//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool RoleExists(string roleName)
{
try {
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
}
catch {
return(false);
}
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
try {
try {
int appId = GetApplicationId(holder);
int roleId = GetRoleId(connection, appId, roleName);
return(roleId != 0);
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Mangement APIs from ProfileProvider class
public override int DeleteProfiles(ProfileInfoCollection profiles)
{
if (profiles == null)
{
throw new ArgumentNullException("profiles");
}
if (profiles.Count < 1)
{
throw new ArgumentException("Profiles collection is empty", "profiles");
}
foreach (ProfileInfo pi in profiles)
{
string username = pi.UserName;
SecUtility.CheckParameter(ref username, true, true, true, 255, "UserName");
}
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
bool fBeginTransCalled = false;
int numDeleted = 0;
try {
OleDbCommand cmd = new OleDbCommand("BEGIN TRANSACTION", holder.Connection);
cmd.ExecuteNonQuery();
fBeginTransCalled = true;
int appId = GetApplicationId(holder);
foreach (ProfileInfo profile in profiles)
{
if (DeleteProfile(holder, profile.UserName.Trim(), 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 string[] GetRolesForUser(string username)
{
SecUtility.CheckParameter(ref username, true, false, true, 255, "username");
if (username.Length < 1)
{
return(new string[0]);
}
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
OleDbDataReader reader = null;
try {
try {
int appId = GetApplicationId(holder);
int userId = AccessConnectionHelper.GetUserID(connection, appId, username, false);
if (userId == 0)
{
return(new string[0]);
}
OleDbCommand command;
StringCollection sc = new StringCollection();
String[] strReturn;
command = new OleDbCommand(@"SELECT RoleName FROM aspnet_UsersInRoles ur, aspnet_Roles r " +
@"WHERE ur.UserId = @UserId AND ur.RoleId = r.RoleId " +
@"ORDER BY RoleName",
connection);
command.Parameters.Add(new OleDbParameter("@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 AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch {
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override void CreateRole(string roleName)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try {
try {
int appId = GetApplicationId(holder);
OleDbCommand command;
int roleId = GetRoleId(connection, appId, roleName);
if (roleId != 0)
{
throw new ProviderException("Provider role already exists: " + roleName);
}
command = new OleDbCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
command = new OleDbCommand(@"INSERT INTO aspnet_Roles (ApplicationId, RoleName) VALUES (@AppId, @RName)", connection);
command.Parameters.Add(new OleDbParameter("@AppId", appId));
command.Parameters.Add(new OleDbParameter("@RName", roleName));
int returnValue = command.ExecuteNonQuery();
command = new OleDbCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = false;
if (returnValue == 1)
{
return;
}
throw new ProviderException("Unknown provider failure");
}
catch (Exception e) {
if (fBeginTransCalled)
{
try {
OleDbCommand command = new OleDbCommand("ROLLBACK TRANSACTION", connection);
command.ExecuteNonQuery();
}
catch { }
}
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
private void GetPropertyValuesFromDatabase(string username, SettingsPropertyValueCollection svc)
{
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
string[] names = null;
string values = null;
OleDbDataReader reader = null;
////////////////////////////////////////////////////////////
// Step 1: Get Values from DB
try {
int appId = GetApplicationId(holder);
int userId = AccessConnectionHelper.GetUserID(holder.Connection, appId, username, false);
if (userId != 0) // User exists?
{
OleDbCommand cmd = new OleDbCommand(@"SELECT PropertyNames, PropertyValuesString " +
@"FROM aspnet_Profile " +
@"WHERE UserId = @UserId",
holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
reader = cmd.ExecuteReader();
if (reader.Read())
{
names = reader.GetString(0).Split(':');
values = reader.GetString(1);
}
try { // Not a critical part -- don't throw exceptions here
cmd = new OleDbCommand(@"UPDATE aspnet_Users SET LastActivityDate=@LastActivityDate WHERE UserId = @UserId", holder.Connection);
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastActivityDate", DateTime.Now));
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
cmd.ExecuteNonQuery();
}
catch { }
}
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (reader != null)
{
reader.Close();
}
holder.Close();
}
if (names != null && names.Length > 0)
{
ParseDataFromDB(names, values, new byte[0], svc);
}
}
catch {
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string[] FindUsersInRole(string roleName, string usernameToMatch)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
SecUtility.CheckParameter(ref usernameToMatch, true, true, false, 255, "usernameToMatch");
StringCollection sc = new StringCollection();
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbDataReader reader = null;
OleDbConnection connection = holder.Connection;
try {
try {
int appId = GetApplicationId(holder);
int roleId = GetRoleId(connection, appId, roleName);
OleDbCommand command;
if (roleId == 0)
{
throw new ProviderException("Role not found " + roleName);
}
command = new OleDbCommand(@"SELECT UserName " +
@"FROM aspnet_UsersInRoles ur, aspnet_Users u " +
@"WHERE ur.RoleId = @RoleId AND ur.UserId = u.UserId AND u.UserName LIKE @UserNameToMatch " +
@"ORDER BY UserName", connection);
command.Parameters.Add(new OleDbParameter("@RoleId", roleId));
command.Parameters.Add(new OleDbParameter("@UserNameToMatch", usernameToMatch));
reader = command.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
{
sc.Add((string)reader.GetString(0));
}
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch {
throw;
}
string[] allUsers = new string[sc.Count];
sc.CopyTo(allUsers, 0);
return(allUsers);
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool IsUserInRole(string username, string roleName)
{
SecUtility.CheckParameter(ref username, true, false, true, 255, "username");
if (username.Length < 1)
{
return(false);
}
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
try {
try {
int appId = GetApplicationId(holder);
int userId = AccessConnectionHelper.GetUserID(connection, appId, username, false);
int roleId = GetRoleId(connection, appId, roleName);
OleDbCommand command;
if (userId == 0)
{
return(false);
}
if (roleId == 0)
{
return(false);
}
command = new OleDbCommand(@"SELECT UserId FROM aspnet_UsersInRoles WHERE UserId = @UserId AND RoleId = @RoleId", connection);
command.Parameters.Add(new OleDbParameter("@UserId", userId));
command.Parameters.Add(new OleDbParameter("@RoleId", roleId));
object result = command.ExecuteScalar();
if (result == null || !(result is int) || ((int)result) != userId)
{
return(false);
}
return(true);
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
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 string[] GetAllRoles()
{
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
OleDbDataReader reader = null;
try {
try {
int appId = GetApplicationId(holder);
OleDbCommand command;
StringCollection sc = new StringCollection();
String[] strReturn = null;
command = new OleDbCommand(@"SELECT RoleName FROM aspnet_Roles WHERE ApplicationId = @AppId ORDER BY RoleName", connection);
command.Parameters.Add(new OleDbParameter("@AppId", appId));
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 AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch {
throw;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
public override int GetNumberOfInactiveProfiles(ProfileAuthenticationOption authenticationOption, DateTime userInactiveSinceDate)
{
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
try {
string sqlQuery = @"SELECT COUNT(*) FROM aspnet_Users u, aspnet_Profile p " +
@"WHERE ApplicationId = @AppId AND LastActivityDate <= @LastActivityDate AND u.UserId = p.UserId" + GetClauseForAuthenticationOptions(authenticationOption);
OleDbCommand cmd = new OleDbCommand(sqlQuery, holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@AppId", GetApplicationId(holder)));
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastActivityDate", userInactiveSinceDate));
return((int)cmd.ExecuteScalar());
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
public override int DeleteInactiveProfiles(ProfileAuthenticationOption authenticationOption, DateTime userInactiveSinceDate)
{
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
try {
string inClause = @"SELECT UserId FROM aspnet_Users " +
@"WHERE ApplicationId = @AppId AND LastActivityDate <= @LastActivityDate " + GetClauseForAuthenticationOptions(authenticationOption);
string sqlQuery = @"DELETE FROM aspnet_Profile WHERE UserId IN (" + inClause + ")";
OleDbCommand cmd = new OleDbCommand(sqlQuery, holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@AppId", GetApplicationId(holder)));
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastActivityDate", userInactiveSinceDate));
return(cmd.ExecuteNonQuery());
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Private methods
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
private ProfileInfoCollection GetProfilesForQuery(string sqlQuery, OleDbParameter[] args, int pageIndex, int pageSize, out int totalRecords)
{
if (pageIndex < 0)
{
throw new ArgumentException("Page index must be non-negative", "pageIndex");
}
if (pageSize < 1)
{
throw new ArgumentException("Page size must be positive", "pageSize");
}
long lBound = (long)pageIndex * pageSize;
long uBound = lBound + pageSize - 1;
if (uBound > System.Int32.MaxValue)
{
throw new ArgumentException("pageIndex*pageSize too large");
}
try {
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
ProfileInfoCollection profiles = new ProfileInfoCollection();
OleDbDataReader reader = null;
try {
OleDbCommand cmd = new OleDbCommand(sqlQuery, holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@AppId", GetApplicationId(holder)));
int len = args.Length;
for (int iter = 0; iter < len; iter++)
{
cmd.Parameters.Add(args[iter]);
}
reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
totalRecords = 0;
while (reader.Read())
{
totalRecords++;
if (totalRecords - 1 < lBound || totalRecords - 1 > uBound)
{
continue;
}
string username;
DateTime dtLastActivity, dtLastUpdated;
bool isAnon;
username = reader.GetString(0);
isAnon = reader.GetBoolean(1);
dtLastActivity = reader.GetDateTime(2);
dtLastUpdated = reader.GetDateTime(3);
int size = reader.GetInt32(4);
profiles.Add(new ProfileInfo(username, isAnon, dtLastActivity, dtLastUpdated, size));
}
return(profiles);
}
catch (Exception e) {
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
if (reader != null)
{
reader.Close();
}
holder.Close();
}
}
catch {
throw;
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public override void SetPropertyValues(SettingsContext sc, SettingsPropertyValueCollection properties)
{
try {
string username = (string)sc["UserName"];
bool userIsAuthenticated = (bool)sc["IsAuthenticated"];
if (username == null || username.Length < 1 || properties.Count < 1)
{
return;
}
string names = String.Empty;
string values = String.Empty;
byte[] buf = null;
PrepareDataForSaving(ref names, ref values, ref buf, false, properties, userIsAuthenticated);
if (names.Length == 0)
{
return;
}
////////////////////////////////////////////////////////////
// Step 2: Store strings in DB
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
bool fBeginTransCalled = false;
try {
OleDbCommand cmd = new OleDbCommand("BEGIN TRANSACTION", holder.Connection);
cmd.ExecuteNonQuery();
fBeginTransCalled = true;
int appId = GetApplicationId(holder);
int userId = AccessConnectionHelper.GetUserID(holder.Connection, appId, username, true, !userIsAuthenticated);
if (userId == 0) // User not creatable
{
return;
}
cmd = new OleDbCommand(@"SELECT UserId FROM aspnet_Profile WHERE UserId = @UserId", holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
object result = cmd.ExecuteScalar();
if (result != null && (result is int) && ((int)result) == userId)
{
cmd = new OleDbCommand(@"UPDATE aspnet_Profile SET PropertyNames = @PropertyNames, PropertyValuesString = @PropertyValuesString, LastUpdatedDate = @LastUpdatedDate WHERE UserId = @UserId", holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@PropertyNames", names));
cmd.Parameters.Add(new OleDbParameter("@PropertyValuesString", values));
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastUpdatedDate", DateTime.Now));
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
}
else
{
cmd = new OleDbCommand(@"INSERT INTO aspnet_Profile (UserId, PropertyNames, PropertyValuesString, LastUpdatedDate) VALUES (@UserId, @PropertyNames, @PropertyValuesString, @LastUpdatedDate)", holder.Connection);
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
cmd.Parameters.Add(new OleDbParameter("@PropertyNames", names));
cmd.Parameters.Add(new OleDbParameter("@PropertyValuesString", values));
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastUpdatedDate", DateTime.Now));
}
cmd.ExecuteNonQuery();
try { // Not a critical part -- don't throw exceptions here
cmd = new OleDbCommand(@"UPDATE aspnet_Users SET LastActivityDate=@LastActivityDate WHERE UserId = @UserId", holder.Connection);
cmd.Parameters.Add(CreateDateTimeOleDbParameter("@LastActivityDate", DateTime.Now));
cmd.Parameters.Add(new OleDbParameter("@UserId", userId));
cmd.ExecuteNonQuery();
}
catch { }
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();
}
}
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;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 255, "roleName");
AccessConnectionHolder holder = AccessConnectionHelper.GetConnection(_DatabaseFileName, true);
OleDbConnection connection = holder.Connection;
bool fBeginTransCalled = false;
try {
try {
int appId = GetApplicationId(holder);
OleDbCommand command;
int roleId = GetRoleId(connection, appId, roleName);
if (roleId == 0)
{
return(false);
}
if (throwOnPopulatedRole)
{
command = new OleDbCommand(@"SELECT COUNT(*) " +
@"FROM aspnet_UsersInRoles ur, aspnet_Users u " +
@"WHERE ur.RoleId = @RoleId AND ur.UserId = u.UserId",
connection);
command.Parameters.Add(new OleDbParameter("@RoleId", roleId));
object num = command.ExecuteScalar();
if (!(num is int) || ((int)num) != 0)
{
throw new ProviderException("Role is not empty");
}
}
command = new OleDbCommand("BEGIN TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = true;
command = new OleDbCommand(@"DELETE FROM aspnet_Roles WHERE RoleId = @RoleId", connection);
command.Parameters.Add(new OleDbParameter("@RoleId", roleId));
int returnValue = command.ExecuteNonQuery();
command = new OleDbCommand("COMMIT TRANSACTION", connection);
command.ExecuteNonQuery();
fBeginTransCalled = false;
return(returnValue == 1);
}
catch (Exception e) {
if (fBeginTransCalled)
{
try {
OleDbCommand command = new OleDbCommand("ROLLBACK TRANSACTION", connection);
command.ExecuteNonQuery();
}
catch { }
}
throw AccessConnectionHelper.GetBetterException(e, holder);
}
finally {
holder.Close();
}
}
catch {
throw;
}
}