/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
internal static Exception GetBetterException(Exception e, AccessConnectionHolder holder)
{
try
{
if (!(e is SqlException) || holder.Connection == null ||
holder.Connection.DataSource == null || holder.Connection.DataSource.Length < 1)
{
return(e);
}
if (!File.Exists(holder.Connection.DataSource))
{
return(new FileNotFoundException(String.Empty, holder.Connection.DataSource, e));
}
}
finally
{
if (holder.Connection != null)
{
holder.Connection.Close();
}
}
FileStream s = null;
Exception eWrite = null;
try
{
s = File.OpenWrite(holder.Connection.DataSource);
}
catch (Exception except)
{
eWrite = except;
}
finally
{
if (s != null)
{
s.Close();
}
}
if (eWrite != null && (eWrite is UnauthorizedAccessException))
{
HttpContext context = HttpContext.Current;
if (context != null)
{
context.Response.Clear();
context.Response.StatusCode = 500;
context.Response.Write("Cannot write to DB File");
context.Response.End();
}
return(new Exception("AccessFile is not writtable", eWrite));
}
return(e);
}
public override bool ValidateUser(string username, string password)
{
if (!SecUtility.ValidateParameter(ref username,
true,
true,
false,
255))
{
return(false);
}
if (!SecUtility.ValidateParameter(ref password,
true,
true,
false,
128))
{
return(false);
}
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_databaseFileName, true);
SqlConnection connection = holder.Connection;
try
{
try
{
int appId = GetAppplicationId(holder);
int userId = MyConnectionHelper.GetUserID(connection, appId, username, false);
if (CheckPassword(connection, userId, password))
{
return(true);
}
else
{
return(false);
}
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
public override string[] GetAllRoles()
{
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
SqlDataReader reader = null;
try
{
try
{
int appId = GetApplicationId(holder);
SqlCommand command;
StringCollection sc = new StringCollection();
String[] strReturn = null;
command = new SqlCommand(@"SELECT RoleName FROM Roles ORDER BY RoleName", connection);
reader = command.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
{
sc.Add(reader.GetString(0));
}
strReturn = new String[sc.Count];
sc.CopyTo(strReturn, 0);
return(strReturn);
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch
{
throw;
}
}
private int GetApplicationId(AccessConnectionHolder holder)
{
if (_ApplicationId != 0 && holder.CreateDate < _ApplicationIDCacheDate) // Already cached?
{
return(_ApplicationId);
}
string appName = _AppName;
if (appName.Length > 255)
{
appName = appName.Substring(0, 255);
}
_ApplicationId = 10011;
_ApplicationIDCacheDate = DateTime.Now;
if (_ApplicationId != 0)
{
return(_ApplicationId);
}
throw new ProviderException("sorry exception in GetApplicationId");
}
public override bool RoleExists(string roleName)
{
try
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
}
catch
{
return(false);
}
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
try
{
try
{
int appId = GetApplicationId(holder);
int roleId = GetRoleId(connection, appId, roleName);
return(roleId != 0);
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
public override void CreateRole(string roleName)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
try
{
try
{
int appId = GetApplicationId(holder);
SqlCommand command;
command = new SqlCommand(@"INSERT INTO Roles (RoleName) VALUES (@RName)", connection);
command.Parameters.Add(new SqlParameter("@RName", roleName));
int returnValue = command.ExecuteNonQuery();
if (returnValue == 1)
{
return;
}
throw new ProviderException("Unknown provider failure");
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
public override void AddUsersToRoles(string[] usernames, string[] roleNames)
{
SecUtility.CheckArrayParameter(ref roleNames, true, true, true, 255, "roleNames");
SecUtility.CheckArrayParameter(ref usernames, true, true, true, 255, "usernames");
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try
{
try
{
int appId = GetApplicationId(holder);
int[] userIds = new int[usernames.Length];
int[] roleIds = new int[roleNames.Length];
SqlCommand command;
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
roleIds[iterR] = GetRoleId(connection, appId, roleNames[iterR]);
if (roleIds[iterR] == 0)
{
throw new ProviderException("Provider role not found: " + roleNames[iterR]);
}
}
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
userIds[iterU] = MyConnectionHelper.GetUserID(connection, appId, usernames[iterU], false);
}
command = new SqlCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
if (userIds[iterU] == 0)
{
continue;
}
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
command = new SqlCommand(@"SELECT UserId FROM UsersInRoles WHERE UserId = @UserId AND RoleId = @RoleId",
connection);
command.Parameters.Add(new SqlParameter("@UserId", userIds[iterU]));
command.Parameters.Add(new SqlParameter("@RoleId", roleIds[iterR]));
object result = command.ExecuteScalar();
if (result != null && (result is int) && ((int)result) == userIds[iterU])
{ // Exists!
throw new ProviderException("The user " + usernames[iterU] + " is already in role " + roleNames[iterR]);
}
}
}
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
if (userIds[iterU] == 0)
{
userIds[iterU] = MyConnectionHelper.GetUserID(connection, appId, usernames[iterU], true);
}
if (userIds[iterU] == 0)
{
throw new ProviderException("User not found: " + usernames[iterU]);
}
}
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
command = new SqlCommand(@"INSERT INTO UsersInRoles (UserId, RoleId) VALUES(@UserId, @RoleId)",
connection);
command.Parameters.Add(new SqlParameter("@UserId", userIds[iterU]));
command.Parameters.Add(new SqlParameter("@RoleId", roleIds[iterR]));
if (command.ExecuteNonQuery() != 1)
{
throw new ProviderException("Unknown provider failure");
}
}
}
command = new SqlCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
}
catch (Exception e)
{
try
{
if (fBeginTransCalled)
{
SqlCommand command = new SqlCommand("ROLLBACK TRANSACTION", connection);
command.ExecuteNonQuery();
}
}
catch { }
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
public override string[] GetRolesForUser(string username)
{
SecUtility.CheckParameter(ref username, true, false, true, 255, "username");
if (username.Length < 1)
{
return(new string[0]);
}
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
SqlDataReader reader = null;
try
{
try
{
int appId = GetApplicationId(holder);
int userId = MyConnectionHelper.GetUserID(connection, appId, username, false);
if (userId == 0)
{
return(new string[0]);
}
SqlCommand command;
StringCollection sc = new StringCollection();
String[] strReturn;
command = new SqlCommand(@"SELECT RoleName FROM UsersInRoles ur, Roles r " +
@"WHERE ur.UserId = @UserId AND ur.RoleId = r.RoleId " +
@"ORDER BY RoleName",
connection);
command.Parameters.Add(new SqlParameter("@UserId", userId));
reader = command.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
{
sc.Add(reader.GetString(0));
}
strReturn = new String[sc.Count];
sc.CopyTo(strReturn, 0);
return(strReturn);
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch
{
throw;
}
}
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_DatabaseFileName, true);
SqlConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try
{
try
{
int appId = GetApplicationId(holder);
SqlCommand command;
int roleId = GetRoleId(connection, appId, roleName);
if (roleId == 0)
{
return(false);
}
if (throwOnPopulatedRole)
{
command = new SqlCommand(@"SELECT COUNT(*) " +
@"FROM UsersInRoles ur, Users u " +
@"WHERE ur.RoleId = @RoleId AND ur.UserId = u.UserId",
connection);
command.Parameters.Add(new SqlParameter("@RoleId", roleId));
object num = command.ExecuteScalar();
if (!(num is int) || ((int)num) != 0)
{
throw new ProviderException("Role is not empty");
}
}
command = new SqlCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
command = new SqlCommand(@"DELETE FROM Roles WHERE RoleId = @RoleId", connection);
command.Parameters.Add(new SqlParameter("@RoleId", roleId));
int returnValue = command.ExecuteNonQuery();
command = new SqlCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = false;
return(returnValue == 1);
}
catch (Exception e)
{
if (fBeginTransCalled)
{
try
{
SqlCommand command = new SqlCommand("ROLLBACK TRANSACTION", connection);
command.ExecuteNonQuery();
}
catch { }
}
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
private int GetAppplicationId(AccessConnectionHolder holder)
{
if (_applicationId != 0 && holder.CreateDate < _applicationIdCacheDate) // Already cached?
return _applicationId;
string appName = _appName;
if (appName.Length > 255)
appName = appName.Substring(0, 255);
_applicationId = 10011;
_applicationIdCacheDate = DateTime.Now;
if (_applicationId != 0)
return _applicationId;
throw new ProviderException("sorry exception in GetApplicationId");
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
internal static Exception GetBetterException(Exception e, AccessConnectionHolder holder)
{
try
{
if (!(e is SqlException) || holder.Connection == null ||
holder.Connection.DataSource == null || holder.Connection.DataSource.Length < 1)
{
return e;
}
if (!File.Exists(holder.Connection.DataSource))
{
return new FileNotFoundException(String.Empty, holder.Connection.DataSource, e);
}
}
finally
{
if (holder.Connection != null)
holder.Connection.Close();
}
FileStream s = null;
Exception eWrite = null;
try
{
s = File.OpenWrite(holder.Connection.DataSource);
}
catch (Exception except)
{
eWrite = except;
}
finally
{
if (s != null)
s.Close();
}
if (eWrite != null && (eWrite is UnauthorizedAccessException))
{
HttpContext context = HttpContext.Current;
if (context != null)
{
context.Response.Clear();
context.Response.StatusCode = 500;
context.Response.Write("Cannot write to DB File");
context.Response.End();
}
return new Exception("AccessFile is not writtable", eWrite);
}
return e;
}
public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
{
if (pageIndex < 0)
{
throw new ArgumentException("PageIndex cannot be negative");
}
if (pageSize < 1)
{
throw new ArgumentException("PageSize must be positive");
}
long lBound = (long)pageIndex * pageSize;
long uBound = lBound + pageSize - 1;
if (uBound > System.Int32.MaxValue)
{
throw new ArgumentException("PageIndex too big");
}
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_databaseFileName, true);
SqlConnection connection = holder.Connection;
SqlDataReader reader = null;
long recordCount = 0;
try
{
try
{
int appId = GetAppplicationId(holder);
SqlCommand command;
MembershipUserCollection users = new MembershipUserCollection();
command = new SqlCommand(@"SELECT UserName,UserID from Users ORDER BY UserName", connection);
//command.Parameters.Add(new SqlParameter("@AppId", appId));
reader = command.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
{
recordCount++;
if (recordCount - 1 < lBound || recordCount - 1 > uBound)
{
continue;
}
string username, email, passwordQuestion, comment;
DateTime dtCreate, dtLastLogin, dtLastActivity, dtLastPassChange;
bool isApproved;
int userId;
username = GetNullableString(reader, 0);
email = ""; //GetNullableString(reader, 1);
passwordQuestion = ""; //GetNullableString(reader, 2);
comment = ""; //GetNullableString(reader, 3);
dtCreate = DateTime.Now; //reader.GetDateTime(4);
dtLastLogin = DateTime.Now; //reader.GetDateTime(5);
dtLastActivity = DateTime.Now; //reader.GetDateTime(6);
dtLastPassChange = DateTime.Now; //reader.GetDateTime(7);
isApproved = true; //reader.GetBoolean(8);
userId = reader.GetInt32(1);
users.Add(new MembershipUser("LMSMembershipProvider",
username,
userId,
email,
passwordQuestion,
comment,
isApproved,
false,
dtCreate,
dtLastLogin,
dtLastActivity,
dtLastPassChange,
DateTime.MinValue));
}
totalRecords = (int)recordCount;
return(users);
}
catch (Exception e)
{
throw new Exception("Exception in creating users Collection", e);
}
finally
{
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch (Exception e)
{
throw new Exception("Exception on line 490: ", e);
}
}
public override bool DeleteUser(string username, bool deleteAllRelatedData)
{
SecUtility.CheckParameter(ref username, true, true, true, 255, "username");
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_databaseFileName, true);
SqlConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try
{
try
{
int appId = GetAppplicationId(holder);
int userId = MyConnectionHelper.GetUserID(connection, appId, username, false);
if (userId == 0)
{
return(false); // User not found
}
SqlCommand command;
//
// Start transaction
//
command = new SqlCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
bool returnValue = false;
if (deleteAllRelatedData)
{
command = new SqlCommand(@"DELETE FROM UsersInRoles WHERE UserId = @UserId", connection);
command.Parameters.Add(new SqlParameter("@UserId", userId));
command.ExecuteNonQuery();
command = new SqlCommand(@"DELETE FROM Users WHERE UserId = @UserId", connection);
command.Parameters.Add(new SqlParameter("@UserId", userId));
returnValue = (command.ExecuteNonQuery() == 1);
}
//
// End transaction
//
command = new SqlCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = false;
return(returnValue);
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
if (fBeginTransCalled)
{
try
{
SqlCommand cmd = new SqlCommand("ROLLBACK TRANSACTION",
connection);
cmd.ExecuteNonQuery();
}
catch { }
}
holder.Close();
}
}
catch
{
throw;
}
}
public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
{
if (!SecUtility.ValidateParameter(ref password,
true,
true,
false,
0))
{
status = MembershipCreateStatus.InvalidPassword;
return(null);
}
string salt = GenerateSalt();
string pass = EncodePassword(password, (int)_passwordFormat, salt);
if (pass.Length > 128)
{
status = MembershipCreateStatus.InvalidPassword;
return(null);
}
if (!SecUtility.ValidateParameter(ref username,
true,
true,
true,
255))
{
status = MembershipCreateStatus.InvalidUserName;
return(null);
}
AccessConnectionHolder holder = MyConnectionHelper.GetConnection(_databaseFileName, true);
SqlConnection connection = holder.Connection;
try
{
try
{
//
// Start transaction
//
SqlCommand command = new SqlCommand();
int appId = GetAppplicationId(holder);
object result;
int uid;
////////////////////////////////////////////////////////////
// Step 1: Check if the user exists in the Users table: create if not
uid = MyConnectionHelper.GetUserID(connection, appId, username, false);
if (uid != 0)
{ // User not created successfully!
status = MembershipCreateStatus.DuplicateUserName;
return(null);
}
////////////////////////////////////////////////////////////
// Step 4: Create user in Membership table
DateTime dt = MyConnectionHelper.RoundToSeconds(DateTime.Now);
command = new SqlCommand(@"INSERT INTO users " +
"(UserName,PasswordHash, Salt) " +
"VALUES (@UserName,@PasswordHash, @salt)",
connection);
int pFormat = (int)_passwordFormat;
command.Parameters.Add(new SqlParameter("@UserName", username));
command.Parameters.Add(new SqlParameter("@PasswordHash", pass));
command.Parameters.Add(new SqlParameter("@salt", salt));
//
// Error inserting row
//
if (command.ExecuteNonQuery() != 1)
{
status = MembershipCreateStatus.ProviderError;
return(null);
}
status = MembershipCreateStatus.Success;
return(new MembershipUser(this.Name,
username,
uid,
email,
passwordQuestion,
null,
isApproved,
false,
dt,
dt,
dt,
dt,
DateTime.MinValue));
}
catch (Exception e)
{
throw MyConnectionHelper.GetBetterException(e, holder);
}
finally
{
holder.Close();
}
}
catch
{
throw;
}
}
