From 262582373468667d4572208136daaf3071450bcb Mon Sep 17 00:00:00 2001
From: Gerhard Potgieter <potgieterg@gmail.com>
Date: Thu, 16 Aug 2018 14:09:39 +0200
Subject: [PATCH] Add fallback to wp.org plugin info check if the changelog
 check fails, this is for free plugins hosted on .org

---
 ...class-wc-rest-system-status-controller.php | 62 ++++++++++++++-----
 1 file changed, 47 insertions(+), 15 deletions(-)

diff --git a/includes/api/class-wc-rest-system-status-controller.php b/includes/api/class-wc-rest-system-status-controller.php
index 7ab23db7ae9..c828ff4248e 100644
--- a/includes/api/class-wc-rest-system-status-controller.php
+++ b/includes/api/class-wc-rest-system-status-controller.php
@@ -796,21 +796,53 @@ class WC_REST_System_Status_Controller extends WC_REST_Controller {
 				$version_data = get_transient( md5( $plugin ) . '_version_data' );
 				if ( false === $version_data ) {
 					$changelog = wp_safe_remote_get( 'http://dzv365zjfbd8v.cloudfront.net/changelogs/' . $dirname . '/changelog.txt' );
-					$cl_lines  = explode( "\n", wp_remote_retrieve_body( $changelog ) );
-					if ( ! empty( $cl_lines ) ) {
-						foreach ( $cl_lines as $line_num => $cl_line ) {
-							if ( preg_match( '/^[0-9]/', $cl_line ) ) {
-								$date         = str_replace( '.', '-', trim( substr( $cl_line, 0, strpos( $cl_line, '-' ) ) ) );
-								$version      = preg_replace( '~[^0-9,.]~', '', stristr( $cl_line, 'version' ) );
-								$update       = trim( str_replace( '*', '', $cl_lines[ $line_num + 1 ] ) );
-								$version_data = array(
-									'date'      => $date,
-									'version'   => $version,
-									'update'    => $update,
-									'changelog' => $changelog,
-								);
-								set_transient( md5( $plugin ) . '_version_data', $version_data, DAY_IN_SECONDS );
-								break;
+					if ( '200' === wp_remote_retrieve_response_code( $changelog ) ) {
+						$cl_lines = explode( "\n", wp_remote_retrieve_body( $changelog ) );
+						if ( ! empty( $cl_lines ) ) {
+							foreach ( $cl_lines as $line_num => $cl_line ) {
+								if ( preg_match( '/^[0-9]/', $cl_line ) ) {
+									$date         = str_replace( '.', '-', trim( substr( $cl_line, 0, strpos( $cl_line, '-' ) ) ) );
+									$version      = preg_replace( '~[^0-9,.]~', '', stristr( $cl_line, 'version' ) );
+									$update       = trim( str_replace( '*', '', $cl_lines[ $line_num + 1 ] ) );
+									$version_data = array(
+										'date'      => $date,
+										'version'   => $version,
+										'update'    => $update,
+										'changelog' => $changelog,
+									);
+									set_transient( md5( $plugin ) . '_version_data', $version_data, DAY_IN_SECONDS );
+									break;
+								}
+							}
+						}
+					} else {
+						$args    = (object) array(
+							'slug' => $dirname,
+						);
+						$request = array(
+							'action'  => 'plugin_information',
+							'request' => wp_json_encode( $args ),
+						);
+						$plugin_info = wp_safe_remote_post( 'http://api.wordpress.org/plugins/info/1.0/', array( 'body' => $request ) );
+						if ( '200' === wp_remote_retrieve_response_code( $plugin_info ) ) {
+							$body     = wp_remote_retrieve_body( $plugin_info );
+							$cl_lines = explode( "\n", $body->changelog );
+							if ( ! empty( $cl_lines ) ) {
+								foreach ( $cl_lines as $line_num => $cl_line ) {
+									if ( preg_match( '/^[0-9]/', $cl_line ) ) {
+										$date         = $body->last_updated;
+										$version      = $body->version;
+										$update       = trim( str_replace( '*', '', $cl_lines[ $line_num + 1 ] ) );
+										$version_data = array(
+											'date'      => $date,
+											'version'   => $version,
+											'update'    => $update,
+											'changelog' => $body->changelog,
+										);
+										set_transient( md5( $plugin ) . '_version_data', $version_data, DAY_IN_SECONDS );
+										break;
+									}
+								}
 							}
 						}
 					}