async void RootLogin(object sender, EventArgs e) //LOGIN button
{
/* Method: RootLogin
* Programmer: Harry Martin
* Description: This method accepts the user input
* And attempt to verify the entered password
* against the hashed stored one
*/
//Get the values from the user prompts
String w_username = UserN.Text;
String w_password = PassW.Text;
//Write these to a local user profile object
UserProfile local_UP = new UserProfile();
local_UP.username = w_username;
local_UP.password = CryptoHandler.Hash(w_password);
String userJson = WebMethod.GetResult("load", "users/" + local_UP.username, "");
UserProfile v_test = JsonParser.ParseToUser(userJson);
//DEBUG: await DisplayAlert("Alert", "Comparing: \n" + local_UP.password + "\n and: \n" + v_test.password, "OK");
switch (ActiveProfile.LoadProfile(local_UP)) //switch depending on results of profile loading methodlogy
{
case (0):
await DisplayAlert("Alert", "Account not found.", "OK");
break;
case (1):
await Navigation.PushAsync(new MenuPage { Title = "Main Menu" });
break;
case (2):
await DisplayAlert("Alert", "Login Failed.\nWrong password.", "OK");
break;
}
}
async void RootCreate(object sender, EventArgs e) //CREATE account button
{
/* Method: RootCreate
* Programmer: Harry Martin
* Description: This method accepts the user input
* Creates a new user object and writes it to the online database
* This will overwrite any existing user on the server with the same name
* The password will be hashed (SHA254)
*/
//Clear current loaded user (if any)
ActiveProfile.UnloadProfile();
//Get the values from the user prompts
String w_username = UserN.Text;
String w_password = PassW.Text;
//Write these to a local user profile object
UserProfile local_UP = ActiveProfile.Instance;
local_UP.username = w_username;
local_UP.password = CryptoHandler.Hash(w_password);
//Serialize and encode the object
String enc_json = WebMethod.Serialize(local_UP);
//DEBUG: await DisplayAlert("Alert", "About to attempt following POST: \n" + enc_json, "OK");
//Do the HTTP request and get the result
String createResult = WebMethod.GetResult("save", "users/" + w_username, enc_json, "POST");
if (createResult == "ok")
{
await DisplayAlert("Alert", "User succesfully created.", "OK");
}
else
{
await DisplayAlert("Alert", createResult, "OK");
}
}
async void Exit(object sender, EventArgs e) //Back to Root Navigation
{
ActiveProfile.UnloadProfile();
await Navigation.PopToRootAsync();
}