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.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  73    #                             regex=r'^[\w.@+-]+$',
  74    #                              max_length=30,
  75    #                              label=_("First name"),
  76    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  77    # last_name = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  78    #                             regex=r'^[\w.@+-]+$',
  79    #                              max_length=30,
  80    #                              label=_("Last name"),
  81    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  82    # authority = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  83    #                             regex=r'^[\w.@+-]+$',
  84    #                              max_length=30,
  85    #                              label=_("authority"),
  86    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  87     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  88     subject = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  89     description = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
  90     #cc_myself = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={'class':'form-control'}))
  91
  92 class PassResetForm(forms.Form):
  93     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  94
  95 #class SliceRequestForm(forms.Form):
  96 #    slice_name = forms.CharField()
  97 #    authority_hrn = forms.ChoiceField(choices=[(1, 'un')])
  98 #    number_of_nodes  = forms.DecimalField()
  99 #    type_of_nodes = forms.CharField()
 100 #    purpose = forms.CharField(widget=forms.Textarea)
 101 #    email = forms.EmailField()
 102 #    cc_myself = forms.BooleanField(required=False)
 103 #
 104 #    slice_name = forms.CharField(
 105 #        widget=forms.TextInput(attrs={'class':'form-control'}),
 106 #        help_text="The name for the slice you wish to create")
 107 #    authority_hrn = forms.ChoiceField(
 108 #        widget    = forms.Select(attrs={'class':'form-control'}),
 109 #        choices   = [],
 110 #        help_text = "An authority responsible for vetting your slice")
 111 #    number_of_nodes = forms.DecimalField(
 112 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 113 #        help_text = "The number of nodes you expect to request (informative)")
 114 #    type_of_nodes = forms.CharField(
 115 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 116 #        help_text = "The type of nodes you expect to request (informative)")
 117 #    purpose = forms.CharField(
 118 #        widget    = forms.Textarea(attrs={'class':'form-control'}),
 119 #        help_text = "The purpose of your experiment (informative)")
 120 #    email = forms.EmailField(
 121 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 122 #        help_text = "Your email address")
 123 #    cc_myself = forms.BooleanField(
 124 #        widget    = forms.CheckboxInput(attrs={'class':'form-control'}),
 125 #        required  = False,
 126 #        help_text = "If you'd like to be cc'ed on the request email")
 127 #
 128 #    def __init__(self, *args, **kwargs):
 129 #        initial =  kwargs.get('initial', {})
 130 #        authority_hrn = initial.get('authority_hrn', None)
 131 #
 132 #        # set just the initial value
 133 #        # in the real form needs something like this {'authority_hrn':'a'}
 134 #        # but in this case you want {'authority_hrn':('a', 'letter_a')}
 135 #        if authority_hrn:
 136 #            kwargs['initial']['authority_hrn'] = authority_hrn[0]
 137 #
 138 #        # create the form
 139 #        super(SliceRequestForm, self).__init__(*args, **kwargs)
 140 #
 141 #        # self.fields only exist after, so a double validation is needed
 142 #        if authority_hrn:# and authority_hrn[0] not in (c[0] for c in authority_hrn):
 143 #            # XXX This does not work, the choicefield is not updated...
 144 #            #self.fields['authority_hrn'].choices.extend(authority_hrn)
 145 #            self.fields['authority_hrn'] = forms.ChoiceField(
 146 #                widget    = forms.Select(attrs={'class':'form-control'}),
 147 #                choices   = authority_hrn,
 148 #                help_text = "An authority responsible for vetting your slice")
 149
 150
 151 class PasswordResetForm(forms.Form):
 152     error_messages = {
 153         'unknown': _("That email address doesn't have an associated "
 154                      "user account. Are you sure you've registered?"),
 155         'unusable': _("The user account associated with this email "
 156                       "address cannot reset the password."),
 157     }
 158     email = forms.EmailField(label=_("Email"), max_length=254)
 159
 160     def clean_email(self):
 161         """
 162         Validates that an active user exists with the given email address.
 163         """
 164         UserModel = get_user_model()
 165         email = self.cleaned_data["email"]
 166         self.users_cache = UserModel._default_manager.filter(email__iexact=email)
 167         if not len(self.users_cache):
 168             raise forms.ValidationError(self.error_messages['unknown'])
 169         if not any(user.is_active for user in self.users_cache):
 170             # none of the filtered users are active
 171             raise forms.ValidationError(self.error_messages['unknown'])
 172         if any(is_password_unusable(user.password) for user in self.users_cache):
 173             raise forms.ValidationError(self.error_messages['unusable'])
 174         return email
 175
 176     def save(self, domain_override=None,
 177              subject_template_name='registration/password_reset_subject.txt',
 178              email_template_name='registration/password_reset_email.html',
 179              use_https=False, token_generator=default_token_generator,
 180              from_email=None, request=None):
 181         """
 182         Generates a one-use only link for resetting password and sends to the
 183         user.
 184         """
 185         from django.core.mail import send_mail,EmailMultiAlternatives
 186         try:
 187             for user in self.users_cache:
 188                 if not domain_override:
 189                     current_site = get_current_site(request)
 190                     site_name = current_site.name
 191                     domain = current_site.domain
 192                 else:
 193                     site_name = domain = domain_override
 194                 c = {
 195                     'email': user.email,
 196                     'domain': domain,
 197                     'site_name': site_name,
 198                     'uid': int_to_base36(user.pk),
 199                     'user': user,
 200                     'token': token_generator.make_token(user),
 201                     'protocol': use_https and 'https' or 'http',
 202                 }
 203                 subject = loader.render_to_string(subject_template_name, c)
 204                 # Email subject *must not* contain newlines
 205                 subject = ''.join(subject.splitlines())
 206                 email = loader.render_to_string(email_template_name, c)
 207                 send_mail(subject, email, from_email, [user.email])
 208         except Exception, e:
 209             print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 210
 211
 212 class SetPasswordForm(forms.Form):
 213     """
 214     A form that lets a user change set his/her password without entering the
 215     old password
 216     """
 217     error_messages = {
 218         'password_mismatch': _("The two password fields didn't match."),
 219     }
 220     new_password1 = forms.CharField(label=_("New password"),
 221                                     widget=forms.PasswordInput)
 222     new_password2 = forms.CharField(label=_("New password confirmation"),
 223                                     widget=forms.PasswordInput)
 224
 225     def __init__(self, user, *args, **kwargs):
 226         self.user = user
 227         super(SetPasswordForm, self).__init__(*args, **kwargs)
 228
 229     def clean_new_password2(self):
 230         password1 = self.cleaned_data.get('new_password1')
 231         password2 = self.cleaned_data.get('new_password2')
 232         if password1 and password2:
 233             if password1 != password2:
 234                 raise forms.ValidationError(
 235                     self.error_messages['password_mismatch'])
 236         return password2
 237
 238     def save(self, commit=True):
 239         self.user.set_password(self.cleaned_data['new_password1'])
 240         if commit:
 241             self.user.save()
 242         return self.user
 243