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Dir : ~/home/id/b2c-booking.dev-unit.com/app/Helpers/
View File Name : ReCaptchaEngine.php

<?php
namespace App\Helpers;
use Illuminate\Support\HtmlString;

class ReCaptchaEngine
{
    protected static $version = "v2";
    protected static $api_key;
    protected static $api_secret;
    protected static $is_init;
    protected static $actions = [];
    protected static $is_enable = false;

    public static function scripts()
    {
        if (!self::isEnable() OR empty(static::$actions))
            return false;

        if(self::$version=='v3'){
            return  self::scriptsV3();
        }
        ?>
        <script src="https://www.google.com/recaptcha/api.js?render=<?php e(self::$api_key) ?>&onload=BravoReCaptchaCallBack" async defer></script>
        <script>
            window.BravoReCaptcha = {
                is_loaded : false,
                actions: <?php echo json_encode(static::$actions) ?>,
                widgetIds : {},
                sitekey:'<?php echo e(self::$api_key) ?>',
                callback: function () {
                    this.is_loaded = true;

                    for (var k in this.actions) {
                        var id = grecaptcha.render(this.actions[k],{
                            sitekey:this.sitekey,
                            callback:this.validateCallback
                        });
                        this.widgetIds[k] = id;
                    }
                },
                reset(action) {
                    grecaptcha.reset(this.widgetIds[action]);
                },
                getToken(action) {
                    grecaptcha.getResponse(this.widgetIds[action])
                },
                validateCallback(){

                }
            }

            function BravoReCaptchaCallBack(){
                BravoReCaptcha.callback();
            }
        </script>
        <?php
    }


    public static function captcha($action = 'default')
    {
        if (!self::isEnable())
            return false;

        static::$actions[$action] = $action . '_' . uniqid();

        if(self::$version=='v3'){
            return new HtmlString('<input type="hidden" name="g-recaptcha-response" class="bravo-recaptcha" id="'.e(static::$actions[$action]).'"><!--End Captcha-->');
        }else{
            return new HtmlString('<div class="bravo-recaptcha" id="'.e(static::$actions[$action]).'"></div><!--End Captcha-->');
        }
    }

    public static function scriptsV3()
    {
        if (!self::isEnable() OR empty(static::$actions))
            return false;


        ?>

        <script src="https://www.google.com/recaptcha/api.js?render=<?php echo e(self::$api_key) ?>&onload=BravoReCaptchaCallBack" async defer></script>
        <script>

            window.BravoReCaptcha = {
                is_loaded : false,
                actions: <?php echo json_encode(static::$actions) ?>,
                widgetIds : {},
                sitekey:'<?php echo e(self::$api_key) ?>',
                callback: function () {
                    this.is_loaded = true;
                    for (var k in this.actions) {
                        var v = this.actions[k]
                        this.getToken(k,v)
                        this.widgetIds[k] = v;
                    }
                },
                reset(action) {
                    console.log(action,this.widgetIds[action],this.widgetIds)
                    this.getToken(action,this.widgetIds[action])
                },
                getToken(action,id) {
                    grecaptcha.ready(function () {
                        grecaptcha.execute('<?php echo e(self::$api_key) ?>', {action: action}).then(function(token) {
                            $('#'+id).val(token);
                        })
                    });
                },
                validateCallback(){
                }
            }

            function BravoReCaptchaCallBack(){
                BravoReCaptcha.callback();
            }
        </script>
        <?php
    }



    public static function isEnable()
    {
        self::maybeInit();
        if (!self::$api_key or !self::$api_secret or !self::$is_enable)
            return false;
        return true;
    }

    public static function maybeInit()
    {
        if (self::$is_init)
            return;
        self::$api_key = setting_item('recaptcha_api_key');
        self::$api_secret = setting_item('recaptcha_api_secret');
        self::$is_enable = setting_item('recaptcha_enable');
        self::$is_init = true;
        self::$version = setting_item('recaptcha_version','v2');
    }

    public static function verify($response)
    {
        if (!self::isEnable())
            return true;
        $url = 'https://www.google.com/recaptcha/api/siteverify';
        $data = [
            'secret'   => self::$api_secret,
            'response' => $response
        ];
        $query = http_build_query($data);
        $options = [
            'http' => [
                'header'  => "Content-Type: application/x-www-form-urlencoded\r\n" . "Content-Length: " . strlen($query) . "\r\n" . "User-Agent:MyAgent/1.0\r\n",
                'method'  => 'POST',
                'content' => $query
            ]
        ];
        $context = stream_context_create($options);

        $verify = static::file_get_contents_curl($url, true, $data);

        $captchaVerify = json_decode($verify, true);
        if ($captchaVerify['success'] == true) {
            return true;
        }
        return false;
    }

    public static function file_get_contents_curl($url,$isPost = false,$data = []) {

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);

        if($isPost){
            curl_setopt($ch, CURLOPT_POST, count($data));
            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        }

        $data = curl_exec($ch);
        curl_close($ch);

        return $data;
    }
}