# -*- coding: utf-8 -*-
# Copyright (C) 2016-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import datetime
import formencode
import logging
import urlparse
from pylons import url
from pyramid.httpexceptions import HTTPFound
from pyramid.view import view_config
from recaptcha.client.captcha import submit
from rhodecode.authentication.base import authenticate, HTTP_TYPE
from rhodecode.events import UserRegistered
from rhodecode.lib.auth import (
AuthUser, HasPermissionAnyDecorator, CSRFRequired)
from rhodecode.lib.base import get_ip_addr
from rhodecode.lib.exceptions import UserCreationError
from rhodecode.lib.utils2 import safe_str
from rhodecode.model.db import User
from rhodecode.model.forms import LoginForm, RegisterForm, PasswordResetForm
from rhodecode.model.login_session import LoginSession
from rhodecode.model.meta import Session
from rhodecode.model.settings import SettingsModel
from rhodecode.model.user import UserModel
from rhodecode.translation import _
log = logging.getLogger(__name__)
def _store_user_in_session(session, username, remember=False):
user = User.get_by_username(username, case_insensitive=True)
auth_user = AuthUser(user.user_id)
auth_user.set_authenticated()
cs = auth_user.get_cookie_store()
session['rhodecode_user'] = cs
user.update_lastlogin()
Session().commit()
# If they want to be remembered, update the cookie
if remember:
_year = (datetime.datetime.now() +
datetime.timedelta(seconds=60 * 60 * 24 * 365))
session._set_cookie_expires(_year)
session.save()
log.info('user %s is now authenticated and stored in '
'session, session attrs %s', username, cs)
# dumps session attrs back to cookie
session._update_cookie_out()
# we set new cookie
headers = None
if session.request['set_cookie']:
# send set-cookie headers back to response to update cookie
headers = [('Set-Cookie', session.request['cookie_out'])]
return headers
def get_came_from(request):
came_from = safe_str(request.GET.get('came_from', ''))
parsed = urlparse.urlparse(came_from)
allowed_schemes = ['http', 'https']
if parsed.scheme and parsed.scheme not in allowed_schemes:
log.error('Suspicious URL scheme detected %s for url %s' %
(parsed.scheme, parsed))
came_from = url('home')
elif parsed.netloc and request.host != parsed.netloc:
log.error('Suspicious NETLOC detected %s for url %s server url '
'is: %s' % (parsed.netloc, parsed, request.host))
came_from = url('home')
elif any(bad_str in parsed.path for bad_str in ('\r', '\n')):
log.error('Header injection detected `%s` for url %s server url ' %
(parsed.path, parsed))
came_from = url('home')
return came_from or url('home')
class LoginView(object):
def __init__(self, context, request):
self.request = request
self.context = context
self.session = request.session
self._rhodecode_user = request.user
def _get_template_context(self):
return {
'came_from': get_came_from(self.request),
'defaults': {},
'errors': {},
}
@view_config(
route_name='login', request_method='GET',
renderer='rhodecode:templates/login.html')
def login(self):
came_from = get_came_from(self.request)
user = self.request.user
# redirect if already logged in
if user.is_authenticated and not user.is_default and user.ip_allowed:
raise HTTPFound(came_from)
# check if we use headers plugin, and try to login using it.
try:
log.debug('Running PRE-AUTH for headers based authentication')
auth_info = authenticate(
'', '', self.request.environ, HTTP_TYPE, skip_missing=True)
if auth_info:
headers = _store_user_in_session(
self.session, auth_info.get('username'))
raise HTTPFound(came_from, headers=headers)
except UserCreationError as e:
log.error(e)
self.session.flash(e, queue='error')
return self._get_template_context()
@view_config(
route_name='login', request_method='POST',
renderer='rhodecode:templates/login.html')
def login_post(self):
came_from = get_came_from(self.request)
session = self.request.session
login_form = LoginForm()()
try:
session.invalidate()
form_result = login_form.to_python(self.request.params)
# form checks for username/password, now we're authenticated
headers = _store_user_in_session(
self.session,
username=form_result['username'],
remember=form_result['remember'])
log.debug('Redirecting to "%s" after login.', came_from)
raise HTTPFound(came_from, headers=headers)
except formencode.Invalid as errors:
defaults = errors.value
# remove password from filling in form again
del defaults['password']
render_ctx = self._get_template_context()
render_ctx.update({
'errors': errors.error_dict,
'defaults': defaults,
})
return render_ctx
except UserCreationError as e:
# headers auth or other auth functions that create users on
# the fly can throw this exception signaling that there's issue
# with user creation, explanation should be provided in
# Exception itself
session.flash(e, queue='error')
return self._get_template_context()
@CSRFRequired()
@view_config(route_name='logout', request_method='POST')
def logout(self):
LoginSession().destroy_user_session()
return HTTPFound(url('home'))
@HasPermissionAnyDecorator(
'hg.admin', 'hg.register.auto_activate', 'hg.register.manual_activate')
@view_config(
route_name='register', request_method='GET',
renderer='rhodecode:templates/register.html',)
def register(self, defaults=None, errors=None):
defaults = defaults or {}
errors = errors or {}
settings = SettingsModel().get_all_settings()
captcha_public_key = settings.get('rhodecode_captcha_public_key')
captcha_private_key = settings.get('rhodecode_captcha_private_key')
captcha_active = bool(captcha_private_key)
register_message = settings.get('rhodecode_register_message') or ''
auto_active = 'hg.register.auto_activate' in User.get_default_user()\
.AuthUser.permissions['global']
render_ctx = self._get_template_context()
render_ctx.update({
'defaults': defaults,
'errors': errors,
'auto_active': auto_active,
'captcha_active': captcha_active,
'captcha_public_key': captcha_public_key,
'register_message': register_message,
})
return render_ctx
@HasPermissionAnyDecorator(
'hg.admin', 'hg.register.auto_activate', 'hg.register.manual_activate')
@view_config(
route_name='register', request_method='POST',
renderer='rhodecode:templates/register.html')
def register_post(self):
captcha_private_key = SettingsModel().get_setting_by_name(
'rhodecode_captcha_private_key')
captcha_active = bool(captcha_private_key)
auto_active = 'hg.register.auto_activate' in User.get_default_user()\
.AuthUser.permissions['global']
register_form = RegisterForm()()
try:
form_result = register_form.to_python(self.request.params)
form_result['active'] = auto_active
if captcha_active:
response = submit(
self.request.params.get('recaptcha_challenge_field'),
self.request.params.get('recaptcha_response_field'),
private_key=captcha_private_key,
remoteip=get_ip_addr(self.request.environ))
if captcha_active and not response.is_valid:
_value = form_result
_msg = _('bad captcha')
error_dict = {'recaptcha_field': _msg}
raise formencode.Invalid(_msg, _value, None,
error_dict=error_dict)
new_user = UserModel().create_registration(form_result)
event = UserRegistered(user=new_user, session=self.session)
self.request.registry.notify(event)
self.session.flash(
_('You have successfully registered with RhodeCode'),
queue='success')
Session().commit()
redirect_ro = self.request.route_path('login')
raise HTTPFound(redirect_ro)
except formencode.Invalid as errors:
del errors.value['password']
del errors.value['password_confirmation']
return self.register(
defaults=errors.value, errors=errors.error_dict)
except UserCreationError as e:
# container auth or other auth functions that create users on
# the fly can throw this exception signaling that there's issue
# with user creation, explanation should be provided in
# Exception itself
self.session.flash(e, queue='error')
return self.register()
@view_config(
route_name='reset_password', request_method=('GET', 'POST'),
renderer='rhodecode:templates/password_reset.html')
def password_reset(self):
settings = SettingsModel().get_all_settings()
captcha_private_key = settings.get('rhodecode_captcha_private_key')
captcha_active = bool(captcha_private_key)
captcha_public_key = settings.get('rhodecode_captcha_public_key')
render_ctx = {
'captcha_active': captcha_active,
'captcha_public_key': captcha_public_key,
'defaults': {},
'errors': {},
}
if self.request.POST:
password_reset_form = PasswordResetForm()()
try:
form_result = password_reset_form.to_python(
self.request.params)
if captcha_active:
response = submit(
self.request.params.get('recaptcha_challenge_field'),
self.request.params.get('recaptcha_response_field'),
private_key=captcha_private_key,
remoteip=get_ip_addr(self.request.environ))
if captcha_active and not response.is_valid:
_value = form_result
_msg = _('bad captcha')
error_dict = {'recaptcha_field': _msg}
raise formencode.Invalid(_msg, _value, None,
error_dict=error_dict)
# Generate reset URL and send mail.
user_email = form_result['email']
user = User.get_by_email(user_email)
password_reset_url = self.request.route_url(
'reset_password_confirmation',
_query={'key': user.api_key})
UserModel().reset_password_link(
form_result, password_reset_url)
# Display success message and redirect.
self.session.flash(
_('Your password reset link was sent'),
queue='success')
return HTTPFound(self.request.route_path('login'))
except formencode.Invalid as errors:
render_ctx.update({
'defaults': errors.value,
'errors': errors.error_dict,
})
return render_ctx
@view_config(route_name='reset_password_confirmation',
request_method='GET')
def password_reset_confirmation(self):
if self.request.GET and self.request.GET.get('key'):
try:
user = User.get_by_auth_token(self.request.GET.get('key'))
password_reset_url = self.request.route_url(
'reset_password_confirmation',
_query={'key': user.api_key})
data = {'email': user.email}
UserModel().reset_password(data, password_reset_url)
self.session.flash(
_('Your password reset was successful, '
'a new password has been sent to your email'),
queue='success')
except Exception as e:
log.error(e)
return HTTPFound(self.request.route_path('reset_password'))
return HTTPFound(self.request.route_path('login'))