@bitblit/ratchet-common/lib/third-party/google/google-recaptcha-ratchet.js

Common tools for general use

import { Logger } from '../../logger/logger.js';
import { StringRatchet } from '../../lang/string-ratchet.js';
import fetch from 'cross-fetch';
export class GoogleRecaptchaRatchet {
    static GOOGLE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify?secret=${KEY}&response=${TOKEN}';
    static async verifyRecaptchaToken(keySecret, token, fetchFn = fetch) {
        Logger.debug('Verifying recaptcha token : %s', token);
        let rval = null;
        if (!StringRatchet.safeString(token)) {
            Logger.warn('Recaptcha validation error, no token passed : %s', token);
            return rval;
        }
        Logger.info('Validating Recaptcha via Google API : %s', token);
        const url = StringRatchet.simpleTemplateFill(GoogleRecaptchaRatchet.GOOGLE_VERIFY_URL, { KEY: keySecret, TOKEN: token }, true);
        try {
            const resp = await fetchFn(url);
            const body = await resp.json();
            rval = body && body.success;
        }
        catch (err) {
            Logger.error('Failed to read from google : %s', err);
            rval = false;
        }
        return rval;
    }
}
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