protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var response = await base.SendAsync(request, cancellationToken);
if (response.Content != null && response.Content is ObjectContent)
{
var kFileInfo = default(KFileInfo);
var objectContent = (ObjectContent)response.Content;
if (objectContent.ObjectType == typeof(KFileInfo))
{
kFileInfo = (KFileInfo)objectContent.Value;
}
else if (objectContent.ObjectType == typeof(byte[]))
{
kFileInfo = KFileInfo.FromBytes((byte[])objectContent.Value);
}
else if (objectContent.ObjectType == typeof(Stream))
{
kFileInfo = KFileInfo.FromStream((Stream)objectContent.Value);
}
else if (objectContent.ObjectType == typeof(FileInfo))
{
kFileInfo = KFileInfo.FromFileInfo((FileInfo)objectContent.Value);
}
if (kFileInfo != null)
{
response = kFileInfo.AsResponse(true);
}
}
return(response);
}
public override async Task ExecuteBindingAsync(ModelMetadataProvider metadataProvider, HttpActionContext actionContext, CancellationToken cancellationToken)
{
if (actionContext.ActionDescriptor.GetCustomAttributes <KMethod>().Any())
{
var value = Descriptor.DefaultValue;
try
{
ResetStream(await actionContext.Request.Content.ReadAsStreamAsync());
// TYPE : query string
var queryValues = actionContext.Request.GetQueryNameValuePairs().Where(x => x.Key.Equals(Descriptor.ParameterName, StringComparison.OrdinalIgnoreCase));
if (queryValues.Any())
{
value = ConvertValueToParameterType(queryValues.First().Value);
}
// TYPE : multipart/form-data
if (actionContext.Request.Content.IsMimeMultipartContent())
{
var provider = await actionContext.Request.Content.ReadAsMultipartAsync();
try
{
var httpContent = provider.Contents.FirstOrDefault(hc => hc.Headers.ContentDisposition.Name.Equals(Descriptor.ParameterName, StringComparison.OrdinalIgnoreCase) || hc.Headers.ContentDisposition.Name.Equals($"\"{Descriptor.ParameterName}\"", StringComparison.OrdinalIgnoreCase));
if (httpContent != null)
{
if (string.IsNullOrWhiteSpace(httpContent.Headers.ContentDisposition.FileName) && string.IsNullOrWhiteSpace(httpContent.Headers.ContentDisposition.FileNameStar))
{
value = ConvertValueToParameterType(await httpContent.ReadAsStringAsync());
}
else
{
if (Descriptor.ParameterType == typeof(KFileInfo))
{
value = KFileInfo.FromStream(await httpContent.ReadAsStreamAsync(), string.IsNullOrWhiteSpace(httpContent.Headers.ContentDisposition.FileName.Trim(' ', '"')) ? httpContent.Headers.ContentDisposition.FileNameStar.Trim(' ', '"') : httpContent.Headers.ContentDisposition.FileName.Trim(' ', '"'), httpContent.Headers.ContentType.MediaType, httpContent.Headers.ContentLength);
}
else if (Descriptor.ParameterType == typeof(byte[]))
{
value = await httpContent.ReadAsByteArrayAsync();
}
else if (Descriptor.ParameterType == typeof(Stream))
{
value = await httpContent.ReadAsStreamAsync();
}
else if (Descriptor.ParameterType == typeof(FileInfo))
{
var tempFileName = Path.GetTempFileName();
File.WriteAllBytes(tempFileName, await httpContent.ReadAsByteArrayAsync());
value = new FileInfo(tempFileName);
}
else if (Descriptor.ParameterType == typeof(string))
{
value = Convert.ToBase64String(await httpContent.ReadAsByteArrayAsync());
}
}
}
}
finally
{
ResetStream(await actionContext.Request.Content.ReadAsStreamAsync());
}
}
// TYPE : application/x-www-form-urlencode
if (actionContext.Request.Content.IsFormData())
{
var formData = await actionContext.Request.Content.ReadAsFormDataAsync();
if (formData != null && formData.AllKeys.Any(x => x.Equals(Descriptor.ParameterName, StringComparison.OrdinalIgnoreCase)))
{
value = ConvertValueToParameterType(formData[Descriptor.ParameterName]);
}
}
// TYPE : application/json
if (actionContext.Request.Content?.Headers?.ContentType?.MediaType?.ToLower() == "application/json")
{
var json = await actionContext.Request.Content.ReadAsStringAsync();
if (!string.IsNullOrWhiteSpace(json))
{
var jObject = JsonConvert.DeserializeObject <JObject>(json, KHelper.JsonSerializerSettings); // we expect a json object, must blow up otherwise
value = ConvertValueToParameterType(jObject.Properties().Where(x => x.Name.Equals(Descriptor.ParameterName, StringComparison.OrdinalIgnoreCase)).FirstOrDefault());
}
}
}
catch (Exception ex)
{
value = Descriptor.DefaultValue;
}
finally
{
ResetStream(await actionContext.Request.Content.ReadAsStreamAsync());
SetValue(actionContext, value);
}
}
}
