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PrivaPub/Services/JwtEvents.cs

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+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.Extensions.Localization;
+
+using PrivaPub.ClientModels;
+using PrivaPub.Resources;
+
+using System.Text;
+using System.Text.Json;
+
+namespace PrivaPub.Services
+{
+	public class JwtEvents : JwtBearerEvents
+	{
+		ILogger<JwtEvents> _logger { get; set; }
+		const string contentType = "application/json";
+
+		public override async Task AuthenticationFailed(AuthenticationFailedContext context)
+		{
+			try
+			{
+				var localizer = context.HttpContext.RequestServices.GetRequiredService<IStringLocalizer<GenericRes>>();
+				var webResult = new WebResult().Invalidate(localizer["Unauthorized: {0}", context.Exception], StatusCodes.Status401Unauthorized);
+				context.Response.ContentType = contentType;
+				await context.Response.BodyWriter.WriteAsync(Encoding.UTF8.GetBytes(JsonSerializer.Serialize(webResult)));
+			}
+			catch (Exception ex)
+			{
+				_logger = context.HttpContext.RequestServices.GetRequiredService<ILogger<JwtEvents>>();
+				_logger.LogError(ex, "Error at AuthenticationFailed()");
+			}
+		}
+
+		public override async Task Forbidden(ForbiddenContext context)
+		{
+			try
+			{
+				var localizer = context.HttpContext.RequestServices.GetRequiredService<IStringLocalizer<GenericRes>>();
+				var webResult = new WebResult().Invalidate(localizer["Forbidden: {0}", context.Result.None ? "N/A" : context.Result.Failure?.Message ?? "N/A"], StatusCodes.Status403Forbidden);
+				context.Response.ContentType = contentType;
+				await context.Response.BodyWriter.WriteAsync(Encoding.UTF8.GetBytes(JsonSerializer.Serialize(webResult)));
+			}
+			catch (Exception ex)
+			{
+				_logger = context.HttpContext.RequestServices.GetRequiredService<ILogger<JwtEvents>>();
+				_logger.LogError(ex, "Error at AuthenticationFailed()");
+			}
+		}
+	}
+}