mirror of https://github.com/zulip/zulip.git
221 lines
9.5 KiB
Python
221 lines
9.5 KiB
Python
from __future__ import absolute_import
|
|
|
|
from django import forms
|
|
from django.conf import settings
|
|
from django.contrib.auth.forms import SetPasswordForm, AuthenticationForm, \
|
|
PasswordResetForm
|
|
from django.core.exceptions import ValidationError
|
|
from django.core.urlresolvers import reverse
|
|
from django.db.models.query import QuerySet
|
|
from django.utils.translation import ugettext as _
|
|
from jinja2 import Markup as mark_safe
|
|
|
|
from zerver.lib.actions import do_change_password, is_inactive, user_email_is_unique
|
|
from zerver.lib.name_restrictions import is_reserved_subdomain, is_disposable_domain
|
|
from zerver.lib.utils import get_subdomain, check_subdomain
|
|
from zerver.models import Realm, get_user_profile_by_email, UserProfile, \
|
|
completely_open, get_realm, get_realm_by_email_domain, get_realm_by_string_id, \
|
|
get_unique_open_realm, email_to_domain, email_allowed_for_realm
|
|
from zproject.backends import password_auth_enabled
|
|
|
|
import logging
|
|
import re
|
|
import DNS
|
|
|
|
from six import text_type
|
|
from typing import Any, Callable, Optional
|
|
|
|
MIT_VALIDATION_ERROR = u'That user does not exist at MIT or is a ' + \
|
|
u'<a href="https://ist.mit.edu/email-lists">mailing list</a>. ' + \
|
|
u'If you want to sign up an alias for Zulip, ' + \
|
|
u'<a href="mailto:support@zulipchat.com">contact us</a>.'
|
|
WRONG_SUBDOMAIN_ERROR = "Your Zulip account is not a member of the " + \
|
|
"organization associated with this subdomain. " + \
|
|
"Please contact %s with any questions!" % (settings.ZULIP_ADMINISTRATOR,)
|
|
|
|
def get_registration_string(domain):
|
|
# type: (text_type) -> text_type
|
|
register_url = reverse('register') + domain
|
|
register_account_string = _('The organization with the domain already exists. '
|
|
'Please register your account <a href=%(url)s>here</a>.') % {'url': register_url}
|
|
return register_account_string
|
|
|
|
def email_is_not_mit_mailing_list(email):
|
|
# type: (text_type) -> None
|
|
"""Prevent MIT mailing lists from signing up for Zulip"""
|
|
if "@mit.edu" in email:
|
|
username = email.rsplit("@", 1)[0]
|
|
# Check whether the user exists and can get mail.
|
|
try:
|
|
DNS.dnslookup("%s.pobox.ns.athena.mit.edu" % username, DNS.Type.TXT)
|
|
except DNS.Base.ServerError as e:
|
|
if e.rcode == DNS.Status.NXDOMAIN:
|
|
raise ValidationError(mark_safe(MIT_VALIDATION_ERROR))
|
|
else:
|
|
raise
|
|
|
|
class RegistrationForm(forms.Form):
|
|
full_name = forms.CharField(max_length=100)
|
|
# The required-ness of the password field gets overridden if it isn't
|
|
# actually required for a realm
|
|
password = forms.CharField(widget=forms.PasswordInput, max_length=100,
|
|
required=False)
|
|
realm_name = forms.CharField(max_length=100, required=False)
|
|
realm_subdomain = forms.CharField(max_length=40, required=False)
|
|
realm_org_type = forms.ChoiceField(((Realm.COMMUNITY, 'Community'),
|
|
(Realm.CORPORATE, 'Corporate')), \
|
|
initial=Realm.COMMUNITY, required=False)
|
|
|
|
if settings.TERMS_OF_SERVICE:
|
|
terms = forms.BooleanField(required=True)
|
|
|
|
def clean_realm_subdomain(self):
|
|
# type: () -> str
|
|
if settings.REALMS_HAVE_SUBDOMAINS:
|
|
error_strings = {
|
|
'too short': _("Subdomain needs to have length 3 or greater."),
|
|
'extremal dash': _("Subdomain cannot start or end with a '-'."),
|
|
'bad character': _("Subdomain can only have lowercase letters, numbers, and '-'s."),
|
|
'unavailable': _("Subdomain unavailable. Please choose a different one.")}
|
|
else:
|
|
error_strings = {
|
|
'too short': _("Short name needs at least 3 characters."),
|
|
'extremal dash': _("Short name cannot start or end with a '-'."),
|
|
'bad character': _("Short name can only have lowercase letters, numbers, and '-'s."),
|
|
'unavailable': _("Short name unavailable. Please choose a different one.")}
|
|
subdomain = self.cleaned_data['realm_subdomain']
|
|
if not subdomain:
|
|
return ''
|
|
if len(subdomain) < 3:
|
|
raise ValidationError(error_strings['too short'])
|
|
if subdomain[0] == '-' or subdomain[-1] == '-':
|
|
raise ValidationError(error_strings['extremal dash'])
|
|
if not re.match('^[a-z0-9-]*$', subdomain):
|
|
raise ValidationError(error_strings['bad character'])
|
|
if is_reserved_subdomain(subdomain) or \
|
|
get_realm_by_string_id(subdomain) is not None:
|
|
raise ValidationError(error_strings['unavailable'])
|
|
return subdomain
|
|
|
|
class ToSForm(forms.Form):
|
|
terms = forms.BooleanField(required=True)
|
|
|
|
class HomepageForm(forms.Form):
|
|
# This form is important because it determines whether users can
|
|
# register for our product. Be careful when modifying the
|
|
# validators.
|
|
email = forms.EmailField(validators=[is_inactive])
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
# type: (*Any, **Any) -> None
|
|
self.string_id = kwargs.get("string_id")
|
|
if "string_id" in kwargs:
|
|
del kwargs["string_id"]
|
|
super(HomepageForm, self).__init__(*args, **kwargs)
|
|
|
|
def clean_email(self):
|
|
# type: () -> str
|
|
"""Returns the email if and only if the user's email address is
|
|
allowed to join the realm they are trying to join."""
|
|
email = self.cleaned_data['email']
|
|
|
|
if get_unique_open_realm():
|
|
return email
|
|
|
|
# Otherwise, the user is trying to join a specific realm.
|
|
realm = None
|
|
if self.string_id:
|
|
realm = get_realm_by_string_id(self.string_id)
|
|
elif not settings.REALMS_HAVE_SUBDOMAINS:
|
|
realm = get_realm_by_email_domain(email)
|
|
|
|
if realm is None:
|
|
if settings.REALMS_HAVE_SUBDOMAINS:
|
|
raise ValidationError(_("The organization you are trying to join does not exist."))
|
|
else:
|
|
raise ValidationError(_("Your email address does not correspond to any existing organization."))
|
|
|
|
if realm.invite_required:
|
|
raise ValidationError(_("Please request an invite from the organization administrator."))
|
|
|
|
if not email_allowed_for_realm(email, realm):
|
|
raise ValidationError(
|
|
_("The organization you are trying to join, %(string_id)s, only allows users with e-mail "
|
|
"addresses within the organization. Please try a different e-mail address."
|
|
% {'string_id': realm.string_id}))
|
|
|
|
if realm.is_zephyr_mirror_realm:
|
|
email_is_not_mit_mailing_list(email)
|
|
|
|
return email
|
|
|
|
def email_is_not_disposable(email):
|
|
# type: (text_type) -> None
|
|
if is_disposable_domain(email_to_domain(email)):
|
|
raise ValidationError(_("Please use your real email address."))
|
|
|
|
class RealmCreationForm(forms.Form):
|
|
# This form determines whether users can
|
|
# create a new realm. Be careful when modifying the
|
|
# validators.
|
|
email = forms.EmailField(validators=[user_email_is_unique, email_is_not_disposable])
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
# type: (*Any, **Any) -> None
|
|
self.domain = kwargs.get("domain")
|
|
if "domain" in kwargs:
|
|
del kwargs["domain"]
|
|
super(RealmCreationForm, self).__init__(*args, **kwargs)
|
|
|
|
class LoggingSetPasswordForm(SetPasswordForm):
|
|
def save(self, commit=True):
|
|
# type: (bool) -> UserProfile
|
|
do_change_password(self.user, self.cleaned_data['new_password1'],
|
|
log=True, commit=commit)
|
|
return self.user
|
|
|
|
class ZulipPasswordResetForm(PasswordResetForm):
|
|
def get_users(self, email):
|
|
# type: (str) -> QuerySet
|
|
"""Given an email, return matching user(s) who should receive a reset.
|
|
|
|
This is modified from the original in that it allows non-bot
|
|
users who don't have a usable password to reset their
|
|
passwords.
|
|
"""
|
|
if not password_auth_enabled:
|
|
logging.info("Password reset attempted for %s even though password auth is disabled." % (email,))
|
|
return []
|
|
result = UserProfile.objects.filter(email__iexact=email, is_active=True,
|
|
is_bot=False)
|
|
if len(result) == 0:
|
|
logging.info("Password reset attempted for %s; no active account." % (email,))
|
|
return result
|
|
|
|
class CreateUserForm(forms.Form):
|
|
full_name = forms.CharField(max_length=100)
|
|
email = forms.EmailField()
|
|
|
|
class OurAuthenticationForm(AuthenticationForm):
|
|
def clean_username(self):
|
|
# type: () -> str
|
|
email = self.cleaned_data['username']
|
|
try:
|
|
user_profile = get_user_profile_by_email(email)
|
|
except UserProfile.DoesNotExist:
|
|
return email
|
|
|
|
if user_profile.realm.deactivated:
|
|
error_msg = u"""Sorry for the trouble, but %s has been deactivated.
|
|
|
|
Please contact %s to reactivate this group.""" % (
|
|
user_profile.realm.name,
|
|
settings.ZULIP_ADMINISTRATOR)
|
|
raise ValidationError(mark_safe(error_msg))
|
|
|
|
if not check_subdomain(get_subdomain(self.request), user_profile.realm.subdomain):
|
|
logging.warning("User %s attempted to password login to wrong subdomain %s" %
|
|
(user_profile.email, get_subdomain(self.request)))
|
|
raise ValidationError(mark_safe(WRONG_SUBDOMAIN_ERROR))
|
|
return email
|