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asp.net-core - 使用NLog记录请求正文和请求 header

转载 作者:行者123 更新时间:2023-12-04 13:46:01 25 4
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我正在使用ASP .Net Core 2.1 WebAPI。是否可以使用NLog的配置记录当前的请求正文和 header ?

<?xml version="1.0" encoding="utf-8" ?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
autoReload="true">
<extensions>
<add prefix="custom" assembly="Pepper" />
</extensions>
<variable name="log-header"
value="Time: [${date}]${newline}
Operation: ${aspnet-request-method} ${aspnet-request-url:IncludeHost=true:IncludePort=true:IncludeQueryString=true}${newline}
Headers:${aspnet-request-headers}${newline}
Body:${aspnet-request-body}"/>
<targets>
<target name="exceptionFile" xsi:type="AsyncWrapper" queueLimit="5000" overflowAction="Discard">
<target xsi:type="File"
encoding="utf-8"
fileName="exception_log.txt"
archiveAboveSize="10000000"
archiveNumbering="Sequence"
maxArchiveFiles="10"
layout="${log-header}${newline}${message}${newline}${newline}" />
</target>
</targets>
<rules>
<logger name="*" minlevel="Error" writeTo="exceptionFile" />
</rules>
</nlog>

最佳答案

您可以为此实现自定义中间件:

public class RequestLoggingMiddleware
{
private readonly RequestDelegate next;
private readonly ILogger logger;

public RequestLoggingMiddleware(RequestDelegate next, ILoggerFactory loggerFactory)
{
this.next = next;
logger = loggerFactory.CreateLogger<RequestLoggingMiddleware>();
}

public async Task Invoke(HttpContext context)
{
context.Request.EnableRewind();

var buffer = new byte[Convert.ToInt32(context.Request.ContentLength)];
await context.Request.Body.ReadAsync(buffer, 0, buffer.Length);
var requestBody = Encoding.UTF8.GetString(buffer);
context.Request.Body.Seek(0, SeekOrigin.Begin);

var builder = new StringBuilder(Environment.NewLine);
foreach (var header in context.Request.Headers)
{
builder.AppendLine($"{header.Key}:{header.Value}");
}

builder.AppendLine($"Request body:{requestBody}");

logger.LogInformation(builder.ToString());

await next(context);
}
}

在Startup.cs Configure中注册它:

public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
app.UseMiddleware<RequestLoggingMiddleware>();
}

并更新Program.cs以使用NLog,例如:

public static IWebHost BuildWebHost(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>()
.ConfigureLogging(logging =>
{
logging.ClearProviders();
logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
})
.UseNLog() // NLog: setup NLog for Dependency injection
.Build();

关于asp.net-core - 使用NLog记录请求正文和请求 header ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51592707/

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