201 lines
9.2 KiB
Python
201 lines
9.2 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
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from datetime import datetime
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import json
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import logging
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import requests
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from werkzeug import urls
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from flectra import api, fields, models, registry, _
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from flectra.exceptions import UserError
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from flectra.http import request
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_logger = logging.getLogger(__name__)
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TIMEOUT = 20
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GOOGLE_AUTH_ENDPOINT = 'https://accounts.google.com/o/oauth2/auth'
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GOOGLE_TOKEN_ENDPOINT = 'https://accounts.google.com/o/oauth2/token'
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GOOGLE_API_BASE_URL = 'https://www.googleapis.com'
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# FIXME : this needs to become an AbstractModel, to be inhereted by google_calendar_service and google_drive_service
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class GoogleService(models.TransientModel):
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_name = 'google.service'
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@api.model
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def generate_refresh_token(self, service, authorization_code):
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""" Call Google API to refresh the token, with the given authorization code
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:param service : the name of the google service to actualize
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:param authorization_code : the code to exchange against the new refresh token
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:returns the new refresh token
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"""
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Parameters = self.env['ir.config_parameter'].sudo()
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client_id = Parameters.get_param('google_%s_client_id' % service)
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client_secret = Parameters.get_param('google_%s_client_secret' % service)
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redirect_uri = Parameters.get_param('google_redirect_uri')
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# Get the Refresh Token From Google And store it in ir.config_parameter
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headers = {"Content-type": "application/x-www-form-urlencoded"}
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data = {
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'code': authorization_code,
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'client_id': client_id,
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'client_secret': client_secret,
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'redirect_uri': redirect_uri,
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'grant_type': "authorization_code"
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}
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try:
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req = requests.post(GOOGLE_TOKEN_ENDPOINT, data=data, headers=headers, timeout=TIMEOUT)
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req.raise_for_status()
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content = req.json()
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except IOError:
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error_msg = _("Something went wrong during your token generation. Maybe your Authorization Code is invalid or already expired")
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raise self.env['res.config.settings'].get_config_warning(error_msg)
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return content.get('refresh_token')
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@api.model
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def _get_google_token_uri(self, service, scope):
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get_param = self.env['ir.config_parameter'].sudo().get_param
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encoded_params = urls.url_encode({
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'scope': scope,
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'redirect_uri': get_param('google_redirect_uri'),
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'client_id': get_param('google_%s_client_id' % service),
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'response_type': 'code',
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})
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return '%s?%s' % (GOOGLE_AUTH_ENDPOINT, encoded_params)
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@api.model
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def _get_authorize_uri(self, from_url, service, scope=False):
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""" This method return the url needed to allow this instance of Flectra to access to the scope
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of gmail specified as parameters
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"""
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state = {
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'd': self.env.cr.dbname,
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's': service,
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'f': from_url
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}
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get_param = self.env['ir.config_parameter'].sudo().get_param
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base_url = get_param('web.base.url',
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default='http://www.flectrahq.com?NoBaseUrl')
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client_id = get_param('google_%s_client_id' % (service,), default=False)
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encoded_params = urls.url_encode({
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'response_type': 'code',
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'client_id': client_id,
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'state': json.dumps(state),
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'scope': scope or '%s/auth/%s' % (GOOGLE_API_BASE_URL, service), # If no scope is passed, we use service by default to get a default scope
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'redirect_uri': base_url + '/google_account/authentication',
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'approval_prompt': 'force',
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'access_type': 'offline'
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})
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return "%s?%s" % (GOOGLE_AUTH_ENDPOINT, encoded_params)
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@api.model
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def _get_google_token_json(self, authorize_code, service):
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""" Call Google API to exchange authorization code against token, with POST request, to
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not be redirected.
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"""
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get_param = self.env['ir.config_parameter'].sudo().get_param
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base_url = get_param('web.base.url',
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default='http://www.flectrahq.com?NoBaseUrl')
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client_id = get_param('google_%s_client_id' % (service,), default=False)
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client_secret = get_param('google_%s_client_secret' % (service,), default=False)
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headers = {"content-type": "application/x-www-form-urlencoded"}
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data = {
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'code': authorize_code,
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'client_id': client_id,
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'client_secret': client_secret,
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'grant_type': 'authorization_code',
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'redirect_uri': base_url + '/google_account/authentication'
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}
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try:
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dummy, response, dummy = self._do_request(GOOGLE_TOKEN_ENDPOINT, params=data, headers=headers, type='POST', preuri='')
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return response
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except requests.HTTPError:
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error_msg = _("Something went wrong during your token generation. Maybe your Authorization Code is invalid")
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raise self.env['res.config.settings'].get_config_warning(error_msg)
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# FIXME : this method update a field defined in google_calendar module. Since it is used only in that module, maybe it should be moved.
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@api.model
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def _refresh_google_token_json(self, refresh_token, service): # exchange_AUTHORIZATION vs Token (service = calendar)
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get_param = self.env['ir.config_parameter'].sudo().get_param
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client_id = get_param('google_%s_client_id' % (service,), default=False)
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client_secret = get_param('google_%s_client_secret' % (service,), default=False)
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if not client_id or not client_secret:
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raise UserError(_("The account for the Google service '%s' is not configured") % service)
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headers = {"content-type": "application/x-www-form-urlencoded"}
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data = {
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'refresh_token': refresh_token,
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'client_id': client_id,
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'client_secret': client_secret,
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'grant_type': 'refresh_token',
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}
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try:
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dummy, response, dummy = self._do_request(GOOGLE_TOKEN_ENDPOINT, params=data, headers=headers, type='POST', preuri='')
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return response
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except requests.HTTPError as error:
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if error.response.status_code == 400: # invalid grant
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with registry(request.session.db).cursor() as cur:
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self.env(cur)['res.users'].browse(self.env.uid).write({'google_%s_rtoken' % service: False})
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error_key = error.response.json().get("error", "nc")
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_logger.exception("Bad google request : %s !", error_key)
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error_msg = _("Something went wrong during your token generation. Maybe your Authorization Code is invalid or already expired [%s]") % error_key
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raise self.env['res.config.settings'].get_config_warning(error_msg)
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# TODO JEM : remove preuri param, and rename type into method
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@api.model
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def _do_request(self, uri, params={}, headers={}, type='POST', preuri="https://www.googleapis.com"):
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""" Execute the request to Google API. Return a tuple ('HTTP_CODE', 'HTTP_RESPONSE')
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:param uri : the url to contact
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:param params : dict or already encoded parameters for the request to make
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:param headers : headers of request
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:param type : the method to use to make the request
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:param preuri : pre url to prepend to param uri.
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"""
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_logger.debug("Uri: %s - Type : %s - Headers: %s - Params : %s !", (uri, type, headers, params))
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ask_time = fields.Datetime.now()
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try:
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if type.upper() in ('GET', 'DELETE'):
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res = requests.request(type.lower(), preuri + uri, params=params, timeout=TIMEOUT)
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elif type.upper() in ('POST', 'PATCH', 'PUT'):
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res = requests.request(type.lower(), preuri + uri, data=params, headers=headers, timeout=TIMEOUT)
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else:
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raise Exception(_('Method not supported [%s] not in [GET, POST, PUT, PATCH or DELETE]!') % (type))
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res.raise_for_status()
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status = res.status_code
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if int(status) in (204, 404): # Page not found, no response
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response = False
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else:
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response = res.json()
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try:
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ask_time = datetime.strptime(res.headers.get('date'), "%a, %d %b %Y %H:%M:%S %Z")
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except:
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pass
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except requests.HTTPError as error:
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if error.response.status_code in (204, 404):
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status = error.response.status_code
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response = ""
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else:
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_logger.exception("Bad google request : %s !", error.response.content)
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if error.response.status_code in (400, 401, 410):
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raise error
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raise self.env['res.config.settings'].get_config_warning(_("Something went wrong with your request to google"))
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return (status, response, ask_time)
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# TODO : remove me, it is only used in google calendar. Make google_calendar use the constants
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@api.model
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def get_client_id(self, service):
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return self.env['ir.config_parameter'].sudo().get_param('google_%s_client_id' % (service,), default=False)
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