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+ (instancetype)discoEntityWithConnection: (XMPPConnection *)connection
capsNode: (OFString *)capsNode
{
return [[[self alloc] initWithConnection: connection
capsNode: capsNode] autorelease];
}
- initWithConnection: (XMPPConnection *)connection
{
return [self initWithConnection: connection
capsNode: nil];
}
- initWithJID: (XMPPJID *)JID
node: (nullable OFString *)node
name: (nullable OFString *)name
{
OF_INVALID_INIT_METHOD
}
- initWithConnection: (XMPPConnection *)connection
capsNode: (OFString *)capsNode
{
self = [super initWithJID: [connection JID]
node: nil
name: nil];
@try {
_discoNodes = [[OFMutableDictionary alloc] init];
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+ (instancetype)discoEntityWithConnection: (XMPPConnection *)connection
capsNode: (OFString *)capsNode
{
return [[[self alloc] initWithConnection: connection
capsNode: capsNode] autorelease];
}
- (instancetype)initWithConnection: (XMPPConnection *)connection
{
return [self initWithConnection: connection
capsNode: nil];
}
- (instancetype)initWithJID: (XMPPJID *)JID
node: (nullable OFString *)node
name: (nullable OFString *)name
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithConnection: (XMPPConnection *)connection
capsNode: (OFString *)capsNode
{
self = [super initWithJID: [connection JID]
node: nil
name: nil];
@try {
_discoNodes = [[OFMutableDictionary alloc] init];
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{
[_discoNodes setObject: node
forKey: [node node]];
}
- (OFString *)capsHash
{
OFEnumerator *enumerator;
XMPPDiscoIdentity *identity;
OFString *feature;
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 = [OFData dataWithItems: [hash digest]
count: [[hash class] digestSize]];
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<
<
<
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<
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<
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{
[_discoNodes setObject: node
forKey: [node node]];
}
- (OFString *)capsHash
{
OFMutableString *caps = [OFMutableString string];
OFSHA1Hash *hash = [OFSHA1Hash cryptoHash];
OFData *digest;
for (XMPPDiscoIdentity *identity in _identities)
[caps appendFormat: @"%@/%@//%@<", [identity category],
[identity type], [identity name]];
for (OFString *feature in _features)
[caps appendFormat: @"%@<", feature];
[hash updateWithBuffer: [caps UTF8String]
length: [caps UTF8StringLength]];
digest = [OFData dataWithItems: [hash digest]
count: [[hash class] digestSize]];
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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
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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
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