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554 lines
14 KiB
554 lines
14 KiB
/*
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* xmpp.h - XMPP "core" library API
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* Copyright (C) 2003 Justin Karneges
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef XMPP_H
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#define XMPP_H
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#include<tqobject.h>
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#include<tqstring.h>
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#include<tqhostaddress.h>
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#include<tqstring.h>
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#include<tqcstring.h>
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#include<tqxml.h>
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#include<tqdom.h>
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namespace QCA
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{
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class TLS;
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}
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#ifndef CS_XMPP
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class ByteStream;
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#endif
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namespace XMPP
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{
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// CS_IMPORT_BEGIN cutestuff/bytestream.h
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#ifdef CS_XMPP
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class ByteStream;
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#endif
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// CS_IMPORT_END
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class Debug
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{
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public:
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virtual ~Debug();
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virtual void msg(const TQString &)=0;
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virtual void outgoingTag(const TQString &)=0;
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virtual void incomingTag(const TQString &)=0;
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virtual void outgoingXml(const TQDomElement &)=0;
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virtual void incomingXml(const TQDomElement &)=0;
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};
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void setDebug(Debug *);
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class Connector : public QObject
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{
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Q_OBJECT
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public:
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Connector(TQObject *parent=0);
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virtual ~Connector();
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virtual void connectToServer(const TQString &server)=0;
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virtual ByteStream *stream() const=0;
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virtual void done()=0;
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bool useSSL() const;
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bool havePeerAddress() const;
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TQHostAddress peerAddress() const;
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Q_UINT16 peerPort() const;
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signals:
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void connected();
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void error();
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protected:
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void setUseSSL(bool b);
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void setPeerAddressNone();
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void setPeerAddress(const TQHostAddress &addr, Q_UINT16 port);
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private:
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bool ssl;
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bool haveaddr;
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TQHostAddress addr;
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Q_UINT16 port;
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};
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class AdvancedConnector : public Connector
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{
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Q_OBJECT
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public:
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enum Error { ErrConnectionRefused, ErrHostNotFound, ErrProxyConnect, ErrProxyNeg, ErrProxyAuth, ErrStream };
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AdvancedConnector(TQObject *parent=0);
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virtual ~AdvancedConnector();
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class Proxy
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{
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public:
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enum { None, HttpConnect, HttpPoll, Socks };
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Proxy();
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~Proxy();
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int type() const;
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TQString host() const;
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Q_UINT16 port() const;
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TQString url() const;
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TQString user() const;
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TQString pass() const;
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int pollInterval() const;
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void setHttpConnect(const TQString &host, Q_UINT16 port);
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void setHttpPoll(const TQString &host, Q_UINT16 port, const TQString &url);
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void setSocks(const TQString &host, Q_UINT16 port);
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void setUserPass(const TQString &user, const TQString &pass);
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void setPollInterval(int secs);
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private:
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int t;
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TQString v_host, v_url;
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Q_UINT16 v_port;
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TQString v_user, v_pass;
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int v_poll;
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};
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void setProxy(const Proxy &proxy);
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void setOptHostPort(const TQString &host, Q_UINT16 port);
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void setOptProbe(bool);
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void setOptSSL(bool);
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void changePollInterval(int secs);
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void connectToServer(const TQString &server);
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ByteStream *stream() const;
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void done();
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int errorCode() const;
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signals:
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void srvLookup(const TQString &server);
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void srvResult(bool success);
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void httpSyncStarted();
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void httpSyncFinished();
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private slots:
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void dns_done();
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void srv_done();
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void bs_connected();
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void bs_error(int);
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void http_syncStarted();
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void http_syncFinished();
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private:
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class Private;
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Private *d;
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void cleanup();
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void do_resolve();
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void do_connect();
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void tryNextSrv();
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};
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class TLSHandler : public QObject
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{
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Q_OBJECT
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public:
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TLSHandler(TQObject *parent=0);
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virtual ~TLSHandler();
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virtual void reset()=0;
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virtual void startClient(const TQString &host)=0;
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virtual void write(const TQByteArray &a)=0;
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virtual void writeIncoming(const TQByteArray &a)=0;
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signals:
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void success();
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void fail();
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void closed();
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void readyRead(const TQByteArray &a);
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void readyReadOutgoing(const TQByteArray &a, int plainBytes);
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};
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class QCATLSHandler : public TLSHandler
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{
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Q_OBJECT
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public:
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QCATLSHandler(QCA::TLS *parent);
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~QCATLSHandler();
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QCA::TLS *tls() const;
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int tlsError() const;
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void reset();
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void startClient(const TQString &host);
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void write(const TQByteArray &a);
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void writeIncoming(const TQByteArray &a);
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signals:
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void tlsHandshaken();
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public slots:
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void continueAfterHandshake();
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private slots:
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void tls_handshaken();
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void tls_readyRead();
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void tls_readyReadOutgoing(int);
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void tls_closed();
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void tls_error(int);
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private:
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class Private;
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Private *d;
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};
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class Jid
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{
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public:
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Jid();
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~Jid();
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Jid(const TQString &s);
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Jid(const char *s);
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Jid & operator=(const TQString &s);
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Jid & operator=(const char *s);
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void set(const TQString &s);
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void set(const TQString &domain, const TQString &node, const TQString &resource="");
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void setDomain(const TQString &s);
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void setNode(const TQString &s);
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void setResource(const TQString &s);
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const TQString & domain() const { return d; }
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const TQString & node() const { return n; }
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const TQString & resource() const { return r; }
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const TQString & bare() const { return b; }
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const TQString & full() const { return f; }
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Jid withNode(const TQString &s) const;
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Jid withResource(const TQString &s) const;
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bool isValid() const;
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bool isEmpty() const;
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bool compare(const Jid &a, bool compareRes=true) const;
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static bool validDomain(const TQString &s, TQString *norm=0);
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static bool validNode(const TQString &s, TQString *norm=0);
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static bool validResource(const TQString &s, TQString *norm=0);
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// TODO: kill these later
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const TQString & host() const { return d; }
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const TQString & user() const { return n; }
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const TQString & userHost() const { return b; }
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private:
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void reset();
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void update();
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TQString f, b, d, n, r;
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bool valid;
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};
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class Stream;
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class Stanza
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{
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public:
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enum Kind { Message, Presence, IQ };
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enum ErrorType { Cancel, Continue, Modify, Auth, Wait };
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enum ErrorCond
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{
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BadRequest,
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Conflict,
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FeatureNotImplemented,
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Forbidden,
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InternalServerError,
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ItemNotFound,
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JidMalformed,
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NotAllowed,
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PaymentRequired,
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RecipientUnavailable,
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RegistrationRequired,
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ServerNotFound,
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ServerTimeout,
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ResourceConstraint,
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ServiceUnavailable,
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SubscriptionRequired,
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UndefinedCondition,
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UnexpectedRequest
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};
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Stanza();
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Stanza(const Stanza &from);
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Stanza & operator=(const Stanza &from);
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virtual ~Stanza();
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class Error
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{
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public:
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Error(int type=Cancel, int condition=UndefinedCondition, const TQString &text="", const TQDomElement &appSpec=TQDomElement());
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int type;
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int condition;
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TQString text;
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TQDomElement appSpec;
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};
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bool isNull() const;
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TQDomElement element() const;
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TQString toString() const;
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TQDomDocument & doc() const;
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TQString baseNS() const;
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TQString xhtmlImNS() const;
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TQString xhtmlNS() const;
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TQDomElement createElement(const TQString &ns, const TQString &tagName);
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TQDomElement createTextElement(const TQString &ns, const TQString &tagName, const TQString &text);
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TQDomElement createXHTMLElement(const TQString &xHTML);
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void appendChild(const TQDomElement &e);
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Kind kind() const;
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void setKind(Kind k);
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Jid to() const;
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Jid from() const;
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TQString id() const;
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TQString type() const;
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TQString lang() const;
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void setTo(const Jid &j);
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void setFrom(const Jid &j);
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void setId(const TQString &id);
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void setType(const TQString &type);
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void setLang(const TQString &lang);
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Error error() const;
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void setError(const Error &err);
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void clearError();
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private:
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friend class Stream;
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Stanza(Stream *s, Kind k, const Jid &to, const TQString &type, const TQString &id);
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Stanza(Stream *s, const TQDomElement &e);
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class Private;
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Private *d;
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};
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class Stream : public QObject
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{
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Q_OBJECT
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public:
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enum Error { ErrParse, ErrProtocol, ErrStream, ErrCustom = 10 };
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enum StreamCond {
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GenericStreamError,
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Conflict,
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ConnectionTimeout,
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InternalServerError,
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InvalidFrom,
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InvalidXml,
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PolicyViolation,
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ResourceConstraint,
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SystemShutdown
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};
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Stream(TQObject *parent=0);
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virtual ~Stream();
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virtual TQDomDocument & doc() const=0;
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virtual TQString baseNS() const=0;
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virtual TQString xhtmlImNS() const=0;
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virtual TQString xhtmlNS() const=0;
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virtual bool old() const=0;
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virtual void close()=0;
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virtual bool stanzaAvailable() const=0;
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virtual Stanza read()=0;
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virtual void write(const Stanza &s)=0;
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virtual int errorCondition() const=0;
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virtual TQString errorText() const=0;
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virtual TQDomElement errorAppSpec() const=0;
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Stanza createStanza(Stanza::Kind k, const Jid &to="", const TQString &type="", const TQString &id="");
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Stanza createStanza(const TQDomElement &e);
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static TQString xmlToString(const TQDomElement &e, bool clip=false);
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signals:
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void connectionClosed();
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void delayedCloseFinished();
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void readyRead();
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void stanzaWritten();
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void error(int);
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};
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class ClientStream : public Stream
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{
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Q_OBJECT
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public:
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enum Error {
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ErrConnection = ErrCustom, // Connection error, ask Connector-subclass what's up
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ErrNeg, // Negotiation error, see condition
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ErrTLS, // TLS error, see condition
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ErrAuth, // Auth error, see condition
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ErrSecurityLayer, // broken SASL security layer
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ErrBind // Resource binding error
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};
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enum Warning {
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WarnOldVersion, // server uses older XMPP/Jabber "0.9" protocol
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WarnNoTLS // there is no chance for TLS at this point
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};
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enum NegCond {
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HostGone, // host no longer hosted
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HostUnknown, // unknown host
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RemoteConnectionFailed, // unable to connect to a required remote resource
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SeeOtherHost, // a 'redirect', see errorText() for other host
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UnsupportedVersion // unsupported XMPP version
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};
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enum TLSCond {
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TLSStart, // server rejected STARTTLS
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TLSFail // TLS failed, ask TLSHandler-subclass what's up
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};
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enum SecurityLayer {
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LayerTLS,
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LayerSASL
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};
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enum AuthCond {
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GenericAuthError, // all-purpose "can't login" error
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NoMech, // No appropriate auth mech available
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BadProto, // Bad SASL auth protocol
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BadServ, // Server failed mutual auth
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EncryptionRequired, // can't use mech without TLS
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InvalidAuthzid, // bad input JID
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InvalidMech, // bad mechanism
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InvalidRealm, // bad realm
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MechTooWeak, // can't use mech with this authzid
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NotAuthorized, // bad user, bad password, bad creditials
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TemporaryAuthFailure // please try again later!
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};
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enum BindCond {
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BindNotAllowed, // not allowed to bind a resource
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BindConflict // resource in-use
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};
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ClientStream(Connector *conn, TLSHandler *tlsHandler=0, TQObject *parent=0);
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ClientStream(const TQString &host, const TQString &defRealm, ByteStream *bs, QCA::TLS *tls=0, TQObject *parent=0); // server
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~ClientStream();
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Jid jid() const;
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void connectToServer(const Jid &jid, bool auth=true);
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void accept(); // server
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bool isActive() const;
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bool isAuthenticated() const;
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// login params
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void setUsername(const TQString &s);
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void setPassword(const TQString &s);
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void setRealm(const TQString &s);
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void continueAfterParams();
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// SASL information
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TQString saslMechanism() const;
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int saslSSF() const;
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// binding
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void setResourceBinding(bool);
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// security options (old protocol only uses the first !)
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void setAllowPlain(bool);
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void setRequireMutualAuth(bool);
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void setSSFRange(int low, int high);
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void setOldOnly(bool);
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void setSASLMechanism(const TQString &s);
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void setLocalAddr(const TQHostAddress &addr, Q_UINT16 port);
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// reimplemented
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TQDomDocument & doc() const;
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TQString baseNS() const;
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TQString xhtmlImNS() const;
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TQString xhtmlNS() const;
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bool old() const;
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void close();
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bool stanzaAvailable() const;
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Stanza read();
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void write(const Stanza &s);
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int errorCondition() const;
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TQString errorText() const;
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TQDomElement errorAppSpec() const;
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// extra
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void writeDirect(const TQString &s);
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void setNoopTime(int mills);
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signals:
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void connected();
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void securityLayerActivated(int);
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void needAuthParams(bool user, bool pass, bool realm);
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void authenticated();
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void warning(int);
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void incomingXml(const TQString &s);
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void outgoingXml(const TQString &s);
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public slots:
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void continueAfterWarning();
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private slots:
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void cr_connected();
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void cr_error();
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void bs_connectionClosed();
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void bs_delayedCloseFinished();
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void bs_error(int); // server only
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void ss_readyRead();
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void ss_bytesWritten(int);
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void ss_tlsHandshaken();
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void ss_tlsClosed();
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void ss_error(int);
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void sasl_clientFirstStep(const TQString &mech, const TQByteArray *clientInit);
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void sasl_nextStep(const TQByteArray &stepData);
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void sasl_needParams(bool user, bool authzid, bool pass, bool realm);
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void sasl_authCheck(const TQString &user, const TQString &authzid);
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void sasl_authenticated();
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void sasl_error(int);
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void doNoop();
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void doReadyRead();
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private:
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class Private;
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Private *d;
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void reset(bool all=false);
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void processNext();
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int convertedSASLCond() const;
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bool handleNeed();
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void handleError();
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void srvProcessNext();
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};
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}
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#endif
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