vertical-cooperative/website_recaptcha_reloaded/website.py

# Copyright 2019 Simone Orsi - Camptocamp SA
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).

from odoo import api, fields, models, _
from odoo.exceptions import ValidationError
import requests

URL = 'https://www.google.com/recaptcha/api/siteverify'


class Website(models.Model):
    _inherit = 'website'

    recaptcha_key_site = fields.Char()
    recaptcha_key_secret = fields.Char()

    @api.model
    def _get_error_message(self, errorcode=None):
        mapping = {
            'missing-input-secret': _('The secret parameter is missing.'),
            'invalid-input-secret':
                _('The secret parameter is invalid or malformed.'),
            'missing-input-response': _('The response parameter is missing.'),
            'invalid-input-response':
                _('The response parameter is invalid or malformed.'),
        }
        return mapping.get(errorcode, _('There was a problem with '
                                        'the captcha entry.'))

    def is_captcha_valid(self, response):
        get_res = {'secret': self.recaptcha_key_secret,
                   'response': response}

        res = requests.post(URL, data=get_res).json()

        error_msg = "\n".join(self._get_error_message(error)
                              for error in res.get('error-codes', []))
        if error_msg:
            raise ValidationError(error_msg)

        if not res.get('success'):
            raise ValidationError(self._get_error_message())
        return True