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.Net C# code samples for API key auth
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‎apikey/net/ApiKeyAuthTest.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Security.Cryptography;
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using System.Net;
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using System.IO;
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using Newtonsoft.Json;
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/*
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* Target platform: .Net Framework 4.0
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*
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* You need to install Newtonsoft JSON.NET
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*
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*/
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namespace ApiKeyAuthTest
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{
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class ApiKeyAuth
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{
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static void Main(string[] args)
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{
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new ApiKeyAuth().Run();
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}
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public void Run()
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{
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string username = "username";
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string apiKey = "api_key";
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string secretKey = "secret_key";
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string url = "https://whoisxmlapi.com/whoisserver/WhoisService?";
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string[] domains =
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{
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"google.com",
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"example.com",
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"whoisxmlapi.com",
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"twitter.com"
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};
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bool reuseDigest = true;
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this.PerformRequest(username, apiKey, secretKey,
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url, domains, reuseDigest);
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}
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protected void PerformRequest(string username, string apiKey,
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string secretKey, string url, string[] domains, bool reuseDigest)
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{
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long timestamp = this.GetTimeStamp();
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string digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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foreach (string domain in domains)
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{
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try
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{
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if (!reuseDigest)
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{
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timestamp = this.GetTimeStamp();
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digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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}
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string request = this.BuildRequest(
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username, timestamp, digest, domain
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);
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string response = this.GetWhoisData(url + request);
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if (response.IndexOf("Request timeout") > -1)
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{
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timestamp = this.GetTimeStamp();
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digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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request = this.BuildRequest(
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username, timestamp, digest, domain
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);
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response = this.GetWhoisData(url + request);
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}
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this.PrintResponse(response);
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} catch(Exception e)
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{
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Console.WriteLine(
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"Error occurred\r\nCannot get whois data for "
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+ domain
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);
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}
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}
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Console.ReadLine();
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}
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protected string GenerateDigest(
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string username, string apiKey, string secretKey, long timestamp
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)
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{
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string data = username + timestamp + apiKey;
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HMACMD5 hmac = new HMACMD5(Encoding.UTF8.GetBytes(secretKey));
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string hex = BitConverter.ToString(
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hmac.ComputeHash(Encoding.UTF8.GetBytes(data))
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);
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return hex.Replace("-", "").ToLower();
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}
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protected string BuildRequest(
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string username, long timestamp, string digest, string domain
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)
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{
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UserData ud = new UserData();
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ud.u = username;
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ud.t = timestamp;
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string userData = JsonConvert.SerializeObject(ud, Formatting.None);
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var userDataBytes = System.Text.Encoding.UTF8.GetBytes(userData);
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string userDataBase64 = System.Convert.ToBase64String(userDataBytes);
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StringBuilder requestString = new StringBuilder();
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requestString.Append("requestObject=");
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requestString.Append(Uri.EscapeDataString(userDataBase64));
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requestString.Append("&digest=");
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requestString.Append(Uri.EscapeDataString(digest));
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requestString.Append("&domainName=");
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requestString.Append(domain);
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requestString.Append("&outputFormat=json");
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return requestString.ToString();
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}
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protected string GetWhoisData(string url)
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{
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string response;
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try {
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WebRequest wr = WebRequest.Create(url);
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WebResponse wp = wr.GetResponse();
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using (Stream data = wp.GetResponseStream())
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{
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using (StreamReader reader = new StreamReader(data))
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{
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response = reader.ReadToEnd();
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}
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}
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wp.Close();
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} catch (Exception e)
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{
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Console.WriteLine(e.Message);
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throw e;
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}
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return response;
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}
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protected void PrintResponse(string response)
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{
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dynamic responseObject = JsonConvert.DeserializeObject(response);
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if (responseObject.WhoisRecord != null)
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{
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var whois = responseObject.WhoisRecord;
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if (whois.createdDate != null)
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{
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Console.WriteLine(
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"Created date: "
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+ whois.createdDate.ToString()
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);
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}
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if (whois.expiresDate != null)
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{
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Console.WriteLine(
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"Expires date: "
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+ whois.expiresDate.ToString()
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);
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}
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if (whois.domainName != null)
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{
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Console.WriteLine(
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"Domain name: "
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+ whois.domainName.ToString()
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);
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}
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Console.WriteLine("--------------------------------");
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return;
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}
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Console.WriteLine(response);
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}
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protected long GetTimeStamp()
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{
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return (long)(DateTime.Now.Subtract(
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new DateTime(1970, 1, 1)
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).TotalMilliseconds * 1000);
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}
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}
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class UserData
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{
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public string u { get; set; }
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public long t { get; set; }
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}
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}

‎apikey/net/VisualStudio2017/ApiKeyAuthTest.cs‎

Lines changed: 198 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
5+
using System.Security.Cryptography;
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using System.Net;
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using System.IO;
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using Newtonsoft.Json;
9+
10+
/*
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* Target platform: .Net Framework 4.0
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*
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* You need to install Newtonsoft JSON.NET
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*
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*/
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17+
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namespace ApiKeyAuthTest
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{
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class ApiKeyAuth
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{
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static void Main(string[] args)
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{
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new ApiKeyAuth().Run();
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}
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public void Run()
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{
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string username = "username";
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string apiKey = "api_key";
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string secretKey = "secret_key";
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string url = "https://whoisxmlapi.com/whoisserver/WhoisService?";
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string[] domains =
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{
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"google.com",
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"example.com",
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"whoisxmlapi.com",
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"twitter.com"
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};
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bool reuseDigest = true;
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this.PerformRequest(username, apiKey, secretKey,
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url, domains, reuseDigest);
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}
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protected void PerformRequest(string username, string apiKey,
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string secretKey, string url, string[] domains, bool reuseDigest)
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{
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long timestamp = this.GetTimeStamp();
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string digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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foreach (string domain in domains)
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{
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try
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{
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if (!reuseDigest)
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{
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timestamp = this.GetTimeStamp();
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digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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}
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string request = this.BuildRequest(
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username, timestamp, digest, domain
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);
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string response = this.GetWhoisData(url + request);
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if (response.IndexOf("Request timeout") > -1)
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{
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timestamp = this.GetTimeStamp();
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digest = this.GenerateDigest(
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username, apiKey, secretKey, timestamp
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);
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request = this.BuildRequest(
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username, timestamp, digest, domain
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);
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response = this.GetWhoisData(url + request);
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}
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this.PrintResponse(response);
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} catch(Exception e)
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{
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Console.WriteLine(
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"Error occurred\r\nCannot get whois data for "
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+ domain
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);
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}
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}
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Console.ReadLine();
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}
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protected string GenerateDigest(
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string username, string apiKey, string secretKey, long timestamp
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)
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{
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string data = username + timestamp + apiKey;
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HMACMD5 hmac = new HMACMD5(Encoding.UTF8.GetBytes(secretKey));
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string hex = BitConverter.ToString(
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hmac.ComputeHash(Encoding.UTF8.GetBytes(data))
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);
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return hex.Replace("-", "").ToLower();
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}
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protected string BuildRequest(
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string username, long timestamp, string digest, string domain
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)
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{
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UserData ud = new UserData();
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ud.u = username;
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ud.t = timestamp;
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string userData = JsonConvert.SerializeObject(ud, Formatting.None);
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var userDataBytes = System.Text.Encoding.UTF8.GetBytes(userData);
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string userDataBase64 = System.Convert.ToBase64String(userDataBytes);
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StringBuilder requestString = new StringBuilder();
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requestString.Append("requestObject=");
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requestString.Append(Uri.EscapeDataString(userDataBase64));
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requestString.Append("&digest=");
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requestString.Append(Uri.EscapeDataString(digest));
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requestString.Append("&domainName=");
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requestString.Append(domain);
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requestString.Append("&outputFormat=json");
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return requestString.ToString();
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}
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protected string GetWhoisData(string url)
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{
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string response;
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try {
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WebRequest wr = WebRequest.Create(url);
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WebResponse wp = wr.GetResponse();
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using (Stream data = wp.GetResponseStream())
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{
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using (StreamReader reader = new StreamReader(data))
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{
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response = reader.ReadToEnd();
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}
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}
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wp.Close();
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} catch (Exception e)
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{
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Console.WriteLine(e.Message);
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throw e;
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}
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return response;
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}
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protected void PrintResponse(string response)
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{
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dynamic responseObject = JsonConvert.DeserializeObject(response);
153+
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if (responseObject.WhoisRecord != null)
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{
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var whois = responseObject.WhoisRecord;
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if (whois.createdDate != null)
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{
159+
Console.WriteLine(
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"Created date: "
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+ whois.createdDate.ToString()
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);
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}
164+
if (whois.expiresDate != null)
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{
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Console.WriteLine(
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"Expires date: "
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+ whois.expiresDate.ToString()
169+
);
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}
171+
if (whois.domainName != null)
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{
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Console.WriteLine(
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"Domain name: "
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+ whois.domainName.ToString()
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);
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}
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Console.WriteLine("--------------------------------");
179+
return;
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}
181+
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Console.WriteLine(response);
183+
}
184+
185+
protected long GetTimeStamp()
186+
{
187+
return (long)(DateTime.Now.Subtract(
188+
new DateTime(1970, 1, 1)
189+
).TotalMilliseconds * 1000);
190+
}
191+
}
192+
193+
class UserData
194+
{
195+
public string u { get; set; }
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public long t { get; set; }
197+
}
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}

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