public UserAccountViewModel(UserAccount userAccount)
{
UserAccount = userAccount;
AccountName = userAccount.AccountName;
var dataSource = new GPlusDataSource(userAccount.GetGoogleCredential(), GoogleCloudExtensionPackage.VersionedApplicationName);
var personTask = dataSource.GetProfileAsync();
// TODO: Show the default image while it is being loaded.
ProfilePictureAsync = AsyncPropertyValueUtils.CreateAsyncProperty(personTask, x => x.Image.Url);
NameAsync = AsyncPropertyValueUtils.CreateAsyncProperty(personTask, x => x.DisplayName, Resources.CloudExplorerLoadingMessage);
}
private static string GetFileName(UserAccount userAccount)
{
var serialized = JsonConvert.SerializeObject(userAccount);
var sha1 = SHA1.Create();
var hash = sha1.ComputeHash(Encoding.UTF8.GetBytes(serialized));
StringBuilder sb = new StringBuilder();
foreach (byte b in hash)
{
sb.AppendFormat("{0:x2}", b);
}
sb.Append(".json");
return sb.ToString();
}
private static string SaveUserAccount(UserAccount userAccount)
{
var name = GetFileName(userAccount);
var savePath = Path.Combine(s_credentialsStoreRoot, name);
SaveUserAccount(userAccount, savePath);
return name;
}
private static void SaveUserAccount(UserAccount userAccount, string path)
{
try
{
var serialized = JsonConvert.SerializeObject(userAccount);
AtomicFileWrite(path, serialized);
}
catch (IOException ex)
{
Debug.WriteLine($"Failed to save user account to {path}: {ex.Message}");
throw new CredentialsStoreException(ex.Message, ex);
}
}
/// <summary>
/// Resets the credentials state to the account with the given <paramref name="accountName"/> and the
/// given <paramref name="projectId"/>. The <seealso cref="Reset"/> event will be raised to notify
/// listeners on this.
/// If <paramref name="accountName"/> cannot be found in the store then the credentials will be reset
/// to empty.
/// </summary>
/// <param name="accountName">The name of the account to make current.</param>
/// <param name="projectId">The projectId to make current.</param>
public void ResetCredentials(string accountName, string projectId)
{
var newCurrentAccount = GetAccount(accountName);
if (newCurrentAccount != null)
{
_currentAccount = newCurrentAccount;
_currentProjectId = projectId;
}
else
{
Debug.WriteLine($"Unknown account: {accountName}");
_currentAccount = null;
_currentProjectId = null;
}
Reset?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Stores a new set of user credentials in the credentials store.
/// </summary>
/// <param name="userAccount"></param>
/// <returns></returns>
public void AddAccount(UserAccount userAccount)
{
EnsureCredentialsRootExist();
var name = SaveUserAccount(userAccount);
_cachedCredentials[userAccount.AccountName] = new StoredUserAccount
{
FileName = name,
UserAccount = userAccount,
};
}
/// <summary>
/// Deletes the <paramref name="account"/> from the store. The account must exist in the store
/// or it will throw.
/// </summary>
/// <param name="account">The accound to delete.</param>
/// <returns>True if the current account was deleted, false otherwise.</returns>
public void DeleteAccount(UserAccount account)
{
var accountFilePath = GetUserAccountPath(account.AccountName);
if (accountFilePath == null)
{
Debug.WriteLine($"Should not be here, unknown account name: {account.AccountName}");
throw new InvalidOperationException($"Unknown account name: {account.AccountName}");
}
File.Delete(accountFilePath);
var isCurrentAccount = account.AccountName == CurrentAccount?.AccountName;
_cachedCredentials = LoadAccounts();
if (isCurrentAccount)
{
ResetCredentials(null, null);
}
}
private static async Task<UserAccount> GetUserAccountForRefreshToken(string refreshToken)
{
var result = new UserAccount
{
RefreshToken = refreshToken,
ClientId = s_extensionCredentials.ClientId,
ClientSecret = s_extensionCredentials.ClientSecret
};
var plusDataSource = new GPlusDataSource(result.GetGoogleCredential(), GoogleCloudExtensionPackage.VersionedApplicationName);
var person = await plusDataSource.GetProfileAsync();
result.AccountName = person.Emails.FirstOrDefault()?.Value;
return result;
}
/// <summary> /// Deletes the given <paramref name="userAccount"/> from the store. /// </summary> /// <param name="userAccount"></param> public static void DeleteAccount(UserAccount userAccount) => CredentialsStore.Default.DeleteAccount(userAccount);
/// <summary> /// Deletes the given <paramref name="userAccount"/> from the store. /// </summary> /// <param name="userAccount"></param> public static void DeleteAccount(UserAccount userAccount) => CredentialsStore.Default.DeleteAccount(userAccount);