Merge branch 'master' into segment-deletion

1 files changed, 50 insertions, 0 deletions

diff --git a/Jellyfin.Api/Middleware/ServerStartupMessageMiddleware.cs b/Jellyfin.Api/Middleware/ServerStartupMessageMiddleware.cs
new file mode 100644
index 000000000..dcb234658
--- /dev/null
+++ b/Jellyfin.Api/Middleware/ServerStartupMessageMiddleware.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Net.Mime;
+using System.Threading.Tasks;
+using MediaBrowser.Controller;
+using MediaBrowser.Model.Globalization;
+using Microsoft.AspNetCore.Http;
+
+namespace Jellyfin.Api.Middleware;
+
+/// <summary>
+/// Shows a custom message during server startup.
+/// </summary>
+public class ServerStartupMessageMiddleware
+{
+    private readonly RequestDelegate _next;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ServerStartupMessageMiddleware"/> class.
+    /// </summary>
+    /// <param name="next">The next delegate in the pipeline.</param>
+    public ServerStartupMessageMiddleware(RequestDelegate next)
+    {
+        _next = next;
+    }
+
+    /// <summary>
+    /// Executes the middleware action.
+    /// </summary>
+    /// <param name="httpContext">The current HTTP context.</param>
+    /// <param name="serverApplicationHost">The server application host.</param>
+    /// <param name="localizationManager">The localization manager.</param>
+    /// <returns>The async task.</returns>
+    public async Task Invoke(
+        HttpContext httpContext,
+        IServerApplicationHost serverApplicationHost,
+        ILocalizationManager localizationManager)
+    {
+        if (serverApplicationHost.CoreStartupHasCompleted
+            || httpContext.Request.Path.Equals("/system/ping", StringComparison.OrdinalIgnoreCase))
+        {
+            await _next(httpContext).ConfigureAwait(false);
+            return;
+        }
+
+        var message = localizationManager.GetLocalizedString("StartupEmbyServerIsLoading");
+        httpContext.Response.StatusCode = StatusCodes.Status503ServiceUnavailable;
+        httpContext.Response.ContentType = MediaTypeNames.Text.Html;
+        await httpContext.Response.WriteAsync(message, httpContext.RequestAborted).ConfigureAwait(false);
+    }
+}