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认证和授权

认证和授权

作者: 马小跳_ | 来源:发表于2018-02-08 17:41 被阅读21次

    用户url传入的token认证

    urls.py

    from django.conf.urls import url, include
    from web.viewsimport TestView
    
    urlpatterns = [
        url(r'^test/', TestView.as_view()),
    ]
    

    views.py

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework.authentication import BaseAuthentication
    from rest_framework.request import Request
    from rest_framework import exceptions
    
    token_list = [
        'sfsfss123kuf3j123',
        'asijnfowerkkf9812',
    ]
    
    
    class TestAuthentication(BaseAuthentication):
        def authenticate(self, request):
            """
            用户认证,如果验证成功后返回元组: (用户,用户Token)
            :param request: 
            :return: 
                None,表示跳过该验证;
                    如果跳过了所有认证,默认用户和Token和使用配置文件进行设置
                    self._authenticator = None
                    if api_settings.UNAUTHENTICATED_USER:
                        self.user = api_settings.UNAUTHENTICATED_USER()
                    else:
                        self.user = None
            
                    if api_settings.UNAUTHENTICATED_TOKEN:
                        self.auth = api_settings.UNAUTHENTICATED_TOKEN()
                    else:
                        self.auth = None
                (user,token)表示验证通过并设置用户名和Token;
                AuthenticationFailed异常
            """
            val = request.query_params.get('token')
            if val not in token_list:
                raise exceptions.AuthenticationFailed("用户认证失败")
    
            return ('登录用户', '用户token')
    
        def authenticate_header(self, request):
            """
            Return a string to be used as the value of the `WWW-Authenticate`
            header in a `401 Unauthenticated` response, or `None` if the
            authentication scheme should return `403 Permission Denied` responses.
            """
            # 验证失败时,返回的响应头WWW-Authenticate对应的值
            pass
    
    
    class TestView(APIView):
        authentication_classes = [TestAuthentication, ]
        permission_classes = []
    
        def get(self, request, *args, **kwargs):
            print(request.user)
            print(request.auth)
            return Response('GET请求,响应内容')
    
        def post(self, request, *args, **kwargs):
            return Response('POST请求,响应内容')
    
        def put(self, request, *args, **kwargs):
            return Response('PUT请求,响应内容')
    

    请求头认证

    urls.py

    from django.conf.urls import url, include
    from web.viewsimport TestView
    
    urlpatterns = [
        url(r'^test/', TestView.as_view()),
    ]
    

    views.py

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework.authentication import BaseAuthentication
    from rest_framework.request import Request
    from rest_framework import exceptions
    
    token_list = [
        'sfsfss123kuf3j123',
        'asijnfowerkkf9812',
    ]
    
    
    class TestAuthentication(BaseAuthentication):
        def authenticate(self, request):
            """
            用户认证,如果验证成功后返回元组: (用户,用户Token)
            :param request: 
            :return: 
                None,表示跳过该验证;
                    如果跳过了所有认证,默认用户和Token和使用配置文件进行设置
                    self._authenticator = None
                    if api_settings.UNAUTHENTICATED_USER:
                        self.user = api_settings.UNAUTHENTICATED_USER()
                    else:
                        self.user = None
            
                    if api_settings.UNAUTHENTICATED_TOKEN:
                        self.auth = api_settings.UNAUTHENTICATED_TOKEN()
                    else:
                        self.auth = None
                (user,token)表示验证通过并设置用户名和Token;
                AuthenticationFailed异常
            """
            import base64
            auth = request.META.get('HTTP_AUTHORIZATION', b'')
            if auth:
                auth = auth.encode('utf-8')
            auth = auth.split()
            if not auth or auth[0].lower() != b'basic':
                raise exceptions.AuthenticationFailed('验证失败')
            if len(auth) != 2:
                raise exceptions.AuthenticationFailed('验证失败')
            username, part, password = base64.b64decode(auth[1]).decode('utf-8').partition(':')
            if username == 'alex' and password == '123':
                return ('登录用户', '用户token')
            else:
                raise exceptions.AuthenticationFailed('用户名或密码错误')
    
        def authenticate_header(self, request):
            """
            Return a string to be used as the value of the `WWW-Authenticate`
            header in a `401 Unauthenticated` response, or `None` if the
            authentication scheme should return `403 Permission Denied` responses.
            """
            return 'Basic realm=api'
    
    
    class TestView(APIView):
        authentication_classes = [TestAuthentication, ]
        permission_classes = []
    
        def get(self, request, *args, **kwargs):
            print(request.user)
            print(request.auth)
            return Response('GET请求,响应内容')
    
        def post(self, request, *args, **kwargs):
            return Response('POST请求,响应内容')
    
        def put(self, request, *args, **kwargs):
            return Response('PUT请求,响应内容')
    

    多个认证规则

    urls.py

    from django.conf.urls import url, include
    from web.views.s2_auth import TestView
    
    urlpatterns = [
        url(r'^test/', TestView.as_view()),
    ]
    

    views.py

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework.authentication import BaseAuthentication
    from rest_framework.request import Request
    from rest_framework import exceptions
    
    token_list = [
        'sfsfss123kuf3j123',
        'asijnfowerkkf9812',
    ]
    
    
    class Test1Authentication(BaseAuthentication):
        def authenticate(self, request):
            import base64
            auth = request.META.get('HTTP_AUTHORIZATION', b'')
            if auth:
                auth = auth.encode('utf-8')
            else:
                return None
            print(auth,'xxxx')
            auth = auth.split()
            if not auth or auth[0].lower() != b'basic':
                raise exceptions.AuthenticationFailed('验证失败')
            if len(auth) != 2:
                raise exceptions.AuthenticationFailed('验证失败')
            username, part, password = base64.b64decode(auth[1]).decode('utf-8').partition(':')
            if username == 'alex' and password == '123':
                return ('登录用户', '用户token')
            else:
                raise exceptions.AuthenticationFailed('用户名或密码错误')
    
        def authenticate_header(self, request):
            """
            Return a string to be used as the value of the `WWW-Authenticate`
            header in a `401 Unauthenticated` response, or `None` if the
            authentication scheme should return `403 Permission Denied` responses.
            """
            # return 'Basic realm=api'
            pass
    
    class Test2Authentication(BaseAuthentication):
        def authenticate(self, request):
            val = request.query_params.get('token')
            if val not in token_list:
                raise exceptions.AuthenticationFailed("用户认证失败")
    
            return ('登录用户', '用户token')
    
        def authenticate_header(self, request):
            """
            Return a string to be used as the value of the `WWW-Authenticate`
            header in a `401 Unauthenticated` response, or `None` if the
            authentication scheme should return `403 Permission Denied` responses.
            """
            pass
    
    
    class TestView(APIView):
        authentication_classes = [Test1Authentication, Test2Authentication]
        permission_classes = []
    
        def get(self, request, *args, **kwargs):
            print(request.user)
            print(request.auth)
            return Response('GET请求,响应内容')
    
        def post(self, request, *args, **kwargs):
            return Response('POST请求,响应内容')
    
        def put(self, request, *args, **kwargs):
            return Response('PUT请求,响应内容')
    

    认证和权限

    urls.py

    from django.conf.urls import url, include
    from web.views import TestView
    
    urlpatterns = [
        url(r'^test/', TestView.as_view()),
    ]
    

    views.py

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from rest_framework.authentication import BaseAuthentication
    from rest_framework.permissions import BasePermission
    
    from rest_framework.request import Request
    from rest_framework import exceptions
    
    token_list = [
        'sfsfss123kuf3j123',
        'asijnfowerkkf9812',
    ]
    
    
    class TestAuthentication(BaseAuthentication):
        def authenticate(self, request):
            val = request.query_params.get('token')
            if val not in token_list:
                raise exceptions.AuthenticationFailed("用户认证失败")
    
            return ('登录用户', '用户token')
    
        def authenticate_header(self, request):
            """
            Return a string to be used as the value of the `WWW-Authenticate`
            header in a `401 Unauthenticated` response, or `None` if the
            authentication scheme should return `403 Permission Denied` responses.
            """
            pass
    
    
    class TestPermission(BasePermission):
        message = "权限验证失败"
    
        def has_permission(self, request, view):
            """
            判断是否有权限访问当前请求
            Return `True` if permission is granted, `False` otherwise.
            :param request: 
            :param view: 
            :return: True有权限;False无权限
            """
            if request.user == "管理员":
                return True
    
        # GenericAPIView中get_object时调用
        def has_object_permission(self, request, view, obj):
            """
            视图继承GenericAPIView,并在其中使用get_object时获取对象时,触发单独对象权限验证
            Return `True` if permission is granted, `False` otherwise.
            :param request: 
            :param view: 
            :param obj: 
            :return: True有权限;False无权限
            """
            if request.user == "管理员":
                return True
    
    
    class TestView(APIView):
        # 认证的动作是由request.user触发
        authentication_classes = [TestAuthentication, ]
    
        # 权限
        # 循环执行所有的权限
        permission_classes = [TestPermission, ]
    
        def get(self, request, *args, **kwargs):
            # self.dispatch
            print(request.user)
            print(request.auth)
            return Response('GET请求,响应内容')
    
        def post(self, request, *args, **kwargs):
            return Response('POST请求,响应内容')
    
        def put(self, request, *args, **kwargs):
            return Response('PUT请求,响应内容')
    

    全局使用

    上述操作中均是对单独视图进行特殊配置,如果想要对全局进行配置,则需要再配置文件中写入即可。
    settings.py

    REST_FRAMEWORK = {
        'UNAUTHENTICATED_USER': None,
        'UNAUTHENTICATED_TOKEN': None,
        "DEFAULT_AUTHENTICATION_CLASSES": [
            "web.utils.TestAuthentication",
        ],
        "DEFAULT_PERMISSION_CLASSES": [
            "web.utils.TestPermission",
        ],
    }
    

    urls.py

    from django.conf.urls import url, include
    from web.views import TestView
    
    urlpatterns = [
        url(r'^test/', TestView.as_view()),
    ]
    

    views.py

    from rest_framework.response import Response
    
    class TestView(APIView):
    
        def get(self, request, *args, **kwargs):
            # self.dispatch
            print(request.user)
            print(request.auth)
            return Response('GET请求,响应内容')
    
        def post(self, request, *args, **kwargs):
            return Response('POST请求,响应内容')
    
        def put(self, request, *args, **kwargs):
            return Response('PUT请求,响应内容')
    

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