93 lines
3.4 KiB
C#
93 lines
3.4 KiB
C#
// ***********************************************************************
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// <copyright file="HttpErrorMiddleware.cs">
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// AgileWebs
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// </copyright>
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// ***********************************************************************
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using Microsoft.AspNetCore.Http;
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using Serilog;
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using System.Text.Json;
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namespace Core.Blueprint.Logging
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{
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/// <summary>
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/// Handles HTTP logging.
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/// </summary>
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public class HttpErrorMiddleware
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{
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private readonly ILogger logger;
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private readonly RequestDelegate requestProcess;
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public readonly ServiceSettings settings;
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/// <summary>
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/// Creates a new instrance of <see cref="HttpErrorMiddleware"/>.
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/// </summary>
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/// <param name="logger">The logger representig an instance of <see cref="ILogger"/>.</param>
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/// <param name="requestProcess">The request delegate process.</param>
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public HttpErrorMiddleware(ILogger logger, RequestDelegate requestProcess, ServiceSettings settings)
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{
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this.logger = logger;
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this.requestProcess = requestProcess;
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this.settings = settings;
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}
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/// <summary>
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/// Invoke method.
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/// </summary>
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/// <param name="context">The HTTP context.</param>
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/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
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public async Task Invoke(HttpContext context)
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{
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try
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{
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await requestProcess(context).ConfigureAwait(false);
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}
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catch (HttpException exception)
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{
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await HandleErrorResponse(
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context,
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exception.Message,
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exception.ErrorCode,
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exception.StatusCode).ConfigureAwait(false);
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}
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catch (Exception defaultException)
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{
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await HandleErrorResponse(
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context,
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defaultException.Message,
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ErrorCodes.InternalServerError,
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StatusCodes.Status500InternalServerError).ConfigureAwait(false);
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}
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}
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/// <summary>
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/// Handles error responses.
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/// </summary>
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/// <param name="context">The HTTP context.</param>
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/// <param name="message">The error message.</param>
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/// <param name="errorCode">The error code.</param>
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/// <param name="statusCode">The HTTP status code.</param>
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/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
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private async Task HandleErrorResponse(HttpContext context, string? message, string? errorCode, int statusCode)
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{
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var errorMessage = new HttpError(
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message,
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errorCode,
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string.Format(
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Responses.Target,
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context.Request.Method,
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context.Request.Scheme,
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context.Request.Host.Host,
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context.Request.Path));
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logger.LogError<HttpError>(context, errorMessage, $"{settings.ApplicationName}-{settings.LayerName}");
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context.Response.ContentType = MimeTypes.ApplicationJson;
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context.Response.StatusCode = statusCode;
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await context.Response.WriteAsync(JsonSerializer.Serialize(errorMessage)).ConfigureAwait(false);
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}
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}
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}
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