internal SmtpCommand MakeRcpt(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
if (enumerator.Consume(1) != new Token(TokenKind.Text, "TO") || enumerator.Consume(1) != new Token(TokenKind.Punctuation, ":"))
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, "missing the TO:"));
}
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
MailAddress address;
return(!_parser.TryMakePath(enumerator, out address) ? MakeInvalid(SmtpReplyCode.SyntaxError, ""): new RcptCommand(address, _server.ValidateRecipient));
}
internal bool TryMakeAddressLiteral(TokenEnumerator enumerator, out string address)
{
address = null;
if (enumerator.Consume(1) != new Token(TokenKind.Punctuation, "["))
{
return(false);
}
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
if (!TryMake <string>(enumerator, new TryMakeDelegate <string>(TryMakeIpv4AddressLiteral), out address))
{
return(false);
}
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
return(!(enumerator.Consume(1) != new Token(TokenKind.Punctuation, "]")) && address != null);
}
internal SmtpCommand MakeHelo(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
string domain;
return(!_parser.TryMakeDomain(enumerator, out domain)? MakeInvalid(SmtpReplyCode.SyntaxError, "") : new HeloCommand(domain));
}
internal SmtpCommand MakeStartTls(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
if (enumerator.Count > 1)
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
return(new StartTlsCommand(_server.ServerCertificate));
}
internal SmtpCommand MakeDbug(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
if (enumerator.Count > 1)
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
return(new DbugCommand());
}
internal bool TryMakeMailParameters(TokenEnumerator enumerator, out IDictionary <string, string> parameters)
{
parameters = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
while (enumerator.Peek(0).Kind != TokenKind.None)
{
KeyValuePair <string, string> item;
if (!TryMake <KeyValuePair <string, string> >(enumerator, new TryMakeDelegate <KeyValuePair <string, string> >(TryMakeEsmtpParameter), out item))
{
return(false);
}
parameters.Add(item);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
}
return(parameters.Count > 0);
}
internal SmtpCommand MakeMail(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
if (enumerator.Consume(1) != new Token(TokenKind.Text, "FROM") || enumerator.Consume(1) != new Token(TokenKind.Punctuation, ":"))
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, "missing the FROM:"));
}
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
MailAddress address;
if (!_parser.TryMakeReversePath(enumerator, out address))
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
IDictionary <string, string> parameters;
if (!_parser.TryMakeMailParameters(enumerator, out parameters))
{
parameters = new Dictionary <string, string>();
}
return(new MailCommand(address, parameters, _server.ValidateFrom, 0));
}
internal SmtpCommand MakeEhlo(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
string domainOrAddress;
if (_parser.TryMakeDomain(enumerator, out domainOrAddress))
{
return(new EhloCommand(domainOrAddress, _server));
}
string domainOrAddress2;
if (_parser.TryMakeAddressLiteral(enumerator, out domainOrAddress2))
{
return(new EhloCommand(domainOrAddress2, _server));
}
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
internal SmtpCommand MakeAuth(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
AuthenticationMethod method;
if (!Enum.TryParse(enumerator.Peek(0).Text, true, out method))
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
enumerator.Consume(1);
string parameter = null;
if (enumerator.Count > 0 && !_parser.TryMakeBase64(enumerator, out parameter))
{
return(MakeInvalid(SmtpReplyCode.SyntaxError, ""));
}
return(new AuthCommand(_server.UserAuthenticator, method, parameter));
}
internal SmtpCommand MakeRset(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
return(enumerator.Count > 1 ? MakeInvalid(SmtpReplyCode.SyntaxError, ""): new RsetCommand());
}
internal SmtpCommand MakeData(TokenEnumerator enumerator)
{
enumerator.Consume(1);
enumerator.ConsumeWhile((Token t) => t.Kind == TokenKind.Space);
return(enumerator.Count > 1 ? MakeInvalid(SmtpReplyCode.SyntaxError, ""): new DataCommand(_server.OnMessageArrived));
}
