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I am having a simple middleware which fetches the body of the request and store it in a string. It is reading fine the stream, but the issue is it wont call my controller which called just after I read the stream and throw the error
A non-empty request body is required
. Below is my code.
public async Task Invoke(HttpContext httpContext)
{
var timer = Stopwatch.StartNew();
ReadBodyFromHttpContext(httpContext);
await _next(httpContext);
timer.Stop();
}
private string ReadBodyFromHttpContext(HttpContext httpContext)
{
return await new StreamReader(httpContext.Request.Body).ReadToEndAsync();
}
778
Middleware { public class CreateSession { private readonly RequestDelegate _next; public CreateSession(RequestDelegate next) { this. _next = next; } public async Task Invoke(HttpContext httpContext) { //I want to get the request body here and if possible //map it to my user model and use the user model here. } }
To read the request body in ASP.NET Core Web API, we will create a custom middleware. Visual Studio gives you a readymade template to create custom middleware. Right-click on your project in Solution Explorer and click “Add New Item”. In the search box type “Middleware” and you will see Middleware Class in the result.
You need to convert HttpContext.Request.Body from a forward only memory stream to a seekable stream, shown below.
// Enable seeking
context.Request.EnableBuffering();
// Read the stream as text
var bodyAsText = await new System.IO.StreamReader(context.Request.Body).ReadToEndAsync();
// Set the position of the stream to 0 to enable rereading
context.Request.Body.Position = 0;
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