/// <summary>
/// Initializes a new instance of the <see cref="UserData"/> class by copying an existing instance.
/// </summary>
/// <param name="userData">The existing instance of the <see cref="UserData"/> class.</param>
public UserData(UserData userData)
{
Clone(userData);
}
/// <summary>
/// Copies a new instance of the <see cref="UserData"/> class by copying an existing instance.
/// </summary>
/// <param name="userData">The existing instance of the <see cref="UserData"/> class.</param>
public void Clone(UserData userData)
{
LoginID = userData.LoginID;
Username = userData.Username;
Password = userData.Password;
FirstName = userData.FirstName;
LastName = userData.LastName;
CompanyName = userData.CompanyName;
PhoneNumber = userData.PhoneNumber;
EmailAddress = userData.EmailAddress;
SecurityQuestion = userData.SecurityQuestion;
SecurityAnswer = userData.SecurityAnswer;
PasswordChangeDateTime = userData.PasswordChangeDateTime;
AccountCreatedDateTime = userData.AccountCreatedDateTime;
IsDefined = userData.IsDefined;
IsExternal = userData.IsExternal;
IsDisabled = userData.IsDisabled;
IsLockedOut = userData.IsLockedOut;
IsAuthenticated = userData.IsAuthenticated;
Groups = new List<string>(userData.Groups);
Roles = new List<string>(userData.Roles);
}
private Dictionary<string, UserData> DeserializeCache(byte[] data)
{
Dictionary<string, UserData> cache = new Dictionary<string, UserData>(StringComparer.OrdinalIgnoreCase);
using (MemoryStream stream = new MemoryStream(data))
using (BinaryReader reader = new BinaryReader(stream, Encoding.Default))
{
if (reader.ReadBytes(CacheHeaderBytes.Length).CompareTo(CacheHeaderBytes) != 0)
throw new InvalidDataException("Unexpected data read from UserDataCache - file possibly corrupted.");
int listLength, cacheLength = reader.ReadInt32();
for (int i = 0; i < cacheLength; i++)
{
UserData userData = new UserData();
string loginID;
loginID = reader.ReadString();
userData.Username = reader.ReadString();
userData.FirstName = reader.ReadString();
userData.LastName = reader.ReadString();
userData.CompanyName = reader.ReadString();
userData.PhoneNumber = reader.ReadString();
userData.EmailAddress = reader.ReadString();
userData.IsLockedOut = reader.ReadBoolean();
userData.IsDisabled = reader.ReadBoolean();
userData.PasswordChangeDateTime = new DateTime(reader.ReadInt64());
userData.AccountCreatedDateTime = new DateTime(reader.ReadInt64());
userData.Roles = new List<string>();
listLength = reader.ReadInt32();
for (int j = 0; j < listLength; j++)
userData.Roles.Add(reader.ReadString());
userData.Groups = new List<string>();
listLength = reader.ReadInt32();
for (int j = 0; j < listLength; j++)
userData.Groups.Add(reader.ReadString());
cache.Add(loginID, userData);
}
}
return cache;
}
/// <summary>
/// Serializes the <paramref name="userData"/> for the given <paramref name="loginID"/> into the <see cref="UserDataCache"/>.
/// </summary>
/// <param name="loginID">Login ID of associated <see cref="UserData"/> to retrieve.</param>
/// <param name="userData">Reference to <see cref="UserData"/> object to serialize into <see cref="UserDataCache"/>.</param>
/// <remarks>
/// <para>
/// This will add an entry into the user data cache for <paramref name="loginID"/> if it doesn't exist;
/// otherwise existing entry will be updated.
/// </para>
/// <para>
/// Updates are automatically queued up for serialization so user does not need to call <see cref="Save"/>.
/// </para>
/// </remarks>
public void SaveUserData(string loginID, UserData userData)
{
string hash = HashLoginID(loginID);
// We wait until the cache is loaded before attempting to access it
WaitForDataReady();
// Wait for thread level lock on user data table
lock (m_userDataTableLock)
{
// Assign new user information to user data table
m_userDataTable[hash] = userData;
}
// Queue up a serialization for this new user information
Save();
}
/// <summary>
/// Attempts to retrieve <see cref="UserData"/> for given <paramref name="loginID"/>.
/// </summary>
/// <param name="loginID">Login ID of associated <see cref="UserData"/> to retrieve.</param>
/// <param name="userData">Reference to <see cref="UserData"/> object to populate if found.</param>
/// <returns><c>true</c> if <see cref="UserData"/> for given <paramref name="loginID"/> was retrieved; otherwise <c>false</c>.</returns>
public bool TryGetUserData(string loginID, out UserData userData)
{
string hash = HashLoginID(loginID);
bool result;
// We wait until the cache is loaded before attempting to access it
WaitForDataReady();
// Wait for thread level lock on user data table
lock (m_userDataTableLock)
{
// Attempt to lookup persisted user data based on hash of login ID
result = m_userDataTable.TryGetValue(hash, out userData);
}
return result;
}
/// <summary>
/// Initializes a new instance of the security provider.
/// </summary>
/// <param name="username">Name that uniquely identifies the user.</param>
/// <param name="canRefreshData">true if the security provider can refresh <see cref="UserData"/> from the backend data store, otherwise false.</param>
/// <param name="canUpdateData">true if the security provider can update <see cref="UserData"/> in the backend data store, otherwise false.</param>
/// <param name="canResetPassword">true if the security provider can reset user password, otherwise false.</param>
/// <param name="canChangePassword">true if the security provider can change user password, otherwise false.</param>
protected SecurityProviderBase(string username, bool canRefreshData, bool canUpdateData, bool canResetPassword, bool canChangePassword)
{
// Initialize member variables.
m_userData = new UserData(username);
m_canRefreshData = canRefreshData;
m_canUpdateData = canUpdateData;
m_canResetPassword = canResetPassword;
m_canChangePassword = canChangePassword;
m_applicationName = DefaultApplicationName;
m_connectionString = DefaultConnectionString;
m_persistSettings = DefaultPersistSettings;
m_settingsCategory = DefaultSettingsCategory;
m_logEvent = EventLog.WriteEntry;
}