o _O@sNdZddlZddlmZddlmZddlmZddZGdd d ejZdS) z3Interface to handle end to end flow of U2F signing.N)baseauthenticator)customauthenticator)localauthenticatorcCst|t|g}t|SN)rZCustomAuthenticatorrZLocalAuthenticatorCompositeAuthenticator)originauthenticatorsr ?lib/python3.10/site-packages/pyu2f/convenience/authenticator.pyCreateCompositeAuthenticatorsr c@s0eZdZdZddZejjfddZddZ dS) rzComposes multiple authenticators into a single authenticator. Priority is based on the order of the list initialized with the instance. cCs ||_dSr)r)selfrr r r __init__$s zCompositeAuthenticator.__init__cCs2|jD]}|r||||}|Sqtd)See base class.zNo valid authenticators found)r IsAvailable Authenticate ValueError)r Zapp_idZchallenge_dataZprint_callbackZ authenticatorresultr r r r's z#CompositeAuthenticator.AuthenticatecCsdS)rTr )r r r r r3sz"CompositeAuthenticator.IsAvailableN) __name__ __module__ __qualname____doc__r sysstderrwriterrr r r r rs  r) rrZpyu2f.conveniencerrrr ZBaseAuthenticatorrr r r r s