Website-Finder/C#/Program.cs

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C#
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2021-06-25 01:05:28 +02:00
using System;
using System.IO;
using System.Net;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Collections.Generic;
using System.Linq;
class WebRequests
{
public static void Main()
{
int times = 3000;
string[] domains = new string[]{".co", ".com", ".net", ".edu", ".gov", ".cn", ".org", ".cc", ".us", ".mil", ".ac", ".it", ".de"};
string[] mode = new string[]{"http", "https"};
bool log = true;
int mini = 2;
int maxi = 50;
int second = 1;
List<data> _data = new List<data>();
for (int i = 0; i < times; i++)
{
string url = RandomURL(domains, mode, mini, maxi, second);
if (log) Console.WriteLine($"{url} ({i+1}/{times})");
try
{
WebRequest request = WebRequest.Create(url);
request.Credentials = CredentialCache.DefaultCredentials;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
// exists, save url and response
Console.WriteLine($"{url} exists! {response.StatusDescription}");
_data.Add(new data()
{
website_url = url,
response_type = "SUCCESS",
response_code = $"{(int)response.StatusCode}",
response_details = response.StatusDescription
});
response.Close();
}
catch (System.Net.WebException e)
{
if (e.InnerException != null)
{
if (e.InnerException.InnerException != null)
{
if (e.InnerException.InnerException.GetType() != typeof(System.Net.Sockets.SocketException))
{ // exists, save url and exception
Console.WriteLine($"{url} exists! {e.InnerException.InnerException.GetType()}");
_data.Add(new data()
{
website_url = url,
response_type = "ERROR",
response_code = "UNKNOWN", // Haven't found out if there is a way to get the response code from host
response_details = $"{e.InnerException.InnerException.GetType()} | {e.Message}"
});
}
}
}
}
}
string json = JsonSerializer.Serialize(_data);
File.WriteAllText("C#_report.json", json);
}
public class data
{
public string website_url {get; set;}
public string response_type {get; set;}
public string response_code {get; set;}
public string response_details {get; set;}
}
private static Random random = new Random();
public static string RandomURL(string[] d, string[] m, int mini, int maxi, int second)
{
const string chars = "abcdefghijklmnopqrstuvwyxz0123456789";
string full_url = m[random.Next(m.Length)] + "://"; // Mode (http/https)
full_url += new string (Enumerable.Repeat(chars, random.Next(mini, maxi))
.Select(s => s[random.Next(s.Length)]).ToArray()); // Domain name (abc69)
full_url += d[random.Next(d.Length)]; // Top-level domain (.fr)
if (random.Next(100) <= second) full_url += d[random.Next(d.Length)]; // Second-level domain (.co)
return full_url;
}
}