C# 电信能力开放平台API

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注册时间 2009-09-24

2009-12-07 16:11 |只看楼主 1^#

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本代码封装了对电信能力开放平台提供的发短信、语言呼叫接口的调用。把此代码加到自己的项目中就很容易实现短信验证码、短信提示、回拨卡业务等功能。

TelephoneAPI.cs：

using System;
using System.Collections.Generic;
using System.Text;
using System.Security.Cryptography;
using System.Web;
using System.Net;
namespace Telephone
{
public enum ResultCode
{
OK = 200,
非法请求_禁止发送 = 403,
请求消息错误 = 400,
请求失败 = 480
}
public class API
{
string transactionID;
string token;
#region 获取由SHA1加密的字符串
public string EncryptToSHA1(string str)
{
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
byte[] str1 = Encoding.UTF8.GetBytes(str);
byte[] str2 = sha1.ComputeHash(str1);
sha1.Clear();
(sha1 as IDisposable).Dispose();
return Convert.ToBase64String(str2);
}
#endregion
#region 获取由MD5加密的字符串
public string EncryptToMD5(string str)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] str1 = Encoding.UTF8.GetBytes(str);
byte[] str2 = md5.ComputeHash(str1, 0, str1.Length);
md5.Clear();
(md5 as IDisposable).Dispose();
return Convert.ToBase64String(str2);
}
#endregion
public string GetBase64String(string str)
{
byte[] buf = Encoding.UTF8.GetBytes(str);
return Convert.ToBase64String(buf);
}
/// <summary>
/// 获取一个时间戳，它是从1970年1月1日0时开始至现在的毫秒数
/// </summary>
/// <returns></returns>
public long GetTimeStamp()
{
TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1);
long timeStamp = (long)ts.TotalMilliseconds;
return timeStamp;
}
/// <summary>
/// 登录
/// </summary>
/// <param name="apID">你的用户ID</param>
/// <param name="apUserAccount">你的用户名</param>
/// <param name="funID">功能ID(短信或者呼叫等能力的编号)</param>
/// <param name="apKey">密钥</param>
public void Login(int apID, string apUserAccount, int funID, string apKey)
{
long timeStamp = this.GetTimeStamp();
//AuthRequestValue 格式如下：TimeStamp + “$” + APID+ “$” + APUserAccount + “$” + FunID + “$” + UrlEncode(Authenticator)，其中Authenticator的生成算法如下：Authenticator = Base64(SHA1 (TimeStamp + “$” + APID+ “$” + APUserAccount + “$” + FunID + “$” + APKEY))
string authenticator = EncryptToSHA1(string.Format("{0}${1}${2}${3}${4}", timeStamp, apID, apUserAccount, funID, apKey));
string authRequestValue = string.Format("{0}${1}${2}${3}${4}", timeStamp, apID, apUserAccount, funID, HttpUtility.UrlEncode(authenticator));
using (WebClient client = new WebClient())
{
client.Encoding = Encoding.UTF8;
string authResponseValue = client.DownloadString(string.Format("http://www.ctopen.cn/InterfaceForAP/Auth.aspx?AuthRequest={0}", authRequestValue));
//AuthResponseValue格式如下：Result + “$”+ TransactionID + “$”+ Token+ “$” + ErrorDescription+ “$” + TimeStamp
string[] resultArr = authResponseValue.Split(new char[] { '$' });
int resultCode = int.Parse(resultArr[0]);
if (resultCode == 0)
{
this.transactionID = resultArr[1];
this.token = resultArr[2];
timeStamp = long.Parse(resultArr[4]);
}
else
{
string errorDesc = resultArr[3];
throw new Exception(errorDesc);
}
}
}
/// <summary>
/// 打电话
/// </summary>
/// <param name="num1">第一呼叫号码(目前会听到广告)</param>
/// <param name="num2">第二呼叫号码</param>
/// <param name="num3"></param>
/// <param name="num4"></param>
/// <param name="num5"></param>
/// <returns>返回本次通话的会话ID，用于挂断电话</returns>
public string MakeCall(string num1, string num2, string num3, string num4, string num5)
{
string callbackUrl = "http://mail.loopc.com:443/CallReport.aspx";//用于记录通话时间等信息。查看费用请访问[url]http://mail.loopc.com:443/[/url]你的电话号码.txt
string safeCode = "";//好像没有作用。
long timeStamp = this.GetTimeStamp();//时间戳，用于计费
//用以标识唯一的呼叫，呼叫模块在中间计费或结束计费上报时将通过该字段上报。格式：第一呼叫号_时间戳(秒)_三位随机数
string sessionId = string.Format("{0}_{1}_{2}", num1, timeStamp, 123);//挂机时会用到
// 其中MakeCallRequestValue格式如下：Token+ “$” + Sessionid + “$” + Num1 + “$” + Num2+ “$”+Num3+ “$”+Num4+ “$”+Num5+ “$”+Code+ “$”+Url
string makeCallRequestValue = string.Format("{0}${1}${2}${3}${4}${5}${6}${7}${8}", this.token, sessionId, num1, num2, num3, num4, num5, safeCode, callbackUrl);
using (WebClient client = new WebClient())
{
client.Encoding = Encoding.UTF8;
string makeCallResponse = client.DownloadString(string.Format("http://118.123.249.4/ims/ghcall.php?MakeCallRequest={0}", makeCallRequestValue));
ResultCode resultCode = (ResultCode)int.Parse(makeCallResponse);//200：发送成功，403：非法请求_禁止发送,400：请求消息错误,480：请求失败
if (resultCode != ResultCode.OK)
{
throw new Exception(resultCode.ToString());
}
return sessionId;
}
}
/// <summary>
/// 挂断电话
/// </summary>
/// <param name="sessioinId">打电话时的会话ID</param>
public void HangupCall(string sessioinId)
{
using (WebClient client = new WebClient())
{
client.Encoding = Encoding.UTF8;
string response = client.DownloadString(string.Format("http://118.123.249.4/ims/ghcall.php?HangupCallRequest={0}", sessioinId));
ResultCode resultCode = (ResultCode)int.Parse(response);//挂断呼叫结果{200：挂机成功,400：请求消息错误,480：请求失败}
if (resultCode != ResultCode.OK)
{
throw new Exception(resultCode.ToString());
}
}
}
/// <summary>
/// 发送短信给指定号码
/// </summary>
/// <param name="msg">消息内容（不超过70汉字，英文不能超过140字符）</param>
/// <param name="toNo">接收者号码</param>
public void SendMsg(string msg, string toNo)
{
string fromNo = "";//指定以电信的哪个号码发出去。
msg = GetBase64String(msg);
//SendMsgRequestValue=UrlEncode(Token+ “$” + Phone + “$” + Msg + “$” + From)
string sendMsgRequestValue = string.Format("{0}${1}${2}${3}", this.token, toNo, msg, fromNo);
sendMsgRequestValue = HttpUtility.UrlEncode(sendMsgRequestValue);
using (WebClient client = new WebClient())
{
client.Encoding = Encoding.UTF8;
string response = client.DownloadString(string.Format("http://118.123.249.4/ims/ghsendim.php?SendMsgRequest={0}", sendMsgRequestValue));
response = response.Replace("SendMsgResponse=", "");//接口返回格式不统一，只好去除多余的字符。
ResultCode resultCode = (ResultCode)int.Parse(response); //短信发送结果：{200：发送成功,403：非法请求_禁止发送,400：请求消息错误}
if (resultCode != ResultCode.OK)
{
throw new Exception(resultCode.ToString());
}
}
}
}
}

复制代码

测试代码
Program.cs：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Telephone
{
class Program
{
static void Main(string[] args)
{
API api = new API();
api.Login(10000111, "xu123456", 10000033, "5e30d0303a874415ae641f227b5c29b6"); //登录
api.SendMsg("hello", "13500000001");//发短信
string sessionId = api.MakeCall("13500000001", "1350000002", null, null, null);//打电话，目前好像就支持两个人通话
Console.WriteLine(sessionId);
Console.WriteLine("press any key to hangup the call.");
Console.ReadLine();
api.HangupCall(sessionId);//挂断电话
Console.WriteLine("end.");
Console.ReadLine();
}
}
}