73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
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// Copyright (C) 2021-present sam (starshines.gay)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using System.Net;
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using System.Text.Json.Serialization;
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namespace Catalogger.Backend.Api.Middleware;
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public class ErrorMiddleware(ILogger baseLogger) : IMiddleware
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{
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public async Task InvokeAsync(HttpContext context, RequestDelegate next)
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{
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try
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{
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await next(context);
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}
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catch (ApiError ae)
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{
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context.Response.StatusCode = (int)ae.StatusCode;
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await context.Response.WriteAsJsonAsync(ae.ToJson());
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}
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catch (Exception e)
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{
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var type = e.TargetSite?.DeclaringType ?? typeof(ErrorMiddleware);
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var typeName = e.TargetSite?.DeclaringType?.FullName ?? "<unknown>";
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var logger = baseLogger.ForContext(type);
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logger.Error(e, "Error in {ClassName} ({Path})", typeName, context.Request.Path);
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context.Response.StatusCode = StatusCodes.Status500InternalServerError;
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await context.Response.WriteAsJsonAsync(
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new ApiError(
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HttpStatusCode.InternalServerError,
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ErrorCode.InternalServerError,
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"Internal server error"
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).ToJson()
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);
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}
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}
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}
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public class ApiError(HttpStatusCode statusCode, ErrorCode errorCode, string message)
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: Exception(message)
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{
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public HttpStatusCode StatusCode { get; init; } = statusCode;
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public ErrorCode ErrorCode { get; init; } = errorCode;
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private record Json(ErrorCode ErrorCode, string Message);
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public object ToJson() => new Json(ErrorCode, Message);
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}
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[JsonConverter(typeof(JsonStringEnumConverter))]
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public enum ErrorCode
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{
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InternalServerError,
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BadRequest,
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AuthRequired,
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UnknownGuild,
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}
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