/*
* Copyright (c) 2010, 2011, 2012, Jonathan Schleifer <js@webkeks.org>
* Copyright (c) 2011, 2012, Florian Zeitz <florob@babelmonkeys.de>
*
* https://webkeks.org/hg/objxmpp/
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#import <ObjFW/ObjFW.h>
@class XMPPConnection;
@class XMPPJID;
@class XMPPIQ;
@class XMPPMessage;
@class XMPPPresence;
@class XMPPAuthenticator;
@class SSLSocket;
@class XMPPMulticastDelegate;
/**
* \brief A protocol should be (partially) implemented
* by delegates of a XMPPConnection
*/
@protocol XMPPConnectionDelegate
#ifndef XMPP_CONNECTION_M
<OFObject>
#endif
#ifdef OF_HAVE_OPTIONAL_PROTOCOLS
@optional
#endif
/**
* This callback is called when the connection received an element
*
* \param connection The connection that received the element
* \param element The element that was received
*/
- (void)connection: (XMPPConnection*)connection
didReceiveElement: (OFXMLElement*)element;
/**
* This callback is called when the connection sent an element
*
* \param connection The connection that sent the element
* \param element The element that was sent
*/
- (void)connection: (XMPPConnection*)connection
didSendElement: (OFXMLElement*)element;
/**
* This callback is called when the connection sucessfully authenticated
*
* \param connection The connection that was authenticated
*/
- (void)connectionWasAuthenticated: (XMPPConnection*)connection;
/**
* This callback is called when the connection was bound to a JID
*
* \param connection The connection that was bound to a JID
* \param JID The JID the conecction was bound to
*/
- (void)connection: (XMPPConnection*)connection
wasBoundToJID: (XMPPJID*)JID;
/**
* This callback is called when the connection received an IQ stanza
*
* \param connection The connection that received the stanza
* \param iq The IQ stanza that was received
*/
- (BOOL)connection: (XMPPConnection*)connection
didReceiveIQ: (XMPPIQ*)iq;
/**
* This callback is called when the connection received a presence stanza
*
* \param connection The connection that received the stanza
* \param presence The presence stanza that was received
*/
- (void)connection: (XMPPConnection*)connection
didReceivePresence: (XMPPPresence*)presence;
/**
* This callback is called when the connection received a message stanza
*
* \param connection The connection that received the stanza
* \param message The message stanza that was received
*/
- (void)connection: (XMPPConnection*)connection
didReceiveMessage: (XMPPMessage*)message;
/**
* This callback is called when the connection was closed
*
* \param connection The connection that was closed
*/
- (void)connectionWasClosed: (XMPPConnection*)connection;
/**
* This callback is called when the connection is about to upgraded to TLS
*
* \param connection The connection that will upgraded to TLS
*/
- (void)connectionWillUpgradeToTLS: (XMPPConnection*)connection;
/**
* This callback is called when the connection was upgraded to use TLS
*
* \param connection The connection that was upgraded to TLS
*/
- (void)connectionDidUpgradeToTLS: (XMPPConnection*)connection;
@end
/**
* \brief A class which abstracts a connection to an XMPP service.
*/
@interface XMPPConnection: OFObject
#ifdef OF_HAVE_OPTONAL_PROTOCOLS
<OFXMLParserDelegate, OFXMLElementBuilderDelegate>
#endif
{
id sock;
OFXMLParser *parser, *oldParser;
OFXMLElementBuilder *elementBuilder, *oldElementBuilder;
OFString *username, *password, *server, *resource;
OFString *privateKeyFile, *certificateFile;
OFString *domain, *domainToASCII;
XMPPJID *JID;
uint16_t port;
XMPPMulticastDelegate *delegates;
OFMutableDictionary *callbacks;
XMPPAuthenticator *authModule;
BOOL streamOpen;
BOOL needsSession;
BOOL encryptionRequired, encrypted;
unsigned int lastID;
}
#ifdef OF_HAVE_PROPERTIES
@property (copy) OFString *username, *password, *server, *domain, *resource;
@property (copy) OFString *privateKeyFile, *certificateFile;
@property (copy, readonly) XMPPJID *JID;
@property (assign) uint16_t port;
@property (readonly, retain, getter=socket) OFTCPSocket *sock;
@property (assign) BOOL encryptionRequired;
@property (readonly) BOOL encrypted;
@property (readonly) BOOL streamOpen;
#endif
/**
* \return A new autoreleased XMPPConnection
*/
+ connection;
/**
* Adds the specified delegate.
*
* \param delegate The delegate to add
*/
- (void)addDelegate: (id <XMPPConnectionDelegate>)delegate;
/**
* Removes the specified delegate.
*
* \param delegate The delegate to remove
*/
- (void)removeDelegate: (id <XMPPConnectionDelegate>)delegate;
/**
* Connects to the XMPP service.
*/
- (void)connect;
/**
* Closes the stream to the XMPP service
*/
- (void)close;
/**
* Checks the certificate presented by the server.
* Throws SSLInvalidCertificateException on failure.
*/
- (void)checkCertificate;
/**
* Starts a loop handling incomming data.
*/
- (void)handleConnection;
/**
* Parses the specified buffer.
*
* This is useful for handling multiple connections at once.
*
* \param buffer The buffer to parse
* \param length The length of the buffer. If length is 0, it is assumed that
* the connection was closed.
*/
- (void)parseBuffer: (const char*)buffer
withLength: (size_t)length;
/**
* \return The socket used by the XMPPConnection
*/
- (OFTCPSocket*)socket;
/**
* \return Whether encryption is encrypted
*/
- (BOOL)encryptionRequired;
/**
* Sets whether encryption is required.
*
* \param required Whether encryption is required
*/
- (void)setEncryptionRequired: (BOOL)required;
/**
* \return Whether the connection is encrypted
*/
- (BOOL)encrypted;
/**
* Sends an OFXMLElement, usually an XMPPStanza.
*
* \param element The element to send
*/
- (void)sendStanza: (OFXMLElement*)element;
/**
* Sends an XMPPIQ, registering a callback method
*
* \param object The object that contains the callback method
* \param selector The selector of the callback method,
* must take exactly one parameter of type XMPPIQ*
*/
- (void)sendIQ: (XMPPIQ*)iq
withCallbackObject: (id)object
selector: (SEL)selector;
#ifdef OF_HAVE_BLOCKS
/**
* Sends an XMPPIQ, registering a callback block
*
* \param callback The callback block
*/
- (void)sendIQ: (XMPPIQ*)iq
withCallbackBlock: (void(^)(XMPPIQ*))block;
#endif
/**
* Generates a new, unique stanza ID.
*
* \return A new, generated, unique stanza ID.
*/
- (OFString*)generateStanzaID;
- (void)setUsername: (OFString*)username;
- (OFString*)username;
- (void)setPassword: (OFString*)password;
- (OFString*)password;
- (void)setServer: (OFString*)server;
- (OFString*)server;
- (void)setDomain: (OFString*)domain;
- (OFString*)domain;
- (void)setResource: (OFString*)resource;
- (OFString*)resource;
- (XMPPJID*)JID;
- (void)setPort: (uint16_t)port;
- (uint16_t)port;
- (void)XMPP_startStream;
- (void)XMPP_handleStream: (OFXMLElement*)element;
- (void)XMPP_handleTLS: (OFXMLElement*)element;
- (void)XMPP_handleSASL: (OFXMLElement*)element;
- (void)XMPP_handleStanza: (OFXMLElement*)element;
- (void)XMPP_sendAuth: (OFString*)authName;
- (void)XMPP_sendResourceBind;
- (void)XMPP_sendStreamError: (OFString*)condition
text: (OFString*)text;
- (void)XMPP_handleIQ: (XMPPIQ*)iq;
- (void)XMPP_handleMessage: (XMPPMessage*)message;
- (void)XMPP_handlePresence: (XMPPPresence*)presence;
- (void)XMPP_handleFeatures: (OFXMLElement*)element;
- (void)XMPP_handleResourceBind: (XMPPIQ*)iq;
- (void)XMPP_sendSession;
- (void)XMPP_handleSession: (XMPPIQ*)iq;
- (OFString*)XMPP_IDNAToASCII: (OFString*)domain;
- (XMPPMulticastDelegate*)XMPP_delegates;
@end
@interface OFObject (XMPPConnectionDelegate) <XMPPConnectionDelegate>
@end