Add upstream

wp-content/plugins/jetpack/modules/enhanced-distribution.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * Module Name: Enhanced Distribution
+ * Module Description: Increase reach and traffic.
+ * Sort Order: 5
+ * First Introduced: 1.2
+ * Requires Connection: Yes
+ * Auto Activate: Public
+ * Module Tags: Writing
+ * Feature: Engagement
+ * Additional Search Queries: google, seo, firehose, search, broadcast, broadcasting
+ */
+
+// In case it's active prior to upgrading to 1.9
+function jetpack_enhanced_distribution_before_activate_default_modules() {
+	$old_version = Jetpack_Options::get_option( 'old_version' );
+	list( $old_version ) = explode( ':', $old_version );
+
+	if ( version_compare( $old_version, '1.9-something', '>=' ) ) {
+		return;
+	}
+
+	Jetpack::check_privacy( __FILE__ );
+}
+
+add_action( 'jetpack_before_activate_default_modules', 'jetpack_enhanced_distribution_before_activate_default_modules' );
+
+/**
+ * If a request has ?get_freshly_pressed_data=true appended
+ * to the end, then let's provide the necessary data back via JSON.
+ */
+if ( isset( $_GET['get_freshly_pressed_data'] ) ) {
+	add_action( 'template_redirect', 'jetpack_get_freshly_pressed_data' );
+	function jetpack_get_freshly_pressed_data() {
+		if ( is_single() ) {
+			wp_send_json_success( array(
+				'blog_id' => Jetpack_Options::get_option( 'id' ),
+				'post_id' => get_the_ID(),
+			) );
+		} else {
+			wp_send_json_error( array(
+				'message' => 'Not Singular',
+			) );
+		}
+	}
+}
+
+add_action( 'rss_head',  'jetpack_enhanced_distribution_feed_id' );
+add_action( 'rss_item',  'jetpack_enhanced_distribution_post_id' );
+add_action( 'rss2_head', 'jetpack_enhanced_distribution_feed_id' );
+add_action( 'rss2_item', 'jetpack_enhanced_distribution_post_id' );
+
+function jetpack_enhanced_distribution_feed_id(){
+	(int) $id = Jetpack_Options::get_option( 'id' );
+	if ( $id > 0 ) {
+		$output = sprintf( '<site xmlns="com-wordpress:feed-additions:1">%d</site>', $id );
+		echo $output;
+	}
+}
+
+function jetpack_enhanced_distribution_post_id(){
+	$id = get_the_ID();
+	if ( $id ) {
+		$output = sprintf( '<post-id xmlns="com-wordpress:feed-additions:1">%d</post-id>', $id );
+		echo $output;
+	}
+}