原文链接
using System;
using System.Text;
using System.Net;
using System.IO;
using System.Collections.Generic;
using System.Web;
using System.Security.Cryptography;
using Newtonsoft.Json;
namespace SUBMAIL
{
public class MessageSendDemo
{
private const string API_MessageSend = "https://api.mysubmail.com/message/send.json";
private const string API_Timestamp = "https://api.mysubmail.com/service/timestamp.json";
public void Demo()
{
string appid = "your_appid";
string appkey = "your_appkey";
string to = "your_telephone";
string content = "sms_text";
string sign_type = "normal"; //加密方式有normal,md5,sha1
string result = Send(appid, appkey, to, content, sign_type);
Console.WriteLine(result);
}
public String Send(string appid, string appkey, string to, string content, string sign_type)
{
Dictionary d = new Dictionary();
d.Add("appid", appid);
d.Add("to", to);
d.Add("content", content);
//如果不使用加密方式或者signature传normal则signature参数传入appkey的值
if (sign_type.Equals("md5") || sign_type.Equals("sha1"))
{
HttpWebResponse hwp = CreateGetHttpResponse(API_Timestamp);
string jsonResult = GetResponseString(hwp);
hwp.Close();
Dictionary jsonMap = JsonConvert.DeserializeObject>(jsonResult);
string timestamp = jsonMap["timestamp"];
d.Add("sign_type", sign_type);
d.Add("timestamp", timestamp);
if (sign_type.Equals("md5"))
{
d.Add("signature", GetMD5Signature(FormatRequest(d), appid, appkey));
}
else
{
d.Add("signature", GetSHA1Signature(FormatRequest(d), appid, appkey));
}
}
else
{
d.Add("signature", appkey);
}
HttpWebResponse h = CreatePostHttpResponse(API_MessageSend, d);
string response = GetResponseString(h);
h.Close();
return response;
}
//http post请求
public HttpWebResponse CreatePostHttpResponse(string url, Dictionary parameters)
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;//创建请求对象
request.Method = "POST";//请求方式
request.ContentType = "application/x-www-form-urlencoded";//链接类型
//构造查询字符串
if (!(parameters == null || parameters.Count == 0))
{
StringBuilder buffer = new StringBuilder();
bool first = true;
foreach (string key in parameters.Keys)
{
if (!first)
{
buffer.AppendFormat("&{0}={1}", HttpUtility.UrlEncode(key, Encoding.UTF8), HttpUtility.UrlEncode((string)parameters[key], Encoding.UTF8));
}
else
{
buffer.AppendFormat("{0}={1}", HttpUtility.UrlEncode(key, Encoding.UTF8), HttpUtility.UrlEncode((string)parameters[key], Encoding.UTF8));
first = false;
}
}
Console.WriteLine("requestParam:" + buffer.ToString());
byte[] data = Encoding.UTF8.GetBytes(buffer.ToString());
//写入请求流
using (Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
stream.Close();
}
}
return request.GetResponse() as HttpWebResponse;
}
//获取服务器时间戳
public HttpWebResponse CreateGetHttpResponse(string url)
{
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;//创建请求对象
request.Method = "GET";//请求方式
request.ContentType = "application/x-www-form-urlencoded";
return request.GetResponse() as HttpWebResponse;
}
public string GetResponseString(HttpWebResponse webresponse)
{
using (Stream s = webresponse.GetResponseStream())
{
StreamReader reader = new StreamReader(s, Encoding.UTF8);
return reader.ReadToEnd();
}
}
//加密参数升序
public string FormatRequest(Dictionary data)
{
StringBuilder builder = new StringBuilder();
if (data.Count > 0)
{
List> lst = new List>(data);
lst.Sort(delegate (KeyValuePair s1, KeyValuePair s2)
{
return s1.Key.CompareTo(s2.Key);
});
foreach (KeyValuePair kvp in lst)
{
if (kvp.Value != null)
{
builder.Append(string.Format("{0}={1}&", kvp.Key, kvp.Value));
}
}
}
string formatData = builder.ToString();
Console.WriteLine(formatData);
if (formatData.Length > 0)
{
return formatData.Substring(0, formatData.Length - 1);
}
return null;
}
//获取md5加密后的签名字符串
private string GetMD5Signature(string data, string appid, string appkey)
{
string signStr = string.Format("{0}{1}{2}{3}{4}", appid, appkey, data, appid, appkey);
MD5 md5 = new MD5CryptoServiceProvider();
byte[] fromData = Encoding.GetEncoding("utf-8").GetBytes(signStr);
byte[] targetData = md5.ComputeHash(fromData);
StringBuilder sBuilder = new StringBuilder();
for (int i = 0; i < targetData.Length; i++)
{
sBuilder.Append(targetData[i].ToString("x2"));
}
return sBuilder.ToString();
}
//获取sha1加密后的签名字符串
private string GetSHA1Signature(string data, string appid, string appkey)
{
string signStr = string.Format("{0}{1}{2}{3}{4}", appid, appkey, data, appid, appkey);
SHA1 sha1 = new SHA1CryptoServiceProvider();
byte[] fromData = Encoding.GetEncoding("utf-8").GetBytes(signStr);
byte[] targetData = sha1.ComputeHash(fromData);
StringBuilder sBuilder = new StringBuilder();
for (int i = 0; i < targetData.Length; i++)
{
sBuilder.Append(targetData[i].ToString("x2"));
}
return sBuilder.ToString();
}
}
}