Cleaned up BoxAuthenticator

Sources/CryptomatorCloudAccess/Box/BoxAuthenticator.swift

@@ -17,39 +17,31 @@ import UIKit
 public enum BoxAuthenticatorError: Error {
 	case authenticationFailed
 	case invalidContext
-	case loginCancelled
+	case userCanceled
 }
 
 public enum BoxAuthenticator {
 	public static func authenticate(from viewController: UIViewController, tokenStorage: TokenStorage) -> Promise<BoxCredential> {
 		let pendingPromise = Promise<BoxCredential>.pending()
-
 		_Concurrency.Task {
 			do {
 				guard let context = viewController as? ASWebAuthenticationPresentationContextProviding else {
 					throw BoxAuthenticatorError.invalidContext
 				}
-
 				let config = OAuthConfig(clientId: BoxSetup.constants.clientId, clientSecret: BoxSetup.constants.clientSecret, tokenStorage: tokenStorage)
 				let oauth = BoxOAuth(config: config)
-
-				// Run the login flow and store the access token using tokenStorage
-				try await oauth.runLoginFlow(options: .init(), context: context)
-
+				try await oauth.runLoginFlow(options: .init(), context: context) // access token is implictly saved in token storage
 				pendingPromise.fulfill(BoxCredential(tokenStorage: tokenStorage))
 			} catch let error as ASWebAuthenticationSessionError {
 				if error.code == .canceledLogin {
-					// Handle the login cancellation
-					CloudAccessDDLogDebug("BoxAuthenticator: Login flow cancelled by the user.")
-					pendingPromise.reject(BoxAuthenticatorError.loginCancelled)
+					CloudAccessDDLogDebug("BoxAuthenticator: Login flow canceled by the user.")
+					pendingPromise.reject(BoxAuthenticatorError.userCanceled)
 				} else {
-					// Handle other authentication errors
 					CloudAccessDDLogDebug("BoxAuthenticator: Authentication failed with error: \(error.localizedDescription).")
 					pendingPromise.reject(BoxAuthenticatorError.authenticationFailed)
 				}
 			}
 		}
-
 		return pendingPromise
 	}
 }