mcs/class/System.Web/System.Web.Security/AspNetDBSchemaChecker.cs

   1 //
   2 // System.Web.Security.SqlMembershipProvider
   3 //
   4 // Authors:
   5 //  Vladimir Krasnov (vladimirk@mainsoft.com)
   6 //
   7 // (C) 2003 Ben Maurer
   8 // Copyright (c) 2005,2006 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.Collections.Generic;
  32 using System.Text;
  33 using System.Data.Common;
  34 using System.Data;
  35 using System.Configuration.Provider;
  36
  37 namespace System.Web.Security
  38 {
  39         internal static class AspNetDBSchemaChecker
  40         {
  41                 static DbConnection CreateConnection (DbProviderFactory factory, string connStr)
  42                 {
  43                         DbConnection connection = factory.CreateConnection ();
  44                         connection.ConnectionString = connStr;
  45
  46                         connection.Open ();
  47                         return connection;
  48                 }
  49
  50                 public static bool CheckMembershipSchemaVersion (DbProviderFactory factory, string connStr, string feature, string compatibleVersion)
  51                 {
  52                         using (DbConnection connection = CreateConnection (factory, connStr)) {
  53                                 DbCommand command = factory.CreateCommand ();
  54                                 command.Connection = connection;
  55                                 command.CommandText = @"aspnet_CheckSchemaVersion";
  56                                 command.CommandType = CommandType.StoredProcedure;
  57
  58                                 AddParameter (factory, command, "@Feature", ParameterDirection.Input, feature);
  59                                 AddParameter (factory, command, "@CompatibleSchemaVersion", ParameterDirection.Input, compatibleVersion);
  60                                 DbParameter returnValue = AddParameter (factory, command, "@ReturnVal", ParameterDirection.ReturnValue, null);
  61
  62                                 try {
  63                                         command.ExecuteNonQuery ();
  64                                 }
  65                                 catch (Exception) {
  66                                         throw new ProviderException ("ASP.NET Membership schema not installed.");
  67                                 }
  68
  69                                 if ((int) (returnValue.Value ?? -1) == 0)
  70                                         return true;
  71
  72                                 return false;
  73                         }
  74                 }
  75
  76                 static DbParameter AddParameter (DbProviderFactory factory, DbCommand command, string parameterName, ParameterDirection direction, object parameterValue)
  77                 {
  78                         DbParameter dbp = command.CreateParameter ();
  79                         dbp.ParameterName = parameterName;
  80                         dbp.Value = parameterValue;
  81                         dbp.Direction = direction;
  82                         command.Parameters.Add (dbp);
  83                         return dbp;
  84                 }
  85
  86         }
  87 }