add recaptcha v3

Author: Bahaa Odeh

AutoloadExample.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: bahaaodeh
+ * Date: 12/22/18
+ * Time: 7:07 PM
+ */
+
+namespace Baha2Odeh\RecaptchaV3;
+
+
+use Yii;
+use yii\base\Component;
+use yii\helpers\Json;
+use yii\web\View;
+
+class RecaptchaV3 extends Component
+{
+    public $site_key = null;
+    public $secret_key = null;
+
+    private $verify_endpoint = 'https://www.google.com/recaptcha/api/siteverify';
+
+    public function init()
+    {
+        parent::init(); // TODO: Change the autogenerated stub
+
+        if(empty($this->site_key)){
+            throw new \Exception('site key cant be null');
+        }
+        if(empty($this->secret_key)){
+            throw new \Exception('secret key cant be null');
+        }
+
+    }
+
+    /**
+     * @param $view
+     *
+     */
+    public function registerScript($view){
+        /** @var View $view */
+        $view->registerJsFile('https://www.google.com/recaptcha/api.js?render='.$this->site_key,[
+            'position'=>$view::POS_HEAD,
+        ],'recaptcha-v3-script');
+    }
+
+
+
+    public function validateValue($value)
+    {
+
+        try {
+            $response = $this->curl([
+                'secret' => $this->secret_key,
+                'response' => $value,
+                'remoteip' => Yii::$app->has('request') ? Yii::$app->request->userIP : null,
+            ]);
+            if(!empty($response) && $response['success']){
+                return $response['score'];
+            }
+        }catch (\Exception $e){
+
+        }
+
+        return false;
+    }
+    /**
+     * Sends User post data with curl to google and receives 'success' if valid
+     * @param array $params
+     * @return bool
+     */
+    protected function curl(array $params)
+    {
+        $curl = curl_init();
+        curl_setopt($curl, CURLOPT_URL, $this->verify_endpoint);
+        curl_setopt($curl, CURLOPT_POST, true);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($curl, CURLOPT_POSTFIELDS, $params);
+        $curlData = curl_exec($curl);
+        curl_close($curl);
+        return Json::decode($curlData, true);
+    }
+}

RecaptchaV3.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: bahaaodeh
+ * Date: 12/22/18
+ * Time: 7:23 PM
+ */
+
+namespace Baha2Odeh\RecaptchaV3;
+
+
+use Yii;
+use yii\base\InvalidConfigException;
+use yii\di\Instance;
+use yii\validators\Validator;
+
+class RecaptchaV3Validator extends Validator
+{
+    /**
+     * @var bool
+     */
+    public $skipOnEmpty = false;
+
+
+    /**
+     * Recaptcha component
+     * @var string|array|RecaptchaV3
+     */
+    public $component = 'recaptchaV3';
+
+
+    /**
+     * the score for this request (0.0 - 1.0)
+     * @var null|int
+     */
+    public $acceptance_score = null;
+
+    /**
+     * @var RecaptchaV3
+     */
+    private $_component = null;
+    /**
+     * @inheritdoc
+     * @throws InvalidConfigException
+     */
+    public function init()
+    {
+        parent::init();
+        $component = Instance::ensure($this->component, RecaptchaV3::class);
+        if ($component == null) {
+            throw new InvalidConfigException(Yii::t('recaptchav3', 'component is required.'));
+        }
+        $this->_component = $component;
+
+        if ($this->message === null) {
+            $this->message = Yii::t('recaptchav3', 'The verification code is incorrect.');
+        }
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function validateValue($value)
+    {
+
+        $result = $this->_component->validateValue($value);
+        if($result === false){
+            return [$this->message, []];
+        }
+        if($this->acceptance_score !== null && $result < $this->acceptance_score){
+            return [$this->message, []];
+        }
+        return null;
+    }
+
+}

RecaptchaV3Validator.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: bahaaodeh
+ * Date: 12/22/18
+ * Time: 7:51 PM
+ */
+
+namespace Baha2Odeh\RecaptchaV3;
+
+
+use Yii;
+use yii\base\InvalidConfigException;
+use yii\di\Instance;
+use yii\helpers\Html;
+use yii\widgets\InputWidget;
+
+class RecaptchaV3Widget extends InputWidget
+{
+    /**
+     * Recaptcha component
+     * @var string|array|RecaptchaV3
+     */
+    public $component = 'recaptchaV3';
+
+    /**
+     * @var string
+     */
+    public $buttonText = 'Submit';
+
+    /**
+     * @var string
+     */
+    public $actionName = 'homepage';
+
+    /**
+     * @var RecaptchaV3
+     */
+    private $_component = null;
+
+    /**
+     * @inheritdoc
+     * @throws InvalidConfigException
+     */
+    public function init()
+    {
+        parent::init();
+        $component = Instance::ensure($this->component, RecaptchaV3::class);
+        if ($component == null) {
+            throw new InvalidConfigException(Yii::t('recaptchav3', 'component is required.'));
+        }
+        $this->_component = $component;
+    }
+
+
+
+    /**
+     * @inheritdoc
+     */
+    public function run()
+    {
+        $this->_component->registerScript($this->getView());
+        $this->field->template = "{input}\n{error}";
+        $formId = $this->field->form->id;
+        $inputId = Html::getInputId($this->model, $this->attribute);
+
+        return
+            Html::tag('script', <<<JS
+              grecaptcha.ready(function() {
+                  grecaptcha.execute('{$this->_component->site_key}', {action: '{$this->actionName}'}).then(function(token) {
+                      alert(token);
+                      $('#{$inputId}').val(token);
+                      $('#{$formId}').submit();
+                  });
+             });
+JS
+            )
+            . Html::activeHiddenInput($this->model, $this->attribute)
+            . Html::button($this->buttonText, $this->options);
+    }
+}