/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
public override int DeleteProfiles(string[] usernames)
{
SecUtility.CheckArrayParameter(ref usernames,
true,
true,
true,
255,
"usernames");
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
int numDeleted = 0;
bool fBeginTransCalled = false;
try {
OleDbCommand cmd = new OleDbCommand("BEGIN TRANSACTION", holder.Connection);
cmd.ExecuteNonQuery();
fBeginTransCalled = true;
int appId = GetApplicationId(holder);
foreach (string username in usernames)
{
if (DeleteProfile(holder, username, appId))
{
numDeleted++;
}
}
cmd = new OleDbCommand("COMMIT TRANSACTION", holder.Connection);
cmd.ExecuteNonQuery();
fBeginTransCalled = false;
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (fBeginTransCalled)
{
try {
OleDbCommand command = new OleDbCommand("ROLLBACK TRANSACTION", holder.Connection);
command.ExecuteNonQuery();
}
catch { }
}
holder.Close();
}
return(numDeleted);
}
catch {
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override void RemoveUsersFromRoles(string[] usernames, string[] roleNames)
{
SecUtility.CheckArrayParameter(ref roleNames, true, true, true, 255, "roleNames");
SecUtility.CheckArrayParameter(ref usernames, true, true, true, 255, "usernames");
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try {
try {
int appId = GetApplicationId(holder);
int[] userIds = new int[usernames.Length];
int[] roleIds = new int[roleNames.Length];
OleDbCommand command;
command = new OleDbCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
userIds[iterU] = AccessConnectionHelper.GetUserID(connection, appId, usernames[iterU], false);
if (userIds[iterU] == 0)
{
throw new ProviderException("User not found: " + usernames[iterU]);
}
}
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
roleIds[iterR] = GetRoleId(connection, appId, roleNames[iterR]);
if (roleIds[iterR] == 0)
{
throw new ProviderException("Role not found: " + roleNames[iterR]);
}
}
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
command = new OleDbCommand(@"SELECT UserId FROM aspnet_UsersInRoles WHERE UserId = @UserId AND RoleId = @RoleId",
connection);
command.Parameters.Add(new OleDbParameter("@UserId", userIds[iterU]));
command.Parameters.Add(new OleDbParameter("@RoleId", roleIds[iterR]));
object result = command.ExecuteScalar();
if (result == null || !(result is int) || ((int)result) != userIds[iterU]) // doesn't exist!
{
throw new ProviderException("The user " + usernames[iterU] + " is already not in role " + roleNames[iterR]);
}
}
}
for (int iterU = 0; iterU < usernames.Length; iterU++)
{
for (int iterR = 0; iterR < roleNames.Length; iterR++)
{
command = new OleDbCommand(@"DELETE FROM aspnet_UsersInRoles WHERE UserId = @UserId AND RoleId = @RoleId",
connection);
command.Parameters.Add(new OleDbParameter("@UserId", userIds[iterU]));
command.Parameters.Add(new OleDbParameter("@RoleId", roleIds[iterR]));
if (command.ExecuteNonQuery() != 1)
{
throw new ProviderException("Unknown failure");
}
}
}
command = new OleDbCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
}
catch (Exception e) {
try {
if (fBeginTransCalled)
{
OleDbCommand command = new OleDbCommand("ROLLBACK TRANSACTION", connection);
command.ExecuteNonQuery();
}
}
catch { }
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
