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Diffstat (limited to 'ecomp-portal-FE-common/client/bower_components_external/utils/purify.js')
| -rw-r--r-- | ecomp-portal-FE-common/client/bower_components_external/utils/purify.js | 1131 |
1 files changed, 1131 insertions, 0 deletions
diff --git a/ecomp-portal-FE-common/client/bower_components_external/utils/purify.js b/ecomp-portal-FE-common/client/bower_components_external/utils/purify.js new file mode 100644 index 00000000..8627b977 --- /dev/null +++ b/ecomp-portal-FE-common/client/bower_components_external/utils/purify.js @@ -0,0 +1,1131 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.DOMPurify = factory()); +}(this, (function () { 'use strict'; + +var freeze$1 = Object.freeze || function (x) { + return x; +}; + +var html = freeze$1(['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', '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']); + +// SVG +var svg = freeze$1(['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']); + +var svgFilters = freeze$1(['feBlend', 'feColorMatrix', 'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR', 'feGaussianBlur', 'feMerge', 'feMergeNode', 'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile', 'feTurbulence']); + +var mathMl = freeze$1(['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']); + +var text = freeze$1(['#text']); + +var freeze$2 = Object.freeze || function (x) { + return x; +}; + +var html$1 = freeze$2(['accept', 'action', 'align', 'alt', 'autocomplete', 'background', 'bgcolor', 'border', 'cellpadding', 'cellspacing', 'checked', 'cite', 'class', 'clear', 'color', 'cols', 'colspan', 'coords', 'crossorigin', 'datetime', 'default', 'dir', 'disabled', 'download', 'enctype', 'face', 'for', 'headers', 'height', 'hidden', 'high', 'href', 'hreflang', 'id', 'integrity', 'ismap', 'label', 'lang', 'list', 'loop', 'low', 'max', 'maxlength', 'media', 'method', 'min', 'multiple', 'name', 'noshade', 'novalidate', 'nowrap', 'open', 'optimum', 'pattern', 'placeholder', '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', 'type', 'usemap', 'valign', 'value', 'width', 'xmlns']); + +var svg$1 = freeze$2(['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', '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', 'r', 'rx', 'ry', 'radius', 'refx', 'refy', 'repeatcount', 'repeatdur', 'restart', 'result', 'rotate', 'scale', 'seed', 'shape-rendering', 'specularconstant', 'specularexponent', 'spreadmethod', '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', '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']); + +var mathMl$1 = freeze$2(['accent', 'accentunder', 'align', 'bevelled', 'close', 'columnsalign', 'columnlines', 'columnspan', 'denomalign', 'depth', 'dir', 'display', 'displaystyle', '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']); + +var xml = freeze$2(['xlink:href', 'xml:id', 'xlink:title', 'xml:space', 'xmlns:xlink']); + +var hasOwnProperty = Object.hasOwnProperty; +var setPrototypeOf = Object.setPrototypeOf; + +var _ref$1 = typeof Reflect !== 'undefined' && Reflect; +var apply$1 = _ref$1.apply; + +if (!apply$1) { + apply$1 = function apply(fun, thisValue, args) { + return fun.apply(thisValue, args); + }; +} + +/* Add properties to a lookup table */ +function addToSet(set, array) { + if (setPrototypeOf) { + // Make 'in' and truthy checks like Boolean(set.constructor) + // independent of any properties defined on Object.prototype. + // Prevent prototype setters from intercepting set as a this value. + setPrototypeOf(set, null); + } + var l = array.length; + while (l--) { + var element = array[l]; + if (typeof element === 'string') { + var lcElement = element.toLowerCase(); + if (lcElement !== element) { + array[l] = lcElement; + element = lcElement; + } + } + set[element] = true; + } + return set; +} + +/* Shallow clone an object */ +function clone(object) { + var newObject = {}; + var property = void 0; + for (property in object) { + if (apply$1(hasOwnProperty, object, [property])) { + newObject[property] = object[property]; + } + } + return newObject; +} + +var seal = Object.seal || function (x) { + return x; +}; + +var MUSTACHE_EXPR = seal(/\{\{[\s\S]*|[\s\S]*\}\}/gm); // Specify template detection regex for SAFE_FOR_TEMPLATES mode +var ERB_EXPR = seal(/<%[\s\S]*|[\s\S]*%>/gm); +var DATA_ATTR = seal(/^data-[\-\w.\u00B7-\uFFFF]/); // eslint-disable-line no-useless-escape +var ARIA_ATTR = seal(/^aria-[\-\w]+$/); // eslint-disable-line no-useless-escape +var IS_ALLOWED_URI = seal(/^(?:(?:(?:f|ht)tps?|mailto|tel|callto|cid|xmpp):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i // eslint-disable-line no-useless-escape +); +var IS_SCRIPT_OR_DATA = seal(/^(?:\w+script|data):/i); +var ATTR_WHITESPACE = seal(/[\u0000-\u0020\u00A0\u1680\u180E\u2000-\u2029\u205f\u3000]/g // eslint-disable-line no-control-regex +); + +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; }; + +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); } } + +var _ref = typeof Reflect !== 'undefined' && Reflect; +var apply = _ref.apply; + +var arraySlice = Array.prototype.slice; +var freeze = Object.freeze; + +var getGlobal = function getGlobal() { + return typeof window === 'undefined' ? null : window; +}; + +if (!apply) { + apply = function apply(fun, thisValue, args) { + return fun.apply(thisValue, args); + }; +} + +/** + * Creates a no-op policy for internal use only. + * Don't export this function outside this module! + * @param {?TrustedTypePolicyFactory} trustedTypes The policy factory. + * @param {Document} document The document object (to determine policy name suffix) + * @return {?TrustedTypePolicy} The policy created (or null, if Trusted Types + * are not supported). + */ +var _createTrustedTypesPolicy = function _createTrustedTypesPolicy(trustedTypes, document) { + if ((typeof trustedTypes === 'undefined' ? 'undefined' : _typeof(trustedTypes)) !== 'object' || typeof trustedTypes.createPolicy !== 'function') { + return null; + } + + // Allow the callers to control the unique policy name + // by adding a data-tt-policy-suffix to the script element with the DOMPurify. + // Policy creation with duplicate names throws in Trusted Types. + var suffix = null; + var ATTR_NAME = 'data-tt-policy-suffix'; + if (document.currentScript && document.currentScript.hasAttribute(ATTR_NAME)) { + suffix = document.currentScript.getAttribute(ATTR_NAME); + } + + var policyName = 'dompurify' + (suffix ? '#' + suffix : ''); + + try { + return trustedTypes.createPolicy(policyName, { + createHTML: function createHTML(html$$1) { + return html$$1; + } + }); + } catch (e) { + // Policy creation failed (most likely another DOMPurify script has + // already run). Skip creating the policy, as this will only cause errors + // if TT are enforced. + console.warn('TrustedTypes policy ' + policyName + ' could not be created.'); + return null; + } +}; + +function createDOMPurify() { + var window = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getGlobal(); + + var DOMPurify = function DOMPurify(root) { + return createDOMPurify(root); + }; + + /** + * Version label, exposed for easier checks + * if DOMPurify is up to date or not + */ + DOMPurify.version = '1.0.8'; + + /** + * Array of elements that DOMPurify removed during sanitation. + * Empty if nothing was removed. + */ + DOMPurify.removed = []; + + if (!window || !window.document || window.document.nodeType !== 9) { + // Not running in a browser, provide a factory function + // so that you can pass your own Window + DOMPurify.isSupported = false; + + return DOMPurify; + } + + var originalDocument = window.document; + var useDOMParser = false; + var removeTitle = false; + + var document = window.document; + var DocumentFragment = window.DocumentFragment, + HTMLTemplateElement = window.HTMLTemplateElement, + Node = window.Node, + NodeFilter = window.NodeFilter, + _window$NamedNodeMap = window.NamedNodeMap, + NamedNodeMap = _window$NamedNodeMap === undefined ? window.NamedNodeMap || window.MozNamedAttrMap : _window$NamedNodeMap, + Text = window.Text, + Comment = window.Comment, + DOMParser = window.DOMParser, + TrustedTypes = window.TrustedTypes; + + // As per issue #47, the web-components registry is inherited by a + // new document created via createHTMLDocument. As per the spec + // (http://w3c.github.io/webcomponents/spec/custom/#creating-and-passing-registries) + // a new empty registry is used when creating a template contents owner + // document, so we use that as our parent document to ensure nothing + // is inherited. + + if (typeof HTMLTemplateElement === 'function') { + var template = document.createElement('template'); + if (template.content && template.content.ownerDocument) { + document = template.content.ownerDocument; + } + } + + var trustedTypesPolicy = _createTrustedTypesPolicy(TrustedTypes, originalDocument); + var emptyHTML = trustedTypesPolicy ? trustedTypesPolicy.createHTML('') : ''; + + var _document = document, + implementation = _document.implementation, + createNodeIterator = _document.createNodeIterator, + getElementsByTagName = _document.getElementsByTagName, + createDocumentFragment = _document.createDocumentFragment; + var importNode = originalDocument.importNode; + + + var hooks = {}; + + /** + * Expose whether this browser supports running the full DOMPurify. + */ + DOMPurify.isSupported = implementation && typeof implementation.createHTMLDocument !== 'undefined' && document.documentMode !== 9; + + var MUSTACHE_EXPR$$1 = MUSTACHE_EXPR, + ERB_EXPR$$1 = ERB_EXPR, + DATA_ATTR$$1 = DATA_ATTR, + ARIA_ATTR$$1 = ARIA_ATTR, + IS_SCRIPT_OR_DATA$$1 = IS_SCRIPT_OR_DATA, + ATTR_WHITESPACE$$1 = ATTR_WHITESPACE; + var IS_ALLOWED_URI$$1 = IS_ALLOWED_URI; + /** + * We consider the elements and attributes below to be safe. Ideally + * don't add any new ones but feel free to remove unwanted ones. + */ + + /* allowed element names */ + + var ALLOWED_TAGS = null; + var DEFAULT_ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray(html), _toConsumableArray(svg), _toConsumableArray(svgFilters), _toConsumableArray(mathMl), _toConsumableArray(text))); + + /* Allowed attribute names */ + var ALLOWED_ATTR = null; + var DEFAULT_ALLOWED_ATTR = addToSet({}, [].concat(_toConsumableArray(html$1), _toConsumableArray(svg$1), _toConsumableArray(mathMl$1), _toConsumableArray(xml))); + + /* Explicitly forbidden tags (overrides ALLOWED_TAGS/ADD_TAGS) */ + var FORBID_TAGS = null; + + /* Explicitly forbidden attributes (overrides ALLOWED_ATTR/ADD_ATTR) */ + var FORBID_ATTR = null; + + /* Decide if ARIA attributes are okay */ + var ALLOW_ARIA_ATTR = true; + + /* Decide if custom data attributes are okay */ + var ALLOW_DATA_ATTR = true; + + /* Decide if unknown protocols are okay */ + var ALLOW_UNKNOWN_PROTOCOLS = false; + + /* Output should be safe for jQuery's $() factory? */ + var SAFE_FOR_JQUERY = false; + + /* Output should be safe for common template engines. + * This means, DOMPurify removes data attributes, mustaches and ERB + */ + var SAFE_FOR_TEMPLATES = false; + + /* Decide if document with <html>... should be returned */ + var WHOLE_DOCUMENT = false; + + /* Track whether config is already set on this instance of DOMPurify. */ + var SET_CONFIG = false; + + /* Decide if all elements (e.g. style, script) must be children of + * document.body. By default, browsers might move them to document.head */ + var FORCE_BODY = false; + + /* Decide if a DOM `HTMLBodyElement` should be returned, instead of a html + * string (or a TrustedHTML object if Trusted Types are supported). + * If `WHOLE_DOCUMENT` is enabled a `HTMLHtmlElement` will be returned instead + */ + var RETURN_DOM = false; + + /* Decide if a DOM `DocumentFragment` should be returned, instead of a html + * string (or a TrustedHTML object if Trusted Types are supported) */ + var RETURN_DOM_FRAGMENT = false; + + /* If `RETURN_DOM` or `RETURN_DOM_FRAGMENT` is enabled, decide if the returned DOM + * `Node` is imported into the current `Document`. If this flag is not enabled the + * `Node` will belong (its ownerDocument) to a fresh `HTMLDocument`, created by + * DOMPurify. */ + var RETURN_DOM_IMPORT = false; + + /* Output should be free from DOM clobbering attacks? */ + var SANITIZE_DOM = true; + + /* Keep element content when removing element? */ + var KEEP_CONTENT = true; + + /* If a `Node` is passed to sanitize(), then performs sanitization in-place instead + * of importing it into a new Document and returning a sanitized copy */ + var IN_PLACE = false; + + /* Allow usage of profiles like html, svg and mathMl */ + var USE_PROFILES = {}; + + /* Tags to ignore content of when KEEP_CONTENT is true */ + var FORBID_CONTENTS = addToSet({}, ['audio', 'head', 'math', 'script', 'style', 'template', 'svg', 'video']); + + /* Tags that are safe for data: URIs */ + var DATA_URI_TAGS = addToSet({}, ['audio', 'video', 'img', 'source', 'image']); + + /* Attributes safe for values like "javascript:" */ + var URI_SAFE_ATTRIBUTES = addToSet({}, ['alt', 'class', 'for', 'id', 'label', 'name', 'pattern', 'placeholder', 'summary', 'title', 'value', 'style', 'xmlns']); + + /* Keep a reference to config to pass to hooks */ + var CONFIG = null; + + /* Ideally, do not touch anything below this line */ + /* ______________________________________________ */ + + var formElement = document.createElement('form'); + + /** + * _parseConfig + * + * @param {Object} cfg optional config literal + */ + // eslint-disable-next-line complexity + var _parseConfig = function _parseConfig(cfg) { + if (CONFIG && CONFIG === cfg) { + return; + } + + /* Shield configuration object from tampering */ + if (!cfg || (typeof cfg === 'undefined' ? 'undefined' : _typeof(cfg)) !== 'object') { + cfg = {}; + } + /* Set configuration parameters */ + ALLOWED_TAGS = 'ALLOWED_TAGS' in cfg ? addToSet({}, cfg.ALLOWED_TAGS) : DEFAULT_ALLOWED_TAGS; + ALLOWED_ATTR = 'ALLOWED_ATTR' in cfg ? addToSet({}, cfg.ALLOWED_ATTR) : DEFAULT_ALLOWED_ATTR; + FORBID_TAGS = 'FORBID_TAGS' in cfg ? addToSet({}, cfg.FORBID_TAGS) : {}; + FORBID_ATTR = 'FORBID_ATTR' in cfg ? addToSet({}, cfg.FORBID_ATTR) : {}; + USE_PROFILES = 'USE_PROFILES' in cfg ? cfg.USE_PROFILES : false; + ALLOW_ARIA_ATTR = cfg.ALLOW_ARIA_ATTR !== false; // Default true + ALLOW_DATA_ATTR = cfg.ALLOW_DATA_ATTR !== false; // Default true + ALLOW_UNKNOWN_PROTOCOLS = cfg.ALLOW_UNKNOWN_PROTOCOLS || false; // Default false + SAFE_FOR_JQUERY = cfg.SAFE_FOR_JQUERY || false; // Default false + SAFE_FOR_TEMPLATES = cfg.SAFE_FOR_TEMPLATES || false; // Default false + WHOLE_DOCUMENT = cfg.WHOLE_DOCUMENT || false; // Default false + RETURN_DOM = cfg.RETURN_DOM || false; // Default false + RETURN_DOM_FRAGMENT = cfg.RETURN_DOM_FRAGMENT || false; // Default false + RETURN_DOM_IMPORT = cfg.RETURN_DOM_IMPORT || false; // Default false + FORCE_BODY = cfg.FORCE_BODY || false; // Default false + SANITIZE_DOM = cfg.SANITIZE_DOM !== false; // Default true + KEEP_CONTENT = cfg.KEEP_CONTENT !== false; // Default true + IN_PLACE = cfg.IN_PLACE || false; // Default false + + IS_ALLOWED_URI$$1 = cfg.ALLOWED_URI_REGEXP || IS_ALLOWED_URI$$1; + + if (SAFE_FOR_TEMPLATES) { + ALLOW_DATA_ATTR = false; + } + + if (RETURN_DOM_FRAGMENT) { + RETURN_DOM = true; + } + + /* Parse profile info */ + if (USE_PROFILES) { + ALLOWED_TAGS = addToSet({}, [].concat(_toConsumableArray(text))); + ALLOWED_ATTR = []; + if (USE_PROFILES.html === true) { + addToSet(ALLOWED_TAGS, html); + addToSet(ALLOWED_ATTR, html$1); + } + if (USE_PROFILES.svg === true) { + addToSet(ALLOWED_TAGS, svg); + addToSet(ALLOWED_ATTR, svg$1); + addToSet(ALLOWED_ATTR, xml); + } + if (USE_PROFILES.svgFilters === true) { + addToSet(ALLOWED_TAGS, svgFilters); + addToSet(ALLOWED_ATTR, svg$1); + addToSet(ALLOWED_ATTR, xml); + } + if (USE_PROFILES.mathMl === true) { + addToSet(ALLOWED_TAGS, mathMl); + addToSet(ALLOWED_ATTR, mathMl$1); + addToSet(ALLOWED_ATTR, xml); + } + } + + /* Merge configuration parameters */ + if (cfg.ADD_TAGS) { + if (ALLOWED_TAGS === DEFAULT_ALLOWED_TAGS) { + ALLOWED_TAGS = clone(ALLOWED_TAGS); + } + addToSet(ALLOWED_TAGS, cfg.ADD_TAGS); + } + if (cfg.ADD_ATTR) { + if (ALLOWED_ATTR === DEFAULT_ALLOWED_ATTR) { + ALLOWED_ATTR = clone(ALLOWED_ATTR); + } + addToSet(ALLOWED_ATTR, cfg.ADD_ATTR); + } + if (cfg.ADD_URI_SAFE_ATTR) { + addToSet(URI_SAFE_ATTRIBUTES, cfg.ADD_URI_SAFE_ATTR); + } + + /* Add #text in case KEEP_CONTENT is set to true */ + if (KEEP_CONTENT) { + ALLOWED_TAGS['#text'] = true; + } + + /* Add html, head and body to ALLOWED_TAGS in case WHOLE_DOCUMENT is true */ + if (WHOLE_DOCUMENT) { + addToSet(ALLOWED_TAGS, ['html', 'head', 'body']); + } + + /* Add tbody to ALLOWED_TAGS in case tables are permitted, see #286 */ + if (ALLOWED_TAGS.table) { + addToSet(ALLOWED_TAGS, ['tbody']); + } + + // Prevent further manipulation of configuration. + // Not available in IE8, Safari 5, etc. + if (freeze) { + freeze(cfg); + } + + CONFIG = cfg; + }; + + /** + * _forceRemove + * + * @param {Node} node a DOM node + */ + var _forceRemove = function _forceRemove(node) { + DOMPurify.removed.push({ element: node }); + try { + node.parentNode.removeChild(node); + } catch (err) { + node.outerHTML = emptyHTML; + } + }; + + /** + * _removeAttribute + * + * @param {String} name an Attribute name + * @param {Node} node a DOM node + */ + var _removeAttribute = function _removeAttribute(name, node) { + try { + DOMPurify.removed.push({ + attribute: node.getAttributeNode(name), + from: node + }); + } catch (err) { + DOMPurify.removed.push({ + attribute: null, + from: node + }); + } + node.removeAttribute(name); + }; + + /** + * _initDocument + * + * @param {String} dirty a string of dirty markup + * @return {Document} a DOM, filled with the dirty markup + */ + var _initDocument = function _initDocument(dirty) { + /* Create a HTML document */ + var doc = void 0; + var leadingWhitespace = void 0; + + if (FORCE_BODY) { + dirty = '<remove></remove>' + dirty; + } else { + /* If FORCE_BODY isn't used, leading whitespace needs to be preserved manually */ + var matches = dirty.match(/^[\s]+/); + leadingWhitespace = matches && matches[0]; + if (leadingWhitespace) { + dirty = dirty.slice(leadingWhitespace.length); + } + } + + /* Use DOMParser to workaround Firefox bug (see comment below) */ + if (useDOMParser) { + try { + doc = new DOMParser().parseFromString(dirty, 'text/html'); + } catch (err) {} + } + + /* Remove title to fix a mXSS bug in older MS Edge */ + if (removeTitle) { + addToSet(FORBID_TAGS, ['title']); + } + + /* Otherwise use createHTMLDocument, because DOMParser is unsafe in + Safari (see comment below) */ + if (!doc || !doc.documentElement) { + doc = implementation.createHTMLDocument(''); + var _doc = doc, + body = _doc.body; + + body.parentNode.removeChild(body.parentNode.firstElementChild); + body.outerHTML = trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty; + } + + if (leadingWhitespace) { + doc.body.insertBefore(document.createTextNode(leadingWhitespace), doc.body.childNodes[0] || null); + } + + /* Work on whole document or just its body */ + return getElementsByTagName.call(doc, WHOLE_DOCUMENT ? 'html' : 'body')[0]; + }; + + // Firefox uses a different parser for innerHTML rather than + // DOMParser (see https://bugzilla.mozilla.org/show_bug.cgi?id=1205631) + // which means that you *must* use DOMParser, otherwise the output may + // not be safe if used in a document.write context later. + // + // So we feature detect the Firefox bug and use the DOMParser if necessary. + // + // MS Edge, in older versions, is affected by an mXSS behavior. The second + // check tests for the behavior and fixes it if necessary. + if (DOMPurify.isSupported) { + (function () { + try { + var doc = _initDocument('<svg><p><style><img src="</style><img src=x onerror=alert(1)//">'); + if (doc.querySelector('svg img')) { + useDOMParser = true; + } + } catch (err) {} + })(); + (function () { + try { + var doc = _initDocument('<x/><title></title><img>'); + if (doc.querySelector('title').innerHTML.match(/<\/title/)) { + removeTitle = true; + } + } catch (err) {} + })(); + } + + /** + * _createIterator + * + * @param {Document} root document/fragment to create iterator for + * @return {Iterator} iterator instance + */ + var _createIterator = function _createIterator(root) { + return createNodeIterator.call(root.ownerDocument || root, root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_COMMENT | NodeFilter.SHOW_TEXT, function () { + return NodeFilter.FILTER_ACCEPT; + }, false); + }; + + /** + * _isClobbered + * + * @param {Node} elm element to check for clobbering attacks + * @return {Boolean} true if clobbered, false if safe + */ + var _isClobbered = function _isClobbered(elm) { + if (elm instanceof Text || elm instanceof Comment) { + return false; + } + 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') { + return true; + } + return false; + }; + + /** + * _isNode + * + * @param {Node} obj object to check whether it's a DOM node + * @return {Boolean} true is object is a DOM node + */ + var _isNode = function _isNode(obj) { + return (typeof Node === 'undefined' ? 'undefined' : _typeof(Node)) === 'object' ? obj instanceof Node : obj && (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object' && typeof obj.nodeType === 'number' && typeof obj.nodeName === 'string'; + }; + + /** + * _executeHook + * Execute user configurable hooks + * + * @param {String} entryPoint Name of the hook's entry point + * @param {Node} currentNode node to work on with the hook + * @param {Object} data additional hook parameters + */ + var _executeHook = function _executeHook(entryPoint, currentNode, data) { + if (!hooks[entryPoint]) { + return; + } + + hooks[entryPoint].forEach(function (hook) { + hook.call(DOMPurify, currentNode, data, CONFIG); + }); + }; + + /** + * _sanitizeElements + * + * @protect nodeName + * @protect textContent + * @protect removeChild + * + * @param {Node} currentNode to check for permission to exist + * @return {Boolean} true if node was killed, false if left alive + */ + var _sanitizeElements = function _sanitizeElements(currentNode) { + var content = void 0; + + /* Execute a hook if present */ + _executeHook('beforeSanitizeElements', currentNode, null); + + /* Check if element is clobbered or can clobber */ + if (_isClobbered(currentNode)) { + _forceRemove(currentNode); + return true; + } + + /* Now let's check the element's type and name */ + var tagName = currentNode.nodeName.toLowerCase(); + + /* Execute a hook if present */ + _executeHook('uponSanitizeElement', currentNode, { + tagName: tagName, + allowedTags: ALLOWED_TAGS + }); + + /* Remove element if anything forbids its presence */ + if (!ALLOWED_TAGS[tagName] || FORBID_TAGS[tagName]) { + /* Keep content except for black-listed elements */ + if (KEEP_CONTENT && !FORBID_CONTENTS[tagName] && typeof currentNode.insertAdjacentHTML === 'function') { + try { + var htmlToInsert = currentNode.innerHTML; + currentNode.insertAdjacentHTML('AfterEnd', trustedTypesPolicy ? trustedTypesPolicy.createHTML(htmlToInsert) : htmlToInsert); + } catch (err) {} + } + _forceRemove(currentNode); + return true; + } + + /* Convert markup to cover jQuery behavior */ + if (SAFE_FOR_JQUERY && !currentNode.firstElementChild && (!currentNode.content || !currentNode.content.firstElementChild) && /</g.test(currentNode.textContent)) { + DOMPurify.removed.push({ element: currentNode.cloneNode() }); + if (currentNode.innerHTML) { + currentNode.innerHTML = currentNode.innerHTML.replace(/</g, '<'); + } else { + currentNode.innerHTML = currentNode.textContent.replace(/</g, '<'); + } + } + + /* Sanitize element content to be template-safe */ + if (SAFE_FOR_TEMPLATES && currentNode.nodeType === 3) { + /* Get the element's text content */ + content = currentNode.textContent; + content = content.replace(MUSTACHE_EXPR$$1, ' '); + content = content.replace(ERB_EXPR$$1, ' '); + if (currentNode.textContent !== content) { + DOMPurify.removed.push({ element: currentNode.cloneNode() }); + currentNode.textContent = content; + } + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeElements', currentNode, null); + + return false; + }; + + /** + * _isValidAttribute + * + * @param {string} lcTag Lowercase tag name of containing element. + * @param {string} lcName Lowercase attribute name. + * @param {string} value Attribute value. + * @return {Boolean} Returns true if `value` is valid, otherwise false. + */ + var _isValidAttribute = function _isValidAttribute(lcTag, lcName, value) { + /* Make sure attribute cannot clobber */ + if (SANITIZE_DOM && (lcName === 'id' || lcName === 'name') && (value in document || value in formElement)) { + return false; + } + + /* Sanitize attribute content to be template-safe */ + if (SAFE_FOR_TEMPLATES) { + value = value.replace(MUSTACHE_EXPR$$1, ' '); + value = value.replace(ERB_EXPR$$1, ' '); + } + + /* Allow valid data-* attributes: At least one character after "-" + (https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes) + XML-compatible (https://html.spec.whatwg.org/multipage/infrastructure.html#xml-compatible and http://www.w3.org/TR/xml/#d0e804) + We don't need to check the value; it's always URI safe. */ + if (ALLOW_DATA_ATTR && DATA_ATTR$$1.test(lcName)) { + // This attribute is safe + } else if (ALLOW_ARIA_ATTR && ARIA_ATTR$$1.test(lcName)) { + // This attribute is safe + /* Otherwise, check the name is permitted */ + } else if (!ALLOWED_ATTR[lcName] || FORBID_ATTR[lcName]) { + return false; + + /* Check value is safe. First, is attr inert? If so, is safe */ + } else if (URI_SAFE_ATTRIBUTES[lcName]) { + // This attribute is safe + /* Check no script, data or unknown possibly unsafe URI + unless we know URI values are safe for that attribute */ + } else if (IS_ALLOWED_URI$$1.test(value.replace(ATTR_WHITESPACE$$1, ''))) { + // This attribute is safe + /* Keep image data URIs alive if src/xlink:href is allowed */ + /* Further prevent gadget XSS for dynamically built script tags */ + } else if ((lcName === 'src' || lcName === 'xlink:href') && lcTag !== 'script' && value.indexOf('data:') === 0 && DATA_URI_TAGS[lcTag]) { + // This attribute is safe + /* Allow unknown protocols: This provides support for links that + are handled by protocol handlers which may be unknown ahead of + time, e.g. fb:, spotify: */ + } else if (ALLOW_UNKNOWN_PROTOCOLS && !IS_SCRIPT_OR_DATA$$1.test(value.replace(ATTR_WHITESPACE$$1, ''))) { + // This attribute is safe + /* Check for binary attributes */ + // eslint-disable-next-line no-negated-condition + } else if (!value) { + // Binary attributes are safe at this point + /* Anything else, presume unsafe, do not add it back */ + } else { + return false; + } + return true; + }; + + /** + * _sanitizeAttributes + * + * @protect attributes + * @protect nodeName + * @protect removeAttribute + * @protect setAttribute + * + * @param {Node} node to sanitize + */ + // eslint-disable-next-line complexity + var _sanitizeAttributes = function _sanitizeAttributes(currentNode) { + var attr = void 0; + var value = void 0; + var lcName = void 0; + var idAttr = void 0; + var l = void 0; + /* Execute a hook if present */ + _executeHook('beforeSanitizeAttributes', currentNode, null); + + var attributes = currentNode.attributes; + + /* Check if we have attributes; if not we might have a text node */ + + if (!attributes) { + return; + } + + var hookEvent = { + attrName: '', + attrValue: '', + keepAttr: true, + allowedAttributes: ALLOWED_ATTR + }; + l = attributes.length; + + /* Go backwards over all attributes; safely remove bad ones */ + while (l--) { + attr = attributes[l]; + var _attr = attr, + name = _attr.name, + namespaceURI = _attr.namespaceURI; + + value = attr.value.trim(); + lcName = name.toLowerCase(); + + /* Execute a hook if present */ + hookEvent.attrName = lcName; + hookEvent.attrValue = value; + hookEvent.keepAttr = true; + _executeHook('uponSanitizeAttribute', currentNode, hookEvent); + value = hookEvent.attrValue; + + /* Remove attribute */ + // Safari (iOS + Mac), last tested v8.0.5, crashes if you try to + // remove a "name" attribute from an <img> tag that has an "id" + // attribute at the time. + if (lcName === 'name' && currentNode.nodeName === 'IMG' && attributes.id) { + idAttr = attributes.id; + attributes = apply(arraySlice, attributes, []); + _removeAttribute('id', currentNode); + _removeAttribute(name, currentNode); + if (attributes.indexOf(idAttr) > l) { + currentNode.setAttribute('id', idAttr.value); + } + } else if ( + // This works around a bug in Safari, where input[type=file] + // cannot be dynamically set after type has been removed + currentNode.nodeName === 'INPUT' && lcName === 'type' && value === 'file' && (ALLOWED_ATTR[lcName] || !FORBID_ATTR[lcName])) { + continue; + } else { + // This avoids a crash in Safari v9.0 with double-ids. + // The trick is to first set the id to be empty and then to + // remove the attribute + if (name === 'id') { + currentNode.setAttribute(name, ''); + } + _removeAttribute(name, currentNode); + } + + /* Did the hooks approve of the attribute? */ + if (!hookEvent.keepAttr) { + continue; + } + + /* Is `value` valid for this attribute? */ + var lcTag = currentNode.nodeName.toLowerCase(); + if (!_isValidAttribute(lcTag, lcName, value)) { + continue; + } + + /* Handle invalid data-* attribute set by try-catching it */ + try { + if (namespaceURI) { + currentNode.setAttributeNS(namespaceURI, name, value); + } else { + /* Fallback to setAttribute() for browser-unrecognized namespaces e.g. "x-schema". */ + currentNode.setAttribute(name, value); + } + DOMPurify.removed.pop(); + } catch (err) {} + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeAttributes', currentNode, null); + }; + + /** + * _sanitizeShadowDOM + * + * @param {DocumentFragment} fragment to iterate over recursively + */ + var _sanitizeShadowDOM = function _sanitizeShadowDOM(fragment) { + var shadowNode = void 0; + var shadowIterator = _createIterator(fragment); + + /* Execute a hook if present */ + _executeHook('beforeSanitizeShadowDOM', fragment, null); + + while (shadowNode = shadowIterator.nextNode()) { + /* Execute a hook if present */ + _executeHook('uponSanitizeShadowNode', shadowNode, null); + + /* Sanitize tags and elements */ + if (_sanitizeElements(shadowNode)) { + continue; + } + + /* Deep shadow DOM detected */ + if (shadowNode.content instanceof DocumentFragment) { + _sanitizeShadowDOM(shadowNode.content); + } + + /* Check attributes, sanitize if necessary */ + _sanitizeAttributes(shadowNode); + } + + /* Execute a hook if present */ + _executeHook('afterSanitizeShadowDOM', fragment, null); + }; + + /** + * Sanitize + * Public method providing core sanitation functionality + * + * @param {String|Node} dirty string or DOM node + * @param {Object} configuration object + */ + // eslint-disable-next-line complexity + DOMPurify.sanitize = function (dirty, cfg) { + var body = void 0; + var importedNode = void 0; + var currentNode = void 0; + var oldNode = void 0; + var returnNode = void 0; + /* Make sure we have a string to sanitize. + DO NOT return early, as this will return the wrong type if + the user has requested a DOM object rather than a string */ + if (!dirty) { + dirty = '<!-->'; + } + + /* Stringify, in case dirty is an object */ + if (typeof dirty !== 'string' && !_isNode(dirty)) { + // eslint-disable-next-line no-negated-condition + if (typeof dirty.toString !== 'function') { + throw new TypeError('toString is not a function'); + } else { + dirty = dirty.toString(); + if (typeof dirty !== 'string') { + throw new TypeError('dirty is not a string, aborting'); + } + } + } + + /* Check we can run. Otherwise fall back or ignore */ + if (!DOMPurify.isSupported) { + if (_typeof(window.toStaticHTML) === 'object' || typeof window.toStaticHTML === 'function') { + if (typeof dirty === 'string') { + return window.toStaticHTML(dirty); + } + if (_isNode(dirty)) { + return window.toStaticHTML(dirty.outerHTML); + } + } + return dirty; + } + + /* Assign config vars */ + if (!SET_CONFIG) { + _parseConfig(cfg); + } + + /* Clean up removed elements */ + DOMPurify.removed = []; + + if (IN_PLACE) { + /* No special handling necessary for in-place sanitization */ + } else if (dirty instanceof Node) { + /* If dirty is a DOM element, append to an empty document to avoid + elements being stripped by the parser */ + body = _initDocument('<!-->'); + importedNode = body.ownerDocument.importNode(dirty, true); + if (importedNode.nodeType === 1 && importedNode.nodeName === 'BODY') { + /* Node is already a body, use as is */ + body = importedNode; + } else { + body.appendChild(importedNode); + } + } else { + /* Exit directly if we have nothing to do */ + if (!RETURN_DOM && !WHOLE_DOCUMENT && dirty.indexOf('<') === -1) { + return trustedTypesPolicy ? trustedTypesPolicy.createHTML(dirty) : dirty; + } + + /* Initialize the document to work on */ + body = _initDocument(dirty); + + /* Check we have a DOM node from the data */ + if (!body) { + return RETURN_DOM ? null : emptyHTML; + } + } + + /* Remove first element node (ours) if FORCE_BODY is set */ + if (body && FORCE_BODY) { + _forceRemove(body.firstChild); + } + + /* Get node iterator */ + var nodeIterator = _createIterator(IN_PLACE ? dirty : body); + + /* Now start iterating over the created document */ + while (currentNode = nodeIterator.nextNode()) { + /* Fix IE's strange behavior with manipulated textNodes #89 */ + if (currentNode.nodeType === 3 && currentNode === oldNode) { + continue; + } + + /* Sanitize tags and elements */ + if (_sanitizeElements(currentNode)) { + continue; + } + + /* Shadow DOM detected, sanitize it */ + if (currentNode.content instanceof DocumentFragment) { + _sanitizeShadowDOM(currentNode.content); + } + + /* Check attributes, sanitize if necessary */ + _sanitizeAttributes(currentNode); + + oldNode = currentNode; + } + + oldNode = null; + + /* If we sanitized `dirty` in-place, return it. */ + if (IN_PLACE) { + return dirty; + } + + /* Return sanitized string or DOM */ + if (RETURN_DOM) { + if (RETURN_DOM_FRAGMENT) { + returnNode = createDocumentFragment.call(body.ownerDocument); + + while (body.firstChild) { + returnNode.appendChild(body.firstChild); + } + } else { + returnNode = body; + } + + if (RETURN_DOM_IMPORT) { + /* AdoptNode() is not used because internal state is not reset + (e.g. the past names map of a HTMLFormElement), this is safe + in theory but we would rather not risk another attack vector. + The state that is cloned by importNode() is explicitly defined + by the specs. */ + returnNode = importNode.call(originalDocument, returnNode, true); + } + + return returnNode; + } + + var serializedHTML = WHOLE_DOCUMENT ? body.outerHTML : body.innerHTML; + return trustedTypesPolicy ? trustedTypesPolicy.createHTML(serializedHTML) : serializedHTML; + }; + + /** + * Public method to set the configuration once + * setConfig + * + * @param {Object} cfg configuration object + */ + DOMPurify.setConfig = function (cfg) { + _parseConfig(cfg); + SET_CONFIG = true; + }; + + /** + * Public method to remove the configuration + * clearConfig + * + */ + DOMPurify.clearConfig = function () { + CONFIG = null; + SET_CONFIG = false; + }; + + /** + * Public method to check if an attribute value is valid. + * Uses last set config, if any. Otherwise, uses config defaults. + * isValidAttribute + * + * @param {string} tag Tag name of containing element. + * @param {string} attr Attribute name. + * @param {string} value Attribute value. + * @return {Boolean} Returns true if `value` is valid. Otherwise, returns false. + */ + DOMPurify.isValidAttribute = function (tag, attr, value) { + /* Initialize shared config vars if necessary. */ + if (!CONFIG) { + _parseConfig({}); + } + var lcTag = tag.toLowerCase(); + var lcName = attr.toLowerCase(); + return _isValidAttribute(lcTag, lcName, value); + }; + + /** + * AddHook + * Public method to add DOMPurify hooks + * + * @param {String} entryPoint entry point for the hook to add + * @param {Function} hookFunction function to execute + */ + DOMPurify.addHook = function (entryPoint, hookFunction) { + if (typeof hookFunction !== 'function') { + return; + } + hooks[entryPoint] = hooks[entryPoint] || []; + hooks[entryPoint].push(hookFunction); + }; + + /** + * RemoveHook + * Public method to remove a DOMPurify hook at a given entryPoint + * (pops it from the stack of hooks if more are present) + * + * @param {String} entryPoint entry point for the hook to remove + */ + DOMPurify.removeHook = function (entryPoint) { + if (hooks[entryPoint]) { + hooks[entryPoint].pop(); + } + }; + + /** + * RemoveHooks + * Public method to remove all DOMPurify hooks at a given entryPoint + * + * @param {String} entryPoint entry point for the hooks to remove + */ + DOMPurify.removeHooks = function (entryPoint) { + if (hooks[entryPoint]) { + hooks[entryPoint] = []; + } + }; + + /** + * RemoveAllHooks + * Public method to remove all DOMPurify hooks + * + */ + DOMPurify.removeAllHooks = function () { + hooks = {}; + }; + + return DOMPurify; +} + +var purify = createDOMPurify(); + +return purify; + +}))); +//# sourceMappingURL=purify.js.map
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