C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import enum import warnings from aiohttp import web from aiohttp_security.abc import (AbstractIdentityPolicy, AbstractAuthorizationPolicy) from functools import wraps IDENTITY_KEY = 'aiohttp_security_identity_policy' AUTZ_KEY = 'aiohttp_security_autz_policy' async def remember(request, response, identity, **kwargs): """Remember identity into response. The action is performed by identity_policy.remember() Usually the identity is stored in user cookies somehow but may be pushed into custom header also. """ assert isinstance(identity, str), identity assert identity identity_policy = request.config_dict.get(IDENTITY_KEY) if identity_policy is None: text = ("Security subsystem is not initialized, " "call aiohttp_security.setup(...) first") # in order to see meaningful exception message both: on console # output and rendered page we add same message to *reason* and # *text* arguments. raise web.HTTPInternalServerError(reason=text, text=text) await identity_policy.remember(request, response, identity, **kwargs) async def forget(request, response): """Forget previously remembered identity. Usually it clears cookie or server-side storage to forget user session. """ identity_policy = request.config_dict.get(IDENTITY_KEY) if identity_policy is None: text = ("Security subsystem is not initialized, " "call aiohttp_security.setup(...) first") # in order to see meaningful exception message both: on console # output and rendered page we add same message to *reason* and # *text* arguments. raise web.HTTPInternalServerError(reason=text, text=text) await identity_policy.forget(request, response) async def authorized_userid(request): identity_policy = request.config_dict.get(IDENTITY_KEY) autz_policy = request.config_dict.get(AUTZ_KEY) if identity_policy is None or autz_policy is None: return None identity = await identity_policy.identify(request) if identity is None: return None # non-registered user has None user_id user_id = await autz_policy.authorized_userid(identity) return user_id async def permits(request, permission, context=None): assert isinstance(permission, (str, enum.Enum)), permission assert permission identity_policy = request.config_dict.get(IDENTITY_KEY) autz_policy = request.config_dict.get(AUTZ_KEY) if identity_policy is None or autz_policy is None: return True identity = await identity_policy.identify(request) # non-registered user still may has some permissions access = await autz_policy.permits(identity, permission, context) return access async def is_anonymous(request): """Check if user is anonymous. User is considered anonymous if there is not identity in request. """ identity_policy = request.config_dict.get(IDENTITY_KEY) if identity_policy is None: return True identity = await identity_policy.identify(request) if identity is None: return True return False async def check_authorized(request): """Checker that raises HTTPUnauthorized for anonymous users. """ userid = await authorized_userid(request) if userid is None: raise web.HTTPUnauthorized() return userid def login_required(fn): """Decorator that restrict access only for authorized users. User is considered authorized if authorized_userid returns some value. """ @wraps(fn) async def wrapped(*args, **kwargs): request = args[-1] if not isinstance(request, web.BaseRequest): msg = ("Incorrect decorator usage. " "Expecting `def handler(request)` " "or `def handler(self, request)`.") raise RuntimeError(msg) await check_authorized(request) return await fn(*args, **kwargs) warnings.warn("login_required decorator is deprecated, " "use check_authorized instead",