View file File name : sharedaddy.php Content :<?php /** * Jetpack's Sharing feature, nee Sharedaddy. * The most super duper sharing tool on the interwebs. * * @package automattic/jetpack */ // Set up Sharing in wp-admin. require_once plugin_dir_path( __FILE__ ) . 'sharing.php'; /** * Add a meta box to the post editing screen for sharing. * * @return void */ function sharing_add_meta_box() { global $post; if ( empty( $post ) ) { // If a current post is not defined, such as when editing a comment. return; } /** * Filter whether to display the Sharing Meta Box or not. * * @module sharedaddy * * @since 3.8.0 * * @param bool true Display Sharing Meta Box. * @param $post Post. */ if ( ! apply_filters( 'sharing_meta_box_show', true, $post ) ) { return; } $post_types = get_post_types( array( 'public' => true ) ); /** * Filter the Sharing Meta Box title. * * @module sharedaddy * * @since 2.2.0 * * @param string $var Sharing Meta Box title. Default is "Sharing". */ $title = apply_filters( 'sharing_meta_box_title', __( 'Sharing', 'jetpack' ) ); if ( $post->ID !== get_option( 'page_for_posts' ) ) { foreach ( $post_types as $post_type ) { add_meta_box( 'sharing_meta', $title, 'sharing_meta_box_content', $post_type, 'side', 'default', array( '__back_compat_meta_box' => true ) ); } } } /** * Content of the meta box. * * @param WP_Post $post The post to share. * * @return void */ function sharing_meta_box_content( $post ) { /** * Fires before the sharing meta box content. * * @module sharedaddy * * @since 2.2.0 * * @param WP_Post $post The post to share. */ do_action( 'start_sharing_meta_box_content', $post ); $disabled = get_post_meta( $post->ID, 'sharing_disabled', true ); ?> <p> <label for="enable_post_sharing"> <input type="checkbox" name="enable_post_sharing" id="enable_post_sharing" value="1" <?php checked( ! $disabled ); ?>> <?php esc_html_e( 'Show sharing buttons.', 'jetpack' ); ?> </label> <input type="hidden" name="sharing_status_hidden" value="1" /> </p> <?php /** * Fires after the sharing meta box content. * * @module sharedaddy * * @since 2.2.0 * * @param WP_Post $post The post to share. */ do_action( 'end_sharing_meta_box_content', $post ); } /** * Save new sharing status in post meta in the meta box. * * @param int $post_id Post ID. * * @return int */ function sharing_meta_box_save( $post_id ) { if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return $post_id; } if ( ! isset( $_POST['post_type'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Core takes care of the validation. return $post_id; } $post_type_object = get_post_type_object( sanitize_key( $_POST['post_type'] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Core takes care of the validation. // Record sharing disable. if ( $post_type_object->public && current_user_can( 'edit_post', $post_id ) && isset( $_POST['sharing_status_hidden'] ) // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Core takes care of the validation. ) { if ( ! isset( $_POST['enable_post_sharing'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Core takes care of the validation. update_post_meta( $post_id, 'sharing_disabled', 1 ); } else { delete_post_meta( $post_id, 'sharing_disabled' ); } } return $post_id; } /** * If Sharing is disabled, disable the meta box. * * @param bool $protected Whether the key is considered protected. * @param string $meta_key Metadata key. * * @return bool */ function sharing_meta_box_protected( $protected, $meta_key ) { if ( 'sharing_disabled' === $meta_key ) { $protected = true; } return $protected; } add_filter( 'is_protected_meta', 'sharing_meta_box_protected', 10, 2 ); /** * Add link to sharing settings in the Plugins screen. * * @param array $links An array of plugin action links. * * @return array */ function sharing_plugin_settings( $links ) { $settings_link = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>'; array_unshift( $links, $settings_link ); return $links; } /** * Add links to settings and support in the plugin row. * * @param array $links An array of the plugin's metadata, including the version, author, author URI, and plugin URI. * @param string $file Path to the plugin file relative to the plugins directory. * * @return array */ function sharing_add_plugin_settings( $links, $file ) { if ( $file === basename( __DIR__ ) . '/' . basename( __FILE__ ) ) { $links[] = '<a href="options-general.php?page=sharing.php">' . __( 'Settings', 'jetpack' ) . '</a>'; $links[] = '<a href="https://support.wordpress.com/sharing/" rel="noopener noreferrer" target="_blank">' . __( 'Support', 'jetpack' ) . '</a>'; } return $links; } /** * Disable sharing on the frontend if disabled in the admin. * * @return void */ function sharing_init() { if ( Jetpack_Options::get_option_and_ensure_autoload( 'sharedaddy_disable_resources', '0' ) ) { add_filter( 'sharing_js', '__return_false' ); remove_action( 'wp_head', 'sharing_add_header', 1 ); } } /** * Add settings to disable CSS and JS normally enqueued by our feature. * * @return void */ function sharing_global_resources() { $disable = get_option( 'sharedaddy_disable_resources' ); ?> <tr valign="top"> <th scope="row"><label for="disable_css"><?php esc_html_e( 'Disable CSS and JS', 'jetpack' ); ?></label></th> <td> <?php printf( '<input id="disable_css" type="checkbox" name="disable_resources"%1$s /> <small><em>%2$s</em></small>', ( 1 == $disable ) ? ' checked="checked"' : '', // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual esc_html__( 'Advanced. If this option is checked, you must include these files in your theme manually for the sharing links to work.', 'jetpack' ) ); ?> </td> </tr> <?php } /** * Save settings to disable CSS and JS normally enqueued by our feature. * * @return void */ function sharing_global_resources_save() { update_option( 'sharedaddy_disable_resources', isset( $_POST['disable_resources'] ) ? 1 : 0 ); // phpcs:ignore WordPress.Security.NonceVerification.Missing -- nonce handling is handled for all elements at once. } add_action( 'init', 'sharing_init' ); add_action( 'add_meta_boxes', 'sharing_add_meta_box' ); add_action( 'save_post', 'sharing_meta_box_save' ); add_action( 'edit_attachment', 'sharing_meta_box_save' ); add_action( 'sharing_global_options', 'sharing_global_resources', 30 ); add_action( 'sharing_admin_update', 'sharing_global_resources_save' ); add_action( 'plugin_action_links_' . basename( __DIR__ ) . '/' . basename( __FILE__ ), 'sharing_plugin_settings', 10, 4 ); add_filter( 'plugin_row_meta', 'sharing_add_plugin_settings', 10, 2 );