@app2one/react-native-recaptcha-that-works

reCAPTCHA for React Native (Android and iOS)

A reCAPTCHA library for React Native (Android and iOS) that works.

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Install

Install the module

  yarn add react-native-recaptcha-that-works react-native-webview

Or

  npm i -S react-native-recaptcha-that-works react-native-webview

See the react-native-webview Getting Started Guide.

Usage

With JavaScript:

import React, { useRef } from 'react';
import { View, Button } from 'react-native';

import Recaptcha from 'react-native-recaptcha-that-works';

const App = () => {
    const recaptcha = useRef();

    const send = () => {
        console.log('send!');
        this.recaptcha.current.open();
    }

    const onVerify = token => {
        console.log('success!', token);
    }

    const onExpire = () => {
        console.warn('expired!');
    }

    return (
        <View>
            <Recaptcha
                ref={recaptcha}
                siteKey="<your-recaptcha-public-key>"
                baseUrl="http://my.domain.com"
                onVerify={onVerify}
                onExpire={onExpire}
                size="invisible"
            />
            <Button title="Send" onPress={send} />
        </View>
    );
}

Or with TypeScript:

import React, { useRef } from 'react';
import { View, Button } from 'react-native';

import Recaptcha, { RecaptchaHandles } from "react-native-recaptcha-that-works";

// ...

export const Component: React.FC = () => {
    const recaptcha = useRef<RecaptchaHandles>();

    const send = () => {
        console.log('send!');
        recaptcha.current?.open();
    };

    const onVerify = (token: string) => {
        console.log('success!', token);
    };

    const onExpire = () => {
        console.warn('expired!');
    }

    return (
        <View>
            <Recaptcha
                ref={recaptcha}
                siteKey="<your-recaptcha-public-key>"
                baseUrl="http://my.domain.com"
                onVerify={onVerify}
                onExpire={onExpire}
                size="invisible"
            />
            <Button title="Send" onPress={send} />
        </View>
    );
};

For more details, see the Sample Project or try the Online demo.

Props

Name	Value	Default	Description
lang	string		Language code.
siteKey	string		Your sitekey.
baseUrl	string		The URL (domain) configured in the reCAPTCHA setup. (ex. http://my.domain.com)
headerComponent	React Element		A component to render on top of Modal.
size	'invisible', 'normal' or 'compact'	'normal'	The size of the widget.
theme	'dark' or 'light'	'light'	The color theme of the widget.
onLoad	function()		A callback function, executed when the reCAPTCHA is ready to use.
onVerify	function(token)		A callback function, executed when the user submits a successful response. The recaptcha response token is passed to your callback.
onExpire	function()		A callback function, executed when the reCAPTCHA response expires and the user needs to re-verify.
onError	function(error)		A callback function, executed when reCAPTCHA encounters an error (usually network connectivity) and cannot continue until connectivity is restored. If you specify a function here, you are responsible for informing the user that they should retry.
onClose	function()		A callback function, executed when the Modal is closed.

Note: If lang is not set, then device language is used.

Methods

Name	Type	Description
open	function	Open the reCAPTCHA Modal.
close	function	Close the reCAPTCHA Modal.

Note: If using size="invisible", then challange run automatically when open is called.

reCAPTCHA v2 docs

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Contribute

New features, bug fixes and improvements are welcome! For questions and suggestions use the issues.

Licence

The MIT License (MIT)

Copyright (c) 2020 Douglas Nassif Roma Junior

See the full licence file.