private static async Task <KeyValueAccumulator> AccumulateForm(KeyValueAccumulator formAccumulator, MultipartSection section,
ContentDispositionHeaderValue contentDisposition)
{
var key = MultipartRequestHelper.RemoveQuotes(contentDisposition.Name.Value);
var encoding = MultipartRequestHelper.GetEncoding(section);
using (var streamReader = new StreamReader(
section.Body,
encoding,
detectEncodingFromByteOrderMarks: true,
bufferSize: BUFFER_SIZE,
leaveOpen: true)) {
var value = await streamReader.ReadToEndAsync();
if (string.Equals(value, "undefined", StringComparison.OrdinalIgnoreCase))
{
value = string.Empty;
}
formAccumulator.Append(key, value);
if (formAccumulator.ValueCount > FormReader.DefaultValueCountLimit)
{
throw new InvalidDataException($"Form key count limit {FormReader.DefaultValueCountLimit} exceeded.");
}
}
return(formAccumulator);
}