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# -*- coding: utf-8 -*-
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# Copyright (C) 2016-2017 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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import time
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import collections
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import datetime
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import formencode
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import formencode.htmlfill
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import logging
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import urlparse
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from pyramid.httpexceptions import HTTPFound
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from pyramid.view import view_config
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from recaptcha.client.captcha import submit
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from rhodecode.apps._base import BaseAppView
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from rhodecode.authentication.base import authenticate, HTTP_TYPE
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from rhodecode.events import UserRegistered, trigger
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from rhodecode.lib import helpers as h
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from rhodecode.lib import audit_logger
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from rhodecode.lib.auth import (
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AuthUser, HasPermissionAnyDecorator, CSRFRequired)
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from rhodecode.lib.base import get_ip_addr
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from rhodecode.lib.exceptions import UserCreationError
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from rhodecode.lib.utils2 import safe_str
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from rhodecode.model.db import User, UserApiKeys
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from rhodecode.model.forms import LoginForm, RegisterForm, PasswordResetForm
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from rhodecode.model.meta import Session
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from rhodecode.model.auth_token import AuthTokenModel
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from rhodecode.model.settings import SettingsModel
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from rhodecode.model.user import UserModel
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from rhodecode.translation import _
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log = logging.getLogger(__name__)
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CaptchaData = collections.namedtuple(
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'CaptchaData', 'active, private_key, public_key')
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def _store_user_in_session(session, username, remember=False):
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user = User.get_by_username(username, case_insensitive=True)
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auth_user = AuthUser(user.user_id)
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auth_user.set_authenticated()
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cs = auth_user.get_cookie_store()
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session['rhodecode_user'] = cs
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user.update_lastlogin()
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Session().commit()
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# If they want to be remembered, update the cookie
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if remember:
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_year = (datetime.datetime.now() +
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datetime.timedelta(seconds=60 * 60 * 24 * 365))
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session._set_cookie_expires(_year)
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session.save()
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safe_cs = cs.copy()
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safe_cs['password'] = '****'
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log.info('user %s is now authenticated and stored in '
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'session, session attrs %s', username, safe_cs)
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# dumps session attrs back to cookie
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session._update_cookie_out()
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# we set new cookie
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headers = None
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if session.request['set_cookie']:
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# send set-cookie headers back to response to update cookie
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headers = [('Set-Cookie', session.request['cookie_out'])]
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return headers
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def get_came_from(request):
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came_from = safe_str(request.GET.get('came_from', ''))
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parsed = urlparse.urlparse(came_from)
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allowed_schemes = ['http', 'https']
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default_came_from = h.route_path('home')
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if parsed.scheme and parsed.scheme not in allowed_schemes:
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log.error('Suspicious URL scheme detected %s for url %s' %
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(parsed.scheme, parsed))
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came_from = default_came_from
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elif parsed.netloc and request.host != parsed.netloc:
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log.error('Suspicious NETLOC detected %s for url %s server url '
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'is: %s' % (parsed.netloc, parsed, request.host))
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came_from = default_came_from
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elif any(bad_str in parsed.path for bad_str in ('\r', '\n')):
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log.error('Header injection detected `%s` for url %s server url ' %
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(parsed.path, parsed))
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came_from = default_came_from
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return came_from or default_came_from
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class LoginView(BaseAppView):
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def load_default_context(self):
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c = self._get_local_tmpl_context()
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c.came_from = get_came_from(self.request)
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return c
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def _get_captcha_data(self):
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settings = SettingsModel().get_all_settings()
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private_key = settings.get('rhodecode_captcha_private_key')
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public_key = settings.get('rhodecode_captcha_public_key')
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active = bool(private_key)
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return CaptchaData(
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active=active, private_key=private_key, public_key=public_key)
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@view_config(
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route_name='login', request_method='GET',
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renderer='rhodecode:templates/login.mako')
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def login(self):
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c = self.load_default_context()
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auth_user = self._rhodecode_user
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# redirect if already logged in
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if (auth_user.is_authenticated and
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not auth_user.is_default and auth_user.ip_allowed):
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raise HTTPFound(c.came_from)
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# check if we use headers plugin, and try to login using it.
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try:
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log.debug('Running PRE-AUTH for headers based authentication')
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auth_info = authenticate(
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'', '', self.request.environ, HTTP_TYPE, skip_missing=True)
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if auth_info:
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headers = _store_user_in_session(
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self.session, auth_info.get('username'))
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raise HTTPFound(c.came_from, headers=headers)
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except UserCreationError as e:
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log.error(e)
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h.flash(e, category='error')
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return self._get_template_context(c)
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@view_config(
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route_name='login', request_method='POST',
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renderer='rhodecode:templates/login.mako')
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def login_post(self):
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c = self.load_default_context()
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login_form = LoginForm(self.request.translate)()
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try:
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self.session.invalidate()
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form_result = login_form.to_python(self.request.POST)
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# form checks for username/password, now we're authenticated
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headers = _store_user_in_session(
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self.session,
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username=form_result['username'],
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remember=form_result['remember'])
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log.debug('Redirecting to "%s" after login.', c.came_from)
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audit_user = audit_logger.UserWrap(
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username=self.request.POST.get('username'),
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ip_addr=self.request.remote_addr)
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action_data = {'user_agent': self.request.user_agent}
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audit_logger.store_web(
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'user.login.success', action_data=action_data,
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user=audit_user, commit=True)
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raise HTTPFound(c.came_from, headers=headers)
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except formencode.Invalid as errors:
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defaults = errors.value
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# remove password from filling in form again
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defaults.pop('password', None)
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render_ctx = {
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'errors': errors.error_dict,
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'defaults': defaults,
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}
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audit_user = audit_logger.UserWrap(
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username=self.request.POST.get('username'),
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ip_addr=self.request.remote_addr)
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action_data = {'user_agent': self.request.user_agent}
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audit_logger.store_web(
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'user.login.failure', action_data=action_data,
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user=audit_user, commit=True)
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return self._get_template_context(c, **render_ctx)
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except UserCreationError as e:
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# headers auth or other auth functions that create users on
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# the fly can throw this exception signaling that there's issue
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# with user creation, explanation should be provided in
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# Exception itself
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h.flash(e, category='error')
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return self._get_template_context(c)
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@CSRFRequired()
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@view_config(route_name='logout', request_method='POST')
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def logout(self):
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auth_user = self._rhodecode_user
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log.info('Deleting session for user: `%s`', auth_user)
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action_data = {'user_agent': self.request.user_agent}
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audit_logger.store_web(
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'user.logout', action_data=action_data,
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user=auth_user, commit=True)
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self.session.delete()
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return HTTPFound(h.route_path('home'))
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@HasPermissionAnyDecorator(
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'hg.admin', 'hg.register.auto_activate', 'hg.register.manual_activate')
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@view_config(
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route_name='register', request_method='GET',
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renderer='rhodecode:templates/register.mako',)
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def register(self, defaults=None, errors=None):
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c = self.load_default_context()
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defaults = defaults or {}
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errors = errors or {}
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settings = SettingsModel().get_all_settings()
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register_message = settings.get('rhodecode_register_message') or ''
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captcha = self._get_captcha_data()
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auto_active = 'hg.register.auto_activate' in User.get_default_user()\
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.AuthUser().permissions['global']
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render_ctx = self._get_template_context(c)
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render_ctx.update({
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'defaults': defaults,
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'errors': errors,
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'auto_active': auto_active,
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'captcha_active': captcha.active,
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'captcha_public_key': captcha.public_key,
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'register_message': register_message,
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})
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return render_ctx
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@HasPermissionAnyDecorator(
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'hg.admin', 'hg.register.auto_activate', 'hg.register.manual_activate')
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@view_config(
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route_name='register', request_method='POST',
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renderer='rhodecode:templates/register.mako')
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def register_post(self):
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self.load_default_context()
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captcha = self._get_captcha_data()
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auto_active = 'hg.register.auto_activate' in User.get_default_user()\
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.AuthUser().permissions['global']
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register_form = RegisterForm(self.request.translate)()
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try:
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form_result = register_form.to_python(self.request.POST)
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form_result['active'] = auto_active
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if captcha.active:
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response = submit(
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self.request.POST.get('recaptcha_challenge_field'),
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self.request.POST.get('recaptcha_response_field'),
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private_key=captcha.private_key,
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remoteip=get_ip_addr(self.request.environ))
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if not response.is_valid:
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_value = form_result
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_msg = _('Bad captcha')
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error_dict = {'recaptcha_field': _msg}
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raise formencode.Invalid(_msg, _value, None,
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error_dict=error_dict)
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new_user = UserModel().create_registration(form_result)
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event = UserRegistered(user=new_user, session=self.session)
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trigger(event)
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h.flash(
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_('You have successfully registered with RhodeCode'),
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category='success')
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Session().commit()
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redirect_ro = self.request.route_path('login')
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raise HTTPFound(redirect_ro)
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except formencode.Invalid as errors:
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errors.value.pop('password', None)
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errors.value.pop('password_confirmation', None)
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return self.register(
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defaults=errors.value, errors=errors.error_dict)
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except UserCreationError as e:
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# container auth or other auth functions that create users on
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# the fly can throw this exception signaling that there's issue
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# with user creation, explanation should be provided in
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# Exception itself
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h.flash(e, category='error')
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return self.register()
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@view_config(
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route_name='reset_password', request_method=('GET', 'POST'),
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renderer='rhodecode:templates/password_reset.mako')
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def password_reset(self):
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c = self.load_default_context()
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captcha = self._get_captcha_data()
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template_context = {
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'captcha_active': captcha.active,
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'captcha_public_key': captcha.public_key,
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'defaults': {},
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'errors': {},
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}
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# always send implicit message to prevent from discovery of
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# matching emails
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msg = _('If such email exists, a password reset link was sent to it.')
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if self.request.POST:
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if h.HasPermissionAny('hg.password_reset.disabled')():
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_email = self.request.POST.get('email', '')
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log.error('Failed attempt to reset password for `%s`.', _email)
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h.flash(_('Password reset has been disabled.'),
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category='error')
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return HTTPFound(self.request.route_path('reset_password'))
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password_reset_form = PasswordResetForm(self.request.translate)()
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try:
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form_result = password_reset_form.to_python(
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self.request.POST)
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user_email = form_result['email']
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if captcha.active:
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response = submit(
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self.request.POST.get('recaptcha_challenge_field'),
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self.request.POST.get('recaptcha_response_field'),
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private_key=captcha.private_key,
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remoteip=get_ip_addr(self.request.environ))
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if not response.is_valid:
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_value = form_result
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_msg = _('Bad captcha')
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error_dict = {'recaptcha_field': _msg}
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raise formencode.Invalid(
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_msg, _value, None, error_dict=error_dict)
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# Generate reset URL and send mail.
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user = User.get_by_email(user_email)
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# generate password reset token that expires in 10minutes
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desc = 'Generated token for password reset from {}'.format(
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datetime.datetime.now().isoformat())
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reset_token = AuthTokenModel().create(
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user, lifetime=10,
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description=desc,
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role=UserApiKeys.ROLE_PASSWORD_RESET)
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Session().commit()
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log.debug('Successfully created password recovery token')
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password_reset_url = self.request.route_url(
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'reset_password_confirmation',
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_query={'key': reset_token.api_key})
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UserModel().reset_password_link(
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form_result, password_reset_url)
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# Display success message and redirect.
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h.flash(msg, category='success')
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action_data = {'email': user_email,
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'user_agent': self.request.user_agent}
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audit_logger.store_web(
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'user.password.reset_request', action_data=action_data,
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user=self._rhodecode_user, commit=True)
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return HTTPFound(self.request.route_path('reset_password'))
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except formencode.Invalid as errors:
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template_context.update({
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'defaults': errors.value,
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'errors': errors.error_dict,
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})
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if not self.request.POST.get('email'):
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# case of empty email, we want to report that
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return self._get_template_context(c, **template_context)
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if 'recaptcha_field' in errors.error_dict:
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# case of failed captcha
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return self._get_template_context(c, **template_context)
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log.debug('faking response on invalid password reset')
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# make this take 2s, to prevent brute forcing.
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time.sleep(2)
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h.flash(msg, category='success')
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return HTTPFound(self.request.route_path('reset_password'))
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return self._get_template_context(c, **template_context)
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@view_config(route_name='reset_password_confirmation',
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request_method='GET')
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def password_reset_confirmation(self):
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self.load_default_context()
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if self.request.GET and self.request.GET.get('key'):
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# make this take 2s, to prevent brute forcing.
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time.sleep(2)
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token = AuthTokenModel().get_auth_token(
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self.request.GET.get('key'))
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# verify token is the correct role
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if token is None or token.role != UserApiKeys.ROLE_PASSWORD_RESET:
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log.debug('Got token with role:%s expected is %s',
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getattr(token, 'role', 'EMPTY_TOKEN'),
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UserApiKeys.ROLE_PASSWORD_RESET)
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h.flash(
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_('Given reset token is invalid'), category='error')
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return HTTPFound(self.request.route_path('reset_password'))
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|
|
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'))
|
|
|
|