public void Delete( Pop3Message message )
{
try
{
SendCommand("DELE", message);
}
catch (Pop3Exception e)
{
ConsoleLog.WriteLine("Error deleteing message: " + e.Message);
}
}
private void SendCommand( string command, string aditionalParameters = null, Pop3Message message = null )
{
var request = new StringBuilder( );
if ( message == null )
request.AppendFormat( CultureInfo.InvariantCulture, "{0}", command );
else
request.AppendFormat( CultureInfo.InvariantCulture, "{0} {1}", command, message.Number );
if ( !String.IsNullOrEmpty( aditionalParameters ) )
request.AppendFormat( CultureInfo.InvariantCulture, " {0}", aditionalParameters );
request.Append( "\r\n" );
_networkOperations.Write( request.ToString( ) );
var response = _networkOperations.Read( );
if ( String.IsNullOrEmpty( response ) || response.Substring( 0, 3 ) != "+OK" )
throw new InvalidOperationException( response );
}
public async Task DeleteAsync( Pop3Message message )
{
if ( !this.IsConnected )
throw new InvalidOperationException( "Pop3 client is not connected to host" );
if ( message == null )
throw new ArgumentNullException( "message" );
await SendCommandAsync( "DELE", message ).ConfigureAwait( false );
}
public void Delete( Pop3Message message )
{
SendCommand( "DELE", message );
}
public void CloseConnection()
{
Send("quit");
m_socket = null;
m_pop3Message = null;
}
private void SendCommand( string command, string aditionalParameters, Pop3Message message )
{
StringBuilder request = new StringBuilder();
string response;
if ( message == null )
request.AppendFormat( CultureInfo.InvariantCulture, "{0}", command );
else
request.AppendFormat( CultureInfo.InvariantCulture, "{0} {1}", command, message.Number );
if ( !String.IsNullOrEmpty( aditionalParameters ))
request.AppendFormat( " {0}", aditionalParameters );
request.Append( "\r\n" );
Write( request.ToString( ) );
response = Response( );
if ( response.Substring( 0, 3 ) != "+OK" )
throw new Pop3Exception( response );
}
public void RetrieveHeader( Pop3Message message )
{
string response;
SendCommand( "TOP", "0", message );
while ( true )
{
response = Response( );
if ( response == ".\r\n" )
break;
else
message.Header += response;
}
}
public List<Pop3Message> List( )
{
string response;
List<Pop3Message> result = new List<Pop3Message>( );
SendCommand( "LIST" );
while ( true )
{
response = Response( );
if ( response == ".\r\n" )
{
return result;
}
else
{
Pop3Message message = new Pop3Message( );
char[ ] seps = { ' ' };
string[ ] values = response.Split( seps );
message.Number = Int32.Parse( values[ 0 ] );
message.Bytes = Int32.Parse( values[ 1 ] );
message.Retrieved = false;
result.Add( message );
}
}
}
public IAsyncAction RetrieveAsync(Pop3Message message)
{
return(_client.RetrieveAsync(message).AsAsyncAction( ));
}
private async Task SendCommandAsync(string command, string aditionalParameters = null, Pop3Message message = null)
{
var request = new StringBuilder( );
if (message == null)
{
request.AppendFormat(CultureInfo.InvariantCulture, "{0}", command);
}
else
{
request.AppendFormat(CultureInfo.InvariantCulture, "{0} {1}", command, message.Number);
}
if (!String.IsNullOrEmpty(aditionalParameters))
{
request.AppendFormat(" {0}", aditionalParameters);
}
request.Append(Environment.NewLine);
await _networkOperations.WriteAsync(request.ToString( )).ConfigureAwait(false);
var response = await _networkOperations.ReadAsync( ).ConfigureAwait(false);
if (String.IsNullOrEmpty(response) || response.Substring(0, 3) != "+OK")
{
throw new InvalidOperationException(response);
}
}
private async Task SendCommandAsync(string command, Pop3Message message)
{
await SendCommandAsync(command, null, message).ConfigureAwait(false);
}
private void SendCommand(string command, Pop3Message message)
{
SendCommand(command, null, message);
}
public IAsyncAction DeleteAsync( Pop3Message message )
{
return _client.DeleteAsync( message ).AsAsyncAction( );
}
public IAsyncAction RetrieveHeaderAsync( Pop3Message message )
{
return _client.RetrieveHeaderAsync( message ).AsAsyncAction( );
}
private async Task SendCommandAsync( string command, Pop3Message message )
{
await SendCommandAsync( command, null, message ).ConfigureAwait( false );
}
private async Task SendCommandAsync( string command, string aditionalParameters = null, Pop3Message message = null )
{
var request = new StringBuilder( );
if ( message == null )
request.AppendFormat( CultureInfo.InvariantCulture, "{0}", command );
else
request.AppendFormat( CultureInfo.InvariantCulture, "{0} {1}", command, message.Number );
if ( !String.IsNullOrEmpty( aditionalParameters ) )
request.AppendFormat( " {0}", aditionalParameters );
request.Append( Environment.NewLine );
await _networkOperations.WriteAsync( request.ToString( ) ).ConfigureAwait( false );
var response = await _networkOperations.ReadAsync( ).ConfigureAwait( false );
if ( String.IsNullOrEmpty( response ) || response.Substring( 0, 3 ) != "+OK" )
throw new InvalidOperationException( response );
}
public IAsyncAction DeleteAsync(Pop3Message message)
{
return(_client.DeleteAsync(message).AsAsyncAction( ));
}
public void Retrieve( Pop3Message message )
{
string response;
SendCommand( "RETR", message );
message.Retrieved = true;
while ( true )
{
response = Response( );
if ( response == ".\r\n" )
break;
else
message.Message += response;
}
}
public void Retrieve( Pop3Message message )
{
if ( !this.IsConnected )
throw new InvalidOperationException( "Pop3 client is not connected to host" );
if ( message == null )
throw new ArgumentNullException( "message" );
SendCommand( "RETR", message );
while ( true )
{
string response = _networkOperations.Read( );
if ( response == ".\r\n" )
break;
message.RawMessage += response;
}
message.ParseRawMessage( );
message.Retrieved = true;
}
private void SendCommand( string command, Pop3Message message )
{
SendCommand( command, null, message );
}
public void Delete( Pop3Message message )
{
if ( !this.IsConnected )
throw new InvalidOperationException( "Pop3 client is not connected to host" );
if ( message == null )
throw new ArgumentNullException( "message" );
SendCommand( "DELE", message );
}
public async Task<IEnumerable<Pop3Message>> ListAsync( )
{
if ( !this.IsConnected )
throw new InvalidOperationException( "Pop3 client is not connected to host" );
List<Pop3Message> result = new List<Pop3Message>( );
await SendCommandAsync( "LIST" ).ConfigureAwait( false );
while ( true )
{
string response = await _networkOperations.ReadAsync( ).ConfigureAwait( false );
if ( response == ".\r\n" )
return result.AsEnumerable( );
Pop3Message message = new Pop3Message( );
char[] seps = { ' ' };
string[] values = response.Split( seps );
message.Number = Int32.Parse( values[ 0 ], CultureInfo.InvariantCulture );
message.Bytes = Int32.Parse( values[ 1 ], CultureInfo.InvariantCulture );
message.Retrieved = false;
result.Add( message );
}
}
public async Task RetrieveAsync( Pop3Message message )
{
if ( !this.IsConnected )
throw new InvalidOperationException( "Pop3 client is not connected to host" );
if ( message == null )
throw new ArgumentNullException( "message" );
await SendCommandAsync( "RETR", message ).ConfigureAwait( false );
while ( true )
{
string response = await _networkOperations.ReadAsync( ).ConfigureAwait( false );
if ( response == ".\r\n" )
break;
message.RawMessage += response;
}
message.ParseRawMessage( );
message.Retrieved = true;
}
public bool NextEmail()
{
string returned;
long pos;
if (m_directPosition == -1)
{
if (m_inboxPosition == 0)
{
pos = 1;
}
else
{
pos = m_inboxPosition + 1;
}
}
else
{
pos = m_directPosition + 1;
m_directPosition = -1;
}
//send username
Send("list " + pos.ToString());
//get response
returned = GetPop3String();
//if email does not exist then return false
if (returned.Substring(0, 4).Equals("-ERR"))
{
return false;
}
m_inboxPosition = pos;
//strip clrf
string[] nocr = returned.Split(new char[] { '\r' });
//get size
string[] elements = nocr[0].Split(new char[] { ' ' });
long size = long.Parse(elements[2]);
//else read data
m_pop3Message = new Pop3Message(m_inboxPosition, size, m_socket);
return true;
}
public void CloseConnection()
{
Send("quit");
if (m_socket != null)
{
m_socket.Close();
m_socket = null;
}
m_pop3Message = null;
}
