domain name validating using laravel and ajaxLearning Curve- Perfect Tutorial for the beginers | Learning Curve- Perfect Tutorial for the beginers

Validating a Domain using Laravel-domain validation using laravel

How to validate a domain name using laravel and ajax.if we enter a domain name(Eg:http://test.com) through ajax call we will validate the domain Below are the routes,controller,model,view files routes.php- in the latest version laravel web.php

<?php

/*
|--------------------------------------------------------------------------
| Web Routes
|--------------------------------------------------------------------------
|
| Here is where you can register web routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| contains the "web" middleware group. Now create something great!
|
*/

Route::get('/', function () {
    return view('welcome');
});
Route::get('urlvalidator', 'WelcomeController@urlvalidator');
Route::post('checkDomain', 'WelcomeController@checkDomain');
Route::post('urlSubmitPage', 'WelcomeController@urlSubmitPage');

<?php

|--------------------------------------------------------------------------

| Web Routes

|--------------------------------------------------------------------------

| Here is where you can register web routes for your application. These

| routes are loaded by the RouteServiceProvider within a group which

| contains the "web" middleware group. Now create something great!

Route::get('/', function () {

return view('welcome');

});

Route::get('urlvalidator', 'WelcomeController@urlvalidator');

Route::post('checkDomain', 'WelcomeController@checkDomain');

Route::post('urlSubmitPage', 'WelcomeController@urlSubmitPage');

controller-Welcomeontroller.php

<?php namespace App\Http\Controllers;
use App\Models\Country;
use App\Models\State;
use Illuminate\Http\Request;
class WelcomeController extends Controller {

	/*
	|--------------------------------------------------------------------------
	| Welcome Controller
	|--------------------------------------------------------------------------
	|
	| This controller renders the "marketing page" for the application and
	| is configured to only allow guests. Like most of the other sample
	| controllers, you are free to modify or remove it as you desire.
	|
	*/

	/**
	 * Create a new controller instance.
	 *
	 * @return void
	 */
	public function __construct()
	{
		$this->middleware('guest');
	}

	/**
	 * Show the application welcome screen to the user.
	 *
	 * @return Response
	 */
	public function index()
	{
		return view('welcome');
	}

	public function contactf()
	{
	 	return view('pages.contact');
	
	}
	

    public function urlvalidator()
	{
	      
		return view('urlvalidation.urlvalidation');
	}

  	   public function checkDomain(Request $request)
	{
	    $url = $request->input('url');
		$file_headers = @get_headers($url);
        $file_header_result = explode(" ", $file_headers[0]);
        $valid_response_code = array("400", "401", "402", "403", "404", "405", "406", "407", "408", "409", "410", "411", "412", "413", "414", "415", "416", "417", "500", "501", "502", "503", "504", "505");
        if (!$file_headers || in_array($file_header_result[1], $valid_response_code)) {
            $exists = "false";
        } else {
            $exists = "true";
        }
        echo $exists;
	}

	public function urlSubmitPage()
	{
	echo "Submitted";
	}     
  	
}

<?php namespace App\Http\Controllers;

use App\Models\Country;

use App\Models\State;

use Illuminate\Http\Request;

class WelcomeController extends Controller {

|--------------------------------------------------------------------------

| Welcome Controller

|--------------------------------------------------------------------------

| This controller renders the "marketing page" for the application and

| is configured to only allow guests. Like most of the other sample

| controllers, you are free to modify or remove it as you desire.

/**

* Create a new controller instance.

* @return void

public function __construct()

{

$this->middleware('guest');

}

/**

* Show the application welcome screen to the user.

* @return Response

public function index()

{

return view('welcome');

}

public function contactf()

{

return view('pages.contact');

}

public function urlvalidator()

{

return view('urlvalidation.urlvalidation');

}

public function checkDomain(Request $request)

{

$url = $request->input('url');

$file_headers = @get_headers($url);

$file_header_result = explode(" ", $file_headers[0]);

$valid_response_code = array("400", "401", "402", "403", "404", "405", "406", "407", "408", "409", "410", "411", "412", "413", "414", "415", "416", "417", "500", "501", "502", "503", "504", "505");

if (!$file_headers || in_array($file_header_result[1], $valid_response_code)) {

$exists = "false";

} else {

$exists = "true";

}

echo $exists;

}

public function urlSubmitPage()

{

echo "Submitted";

}

views file-urlvalidation/urlvalidation.blade.php

<html>
	<head>
		<title>Validating a Domain using Laravel</title>
		<meta name="csrf-token" content="{{ csrf_token() }}" />
		<link href='//fonts.googleapis.com/css?family=Lato:100' rel='stylesheet' type='text/css'>

		<style>
			body {
				margin: 0;
				padding: 0;
				width: 100%;
				height: 100%;
				color: #B0BEC5;
				display: table;
				font-weight: 100;
				font-family: 'Lato';
			}

			.container {
				text-align: center;
				display: table-cell;
				vertical-align: middle;
			}

			.content {
				text-align: center;
				display: inline-block;
			}

			.title {
				font-size: 96px;
				margin-bottom: 40px;
			}

			.quote {
				font-size: 24px;
			}
		</style>
	</head>
	<body>
		<div class="container">
		<form method="post" action="{{ URL::asset('urlSubmitPage') }}" name ="url_submit_form" id='url_submit_form' class='form-horizontal' enctype="multipart/form-data">
		<input type="hidden"  name="_token" value="{{ csrf_token() }}">
			<div class="content">
				<div class="title">Domain name validation in laravel</div>
				 <div class="form-group">                        
                <input type="text" id="domain_url" name="domain_url">
                </div>   
				<span id="validate_error" style="color:red;"></span>
				<span id="validate_result" style="color:red;font-size:14px;"></span>
				<button name="check_url" id="check_url">Check Urls</button>
			</div>
			</form>
		</div>
	</body>
</html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script>
$.ajaxSetup({
        headers: {
            'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
        }
    });
	$('#url_submit_form').submit(function() {
	var siteUrl ="{{url('checkDomain')}}";
	var entered_url=$('#domain_url').val();
	var dataString = 'url='+entered_url;
	if(entered_url=="")
	{
	$('#validate_error').html('Please enter a URL');
	return false;
	}
	else
	{
	
	$.ajax({
	url:siteUrl,
	async:true,
	type:"POST",
	data:dataString,
	dataType:"html",
	beforeSend:function(){
	$('#validate_error').html('Please Wait Loading...');
	},
	success:function(data)
	{ alert(data);
	    if(data=='false')
		{
		$('#validate_result').html('Invalid URL');
		return false;
		}
		else
		{
		$('#validate_result').html('False');
		
		}
	
	}
	});
	}
	return false;
	});

</script>

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<html>

<head>

<title>Validating a Domain using Laravel</title>

<style>

body {

margin: 0;

padding: 0;

width: 100%;

height: 100%;

color: #B0BEC5;

display: table;

font-weight: 100;

font-family: 'Lato';

}

.container {

text-align: center;

display: table-cell;

vertical-align: middle;

}

.content {

text-align: center;

display: inline-block;

}

.title {

font-size: 96px;

margin-bottom: 40px;

}

.quote {

font-size: 24px;

}

</style>

</head>

<body>

<div class="title">Domain name validation in laravel</div>

</div>

<button name="check_url" id="check_url">Check Urls</button>

</div>

</form>

</div>

</body>

</html>

$.ajaxSetup({

headers: {

'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')

}

});

$('#url_submit_form').submit(function() {

var siteUrl ="{{url('checkDomain')}}";

var entered_url=$('#domain_url').val();

var dataString = 'url='+entered_url;

if(entered_url=="")

{

$('#validate_error').html('Please enter a URL');

return false;

}

else

{

$.ajax({

url:siteUrl,

async:true,

type:"POST",

data:dataString,

dataType:"html",

beforeSend:function(){

$('#validate_error').html('Please Wait Loading...');

success:function(data)

{ alert(data);

if(data=='false')

{

$('#validate_result').html('Invalid URL');

return false;

}

else

{

$('#validate_result').html('False');

}

});

}

return false;

});

</script>