import os.path
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import re
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import uuid
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import base64
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from datetime import datetime, timedelta
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from typing import Type
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from jwt import encode, decode, exceptions
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from passlib.context import CryptContext
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from fastapi import HTTPException, status
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from sqlalchemy.orm import Session
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from Log import logger
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from app.config.config import settings
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from app.config.const import USER_STATSU_DELETE, APP_SERVICE_PATH
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from app.models import RoleModel, GroupModel, TokenModel
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from app.models.user_model import UserModel, UserAppModel
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives import serialization
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from cryptography.hazmat.primitives.asymmetric import padding
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SECRET_KEY = settings.secret_key
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_MINUTES = 24*60
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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def verify_password(plain_password, hashed_password):
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password):
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return pwd_context.hash(password)
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def authenticate_user(db, username: str, password: str):
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user = db.query(UserModel).filter(UserModel.username == username, UserModel.status != USER_STATSU_DELETE).first()
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if not user:
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return False
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if not verify_password(password, user.hashed_password):
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return False
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return user
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def create_access_token(data: dict, expires_delta: timedelta = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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to_encode.update({"exp": expire})
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encoded_jwt = encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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def decode_access_token(token: str):
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try:
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payload = decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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return payload
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except exceptions.DecodeError:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Could not validate credentials")
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def is_valid_password(password: str) -> bool:
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if len(password) < 8:
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return False
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has_digit = re.search(r'[0-9]', password)
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has_letter = re.search(r'[A-Za-z]', password)
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# 如果密码包含数字和字母，则返回True，否则返回None
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return has_digit is not None and has_letter is not None
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async def save_register_user(db, username, password, email, app_password, register_dict):
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user_id = ""
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sync_flag = str(uuid.uuid4())
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try:
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hashed_password = pwd_context.hash(password)
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db_user = UserModel(username=username, hashed_password=hashed_password, email=email, sync_flag=sync_flag)
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# pwd = db_user.encrypted_password(app_password)
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# db_user.password = pwd
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db_user.roles = [db.query(RoleModel).filter(RoleModel.role_type == 2).first()]
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db_user.groups = [db.query(GroupModel).filter(GroupModel.group_type == 2).first()]
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db.add(db_user)
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db.commit()
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db.refresh(db_user)
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'''
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user_id = db_user.id
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for k, v in register_dict.items():
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await UserAppDao(db).update_and_insert_data(v.get("name"), pwd, v.get("email"), user_id, str(v.get("id")), k)
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'''
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except Exception as e:
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logger.error(e)
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db.rollback()
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return False
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return sync_flag
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async def update_user_token(db, user_id, token_dict):
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try:
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for k, v in token_dict.items():
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await UserAppDao(db).update_user_app_data({"user_id": user_id, "app_type": k},
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{"access_token": v, "token_at": datetime.now()})
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except Exception as e:
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logger.error(e)
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return False
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return True
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"""
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async def update_user_info(db, user_id):
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app_register = AppRegisterDao(db).get_apps()
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register_dict = {}
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user = db.query(UserModel).filter(UserModel.id==user_id).first()
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for app in app_register:
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if app["id"] == RAGFLOW:
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register_dict[app['id']] = {"id": user.ragflow_id, "name": user.username, "email": f"{user.username}@example.com"}
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elif app["id"] == BISHENG:
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register_dict[app['id']] = {"id": user.bisheng_id, "name": user.username, "email": ""}
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elif app["id"] == DIFY:
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register_dict[app['id']] = {"id": "", "name": user.username, "email": ""}
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else:
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logger.error("未知注册应用---")
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continue
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try:
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for k, v in register_dict.items():
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await UserAppDao(db).update_and_insert_data(v.get("name"), user.password, v.get("email"), user_id,
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str(v.get("id")), k)
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except Exception as e:
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logger.error(e)
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# 存储用户信息
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# hashed_password = pwd_context.hash(user.password)
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# db_user = UserModel(username=user.username, hashed_password=hashed_password, email=user.email)
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# db_user.password = db_user.encrypted_password(user.password)
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# for k, v in register_dict.items():
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# setattr(db_user, k.replace("app", "id"), v)
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# db.add(db_user)
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# db.commit()
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# db.refresh(db_user)
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# is_sava = await save_register_user(db, user.username, user.password, user.email, register_dict)
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"""
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class UserAppDao:
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def __init__(self, db: Session):
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self.db = db
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async def get_data_by_id(self, user_id: int, app_type: int) -> Type[UserAppModel] | None:
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session = self.db.query(UserAppModel).filter_by(user_id=user_id, app_type=app_type).first()
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return session
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async def update_user_app_data(self, query: dict, update_data: dict):
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logger.error("更新数据df update_app_data---------------------------")
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try:
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self.db.query(UserAppModel).filter_by(**query).update(update_data)
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self.db.commit()
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except Exception as e:
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logger.error(e)
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self.db.rollback()
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raise Exception("更新失败！")
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async def insert_user_app_data(self, username: str, password: str, email: str, user_id: int, app_id: str,
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app_type: int):
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logger.error("新增数据df insert_user_app_data---------------------------")
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new_session = UserAppModel(
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username=username,
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password=password,
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email=email,
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user_id=user_id,
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app_id=app_id,
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app_type=app_type,
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)
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self.db.add(new_session)
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self.db.commit()
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self.db.refresh(new_session)
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return new_session
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async def update_and_insert_data(self, username: str, password: str, email: str, user_id: int, app_id: str,
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app_type: int):
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logger.error("更新或者添加数据 update_and_insert_token---------------------------")
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token_boj = await self.get_data_by_id(user_id, app_type)
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if token_boj:
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await self.update_user_app_data({"id": token_boj.id}, {"username": username,
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"password": password, "email": email,
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"updated_at": datetime.now(),
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})
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else:
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await self.insert_user_app_data(username, password, email, user_id, app_id, app_type)
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async def get_user_datas(self, user_id: int):
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return self.db.query(UserAppModel).filter_by(user_id=user_id).all()
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async def password_rsa(password):
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with open(os.path.join(APP_SERVICE_PATH, "pom/private_key.pem"), "rb") as key_file:
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private_key = serialization.load_pem_private_key(
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key_file.read(),
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password=None, # 如果私钥加密，请提供密码
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backend=default_backend()
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)
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# Base64 解码
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try:
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# 解密消息
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ciphertext = base64.b64decode(password)
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# 使用 PKCS#1 v1.5 填充解密
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plaintext = private_key.decrypt(
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ciphertext,
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padding.PKCS1v15() # 改为 PKCS#1 v1.5 填充
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)
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return plaintext.decode()
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except Exception as e:
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print(e)
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return ""
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