210 lines
7.3 KiB
Python
210 lines
7.3 KiB
Python
# -*- coding: utf-8 -*-
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from datetime import datetime, timezone
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from urllib.parse import quote_plus
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from graphql.type import GraphQLResolveInfo
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from starlette.responses import RedirectResponse
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from transliterate import translit
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import re
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from auth.authenticate import login_required
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from auth.credentials import AuthCredentials
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from auth.email import send_auth_email
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from auth.identity import Identity, Password
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from auth.jwtcodec import JWTCodec
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from auth.tokenstorage import TokenStorage
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from services.exceptions import (
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BaseHttpException,
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InvalidPassword,
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InvalidToken,
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ObjectNotExist,
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Unauthorized,
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)
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from services.db import local_session
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from services.schema import mutation, query
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from orm import Role, User
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from resolvers.zine.profile import user_subscriptions
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from settings import SESSION_TOKEN_HEADER, FRONTEND_URL
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@mutation.field("getSession")
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@login_required
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async def get_current_user(_, info):
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auth: AuthCredentials = info.context["request"].auth
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token = info.context["request"].headers.get(SESSION_TOKEN_HEADER)
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with local_session() as session:
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user = session.query(User).where(User.id == auth.user_id).one()
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user.lastSeen = datetime.now(tz=timezone.utc)
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session.commit()
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return {
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"token": token,
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"user": user,
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"news": await user_subscriptions(user.id),
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}
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@mutation.field("confirmEmail")
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async def confirm_email(_, info, token):
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"""confirm owning email address"""
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try:
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print("[resolvers.auth] confirm email by token")
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payload = JWTCodec.decode(token)
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user_id = payload.user_id
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await TokenStorage.get(f"{user_id}-{payload.username}-{token}")
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with local_session() as session:
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user = session.query(User).where(User.id == user_id).first()
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session_token = await TokenStorage.create_session(user)
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user.emailConfirmed = True
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user.lastSeen = datetime.now(tz=timezone.utc)
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session.add(user)
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session.commit()
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return {
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"token": session_token,
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"user": user,
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"news": await user_subscriptions(user.id),
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}
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except InvalidToken as e:
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raise InvalidToken(e.message)
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except Exception as e:
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print(e) # FIXME: debug only
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return {"error": "email is not confirmed"}
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async def confirm_email_handler(request):
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token = request.path_params["token"] # one time
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request.session["token"] = token
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res = await confirm_email(None, {}, token)
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print("[resolvers.auth] confirm_email request: %r" % request)
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if "error" in res:
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raise BaseHttpException(res["error"])
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else:
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response = RedirectResponse(url=FRONTEND_URL)
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response.set_cookie("token", res["token"]) # session token
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return response
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def create_user(user_dict):
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user = User(**user_dict)
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with local_session() as session:
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user.roles.append(session.query(Role).first())
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session.add(user)
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session.commit()
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return user
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def generate_unique_slug(src):
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print("[resolvers.auth] generating slug from: " + src)
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slug = translit(src, "ru", reversed=True).replace(".", "-").lower()
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slug = re.sub("[^0-9a-zA-Z]+", "-", slug)
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if slug != src:
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print("[resolvers.auth] translited name: " + slug)
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c = 1
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with local_session() as session:
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user = session.query(User).where(User.slug == slug).first()
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while user:
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user = session.query(User).where(User.slug == slug).first()
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slug = slug + "-" + str(c)
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c += 1
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if not user:
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unique_slug = slug
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print("[resolvers.auth] " + unique_slug)
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return quote_plus(unique_slug.replace("'", "")).replace("+", "-")
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@mutation.field("registerUser")
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async def register_by_email(_, _info, email: str, password: str = "", name: str = ""):
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email = email.lower()
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"""creates new user account"""
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with local_session() as session:
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user = session.query(User).filter(User.email == email).first()
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if user:
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raise Unauthorized("User already exist")
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else:
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slug = generate_unique_slug(name)
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user = session.query(User).where(User.slug == slug).first()
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if user:
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slug = generate_unique_slug(email.split("@")[0])
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user_dict = {
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"email": email,
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"username": email, # will be used to store phone number or some messenger network id
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"name": name,
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"slug": slug,
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}
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if password:
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user_dict["password"] = Password.encode(password)
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user = create_user(user_dict)
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user = await auth_send_link(_, _info, email)
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return {"user": user}
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@mutation.field("sendLink")
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async def auth_send_link(_, _info, email, lang="ru", template="email_confirmation"):
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email = email.lower()
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"""send link with confirm code to email"""
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with local_session() as session:
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user = session.query(User).filter(User.email == email).first()
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if not user:
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raise ObjectNotExist("User not found")
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else:
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token = await TokenStorage.create_onetime(user)
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await send_auth_email(user, token, lang, template)
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return user
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@query.field("signIn")
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async def login(_, info, email: str, password: str = "", lang: str = "ru"):
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email = email.lower()
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with local_session() as session:
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orm_user = session.query(User).filter(User.email == email).first()
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if orm_user is None:
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print(f"[auth] {email}: email not found")
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# return {"error": "email not found"}
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raise ObjectNotExist("User not found") # contains webserver status
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if not password:
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print(f"[auth] send confirm link to {email}")
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token = await TokenStorage.create_onetime(orm_user)
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await send_auth_email(orm_user, token, lang)
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# FIXME: not an error, warning
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return {"error": "no password, email link was sent"}
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else:
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# sign in using password
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if not orm_user.emailConfirmed:
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# not an error, warns users
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return {"error": "please, confirm email"}
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else:
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try:
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user = Identity.password(orm_user, password)
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session_token = await TokenStorage.create_session(user)
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print(f"[auth] user {email} authorized")
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return {
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"token": session_token,
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"user": user,
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"news": await user_subscriptions(user.id),
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}
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except InvalidPassword:
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print(f"[auth] {email}: invalid password")
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raise InvalidPassword(
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"invalid password"
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) # contains webserver status
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# return {"error": "invalid password"}
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@query.field("signOut")
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@login_required
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async def sign_out(_, info: GraphQLResolveInfo):
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token = info.context["request"].headers.get(SESSION_TOKEN_HEADER, "")
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status = await TokenStorage.revoke(token)
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return status
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@query.field("isEmailUsed")
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async def is_email_used(_, _info, email):
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email = email.lower()
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with local_session() as session:
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user = session.query(User).filter(User.email == email).first()
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return user is not None
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