70 lines
3.0 KiB
C#
70 lines
3.0 KiB
C#
// Copyright (C) 2026, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System.Net.WebSockets;
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using System.Text;
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using Duplicati.WebserverCore.Abstractions.Notifications;
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namespace Duplicati.WebserverCore.Middlewares;
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public static class WebsocketExtensions
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{
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public static IApplicationBuilder UseNotifications(this IApplicationBuilder app, string notificationPath)
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{
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var opts = new WebSocketOptions();
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app.UseWebSockets(opts);
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return app.Use(async (context, next) =>
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{
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if (context.Request.Path != notificationPath)
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{
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// TODO: Exceptions have a stack trace pointing to here,
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// if the exception is thrown in the next middleware.
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await next(context);
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}
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else
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{
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if (context.User.Identity?.IsAuthenticated == false)
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{
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if (context.WebSockets.IsWebSocketRequest)
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{
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using var webSocket = await context.WebSockets.AcceptWebSocketAsync();
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await context.RequestServices.GetRequiredService<IWebsocketAuthenticator>().AddConnection(webSocket);
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}
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else
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{
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context.Response.StatusCode = StatusCodes.Status400BadRequest;
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}
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return;
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}
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if (context.WebSockets.IsWebSocketRequest)
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{
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using var webSocket = await context.WebSockets.AcceptWebSocketAsync();
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await context.RequestServices.GetRequiredService<IWebsocketAccessor>().AddConnection(webSocket, true);
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}
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else
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{
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context.Response.StatusCode = StatusCodes.Status400BadRequest;
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}
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}
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});
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}
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} |