Upgrades

.gitignore

@@ -0,0 +1,11 @@
+build/
+xcuserdata/
+*.xctimeline
+*.xccheckout
+*.xcscmblueprint
+*.mode2v3
+*.pbxuser
+
+Carthage/Build
+
+.DS_Store

OAuth+Additions.m

@@ -28,7 +28,7 @@ + (NSDictionary *)ab_parseURLQueryString:(NSString *)query
 
 - (NSString *)ab_actualPath
 {
-    NSString* cfPath = [(NSString*)CFURLCopyPath((CFURLRef)self) autorelease];
+    NSString* cfPath = (NSString*)CFBridgingRelease(CFURLCopyPath((CFURLRef)self));
     return cfPath;
 }
 
@@ -67,7 +67,7 @@ + (NSString *)ab_GUID
 	CFUUIDRef u = CFUUIDCreate(kCFAllocatorDefault);
 	CFStringRef s = CFUUIDCreateString(kCFAllocatorDefault, u);
 	CFRelease(u);
-	return [(NSString *)s autorelease];
+	return (NSString *)CFBridgingRelease(s);
 }
 
 @end

OAuthCore.h

@@ -23,3 +23,25 @@ extern NSString *OAuthorizationHeaderWithCallback(NSURL *url,
 												  NSString *_oAuthToken,
 												  NSString *_oAuthTokenSecret,
 												  NSString *_oAuthCallback);
+
+typedef NS_ENUM(uint8_t, OAuthCoreSignatureMethod)
+{
+//	OAuthCoreSignatureMethod_PLAIN_TEXT,	// allowed by RFC5849, but you gotta be joking, right?
+//	OAuthCoreSignatureMethod_RSA_SHA1,		// allowed by RFC5849, but not supported here
+	OAuthCoreSignatureMethod_HMAC_SHA1,		// allowed by RFC5849
+	OAuthCoreSignatureMethod_HMAC_SHA256,	// non-standard, but...
+
+	OAuthCoreSignatureMethod_Default		= OAuthCoreSignatureMethod_HMAC_SHA1,
+};
+
+extern NSString *OAuthHeader(
+					NSURL *url,
+					NSString *method,
+					NSData *body,
+					NSString *_oAuthConsumerKey,
+					NSString *_oAuthConsumerSecret,
+					NSString *_oAuthToken, // nullable
+					NSString *_oAuthTokenSecret, // nullable
+					NSString *_oAuthVerifier, // nullable,
+					NSString *_oAuthCallback, // nullable
+					OAuthCoreSignatureMethod sigMethod);