사용자인증(3)

# minitutorial/settings.py

# 생략

EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = 'awesome@gmail.com'
EMAIL_HOST_PASSWORD = '7h1515myp455w0rd'
EMAIL_USE_TLS = True

>>> from minitutorial import settings
>>> from user.models import User
>>> user = User.objects.get(email='swarf00@gmail.com')          # 회원가입된 사용자
>>> user.email_user('test', 'this is a test', from_email=settings.EMAIL_HOST_USER)  # 제목, 본문

# user/models.py

# 생략

class User(AbstractBaseUser, PermissionsMixin):
    email = models.EmailField(verbose_name=_('email address'), unique=True, blank=False)
    name = models.CharField(_('name'), max_length=30, blank=True)
    is_staff = models.BooleanField(
        _('staff status'),
        default=False,
        help_text=_('Designates whether the user can log into this admin site.'),
    )
    is_active = models.BooleanField(
        _('active'),
        default=False,                 # 기본값을 False 로 변경
        help_text=_(
            'Designates whether this user should be treated as active. '
            'Unselect this instead of deleting accounts.'
        ),
    )

# 생략

# user/views.py

from django.contrib import messages
from django.contrib.auth.tokens import default_token_generator

from minitutorial import settings

# 생략

class UserRegistrationView(CreateView):
    model = get_user_model()
    form_class = UserRegistrationForm
    success_url = '/user/login/'
    verify_url = '/user/verify/'
    token_generator = default_token_generator

    def form_valid(self, form):
        response = super().form_valid(form)
        if form.instance:
            self.send_verification_email(form.instance)
        return response

    def send_verification_email(self, user):
        token = self.token_generator.make_token(user)
        user.email_user('회원가입을 축하드립니다.', '다음 주소로 이동하셔서 인증하세요. {}'.format(self.build_verification_link(user, token)), from_email=settings.EMAIL_HOST_USER)
        messages.info(self.request, '회원가입을 축하드립니다. 가입하신 이메일주소로 인증메일을 발송했으니 확인 후 인증해주세요.')

    def build_verification_link(self, user, token):
        return '{}/user/{}/verify/{}/'.format(self.request.META.get('HTTP_ORIGIN'), user.pk, token)

# 생략

# user/views.py

from django.http import HttpResponseRedirect
from django.views.generic.base import TemplateView

# 생략

class UserVerificationView(TemplateView):

    model = get_user_model()
    redirect_url = '/user/login/'
    token_generator = default_token_generator

    def get(self, request, *args, **kwargs):
        if self.is_valid_token(**kwargs):
            messages.info(request, '인증이 완료되었습니다.')
        else:
            messages.error(request, '인증이 실패되었습니다.')
        return HttpResponseRedirect(self.redirect_url)   # 인증 성공여부와 상관없이 무조건 로그인 페이지로 이동

    def is_valid_token(self, **kwargs):
        pk = kwargs.get('pk')
        token = kwargs.get('tonen')
        user = self.model.objects.get(pk=pk)
        is_valid = self.token_generator.check_token(user, token)
        if is_valid:
            user.is_active = True
            user.save()     # 데이터가 변경되면 반드시 save() 메소드 호출
        return is_valid

# 생략

# minitutorial/urls.py

from user.views import UserRegistrationView, UserLoginView, UserVerificationView

urlpatterns = [
    path('hello/<to>', hello), 

    path('article/', ArticleListView.as_view(), name='article-list'),
    path('article/create/', ArticleCreateUpdateView.as_view()),
    path('article/<article_id>/', ArticleDetailView.as_view()),
    path('article/<article_id>/update/', ArticleCreateUpdateView.as_view()),

    path('user/create/', UserRegistrationView.as_view()),
    path('user/<pk>/verify/<token>/', UserVerificationView.as_view()),
    path('user/login/', UserLoginView.as_view()),

    path('admin/', admin.site.urls),
]

# user/views.py

from django.shortcuts import render

# 생략

class UserRegistrationView(CreateView):
    model = get_user_model()
    form_class = UserRegistrationForm
    success_url = '/user/login/'
    verify_url = '/user/verify/'
    email_template_name = 'user/email/registration_verification.html'
    token_generator = default_token_generator

    def form_valid(self, form):
        response = super().form_valid(form)
        if form.instance:
            self.send_verification_email(form.instance)
        return response

    def send_verification_email(self, user):
        token = self.token_generator.make_token(user)
        url = self.build_verification_link(user, token)
        subject = '회원가입을 축하드립니다.'
        message = '다음 주소로 이동하셔서 인증하세요. {}'.format(url)
        html_message = render(self.request, self.email_template_name, {'url': url}).content.decode('utf-8')
        user.email_user(subject, message, settings.EMAIL_HOST_USER, html_message=html_message)
        messages.info(self.request, '회원가입을 축하드립니다. 가입하신 이메일주소로 인증메일을 발송했으니 확인 후 인증해주세요.')

    def build_verification_link(self, user, token):
        return '{}/user/{}/verify/{}/'.format(self.request.META.get('HTTP_ORIGIN'), user.pk, token)

# 생략

# user/views.py

from django.views.generic import CreateView, FormView

# 생략

class ResendVerifyEmailView(FormView):
    model = get_user_model()
    form_class = VerificationEmailForm
    success_url = '/user/login/'
    template_name = 'user/resend_verify_email.html'
    email_template_name = 'user/email/registration_verification.html'
    token_generator = default_token_generator

    def send_verification_email(self, user):
        token = self.token_generator.make_token(user)
        url = self.build_verification_link(user, token)
        subject = '회원가입을 축하드립니다.'
        message = '다음 주소로 이동하셔서 인증하세요. {}'.format(url)
        html_message = render(self.request, self.email_template_name, {'url': url}).content.decode('utf-8')
        user.email_user(subject, message, from_email=settings.EMAIL_HOST_USER, html_message=html_message)
        messages.info(self.request, '회원가입을 축하드립니다. 가입하신 이메일주소로 인증메일을 발송했으니 확인 후 인증해주세요.')
    
    def build_verification_link(self, user, token):
        return '{}/user/{}/verify/{}/'.format(self.request.META.get('HTTP_ORIGIN'), user.pk, token)

    def form_valid(self, form):
        email = form.cleaned_data['email']
        try:
            user = self.model.objects.get(email=email)
        except self.model.DoesNotExist:
            messages.error(self.request, '알 수 없는 사용자 입니다.')
        else:
            self.send_verification_email(user)
        return super().form_valid(form)

# user/mixins.py

from django.contrib import messages
from django.contrib.auth.tokens import default_token_generator
from django.shortcuts import render

from minitutorial import settings


class VerifyEmailMixin:
    email_template_name = 'user/email/registration_verification.html'
    token_generator = default_token_generator

    def send_verification_email(self, user):
        token = self.token_generator.make_token(user)
        url = self.build_verification_link(user, token)
        subject = '회원가입을 축하드립니다.'
        message = '다음 주소로 이동하셔서 인증하세요. {}'.format(url)
        html_message = render(self.request, self.email_template_name, {'url': url}).content.decode('utf-8')
        user.email_user(subject, message, from_email=settings.EMAIL_HOST_USER,html_message=html_message)
        messages.info(self.request, '회원가입을 축하드립니다. 가입하신 이메일주소로 인증메일을 발송했으니 확인 후 인증해주세요.')

    def build_verification_link(self, user, token):
        return '{}/user/{}/verify/{}/'.format(self.request.META.get('HTTP_ORIGIN'), user.pk, token)

# user/views.py

# 생략

class UserRegistrationView(VerifyEmailMixin, CreateView):
    model = get_user_model()
    form_class = UserRegistrationForm
    success_url = '/user/login/'
    verify_url = '/user/verify/'

    def form_valid(self, form):
        response = super().form_valid(form)
        if form.instance:
            self.send_verification_email(form.instance)
        return response

class ResendVerifyEmailView(VerifyEmailMixin, FormView):
    model = get_user_model()
    form_class = VerificationEmailForm
    success_url = '/user/login/'
    template_name = 'user/resend_verify_email.html'

# 생략

# user/forms.py

# 생략

class VerificationEmailForm(forms.Form):
    email = EmailField(widget=forms.EmailInput(attrs={'autofocus': True}), validators=(EmailField.default_validators + [RegisteredEmailValidator()]))

# 생략

# user/validators.py

from django.contrib.auth import get_user_model
from django.core.exceptions import ValidationError


class RegisteredEmailValidator:
    user_model = get_user_model()
    code = 'invalid'

    def __call__(self, email):
        try:
            user = self.user_model.objects.get(email=email)
        except self.user_model.DoesNotExist:
            raise ValidationError('가입되지 않은 이메일입니다.', code=self.code)
        else:
            if user.is_active:
                raise ValidationError('이미 인증되어 있습니다.', code=self.code)

        return

# user/views.py

# 생략

class ResendVerifyEmailView(VerifyEmailMixin, FormView):
    model = get_user_model()
    form_class = VerificationEmailForm
    success_url = '/user/login/'
    template_name = 'user/resend_verify_email.html'

    def form_valid(self, form):
        email = form.cleaned_data['email']
        try:
            user = self.model.objects.get(email=email)
        except self.model.DoesNotExist:
            messages.error(self.request, '알 수 없는 사용자 입니다.')
        else:
            self.send_verification_email(user)
        return super().form_valid(form)

# 생략

# minitutorial/urls.py

from user.views import UserRegistrationView, UserLoginView, UserVerificationView, ResendVerifyEmailView

urlpatterns = [
    path('hello/<to>', hello), 

    path('article/', ArticleListView.as_view(), name='article-list'),
    path('article/create/', ArticleCreateUpdateView.as_view()),
    path('article/<article_id>/', ArticleDetailView.as_view()),
    path('article/<article_id>/update/', ArticleCreateUpdateView.as_view()),

    path('user/create/', UserRegistrationView.as_view()),
    path('user/<pk>/verify/<token>/', UserVerificationView.as_view()),
    path('user/resend_verify_email/', ResendVerifyEmailView.as_view()),
    path('user/login/', UserLoginView.as_view()),

    path('admin/', admin.site.urls),
]

# minitutorial/urls.py

from django.contrib.auth.views import LogoutView

urlpatterns = [
    path('hello/<to>', hello), 

    path('article/', ArticleListView.as_view(), name='article-list'),
    path('article/create/', ArticleCreateUpdateView.as_view()),
    path('article/<article_id>/', ArticleDetailView.as_view()),
    path('article/<article_id>/update/', ArticleCreateUpdateView.as_view()),

    path('user/create/', UserRegistrationView.as_view()),
    path('user/<pk>/verify/<token>/', UserVerificationView.as_view()),
    path('user/resend_verify_email/', ResendVerifyEmailView.as_view()),
    path('user/login/', UserLoginView.as_view()),
    path('user/logout/', LogoutView.as_view()),

    path('admin/', admin.site.urls),
]

# minitutorial/settings.py

# 생략

LOGOUT_REDIRECT_URL = '/article/'

# 생략