portal/forms.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # portal/forms.py: forms for the portal application
   4 # This file is part of the Manifold project.
   5 #
   6 # Authors:
   7 #   Jordan Augé <jordan.auge@lip6.fr>
   8 #   Mohammed-Yasin Rahman <mohammed-yasin.rahman@lip6.fr>
   9 # Copyright 2013, UPMC Sorbonne Universités / LIP6
  10 #
  11 # This program is free software; you can redistribute it and/or modify it under
  12 # the terms of the GNU General Public License as published by the Free Software
  13 # Foundation; either version 3, or (at your option) any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful, but WITHOUT
  16 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  17 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  18 # details.
  19 #
  20 # You should have received a copy of the GNU General Public License along with
  21 # this program; see the file COPYING.  If not, write to the Free Software
  22 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 from django import forms
  25 from portal.models import PendingUser, PendingSlice
  26 #from crispy_forms.helper import FormHelper
  27 #from crispy_forms.layout import Submit
  28 from django.utils.translation import ugettext_lazy as _
  29 from django.contrib.auth.tokens import default_token_generator
  30 from django.contrib.auth import authenticate, get_user_model
  31 from django.contrib.auth.hashers import UNUSABLE_PASSWORD, identify_hasher
  32 from django.contrib.sites.models import get_current_site
  33 from django.utils.http import int_to_base36
  34 from django.template import loader
  35
  36
  37
  38
  39 # xxx painful, but...
  40 # bootstrap3 requires the <input> fields to be tagged class='form-control'
  41 # my first idea was to add this in the view template of course, BUT
  42 # I can't find a way to access the 'type=' value for a given field
  43 # I've looked rather deeply out there but to no avail so far
  44 # so as we have a demo coming up soon, and until we can come with a less intrusive way to handle this...
  45 #
  46 # initial version was
  47 #class ContactForm(forms.Form):
  48 #    first_name = forms.CharField()
  49 #    last_name = forms.CharField()
  50 #    affiliation = forms.CharField()
  51 #    subject = forms.CharField(max_length=100)
  52 #    message = forms.CharField(widget=forms.Textarea)
  53 #    email = forms.EmailField()
  54 #    cc_myself = forms.BooleanField(required=False)
  55
  56 class ContactForm(forms.Form):
  57     first_name = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  58     last_name = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  59     affiliation = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  60     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  61     subject = forms.CharField(max_length=100,widget=forms.TextInput(attrs={'class':'form-control'}))
  62     message = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
  63     cc_myself = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={'class':'form-control'}))
  64
  65 class PassResetForm(forms.Form):
  66     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  67
  68 class SliceRequestForm(forms.Form):
  69 #    slice_name = forms.CharField()
  70 #    authority_hrn = forms.ChoiceField(choices=[(1, 'un')])
  71 #    number_of_nodes  = forms.DecimalField()
  72 #    type_of_nodes = forms.CharField()
  73 #    purpose = forms.CharField(widget=forms.Textarea)
  74 #    email = forms.EmailField()
  75 #    cc_myself = forms.BooleanField(required=False)
  76
  77     slice_name = forms.CharField(
  78         widget=forms.TextInput(attrs={'class':'form-control'}),
  79         help_text="The name for the slice you wish to create")
  80     authority_hrn = forms.ChoiceField(
  81         widget    = forms.Select(attrs={'class':'form-control'}),
  82         choices   = [],
  83         help_text = "An authority responsible for vetting your slice")
  84     number_of_nodes = forms.DecimalField(
  85         widget    = forms.TextInput(attrs={'class':'form-control'}),
  86         help_text = "The number of nodes you expect to request (informative)")
  87     type_of_nodes = forms.CharField(
  88         widget    = forms.TextInput(attrs={'class':'form-control'}),
  89         help_text = "The type of nodes you expect to request (informative)")
  90     purpose = forms.CharField(
  91         widget    = forms.Textarea(attrs={'class':'form-control'}),
  92         help_text = "The purpose of your experiment (informative)")
  93     email = forms.EmailField(
  94         widget    = forms.TextInput(attrs={'class':'form-control'}),
  95         help_text = "Your email address")
  96     cc_myself = forms.BooleanField(
  97         widget    = forms.CheckboxInput(attrs={'class':'form-control'}),
  98         required  = False,
  99         help_text = "If you'd like to be cc'ed on the request email")
 100
 101     def __init__(self, *args, **kwargs):
 102         initial =  kwargs.get('initial', {})
 103         authority_hrn = initial.get('authority_hrn', None)
 104
 105         # set just the initial value
 106         # in the real form needs something like this {'authority_hrn':'a'}
 107         # but in this case you want {'authority_hrn':('a', 'letter_a')}
 108         if authority_hrn:
 109             kwargs['initial']['authority_hrn'] = authority_hrn[0]
 110
 111         # create the form
 112         super(SliceRequestForm, self).__init__(*args, **kwargs)
 113
 114         # self.fields only exist after, so a double validation is needed
 115         if authority_hrn:# and authority_hrn[0] not in (c[0] for c in authority_hrn):
 116             # XXX This does not work, the choicefield is not updated...
 117             #self.fields['authority_hrn'].choices.extend(authority_hrn)
 118             self.fields['authority_hrn'] = forms.ChoiceField(
 119                 widget    = forms.Select(attrs={'class':'form-control'}),
 120                 choices   = authority_hrn,
 121                 help_text = "An authority responsible for vetting your slice")
 122
 123
 124 class PasswordResetForm(forms.Form):
 125     error_messages = {
 126         'unknown': _("That email address doesn't have an associated "
 127                      "user account. Are you sure you've registered?"),
 128         'unusable': _("The user account associated with this email "
 129                       "address cannot reset the password."),
 130     }
 131     email = forms.EmailField(label=_("Email"), max_length=254)
 132
 133     def clean_email(self):
 134         """
 135         Validates that an active user exists with the given email address.
 136         """
 137         UserModel = get_user_model()
 138         email = self.cleaned_data["email"]
 139         self.users_cache = UserModel._default_manager.filter(email__iexact=email)
 140         if not len(self.users_cache):
 141             raise forms.ValidationError(self.error_messages['unknown'])
 142         if not any(user.is_active for user in self.users_cache):
 143             # none of the filtered users are active
 144             raise forms.ValidationError(self.error_messages['unknown'])
 145         if any((user.password == UNUSABLE_PASSWORD)
 146                for user in self.users_cache):
 147             raise forms.ValidationError(self.error_messages['unusable'])
 148         return email
 149
 150     def save(self, domain_override=None,
 151              subject_template_name='registration/password_reset_subject.txt',
 152              email_template_name='registration/password_reset_email.html',
 153              use_https=False, token_generator=default_token_generator,
 154              from_email=None, request=None):
 155         """
 156         Generates a one-use only link for resetting password and sends to the
 157         user.
 158         """
 159         from django.core.mail import send_mail
 160         for user in self.users_cache:
 161             if not domain_override:
 162                 current_site = get_current_site(request)
 163                 site_name = current_site.name
 164                 domain = current_site.domain
 165             else:
 166                 site_name = domain = domain_override
 167             c = {
 168                 'email': user.email,
 169                 'domain': domain,
 170                 'site_name': site_name,
 171                 'uid': int_to_base36(user.pk),
 172                 'user': user,
 173                 'token': token_generator.make_token(user),
 174                 'protocol': use_https and 'https' or 'http',
 175             }
 176             subject = loader.render_to_string(subject_template_name, c)
 177             # Email subject *must not* contain newlines
 178             subject = ''.join(subject.splitlines())
 179             email = loader.render_to_string(email_template_name, c)
 180             send_mail(subject, email, from_email, [user.email])
 181
 182
 183 class SetPasswordForm(forms.Form):
 184     """
 185     A form that lets a user change set his/her password without entering the
 186     old password
 187     """
 188     error_messages = {
 189         'password_mismatch': _("The two password fields didn't match."),
 190     }
 191     new_password1 = forms.CharField(label=_("New password"),
 192                                     widget=forms.PasswordInput)
 193     new_password2 = forms.CharField(label=_("New password confirmation"),
 194                                     widget=forms.PasswordInput)
 195
 196     def __init__(self, user, *args, **kwargs):
 197         self.user = user
 198         super(SetPasswordForm, self).__init__(*args, **kwargs)
 199
 200     def clean_new_password2(self):
 201         password1 = self.cleaned_data.get('new_password1')
 202         password2 = self.cleaned_data.get('new_password2')
 203         if password1 and password2:
 204             if password1 != password2:
 205                 raise forms.ValidationError(
 206                     self.error_messages['password_mismatch'])
 207         return password2
 208
 209     def save(self, commit=True):
 210         self.user.set_password(self.cleaned_data['new_password1'])
 211         if commit:
 212             self.user.save()
 213         return self.user
 214