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StopShopping.Api/Middlewares/GlobalExceptionHandlerMiddleware.cs

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+using Microsoft.AspNetCore.Antiforgery;
+using Microsoft.AspNetCore.Mvc;
+using StopShopping.Services.Models.Resp;
+
+namespace StopShopping.Api.Middlewares;
+
+public class GlobalExceptionHandlerMiddleware
+{
+    public GlobalExceptionHandlerMiddleware(RequestDelegate requestDelegate,
+        ILogger<GlobalExceptionHandlerMiddleware> logger,
+        IProblemDetailsService problemDetailsService)
+    {
+        _next = requestDelegate;
+        _logger = logger;
+        _problemDetailsService = problemDetailsService;
+    }
+
+    private readonly RequestDelegate _next;
+    private readonly ILogger<GlobalExceptionHandlerMiddleware> _logger;
+    private readonly IProblemDetailsService _problemDetailsService;
+
+    public async Task InvokeAsync(HttpContext httpContext)
+    {
+        try
+        {
+            await _next(httpContext);
+        }
+        catch (BadHttpRequestException ex) when (ex.InnerException is AntiforgeryValidationException)
+        {
+            var problemDetails = new ProblemDetails
+            {
+                Detail = ex.InnerException.Message,
+                Instance = httpContext.Request.Path,
+                Status = StatusCodes.Status400BadRequest,
+                Title = "CSRF 错误",
+            };
+
+            problemDetails.AddErrorCode(ProblemDetailsCodes.CsrfValidationFailed);
+
+            httpContext.Response.StatusCode = StatusCodes.Status400BadRequest;
+            httpContext.Response.ContentType = "application/problem+json";
+
+            await _problemDetailsService.WriteAsync(new ProblemDetailsContext
+            {
+                HttpContext = httpContext,
+                ProblemDetails = problemDetails
+            });
+        }
+        catch (BadHttpRequestException ex)
+        {
+            _logger.LogError(ex, "参数错误");
+
+            var problemDetails = new ProblemDetails
+            {
+                Detail = ex.Message,
+                Instance = httpContext.Request.Path,
+                Status = StatusCodes.Status400BadRequest,
+                Title = "参数错误",
+            };
+
+            problemDetails.AddErrorCode(ProblemDetailsCodes.BadParameters);
+
+            httpContext.Response.StatusCode = StatusCodes.Status400BadRequest;
+            httpContext.Response.ContentType = "application/problem+json";
+
+            await _problemDetailsService.WriteAsync(new ProblemDetailsContext
+            {
+                HttpContext = httpContext,
+                ProblemDetails = problemDetails
+            });
+        }
+        catch (ServiceException ex)//业务层抛出提示
+        {
+            await httpContext.Response.WriteAsJsonAsync(ApiResponse.Failed(ex.Message));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogCritical(ex, "意外的异常");
+
+            var problemDetails = new ProblemDetails
+            {
+                Detail = ex.Message,
+                Instance = httpContext.Request.Path,
+                Status = StatusCodes.Status500InternalServerError,
+                Title = "服务器错误",
+            };
+
+            problemDetails.AddErrorCode(ProblemDetailsCodes.ServerError);
+
+            httpContext.Response.StatusCode = StatusCodes.Status500InternalServerError;
+            httpContext.Response.ContentType = "application/problem+json";
+
+            await _problemDetailsService.WriteAsync(new ProblemDetailsContext
+            {
+                HttpContext = httpContext,
+                ProblemDetails = problemDetails,
+            });
+        }
+    }
+}