public async Task <IActionResult> Post()
{
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
return(BadRequest($"Expected a multipart request, but got {Request.ContentType}"));
}
// Used to accumulate all the form url encoded key value pairs in the
// request.
var formAccumulator = new KeyValueAccumulator();
string targetFilePath = null;
string targetFileContentType = null;
var boundary = MultipartRequestHelper.GetBoundary(
MediaTypeHeaderValue.Parse(Request.ContentType),
DefaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (MultipartRequestHelper.HasFileContentDisposition(contentDisposition))
{
targetFilePath = Path.GetTempFileName();
targetFileContentType = section.ContentType;
var fileName = GetFileName(section.ContentDisposition);
using (var targetStream = new FileStream(fileName, FileMode.Append))
{
await _storage.StoreAndGetFile(fileName, "talentcontest", targetFileContentType, targetStream);
//await section.Body.CopyToAsync(targetStream);
_logger.LogInformation($"Copied the uploaded file '{targetFilePath}'");
}
}
else if (MultipartRequestHelper.HasFormDataContentDisposition(contentDisposition))
{
// Content-Disposition: form-data; name="key"
//
// value
// Do not limit the key name length here because the
// multipart headers length limit is already in effect.
var key = HeaderUtilities.RemoveQuotes(contentDisposition.Name);
var encoding = GetEncoding(section);
using (var streamReader = new StreamReader(
section.Body,
encoding,
detectEncodingFromByteOrderMarks: true,
bufferSize: 1024,
leaveOpen: true))
{
// The value length limit is enforced by MultipartBodyLengthLimit
var value = await streamReader.ReadToEndAsync();
if (String.Equals(value, "undefined", StringComparison.OrdinalIgnoreCase))
{
value = String.Empty;
}
formAccumulator.Append(key.ToString(), value);
if (formAccumulator.ValueCount > DefaultFormOptions.ValueCountLimit)
{
throw new InvalidDataException($"Form key count limit {DefaultFormOptions.ValueCountLimit} exceeded.");
}
}
}
}
// Drains any remaining section body that has not been consumed and
// reads the headers for the next section.
section = await reader.ReadNextSectionAsync();
}
// Bind form data to a model
var entry = new SubmissionViewModel();
var formValueProvider = new FormValueProvider(
BindingSource.Form,
new FormCollection(formAccumulator.GetResults()),
CultureInfo.CurrentCulture);
var bindingSuccessful = await TryUpdateModelAsync(entry, prefix : "",
valueProvider : formValueProvider);
if (!bindingSuccessful)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
}
var uploadedData = new Submission
{
FirstName = entry.FirstName,
LastName = entry.LastName,
Email = entry.Email,
ManagerName = entry.ManagerName,
LocationId = entry.LocationId,
PhoneNumber = entry.PhoneNumber,
FileName = entry.FileName,
Talent = entry.Talent,
ImageConsent = entry.ImageConsent,
ContestConsent = entry.ContestConsent,
EmployeeId = entry.EmployeeId
};
return(Json(uploadedData));
}
public async Task <IActionResult> OnPostAsync()
{
var supportedTypes = new[] { "mp4", "webm", "ogg", "mov", "mkv", "avi", "wmv", "m4v" };
var fileExt = Path.GetExtension(Submission.FormFile.FileName).Substring(1);
if (!supportedTypes.Contains(fileExt))
{
ModelState.AddModelError("Submission.FileName", "File must be in mp4, m4v, wmv, avi, mkv, mov, webm, or ogg format.");
}
if (!Submission.ImageConsent)
{
ModelState.AddModelError("Submission.ImageConsent", "You must agree to the image consent.");
}
if (!Submission.ContestConsent)
{
ModelState.AddModelError("Submission.ContestConsent", "You must agree to the contest consent.");
}
if (!ModelState.IsValid)
{
Submission.FileName = Submission.FormFile.FileName;
var locations = await _context.Locations.OrderBy(e => e.Name).ToListAsync();
LocationSl = new SelectList(locations, nameof(Location.Id), nameof(Location.Name), "0");
Submission.ErrorMessage = "Your entry was not successful.";
return(Page());
}
var contentType = Submission.FormFile.ContentType;
using (var fileStream = Submission.FormFile.OpenReadStream())
{
var fileName =
await _storage.StoreAndGetFile(Submission.FormFile.FileName, "talentcontest", contentType, fileStream);
Submission.FileName = fileName;
}
var sub = new Submission
{
FirstName = Submission.FirstName,
LastName = Submission.LastName,
Email = Submission.Email,
ManagerName = Submission.ManagerName,
LocationId = Submission.LocationId,
PhoneNumber = Submission.PhoneNumber,
FileName = Submission.FileName,
Talent = Submission.Talent,
ImageConsent = Submission.ImageConsent,
ContestConsent = Submission.ContestConsent,
EmployeeId = Submission.EmployeeId
};
_context.Submissions.Add(sub);
await _context.SaveChangesAsync();
var guid = sub.StringId;
return(RedirectToPage("ThankYou", new { id = guid }));
}
