'responsive_lightbox_addons',
'option_group' => 'responsive_lightbox_addons',
'validate' => [ $this, 'validate' ],
'sections' => [
'responsive_lightbox_addons' => [
'title' => __( 'Add-ons / Extensions', 'responsive-lightbox' ),
'callback' => [ __CLASS__, 'render_addons_section' ]
]
],
'fields' => []
];
return $data;
}
/**
* Render Add-ons section content.
*
* @return void
*/
public static function render_addons_section() {
?>
';
if ( $has_feed ) {
echo self::sanitize_addons_html( $addons_html );
} else {
echo ' ' . esc_html__( 'Loading extensions...', 'responsive-lightbox' ) . '
';
}
echo '';
}
/**
* AJAX: Get Add-ons feed HTML.
*
* @return void
*/
public static function ajax_get_addons_feed() {
$rl = Responsive_Lightbox();
$capability = apply_filters( 'rl_lightbox_settings_capability', $rl->options['capabilities']['active'] ? 'edit_lightbox_settings' : 'manage_options' );
if ( ! current_user_can( $capability ) )
wp_send_json_error( [ 'message' => esc_html__( 'You are not allowed to access this data.', 'responsive-lightbox' ) ] );
if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['nonce'] ) ), 'rl_addons_feed' ) )
wp_send_json_error( [ 'message' => esc_html__( 'Invalid request. Please reload the page and try again.', 'responsive-lightbox' ) ] );
$addons_html = self::get_addons_feed_html();
if ( $addons_html === '' )
wp_send_json_error( [ 'message' => esc_html__( 'There was an error retrieving the extensions list from the server. Please try again later.', 'responsive-lightbox' ) ] );
wp_send_json_success( [ 'html' => $addons_html ] );
}
/**
* Get cached Add-ons feed HTML (raw).
*
* @return string
*/
private static function get_cached_addons_feed() {
$addons_html = get_transient( 'responsive_lightbox_addons_feed' );
if ( is_string( $addons_html ) && $addons_html !== '' )
return $addons_html;
return '';
}
/**
* Fetch Add-ons feed HTML (raw) and cache it.
*
* @return string
*/
private static function fetch_addons_feed() {
$feed = wp_remote_get( 'https://www.dfactory.co/?feed=addons&product=responsive-lightbox', [ 'sslverify' => true ] );
if ( is_wp_error( $feed ) )
return '';
$body = wp_remote_retrieve_body( $feed );
if ( ! is_string( $body ) || $body === '' )
return '';
set_transient( 'responsive_lightbox_addons_feed', $body, 120 );
return $body;
}
/**
* Get Add-ons feed HTML (sanitized).
*
* @return string
*/
private static function get_addons_feed_html() {
$addons_html = self::get_cached_addons_feed();
if ( $addons_html === '' )
$addons_html = self::fetch_addons_feed();
if ( $addons_html === '' )
return '';
return self::sanitize_addons_html( $addons_html );
}
/**
* Sanitize Add-ons feed HTML.
*
* @param string $addons_html Raw HTML.
* @return string
*/
private static function sanitize_addons_html( $addons_html ) {
$allowed_html = wp_kses_allowed_html( 'post' );
$allowed_html['img']['srcset'] = [];
$allowed_html['img']['sizes'] = [];
return wp_kses( $addons_html, $allowed_html );
}
}