71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
from aiohttp_auth import auth
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from os import urandom
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from aiohttp import web
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import aiohttp_session
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from aiohttp_session import get_session, session_middleware
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from aiohttp_session.cookie_storage import EncryptedCookieStorage
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class AuthAPI:
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def setupAuth(self,app):
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# setup session middleware in aiohttp fashion
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storage = EncryptedCookieStorage(urandom(32))
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aiohttp_session.setup(app, storage)
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# Create an auth ticket mechanism that expires after 1 minute (60
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# seconds), and has a randomly generated secret. Also includes the
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# optional inclusion of the users IP address in the hash
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policy = auth.SessionTktAuthentication(urandom(32), 60,
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include_ip=True)
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# setup aiohttp_auth.auth middleware in aiohttp fashion
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auth.setup(app, policy)
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app.middlewares.append(self.checkAuth)
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app.router.add_route('POST','/login',self.login)
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app.router.add_route('GET', '/logout', self.logout)
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async def login(self,request):
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params = await request.post()
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user_id = params.get('user',None)
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password = params.get('password',None)
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from_path = params.get('from_path',None)
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if self.checkUserPassword(user_id,password):
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await auth.remember(request, user)
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return web.HpptFound(from_path)
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raise web.HTTPUnauthorized()
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async def logout(self,request):
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await auth.forget(request)
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return web.REsponse(body='OK'.encode('utf-8'))
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@web.middleware
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async def checkAuth(self,request,handler):
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path = request.path
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print(f'*****{path} checkAuth called********')
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if not await self.needAuth(path):
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return await handler(request)
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user = await auth.get_auth(request)
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if user is None:
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raise web.HTTPFound(f'/login_form?from_path={path}')
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user_perms = await self.getUserPermission(user)
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need_perm = await self.getPermissionNeed(path)
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if need_perm in user_perms:
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return await handler(request)
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print(f'**{path} forbidden**')
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raise web.HTTPForbidden()
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async def needAuth(self,path):
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if path in ['/','/header.tmpl','footer.tmpl','/login','/login_form','/index.tmpl',]:
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return False
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return False
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async def getPermissionNeed(self,path):
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return 'admin'
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async def checkUserPassword(self,user_id,password):
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return True
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async def getUserPermissions(self,user):
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return ['admin','view']
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