sipcall.cpp

KphoneSI (kpsi) is a SIP (Session Initiation Protocol) user agent for Linux, with which you can in

	proxyauthresponse=QString::null;
	authresponse=QString::null;
	if( !username.isEmpty() && !password.isEmpty() &&
	    ( authstate == authState_AuthenticationRequired ||
	    authstate == authState_AuthenticationRequiredWithNewPassword|| authstate == SipCallMember::authState_AuthenticationOK  ) ) {
		if( authtype == DigestAuthenticationRequired ) {
			authresponse = Sip::getDigestResponse(
				username, password, "MESSAGE", getContactUri().theUri(), proxyauthstr,1 );
		} else if( authtype == ProxyDigestAuthenticationRequired ) {
			proxyauthresponse = Sip::getDigestResponse(
				username, password, "MESSAGE", getContactUri().theUri(), proxyauthstr,1 );
		} else if( authtype == ProxyBasicAuthenticationRequired ) {
			proxyauthresponse = Sip::getBasicResponse( username, password );
		}
		local = call->newRequest( this, Sip::MESSAGE, localsessiondesc, localsessiontype,
			SipUri::null, proxyauthresponse,authresponse, localExpiresTime );
	} else {
		local = call->newRequest( this, Sip::MESSAGE, localsessiondesc, localsessiontype,
			SipUri::null, QString::null, QString::null, localExpiresTime );
	}
	if( localExpiresTime > 0 ) {
		timer->start( localExpiresTime * 900, TRUE );
	}
	if( local ) {
		op = opRequest;
		if( authstate == authState_AuthenticationRequired ||
		    authstate == authState_AuthenticationRequiredWithNewPassword ) {
			authstate = authState_AuthenticationTryingWithPassword;
		} else {
			authstate = authState_AuthenticationTrying;
		}
		connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	}
}

void SipCallMember::requestAuthMessage( void )
{
    challengeCounter++;
    statusUpdated( this );
}

void SipCallMember::handlingMessageResponse( void )
{
	QString authstrtemp;
	if( local->wasCancelled() ) {
		state = state_Disconnected; statuscode = local->getStatus().getCode();
		op = opIdle;
		local = 0;
	} else if( local->getStatus().getCode() >= 200 ) {  // final response
		if( local->getStatus().getCode() < 300 ) {
		challengeCounter = 0;
		} else {
			if(local->getStatus().getCode() == 407){
				proxyauthstr = local->getFinalProxyAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = ProxyDigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}
				if( authstate == authState_AuthenticationTryingWithPassword ) {
					authstate = authState_AuthenticationRequiredWithNewPassword;
				} else {
					authstate = authState_AuthenticationRequired;
				}
				requestAuthMessage();

				return;
			} else if(local->getStatus().getCode() == 401){
				proxyauthstr = local->getFinalWWWAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = DigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}
				if( authstate == authState_AuthenticationTryingWithPassword ) {
					authstate = authState_AuthenticationRequiredWithNewPassword;
				} else {
					authstate = authState_AuthenticationRequired;
				}
				requestAuthMessage();

				return;

			} else {
				state = state_Disconnected; statuscode = local->getStatus().getCode();
				challengeCounter = 0;
			}
		}
		op = opIdle;
		local = 0;
	} else {
		challengeCounter = 0;
		state = state_EarlyDialog;
	}
}

// Invite

bool  SipCallMember::requestInvite( const QString &body, const MimeContentType &bodytype )
{
 	callMemberType = Invite;
	localsessiondesc = body;
	localsessiontype = bodytype;
	state = state_InviteRequested;
	return sendRequestInvite(ourUsername, ourPassword);
}

bool  SipCallMember::requestReInvite( const QString &body, const MimeContentType &bodytype )
{
 	callMemberType = Invite;
	localsessiondesc = body;
	localsessiontype = bodytype;
	state =  state_ReInviteRequested;
	return sendRequestInvite(ourUsername, ourPassword);
}

bool SipCallMember::sendRequestInvite( QString username, QString password )
{	ourUsername=username;
	ourPassword=password;
	if( !username.isEmpty() && !password.isEmpty() &&
	    ( authstate == authState_AuthenticationRequired || authstate == authState_AuthenticationRequiredWithNewPassword || SipCallMember::authState_AuthenticationOK ) ) {
		ourUsername=username;
		ourPassword=password;
		proxyauthresponse=QString::null;
		authresponse=QString::null;
		if( authtype == DigestAuthenticationRequired ) {
			authresponse = Sip::getDigestResponse(
				username, password, "INVITE", getContactUri().theUri(), proxyauthstr,++nonceCounter );
		} else if( authtype == ProxyDigestAuthenticationRequired ) {
			proxyauthresponse = Sip::getDigestResponse(
				username, password, "INVITE", getContactUri().theUri(), proxyauthstr,++nonceCounter );
		} else if( authtype == ProxyBasicAuthenticationRequired ) {
			proxyauthresponse = Sip::getBasicResponse( username, password );
		}
		local = call->newRequest( this, Sip::INVITE, localsessiondesc, localsessiontype,
			SipUri::null, proxyauthresponse,authresponse, localExpiresTime );
	} else {
		local = call->newRequest( this, Sip::INVITE, localsessiondesc, localsessiontype,
			SipUri::null, QString::null, QString::null,localExpiresTime );
	}
	if( localExpiresTime > 0 ) {
		timer->start( localExpiresTime * 900, TRUE );
	}
	if( local ) {
	
		op = opRequest;
		if( authstate == authState_AuthenticationRequired ||
		    authstate == authState_AuthenticationRequiredWithNewPassword ) {
			authstate = authState_AuthenticationTryingWithPassword;
		} else if( authstate == SipCallMember::authState_AuthenticationOK) {
		;
		} else {
			authstate = authState_AuthenticationTrying;
		}
		connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	} else {
	    return false;
	}
return true;
}

void SipCallMember::requestAuthInvite( void )
{
	challengeCounter++;
	nonceCounter=0;
	statusUpdated( this );
}

void SipCallMember::handlingInviteResponse( void )
{
	QString authstrtemp;
	if( (state == state_Connected)  || (state == state_RequestingReInvite)){
		if( local->getStatus().getCode() >= 200 ) {
			if( local->getStatus().getCode() == 200 ) {
				statusdesc = "Response: " + local->getStatus().getReasonPhrase();
				challengeCounter = 0;
				statusUpdated( this );
								
			} else if( local->getStatus().getCode() == 401 ) {
				proxyauthstr = local->getFinalWWWAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = DigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}
				requestAuthInvite();

				return;
			
			} else if( local->getStatus().getCode() == 407 ) {
				proxyauthstr = local->getFinalProxyAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = ProxyDigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}
				requestAuthInvite();

				return;
			
			} else {
				challengeCounter = 0;
				state = state_Disconnected; statuscode = local->getStatus().getCode();
				statusdesc = "Response: " + local->getStatus().getReasonPhrase();
			}
			op = opIdle;
			local = 0;
		}
	} else if( state == state_Disconnecting ) {
		if( local->getStatus().getCode() >= 200 ) {
			
			if( local->getStatus().getCode() == 401 ) {
				proxyauthstr = local->getFinalWWWAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = DigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}
 				callMemberType = Disc;
				authstate=authState_AuthenticationRequired;
				requestAuthInvite();
				return;

			
			} else if( local->getStatus().getCode() == 407 ) {
				proxyauthstr = local->getFinalProxyAuthString();
				authstrtemp = proxyauthstr.lower();
				if( authstrtemp.contains( "digest" ) ) {
					authtype = ProxyDigestAuthenticationRequired;
				} else {
					authtype = ProxyBasicAuthenticationRequired;
				}	
				authstate=authState_AuthenticationRequired;
 				callMemberType = Disc;
				requestAuthInvite();
				return;

			} else {
				challengeCounter = 0;
				state = state_Disconnected; statuscode = local->getStatus().getCode();
				statusdesc = "Response: " + local->getStatus().getReasonPhrase();
			}
			op = opIdle;
			local = 0;
		}
	} else if( state == state_CancelPending ) {
		if( local->getStatus().getCode() == 408 ) {
			challengeCounter = 0;
			local->stopInviteRep();
		} else if( local->getStatus().getCode() == 200 ) {
			local = 0;
			challengeCounter = 0;
			requestDisconnect();
		} else if( local->getStatus().getCode() > 100 ) {
			challengeCounter = 0;
			local->cancelRequest();
			local = 0;
		}
		state = state_Disconnected; statuscode = local->getStatus().getCode();
	} else {
		if( local->wasCancelled() ) {
			challengeCounter = 0;
			state = state_Disconnected; statuscode = local->getStatus().getCode();
			op = opIdle;
			local = 0;
		} else if( local->getStatus().getCode() >= 200 ) {  // final response
			if( local->getStatus().getCode() < 300 ) {
				challengeCounter = 0;
				call->setCallStatus( SipCall::callInProgress );
				state = state_Connected;
				statusdesc = "Conn " + local->getStatus().getReasonPhrase();//KFl
			} else if( local->getStatus().getCode() < 400 ) {
				challengeCounter = 0;
				state = state_Redirected ;
				statusdesc = "Redir " + local->getStatus().getReasonPhrase();
				redirectlist = local->getFinalContactList();
			} else {
				if(local->getStatus().getCode() == 401){
					proxyauthstr = local->getFinalWWWAuthString();
					authstrtemp = proxyauthstr.lower();
					if( authstrtemp.contains( "digest" ) ) {
						authtype = DigestAuthenticationRequired;
					} else {
						authtype = ProxyBasicAuthenticationRequired;
					}
					if( authstate == authState_AuthenticationTryingWithPassword ||
					    authstate == authState_AuthenticationRequiredWithNewPassword ) {
						authstate = authState_AuthenticationRequiredWithNewPassword;
					} else {
						authstate = authState_AuthenticationRequired;
					}
					requestAuthInvite();

					return;
				} else if(local->getStatus().getCode() == 407){
					proxyauthstr = local->getFinalProxyAuthString();
					authstrtemp = proxyauthstr.lower();
					if( authstrtemp.contains( "digest" ) ) {
						authtype = ProxyDigestAuthenticationRequired;
					} else {
						authtype = ProxyBasicAuthenticationRequired;
					}
					if( authstate == authState_AuthenticationTryingWithPassword ||
					    authstate == authState_AuthenticationRequiredWithNewPassword ) {
						authstate = authState_AuthenticationRequiredWithNewPassword;
					} else {
						authstate = authState_AuthenticationRequired;
					}
					requestAuthInvite();

					return;

				} else {
					challengeCounter = 0;
					state = state_Disconnected;
					statuscode = local->getStatus().getCode();
					statusdesc = "!!Call Failed: " + local->getStatus().getReasonPhrase();
				}
			}
			op = opIdle;
			local = 0;
		} else {
			statusdesc = local->getStatus().getReasonPhrase();
			if( local->getStatus().getCode() != 100 ) {
			    challengeCounter = 0;	
			    state = state_EarlyDialog;
			} else if (challengeCounter >5) {
			    localStatusUpdated();
			}
		}
	}
}




void SipCallMember::sendRequestBye( QString username, QString password ) {
	if( !username.isEmpty() && !password.isEmpty() && ( authstate == authState_AuthenticationRequired || authstate == authState_AuthenticationRequiredWithNewPassword  || authstate == SipCallMember::authState_AuthenticationOK ) ) {
		ourUsername=username;
		ourPassword=password;
		proxyauthresponse=QString::null;
		authresponse=QString::null;
		if( authtype == DigestAuthenticationRequired ) {
			authresponse = Sip::getDigestResponse(
				username, password, "BYE", getContactUri().theUri(), proxyauthstr, ++nonceCounter);
		} else if( authtype == ProxyDigestAuthenticationRequired ) {
			proxyauthresponse = Sip::getDigestResponse(
				username, password, "BYE", getContactUri().theUri(), proxyauthstr, ++nonceCounter);
		} else if( authtype == ProxyBasicAuthenticationRequired ) {
			proxyauthresponse = Sip::getBasicResponse( username, password );
		}
		local = call->newRequest( this, Sip::BYE, QString::null,(MimeContentType) 0,
			SipUri::null, proxyauthresponse, authresponse,localExpiresTime );
	} else {
		local = call->newRequest( this, Sip::BYE,QString::null,(MimeContentType) 0,
			SipUri::null, QString::null,  QString::null,localExpiresTime );
	}
	if( localExpiresTime > 0 ) {
		timer->start( localExpiresTime * 900, TRUE );
	}
	if( local ) {
	
		op = opRequest;
		if( authstate == authState_AuthenticationRequired ||
		    authstate == authState_AuthenticationRequiredWithNewPassword ) {
			authstate = authState_AuthenticationTryingWithPassword;
		} else {
			authstate = authState_AuthenticationTrying;
		}
		connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	} else {
	}
}
// Bye
void SipCallMember::requestDisconnect( void )
{
	if( local ) {
		
		if( state != state_r202 ) local->cancelRequest();
		disconnect( local, 0, this, 0 );
	}
	state = state_Disconnecting;
	statusdesc = "Disconnecting";
	sendRequestBye( ourUsername, ourPassword );
	/*
	local = call->newRequest( this, Sip::BYE );
	if( local ) {
		connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	}
	*/	
}



void SipCallMember::requestRefer( bool shortTr,const SipUri &referto,
	const QString &body, const MimeContentType &bodytype )
{
	if( state == state_Disconnected ) return;
	    if(shortTr) {
		state = state_Disconnecting;
		statusdesc = "Transfering";
		local = call->newRequest( this, Sip::REFER, body, bodytype, referto );
		connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
		state = state_Disconnecting;
		statusdesc = "Disconnecting";
		local = call->newRequest( this, Sip::BYE );
		    if( local ) {
			connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
		    } 
	    } else {
		state = state_r202;
		statusdesc = "Transfering";
		local = call->newRequest( this, Sip::REFER, body, bodytype, referto );
		if( local ) {
		    connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	    }
	}
	
	statusUpdated( this );
}

/*
void SipCallMember::requestOptions( const QString &body, const MimeContentType &bodytype )
{
	if( local ) {
		local->cancelRequest();
		disconnect( local, 0, this, 0 );
	}
	statusdesc = "Querying options";
	local = call->newRequest( this, Sip::OPTIONS, body, bodytype );
	connect( local, SIGNAL( statusUpdated() ), this, SLOT( localStatusUpdated() ) );
	    statusUpdated( this );
}

*/

void SipCallMember::requestOptions( const QString &body, const MimeContentType &bodytype )
{
	if( local ) {
		local->cancelRequest();
		disconnect( local, 0, this, 0 );
	}
	callMemberType = Options;
	statusdesc = "Querying options";
	localsessiondesc = body;
	localsessiontype = bodytype;
	statusdesc = "Querying options";