C#里执行Js,C#解析JS方法--附58同城自动登录功能

58同城的登录是使用的Post提交方法，提交原文章是这样的

isweak=1&path=http%3A%2F%2Fxa.58.com%2F%3Fpts%3D1356513306818&p1=d25fbcbee8542bf546fbb8e54219d106&p2=f628477367385fe52c7fd1886c30ce4c×ign=1356513341009&ptk=e3741580635e4fd8aab83345a3433853&cd=8739&username=用户名&password=password

里面是没有密码是，而是使用JS进行的加密p1,p2就是加密后的数据，

那这个是使用一个JS文件来加密的，JS文件如下

function getm32str(str, timesign) {
return hex_md5(hex_md5(str) + timesign);
}
function getm16str(str, timesign) {
return hex_md5(str + timesign);
}
function hex_md5(s) {
return binl2hex(core_md5(str2binl(s), s.length * 8));
}
function str2binl(str) {
var bin = Array();
var mask = (1 << 8) - 1;
for (var i = 0; i < str.length * 8; i += 8) {
bin[i >> 5] |= (str.charCodeAt(i / 8) & mask) << (i % 32);
}
return bin;
}
function md5_cmn(q, a, b, x, s, t) {
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
}
function md5_ff(a, b, c, d, x, s, t) {
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t) {
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t) {
return md5_cmn(b ^ c ^ d, a, b, x, s, t)
}
function md5_ii(a, b, c, d, x, s, t) {
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
function core_md5(x, len) {
x[len >> 5] |= 0x80 << ((len) % 32);
x[(((len + 64) >>> 9) << 4) + 14] = len;
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
for (var i = 0; i < x.length; i += 16) {
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd)
}
return Array(a, b, c, d);
}
function bit_rol(num, cnt) {
return (num << cnt) | (num >>> (32 - cnt));
}
function safe_add(x, y) {
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF)
}
function binl2hex(binarray) {
var hexcase = 0;
var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
var str = "";
for (var i = 0; i < binarray.length * 4; i++) {
str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF)
}
return str;
}

现在最关键的是怎么在C#里执行JS方法，

我们先在自己的项目里添加两个引用看下图



然后看我的代码吧

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DotNet.Utilities;
using System.Text.RegularExpressions;
using System.Web;
using System.CodeDom.Compiler;
using System.Reflection;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private static readonly CodeDomProvider _provider = new Microsoft.JScript.JScriptCodeProvider();
private static Type _evaluateType;
private void button1_Click(object sender, EventArgs e)
{
#region MyRegion
StringBuilder sb = new StringBuilder();
sb.Append("package aa{ public class JScript {");
sb.Append("public static function getm32str(str, timesign) {");
sb.Append("");
sb.Append("    return hex_md5(hex_md5(str) + timesign);");
sb.Append("}");
sb.Append("");
sb.Append("");
sb.Append("public static function getm16str(str, timesign) {");
sb.Append("");
sb.Append("    return hex_md5(str + timesign);");
sb.Append("}");
sb.Append("");
sb.Append("");
sb.Append("public static function hex_md5(s) {");
sb.Append("    return binl2hex(core_md5(str2binl(s), s.length * 8));");
sb.Append("}");
sb.Append("");
sb.Append("public static function str2binl(str) {");
sb.Append("    var bin = Array();");
sb.Append("    var mask = (1 << 8) - 1;");
sb.Append("    for (var i = 0; i < str.length * 8; i += 8) {");
sb.Append("        bin[i >> 5] |= (str.charCodeAt(i / 8) & mask) << (i % 32);");
sb.Append("    }");
sb.Append("    return bin;");
sb.Append("}");
sb.Append("");
sb.Append("public static function md5_cmn(q, a, b, x, s, t) {");
sb.Append("    return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);");
sb.Append("}");
sb.Append("public static function md5_ff(a, b, c, d, x, s, t) {");
sb.Append("    return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);");
sb.Append("}");
sb.Append("public static function md5_gg(a, b, c, d, x, s, t) {");
sb.Append("    return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);");
sb.Append("}");
sb.Append("public static function md5_hh(a, b, c, d, x, s, t) {");
sb.Append("    return md5_cmn(b ^ c ^ d, a, b, x, s, t)");
sb.Append("}");
sb.Append("public static function md5_ii(a, b, c, d, x, s, t) {");
sb.Append("    return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);");
sb.Append("}");
sb.Append("");
sb.Append("");
sb.Append("public static function core_md5(x, len) {");
sb.Append("    x[len >> 5] |= 0x80 << ((len) % 32);");
sb.Append("    x[(((len + 64) >>> 9) << 4) + 14] = len;");
sb.Append("    var a = 1732584193;");
sb.Append("    var b = -271733879;");
sb.Append("    var c = -1732584194;");
sb.Append("    var d = 271733878;");
sb.Append("    for (var i = 0; i < x.length; i += 16) {");
sb.Append("        var olda = a;");
sb.Append("        var oldb = b;");
sb.Append("        var oldc = c;");
sb.Append("        var oldd = d;");
sb.Append("        a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);");
sb.Append("        d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);");
sb.Append("        c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);");
sb.Append("        b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);");
sb.Append("        a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);");
sb.Append("        d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);");
sb.Append("        c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);");
sb.Append("        b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);");
sb.Append("        a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);");
sb.Append("        d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);");
sb.Append("        c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);");
sb.Append("        b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);");
sb.Append("        a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);");
sb.Append("        d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);");
sb.Append("        c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);");
sb.Append("        b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);");
sb.Append("        a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);");
sb.Append("        d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);");
sb.Append("        c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);");
sb.Append("        b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);");
sb.Append("        a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);");
sb.Append("        d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);");
sb.Append("        c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);");
sb.Append("        b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);");
sb.Append("        a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);");
sb.Append("        d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);");
sb.Append("        c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);");
sb.Append("        b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);");
sb.Append("        a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);");
sb.Append("        d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);");
sb.Append("        c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);");
sb.Append("        b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);");
sb.Append("        a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);");
sb.Append("        d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);");
sb.Append("        c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);");
sb.Append("        b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);");
sb.Append("        a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);");
sb.Append("        d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);");
sb.Append("        c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);");
sb.Append("        b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);");
sb.Append("        a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);");
sb.Append("        d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);");
sb.Append("        c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);");
sb.Append("        b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);");
sb.Append("        a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);");
sb.Append("        d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);");
sb.Append("        c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);");
sb.Append("        b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);");
sb.Append("        a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);");
sb.Append("        d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);");
sb.Append("        c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);");
sb.Append("        b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);");
sb.Append("        a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);");
sb.Append("        d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);");
sb.Append("        c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);");
sb.Append("        b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);");
sb.Append("        a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);");
sb.Append("        d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);");
sb.Append("        c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);");
sb.Append("        b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);");
sb.Append("        a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);");
sb.Append("        d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);");
sb.Append("        c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);");
sb.Append("        b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);");
sb.Append("        a = safe_add(a, olda);");
sb.Append("        b = safe_add(b, oldb);");
sb.Append("        c = safe_add(c, oldc);");
sb.Append("        d = safe_add(d, oldd)");
sb.Append("    }");
sb.Append("    return Array(a, b, c, d);");
sb.Append("}");
sb.Append("");
sb.Append("public static function bit_rol(num, cnt) {");
sb.Append("    return (num << cnt) | (num >>> (32 - cnt));");
sb.Append("}");
sb.Append("");
sb.Append("public static function safe_add(x, y) {");
sb.Append("    var lsw = (x & 0xFFFF) + (y & 0xFFFF);");
sb.Append("    var msw = (x >> 16) + (y >> 16) + (lsw >> 16);");
sb.Append("    return (msw << 16) | (lsw & 0xFFFF)");
sb.Append("}");
sb.Append("");
sb.Append("public static function binl2hex(binarray) {");
sb.Append("var hexcase = 0;");
sb.Append("");
sb.Append("    var hex_tab = hexcase ? \"0123456789ABCDEF\" : \"0123456789abcdef\";");
sb.Append("    var str = \"\";");
sb.Append("    for (var i = 0; i < binarray.length * 4; i++) {");
sb.Append("        str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8 + 4)) & 0xF) + hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF)");
sb.Append("    }");
sb.Append("    return str;");
sb.Append("}");
sb.Append("}}");
#endregion
CompilerParameters parameters = new CompilerParameters();
parameters.GenerateInMemory = true;
CompilerResults results = _provider.CompileAssemblyFromSource(parameters, sb.ToString());
Assembly assembly = results.CompiledAssembly;
string time = "";
DateTime d1 = DateTime.Now.AddHours((double)(-8));
DateTime d2 = new DateTime(1970, 1, 1);
long d = (long)d1.Subtract(d2).TotalMilliseconds;
//得到时间串
time = d.ToString();
_evaluateType = assembly.GetType("aa.JScript");
object[] w = new object[] { textBox2.Text.Trim(), time };
object ww = _evaluateType.InvokeMember("getm32str", BindingFlags.InvokeMethod,
null, null, w);
//得到P1
string p1 = ww.ToString();
w = new object[] { textBox2.Text.Trim() };
ww = _evaluateType.InvokeMember("hex_md5", BindingFlags.InvokeMethod,
null, null, w);
string m32 = ww.ToString();
m32 = m32.Substring(8, 24);
string result = "";
for (int i = m32.Length - 1; i >= 0; i--)
{
result += m32.Substring(i, 1);
}
w = new object[] { textBox2.Text.Trim(), time };
ww = _evaluateType.InvokeMember("getm16str", BindingFlags.InvokeMethod,
null, null, w);
//得到P2
string p2 = ww.ToString();
HttpItem item = new HttpItem()
{
URL = "https://passport.58.com/dounionlogin",
Encoding = "utf-8",
Method = "POST",
Postdata = "isweak=1&path=http%3A%2F%2Fxa.58.com%2F%3Fpts%3D1356513306818&" +
"p1=" + p1 + "&" +
"p2=" + p2 + "&" +
"timesign=" + time + "&ptk=e3741580635e4fd8aab83345a3433853&cd=8739&username=sufei1125&password=password"
};
HttpHelper http = new HttpHelper();
string html = http.GetHtml(item);
if (string.IsNullOrEmpty(item.Cookie))
{
//登录失败
richTextBox1.Text = "登录失败";
}
else
{
//成功登录
richTextBox1.Text = "登录成功";
}
}
}
}

这样就行了，

具体的大家可以下载例子看看，合作的是我的HttpHelper类

来源:http://www.sufeinet.com/thread-1835-1-1.html