public static byte[] ToBytes(this HttpFileBase attachment)
{
using (var memoryStream = new MemoryStream())
{
attachment.InputStream.CopyTo(memoryStream);
return(memoryStream.ToArray());
}
}
public void HandleNotHttpFileType_Throws_UnhandledParameterException(Type type)
{
var httpFileBase = new HttpFileBase("attachment-001.jpg", new MemoryStream(), "image/jpg");
var httpFileModelBinderService = new HttpFileModelBinderService();
Assert.CatchAsync <UnhandledParameterException>(() => httpFileModelBinderService
.BuildModelAsync(type, httpFileBase));
}
public override async Task <InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context)
{
var type = context.ModelType;
// Type is invalid.
if (type == null)
{
throw new ArgumentNullException($"{nameof(context)}.{nameof(context.ModelType)} cannot be null.");
}
try
{
// load multipart data into memory
var httpContents = await context.HttpContext.Request.ReadFormAsync();
// Create an instance from specific type.
var instance = Activator.CreateInstance(type);
foreach (var httpContent in httpContents)
{
// Find parameter from content deposition.
var contentParameter = httpContent.GetContentDispositionName();
var parameterParts = FindContentDispositionParameters(contentParameter);
// Content is a parameter, not a file.
var value = await httpContent.ReadAsStringAsync();
await BuildRequestModelAsync(instance, parameterParts, value);
}
foreach (var httpFile in httpContents.Files)
{
// Content is a file.
// File retrieved from client-side.
var contentParameter = httpFile.Name;
var parameterParts = FindContentDispositionParameters(contentParameter);
var file = new HttpFileBase(
httpFile.GetFileName(),
await httpFile.ReadAsStreamAsync(),
httpFile.GetContentType());
await BuildRequestModelAsync(instance, parameterParts, file);
}
return(InputFormatterResult.Success(instance));
}
catch (Exception e)
{
// TODO: Implement logger.
//if (logger == null)
// throw;
//logger.LogError(string.Empty, e);
var defaultValue = GetDefaultValueForType(type);
return(InputFormatterResult.Success(defaultValue));
}
}
public virtual Task <HttpFileBase> LoadSampleAttachmentAsync()
{
var encodedAttachment =
"iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAzWSURBVHhe7Z1bbBxXGce/mb1fvGvv2l5f4lvixrnYiZuL7bTphQIqFHigCPUBJJ4QEryBxEsf4AEkhLhISEgIwRNJKygNlxa1oaCUXlQgl1JokiZ2Ym9ir+34bq/3Mle+M55J7L3Yu+vZ3Zmd87NGe+Z4PbM733/OfHPOf44ZKIHV+Qv/wJfHN9YoBuGtQOPHnlDLBcOqrxSLQgVgcagALA4VgMWhArA4VAAWhwrA4lABWBwqAItDBWBxqAAsDhWAxaECsDhUABaHCsDiUAFYHMsYQnhegNXVBMiyrNYUCgNutwP8fo+6blhKMoRYQgCJRBquXh0HUZDUmuJp39MIHR3N6pohoY6gfMzdW9pV8AmxqXlsPdSVGsISArDZbGqpdBwOOzAltZfGxhICIM13IOBT14rHbrdBd3eLulZbWMoVLIpSCUngRgtigrOf5gA7YbOxytlc7FKLTb8G7QewOFQAFocKwOJQAVgcKgCLQwVgcagALA4VgMWhArA4huoKliQJxsdnYGV5HQoeesNvEAz6oas7ovTabYZ4ACZwe+vrKWgI1UFnZzMwGd16ZKh4YmIGUsk07lOt3AVujxM6uyI5/QN3orOwtBQHj9cFXfgel8uh/kYXzN8VPD29CHP3loHjeOAweAUtnABzc8swOTmnbuUBUTzgCwurkEpxMB1bULadydjoJKyurCvbybn9IhdiOrl546669QeQzxHDz5BEoS1iOYqiMwKGEkAikVJLxZNMcmrpAamMuiQKIRMiDr0hYiKt2WYy90NaHiNgKAGEQwG1VDzhcPbfhhsf1JGmP9d7GhuDakk/yDZZduuhbWjwY92Dy08IL0lGwFA5AGEFm+O1Irx7JLA+vxsPcO4Duri4pjS7waAvr6/vHl4a0mk8Q3XKAcJhIoDsQ0vO+iX8PBvvKV3seaCeQItD/QCU4qECsDhUABaHCsDiUAFYHCoAi1O0AJ592/nF8eTN4+oqxSCMJq6exth8Vl0tmKIEgDv4Kr6cFWTe8E9KWpRXMEZfUssFUbAAcMPfwpdf4KLrEBZFd85grL6ulnekIAHgBr+DLz/CheYM5uDnGLPn1fK2bBvQz/8LGNzQD7H43Y0aion4HsbuxySG6npO8v7y2XccNpCZn2Exqzl5vusn0kPew2VpDcgwKhna9XicWSNqGjwvKgYOWY/RmwwYhgWfz51zMIdAhno3hnZL3TejfDfytLGeYBIofT/6zVwH7NfAyF87dxoPWg5yfssvvO1y4cH9FRa/vFGzlXIJgPgBrl+LKgEmwT/c360EYzOLi6swNhrLGm/XE6fToew707EzO7ukOIxKecA0k76+DsWlpBfbCIDwW1lmvvKHx9NZJoSsP8Bmw4/BfxmLOYNfTmamF5XgE0iAyXomsamFsgafQBxJszPZ+56aJJNE6NPq3L17Ty1VhOcYRn6JxFZdv88WAeAbQvjyGi6fUSoqTKZfL1czm/2eMpFjP3ruOt/lrYx8Dpc/qTG+z/1Pgb9oxZcLuJxWKqpAa1sYXG6nUibNb3t7k1LeDJnsIdP8qTcejwtaW7ccJwVi9tQjcGS+gY6O7O9WAZ7C5XU11gqKprFiL778FZd9ZH0nypkEEkgSSGbmyne2k2ZYScT0zwGVI+J2u/Ke7eTyk07zu9q3C7+b3i3ADjlAJqO4fOrcY9xtcpvXjyvncWkjvymEcguAUjxFCoBAbNRPsc1yz5sMMAUHn1IzNPHpzn+z3dJguF98Curl2pwEiZKNwDdDfOXjkIiPeJQmwwMB2C+dUhaf3KC8iVJ7iGIAEmuPwPrqkyAKYaVuyzWDtAKHpSdhr3QcnOBVaylmR5bckIyfgPjy08Bze9TaDXImDY1yJwyKT0OH1A82OvhnWmTZDqnEEVhbfga4NLnRy7612TZrbJUfgofFZ6BF7sU/LSbBpFQXBrhULwb+05BOHlCEkI8do8riT6c0AEfET0BIbldrKUZF4FoxwfskJNePYdO/s2+n4NPaBT7olYbggHQaOEEsb2c8pWgW0qK4vvYYkEUU6tXanWF+8OZzJfVpHWjok4aaT0p+h1/fcU1KUSxycf5s9DJzYXbMXkogSxaAxsNNg8LxxmOs0+akSUIFSYqc+OKdy3B++iOGk6SSj/2uBUCws3Z5JDIk9Yf6GZap/DCXlRBlSXw19oH48uSHtjWe2/WomC4C0Ag6A8JIywjsC+wlHyzPcMr2LC2twfLyesHj7izDQF3Am/dx6/n5FUgm0hCs90MA35eJJMnK2H+uySOKhXxhMpoZiTQoE1NnEo8nle/ncjmhqSmYd7ArD/I/F26lzkQvO6YSa7pddnUVgEabr43HFoFp8bYU9UHJVC+3xmLqWnH09LRApGXrEC6ZkoXMy6Nx8FCXMk/AZsbGpmB+bkVd0wcy+cP+vg51bYO1tQRcuxq9L+zW1rAyr1EhjMZnuTMTF6X/Ls9utUfpQFma69h6zHHu9h/tb0z+TVzhVgS1ekeWl+JqqXjI5EuZLODZv5nl5ez3kPl69IZMSpHpWsr8h1XE2rYTs6lV/qc3LvDf/s+rznIEn1DW6/Xo8pjt7M0X7e9MvyumxNSOt47eDP9fMRCjZSaZfkKvN3v7uep2CzGUZI73k7rNbPdfyOJCSvzlrXfFb1z+vf2tudtl7YotyyUgF5gcAt42CkcbB1gbY88rPNJkk2liCrXekcsoadb3dDRlHXRyxo3fnlamZiE5AnEcZULMHWTGrtQuTR4aLpddcQ5lBpwwPb2ArdKq8rvOruYsZ7Agi5jcXZFfmbrOrAt8eW1PKhUTgIbX7hVPtYzIffX7S04UaxDpzXsfpV+8877zXipRkcBrVFwAGs3eZv5UZJhp97VbuiPp6uoU95uJi/KN1YXsJqMCVE0AGnsDPcJQ5CQTcoUqqvxqM5lc5F+IXpHfm49mJy8VpOoC0DgUOihijkAuETUthBU+IZCu27/PjrKSLFf9EmgYARAY/DnRfEwYbBxkHfijVtcEaYkXf3f3ivyX2HU2LYqG+W6GEoCG0+aUSKJ4qOEgJvl4+2BiZJCl12c+5F6684FjiUsbrnUzpAA0Qu6QMBIZhu66LlMmileWoukz0YvseHzFsLYqQwtAo6uuk8dEkW1yN5kiPxhfnyMJnnRpcbIqmX0xmEIAGgfq90tDkSHZ7/AbUggLXBwDX/rYfDUwlQA0BhuPiieajzNO1hgeBDI2/8KdS3B++gbD72JsvhqYUgAE4kEYjgxJA1X0IJCx+VdiH4jndBqbrwamFYBGwBkQTrUMw77APhKASt1Xy+8t3EqfmbhkjyXjpu7JNL0ANNp8rTzeMbAt3paynok312a4M9FL0v/KNDxbaWpGABq9wV5pOHJSDjqDugphNr3Cn524DG/PjdfUkzI1JwCNgXC/eLL5BOO2uXeVH5Cx+bPRS/DGzE1WNEDXrd7UrAAIqgdBPNo4wGznQcgFL4viubtX5D/HrjEJQTBlglcINS0ADa/dQ7qWpb76vkISRekCGZuPvu+cS1d2bL4aWEIAGsSDQMyqe3x7cmbuH65MYYJ3EW6sLlR1iLaSWEoAGj2BbmEYhaB5ENSxeem9+ajhu271xpIC0DgUOiiNpxj51elRm2TRo2Cqbku9ubZ4nU0mrtn2uXmwM9ZUgKUFoNGNDf8TQR66XAJmiNYSAhWACouh3++R4dEgBxFnwc+ymB4qgAw8DAtHvDIc93NQb885wXZNQQWQh5CdgZN+CY74BPDaanc+DCqAHYg48LJQJ8IBLw/OGkwUqQAKpMMJ8Dgmij1uAdgaEgIVQBEQ23qvW4bHAhy01UiiSAVQAk5MFA9jojhUl4aww9yJIhXALgjaWDjmk2DQx4PfZk4hUAHoQJMD4FSdBIcwUXSx5soPqAB0pJ0kigEBej2CabqWqQDKQI8LE0W8Y+gwQdcyFUCZsGPoD3hkOIV3DE0GThSpAMqMj2UxSZTgYT8HQQN2LVMBVIhGOwNDfgn6MVH0sMbpWqYCqDCtmCieDoiw38ODwwCJIhVAlehybXQtd1W5a5kKoIooHgS3DI9iothSpa5lKgAD4GZYGPDKcKKOg4YKJ4pUAAaiwcbACdWD4KuQB4EKwIAQD8IjdSIcJB6EMnctUwEYmD1q1/JeTBRtZUoUqQAMDnmObZ/qQWjHRFHvp1OpAEyCAxPFQ5goDuvsQaACMBl1mzwIdTp4EKgATArxIIzUSXBY8SCUfsdABWBy2pREUYReT2mPt1EB1Ag9pGs5ULwHgQqghrAxGx6ER/COodlRWNcyFUAN4mVZOOqT4VgBHgQqgBomrHoQBnxCXg8CFYAFaHHIigehL4cHgQrAQnSq8yB0b/IgoADK08dMMSbk8baHiAehjsOkUYT/A9goFRCT5lXBAAAAAElFTkSuQmCC";
var bytes = Convert.FromBase64String(encodedAttachment);
var attachment = new HttpFileBase("attachment-001.jpg", new MemoryStream(bytes), "image/jpg");
return(Task.FromResult(attachment));
}
public static ByteArrayContent ToByteArrayContent(this HttpFileBase attachment, string parameter)
{
var memoryStream = new MemoryStream();
attachment.InputStream.CopyTo(memoryStream);
var content = new ByteArrayContent(memoryStream.ToArray());
content.Headers.ContentType = MediaTypeHeaderValue.Parse(attachment.ContentType);
content.Headers.ContentDisposition = ContentDispositionHeaderValue.Parse("attachment");
content.Headers.ContentDisposition.FileName = attachment.FileName;
content.Headers.ContentDisposition.Name = parameter;
return(content);
}
/// <summary>
/// Read data from incoming stream.
/// </summary>
/// <param name="type"></param>
/// <param name="stream"></param>
/// <param name="content"></param>
/// <param name="logger"></param>
/// <returns></returns>
public override async Task <object> ReadFromStreamAsync(Type type, Stream stream, HttpContent content,
IFormatterLogger logger)
{
// Stream is invalid.
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
// Type is invalid.
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
try
{
// load multipart data into memory
var multipartProvider = await content.ReadAsMultipartAsync();
var httpContents = multipartProvider.Contents;
// Create an instance from specific type.
var instance = Activator.CreateInstance(type);
foreach (var httpContent in httpContents)
{
// Find parameter from content deposition.
var contentParameter = httpContent.GetContentDispositionName();
var parameterParts = FindContentDispositionParameters(contentParameter);
// Content is a parameter, not a file.
if (!httpContent.IsAttachment())
{
var value = await httpContent.ReadAsStringAsync();
await BuildRequestModelAsync(instance, parameterParts, value);
continue;
}
// Content is a file.
// File retrieved from client-side.
HttpFileBase file = null;
// set null if no content was submitted to have support for [Required]
if (httpContent.Headers.ContentLength.GetValueOrDefault() > 0)
{
file = new HttpFileBase(
httpContent.GetFileName(),
await httpContent.ReadAsStreamAsync(),
httpContent.GetContentType());
}
await BuildRequestModelAsync(instance, parameterParts, file);
}
return(instance);
}
catch (Exception e)
{
// TODO: Implement logger.
//if (logger == null)
// throw;
//logger.LogError(string.Empty, e);
var defaultValue = GetDefaultValueForType(type);
return(defaultValue);
}
}
public HttpFileBaseResponseViewModel(HttpFileBase model)
{
FileName = model.FileName;
ContentType = model.ContentType;
ContentLength = model.ContentLength;
}
/// <summary>
/// Read data from incoming stream.
/// </summary>
/// <param name="type"></param>
/// <param name="stream"></param>
/// <param name="content"></param>
/// <param name="formatterLogger"></param>
/// <returns></returns>
public override async Task <object> ReadFromStreamAsync(Type type, Stream stream, HttpContent content,
IFormatterLogger formatterLogger)
{
// Type is invalid.
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
// Stream is invalid.
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
// Find dependency resolver.
var dependencyResolver = GlobalConfiguration.Configuration.DependencyResolver;
if (dependencyResolver == null)
{
throw new ArgumentException("Dependency resolver is required.");
}
using (var dependencyScope = dependencyResolver.BeginScope())
{
try
{
// load multipart data into memory
var multipartProvider = await content.ReadAsMultipartAsync();
var httpContents = multipartProvider.Contents;
// Create an instance from specific type.
var instance = Activator.CreateInstance(type);
foreach (var httpContent in httpContents)
{
// Find parameter from content deposition.
var contentParameter = httpContent.Headers.ContentDisposition.Name.Trim('"');
var parameterParts = FindContentDispositionParameters(contentParameter);
// Content is a parameter, not a file.
if (string.IsNullOrEmpty(httpContent.Headers.ContentDisposition.FileName))
{
var value = await httpContent.ReadAsStringAsync();
await BuildRequestModelAsync(instance, parameterParts, value, dependencyScope);
continue;
}
// Content is a file.
// File retrieved from client-side.
HttpFileBase file = null;
// set null if no content was submitted to have support for [Required]
if (httpContent.Headers.ContentLength.GetValueOrDefault() > 0)
{
if (IsStreamingRequested(instance, contentParameter))
{
file = new StreamedHttpFile(
httpContent.Headers.ContentDisposition.FileName.Trim('"'),
httpContent.Headers.ContentType.MediaType,
await httpContent.ReadAsStreamAsync());
}
else
{
file = new HttpFile(
httpContent.Headers.ContentDisposition.FileName.Trim('"'),
httpContent.Headers.ContentType.MediaType,
await httpContent.ReadAsByteArrayAsync());
}
}
await BuildRequestModelAsync(instance, parameterParts, file, dependencyScope);
}
return(instance);
}
catch (Exception e)
{
if (formatterLogger == null)
{
throw;
}
formatterLogger.LogError(string.Empty, e);
return(GetDefaultValueForType(type));
}
}
}
