How to add 'request body' in serilog's output .net core?

How to add 'request body' in serilog's output .net core?

To include the request body in Serilog's output in a .NET Core application, you can use Serilog's WithProperty method to add the request body as a property to the log event.

Here's an example of how you can do this using middleware in ASP.NET Core:

using Microsoft.AspNetCore.Http; using Serilog; using System.IO; using System.Text; using System.Threading.Tasks; public class RequestBodyLoggingMiddleware { private readonly RequestDelegate next; public RequestBodyLoggingMiddleware(RequestDelegate next) { this.next = next; } public async Task InvokeAsync(HttpContext context) { context.Request.EnableBuffering(); // Read the request body using (var reader = new StreamReader(context.Request.Body, Encoding.UTF8, true, 1024, true)) { var requestBody = await reader.ReadToEndAsync(); // Add the request body as a Serilog property LogContext.PushProperty("RequestBody", requestBody); // Rewind the stream to allow later reads context.Request.Body.Position = 0; } await next(context); } }

In this example, we're using middleware to intercept incoming requests and read the request body. We then add the request body as a Serilog property using LogContext.PushProperty.

To use this middleware in your application, add it to the Configure method in your Startup.cs file:

public void Configure(IApplicationBuilder app, IWebHostEnvironment env) { // ... app.UseMiddleware<RequestBodyLoggingMiddleware>(); // ... }

Now when you log events using Serilog, the request body will be included as a property in the log event. For example:

Log.Information("Received request {RequestMethod} {RequestPath} with body {@RequestBody}", context.Request.Method, context.Request.Path, requestBody);

Examples

  1. "Serilog enrich request body .NET Core"

    • Description: Learn how to enrich Serilog logs with the request body in a .NET Core application.
    // Code Implementation public class RequestBodyEnricher : ILogEventEnricher { public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory) { var requestBody = HttpContextAccessor.HttpContext?.Request?.Body; logEvent.AddPropertyIfAbsent(propertyFactory.CreateProperty("RequestBody", requestBody?.ToString())); } }

  2. "Serilog enrich HTTP request body middleware"

    • Description: Explore middleware implementation to enrich Serilog logs with HTTP request body in .NET Core.
    // Code Implementation app.Use(async (context, next) => { context.Request.EnableBuffering(); var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); LogContext.PushProperty("RequestBody", requestBody); await next(); });

  3. "Serilog enrich with request body using ActionFilterAttribute"

    • Description: Implement an ActionFilterAttribute to enrich Serilog logs with the request body in .NET Core.
    // Code Implementation public class LogRequestBodyAttribute : ActionFilterAttribute { public override void OnActionExecuting(ActionExecutingContext context) { var requestBody = new StreamReader(context.HttpContext.Request.Body).ReadToEnd(); context.HttpContext.Request.Body.Seek(0, SeekOrigin.Begin); LogContext.PushProperty("RequestBody", requestBody); } }

  4. "Serilog log request body in ASP.NET Core"

    • Description: Understand how to log request body in Serilog in an ASP.NET Core application.
    // Code Implementation app.Use(async (context, next) => { var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); Log.ForContext("RequestBody", requestBody) .Information("Request Body Enriched"); await next(); });

  5. "Serilog enrich request body using ILogger"

    • Description: Learn how to enrich Serilog logs with the request body using ILogger in .NET Core.
    // Code Implementation public class CustomLogger : ILogger { public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter) { if (state is IReadOnlyCollection<KeyValuePair<string, object>> properties) { var requestBody = properties.FirstOrDefault(p => p.Key == "RequestBody").Value; Log.ForContext("RequestBody", requestBody) .Write(logLevel, exception, formatter(state, exception)); } } }

  6. "Serilog enrich request body with middleware and ILogger"

    • Description: Combine middleware and ILogger to enrich Serilog logs with the request body in .NET Core.
    // Code Implementation app.Use(async (context, next) => { var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); context.Items["RequestBody"] = requestBody; await next(); }); // ILogger implementation Log.Information("Request Body {@RequestBody}", HttpContext.Items["RequestBody"]);

  7. "Serilog enrich request body with ILogEventEnricher"

    • Description: Create a custom ILogEventEnricher to enrich Serilog logs with the request body in .NET Core.
    // Code Implementation public class RequestBodyEnricher : ILogEventEnricher { public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory) { var requestBody = HttpContextAccessor.HttpContext?.Request?.Body; logEvent.AddPropertyIfAbsent(propertyFactory.CreateProperty("RequestBody", requestBody?.ToString())); } }

  8. "Serilog log request body in ASP.NET Core Middleware"

    • Description: Implement middleware to log the request body in Serilog in an ASP.NET Core application.
    // Code Implementation app.Use(async (context, next) => { var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); Log.Information("Request Body {@RequestBody}", requestBody); await next(); });

  9. "Serilog enrich request body with ILoggerMiddleware"

    • Description: Use ILoggerMiddleware to enrich Serilog logs with the request body in .NET Core.
    // Code Implementation app.UseMiddleware<LoggerMiddleware>(); // LoggerMiddleware public class LoggerMiddleware { public async Task InvokeAsync(HttpContext context, ILogger<LoggerMiddleware> logger) { var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); logger.LogInformation("Request Body {@RequestBody}", requestBody); await next(); } }

  10. "Serilog log request body with ILogger and middleware"

    • Description: Combine ILogger and middleware to log the request body in Serilog in .NET Core.
    // Code Implementation app.Use(async (context, next) => { var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync(); context.Request.Body.Seek(0, SeekOrigin.Begin); logger.LogInformation("Request Body {@RequestBody}", requestBody); await next(); });

More Tags

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