From f09a82268f146f0c22a3a38ad0a88e999234fa5d Mon Sep 17 00:00:00 2001
From: Stephen Paul Weber <singpolyma@singpolyma.net>
Date: Sun, 25 Oct 2015 17:30:51 +0000
Subject: [PATCH] Ignore self pings

---
 plugins/Linkback/lib/util.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/plugins/Linkback/lib/util.php b/plugins/Linkback/lib/util.php
index 8f8388a3d2..94f0d992f4 100644
--- a/plugins/Linkback/lib/util.php
+++ b/plugins/Linkback/lib/util.php
@@ -5,6 +5,13 @@ function linkback_lenient_target_match($body, $target) {
 }
 
 function linkback_get_source($source, $target) {
+    // Check if we are pinging ourselves and ignore
+    $localprefix = common_config('site', 'server') . '/' . common_config('site', 'path');
+    if(linkback_lenient_target_match($source, $localprefix)) {
+        common_debug('Ignoring self ping from ' . $source . ' to ' . $target);
+        return NULL;
+    }
+
     $request = HTTPClient::start();
 
     try {