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.sites.models import get_current_site
  32 from django.utils.http import int_to_base36
  33 from django.template import loader
  34
  35 # TODO: Remove these automated forms and use html templates and views like any other page !
  36 from django.contrib.auth.hashers import identify_hasher
  37 # adapted from https://sourcegraph.com/github.com/fusionbox/django-authtools/symbols/python/authtools/forms
  38
  39 def is_password_unusable(pw):
  40     # like Django's is_password_usable, but only checks for unusable
  41     # passwords, not invalidly encoded passwords too.
  42     try:
  43         # 1.5
  44         from django.contrib.auth.hashers import UNUSABLE_PASSWORD
  45         return pw == UNUSABLE_PASSWORD
  46     except ImportError:
  47         # 1.6
  48         from django.contrib.auth.hashers import UNUSABLE_PASSWORD_PREFIX
  49         return pw.startswith(UNUSABLE_PASSWORD_PREFIX)
  50
  51
  52
  53
  54 # xxx painful, but...
  55 # bootstrap3 requires the <input> fields to be tagged class='form-control'
  56 # my first idea was to add this in the view template of course, BUT
  57 # I can't find a way to access the 'type=' value for a given field
  58 # I've looked rather deeply out there but to no avail so far
  59 # so as we have a demo coming up soon, and until we can come with a less intrusive way to handle this...
  60 #
  61 # initial version was
  62 #class ContactForm(forms.Form):
  63 #    first_name = forms.CharField()
  64 #    last_name = forms.CharField()
  65 #    affiliation = forms.CharField()
  66 #    subject = forms.CharField(max_length=100)
  67 #    message = forms.CharField(widget=forms.Textarea)
  68 #    email = forms.EmailField()
  69 #    cc_myself = forms.BooleanField(required=False)
  70
  71 class ContactForm(forms.Form):
  72     first_name = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  73     last_name = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  74     authority = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  75     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  76     subject = forms.CharField(max_length=100,widget=forms.TextInput(attrs={'class':'form-control'}))
  77     description = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
  78     cc_myself = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={'class':'form-control'}))
  79
  80 class PassResetForm(forms.Form):
  81     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  82
  83 class SliceRequestForm(forms.Form):
  84 #    slice_name = forms.CharField()
  85 #    authority_hrn = forms.ChoiceField(choices=[(1, 'un')])
  86 #    number_of_nodes  = forms.DecimalField()
  87 #    type_of_nodes = forms.CharField()
  88 #    purpose = forms.CharField(widget=forms.Textarea)
  89 #    email = forms.EmailField()
  90 #    cc_myself = forms.BooleanField(required=False)
  91
  92     slice_name = forms.CharField(
  93         widget=forms.TextInput(attrs={'class':'form-control'}),
  94         help_text="The name for the slice you wish to create")
  95     authority_hrn = forms.ChoiceField(
  96         widget    = forms.Select(attrs={'class':'form-control'}),
  97         choices   = [],
  98         help_text = "An authority responsible for vetting your slice")
  99     number_of_nodes = forms.DecimalField(
 100         widget    = forms.TextInput(attrs={'class':'form-control'}),
 101         help_text = "The number of nodes you expect to request (informative)")
 102     type_of_nodes = forms.CharField(
 103         widget    = forms.TextInput(attrs={'class':'form-control'}),
 104         help_text = "The type of nodes you expect to request (informative)")
 105     purpose = forms.CharField(
 106         widget    = forms.Textarea(attrs={'class':'form-control'}),
 107         help_text = "The purpose of your experiment (informative)")
 108     email = forms.EmailField(
 109         widget    = forms.TextInput(attrs={'class':'form-control'}),
 110         help_text = "Your email address")
 111     cc_myself = forms.BooleanField(
 112         widget    = forms.CheckboxInput(attrs={'class':'form-control'}),
 113         required  = False,
 114         help_text = "If you'd like to be cc'ed on the request email")
 115
 116     def __init__(self, *args, **kwargs):
 117         initial =  kwargs.get('initial', {})
 118         authority_hrn = initial.get('authority_hrn', None)
 119
 120         # set just the initial value
 121         # in the real form needs something like this {'authority_hrn':'a'}
 122         # but in this case you want {'authority_hrn':('a', 'letter_a')}
 123         if authority_hrn:
 124             kwargs['initial']['authority_hrn'] = authority_hrn[0]
 125
 126         # create the form
 127         super(SliceRequestForm, self).__init__(*args, **kwargs)
 128
 129         # self.fields only exist after, so a double validation is needed
 130         if authority_hrn:# and authority_hrn[0] not in (c[0] for c in authority_hrn):
 131             # XXX This does not work, the choicefield is not updated...
 132             #self.fields['authority_hrn'].choices.extend(authority_hrn)
 133             self.fields['authority_hrn'] = forms.ChoiceField(
 134                 widget    = forms.Select(attrs={'class':'form-control'}),
 135                 choices   = authority_hrn,
 136                 help_text = "An authority responsible for vetting your slice")
 137
 138
 139 class PasswordResetForm(forms.Form):
 140     error_messages = {
 141         'unknown': _("That email address doesn't have an associated "
 142                      "user account. Are you sure you've registered?"),
 143         'unusable': _("The user account associated with this email "
 144                       "address cannot reset the password."),
 145     }
 146     email = forms.EmailField(label=_("Email"), max_length=254)
 147
 148     def clean_email(self):
 149         """
 150         Validates that an active user exists with the given email address.
 151         """
 152         UserModel = get_user_model()
 153         email = self.cleaned_data["email"]
 154         self.users_cache = UserModel._default_manager.filter(email__iexact=email)
 155         if not len(self.users_cache):
 156             raise forms.ValidationError(self.error_messages['unknown'])
 157         if not any(user.is_active for user in self.users_cache):
 158             # none of the filtered users are active
 159             raise forms.ValidationError(self.error_messages['unknown'])
 160         if any(is_password_unusable(user.password) for user in self.users_cache):
 161             raise forms.ValidationError(self.error_messages['unusable'])
 162         return email
 163
 164     def save(self, domain_override=None,
 165              subject_template_name='registration/password_reset_subject.txt',
 166              email_template_name='registration/password_reset_email.html',
 167              use_https=False, token_generator=default_token_generator,
 168              from_email=None, request=None):
 169         """
 170         Generates a one-use only link for resetting password and sends to the
 171         user.
 172         """
 173         from django.core.mail import send_mail
 174         for user in self.users_cache:
 175             if not domain_override:
 176                 current_site = get_current_site(request)
 177                 site_name = current_site.name
 178                 domain = current_site.domain
 179             else:
 180                 site_name = domain = domain_override
 181             c = {
 182                 'email': user.email,
 183                 'domain': domain,
 184                 'site_name': site_name,
 185                 'uid': int_to_base36(user.pk),
 186                 'user': user,
 187                 'token': token_generator.make_token(user),
 188                 'protocol': use_https and 'https' or 'http',
 189             }
 190             subject = loader.render_to_string(subject_template_name, c)
 191             # Email subject *must not* contain newlines
 192             subject = ''.join(subject.splitlines())
 193             email = loader.render_to_string(email_template_name, c)
 194             send_mail(subject, email, from_email, [user.email])
 195
 196
 197 class SetPasswordForm(forms.Form):
 198     """
 199     A form that lets a user change set his/her password without entering the
 200     old password
 201     """
 202     error_messages = {
 203         'password_mismatch': _("The two password fields didn't match."),
 204     }
 205     new_password1 = forms.CharField(label=_("New password"),
 206                                     widget=forms.PasswordInput)
 207     new_password2 = forms.CharField(label=_("New password confirmation"),
 208                                     widget=forms.PasswordInput)
 209
 210     def __init__(self, user, *args, **kwargs):
 211         self.user = user
 212         super(SetPasswordForm, self).__init__(*args, **kwargs)
 213
 214     def clean_new_password2(self):
 215         password1 = self.cleaned_data.get('new_password1')
 216         password2 = self.cleaned_data.get('new_password2')
 217         if password1 and password2:
 218             if password1 != password2:
 219                 raise forms.ValidationError(
 220                     self.error_messages['password_mismatch'])
 221         return password2
 222
 223     def save(self, commit=True):
 224         self.user.set_password(self.cleaned_data['new_password1'])
 225         if commit:
 226             self.user.save()
 227         return self.user
 228