1 |
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2 |
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3 | 'use strict';
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4 |
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5 | 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); } }
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6 |
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7 | var hasOwnProperty = Object.hasOwnProperty,
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8 | setPrototypeOf = Object.setPrototypeOf,
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9 | isFrozen = Object.isFrozen,
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10 | objectKeys = Object.keys;
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11 | var freeze = Object.freeze,
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12 | seal = Object.seal;
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13 |
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14 | var _ref = typeof Reflect !== 'undefined' && Reflect,
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15 | apply = _ref.apply,
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16 | construct = _ref.construct;
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17 |
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18 | if (!apply) {
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19 | apply = function apply(fun, thisValue, args) {
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20 | return fun.apply(thisValue, args);
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21 | };
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22 | }
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23 |
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24 | if (!freeze) {
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25 | freeze = function freeze(x) {
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26 | return x;
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27 | };
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28 | }
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29 |
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30 | if (!seal) {
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31 | seal = function seal(x) {
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32 | return x;
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33 | };
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34 | }
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35 |
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36 | if (!construct) {
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37 | construct = function construct(Func, args) {
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38 | return new (Function.prototype.bind.apply(Func, [null].concat(_toConsumableArray(args))))();
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39 | };
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40 | }
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41 |
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42 | var arrayForEach = unapply(Array.prototype.forEach);
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43 | var arrayIndexOf = unapply(Array.prototype.indexOf);
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44 | var arrayJoin = unapply(Array.prototype.join);
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45 | var arrayPop = unapply(Array.prototype.pop);
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46 | var arrayPush = unapply(Array.prototype.push);
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47 | var arraySlice = unapply(Array.prototype.slice);
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48 |
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49 | var stringToLowerCase = unapply(String.prototype.toLowerCase);
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50 | var stringMatch = unapply(String.prototype.match);
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51 | var stringReplace = unapply(String.prototype.replace);
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52 | var stringIndexOf = unapply(String.prototype.indexOf);
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53 | var stringTrim = unapply(String.prototype.trim);
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54 |
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55 | var regExpTest = unapply(RegExp.prototype.test);
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56 | var regExpCreate = unconstruct(RegExp);
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57 |
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58 | var typeErrorCreate = unconstruct(TypeError);
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59 |
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60 | function unapply(func) {
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61 | return function (thisArg) {
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62 | for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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63 | args[_key - 1] = arguments[_key];
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64 | }
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65 |
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66 | return apply(func, thisArg, args);
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67 | };
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68 | }
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69 |
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70 | function unconstruct(func) {
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71 | return function () {
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72 | for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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73 | args[_key2] = arguments[_key2];
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74 | }
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75 |
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76 | return construct(func, args);
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77 | };
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78 | }
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79 |
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80 |
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81 | function addToSet(set, array) {
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82 | if (setPrototypeOf) {
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83 |
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84 |
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85 |
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86 | setPrototypeOf(set, null);
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87 | }
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88 |
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89 | var l = array.length;
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90 | while (l--) {
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91 | var element = array[l];
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92 | if (typeof element === 'string') {
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93 | var lcElement = stringToLowerCase(element);
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94 | if (lcElement !== element) {
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95 |
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96 | if (!isFrozen(array)) {
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97 | array[l] = lcElement;
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98 | }
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99 |
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100 | element = lcElement;
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101 | }
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102 | }
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103 |
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104 | set[element] = true;
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105 | }
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106 |
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107 | return set;
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108 | }
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109 |
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110 | /* Shallow clone an object */
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111 | function clone(object) {
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112 | var newObject = {};
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113 |
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114 | var property = void 0;
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115 | for (property in object) {
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116 | if (apply(hasOwnProperty, object, [property])) {
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117 | newObject[property] = object[property];
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118 | }
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119 | }
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120 |
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121 | return newObject;
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122 | }
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123 |
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124 | 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', 'dir', 'div', 'dl', 'dt', 'element', 'em', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html', 'i', 'img', 'input', 'ins', 'kbd', 'label', 'legend', 'li', 'main', 'map', 'mark', 'marquee', 'menu', 'menuitem', 'meter', 'nav', 'nobr', 'ol', 'optgroup', 'option', 'output', 'p', 'picture', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'section', 'select', 'shadow', 'small', 'source', 'spacer', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'template', 'textarea', 'tfoot', 'th', 'thead', 'time', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr']);
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125 |
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126 |
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127 | var svg = freeze(['svg', 'a', 'altglyph', 'altglyphdef', 'altglyphitem', 'animatecolor', 'animatemotion', 'animatetransform', 'audio', 'canvas', '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', 'video', 'view', 'vkern']);
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128 |
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129 | 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']);
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130 |
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131 | 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']);
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132 |
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133 | var text = freeze(['#text']);
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134 |
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135 | 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']);
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136 |
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137 | var svg$1 = freeze(['accent-height', 'accumulate', 'additive', 'alignment-baseline', 'ascent', 'attributename', 'attributetype', 'azimuth', 'basefrequency', 'baseline-shift', 'begin', 'bias', 'by', 'class', 'clip', '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', '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']);
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138 |
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139 | var mathMl$1 = freeze(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', 'encoding', 'fence', 'frame', 'height', 'href', 'id', 'largeop', 'length', 'linethickness', 'lspace', 'lquote', 'mathbackground', 'mathcolor', 'mathsize', 'mathvariant', 'maxsize', 'minsize', 'movablelimits', 'notation', 'numalign', 'open', 'rowalign', 'rowlines', 'rowspacing', 'rowspan', 'rspace', 'rquote', 'scriptlevel', 'scriptminsize', 'scriptsizemultiplier', 'selection', 'separator', 'separators', 'stretchy', 'subscriptshift', 'supscriptshift', 'symmetric', 'voffset', 'width', 'xmlns']);
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140 |
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141 | var xml = freeze(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']);
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142 |
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143 |
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144 | var MUSTACHE_EXPR = seal(/\{\{[\s\S]*|[\s\S]*\}\}/gm);
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145 | var ERB_EXPR = seal(/<%[\s\S]*|[\s\S]*%>/gm);
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146 | var DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/);
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147 | var ARIA_ATTR = seal(/^aria-[\-\w]+$/);
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148 | var IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i
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149 | );
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150 | var IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i);
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151 | var ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g
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152 | );
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153 |
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154 | 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; };
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155 |
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156 | 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); } }
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157 |
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158 | var getGlobal = function getGlobal() {
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159 | return typeof window === 'undefined' ? null : window;
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160 | };
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161 |
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162 |
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163 |
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164 |
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165 |
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166 |
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167 |
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168 |
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169 |
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170 | var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) {
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171 | if ((typeof trustedTypes === 'undefined' ? 'undefined' : _typeof(trustedTypes)) !== 'object' || typeof trustedTypes.createPolicy !== 'function') {
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172 | return null;
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173 | }
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174 |
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175 |
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176 |
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177 |
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178 | var suffix = null;
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179 | var ATTR_NAME = 'data-tt-policy-suffix';
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180 | if (document.currentScript && document.currentScript.hasAttribute(ATTR_NAME)) {
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181 | suffix = document.currentScript.getAttribute(ATTR_NAME);
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182 | }
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183 |
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184 | var policyName = 'dompurify' + (suffix ? '#' + suffix : '');
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185 |
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186 | try {
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187 | return trustedTypes.createPolicy(policyName, {
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188 | createHTML: function createHTML(html$$1) {
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189 | return html$$1;
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190 | }
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191 | });
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192 | } catch (_) {
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193 |
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194 |
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195 |
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196 | console.warn('TrustedTypes policy ' + policyName + ' could not be created.');
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197 | return null;
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198 | }
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199 | };
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200 |
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201 | function createDOMPurify() {
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202 | var window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal();
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203 |
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204 | var DOMPurify = function DOMPurify(root) {
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205 | return createDOMPurify(root);
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206 | };
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207 |
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208 | |
209 |
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210 |
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211 |
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212 | DOMPurify.version = '2.0.12';
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213 |
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214 | |
215 |
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216 |
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217 |
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218 | DOMPurify.removed = [];
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219 |
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220 | if (!window || !window.document || window.document.nodeType !== 9) {
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221 |
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222 |
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223 | DOMPurify.isSupported = false;
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224 |
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225 | return DOMPurify;
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226 | }
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227 |
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228 | var originalDocument = window.document;
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229 | var removeTitle = false;
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230 |
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231 | var document = window.document;
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232 | var DocumentFragment = window.DocumentFragment,
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233 | HTMLTemplateElement = window.HTMLTemplateElement,
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234 | Node = window.Node,
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235 | NodeFilter = window.NodeFilter,
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236 | _window$NamedNodeMap = window.NamedNodeMap,
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237 | NamedNodeMap = _window$NamedNodeMap === undefined ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap,
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238 | Text = window.Text,
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239 | Comment = window.Comment,
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240 | DOMParser = window.DOMParser,
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241 | trustedTypes = window.trustedTypes;
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242 |
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243 |
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244 |
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245 |
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246 |
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247 |
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248 |
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249 |
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250 | if (typeof HTMLTemplateElement === 'function') {
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251 | var template = document.createElement('template');
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252 | if (template.content && template.content.ownerDocument) {
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253 | document = template.content.ownerDocument;
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254 | }
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255 | }
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256 |
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257 | var trustedTypesPolicy = _createTrustedTypesPolicy(trustedTypes, originalDocument);
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258 | var emptyHTML = trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML('') : '';
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259 |
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260 | var _document = document,
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261 | implementation = _document.implementation,
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262 | createNodeIterator = _document.createNodeIterator,
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263 | getElementsByTagName = _document.getElementsByTagName,
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264 | createDocumentFragment = _document.createDocumentFragment;
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265 | var importNode = originalDocument.importNode;
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266 |
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267 |
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268 | var hooks = {};
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269 |
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270 | |
271 |
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272 |
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273 | DOMPurify.isSupported = implementation && typeof implementation.createHTMLDocument !== 'undefined' && document.documentMode !== 9;
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274 |
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275 | var MUSTACHE_EXPR$$1 = MUSTACHE_EXPR,
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276 | ERB_EXPR$$1 = ERB_EXPR,
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277 | DATA_ATTR$$1 = DATA_ATTR,
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278 | ARIA_ATTR$$1 = ARIA_ATTR,
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279 | IS_SCRIPT_OR_DATA$$1 = IS_SCRIPT_OR_DATA,
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280 | ATTR_WHITESPACE$$1 = ATTR_WHITESPACE;
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281 | var IS_ALLOWED_URI$$1 = IS_ALLOWED_URI;
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282 |
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283 | |
284 |
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285 |
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286 |
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287 |
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288 |
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289 |
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290 | var ALLOWED_TAGS = null;
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291 | var DEFAULT_ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(html), _toConsumableArray$1(svg), _toConsumableArray$1(svgFilters), _toConsumableArray$1(mathMl), _toConsumableArray$1(text)));
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292 |
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293 |
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294 | var ALLOWED_ATTR = null;
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295 | var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray$1(html$1), _toConsumableArray$1(svg$1), _toConsumableArray$1(mathMl$1), _toConsumableArray$1(xml)));
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296 |
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297 |
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298 | var FORBID_TAGS = null;
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299 |
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300 |
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301 | var FORBID_ATTR = null;
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302 |
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303 |
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304 | var ALLOW_ARIA_ATTR = true;
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305 |
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306 |
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307 | var ALLOW_DATA_ATTR = true;
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308 |
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309 |
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310 | var ALLOW_UNKNOWN_PROTOCOLS = false;
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311 |
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312 |
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313 | var SAFE_FOR_JQUERY = false;
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314 |
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315 | |
316 |
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317 |
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318 | var SAFE_FOR_TEMPLATES = false;
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319 |
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320 |
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321 | var WHOLE_DOCUMENT = false;
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322 |
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323 |
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324 | var SET_CONFIG = false;
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325 |
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326 | |
327 |
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328 | var FORCE_BODY = false;
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329 |
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330 | |
331 |
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332 |
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333 |
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334 | var RETURN_DOM = false;
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335 |
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336 | |
337 |
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338 | var RETURN_DOM_FRAGMENT = false;
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339 |
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340 | |
341 |
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342 |
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343 |
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344 | var RETURN_DOM_IMPORT = false;
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345 |
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346 | |
347 |
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348 | var RETURN_TRUSTED_TYPE = false;
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349 |
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350 |
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351 | var SANITIZE_DOM = true;
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352 |
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353 |
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354 | var KEEP_CONTENT = true;
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355 |
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356 | |
357 |
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358 | var IN_PLACE = false;
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359 |
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360 |
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361 | var USE_PROFILES = {};
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362 |
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363 |
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364 | var FORBID_CONTENTS = addToSet({}, ['annotation-xml', 'audio', 'colgroup', 'desc', 'foreignobject', 'head', 'iframe', 'math', 'mi', 'mn', 'mo', 'ms', 'mtext', 'noembed', 'noframes', 'plaintext', 'script', 'style', 'svg', 'template', 'thead', 'title', 'video', 'xmp']);
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365 |
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366 |
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367 | var DATA_URI_TAGS = null;
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368 | var DEFAULT_DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image', 'track']);
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369 |
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370 |
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371 | var URI_SAFE_ATTRIBUTES = null;
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372 | var DEFAULT_URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'summary', 'title', 'value', 'style', 'xmlns']);
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373 |
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374 |
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375 | var CONFIG = null;
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376 |
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377 |
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378 |
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379 |
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380 | var formElement = document.createElement('form');
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381 |
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382 | |
383 |
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384 |
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385 |
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386 |
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387 |
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388 | var _parseConfig = function _parseConfig(cfg) {
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389 | if (CONFIG && CONFIG === cfg) {
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390 | return;
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391 | }
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392 |
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393 |
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394 | if (!cfg || (typeof cfg === 'undefined' ? 'undefined' : _typeof(cfg)) !== 'object') {
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395 | cfg = {};
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396 | }
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397 |
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398 |
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399 | ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS) : DEFAULT_ALLOWED_TAGS;
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400 | ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR) : DEFAULT_ALLOWED_ATTR;
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401 | URI_SAFE_ATTRIBUTES = 'ADD_URI_SAFE_ATTR' in cfg ? addToSet(clone(DEFAULT_URI_SAFE_ATTRIBUTES), cfg.ADD_URI_SAFE_ATTR) : DEFAULT_URI_SAFE_ATTRIBUTES;
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402 | DATA_URI_TAGS = 'ADD_DATA_URI_TAGS' in cfg ? addToSet(clone(DEFAULT_DATA_URI_TAGS), cfg.ADD_DATA_URI_TAGS) : DEFAULT_DATA_URI_TAGS;
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403 | FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {};
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404 | FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {};
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405 | USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false;
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406 | ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false;
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407 | ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false;
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408 | ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false;
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409 | SAFE_FOR_JQUERY = cfg.SAFE_FOR_JQUERY || false;
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410 | SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false;
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411 | WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false;
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412 | RETURN_DOM = cfg.RETURN_DOM || false;
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413 | RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false;
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414 | RETURN_DOM_IMPORT = cfg.RETURN_DOM_IMPORT || false;
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415 | RETURN_TRUSTED_TYPE = cfg.RETURN_TRUSTED_TYPE || false;
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416 | FORCE_BODY = cfg.FORCE_BODY || false;
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417 | SANITIZE_DOM = cfg.SANITIZE_DOM !== false;
|
418 | KEEP_CONTENT = cfg.KEEP_CONTENT !== false;
|
419 | IN_PLACE = cfg.IN_PLACE || false;
|
420 | IS_ALLOWED_URI$$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI$$1;
|
421 | if (SAFE_FOR_TEMPLATES) {
|
422 | ALLOW_DATA_ATTR = false;
|
423 | }
|
424 |
|
425 | if (RETURN_DOM_FRAGMENT) {
|
426 | RETURN_DOM = true;
|
427 | }
|
428 |
|
429 |
|
430 | if (USE_PROFILES) {
|
431 | ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray$1(text)));
|
432 | ALLOWED_ATTR = [];
|
433 | if (USE_PROFILES.html === true) {
|
434 | addToSet(ALLOWED_TAGS, html);
|
435 | addToSet(ALLOWED_ATTR, html$1);
|
436 | }
|
437 |
|
438 | if (USE_PROFILES.svg === true) {
|
439 | addToSet(ALLOWED_TAGS, svg);
|
440 | addToSet(ALLOWED_ATTR, svg$1);
|
441 | addToSet(ALLOWED_ATTR, xml);
|
442 | }
|
443 |
|
444 | if (USE_PROFILES.svgFilters === true) {
|
445 | addToSet(ALLOWED_TAGS, svgFilters);
|
446 | addToSet(ALLOWED_ATTR, svg$1);
|
447 | addToSet(ALLOWED_ATTR, xml);
|
448 | }
|
449 |
|
450 | if (USE_PROFILES.mathMl === true) {
|
451 | addToSet(ALLOWED_TAGS, mathMl);
|
452 | addToSet(ALLOWED_ATTR, mathMl$1);
|
453 | addToSet(ALLOWED_ATTR, xml);
|
454 | }
|
455 | }
|
456 |
|
457 |
|
458 | if (cfg.ADD_TAGS) {
|
459 | if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) {
|
460 | ALLOWED_TAGS = clone(ALLOWED_TAGS);
|
461 | }
|
462 |
|
463 | addToSet(ALLOWED_TAGS, cfg.ADD_TAGS);
|
464 | }
|
465 |
|
466 | if (cfg.ADD_ATTR) {
|
467 | if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) {
|
468 | ALLOWED_ATTR = clone(ALLOWED_ATTR);
|
469 | }
|
470 |
|
471 | addToSet(ALLOWED_ATTR, cfg.ADD_ATTR);
|
472 | }
|
473 |
|
474 | if (cfg.ADD_URI_SAFE_ATTR) {
|
475 | addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR);
|
476 | }
|
477 |
|
478 |
|
479 | if (KEEP_CONTENT) {
|
480 | ALLOWED_TAGS['#text'] = true;
|
481 | }
|
482 |
|
483 |
|
484 | if (WHOLE_DOCUMENT) {
|
485 | addToSet(ALLOWED_TAGS, ['html', 'head', 'body']);
|
486 | }
|
487 |
|
488 |
|
489 | if (ALLOWED_TAGS.table) {
|
490 | addToSet(ALLOWED_TAGS, ['tbody']);
|
491 | delete FORBID_TAGS.tbody;
|
492 | }
|
493 |
|
494 |
|
495 |
|
496 | if (freeze) {
|
497 | freeze(cfg);
|
498 | }
|
499 |
|
500 | CONFIG = cfg;
|
501 | };
|
502 |
|
503 | |
504 |
|
505 |
|
506 |
|
507 |
|
508 | var _forceRemove = function _forceRemove(node) {
|
509 | arrayPush(DOMPurify.removed, { element: node });
|
510 | try {
|
511 |
|
512 | node.parentNode.removeChild(node);
|
513 | } catch (_) {
|
514 | node.outerHTML = emptyHTML;
|
515 | }
|
516 | };
|
517 |
|
518 | |
519 |
|
520 |
|
521 |
|
522 |
|
523 |
|
524 | var _removeAttribute = function _removeAttribute(name, node) {
|
525 | try {
|
526 | arrayPush(DOMPurify.removed, {
|
527 | attribute: node.getAttributeNode(name),
|
528 | from: node
|
529 | });
|
530 | } catch (_) {
|
531 | arrayPush(DOMPurify.removed, {
|
532 | attribute: null,
|
533 | from: node
|
534 | });
|
535 | }
|
536 |
|
537 | node.removeAttribute(name);
|
538 | };
|
539 |
|
540 | |
541 |
|
542 |
|
543 |
|
544 |
|
545 |
|
546 | var _initDocument = function _initDocument(dirty) {
|
547 |
|
548 | var doc = void 0;
|
549 | var leadingWhitespace = void 0;
|
550 |
|
551 | if (FORCE_BODY) {
|
552 | dirty = '<remove></remove>' + dirty;
|
553 | } else {
|
554 |
|
555 | var matches = stringMatch(dirty, /^[\r\n\t ]+/);
|
556 | leadingWhitespace = matches && matches[0];
|
557 | }
|
558 |
|
559 | var dirtyPayload = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty;
|
560 |
|
561 | try {
|
562 | doc = new DOMParser().parseFromString(dirtyPayload, 'text/html');
|
563 | } catch (_) {}
|
564 |
|
565 |
|
566 | if (removeTitle) {
|
567 | addToSet(FORBID_TAGS, ['title']);
|
568 | }
|
569 |
|
570 |
|
571 | if (!doc || !doc.documentElement) {
|
572 | doc = implementation.createHTMLDocument('');
|
573 | var _doc = doc,
|
574 | body = _doc.body;
|
575 |
|
576 | body.parentNode.removeChild(body.parentNode.firstElementChild);
|
577 | body.outerHTML = dirtyPayload;
|
578 | }
|
579 |
|
580 | if (dirty && leadingWhitespace) {
|
581 | doc.body.insertBefore(document.createTextNode(leadingWhitespace), doc.body.childNodes[0] || null);
|
582 | }
|
583 |
|
584 |
|
585 | return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0];
|
586 | };
|
587 |
|
588 |
|
589 | if (DOMPurify.isSupported) {
|
590 | (function () {
|
591 | try {
|
592 | var doc = _initDocument('<x/><title></title><img>');
|
593 | if (regExpTest(/<\/title/, doc.querySelector('title').innerHTML)) {
|
594 | removeTitle = true;
|
595 | }
|
596 | } catch (_) {}
|
597 | })();
|
598 | }
|
599 |
|
600 | |
601 |
|
602 |
|
603 |
|
604 |
|
605 |
|
606 | var _createIterator = function _createIterator(root) {
|
607 | return createNodeIterator.call(root.ownerDocument || root, root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, function () {
|
608 | return NodeFilter.FILTER_ACCEPT;
|
609 | }, false);
|
610 | };
|
611 |
|
612 | |
613 |
|
614 |
|
615 |
|
616 |
|
617 |
|
618 | var _isClobbered = function _isClobbered(elm) {
|
619 | if (elm instanceof Text || elm instanceof Comment) {
|
620 | return false;
|
621 | }
|
622 |
|
623 | 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') {
|
624 | return true;
|
625 | }
|
626 |
|
627 | return false;
|
628 | };
|
629 |
|
630 | |
631 |
|
632 |
|
633 |
|
634 |
|
635 |
|
636 | var _isNode = function _isNode(object) {
|
637 | 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';
|
638 | };
|
639 |
|
640 | |
641 |
|
642 |
|
643 |
|
644 |
|
645 |
|
646 |
|
647 |
|
648 | var _executeHook = function _executeHook(entryPoint, currentNode, data) {
|
649 | if (!hooks[entryPoint]) {
|
650 | return;
|
651 | }
|
652 |
|
653 | arrayForEach(hooks[entryPoint], function (hook) {
|
654 | hook.call(DOMPurify, currentNode, data, CONFIG);
|
655 | });
|
656 | };
|
657 |
|
658 | |
659 |
|
660 |
|
661 |
|
662 |
|
663 |
|
664 |
|
665 |
|
666 |
|
667 |
|
668 |
|
669 | var _sanitizeElements = function _sanitizeElements(currentNode) {
|
670 | var content = void 0;
|
671 |
|
672 |
|
673 | _executeHook('beforeSanitizeElements', currentNode, null);
|
674 |
|
675 |
|
676 | if (_isClobbered(currentNode)) {
|
677 | _forceRemove(currentNode);
|
678 | return true;
|
679 | }
|
680 |
|
681 |
|
682 | var tagName = stringToLowerCase(currentNode.nodeName);
|
683 |
|
684 |
|
685 | _executeHook('uponSanitizeElement', currentNode, {
|
686 | tagName: tagName,
|
687 | allowedTags: ALLOWED_TAGS
|
688 | });
|
689 |
|
690 |
|
691 | if ((tagName === 'svg' || tagName === 'math') && currentNode.querySelectorAll('p, br').length !== 0) {
|
692 | _forceRemove(currentNode);
|
693 | return true;
|
694 | }
|
695 |
|
696 |
|
697 | if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) {
|
698 |
|
699 | if (KEEP_CONTENT && !FORBID_CONTENTS[tagName] && typeof currentNode.insertAdjacentHTML === 'function') {
|
700 | try {
|
701 | var htmlToInsert = currentNode.innerHTML;
|
702 | currentNode.insertAdjacentHTML('AfterEnd', trustedTypesPolicy ? trustedTypesPolicy.createHTML(htmlToInsert) : htmlToInsert);
|
703 | } catch (_) {}
|
704 | }
|
705 |
|
706 | _forceRemove(currentNode);
|
707 | return true;
|
708 | }
|
709 |
|
710 |
|
711 | if (tagName === 'noscript' && regExpTest(/<\/noscript/i, currentNode.innerHTML)) {
|
712 | _forceRemove(currentNode);
|
713 | return true;
|
714 | }
|
715 |
|
716 | if (tagName === 'noembed' && regExpTest(/<\/noembed/i, currentNode.innerHTML)) {
|
717 | _forceRemove(currentNode);
|
718 | return true;
|
719 | }
|
720 |
|
721 |
|
722 | if (SAFE_FOR_JQUERY && !currentNode.firstElementChild && (!currentNode.content || !currentNode.content.firstElementChild) && regExpTest(/</g, currentNode.textContent)) {
|
723 | arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });
|
724 | if (currentNode.innerHTML) {
|
725 | currentNode.innerHTML = stringReplace(currentNode.innerHTML, /</g, '<');
|
726 | } else {
|
727 | currentNode.innerHTML = stringReplace(currentNode.textContent, /</g, '<');
|
728 | }
|
729 | }
|
730 |
|
731 | /* Sanitize element content to be template-safe */
|
732 | if (SAFE_FOR_TEMPLATES && currentNode.nodeType === 3) {
|
733 | /* Get the element's text content */
|
734 | content = currentNode.textContent;
|
735 | content = stringReplace(content, MUSTACHE_EXPR$$1, ' ');
|
736 | content = stringReplace(content, ERB_EXPR$$1, ' ');
|
737 | if (currentNode.textContent !== content) {
|
738 | arrayPush(DOMPurify.removed, { element: currentNode.cloneNode() });
|
739 | currentNode.textContent = content;
|
740 | }
|
741 | }
|
742 |
|
743 | /* Execute a hook if present */
|
744 | _executeHook('afterSanitizeElements', currentNode, null);
|
745 |
|
746 | return false;
|
747 | };
|
748 |
|
749 | /**
|
750 | * _isValidAttribute
|
751 | *
|
752 | * @param {string} lcTag Lowercase tag name of containing element.
|
753 | * @param {string} lcName Lowercase attribute name.
|
754 | * @param {string} value Attribute value.
|
755 | * @return {Boolean} Returns true if `value` is valid, otherwise false.
|
756 | */
|
757 | // eslint-disable-next-line complexity
|
758 | var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) {
|
759 | /* Make sure attribute cannot clobber */
|
760 | if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) {
|
761 | return false;
|
762 | }
|
763 |
|
764 | /* Allow valid data-* attributes: At least one character after "-"
|
765 | (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes)
|
766 | XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804)
|
767 | We don't need to check the value; it's always URI safe. */
|
768 | if (ALLOW_DATA_ATTR && regExpTest(DATA_ATTR$$1, lcName)) ; else if (ALLOW_ARIA_ATTR && regExpTest(ARIA_ATTR$$1, lcName)) ; else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) {
|
769 | return false;
|
770 |
|
771 | /* Check value is safe. First, is attr inert? If so, is safe */
|
772 | } else if (URI_SAFE_ATTRIBUTES[lcName]) ; else if (regExpTest(IS_ALLOWED_URI$$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 {
|
773 | return false;
|
774 | }
|
775 |
|
776 | return true;
|
777 | };
|
778 |
|
779 | /**
|
780 | * _sanitizeAttributes
|
781 | *
|
782 | * @protect attributes
|
783 | * @protect nodeName
|
784 | * @protect removeAttribute
|
785 | * @protect setAttribute
|
786 | *
|
787 | * @param {Node} currentNode to sanitize
|
788 | */
|
789 | // eslint-disable-next-line complexity
|
790 | var _sanitizeAttributes = function _sanitizeAttributes(currentNode) {
|
791 | var attr = void 0;
|
792 | var value = void 0;
|
793 | var lcName = void 0;
|
794 | var idAttr = void 0;
|
795 | var l = void 0;
|
796 | /* Execute a hook if present */
|
797 | _executeHook('beforeSanitizeAttributes', currentNode, null);
|
798 |
|
799 | var attributes = currentNode.attributes;
|
800 |
|
801 | /* Check if we have attributes; if not we might have a text node */
|
802 |
|
803 | if (!attributes) {
|
804 | return;
|
805 | }
|
806 |
|
807 | var hookEvent = {
|
808 | attrName: '',
|
809 | attrValue: '',
|
810 | keepAttr: true,
|
811 | allowedAttributes: ALLOWED_ATTR
|
812 | };
|
813 | l = attributes.length;
|
814 |
|
815 | /* Go backwards over all attributes; safely remove bad ones */
|
816 | while (l--) {
|
817 | attr = attributes[l];
|
818 | var _attr = attr,
|
819 | name = _attr.name,
|
820 | namespaceURI = _attr.namespaceURI;
|
821 |
|
822 | value = stringTrim(attr.value);
|
823 | lcName = stringToLowerCase(name);
|
824 |
|
825 | /* Execute a hook if present */
|
826 | hookEvent.attrName = lcName;
|
827 | hookEvent.attrValue = value;
|
828 | hookEvent.keepAttr = true;
|
829 | hookEvent.forceKeepAttr = undefined; // Allows developers to see this is a property they can set
|
830 | _executeHook('uponSanitizeAttribute', currentNode, hookEvent);
|
831 | value = hookEvent.attrValue;
|
832 | /* Did the hooks approve of the attribute? */
|
833 | if (hookEvent.forceKeepAttr) {
|
834 | continue;
|
835 | }
|
836 |
|
837 | /* Remove attribute */
|
838 | // Safari (iOS + Mac), last tested v8.0.5, crashes if you try to
|
839 | // remove a "name" attribute from an <img> tag that has an "id"
|
840 | // attribute at the time.
|
841 | if (lcName === 'name' && currentNode.nodeName === 'IMG' && attributes.id) {
|
842 | idAttr = attributes.id;
|
843 | attributes = arraySlice(attributes, []);
|
844 | _removeAttribute('id', currentNode);
|
845 | _removeAttribute(name, currentNode);
|
846 | if (arrayIndexOf(attributes, idAttr) > l) {
|
847 | currentNode.setAttribute('id', idAttr.value);
|
848 | }
|
849 | } else if (
|
850 | // This works around a bug in Safari, where input[type=file]
|
851 | // cannot be dynamically set after type has been removed
|
852 | currentNode.nodeName === 'INPUT' && lcName === 'type' && value === 'file' && hookEvent.keepAttr && (ALLOWED_ATTR[lcName] || !FORBID_ATTR[lcName])) {
|
853 | continue;
|
854 | } else {
|
855 | // This avoids a crash in Safari v9.0 with double-ids.
|
856 | // The trick is to first set the id to be empty and then to
|
857 | // remove the attribute
|
858 | if (name === 'id') {
|
859 | currentNode.setAttribute(name, '');
|
860 | }
|
861 |
|
862 | _removeAttribute(name, currentNode);
|
863 | }
|
864 |
|
865 | /* Did the hooks approve of the attribute? */
|
866 | if (!hookEvent.keepAttr) {
|
867 | continue;
|
868 | }
|
869 |
|
870 | /* Work around a security issue in jQuery 3.0 */
|
871 | if (SAFE_FOR_JQUERY && regExpTest(/\/>/i, value)) {
|
872 | _removeAttribute(name, currentNode);
|
873 | continue;
|
874 | }
|
875 |
|
876 | /* Take care of an mXSS pattern using namespace switches */
|
877 | if (regExpTest(/svg|math/i, currentNode.namespaceURI) && regExpTest(regExpCreate('</(' + arrayJoin(objectKeys(FORBID_CONTENTS), '|') + ')', 'i'), value)) {
|
878 | _removeAttribute(name, currentNode);
|
879 | continue;
|
880 | }
|
881 |
|
882 | /* Sanitize attribute content to be template-safe */
|
883 | if (SAFE_FOR_TEMPLATES) {
|
884 | value = stringReplace(value, MUSTACHE_EXPR$$1, ' ');
|
885 | value = stringReplace(value, ERB_EXPR$$1, ' ');
|
886 | }
|
887 |
|
888 | /* Is `value` valid for this attribute? */
|
889 | var lcTag = currentNode.nodeName.toLowerCase();
|
890 | if (!_isValidAttribute(lcTag, lcName, value)) {
|
891 | continue;
|
892 | }
|
893 |
|
894 | /* Handle invalid data-* attribute set by try-catching it */
|
895 | try {
|
896 | if (namespaceURI) {
|
897 | currentNode.setAttributeNS(namespaceURI, name, value);
|
898 | } else {
|
899 | /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. "x-schema". */
|
900 | currentNode.setAttribute(name, value);
|
901 | }
|
902 |
|
903 | arrayPop(DOMPurify.removed);
|
904 | } catch (_) {}
|
905 | }
|
906 |
|
907 | /* Execute a hook if present */
|
908 | _executeHook('afterSanitizeAttributes', currentNode, null);
|
909 | };
|
910 |
|
911 | /**
|
912 | * _sanitizeShadowDOM
|
913 | *
|
914 | * @param {DocumentFragment} fragment to iterate over recursively
|
915 | */
|
916 | var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) {
|
917 | var shadowNode = void 0;
|
918 | var shadowIterator = _createIterator(fragment);
|
919 |
|
920 | /* Execute a hook if present */
|
921 | _executeHook('beforeSanitizeShadowDOM', fragment, null);
|
922 |
|
923 | while (shadowNode = shadowIterator.nextNode()) {
|
924 | /* Execute a hook if present */
|
925 | _executeHook('uponSanitizeShadowNode', shadowNode, null);
|
926 |
|
927 | /* Sanitize tags and elements */
|
928 | if (_sanitizeElements(shadowNode)) {
|
929 | continue;
|
930 | }
|
931 |
|
932 | /* Deep shadow DOM detected */
|
933 | if (shadowNode.content instanceof DocumentFragment) {
|
934 | _sanitizeShadowDOM(shadowNode.content);
|
935 | }
|
936 |
|
937 | /* Check attributes, sanitize if necessary */
|
938 | _sanitizeAttributes(shadowNode);
|
939 | }
|
940 |
|
941 | /* Execute a hook if present */
|
942 | _executeHook('afterSanitizeShadowDOM', fragment, null);
|
943 | };
|
944 |
|
945 | /**
|
946 | * Sanitize
|
947 | * Public method providing core sanitation functionality
|
948 | *
|
949 | * @param {String|Node} dirty string or DOM node
|
950 | * @param {Object} configuration object
|
951 | */
|
952 | // eslint-disable-next-line complexity
|
953 | DOMPurify.sanitize = function (dirty, cfg) {
|
954 | var body = void 0;
|
955 | var importedNode = void 0;
|
956 | var currentNode = void 0;
|
957 | var oldNode = void 0;
|
958 | var returnNode = void 0;
|
959 | /* Make sure we have a string to sanitize.
|
960 | DO NOT return early, as this will return the wrong type if
|
961 | the user has requested a DOM object rather than a string */
|
962 | if (!dirty) {
|
963 | dirty = ' |
964 | }
|
965 |
|
966 | /* Stringify, in case dirty is an object */
|
967 | if (typeof dirty !== 'string' && !_isNode(dirty)) {
|
968 | // eslint-disable-next-line no-negated-condition
|
969 | if (typeof dirty.toString !== 'function') {
|
970 | throw typeErrorCreate('toString is not a function');
|
971 | } else {
|
972 | dirty = dirty.toString();
|
973 | if (typeof dirty !== 'string') {
|
974 | throw typeErrorCreate('dirty is not a string, aborting');
|
975 | }
|
976 | }
|
977 | }
|
978 |
|
979 | /* Check we can run. Otherwise fall back or ignore */
|
980 | if (!DOMPurify.isSupported) {
|
981 | if (_typeof(window.toStaticHTML) === 'object' || typeof window.toStaticHTML === 'function') {
|
982 | if (typeof dirty === 'string') {
|
983 | return window.toStaticHTML(dirty);
|
984 | }
|
985 |
|
986 | if (_isNode(dirty)) {
|
987 | return window.toStaticHTML(dirty.outerHTML);
|
988 | }
|
989 | }
|
990 |
|
991 | return dirty;
|
992 | }
|
993 |
|
994 | /* Assign config vars */
|
995 | if (!SET_CONFIG) {
|
996 | _parseConfig(cfg);
|
997 | }
|
998 |
|
999 | /* Clean up removed elements */
|
1000 | DOMPurify.removed = [];
|
1001 |
|
1002 | /* Check if dirty is correctly typed for IN_PLACE */
|
1003 | if (typeof dirty === 'string') {
|
1004 | IN_PLACE = false;
|
1005 | }
|
1006 |
|
1007 | if (IN_PLACE) ; else if (dirty instanceof Node) {
|
1008 | /* If dirty is a DOM element, append to an empty document to avoid
|
1009 | elements being stripped by the parser */
|
1010 | body = _initDocument(' |
1011 | importedNode = body.ownerDocument.importNode(dirty, true);
|
1012 | if (importedNode.nodeType === 1 && importedNode.nodeName === 'BODY') {
|
1013 | /* Node is already a body, use as is */
|
1014 | body = importedNode;
|
1015 | } else if (importedNode.nodeName === 'HTML') {
|
1016 | body = importedNode;
|
1017 | } else {
|
1018 | // eslint-disable-next-line unicorn/prefer-node-append
|
1019 | body.appendChild(importedNode);
|
1020 | }
|
1021 | } else {
|
1022 | /* Exit directly if we have nothing to do */
|
1023 | if (!RETURN_DOM && !SAFE_FOR_TEMPLATES && !WHOLE_DOCUMENT &&
|
1024 | // eslint-disable-next-line unicorn/prefer-includes
|
1025 | dirty.indexOf('<') === -1) {
|
1026 | return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(dirty) : dirty;
|
1027 | }
|
1028 |
|
1029 | /* Initialize the document to work on */
|
1030 | body = _initDocument(dirty);
|
1031 |
|
1032 | /* Check we have a DOM node from the data */
|
1033 | if (!body) {
|
1034 | return RETURN_DOM ? null : emptyHTML;
|
1035 | }
|
1036 | }
|
1037 |
|
1038 | /* Remove first element node (ours) if FORCE_BODY is set */
|
1039 | if (body && FORCE_BODY) {
|
1040 | _forceRemove(body.firstChild);
|
1041 | }
|
1042 |
|
1043 | /* Get node iterator */
|
1044 | var nodeIterator = _createIterator(IN_PLACE ? dirty : body);
|
1045 |
|
1046 | /* Now start iterating over the created document */
|
1047 | while (currentNode = nodeIterator.nextNode()) {
|
1048 | /* Fix IE's strange behavior with manipulated textNodes #89 */
|
1049 | if (currentNode.nodeType === 3 && currentNode === oldNode) {
|
1050 | continue;
|
1051 | }
|
1052 |
|
1053 | /* Sanitize tags and elements */
|
1054 | if (_sanitizeElements(currentNode)) {
|
1055 | continue;
|
1056 | }
|
1057 |
|
1058 | /* Shadow DOM detected, sanitize it */
|
1059 | if (currentNode.content instanceof DocumentFragment) {
|
1060 | _sanitizeShadowDOM(currentNode.content);
|
1061 | }
|
1062 |
|
1063 | /* Check attributes, sanitize if necessary */
|
1064 | _sanitizeAttributes(currentNode);
|
1065 |
|
1066 | oldNode = currentNode;
|
1067 | }
|
1068 |
|
1069 | oldNode = null;
|
1070 |
|
1071 | /* If we sanitized `dirty` in-place, return it. */
|
1072 | if (IN_PLACE) {
|
1073 | return dirty;
|
1074 | }
|
1075 |
|
1076 | /* Return sanitized string or DOM */
|
1077 | if (RETURN_DOM) {
|
1078 | if (RETURN_DOM_FRAGMENT) {
|
1079 | returnNode = createDocumentFragment.call(body.ownerDocument);
|
1080 |
|
1081 | while (body.firstChild) {
|
1082 | // eslint-disable-next-line unicorn/prefer-node-append
|
1083 | returnNode.appendChild(body.firstChild);
|
1084 | }
|
1085 | } else {
|
1086 | returnNode = body;
|
1087 | }
|
1088 |
|
1089 | if (RETURN_DOM_IMPORT) {
|
1090 | /*
|
1091 | AdoptNode() is not used because internal state is not reset
|
1092 | (e.g. the past names map of a HTMLFormElement), this is safe
|
1093 | in theory but we would rather not risk another attack vector.
|
1094 | The state that is cloned by importNode() is explicitly defined
|
1095 | by the specs.
|
1096 | */
|
1097 | returnNode = importNode.call(originalDocument, returnNode, true);
|
1098 | }
|
1099 |
|
1100 | return returnNode;
|
1101 | }
|
1102 |
|
1103 | var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML;
|
1104 |
|
1105 | /* Sanitize final string template-safe */
|
1106 | if (SAFE_FOR_TEMPLATES) {
|
1107 | serializedHTML = stringReplace(serializedHTML, MUSTACHE_EXPR$$1, ' ');
|
1108 | serializedHTML = stringReplace(serializedHTML, ERB_EXPR$$1, ' ');
|
1109 | }
|
1110 |
|
1111 | return trustedTypesPolicy && RETURN_TRUSTED_TYPE ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML;
|
1112 | };
|
1113 |
|
1114 | /**
|
1115 | * Public method to set the configuration once
|
1116 | * setConfig
|
1117 | *
|
1118 | * @param {Object} cfg configuration object
|
1119 | */
|
1120 | DOMPurify.setConfig = function (cfg) {
|
1121 | _parseConfig(cfg);
|
1122 | SET_CONFIG = true;
|
1123 | };
|
1124 |
|
1125 | /**
|
1126 | * Public method to remove the configuration
|
1127 | * clearConfig
|
1128 | *
|
1129 | */
|
1130 | DOMPurify.clearConfig = function () {
|
1131 | CONFIG = null;
|
1132 | SET_CONFIG = false;
|
1133 | };
|
1134 |
|
1135 | /**
|
1136 | * Public method to check if an attribute value is valid.
|
1137 | * Uses last set config, if any. Otherwise, uses config defaults.
|
1138 | * isValidAttribute
|
1139 | *
|
1140 | * @param {string} tag Tag name of containing element.
|
1141 | * @param {string} attr Attribute name.
|
1142 | * @param {string} value Attribute value.
|
1143 | * @return {Boolean} Returns true if `value` is valid. Otherwise, returns false.
|
1144 | */
|
1145 | DOMPurify.isValidAttribute = function (tag, attr, value) {
|
1146 | /* Initialize shared config vars if necessary. */
|
1147 | if (!CONFIG) {
|
1148 | _parseConfig({});
|
1149 | }
|
1150 |
|
1151 | var lcTag = stringToLowerCase(tag);
|
1152 | var lcName = stringToLowerCase(attr);
|
1153 | return _isValidAttribute(lcTag, lcName, value);
|
1154 | };
|
1155 |
|
1156 | /**
|
1157 | * AddHook
|
1158 | * Public method to add DOMPurify hooks
|
1159 | *
|
1160 | * @param {String} entryPoint entry point for the hook to add
|
1161 | * @param {Function} hookFunction function to execute
|
1162 | */
|
1163 | DOMPurify.addHook = function (entryPoint, hookFunction) {
|
1164 | if (typeof hookFunction !== 'function') {
|
1165 | return;
|
1166 | }
|
1167 |
|
1168 | hooks[entryPoint] = hooks[entryPoint] || [];
|
1169 | arrayPush(hooks[entryPoint], hookFunction);
|
1170 | };
|
1171 |
|
1172 | /**
|
1173 | * RemoveHook
|
1174 | * Public method to remove a DOMPurify hook at a given entryPoint
|
1175 | * (pops it from the stack of hooks if more are present)
|
1176 | *
|
1177 | * @param {String} entryPoint entry point for the hook to remove
|
1178 | */
|
1179 | DOMPurify.removeHook = function (entryPoint) {
|
1180 | if (hooks[entryPoint]) {
|
1181 | arrayPop(hooks[entryPoint]);
|
1182 | }
|
1183 | };
|
1184 |
|
1185 | /**
|
1186 | * RemoveHooks
|
1187 | * Public method to remove all DOMPurify hooks at a given entryPoint
|
1188 | *
|
1189 | * @param {String} entryPoint entry point for the hooks to remove
|
1190 | */
|
1191 | DOMPurify.removeHooks = function (entryPoint) {
|
1192 | if (hooks[entryPoint]) {
|
1193 | hooks[entryPoint] = [];
|
1194 | }
|
1195 | };
|
1196 |
|
1197 | /**
|
1198 | * RemoveAllHooks
|
1199 | * Public method to remove all DOMPurify hooks
|
1200 | *
|
1201 | */
|
1202 | DOMPurify.removeAllHooks = function () {
|
1203 | hooks = {};
|
1204 | };
|
1205 |
|
1206 | return DOMPurify;
|
1207 | }
|
1208 |
|
1209 | var purify = createDOMPurify();
|
1210 |
|
1211 | module.exports = purify;
|
1212 | //# sourceMappingURL=purify.cjs.js.map
|
1213 |
|
\ | No newline at end of file |