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📁 ..	-	2026-03-27 02:38
📄 __init__.py from .abc import AbstractAuthorizationPolicy, AbstractIdentityPolicy from .api import (authorized_userid, forget, has_permission, is_anonymous, login_required, permits, remember, setup, check_authorized, check_permission) from .cookies_identity import CookiesIdentityPolicy from .session_identity import SessionIdentityPolicy from .jwt_identity import JWTIdentityPolicy __version__ = '0.4.0' __all__ = ('AbstractIdentityPolicy', 'AbstractAuthorizationPolicy', 'CookiesIdentityPolicy', 'SessionIdentityPolicy', 'JWTIdentityPolicy', 'remember', 'forget', 'authorized_userid', 'permits', 'setup', 'is_anonymous', 'login_required', 'has_permission', 'check_authorized', 'check_permission')	791 B	2026-01-20 12:58
📁 __pycache__	-	2026-03-21 15:45
📄 abc.py import abc # see http://plope.com/pyramid_auth_design_api_postmortem class AbstractIdentityPolicy(metaclass=abc.ABCMeta): @abc.abstractmethod async def identify(self, request): """Return the claimed identity of the user associated request or ``None`` if no identity can be found associated with the request.""" pass @abc.abstractmethod async def remember(self, request, response, identity, kwargs): """Remember identity. Modify response object by filling it's headers with remembered user. An individual identity policy and its consumers can decide on the composition and meaning of kwargs. """ pass @abc.abstractmethod async def forget(self, request, response): """ Modify response which can be used to 'forget' the current identity on subsequent requests.""" pass class AbstractAuthorizationPolicy(metaclass=abc.ABCMeta): @abc.abstractmethod async def permits(self, identity, permission, context=None): """Check user permissions. Return True if the identity is allowed the permission in the current context, else return False. """ pass @abc.abstractmethod async def authorized_userid(self, identity): """Retrieve authorized user id. Return the user_id of the user identified by the identity or 'None' if no user exists related to the identity. """ pass	1.45 KB	2026-01-20 12:58
📄 api.py 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", DeprecationWarning) return wrapped async def check_permission(request, permission, context=None): """Checker that passes only to authoraised users with given permission. If user is not authorized - raises HTTPUnauthorized, if user is authorized and does not have permission - raises HTTPForbidden. """ await check_authorized(request) allowed = await permits(request, permission, context) if not allowed: raise web.HTTPForbidden() def has_permission( permission, context=None, ): """Decorator that restricts access only for authorized users with correct permissions. If user is not authorized - raises HTTPUnauthorized, if user is authorized and does not have permission - raises HTTPForbidden. """ def wrapper(fn): @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_permission(request, permission, context) return await fn(args, **kwargs) return wrapped warnings.warn("has_permission decorator is deprecated, " "use check_permission instead", DeprecationWarning) return wrapper def setup(app, identity_policy, autz_policy): assert isinstance(identity_policy, AbstractIdentityPolicy), identity_policy assert isinstance(autz_policy, AbstractAuthorizationPolicy), autz_policy app[IDENTITY_KEY] = identity_policy app[AUTZ_KEY] = autz_policy	5.75 KB	2026-01-20 12:58
📄 cookies_identity.py """Identity policy for storing info directly into HTTP cookie. Use mostly for demonstration purposes, SessionIdentityPolicy is much more handy. """ from .abc import AbstractIdentityPolicy sentinel = object() class CookiesIdentityPolicy(AbstractIdentityPolicy): def __init__(self): self._cookie_name = 'AIOHTTP_SECURITY' self._max_age = 30 * 24 * 3600 async def identify(self, request): identity = request.cookies.get(self._cookie_name) return identity async def remember(self, request, response, identity, max_age=sentinel, kwargs): if max_age is sentinel: max_age = self._max_age response.set_cookie(self._cookie_name, identity, max_age=max_age, kwargs) async def forget(self, request, response): response.del_cookie(self._cookie_name)	887 B	2026-01-20 12:58
📄 jwt_identity.py """Identity policy for storing info in the jwt token. """ from .abc import AbstractIdentityPolicy try: import jwt except ImportError: # pragma: no cover jwt = None AUTH_HEADER_NAME = 'Authorization' AUTH_SCHEME = 'Bearer ' class JWTIdentityPolicy(AbstractIdentityPolicy): def __init__(self, secret, algorithm='HS256'): if jwt is None: raise RuntimeError('Please install `PyJWT`') self.secret = secret self.algorithm = algorithm async def identify(self, request): header_identity = request.headers.get(AUTH_HEADER_NAME) if header_identity is None: return if not header_identity.startswith(AUTH_SCHEME): raise ValueError('Invalid authorization scheme. ' + 'Should be `Bearer <token>`') token = header_identity.split(' ')[1].strip() identity = jwt.decode(token, self.secret, algorithms=[self.algorithm]) return identity async def remember(self, args, *kwargs): # pragma: no cover pass async def forget(self, request, response): # pragma: no cover pass	1.18 KB	2026-01-20 12:58
📄 session_identity.py """Identity policy for storing info into aiohttp_session session. aiohttp_session.setup() should be called on application initialization to configure aiohttp_session properly. """ try: from aiohttp_session import get_session HAS_AIOHTTP_SESSION = True except ImportError: # pragma: no cover HAS_AIOHTTP_SESSION = False from .abc import AbstractIdentityPolicy class SessionIdentityPolicy(AbstractIdentityPolicy): def __init__(self, session_key='AIOHTTP_SECURITY'): self._session_key = session_key if not HAS_AIOHTTP_SESSION: # pragma: no cover raise ImportError( 'SessionIdentityPolicy requires `aiohttp_session`') async def identify(self, request): session = await get_session(request) return session.get(self._session_key) async def remember(self, request, response, identity, **kwargs): session = await get_session(request) session[self._session_key] = identity async def forget(self, request, response): session = await get_session(request) session.pop(self._session_key, None)	1.09 KB	2026-01-20 12:58

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