diff options
Diffstat (limited to 'node_modules/xss/dist')
| -rw-r--r-- | node_modules/xss/dist/test.html | 15 | ||||
| -rw-r--r-- | node_modules/xss/dist/xss.js | 1609 | ||||
| -rw-r--r-- | node_modules/xss/dist/xss.min.js | 1 |
3 files changed, 0 insertions, 1625 deletions
diff --git a/node_modules/xss/dist/test.html b/node_modules/xss/dist/test.html deleted file mode 100644 index cae361e..0000000 --- a/node_modules/xss/dist/test.html +++ /dev/null @@ -1,15 +0,0 @@ -<!doctype html> -<html> -<head> - <title>测试</title> - <meta charset="utf8"> -</head> -<body> - <pre id="result"></pre> -</body> -</html> -<script src="xss.js"></script> -<script> -var code = '<script>alert("xss");</' + 'script>'; -document.querySelector('#result').innerText = code + '\n被转换成了\n' + filterXSS(code); -</script>
\ No newline at end of file diff --git a/node_modules/xss/dist/xss.js b/node_modules/xss/dist/xss.js deleted file mode 100644 index 9583a6b..0000000 --- a/node_modules/xss/dist/xss.js +++ /dev/null @@ -1,1609 +0,0 @@ -(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ -/** - * default settings - * - * @author Zongmin Lei<leizongmin@gmail.com> - */ - -var FilterCSS = require("cssfilter").FilterCSS; -var getDefaultCSSWhiteList = require("cssfilter").getDefaultWhiteList; -var _ = require("./util"); - -function getDefaultWhiteList() { - return { - a: ["target", "href", "title"], - abbr: ["title"], - address: [], - area: ["shape", "coords", "href", "alt"], - article: [], - aside: [], - audio: ["autoplay", "controls", "loop", "preload", "src"], - b: [], - bdi: ["dir"], - bdo: ["dir"], - big: [], - blockquote: ["cite"], - br: [], - caption: [], - center: [], - cite: [], - code: [], - col: ["align", "valign", "span", "width"], - colgroup: ["align", "valign", "span", "width"], - dd: [], - del: ["datetime"], - details: ["open"], - div: [], - dl: [], - dt: [], - em: [], - font: ["color", "size", "face"], - footer: [], - h1: [], - h2: [], - h3: [], - h4: [], - h5: [], - h6: [], - header: [], - hr: [], - i: [], - img: ["src", "alt", "title", "width", "height"], - ins: ["datetime"], - li: [], - mark: [], - nav: [], - ol: [], - p: [], - pre: [], - s: [], - section: [], - small: [], - span: [], - sub: [], - sup: [], - strong: [], - table: ["width", "border", "align", "valign"], - tbody: ["align", "valign"], - td: ["width", "rowspan", "colspan", "align", "valign"], - tfoot: ["align", "valign"], - th: ["width", "rowspan", "colspan", "align", "valign"], - thead: ["align", "valign"], - tr: ["rowspan", "align", "valign"], - tt: [], - u: [], - ul: [], - video: ["autoplay", "controls", "loop", "preload", "src", "height", "width"] - }; -} - -var defaultCSSFilter = new FilterCSS(); - -/** - * default onTag function - * - * @param {String} tag - * @param {String} html - * @param {Object} options - * @return {String} - */ -function onTag(tag, html, options) { - // do nothing -} - -/** - * default onIgnoreTag function - * - * @param {String} tag - * @param {String} html - * @param {Object} options - * @return {String} - */ -function onIgnoreTag(tag, html, options) { - // do nothing -} - -/** - * default onTagAttr function - * - * @param {String} tag - * @param {String} name - * @param {String} value - * @return {String} - */ -function onTagAttr(tag, name, value) { - // do nothing -} - -/** - * default onIgnoreTagAttr function - * - * @param {String} tag - * @param {String} name - * @param {String} value - * @return {String} - */ -function onIgnoreTagAttr(tag, name, value) { - // do nothing -} - -/** - * default escapeHtml function - * - * @param {String} html - */ -function escapeHtml(html) { - return html.replace(REGEXP_LT, "<").replace(REGEXP_GT, ">"); -} - -/** - * default safeAttrValue function - * - * @param {String} tag - * @param {String} name - * @param {String} value - * @param {Object} cssFilter - * @return {String} - */ -function safeAttrValue(tag, name, value, cssFilter) { - // unescape attribute value firstly - value = friendlyAttrValue(value); - - if (name === "href" || name === "src") { - // filter `href` and `src` attribute - // only allow the value that starts with `http://` | `https://` | `mailto:` | `/` | `#` - value = _.trim(value); - if (value === "#") return "#"; - if ( - !( - value.substr(0, 7) === "http://" || - value.substr(0, 8) === "https://" || - value.substr(0, 7) === "mailto:" || - value.substr(0, 4) === "tel:" || - value[0] === "#" || - value[0] === "/" - ) - ) { - return ""; - } - } else if (name === "background") { - // filter `background` attribute (maybe no use) - // `javascript:` - REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0; - if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) { - return ""; - } - } else if (name === "style") { - // `expression()` - REGEXP_DEFAULT_ON_TAG_ATTR_7.lastIndex = 0; - if (REGEXP_DEFAULT_ON_TAG_ATTR_7.test(value)) { - return ""; - } - // `url()` - REGEXP_DEFAULT_ON_TAG_ATTR_8.lastIndex = 0; - if (REGEXP_DEFAULT_ON_TAG_ATTR_8.test(value)) { - REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex = 0; - if (REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)) { - return ""; - } - } - if (cssFilter !== false) { - cssFilter = cssFilter || defaultCSSFilter; - value = cssFilter.process(value); - } - } - - // escape `<>"` before returns - value = escapeAttrValue(value); - return value; -} - -// RegExp list -var REGEXP_LT = /</g; -var REGEXP_GT = />/g; -var REGEXP_QUOTE = /"/g; -var REGEXP_QUOTE_2 = /"/g; -var REGEXP_ATTR_VALUE_1 = /&#([a-zA-Z0-9]*);?/gim; -var REGEXP_ATTR_VALUE_COLON = /:?/gim; -var REGEXP_ATTR_VALUE_NEWLINE = /&newline;?/gim; -var REGEXP_DEFAULT_ON_TAG_ATTR_3 = /\/\*|\*\//gm; -var REGEXP_DEFAULT_ON_TAG_ATTR_4 = /((j\s*a\s*v\s*a|v\s*b|l\s*i\s*v\s*e)\s*s\s*c\s*r\s*i\s*p\s*t\s*|m\s*o\s*c\s*h\s*a)\:/gi; -var REGEXP_DEFAULT_ON_TAG_ATTR_5 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:/gi; -var REGEXP_DEFAULT_ON_TAG_ATTR_6 = /^[\s"'`]*(d\s*a\s*t\s*a\s*)\:\s*image\//gi; -var REGEXP_DEFAULT_ON_TAG_ATTR_7 = /e\s*x\s*p\s*r\s*e\s*s\s*s\s*i\s*o\s*n\s*\(.*/gi; -var REGEXP_DEFAULT_ON_TAG_ATTR_8 = /u\s*r\s*l\s*\(.*/gi; - -/** - * escape doube quote - * - * @param {String} str - * @return {String} str - */ -function escapeQuote(str) { - return str.replace(REGEXP_QUOTE, """); -} - -/** - * unescape double quote - * - * @param {String} str - * @return {String} str - */ -function unescapeQuote(str) { - return str.replace(REGEXP_QUOTE_2, '"'); -} - -/** - * escape html entities - * - * @param {String} str - * @return {String} - */ -function escapeHtmlEntities(str) { - return str.replace(REGEXP_ATTR_VALUE_1, function replaceUnicode(str, code) { - return code[0] === "x" || code[0] === "X" - ? String.fromCharCode(parseInt(code.substr(1), 16)) - : String.fromCharCode(parseInt(code, 10)); - }); -} - -/** - * escape html5 new danger entities - * - * @param {String} str - * @return {String} - */ -function escapeDangerHtml5Entities(str) { - return str - .replace(REGEXP_ATTR_VALUE_COLON, ":") - .replace(REGEXP_ATTR_VALUE_NEWLINE, " "); -} - -/** - * clear nonprintable characters - * - * @param {String} str - * @return {String} - */ -function clearNonPrintableCharacter(str) { - var str2 = ""; - for (var i = 0, len = str.length; i < len; i++) { - str2 += str.charCodeAt(i) < 32 ? " " : str.charAt(i); - } - return _.trim(str2); -} - -/** - * get friendly attribute value - * - * @param {String} str - * @return {String} - */ -function friendlyAttrValue(str) { - str = unescapeQuote(str); - str = escapeHtmlEntities(str); - str = escapeDangerHtml5Entities(str); - str = clearNonPrintableCharacter(str); - return str; -} - -/** - * unescape attribute value - * - * @param {String} str - * @return {String} - */ -function escapeAttrValue(str) { - str = escapeQuote(str); - str = escapeHtml(str); - return str; -} - -/** - * `onIgnoreTag` function for removing all the tags that are not in whitelist - */ -function onIgnoreTagStripAll() { - return ""; -} - -/** - * remove tag body - * specify a `tags` list, if the tag is not in the `tags` list then process by the specify function (optional) - * - * @param {array} tags - * @param {function} next - */ -function StripTagBody(tags, next) { - if (typeof next !== "function") { - next = function() {}; - } - - var isRemoveAllTag = !Array.isArray(tags); - function isRemoveTag(tag) { - if (isRemoveAllTag) return true; - return _.indexOf(tags, tag) !== -1; - } - - var removeList = []; - var posStart = false; - - return { - onIgnoreTag: function(tag, html, options) { - if (isRemoveTag(tag)) { - if (options.isClosing) { - var ret = "[/removed]"; - var end = options.position + ret.length; - removeList.push([ - posStart !== false ? posStart : options.position, - end - ]); - posStart = false; - return ret; - } else { - if (!posStart) { - posStart = options.position; - } - return "[removed]"; - } - } else { - return next(tag, html, options); - } - }, - remove: function(html) { - var rethtml = ""; - var lastPos = 0; - _.forEach(removeList, function(pos) { - rethtml += html.slice(lastPos, pos[0]); - lastPos = pos[1]; - }); - rethtml += html.slice(lastPos); - return rethtml; - } - }; -} - -/** - * remove html comments - * - * @param {String} html - * @return {String} - */ -function stripCommentTag(html) { - return html.replace(STRIP_COMMENT_TAG_REGEXP, ""); -} -var STRIP_COMMENT_TAG_REGEXP = /<!--[\s\S]*?-->/g; - -/** - * remove invisible characters - * - * @param {String} html - * @return {String} - */ -function stripBlankChar(html) { - var chars = html.split(""); - chars = chars.filter(function(char) { - var c = char.charCodeAt(0); - if (c === 127) return false; - if (c <= 31) { - if (c === 10 || c === 13) return true; - return false; - } - return true; - }); - return chars.join(""); -} - -exports.whiteList = getDefaultWhiteList(); -exports.getDefaultWhiteList = getDefaultWhiteList; -exports.onTag = onTag; -exports.onIgnoreTag = onIgnoreTag; -exports.onTagAttr = onTagAttr; -exports.onIgnoreTagAttr = onIgnoreTagAttr; -exports.safeAttrValue = safeAttrValue; -exports.escapeHtml = escapeHtml; -exports.escapeQuote = escapeQuote; -exports.unescapeQuote = unescapeQuote; -exports.escapeHtmlEntities = escapeHtmlEntities; -exports.escapeDangerHtml5Entities = escapeDangerHtml5Entities; -exports.clearNonPrintableCharacter = clearNonPrintableCharacter; -exports.friendlyAttrValue = friendlyAttrValue; -exports.escapeAttrValue = escapeAttrValue; -exports.onIgnoreTagStripAll = onIgnoreTagStripAll; -exports.StripTagBody = StripTagBody; -exports.stripCommentTag = stripCommentTag; -exports.stripBlankChar = stripBlankChar; -exports.cssFilter = defaultCSSFilter; -exports.getDefaultCSSWhiteList = getDefaultCSSWhiteList; - -},{"./util":4,"cssfilter":8}],2:[function(require,module,exports){ -/** - * xss - * - * @author Zongmin Lei<leizongmin@gmail.com> - */ - -var DEFAULT = require("./default"); -var parser = require("./parser"); -var FilterXSS = require("./xss"); - -/** - * filter xss function - * - * @param {String} html - * @param {Object} options { whiteList, onTag, onTagAttr, onIgnoreTag, onIgnoreTagAttr, safeAttrValue, escapeHtml } - * @return {String} - */ -function filterXSS(html, options) { - var xss = new FilterXSS(options); - return xss.process(html); -} - -exports = module.exports = filterXSS; -exports.filterXSS = filterXSS; -exports.FilterXSS = FilterXSS; -for (var i in DEFAULT) exports[i] = DEFAULT[i]; -for (var i in parser) exports[i] = parser[i]; - -// using `xss` on the browser, output `filterXSS` to the globals -if (typeof window !== "undefined") { - window.filterXSS = module.exports; -} - -// using `xss` on the WebWorker, output `filterXSS` to the globals -function isWorkerEnv() { - return typeof self !== 'undefined' && typeof DedicatedWorkerGlobalScope !== 'undefined' && self instanceof DedicatedWorkerGlobalScope; -} -if (isWorkerEnv()) { - self.filterXSS = module.exports; -} - -},{"./default":1,"./parser":3,"./xss":5}],3:[function(require,module,exports){ -/** - * Simple HTML Parser - * - * @author Zongmin Lei<leizongmin@gmail.com> - */ - -var _ = require("./util"); - -/** - * get tag name - * - * @param {String} html e.g. '<a hef="#">' - * @return {String} - */ -function getTagName(html) { - var i = _.spaceIndex(html); - if (i === -1) { - var tagName = html.slice(1, -1); - } else { - var tagName = html.slice(1, i + 1); - } - tagName = _.trim(tagName).toLowerCase(); - if (tagName.slice(0, 1) === "/") tagName = tagName.slice(1); - if (tagName.slice(-1) === "/") tagName = tagName.slice(0, -1); - return tagName; -} - -/** - * is close tag? - * - * @param {String} html 如：'<a hef="#">' - * @return {Boolean} - */ -function isClosing(html) { - return html.slice(0, 2) === "</"; -} - -/** - * parse input html and returns processed html - * - * @param {String} html - * @param {Function} onTag e.g. function (sourcePosition, position, tag, html, isClosing) - * @param {Function} escapeHtml - * @return {String} - */ -function parseTag(html, onTag, escapeHtml) { - "user strict"; - - var rethtml = ""; - var lastPos = 0; - var tagStart = false; - var quoteStart = false; - var currentPos = 0; - var len = html.length; - var currentTagName = ""; - var currentHtml = ""; - - for (currentPos = 0; currentPos < len; currentPos++) { - var c = html.charAt(currentPos); - if (tagStart === false) { - if (c === "<") { - tagStart = currentPos; - continue; - } - } else { - if (quoteStart === false) { - if (c === "<") { - rethtml += escapeHtml(html.slice(lastPos, currentPos)); - tagStart = currentPos; - lastPos = currentPos; - continue; - } - if (c === ">") { - rethtml += escapeHtml(html.slice(lastPos, tagStart)); - currentHtml = html.slice(tagStart, currentPos + 1); - currentTagName = getTagName(currentHtml); - rethtml += onTag( - tagStart, - rethtml.length, - currentTagName, - currentHtml, - isClosing(currentHtml) - ); - lastPos = currentPos + 1; - tagStart = false; - continue; - } - if ((c === '"' || c === "'") && html.charAt(currentPos - 1) === "=") { - quoteStart = c; - continue; - } - } else { - if (c === quoteStart) { - quoteStart = false; - continue; - } - } - } - } - if (lastPos < html.length) { - rethtml += escapeHtml(html.substr(lastPos)); - } - - return rethtml; -} - -var REGEXP_ILLEGAL_ATTR_NAME = /[^a-zA-Z0-9_:\.\-]/gim; - -/** - * parse input attributes and returns processed attributes - * - * @param {String} html e.g. `href="#" target="_blank"` - * @param {Function} onAttr e.g. `function (name, value)` - * @return {String} - */ -function parseAttr(html, onAttr) { - "user strict"; - - var lastPos = 0; - var retAttrs = []; - var tmpName = false; - var len = html.length; - - function addAttr(name, value) { - name = _.trim(name); - name = name.replace(REGEXP_ILLEGAL_ATTR_NAME, "").toLowerCase(); - if (name.length < 1) return; - var ret = onAttr(name, value || ""); - if (ret) retAttrs.push(ret); - } - - // 逐个分析字符 - for (var i = 0; i < len; i++) { - var c = html.charAt(i); - var v, j; - if (tmpName === false && c === "=") { - tmpName = html.slice(lastPos, i); - lastPos = i + 1; - continue; - } - if (tmpName !== false) { - if ( - i === lastPos && - (c === '"' || c === "'") && - html.charAt(i - 1) === "=" - ) { - j = html.indexOf(c, i + 1); - if (j === -1) { - break; - } else { - v = _.trim(html.slice(lastPos + 1, j)); - addAttr(tmpName, v); - tmpName = false; - i = j; - lastPos = i + 1; - continue; - } - } - } - if (/\s|\n|\t/.test(c)) { - html = html.replace(/\s|\n|\t/g, " "); - if (tmpName === false) { - j = findNextEqual(html, i); - if (j === -1) { - v = _.trim(html.slice(lastPos, i)); - addAttr(v); - tmpName = false; - lastPos = i + 1; - continue; - } else { - i = j - 1; - continue; - } - } else { - j = findBeforeEqual(html, i - 1); - if (j === -1) { - v = _.trim(html.slice(lastPos, i)); - v = stripQuoteWrap(v); - addAttr(tmpName, v); - tmpName = false; - lastPos = i + 1; - continue; - } else { - continue; - } - } - } - } - - if (lastPos < html.length) { - if (tmpName === false) { - addAttr(html.slice(lastPos)); - } else { - addAttr(tmpName, stripQuoteWrap(_.trim(html.slice(lastPos)))); - } - } - - return _.trim(retAttrs.join(" ")); -} - -function findNextEqual(str, i) { - for (; i < str.length; i++) { - var c = str[i]; - if (c === " ") continue; - if (c === "=") return i; - return -1; - } -} - -function findBeforeEqual(str, i) { - for (; i > 0; i--) { - var c = str[i]; - if (c === " ") continue; - if (c === "=") return i; - return -1; - } -} - -function isQuoteWrapString(text) { - if ( - (text[0] === '"' && text[text.length - 1] === '"') || - (text[0] === "'" && text[text.length - 1] === "'") - ) { - return true; - } else { - return false; - } -} - -function stripQuoteWrap(text) { - if (isQuoteWrapString(text)) { - return text.substr(1, text.length - 2); - } else { - return text; - } -} - -exports.parseTag = parseTag; -exports.parseAttr = parseAttr; - -},{"./util":4}],4:[function(require,module,exports){ -module.exports = { - indexOf: function(arr, item) { - var i, j; - if (Array.prototype.indexOf) { - return arr.indexOf(item); - } - for (i = 0, j = arr.length; i < j; i++) { - if (arr[i] === item) { - return i; - } - } - return -1; - }, - forEach: function(arr, fn, scope) { - var i, j; - if (Array.prototype.forEach) { - return arr.forEach(fn, scope); - } - for (i = 0, j = arr.length; i < j; i++) { - fn.call(scope, arr[i], i, arr); - } - }, - trim: function(str) { - if (String.prototype.trim) { - return str.trim(); - } - return str.replace(/(^\s*)|(\s*$)/g, ""); - }, - spaceIndex: function(str) { - var reg = /\s|\n|\t/; - var match = reg.exec(str); - return match ? match.index : -1; - } -}; - -},{}],5:[function(require,module,exports){ -/** - * filter xss - * - * @author Zongmin Lei<leizongmin@gmail.com> - */ - -var FilterCSS = require("cssfilter").FilterCSS; -var DEFAULT = require("./default"); -var parser = require("./parser"); -var parseTag = parser.parseTag; -var parseAttr = parser.parseAttr; -var _ = require("./util"); - -/** - * returns `true` if the input value is `undefined` or `null` - * - * @param {Object} obj - * @return {Boolean} - */ -function isNull(obj) { - return obj === undefined || obj === null; -} - -/** - * get attributes for a tag - * - * @param {String} html - * @return {Object} - * - {String} html - * - {Boolean} closing - */ -function getAttrs(html) { - var i = _.spaceIndex(html); - if (i === -1) { - return { - html: "", - closing: html[html.length - 2] === "/" - }; - } - html = _.trim(html.slice(i + 1, -1)); - var isClosing = html[html.length - 1] === "/"; - if (isClosing) html = _.trim(html.slice(0, -1)); - return { - html: html, - closing: isClosing - }; -} - -/** - * shallow copy - * - * @param {Object} obj - * @return {Object} - */ -function shallowCopyObject(obj) { - var ret = {}; - for (var i in obj) { - ret[i] = obj[i]; - } - return ret; -} - -/** - * FilterXSS class - * - * @param {Object} options - * whiteList, onTag, onTagAttr, onIgnoreTag, - * onIgnoreTagAttr, safeAttrValue, escapeHtml - * stripIgnoreTagBody, allowCommentTag, stripBlankChar - * css{whiteList, onAttr, onIgnoreAttr} `css=false` means don't use `cssfilter` - */ -function FilterXSS(options) { - options = shallowCopyObject(options || {}); - - if (options.stripIgnoreTag) { - if (options.onIgnoreTag) { - console.error( - 'Notes: cannot use these two options "stripIgnoreTag" and "onIgnoreTag" at the same time' - ); - } - options.onIgnoreTag = DEFAULT.onIgnoreTagStripAll; - } - - options.whiteList = options.whiteList || DEFAULT.whiteList; - options.onTag = options.onTag || DEFAULT.onTag; - options.onTagAttr = options.onTagAttr || DEFAULT.onTagAttr; - options.onIgnoreTag = options.onIgnoreTag || DEFAULT.onIgnoreTag; - options.onIgnoreTagAttr = options.onIgnoreTagAttr || DEFAULT.onIgnoreTagAttr; - options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue; - options.escapeHtml = options.escapeHtml || DEFAULT.escapeHtml; - this.options = options; - - if (options.css === false) { - this.cssFilter = false; - } else { - options.css = options.css || {}; - this.cssFilter = new FilterCSS(options.css); - } -} - -/** - * start process and returns result - * - * @param {String} html - * @return {String} - */ -FilterXSS.prototype.process = function(html) { - // compatible with the input - html = html || ""; - html = html.toString(); - if (!html) return ""; - - var me = this; - var options = me.options; - var whiteList = options.whiteList; - var onTag = options.onTag; - var onIgnoreTag = options.onIgnoreTag; - var onTagAttr = options.onTagAttr; - var onIgnoreTagAttr = options.onIgnoreTagAttr; - var safeAttrValue = options.safeAttrValue; - var escapeHtml = options.escapeHtml; - var cssFilter = me.cssFilter; - - // remove invisible characters - if (options.stripBlankChar) { - html = DEFAULT.stripBlankChar(html); - } - - // remove html comments - if (!options.allowCommentTag) { - html = DEFAULT.stripCommentTag(html); - } - - // if enable stripIgnoreTagBody - var stripIgnoreTagBody = false; - if (options.stripIgnoreTagBody) { - var stripIgnoreTagBody = DEFAULT.StripTagBody( - options.stripIgnoreTagBody, - onIgnoreTag - ); - onIgnoreTag = stripIgnoreTagBody.onIgnoreTag; - } - - var retHtml = parseTag( - html, - function(sourcePosition, position, tag, html, isClosing) { - var info = { - sourcePosition: sourcePosition, - position: position, - isClosing: isClosing, - isWhite: whiteList.hasOwnProperty(tag) - }; - - // call `onTag()` - var ret = onTag(tag, html, info); - if (!isNull(ret)) return ret; - - if (info.isWhite) { - if (info.isClosing) { - return "</" + tag + ">"; - } - - var attrs = getAttrs(html); - var whiteAttrList = whiteList[tag]; - var attrsHtml = parseAttr(attrs.html, function(name, value) { - // call `onTagAttr()` - var isWhiteAttr = _.indexOf(whiteAttrList, name) !== -1; - var ret = onTagAttr(tag, name, value, isWhiteAttr); - if (!isNull(ret)) return ret; - - if (isWhiteAttr) { - // call `safeAttrValue()` - value = safeAttrValue(tag, name, value, cssFilter); - if (value) { - return name + '="' + value + '"'; - } else { - return name; - } - } else { - // call `onIgnoreTagAttr()` - var ret = onIgnoreTagAttr(tag, name, value, isWhiteAttr); - if (!isNull(ret)) return ret; - return; - } - }); - - // build new tag html - var html = "<" + tag; - if (attrsHtml) html += " " + attrsHtml; - if (attrs.closing) html += " /"; - html += ">"; - return html; - } else { - // call `onIgnoreTag()` - var ret = onIgnoreTag(tag, html, info); - if (!isNull(ret)) return ret; - return escapeHtml(html); - } - }, - escapeHtml - ); - - // if enable stripIgnoreTagBody - if (stripIgnoreTagBody) { - retHtml = stripIgnoreTagBody.remove(retHtml); - } - - return retHtml; -}; - -module.exports = FilterXSS; - -},{"./default":1,"./parser":3,"./util":4,"cssfilter":8}],6:[function(require,module,exports){ -/** - * cssfilter - * - * @author 老雷<leizongmin@gmail.com> - */ - -var DEFAULT = require('./default'); -var parseStyle = require('./parser'); -var _ = require('./util'); - - -/** - * 返回值是否为空 - * - * @param {Object} obj - * @return {Boolean} - */ -function isNull (obj) { - return (obj === undefined || obj === null); -} - -/** - * 浅拷贝对象 - * - * @param {Object} obj - * @return {Object} - */ -function shallowCopyObject (obj) { - var ret = {}; - for (var i in obj) { - ret[i] = obj[i]; - } - return ret; -} - -/** - * 创建CSS过滤器 - * - * @param {Object} options - * - {Object} whiteList - * - {Function} onAttr - * - {Function} onIgnoreAttr - * - {Function} safeAttrValue - */ -function FilterCSS (options) { - options = shallowCopyObject(options || {}); - options.whiteList = options.whiteList || DEFAULT.whiteList; - options.onAttr = options.onAttr || DEFAULT.onAttr; - options.onIgnoreAttr = options.onIgnoreAttr || DEFAULT.onIgnoreAttr; - options.safeAttrValue = options.safeAttrValue || DEFAULT.safeAttrValue; - this.options = options; -} - -FilterCSS.prototype.process = function (css) { - // 兼容各种奇葩输入 - css = css || ''; - css = css.toString(); - if (!css) return ''; - - var me = this; - var options = me.options; - var whiteList = options.whiteList; - var onAttr = options.onAttr; - var onIgnoreAttr = options.onIgnoreAttr; - var safeAttrValue = options.safeAttrValue; - - var retCSS = parseStyle(css, function (sourcePosition, position, name, value, source) { - - var check = whiteList[name]; - var isWhite = false; - if (check === true) isWhite = check; - else if (typeof check === 'function') isWhite = check(value); - else if (check instanceof RegExp) isWhite = check.test(value); - if (isWhite !== true) isWhite = false; - - // 如果过滤后 value 为空则直接忽略 - value = safeAttrValue(name, value); - if (!value) return; - - var opts = { - position: position, - sourcePosition: sourcePosition, - source: source, - isWhite: isWhite - }; - - if (isWhite) { - - var ret = onAttr(name, value, opts); - if (isNull(ret)) { - return name + ':' + value; - } else { - return ret; - } - - } else { - - var ret = onIgnoreAttr(name, value, opts); - if (!isNull(ret)) { - return ret; - } - - } - }); - - return retCSS; -}; - - -module.exports = FilterCSS; - -},{"./default":7,"./parser":9,"./util":10}],7:[function(require,module,exports){ -/** - * cssfilter - * - * @author 老雷<leizongmin@gmail.com> - */ - -function getDefaultWhiteList () { - // 白名单值说明： - // true: 允许该属性 - // Function: function (val) { } 返回true表示允许该属性，其他值均表示不允许 - // RegExp: regexp.test(val) 返回true表示允许该属性，其他值均表示不允许 - // 除上面列出的值外均表示不允许 - var whiteList = {}; - - whiteList['align-content'] = false; // default: auto - whiteList['align-items'] = false; // default: auto - whiteList['align-self'] = false; // default: auto - whiteList['alignment-adjust'] = false; // default: auto - whiteList['alignment-baseline'] = false; // default: baseline - whiteList['all'] = false; // default: depending on individual properties - whiteList['anchor-point'] = false; // default: none - whiteList['animation'] = false; // default: depending on individual properties - whiteList['animation-delay'] = false; // default: 0 - whiteList['animation-direction'] = false; // default: normal - whiteList['animation-duration'] = false; // default: 0 - whiteList['animation-fill-mode'] = false; // default: none - whiteList['animation-iteration-count'] = false; // default: 1 - whiteList['animation-name'] = false; // default: none - whiteList['animation-play-state'] = false; // default: running - whiteList['animation-timing-function'] = false; // default: ease - whiteList['azimuth'] = false; // default: center - whiteList['backface-visibility'] = false; // default: visible - whiteList['background'] = true; // default: depending on individual properties - whiteList['background-attachment'] = true; // default: scroll - whiteList['background-clip'] = true; // default: border-box - whiteList['background-color'] = true; // default: transparent - whiteList['background-image'] = true; // default: none - whiteList['background-origin'] = true; // default: padding-box - whiteList['background-position'] = true; // default: 0% 0% - whiteList['background-repeat'] = true; // default: repeat - whiteList['background-size'] = true; // default: auto - whiteList['baseline-shift'] = false; // default: baseline - whiteList['binding'] = false; // default: none - whiteList['bleed'] = false; // default: 6pt - whiteList['bookmark-label'] = false; // default: content() - whiteList['bookmark-level'] = false; // default: none - whiteList['bookmark-state'] = false; // default: open - whiteList['border'] = true; // default: depending on individual properties - whiteList['border-bottom'] = true; // default: depending on individual properties - whiteList['border-bottom-color'] = true; // default: current color - whiteList['border-bottom-left-radius'] = true; // default: 0 - whiteList['border-bottom-right-radius'] = true; // default: 0 - whiteList['border-bottom-style'] = true; // default: none - whiteList['border-bottom-width'] = true; // default: medium - whiteList['border-collapse'] = true; // default: separate - whiteList['border-color'] = true; // default: depending on individual properties - whiteList['border-image'] = true; // default: none - whiteList['border-image-outset'] = true; // default: 0 - whiteList['border-image-repeat'] = true; // default: stretch - whiteList['border-image-slice'] = true; // default: 100% - whiteList['border-image-source'] = true; // default: none - whiteList['border-image-width'] = true; // default: 1 - whiteList['border-left'] = true; // default: depending on individual properties - whiteList['border-left-color'] = true; // default: current color - whiteList['border-left-style'] = true; // default: none - whiteList['border-left-width'] = true; // default: medium - whiteList['border-radius'] = true; // default: 0 - whiteList['border-right'] = true; // default: depending on individual properties - whiteList['border-right-color'] = true; // default: current color - whiteList['border-right-style'] = true; // default: none - whiteList['border-right-width'] = true; // default: medium - whiteList['border-spacing'] = true; // default: 0 - whiteList['border-style'] = true; // default: depending on individual properties - whiteList['border-top'] = true; // default: depending on individual properties - whiteList['border-top-color'] = true; // default: current color - whiteList['border-top-left-radius'] = true; // default: 0 - whiteList['border-top-right-radius'] = true; // default: 0 - whiteList['border-top-style'] = true; // default: none - whiteList['border-top-width'] = true; // default: medium - whiteList['border-width'] = true; // default: depending on individual properties - whiteList['bottom'] = false; // default: auto - whiteList['box-decoration-break'] = true; // default: slice - whiteList['box-shadow'] = true; // default: none - whiteList['box-sizing'] = true; // default: content-box - whiteList['box-snap'] = true; // default: none - whiteList['box-suppress'] = true; // default: show - whiteList['break-after'] = true; // default: auto - whiteList['break-before'] = true; // default: auto - whiteList['break-inside'] = true; // default: auto - whiteList['caption-side'] = false; // default: top - whiteList['chains'] = false; // default: none - whiteList['clear'] = true; // default: none - whiteList['clip'] = false; // default: auto - whiteList['clip-path'] = false; // default: none - whiteList['clip-rule'] = false; // default: nonzero - whiteList['color'] = true; // default: implementation dependent - whiteList['color-interpolation-filters'] = true; // default: auto - whiteList['column-count'] = false; // default: auto - whiteList['column-fill'] = false; // default: balance - whiteList['column-gap'] = false; // default: normal - whiteList['column-rule'] = false; // default: depending on individual properties - whiteList['column-rule-color'] = false; // default: current color - whiteList['column-rule-style'] = false; // default: medium - whiteList['column-rule-width'] = false; // default: medium - whiteList['column-span'] = false; // default: none - whiteList['column-width'] = false; // default: auto - whiteList['columns'] = false; // default: depending on individual properties - whiteList['contain'] = false; // default: none - whiteList['content'] = false; // default: normal - whiteList['counter-increment'] = false; // default: none - whiteList['counter-reset'] = false; // default: none - whiteList['counter-set'] = false; // default: none - whiteList['crop'] = false; // default: auto - whiteList['cue'] = false; // default: depending on individual properties - whiteList['cue-after'] = false; // default: none - whiteList['cue-before'] = false; // default: none - whiteList['cursor'] = false; // default: auto - whiteList['direction'] = false; // default: ltr - whiteList['display'] = true; // default: depending on individual properties - whiteList['display-inside'] = true; // default: auto - whiteList['display-list'] = true; // default: none - whiteList['display-outside'] = true; // default: inline-level - whiteList['dominant-baseline'] = false; // default: auto - whiteList['elevation'] = false; // default: level - whiteList['empty-cells'] = false; // default: show - whiteList['filter'] = false; // default: none - whiteList['flex'] = false; // default: depending on individual properties - whiteList['flex-basis'] = false; // default: auto - whiteList['flex-direction'] = false; // default: row - whiteList['flex-flow'] = false; // default: depending on individual properties - whiteList['flex-grow'] = false; // default: 0 - whiteList['flex-shrink'] = false; // default: 1 - whiteList['flex-wrap'] = false; // default: nowrap - whiteList['float'] = false; // default: none - whiteList['float-offset'] = false; // default: 0 0 - whiteList['flood-color'] = false; // default: black - whiteList['flood-opacity'] = false; // default: 1 - whiteList['flow-from'] = false; // default: none - whiteList['flow-into'] = false; // default: none - whiteList['font'] = true; // default: depending on individual properties - whiteList['font-family'] = true; // default: implementation dependent - whiteList['font-feature-settings'] = true; // default: normal - whiteList['font-kerning'] = true; // default: auto - whiteList['font-language-override'] = true; // default: normal - whiteList['font-size'] = true; // default: medium - whiteList['font-size-adjust'] = true; // default: none - whiteList['font-stretch'] = true; // default: normal - whiteList['font-style'] = true; // default: normal - whiteList['font-synthesis'] = true; // default: weight style - whiteList['font-variant'] = true; // default: normal - whiteList['font-variant-alternates'] = true; // default: normal - whiteList['font-variant-caps'] = true; // default: normal - whiteList['font-variant-east-asian'] = true; // default: normal - whiteList['font-variant-ligatures'] = true; // default: normal - whiteList['font-variant-numeric'] = true; // default: normal - whiteList['font-variant-position'] = true; // default: normal - whiteList['font-weight'] = true; // default: normal - whiteList['grid'] = false; // default: depending on individual properties - whiteList['grid-area'] = false; // default: depending on individual properties - whiteList['grid-auto-columns'] = false; // default: auto - whiteList['grid-auto-flow'] = false; // default: none - whiteList['grid-auto-rows'] = false; // default: auto - whiteList['grid-column'] = false; // default: depending on individual properties - whiteList['grid-column-end'] = false; // default: auto - whiteList['grid-column-start'] = false; // default: auto - whiteList['grid-row'] = false; // default: depending on individual properties - whiteList['grid-row-end'] = false; // default: auto - whiteList['grid-row-start'] = false; // default: auto - whiteList['grid-template'] = false; // default: depending on individual properties - whiteList['grid-template-areas'] = false; // default: none - whiteList['grid-template-columns'] = false; // default: none - whiteList['grid-template-rows'] = false; // default: none - whiteList['hanging-punctuation'] = false; // default: none - whiteList['height'] = true; // default: auto - whiteList['hyphens'] = false; // default: manual - whiteList['icon'] = false; // default: auto - whiteList['image-orientation'] = false; // default: auto - whiteList['image-resolution'] = false; // default: normal - whiteList['ime-mode'] = false; // default: auto - whiteList['initial-letters'] = false; // default: normal - whiteList['inline-box-align'] = false; // default: last - whiteList['justify-content'] = false; // default: auto - whiteList['justify-items'] = false; // default: auto - whiteList['justify-self'] = false; // default: auto - whiteList['left'] = false; // default: auto - whiteList['letter-spacing'] = true; // default: normal - whiteList['lighting-color'] = true; // default: white - whiteList['line-box-contain'] = false; // default: block inline replaced - whiteList['line-break'] = false; // default: auto - whiteList['line-grid'] = false; // default: match-parent - whiteList['line-height'] = false; // default: normal - whiteList['line-snap'] = false; // default: none - whiteList['line-stacking'] = false; // default: depending on individual properties - whiteList['line-stacking-ruby'] = false; // default: exclude-ruby - whiteList['line-stacking-shift'] = false; // default: consider-shifts - whiteList['line-stacking-strategy'] = false; // default: inline-line-height - whiteList['list-style'] = true; // default: depending on individual properties - whiteList['list-style-image'] = true; // default: none - whiteList['list-style-position'] = true; // default: outside - whiteList['list-style-type'] = true; // default: disc - whiteList['margin'] = true; // default: depending on individual properties - whiteList['margin-bottom'] = true; // default: 0 - whiteList['margin-left'] = true; // default: 0 - whiteList['margin-right'] = true; // default: 0 - whiteList['margin-top'] = true; // default: 0 - whiteList['marker-offset'] = false; // default: auto - whiteList['marker-side'] = false; // default: list-item - whiteList['marks'] = false; // default: none - whiteList['mask'] = false; // default: border-box - whiteList['mask-box'] = false; // default: see individual properties - whiteList['mask-box-outset'] = false; // default: 0 - whiteList['mask-box-repeat'] = false; // default: stretch - whiteList['mask-box-slice'] = false; // default: 0 fill - whiteList['mask-box-source'] = false; // default: none - whiteList['mask-box-width'] = false; // default: auto - whiteList['mask-clip'] = false; // default: border-box - whiteList['mask-image'] = false; // default: none - whiteList['mask-origin'] = false; // default: border-box - whiteList['mask-position'] = false; // default: center - whiteList['mask-repeat'] = false; // default: no-repeat - whiteList['mask-size'] = false; // default: border-box - whiteList['mask-source-type'] = false; // default: auto - whiteList['mask-type'] = false; // default: luminance - whiteList['max-height'] = true; // default: none - whiteList['max-lines'] = false; // default: none - whiteList['max-width'] = true; // default: none - whiteList['min-height'] = true; // default: 0 - whiteList['min-width'] = true; // default: 0 - whiteList['move-to'] = false; // default: normal - whiteList['nav-down'] = false; // default: auto - whiteList['nav-index'] = false; // default: auto - whiteList['nav-left'] = false; // default: auto - whiteList['nav-right'] = false; // default: auto - whiteList['nav-up'] = false; // default: auto - whiteList['object-fit'] = false; // default: fill - whiteList['object-position'] = false; // default: 50% 50% - whiteList['opacity'] = false; // default: 1 - whiteList['order'] = false; // default: 0 - whiteList['orphans'] = false; // default: 2 - whiteList['outline'] = false; // default: depending on individual properties - whiteList['outline-color'] = false; // default: invert - whiteList['outline-offset'] = false; // default: 0 - whiteList['outline-style'] = false; // default: none - whiteList['outline-width'] = false; // default: medium - whiteList['overflow'] = false; // default: depending on individual properties - whiteList['overflow-wrap'] = false; // default: normal - whiteList['overflow-x'] = false; // default: visible - whiteList['overflow-y'] = false; // default: visible - whiteList['padding'] = true; // default: depending on individual properties - whiteList['padding-bottom'] = true; // default: 0 - whiteList['padding-left'] = true; // default: 0 - whiteList['padding-right'] = true; // default: 0 - whiteList['padding-top'] = true; // default: 0 - whiteList['page'] = false; // default: auto - whiteList['page-break-after'] = false; // default: auto - whiteList['page-break-before'] = false; // default: auto - whiteList['page-break-inside'] = false; // default: auto - whiteList['page-policy'] = false; // default: start - whiteList['pause'] = false; // default: implementation dependent - whiteList['pause-after'] = false; // default: implementation dependent - whiteList['pause-before'] = false; // default: implementation dependent - whiteList['perspective'] = false; // default: none - whiteList['perspective-origin'] = false; // default: 50% 50% - whiteList['pitch'] = false; // default: medium - whiteList['pitch-range'] = false; // default: 50 - whiteList['play-during'] = false; // default: auto - whiteList['position'] = false; // default: static - whiteList['presentation-level'] = false; // default: 0 - whiteList['quotes'] = false; // default: text - whiteList['region-fragment'] = false; // default: auto - whiteList['resize'] = false; // default: none - whiteList['rest'] = false; // default: depending on individual properties - whiteList['rest-after'] = false; // default: none - whiteList['rest-before'] = false; // default: none - whiteList['richness'] = false; // default: 50 - whiteList['right'] = false; // default: auto - whiteList['rotation'] = false; // default: 0 - whiteList['rotation-point'] = false; // default: 50% 50% - whiteList['ruby-align'] = false; // default: auto - whiteList['ruby-merge'] = false; // default: separate - whiteList['ruby-position'] = false; // default: before - whiteList['shape-image-threshold'] = false; // default: 0.0 - whiteList['shape-outside'] = false; // default: none - whiteList['shape-margin'] = false; // default: 0 - whiteList['size'] = false; // default: auto - whiteList['speak'] = false; // default: auto - whiteList['speak-as'] = false; // default: normal - whiteList['speak-header'] = false; // default: once - whiteList['speak-numeral'] = false; // default: continuous - whiteList['speak-punctuation'] = false; // default: none - whiteList['speech-rate'] = false; // default: medium - whiteList['stress'] = false; // default: 50 - whiteList['string-set'] = false; // default: none - whiteList['tab-size'] = false; // default: 8 - whiteList['table-layout'] = false; // default: auto - whiteList['text-align'] = true; // default: start - whiteList['text-align-last'] = true; // default: auto - whiteList['text-combine-upright'] = true; // default: none - whiteList['text-decoration'] = true; // default: none - whiteList['text-decoration-color'] = true; // default: currentColor - whiteList['text-decoration-line'] = true; // default: none - whiteList['text-decoration-skip'] = true; // default: objects - whiteList['text-decoration-style'] = true; // default: solid - whiteList['text-emphasis'] = true; // default: depending on individual properties - whiteList['text-emphasis-color'] = true; // default: currentColor - whiteList['text-emphasis-position'] = true; // default: over right - whiteList['text-emphasis-style'] = true; // default: none - whiteList['text-height'] = true; // default: auto - whiteList['text-indent'] = true; // default: 0 - whiteList['text-justify'] = true; // default: auto - whiteList['text-orientation'] = true; // default: mixed - whiteList['text-overflow'] = true; // default: clip - whiteList['text-shadow'] = true; // default: none - whiteList['text-space-collapse'] = true; // default: collapse - whiteList['text-transform'] = true; // default: none - whiteList['text-underline-position'] = true; // default: auto - whiteList['text-wrap'] = true; // default: normal - whiteList['top'] = false; // default: auto - whiteList['transform'] = false; // default: none - whiteList['transform-origin'] = false; // default: 50% 50% 0 - whiteList['transform-style'] = false; // default: flat - whiteList['transition'] = false; // default: depending on individual properties - whiteList['transition-delay'] = false; // default: 0s - whiteList['transition-duration'] = false; // default: 0s - whiteList['transition-property'] = false; // default: all - whiteList['transition-timing-function'] = false; // default: ease - whiteList['unicode-bidi'] = false; // default: normal - whiteList['vertical-align'] = false; // default: baseline - whiteList['visibility'] = false; // default: visible - whiteList['voice-balance'] = false; // default: center - whiteList['voice-duration'] = false; // default: auto - whiteList['voice-family'] = false; // default: implementation dependent - whiteList['voice-pitch'] = false; // default: medium - whiteList['voice-range'] = false; // default: medium - whiteList['voice-rate'] = false; // default: normal - whiteList['voice-stress'] = false; // default: normal - whiteList['voice-volume'] = false; // default: medium - whiteList['volume'] = false; // default: medium - whiteList['white-space'] = false; // default: normal - whiteList['widows'] = false; // default: 2 - whiteList['width'] = true; // default: auto - whiteList['will-change'] = false; // default: auto - whiteList['word-break'] = true; // default: normal - whiteList['word-spacing'] = true; // default: normal - whiteList['word-wrap'] = true; // default: normal - whiteList['wrap-flow'] = false; // default: auto - whiteList['wrap-through'] = false; // default: wrap - whiteList['writing-mode'] = false; // default: horizontal-tb - whiteList['z-index'] = false; // default: auto - - return whiteList; -} - - -/** - * 匹配到白名单上的一个属性时 - * - * @param {String} name - * @param {String} value - * @param {Object} options - * @return {String} - */ -function onAttr (name, value, options) { - // do nothing -} - -/** - * 匹配到不在白名单上的一个属性时 - * - * @param {String} name - * @param {String} value - * @param {Object} options - * @return {String} - */ -function onIgnoreAttr (name, value, options) { - // do nothing -} - -var REGEXP_URL_JAVASCRIPT = /javascript\s*\:/img; - -/** - * 过滤属性值 - * - * @param {String} name - * @param {String} value - * @return {String} - */ -function safeAttrValue(name, value) { - if (REGEXP_URL_JAVASCRIPT.test(value)) return ''; - return value; -} - - -exports.whiteList = getDefaultWhiteList(); -exports.getDefaultWhiteList = getDefaultWhiteList; -exports.onAttr = onAttr; -exports.onIgnoreAttr = onIgnoreAttr; -exports.safeAttrValue = safeAttrValue; - -},{}],8:[function(require,module,exports){ -/** - * cssfilter - * - * @author 老雷<leizongmin@gmail.com> - */ - -var DEFAULT = require('./default'); -var FilterCSS = require('./css'); - - -/** - * XSS过滤 - * - * @param {String} css 要过滤的CSS代码 - * @param {Object} options 选项：whiteList, onAttr, onIgnoreAttr - * @return {String} - */ -function filterCSS (html, options) { - var xss = new FilterCSS(options); - return xss.process(html); -} - - -// 输出 -exports = module.exports = filterCSS; -exports.FilterCSS = FilterCSS; -for (var i in DEFAULT) exports[i] = DEFAULT[i]; - -// 在浏览器端使用 -if (typeof window !== 'undefined') { - window.filterCSS = module.exports; -} - -},{"./css":6,"./default":7}],9:[function(require,module,exports){ -/** - * cssfilter - * - * @author 老雷<leizongmin@gmail.com> - */ - -var _ = require('./util'); - - -/** - * 解析style - * - * @param {String} css - * @param {Function} onAttr 处理属性的函数 - * 参数格式： function (sourcePosition, position, name, value, source) - * @return {String} - */ -function parseStyle (css, onAttr) { - css = _.trimRight(css); - if (css[css.length - 1] !== ';') css += ';'; - var cssLength = css.length; - var isParenthesisOpen = false; - var lastPos = 0; - var i = 0; - var retCSS = ''; - - function addNewAttr () { - // 如果没有正常的闭合圆括号，则直接忽略当前属性 - if (!isParenthesisOpen) { - var source = _.trim(css.slice(lastPos, i)); - var j = source.indexOf(':'); - if (j !== -1) { - var name = _.trim(source.slice(0, j)); - var value = _.trim(source.slice(j + 1)); - // 必须有属性名称 - if (name) { - var ret = onAttr(lastPos, retCSS.length, name, value, source); - if (ret) retCSS += ret + '; '; - } - } - } - lastPos = i + 1; - } - - for (; i < cssLength; i++) { - var c = css[i]; - if (c === '/' && css[i + 1] === '*') { - // 备注开始 - var j = css.indexOf('*/', i + 2); - // 如果没有正常的备注结束，则后面的部分全部跳过 - if (j === -1) break; - // 直接将当前位置调到备注结尾，并且初始化状态 - i = j + 1; - lastPos = i + 1; - isParenthesisOpen = false; - } else if (c === '(') { - isParenthesisOpen = true; - } else if (c === ')') { - isParenthesisOpen = false; - } else if (c === ';') { - if (isParenthesisOpen) { - // 在圆括号里面，忽略 - } else { - addNewAttr(); - } - } else if (c === '\n') { - addNewAttr(); - } - } - - return _.trim(retCSS); -} - -module.exports = parseStyle; - -},{"./util":10}],10:[function(require,module,exports){ -module.exports = { - indexOf: function (arr, item) { - var i, j; - if (Array.prototype.indexOf) { - return arr.indexOf(item); - } - for (i = 0, j = arr.length; i < j; i++) { - if (arr[i] === item) { - return i; - } - } - return -1; - }, - forEach: function (arr, fn, scope) { - var i, j; - if (Array.prototype.forEach) { - return arr.forEach(fn, scope); - } - for (i = 0, j = arr.length; i < j; i++) { - fn.call(scope, arr[i], i, arr); - } - }, - trim: function (str) { - if (String.prototype.trim) { - return str.trim(); - } - return str.replace(/(^\s*)|(\s*$)/g, ''); - }, - trimRight: function (str) { - if (String.prototype.trimRight) { - return str.trimRight(); - } - return str.replace(/(\s*$)/g, ''); - } -}; - -},{}]},{},[2]); diff --git a/node_modules/xss/dist/xss.min.js b/node_modules/xss/dist/xss.min.js deleted file mode 100644 index b2c3878..0000000 --- a/node_modules/xss/dist/xss.min.js +++ /dev/null @@ -1 +0,0 @@ -(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){var FilterCSS=require("cssfilter").FilterCSS;var getDefaultCSSWhiteList=require("cssfilter").getDefaultWhiteList;var _=require("./util");function getDefaultWhiteList(){return{a:["target","href","title"],abbr:["title"],address:[],area:["shape","coords","href","alt"],article:[],aside:[],audio:["autoplay","controls","loop","preload","src"],b:[],bdi:["dir"],bdo:["dir"],big:[],blockquote:["cite"],br:[],caption:[],center:[],cite:[],code:[],col:["align","valign","span","width"],colgroup:["align","valign","span","width"],dd:[],del:["datetime"],details:["open"],div:[],dl:[],dt:[],em:[],font:["color","size","face"],footer:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],header:[],hr:[],i:[],img:["src","alt","title","width","height"],ins:["datetime"],li:[],mark:[],nav:[],ol:[],p:[],pre:[],s:[],section:[],small:[],span:[],sub:[],sup:[],strong:[],table:["width","border","align","valign"],tbody:["align","valign"],td:["width","rowspan","colspan","align","valign"],tfoot:["align","valign"],th:["width","rowspan","colspan","align","valign"],thead:["align","valign"],tr:["rowspan","align","valign"],tt:[],u:[],ul:[],video:["autoplay","controls","loop","preload","src","height","width"]}}var defaultCSSFilter=new FilterCSS;function onTag(tag,html,options){}function onIgnoreTag(tag,html,options){}function onTagAttr(tag,name,value){}function onIgnoreTagAttr(tag,name,value){}function escapeHtml(html){return html.replace(REGEXP_LT,"<").replace(REGEXP_GT,">")}function safeAttrValue(tag,name,value,cssFilter){value=friendlyAttrValue(value);if(name==="href"||name==="src"){value=_.trim(value);if(value==="#")return"#";if(!(value.substr(0,7)==="http://"||value.substr(0,8)==="https://"||value.substr(0,7)==="mailto:"||value.substr(0,4)==="tel:"||value[0]==="#"||value[0]==="/")){return""}}else if(name==="background"){REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)){return""}}else if(name==="style"){REGEXP_DEFAULT_ON_TAG_ATTR_7.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_7.test(value)){return""}REGEXP_DEFAULT_ON_TAG_ATTR_8.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_8.test(value)){REGEXP_DEFAULT_ON_TAG_ATTR_4.lastIndex=0;if(REGEXP_DEFAULT_ON_TAG_ATTR_4.test(value)){return""}}if(cssFilter!==false){cssFilter=cssFilter||defaultCSSFilter;value=cssFilter.process(value)}}value=escapeAttrValue(value);return value}var REGEXP_LT=/</g;var REGEXP_GT=/>/g;var REGEXP_QUOTE=/"/g;var REGEXP_QUOTE_2=/"/g;var REGEXP_ATTR_VALUE_1=/&#([a-zA-Z0-9]*);?/gim;var REGEXP_ATTR_VALUE_COLON=/:?/gim;var REGEXP_ATTR_VALUE_NEWLINE=/&newline;?/gim;var REGEXP_DEFAULT_ON_TAG_ATTR_3=/\/\*|\*\//gm;var REGEXP_DEFAULT_ON_TAG_ATTR_4=/((j\s*a\s*v\s*a|v\s*b|l\s*i\s*v\s*e)\s*s\s*c\s*r\s*i\s*p\s*t\s*|m\s*o\s*c\s*h\s*a)\:/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_5=/^[\s"'`]*(d\s*a\s*t\s*a\s*)\:/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_6=/^[\s"'`]*(d\s*a\s*t\s*a\s*)\:\s*image\//gi;var REGEXP_DEFAULT_ON_TAG_ATTR_7=/e\s*x\s*p\s*r\s*e\s*s\s*s\s*i\s*o\s*n\s*\(.*/gi;var REGEXP_DEFAULT_ON_TAG_ATTR_8=/u\s*r\s*l\s*\(.*/gi;function escapeQuote(str){return str.replace(REGEXP_QUOTE,""")}function unescapeQuote(str){return str.replace(REGEXP_QUOTE_2,'"')}function escapeHtmlEntities(str){return str.replace(REGEXP_ATTR_VALUE_1,function replaceUnicode(str,code){return code[0]==="x"||code[0]==="X"?String.fromCharCode(parseInt(code.substr(1),16)):String.fromCharCode(parseInt(code,10))})}function escapeDangerHtml5Entities(str){return str.replace(REGEXP_ATTR_VALUE_COLON,":").replace(REGEXP_ATTR_VALUE_NEWLINE," ")}function clearNonPrintableCharacter(str){var str2="";for(var i=0,len=str.length;i<len;i++){str2+=str.charCodeAt(i)<32?" ":str.charAt(i)}return _.trim(str2)}function friendlyAttrValue(str){str=unescapeQuote(str);str=escapeHtmlEntities(str);str=escapeDangerHtml5Entities(str);str=clearNonPrintableCharacter(str);return str}function escapeAttrValue(str){str=escapeQuote(str);str=escapeHtml(str);return str}function onIgnoreTagStripAll(){return""}function StripTagBody(tags,next){if(typeof next!=="function"){next=function(){}}var isRemoveAllTag=!Array.isArray(tags);function isRemoveTag(tag){if(isRemoveAllTag)return true;return _.indexOf(tags,tag)!==-1}var removeList=[];var posStart=false;return{onIgnoreTag:function(tag,html,options){if(isRemoveTag(tag)){if(options.isClosing){var ret="[/removed]";var end=options.position+ret.length;removeList.push([posStart!==false?posStart:options.position,end]);posStart=false;return ret}else{if(!posStart){posStart=options.position}return"[removed]"}}else{return next(tag,html,options)}},remove:function(html){var rethtml="";var lastPos=0;_.forEach(removeList,function(pos){rethtml+=html.slice(lastPos,pos[0]);lastPos=pos[1]});rethtml+=html.slice(lastPos);return rethtml}}}function stripCommentTag(html){return html.replace(STRIP_COMMENT_TAG_REGEXP,"")}var STRIP_COMMENT_TAG_REGEXP=/<!--[\s\S]*?-->/g;function stripBlankChar(html){var chars=html.split("");chars=chars.filter(function(char){var c=char.charCodeAt(0);if(c===127)return false;if(c<=31){if(c===10||c===13)return true;return false}return true});return chars.join("")}exports.whiteList=getDefaultWhiteList();exports.getDefaultWhiteList=getDefaultWhiteList;exports.onTag=onTag;exports.onIgnoreTag=onIgnoreTag;exports.onTagAttr=onTagAttr;exports.onIgnoreTagAttr=onIgnoreTagAttr;exports.safeAttrValue=safeAttrValue;exports.escapeHtml=escapeHtml;exports.escapeQuote=escapeQuote;exports.unescapeQuote=unescapeQuote;exports.escapeHtmlEntities=escapeHtmlEntities;exports.escapeDangerHtml5Entities=escapeDangerHtml5Entities;exports.clearNonPrintableCharacter=clearNonPrintableCharacter;exports.friendlyAttrValue=friendlyAttrValue;exports.escapeAttrValue=escapeAttrValue;exports.onIgnoreTagStripAll=onIgnoreTagStripAll;exports.StripTagBody=StripTagBody;exports.stripCommentTag=stripCommentTag;exports.stripBlankChar=stripBlankChar;exports.cssFilter=defaultCSSFilter;exports.getDefaultCSSWhiteList=getDefaultCSSWhiteList},{"./util":4,cssfilter:8}],2:[function(require,module,exports){var DEFAULT=require("./default");var parser=require("./parser");var FilterXSS=require("./xss");function filterXSS(html,options){var xss=new FilterXSS(options);return xss.process(html)}exports=module.exports=filterXSS;exports.filterXSS=filterXSS;exports.FilterXSS=FilterXSS;for(var i in DEFAULT)exports[i]=DEFAULT[i];for(var i in parser)exports[i]=parser[i];if(typeof window!=="undefined"){window.filterXSS=module.exports}function isWorkerEnv(){return typeof self!=="undefined"&&typeof DedicatedWorkerGlobalScope!=="undefined"&&self instanceof DedicatedWorkerGlobalScope}if(isWorkerEnv()){self.filterXSS=module.exports}},{"./default":1,"./parser":3,"./xss":5}],3:[function(require,module,exports){var _=require("./util");function getTagName(html){var i=_.spaceIndex(html);if(i===-1){var tagName=html.slice(1,-1)}else{var tagName=html.slice(1,i+1)}tagName=_.trim(tagName).toLowerCase();if(tagName.slice(0,1)==="/")tagName=tagName.slice(1);if(tagName.slice(-1)==="/")tagName=tagName.slice(0,-1);return tagName}function isClosing(html){return html.slice(0,2)==="</"}function parseTag(html,onTag,escapeHtml){"user strict";var rethtml="";var lastPos=0;var tagStart=false;var quoteStart=false;var currentPos=0;var len=html.length;var currentTagName="";var currentHtml="";for(currentPos=0;currentPos<len;currentPos++){var c=html.charAt(currentPos);if(tagStart===false){if(c==="<"){tagStart=currentPos;continue}}else{if(quoteStart===false){if(c==="<"){rethtml+=escapeHtml(html.slice(lastPos,currentPos));tagStart=currentPos;lastPos=currentPos;continue}if(c===">"){rethtml+=escapeHtml(html.slice(lastPos,tagStart));currentHtml=html.slice(tagStart,currentPos+1);currentTagName=getTagName(currentHtml);rethtml+=onTag(tagStart,rethtml.length,currentTagName,currentHtml,isClosing(currentHtml));lastPos=currentPos+1;tagStart=false;continue}if((c==='"'||c==="'")&&html.charAt(currentPos-1)==="="){quoteStart=c;continue}}else{if(c===quoteStart){quoteStart=false;continue}}}}if(lastPos<html.length){rethtml+=escapeHtml(html.substr(lastPos))}return rethtml}var REGEXP_ILLEGAL_ATTR_NAME=/[^a-zA-Z0-9_:\.\-]/gim;function parseAttr(html,onAttr){"user strict";var lastPos=0;var retAttrs=[];var tmpName=false;var len=html.length;function addAttr(name,value){name=_.trim(name);name=name.replace(REGEXP_ILLEGAL_ATTR_NAME,"").toLowerCase();if(name.length<1)return;var ret=onAttr(name,value||"");if(ret)retAttrs.push(ret)}for(var i=0;i<len;i++){var c=html.charAt(i);var v,j;if(tmpName===false&&c==="="){tmpName=html.slice(lastPos,i);lastPos=i+1;continue}if(tmpName!==false){if(i===lastPos&&(c==='"'||c==="'")&&html.charAt(i-1)==="="){j=html.indexOf(c,i+1);if(j===-1){break}else{v=_.trim(html.slice(lastPos+1,j));addAttr(tmpName,v);tmpName=false;i=j;lastPos=i+1;continue}}}if(/\s|\n|\t/.test(c)){html=html.replace(/\s|\n|\t/g," ");if(tmpName===false){j=findNextEqual(html,i);if(j===-1){v=_.trim(html.slice(lastPos,i));addAttr(v);tmpName=false;lastPos=i+1;continue}else{i=j-1;continue}}else{j=findBeforeEqual(html,i-1);if(j===-1){v=_.trim(html.slice(lastPos,i));v=stripQuoteWrap(v);addAttr(tmpName,v);tmpName=false;lastPos=i+1;continue}else{continue}}}}if(lastPos<html.length){if(tmpName===false){addAttr(html.slice(lastPos))}else{addAttr(tmpName,stripQuoteWrap(_.trim(html.slice(lastPos))))}}return _.trim(retAttrs.join(" "))}function findNextEqual(str,i){for(;i<str.length;i++){var c=str[i];if(c===" ")continue;if(c==="=")return i;return-1}}function findBeforeEqual(str,i){for(;i>0;i--){var c=str[i];if(c===" ")continue;if(c==="=")return i;return-1}}function isQuoteWrapString(text){if(text[0]==='"'&&text[text.length-1]==='"'||text[0]==="'"&&text[text.length-1]==="'"){return true}else{return false}}function stripQuoteWrap(text){if(isQuoteWrapString(text)){return text.substr(1,text.length-2)}else{return text}}exports.parseTag=parseTag;exports.parseAttr=parseAttr},{"./util":4}],4:[function(require,module,exports){module.exports={indexOf:function(arr,item){var i,j;if(Array.prototype.indexOf){return arr.indexOf(item)}for(i=0,j=arr.length;i<j;i++){if(arr[i]===item){return i}}return-1},forEach:function(arr,fn,scope){var i,j;if(Array.prototype.forEach){return arr.forEach(fn,scope)}for(i=0,j=arr.length;i<j;i++){fn.call(scope,arr[i],i,arr)}},trim:function(str){if(String.prototype.trim){return str.trim()}return str.replace(/(^\s*)|(\s*$)/g,"")},spaceIndex:function(str){var reg=/\s|\n|\t/;var match=reg.exec(str);return match?match.index:-1}}},{}],5:[function(require,module,exports){var FilterCSS=require("cssfilter").FilterCSS;var DEFAULT=require("./default");var parser=require("./parser");var parseTag=parser.parseTag;var parseAttr=parser.parseAttr;var _=require("./util");function isNull(obj){return obj===undefined||obj===null}function getAttrs(html){var i=_.spaceIndex(html);if(i===-1){return{html:"",closing:html[html.length-2]==="/"}}html=_.trim(html.slice(i+1,-1));var isClosing=html[html.length-1]==="/";if(isClosing)html=_.trim(html.slice(0,-1));return{html:html,closing:isClosing}}function shallowCopyObject(obj){var ret={};for(var i in obj){ret[i]=obj[i]}return ret}function FilterXSS(options){options=shallowCopyObject(options||{});if(options.stripIgnoreTag){if(options.onIgnoreTag){console.error('Notes: cannot use these two options "stripIgnoreTag" and "onIgnoreTag" at the same time')}options.onIgnoreTag=DEFAULT.onIgnoreTagStripAll}options.whiteList=options.whiteList||DEFAULT.whiteList;options.onTag=options.onTag||DEFAULT.onTag;options.onTagAttr=options.onTagAttr||DEFAULT.onTagAttr;options.onIgnoreTag=options.onIgnoreTag||DEFAULT.onIgnoreTag;options.onIgnoreTagAttr=options.onIgnoreTagAttr||DEFAULT.onIgnoreTagAttr;options.safeAttrValue=options.safeAttrValue||DEFAULT.safeAttrValue;options.escapeHtml=options.escapeHtml||DEFAULT.escapeHtml;this.options=options;if(options.css===false){this.cssFilter=false}else{options.css=options.css||{};this.cssFilter=new FilterCSS(options.css)}}FilterXSS.prototype.process=function(html){html=html||"";html=html.toString();if(!html)return"";var me=this;var options=me.options;var whiteList=options.whiteList;var onTag=options.onTag;var onIgnoreTag=options.onIgnoreTag;var onTagAttr=options.onTagAttr;var onIgnoreTagAttr=options.onIgnoreTagAttr;var safeAttrValue=options.safeAttrValue;var escapeHtml=options.escapeHtml;var cssFilter=me.cssFilter;if(options.stripBlankChar){html=DEFAULT.stripBlankChar(html)}if(!options.allowCommentTag){html=DEFAULT.stripCommentTag(html)}var stripIgnoreTagBody=false;if(options.stripIgnoreTagBody){var stripIgnoreTagBody=DEFAULT.StripTagBody(options.stripIgnoreTagBody,onIgnoreTag);onIgnoreTag=stripIgnoreTagBody.onIgnoreTag}var retHtml=parseTag(html,function(sourcePosition,position,tag,html,isClosing){var info={sourcePosition:sourcePosition,position:position,isClosing:isClosing,isWhite:whiteList.hasOwnProperty(tag)};var ret=onTag(tag,html,info);if(!isNull(ret))return ret;if(info.isWhite){if(info.isClosing){return"</"+tag+">"}var attrs=getAttrs(html);var whiteAttrList=whiteList[tag];var attrsHtml=parseAttr(attrs.html,function(name,value){var isWhiteAttr=_.indexOf(whiteAttrList,name)!==-1;var ret=onTagAttr(tag,name,value,isWhiteAttr);if(!isNull(ret))return ret;if(isWhiteAttr){value=safeAttrValue(tag,name,value,cssFilter);if(value){return name+'="'+value+'"'}else{return name}}else{var ret=onIgnoreTagAttr(tag,name,value,isWhiteAttr);if(!isNull(ret))return ret;return}});var html="<"+tag;if(attrsHtml)html+=" "+attrsHtml;if(attrs.closing)html+=" /";html+=">";return html}else{var ret=onIgnoreTag(tag,html,info);if(!isNull(ret))return ret;return escapeHtml(html)}},escapeHtml);if(stripIgnoreTagBody){retHtml=stripIgnoreTagBody.remove(retHtml)}return retHtml};module.exports=FilterXSS},{"./default":1,"./parser":3,"./util":4,cssfilter:8}],6:[function(require,module,exports){var DEFAULT=require("./default");var parseStyle=require("./parser");var _=require("./util");function isNull(obj){return obj===undefined||obj===null}function shallowCopyObject(obj){var ret={};for(var i in obj){ret[i]=obj[i]}return ret}function FilterCSS(options){options=shallowCopyObject(options||{});options.whiteList=options.whiteList||DEFAULT.whiteList;options.onAttr=options.onAttr||DEFAULT.onAttr;options.onIgnoreAttr=options.onIgnoreAttr||DEFAULT.onIgnoreAttr;options.safeAttrValue=options.safeAttrValue||DEFAULT.safeAttrValue;this.options=options}FilterCSS.prototype.process=function(css){css=css||"";css=css.toString();if(!css)return"";var me=this;var options=me.options;var whiteList=options.whiteList;var onAttr=options.onAttr;var onIgnoreAttr=options.onIgnoreAttr;var safeAttrValue=options.safeAttrValue;var retCSS=parseStyle(css,function(sourcePosition,position,name,value,source){var check=whiteList[name];var isWhite=false;if(check===true)isWhite=check;else if(typeof check==="function")isWhite=check(value);else if(check instanceof RegExp)isWhite=check.test(value);if(isWhite!==true)isWhite=false;value=safeAttrValue(name,value);if(!value)return;var opts={position:position,sourcePosition:sourcePosition,source:source,isWhite:isWhite};if(isWhite){var ret=onAttr(name,value,opts);if(isNull(ret)){return name+":"+value}else{return ret}}else{var ret=onIgnoreAttr(name,value,opts);if(!isNull(ret)){return ret}}});return retCSS};module.exports=FilterCSS},{"./default":7,"./parser":9,"./util":10}],7:[function(require,module,exports){function getDefaultWhiteList(){var whiteList={};whiteList["align-content"]=false;whiteList["align-items"]=false;whiteList["align-self"]=false;whiteList["alignment-adjust"]=false;whiteList["alignment-baseline"]=false;whiteList["all"]=false;whiteList["anchor-point"]=false;whiteList["animation"]=false;whiteList["animation-delay"]=false;whiteList["animation-direction"]=false;whiteList["animation-duration"]=false;whiteList["animation-fill-mode"]=false;whiteList["animation-iteration-count"]=false;whiteList["animation-name"]=false;whiteList["animation-play-state"]=false;whiteList["animation-timing-function"]=false;whiteList["azimuth"]=false;whiteList["backface-visibility"]=false;whiteList["background"]=true;whiteList["background-attachment"]=true;whiteList["background-clip"]=true;whiteList["background-color"]=true;whiteList["background-image"]=true;whiteList["background-origin"]=true;whiteList["background-position"]=true;whiteList["background-repeat"]=true;whiteList["background-size"]=true;whiteList["baseline-shift"]=false;whiteList["binding"]=false;whiteList["bleed"]=false;whiteList["bookmark-label"]=false;whiteList["bookmark-level"]=false;whiteList["bookmark-state"]=false;whiteList["border"]=true;whiteList["border-bottom"]=true;whiteList["border-bottom-color"]=true;whiteList["border-bottom-left-radius"]=true;whiteList["border-bottom-right-radius"]=true;whiteList["border-bottom-style"]=true;whiteList["border-bottom-width"]=true;whiteList["border-collapse"]=true;whiteList["border-color"]=true;whiteList["border-image"]=true;whiteList["border-image-outset"]=true;whiteList["border-image-repeat"]=true;whiteList["border-image-slice"]=true;whiteList["border-image-source"]=true;whiteList["border-image-width"]=true;whiteList["border-left"]=true;whiteList["border-left-color"]=true;whiteList["border-left-style"]=true;whiteList["border-left-width"]=true;whiteList["border-radius"]=true;whiteList["border-right"]=true;whiteList["border-right-color"]=true;whiteList["border-right-style"]=true;whiteList["border-right-width"]=true;whiteList["border-spacing"]=true;whiteList["border-style"]=true;whiteList["border-top"]=true;whiteList["border-top-color"]=true;whiteList["border-top-left-radius"]=true;whiteList["border-top-right-radius"]=true;whiteList["border-top-style"]=true;whiteList["border-top-width"]=true;whiteList["border-width"]=true;whiteList["bottom"]=false;whiteList["box-decoration-break"]=true;whiteList["box-shadow"]=true;whiteList["box-sizing"]=true;whiteList["box-snap"]=true;whiteList["box-suppress"]=true;whiteList["break-after"]=true;whiteList["break-before"]=true;whiteList["break-inside"]=true;whiteList["caption-side"]=false;whiteList["chains"]=false;whiteList["clear"]=true;whiteList["clip"]=false;whiteList["clip-path"]=false;whiteList["clip-rule"]=false;whiteList["color"]=true;whiteList["color-interpolation-filters"]=true;whiteList["column-count"]=false;whiteList["column-fill"]=false;whiteList["column-gap"]=false;whiteList["column-rule"]=false;whiteList["column-rule-color"]=false;whiteList["column-rule-style"]=false;whiteList["column-rule-width"]=false;whiteList["column-span"]=false;whiteList["column-width"]=false;whiteList["columns"]=false;whiteList["contain"]=false;whiteList["content"]=false;whiteList["counter-increment"]=false;whiteList["counter-reset"]=false;whiteList["counter-set"]=false;whiteList["crop"]=false;whiteList["cue"]=false;whiteList["cue-after"]=false;whiteList["cue-before"]=false;whiteList["cursor"]=false;whiteList["direction"]=false;whiteList["display"]=true;whiteList["display-inside"]=true;whiteList["display-list"]=true;whiteList["display-outside"]=true;whiteList["dominant-baseline"]=false;whiteList["elevation"]=false;whiteList["empty-cells"]=false;whiteList["filter"]=false;whiteList["flex"]=false;whiteList["flex-basis"]=false;whiteList["flex-direction"]=false;whiteList["flex-flow"]=false;whiteList["flex-grow"]=false;whiteList["flex-shrink"]=false;whiteList["flex-wrap"]=false;whiteList["float"]=false;whiteList["float-offset"]=false;whiteList["flood-color"]=false;whiteList["flood-opacity"]=false;whiteList["flow-from"]=false;whiteList["flow-into"]=false;whiteList["font"]=true;whiteList["font-family"]=true;whiteList["font-feature-settings"]=true;whiteList["font-kerning"]=true;whiteList["font-language-override"]=true;whiteList["font-size"]=true;whiteList["font-size-adjust"]=true;whiteList["font-stretch"]=true;whiteList["font-style"]=true;whiteList["font-synthesis"]=true;whiteList["font-variant"]=true;whiteList["font-variant-alternates"]=true;whiteList["font-variant-caps"]=true;whiteList["font-variant-east-asian"]=true;whiteList["font-variant-ligatures"]=true;whiteList["font-variant-numeric"]=true;whiteList["font-variant-position"]=true;whiteList["font-weight"]=true;whiteList["grid"]=false;whiteList["grid-area"]=false;whiteList["grid-auto-columns"]=false;whiteList["grid-auto-flow"]=false;whiteList["grid-auto-rows"]=false;whiteList["grid-column"]=false;whiteList["grid-column-end"]=false;whiteList["grid-column-start"]=false;whiteList["grid-row"]=false;whiteList["grid-row-end"]=false;whiteList["grid-row-start"]=false;whiteList["grid-template"]=false;whiteList["grid-template-areas"]=false;whiteList["grid-template-columns"]=false;whiteList["grid-template-rows"]=false;whiteList["hanging-punctuation"]=false;whiteList["height"]=true;whiteList["hyphens"]=false;whiteList["icon"]=false;whiteList["image-orientation"]=false;whiteList["image-resolution"]=false;whiteList["ime-mode"]=false;whiteList["initial-letters"]=false;whiteList["inline-box-align"]=false;whiteList["justify-content"]=false;whiteList["justify-items"]=false;whiteList["justify-self"]=false;whiteList["left"]=false;whiteList["letter-spacing"]=true;whiteList["lighting-color"]=true;whiteList["line-box-contain"]=false;whiteList["line-break"]=false;whiteList["line-grid"]=false;whiteList["line-height"]=false;whiteList["line-snap"]=false;whiteList["line-stacking"]=false;whiteList["line-stacking-ruby"]=false;whiteList["line-stacking-shift"]=false;whiteList["line-stacking-strategy"]=false;whiteList["list-style"]=true;whiteList["list-style-image"]=true;whiteList["list-style-position"]=true;whiteList["list-style-type"]=true;whiteList["margin"]=true;whiteList["margin-bottom"]=true;whiteList["margin-left"]=true;whiteList["margin-right"]=true;whiteList["margin-top"]=true;whiteList["marker-offset"]=false;whiteList["marker-side"]=false;whiteList["marks"]=false;whiteList["mask"]=false;whiteList["mask-box"]=false;whiteList["mask-box-outset"]=false;whiteList["mask-box-repeat"]=false;whiteList["mask-box-slice"]=false;whiteList["mask-box-source"]=false;whiteList["mask-box-width"]=false;whiteList["mask-clip"]=false;whiteList["mask-image"]=false;whiteList["mask-origin"]=false;whiteList["mask-position"]=false;whiteList["mask-repeat"]=false;whiteList["mask-size"]=false;whiteList["mask-source-type"]=false;whiteList["mask-type"]=false;whiteList["max-height"]=true;whiteList["max-lines"]=false;whiteList["max-width"]=true;whiteList["min-height"]=true;whiteList["min-width"]=true;whiteList["move-to"]=false;whiteList["nav-down"]=false;whiteList["nav-index"]=false;whiteList["nav-left"]=false;whiteList["nav-right"]=false;whiteList["nav-up"]=false;whiteList["object-fit"]=false;whiteList["object-position"]=false;whiteList["opacity"]=false;whiteList["order"]=false;whiteList["orphans"]=false;whiteList["outline"]=false;whiteList["outline-color"]=false;whiteList["outline-offset"]=false;whiteList["outline-style"]=false;whiteList["outline-width"]=false;whiteList["overflow"]=false;whiteList["overflow-wrap"]=false;whiteList["overflow-x"]=false;whiteList["overflow-y"]=false;whiteList["padding"]=true;whiteList["padding-bottom"]=true;whiteList["padding-left"]=true;whiteList["padding-right"]=true;whiteList["padding-top"]=true;whiteList["page"]=false;whiteList["page-break-after"]=false;whiteList["page-break-before"]=false;whiteList["page-break-inside"]=false;whiteList["page-policy"]=false;whiteList["pause"]=false;whiteList["pause-after"]=false;whiteList["pause-before"]=false;whiteList["perspective"]=false;whiteList["perspective-origin"]=false;whiteList["pitch"]=false;whiteList["pitch-range"]=false;whiteList["play-during"]=false;whiteList["position"]=false;whiteList["presentation-level"]=false;whiteList["quotes"]=false;whiteList["region-fragment"]=false;whiteList["resize"]=false;whiteList["rest"]=false;whiteList["rest-after"]=false;whiteList["rest-before"]=false;whiteList["richness"]=false;whiteList["right"]=false;whiteList["rotation"]=false;whiteList["rotation-point"]=false;whiteList["ruby-align"]=false;whiteList["ruby-merge"]=false;whiteList["ruby-position"]=false;whiteList["shape-image-threshold"]=false;whiteList["shape-outside"]=false;whiteList["shape-margin"]=false;whiteList["size"]=false;whiteList["speak"]=false;whiteList["speak-as"]=false;whiteList["speak-header"]=false;whiteList["speak-numeral"]=false;whiteList["speak-punctuation"]=false;whiteList["speech-rate"]=false;whiteList["stress"]=false;whiteList["string-set"]=false;whiteList["tab-size"]=false;whiteList["table-layout"]=false;whiteList["text-align"]=true;whiteList["text-align-last"]=true;whiteList["text-combine-upright"]=true;whiteList["text-decoration"]=true;whiteList["text-decoration-color"]=true;whiteList["text-decoration-line"]=true;whiteList["text-decoration-skip"]=true;whiteList["text-decoration-style"]=true;whiteList["text-emphasis"]=true;whiteList["text-emphasis-color"]=true;whiteList["text-emphasis-position"]=true;whiteList["text-emphasis-style"]=true;whiteList["text-height"]=true;whiteList["text-indent"]=true;whiteList["text-justify"]=true;whiteList["text-orientation"]=true;whiteList["text-overflow"]=true;whiteList["text-shadow"]=true;whiteList["text-space-collapse"]=true;whiteList["text-transform"]=true;whiteList["text-underline-position"]=true;whiteList["text-wrap"]=true;whiteList["top"]=false;whiteList["transform"]=false;whiteList["transform-origin"]=false;whiteList["transform-style"]=false;whiteList["transition"]=false;whiteList["transition-delay"]=false;whiteList["transition-duration"]=false;whiteList["transition-property"]=false;whiteList["transition-timing-function"]=false;whiteList["unicode-bidi"]=false;whiteList["vertical-align"]=false;whiteList["visibility"]=false;whiteList["voice-balance"]=false;whiteList["voice-duration"]=false;whiteList["voice-family"]=false;whiteList["voice-pitch"]=false;whiteList["voice-range"]=false;whiteList["voice-rate"]=false;whiteList["voice-stress"]=false;whiteList["voice-volume"]=false;whiteList["volume"]=false;whiteList["white-space"]=false;whiteList["widows"]=false;whiteList["width"]=true;whiteList["will-change"]=false;whiteList["word-break"]=true;whiteList["word-spacing"]=true;whiteList["word-wrap"]=true;whiteList["wrap-flow"]=false;whiteList["wrap-through"]=false;whiteList["writing-mode"]=false;whiteList["z-index"]=false;return whiteList}function onAttr(name,value,options){}function onIgnoreAttr(name,value,options){}var REGEXP_URL_JAVASCRIPT=/javascript\s*\:/gim;function safeAttrValue(name,value){if(REGEXP_URL_JAVASCRIPT.test(value))return"";return value}exports.whiteList=getDefaultWhiteList();exports.getDefaultWhiteList=getDefaultWhiteList;exports.onAttr=onAttr;exports.onIgnoreAttr=onIgnoreAttr;exports.safeAttrValue=safeAttrValue},{}],8:[function(require,module,exports){var DEFAULT=require("./default");var FilterCSS=require("./css");function filterCSS(html,options){var xss=new FilterCSS(options);return xss.process(html)}exports=module.exports=filterCSS;exports.FilterCSS=FilterCSS;for(var i in DEFAULT)exports[i]=DEFAULT[i];if(typeof window!=="undefined"){window.filterCSS=module.exports}},{"./css":6,"./default":7}],9:[function(require,module,exports){var _=require("./util");function parseStyle(css,onAttr){css=_.trimRight(css);if(css[css.length-1]!==";")css+=";";var cssLength=css.length;var isParenthesisOpen=false;var lastPos=0;var i=0;var retCSS="";function addNewAttr(){if(!isParenthesisOpen){var source=_.trim(css.slice(lastPos,i));var j=source.indexOf(":");if(j!==-1){var name=_.trim(source.slice(0,j));var value=_.trim(source.slice(j+1));if(name){var ret=onAttr(lastPos,retCSS.length,name,value,source);if(ret)retCSS+=ret+"; "}}}lastPos=i+1}for(;i<cssLength;i++){var c=css[i];if(c==="/"&&css[i+1]==="*"){var j=css.indexOf("*/",i+2);if(j===-1)break;i=j+1;lastPos=i+1;isParenthesisOpen=false}else if(c==="("){isParenthesisOpen=true}else if(c===")"){isParenthesisOpen=false}else if(c===";"){if(isParenthesisOpen){}else{addNewAttr()}}else if(c==="\n"){addNewAttr()}}return _.trim(retCSS)}module.exports=parseStyle},{"./util":10}],10:[function(require,module,exports){module.exports={indexOf:function(arr,item){var i,j;if(Array.prototype.indexOf){return arr.indexOf(item)}for(i=0,j=arr.length;i<j;i++){if(arr[i]===item){return i}}return-1},forEach:function(arr,fn,scope){var i,j;if(Array.prototype.forEach){return arr.forEach(fn,scope)}for(i=0,j=arr.length;i<j;i++){fn.call(scope,arr[i],i,arr)}},trim:function(str){if(String.prototype.trim){return str.trim()}return str.replace(/(^\s*)|(\s*$)/g,"")},trimRight:function(str){if(String.prototype.trimRight){return str.trimRight()}return str.replace(/(\s*$)/g,"")}}},{}]},{},[2]);
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