public ActionResult Create([Bind(Include = "Id,UserId,Description,Content")] CreatePictureViewModel picture, string tags, HttpPostedFileBase ContentFile)
{
if (ContentFile == null)
{
ViewBag.Error = "You have not chosen a picture.";
ViewBag.ShowError = true;
return(View());
}
if (ModelState.IsValid)
{
var tagsList = tags.Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
var currentUserId = AuthManager.GetAuthenticated().Id;
var description = picture.Description;
var contentFile = ContentFile;
var content = PictureUtilities.PictureToByteArray(contentFile);
var pictureEntity = new Picture()
{
Content = content,
Description = description,
UserId = currentUserId
};
pictureEntity = TagsController.Create(tagsList, pictureEntity, db);
db.Pictures.Add(pictureEntity);
db.SaveChanges();
return(RedirectToAction("Details/" + currentUserId, "Users"));
}
return(View(picture));
}
private async Task <bool> openHiddenImage(StorageFile hiddenImageFile)
{
if (await this.isHiddenImageTooLarge(hiddenImageFile))
{
return(false);
}
var copyBitmapImage = await FileUtilities.MakeCopyOfTheImage(hiddenImageFile);
await PictureUtilities.LoadImageData(this.HiddenPicture, hiddenImageFile, copyBitmapImage);
return(true);
}
public ActionResult Edit([Bind(Include = "Id,Name,Username,Password,Email,RepeatPassword,Biography,IsPrivate")] User user, HttpPostedFileBase profilePictureFile)
{
if (!UserValidations.ValidateEmail(user.Email))
{
ViewBag.Error = "Your email is invalid. Please enter a valid one.";
ViewBag.ShowError = true;
return(View());
//TODO: Add notification
}
if (!UserValidations.ValidateUsername(user.Username))
{
ViewBag.Error = "Your username is invalid. It should be between 3 and 50 characters long.";
ViewBag.ShowError = true;
return(View());
//TODO: Add notification
}
if (!UserValidations.ValidatePassword(user.Password))
{
ViewBag.Error = "Your password is invalid. It should be at least 8 characters long, contain at least one small and one big letter and one digit.";
ViewBag.ShowError = true;
return(View());
//TODO: Add notification
}
if (!UserValidations.ValidateRepeatedPassword(user.Password, user.RepeatPassword))
{
ViewBag.Error = "Your passwords do not match.";
ViewBag.ShowError = true;
return(View());
//TODO: Add notification
}
if (!UserValidations.ValidateProfilePicture(profilePictureFile))
{
ViewBag.Error = "You have not chosen a profile picture.";
ViewBag.ShowError = true;
return(View());
//TODO: Add notification
}
if (ModelState.IsValid)
{
user.RegisterProfilePicture = PictureUtilities.PictureToByteArray(profilePictureFile);
repo.Update(user);
return(RedirectToAction("Details/" + AuthManager.GetAuthenticated().Id, "Users"));
}
return(View(user));
}
private async Task <bool> isTextFileTooBig()
{
var textArray = this.HiddenText.StringToBitArray();
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.SourcePicture);
if (textArray.Length > pixels.Length / ImageConstants.ByteLength * this.BitsPerColorChannel)
{
await this.showMessageCantFitDialog(textArray, pixels);
return(true);
}
return(false);
}
private async Task openDraggedFile(DragEventArgs dragEvent)
{
if (dragEvent.DataView.Contains(StandardDataFormats.StorageItems))
{
var items = await dragEvent.DataView.GetStorageItemsAsync();
var sourceImageFile = items[0] as StorageFile;
var copyBitmapImage = await FileUtilities.MakeCopyOfTheImage(sourceImageFile);
if (sourceImageFile != null)
{
await PictureUtilities.LoadImageData(this.SourcePicture, sourceImageFile, copyBitmapImage);
}
}
}
/// <summary>
/// Opens the source image.
/// </summary>
/// <returns>
/// true if file opened, false otherwise
/// </returns>
public async Task <bool> OpenSourceImage()
{
var sourceImageFile = await FileUtilities.SelectFile();
if (!await this.isFileValid(sourceImageFile))
{
return(false);
}
var copyBitmapImage = await FileUtilities.MakeCopyOfTheImage(sourceImageFile);
await PictureUtilities.LoadImageData(this.SourcePicture, sourceImageFile, copyBitmapImage);
return(true);
}
private string extractTextFromBytes()
{
var text = new StringBuilder();
var binaryText = new StringBuilder();
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.sourcePicture);
for (var i = 0; i < pixels.Length; i++)
{
if (this.getTextFromBits(i, pixels, binaryText, text, out var extractTextFromBytes1))
{
return(extractTextFromBytes1);
}
}
return(text.ToString());
}
private void textEmbedding(string text)
{
text = this.removeNonLettersIfNotEncrypted(text);
text += this.endOfText;
var textArray = text.StringToBitArray();
var textArrayIndex = 0;
var pixels = PictureUtilities.ConvertBytesIntoBitArray(this.sourcePicture);
this.MessageTooLarge = false;
for (var i = 0; i < pixels.Length; i++)
{
if (this.changeBitsPerByte(i, pixels, textArray, ref textArrayIndex))
{
return;
}
}
}
/// <summary>
/// Converts image to Picture then saves it.
/// </summary>
/// <param name="image">The image.</param>
public async Task SaveImage(Image image)
{
var picture = await PictureUtilities.ConvertImageToPicture(image);
FileUtilities.SaveImage(picture);
}
public ActionResult Create([Bind(Include = "Id,Name,Username,Password,Email,RepeatPassword,Biography,IsPrivate")] User user, HttpPostedFileBase profilePictureFile)
{
if (!UserValidations.ValidateEmail(user.Email))
{
ViewBag.Error = "Your email is invalid. Please enter a valid one.";
ViewBag.ShowError = true;
return(View());
}
if (UserUtilities.IsEmailTaken(user.Email, db))
{
ViewBag.Error = "This email is already taken. Please register with another one.";
ViewBag.ShowError = true;
return(View());
}
if (!UserValidations.ValidateUsername(user.Username))
{
ViewBag.Error = "Your username is invalid. It should be between 3 and 50 characters long.";
ViewBag.ShowError = true;
return(View());
}
if (UserUtilities.IsUserExisting(user.Username, db))
{
ViewBag.Error = "This username is already taken. Please register with another one.";
ViewBag.ShowError = true;
return(View());
}
if (!UserValidations.ValidatePassword(user.Password))
{
ViewBag.Error = "Your password is invalid. It should be at least 8 characters long, contain at least one small and one big letter and one digit.";
ViewBag.ShowError = true;
return(View());
}
if (!UserValidations.ValidateRepeatedPassword(user.Password, user.RepeatPassword))
{
ViewBag.Error = "Your passwords do not match.";
ViewBag.ShowError = true;
return(View());
}
if (!UserValidations.ValidateProfilePicture(profilePictureFile))
{
ViewBag.Error = "You have not chosen a profile picture.";
ViewBag.ShowError = true;
return(View());
}
if (ModelState.IsValid)
{
user.RegisterProfilePicture = PictureUtilities.PictureToByteArray(profilePictureFile);
db.Users.Add(user);
db.SaveChanges();
AuthManager.SetCurrentUser(user.Username, user.Password);
return(RedirectToAction("Details/" + AuthManager.GetAuthenticated().Id, "Users"));
}
return(View(user));
}
