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6 | 6 | using JetBrains.Annotations; |
7 | 7 | using Flow.Launcher.Infrastructure.Logger; |
8 | 8 | using Flow.Launcher.Infrastructure.UserSettings; |
| 9 | +using System; |
| 10 | +using System.ComponentModel; |
9 | 11 |
|
10 | 12 | namespace Flow.Launcher.Infrastructure.Http |
11 | 13 | { |
12 | 14 | public static class Http |
13 | 15 | { |
14 | 16 | private const string UserAgent = @"Mozilla/5.0 (Trident/7.0; rv:11.0) like Gecko"; |
15 | 17 |
|
| 18 | + private static HttpClient client; |
| 19 | + |
| 20 | + private static SocketsHttpHandler socketsHttpHandler = new SocketsHttpHandler() |
| 21 | + { |
| 22 | + UseProxy = true, |
| 23 | + Proxy = WebProxy |
| 24 | + }; |
| 25 | + |
16 | 26 | static Http() |
17 | 27 | { |
18 | 28 | // need to be added so it would work on a win10 machine |
19 | 29 | ServicePointManager.Expect100Continue = true; |
20 | 30 | ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls |
21 | 31 | | SecurityProtocolType.Tls11 |
22 | 32 | | SecurityProtocolType.Tls12; |
| 33 | + |
| 34 | + client = new HttpClient(socketsHttpHandler, false); |
| 35 | + client.DefaultRequestHeaders.Add("User-Agent", UserAgent); |
23 | 36 | } |
24 | 37 |
|
25 | | - public static HttpProxy Proxy { private get; set; } |
26 | | - public static IWebProxy WebProxy() |
| 38 | + private static HttpProxy proxy; |
| 39 | + |
| 40 | + public static HttpProxy Proxy |
27 | 41 | { |
28 | | - if (Proxy != null && Proxy.Enabled && !string.IsNullOrEmpty(Proxy.Server)) |
| 42 | + private get { return proxy; } |
| 43 | + set |
29 | 44 | { |
30 | | - if (string.IsNullOrEmpty(Proxy.UserName) || string.IsNullOrEmpty(Proxy.Password)) |
31 | | - { |
32 | | - var webProxy = new WebProxy(Proxy.Server, Proxy.Port); |
33 | | - return webProxy; |
34 | | - } |
35 | | - else |
| 45 | + proxy = value; |
| 46 | + proxy.PropertyChanged += UpdateProxy; |
| 47 | + } |
| 48 | + } |
| 49 | + |
| 50 | + public static WebProxy WebProxy { get; } = new WebProxy(); |
| 51 | + |
| 52 | + /// <summary> |
| 53 | + /// Update the Address of the Proxy to modify the client Proxy |
| 54 | + /// </summary> |
| 55 | + public static void UpdateProxy(ProxyProperty property) |
| 56 | + { |
| 57 | + (WebProxy.Address, WebProxy.Credentials) = property switch |
| 58 | + { |
| 59 | + ProxyProperty.Enabled => Proxy.Enabled switch |
36 | 60 | { |
37 | | - var webProxy = new WebProxy(Proxy.Server, Proxy.Port) |
| 61 | + true => Proxy.UserName switch |
38 | 62 | { |
39 | | - Credentials = new NetworkCredential(Proxy.UserName, Proxy.Password) |
40 | | - }; |
41 | | - return webProxy; |
42 | | - } |
| 63 | + var userName when !string.IsNullOrEmpty(userName) => |
| 64 | + (new Uri($"http://{Proxy.Server}:{Proxy.Port}"), null), |
| 65 | + _ => (new Uri($"http://{Proxy.Server}:{Proxy.Port}"), |
| 66 | + new NetworkCredential(Proxy.UserName, Proxy.Password)) |
| 67 | + }, |
| 68 | + false => (null, null) |
| 69 | + }, |
| 70 | + ProxyProperty.Server => (new Uri($"http://{Proxy.Server}:{Proxy.Port}"), WebProxy.Credentials), |
| 71 | + ProxyProperty.Port => (new Uri($"http://{Proxy.Server}:{Proxy.Port}"), WebProxy.Credentials), |
| 72 | + ProxyProperty.UserName => (WebProxy.Address, new NetworkCredential(Proxy.UserName, Proxy.Password)), |
| 73 | + ProxyProperty.Password => (WebProxy.Address, new NetworkCredential(Proxy.UserName, Proxy.Password)), |
| 74 | + _ => throw new ArgumentOutOfRangeException() |
| 75 | + }; |
| 76 | + } |
| 77 | + |
| 78 | + public static async Task Download([NotNull] string url, [NotNull] string filePath) |
| 79 | + { |
| 80 | + using var response = await client.GetAsync(url); |
| 81 | + if (response.StatusCode == HttpStatusCode.OK) |
| 82 | + { |
| 83 | + await using var fileStream = new FileStream(filePath, FileMode.CreateNew); |
| 84 | + await response.Content.CopyToAsync(fileStream); |
43 | 85 | } |
44 | 86 | else |
45 | 87 | { |
46 | | - return WebRequest.GetSystemWebProxy(); |
| 88 | + throw new HttpRequestException($"Error code <{response.StatusCode}> returned from <{url}>"); |
47 | 89 | } |
48 | 90 | } |
49 | 91 |
|
50 | | - public static void Download([NotNull] string url, [NotNull] string filePath) |
| 92 | + /// <summary> |
| 93 | + /// Asynchrously get the result as string from url. |
| 94 | + /// When supposing the result is long and large, try using GetStreamAsync to avoid reading as string |
| 95 | + /// </summary> |
| 96 | + /// <param name="url"></param> |
| 97 | + /// <returns></returns> |
| 98 | + public static Task<string> GetAsync([NotNull] string url) |
51 | 99 | { |
52 | | - var client = new WebClient { Proxy = WebProxy() }; |
53 | | - client.Headers.Add("user-agent", UserAgent); |
54 | | - client.DownloadFile(url, filePath); |
| 100 | + Log.Debug($"|Http.Get|Url <{url}>"); |
| 101 | + return GetAsync(new Uri(url.Replace("#", "%23"))); |
55 | 102 | } |
56 | 103 |
|
57 | | - public static async Task<string> Get([NotNull] string url, string encoding = "UTF-8") |
| 104 | + public static async Task<string> GetAsync([NotNull] Uri url) |
58 | 105 | { |
59 | 106 | Log.Debug($"|Http.Get|Url <{url}>"); |
60 | | - var request = WebRequest.CreateHttp(url); |
61 | | - request.Method = "GET"; |
62 | | - request.Timeout = 6000; |
63 | | - request.Proxy = WebProxy(); |
64 | | - request.UserAgent = UserAgent; |
65 | | - var response = await request.GetResponseAsync() as HttpWebResponse; |
66 | | - response = response.NonNull(); |
67 | | - var stream = response.GetResponseStream().NonNull(); |
68 | | - |
69 | | - using var reader = new StreamReader(stream, Encoding.GetEncoding(encoding)); |
70 | | - var content = await reader.ReadToEndAsync(); |
71 | | - if (response.StatusCode != HttpStatusCode.OK) |
72 | | - throw new HttpRequestException($"Error code <{response.StatusCode}> with content <{content}> returned from <{url}>"); |
73 | | - |
74 | | - return content; |
| 107 | + using var response = await client.GetAsync(url); |
| 108 | + var content = await response.Content.ReadAsStringAsync(); |
| 109 | + if (response.StatusCode == HttpStatusCode.OK) |
| 110 | + { |
| 111 | + return content; |
| 112 | + } |
| 113 | + else |
| 114 | + { |
| 115 | + throw new HttpRequestException( |
| 116 | + $"Error code <{response.StatusCode}> with content <{content}> returned from <{url}>"); |
| 117 | + } |
75 | 118 | } |
76 | 119 |
|
| 120 | + /// <summary> |
| 121 | + /// Asynchrously get the result as stream from url. |
| 122 | + /// </summary> |
| 123 | + /// <param name="url"></param> |
| 124 | + /// <returns></returns> |
77 | 125 | public static async Task<Stream> GetStreamAsync([NotNull] string url) |
78 | 126 | { |
79 | 127 | Log.Debug($"|Http.Get|Url <{url}>"); |
80 | | - var request = WebRequest.CreateHttp(url); |
81 | | - request.Method = "GET"; |
82 | | - request.Timeout = 6000; |
83 | | - request.Proxy = WebProxy(); |
84 | | - request.UserAgent = UserAgent; |
85 | | - var response = await request.GetResponseAsync() as HttpWebResponse; |
86 | | - response = response.NonNull(); |
87 | | - return response.GetResponseStream().NonNull(); |
| 128 | + var response = await client.GetAsync(url); |
| 129 | + return await response.Content.ReadAsStreamAsync(); |
88 | 130 | } |
89 | 131 | } |
90 | 132 | } |
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