Prevent synchronous requests from using delegate authentication or AS…

…IAuthenticationDialog

Comment tweaks

Classes/ASIHTTPRequest.h

@@ -229,6 +229,7 @@ typedef void (^ASIDataBlock)(NSData *data);
 	int authenticationRetryCount;
 
 	// Authentication scheme (Basic, Digest, NTLM)
+	// If you are using Basic authentication and want to force ASIHTTPRequest to send an authorization header without waiting for a 401, you must set this to (NSString *)kCFHTTPAuthenticationSchemeBasic
 	NSString *authenticationScheme;
 
 	// Realm for authentication when credentials are required
@@ -294,7 +295,7 @@ typedef void (^ASIDataBlock)(NSData *data);
 	SEL didReceiveResponseHeadersSelector;
 
 	// Called on the delegate (if implemented) when the request receives a Location header and shouldRedirect is YES
-	// The delegate can then change the url if needed, and can restart the request by calling [request resume], or simply cancel it
+	// The delegate can then change the url if needed, and can restart the request by calling [request redirectToURL:], or simply cancel it
 	SEL willRedirectSelector;
 
 	// Called on the delegate (if implemented) when the request completes successfully. Default is requestFinished:

Classes/ASIHTTPRequest.m

@@ -2611,21 +2611,29 @@ - (void)failAuthentication
 
 - (BOOL)showProxyAuthenticationDialog
 {
-// Mac authentication dialog coming soon!
-#if TARGET_OS_IPHONE
+	if ([self isSynchronous]) {
+		return NO;
+	}
+
+	// Mac authentication dialog coming soon!
+	#if TARGET_OS_IPHONE
 	if ([self shouldPresentProxyAuthenticationDialog]) {
 		[ASIAuthenticationDialog performSelectorOnMainThread:@selector(presentAuthenticationDialogForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
 		return YES;
 	}
 	return NO;
-#else
+	#else
 	return NO;
-#endif
+	#endif
 }
 
 
 - (BOOL)willAskDelegateForProxyCredentials
 {
+	if ([self isSynchronous]) {
+		return NO;
+	}
+
 	// If we have a delegate, we'll see if it can handle proxyAuthenticationNeededForRequest:.
 	// Otherwise, we'll try the queue (if this request is part of one) and it will pass the message on to its own delegate
 	id authenticationDelegate = [self delegate];
@@ -2673,6 +2681,10 @@ - (void)askDelegateForProxyCredentials
 
 - (BOOL)willAskDelegateForCredentials
 {
+	if ([self isSynchronous]) {
+		return NO;
+	}
+
 	// If we have a delegate, we'll see if it can handle proxyAuthenticationNeededForRequest:.
 	// Otherwise, we'll try the queue (if this request is part of one) and it will pass the message on to its own delegate
 	id authenticationDelegate = [self delegate];
@@ -2875,16 +2887,19 @@ - (void)attemptToApplyProxyCredentialsAndResume
 
 - (BOOL)showAuthenticationDialog
 {
-// Mac authentication dialog coming soon!
-#if TARGET_OS_IPHONE
+	if ([self isSynchronous]) {
+		return NO;
+	}
+	// Mac authentication dialog coming soon!
+	#if TARGET_OS_IPHONE
 	if ([self shouldPresentAuthenticationDialog]) {
 		[ASIAuthenticationDialog performSelectorOnMainThread:@selector(presentAuthenticationDialogForRequest:) withObject:self waitUntilDone:[NSThread isMainThread]];
 		return YES;
 	}
 	return NO;
-#else
+	#else
 	return NO;
-#endif
+	#endif
 }
 
 - (void)attemptToApplyCredentialsAndResume