1 //获取时间戳 .net framework
2 /*
3 DateTime dt = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
4 int time = (int)(DateTime.Now - dt).TotalSeconds;
5 String Timestamp = time.ToString();
6 */
7 // .net core 获取时间戳
8 DateTime dt = new DateTime(1970, 1, 1,0, 0, 0, DateTimeKind.Utc);
9 int time = (int)(DateTime.Now.AddHours(-8) - dt).TotalSeconds;
10 String Timestamp = time.ToString();
11 //随机正整数,用于防止重放攻击
12 Random rd = new Random();
13 int rd_i = rd.Next();
14 String nonce = Convert.ToString(rd_i);
15 //SecretId
16 String SecretId = "";
17 //参数(用于编码)
18 String PostStr = string.Format("Action=DescribeLVBChannelList&Nonce={0}&Region=bj&SecretId={1}&Timestamp={2}", nonce, SecretId, Timestamp);
19 //地址
20 String url = "https://live.api.qcloud.com/v2/index.php";
21 //编码
22 UTF8Encoding enc = new UTF8Encoding();
23 String qm = "POSTlive.api.qcloud.com/v2/index.php" + "?" + PostStr;
24 byte[] dataToHash = enc.GetBytes(qm);
25 /*
26 var sha1 = SHA1.Create();
27 var result = sha1.ComputeHash(dataToHash);
28 */
29 HMACSHA1 hmac = new HMACSHA1()
30 {
31 Key = enc.GetBytes("")//SecretKey
32 };
33 var result = hmac.ComputeHash(dataToHash);
34 string Signature = Convert.ToBase64String(result);
35 //完整参数
36 var completeUrl = string.Format("Action=DescribeLVBChannelList&Nonce={0}&Region=bj&SecretId={1}&Signature={2}&Timestamp={3}", nonce, SecretId, Signature, Timestamp);
37
38 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
39 request.Method = "POST";
40 request.ContentType = "application/x-www-form-urlencoded";
41 request.ProtocolVersion = HttpVersion.Version10;
42 byte[] data = Encoding.UTF8.GetBytes(completeUrl);
43 request.ContentLength = data.Length;
44 Stream newStream = request.GetRequestStream();
45 newStream.Write(data, 0, data.Length);
46 newStream.Close();
47 HttpWebResponse response = null;
48 int httpStatus = 200;
49 string content;
50 try
51 {
52 response = (HttpWebResponse)request.GetResponse();
53 httpStatus = (int)response.StatusCode;
54 StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
55 content = reader.ReadToEnd();
56 }
57 catch (WebException e)
58 {
59 response = (HttpWebResponse)e.Response;
60 httpStatus = (int)response.StatusCode;
61 using (Stream errData = response.GetResponseStream())
62 {
63 using (StreamReader reader = new StreamReader(errData))
64 {
65 content = reader.ReadToEnd();
66 }
67 }
68 }
