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//
// System.Web.Security.SqlRoleProvider
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
// Chris Toshok (toshok@ximian.com)
//
// (C) 2003 Ben Maurer
// Copyright (c) 2005,2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Data.Common;
using System.Configuration;
using System.Configuration.Provider;
using System.Web.Configuration;
namespace System.Web.Security
{
public class SqlRoleProvider : RoleProvider
{
string applicationName;
bool schemaIsOk = false;
ConnectionStringSettings connectionString;
DbProviderFactory factory;
DbConnection CreateConnection ()
{
if (!schemaIsOk && !(schemaIsOk = AspNetDBSchemaChecker.CheckMembershipSchemaVersion (factory, connectionString.ConnectionString, "role manager", "1")))
throw new ProviderException ("Incorrect ASP.NET DB Schema Version.");
DbConnection connection = factory.CreateConnection ();
connection.ConnectionString = connectionString.ConnectionString;
connection.Open ();
return connection;
}
static void AddParameter (DbCommand command, string parameterName, object parameterValue)
{
AddParameter (command, parameterName, ParameterDirection.Input, parameterValue);
}
static DbParameter AddParameter (DbCommand command, string parameterName, ParameterDirection direction, object parameterValue)
{
DbParameter dbp = command.CreateParameter ();
dbp.ParameterName = parameterName;
dbp.Value = parameterValue;
dbp.Direction = direction;
command.Parameters.Add (dbp);
return dbp;
}
static DbParameter AddParameter (DbCommand command, string parameterName, ParameterDirection direction, DbType type, object parameterValue)
{
DbParameter dbp = command.CreateParameter ();
dbp.ParameterName = parameterName;
dbp.Value = parameterValue;
dbp.Direction = direction;
dbp.DbType = type;
command.Parameters.Add (dbp);
return dbp;
}
public override void AddUsersToRoles (string [] usernames, string [] rolenames)
{
Hashtable h = new Hashtable ();
foreach (string u in usernames) {
if (u == null)
throw new ArgumentNullException ("null element in usernames array");
if (h.ContainsKey (u))
throw new ArgumentException ("duplicate element in usernames array");
if (u.Length == 0 || u.Length > 256 || u.IndexOf (',') != -1)
throw new ArgumentException ("element in usernames array in illegal format");
h.Add (u, u);
}
h = new Hashtable ();
foreach (string r in rolenames) {
if (r == null)
throw new ArgumentNullException ("null element in rolenames array");
if (h.ContainsKey (r))
throw new ArgumentException ("duplicate element in rolenames array");
if (r.Length == 0 || r.Length > 256 || r.IndexOf (',') != -1)
throw new ArgumentException ("element in rolenames array in illegal format");
h.Add (r, r);
}
using (DbConnection connection = CreateConnection ()) {
/* add the user/role combination to dbo.aspnet_UsersInRoles */
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_UsersInRoles_AddUsersToRoles";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@RoleNames", String.Join (",", rolenames));
AddParameter (command, "@UserNames", String.Join (",", usernames));
AddParameter (command, "@ApplicationName", ApplicationName);
AddParameter (command, "@CurrentTimeUtc", DateTime.UtcNow);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int) dbpr.Value;
if (returnValue == 0)
return;
else if (returnValue == 2)
throw new ProviderException ("One or more of the specified user/role names was not found.");
else if (returnValue == 3)
throw new ProviderException ("One or more of the specified user names is already associated with one or more of the specified role names.");
else
throw new ProviderException ("Failed to create new user/role association.");
}
}
public override void CreateRole (string rolename)
{
if (rolename == null)
throw new ArgumentNullException ("rolename");
if (rolename.Length == 0 || rolename.Length > 256 || rolename.IndexOf (',') != -1)
throw new ArgumentException ("rolename is in invalid format");
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_Roles_CreateRole";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@ApplicationName", ApplicationName);
AddParameter (command, "@RoleName", rolename);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int) dbpr.Value;
if (returnValue == 1)
throw new ProviderException (rolename + " already exists in the database");
else
return;
}
}
public override bool DeleteRole (string rolename, bool throwOnPopulatedRole)
{
if (rolename == null)
throw new ArgumentNullException ("rolename");
if (rolename.Length == 0 || rolename.Length > 256 || rolename.IndexOf (',') != -1)
throw new ArgumentException ("rolename is in invalid format");
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_Roles_DeleteRole";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@ApplicationName", ApplicationName);
AddParameter (command, "@RoleName", rolename);
AddParameter (command, "@DeleteOnlyIfRoleIsEmpty", throwOnPopulatedRole);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int)dbpr.Value;
if (returnValue == 0)
return true;
if (returnValue == 1)
return false; //role does not exist
else if (returnValue == 2 && throwOnPopulatedRole)
throw new ProviderException (rolename + " is not empty");
else
return false;
}
}
public override string [] FindUsersInRole (string roleName, string usernameToMatch)
{
if (roleName == null)
throw new ArgumentNullException ("roleName");
if (usernameToMatch == null)
throw new ArgumentNullException ("usernameToMatch");
if (roleName.Length == 0 || roleName.Length > 256 || roleName.IndexOf (',') != -1)
throw new ArgumentException ("roleName is in invalid format");
if (usernameToMatch.Length == 0 || usernameToMatch.Length > 256)
throw new ArgumentException ("usernameToMatch is in invalid format");
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.Connection = connection;
command.CommandText = @"dbo.aspnet_UsersInRoles_FindUsersInRole";
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@ApplicationName", ApplicationName);
AddParameter (command, "@RoleName", roleName);
AddParameter (command, "@UsernameToMatch", usernameToMatch);
DbDataReader reader = command.ExecuteReader ();
ArrayList userList = new ArrayList ();
while (reader.Read ())
userList.Add (reader.GetString (0));
reader.Close ();
return (string []) userList.ToArray (typeof (string));
}
}
public override string [] GetAllRoles ()
{
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_Roles_GetAllRoles";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@ApplicationName", ApplicationName);
DbDataReader reader = command.ExecuteReader ();
ArrayList roleList = new ArrayList ();
while (reader.Read ())
roleList.Add (reader.GetString (0));
reader.Close ();
return (string []) roleList.ToArray (typeof (string));
}
}
public override string [] GetRolesForUser (string username)
{
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_UsersInRoles_GetRolesForUser";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@UserName", username);
AddParameter (command, "@ApplicationName", ApplicationName);
DbDataReader reader = command.ExecuteReader ();
ArrayList roleList = new ArrayList ();
while (reader.Read ())
roleList.Add (reader.GetString (0));
reader.Close ();
return (string []) roleList.ToArray (typeof (string));
}
}
public override string [] GetUsersInRole (string rolename)
{
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_UsersInRoles_GetUsersInRoles";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@RoleName", rolename);
AddParameter (command, "@ApplicationName", ApplicationName);
DbDataReader reader = command.ExecuteReader ();
ArrayList userList = new ArrayList ();
while (reader.Read ())
userList.Add (reader.GetString (0));
reader.Close ();
return (string []) userList.ToArray (typeof (string));
}
}
string GetStringConfigValue (NameValueCollection config, string name, string def)
{
string rv = def;
string val = config [name];
if (val != null)
rv = val;
return rv;
}
public override void Initialize (string name, NameValueCollection config)
{
if (config == null)
throw new ArgumentNullException ("config");
base.Initialize (name, config);
applicationName = GetStringConfigValue (config, "applicationName", "/");
string connectionStringName = config ["connectionStringName"];
if (applicationName.Length > 256)
throw new ProviderException ("The ApplicationName attribute must be 256 characters long or less.");
if (connectionStringName == null || connectionStringName.Length == 0)
throw new ProviderException ("The ConnectionStringName attribute must be present and non-zero length.");
// XXX check connectionStringName and commandTimeout
connectionString = WebConfigurationManager.ConnectionStrings [connectionStringName];
if (connectionString == null)
throw new ProviderException (String.Format("The connection name '{0}' was not found in the applications configuration or the connection string is empty.", connectionStringName));
factory = String.IsNullOrEmpty (connectionString.ProviderName) ?
System.Data.SqlClient.SqlClientFactory.Instance :
ProvidersHelper.GetDbProviderFactory (connectionString.ProviderName);
}
public override bool IsUserInRole (string username, string rolename)
{
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_UsersInRoles_IsUserInRole";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@RoleName", rolename);
AddParameter (command, "@UserName", username);
AddParameter (command, "@ApplicationName", ApplicationName);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int) dbpr.Value;
if (returnValue == 1)
return true;
return false;
}
}
public override void RemoveUsersFromRoles (string [] usernames, string [] rolenames)
{
Hashtable h = new Hashtable ();
foreach (string u in usernames) {
if (u == null)
throw new ArgumentNullException ("null element in usernames array");
if (h.ContainsKey (u))
throw new ArgumentException ("duplicate element in usernames array");
if (u.Length == 0 || u.Length > 256 || u.IndexOf (',') != -1)
throw new ArgumentException ("element in usernames array in illegal format");
h.Add (u, u);
}
h = new Hashtable ();
foreach (string r in rolenames) {
if (r == null)
throw new ArgumentNullException ("null element in rolenames array");
if (h.ContainsKey (r))
throw new ArgumentException ("duplicate element in rolenames array");
if (r.Length == 0 || r.Length > 256 || r.IndexOf (',') != -1)
throw new ArgumentException ("element in rolenames array in illegal format");
h.Add (r, r);
}
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_UsersInRoles_RemoveUsersFromRoles";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@UserNames", String.Join (",", usernames));
AddParameter (command, "@RoleNames", String.Join (",", rolenames));
AddParameter (command, "@ApplicationName", ApplicationName);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int) dbpr.Value;
if (returnValue == 0)
return;
else if (returnValue == 1)
throw new ProviderException ("One or more of the specified user names was not found.");
else if (returnValue == 2)
throw new ProviderException ("One or more of the specified role names was not found.");
else if (returnValue == 3)
throw new ProviderException ("One or more of the specified user names is not associated with one or more of the specified role names.");
else
throw new ProviderException ("Failed to remove users from roles");
}
}
public override bool RoleExists (string rolename)
{
using (DbConnection connection = CreateConnection ()) {
DbCommand command = factory.CreateCommand ();
command.CommandText = @"dbo.aspnet_Roles_RoleExists";
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
AddParameter (command, "@ApplicationName", ApplicationName);
AddParameter (command, "@RoleName", rolename);
DbParameter dbpr = AddParameter (command, "@ReturnVal", ParameterDirection.ReturnValue, DbType.Int32, null);
command.ExecuteNonQuery ();
int returnValue = (int) dbpr.Value;
if (returnValue == 1)
return true;
return false;
}
}
public override string ApplicationName
{
get { return applicationName; }
set
{
applicationName = value;
}
}
}
}
#endif
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