o >h@sddlmZddlmZmZmZmZmZmZm Z m Z ddl m Z ddl mZddlmZddlmZddlmZmZedd Zedd d Zed dZddZGdddeZGdddeZddZd S))settings)BACKEND_SESSION_KEYHASH_SESSION_KEY SESSION_KEY _get_backendsget_user_model load_backenduser_logged_inuser_logged_out)constant_time_compare) LazyObject)database_sync_to_async)BaseMiddleware)CookieMiddlewareSessionMiddlewarec Csddlm}d|vrtd|d}d}z t|}|t}Wn ty'Yn*w|tjvrQt|}| |}t |drQ| t }|oHt ||}|sQ|d}|pU|S)z Return the user model instance associated with the given scope. If no user is retrieved, return an instance of `AnonymousUser`. r AnonymousUsersessionQCannot find session in scope. You should wrap your consumer in SessionMiddleware.Nget_session_auth_hash)django.contrib.auth.modelsr ValueError_get_user_session_keyrKeyErrorrAUTHENTICATION_BACKENDSrget_userhasattrgetrr rflush) scoperruseruser_id backend_pathbackend session_hashsession_hash_verifiedr&m/var/www/vedio/testing/chatpythonscript.ninositsolution.com/env/lib/python3.10/site-packages/channels/auth.pyrs2        rNcCsd|vrtd|d}d}|dur|dd}|dur tdt|dr)|}t|vrDt||jks?|rCt|td|sC| n| z|pM|j }Wnt ynt dd }t|d krh|d \}}ntd Ynw|jj||t<||t<||t<||d<tj|jd|d dS)z Persist a user id and a backend in the request. This way a user doesn't have to re-authenticate on every request. Note that data set during the anonymous session is retained when the user logs in. rrNr zCUser must be passed as an argument or must be present in the scope.rT) return_tuplesrzYou have multiple authentication backends configured and therefore must provide the `backend` argument or set the `backend` attribute on the user.senderrequestr )rrrrrrpkr rr cycle_keyr#AttributeErrorrlen_metavalue_to_stringrr send __class__)rr r#rsession_auth_hashbackends_r&r&r'login:sR        r9cCsddlm}d|vrtd|d}|dd}t|dr"|js"d}|dur/tj|jd|d| d|vr>||d<dSdS) z_ Remove the authenticated user's ID from the request and flush their session data. rrrzWLogin cannot find session in scope. You should wrap your consumer in SessionMiddleware.r Nis_authenticatedr+) rrrrrr:r r4r5r)rrrr r&r&r'logoutrs  r;cCstjj|tSN)rr2r. to_pythonr)rr&r&r'rsrc@seZdZdZddZdS)UserLazyObjectzc Throw a more useful error message when scope['user'] is accessed before it's resolved cCstd)Nz(Accessing scope user before it is ready.)r)selfr&r&r'_setupszUserLazyObject._setupN)__name__ __module__ __qualname____doc__r@r&r&r&r'r>s r>cs0eZdZdZddZddZfddZZS)AuthMiddlewarezu Middleware which populates scope["user"] from a Django session. Requires SessionMiddleware to function. cCs*d|vrtdd|vrt|d<dSdS)NrzPAuthMiddleware cannot find session in scope. SessionMiddleware must be above it.r )rr>r?rr&r&r'populate_scopeszAuthMiddleware.populate_scopecst|IdH|d_dS)Nr )r_wrappedrFr&r&r' resolve_scopeszAuthMiddleware.resolve_scopecs:t|}||||IdHt|||IdHSr<)dictrGrIsuper__call__)r?rreceiver4r5r&r'rLs  zAuthMiddleware.__call__)rArBrCrDrGrIrL __classcell__r&r&rNr'rEs  rEcCsttt|Sr<)rrrE)innerr&r&r'AuthMiddlewareStacksrQr<) django.confrdjango.contrib.authrrrrrrr r django.utils.cryptor django.utils.functionalr channels.dbr channels.middlewarerchannels.sessionsrrrr9r;rr>rErQr&r&r&r's" (    % 7