr.name,
|
1030 | namespaceURI = _attr.namespaceURI;
|
1031 |
|
1032 | value = stringTrim(attr.value);
|
1033 | lcName = transformCaseFunc(name);
|
1034 |
|
1035 |
|
1036 | hookEvent.attrName = lcName;
|
1037 | hookEvent.attrValue = value;
|
1038 | hookEvent.keepAttr = true;
|
1039 | hookEvent.forceKeepAttr = undefined;
|
1040 | _executeHook('uponSanitizeAttribute', currentNode, hookEvent);
|
1041 | value = hookEvent.attrValue;
|
1042 |
|
1043 | if (hookEvent.forceKeepAttr) {
|
1044 | continue;
|
1045 | }
|
1046 |
|
1047 |
|
1048 | _removeAttribute(name, currentNode);
|
1049 |
|
1050 |
|
1051 | if (!hookEvent.keepAttr) {
|
1052 | continue;
|
1053 | }
|
1054 |
|
1055 |
|
1056 | if (regExpTest(/\/>/i, value)) {
|
1057 | _removeAttribute(name, currentNode);
|
1058 | continue;
|
1059 | }
|
1060 |
|
1061 |
|
1062 | if (SAFE_FOR_TEMPLATES) {
|
1063 | value = stringReplace(value, MUSTACHE_EXPR$$1, ' ');
|
1064 | value = stringReplace(value, ERB_EXPR$$1, ' ');
|
1065 | }
|
1066 |
|
1067 |
|
1068 | var lcTag = transformCaseFunc(currentNode.nodeName);
|
1069 | if (!_isValidAttribute(lcTag, lcName, value)) {
|
1070 | continue;
|
1071 | }
|
1072 |
|
1073 |
|
1074 | try {
|
1075 | if (namespaceURI) {
|
1076 | currentNode.setAttributeNS(namespaceURI, name, value);
|
1077 | } else {
|
1078 |
|
1079 | currentNode.setAttribute(name, value);
|
1080 | }
|
1081 |
|
1082 | arrayPop(DOMPurify.removed);
|
1083 | } catch (_) {}
|
1084 | }
|
1085 |
|
1086 |
|
1087 | _executeHook('afterSanitizeAttributes', currentNode, null);
|
1088 | };
|
1089 |
|
1090 | |
1091 |
|
1092 |
|
1093 |
|
1094 |
|
1095 | var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {
|
1096 | var shadowNode = void 0;
|
1097 | var shadowIterator = _createIterator(fragment);
|
1098 |
|
1099 |
|
1100 | _executeHook('beforeSanitizeShadowDOM', fragment, null);
|
1101 |
|
1102 | while (shadowNode = shadowIterator.nextNode()) {
|
1103 |
|
1104 | _executeHook('uponSanitizeShadowNode', shadowNode, null);
|
1105 |
|
1106 |
|
1107 | if (_sanitizeElements(shadowNode)) {
|
1108 | continue;
|
1109 | }
|
1110 |
|
1111 |
|
1112 | if (shadowNode.content instanceof DocumentFragment) {
|
1113 | _sanitizeShadowDOM(shadowNode.content);
|
1114 | }
|
1115 |
|
1116 |
|
1117 | _sanitizeAttributes(shadowNode);
|
1118 | }
|
1119 |
|
1120 |
|
1121 | _executeHook('afterSanitizeShadowDOM', fragment, null);
|
1122 | };
|
1123 |
|
1124 | |
1125 |
|
1126 |
|
1127 |
|
1128 |
|
1129 |
|
1130 |
|
1131 |
|
1132 | DOMPurify.sanitize = function (dirty, cfg) {
|
1133 | var body = void 0;
|
1134 | var importedNode = void 0;
|
1135 | var currentNode = void 0;
|
1136 | var oldNode = void 0;
|
1137 | var returnNode = void 0;
|
1138 | |
1139 |
|
1140 |
|
1141 | IS_EMPTY_INPUT = !dirty;
|
1142 | if (IS_EMPTY_INPUT) {
|
1143 | dirty = '<!-->';
|
1144 | }
|
1145 |
|
1146 |
|
1147 | if (typeof dirty !== 'string' && !_isNode(dirty)) {
|
1148 |
|
1149 | if (typeof dirty.toString !== 'function') {
|
1150 | throw typeErrorCreate('toString is not a function');
|
1151 | } else {
|
1152 | dirty = dirty.toString();
|
1153 | if (typeof dirty !== 'string') {
|
1154 | throw typeErrorCreate('dirty is not a string, aborting');
|
1155 | }
|
1156 | }
|
1157 | }
|
1158 |
|
1159 |
|
1160 | if (!DOMPurify.isSupported) {
|
1161 | if (_typeof(window.toStaticHTML) === 'object' || typeof window.toStaticHTML === 'function') {
|
1162 | if (typeof dirty === 'string') {
|
1163 | return window.toStaticHTML(dirty);
|
1164 | }
|
1165 |
|
1166 | if (_isNode(dirty)) {
|
1167 | return window.toStaticHTML(dirty.outerHTML);
|
1168 | }
|
1169 | }
|
1170 |
|
1171 | return dirty;
|
1172 | }
|
1173 |
|
1174 |
|
1175 | if (!SET_CONFIG) {
|
1176 | _parseConfig(cfg);
|
1177 | }
|
1178 |
|
1179 |
|
1180 | DOMPurify.removed = [];
|
1181 |
|
1182 |
|
1183 | if (typeof dirty === 'string') {
|
1184 | IN_PLACE = false;
|
1185 | }
|
1186 |
|
1187 | if (IN_PLACE) ; else if (dirty instanceof Node) {
|
1188 | |
1189 |
|
1190 | body = _initDocument('<!---->');
|
1191 | importedNode = body.ownerDocument.importNode(dirty, true);
|
1192 | if (importedNode.nodeType === 1 && importedNode.nodeName === 'BODY') {
|
1193 |
|
1194 | body = importedNode;
|
1195 | } else if (importedNode.nodeName === 'HTML') {
|
1196 | body = importedNode;
|
1197 | } else {
|
1198 |
|
1199 | body.appendChild(importedNode);
|
1200 | }
|
1201 | } else {
|
1202 |
|
1203 | if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT &&
|
1204 |
|
1205 | dirty.indexOf('<') === -1) {
|
1206 | return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;
|
1207 | }
|
1208 |
|
1209 |
|
1210 | body = _initDocument(dirty);
|
1211 |
|
1212 |
|
1213 | if (!body) {
|
1214 | return RETURN_DOM ? null : emptyHTML;
|
1215 | }
|
1216 | }
|
1217 |
|
1218 |
|
1219 | if (body && FORCE_BODY) {
|
1220 | _forceRemove(body.firstChild);
|
1221 | }
|
1222 |
|
1223 |
|
1224 | var nodeIterator = _createIterator(IN_PLACE ? dirty : body);
|
1225 |
|
1226 |
|
1227 | while (currentNode = nodeIterator.nextNode()) {
|
1228 |
|
1229 | if (currentNode.nodeType === 3 && currentNode === oldNode) {
|
1230 | continue;
|
1231 | }
|
1232 |
|
1233 |
|
1234 | if (_sanitizeElements(currentNode)) {
|
1235 | continue;
|
1236 | }
|
1237 |
|
1238 |
|
1239 | if (currentNode.content instanceof DocumentFragment) {
|
1240 | _sanitizeShadowDOM(currentNode.content);
|
1241 | }
|
1242 |
|
1243 |
|
1244 | _sanitizeAttributes(currentNode);
|
1245 |
|
1246 | oldNode = currentNode;
|
1247 | }
|
1248 |
|
1249 | oldNode = null;
|
1250 |
|
1251 |
|
1252 | if (IN_PLACE) {
|
1253 | return dirty;
|
1254 | }
|
1255 |
|
1256 |
|
1257 | if (RETURN_DOM) {
|
1258 | if (RETURN_DOM_FRAGMENT) {
|
1259 | returnNode = createDocumentFragment.call(body.ownerDocument);
|
1260 |
|
1261 | while (body.firstChild) {
|
1262 |
|
1263 | returnNode.appendChild(body.firstChild);
|
1264 | }
|
1265 | } else {
|
1266 | returnNode = body;
|
1267 | }
|
1268 |
|
1269 | if (RETURN_DOM_IMPORT) {
|
1270 | |
1271 |
|
1272 |
|
1273 |
|
1274 |
|
1275 |
|
1276 |
|
1277 | returnNode = importNode.call(originalDocument, returnNode, true);
|
1278 | }
|
1279 |
|
1280 | return returnNode;
|
1281 | }
|
1282 |
|
1283 | var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
|
1284 |
|
1285 |
|
1286 | if (SAFE_FOR_TEMPLATES) {
|
1287 | serializedHTML = stringReplace(serializedHTML, MUSTACHE_EXPR$$1, ' ');
|
1288 | serializedHTML = stringReplace(serializedHTML, ERB_EXPR$$1, ' ');
|
1289 | }
|
1290 |
|
1291 | return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML;
|
1292 | };
|
1293 |
|
1294 | |
1295 |
|
1296 |
|
1297 |
|
1298 |
|
1299 |
|
1300 | DOMPurify.setConfig = function (cfg) {
|
1301 | _parseConfig(cfg);
|
1302 | SET_CONFIG = true;
|
1303 | };
|
1304 |
|
1305 | |
1306 |
|
1307 |
|
1308 |
|
1309 |
|
1310 | DOMPurify.clearConfig = function () {
|
1311 | CONFIG = null;
|
1312 | SET_CONFIG = false;
|
1313 | };
|
1314 |
|
1315 | |
1316 |
|
1317 |
|
1318 |
|
1319 |
|
1320 |
|
1321 |
|
1322 |
|
1323 |
|
1324 |
|
1325 | DOMPurify.isValidAttribute = function (tag, attr, value) {
|
1326 |
|
1327 | if (!CONFIG) {
|
1328 | _parseConfig({});
|
1329 | }
|
1330 |
|
1331 | var lcTag = transformCaseFunc(tag);
|
1332 | var lcName = transformCaseFunc(attr);
|
1333 | return _isValidAttribute(lcTag, lcName, value);
|
1334 | };
|
1335 |
|
1336 | |
1337 |
|
1338 |
|
1339 |
|
1340 |
|
1341 |
|
1342 |
|
1343 | DOMPurify.addHook = function (entryPoint, hookFunction) {
|
1344 | if (typeof hookFunction !== 'function') {
|
1345 | return;
|
1346 | }
|
1347 |
|
1348 | hooks[entryPoint] = hooks[entryPoint] || [];
|
1349 | arrayPush(hooks[entryPoint], hookFunction);
|
1350 | };
|
1351 |
|
1352 | |
1353 |
|
1354 |
|
1355 |
|
1356 |
|
1357 |
|
1358 |
|
1359 | DOMPurify.removeHook = function (entryPoint) {
|
1360 | if (hooks[entryPoint]) {
|
1361 | arrayPop(hooks[entryPoint]);
|
1362 | }
|
1363 | };
|
1364 |
|
1365 | |
1366 |
|
1367 |
|
1368 |
|
1369 |
|
1370 |
|
1371 | DOMPurify.removeHooks = function (entryPoint) {
|
1372 | if (hooks[entryPoint]) {
|
1373 | hooks[entryPoint] = [];
|
1374 | }
|
1375 | };
|
1376 |
|
1377 | |
1378 |
|
1379 |
|
1380 |
|
1381 |
|
1382 | DOMPurify.removeAllHooks = function () {
|
1383 | hooks = {};
|
1384 | };
|
1385 |
|
1386 | return DOMPurify;
|
1387 | }
|
1388 |
|
1389 | var purify = createDOMPurify();
|
1390 |
|
1391 | return purify;
|
1392 |
|
1393 | }));
|
1394 |
|