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.@+-]+$',
  84    #                              max_length=30,
  85    #                              label=_("authority"),
  86    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  87     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  88     subject = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  89                                 regex=r'^[\w+\s\w+]+$',
  90                                  max_length=100,
  91                                  label=_("subject"),
  92                                  error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  93     description = forms.RegexField(widget=forms.Textarea(attrs={'class':'form-control'}),
  94                                 regex=r'^[\w+\s\w+]+$',
  95                                  label=_("description"),
  96                                  error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  97     #cc_myself = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={'class':'form-control'}))
  98
  99 class PassResetForm(forms.Form):
 100     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
 101
 102 #class SliceRequestForm(forms.Form):
 103 #    slice_name = forms.CharField()
 104 #    authority_hrn = forms.ChoiceField(choices=[(1, 'un')])
 105 #    number_of_nodes  = forms.DecimalField()
 106 #    type_of_nodes = forms.CharField()
 107 #    purpose = forms.CharField(widget=forms.Textarea)
 108 #    email = forms.EmailField()
 109 #    cc_myself = forms.BooleanField(required=False)
 110 #
 111 #    slice_name = forms.CharField(
 112 #        widget=forms.TextInput(attrs={'class':'form-control'}),
 113 #        help_text="The name for the slice you wish to create")
 114 #    authority_hrn = forms.ChoiceField(
 115 #        widget    = forms.Select(attrs={'class':'form-control'}),
 116 #        choices   = [],
 117 #        help_text = "An authority responsible for vetting your slice")
 118 #    number_of_nodes = forms.DecimalField(
 119 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 120 #        help_text = "The number of nodes you expect to request (informative)")
 121 #    type_of_nodes = forms.CharField(
 122 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 123 #        help_text = "The type of nodes you expect to request (informative)")
 124 #    purpose = forms.CharField(
 125 #        widget    = forms.Textarea(attrs={'class':'form-control'}),
 126 #        help_text = "The purpose of your experiment (informative)")
 127 #    email = forms.EmailField(
 128 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 129 #        help_text = "Your email address")
 130 #    cc_myself = forms.BooleanField(
 131 #        widget    = forms.CheckboxInput(attrs={'class':'form-control'}),
 132 #        required  = False,
 133 #        help_text = "If you'd like to be cc'ed on the request email")
 134 #
 135 #    def __init__(self, *args, **kwargs):
 136 #        initial =  kwargs.get('initial', {})
 137 #        authority_hrn = initial.get('authority_hrn', None)
 138 #
 139 #        # set just the initial value
 140 #        # in the real form needs something like this {'authority_hrn':'a'}
 141 #        # but in this case you want {'authority_hrn':('a', 'letter_a')}
 142 #        if authority_hrn:
 143 #            kwargs['initial']['authority_hrn'] = authority_hrn[0]
 144 #
 145 #        # create the form
 146 #        super(SliceRequestForm, self).__init__(*args, **kwargs)
 147 #
 148 #        # self.fields only exist after, so a double validation is needed
 149 #        if authority_hrn:# and authority_hrn[0] not in (c[0] for c in authority_hrn):
 150 #            # XXX This does not work, the choicefield is not updated...
 151 #            #self.fields['authority_hrn'].choices.extend(authority_hrn)
 152 #            self.fields['authority_hrn'] = forms.ChoiceField(
 153 #                widget    = forms.Select(attrs={'class':'form-control'}),
 154 #                choices   = authority_hrn,
 155 #                help_text = "An authority responsible for vetting your slice")
 156
 157
 158 class PasswordResetForm(forms.Form):
 159     error_messages = {
 160         'unknown': _("That email address doesn't have an associated "
 161                      "user account. Are you sure you've registered?"),
 162         'unusable': _("The user account associated with this email "
 163                       "address cannot reset the password."),
 164     }
 165     email = forms.EmailField(label=_("Email"), max_length=254)
 166
 167     def clean_email(self):
 168         """
 169         Validates that an active user exists with the given email address.
 170         """
 171         UserModel = get_user_model()
 172         email = self.cleaned_data["email"]
 173         self.users_cache = UserModel._default_manager.filter(email__iexact=email)
 174         if not len(self.users_cache):
 175             raise forms.ValidationError(self.error_messages['unknown'])
 176         if not any(user.is_active for user in self.users_cache):
 177             # none of the filtered users are active
 178             raise forms.ValidationError(self.error_messages['unknown'])
 179         if any(is_password_unusable(user.password) for user in self.users_cache):
 180             raise forms.ValidationError(self.error_messages['unusable'])
 181         return email
 182
 183     def save(self, domain_override=None,
 184              subject_template_name='registration/password_reset_subject.txt',
 185              email_template_name='registration/password_reset_email.html',
 186              use_https=False, token_generator=default_token_generator,
 187              from_email=None, request=None):
 188         """
 189         Generates a one-use only link for resetting password and sends to the
 190         user.
 191         """
 192         from django.core.mail import send_mail,EmailMultiAlternatives
 193         try:
 194             for user in self.users_cache:
 195                 if not domain_override:
 196                     current_site = get_current_site(request)
 197                     site_name = current_site.name
 198                     domain = current_site.domain
 199                 else:
 200                     site_name = domain = domain_override
 201                 c = {
 202                     'email': user.email,
 203                     'domain': domain,
 204                     'site_name': site_name,
 205                     'uid': int_to_base36(user.pk),
 206                     'user': user,
 207                     'token': token_generator.make_token(user),
 208                     'protocol': use_https and 'https' or 'http',
 209                 }
 210                 subject = loader.render_to_string(subject_template_name, c)
 211                 # Email subject *must not* contain newlines
 212                 subject = ''.join(subject.splitlines())
 213                 email = loader.render_to_string(email_template_name, c)
 214                 send_mail(subject, email, from_email, [user.email])
 215         except Exception, e:
 216             print "Failed to send email, please check the mail templates and the SMTP configuration of your server"
 217
 218
 219 class SetPasswordForm(forms.Form):
 220     """
 221     A form that lets a user change set his/her password without entering the
 222     old password
 223     """
 224     error_messages = {
 225         'password_mismatch': _("The two password fields didn't match."),
 226     }
 227     new_password1 = forms.CharField(label=_("New password"),
 228                                     widget=forms.PasswordInput)
 229     new_password2 = forms.CharField(label=_("New password confirmation"),
 230                                     widget=forms.PasswordInput)
 231
 232     def __init__(self, user, *args, **kwargs):
 233         self.user = user
 234         super(SetPasswordForm, self).__init__(*args, **kwargs)
 235
 236     def clean_new_password2(self):
 237         password1 = self.cleaned_data.get('new_password1')
 238         password2 = self.cleaned_data.get('new_password2')
 239         if password1 and password2:
 240             if password1 != password2:
 241                 raise forms.ValidationError(
 242                     self.error_messages['password_mismatch'])
 243         return password2
 244
 245     def save(self, commit=True):
 246         self.user.set_password(self.cleaned_data['new_password1'])
 247         if commit:
 248             self.user.save()
 249         return self.user
 250