99 lines
3.8 KiB
C#
99 lines
3.8 KiB
C#
using System;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Collections.Generic;
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using System.Linq;
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class WebRequests
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{
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public static void Main(string[] args)
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{
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int times = Array.IndexOf(args, "-t") > -1 ? int.Parse(args[Array.IndexOf(args, "-t") + 1]) : 3000;
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string[] protocols = Array.IndexOf(args, "-p") > -1 ? args[Array.IndexOf(args, "-p") + 1].Split(",") : new string[]{"http"};
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string[] domains = Array.IndexOf(args, "-d") > -1 ? args[Array.IndexOf(args, "-d") + 1].Split(",") : new string[]{".co", ".com", ".net", ".edu", ".gov", ".cn", ".org", ".cc", ".us", ".mil", ".ac", ".it", ".de"};
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int second = Array.IndexOf(args, "-s") > -1 ? int.Parse(args[Array.IndexOf(args, "-s") + 1]) : 1;
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bool log = Array.IndexOf(args, "-l") > -1;
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int min = Array.IndexOf(args, "-MIN") > -1 ? int.Parse(args[Array.IndexOf(args, "-MIN") + 1]) : 2;
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int max = Array.IndexOf(args, "-MAX") > -1 ? int.Parse(args[Array.IndexOf(args, "-MAX") + 1]) : 50;
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DateTime time = DateTime.Now;
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Console.WriteLine($"\nI am going to look for websites through {times} random URLs (min length {min} and max length {max}) with the following domains: {String.Join(", ", domains)}");
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Console.WriteLine($"These URLs will use the protocols {String.Join(", ", protocols)} and each of those URLs have {second} in a 100 chance to have a second level domain.");
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Console.WriteLine($"Started at {time.Hour}h{time.Minute}m\n");
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List<data> _data = new List<data>();
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for (int i = 0; i < times; i++)
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{
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string url = RandomURL(domains, protocols, min, max, second);
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if (log) Console.WriteLine($"{url} ({i+1}/{times})");
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try
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{
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WebRequest request = WebRequest.Create(url);
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request.Credentials = CredentialCache.DefaultCredentials;
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HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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// exists, save url and response
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Console.WriteLine($"{url} exists! {response.StatusDescription}");
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_data.Add(new data()
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{
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website_url = url,
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response_type = "SUCCESS",
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response_code = $"{(int)response.StatusCode}",
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response_details = response.StatusDescription
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});
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response.Close();
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}
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catch (System.Net.WebException e)
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{
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if (e.InnerException != null)
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{
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if (e.InnerException.InnerException != null)
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{
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if (e.InnerException.InnerException.GetType() != typeof(System.Net.Sockets.SocketException))
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{ // exists, save url and exception
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Console.WriteLine($"{url} exists! {e.InnerException.InnerException.GetType()}");
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_data.Add(new data()
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{
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website_url = url,
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response_type = "ERROR",
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response_code = "UNKNOWN", // Haven't found out if there is a way to get the response code from host
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response_details = $"{e.InnerException.InnerException.GetType()} | {e.Message}"
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});
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}
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}
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}
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}
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}
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string json_file_name = $"C#_report_{time.Day}{time.Hour}{time.Minute}.json";
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string json = JsonSerializer.Serialize(_data);
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File.WriteAllText(json_file_name, json);
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}
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public class data
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{
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public string website_url {get; set;}
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public string response_type {get; set;}
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public string response_code {get; set;}
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public string response_details {get; set;}
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}
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private static Random random = new Random();
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public static string RandomURL(string[] d, string[] p, int min, int max, int second)
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{
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const string chars = "abcdefghijklmnopqrstuvwyxz0123456789";
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string full_url = p[random.Next(m.Length)] + "://"; // protocols (http/https)
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full_url += new string (Enumerable.Repeat(chars, random.Next(min, max))
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.Select(s => s[random.Next(s.Length)]).ToArray()); // Domain name (abc69)
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full_url += d[random.Next(d.Length)]; // Top-level domain (.fr)
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if (random.Next(100) <= second) full_url += d[random.Next(d.Length)]; // Second-level domain (.co)
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return full_url;
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}
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}
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