/// <summary>
/// Retrieve the raw body as a string from the <see cref="HttpRequest" /> body stream.
/// Validates that <paramref name="request" /> and <paramref name="encoding" /> is not null.
/// </summary>
/// <param name="request">Request instance to apply to.</param>
/// <param name="encoding">Optional - Encoding, defaults to UTF8.</param>
/// <returns>Task<System.String>.</returns>
/// <exception cref="ArgumentNullException">request</exception>
/// <remarks>Make sure to call .Dispose on Task,</remarks>
public static async Task <string> GetRawBodyStringAsync([NotNull] this HttpRequest request, [NotNull] Encoding encoding)
{
request = request.ArgumentNotNull();
encoding = encoding.ArgumentNotNull();
using (var reader = new StreamReader(request.Body, encoding))
{
return(await reader.ReadToEndAsync().ConfigureAwait(false));
}
}