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wp-content/plugins/mailpoet/lib/Captcha/CaptchaUrlFactory.php

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+<?php declare(strict_types = 1);
+
+namespace MailPoet\Captcha;
+
+if (!defined('ABSPATH')) exit;
+
+
+use MailPoet\Router\Endpoints\Captcha as CaptchaEndpoint;
+use MailPoet\Router\Router;
+use MailPoet\Settings\SettingsController;
+use MailPoet\WP\Functions as WPFunctions;
+
+class CaptchaUrlFactory {
+  private WPFunctions $wp;
+  private SettingsController $settings;
+
+  const REFERER_MP_FORM = 'mp_form';
+  const REFERER_WP_FORM = 'wp_register_form';
+  const REFERER_WC_FORM = 'wc_register_form';
+
+  public function __construct(
+    WPFunctions $wp,
+    SettingsController $settings
+  ) {
+    $this->wp = $wp;
+    $this->settings = $settings;
+  }
+
+  public function getCaptchaUrl(array $data) {
+    return $this->getUrl(CaptchaEndpoint::ACTION_RENDER, $data);
+  }
+
+  public function getCaptchaUrlForMPForm(string $sessionId) {
+    $data = [
+      'captcha_session_id' => $sessionId,
+      'referrer_form' => self::REFERER_MP_FORM,
+    ];
+
+    return $this->getCaptchaUrl($data);
+  }
+
+  public function getCaptchaImageUrl(int $width, int $height, string $sessionId) {
+    return $this->getUrl(
+      CaptchaEndpoint::ACTION_IMAGE,
+      [
+        'width' => $width,
+        'height' => $height,
+        'captcha_session_id' => $sessionId,
+      ]
+    );
+  }
+
+  public function getCaptchaAudioUrl(string $sessionId) {
+    return $this->getUrl(
+      CaptchaEndpoint::ACTION_AUDIO,
+      [
+        'cacheBust' => time(),
+        'captcha_session_id' => $sessionId,
+      ]
+    );
+  }
+
+  private function getUrl(string $action, array $data) {
+    $post = $this->wp->getPost($this->settings->get('subscription.pages.captcha'));
+    $url = $this->wp->getPermalink($post);
+
+    $params = [
+      Router::NAME,
+      'endpoint=' . CaptchaEndpoint::ENDPOINT,
+      'action=' . $action,
+      'data=' . Router::encodeRequestData($data),
+    ];
+
+    $url .= (parse_url($url, PHP_URL_QUERY) ? '&' : '?') . join('&', $params);
+    return $url;
+  }
+}