khaihihi

wp-content/plugins/wordpress-seo/admin/class-extensions.php

@@ -0,0 +1,112 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Admin
+ */
+
+/**
+ * Represents the class that contains the list of possible extensions for Yoast SEO.
+ */
+class WPSEO_Extensions {
+
+	/**
+	 * Array with the Yoast extensions.
+	 *
+	 * @var array
+	 */
+	protected $extensions = [
+		'Yoast SEO Premium' => [
+			'slug'          => 'yoast-seo-premium',
+			'identifier'    => 'wordpress-seo-premium',
+			'classname'     => 'WPSEO_Premium',
+			'my-yoast-slug' => WPSEO_Addon_Manager::PREMIUM_SLUG,
+		],
+		'News SEO' => [
+			'slug'          => 'news-seo',
+			'identifier'    => 'wpseo-news',
+			'classname'     => 'WPSEO_News',
+			'my-yoast-slug' => WPSEO_Addon_Manager::NEWS_SLUG,
+		],
+		'Yoast WooCommerce SEO' => [
+			'slug'          => 'woocommerce-yoast-seo',
+			'identifier'    => 'wpseo-woocommerce',
+			'classname'     => 'Yoast_WooCommerce_SEO',
+			'my-yoast-slug' => WPSEO_Addon_Manager::WOOCOMMERCE_SLUG,
+		],
+		'Video SEO' => [
+			'slug'          => 'video-seo-for-wordpress',
+			'identifier'    => 'wpseo-video',
+			'classname'     => 'WPSEO_Video_Sitemap',
+			'my-yoast-slug' => WPSEO_Addon_Manager::VIDEO_SLUG,
+		],
+		'Local SEO' => [
+			'slug'          => 'local-seo-for-wordpress',
+			'identifier'    => 'wpseo-local',
+			'classname'     => 'WPSEO_Local_Core',
+			'my-yoast-slug' => WPSEO_Addon_Manager::LOCAL_SLUG,
+		],
+	];
+
+	/**
+	 * Returns the set extensions.
+	 *
+	 * @return array All the extension names.
+	 */
+	public function get() {
+		return array_keys( $this->extensions );
+	}
+
+	/**
+	 * Checks if the extension is valid.
+	 *
+	 * @param string $extension The extension to get the name for.
+	 *
+	 * @return bool Returns true when valid.
+	 */
+	public function is_valid( $extension ) {
+		$addon_manager = new WPSEO_Addon_Manager();
+		return $addon_manager->has_valid_subscription( $this->extensions[ $extension ]['my-yoast-slug'] );
+	}
+
+	/**
+	 * Invalidates the extension by removing its option.
+	 *
+	 * @param string $extension The extension to invalidate.
+	 */
+	public function invalidate( $extension ) {
+		/*
+		 * Make sure we clear the current site and multisite options.
+		 *
+		 * Because plugins can be site-activated or multi-site activated we need to clear
+		 * all possible options.
+		 *
+		 * If we knew here that the extension in question was network activated
+		 * we could do this a lot more easily.
+		 */
+		delete_option( $this->get_option_name( $extension ) );
+		delete_site_option( $this->get_option_name( $extension ) );
+	}
+
+	/**
+	 * Checks if the plugin has been installed.
+	 *
+	 * @param string $extension The name of the plugin to check.
+	 *
+	 * @return bool Returns true when installed.
+	 */
+	public function is_installed( $extension ) {
+		return class_exists( $this->extensions[ $extension ]['classname'] );
+	}
+
+	/**
+	 * Converts the extension to the required option name.
+	 *
+	 * @param string $extension The extension name to convert.
+	 *
+	 * @return string Returns the option name.
+	 */
+	protected function get_option_name( $extension ) {
+		return sanitize_title_with_dashes( $this->extensions[ $extension ]['slug'] . '_', null, 'save' ) . 'license';
+	}
+}