From 223a2d0f7b82662cda01d221b04b232152a94e5c Mon Sep 17 00:00:00 2001
From: Scott Taylor <scott.c.taylor@mac.com>
Date: Thu, 24 Sep 2015 21:22:25 +0000
Subject: [PATCH] Comments: in `check_comment_flood_db()`, don't throttle
 moderators. If the commenter is logged in, check against their `user_id`
 instead of `comment_author_IP`.

Throwback: "If you can edit comments on the post, 'Slow down Cowboy' shouldn't kick in."

Props garyc40, wonderboymusic.
Fixes #16219.

Built from https://develop.svn.wordpress.org/trunk@34522


git-svn-id: http://core.svn.wordpress.org/trunk@34486 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/comment-functions.php | 24 +++++++++++++++++++++---
 wp-includes/version.php           |  2 +-
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/wp-includes/comment-functions.php b/wp-includes/comment-functions.php
index 10d9a803e8..abe8291613 100644
--- a/wp-includes/comment-functions.php
+++ b/wp-includes/comment-functions.php
@@ -688,10 +688,28 @@ function wp_allow_comment( $commentdata ) {
  */
 function check_comment_flood_db( $ip, $email, $date ) {
 	global $wpdb;
-	if ( current_user_can( 'manage_options' ) )
-		return; // don't throttle admins
+	// don't throttle admins or moderators
+	if ( current_user_can( 'manage_options' ) || current_user_can( 'moderate_comments' ) ) {
+		return;
+	}
 	$hour_ago = gmdate( 'Y-m-d H:i:s', time() - HOUR_IN_SECONDS );
-	if ( $lasttime = $wpdb->get_var( $wpdb->prepare( "SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( `comment_author_IP` = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1", $hour_ago, $ip, $email ) ) ) {
+
+	if ( is_user_logged_in() ) {
+		$user = get_current_user_id();
+		$check_column = '`user_id`';
+	} else {
+		$user = $ip;
+		$check_column = '`comment_author_IP`';
+	}
+
+	$sql = $wpdb->prepare(
+		"SELECT `comment_date_gmt` FROM `$wpdb->comments` WHERE `comment_date_gmt` >= %s AND ( $check_column = %s OR `comment_author_email` = %s ) ORDER BY `comment_date_gmt` DESC LIMIT 1",
+		$hour_ago,
+		$user,
+		$email 
+	);
+	$lasttime = $wpdb->get_var( $sql );
+	if ( $lasttime ) {
 		$time_lastcomment = mysql2date('U', $lasttime, false);
 		$time_newcomment  = mysql2date('U', $date, false);
 		/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3273eb0dfa..e8382a2320 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34521';
+$wp_version = '4.4-alpha-34522';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.