public async void attemptRegister(String email, String password, String firstname, String lastname)
{
ServerQuery q = new ServerQuery ();
ServerResponse rep = null;
emailField.IsEnabled = false;
passwordField.IsEnabled = false;
firstnameField.IsEnabled = false;
lastnameField.IsEnabled = false;
submitButton.IsEnabled = false;
try {
Dictionary<String, String> postParams = new Dictionary<String, String>();
postParams.Add("password", password);
postParams.Add("email", email);
postParams.Add("firstname", firstname);
postParams.Add("lastname", lastname);
rep = await q.Post (ServerQuery.SERVER_URL + "/auth/subscribe", null, postParams, AuthType.APP);
} catch(WebException e) {
Console.WriteLine (e.ToString());
await DisplayAlert ("Erreur", "Impossible de joindre le serveur, veuillez vérifier votre connexion.", "OK");
}
if (rep != null) {
Console.WriteLine ("Reponse : " + rep.content.ToString());
if (rep.content.ContainsKey("code")) {
int code = rep.content["code"];
if (code == 0) {
await DisplayAlert ("Bienvenue", "Vous êtes maitenant inscrit", "OK");
await this.Navigation.PopAsync ();
} else {
emailField.IsEnabled = true;
passwordField.IsEnabled = true;
firstnameField.IsEnabled = true;
lastnameField.IsEnabled = true;
submitButton.IsEnabled = true;
if(rep.content.ContainsKey("message"))
await DisplayAlert ("Erreur", "Erreur durant l'inscription : " + rep.content["message"], "OK");
else
await DisplayAlert ("Erreur", "Une erreur est survenue", "OK");
}
}
}
}
/// <summary>
/// Authenticate a User with the specified username and password.
/// Returns TRUE if successful or FALSE otherwise.
/// </summary>
/// <param name="username">Username.</param>
/// <param name="password">Password.</param>
public async Task<Boolean> Authenticate(string username, string password)
{
Dictionary<String, String> body = new Dictionary<String, String> ();
ServerQuery server = new ServerQuery ();
body.Add ("client_id", AppAuth.CLIENT_ID);
body.Add ("client_secret", AppAuth.CLIENT_SECRET);
body.Add ("grant_type", "password");
body.Add ("username", username);
body.Add ("password", password);
ServerResponse response = await server.Post (ServerQuery.SERVER_URL + "/oauth/token", null, body, AuthType.NONE);
if (response != null && response.isOk()) {
if (response.content.ContainsKey ("access_token") && response.content.ContainsKey ("refresh_token")) {
AccessToken = (String) response.content ["access_token"];
RefreshToken = (String) response.content ["refresh_token"];
return true;
}
}
return false;
}
/// <summary>
/// Attempt to refresh the Application's access token
/// If the refresh token is reject then a request for a fresh token will be sent
/// </summary>
public async Task<ServerResponse> Refresh()
{
Dictionary<String, String> body = new Dictionary<String, String> ();
ServerQuery server = new ServerQuery ();
body.Add ("client_id", CLIENT_ID);
body.Add ("client_secret", CLIENT_SECRET);
if (RefreshToken != null) {
body.Add ("grant_type", "refresh_token");
body.Add ("refresh_token", RefreshToken);
} else {
body.Add ("grant_type", "client_credentials");
}
ServerResponse response = await server.Post (ServerQuery.SERVER_URL + "/oauth/token", null, body, AuthType.NONE);
if (response != null && response.isBad()) { // refresh token rejected
AccessToken = null;
RefreshToken = null;
return await Refresh ();
}
AccessToken = (String) response.content ["access_token"];
RefreshToken = (String) response.content ["refresh_token"];
return response;
}