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/*
* Copyright (c) 2011, Jonathan Schleifer <js@webkeks.org>
* Copyright (c) 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.
*
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* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#define XMPP_ROSTER_M
#include <assert.h>
#import "XMPPRoster.h"
#import "XMPPRosterItem.h"
#import "XMPPConnection.h"
#import "XMPPIQ.h"
#import "XMPPJID.h"
#import "XMPPMulticastDelegate.h"
#import "namespaces.h"
@implementation XMPPRoster
- initWithConnection: (XMPPConnection*)conn
- initWithConnection: (XMPPConnection*)connection_
{
self = [super init];
@try {
rosterItems = [[OFMutableDictionary alloc] init];
connection = connection_;
[connection addDelegate: self];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[rosterItems release];
[rosterID release];
- (void)XMPP_addRosterItem: (XMPPRosterItem*)rosterItem
{
return [self XMPP_updateRosterItem: rosterItem];
}
- (void)XMPP_updateRosterItem: (XMPPRosterItem*)rosterItem
{
[rosterItems setObject: rosterItem
forKey: [[rosterItem JID] bareJID]];
}
- (void)XMPP_deleteRosterItem: (XMPPRosterItem*)rosterItem
{
[rosterItems removeObjectForKey: [[rosterItem JID] bareJID]];
}
if (rosterID != nil)
assert(0);
rosterID = [[connection generateStanzaID] retain];
ID: rosterID];
ID: [connection generateStanzaID]];
[iq addChild: [OFXMLElement elementWithName: @"query"
namespace: XMPP_NS_ROSTER]];
[connection sendStanza: iq];
[connection sendIQ: iq
withCallbackObject: self
selector: @selector(XMPP_handleInitialRoster:)];
}
- (BOOL)connection: (XMPPConnection*)connection_
- (BOOL)handleIQ: (XMPPIQ*)iq
XMPPRosterItem *rosterItem = nil;
XMPPRosterItem *rosterItem;
OFString *subscription;
OFEnumerator *enumerator;
BOOL isPush = ![[iq ID] isEqual: rosterID];
if (isPush) {
if (![[iq type] isEqual: @"set"])
return NO;
} else {
if (![[iq type] isEqual: @"result"])
return NO;
}
enumerator = [[rosterElement children] objectEnumerator];
while ((element = [enumerator nextObject]) != nil) {
OFMutableArray *groups = [OFMutableArray array];
OFEnumerator *groupEnumerator;
OFXMLElement *groupElement;
if (![[element name] isEqual: @"item"] ||
![[element namespace] isEqual: XMPP_NS_ROSTER])
continue;
rosterItem = [XMPPRosterItem rosterItem];
[rosterItem setJID: [XMPPJID JIDWithString:
[[element attributeForName: @"jid"] stringValue]]];
[rosterItem setName:
[[element attributeForName: @"name"] stringValue]];
subscription = [[element attributeForName:
@"subscription"] stringValue];
if (![subscription isEqual: @"none"] &&
![subscription isEqual: @"to"] &&
![subscription isEqual: @"from"] &&
![subscription isEqual: @"both"] &&
(![subscription isEqual: @"remove"] || !isPush))
subscription = @"none";
[rosterItem setSubscription: subscription];
groupEnumerator = [[element
elementsForName: @"group"
namespace: XMPP_NS_ROSTER] objectEnumerator];
while ((groupElement = [groupEnumerator nextObject]) != nil)
[groups addObject: [groupElement stringValue]];
if ([groups count] > 0)
[rosterItem setGroups: groups];
if ([subscription isEqual: @"remove"])
if ([[rosterItem subscription] isEqual: @"remove"])
[self XMPP_deleteRosterItem: rosterItem];
else
[self XMPP_addRosterItem: rosterItem];
if (isPush) {
SEL sel = @selector(connection:didReceiveRosterItem:);
if ([delegate respondsToSelector:
@selector(roster:didReceiveRosterItem:)])
[delegate roster: self
[[connection XMPP_delegates]
broadcastSelector: sel
forConnection: connection
withObject: rosterItem];
}
}
if (isPush) {
[connection sendStanza: [iq resultIQ]];
} else {
[[connection XMPP_delegates]
broadcastSelector: @selector(connectionDidReceiveRoster:)
forConnection: connection];
[rosterID release];
rosterID = nil;
}
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stringValue: @"remove"];
[query addChild: item];
[iq addChild: query];
[connection sendStanza: iq];
}
- (void)setDelegate: (id <XMPPRosterDelegate>)delegate_
{
delegate = (id <XMPPRosterDelegate, OFObject>)delegate_;
}
- (id <XMPPRosterDelegate>)delegate
{
return delegate;
}
- (void)XMPP_addRosterItem: (XMPPRosterItem*)rosterItem
{
return [self XMPP_updateRosterItem: rosterItem];
}
- (void)XMPP_updateRosterItem: (XMPPRosterItem*)rosterItem
{
[rosterItems setObject: rosterItem
forKey: [[rosterItem JID] bareJID]];
}
- (void)XMPP_deleteRosterItem: (XMPPRosterItem*)rosterItem
{
[rosterItems removeObjectForKey: [[rosterItem JID] bareJID]];
}
- (XMPPRosterItem*)XMPP_rosterItemWithXMLElement: (OFXMLElement*)element
{
OFString *subscription;
OFEnumerator *groupEnumerator;
OFXMLElement *groupElement;
OFMutableArray *groups = [OFMutableArray array];
XMPPRosterItem *rosterItem = [XMPPRosterItem rosterItem];
[rosterItem setJID: [XMPPJID JIDWithString:
[[element attributeForName: @"jid"] stringValue]]];
[rosterItem setName:
[[element attributeForName: @"name"] stringValue]];
subscription = [[element attributeForName:
@"subscription"] stringValue];
if (![subscription isEqual: @"none"] &&
![subscription isEqual: @"to"] &&
![subscription isEqual: @"from"] &&
![subscription isEqual: @"both"] &&
![subscription isEqual: @"remove"])
subscription = @"none";
[rosterItem setSubscription: subscription];
groupEnumerator = [[element
elementsForName: @"group"
namespace: XMPP_NS_ROSTER] objectEnumerator];
while ((groupElement = [groupEnumerator nextObject]) != nil)
[groups addObject: [groupElement stringValue]];
if ([groups count] > 0)
[rosterItem setGroups: groups];
return rosterItem;
}
- (void)XMPP_handleInitialRoster: (XMPPIQ*)iq
{
OFXMLElement *rosterElement;
OFEnumerator *enumerator;
OFXMLElement *element;
XMPPRosterItem *rosterItem = nil;
rosterElement = [iq elementForName: @"query"
namespace: XMPP_NS_ROSTER];
enumerator = [[rosterElement children] objectEnumerator];
while ((element = [enumerator nextObject]) != nil) {
if (![[element name] isEqual: @"item"] ||
![[element namespace] isEqual: XMPP_NS_ROSTER])
continue;
rosterItem = [self XMPP_rosterItemWithXMLElement: element];
if ([[rosterItem subscription] isEqual: @"remove"])
[self XMPP_deleteRosterItem: rosterItem];
else
[self XMPP_addRosterItem: rosterItem];
}
if ([delegate respondsToSelector: @selector(rosterWasReceived:)])
[delegate rosterWasReceived: self];
}
@end
@implementation OFObject (XMPPRosterDelegate)
- (void)rosterWasReceived: (XMPPRoster*)roster
{
}
- (void)roster: (XMPPRoster*)roster
didReceiveRosterItem: (XMPPRosterItem*)rosterItem
{
}
@end
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