Python编程:Django中间件实现登陆验证
Django请求处理图
当然可以使用装饰器,不过不利于维护,还是妥妥的使用中间件
设置 setting.py
MIDDLEWARE = [
'mymiddlewares.AccessAuthMiddleWare',
]
# 放行url,不进行登录验证
EXCLUDE_URL = [
"/login"
]
# 用户名密码
USERS = [
("username", "password")
]
自定义 mymiddleware.py
import re
from django.shortcuts import redirect
from django.utils.deprecation import MiddlewareMixin
from settings import EXCLUDE_URL, USERS
exclued_path = [re.compile(item) for item in EXCLUDE_URL]
class AccessAuthMiddleWare(MiddlewareMixin):
"""
访问控制
"""
def process_request(self, request):
# 放行
url_path = request.path
for each in exclued_path:
if re.match(each, url_path):
return None
# 验证
user = request.COOKIES.get('user')
password = request.COOKIES.get('password')
if (user, password) in USERS:
return None
else:
return redirect('/login')