core: add placeholders for forms, add sign-up view

passbook/core/forms/authentication.py

@@ -1,16 +1,22 @@
 """passbook core authentication forms"""
+from logging import getLogger
 
 from django import forms
+from django.core.exceptions import ValidationError
 from django.core.validators import validate_email
+from django.utils.translation import gettext_lazy as _
 
+from passbook.core.models import User
 from passbook.lib.config import CONFIG
 
+LOGGER = getLogger(__name__)
 
 class LoginForm(forms.Form):
     """Allow users to login"""
 
-    uid_field = forms.CharField()
-    password = forms.CharField(widget=forms.PasswordInput())
+    title = _('Log in to your account')
+    uid_field = forms.CharField(widget=forms.TextInput(attrs={'placeholder': _('UID')}))
+    password = forms.CharField(widget=forms.PasswordInput(attrs={'placeholder': _('Password')}))
     remember_me = forms.BooleanField(required=False)
 
     def clean_uid_field(self):
@@ -18,3 +24,55 @@ class LoginForm(forms.Form):
         if CONFIG.y('passbook.uid_fields') == ['email']:
             validate_email(self.cleaned_data.get('uid_field'))
         return self.cleaned_data.get('uid_field')
+
+class SignUpForm(forms.Form):
+    """SignUp Form"""
+
+    title = _('Sign Up')
+    first_name = forms.CharField(label=_('First Name'),
+                                 widget=forms.TextInput(attrs={'placeholder': _('First Name')}))
+    last_name = forms.CharField(label=_('Last Name'),
+                                widget=forms.TextInput(attrs={'placeholder': _('Last Name')}))
+    username = forms.CharField(label=_('Username'),
+                               widget=forms.TextInput(attrs={'placeholder': _('Username')}))
+    email = forms.EmailField(label=_('E-Mail'),
+                             widget=forms.TextInput(attrs={'placeholder': _('E-Mail')}))
+    password = forms.CharField(label=_('Password'),
+                               widget=forms.PasswordInput(attrs={'placeholder': _('Password')}))
+    password_repeat = forms.CharField(label=_('Repeat Password'),
+                                      widget=forms.PasswordInput(attrs={
+                                          'placeholder': _('Repeat Password')
+                                          }))
+    # captcha = ReCaptchaField(
+    #     required=(not settings.DEBUG and not settings.TEST),
+    #     private_key=Setting.get('recaptcha:private'),
+    #     public_key=Setting.get('recaptcha:public'))
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        # TODO: Dynamically add captcha here
+        # if not Setting.get_bool('recaptcha:enabled'):
+        #     self.fields.pop('captcha')
+
+    def clean_username(self):
+        """Check if username is used already"""
+        username = self.cleaned_data.get('username')
+        if User.objects.filter(username=username).exists():
+            LOGGER.warning("Username %s already exists", username)
+            raise ValidationError(_("Username already exists"))
+        return username
+
+    def clean_email(self):
+        """Check if email is already used in django or other auth sources"""
+        email = self.cleaned_data.get('email')
+        # Check if user exists already, error early
+        if User.objects.filter(email=email).exists():
+            LOGGER.debug("email %s exists in django", email)
+            raise ValidationError(_("Email already exists"))
+        return email
+
+    def clean_password_repeat(self):
+        """Check if Password adheres to filter and if passwords matche"""
+        # TODO: Password policy? Via Plugin? via Policy?
+        # return check_password(self)
+        return self.cleaned_data.get('password_repeat')