Integrate Google reCAPTCHA v2 in Laravel with Validation
Google ReCaptcha is a captcha like a system, that provides security against hackers and sticks or CURL requests. It’s very popular. Today we will add “I’m not a robot” captcha in the contact form of our Laravel application.
Table of Contents
- Install Laravel and Basic Configurations
- Install anhskohbo/no-captcha Package
- Get Google reCAPTCHA API Key
- Create a Controller
- Create a Blade File
- Register Routes
- Run and Test
Step 1 : Install Laravel and Basic Configurations
Each Laravel project needs this thing. That’s why I have written an article on this topic. Please see this part from here: Install Laravel and Basic Configurations.
Step 2 : Install anhskohbo/no-captcha Package
For recaptcha we are going to use anhskohbo/no-captcha package. Let’s install this via artisan command:
composer require anhskohbo/no-captcha
If you’re using Laravel 5.5 and above, you don’t need to manual configuration. I am writing the manual configuration for those people who are using Laravel 5.4 or more previous version.
In config/app.php add the following:
'providers' => [
.....
Anhskohbo\NoCaptcha\NoCaptchaServiceProvider::class,
],
'aliases' => [
.....
'NoCaptcha' => Anhskohbo\NoCaptcha\Facades\NoCaptcha::class,
]Now publish the vendor by this command:
php artisan vendor:publish --provider="Anhskohbo\NoCaptcha\NoCaptchaServiceProvider"
Step 3 : Get Google reCAPTCHA API Key
We have to create a Google reCAPTCHA project. Visit reCAPTCHA admin panel and create a project. Select version 2.
Then hit submit button to get the site and secret key like this:
Now open .env file and put site and secret key in this two variables:
NOCAPTCHA_SITEKEY=site_key
NOCAPTCHA_SECRET=secret_keyStep 4 : Create a Controller
Let’s create a controller named “ContactFormController” by typing this command:
php artisan make:controller ContactFormController
Open the controller from app>Http>Controllers and paste this code:
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class ContactFormController extends Controller
{
public function form()
{
return view('contactfrom');
}
public function contactRequest(Request $request)
{
$this->validate($request, [
'name' => 'required',
'email' => 'required|email',
'message' => 'required',
'g-recaptcha-response' => 'required|captcha',
]);
// send email
return "Email has been sent. We will reply you soon.";
}
}Step 5 : Create a Blade File
To view the contact form, we need a view file. Go to resources>views folder and create a folder named “contactfrom.blade.php”. Then open the file and paste this code:
<!DOCTYPE html>
<html>
<head>
<title>Google reCAPTCHA v2</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
{!! NoCaptcha::renderJs() !!}
</head>
<body>
<div class="container" style="margin-top: 50px; width: 750px;">
<div class="card card-primary">
<div class="card-body">
<h4 class="card-title text-center">Google reCAPTCHA v2</h4>
<form class="form-horizontal" role="form" method="POST" action="{{ route('contact-request') }}">
{!! csrf_field() !!}
<div class="form-group{{ $errors->has('name') ? ' has-error' : '' }}">
<label class="col-md-4 control-label">Name</label>
<div class="col-md-12">
<input type="text" class="form-control" name="name" value="{{ old('name') }}">
@if ($errors->has('name'))
<span class="help-block text-danger">
<strong>{{ $errors->first('name') }}</strong>
</span>
@endif
</div>
</div>
<div class="form-group{{ $errors->has('email') ? ' has-error' : '' }}">
<label class="col-md-4 control-label">E-Mail Address</label>
<div class="col-md-12">
<input type="email" class="form-control" name="email" value="{{ old('email') }}">
@if ($errors->has('email'))
<span class="help-block text-danger">
<strong>{{ $errors->first('email') }}</strong>
</span>
@endif
</div>
</div>
<div class="form-group{{ $errors->has('message') ? ' has-error' : '' }}">
<label class="col-md-4 control-label">Message</label>
<div class="col-md-12">
<textarea class="form-control" name="message" rows="3">{{ old('message') }}</textarea>
@if ($errors->has('message'))
<span class="help-block text-danger">
<strong>{{ $errors->first('message') }}</strong>
</span>
@endif
</div>
</div>
<div class="form-group{{ $errors->has('g-recaptcha-response') ? ' has-error' : '' }}">
<label class="col-md-4 control-label">Captcha</label>
<div class="col-md-12">
{!! app('captcha')->display() !!}
@if ($errors->has('g-recaptcha-response'))
<span class="help-block text-danger">
<strong>{{ $errors->first('g-recaptcha-response') }}</strong>
</span>
@endif
</div>
</div>
<div class="form-group">
<div class="col-md-6 col-md-offset-4">
<br/>
<button type="submit" class="btn btn-primary">
Contact
</button>
</div>
</div>
</form>
</div>
</div>
</div>
</body>
</html>Step 6 : Register Routes
We have created two methods in the ContactFormController. Let’s define two routes for the two methods. Open routes/web.php and paste this code:
<?php
Route::get('contact', '[email protected]');
Route::post('contact-request', '[email protected]')->name('contact-request');Step 7 : Run and Test
We have completed all the tasks. It’s time to test. Now run the project and visit this route:
http://localhost:8000/contact
You will see the output like this:
We have added validation too.
We have successfully integrated Google reCAPTCHA v2 in our project.
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