ObjXMPP  Diff

#import "XMPPPresence.h"
#import "XMPPExceptions.h"

#define NS_BIND @"urn:ietf:params:xml:ns:xmpp-bind"
#define NS_CLIENT @"jabber:client"
#define NS_SASL @"urn:ietf:params:xml:ns:xmpp-sasl"
#define NS_STARTTLS @"urn:ietf:params:xml:ns:xmpp-tls"
#define NS_SESSION @"urn:ietf:params:xml:ns:xmpp-session"
#define NS_STREAM @"http://etherx.jabber.org/streams"

@implementation XMPPConnection
@synthesize username, password, server, resource, JID, port, useTLS, delegate;

- init
{

		size_t len = [sock readNBytes: 512
				   intoBuffer: buf];

		if (len < 1 && [delegate respondsToSelector:
		    @selector(connectionWasClosed:)])
			[delegate connectionWasClosed: self];



		[parser parseBuffer: buf
			   withSize: len];
	}
}

- (void)sendStanza: (OFXMLElement*)elem
{
	of_log(@"Out: %@", elem);
	[sock writeString: [elem stringValue]];
}

-    (void)parser: (OFXMLParser*)p
  didStartElement: (OFString*)name
       withPrefix: (OFString*)prefix
	namespace: (OFString*)ns

	if (resource)
		[bind addChild: [OFXMLElement elementWithName: @"resource"
						  stringValue: resource]];
	[iq addChild: bind];

	[self sendStanza: iq];
}

- (void)_sendSession
{
	XMPPIQ *iq = [XMPPIQ IQWithType: @"set"
				     ID: @"session0"];
	[iq addChild: [OFXMLElement elementWithName: @"session"
					  namespace: NS_SESSION]];
	[self sendStanza: iq];
}

- (void)_handleResourceBind: (XMPPIQ*)iq
{
	OFXMLElement *bindElem = iq.children.firstObject;
	OFXMLElement *jidElem;

	if (![bindElem.name isEqual: @"bind"] ||
	    ![bindElem.namespace isEqual: NS_BIND])
		assert(0);

	jidElem = bindElem.children.firstObject;
	JID = [[XMPPJID alloc] initWithString:
	    [jidElem.children.firstObject stringValue]];

	if (needsSession) {
		[self _sendSession];
		return;
	}

	if ([delegate respondsToSelector: @selector(connection:wasBoundToJID:)])
		    [delegate connection: self
			   wasBoundToJID: JID];
}

- (void)_handleSession
{
	if ([delegate respondsToSelector: @selector(connection:wasBoundToJID:)])
		    [delegate connection: self
			   wasBoundToJID: JID];
}

- (void)_handleFeatures: (OFXMLElement*)elem
{
	OFXMLElement *starttls = [elem
	    elementsForName: @"starttls"
		  namespace: NS_STARTTLS].firstObject;
	OFXMLElement *bind = [elem elementsForName: @"bind"
					 namespace: NS_BIND].firstObject;
	OFXMLElement *session = [elem elementsForName: @"session"
					    namespace: NS_SESSION].firstObject;
	OFArray *mechs = [elem elementsForName: @"mechanisms"
				     namespace: NS_SASL];
	OFMutableArray *mechanisms = [OFMutableArray array];

	if (starttls != nil) {
		[self sendStanza: [OFXMLElement elementWithName: @"starttls"
						      namespace: NS_STARTTLS]];
		return;
	}

	if ([mechs count] > 0) {
		for (OFXMLElement *mech in [mechs.firstObject children])
			[mechanisms addObject:
			    [mech.children.firstObject stringValue]];

		if ([mechanisms containsObject: @"SCRAM-SHA-1"]) {
			authModule = [[XMPPSCRAMAuth alloc]
			    initWithAuthcid: username
				   password: password
				       hash: [OFSHA1Hash class]];
			[self _sendAuth: @"SCRAM-SHA-1"];
			return;
		}

		if ([mechanisms containsObject: @"PLAIN"]) {
			authModule = [[XMPPPLAINAuth alloc]
			    initWithAuthcid: username
				   password: password];
			[self _sendAuth: @"PLAIN"];
			return;
		}

		assert(0);
	}

	if (session != nil)
		needsSession = YES;

	if (bind != nil) {
		[self _sendResourceBind];
		return;
	}

	assert(0);
}

- (void)_handleIQ: (XMPPIQ*)iq
{
	// FIXME: More checking!
	if ([iq.ID isEqual: @"bind0"] && [iq.type isEqual: @"result"]) {
		[self _handleResourceBind: iq];
		return;
	}

	if ([iq.ID isEqual: @"session0"] && [iq.type isEqual: @"result"]) {
		[self _handleSession];
		return;
	}

	if ([delegate respondsToSelector: @selector(connection:didReceiveIQ:)])
		    [delegate connection: self
			    didReceiveIQ: iq];
}

- (void)_handleMessage: (XMPPMessage*)msg

- (void)elementBuilder: (OFXMLElementBuilder*)b
       didBuildElement: (OFXMLElement*)elem
{
	elem.defaultNamespace = NS_CLIENT;
	[elem setPrefix: @"stream"
	   forNamespace: NS_STREAM];

	of_log(@"In:  %@", elem);

	if ([elem.namespace isEqual: NS_CLIENT]) {
		if ([elem.name isEqual: @"iq"]) {
			[self _handleIQ: [XMPPIQ stanzaWithElement: elem]];
			return;
		}