Ubuntu
126 lines
3.9 KiB
Python
126 lines
3.9 KiB
Python
"""
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认证路由
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"""
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from fastapi import APIRouter, Depends, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from sqlalchemy.orm import Session
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from datetime import datetime, timedelta
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from jose import JWTError, jwt
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from passlib.context import CryptContext
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import os
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import sys
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from database import get_db
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from models import Admin
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from schemas import LoginRequest, LoginResponse, PasswordChange
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router = APIRouter(prefix="/api/auth", tags=["认证"])
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# 安全配置
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SECRET_KEY = "your-secret-key-change-in-production" # 生产环境修改
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ALGORITHM = "HS256"
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ACCESS_TOKEN_EXPIRE_DAYS = 7
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pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
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oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/auth/login")
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def verify_password(plain_password, hashed_password):
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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):
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"""生成密码哈希"""
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return pwd_context.hash(password)
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def create_access_token(data: dict, expires_delta: timedelta = None):
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"""创建JWT令牌"""
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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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async def get_current_admin(token: str = Depends(oauth2_scheme), db: Session = Depends(get_db)):
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"""获取当前登录管理员"""
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="无法验证凭据",
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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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admin = db.query(Admin).filter(Admin.username == username).first()
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if admin is None:
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raise credentials_exception
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return admin
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@router.post("/login", response_model=LoginResponse)
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def login(login_data: LoginRequest, db: Session = Depends(get_db)):
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"""管理员登录"""
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admin = db.query(Admin).filter(Admin.username == login_data.username).first()
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if not admin or not verify_password(login_data.password, admin.password_hash):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="用户名或密码错误"
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)
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access_token = create_access_token(data={"sub": admin.username})
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return {"access_token": access_token, "token_type": "bearer"}
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@router.post("/change-password")
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def change_password(
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password_data: PasswordChange,
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current_admin: Admin = Depends(get_current_admin),
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db: Session = Depends(get_db)
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):
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"""修改密码"""
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# 验证原密码
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if not verify_password(password_data.old_password, current_admin.password_hash):
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="原密码错误"
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)
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# 更新密码
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current_admin.password_hash = get_password_hash(password_data.new_password)
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db.commit()
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return {"message": "密码修改成功"}
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@router.get("/me")
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def get_me(current_admin: Admin = Depends(get_current_admin)):
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"""获取当前管理员信息"""
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return {"username": current_admin.username}
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def init_admin(db: Session):
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"""初始化默认管理员账号"""
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admin = db.query(Admin).filter(Admin.username == "admin").first()
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if not admin:
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admin = Admin(
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username="admin",
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password_hash=get_password_hash("admin123")
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)
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db.add(admin)
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db.commit()
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print("✅ 默认管理员账号已创建: admin / admin123")
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