170 lines
6.8 KiB
Python
170 lines
6.8 KiB
Python
"""
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django中间件
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"""
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import json
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import logging
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import os
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from django.conf import settings
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from django.contrib.auth.models import AnonymousUser
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from django.utils.deprecation import MiddlewareMixin
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from apps.vadmin.permission.models import Menu
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from apps.vadmin.system.models import OperationLog
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from ..utils.request_util import get_request_ip, get_request_data, get_request_path, get_browser, get_os, \
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get_login_location, get_request_canonical_path, get_request_user, get_verbose_name
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from ..utils.response import ErrorJsonResponse
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logger = logging.getLogger(__name__)
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class ApiLoggingMiddleware(MiddlewareMixin):
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"""
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用于记录API访问日志中间件
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"""
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def __init__(self, get_response=None):
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super().__init__(get_response)
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self.enable = getattr(settings, 'API_LOG_ENABLE', None) or False
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self.methods = getattr(settings, 'API_LOG_METHODS', None) or set()
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@classmethod
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def __handle_request(cls, request):
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request.request_ip = get_request_ip(request)
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request.request_data = get_request_data(request)
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request.request_path = get_request_path(request)
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@classmethod
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def __handle_response(cls, request, response):
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# request_data,request_ip由PermissionInterfaceMiddleware中间件中添加的属性
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body = getattr(request, 'request_data', {})
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# 请求含有password则用*替换掉(暂时先用于所有接口的password请求参数)
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if isinstance(body, dict) and body.get('password', ''):
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body['password'] = '*' * len(body['password'])
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if not hasattr(response, 'data') or not isinstance(response.data, dict):
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response.data = {}
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if not response.data and response.content:
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try:
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content = json.loads(response.content.decode())
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response.data = content if isinstance(content, dict) else {}
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except:
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pass
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user = get_request_user(request)
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info = {
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'request_ip': getattr(request, 'request_ip', 'unknown'),
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'creator': user if not isinstance(user, AnonymousUser) else None,
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'dept_belong_id': getattr(request.user, 'dept_id', None),
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'request_method': request.method,
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'request_path': request.request_path,
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'request_body': body,
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'response_code': response.data.get('code'),
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'request_location': get_login_location(request),
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'request_os': get_os(request),
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'request_browser': get_browser(request),
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'request_msg': request.session.get('request_msg'),
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'status': True if response.data.get('code') in [200, 204] else False,
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'json_result': {"code": response.data.get('code'), "msg": response.data.get('msg')},
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'request_modular': request.session.get('model_name'),
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}
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log = OperationLog(**info)
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log.save()
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def process_view(self, request, view_func, view_args, view_kwargs):
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if hasattr(view_func, 'cls') and hasattr(view_func.cls, 'queryset'):
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request.session['model_name'] = get_verbose_name(view_func.cls.queryset)
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return
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def process_request(self, request):
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self.__handle_request(request)
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def process_response(self, request, response):
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"""
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主要请求处理完之后记录
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:param request:
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:param response:
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:return:
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"""
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if self.enable:
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if self.methods == 'ALL' or request.method in self.methods:
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self.__handle_response(request, response)
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return response
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class PermissionModeMiddleware(MiddlewareMixin):
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"""
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权限模式拦截判断
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"""
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def process_request(self, request):
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return
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def has_interface_permission(self, request, method, view_path, user=None):
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"""
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接口权限验证,优先级:
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(1)接口是否接入权限管理, 是:继续; 否:通过
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(2)认证的user是否superuser, 是:通过; 否:继续
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(3)user的角色有该接口权限, 是:通过, 否:不通过
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auth_code含义: auth_code >=0, 表示接口认证通过; auth_code < 0, 表示无接口访问权限, 具体含义如下
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-1:
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-10: 该请求已认证的用户没有这个接口的访问权限
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0:
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1: 白名单
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10: 该接口没有录入权限系统, 放行 请求中认证的用户为超级管理员, 直接放行
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20: 请求中认证的用户是superuser放行
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30: 请求中认证的用户对应的角色中,某个角色包含了该接口的访问权限, 放行
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1. 先获取所有录入系统的接口
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2 判断此用户是否为 superuser
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3. 获取此用户所请求的接口
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4. 获取此用户关联角色所有有权限的接口
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:param interface: 接口模型
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:param path: 接口路径
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:param method: 请求方法
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:param project: 接口所属项目
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:param args:
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:param kwargs:
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:return:
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"""
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interface_dict = Menu.get_interface_dict()
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# (1) 接口是否接入权限管理, 是:继续; 否:通过
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if not view_path in interface_dict.get(method, []):
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return 10
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# (2)认证的user是否superuser, 是:通过; 否:继续
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if user.is_superuser or (hasattr(user, 'role') and user.role.filter(status='1', admin=True).count()):
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return 20
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# (3)user的角色有该接口权限, 是:通过, 否:不通过
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if view_path in user.get_user_interface_dict.get(method, []):
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return 30
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return -10
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def process_view(self, request, view_func, view_args, view_kwargs):
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# 判断环境变量中，是否为演示模式(正常可忽略此判断)
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white_list = ['/admin/logout/', '/admin/login/', '/admin/api-auth/login/']
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if os.getenv('DEMO_ENV') and not request.method in ['GET', 'OPTIONS'] and request.path not in white_list:
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return ErrorJsonResponse(data={}, msg=f'演示模式，不允许操作!')
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if not settings.INTERFACE_PERMISSION:
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return
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user = get_request_user(request)
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if user and not isinstance(user, AnonymousUser):
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method = request.method.upper()
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if method == 'GET': # GET 不设置接口权限
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return
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view_path = get_request_canonical_path(request, *view_args, **view_kwargs)
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auth_code = self.has_interface_permission(request, method, view_path, user)
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logger.info(f"[{user.username}] {method}:{view_path}, 权限认证:{auth_code}")
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if auth_code >= 0:
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return
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return ErrorJsonResponse(data={}, msg=f'无接口访问权限!')
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def process_response(self, request, response):
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"""
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主要请求处理完之后记录
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:param request:
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:param response:
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:return:
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"""
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return response
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