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@ -32,25 +32,60 @@ logger = logging.getLogger(__name__)
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# Create your views here.
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class RegisterView(FormView):
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"""
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用户注册视图类,继承自Django的FormView
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处理用户注册的全流程:表单展示、数据验证、用户创建、邮件发送
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"""
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#ZXY: 指定使用的表单类
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form_class = RegisterForm
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#ZXY: 指定渲染的模板路径
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template_name = 'account/registration_form.html'
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@method_decorator(csrf_protect)
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def dispatch(self, *args, **kwargs):
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"""
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重写dispatch方法,添加CSRF保护装饰器
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CSRF保护:防止跨站请求伪造攻击,确保表单提交来自本站
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Returns:
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HttpResponse: 处理后的HTTP响应
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"""
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return super(RegisterView, self).dispatch(*args, **kwargs)
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def form_valid(self, form):
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"""
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表单数据验证成功后的处理逻辑
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这是注册流程的核心方法,包含用户创建和邮件发送
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Args:
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form: 已验证通过的RegisterForm实例
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Returns:
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HttpResponseRedirect: 重定向到结果页面
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"""
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if form.is_valid():
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#ZXY: 第一步:创建用户对象但不立即保存到数据库
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#ZXY: save(False)表示只创建对象实例,不执行数据库INSERT
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user = form.save(False)
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user.is_active = False
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user.source = 'Register'
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#ZXY: 第二步:设置用户状态和属性
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user.is_active = False #ZXY: 邮箱验证前用户处于未激活状态,无法登录
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user.source = 'Register' #ZXY: 记录注册来源,便于后续统计分析
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#ZXY: 第三步:保存用户到数据库
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#ZXY: save(True)表示立即执行数据库保存操作
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user.save(True)
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site = get_current_site().domain
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#ZXY: 第四步:准备邮箱验证所需数据
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site = get_current_site().domain #ZXY: 获取当前站点域名
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#ZXY: 生成安全签名:对密钥+用户ID进行双重SHA256哈希,防止篡改
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sign = get_sha256(get_sha256(settings.SECRET_KEY + str(user.id)))
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#ZXY: 开发环境下使用本地地址,生产环境使用真实域名
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if settings.DEBUG:
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site = '127.0.0.1:8000'
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path = reverse('account:result')
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site = '127.0.0.1:8000' #ZXY: 开发环境固定地址
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# 第五步:构建邮箱验证链接
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path = reverse('account:result') #ZXY: 生成结果页面的URL路径
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url = "http://{site}{path}?type=validation&id={id}&sign={sign}".format(
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site=site, path=path, id=user.id, sign=sign)
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@ -64,141 +99,215 @@ class RegisterView(FormView):
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如果上面链接无法打开,请将此链接复制至浏览器。
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{url}
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""".format(url=url)
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#ZXY: 第七步:发送验证邮件
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send_email(
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emailto=[
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user.email,
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user.email, #ZXY: 收件人列表,这里只有注册用户
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],
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title='验证您的电子邮箱',
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content=content)
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title='验证您的电子邮箱', #ZXY: 邮件标题
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content=content) #ZXY: 邮件正文内容
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#ZXY: 步骤8:重定向到注册结果页面
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url = reverse('accounts:result') + \
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'?type=register&id=' + str(user.id)
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return HttpResponseRedirect(url)
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else:
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#ZXY: 表单验证失败,重新显示表单页
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return self.render_to_response({
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'form': form
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})
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class LogoutView(RedirectView):
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url = '/login/'
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"""
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用户退出登录视图
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功能:处理用户退出,清除session,重定向到登录页
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"""
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url = '/login/' #ZXY: 退出后重定向的URL
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@method_decorator(never_cache)
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@method_decorator(never_cache) #ZXY: 禁止缓存,确保每次都是最新状态
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def dispatch(self, request, *args, **kwargs):
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return super(LogoutView, self).dispatch(request, *args, **kwargs)
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def get(self, request, *args, **kwargs):
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logout(request)
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delete_sidebar_cache()
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"""
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处理GET请求退出登录
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"""
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logout(request) #ZXY: Django内置的退出函数,清除session
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delete_sidebar_cache() #ZXY: 清除侧边栏缓存
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return super(LogoutView, self).get(request, *args, **kwargs)
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class LoginView(FormView):
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form_class = LoginForm
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template_name = 'account/login.html'
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success_url = '/'
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redirect_field_name = REDIRECT_FIELD_NAME
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login_ttl = 2626560 # 一个月的时间
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@method_decorator(sensitive_post_parameters('password'))
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@method_decorator(csrf_protect)
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@method_decorator(never_cache)
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"""
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用户登录视图
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功能:处理用户登录认证,支持"记住我"功能
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"""
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form_class = LoginForm #ZXY: 登录表单
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template_name = 'account/login.html' #ZXY: 登录页面模板
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success_url = '/' #ZXY: 登录成功后的默认跳转页面
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redirect_field_name = REDIRECT_FIELD_NAME #ZXY: 重定向字段名,默认为'next'
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login_ttl = 2626560 #ZXY: "记住我"功能的session有效期(一个月,单位:秒)
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@method_decorator(sensitive_post_parameters('password')) #ZXY: 敏感参数保护,不在错误报告中显示密码
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@method_decorator(csrf_protect) #ZXY: CSRF保护
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@method_decorator(never_cache) #ZXY: 禁止缓存
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def dispatch(self, request, *args, **kwargs):
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"""
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添加安全装饰器的dispatch方法
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"""
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return super(LoginView, self).dispatch(request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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"""
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添加上下文数据,主要是重定向URL
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"""
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redirect_to = self.request.GET.get(self.redirect_field_name)
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if redirect_to is None:
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redirect_to = '/'
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redirect_to = '/' #ZXY: 默认重定向到首页
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kwargs['redirect_to'] = redirect_to
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return super(LoginView, self).get_context_data(**kwargs)
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def form_valid(self, form):
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"""
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登录表单验证成功后的处理
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"""
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#ZXY: 使用Django内置的AuthenticationForm进行认证
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form = AuthenticationForm(data=self.request.POST, request=self.request)
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if form.is_valid():
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delete_sidebar_cache()
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logger.info(self.redirect_field_name)
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delete_sidebar_cache() #ZXY: 清除侧边栏缓存
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logger.info(self.redirect_field_name) #ZXY: 记录日志
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#ZXY: 执行用户登录
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auth.login(self.request, form.get_user())
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#ZXY: 处理"记住我"功能
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if self.request.POST.get("remember"):
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#ZXY: 设置session过期时间为一个月
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self.request.session.set_expiry(self.login_ttl)
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return super(LoginView, self).form_valid(form)
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# return HttpResponseRedirect('/')
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#ZXY: return HttpResponseRedirect('/')
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else:
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#ZXY: 认证失败,重新显示表单
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return self.render_to_response({
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'form': form
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})
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def get_success_url(self):
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"""
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获取登录成功后的跳转URL
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支持next参数指定的重定向
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"""
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redirect_to = self.request.POST.get(self.redirect_field_name)
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#ZXY: 安全检查:确保重定向URL在允许的host范围内
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if not url_has_allowed_host_and_scheme(
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url=redirect_to, allowed_hosts=[
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self.request.get_host()]):
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redirect_to = self.success_url
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redirect_to = self.success_url #ZXY: 不安全的URL使用默认首页
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return redirect_to
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def account_result(request):
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type = request.GET.get('type')
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id = request.GET.get('id')
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"""
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账户操作结果页面视图函数
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处理注册结果和邮箱验证结果展示
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"""
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type = request.GET.get('type') #ZXY: 操作类型:register或validation
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id = request.GET.get('id') #ZXY: 用户ID
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user = get_object_or_404(get_user_model(), id=id) #ZXY: 获取用户对象,不存在返回404
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logger.info(type) #ZXY: 记录操作类型日志
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user = get_object_or_404(get_user_model(), id=id)
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logger.info(type)
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#ZXY: 如果用户已激活,直接跳转到首页
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if user.is_active:
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return HttpResponseRedirect('/')
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if type and type in ['register', 'validation']:
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if type == 'register':
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#ZXY: 注册成功页面
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content = '''
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恭喜您注册成功,一封验证邮件已经发送到您的邮箱,请验证您的邮箱后登录本站。
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'''
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title = '注册成功'
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else:
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#ZXY: 邮箱验证处理
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c_sign = get_sha256(get_sha256(settings.SECRET_KEY + str(user.id)))
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sign = request.GET.get('sign')
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#ZXY: 签名验证,防止URL篡改
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if sign != c_sign:
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return HttpResponseForbidden()
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return HttpResponseForbidden() #ZXY: 签名不匹配,返回403禁止访问
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#ZXY: 激活用户账号
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user.is_active = True
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user.save()
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content = '''
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恭喜您已经成功的完成邮箱验证,您现在可以使用您的账号来登录本站。
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'''
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title = '验证成功'
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#ZXY: 渲染结果页面
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return render(request, 'account/result.html', {
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'title': title,
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'content': content
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})
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else:
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#ZXY: 无效的操作类型,跳转到首页
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return HttpResponseRedirect('/')
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class ForgetPasswordView(FormView):
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form_class = ForgetPasswordForm
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template_name = 'account/forget_password.html'
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"""
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忘记密码视图
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功能:处理用户密码重置
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"""
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form_class = ForgetPasswordForm #ZXY: 忘记密码表单
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template_name = 'account/forget_password.html' #ZXY: 模板路径
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def form_valid(self, form):
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"""
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表单验证成功后的密码重置逻辑
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"""
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if form.is_valid():
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#ZXY: 根据邮箱查找用户
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blog_user = BlogUser.objects.filter(email=form.cleaned_data.get("email")).get()
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#ZXY: 使用Django的密码哈希函数设置新密码
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blog_user.password = make_password(form.cleaned_data["new_password2"])
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blog_user.save()
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blog_user.save() #ZXY: 保存到数据库
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#ZXY: 重定向到登录页面
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return HttpResponseRedirect('/login/')
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else:
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#ZXY: 表单验证失败,重新显示表单
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return self.render_to_response({'form': form})
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class ForgetPasswordEmailCode(View):
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"""
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忘记密码邮箱验证码发送视图
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功能:接收邮箱地址,发送密码重置验证码
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"""
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def post(self, request: HttpRequest):
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"""
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处理POST请求,发送验证码邮件
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"""
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form = ForgetPasswordCodeForm(request.POST)
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if not form.is_valid():
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return HttpResponse("错误的邮箱")
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to_email = form.cleaned_data["email"]
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return HttpResponse("错误的邮箱") #ZXY: 表单验证失败
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to_email = form.cleaned_data["email"] #ZXY: 获取邮箱地址
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#ZXY: 生成6位验证码
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code = generate_code()
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#ZXY: 发送验证码邮件
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utils.send_verify_email(to_email, code)
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#ZXY: 将验证码存储到缓存(5分钟有效期)
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utils.set_code(to_email, code)
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return HttpResponse("ok")
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return HttpResponse("ok") #ZXY: 返回成功响应
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