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131 lines
4.1 KiB
131 lines
4.1 KiB
/* This file is part of KDE
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Copyright (C) 2000 by Wolfram Diestel <wolfram@steloj.de>
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Copyright (C) 2005 by Tim Way <tim@way.hrcoxmail.com>
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Copyright (C) 2005 by Volker Krause <volker.krause@rwth-aachen.de>
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This is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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*/
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#ifndef _NNTP_H
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#define _NNTP_H
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#include <tqstring.h>
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#include <tdeio/global.h>
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#include <tdeio/tcpslavebase.h>
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#define MAX_PACKET_LEN 4096
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/* TODO:
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- test special post command
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- progress information in get, and maybe post
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- remove unnecessary debug stuff
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*/
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class NNTPProtocol:public TDEIO::TCPSlaveBase
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{
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public:
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/** Default Constructor
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* @param isSSL is a true or false to indicate whether ssl is to be used
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*/
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NNTPProtocol ( const TQCString & pool, const TQCString & app, bool isSSL );
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virtual ~NNTPProtocol();
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virtual void get(const KURL& url );
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virtual void put( const KURL& url, int permissions, bool overwrite, bool resume );
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virtual void stat(const KURL& url );
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virtual void listDir(const KURL& url );
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virtual void setHost(const TQString& host, int port,
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const TQString& user, const TQString& pass);
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/**
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* Special command: 1 = post article
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* it takes no other args, the article data are
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* requested by dataReq() and should be valid
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* as in RFC850. It's not checked for correctness here.
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* @deprecated use put() for posting
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*/
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virtual void special(const TQByteArray& data);
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protected:
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/**
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* Send a command to the server. Returns the response code and
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* the response line
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*/
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int sendCommand( const TQString &cmd );
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/**
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* Attempt to properly shut down the NNTP connection by sending
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* "QUIT\r\n" before closing the socket.
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*/
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void nntp_close ();
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/**
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* Attempt to initiate a NNTP connection via a TCP socket, if no existing
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* connection could be reused.
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*/
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bool nntp_open();
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/**
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* Post article. Invoked by special() and put()
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*/
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bool post_article();
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private:
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TQString mHost, mUser, mPass;
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bool postingAllowed, opened;
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char readBuffer[MAX_PACKET_LEN];
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ssize_t readBufferLen;
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/**
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* Fetch all new groups since the given date or (if the date is empty)
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* all available groups.
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* @param since Date as specified in RFC 977 for the NEWGROUPS command
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*/
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void fetchGroups( const TQString &since );
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/**
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* Fetch message listing from the given newsgroup.
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* This will use RFC2980 XOVER if available, plain RFC977 STAT/NEXT
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* otherwise.
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* @param group The newsgroup name
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* @param first Serial number of the first message, 0 lists all messages.
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* @return true on sucess, false otherwise.
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*/
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bool fetchGroup ( TQString &group, unsigned long first = 0 );
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/**
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* Fetch message listing from the current group using RFC977 STAT/NEXT
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* commands.
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* @param first message number of the first article
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* @return true on sucess, false otherwise.
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*/
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bool fetchGroupRFC977( unsigned long first );
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/**
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* Fetch message listing from the current group using the RFC2980 XOVER
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* command.
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* Additional headers provided by XOVER are added as UDS_EXTRA entries
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* to the listing.
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* @param first message number of the first article
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* @param notSupported boolean reference to indicate if command failed
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* due to missing XOVER support on the server.
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* @return true on sucess, false otherwise
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*/
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bool fetchGroupXOVER( unsigned long first, bool ¬Supported );
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/// creates an UDSEntry with file information used in stat and listDir
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void fillUDSEntry ( TDEIO::UDSEntry & entry, const TQString & name, long size,
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bool postingAllowed, bool is_article );
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/// error handling for unexpected responses
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void unexpected_response ( int res_code, const TQString & command );
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/**
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* grabs the response line from the server. used after most send_cmd calls. max
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* length for the returned string ( char *data ) is 4096 characters including
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* the "\r\n" terminator.
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*/
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int evalResponse ( char *data, ssize_t &len );
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};
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#endif
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