##// END OF EJS Templates
auth-tokens: abstracted adding token for users into UserModel method for easier usage in scripts, and in future in API.
auth-tokens: abstracted adding token for users into UserModel method for easier usage in scripts, and in future in API.

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views.py
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# -*- coding: utf-8 -*-
# Copyright (C) 2016-2018 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 time
import collections
import datetime
import formencode
import formencode.htmlfill
import logging
import urlparse
import requests
from pyramid.httpexceptions import HTTPFound
from pyramid.view import view_config
from rhodecode.apps._base import BaseAppView
from rhodecode.authentication.base import authenticate, HTTP_TYPE
from rhodecode.events import UserRegistered, trigger
from rhodecode.lib import helpers as h
from rhodecode.lib import audit_logger
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, UserApiKeys
from rhodecode.model.forms import LoginForm, RegisterForm, PasswordResetForm
from rhodecode.model.meta import Session
from rhodecode.model.auth_token import AuthTokenModel
from rhodecode.model.settings import SettingsModel
from rhodecode.model.user import UserModel
from rhodecode.translation import _
log = logging.getLogger(__name__)
CaptchaData = collections.namedtuple(
'CaptchaData', 'active, private_key, public_key')
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()
safe_cs = cs.copy()
safe_cs['password'] = '****'
log.info('user %s is now authenticated and stored in '
'session, session attrs %s', username, safe_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']
default_came_from = h.route_path('home')
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 = default_came_from
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 = default_came_from
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 = default_came_from
return came_from or default_came_from
class LoginView(BaseAppView):
def load_default_context(self):
c = self._get_local_tmpl_context()
c.came_from = get_came_from(self.request)
return c
def _get_captcha_data(self):
settings = SettingsModel().get_all_settings()
private_key = settings.get('rhodecode_captcha_private_key')
public_key = settings.get('rhodecode_captcha_public_key')
active = bool(private_key)
return CaptchaData(
active=active, private_key=private_key, public_key=public_key)
def validate_captcha(self, private_key):
captcha_rs = self.request.POST.get('g-recaptcha-response')
url = "https://www.google.com/recaptcha/api/siteverify"
params = {
'secret': private_key,
'response': captcha_rs,
'remoteip': get_ip_addr(self.request.environ)
}
verify_rs = requests.get(url, params=params, verify=True, timeout=60)
verify_rs = verify_rs.json()
captcha_status = verify_rs.get('success', False)
captcha_errors = verify_rs.get('error-codes', [])
if not isinstance(captcha_errors, list):
captcha_errors = [captcha_errors]
captcha_errors = ', '.join(captcha_errors)
captcha_message = ''
if captcha_status is False:
captcha_message = "Bad captcha. Errors: {}".format(
captcha_errors)
return captcha_status, captcha_message
@view_config(
route_name='login', request_method='GET',
renderer='rhodecode:templates/login.mako')
def login(self):
c = self.load_default_context()
auth_user = self._rhodecode_user
# redirect if already logged in
if (auth_user.is_authenticated and
not auth_user.is_default and auth_user.ip_allowed):
raise HTTPFound(c.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(c.came_from, headers=headers)
except UserCreationError as e:
log.error(e)
h.flash(e, category='error')
return self._get_template_context(c)
@view_config(
route_name='login', request_method='POST',
renderer='rhodecode:templates/login.mako')
def login_post(self):
c = self.load_default_context()
login_form = LoginForm(self.request.translate)()
try:
self.session.invalidate()
form_result = login_form.to_python(self.request.POST)
# 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.', c.came_from)
audit_user = audit_logger.UserWrap(
username=self.request.POST.get('username'),
ip_addr=self.request.remote_addr)
action_data = {'user_agent': self.request.user_agent}
audit_logger.store_web(
'user.login.success', action_data=action_data,
user=audit_user, commit=True)
raise HTTPFound(c.came_from, headers=headers)
except formencode.Invalid as errors:
defaults = errors.value
# remove password from filling in form again
defaults.pop('password', None)
render_ctx = {
'errors': errors.error_dict,
'defaults': defaults,
}
audit_user = audit_logger.UserWrap(
username=self.request.POST.get('username'),
ip_addr=self.request.remote_addr)
action_data = {'user_agent': self.request.user_agent}
audit_logger.store_web(
'user.login.failure', action_data=action_data,
user=audit_user, commit=True)
return self._get_template_context(c, **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
h.flash(e, category='error')
return self._get_template_context(c)
@CSRFRequired()
@view_config(route_name='logout', request_method='POST')
def logout(self):
auth_user = self._rhodecode_user
log.info('Deleting session for user: `%s`', auth_user)
action_data = {'user_agent': self.request.user_agent}
audit_logger.store_web(
'user.logout', action_data=action_data,
user=auth_user, commit=True)
self.session.delete()
return HTTPFound(h.route_path('home'))
@HasPermissionAnyDecorator(
'hg.admin', 'hg.register.auto_activate', 'hg.register.manual_activate')
@view_config(
route_name='register', request_method='GET',
renderer='rhodecode:templates/register.mako',)
def register(self, defaults=None, errors=None):
c = self.load_default_context()
defaults = defaults or {}
errors = errors or {}
settings = SettingsModel().get_all_settings()
register_message = settings.get('rhodecode_register_message') or ''
captcha = self._get_captcha_data()
auto_active = 'hg.register.auto_activate' in User.get_default_user()\
.AuthUser().permissions['global']
render_ctx = self._get_template_context(c)
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.mako')
def register_post(self):
self.load_default_context()
captcha = self._get_captcha_data()
auto_active = 'hg.register.auto_activate' in User.get_default_user()\
.AuthUser().permissions['global']
register_form = RegisterForm(self.request.translate)()
try:
form_result = register_form.to_python(self.request.POST)
form_result['active'] = auto_active
if captcha.active:
captcha_status, captcha_message = self.validate_captcha(
captcha.private_key)
if not captcha_status:
_value = form_result
_msg = _('Bad captcha')
error_dict = {'recaptcha_field': captcha_message}
raise formencode.Invalid(
_msg, _value, None, error_dict=error_dict)
new_user = UserModel().create_registration(form_result)
action_data = {'data': new_user.get_api_data(),
'user_agent': self.request.user_agent}
audit_user = audit_logger.UserWrap(
username=new_user.username,
user_id=new_user.user_id,
ip_addr=self.request.remote_addr)
audit_logger.store_web(
'user.register', action_data=action_data,
user=audit_user)
event = UserRegistered(user=new_user, session=self.session)
trigger(event)
h.flash(
_('You have successfully registered with RhodeCode'),
category='success')
Session().commit()
redirect_ro = self.request.route_path('login')
raise HTTPFound(redirect_ro)
except formencode.Invalid as errors:
errors.value.pop('password', None)
errors.value.pop('password_confirmation', None)
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
h.flash(e, category='error')
return self.register()
@view_config(
route_name='reset_password', request_method=('GET', 'POST'),
renderer='rhodecode:templates/password_reset.mako')
def password_reset(self):
c = self.load_default_context()
captcha = self._get_captcha_data()
template_context = {
'captcha_active': captcha.active,
'captcha_public_key': captcha.public_key,
'defaults': {},
'errors': {},
}
# always send implicit message to prevent from discovery of
# matching emails
msg = _('If such email exists, a password reset link was sent to it.')
if self.request.POST:
if h.HasPermissionAny('hg.password_reset.disabled')():
_email = self.request.POST.get('email', '')
log.error('Failed attempt to reset password for `%s`.', _email)
h.flash(_('Password reset has been disabled.'),
category='error')
return HTTPFound(self.request.route_path('reset_password'))
password_reset_form = PasswordResetForm(self.request.translate)()
try:
form_result = password_reset_form.to_python(
self.request.POST)
user_email = form_result['email']
if captcha.active:
captcha_status, captcha_message = self.validate_captcha(
captcha.private_key)
if not captcha_status:
_value = form_result
_msg = _('Bad captcha')
error_dict = {'recaptcha_field': captcha_message}
raise formencode.Invalid(
_msg, _value, None, error_dict=error_dict)
# Generate reset URL and send mail.
user = User.get_by_email(user_email)
# generate password reset token that expires in 10 minutes
description = u'Generated token for password reset from {}'.format(
datetime.datetime.now().isoformat())
reset_token = UserModel().add_auth_token(
user=user, lifetime_minutes=10,
role=UserModel.auth_token_role.ROLE_PASSWORD_RESET,
description=description)
Session().commit()
log.debug('Successfully created password recovery token')
password_reset_url = self.request.route_url(
'reset_password_confirmation',
_query={'key': reset_token.api_key})
UserModel().reset_password_link(
form_result, password_reset_url)
# Display success message and redirect.
h.flash(msg, category='success')
action_data = {'email': user_email,
'user_agent': self.request.user_agent}
audit_logger.store_web(
'user.password.reset_request', action_data=action_data,
user=self._rhodecode_user, commit=True)
return HTTPFound(self.request.route_path('reset_password'))
except formencode.Invalid as errors:
template_context.update({
'defaults': errors.value,
'errors': errors.error_dict,
})
if not self.request.POST.get('email'):
# case of empty email, we want to report that
return self._get_template_context(c, **template_context)
if 'recaptcha_field' in errors.error_dict:
# case of failed captcha
return self._get_template_context(c, **template_context)
log.debug('faking response on invalid password reset')
# make this take 2s, to prevent brute forcing.
time.sleep(2)
h.flash(msg, category='success')
return HTTPFound(self.request.route_path('reset_password'))
return self._get_template_context(c, **template_context)
@view_config(route_name='reset_password_confirmation',
request_method='GET')
def password_reset_confirmation(self):
self.load_default_context()
if self.request.GET and self.request.GET.get('key'):
# make this take 2s, to prevent brute forcing.
time.sleep(2)
token = AuthTokenModel().get_auth_token(
self.request.GET.get('key'))
# verify token is the correct role
if token is None or token.role != UserApiKeys.ROLE_PASSWORD_RESET:
log.debug('Got token with role:%s expected is %s',
getattr(token, 'role', 'EMPTY_TOKEN'),
UserApiKeys.ROLE_PASSWORD_RESET)
h.flash(
_('Given reset token is invalid'), category='error')
return HTTPFound(self.request.route_path('reset_password'))
try:
owner = token.user
data = {'email': owner.email, 'token': token.api_key}
UserModel().reset_password(data)
h.flash(
_('Your password reset was successful, '
'a new password has been sent to your email'),
category='success')
except Exception as e:
log.error(e)
return HTTPFound(self.request.route_path('reset_password'))
return HTTPFound(self.request.route_path('login'))