     
     let appKey : String
     let redirectURL: NSURL
+    let dauthRedirectURL: NSURL
+
     let host: String
     
     

        return components.URL!
    }
    
    private func canHandleURL(url: NSURL) -> Bool {
        return (url.scheme == self.redirectURL.scheme
            &&  url.host == self.redirectURL.host
            &&  url.path == self.redirectURL.path)
    }
    
    /// Present the OAuth2 authorization request page by presenting a web view controller modally

        presentingViewController?.dismissViewControllerAnimated(animated, completion: nil)
    }
    
}
