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Directive	Local Value
IP Address	89.40.16.97
System	Linux server.atelieruldeit.ro 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64
User	tbf
PHP Version	7.3.33
Software	Apache
Doc root	Writable

Edit File : class-addon-manager.php \| Size : 15.55 KB
<?php /** * WPSEO plugin file. * * @package WPSEO\Inc / /* * Represents the addon manager. / class WPSEO_Addon_Manager { /* * Holds the name of the transient. * * @var string / const SITE_INFORMATION_TRANSIENT = 'wpseo_site_information'; /* * Holds the name of the transient. * * @var string / const SITE_INFORMATION_TRANSIENT_QUICK = 'wpseo_site_information_quick'; /* * Holds the slug for YoastSEO free. * * @var string / const FREE_SLUG = 'yoast-seo-wordpress'; /* * Holds the slug for YoastSEO Premium. * * @var string / const PREMIUM_SLUG = 'yoast-seo-wordpress-premium'; /* * Holds the slug for Yoast News. * * @var string / const NEWS_SLUG = 'yoast-seo-news'; /* * Holds the slug for Video. * * @var string / const VIDEO_SLUG = 'yoast-seo-video'; /* * Holds the slug for WooCommerce. * * @var string / const WOOCOMMERCE_SLUG = 'yoast-seo-woocommerce'; /* * Holds the slug for Local. * * @var string / const LOCAL_SLUG = 'yoast-seo-local'; /* * The expected addon data. * * @var array / protected static $addons = [ 'wp-seo-premium.php' => self::PREMIUM_SLUG, 'wpseo-news.php' => self::NEWS_SLUG, 'video-seo.php' => self::VIDEO_SLUG, 'wpseo-woocommerce.php' => self::WOOCOMMERCE_SLUG, 'local-seo.php' => self::LOCAL_SLUG, ]; /* * Holds the site information data. * * @var object / private $site_information; /* * Hooks into WordPress. * * @codeCoverageIgnore * * @return void / public function register_hooks() { add_filter( 'pre_set_site_transient_update_plugins', [ $this, 'check_for_updates' ] ); add_filter( 'plugins_api', [ $this, 'get_plugin_information' ], 10, 3 ); } /* * Gets the subscriptions for current site. * * @return stdClass The subscriptions. / public function get_subscriptions() { return $this->get_site_information()->subscriptions; } /* * Retrieves the subscription for the given slug. * * @param string $slug The plugin slug to retrieve. * * @return stdClass\|false Subscription data when found, false when not found. / public function get_subscription( $slug ) { foreach ( $this->get_subscriptions() as $subscription ) { if ( $subscription->product->slug === $slug ) { return $subscription; } } return false; } /* * Retrieves a list of (subscription) slugs by the active addons. * * @return array The slugs. / public function get_subscriptions_for_active_addons() { $active_addons = array_keys( $this->get_active_addons() ); $subscription_slugs = array_map( [ $this, 'get_slug_by_plugin_file' ], $active_addons ); $subscriptions = []; foreach ( $subscription_slugs as $subscription_slug ) { $subscriptions[ $subscription_slug ] = $this->get_subscription( $subscription_slug ); } return $subscriptions; } /* * Retrieves a list of versions for each addon. * * @return array The addon versions. / public function get_installed_addons_versions() { $addon_versions = []; foreach ( $this->get_installed_addons() as $plugin_file => $installed_addon ) { $addon_versions[ $this->get_slug_by_plugin_file( $plugin_file ) ] = $installed_addon['Version']; } return $addon_versions; } /* * Retrieves the plugin information from the subscriptions. * * @param stdClass\|false $data The result object. Default false. * @param string $action The type of information being requested from the Plugin Installation API. * @param stdClass $args Plugin API arguments. * * @return object Extended plugin data. / public function get_plugin_information( $data, $action, $args ) { if ( $action !== 'plugin_information' ) { return $data; } if ( ! isset( $args->slug ) ) { return $data; } $subscription = $this->get_subscription( $args->slug ); if ( ! $subscription \|\| $this->has_subscription_expired( $subscription ) ) { return $data; } return $this->convert_subscription_to_plugin( $subscription ); } /* * Checks if the subscription for the given slug is valid. * * @param string $slug The plugin slug to retrieve. * * @return bool True when the subscription is valid. / public function has_valid_subscription( $slug ) { $subscription = $this->get_subscription( $slug ); // An non-existing subscription is never valid. if ( $subscription === false ) { return false; } return ! $this->has_subscription_expired( $subscription ); } /* * Checks if there are addon updates. * * @param stdClass\|mixed $data The current data for update_plugins. * * @return stdClass Extended data for update_plugins. / public function check_for_updates( $data ) { if ( empty( $data ) ) { return $data; } foreach ( $this->get_installed_addons() as $plugin_file => $installed_plugin ) { $subscription_slug = $this->get_slug_by_plugin_file( $plugin_file ); $subscription = $this->get_subscription( $subscription_slug ); if ( ! $subscription \|\| $this->has_subscription_expired( $subscription ) ) { continue; } if ( version_compare( $installed_plugin['Version'], $subscription->product->version, '<' ) ) { $data->response[ $plugin_file ] = $this->convert_subscription_to_plugin( $subscription ); } } return $data; } /* * Checks if there are any installed addons. * * @return bool True when there are installed Yoast addons. / public function has_installed_addons() { $installed_addons = $this->get_installed_addons(); return ! empty( $installed_addons ); } /* * Checks whether a plugin expiry date has been passed. * * @param stdClass $subscription Plugin subscription. * * @return bool Has the plugin expired. / protected function has_subscription_expired( $subscription ) { return ( strtotime( $subscription->expiry_date ) - time() ) < 0; } /* * Converts a subscription to plugin based format. * * @param stdClass $subscription The subscription to convert. * * @return stdClass The converted subscription. / protected function convert_subscription_to_plugin( $subscription ) { // We need to replace h2's and h3's with h4's because the styling expects that. $changelog = str_replace( '</h2', '</h4', str_replace( '<h2', '<h4', $subscription->product->changelog ) ); $changelog = str_replace( '</h3', '</h4', str_replace( '<h3', '<h4', $changelog ) ); return (object) [ 'new_version' => $subscription->product->version, 'name' => $subscription->product->name, 'slug' => $subscription->product->slug, 'url' => $subscription->product->store_url, 'last_update' => $subscription->product->last_updated, 'homepage' => $subscription->product->store_url, 'download_link' => $subscription->product->download, 'package' => $subscription->product->download, 'sections' => [ 'changelog' => $changelog, 'support' => $this->get_support_section(), ], 'icons' => [ '2x' => $this->get_icon( $subscription->product->slug ), ], 'banners' => $this->get_banners( $subscription->product->slug ), 'tested' => YOAST_SEO_WP_TESTED, 'requires' => YOAST_SEO_WP_REQUIRED, 'requires_php' => YOAST_SEO_PHP_REQUIRED, ]; } /* * Returns the plugin's icon URL. * * @param string $slug The plugin slug. * * @return string The icon URL for this plugin. / protected function get_icon( $slug ) { switch ( $slug ) { case self::LOCAL_SLUG: return 'https://yoa.st/local-seo-icon'; case self::NEWS_SLUG: return 'https://yoa.st/news-seo-icon'; case self::PREMIUM_SLUG: return 'https://yoa.st/yoast-seo-icon'; case self::VIDEO_SLUG: return 'https://yoa.st/video-seo-icon'; case self::WOOCOMMERCE_SLUG: return 'https://yoa.st/woo-seo-icon'; } } /* * Return an array of plugin banner URLs. * * @param string $slug The plugin slug. * * @return string[] / protected function get_banners( $slug ) { switch ( $slug ) { case self::LOCAL_SLUG: return [ 'high' => 'https://yoa.st/yoast-seo-banner-local', 'low' => 'https://yoa.st/yoast-seo-banner-low-local', ]; case self::NEWS_SLUG: return [ 'high' => 'https://yoa.st/yoast-seo-banner-news', 'low' => 'https://yoa.st/yoast-seo-banner-low-news', ]; case self::PREMIUM_SLUG: return [ 'high' => 'https://yoa.st/yoast-seo-banner-premium', 'low' => 'https://yoa.st/yoast-seo-banner-low-premium', ]; case self::VIDEO_SLUG: return [ 'high' => 'https://yoa.st/yoast-seo-banner-video', 'low' => 'https://yoa.st/yoast-seo-banner-low-video', ]; case self::WOOCOMMERCE_SLUG: return [ 'high' => 'https://yoa.st/yoast-seo-banner-woo', 'low' => 'https://yoa.st/yoast-seo-banner-low-woo', ]; } } /* * Checks if the given plugin_file belongs to a Yoast addon. * * @param string $plugin_file Path to the plugin. * * @return bool True when plugin file is for a Yoast addon. / protected function is_yoast_addon( $plugin_file ) { return $this->get_slug_by_plugin_file( $plugin_file ) !== ''; } /* * Retrieves the addon slug by given plugin file path. * * @param string $plugin_file The file path to the plugin. * * @return string The slug when found or empty string when not. / protected function get_slug_by_plugin_file( $plugin_file ) { $addons = self::$addons; // Yoast SEO Free isn't an addon, but we needed it in Premium to fetch translations. if ( WPSEO_Utils::is_yoast_seo_premium() ) { $addons['wp-seo.php'] = self::FREE_SLUG; } foreach ( $addons as $addon => $addon_slug ) { if ( strpos( $plugin_file, $addon ) !== false ) { return $addon_slug; } } return ''; } /* * Retrieves the installed Yoast addons. * * @return array The installed plugins. / protected function get_installed_addons() { return array_filter( $this->get_plugins(), [ $this, 'is_yoast_addon' ], ARRAY_FILTER_USE_KEY ); } /* * Retrieves a list of active addons. * * @return array The active addons. / protected function get_active_addons() { return array_filter( $this->get_installed_addons(), [ $this, 'is_plugin_active' ], ARRAY_FILTER_USE_KEY ); } /* * Retrieves the current sites from the API. * * @codeCoverageIgnore * * @return bool\|stdClass Object when request is successful. False if not. / protected function request_current_sites() { $api_request = new WPSEO_MyYoast_Api_Request( 'sites/current' ); if ( $api_request->fire() ) { return $api_request->get_response(); } return $this->get_site_information_default(); } /* * Retrieves the transient value with the site information. * * @codeCoverageIgnore * * @return stdClass\|false The transient value. / protected function get_site_information_transient() { global $pagenow; // Force re-check on license & dashboard pages. $current_page = $this->get_current_page(); // Check whether the licenses are valid or whether we need to show notifications. $quick = ( $current_page === 'wpseo_licenses' \|\| $current_page === 'wpseo_dashboard' ); // Also do a fresh request on Plugins & Core Update pages. $quick = $quick \|\| $pagenow === 'plugins.php'; $quick = $quick \|\| $pagenow === 'update-core.php'; if ( $quick ) { return get_transient( self::SITE_INFORMATION_TRANSIENT_QUICK ); } return get_transient( self::SITE_INFORMATION_TRANSIENT ); } /* * Returns the current page. * * @codeCoverageIgnore * * @return string The current page. / protected function get_current_page() { return filter_input( INPUT_GET, 'page' ); } /* * Sets the site information transient. * * @codeCoverageIgnore * * @param stdClass $site_information The site information to save. * * @return void / protected function set_site_information_transient( $site_information ) { set_transient( self::SITE_INFORMATION_TRANSIENT, $site_information, DAY_IN_SECONDS ); set_transient( self::SITE_INFORMATION_TRANSIENT_QUICK, $site_information, 60 ); } /* * Retrieves all installed WordPress plugins. * * @codeCoverageIgnore * * @return array The plugins. / protected function get_plugins() { if ( ! function_exists( 'get_plugins' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; } return get_plugins(); } /* * Checks if the given plugin file belongs to an active plugin. * * @codeCoverageIgnore * * @param string $plugin_file The file path to the plugin. * * @return bool True when plugin is active. / protected function is_plugin_active( $plugin_file ) { return is_plugin_active( $plugin_file ); } /* * Returns an object with no subscriptions. * * @codeCoverageIgnore * * @return stdClass Site information. / protected function get_site_information_default() { return (object) [ 'url' => WPSEO_Utils::get_home_url(), 'subscriptions' => [], ]; } /* * Maps the plugin API response. * * @param object $site_information Site information as received from the API. * * @return object Mapped site information. / protected function map_site_information( $site_information ) { return (object) [ 'url' => $site_information->url, 'subscriptions' => array_map( [ $this, 'map_subscription' ], $site_information->subscriptions ), ]; } /* * Maps a plugin subscription. * * @param object $subscription Subscription information as received from the API. * * @return object Mapped subscription. / protected function map_subscription( $subscription ) { // phpcs:disable WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- Not our properties. return (object) [ 'renewal_url' => $subscription->renewalUrl, 'expiry_date' => $subscription->expiryDate, 'product' => (object) [ 'version' => $subscription->product->version, 'name' => $subscription->product->name, 'slug' => $subscription->product->slug, 'last_updated' => $subscription->product->lastUpdated, 'store_url' => $subscription->product->storeUrl, // Ternary operator is necessary because download can be undefined. 'download' => isset( $subscription->product->download ) ? $subscription->product->download : null, 'changelog' => $subscription->product->changelog, ], ]; // phpcs:enable } /* * Retrieves the site information. * * @return stdClass The site information. / private function get_site_information() { if ( ! $this->has_installed_addons() ) { return $this->get_site_information_default(); } if ( $this->site_information === null ) { $this->site_information = $this->get_site_information_transient(); } if ( $this->site_information ) { return $this->site_information; } $this->site_information = $this->request_current_sites(); if ( $this->site_information ) { $this->site_information = $this->map_site_information( $this->site_information ); $this->set_site_information_transient( $this->site_information ); return $this->site_information; } return $this->get_site_information_default(); } /* * Retrieves the contents for the support section. * * @return string The support section content. */ protected function get_support_section() { return '<h4>' . __( 'Need support?', 'wordpress-seo' ) . '</h4>' . '<p>' . sprintf( __( 'You can probably find an answer to your question in our %1$shelp center%2$s.', 'wordpress-seo' ), '<a href="https://yoast.com/help/">', '</a>' ) . ' ' . sprintf( __( 'If you still need support and have an active subscription for this product, please email %s.', 'wordpress-seo' ), '<a href="mailto:support@yoast.com">support@yoast.com</a>' ) . '</p>'; } } Back

Edit File : class-addon-manager.php | Size : 15.55 KB

<?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Inc
 */

/**
 * Represents the addon manager.
 */
class WPSEO_Addon_Manager {

/**
	 * Holds the name of the transient.
	 *
	 * @var string
	 */
	const SITE_INFORMATION_TRANSIENT = 'wpseo_site_information';

/**
	 * Holds the name of the transient.
	 *
	 * @var string
	 */
	const SITE_INFORMATION_TRANSIENT_QUICK = 'wpseo_site_information_quick';

/**
	 * Holds the slug for YoastSEO free.
	 *
	 * @var string
	 */
	const FREE_SLUG = 'yoast-seo-wordpress';

/**
	 * Holds the slug for YoastSEO Premium.
	 *
	 * @var string
	 */
	const PREMIUM_SLUG = 'yoast-seo-wordpress-premium';

/**
	 * Holds the slug for Yoast News.
	 *
	 * @var string
	 */
	const NEWS_SLUG = 'yoast-seo-news';

/**
	 * Holds the slug for Video.
	 *
	 * @var string
	 */
	const VIDEO_SLUG = 'yoast-seo-video';

/**
	 * Holds the slug for WooCommerce.
	 *
	 * @var string
	 */
	const WOOCOMMERCE_SLUG = 'yoast-seo-woocommerce';

/**
	 * Holds the slug for Local.
	 *
	 * @var string
	 */
	const LOCAL_SLUG = 'yoast-seo-local';

/**
	 * The expected addon data.
	 *
	 * @var array
	 */
	protected static $addons = [
		'wp-seo-premium.php'    => self::PREMIUM_SLUG,
		'wpseo-news.php'        => self::NEWS_SLUG,
		'video-seo.php'         => self::VIDEO_SLUG,
		'wpseo-woocommerce.php' => self::WOOCOMMERCE_SLUG,
		'local-seo.php'         => self::LOCAL_SLUG,
	];

/**
	 * Holds the site information data.
	 *
	 * @var object
	 */
	private $site_information;

/**
	 * Hooks into WordPress.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return void
	 */
	public function register_hooks() {
		add_filter( 'pre_set_site_transient_update_plugins', [ $this, 'check_for_updates' ] );
		add_filter( 'plugins_api', [ $this, 'get_plugin_information' ], 10, 3 );
	}

/**
	 * Gets the subscriptions for current site.
	 *
	 * @return stdClass The subscriptions.
	 */
	public function get_subscriptions() {
		return $this->get_site_information()->subscriptions;
	}

/**
	 * Retrieves the subscription for the given slug.
	 *
	 * @param string $slug The plugin slug to retrieve.
	 *
	 * @return stdClass|false Subscription data when found, false when not found.
	 */
	public function get_subscription( $slug ) {
		foreach ( $this->get_subscriptions() as $subscription ) {
			if ( $subscription->product->slug === $slug ) {
				return $subscription;
			}
		}

return false;
	}

/**
	 * Retrieves a list of (subscription) slugs by the active addons.
	 *
	 * @return array The slugs.
	 */
	public function get_subscriptions_for_active_addons() {
		$active_addons      = array_keys( $this->get_active_addons() );
		$subscription_slugs = array_map( [ $this, 'get_slug_by_plugin_file' ], $active_addons );
		$subscriptions      = [];
		foreach ( $subscription_slugs as $subscription_slug ) {
			$subscriptions[ $subscription_slug ] = $this->get_subscription( $subscription_slug );
		}

return $subscriptions;
	}

/**
	 * Retrieves a list of versions for each addon.
	 *
	 * @return array The addon versions.
	 */
	public function get_installed_addons_versions() {
		$addon_versions = [];
		foreach ( $this->get_installed_addons() as $plugin_file => $installed_addon ) {
			$addon_versions[ $this->get_slug_by_plugin_file( $plugin_file ) ] = $installed_addon['Version'];
		}

return $addon_versions;
	}

/**
	 * Retrieves the plugin information from the subscriptions.
	 *
	 * @param stdClass|false $data   The result object. Default false.
	 * @param string         $action The type of information being requested from the Plugin Installation API.
	 * @param stdClass       $args   Plugin API arguments.
	 *
	 * @return object Extended plugin data.
	 */
	public function get_plugin_information( $data, $action, $args ) {
		if ( $action !== 'plugin_information' ) {
			return $data;
		}

if ( ! isset( $args->slug ) ) {
			return $data;
		}

$subscription = $this->get_subscription( $args->slug );
		if ( ! $subscription || $this->has_subscription_expired( $subscription ) ) {
			return $data;
		}

return $this->convert_subscription_to_plugin( $subscription );
	}

/**
	 * Checks if the subscription for the given slug is valid.
	 *
	 * @param string $slug The plugin slug to retrieve.
	 *
	 * @return bool True when the subscription is valid.
	 */
	public function has_valid_subscription( $slug ) {
		$subscription = $this->get_subscription( $slug );

// An non-existing subscription is never valid.
		if ( $subscription === false ) {
			return false;
		}

return ! $this->has_subscription_expired( $subscription );
	}

/**
	 * Checks if there are addon updates.
	 *
	 * @param stdClass|mixed $data The current data for update_plugins.
	 *
	 * @return stdClass Extended data for update_plugins.
	 */
	public function check_for_updates( $data ) {
		if ( empty( $data ) ) {
			return $data;
		}

foreach ( $this->get_installed_addons() as $plugin_file => $installed_plugin ) {
			$subscription_slug = $this->get_slug_by_plugin_file( $plugin_file );
			$subscription      = $this->get_subscription( $subscription_slug );

if ( ! $subscription || $this->has_subscription_expired( $subscription ) ) {
				continue;
			}

if ( version_compare( $installed_plugin['Version'], $subscription->product->version, '<' ) ) {
				$data->response[ $plugin_file ] = $this->convert_subscription_to_plugin( $subscription );
			}
		}

return $data;
	}

/**
	 * Checks if there are any installed addons.
	 *
	 * @return bool True when there are installed Yoast addons.
	 */
	public function has_installed_addons() {
		$installed_addons = $this->get_installed_addons();

return ! empty( $installed_addons );
	}

/**
	 * Checks whether a plugin expiry date has been passed.
	 *
	 * @param stdClass $subscription Plugin subscription.
	 *
	 * @return bool Has the plugin expired.
	 */
	protected function has_subscription_expired( $subscription ) {
		return ( strtotime( $subscription->expiry_date ) - time() ) < 0;
	}

/**
	 * Converts a subscription to plugin based format.
	 *
	 * @param stdClass $subscription The subscription to convert.
	 *
	 * @return stdClass The converted subscription.
	 */
	protected function convert_subscription_to_plugin( $subscription ) {
		// We need to replace h2's and h3's with h4's because the styling expects that.
		$changelog = str_replace( '</h2', '</h4', str_replace( '<h2', '<h4', $subscription->product->changelog ) );
		$changelog = str_replace( '</h3', '</h4', str_replace( '<h3', '<h4', $changelog ) );

return (object) [
			'new_version'   => $subscription->product->version,
			'name'          => $subscription->product->name,
			'slug'          => $subscription->product->slug,
			'url'           => $subscription->product->store_url,
			'last_update'   => $subscription->product->last_updated,
			'homepage'      => $subscription->product->store_url,
			'download_link' => $subscription->product->download,
			'package'       => $subscription->product->download,
			'sections'      => [
				'changelog' => $changelog,
				'support'   => $this->get_support_section(),
			],
			'icons'         => [
				'2x' => $this->get_icon( $subscription->product->slug ),
			],
			'banners'       => $this->get_banners( $subscription->product->slug ),
			'tested'        => YOAST_SEO_WP_TESTED,
			'requires'      => YOAST_SEO_WP_REQUIRED,
			'requires_php'  => YOAST_SEO_PHP_REQUIRED,
		];
	}

/**
	 * Returns the plugin's icon URL.
	 *
	 * @param string $slug The plugin slug.
	 *
	 * @return string The icon URL for this plugin.
	 */
	protected function get_icon( $slug ) {
		switch ( $slug ) {
			case self::LOCAL_SLUG:
				return 'https://yoa.st/local-seo-icon';
			case self::NEWS_SLUG:
				return 'https://yoa.st/news-seo-icon';
			case self::PREMIUM_SLUG:
				return 'https://yoa.st/yoast-seo-icon';
			case self::VIDEO_SLUG:
				return 'https://yoa.st/video-seo-icon';
			case self::WOOCOMMERCE_SLUG:
				return 'https://yoa.st/woo-seo-icon';
		}
	}

/**
	 * Return an array of plugin banner URLs.
	 *
	 * @param string $slug The plugin slug.
	 *
	 * @return string[]
	 */
	protected function get_banners( $slug ) {
		switch ( $slug ) {
			case self::LOCAL_SLUG:
				return [
					'high' => 'https://yoa.st/yoast-seo-banner-local',
					'low'  => 'https://yoa.st/yoast-seo-banner-low-local',
				];
			case self::NEWS_SLUG:
				return [
					'high' => 'https://yoa.st/yoast-seo-banner-news',
					'low'  => 'https://yoa.st/yoast-seo-banner-low-news',
				];
			case self::PREMIUM_SLUG:
				return [
					'high' => 'https://yoa.st/yoast-seo-banner-premium',
					'low'  => 'https://yoa.st/yoast-seo-banner-low-premium',
				];
			case self::VIDEO_SLUG:
				return [
					'high' => 'https://yoa.st/yoast-seo-banner-video',
					'low'  => 'https://yoa.st/yoast-seo-banner-low-video',
				];
			case self::WOOCOMMERCE_SLUG:
				return [
					'high' => 'https://yoa.st/yoast-seo-banner-woo',
					'low'  => 'https://yoa.st/yoast-seo-banner-low-woo',
				];
		}
	}

/**
	 * Checks if the given plugin_file belongs to a Yoast addon.
	 *
	 * @param string $plugin_file Path to the plugin.
	 *
	 * @return bool True when plugin file is for a Yoast addon.
	 */
	protected function is_yoast_addon( $plugin_file ) {
		return $this->get_slug_by_plugin_file( $plugin_file ) !== '';
	}

/**
	 * Retrieves the addon slug by given plugin file path.
	 *
	 * @param string $plugin_file The file path to the plugin.
	 *
	 * @return string The slug when found or empty string when not.
	 */
	protected function get_slug_by_plugin_file( $plugin_file ) {
		$addons = self::$addons;

// Yoast SEO Free isn't an addon, but we needed it in Premium to fetch translations.
		if ( WPSEO_Utils::is_yoast_seo_premium() ) {
			$addons['wp-seo.php'] = self::FREE_SLUG;
		}

foreach ( $addons as $addon => $addon_slug ) {
			if ( strpos( $plugin_file, $addon ) !== false ) {
				return $addon_slug;
			}
		}

return '';
	}

/**
	 * Retrieves the installed Yoast addons.
	 *
	 * @return array The installed plugins.
	 */
	protected function get_installed_addons() {
		return array_filter( $this->get_plugins(), [ $this, 'is_yoast_addon' ], ARRAY_FILTER_USE_KEY );
	}

/**
	 * Retrieves a list of active addons.
	 *
	 * @return array The active addons.
	 */
	protected function get_active_addons() {
		return array_filter( $this->get_installed_addons(), [ $this, 'is_plugin_active' ], ARRAY_FILTER_USE_KEY );
	}

/**
	 * Retrieves the current sites from the API.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return bool|stdClass Object when request is successful. False if not.
	 */
	protected function request_current_sites() {
		$api_request = new WPSEO_MyYoast_Api_Request( 'sites/current' );
		if ( $api_request->fire() ) {
			return $api_request->get_response();
		}

return $this->get_site_information_default();
	}

/**
	 * Retrieves the transient value with the site information.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return stdClass|false The transient value.
	 */
	protected function get_site_information_transient() {
		global $pagenow;

// Force re-check on license & dashboard pages.
		$current_page = $this->get_current_page();

// Check whether the licenses are valid or whether we need to show notifications.
		$quick = ( $current_page === 'wpseo_licenses' || $current_page === 'wpseo_dashboard' );

// Also do a fresh request on Plugins & Core Update pages.
		$quick = $quick || $pagenow === 'plugins.php';
		$quick = $quick || $pagenow === 'update-core.php';

if ( $quick ) {
			return get_transient( self::SITE_INFORMATION_TRANSIENT_QUICK );
		}

return get_transient( self::SITE_INFORMATION_TRANSIENT );
	}

/**
	 * Returns the current page.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return string The current page.
	 */
	protected function get_current_page() {
		return filter_input( INPUT_GET, 'page' );
	}

/**
	 * Sets the site information transient.
	 *
	 * @codeCoverageIgnore
	 *
	 * @param stdClass $site_information The site information to save.
	 *
	 * @return void
	 */
	protected function set_site_information_transient( $site_information ) {
		set_transient( self::SITE_INFORMATION_TRANSIENT, $site_information, DAY_IN_SECONDS );
		set_transient( self::SITE_INFORMATION_TRANSIENT_QUICK, $site_information, 60 );
	}

/**
	 * Retrieves all installed WordPress plugins.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return array The plugins.
	 */
	protected function get_plugins() {
		if ( ! function_exists( 'get_plugins' ) ) {
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

return get_plugins();
	}

/**
	 * Checks if the given plugin file belongs to an active plugin.
	 *
	 * @codeCoverageIgnore
	 *
	 * @param string $plugin_file The file path to the plugin.
	 *
	 * @return bool True when plugin is active.
	 */
	protected function is_plugin_active( $plugin_file ) {
		return is_plugin_active( $plugin_file );
	}

/**
	 * Returns an object with no subscriptions.
	 *
	 * @codeCoverageIgnore
	 *
	 * @return stdClass Site information.
	 */
	protected function get_site_information_default() {
		return (object) [
			'url'           => WPSEO_Utils::get_home_url(),
			'subscriptions' => [],
		];
	}

/**
	 * Maps the plugin API response.
	 *
	 * @param object $site_information Site information as received from the API.
	 *
	 * @return object Mapped site information.
	 */
	protected function map_site_information( $site_information ) {
		return (object) [
			'url'           => $site_information->url,
			'subscriptions' => array_map( [ $this, 'map_subscription' ], $site_information->subscriptions ),
		];
	}

/**
	 * Maps a plugin subscription.
	 *
	 * @param object $subscription Subscription information as received from the API.
	 *
	 * @return object Mapped subscription.
	 */
	protected function map_subscription( $subscription ) {
		// phpcs:disable WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase -- Not our properties.
		return (object) [
			'renewal_url' => $subscription->renewalUrl,
			'expiry_date' => $subscription->expiryDate,
			'product'     => (object) [
				'version'      => $subscription->product->version,
				'name'         => $subscription->product->name,
				'slug'         => $subscription->product->slug,
				'last_updated' => $subscription->product->lastUpdated,
				'store_url'    => $subscription->product->storeUrl,
				// Ternary operator is necessary because download can be undefined.
				'download'     => isset( $subscription->product->download ) ? $subscription->product->download : null,
				'changelog'    => $subscription->product->changelog,
			],
		];
		// phpcs:enable
	}

/**
	 * Retrieves the site information.
	 *
	 * @return stdClass The site information.
	 */
	private function get_site_information() {
		if ( ! $this->has_installed_addons() ) {
			return $this->get_site_information_default();
		}

if ( $this->site_information === null ) {
			$this->site_information = $this->get_site_information_transient();
		}

if ( $this->site_information ) {
			return $this->site_information;
		}

$this->site_information = $this->request_current_sites();
		if ( $this->site_information ) {
			$this->site_information = $this->map_site_information( $this->site_information );

$this->set_site_information_transient( $this->site_information );

return $this->site_information;
		}

return $this->get_site_information_default();
	}

/**
	 * Retrieves the contents for the support section.
	 *
	 * @return string The support section content.
	 */
	protected function get_support_section() {
		return '<h4>' . __( 'Need support?', 'wordpress-seo' ) . '</h4>'
			. '<p>'
			. sprintf( __( 'You can probably find an answer to your question in our %1$shelp center%2$s.', 'wordpress-seo' ), '<a href="https://yoast.com/help/">', '</a>' )
			. ' '
			. sprintf( __( 'If you still need support and have an active subscription for this product, please email %s.', 'wordpress-seo' ), '<a href="mailto:support@yoast.com">support@yoast.com</a>' )
			. '</p>';
	}
}

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