jc
/
odoo16


			
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							# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
import base64
import functools
import json
import logging
import os

import werkzeug.urls
import werkzeug.utils
from werkzeug.exceptions import BadRequest

from odoo import api, http, SUPERUSER_ID, _
from odoo.exceptions import AccessDenied
from odoo.http import request, Response
from odoo import registry as registry_get
from odoo.tools.misc import clean_context

from odoo.addons.auth_signup.controllers.main import AuthSignupHome as Home
from odoo.addons.web.controllers.utils import ensure_db, _get_login_redirect_url


_logger = logging.getLogger(__name__)


#----------------------------------------------------------
# helpers
#----------------------------------------------------------
def fragment_to_query_string(func):
    @functools.wraps(func)
    def wrapper(self, *a, **kw):
        kw.pop('debug', False)
        if not kw:
            return Response("""<html><head><script>
                var l = window.location;
                var q = l.hash.substring(1);
                var r = l.pathname + l.search;
                if(q.length !== 0) {
                    var s = l.search ? (l.search === '?' ? '' : '&') : '?';
                    r = l.pathname + l.search + s + q;
                }
                if (r == l.pathname) {
                    r = '/';
                }
                window.location = r;
            </script></head><body></body></html>""")
        return func(self, *a, **kw)
    return wrapper


#----------------------------------------------------------
# Controller
#----------------------------------------------------------
class OAuthLogin(Home):
    def list_providers(self):
        try:
            providers = request.env['auth.oauth.provider'].sudo().search_read([('enabled', '=', True)])
        except Exception:
            providers = []
        for provider in providers:
            return_url = request.httprequest.url_root + 'auth_oauth/signin'
            state = self.get_state(provider)
            params = dict(
                response_type='token',
                client_id=provider['client_id'],
                redirect_uri=return_url,
                scope=provider['scope'],
                state=json.dumps(state),
                # nonce=base64.urlsafe_b64encode(os.urandom(16)),
            )
            provider['auth_link'] = "%s?%s" % (provider['auth_endpoint'], werkzeug.urls.url_encode(params))
        return providers

    def get_state(self, provider):
        redirect = request.params.get('redirect') or 'web'
        if not redirect.startswith(('//', 'http://', 'https://')):
            redirect = '%s%s' % (request.httprequest.url_root, redirect[1:] if redirect[0] == '/' else redirect)
        state = dict(
            d=request.session.db,
            p=provider['id'],
            r=werkzeug.urls.url_quote_plus(redirect),
        )
        token = request.params.get('token')
        if token:
            state['t'] = token
        return state

    @http.route()
    def web_login(self, *args, **kw):
        ensure_db()
        if request.httprequest.method == 'GET' and request.session.uid and request.params.get('redirect'):
            # Redirect if already logged in and redirect param is present
            return request.redirect(request.params.get('redirect'))
        providers = self.list_providers()

        response = super(OAuthLogin, self).web_login(*args, **kw)
        if response.is_qweb:
            error = request.params.get('oauth_error')
            if error == '1':
                error = _("Sign up is not allowed on this database.")
            elif error == '2':
                error = _("Access Denied")
            elif error == '3':
                error = _("You do not have access to this database or your invitation has expired. Please ask for an invitation and be sure to follow the link in your invitation email.")
            else:
                error = None

            response.qcontext['providers'] = providers
            if error:
                response.qcontext['error'] = error

        return response

    def get_auth_signup_qcontext(self):
        result = super(OAuthLogin, self).get_auth_signup_qcontext()
        result["providers"] = self.list_providers()
        return result


class OAuthController(http.Controller):

    @http.route('/auth_oauth/signin', type='http', auth='none')
    @fragment_to_query_string
    def signin(self, **kw):
        state = json.loads(kw['state'])

        # make sure request.session.db and state['d'] are the same,
        # update the session and retry the request otherwise
        dbname = state['d']
        if not http.db_filter([dbname]):
            return BadRequest()
        ensure_db(db=dbname)

        provider = state['p']
        request.update_context(**clean_context(state.get('c', {})))
        try:
            # auth_oauth may create a new user, the commit makes it
            # visible to authenticate()'s own transaction below
            _, login, key = request.env['res.users'].with_user(SUPERUSER_ID).auth_oauth(provider, kw)
            request.env.cr.commit()

            action = state.get('a')
            menu = state.get('m')
            redirect = werkzeug.urls.url_unquote_plus(state['r']) if state.get('r') else False
            url = '/web'
            if redirect:
                url = redirect
            elif action:
                url = '/web#action=%s' % action
            elif menu:
                url = '/web#menu_id=%s' % menu

            pre_uid = request.session.authenticate(dbname, login, key)
            resp = request.redirect(_get_login_redirect_url(pre_uid, url), 303)
            resp.autocorrect_location_header = False

            # Since /web is hardcoded, verify user has right to land on it
            if werkzeug.urls.url_parse(resp.location).path == '/web' and not request.env.user._is_internal():
                resp.location = '/'
            return resp
        except AttributeError:  # TODO juc master: useless since ensure_db()
            # auth_signup is not installed
            _logger.error("auth_signup not installed on database %s: oauth sign up cancelled.", dbname)
            url = "/web/login?oauth_error=1"
        except AccessDenied:
            # oauth credentials not valid, user could be on a temporary session
            _logger.info('OAuth2: access denied, redirect to main page in case a valid session exists, without setting cookies')
            url = "/web/login?oauth_error=3"
        except Exception:
            # signup error
            _logger.exception("Exception during request handling")
            url = "/web/login?oauth_error=2"

        redirect = request.redirect(url, 303)
        redirect.autocorrect_location_header = False
        return redirect

    @http.route('/auth_oauth/oea', type='http', auth='none')
    def oea(self, **kw):
        """login user via Odoo Account provider"""
        dbname = kw.pop('db', None)
        if not dbname:
            dbname = request.db
        if not dbname:
            raise BadRequest()
        if not http.db_filter([dbname]):
            raise BadRequest()

        registry = registry_get(dbname)
        with registry.cursor() as cr:
            try:
                env = api.Environment(cr, SUPERUSER_ID, {})
                provider = env.ref('auth_oauth.provider_openerp')
            except ValueError:
                redirect = request.redirect(f'/web?db={dbname}', 303)
                redirect.autocorrect_location_header = False
                return redirect
            assert provider._name == 'auth.oauth.provider'

        state = {
            'd': dbname,
            'p': provider.id,
            'c': {'no_user_creation': True},
        }

        kw['state'] = json.dumps(state)
        return self.signin(**kw)