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<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin
*/
/**
* Represents the values for a single Yoast Premium extension plugin.
*/
class WPSEO_License_Page_Manager implements WPSEO_WordPress_Integration {
/**
* Version number for License Page Manager.
*
* @var string
*/
const VERSION_LEGACY = '1';
/**
* Version number for License Page Manager.
*
* @var string
*/
const VERSION_BACKWARDS_COMPATIBILITY = '2';
/**
* Registers all hooks to WordPress.
*/
public function register_hooks() {
add_filter( 'http_response', array( $this, 'handle_response' ), 10, 3 );
if ( $this->get_version() === self::VERSION_BACKWARDS_COMPATIBILITY ) {
add_filter( 'yoast-license-valid', '__return_true' );
add_filter( 'yoast-show-license-notice', '__return_false' );
add_action( 'admin_init', array( $this, 'validate_extensions' ), 15 );
}
else {
add_action( 'admin_init', array( $this, 'remove_faulty_notifications' ), 15 );
}
}
/**
* Validates the extensions and show a notice for the invalid extensions.
*/
public function validate_extensions() {
if ( filter_input( INPUT_GET, 'page' ) === WPSEO_Admin::PAGE_IDENTIFIER ) {
/**
* Filter: 'yoast-active-extensions' - Collects all active extensions. This hook is implemented in the
* license manager.
*
* @api array $extensions The array with extensions.
*/
apply_filters( 'yoast-active-extensions', array() );
}
$extension_list = new WPSEO_Extensions();
$extensions = $extension_list->get();
$notification_center = Yoast_Notification_Center::get();
foreach ( $extensions as $product_name ) {
$notification = $this->create_notification( $product_name );
// Add a notification when the installed plugin isn't activated in My Yoast.
if ( $extension_list->is_installed( $product_name ) && ! $extension_list->is_valid( $product_name ) ) {
$notification_center->add_notification( $notification );
continue;
}
$notification_center->remove_notification( $notification );
}
}
/**
* Removes the faulty set notifications.
*/
public function remove_faulty_notifications() {
$extension_list = new WPSEO_Extensions();
$extensions = $extension_list->get();
$notification_center = Yoast_Notification_Center::get();
foreach ( $extensions as $product_name ) {
$notification = $this->create_notification( $product_name );
$notification_center->remove_notification( $notification );
}
}
/**
* Handles the response.
*
* @param array $response HTTP response.
* @param array $request_arguments HTTP request arguments. Unused.
* @param string $url The request URL.
*
* @return array The response array.
*/
public function handle_response( array $response, $request_arguments, $url ) {
$response_code = wp_remote_retrieve_response_code( $response );
if ( $response_code === 200 && $this->is_expected_endpoint( $url ) ) {
$response_data = $this->parse_response( $response );
$this->detect_version( $response_data );
}
return $response;
}
/**
* Returns the license page to use based on the version number.
*
* @return string The page to use.
*/
public function get_license_page() {
return 'licenses';
}
/**
* Returns the version number of the license server.
*
* @return int The version number
*/
protected function get_version() {
return get_option( $this->get_option_name(), self::VERSION_BACKWARDS_COMPATIBILITY );
}
/**
* Returns the option name.
*
* @return string The option name.
*/
protected function get_option_name() {
return 'wpseo_license_server_version';
}
/**
* Sets the version when there is a value in the response.
*
* @param array $response The response to extract the version from.
*/
protected function detect_version( $response ) {
if ( ! empty( $response['serverVersion'] ) ) {
$this->set_version( $response['serverVersion'] );
}
}
/**
* Sets the version.
*
* @param string $server_version The version number to save.
*/
protected function set_version( $server_version ) {
update_option( $this->get_option_name(), $server_version );
}
/**
* Parses the response by getting its body and do a unserialize of it.
*
* @param array $response The response to parse.
*
* @return mixed|string|false The parsed response.
*/
protected function parse_response( $response ) {
$response = json_decode( wp_remote_retrieve_body( $response ), true );
$response = maybe_unserialize( $response );
return $response;
}
/**
* Checks if the given url matches the expected endpoint.
*
* @param string $url The url to check.
*
* @return bool True when url matches the endpoint.
*/
protected function is_expected_endpoint( $url ) {
$url_parts = wp_parse_url( $url );
$is_yoast_com = ( in_array( $url_parts['host'], array( 'yoast.com', 'my.yoast.com' ), true ) );
$is_edd_api = ( isset( $url_parts['path'] ) && $url_parts['path'] === '/edd-sl-api' );
return $is_yoast_com && $is_edd_api;
}
/**
* Creates an instance of Yoast_Notification.
*
* @param string $product_name The product to create the notification for.
*
* @return Yoast_Notification The created notification.
*/
protected function create_notification( $product_name ) {
$notification_options = array(
'type' => Yoast_Notification::ERROR,
'id' => 'wpseo-dismiss-' . sanitize_title_with_dashes( $product_name, null, 'save' ),
'capabilities' => 'wpseo_manage_options',
);
$notification = new Yoast_Notification(
sprintf(
/* translators: %1$s expands to the product name. %2$s expands to a link to My Yoast */
__( 'You are not receiving updates or support! Fix this problem by adding this site and enabling %1$s for it in %2$s.', 'wordpress-seo' ),
$product_name,
'<a href="' . WPSEO_Shortlinker::get( 'https://yoa.st/13j' ) . '" target="_blank">My Yoast</a>'
),
$notification_options
);
return $notification;
}
}
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