private void Login()
{
PerformTask(async() =>
{
var credentials = Credentials.UsernamePassword(Username, Password, false);
await User.LoginAsync(credentials, Constants.Server.AuthServerUri);
//var user = await User.LoginAsync(credentials, Constants.Server.AuthServerUri);
try
{
var permissionChange = new PermissionChange("*",
"*",
mayRead: true,
mayWrite: true,
mayManage: true);
User.Current.GetManagementRealm().Write(() =>
{
User.Current.GetManagementRealm().Add(permissionChange);
});
Settings.Local.SetValue("EMAIL", Username);
}
catch (Exception ex)
{
DialogService.Alert("Error", ex.ToString());
}
App.Current.MainPage = new NavigationPage(new HomePage());
}, onError: ex =>
{
// TODO: show alert.
DialogService.Alert("Unable to login", ex.Message);
HandleException(ex);
}, progressMessage: "Logging in...");
}
private async Task GrantAccess(string url)
{
var mr = _user.GetManagementRealm();
var change = new PermissionChange("*", url, mayRead: true, mayWrite: true, mayManage: false);
var tcs = new TaskCompletionSource <object>();
change.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(PermissionChange.Status))
{
tcs.TrySetResult(null);
}
};
mr.Write(() => mr.Add(change));
await tcs.Task;
if (change.Status == ManagementObjectStatus.Error)
{
throw new Exception(change.StatusMessage);
}
}
private static Task GrantPermissions(User alice, User bob, string realmUrl)
{
var managementRealm = alice.GetManagementRealm();
var change = new PermissionChange(bob.Identity, realmUrl, mayRead: true);
managementRealm.Write(() =>
{
managementRealm.Add(change);
});
var tcs = new TaskCompletionSource <object>();
change.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(PermissionChange.Status))
{
tcs.TrySetResult(null);
}
};
return(tcs.Task.Timeout(1000));
}
