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66 lines
2.5 KiB
C#
66 lines
2.5 KiB
C#
using System;
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using System.IO;
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using System.Net;
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using NAppUpdate.Framework.Common;
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using NAppUpdate.Framework.Sources;
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using NAppUpdate.Framework.Utils;
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namespace Wox.Core.Updater
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{
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internal class WoxUpdateSource : IUpdateSource
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{
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public IWebProxy Proxy { get; set; }
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public string FeedUrl { get; set; }
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public WoxUpdateSource(string feedUrl,IWebProxy proxy)
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{
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this.FeedUrl = feedUrl;
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this.Proxy = proxy;
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}
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private void TryResolvingHost()
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{
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Uri uri = new Uri(this.FeedUrl);
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try
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{
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Dns.GetHostEntry(uri.Host);
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}
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catch (System.Exception ex)
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{
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throw new WebException(string.Format("Failed to resolve {0}. Check your connectivity.", (object)uri.Host), WebExceptionStatus.ConnectFailure);
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}
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}
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public string GetUpdatesFeed()
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{
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this.TryResolvingHost();
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string str = string.Empty;
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WebRequest webRequest = WebRequest.Create(this.FeedUrl);
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webRequest.Method = "GET";
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webRequest.Proxy = this.Proxy;
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using (WebResponse response = webRequest.GetResponse())
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{
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Stream responseStream = response.GetResponseStream();
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if (responseStream != null)
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{
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using (StreamReader streamReader = new StreamReader(responseStream, true))
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str = streamReader.ReadToEnd();
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}
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}
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return str;
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}
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public bool GetData(string url, string baseUrl, Action<UpdateProgressInfo> onProgress, ref string tempLocation)
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{
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if (!string.IsNullOrEmpty(baseUrl) && !baseUrl.EndsWith("/"))
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baseUrl += "/";
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FileDownloader fileDownloader = !Uri.IsWellFormedUriString(url, UriKind.Absolute) ? (!Uri.IsWellFormedUriString(baseUrl, UriKind.Absolute) ? (string.IsNullOrEmpty(baseUrl) ? new FileDownloader(url) : new FileDownloader(new Uri(new Uri(baseUrl), url))) : new FileDownloader(new Uri(new Uri(baseUrl, UriKind.Absolute), url))) : new FileDownloader(url);
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fileDownloader.Proxy = this.Proxy;
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if (string.IsNullOrEmpty(tempLocation) || !Directory.Exists(Path.GetDirectoryName(tempLocation)))
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tempLocation = Path.GetTempFileName();
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return fileDownloader.DownloadToFile(tempLocation, onProgress);
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}
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}
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}
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