Winify – Diff between revs 39 and 44
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Rev 39 | Rev 44 | |||
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1 | using System; |
1 | using System; |
|
2 | using System.Drawing; |
2 | using System.Drawing; |
|
3 | using System.IO; |
3 | using System.IO; |
|
4 | using System.Net.Http; |
4 | using System.Net.Http; |
|
5 | using System.Net.Http.Headers; |
5 | using System.Net.Http.Headers; |
|
6 | using System.Net.WebSockets; |
- | ||
7 | using System.Text; |
6 | using System.Text; |
|
8 | using System.Threading; |
7 | using System.Threading; |
|
9 | using System.Threading.Tasks; |
8 | using System.Threading.Tasks; |
|
10 | using Newtonsoft.Json; |
9 | using Newtonsoft.Json; |
|
11 | using Serilog; |
10 | using Serilog; |
|
12 | using Servers; |
11 | using Servers; |
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- | 12 | using WebSocketSharp; |
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- | 13 | using Configuration = Configuration.Configuration; |
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13 | using ClientWebSocket = System.Net.WebSockets.Managed.ClientWebSocket; |
14 | using ErrorEventArgs = WebSocketSharp.ErrorEventArgs; |
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14 | |
15 | |
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15 | namespace Winify.Gotify |
16 | namespace Winify.Gotify |
|
16 | { |
17 | { |
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17 | public class GotifyConnection : IDisposable |
18 | public class GotifyConnection : IDisposable |
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18 | { |
19 | { |
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19 | #region Public Events & Delegates |
20 | #region Public Events & Delegates |
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20 | |
21 | |
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21 | public event EventHandler<GotifyNotificationEventArgs> GotifyNotification; |
22 | public event EventHandler<GotifyNotificationEventArgs> GotifyNotification; |
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22 | |
23 | |
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23 | #endregion |
24 | #endregion |
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24 | |
25 | |
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25 | #region Private Delegates, Events, Enums, Properties, Indexers and Fields |
26 | #region Private Delegates, Events, Enums, Properties, Indexers and Fields |
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26 | |
27 | |
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27 | private readonly Server _server; |
28 | private readonly Server _server; |
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28 | |
29 | |
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29 | private CancellationToken _cancellationToken; |
30 | private CancellationToken _cancellationToken; |
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30 | |
31 | |
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31 | private CancellationTokenSource _cancellationTokenSource; |
32 | private CancellationTokenSource _cancellationTokenSource; |
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32 | |
33 | |
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33 | private Task _runTask; |
34 | private Task _runTask; |
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34 | |
35 | |
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35 | private HttpClient _httpClient; |
36 | private HttpClient _httpClient; |
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36 | |
- | ||
37 | private readonly string _auth; |
- | ||
38 | |
37 | |
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39 | private readonly Uri _webSocketsUri; |
38 | private readonly Uri _webSocketsUri; |
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40 | |
39 | |
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41 | private readonly Uri _httpUri; |
40 | private readonly Uri _httpUri; |
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- | 41 | private WebSocket _webSocketSharp; |
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- | 42 | private readonly global::Configuration.Configuration _configuration; |
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42 | |
43 | |
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43 | #endregion |
44 | #endregion |
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44 | |
45 | |
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45 | #region Constructors, Destructors and Finalizers |
46 | #region Constructors, Destructors and Finalizers |
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46 | |
47 | |
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47 | public GotifyConnection() |
48 | private GotifyConnection() |
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48 | { |
- | ||
- | 49 | { |
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49 | _httpClient = new HttpClient(); |
50 | |
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50 | } |
51 | } |
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51 | |
52 | |
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52 | public GotifyConnection(Server server) : this() |
53 | public GotifyConnection(Server server, global::Configuration.Configuration configuration) : this() |
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- | 54 | { |
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- | 55 | _server = server; |
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- | 56 | _configuration = configuration; |
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- | 57 | |
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- | 58 | var httpClientHandler = new HttpClientHandler(); |
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- | 59 | _httpClient = new HttpClient(httpClientHandler); |
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- | 60 | if (_configuration.IgnoreSelfSignedCertificates) |
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- | 61 | { |
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- | 62 | httpClientHandler.ServerCertificateCustomValidationCallback = |
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53 | { |
63 | HttpClientHandler.DangerousAcceptAnyServerCertificateValidator; |
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- | 64 | } |
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54 | _server = server; |
65 | |
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- | 66 | _httpClient = new HttpClient(httpClientHandler) |
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55 | |
67 | { |
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- | 68 | DefaultRequestHeaders = |
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- | 69 | { |
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- | 70 | Authorization = new AuthenticationHeaderValue("Basic", |
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56 | _auth = Convert.ToBase64String(Encoding.Default.GetBytes($"{_server.Username}:{_server.Password}")); |
71 | Convert.ToBase64String(Encoding.Default.GetBytes($"{_server.Username}:{_server.Password}"))) |
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57 | _httpClient.DefaultRequestHeaders.Authorization = |
72 | } |
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58 | new AuthenticationHeaderValue("Basic", _auth); |
73 | }; |
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59 | |
74 | |
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60 | if (Uri.TryCreate(_server.Url, UriKind.Absolute, out _httpUri)) |
75 | if (Uri.TryCreate(_server.Url, UriKind.Absolute, out _httpUri)) |
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61 | { |
76 | { |
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62 | // Build the web sockets URI. |
77 | // Build the web sockets URI. |
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63 | var webSocketsUriBuilder = new UriBuilder(_httpUri); |
78 | var webSocketsUriBuilder = new UriBuilder(_httpUri); |
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- | 79 | switch (webSocketsUriBuilder.Scheme.ToUpperInvariant()) |
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- | 80 | { |
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- | 81 | case "HTTP": |
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64 | webSocketsUriBuilder.Scheme = "ws"; |
82 | webSocketsUriBuilder.Scheme = "ws"; |
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- | 83 | break; |
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- | 84 | case "HTTPS": |
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- | 85 | webSocketsUriBuilder.Scheme = "wss"; |
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- | 86 | break; |
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- | 87 | } |
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- | 88 | |
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65 | webSocketsUriBuilder.Path = Path.Combine(webSocketsUriBuilder.Path, "stream"); |
89 | webSocketsUriBuilder.Path = Path.Combine(webSocketsUriBuilder.Path, "stream"); |
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66 | _webSocketsUri = webSocketsUriBuilder.Uri; |
90 | _webSocketsUri = webSocketsUriBuilder.Uri; |
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67 | } |
91 | } |
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68 | } |
92 | } |
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69 | |
93 | |
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70 | public void Dispose() |
94 | public void Dispose() |
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71 | { |
95 | { |
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72 | if (_cancellationTokenSource != null) |
96 | if (_cancellationTokenSource != null) |
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73 | { |
97 | { |
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74 | _cancellationTokenSource.Dispose(); |
98 | _cancellationTokenSource.Dispose(); |
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75 | _cancellationTokenSource = null; |
99 | _cancellationTokenSource = null; |
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76 | } |
100 | } |
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- | 101 | |
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- | 102 | _webSocketSharp.Close(); |
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- | 103 | _webSocketSharp = null; |
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77 | |
104 | |
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78 | _httpClient.Dispose(); |
105 | _httpClient.Dispose(); |
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79 | _httpClient = null; |
106 | _httpClient = null; |
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80 | } |
107 | } |
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81 | |
108 | |
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82 | #endregion |
109 | #endregion |
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83 | |
110 | |
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84 | #region Public Methods |
111 | #region Public Methods |
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85 | |
112 | |
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86 | public void Start() |
113 | public void Start() |
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87 | { |
114 | { |
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88 | _cancellationTokenSource = new CancellationTokenSource(); |
115 | _cancellationTokenSource = new CancellationTokenSource(); |
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89 | _cancellationToken = _cancellationTokenSource.Token; |
116 | _cancellationToken = _cancellationTokenSource.Token; |
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- | 117 | |
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- | 118 | Connect(); |
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90 | |
119 | |
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91 | _runTask = Run(_cancellationToken); |
120 | _runTask = Run(_cancellationToken); |
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92 | } |
121 | } |
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93 | |
122 | |
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94 | public void Stop() |
123 | private void Connect() |
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- | 124 | { |
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- | 125 | _webSocketSharp = new WebSocket(_webSocketsUri.AbsoluteUri); |
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95 | { |
126 | _webSocketSharp.SetCredentials(_server.Username, _server.Password, true); |
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96 | if (_cancellationTokenSource != null) |
127 | if (_configuration.IgnoreSelfSignedCertificates) |
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- | 128 | { |
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97 | { |
129 | _webSocketSharp.SslConfiguration.ServerCertificateValidationCallback += |
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98 | _cancellationTokenSource.Cancel(); |
130 | (sender, certificate, chain, errors) => true; |
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99 | } |
- | ||
100 | } |
- | ||
101 | |
- | ||
- | 131 | } |
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- | 132 | |
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- | 133 | _webSocketSharp.OnMessage += WebSocketSharp_OnMessage; |
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- | 134 | _webSocketSharp.OnError += WebSocketSharp_OnError; |
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102 | #endregion |
135 | _webSocketSharp.OnOpen += WebSocketSharp_OnOpen; |
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- | 136 | _webSocketSharp.OnClose += WebSocketSharp_OnClose; |
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103 | |
137 | _webSocketSharp.ConnectAsync(); |
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104 | #region Private Methods |
138 | } |
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105 | |
139 | |
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106 | private async Task Run(CancellationToken cancellationToken) |
140 | private void WebSocketSharp_OnClose(object sender, CloseEventArgs e) |
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- | 141 | { |
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107 | { |
142 | Log.Information($"Connection to server closed with reason: {e.Reason}"); |
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108 | try |
143 | } |
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- | 144 | |
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109 | { |
145 | private void WebSocketSharp_OnOpen(object sender, EventArgs e) |
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- | 146 | { |
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- | 147 | Log.Information("Connection to server is now open."); |
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110 | do |
148 | } |
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111 | { |
149 | |
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112 | try |
150 | private async void WebSocketSharp_OnError(object sender, ErrorEventArgs e) |
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- | 151 | { |
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113 | { |
152 | if (_cancellationToken.IsCancellationRequested) |
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- | 153 | { |
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114 | using (var webSocketClient = new ClientWebSocket()) |
154 | Stop(); |
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- | 155 | return; |
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- | 156 | } |
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- | 157 | |
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- | 158 | await Task.Delay(TimeSpan.FromSeconds(1), _cancellationToken); |
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- | 159 | Log.Information("Reconnecting to websocket server."); |
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- | 160 | |
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115 | { |
161 | Connect(); |
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116 | webSocketClient.Options.SetRequestHeader("Authorization", $"Basic {_auth}"); |
162 | } |
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117 | |
163 | |
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- | 164 | private async void WebSocketSharp_OnMessage(object sender, MessageEventArgs e) |
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- | 165 | { |
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- | 166 | if (e.RawData.Length == 0) |
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- | 167 | { |
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118 | await webSocketClient.ConnectAsync(_webSocketsUri, cancellationToken); |
168 | Log.Warning($"Empty message received from server."); |
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119 | |
169 | return; |
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120 | do |
170 | } |
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121 | { |
171 | |
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122 | var payload = new ArraySegment<byte>(new byte[1024]); |
172 | var message = Encoding.UTF8.GetString(e.RawData, 0, e.RawData.Length); |
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123 | |
- | ||
124 | var result = await webSocketClient.ReceiveAsync(payload, cancellationToken); |
173 | |
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125 | |
174 | GotifyNotification gotifyNotification; |
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- | 175 | |
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126 | if (result.Count == 0) |
176 | try |
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127 | { |
177 | { |
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128 | continue; |
- | ||
129 | } |
- | ||
130 | |
- | ||
131 | if (payload.Array == null || payload.Count == 0) |
- | ||
132 | { |
178 | gotifyNotification = JsonConvert.DeserializeObject<GotifyNotification>(message); |
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133 | continue; |
179 | } |
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134 | } |
180 | catch (JsonSerializationException exception) |
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135 | |
181 | { |
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136 | var message = Encoding.UTF8.GetString(payload.Array, 0, payload.Count); |
182 | Log.Warning($"Could not deserialize notification: {exception.Message}"); |
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137 | |
183 | return; |
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138 | var gotifyNotification = JsonConvert.DeserializeObject<GotifyNotification>(message); |
184 | } |
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139 | |
185 | |
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140 | if (gotifyNotification == null) |
186 | if (gotifyNotification == null) |
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141 | { |
187 | { |
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142 | Log.Warning($"Could not deserialize gotify notification: {message}"); |
188 | Log.Warning($"Could not deserialize gotify notification: {message}"); |
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143 | |
189 | |
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144 | continue; |
190 | return; |
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145 | } |
191 | } |
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146 | |
192 | |
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147 | gotifyNotification.Server = _server; |
193 | gotifyNotification.Server = _server; |
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148 | |
194 | |
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149 | if (!Uri.TryCreate(Path.Combine($"{_httpUri}", "application"), UriKind.Absolute, |
195 | if (!Uri.TryCreate(Path.Combine($"{_httpUri}", "application"), UriKind.Absolute, |
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150 | out var applicationUri)) |
196 | out var applicationUri)) |
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151 | { |
197 | { |
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- | 198 | Log.Warning($"Could not build an URI to an application."); |
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- | 199 | return; |
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- | 200 | } |
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- | 201 | |
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- | 202 | using (var imageStream = |
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- | 203 | await RetrieveGotifyApplicationImage(gotifyNotification.AppId, applicationUri, _cancellationToken)) |
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- | 204 | { |
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152 | continue; |
205 | if (imageStream == null) |
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- | 206 | { |
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- | 207 | Log.Warning("Could not find any application image for notification."); |
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- | 208 | return; |
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153 | } |
209 | } |
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154 | |
- | ||
155 | var image = await RetrieveGotifyApplicationImage(gotifyNotification.AppId, |
210 | |
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156 | applicationUri, cancellationToken); |
211 | var image = Image.FromStream(imageStream); |
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157 | |
212 | |
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158 | GotifyNotification?.Invoke(this, |
213 | GotifyNotification?.Invoke(this, |
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159 | new GotifyNotificationEventArgs(gotifyNotification, image)); |
214 | new GotifyNotificationEventArgs(gotifyNotification, image)); |
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- | 215 | } |
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160 | |
216 | |
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161 | Log.Debug($"Notification message received: {gotifyNotification.Message}"); |
- | ||
162 | } while (!cancellationToken.IsCancellationRequested); |
- | ||
163 | } |
217 | Log.Debug($"Notification message received: {gotifyNotification.Message}"); |
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- | 218 | } |
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164 | } |
219 | |
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165 | catch (Exception ex) when (ex is WebSocketException || ex is HttpRequestException) |
220 | public void Stop() |
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- | 221 | { |
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- | 222 | if (_cancellationTokenSource != null) _cancellationTokenSource.Cancel(); |
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- | 223 | } |
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166 | { |
224 | |
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- | 225 | #endregion |
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167 | // Reconnect |
226 | |
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- | 227 | #region Private Methods |
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- | 228 | |
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- | 229 | private async Task Run(CancellationToken cancellationToken) |
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- | 230 | { |
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- | 231 | try |
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- | 232 | { |
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168 | Log.Warning($"Unable to connect to gotify server: {ex.Message}"); |
233 | do |
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169 | |
- | ||
170 | await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken); |
234 | { |
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171 | } |
235 | await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken); |
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172 | } while (!cancellationToken.IsCancellationRequested); |
236 | } while (!cancellationToken.IsCancellationRequested); |
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173 | } |
237 | } |
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174 | catch (Exception ex) when (ex is OperationCanceledException || ex is ObjectDisposedException) |
238 | catch (Exception exception) when (exception is OperationCanceledException || exception is ObjectDisposedException) |
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175 | { |
239 | { |
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176 | } |
240 | } |
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177 | catch (Exception ex) |
241 | catch (Exception exception) |
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178 | { |
242 | { |
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179 | Log.Warning(ex, "Failure running connection loop."); |
243 | Log.Warning(exception, "Failure running connection loop."); |
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180 | } |
244 | } |
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181 | } |
245 | } |
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182 | |
246 | |
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183 | private async Task<Image> RetrieveGotifyApplicationImage(int appId, Uri applicationUri, |
247 | private async Task<Stream> RetrieveGotifyApplicationImage(int appId, Uri applicationUri, |
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184 | CancellationToken cancellationToken) |
248 | CancellationToken cancellationToken) |
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185 | { |
249 | { |
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186 | var applicationResponse = await _httpClient.GetAsync(applicationUri, cancellationToken); |
250 | var applicationResponse = await _httpClient.GetAsync(applicationUri, cancellationToken); |
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187 | |
251 | |
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188 | var applications = await applicationResponse.Content.ReadAsStringAsync(); |
252 | var applications = await applicationResponse.Content.ReadAsStringAsync(); |
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- | 253 | |
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- | 254 | GotifyApplication[] gotifyApplications; |
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- | 255 | try |
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189 | |
256 | { |
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190 | var gotifyApplications = |
257 | gotifyApplications = |
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191 | JsonConvert.DeserializeObject<GotifyApplication[]>(applications); |
258 | JsonConvert.DeserializeObject<GotifyApplication[]>(applications); |
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192 | |
259 | } |
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193 | if (gotifyApplications == null) |
260 | catch (JsonSerializationException exception) |
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- | 261 | { |
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- | 262 | Log.Warning($"Could not deserialize the list of applications from the server: {exception.Message}"); |
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194 | { |
263 | |
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195 | return null; |
264 | return null; |
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196 | } |
265 | } |
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197 | |
266 | |
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198 | foreach (var application in gotifyApplications) |
267 | foreach (var application in gotifyApplications) |
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199 | { |
268 | { |
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200 | if (application.Id != appId) |
269 | if (application.Id != appId) continue; |
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201 | { |
- | ||
202 | continue; |
- | ||
203 | } |
- | ||
204 | |
270 | |
|
205 | if (!Uri.TryCreate(Path.Combine($"{_httpUri}", $"{application.Image}"), UriKind.Absolute, |
271 | if (!Uri.TryCreate(Path.Combine($"{_httpUri}", $"{application.Image}"), UriKind.Absolute, |
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206 | out var applicationImageUri)) |
272 | out var applicationImageUri)) |
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207 | { |
273 | { |
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- | 274 | Log.Warning("Could not build URL path to application icon."); |
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208 | continue; |
275 | continue; |
|
209 | } |
276 | } |
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210 | |
277 | |
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211 | var imageResponse = await _httpClient.GetAsync(applicationImageUri, cancellationToken); |
278 | var imageResponse = await _httpClient.GetAsync(applicationImageUri, cancellationToken); |
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212 | |
279 | |
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213 | using (var memoryStream = new MemoryStream()) |
- | ||
- | 280 | var memoryStream = new MemoryStream(); |
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214 | { |
281 | |
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215 | await imageResponse.Content.CopyToAsync(memoryStream); |
282 | await imageResponse.Content.CopyToAsync(memoryStream); |
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216 | |
- | ||
217 | return Image.FromStream(memoryStream); |
283 | |
|
218 | } |
284 | return memoryStream; |
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219 | } |
285 | } |
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220 | |
286 | |
|
221 | return null; |
287 | return null; |
|
222 | } |
288 | } |
|
223 | |
289 | |
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224 | #endregion |
290 | #endregion |
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225 | } |
291 | } |
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226 | } |
292 | } |
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227 | |
293 | |
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228 |
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294 |
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229 | |
295 | |
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230 | |
296 | |
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231 | |
297 | |