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mirror of https://github.com/haiwen/seahub.git synced 2025-08-25 18:20:48 +00:00
seahub/seahub/auth/forms.py
2016-07-26 10:51:29 +08:00

219 lines
8.2 KiB
Python

# Copyright (c) 2012-2016 Seafile Ltd.
from django.contrib.sites.models import Site
from django import forms
from django.utils.translation import ugettext_lazy as _
from django.utils.http import int_to_base36
from seahub.base.accounts import User
from seahub.auth import authenticate
from seahub.auth.tokens import default_token_generator
from seahub.profile.models import Profile
from seahub.utils import IS_EMAIL_CONFIGURED, send_html_email, \
is_valid_username, is_ldap_user, is_user_password_strong, clear_token
from captcha.fields import CaptchaField
from constance import config
class AuthenticationForm(forms.Form):
"""
Base class for authenticating users. Extend this to get a form that accepts
username/password logins.
"""
login = forms.CharField(label=_("Email or Username"), max_length=255)
password = forms.CharField(label=_("Password"), widget=forms.PasswordInput)
def __init__(self, request=None, *args, **kwargs):
"""
If request is passed in, the form will validate that cookies are
enabled. Note that the request (a HttpRequest object) must have set a
cookie with the key TEST_COOKIE_NAME and value TEST_COOKIE_VALUE before
running this validation.
"""
self.request = request
self.user_cache = None
super(AuthenticationForm, self).__init__(*args, **kwargs)
def get_username_by_login(self, login):
"""Convert login id to username(login email). Return login id if there
is no login_id <-> username record in user profile; Otherwise, return
username.
"""
username = Profile.objects.get_username_by_login_id(login)
if username is None:
return login
else:
return username
def clean_login(self):
return self.cleaned_data['login'].strip()
def clean(self):
login = self.cleaned_data.get('login')
password = self.cleaned_data.get('password')
# convert login id to username
username = self.get_username_by_login(login)
if username and password:
self.user_cache = authenticate(username=username,
password=password)
if self.user_cache is None:
raise forms.ValidationError(_("Please enter a correct email/username and password. Note that both fields are case-sensitive."))
elif not self.user_cache.is_active:
raise forms.ValidationError(_("This account is inactive."))
# TODO: determine whether this should move to its own method.
if self.request:
if not self.request.session.test_cookie_worked():
raise forms.ValidationError(_("Your Web browser doesn't appear to have cookies enabled. Cookies are required for logging in."))
return self.cleaned_data
def get_user_id(self):
if self.user_cache:
return self.user_cache.id
return None
def get_user(self):
return self.user_cache
class CaptchaAuthenticationForm(AuthenticationForm):
captcha = CaptchaField()
class PasswordResetForm(forms.Form):
email = forms.EmailField(label=_("E-mail"), max_length=255)
def clean_email(self):
"""
Validates that a user exists with the given e-mail address.
"""
if not IS_EMAIL_CONFIGURED:
raise forms.ValidationError(_(u'Failed to send email, email service is not properly configured, please contact administrator.'))
email = self.cleaned_data["email"].lower().strip()
# TODO: add filter method to UserManager
try:
self.users_cache = User.objects.get(email=email)
except User.DoesNotExist:
raise forms.ValidationError(_("That e-mail address doesn't have an associated user account. Are you sure you've registered?"))
if is_ldap_user(self.users_cache):
raise forms.ValidationError(_("Can not reset password, please contact LDAP admin."))
return email
def save(self, domain_override=None, email_template_name='registration/password_reset_email.html',
use_https=False, token_generator=default_token_generator):
"""
Generates a one-use only link for resetting password and sends to the user
"""
user = self.users_cache
if not domain_override:
current_site = Site.objects.get_current()
site_name = current_site.name
else:
site_name = domain_override
c = {
'email': user.username,
'uid': int_to_base36(user.id),
'user': user,
'token': token_generator.make_token(user),
}
send_html_email(_("Reset Password on %s") % site_name,
email_template_name, c, None, [user.username])
class SetPasswordForm(forms.Form):
"""
A form that lets a user change set his/her password without
entering the old password
"""
new_password1 = forms.CharField(label=_("New password"), widget=forms.PasswordInput)
new_password2 = forms.CharField(label=_("New password confirmation"), widget=forms.PasswordInput)
def __init__(self, user, *args, **kwargs):
self.user = user
super(SetPasswordForm, self).__init__(*args, **kwargs)
def clean_new_password1(self):
if 'new_password1' in self.cleaned_data:
pwd = self.cleaned_data['new_password1']
if bool(config.USER_STRONG_PASSWORD_REQUIRED) is True:
if bool(is_user_password_strong(pwd)) is True:
return pwd
else:
raise forms.ValidationError(
_(("%(pwd_len)s characters or more, include "
"%(num_types)s types or more of these: "
"letters(case sensitive), numbers, and symbols")) %
{'pwd_len': config.USER_PASSWORD_MIN_LENGTH,
'num_types': config.USER_PASSWORD_STRENGTH_LEVEL})
else:
return pwd
def clean_new_password2(self):
password1 = self.cleaned_data.get('new_password1')
password2 = self.cleaned_data.get('new_password2')
if password1 and password2:
if password1 != password2:
raise forms.ValidationError(_("The two password fields didn't match."))
return password2
def save(self, commit=True):
self.user.set_password(self.cleaned_data['new_password1'])
if commit:
self.user.save()
clear_token(self.user.username)
return self.user
class PasswordChangeForm(SetPasswordForm):
"""
A form that lets a user change his/her password by entering
their old password.
"""
old_password = forms.CharField(label=_("Old password"), widget=forms.PasswordInput)
def clean_old_password(self):
"""
Validates that the old_password field is correct.
"""
old_password = self.cleaned_data["old_password"]
if not self.user.check_password(old_password):
raise forms.ValidationError(_("Your old password was entered incorrectly. Please enter it again."))
return old_password
PasswordChangeForm.base_fields.keyOrder = ['old_password', 'new_password1', 'new_password2']
class AdminPasswordChangeForm(forms.Form):
"""
A form used to change the password of a user in the admin interface.
"""
password1 = forms.CharField(label=_("Password"), widget=forms.PasswordInput)
password2 = forms.CharField(label=_("Password (again)"), widget=forms.PasswordInput)
def __init__(self, user, *args, **kwargs):
self.user = user
super(AdminPasswordChangeForm, self).__init__(*args, **kwargs)
def clean_password2(self):
password1 = self.cleaned_data.get('password1')
password2 = self.cleaned_data.get('password2')
if password1 and password2:
if password1 != password2:
raise forms.ValidationError(_("The two password fields didn't match."))
return password2
def save(self, commit=True):
"""
Saves the new password.
"""
self.user.set_password(self.cleaned_data["password1"])
if commit:
self.user.save()
return self.user