ReCaptcha\Validator теперь повторяет запрос к API Google, если запрос не удался

api/components/ReCaptcha/Validator.php

@@ -3,13 +3,19 @@ namespace api\components\ReCaptcha;
 
 use common\helpers\Error as E;
 use GuzzleHttp\ClientInterface;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\ServerException;
+use Psr\Http\Message\ResponseInterface;
 use Yii;
 use yii\base\Exception;
 use yii\di\Instance;
 
 class Validator extends \yii\validators\Validator {
 
-    protected const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
+    private const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify';
+
+    private const REPEAT_LIMIT = 3;
+    private const REPEAT_TIMEOUT = 1;
 
     public $skipOnEmpty = false;
 
@@ -42,20 +48,47 @@ class Validator extends \yii\validators\Validator {
             return [$this->requiredMessage, []];
         }
 
-        $response = $this->client->request('POST', self::SITE_VERIFY_URL, [
+        $repeats = 0;
+        do {
+            $isSuccess = true;
+            try {
+                $response = $this->performRequest($value);
+            } catch (ConnectException | ServerException $e) {
+                if (++$repeats >= self::REPEAT_LIMIT) {
+                    throw $e;
+                }
+
+                $isSuccess = false;
+                sleep(self::REPEAT_TIMEOUT);
+            }
+        } while (!$isSuccess);
+
+        /** @noinspection PhpUndefinedVariableInspection */
+        $data = json_decode($response->getBody(), true);
+        if (!isset($data['success'])) {
+            throw new Exception('Invalid recaptcha verify response.');
+        }
+
+        if (!$data['success']) {
+            return [$this->message, []];
+        }
+
+        return null;
+    }
+
+    /**
+     * @param string $value
+     * @throws \GuzzleHttp\Exception\GuzzleException
+     * @return ResponseInterface
+     */
+    protected function performRequest(string $value): ResponseInterface {
+        return $this->client->request('POST', self::SITE_VERIFY_URL, [
             'form_params' => [
                 'secret' => $this->component->secret,
                 'response' => $value,
                 'remoteip' => Yii::$app->getRequest()->getUserIP(),
             ],
         ]);
-        $data = json_decode($response->getBody(), true);
-
-        if (!isset($data['success'])) {
-            throw new Exception('Invalid recaptcha verify response.');
-        }
-
-        return $data['success'] ? null : [$this->message, []];
     }
 
 }