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+/**
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+ * Duoshuo UA Plugin
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+ * @version v1.0.6
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+ * @license MIT
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+ * @author Gerald <gera2ld@163.com>
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+ */
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+!function(){
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+/**
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+ * 多说User-Agent插件核心脚本
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+ * 用于监听DUOSHUO及评论加载过程并执行注入
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+ *
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+ * @author Gerald <gera2ld@163.com>
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+ *
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+ * Optional requirements:
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+ * ./default.js
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+ */
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+
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+var _this = this;
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+
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+function emptyString(local) {
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+ return '';
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+}
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+
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+var myIds;
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+function callBefore(local, args) {
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+ if (!myIds) {
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+ myIds = duoshuoQuery.myIds || [];
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+ if (!myIds.slice) myIds = [myIds];
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+ myIds.reverse();
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+ }
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+
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+ var e = args[0];
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+ if (args.length == 1) // embed.unstable.js
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+ e = e.post;
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+
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+ local.agent = e.agent;
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+ local.webmaster = 0;
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+ var id = e.author_id;
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+ for (var i = myIds.length; i--; )
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+ if (myIds[i] == id) {
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+ local.webmaster = id;
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+ break;
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+ }
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+}
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+
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+function callAfter(local, args) {
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+ var res = local.result;
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+ var i = res.indexOf('<div class="ds-comment-header">');
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+ var j = res.indexOf('</div>', i);
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+ var func = duoshuoQuery.getUAString || getUAString || emptyString;
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+ local.result = res.slice(0, j) + func.call(_this, local) + res.slice(j);
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+}
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+
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+function init() {
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+ var post = DUOSHUO.templates.post;
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+ DUOSHUO.templates.post = function () {
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+ var local = {};
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+ var args = arguments;
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+ callBefore.call(this, local, args);
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+ local.result = post.apply(this, args);
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+ callAfter.call(this, local, args);
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+ return local.result;
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+ }
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+}
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+
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+function observeProperty(item, key, callback) {
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+ function callbackOnce() {
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+ var cb = callback;
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+ if (cb) {
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+ callback = null;
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+ cb();
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+ }
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+ }
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+ var value;
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+ if (item[key]) callbackOnce();
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+ else Object.defineProperty(item, key, {
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+ get: function () {return value;},
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+ set: function (val) {
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+ value = val;
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+ callbackOnce();
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+ },
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+ configurable: true,
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+ });
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+}
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+
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+function observePropertyChain(item, keys, callback) {
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+ function observe() {
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+ observeProperty(item, key, function () {
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+ item = item[key];
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+ if(key = keys.shift()) observe();
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+ else callback();
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+ });
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+ }
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+ var key = keys.shift();
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+ observe();
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+}
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+
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+observePropertyChain(window, ['DUOSHUO', 'templates', 'post'], init);
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+
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+/**
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+* User-Agent parser
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+* @author Gerald <gera2ld@163.com>
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+*/
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+
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+this.UAParser = function () {
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+ var mapper = {
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+ reg: function (str, maps) {
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+ return str.replace(maps[0], maps[1]);
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+ },
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+ str: function (str, maps) {
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+ return (str in maps) ? maps[str] : maps[''];
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+ },
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+ ieVer: function (str) {
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+ return parseInt(str, 10) + 4;
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+ },
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+ };
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+ var maps = {
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+ winVer: {
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+ '4.90': 'ME',
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+ 'NT3.51': 'NT 3.11',
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+ 'NT4.0': 'NT 4.0',
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+ 'NT 5.0': '2000',
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+ 'NT 5.1': 'XP',
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+ 'NT 5.2': 'XP',
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+ 'NT 6.0': 'Vista',
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+ 'NT 6.1': '7',
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+ 'NT 6.2': '8',
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+ 'NT 6.3': '8.1',
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+ 'NT 6.4': '10',
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+ 'NT 10.0': '10',
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+ 'ARM': 'RT',
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+ '': '山寨版',
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+ },
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+ };
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+ var NAME = 'name';
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+ var VERSION = 'version';
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+ var CLASS = 'cls';
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+ var CLS_WIN = [CLASS, 'windows'];
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+ var rules = {
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+ os: [
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+ // Windows
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+ [/(Windows Phone)(?: OS)? ?([^; )]*)/i,
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+ [NAME, VERSION, CLS_WIN]],
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+ [/(Windows) ([^;)]*)/i,
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+ [NAME, [VERSION, mapper.str, maps.winVer], CLS_WIN]],
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+ [/\b(Windows)\b/i,
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+ [NAME, [VERSION, '超级山寨版'], CLS_WIN]],
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+ // Mac
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+ [/(iPhone|iPod|iPad|Mac OS X)/i,
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+ [NAME, [CLASS, 'mac']]],
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+ // Android
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+ [/(Android) ?([^; )]*)/i,
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+ [NAME, VERSION, [CLASS, 'android']]],
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+ // Linux
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+ [/(Ubuntu|Linux)/i,
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+ [NAME, [CLASS, 'linux']]],
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+ [/()/i,
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+ [[NAME, '山寨操作系统'], [CLASS, 'other']]],
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+ ],
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+ browser: [
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+ // Opera
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+ [/(Opera Mini)\/(\d+)/i,
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+ [NAME, VERSION]],
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+ [[/(OPR)\/(\S+)/i, /(Presto)\/.*?Version\/(\S+)/i],
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+ [[NAME, 'Opera'], VERSION]],
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+ // Chromium based browsers
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+ [/(Maxthon|Vivaldi)\/(\S+)/i,
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+ [NAME, VERSION]],
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+ // Chrome
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+ // Chrome must be checked after other Chromium base browsers are checked
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+ [/(Chrome)\/(\S+)/i,
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+ [NAME, VERSION]],
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+ // UC/QQ
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+ [/(UC|QQ)Browser\/(\S+)/i,
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+ [[NAME, mapper.reg, [/$/, '浏览器']], VERSION]],
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+ // Safari
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+ [/Version\/(\S+) .*?(Safari)\//i,
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+ [VERSION, NAME]],
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+ // Firefox
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+ [/(Firefox)\/(\S+)/i,
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+ [NAME, VERSION]],
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+ // IE
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+ [/MS(IE) (\d+)\.0/i,
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+ [[NAME, 'Internet Explorer'], VERSION]],
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+ [/(Trident)\/(\d+)\.0/i,
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+ [[NAME, 'Internet Explorer'], [VERSION, mapper.ieVer]]],
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+ [/()/i,
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+ [[NAME, '山寨浏览器']]],
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+ ],
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+ };
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+ function getResult(matches, keys) {
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+ var res = {};
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+ keys.forEach(function(key, i) {
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+ var match = matches[i + 1];
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+ if (Array.isArray(key)) {
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+ if (typeof key[1] == 'function')
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+ res[key[0]] = key[1](match, key[2]);
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+ else res[key[0]] = key[1];
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+ } else res[key] = match;
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+ });
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+ return res;
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+ }
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+ function getString(obj) {
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+ var str = obj.name;
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+ if (obj.version)
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+ str += ' ' + obj.version;
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+ return str;
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+ }
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+ function parse(agent) {
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+ var result = {};
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+ for (var key in rules)
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+ rules[key].some(function (rule) {
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+ var regex = rule[0];
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+ var attrs = rule[1];
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+ if (!Array.isArray(regex))
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+ regex = [regex];
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+ return regex.some(function(re) {
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+ var matches = agent.match(re);
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+ if (matches) {
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+ result[key] = getResult(matches, attrs);
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+ return true;
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+ }
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+ });
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+ });
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+ return result;
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+ }
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+
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+ return {
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+ parse: parse,
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+ getString: getString,
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+ };
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+}();
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+
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+var getUAString = function (local) {
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+ var UAParser = this.UAParser;
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+ var agent = UAParser.parse(local.agent);
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+ return '<div class="ds-os">' + UAParser.getString(agent.os) + '</div>' +
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+ '<div class="ds-br">' + UAParser.getString(agent.browser) + '</div>' +
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+ (local.webmaster ? '<div class=ds-webmaster>站长</div>' : '');
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+};
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+
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+}.call({});
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Gerald