82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
# app/utils/decorators.py
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from functools import wraps
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from flask_jwt_extended import get_jwt, verify_jwt_in_request
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from flask import jsonify, g
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import logging
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def role_required(*roles):
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"""
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自定义装饰器：检查用户角色
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使用方法: @role_required('super_admin', 'finance')
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"""
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def wrapper(fn):
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@wraps(fn)
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def decorator(*args, **kwargs):
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claims = get_jwt()
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user_role = claims.get('role')
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# 如果是超级管理员，拥有上帝视角，直接放行 (可选)
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if user_role == 'super_admin':
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return fn(*args, **kwargs)
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if user_role not in roles:
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return jsonify(msg='权限不足：您没有访问此资源的权限'), 403
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return fn(*args, **kwargs)
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return decorator
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return wrapper
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def login_required(fn):
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"""
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验证 JWT 令牌是否存在且有效
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"""
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@wraps(fn)
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def decorator(*args, **kwargs):
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try:
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verify_jwt_in_request()
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except Exception as e:
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logging.warning(f"JWT verification failed: {e}")
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return jsonify(msg='登录已过期，请重新登录'), 401
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return fn(*args, **kwargs)
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return decorator
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def permission_required(permission_code):
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"""
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检查当前用户是否拥有指定权限码
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使用方法: @permission_required('material:base:read')
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"""
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def wrapper(fn):
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@wraps(fn)
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def decorator(*args, **kwargs):
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# 首先验证 JWT
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try:
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verify_jwt_in_request()
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except Exception as e:
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logging.warning(f"JWT verification failed: {e}")
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return jsonify(msg='登录已过期，请重新登录'), 401
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claims = get_jwt()
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user_role = claims.get('role')
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# 超级管理员放行
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if user_role == 'super_admin':
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return fn(*args, **kwargs)
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# TODO: 根据角色和 permission_code 查询数据库验证权限
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# 此处为示例逻辑：假设角色 'admin' 和 'manager' 拥有所有权限
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# 实际项目中应替换为真实的权限查询
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if user_role in ['admin', 'manager']:
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return fn(*args, **kwargs)
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# 其他角色暂时拒绝，并记录日志
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logging.warning(
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f'Permission check not implemented for {permission_code}, user role {user_role}. Access denied.')
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return jsonify(msg='权限不足：您没有访问此资源的权限'), 403
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return decorator
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return wrapper
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