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Invisible reCAPTCHA

Why Invisible reCAPTCHA?

Forked from albertcht/invisible-recaptcha

Invisible reCAPTCHA is an improved version of reCAPTCHA v2(no captcha). In reCAPTCHA v2, users need to click the button: "I'm not a robot" to prove they are human. In invisible reCAPTCHA, there will be not embed a captcha box for users to click. It's totally invisible! Only the badge will show on the buttom of the page to hint users that your website is using this technology. (The badge could be hidden, but not suggested.)

Notice

• The master branch doesn't support multi captchas feature, please use multi-forms branch if you need it. (Most of the time you are misusing recaptcha when you try to put multiple captchas in one page.)

Installation

Laravel 5

Setup

Add ServiceProvider to the providers array in app/config/app.php.

It also supports package discovery for Laravel 5.5.

Configuration

Before you set your config, remember to choose invisible reCAPTCHA while applying for keys.

Add INVISIBLE_RECAPTCHA_SITEKEY, INVISIBLE_RECAPTCHA_SECRETKEY to .env file.

There are three different captcha styles you can set: bottomright, bottomleft, inline

If you set INVISIBLE_RECAPTCHA_BADGEHIDE to true, you can hide the badge logo.

You can see the binding status of those catcha elements on browser console by setting INVISIBLE_RECAPTCHA_DEBUG as true.

Usage

Before you render the captcha, please keep those notices in mind:

• render() or renderHTML() function needs to be called within a form element.
• You have to ensure the type attribute of your submit button has to be submit.
• There can only be one submit button in your form.

Display reCAPTCHA in Your View

With custom language support:

Usage with Javascript frameworks like VueJS:

The render() process includes three distinct sections that can be rendered separately incase you're using the package with a framework like VueJS which throws console errors when <script> tags are included in templates.

You can render the polyfill (do this somewhere like the head of your HTML:)

You can render the HTML using this following, this needs to be INSIDE your <form> tag:

And you can render the neccessary <script> tags including the optional language support by using:

Validation

Add 'g-recaptcha-response' => 'required|captcha' to rules array.

CodeIgniter 3.x

set in application/config/config.php :

add lines in application/config/config.php :

In controller, use:

In view, in your form:

Then back in your controller you can verify it:

Without Laravel or CodeIgniter

Checkout example below:

Take Control of Submit Function

Use this function only when you need to take all control after clicking submit button. Recaptcha validation will not be triggered if you return false in this function.

Customize Submit Function

If you want to customize your submit function, for example: doing something after click the submit button or changing your submit to ajax call, etc.

The only thing you need to do is to implement _submitEvent in javascript

Here's an example to use an ajax submit (using jquery selector)

Example Repository

Repo: https://github.com/albertcht/invisible-recaptcha-example

This repo demonstrates how to use this package with ajax way.

Showcases

• Laravel Boilerplate

Credits

• anhskohbo (the author of no-captcha package)
• albertcht (the author of the original package)
• Contributors