mirror of
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100 lines
3.7 KiB
Python
100 lines
3.7 KiB
Python
import re
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from django.utils.deprecation import MiddlewareMixin
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from django.conf import settings
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from django.shortcuts import render
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class MenuCollection(MiddlewareMixin):
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def get_user(self, request):
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return request.user
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def get_menu_from_role(self, request, user=None):
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if user is None:
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user = self.get_user(request)
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try:
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menus = user.roles.values(
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'permissions__id',
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'permissions__name',
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'permissions__url',
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'permissions__icon',
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'permissions__code',
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'permissions__parent'
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).distinct()
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return [menu for menu in menus if menu['permissions__id'] is not None]
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except AttributeError:
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return None
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def get_permission_url(self, request):
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role_menus = self.get_menu_from_role(request)
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if role_menus is not None:
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permission_url_list = [menu['permissions__url'] for menu in role_menus]
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return permission_url_list
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def get_permission_menu(self, request):
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permission_menu_list = []
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role_menus = self.get_menu_from_role(request)
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if role_menus is not None:
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for item in role_menus:
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menu = {
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'id': item['permissions__id'],
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'name': item['permissions__name'],
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'url': item['permissions__url'],
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'icon': item['permissions__icon'],
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'code': item['permissions__code'],
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'parent': item['permissions__parent'],
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'status': False,
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'sub_menu': [],
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}
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permission_menu_list.append(menu)
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return permission_menu_list
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def get_top_reveal_menu(self, request):
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top_menu = []
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permission_menu_dict = {}
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request_url = request.path_info
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permission_menu_list = self.get_permission_menu(request)
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if permission_menu_list is not None:
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for menu in permission_menu_list:
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url = menu['url']
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if url and re.match(url, request_url):
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menu['status'] = True
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if menu['parent'] is None:
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top_menu.insert(0, menu)
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permission_menu_dict[menu['id']] = menu
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menu_data = []
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for i in permission_menu_dict:
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if permission_menu_dict[i]['parent']:
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pid = permission_menu_dict[i]['parent']
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parent_menu = permission_menu_dict[pid]
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parent_menu['sub_menu'].append(permission_menu_dict[i])
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else:
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menu_data.append(permission_menu_dict[i])
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if [menu['sub_menu'] for menu in menu_data if menu['url'] in request_url]:
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reveal_menu = [menu['sub_menu'] for menu in menu_data if menu['url'] in request_url][0]
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else:
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reveal_menu = None
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return top_menu, reveal_menu
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def process_request(self, request):
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if self.get_top_reveal_menu(request):
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request.top_menu, request.reveal_menu = self.get_top_reveal_menu(request)
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request.permission_url_list = self.get_permission_url(request)
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class RbacMiddleware(MiddlewareMixin):
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def process_request(self, request):
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if hasattr(request, 'permission_url_list'):
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request_url = request.path_info
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permission_url = request.permission_url_list
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for url in settings.SAFE_URL:
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if re.match(url, request_url):
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return None
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if request_url in permission_url:
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return None
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else:
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return render(request, 'page404.html') |