TastyPie:get and Anonymous的身份验证

Question

我使用django/tastypie来管理我的用户收藏。

是否可以允许匿名用户在API中发布（在某个端点创建新用户时）并限制身份验证的用户仅获取自己的用户，但不是所有用户？

感谢您的帮助。

Answer 1

我发现最简单的事情是为我使用的身份验证类子类。只需覆盖is_authenticated方法以返回True时。

class AnonymousPostAuthentication(BasicAuthentication):
    """ No auth on post / for user creation """
    def is_authenticated(self, request, **kwargs):
        """ If POST, don't check auth, otherwise fall back to parent """
        if request.method == "POST":
            return True
        else:
            return super(AnonymousPostAuthentication, self).is_authenticated(request, **kwargs)

我将验证放在Validation的子类中，并覆盖is_valid。

我按照桑普森在上面的方式进行过滤。

Answer 2

是的，可以同时做。

这是一个简单的示例，说明如何让身份验证的用户仅获取自己的用户JSON，而不是来自所有其他用户：（假设您正在使用Django的内置用户基础结构）：

# In api.py (or resource.py):
...
from tastypie.resources import ModelResource
from tastypie import fields
from models import *
from django.contrib.auth.models import User, Group
from tastypie.authentication import BasicAuthentication
from tastypie.authorization import DjangoAuthorization
...
# REST endpoint for authenticating user accounts
class UserResource(ModelResource):
    class Meta:
        queryset = User.objects.all()
        resource_name = 'auth/user'
        list_allowed_methods = ['get']
        detail_allowed_methods = ['get']
        authentication = BasicAuthentication()
        authorization = DjangoAuthorization()
    def apply_authorization_limits(self, request, object_list):
        return object_list.filter(username=request.user)

这是一个简单的例子，说明如何让匿名用户帖子创建新用户（警告：这不使用tastypie，严格来说是说话）

# In views.py:
...
from django.http import HttpResponse
from django.contrib.auth.models import User, Group
from django.contrib.auth import authenticate
from django.http import Http404
from django.utils import timezone
from models import *
from api import *
from django.utils import simplejson
...
# REST endpoint for user registration
# Enforces server-side mediation (input validation)
# On failure, raises Http404
# On success, redirects to registration success page
def register_user(request):
    if request.method != 'POST':
        raise Http404('Only POSTs are allowed')
    # acquire params
    username = request.POST['username']
    password = request.POST['password']
    repeatpw = request.POST['repeatpw']
    first_name = request.POST['first_name']
    last_name = request.POST['last_name']
    # Server-side mediation to check for invalid input
    if username == '' or username is None:
        raise Http404('Server-side mediation: Invalid Username')
    if len(username) > 30:
        raise Http404('Server-side mediation: username must be 30 characters or fewer')
    if len(first_name) > 30:
        raise Http404('Server-side mediation: first name must be 30 characters or fewer')
    if len(last_name) > 30:
        raise Http404('Server-side mediation: last name msut be 30 characters or fewer')
    if len(password) < 4:
        raise Http404('Server-side mediation: Password too short')
    if password != repeatpw:
        raise Http404('Server-side mediation: Password Mismatch')
    # This try-except block checks existence of username conflict
    try:
        test_user_exists = User.objects.get(username__exact=username)
        if test_user_exists != None:
            raise Http404('Server-side mediation: Username exists')
    except User.DoesNotExist:
        pass
    # Input passes all tests, proceed with user creation
    user = User.objects.create_user(username, '[e-mail]', password)
    group = Group.objects.get(name='Standard')
    user.first_name = first_name
    user.last_name = last_name
    user.groups.add(group)
    user.is_staff = False    
    user.save()
    # Build confirmation JSON
    confirmation = {
            'action': 'register_user',
            'username': username,
            'success': 'yes',
    }
    json_return = simplejson.dumps(confirmation)
    # return JSON of the success confirmation
    return HttpResponse(json_return, mimetype='application/json')

基于此，这是您如何使用curl：

通过其余端点创建新用户的脚本

#!/bin/bash
echo "Usage: ./register_user username password repeatpw first_name last_name"
curl -v -d "username=$1&password=$2&repeatpw=$3&first_name=$4&last_name=$5" http://127.0.0.1:8000/register_user/ > result