import datetime import logging import subprocess import tempfile from django import forms from django.conf import settings from django.contrib.auth import authenticate from django.utils.translation import ugettext_lazy as _ from membership.models import CustomUser from utils.hosting_utils import get_all_public_keys from .models import UserHostingKey, GenericProduct logger = logging.getLogger(__name__) def generate_ssh_key_name(): return '{prefix}{date_time_str}'.format( prefix=settings.DCL_SSH_KEY_NAME_PREFIX, date_time_str=datetime.datetime.now().strftime('%m%d%y%H%M%S') ) class HostingUserLoginForm(forms.Form): email = forms.CharField(widget=forms.EmailInput()) password = forms.CharField(widget=forms.PasswordInput()) class Meta: fields = ['email', 'password'] def clean(self): email = self.cleaned_data.get('email') password = self.cleaned_data.get('password') if self.errors: return self.cleaned_data is_auth = authenticate(email=email, password=password) if not is_auth: raise forms.ValidationError( _("Your username and/or password were incorrect.")) elif is_auth.validated == 0: raise forms.ValidationError( _("Your account is not activated yet.")) return self.cleaned_data def clean_email(self): email = self.cleaned_data.get('email') try: CustomUser.objects.get(email=email) return email except CustomUser.DoesNotExist: raise forms.ValidationError(_("User does not exist")) class ProductModelChoiceField(forms.ModelChoiceField): def label_from_instance(self, obj): return obj.product_name class GenericPaymentForm(forms.Form): product_name = ProductModelChoiceField( queryset=GenericProduct.objects.all().order_by('product_name'), empty_label=_("Choose a product"), ) amount = forms.FloatField( widget=forms.TextInput( attrs={'placeholder': _('Amount in CHF'), 'readonly': 'readonly'} ), max_value=999999, min_value=1, ) recurring = forms.BooleanField(required=False, label=_("Recurring monthly"), ) description = forms.CharField( widget=forms.Textarea(attrs={'style': "height: 100px;"}), required=False ) class Meta: model = GenericProduct fields = ['product_name', 'amount', 'recurring', 'description'] class HostingUserSignupForm(forms.ModelForm): confirm_password = forms.CharField(label=_("Confirm Password"), widget=forms.PasswordInput()) password = forms.CharField(label=_("Password"), widget=forms.PasswordInput()) class Meta: model = CustomUser fields = ['name', 'email', 'password'] widgets = { 'name': forms.TextInput( attrs={'placeholder': _('Enter your name or company name')}), } def clean_confirm_password(self): password = self.cleaned_data.get('password') confirm_password = self.cleaned_data.get('confirm_password') if not confirm_password == password: raise forms.ValidationError("Passwords don't match") return confirm_password class UserHostingKeyForm(forms.ModelForm): private_key = forms.CharField(widget=forms.HiddenInput(), required=False) public_key = forms.CharField(widget=forms.Textarea( attrs={'class': 'form_public_key', 'placeholder': _('Paste here your public key')}), required=False, ) user = forms.models.ModelChoiceField(queryset=CustomUser.objects.all(), required=False, widget=forms.HiddenInput()) name = forms.CharField(required=False, widget=forms.TextInput( attrs={'class': 'form_key_name', 'placeholder': _('Give a name to your key')})) def __init__(self, *args, **kwargs): self.request = kwargs.pop("request") super(UserHostingKeyForm, self).__init__(*args, **kwargs) self.fields['name'].label = _('Key name') def clean_public_key(self): """ Validates a public ssh key using `ssh-keygen -lf key.pub` Also checks if a given key already exists in the database and alerts the user of it. :return: """ if 'generate' in self.request.POST: return self.data.get('public_key') KEY_ERROR_MESSAGE = _("Please input a proper SSH key") openssh_pubkey_str = self.data.get('public_key').strip() if openssh_pubkey_str in get_all_public_keys(self.request.user): key_name = UserHostingKey.objects.filter( user_id=self.request.user.id, public_key=openssh_pubkey_str).first().name KEY_EXISTS_MESSAGE = _( "This key exists already with the name \"%(name)s\"") % { 'name': key_name} raise forms.ValidationError(KEY_EXISTS_MESSAGE) with tempfile.NamedTemporaryFile(delete=True) as tmp_public_key_file: tmp_public_key_file.write(openssh_pubkey_str.encode('utf-8')) tmp_public_key_file.flush() try: subprocess.check_output( ['ssh-keygen', '-lf', tmp_public_key_file.name]) except subprocess.CalledProcessError as cpe: logger.debug( "Not a correct ssh format {error}".format(error=str(cpe))) raise forms.ValidationError(KEY_ERROR_MESSAGE) return openssh_pubkey_str def clean_name(self): return self.data.get('name') def clean_user(self): return self.request.user def clean(self): cleaned_data = self.cleaned_data if 'generate' in self.request.POST: self.cleaned_data['name'] = generate_ssh_key_name() private_key, public_key = UserHostingKey.generate_keys() cleaned_data.update({ 'private_key': private_key, 'public_key': public_key }) return cleaned_data class Meta: model = UserHostingKey fields = ['user', 'name', 'public_key']