89f94a2261
* Initial support for receiving files via HTTP Endpoint activity * Implement HTTP endpoint request timeout * Implement request time out handling * Implement request size validation * Formatting * Implement application and system level cancellation tokens * Create CancellationTokens struct * Cleanup HttpEndpoint * Implement file size validation * Implement file extension validation * Implement mime type validation * Update usages of cancellation tokens
48 lines
1.8 KiB
C#
48 lines
1.8 KiB
C#
using Elsa.Http.Models;
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using Microsoft.AspNetCore.Http;
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using System.Net.Mime;
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using Elsa.Http.Contracts;
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using Elsa.Workflows.Core.Contracts;
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namespace Elsa.Http.Handlers;
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// ReSharper disable once ClassWithVirtualMembersNeverInherited.Global
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/// <summary>
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/// A default fault handler that writes information about the fault to the <see cref="HttpResponse"/>.
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/// </summary>
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public class DefaultHttpEndpointFaultHandler : IHttpEndpointFaultHandler
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{
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private readonly IApiSerializer _apiSerializer;
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/// <summary>
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/// Initializes a new instance of the <see cref="DefaultHttpEndpointFaultHandler"/> class.
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/// </summary>
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public DefaultHttpEndpointFaultHandler(IApiSerializer apiSerializer)
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{
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_apiSerializer = apiSerializer;
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}
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/// <inheritdoc />
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public virtual async ValueTask HandleAsync(HttpEndpointFaultContext context)
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{
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var httpContext = context.HttpContext;
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var workflowState = context.WorkflowState;
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var isTimeoutIncident = GetIsTimeoutFault(context);
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var statusCode = isTimeoutIncident ? StatusCodes.Status408RequestTimeout : StatusCodes.Status500InternalServerError;
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httpContext.Response.ContentType = MediaTypeNames.Application.Json;
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httpContext.Response.StatusCode = statusCode;
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var faultedResponse = _apiSerializer.Serialize(workflowState);
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await httpContext.Response.WriteAsync(faultedResponse, context.CancellationToken);
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}
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private bool GetIsTimeoutFault(HttpEndpointFaultContext context)
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{
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var workflowState = context.WorkflowState;
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var exceptionTypes = new[] { typeof(OperationCanceledException), typeof(TaskCanceledException), typeof(TimeoutException) };
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var timeoutIncident = workflowState.Incidents.FirstOrDefault(x => exceptionTypes.Contains(x.Exception?.Type));
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return timeoutIncident != null;
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}
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} |