Ubuntu
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
"""
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JWT 认证相关
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"""
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from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.orm import Session
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from database import get_db
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from models import User
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# 配置
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SECRET_KEY = "fumamx-crm-secret-key-2024" # 生产环境应使用环境变量
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_DAYS = 7
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# 密码加密
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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security = HTTPBearer()
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def verify_password(plain_password: str, hashed_password: str) -> bool:
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"""验证密码"""
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return pwd_context.verify(plain_password, hashed_password)
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def get_password_hash(password: str) -> str:
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"""获取密码哈希"""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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"""创建 JWT Token"""
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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(days=ACCESS_TOKEN_EXPIRE_DAYS)
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to_encode.update({"exp": expire})
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encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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return encoded_jwt
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def get_current_user(
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credentials: HTTPAuthorizationCredentials = Depends(security),
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db: Session = Depends(get_db)
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) -> User:
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"""获取当前登录用户"""
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token = credentials.credentials
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="无效的认证凭据",
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headers={"WWW-Authenticate": "Bearer"},
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)
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try:
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payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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except JWTError:
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raise credentials_exception
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user = db.query(User).filter(User.username == username).first()
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if user is None:
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raise credentials_exception
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return user
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def init_admin_user(db: Session):
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"""初始化管理员账号"""
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admin = db.query(User).filter(User.username == "admin").first()
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if not admin:
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admin = User(
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username="admin",
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hashed_password=get_password_hash("zf9wx4xm7")
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)
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db.add(admin)
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db.commit()
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print("✓ 管理员账号已创建: admin / zf9wx4xm7")
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