MrDoc/app_admin/decorators.py
2020-03-29 20:48:02 +08:00

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from django.core.exceptions import PermissionDenied # 权限拒绝异常
from django.http import Http404,JsonResponse
from app_admin.models import SysSetting
from app_api.models import UserToken
from django import VERSION as django_version
# 超级管理员用户需求
def superuser_only(function):
"""限制视图只有超级管理员能够访问"""
def _inner(request, *args, **kwargs):
if request.user.is_authenticated:
if not request.user.is_superuser:
raise PermissionDenied
else:
raise PermissionDenied
return function(request, *args, **kwargs)
return _inner
# 开放注册需求
def open_register(function):
'''只有开放注册才能访问'''
def _inner(request,*args,**kwargs):
try:
status = SysSetting.objects.get(name='close_register')
except:
# 如果不存在close_register这个属性那么表示是开放注册的
return function(request, *args, **kwargs)
if status.value == 'on':
raise Http404
return function(request, *args, **kwargs)
return _inner
# 请求头验证
def check_headers(function):
def _inner(request,*args,**kwargs):
metas = request.META
# if 'HTTP_COOKIE' not in metas:
# raise Http404
if 'HTTP_USER_AGENT' not in metas:
raise Http404
return function(request, *args, **kwargs)
return _inner
# 开放前台文集导出
def allow_report_file(function):
def _inner(request,*args,**kwargs):
try:
status = SysSetting.objects.get(name='enable_project_report')
except:
# 如果不存在enable_project_report这个属性那么表示是禁止导出的
raise Http404
# 启用导出
if status.value == 'on':
return function(request, *args, **kwargs)
else:
raise Http404
return _inner
# Token头验证
# def check_token(function):
# def _inner(request,*args,**kwargs):
# if django_version[0] == 2 and django_version[1] >= 2:
# headers = request.headers
# print(headers)
# if 'Mrdoc-Token' not in headers:
# return JsonResponse({'data':'非法请求'})
# else:
# token = headers['Mrdoc-Token']
# is_vail = UserToken.objects.filter(token=token)
# if is_vail.exists():
# return function(request,*args,**kwargs)
# else:
# return JsonResponse({'data':'无效Token'})
# else:
# metas = request.META
# return _inner