public ActionResult Create([Bind(Include = "ID,Forename,Surname,JobTitle,EmployeeNumber,File")] Employee employee, HttpPostedFileBase file)
{
if (ModelState.IsValid)
{
if (file != null)
{
byte[] thePictureAsBytes = new byte[file.ContentLength];
using (BinaryReader theReader = new BinaryReader(file.InputStream))
{
thePictureAsBytes = theReader.ReadBytes(file.ContentLength);
}
// Convert photo to base64
string tempPhoto = Convert.ToBase64String(thePictureAsBytes);
// Send thePictureAsBytes to Google Vision API
bool imageValidated = ImageValidationHelper.ValidateImage(tempPhoto);
// Check if photo meets standard
if (imageValidated)
{
// add photo to employee
employee.Photo = tempPhoto;
}
}
db.Employees.Add(employee);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(employee));
}
public async Task <IActionResult> UpdateAvatar([FromForm] AvatarModel model)
{
string fileName = "";
string filePath = "";
string newFileName = "";
try
{
fileName = model.Image.GetFileName();
var extension = Path.GetExtension(fileName);
#region Validations
// check for invalid characters
if (fileName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
{
return(BadRequest());
}
// file name should not exceed 255 characters
if (fileName.Length > 255)
{
return(BadRequest());
}
// check for valid extensions
if (!Constants.AcceptedExtensions.Any(e => e == extension.ToUpper()))
{
return(BadRequest());
}
// check image header bytes
using (var sourceStream = model.Image.OpenReadStream())
{
if (!ImageValidationHelper.ValidateImageHeaders(sourceStream))
{
return(BadRequest());
}
}
#endregion
newFileName = Guid.NewGuid().ToString() + extension;
filePath = Path.Combine(_dynamicConfig.CacheFolder, Constants.AvatarFolder, newFileName);
_fileUploadService.CreateDirectory(filePath);
await _fileUploadService.CopyFile(model.Image, filePath, FileMode.Create);
var user = await _accountService.GetUser(User.Identity.Name);
user.AvatarImage = newFileName;
await _accountService.SaveUser(user);
}
catch (Exception ex)
{
_logger.LogError(ex, $"Failed to save avatar profile image: {fileName}");
throw;
}
return(Ok(new { avatarImage = newFileName }));
}
public async Task <IActionResult> ImageUpload(IFormCollection formdata)
{
var acceptedExtensions = new string[] { "JPG", "JPEG", "PNG", "GIF" };
var files = HttpContext.Request.Form.Files;
var tags = new List <string>();
if (formdata.ContainsKey("tagList") && formdata["tagList"].ToString().Length > 0)
{
tags = formdata["tagList"].ToString().Split(',').ToList();
}
foreach (var file in files)
{
string fileName = "";
string filePath = "";
try
{
fileName = file.GetFileName();
var extension = Path.GetExtension(fileName);
var tempDir = Path.GetTempPath();
#region Validations
// check for invalid characters
if (fileName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
{
return(BadRequest());
}
// file name should not exceed 255 characters
if (fileName.Length > 255)
{
return(BadRequest());
}
// check for valid extensions
if (!Constants.AcceptedExtensions.Any(e => e == extension.ToUpper()))
{
return(BadRequest());
}
// check image header bytes
using (var sourceStream = file.OpenReadStream())
{
if (!ImageValidationHelper.ValidateImageHeaders(sourceStream))
{
return(BadRequest());
}
}
#endregion
filePath = Path.Combine(tempDir, fileName);
await _fileUploadService.CopyFile(file, filePath, FileMode.Create);
var user = User.Identity.Name;
tags.Add($"{user} Upload");
var cachePath = await _imageService.QueueMobileResize(user, filePath, tags.ToArray());
LogUpload(User.Identity.Name);
_uploadTracker.AddUpload(User.Identity.Name, filePath);
}
catch (Exception ex)
{
_logger.LogError(ex, $"Failed to receive uploaded file: {fileName}");
throw;
}
}
return(Ok());
}
