react-native-recaptcha-enterprise/lib/module/index.js

Google Enterprise reCaptcha library for React-Native. Real native implementation for iOS and Android.

import { NativeModules, Platform } from 'react-native';
import { RecaptchaErrorCodes } from './types';
import { recaptchaErrorHandler } from './recaptchaErrorHandler';
const LINKING_ERROR = `The package 'react-native-recaptcha-enterprise' doesn't seem to be linked. Make sure: \n\n` + Platform.select({
  ios: "- You have run 'pod install'\n",
  default: ''
}) + '- You rebuilt the app after installing the package\n' + '- You are not using Expo Go\n';
const RecaptchaEnterprise = NativeModules.RecaptchaEnterprise ? NativeModules.RecaptchaEnterprise : new Proxy({}, {
  get() {
    throw new Error(LINKING_ERROR);
  }
});

/**
 * Checks that `Google ReCaptcha` is callable on native layer.
 * (It is called under the hood in {@link initializeRecaptcha} on native part.)
 *
 * It is not available in some cases:
 *  1. If module is not linked correctly.
 *   {Possible fix} - Try to re-install package and check it out again.
 *  2. If there is no `Google Play Services`. As library use them on Android platform.
 *  [Android only]
 *   {Possible fix} - Impossible! Ignore the library on such phones.
 *
 * @return boolean flag value
 * `TRUE` - captcha module is available;
 * `FALSE`- not available.
 */
export function canUseRecaptcha() {
  return RecaptchaEnterprise.canUseRecaptcha().catch(err => {
    const nativeError = recaptchaErrorHandler(err, false);
    console.error(`[Recaptcha Enterprise]: Could not be used as native module unavailable. It could be configuration issue
       ${Platform.select({
      android: ' or missing "Google Play Services" on Android platform.',
      default: '.'
    })}`, recaptchaErrorHandler(err, false));
    return {
      result: false,
      reason: nativeError.code
    };
  }).then(value => {
    return {
      result: value,
      reason: value ? undefined : RecaptchaErrorCodes.NotAvailable
    };
  });
}

/**
 * Initializes reCaptcha client with given siteKey
 *
 * @param {string} siteKey - Google Site Key
 *
 * @throws RecaptchaErrorType exception
 */
export function initializeRecaptcha(siteKey) {
  return RecaptchaEnterprise.initializeRecaptcha(siteKey).catch(recaptchaErrorHandler).then(() => Promise.resolve());
}

/**
 * Executes action and returns verify token.
 *
 * @param {string} actionName - Type of performed action. Predefined is "LOGIN" only.
 * All other actions will be handled as custom ones (with **"custom_"** prefix).
 *
 * @returns Returns ReCaptcha token to verify user on backend|REST|etc.
 * (in the end on Google server side)
 *
 * @throws RecaptchaErrorType exception
 */
export function executeAction(actionName) {
  return RecaptchaEnterprise.executeAction(actionName).catch(recaptchaErrorHandler).then(token => Promise.resolve(token));
}
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