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Diffstat (limited to 'plugins/jetpack/modules/sharedaddy/sharing.php')
-rw-r--r--plugins/jetpack/modules/sharedaddy/sharing.php638
1 files changed, 638 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/sharedaddy/sharing.php b/plugins/jetpack/modules/sharedaddy/sharing.php
new file mode 100644
index 00000000..49df892b
--- /dev/null
+++ b/plugins/jetpack/modules/sharedaddy/sharing.php
@@ -0,0 +1,638 @@
+<?php
+if ( ! defined( 'WP_SHARING_PLUGIN_URL' ) ) {
+ define( 'WP_SHARING_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
+ define( 'WP_SHARING_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
+}
+
+class Sharing_Admin {
+ public function __construct() {
+ require_once WP_SHARING_PLUGIN_DIR . 'sharing-service.php';
+
+ add_action( 'admin_init', array( &$this, 'admin_init' ) );
+ add_action( 'admin_menu', array( &$this, 'subscription_menu' ) );
+
+ // Insert our CSS and JS
+ add_action( 'load-settings_page_sharing', array( &$this, 'sharing_head' ) );
+
+ // Catch AJAX
+ add_action( 'wp_ajax_sharing_save_services', array( &$this, 'ajax_save_services' ) );
+ add_action( 'wp_ajax_sharing_save_options', array( &$this, 'ajax_save_options' ) );
+ add_action( 'wp_ajax_sharing_new_service', array( &$this, 'ajax_new_service' ) );
+ add_action( 'wp_ajax_sharing_delete_service', array( &$this, 'ajax_delete_service' ) );
+ }
+
+ public function sharing_head() {
+ wp_enqueue_script(
+ 'sharing-js',
+ Jetpack::get_file_url_for_environment(
+ '_inc/build/sharedaddy/admin-sharing.min.js',
+ 'modules/sharedaddy/admin-sharing.js'
+ ),
+ array( 'jquery-ui-draggable', 'jquery-ui-droppable', 'jquery-ui-sortable', 'jquery-form' ),
+ 2
+ );
+
+ /**
+ * Filters the switch that if set to true allows Jetpack to use minified assets. Defaults to true
+ * if the SCRIPT_DEBUG constant is not set or set to false. The filter overrides it.
+ *
+ * @since 6.2.0
+ *
+ * @param boolean $var should Jetpack use minified assets.
+ */
+ $postfix = apply_filters( 'jetpack_should_use_minified_assets', true ) ? '.min' : '';
+ if ( is_rtl() ) {
+ wp_enqueue_style( 'sharing-admin', WP_SHARING_PLUGIN_URL . 'admin-sharing-rtl' . $postfix . '.css', false, JETPACK__VERSION );
+ } else {
+ wp_enqueue_style( 'sharing-admin', WP_SHARING_PLUGIN_URL . 'admin-sharing' . $postfix . '.css', false, JETPACK__VERSION );
+ }
+ wp_enqueue_style( 'sharing', WP_SHARING_PLUGIN_URL . 'sharing.css', false, JETPACK__VERSION );
+
+ wp_enqueue_style( 'social-logos' );
+ wp_enqueue_script( 'sharing-js-fe', WP_SHARING_PLUGIN_URL . 'sharing.js', array(), 4 );
+ add_thickbox();
+
+ // On Jetpack sites, make sure we include CSS to style the admin page.
+ if ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) {
+ Jetpack_Admin_Page::load_wrapper_styles();
+ }
+ }
+
+ public function admin_init() {
+ if ( isset( $_GET['page'] ) && ( $_GET['page'] == 'sharing.php' || $_GET['page'] == 'sharing' ) ) {
+ $this->process_requests();
+ }
+ }
+
+ public function process_requests() {
+ if ( isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options' ) ) {
+ $sharer = new Sharing_Service();
+ $sharer->set_global_options( $_POST );
+ /**
+ * Fires when updating sharing settings.
+ *
+ * @module sharedaddy
+ *
+ * @since 1.1.0
+ */
+ do_action( 'sharing_admin_update' );
+
+ wp_safe_redirect( admin_url( 'options-general.php?page=sharing&update=saved' ) );
+ die();
+ }
+ }
+
+ public function subscription_menu( $user ) {
+ if ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) {
+ $active = Jetpack::get_active_modules();
+ if ( ! in_array( 'publicize', $active ) && ! current_user_can( 'manage_options' ) ) {
+ return;
+ }
+ }
+
+ add_submenu_page(
+ 'options-general.php',
+ __( 'Sharing Settings', 'jetpack' ),
+ __( 'Sharing', 'jetpack' ),
+ 'publish_posts',
+ 'sharing',
+ array( &$this, 'wrapper_admin_page' )
+ );
+ }
+
+ public function ajax_save_services() {
+ if ( isset( $_POST['_wpnonce'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options' ) && isset( $_POST['hidden'] ) && isset( $_POST['visible'] ) ) {
+ $sharer = new Sharing_Service();
+
+ $sharer->set_blog_services( explode( ',', $_POST['visible'] ), explode( ',', $_POST['hidden'] ) );
+ die();
+ }
+ }
+
+ public function ajax_new_service() {
+ if ( isset( $_POST['_wpnonce'] ) && isset( $_POST['sharing_name'] ) && isset( $_POST['sharing_url'] ) && isset( $_POST['sharing_icon'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-new_service' ) ) {
+ $sharer = new Sharing_Service();
+ if ( $service = $sharer->new_service( stripslashes( $_POST['sharing_name'] ), stripslashes( $_POST['sharing_url'] ), stripslashes( $_POST['sharing_icon'] ) ) ) {
+ $this->output_service( $service->get_id(), $service );
+ echo '<!--->';
+ $service->button_style = 'icon-text';
+ $this->output_preview( $service );
+
+ die();
+ }
+ }
+
+ // Fail
+ die( '1' );
+ }
+
+ public function ajax_delete_service() {
+ if ( isset( $_POST['_wpnonce'] ) && isset( $_POST['service'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options_' . $_POST['service'] ) ) {
+ $sharer = new Sharing_Service();
+ $sharer->delete_service( $_POST['service'] );
+ }
+ }
+
+ public function ajax_save_options() {
+ if ( isset( $_POST['_wpnonce'] ) && isset( $_POST['service'] ) && wp_verify_nonce( $_POST['_wpnonce'], 'sharing-options_' . $_POST['service'] ) ) {
+ $sharer = new Sharing_Service();
+ $service = $sharer->get_service( $_POST['service'] );
+
+ if ( $service && $service instanceof Sharing_Advanced_Source ) {
+ $service->update_options( $_POST );
+
+ $sharer->set_service( $_POST['service'], $service );
+ }
+
+ $this->output_service( $service->get_id(), $service, true );
+ echo '<!--->';
+ $service->button_style = 'icon-text';
+ $this->output_preview( $service );
+ die();
+ }
+ }
+
+ public function output_preview( $service ) {
+
+ $klasses = array( 'advanced', 'preview-item' );
+
+ if ( $service->button_style != 'text' || $service->has_custom_button_style() ) {
+ $klasses[] = 'preview-' . $service->get_class();
+ $klasses[] = 'share-' . $service->get_class();
+ if ( $service->is_deprecated() ) {
+ $klasses[] = 'share-deprecated';
+ }
+
+ if ( $service->get_class() != $service->get_id() ) {
+ $klasses[] = 'preview-' . $service->get_id();
+ }
+ }
+
+ echo '<li class="' . implode( ' ', $klasses ) . '">';
+ $service->display_preview();
+ echo '</li>';
+ }
+
+ public function output_service( $id, $service, $show_dropdown = false ) {
+ $title = '';
+ $klasses = array( 'service', 'advanced', 'share-' . $service->get_class() );
+ if ( $service->is_deprecated() ) {
+ $title = sprintf( __( 'The %1$s service has shut down. This sharing button is not displayed to your visitors and should be removed.', 'jetpack' ), $service->get_name() );
+ $klasses[] = 'share-deprecated';
+ }
+
+?>
+ <li class="<?php echo implode( ' ', $klasses ); ?>" id="<?php echo $service->get_id(); ?>" tabindex="0" title="<?php echo esc_attr( $title ); ?>">
+ <span class="options-left"><?php echo esc_html( $service->get_name() ); ?></span>
+ <?php if ( 0 === strpos( $service->get_id(), 'custom-' ) || $service->has_advanced_options() ) : ?>
+ <span class="close"><a href="#" class="remove">&times;</a></span>
+ <form method="post" action="<?php echo admin_url( 'admin-ajax.php' ); ?>">
+ <input type="hidden" name="action" value="sharing_delete_service" />
+ <input type="hidden" name="service" value="<?php echo esc_attr( $id ); ?>" />
+ <input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce( 'sharing-options_' . $id );?>" />
+ </form>
+ <?php endif; ?>
+ </li>
+<?php
+ }
+
+ public function wrapper_admin_page() {
+ Jetpack_Admin_Page::wrap_ui( array( &$this, 'management_page' ), array( 'is-wide' =>true ) );
+ }
+
+ public function management_page() {
+ $sharer = new Sharing_Service();
+ $enabled = $sharer->get_blog_services();
+ $global = $sharer->get_global_options();
+
+ $shows = array_values( get_post_types( array( 'public' => true ) ) );
+ array_unshift( $shows, 'index' );
+
+ if ( false == function_exists( 'mb_stripos' ) ) {
+ echo '<div id="message" class="updated fade"><h3>' . __( 'Warning! Multibyte support missing!', 'jetpack' ) . '</h3>';
+ echo '<p>' . sprintf( __( 'This plugin will work without it, but multibyte support is used <a href="%s" rel="noopener noreferrer" target="_blank">if available</a>. You may see minor problems with Tweets and other sharing services.', 'jetpack' ), 'http://www.php.net/manual/en/mbstring.installation.php' ) . '</p></div>';
+ }
+
+ if ( isset( $_GET['update'] ) && $_GET['update'] == 'saved' ) {
+ echo '<div class="updated"><p>' . __( 'Settings have been saved', 'jetpack' ) . '</p></div>';
+ }
+
+ if ( ! isset( $global['sharing_label'] ) ) {
+ $global['sharing_label'] = __( 'Share this:', 'jetpack' );
+ }
+?>
+
+ <div class="wrap">
+ <div class="icon32" id="icon-options-general"><br /></div>
+ <h1><?php _e( 'Sharing Settings', 'jetpack' ); ?></h1>
+
+ <?php
+ /**
+ * Fires at the top of the admin sharing settings screen.
+ *
+ * @module sharedaddy
+ *
+ * @since 1.6.0
+ */
+ do_action( 'pre_admin_screen_sharing' );
+ ?>
+
+ <?php if ( current_user_can( 'manage_options' ) ) : ?>
+
+ <div class="share_manage_options">
+ <h2><?php _e( 'Sharing Buttons', 'jetpack' ) ?></h2>
+ <p><?php _e( 'Add sharing buttons to your blog and allow your visitors to share posts with their friends.', 'jetpack' ) ?></p>
+
+ <div id="services-config">
+ <table id="available-services">
+ <tr>
+ <td class="description">
+ <h3><?php _e( 'Available Services', 'jetpack' ); ?></h3>
+ <p><?php _e( "Drag and drop the services you'd like to enable into the box below.", 'jetpack' ); ?></p>
+ <p><a href="#TB_inline?height=395&amp;width=600&amp;inlineId=new-service" class="thickbox" id="add-a-new-service"><?php _e( 'Add a new service', 'jetpack' ); ?></a></p>
+ </td>
+ <td class="services">
+ <ul class="services-available" style="height: 100px;">
+ <?php foreach ( $sharer->get_all_services_blog() as $id => $service ) : ?>
+ <?php
+ if ( ! isset( $enabled['all'][ $id ] ) ) {
+ $this->output_service( $id, $service );
+ }
+ ?>
+ <?php endforeach; ?>
+ </ul>
+ <?php
+ if ( -1 == get_option( 'blog_public' ) ) {
+ echo '<p><strong>' . __( 'Please note that your services have been restricted because your site is private.', 'jetpack' ) . '</strong></p>';
+ }
+ ?>
+ <br class="clearing" />
+ </td>
+ </tr>
+ </table>
+
+ <table id="enabled-services">
+ <tr>
+ <td class="description">
+ <h3>
+ <?php _e( 'Enabled Services', 'jetpack' ); ?>
+ <img src="<?php echo admin_url( 'images/loading.gif' ); ?>" width="16" height="16" alt="loading" style="vertical-align: middle; display: none" />
+ </h3>
+ <p><?php _e( 'Services dragged here will appear individually.', 'jetpack' ); ?></p>
+ </td>
+ <td class="services" id="share-drop-target">
+ <h2 id="drag-instructions" <?php if ( count( $enabled['visible'] ) > 0 ) { echo ' style="display: none"';} ?>><?php _e( 'Drag and drop available services here.', 'jetpack' ); ?></h2>
+
+ <ul class="services-enabled">
+ <?php foreach ( $enabled['visible'] as $id => $service ) : ?>
+ <?php $this->output_service( $id, $service, true ); ?>
+ <?php endforeach; ?>
+
+ <li class="end-fix"></li>
+ </ul>
+ </td>
+ <td id="hidden-drop-target" class="services">
+ <p><?php _e( 'Services dragged here will be hidden behind a share button.', 'jetpack' ); ?></p>
+
+ <ul class="services-hidden">
+ <?php foreach ( $enabled['hidden'] as $id => $service ) : ?>
+ <?php $this->output_service( $id, $service, true ); ?>
+ <?php endforeach; ?>
+ <li class="end-fix"></li>
+ </ul>
+ </td>
+ </tr>
+ </table>
+
+ <table id="live-preview">
+ <tr>
+ <td class="description">
+ <h3><?php _e( 'Live Preview', 'jetpack' ); ?></h3>
+ </td>
+ <td class="services">
+ <h2 <?php echo ( count( $enabled['all'] ) > 0 ) ? ' style="display: none"' : ''; ?>><?php _e( 'Sharing is off. Add services above to enable.', 'jetpack' ); ?></h2>
+ <div class="sharedaddy sd-sharing-enabled">
+ <?php if ( count( $enabled['all'] ) > 0 ) : ?>
+ <h3 class="sd-title"><?php echo esc_html( $global['sharing_label'] ); ?></h3>
+ <?php endif; ?>
+ <div class="sd-content">
+ <ul class="preview">
+ <?php foreach ( $enabled['visible'] as $id => $service ) : ?>
+ <?php $this->output_preview( $service ); ?>
+ <?php endforeach; ?>
+
+ <?php if ( count( $enabled['hidden'] ) > 0 ) : ?>
+ <li class="advanced"><a href="#" class="sharing-anchor sd-button share-more"><span><?php _e( 'More', 'jetpack' ); ?></span></a></li>
+ <?php endif; ?>
+ </ul>
+
+ <?php if ( count( $enabled['hidden'] ) > 0 ) : ?>
+ <div class="sharing-hidden">
+ <div class="inner" style="display: none; <?php echo count( $enabled['hidden'] ) == 1 ? 'width:150px;' : ''; ?>">
+ <?php if ( count( $enabled['hidden'] ) == 1 ) : ?>
+ <ul style="background-image:none;">
+ <?php else : ?>
+ <ul>
+ <?php endif; ?>
+
+ <?php
+ foreach ( $enabled['hidden'] as $id => $service ) {
+ $this->output_preview( $service );
+ }
+ ?>
+ </ul>
+ </div>
+ </div>
+ <?php endif; ?>
+
+ <ul class="archive" style="display:none;">
+ <?php
+ foreach ( $sharer->get_all_services_blog() as $id => $service ) :
+ if ( isset( $enabled['visible'][ $id ] ) ) {
+ $service = $enabled['visible'][ $id ];
+ } elseif ( isset( $enabled['hidden'][ $id ] ) ) {
+ $service = $enabled['hidden'][ $id ];
+ }
+
+ $service->button_style = 'icon-text'; // The archive needs the full text, which is removed in JS later
+ $service->smart = false;
+ $this->output_preview( $service );
+ endforeach; ?>
+ <li class="advanced"><a href="#" class="sharing-anchor sd-button share-more"><span><?php _e( 'More', 'jetpack' ); ?></span></a></li>
+ </ul>
+ </div>
+ </div>
+ <br class="clearing" />
+ </td>
+ </tr>
+ </table>
+
+ <form method="post" action="<?php echo admin_url( 'admin-ajax.php' ); ?>" id="save-enabled-shares">
+ <input type="hidden" name="action" value="sharing_save_services" />
+ <input type="hidden" name="visible" value="<?php echo implode( ',', array_keys( $enabled['visible'] ) ); ?>" />
+ <input type="hidden" name="hidden" value="<?php echo implode( ',', array_keys( $enabled['hidden'] ) ); ?>" />
+ <input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce( 'sharing-options' );?>" />
+ </form>
+ </div>
+
+ <form method="post" action="">
+ <table class="form-table">
+ <tbody>
+ <tr valign="top">
+ <th scope="row"><label><?php _e( 'Button style', 'jetpack' ); ?></label></th>
+ <td>
+ <select name="button_style" id="button_style">
+ <option<?php echo ( $global['button_style'] == 'icon-text' ) ? ' selected="selected"' : ''; ?> value="icon-text"><?php _e( 'Icon + text', 'jetpack' ); ?></option>
+ <option<?php echo ( $global['button_style'] == 'icon' ) ? ' selected="selected"' : ''; ?> value="icon"><?php _e( 'Icon only', 'jetpack' ); ?></option>
+ <option<?php echo ( $global['button_style'] == 'text' ) ? ' selected="selected"' : ''; ?> value="text"><?php _e( 'Text only', 'jetpack' ); ?></option>
+ <option<?php echo ( $global['button_style'] == 'official' ) ? ' selected="selected"' : ''; ?> value="official"><?php _e( 'Official buttons', 'jetpack' ); ?></option>
+ </select>
+ </td>
+ </tr>
+ <tr valign="top">
+ <th scope="row"><label><?php _e( 'Sharing label', 'jetpack' ); ?></label></th>
+ <td>
+ <input type="text" name="sharing_label" value="<?php echo esc_attr( $global['sharing_label'] ); ?>" />
+ </td>
+ </tr>
+ <?php
+ /**
+ * Filters the HTML at the beginning of the "Show button on" row.
+ *
+ * @module sharedaddy
+ *
+ * @since 2.1.0
+ *
+ * @param string $var Opening HTML tag at the beginning of the "Show button on" row.
+ */
+ echo apply_filters( 'sharing_show_buttons_on_row_start', '<tr valign="top">' );
+ ?>
+ <th scope="row"><label><?php _e( 'Show buttons on', 'jetpack' ); ?></label></th>
+ <td>
+ <?php
+ $br = false;
+ foreach ( $shows as $show ) :
+ if ( 'index' == $show ) {
+ $label = __( 'Front Page, Archive Pages, and Search Results', 'jetpack' );
+ } else {
+ $post_type_object = get_post_type_object( $show );
+ $label = $post_type_object->labels->name;
+ }
+ ?>
+ <?php
+ if ( $br ) {
+ echo '<br />';
+ }
+ ?>
+ <label><input type="checkbox"<?php checked( in_array( $show, $global['show'] ) ); ?> name="show[]" value="<?php echo esc_attr( $show ); ?>" /> <?php echo esc_html( $label ); ?></label>
+ <?php
+ $br = true;
+ endforeach;
+ ?>
+ </td>
+ <?php
+ /**
+ * Filters the HTML at the end of the "Show button on" row.
+ *
+ * @module sharedaddy
+ *
+ * @since 2.1.0
+ *
+ * @param string $var Closing HTML tag at the end of the "Show button on" row.
+ */
+ echo apply_filters( 'sharing_show_buttons_on_row_end', '</tr>' );
+ ?>
+
+ <?php
+ /**
+ * Fires at the end of the sharing global options settings table.
+ *
+ * @module sharedaddy
+ *
+ * @since 1.1.0
+ */
+ do_action( 'sharing_global_options' );
+ ?>
+ </tbody>
+ </table>
+
+ <p class="submit">
+ <input type="submit" name="submit" class="button-primary" value="<?php esc_attr_e( 'Save Changes', 'jetpack' ); ?>" />
+ </p>
+
+ <input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce( 'sharing-options' );?>" />
+ </form>
+
+ <div id="new-service" style="display: none">
+ <form method="post" action="<?php echo admin_url( 'admin-ajax.php' ); ?>" id="new-service-form">
+ <table class="form-table">
+ <tbody>
+ <tr valign="top">
+ <th scope="row" width="100"><label><?php _e( 'Service name', 'jetpack' ); ?></label></th>
+ <td>
+ <input type="text" name="sharing_name" id="new_sharing_name" size="40" />
+ </td>
+ </tr>
+ <tr valign="top">
+ <th scope="row" width="100"><label><?php _e( 'Sharing URL', 'jetpack' ); ?></label></th>
+ <td>
+ <input type="text" name="sharing_url" id="new_sharing_url" size="40" />
+
+ <p><?php _e( 'You can add the following variables to your service sharing URL:', 'jetpack' ); ?><br/>
+ <code>%post_id%</code>, <code>%post_title%</code>, <code>%post_slug%</code>, <code>%post_url%</code>, <code>%post_full_url%</code>, <code>%post_excerpt%</code>, <code>%post_tags%</code>, <code>%home_url%</code></p>
+ </td>
+ </tr>
+ <tr valign="top">
+ <th scope="row" width="100"><label><?php _e( 'Icon URL', 'jetpack' ); ?></label></th>
+ <td>
+ <input type="text" name="sharing_icon" id="new_sharing_icon" size="40" />
+ <p><?php _e( 'Enter the URL of a 16x16px icon you want to use for this service.', 'jetpack' ); ?></p>
+ </td>
+ </tr>
+ <tr valign="top" width="100">
+ <th scope="row"></th>
+ <td>
+ <input type="submit" class="button-primary" value="<?php esc_attr_e( 'Create Share Button', 'jetpack' ); ?>" />
+ <img src="<?php echo admin_url( 'images/loading.gif' ); ?>" width="16" height="16" alt="loading" style="vertical-align: middle; display: none" />
+ </td>
+ </tr>
+
+ <?php
+ /**
+ * Fires after the custom sharing service form
+ *
+ * @module sharedaddy
+ *
+ * @since 1.1.0
+ */
+ do_action( 'sharing_new_service_form' );
+ ?>
+ </tbody>
+ </table>
+
+ <?php
+ /**
+ * Fires at the bottom of the admin sharing settings screen.
+ *
+ * @module sharedaddy
+ *
+ * @since 1.6.0
+ */
+ do_action( 'post_admin_screen_sharing' );
+ ?>
+
+ <div class="inerror" style="display: none; margin-top: 15px">
+ <p><?php _e( 'An error occurred creating your new sharing service - please check you gave valid details.', 'jetpack' ); ?></p>
+ </div>
+
+ <input type="hidden" name="action" value="sharing_new_service" />
+ <input type="hidden" name="_wpnonce" value="<?php echo wp_create_nonce( 'sharing-new_service' );?>" />
+ </form>
+ </div>
+ </div>
+
+ <?php endif; ?>
+
+
+ </div>
+
+ <script type="text/javascript">
+ var sharing_loading_icon = '<?php echo esc_js( admin_url( '/images/loading.gif' ) ); ?>';
+ <?php if ( isset( $_GET['create_new_service'] ) && 'true' == $_GET['create_new_service'] ) : ?>
+ jQuery(document).ready(function() {
+ // Prefill new service box and then open it
+ jQuery( '#new_sharing_name' ).val( '<?php echo esc_js( $_GET['name'] ); ?>' );
+ jQuery( '#new_sharing_url' ).val( '<?php echo esc_js( $_GET['url'] ); ?>' );
+ jQuery( '#new_sharing_icon' ).val( '<?php echo esc_js( $_GET['icon'] ); ?>' );
+ jQuery( '#add-a-new-service' ).click();
+ });
+ <?php endif; ?>
+ </script>
+<?php
+ }
+}
+
+/**
+ * Callback to get the value for the jetpack_sharing_enabled field.
+ *
+ * When the sharing_disabled post_meta is unset, we follow the global setting in Sharing.
+ * When it is set to 1, we disable sharing on the post, regardless of the global setting.
+ * It is not possible to enable sharing on a post if it is disabled globally.
+ */
+function jetpack_post_sharing_get_value( array $post ) {
+ // if sharing IS disabled on this post, enabled=false, so negate the meta
+ return (bool) ! get_post_meta( $post['id'], 'sharing_disabled', true );
+}
+
+/**
+ * Callback to set sharing_disabled post_meta when the
+ * jetpack_sharing_enabled field is updated.
+ *
+ * When the sharing_disabled post_meta is unset, we follow the global setting in Sharing.
+ * When it is set to 1, we disable sharing on the post, regardless of the global setting.
+ * It is not possible to enable sharing on a post if it is disabled globally.
+ *
+ */
+function jetpack_post_sharing_update_value( $enable_sharing, $post_object ) {
+ if ( $enable_sharing ) {
+ // delete the override if we want to enable sharing
+ return delete_post_meta( $post_object->ID, 'sharing_disabled' );
+ } else {
+ return update_post_meta( $post_object->ID, 'sharing_disabled', true );
+ }
+}
+
+/**
+ * Add Sharing post_meta to the REST API Post response.
+ *
+ * @action rest_api_init
+ * @uses register_rest_field
+ * @link https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/
+ */
+function jetpack_post_sharing_register_rest_field() {
+ $post_types = get_post_types( array( 'public' => true ) );
+ foreach ( $post_types as $post_type ) {
+ register_rest_field(
+ $post_type,
+ 'jetpack_sharing_enabled',
+ array(
+ 'get_callback' => 'jetpack_post_sharing_get_value',
+ 'update_callback' => 'jetpack_post_sharing_update_value',
+ 'schema' => array(
+ 'description' => __( 'Are sharing buttons enabled?', 'jetpack' ),
+ 'type' => 'boolean',
+ ),
+ )
+ );
+
+ /**
+ * Ensures all public internal post-types support `sharing`
+ * This feature support flag is used by the REST API and Gutenberg.
+ */
+ add_post_type_support( $post_type, 'jetpack-sharing-buttons' );
+ }
+}
+
+// Add Sharing post_meta to the REST API Post response.
+add_action( 'rest_api_init', 'jetpack_post_sharing_register_rest_field' );
+
+// Some CPTs (e.g. Jetpack portfolios and testimonials) get registered with
+// restapi_theme_init because they depend on theme support, so let's also hook to that
+add_action( 'restapi_theme_init', 'jetpack_post_likes_register_rest_field', 20 );
+
+function sharing_admin_init() {
+ global $sharing_admin;
+
+ $sharing_admin = new Sharing_Admin();
+}
+
+/**
+ * Set the Likes and Sharing Gutenberg extension as available
+ */
+function jetpack_sharing_set_extension_availability() {
+ Jetpack_Gutenberg::set_extension_available( 'sharing' );
+}
+
+add_action( 'jetpack_register_gutenberg_extensions', 'jetpack_sharing_set_extension_availability' );
+
+add_action( 'init', 'sharing_admin_init' );