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from django import forms
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from django.contrib.auth import get_user_model, password_validation
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from django.contrib.auth.forms import AuthenticationForm, UserCreationForm
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from django.core.exceptions import ValidationError
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from django.forms import widgets
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from django.utils.translation import gettext_lazy as _
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from . import utils
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from .models import BlogUser
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class LoginForm(AuthenticationForm):
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#lht: 登录表单，继承Django内置认证表单
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def __init__(self, *args, **kwargs):
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#lht: 调用父类构造函数
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super(LoginForm, self).__init__(*args, **kwargs)
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#lht: 自定义用户名和密码字段的显示样式
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self.fields['username'].widget = widgets.TextInput(
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attrs={'placeholder': "username", "class": "form-control"})
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self.fields['password'].widget = widgets.PasswordInput(
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attrs={'placeholder': "password", "class": "form-control"})
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class RegisterForm(UserCreationForm):
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#lht: 用户注册表单，继承Django内置用户创建表单
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def __init__(self, *args, **kwargs):
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#lht: 调用父类构造函数
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super(RegisterForm, self).__init__(*args, **kwargs)
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#lht: 自定义各字段的显示样式
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self.fields['username'].widget = widgets.TextInput(
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attrs={'placeholder': "username", "class": "form-control"})
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self.fields['email'].widget = widgets.EmailInput(
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attrs={'placeholder': "email", "class": "form-control"})
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self.fields['password1'].widget = widgets.PasswordInput(
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attrs={'placeholder': "password", "class": "form-control"})
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self.fields['password2'].widget = widgets.PasswordInput(
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attrs={'placeholder': "repeat password", "class": "form-control"})
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def clean_email(self):
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#lht: 验证邮箱唯一性
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email = self.cleaned_data['email']
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if get_user_model().objects.filter(email=email).exists():
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raise ValidationError(_("email already exists"))
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return email
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class Meta:
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#lht: 指定模型和字段
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model = get_user_model()
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fields = ("username", "email")
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class ForgetPasswordForm(forms.Form):
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#lht: 忘记密码表单
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#lht: 新密码字段
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new_password1 = forms.CharField(
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label=_("New password"),
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widget=forms.PasswordInput(
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attrs={
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"class": "form-control",
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'placeholder': _("New password")
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}
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),
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)
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#lht: 确认新密码字段
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new_password2 = forms.CharField(
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label="确认密码",
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widget=forms.PasswordInput(
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attrs={
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"class": "form-control",
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'placeholder': _("Confirm password")
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}
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),
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)
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#lht: 邮箱字段
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email = forms.EmailField(
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label='邮箱',
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widget=forms.TextInput(
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attrs={
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'class': 'form-control',
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'placeholder': _("Email")
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}
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),
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)
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#lht: 验证码字段
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code = forms.CharField(
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label=_('Code'),
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widget=forms.TextInput(
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attrs={
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'class': 'form-control',
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'placeholder': _("Code")
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}
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),
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)
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def clean_new_password2(self):
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#lht: 验证两次输入的密码是否一致
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password1 = self.data.get("new_password1")
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password2 = self.data.get("new_password2")
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if password1 and password2 and password1 != password2:
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raise ValidationError(_("passwords do not match"))
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#lht: 验证密码强度
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password_validation.validate_password(password2)
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return password2
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def clean_email(self):
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#lht: 验证邮箱是否存在
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user_email = self.cleaned_data.get("email")
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if not BlogUser.objects.filter(
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email=user_email
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).exists():
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#lht: todo 这里的报错提示可以判断一个邮箱是不是注册过，如果不想暴露可以修改
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raise ValidationError(_("email does not exist"))
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return user_email
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def clean_code(self):
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#lht: 验证验证码是否正确
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code = self.cleaned_data.get("code")
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#lht: 调用工具函数验证验证码
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error = utils.verify(
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email=self.cleaned_data.get("email"),
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code=code,
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)
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if error:
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raise ValidationError(error)
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return code
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class ForgetPasswordCodeForm(forms.Form):
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#lht: 忘记密码时获取验证码的表单
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#lht: 邮箱字段
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email = forms.EmailField(
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label=_('Email'),
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)
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