/// <summary>
/// Send the old and new password to the server, if the password are good,
/// the password for the user is changed
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async void OnButtonChangePasswordPressed(object sender, EventArgs e)
{
IndicatorOn();
WrongCompleted = false;
NotIdentic = false;
WrongPassword = false;
Succeeded = false;
ErrorRequest = false;
ErrorConflict = false;
String oldPassword = OldPasswordEntry.Text;
String newPassord = NewPasswordEntry.Text;
String confirmedPassword = ConfirmPasswordEntry.Text;
await Task.Run(async() =>
{
if (CrossConnectivity.Current.IsConnected)
{
if (oldPassword == null || newPassord == null || confirmedPassword == null ||
oldPassword.Equals("") || newPassord.Equals("") || confirmedPassword.Equals(""))
{
WrongCompleted = true;
return;
}
if (!newPassord.Equals(confirmedPassword))
{
NotIdentic = true;
return;
}
if (!CreateAccountManager.CheckPassword(newPassord))
{
WrongPassword = true;
return;
}
//hash password
SHA1Managed sha1 = new SHA1Managed();
var oldHash = sha1.ComputeHash(Encoding.UTF8.GetBytes(oldPassword));
String oldPasswordHashed = String.Join("", oldHash.Select(b => b.ToString("x2")).ToArray());
var newHash = sha1.ComputeHash(Encoding.UTF8.GetBytes(newPassord));
String newPasswordHashed = String.Join("", newHash.Select(b => b.ToString("x2")).ToArray());
//Create json
String jsonModifyPassword = "******"Login\":\"" + currentUser.Login +
"\", \"Old_password\":\"" + oldPasswordHashed + "\", \"New_password\":\"" +
newPasswordHashed + "\"}";
//Send json
try
{
HttpWebRequest webRequest = WebRequest.Create(ApplicationConstants.serverChangePasswordURL) as HttpWebRequest;
webRequest.ContentType = "application/json";
webRequest.Method = "POST";
JsonParser.SendToServer(webRequest, jsonModifyPassword);
HttpWebResponse webResponse = webRequest.GetResponse() as HttpWebResponse;
//If response OK, quit
if (webResponse.StatusCode.Equals(HttpStatusCode.OK))
{
Succeeded = true;
return;
}
}
catch (Exception exception)
{
WebException webException = exception as WebException;
HttpWebResponse response = webException.Response as HttpWebResponse;
//If conflict, warn user
if (response.StatusCode.Equals(HttpStatusCode.Conflict))
{
ErrorConflict = true;
return;
}
else
{
ErrorRequest = true;
return;
}
}
}
else
{
await DisplayAlert("Erreur", "Vous devez être connecter à internet pour modifier votre mot de passe", "OK");
return;
}
});
if (Succeeded)
{
await DisplayAlert("Changer de mot de passe", "Votre mot de passe a bien été modifié", "OK");
await Navigation.PopAsync();
IndicatorOff();
}
if (WrongCompleted)
{
await DisplayAlert("Erreur", "Tous les champs doivent être renseignés", "OK");
}
if (WrongPassword)
{
await DisplayAlert("Erreur", "Le nouveau mot de passe doit contenir au moins 6 caractères dont au moins une majuscule", "OK");
}
if (ErrorConflict)
{
await DisplayAlert("Erreur", "Le changement de mot de passe n'a pas pu être effectué", "OK");
}
if (ErrorRequest)
{
await DisplayAlert("Erreur", "Erreur lors de l'envoi ou du traitement de la requête", "OK");
}
if (NotIdentic)
{
await DisplayAlert("Erreur", "Le nouveau mot de passe et la confirmation doivent être identique", "OK");
}
IndicatorOff();
}
