Files
LangBot/pkg/api/http/service/user.py
2024-11-20 21:03:02 +08:00

74 lines
2.1 KiB
Python

from __future__ import annotations
import sqlalchemy
import argon2
import jwt
import datetime
from ....core import app
from ....persistence.entities import user
from ....utils import constants
class UserService:
ap: app.Application
def __init__(self, ap: app.Application) -> None:
self.ap = ap
async def is_initialized(self) -> bool:
result = await self.ap.persistence_mgr.execute_async(
sqlalchemy.select(user.User).limit(1)
)
result_list = result.all()
return result_list is not None and len(result_list) > 0
async def create_user(self, user_email: str, password: str) -> None:
ph = argon2.PasswordHasher()
hashed_password = ph.hash(password)
await self.ap.persistence_mgr.execute_async(
sqlalchemy.insert(user.User).values(
user=user_email,
password=hashed_password
)
)
async def authenticate(self, user_email: str, password: str) -> str | None:
result = await self.ap.persistence_mgr.execute_async(
sqlalchemy.select(user.User).where(user.User.user == user_email)
)
result_list = result.all()
if result_list is None or len(result_list) == 0:
raise ValueError('用户不存在')
user_obj = result_list[0]
ph = argon2.PasswordHasher()
ph.verify(user_obj.password, password)
return await self.generate_jwt_token(user_email)
async def generate_jwt_token(self, user_email: str) -> str:
jwt_secret = self.ap.instance_secret_meta.data['jwt_secret']
jwt_expire = self.ap.system_cfg.data['http-api']['jwt-expire']
payload = {
'user': user_email,
'iss': 'LangBot-'+constants.edition,
'exp': datetime.datetime.now() + datetime.timedelta(seconds=jwt_expire)
}
return jwt.encode(payload, jwt_secret, algorithm='HS256')
async def verify_jwt_token(self, token: str) -> str:
jwt_secret = self.ap.instance_secret_meta.data['jwt_secret']
return jwt.decode(token, jwt_secret, algorithms=['HS256'])['user']