inotify/Inotify/Sends/Products/FeishuSendTemplate.cs

97 lines
2.9 KiB
C#

using Inotify.Common;
using Newtonsoft.Json;
using System;
using System.IO;
using System.Net;
using System.Security.Cryptography;
using System.Text;
namespace Inotify.Sends.Products
{
public class FeishuAuth
{
[InputTypeAttribte(0, "WebHook", "WebHook", "https://open.feishu.cn/open-apis/bot/v2/hook/5d7b917e-bfb8-4c7e-ba8c-337xxxx")]
public string WebHook { get; set; }
[InputTypeAttribte(0, "Secret", "签名校验", "VcgAbeuZOhTZPSP0zxxxx")]
public string Secret { get; set; }
}
[SendMethodKey("C01A08B4-3A71-452B-9D4B-D8EC7EF1D68F", "飞书群机器人", Order = 22)]
public class FeishuASendTemplate : SendTemplate<FeishuAuth>
{
public override bool SendMessage(SendMessage message)
{
var timestamp = DateTime.Now.ToUnix() - 10;
var sign = GetHmac(timestamp, Auth.Secret);
var bodyObject = new
{
content = new
{
text = $"{message.Title}\n{message.Data}",
},
msg_type = "text",
sign = sign,
timestamp = timestamp,
};
Console.WriteLine(bodyObject);
var webRequest = WebRequest.Create(Auth.WebHook);
var bytes = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(bodyObject));
webRequest.Method = "POST";
webRequest.ContentType = "application/json";
webRequest.ContentLength = 0;
using (var postStream = webRequest.GetRequestStream())
{
var requestStream = webRequest.GetRequestStream();
webRequest.ContentLength = bytes.Length;
requestStream.Write(bytes, 0, bytes.Length);
}
try
{
var response = webRequest.GetResponse();
using (Stream stream = response.GetResponseStream())
{
using StreamReader reader = new StreamReader(stream, Encoding.UTF8);
var resuleJson = reader.ReadToEnd();
if (resuleJson.Contains("code"))
{
return false;
}
}
return true;
}
catch
{
return false;
}
}
private string GetHmac(long timestamp, string secret)
{
var stringToSign = $"{timestamp}\n{secret}";
using var hmacsha256 = new HMACSHA256Final(Encoding.UTF8.GetBytes(stringToSign));
return Convert.ToBase64String(hmacsha256.GetHashFinal());
}
}
public class HMACSHA256Final : HMACSHA256
{
public HMACSHA256Final(byte[] bytes) : base(bytes)
{
}
public byte[] GetHashFinal()
{
return base.HashFinal();
}
}
}