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 # TODO: Remove these automated forms and use html templates and views like any other page !
  25
  26 from django import forms
  27 #from crispy_forms.helper import FormHelper
  28 #from crispy_forms.layout import Submit
  29 from django.utils.translation import ugettext_lazy as _
  30 from django.contrib.auth.tokens import default_token_generator
  31 from django.contrib.auth import authenticate, get_user_model
  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 from django.contrib.auth.hashers import identify_hasher
  37
  38 from portal.models import PendingUser, PendingSlice
  39
  40 from myslice.settings import logger
  41
  42 # adapted from https://sourcegraph.com/github.com/fusionbox/django-authtools/symbols/python/authtools/forms
  43
  44 def is_password_unusable(pw):
  45     # like Django's is_password_usable, but only checks for unusable
  46     # passwords, not invalidly encoded passwords too.
  47     try:
  48         # 1.5
  49         from django.contrib.auth.hashers import UNUSABLE_PASSWORD
  50         return pw == UNUSABLE_PASSWORD
  51     except ImportError:
  52         # 1.6
  53         from django.contrib.auth.hashers import UNUSABLE_PASSWORD_PREFIX
  54         return pw.startswith(UNUSABLE_PASSWORD_PREFIX)
  55
  56
  57
  58
  59 # xxx painful, but...
  60 # bootstrap3 requires the <input> fields to be tagged class='form-control'
  61 # my first idea was to add this in the view template of course, BUT
  62 # I can't find a way to access the 'type=' value for a given field
  63 # I've looked rather deeply out there but to no avail so far
  64 # so as we have a demo coming up soon, and until we can come with a less intrusive way to handle this...
  65 #
  66 # initial version was
  67 #class ContactForm(forms.Form):
  68 #    first_name = forms.CharField()
  69 #    last_name = forms.CharField()
  70 #    affiliation = forms.CharField()
  71 #    subject = forms.CharField(max_length=100)
  72 #    message = forms.CharField(widget=forms.Textarea)
  73 #    email = forms.EmailField()
  74 #    cc_myself = forms.BooleanField(required=False)
  75
  76 class ContactForm(forms.Form):
  77    # first_name = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  78    #                             regex=r'^[\w.@+-]+$',
  79    #                              max_length=30,
  80    #                              label=_("First name"),
  81    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  82    # last_name = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  83    #                             regex=r'^[\w.@+-]+$',
  84    #                              max_length=30,
  85    #                              label=_("Last name"),
  86    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  87    # authority = forms.RegexField(widget=forms.TextInput(attrs={'class':'form-control'}),
  88    #                             regex=r'^[\w.@+-]+$',
  89    #                              max_length=30,
  90    #                              label=_("authority"),
  91    #                              error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
  92     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  93     subject = forms.CharField(widget=forms.TextInput(attrs={'class':'form-control'}))
  94     description = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
  95     #cc_myself = forms.BooleanField(required=False,widget=forms.CheckboxInput(attrs={'class':'form-control'}))
  96
  97 class PassResetForm(forms.Form):
  98     email = forms.EmailField(widget=forms.TextInput(attrs={'class':'form-control'}))
  99
 100 #class SliceRequestForm(forms.Form):
 101 #    slice_name = forms.CharField()
 102 #    authority_hrn = forms.ChoiceField(choices=[(1, 'un')])
 103 #    number_of_nodes  = forms.DecimalField()
 104 #    type_of_nodes = forms.CharField()
 105 #    purpose = forms.CharField(widget=forms.Textarea)
 106 #    email = forms.EmailField()
 107 #    cc_myself = forms.BooleanField(required=False)
 108 #
 109 #    slice_name = forms.CharField(
 110 #        widget=forms.TextInput(attrs={'class':'form-control'}),
 111 #        help_text="The name for the slice you wish to create")
 112 #    authority_hrn = forms.ChoiceField(
 113 #        widget    = forms.Select(attrs={'class':'form-control'}),
 114 #        choices   = [],
 115 #        help_text = "An authority responsible for vetting your slice")
 116 #    number_of_nodes = forms.DecimalField(
 117 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 118 #        help_text = "The number of nodes you expect to request (informative)")
 119 #    type_of_nodes = forms.CharField(
 120 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 121 #        help_text = "The type of nodes you expect to request (informative)")
 122 #    purpose = forms.CharField(
 123 #        widget    = forms.Textarea(attrs={'class':'form-control'}),
 124 #        help_text = "The purpose of your experiment (informative)")
 125 #    email = forms.EmailField(
 126 #        widget    = forms.TextInput(attrs={'class':'form-control'}),
 127 #        help_text = "Your email address")
 128 #    cc_myself = forms.BooleanField(
 129 #        widget    = forms.CheckboxInput(attrs={'class':'form-control'}),
 130 #        required  = False,
 131 #        help_text = "If you'd like to be cc'ed on the request email")
 132 #
 133 #    def __init__(self, *args, **kwargs):
 134 #        initial =  kwargs.get('initial', {})
 135 #        authority_hrn = initial.get('authority_hrn', None)
 136 #
 137 #        # set just the initial value
 138 #        # in the real form needs something like this {'authority_hrn':'a'}
 139 #        # but in this case you want {'authority_hrn':('a', 'letter_a')}
 140 #        if authority_hrn:
 141 #            kwargs['initial']['authority_hrn'] = authority_hrn[0]
 142 #
 143 #        # create the form
 144 #        super(SliceRequestForm, self).__init__(*args, **kwargs)
 145 #
 146 #        # self.fields only exist after, so a double validation is needed
 147 #        if authority_hrn:# and authority_hrn[0] not in (c[0] for c in authority_hrn):
 148 #            # XXX This does not work, the choicefield is not updated...
 149 #            #self.fields['authority_hrn'].choices.extend(authority_hrn)
 150 #            self.fields['authority_hrn'] = forms.ChoiceField(
 151 #                widget    = forms.Select(attrs={'class':'form-control'}),
 152 #                choices   = authority_hrn,
 153 #                help_text = "An authority responsible for vetting your slice")
 154
 155
 156 class PasswordResetForm(forms.Form):
 157     error_messages = {
 158         'unknown': _("That email address doesn't have an associated "
 159                      "user account. Are you sure you've registered?"),
 160         'unusable': _("The user account associated with this email "
 161                       "address cannot reset the password."),
 162     }
 163     email = forms.EmailField(label=_("Email"), max_length=254)
 164
 165     def clean_email(self):
 166         """
 167         Validates that an active user exists with the given email address.
 168         """
 169         UserModel = get_user_model()
 170         email = self.cleaned_data["email"]
 171         self.users_cache = UserModel._default_manager.filter(email__iexact=email)
 172         if not len(self.users_cache):
 173             raise forms.ValidationError(self.error_messages['unknown'])
 174         if not any(user.is_active for user in self.users_cache):
 175             # none of the filtered users are active
 176             raise forms.ValidationError(self.error_messages['unknown'])
 177         if any(is_password_unusable(user.password) for user in self.users_cache):
 178             raise forms.ValidationError(self.error_messages['unusable'])
 179         return email
 180
 181     def save(self, domain_override=None,
 182              subject_template_name='registration/password_reset_subject.txt',
 183              email_template_name='registration/password_reset_email.html',
 184              use_https=False, token_generator=default_token_generator,
 185              from_email=None, request=None):
 186         """
 187         Generates a one-use only link for resetting password and sends to the
 188         user.
 189         """
 190         from django.core.mail import send_mail,EmailMultiAlternatives
 191         try:
 192             for user in self.users_cache:
 193                 if not domain_override:
 194                     current_site = get_current_site(request)
 195                     site_name = current_site.name
 196                     domain = current_site.domain
 197                 else:
 198                     site_name = domain = domain_override
 199                 c = {
 200                     'email': user.email,
 201                     'domain': domain,
 202                     'site_name': site_name,
 203                     'uid': int_to_base36(user.pk),
 204                     'user': user,
 205                     'token': token_generator.make_token(user),
 206                     'protocol': use_https and 'https' or 'http',
 207                 }
 208                 subject = loader.render_to_string(subject_template_name, c)
 209                 # Email subject *must not* contain newlines
 210                 subject = ''.join(subject.splitlines())
 211                 email = loader.render_to_string(email_template_name, c)
 212                 send_mail(subject, email, from_email, [user.email])
 213         except Exception as e:
 214             logger.error("Failed to send email, please check the mail templates and the SMTP configuration of your server")
 215
 216
 217 class SetPasswordForm(forms.Form):
 218     """
 219     A form that lets a user change set his/her password without entering the
 220     old password
 221     """
 222     error_messages = {
 223         'password_mismatch': _("The two password fields didn't match."),
 224     }
 225     new_password1 = forms.CharField(label=_("New password"),
 226                                     widget=forms.PasswordInput)
 227     new_password2 = forms.CharField(label=_("New password confirmation"),
 228                                     widget=forms.PasswordInput)
 229
 230     def __init__(self, user, *args, **kwargs):
 231         self.user = user
 232         super(SetPasswordForm, self).__init__(*args, **kwargs)
 233
 234     def clean_new_password2(self):
 235         password1 = self.cleaned_data.get('new_password1')
 236         password2 = self.cleaned_data.get('new_password2')
 237         if password1 and password2:
 238             if password1 != password2:
 239                 raise forms.ValidationError(
 240                     self.error_messages['password_mismatch'])
 241         return password2
 242
 243     def save(self, commit=True):
 244         self.user.set_password(self.cleaned_data['new_password1'])
 245         if commit:
 246             self.user.save()
 247         return self.user
 248