// ReSharper restore InconsistentNaming, UnusedMember.Global
#region Private methods
/// <summary>
/// Updates an AccessTokenData object with data fetched from FB API.
/// Updates ActiveSession with updated AccessTokenData object.
/// Uses CurrentAccessTokenData if parameter is null
/// </summary>
/// <param name="tempToken">AccessTokenData object to update</param>
/// <returns>LoginStatus object</returns>
private static Task <LoginStatus> UpdateAndGetLoginStatus(AccessTokenData tempToken = null)
{
var tcs = new TaskCompletionSource <LoginStatus>();
Deployment.Current.Dispatcher.BeginInvoke(async() =>
{
if (tempToken != null)
{
CurrentTokenData = tempToken;
}
if (string.IsNullOrEmpty(CurrentTokenData.AccessToken))
{
tcs.SetResult(new LoginStatus {
Status = "unknown"
});
return;
}
await Session.CheckAndExtendTokenIfNeeded();
if (CurrentTokenData.CurrentPermissions.Count == 0 || string.IsNullOrEmpty(CurrentTokenData.FacebookId))
{
// Create a copy of existing access token data to update it with new values
var newTokenData = CurrentTokenData.Clone();
try
{
var result =
(JsonObject)
await
FbClient.GetTaskAsync("debug_token",
new { input_token = CurrentTokenData.AccessToken });
var data = (JsonObject)result.ToDictionary(pair => pair.Key, pair => pair.Value)["data"];
var userId = (string)data.ToDictionary(pair => pair.Key, pair => pair.Value)["user_id"];
newTokenData.FacebookId = userId;
var actualPermissions = (JsonArray)data.ToDictionary(pair => pair.Key, pair => pair.Value)["scopes"];
foreach (var actualPermission in actualPermissions)
{
newTokenData.CurrentPermissions.Add((string)actualPermission);
}
Session.ActiveSession.CurrentAccessTokenData = newTokenData;
}
catch
{
// No need to fail here, just return a loginStatus object without userID
}
}
var loginStatus = new LoginStatus
{
Status = "connected",
AuthResponse = new AuthResponse
{
AccessToken = CurrentTokenData.AccessToken,
ExpiresIn = CurrentTokenData.Expires,
UserId = CurrentTokenData.FacebookId
}
};
tcs.SetResult(loginStatus);
});
return(tcs.Task);
}
// ReSharper restore InconsistentNaming, UnusedMember.Global
#region Private methods
/// <summary>
/// Updates an AccessTokenData object with data fetched from FB API.
/// Updates ActiveSession with updated AccessTokenData object.
/// Uses CurrentAccessTokenData if parameter is null
/// </summary>
/// <param name="tempToken">AccessTokenData object to update</param>
/// <returns>LoginStatus object</returns>
private static Task<LoginStatus> UpdateAndGetLoginStatus(AccessTokenData tempToken = null)
{
var tcs = new TaskCompletionSource<LoginStatus>();
Deployment.Current.Dispatcher.BeginInvoke(async () =>
{
if (tempToken != null) CurrentTokenData = tempToken;
if (string.IsNullOrEmpty(CurrentTokenData.AccessToken))
{
tcs.SetResult(new LoginStatus { Status = "unknown" });
return;
}
await Session.CheckAndExtendTokenIfNeeded();
if (CurrentTokenData.CurrentPermissions.Count == 0 || string.IsNullOrEmpty(CurrentTokenData.FacebookId))
{
// Create a copy of existing access token data to update it with new values
var newTokenData = CurrentTokenData.Clone();
try
{
var result =
(JsonObject)
await
FbClient.GetTaskAsync("debug_token",
new { input_token = CurrentTokenData.AccessToken });
var data = (JsonObject)result.ToDictionary(pair => pair.Key, pair => pair.Value)["data"];
var userId = (string)data.ToDictionary(pair => pair.Key, pair => pair.Value)["user_id"];
newTokenData.FacebookId = userId;
var actualPermissions = (JsonArray)data.ToDictionary(pair => pair.Key, pair => pair.Value)["scopes"];
foreach (var actualPermission in actualPermissions)
{
newTokenData.CurrentPermissions.Add((string)actualPermission);
}
Session.ActiveSession.CurrentAccessTokenData = newTokenData;
}
catch
{
// No need to fail here, just return a loginStatus object without userID
}
}
var loginStatus = new LoginStatus
{
Status = "connected",
AuthResponse = new AuthResponse
{
AccessToken = CurrentTokenData.AccessToken,
ExpiresIn = CurrentTokenData.Expires,
UserId = CurrentTokenData.FacebookId
}
};
tcs.SetResult(loginStatus);
});
return tcs.Task;
}
