mirror of
https://github.com/2dust/v2rayN.git
synced 2026-11-02 18:45:00 +03:00
csharp_style_namespace_declarations = file_scoped
This commit is contained in:
2dust
@@ -3,311 +3,310 @@ using System.Net;
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using System.Net.Http.Headers;
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using System.Net.Sockets;
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namespace ServiceLib.Services
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namespace ServiceLib.Services;
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/// <summary>
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///Download
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/// </summary>
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public class DownloadService
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{
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/// <summary>
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///Download
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/// </summary>
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public class DownloadService
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public event EventHandler<RetResult>? UpdateCompleted;
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public event ErrorEventHandler? Error;
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private static readonly string _tag = "DownloadService";
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public async Task<int> DownloadDataAsync(string url, WebProxy webProxy, int downloadTimeout, Action<bool, string> updateFunc)
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{
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public event EventHandler<RetResult>? UpdateCompleted;
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public event ErrorEventHandler? Error;
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private static readonly string _tag = "DownloadService";
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public async Task<int> DownloadDataAsync(string url, WebProxy webProxy, int downloadTimeout, Action<bool, string> updateFunc)
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{
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try
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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var progress = new Progress<string>();
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progress.ProgressChanged += (sender, value) => updateFunc?.Invoke(false, $"{value}");
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await DownloaderHelper.Instance.DownloadDataAsync4Speed(webProxy,
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url,
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progress,
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downloadTimeout);
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}
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catch (Exception ex)
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{
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updateFunc?.Invoke(false, ex.Message);
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if (ex.InnerException != null)
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{
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updateFunc?.Invoke(false, ex.InnerException.Message);
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}
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}
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return 0;
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}
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public async Task DownloadFileAsync(string url, string fileName, bool blProxy, int downloadTimeout)
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{
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try
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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UpdateCompleted?.Invoke(this, new RetResult(false, $"{ResUI.Downloading} {url}"));
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var progress = new Progress<double>();
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progress.ProgressChanged += (sender, value) => UpdateCompleted?.Invoke(this, new RetResult(value > 100, $"...{value}%"));
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var webProxy = await GetWebProxy(blProxy);
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await DownloaderHelper.Instance.DownloadFileAsync(webProxy,
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url,
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fileName,
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progress,
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downloadTimeout);
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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}
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}
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public async Task<string?> UrlRedirectAsync(string url, bool blProxy)
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try
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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var webRequestHandler = new SocketsHttpHandler
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{
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AllowAutoRedirect = false,
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Proxy = await GetWebProxy(blProxy)
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};
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HttpClient client = new(webRequestHandler);
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var response = await client.GetAsync(url);
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if (response.StatusCode == HttpStatusCode.Redirect && response.Headers.Location is not null)
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var progress = new Progress<string>();
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progress.ProgressChanged += (sender, value) => updateFunc?.Invoke(false, $"{value}");
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await DownloaderHelper.Instance.DownloadDataAsync4Speed(webProxy,
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url,
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progress,
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downloadTimeout);
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}
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catch (Exception ex)
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{
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updateFunc?.Invoke(false, ex.Message);
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if (ex.InnerException != null)
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{
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return response.Headers.Location.ToString();
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}
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else
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{
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Error?.Invoke(this, new ErrorEventArgs(new Exception("StatusCode error: " + response.StatusCode)));
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Logging.SaveLog("StatusCode error: " + url);
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return null;
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updateFunc?.Invoke(false, ex.InnerException.Message);
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}
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}
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return 0;
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}
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public async Task<string?> TryDownloadString(string url, bool blProxy, string userAgent)
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public async Task DownloadFileAsync(string url, string fileName, bool blProxy, int downloadTimeout)
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{
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try
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{
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try
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{
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var result1 = await DownloadStringAsync(url, blProxy, userAgent, 15);
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if (result1.IsNotEmpty())
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{
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return result1;
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}
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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}
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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UpdateCompleted?.Invoke(this, new RetResult(false, $"{ResUI.Downloading} {url}"));
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try
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{
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var result2 = await DownloadStringViaDownloader(url, blProxy, userAgent, 15);
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if (result2.IsNotEmpty())
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{
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return result2;
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}
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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}
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var progress = new Progress<double>();
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progress.ProgressChanged += (sender, value) => UpdateCompleted?.Invoke(this, new RetResult(value > 100, $"...{value}%"));
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return null;
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var webProxy = await GetWebProxy(blProxy);
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await DownloaderHelper.Instance.DownloadFileAsync(webProxy,
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url,
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fileName,
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progress,
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downloadTimeout);
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}
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/// <summary>
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/// DownloadString
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/// </summary>
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/// <param name="url"></param>
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private async Task<string?> DownloadStringAsync(string url, bool blProxy, string userAgent, int timeout)
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catch (Exception ex)
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{
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try
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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var webProxy = await GetWebProxy(blProxy);
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var client = new HttpClient(new SocketsHttpHandler()
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{
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Proxy = webProxy,
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UseProxy = webProxy != null
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});
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Logging.SaveLog(_tag, ex);
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if (userAgent.IsNullOrEmpty())
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{
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userAgent = Utils.GetVersion(false);
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}
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client.DefaultRequestHeaders.UserAgent.TryParseAdd(userAgent);
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Uri uri = new(url);
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//Authorization Header
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if (uri.UserInfo.IsNotEmpty())
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{
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client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Utils.Base64Encode(uri.UserInfo));
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}
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using var cts = new CancellationTokenSource();
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var result = await HttpClientHelper.Instance.GetAsync(client, url, cts.Token).WaitAsync(TimeSpan.FromSeconds(timeout), cts.Token);
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return result;
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}
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catch (Exception ex)
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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return null;
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}
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/// <summary>
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/// DownloadString
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/// </summary>
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/// <param name="url"></param>
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private async Task<string?> DownloadStringViaDownloader(string url, bool blProxy, string userAgent, int timeout)
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{
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try
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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var webProxy = await GetWebProxy(blProxy);
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if (userAgent.IsNullOrEmpty())
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{
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userAgent = Utils.GetVersion(false);
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}
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var result = await DownloaderHelper.Instance.DownloadStringAsync(webProxy, url, userAgent, timeout);
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return result;
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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}
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return null;
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}
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public async Task<int> RunAvailabilityCheck(IWebProxy? webProxy)
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{
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var responseTime = -1;
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try
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{
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webProxy ??= await GetWebProxy(true);
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var config = AppHandler.Instance.Config;
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for (var i = 0; i < 2; i++)
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{
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responseTime = await GetRealPingTime(config.SpeedTestItem.SpeedPingTestUrl, webProxy, 10);
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if (responseTime > 0)
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{
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break;
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}
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await Task.Delay(500);
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}
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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return -1;
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}
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return responseTime;
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}
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public async Task<int> GetRealPingTime(string url, IWebProxy? webProxy, int downloadTimeout)
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{
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var responseTime = -1;
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try
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{
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using var cts = new CancellationTokenSource();
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cts.CancelAfter(TimeSpan.FromSeconds(downloadTimeout));
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using var client = new HttpClient(new SocketsHttpHandler()
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{
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Proxy = webProxy,
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UseProxy = webProxy != null
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});
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List<int> oneTime = new();
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for (var i = 0; i < 2; i++)
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{
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var timer = Stopwatch.StartNew();
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await client.GetAsync(url, cts.Token).ConfigureAwait(false);
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timer.Stop();
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oneTime.Add((int)timer.Elapsed.TotalMilliseconds);
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await Task.Delay(100);
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}
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responseTime = oneTime.Where(x => x > 0).OrderBy(x => x).FirstOrDefault();
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}
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catch //(Exception ex)
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{
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//Utile.SaveLog(ex.Message, ex);
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}
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return responseTime;
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}
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private async Task<WebProxy?> GetWebProxy(bool blProxy)
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{
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if (!blProxy)
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{
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return null;
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}
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var port = AppHandler.Instance.GetLocalPort(EInboundProtocol.socks);
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if (await SocketCheck(Global.Loopback, port) == false)
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{
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return null;
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}
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return new WebProxy($"socks5://{Global.Loopback}:{port}");
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}
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private async Task<bool> SocketCheck(string ip, int port)
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{
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try
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{
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IPEndPoint point = new(IPAddress.Parse(ip), port);
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using Socket? sock = new(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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await sock.ConnectAsync(point);
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return true;
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}
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catch (Exception)
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{
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return false;
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}
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}
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private static void SetSecurityProtocol(bool enableSecurityProtocolTls13)
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{
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if (enableSecurityProtocolTls13)
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{
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ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12 | SecurityProtocolType.Tls13;
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}
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else
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{
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ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
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}
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ServicePointManager.DefaultConnectionLimit = 256;
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}
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}
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public async Task<string?> UrlRedirectAsync(string url, bool blProxy)
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{
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
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var webRequestHandler = new SocketsHttpHandler
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{
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AllowAutoRedirect = false,
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Proxy = await GetWebProxy(blProxy)
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};
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HttpClient client = new(webRequestHandler);
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var response = await client.GetAsync(url);
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if (response.StatusCode == HttpStatusCode.Redirect && response.Headers.Location is not null)
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{
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return response.Headers.Location.ToString();
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}
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else
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{
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Error?.Invoke(this, new ErrorEventArgs(new Exception("StatusCode error: " + response.StatusCode)));
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Logging.SaveLog("StatusCode error: " + url);
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return null;
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}
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}
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public async Task<string?> TryDownloadString(string url, bool blProxy, string userAgent)
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{
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try
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{
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var result1 = await DownloadStringAsync(url, blProxy, userAgent, 15);
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if (result1.IsNotEmpty())
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{
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return result1;
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}
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
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if (ex.InnerException != null)
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
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}
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try
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{
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var result2 = await DownloadStringViaDownloader(url, blProxy, userAgent, 15);
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if (result2.IsNotEmpty())
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{
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return result2;
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}
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}
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catch (Exception ex)
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{
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Logging.SaveLog(_tag, ex);
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Error?.Invoke(this, new ErrorEventArgs(ex));
|
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if (ex.InnerException != null)
|
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{
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Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
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}
|
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}
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return null;
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}
|
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/// <summary>
|
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/// DownloadString
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/// </summary>
|
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/// <param name="url"></param>
|
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private async Task<string?> DownloadStringAsync(string url, bool blProxy, string userAgent, int timeout)
|
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{
|
||||
try
|
||||
{
|
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SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
|
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var webProxy = await GetWebProxy(blProxy);
|
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var client = new HttpClient(new SocketsHttpHandler()
|
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{
|
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Proxy = webProxy,
|
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UseProxy = webProxy != null
|
||||
});
|
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|
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if (userAgent.IsNullOrEmpty())
|
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{
|
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userAgent = Utils.GetVersion(false);
|
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}
|
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client.DefaultRequestHeaders.UserAgent.TryParseAdd(userAgent);
|
||||
|
||||
Uri uri = new(url);
|
||||
//Authorization Header
|
||||
if (uri.UserInfo.IsNotEmpty())
|
||||
{
|
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client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Utils.Base64Encode(uri.UserInfo));
|
||||
}
|
||||
|
||||
using var cts = new CancellationTokenSource();
|
||||
var result = await HttpClientHelper.Instance.GetAsync(client, url, cts.Token).WaitAsync(TimeSpan.FromSeconds(timeout), cts.Token);
|
||||
return result;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logging.SaveLog(_tag, ex);
|
||||
Error?.Invoke(this, new ErrorEventArgs(ex));
|
||||
if (ex.InnerException != null)
|
||||
{
|
||||
Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// DownloadString
|
||||
/// </summary>
|
||||
/// <param name="url"></param>
|
||||
private async Task<string?> DownloadStringViaDownloader(string url, bool blProxy, string userAgent, int timeout)
|
||||
{
|
||||
try
|
||||
{
|
||||
SetSecurityProtocol(AppHandler.Instance.Config.GuiItem.EnableSecurityProtocolTls13);
|
||||
|
||||
var webProxy = await GetWebProxy(blProxy);
|
||||
|
||||
if (userAgent.IsNullOrEmpty())
|
||||
{
|
||||
userAgent = Utils.GetVersion(false);
|
||||
}
|
||||
var result = await DownloaderHelper.Instance.DownloadStringAsync(webProxy, url, userAgent, timeout);
|
||||
return result;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logging.SaveLog(_tag, ex);
|
||||
Error?.Invoke(this, new ErrorEventArgs(ex));
|
||||
if (ex.InnerException != null)
|
||||
{
|
||||
Error?.Invoke(this, new ErrorEventArgs(ex.InnerException));
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public async Task<int> RunAvailabilityCheck(IWebProxy? webProxy)
|
||||
{
|
||||
var responseTime = -1;
|
||||
try
|
||||
{
|
||||
webProxy ??= await GetWebProxy(true);
|
||||
var config = AppHandler.Instance.Config;
|
||||
|
||||
for (var i = 0; i < 2; i++)
|
||||
{
|
||||
responseTime = await GetRealPingTime(config.SpeedTestItem.SpeedPingTestUrl, webProxy, 10);
|
||||
if (responseTime > 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
await Task.Delay(500);
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logging.SaveLog(_tag, ex);
|
||||
return -1;
|
||||
}
|
||||
return responseTime;
|
||||
}
|
||||
|
||||
public async Task<int> GetRealPingTime(string url, IWebProxy? webProxy, int downloadTimeout)
|
||||
{
|
||||
var responseTime = -1;
|
||||
try
|
||||
{
|
||||
using var cts = new CancellationTokenSource();
|
||||
cts.CancelAfter(TimeSpan.FromSeconds(downloadTimeout));
|
||||
using var client = new HttpClient(new SocketsHttpHandler()
|
||||
{
|
||||
Proxy = webProxy,
|
||||
UseProxy = webProxy != null
|
||||
});
|
||||
|
||||
List<int> oneTime = new();
|
||||
for (var i = 0; i < 2; i++)
|
||||
{
|
||||
var timer = Stopwatch.StartNew();
|
||||
await client.GetAsync(url, cts.Token).ConfigureAwait(false);
|
||||
timer.Stop();
|
||||
oneTime.Add((int)timer.Elapsed.TotalMilliseconds);
|
||||
await Task.Delay(100);
|
||||
}
|
||||
responseTime = oneTime.Where(x => x > 0).OrderBy(x => x).FirstOrDefault();
|
||||
}
|
||||
catch //(Exception ex)
|
||||
{
|
||||
//Utile.SaveLog(ex.Message, ex);
|
||||
}
|
||||
return responseTime;
|
||||
}
|
||||
|
||||
private async Task<WebProxy?> GetWebProxy(bool blProxy)
|
||||
{
|
||||
if (!blProxy)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
var port = AppHandler.Instance.GetLocalPort(EInboundProtocol.socks);
|
||||
if (await SocketCheck(Global.Loopback, port) == false)
|
||||
{
|
||||
return null;
|
||||
}
|
||||
|
||||
return new WebProxy($"socks5://{Global.Loopback}:{port}");
|
||||
}
|
||||
|
||||
private async Task<bool> SocketCheck(string ip, int port)
|
||||
{
|
||||
try
|
||||
{
|
||||
IPEndPoint point = new(IPAddress.Parse(ip), port);
|
||||
using Socket? sock = new(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
|
||||
await sock.ConnectAsync(point);
|
||||
return true;
|
||||
}
|
||||
catch (Exception)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private static void SetSecurityProtocol(bool enableSecurityProtocolTls13)
|
||||
{
|
||||
if (enableSecurityProtocolTls13)
|
||||
{
|
||||
ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12 | SecurityProtocolType.Tls13;
|
||||
}
|
||||
else
|
||||
{
|
||||
ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
|
||||
}
|
||||
ServicePointManager.DefaultConnectionLimit = 256;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user