protected override async void OnStart()
{
#region Update user to refresh auth token
// Check if user is connected to internet, if not, skip this
if (CheckNetwork.IsInternet())
{
UserDatabase uDB = new UserDatabase();
var AppUserData = uDB.GetAllUsers();
// Check if a user already exists:
if (AppUserData.Count != 0)
{
User AppUser = new User()
{
Username = AppUserData[0].Username,
Password = AppUserData[0].Password,
};
var result = await RestService.Login(AppUser);
uDB.UpdateUser(result);
}
}
#endregion
#region AppCenter init
//AppCenter.Start(
// "ios=cadde90a-e7d4-4488-b4df-4ee5f3fbc174;" +
// "android=83ece3d7-61ae-4edb-8279-6d8ce9536966",
// typeof(Analytics), typeof(Crashes), typeof(Push)
//);
#endregion
}
/// <summary>
/// Initializes a new instance of the <see cref="MainViewModel"/> class.
/// </summary>
/// <param name="currentUser">All the required information about the current logged in user.</param>
/// <param name="data">Instance of <see cref="DataComponents"/> that allows access to user database and certificates.</param>
/// <param name="thisWindow">Window in which MainControl is shown.</param>
public MainViewModel(UserInformation currentUser, UserDatabase data, ViewModelHistory thisWindow)
{
this.currentUserInfo = currentUser;
this.thisWindow = thisWindow;
this.operationModes.Add("Encrypt");
this.operationModes.Add("Decrypt");
this.ChosenMode = this.operationModes[0];
this.hashAlgorithms.Add(new HashAlgorithmChoice("SHA256", SHA256.Create()));
this.hashAlgorithms.Add(new HashAlgorithmChoice("MD5", MD5.Create()));
this.ChosenHashAlgorithm = this.hashAlgorithms[0];
this.encryptionAlgorithms.Add(new EncryptionAlgorithmChoice("AES", new AesMachine()));
this.encryptionAlgorithms.Add(new EncryptionAlgorithmChoice("TripleDES", new TDesMachine()));
this.encryptionAlgorithms.Add(new EncryptionAlgorithmChoice("Twofish", new TwofishMachine()));
this.ChosenEncryptionAlgorithm = this.encryptionAlgorithms[0];
this.allUsers.AddRange(data.GetAllUsers().Where((user) => user.Username != currentUser.Username));
}
public AccountPage()
{
InitializeComponent();
// Check if user is connected to internet, if not, skip this
if (CheckNetwork.IsInternet())
{
var userDatabase = new UserDatabase();
var userdata = userDatabase.GetAllUsers();
if (userdata.Count < 1)
{
BtnLoginProcess.IsVisible = true;
LblAccountText.IsVisible = true;
LblUserName.IsVisible = false;
BtnLogoutProcess.IsVisible = false;
BtnRegisterProcess.IsVisible = true;
}
else
{
var Displayname = userdata.First().Displayname;
BtnLoginProcess.IsVisible = false;
LblUserName.Text = "Welcome " + Displayname;
LblUserName.TextColor = Color.White;
LblUserName.IsVisible = true;
LblAccountText.IsVisible = false;
BtnLogoutProcess.IsVisible = true;
BtnRegisterProcess.IsVisible = false;
}
}
else
{
BtnLoginProcess.IsVisible = false;
LblAccountText.IsVisible = false;
BtnLogoutProcess.IsVisible = false;
BtnRegisterProcess.IsVisible = false;
LblUserName.IsVisible = false;
LblAccountText.IsVisible = false;
ErrMessage.IsVisible = true;
ErrMessage.TextColor = Color.Red;
ErrMessage.Text = "You're not connected to the internet. Please make sure you are connected to use the app.";
}
}
public ListUsersModule()
{
// add an after hook to send the user to access denied if they are NOT admin
After += context =>
{
if (context.Response.StatusCode == HttpStatusCode.Forbidden)
{
context.Response = Response.AsRedirect("/denied");
}
};
this.RequiresAnyClaim(new[] { "admin" });
Get["/users"] = _ =>
{
this.RequiresAuthentication();
var users = UserDatabase.GetAllUsers();
ViewBag.Title = "Application Users";
return(View["Views/User/Users", users]);
};
}
private async void ToCreateProduct(object sender, EventArgs e)
{
if (CheckNetwork.IsInternet())
{
var userDatabase = new UserDatabase();
var userdata = userDatabase.GetAllUsers();
if (userdata.Count == 1)
{
await Navigation.PushAsync(new CreateProduct());
}
else
{
await DisplayAlert("Error", "You must be logged in to create an ad.", "Ok");
await Navigation.PushAsync(new LoginPage());
}
}
else
{
ErrMessage.IsVisible = true;
ErrMessage.TextColor = Color.Red;
ErrMessage.Text = "You're not connected to the internet. Please make sure you are connected to use the app.";
}
}
private async void RegisterProcess_Clicked(object sender, EventArgs e)
{
RegisterMessage.TextColor = Color.LightGreen;
RegisterMessage.Text = "Registration in progress...";
// Check if user has an internet connection. If there IS a connection, continue with the login process
if (CheckNetwork.IsInternet())
{
// Creating new user and setting Username and Password to the input from the login page
var user = new User
{
Username = Entry_Username.Text,
Password = Entry_Pass.Text,
Nicename = Entry_Nicename.Text,
Email = Entry_Email.Text,
};
if (Entry_Username.Text != null && Entry_Pass.Text != null && Entry_ConfirmPass.Text != null && Entry_Email.Text != null && Entry_Nicename.Text != null)
{
indicator.IsVisible = true;
if (Entry_Pass.Text == Entry_ConfirmPass.Text)
{
// Using hard coded admin to use it's bearer so we can register a user as this requires administrator access
var userAuth = new User
{
Username = "******",
Password = "******"
};
// Login the administrator
var authUser = await App.RestService.Login(userAuth);
// Setting bearer to the accesstoken we received from the admin (Can't hardcode the token as it refreshes every so often)
var bearer = authUser.AccessToken;
Constants.CreateUserToken = bearer;
if (user.Username.Length > 5)
{
if (Regex.Match(user.Username, @"^[a-zA-Z ]+$").Success)
{
if (user.Nicename.Length > 5)
{
if (Regex.Match(user.Nicename, @"^[a-zA-Z ]+$").Success)
{
// Check if user already exist by searing for it's username
var doesUserExist = await App.RestService.DoesUserExist(user);
if (doesUserExist)
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "This username already exists. Please revise and try again.";
}
else
{
var userEmail = user.Email;
var email = userEmail.ToLower();
var emailPattern = "^(?(\")(\".+?(?<!\\\\)\"@)|(([0-9a-z]((\\.(?!\\.))|[-!#\\$%&'\\*\\+/=\\?\\^`\\{\\}\\|~\\w])*)(?<=[0-9a-z])@))(?(\\[)(\\[(\\d{1,3}\\.){3}\\d{1,3}\\])|(([0-9a-z][-\\w]*[0-9a-z]*\\.)+[a-z0-9][\\-a-z0-9]{0,22}[a-z0-9]))$";
if (Regex.Match(email, emailPattern).Success)
{
// Sending the user's input to the register logic
var registerResult = await App.RestService.Register(user);
if (registerResult.WP_Id != 0)
{
RegisterMessage.TextColor = Color.LightGreen;
RegisterMessage.Text = "Registration successfull. Logging you in.";
var loginResult = await App.RestService.Login(user);
UserDatabase uDB = new UserDatabase(); loginResult.Username = user.Username;
loginResult.Password = user.Password;
loginResult.Nickname = user.Nicename;
loginResult.Email = user.Email;
uDB.AddUser(loginResult);
var AppUserData = uDB.GetAllUsers();
Console.WriteLine(AppUserData);
await Task.Delay(1000);
Navigation.InsertPageBefore(new Index(), this);
await Navigation.PopAsync();
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Email is not in correct format. Please revise and try agian.";
}
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Full name must only contain letters. Please revise and try again.";
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Full name must be at least 6 characters long. Please revise and try again.";
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Username must only contain letters. Please revise and try again.";
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Username must be at least 6 characters long. Please revise and try again.";
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Password and Confirm password do not match. Please revise and try again.";
}
}
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "Not all fields were filled. Please revise and try again.";
}
}
// If user does not have an internetconnection, return this error
else
{
RegisterMessage.TextColor = Color.Red;
RegisterMessage.Text = "You're not connected to the internet!";
}
indicator.IsVisible = false;
}
