/*
* Copyright (c) 2013, Florian Zeitz <florob@babelmonkeys.de>
*
* https://webkeks.org/git/?p=objxmpp.git
*
* 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 "XMPPDiscoEntity.h"
#import "XMPPDiscoIdentity.h"
#import "XMPPIQ.h"
#import "namespaces.h"
@implementation XMPPDiscoEntity
+ (instancetype)discoEntityWithConnection: (XMPPConnection*)connection
{
return [[[self alloc] initWithConnection: connection] autorelease];
}
+ (instancetype)discoEntityWithConnection: (XMPPConnection*)connection
capsNode: (OFString*)capsNode
{
return [[[self alloc] initWithConnection: connection
capsNode: capsNode] autorelease];
}
- initWithConnection: (XMPPConnection*)connection
{
return [self initWithConnection: connection
capsNode: nil];
}
- initWithConnection: (XMPPConnection*)connection
capsNode: (OFString*)capsNode
{
self = [super initWithJID: [connection JID]
node: nil];
@try {
_discoNodes = [[OFMutableDictionary alloc] init];
_connection = connection;
_capsNode = [capsNode copy];
[_connection addDelegate: self];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_connection removeDelegate: self];
[_discoNodes release];
[super dealloc];
}
- (OFDictionary*)discoNodes;
{
OF_GETTER(_discoNodes, true)
}
- (void)addDiscoNode: (XMPPDiscoNode*)node
{
[_discoNodes setObject: node
forKey: [node node]];
}
- (OFString*)capsNode
{
OF_GETTER(_capsNode, true)
}
- (OFString*)capsHash
{
OFEnumerator *enumerator;
XMPPDiscoIdentity *identity;
OFString *feature;
OFMutableString *caps = [OFMutableString string];
OFSHA1Hash *hash = [OFSHA1Hash hash];
OFDataArray *digest = [OFDataArray dataArray];
enumerator = [_identities objectEnumerator];
while ((identity = [enumerator nextObject]) != nil)
[caps appendFormat: @"%@/%@//%@<", [identity category],
[identity type], [identity name]];
enumerator = [_features objectEnumerator];
while ((feature = [enumerator nextObject]) != nil)
[caps appendFormat: @"%@<", feature];
[hash updateWithBuffer: [caps UTF8String]
length: [caps UTF8StringLength]];
[digest addItems: [hash digest]
count: [OFSHA1Hash digestSize]];
return [digest stringByBase64Encoding];
}
- (void)connection: (XMPPConnection*)connection
wasBoundToJID: (XMPPJID*)JID
{
_JID = [JID copy];
}
- (bool)connection: (XMPPConnection*)connection
didReceiveIQ: (XMPPIQ*)IQ
{
if (![[IQ to] isEqual: _JID])
return false;
OFXMLElement *query = [IQ elementForName: @"query"
namespace: XMPP_NS_DISCO_ITEMS];
if (query != nil) {
OFString *node =
[[query attributeForName: @"node"] stringValue];
if (node == nil)
return [self XMPP_handleItemsIQ: IQ
connection: connection];
XMPPDiscoNode *responder = [_discoNodes objectForKey: node];
if (responder != nil)
return [responder XMPP_handleItemsIQ: IQ
connection: connection];
return false;
}
query = [IQ elementForName: @"query"
namespace: XMPP_NS_DISCO_INFO];
if (query != nil) {
OFString *node =
[[query attributeForName: @"node"] stringValue];
if (node == nil)
return [self XMPP_handleInfoIQ: IQ
connection: connection];
OFString *capsNode = [_capsNode stringByAppendingFormat: @"#%@",
[self capsHash]];
if ([capsNode isEqual: node])
return [self XMPP_handleInfoIQ: IQ
connection: connection];
XMPPDiscoNode *responder = [_discoNodes objectForKey: node];
if (responder != nil)
return [responder XMPP_handleInfoIQ: IQ
connection: connection];
return false;
}
return false;
}
@end