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Merged
cdprf merged 1 commit into from
Oct 29, 2025
Merged

Implement Detailed Proxy Checking #2

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1 change: 1 addition & 0 deletions CheckProxy.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
<ItemGroup>
<PackageReference Include="Spectre.Console" Version="0.45.0" />
<PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
</ItemGroup>

</Project>
192 changes: 42 additions & 150 deletions Program.cs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
using Spectre.Console;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.CommandLine;

/// <summary>
Expand Down Expand Up @@ -53,21 +51,26 @@ public static async Task<int> Main(string[] args)
/// <param name="timeout">The timeout in milliseconds for each check.</param>
static async Task CheckSingleProxy(string proxyAddress, int timeout)
{
if (IPEndPoint.TryParse(proxyAddress, out var proxyEndPoint))
if (IPEndPoint.TryParse(proxyAddress, out _))
{
var webProxy = new WebProxy(proxyAddress);
AnsiConsole.MarkupLine("Target: [bold]" + proxyAddress + "[/]");

var columns = new List<Markup>
{
new Markup("[bold]Ping Check[/]"),
new Markup("[bold]TCP Connection[/]"),
new Markup("[bold]HTTP Proxy Check[/]"),
};
AnsiConsole.Write(new Columns(columns));

var results = await RunChecksInParallel(webProxy, proxyEndPoint, timeout);
AnsiConsole.Write(new Columns(results.Select(r => new Markup(r.ToString()))));
var checker = new ProxyChecker(webProxy);
var proxyInfo = await checker.CheckProxyAsync();

var table = new Table();
table.AddColumn("Property");
table.AddColumn("Value");

table.AddRow("Address", proxyInfo.Address ?? "N/A");
table.AddRow("Type", proxyInfo.Type ?? "N/A");
table.AddRow("Anonymity", proxyInfo.Anonymity ?? "N/A");
table.AddRow("Country", proxyInfo.Country ?? "N/A");
table.AddRow("ASN", proxyInfo.Asn ?? "N/A");
table.AddRow("Outgoing IP", proxyInfo.OutgoingIp ?? "N/A");
table.AddRow("Alive", proxyInfo.IsAlive ? "[green]Yes[/]" : "[red]No[/]");
table.AddRow("Additional Headers", proxyInfo.AdditionalHeaders ?? "N/A");

AnsiConsole.Write(table);
}
else
{
Expand All @@ -91,14 +94,14 @@ static async Task CheckProxiesFromFile(FileInfo file, int timeout)
var proxies = await File.ReadAllLinesAsync(file.FullName);
AnsiConsole.MarkupLine($"[yellow]Found {proxies.Length} proxies in {file.Name}. Starting checks...[/]");

var columns = new List<Markup>
{
new Markup("[bold]Proxy[/]"),
new Markup("[bold]Ping[/]"),
new Markup("[bold]TCP[/]"),
new Markup("[bold]HTTP[/]"),
};
AnsiConsole.Write(new Columns(columns));
var table = new Table();
table.AddColumn("Address");
table.AddColumn("Type");
table.AddColumn("Anonymity");
table.AddColumn("Country");
table.AddColumn("ASN");
table.AddColumn("Outgoing IP");
table.AddColumn("Alive");

var tasks = new List<Task>();
var semaphore = new SemaphoreSlim(10); // Limit to 10 concurrent checks
Expand All @@ -111,25 +114,25 @@ static async Task CheckProxiesFromFile(FileInfo file, int timeout)
{
try
{
if (IPEndPoint.TryParse(proxyAddress, out var proxyEndPoint))
if (IPEndPoint.TryParse(proxyAddress, out _))
{
var webProxy = new WebProxy(proxyAddress);
var results = await RunChecksInParallel(webProxy, proxyEndPoint, timeout);
AnsiConsole.Write(new Columns(
new Markup(proxyAddress),
new Markup(results[0].ToString()),
new Markup(results[1].ToString()),
new Markup(results[2].ToString())
));
var checker = new ProxyChecker(webProxy);
var proxyInfo = await checker.CheckProxyAsync();

table.AddRow(
proxyInfo.Address ?? "N/A",
proxyInfo.Type ?? "N/A",
proxyInfo.Anonymity ?? "N/A",
proxyInfo.Country ?? "N/A",
proxyInfo.Asn ?? "N/A",
proxyInfo.OutgoingIp ?? "N/A",
proxyInfo.IsAlive ? "[green]Yes[/]" : "[red]No[/]"
);
}
else
{
AnsiConsole.Write(new Columns(
new Markup(proxyAddress),
new Markup("[red]Invalid[/]"),
new Markup("[red]Invalid[/]"),
new Markup("[red]Invalid[/]")
));
table.AddRow(proxyAddress, "[red]Invalid[/]", "[red]Invalid[/]", "[red]Invalid[/]", "[red]Invalid[/]", "[red]Invalid[/]", "[red]No[/]");
}
}
finally
Expand All @@ -140,118 +143,7 @@ static async Task CheckProxiesFromFile(FileInfo file, int timeout)
}

await Task.WhenAll(tasks);
AnsiConsole.Write(table);
AnsiConsole.MarkupLine("[green]All proxy checks complete.[/]");
}

/// <summary>
/// Runs a series of checks for a given proxy in parallel.
/// </summary>
/// <param name="wp">The WebProxy object for the proxy.</param>
/// <param name="proxyEp">The IPEndPoint for the proxy.</param>
/// <param name="timeout">The timeout in milliseconds for each check.</param>
/// <returns>A boolean array indicating the result of each check.</returns>
static async Task<bool[]> RunChecksInParallel(WebProxy wp, IPEndPoint proxyEp, int timeout)
{
var pingCheckTask = PingCheckAsync(proxyEp.Address.ToString(), timeout);
var tcpConnectionTask = TcpConnectionCheckAsync(wp.Address.Host, wp.Address.Port, timeout);
var httpProxyCheckTask = HttpProxyCheckAsync(wp, timeout);

await Task.WhenAll(
pingCheckTask,
tcpConnectionTask,
httpProxyCheckTask);

return new[]
{
pingCheckTask.Result,
tcpConnectionTask.Result,
httpProxyCheckTask.Result,
};
}

/// <summary>
/// Performs an HTTP GET request through the proxy to check its functionality.
/// </summary>
/// <param name="wp">The WebProxy to use for the request.</param>
/// <param name="timeout">The timeout in milliseconds for the request.</param>
/// <returns>True if the request is successful; otherwise, false.</returns>
static async Task<bool> HttpProxyCheckAsync(WebProxy wp, int timeout)
{
var handler = new HttpClientHandler
{
Proxy = wp,
UseProxy = true,
};

using var client = new HttpClient(handler);
client.Timeout = TimeSpan.FromMilliseconds(timeout);

try
{
using var response = await client.GetAsync("http://www.google.com/generate_204");
return response.IsSuccessStatusCode;
}
catch
{
return false;
}
}

/// <summary>
/// Pings the specified address to check for reachability.
/// </summary>
/// <param name="address">The IP address or hostname to ping.</param>
/// <param name="timeout">The timeout in milliseconds for the ping.</param>
/// <returns>True if the ping is successful; otherwise, false.</returns>
static async Task<bool> PingCheckAsync(string address, int timeout)
{
using var ping = new Ping();
try
{
var reply = await ping.SendPingAsync(address, timeout);
return reply?.Status == IPStatus.Success;
}
catch (PingException)
{
return false;
}
}

/// <summary>
/// Attempts to open a TCP socket to the specified host and port.
/// </summary>
/// <param name="host">The target host.</param>
/// <param name="port">The target port.</param>
/// <param name="timeout">The timeout in milliseconds for the connection attempt.</param>
/// <returns>True if the connection is successful; otherwise, false.</returns>
static async Task<bool> TcpConnectionCheckAsync(string host, int port, int timeout)
{
using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
var connectTask = socket.ConnectAsync(host, port);
var timeoutTask = Task.Delay(TimeSpan.FromMilliseconds(timeout));

var completedTask = await Task.WhenAny(connectTask, timeoutTask);

if (completedTask == timeoutTask)
{
return false;
}

await connectTask;
return socket.Connected;
}
catch
{
return false;
}
finally
{
if (socket.Connected)
{
socket.Disconnect(false);
}
}
}
}
}
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