public UserInfo GetUser(string userName)
{
using (var query = Session.CreateQuery()) {
var table = query.Access().GetTable(PasswordTableName);
var unameColumn = table.GetResolvedColumnName(0);
var methodColumn = table.GetResolvedColumnName(1);
var methodArgsColumn = table.GetResolvedColumnName(2);
var tokenColumn = table.GetResolvedColumnName(3);
var t = table.SimpleSelect(query, unameColumn, SqlExpressionType.Equal, SqlExpression.Constant(userName));
if (t.RowCount == 0)
{
throw new SecurityException(String.Format("User '{0}' is not registered.", userName));
}
var method = t.GetValue(0, methodColumn);
var methodArgs = t.GetValue(0, methodArgsColumn);
var argBytes = ((SqlBinary)methodArgs.Value).ToByteArray();
var args = DeserializeArguments(argBytes);
var token = t.GetValue(0, tokenColumn);
var identification = new UserIdentification(method, token);
foreach (var arg in args)
{
identification.Arguments[arg.Key] = arg.Value;
}
return(new UserInfo(userName, identification));
}
}
public UserIdentification CreateIdentification(string input)
{
var salt = HashFunctions.HmacSha512.GenerateSaltString();
var token = HashFunctions.HmacSha512.MakePbkdf2String(input, salt, 512);
var id = new UserIdentification(KnownUserIdentifications.Pkcs12, token);
id.Arguments.Add("salt", salt);
return id;
}
private static void CreatePublicUser(IQuery query)
{
var userName = User.PublicName;
var userId = new UserIdentification(KnownUserIdentifications.ClearText, "###");
var userInfo = new UserInfo(userName, userId);
query.Access().CreateUser(userInfo);
}
private static void CreatePublicUser(IQuery query)
{
var userName = User.PublicName;
var userId = new UserIdentification(KnownUserIdentifications.ClearText, "###");
var userInfo = new UserInfo(userName, userId);
query.Access().CreateUser(userInfo);
}
public static UserIdentification Pkcs12(string salt)
{
var id = new UserIdentification("hash");
id.Arguments["salt"] = salt;
id.Arguments["mechanism"] = "pkcs12";
return(id);
}
public UserIdentification CreateIdentification(string input)
{
var salt = HashFunctions.HmacSha512.GenerateSaltString();
var token = HashFunctions.HmacSha512.MakePbkdf2String(input, salt, 512);
var id = new UserIdentification(KnownUserIdentifications.Pkcs12, token);
id.Arguments.Add("salt", salt);
return(id);
}
public UserInfo(string name, UserIdentification identification)
{
if (String.IsNullOrEmpty(name))
throw new ArgumentNullException("name");
if (identification == null)
throw new ArgumentNullException("identification");
Name = name;
Identification = identification;
}
public bool VerifyIdentification(string input, UserIdentification identification)
{
string salt;
object arg;
if (!identification.Arguments.TryGetValue("salt", out arg)) {
salt = HashFunctions.HmacSha512.GenerateSaltString();
} else {
salt = arg.ToString();
}
return HashFunctions.HmacSha512.VerifyPbkdf2String(identification.Token, input, salt);
}
public UserInfo(string name, UserIdentification identification)
{
if (String.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
if (identification == null)
{
throw new ArgumentNullException("identification");
}
Name = name;
Identification = identification;
}
public bool VerifyIdentification(string input, UserIdentification identification)
{
string salt;
object arg;
if (!identification.Arguments.TryGetValue("salt", out arg))
{
salt = HashFunctions.HmacSha512.GenerateSaltString();
}
else
{
salt = arg.ToString();
}
return(HashFunctions.HmacSha512.VerifyPbkdf2String(identification.Token, input, salt));
}
public UserInfo GetUser(string userName)
{
var table = QueryContext.GetTable(SystemSchema.PasswordTableName);
var unameColumn = table.GetResolvedColumnName(0);
var methodColumn = table.GetResolvedColumnName(1);
var methodArgsColumn = table.GetResolvedColumnName(2);
var t = table.SimpleSelect(QueryContext, unameColumn, SqlExpressionType.Equal, SqlExpression.Constant(userName));
if (t.RowCount == 0)
throw new SecurityException(String.Format("User '{0}' is not registered.", userName));
var method = t.GetValue(0, methodColumn);
var methodArgs = t.GetValue(0, methodArgsColumn);
var argBytes = ((SqlBinary) methodArgs.Value).ToByteArray();
var args = DeserializeArguments(argBytes);
var identification = new UserIdentification(method);
foreach (var arg in args) {
identification.Arguments[arg.Key] = arg.Value;
}
return new UserInfo(userName, identification);
}
public bool VerifyIdentification(string input, UserIdentification identification)
{
return String.Equals(input, identification.Token);
}
public bool VerifyIdentification(string input, UserIdentification identification)
{
return(String.Equals(input, identification.Token));
}
static UserIdentification()
{
PlainText = new UserIdentification("plain");
}
