Added ability to provide cookies for the web socket connection

SocketRocket/SRWebSocket.h

@@ -57,6 +57,9 @@ extern NSString *const SRHTTPResponseErrorKey;
 
 @property (nonatomic, readonly) CFHTTPMessageRef receivedHTTPHeaders;
 
+// Optional array of cookies (NSHTTPCookie objects) to apply to the connections
+@property (nonatomic, readwrite) NSArray * requestCookies;
+
 // This returns the negotiated protocol.
 // It will be nil until after the handshake completes.
 @property (nonatomic, readonly, copy) NSString *protocol;

SocketRocket/SRWebSocket.m

@@ -494,7 +494,16 @@ static __strong NSData *CRLFCRLF;
     }
     
     assert([_secKey length] == 24);
-    
+
+    // Apply cookies if any have been provided
+    NSDictionary * cookies = [NSHTTPCookie requestHeaderFieldsWithCookies:[self requestCookies]];
+    for (NSString * cookieKey in cookies) {
+        NSString * cookieValue = [cookies objectForKey:cookieKey];
+        if ([cookieKey length] && [cookieValue length]) {
+            CFHTTPMessageSetHeaderFieldValue(request, (__bridge CFStringRef)cookieKey, (__bridge CFStringRef)cookieValue);
+        }
+    }
+ 
     CFHTTPMessageSetHeaderFieldValue(request, CFSTR("Upgrade"), CFSTR("websocket"));
     CFHTTPMessageSetHeaderFieldValue(request, CFSTR("Connection"), CFSTR("Upgrade"));
     CFHTTPMessageSetHeaderFieldValue(request, CFSTR("Sec-WebSocket-Key"), (__bridge CFStringRef)_secKey);