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Diffstat (limited to 'kioslave/smtp/smtp.h')
-rw-r--r-- | kioslave/smtp/smtp.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/kioslave/smtp/smtp.h b/kioslave/smtp/smtp.h new file mode 100644 index 000000000..571375bd4 --- /dev/null +++ b/kioslave/smtp/smtp.h @@ -0,0 +1,146 @@ +/* -*- c++ -*- + * Copyright (c) 2000, 2001 Alex Zepeda <[email protected]> + * Copyright (c) 2001 Michael H�ckel <[email protected]> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#ifndef _SMTP_H +#define _SMTP_H + +#include <kio/tcpslavebase.h> + +#include "capabilities.h" + +#include <qstring.h> +#include <qptrqueue.h> + +class KURL; +class QCString; +template <typename T> class QMemArray; +typedef QMemArray<char> QByteArray; + +namespace KioSMTP { + class Response; + class TransactionState; + class Command; +} + +class SMTPProtocol : public KIO::TCPSlaveBase { + friend class KioSMTP::Command; +public: + SMTPProtocol(const QCString & pool, const QCString & app, bool useSSL); + virtual ~ SMTPProtocol(); + + virtual void setHost(const QString & host, int port, + const QString & user, const QString & pass); + + virtual void special(const QByteArray & aData); + virtual void put(const KURL & url, int permissions, bool overwrite, + bool resume); + virtual void stat(const KURL & url); + virtual void openConnection(); + virtual void closeConnection(); + +protected: + + bool smtp_open(const QString& fakeHostname = QString::null); + + /** Closes the connection. If @p nice is true (default), then QUIT + is sent and it's reponse waited for. */ + void smtp_close( bool nice=true ); + + /** Execute command @p cmd */ + bool execute( KioSMTP::Command * cmd, KioSMTP::TransactionState * ts=0 ); + /** Execute a command of type @p type */ + bool execute( int type, KioSMTP::TransactionState * ts=0 ); + /** Execute the queued commands. If something goes horribly wrong + (sending command oline fails, getting response fails or some + command raises the failedFatally() flag in @p ts, shuts down the + connection with <code>smtp_close( false )</code>. If The + transaction fails gracefully (<code>ts->failed()</code> is + true), issues a RSET command. + + @return true if transaction succeeded, false otherwise. + **/ + bool executeQueuedCommands( KioSMTP::TransactionState * ts ); + + /** Parse a single response from the server. Single- vs. multiline + responses are correctly detected. + + @param ok if not 0, returns whether response parsing was + successful. Don't confuse this with negative responses + (e.g. 5xx), which you can check for using + @ref Response::isNegative() + @return the @ref Response object representing the server response. + **/ + KioSMTP::Response getResponse( bool * ok ); + + bool authenticate(); + void parseFeatures( const KioSMTP::Response & ehloResponse ); + + bool sendCommandLine( const QCString & cmd ); + QCString collectPipelineCommands( KioSMTP::TransactionState * ts ); + bool batchProcessResponses( KioSMTP::TransactionState * ts ); + + /** This is a pure convenience wrapper around + @ref KioSMTP::Capabilities::have() */ + bool haveCapability( const char * cap ) const { + return mCapabilities.have( cap ); + } + + /** @return true is pipelining is available and allowed by metadata */ + bool canPipelineCommands() const { + return haveCapability("PIPELINING") && metaData("pipelining") != "off" ; + } + + /** Wrapper around getsockopt(..., SO_SNDBUF,...) */ + unsigned int sendBufferSize() const; + + /** This is a pure convenience wrapper around + @ref KioSMTP::Capabilities::createSpecialResponse */ + QString createSpecialResponse() const { + return mCapabilities.createSpecialResponse( usingTLS() || haveCapability( "STARTTLS" ) ); + } + + void queueCommand( KioSMTP::Command * command ) { + mPendingCommandQueue.enqueue( command ); + } + void queueCommand( int type ); + + unsigned short m_iOldPort; + bool m_opened; + QString m_sServer, m_sOldServer; + QString m_sUser, m_sOldUser; + QString m_sPass, m_sOldPass; + QString m_hostname; + + KioSMTP::Capabilities mCapabilities; + + typedef QPtrQueue<KioSMTP::Command> CommandQueue; + CommandQueue mPendingCommandQueue; + CommandQueue mSentCommandQueue; +}; + +#endif // _SMTP_H |