132 lines
3.1 KiB
Objective-C
132 lines
3.1 KiB
Objective-C
#import "XMPPAnonymousAuthentication.h"
|
|
#import "XMPP.h"
|
|
#import "XMPPLogging.h"
|
|
#import "XMPPInternal.h"
|
|
#import "NSXMLElement+XMPP.h"
|
|
|
|
#if ! __has_feature(objc_arc)
|
|
#warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
|
|
#endif
|
|
|
|
// Log levels: off, error, warn, info, verbose
|
|
#if DEBUG
|
|
static const int xmppLogLevel = XMPP_LOG_LEVEL_INFO; // | XMPP_LOG_FLAG_TRACE;
|
|
#else
|
|
static const int xmppLogLevel = XMPP_LOG_LEVEL_WARN;
|
|
#endif
|
|
|
|
/**
|
|
* Seeing a return statements within an inner block
|
|
* can sometimes be mistaken for a return point of the enclosing method.
|
|
* This makes inline blocks a bit easier to read.
|
|
**/
|
|
#define return_from_block return
|
|
|
|
|
|
@implementation XMPPAnonymousAuthentication
|
|
{
|
|
#if __has_feature(objc_arc_weak)
|
|
__weak XMPPStream *xmppStream;
|
|
#else
|
|
__unsafe_unretained XMPPStream *xmppStream;
|
|
#endif
|
|
}
|
|
|
|
+ (NSString *)mechanismName
|
|
{
|
|
return @"ANONYMOUS";
|
|
}
|
|
|
|
- (id)initWithStream:(XMPPStream *)stream
|
|
{
|
|
if ((self = [super init]))
|
|
{
|
|
xmppStream = stream;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (id)initWithStream:(XMPPStream *)stream password:(NSString *)password
|
|
{
|
|
return [self initWithStream:stream];
|
|
}
|
|
|
|
- (BOOL)start:(NSError **)errPtr
|
|
{
|
|
// <auth xmlns="urn:ietf:params:xml:ns:xmpp-sasl" mechanism="ANONYMOUS" />
|
|
|
|
NSXMLElement *auth = [NSXMLElement elementWithName:@"auth" xmlns:@"urn:ietf:params:xml:ns:xmpp-sasl"];
|
|
[auth addAttributeWithName:@"mechanism" stringValue:@"ANONYMOUS"];
|
|
|
|
[xmppStream sendAuthElement:auth];
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (XMPPHandleAuthResponse)handleAuth:(NSXMLElement *)authResponse
|
|
{
|
|
// We're expecting a success response.
|
|
// If we get anything else we can safely assume it's the equivalent of a failure response.
|
|
|
|
if ([[authResponse name] isEqualToString:@"success"])
|
|
{
|
|
return XMPP_AUTH_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
return XMPP_AUTH_FAIL;
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
#pragma mark -
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
@implementation XMPPStream (XMPPAnonymousAuthentication)
|
|
|
|
- (BOOL)supportsAnonymousAuthentication
|
|
{
|
|
return [self supportsAuthenticationMechanism:[XMPPAnonymousAuthentication mechanismName]];
|
|
}
|
|
|
|
- (BOOL)authenticateAnonymously:(NSError **)errPtr
|
|
{
|
|
XMPPLogTrace();
|
|
|
|
__block BOOL result = YES;
|
|
__block NSError *err = nil;
|
|
|
|
dispatch_block_t block = ^{ @autoreleasepool {
|
|
|
|
if ([self supportsAnonymousAuthentication])
|
|
{
|
|
XMPPAnonymousAuthentication *anonymousAuth = [[XMPPAnonymousAuthentication alloc] initWithStream:self];
|
|
|
|
result = [self authenticate:anonymousAuth error:&err];
|
|
}
|
|
else
|
|
{
|
|
NSString *errMsg = @"The server does not support anonymous authentication.";
|
|
NSDictionary *info = @{NSLocalizedDescriptionKey : errMsg};
|
|
|
|
err = [NSError errorWithDomain:XMPPStreamErrorDomain code:XMPPStreamUnsupportedAction userInfo:info];
|
|
|
|
result = NO;
|
|
}
|
|
}};
|
|
|
|
if (dispatch_get_specific(self.xmppQueueTag))
|
|
block();
|
|
else
|
|
dispatch_sync(self.xmppQueue, block);
|
|
|
|
if (errPtr)
|
|
*errPtr = err;
|
|
|
|
return result;
|
|
}
|
|
|
|
@end
|