From 3a142cbf58b927a7e0d7ac07922e19ee73440eef Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Sun, 17 May 2020 17:42:37 +0300
Subject: calculate_article_hash: ignore some useless or read-only fields (i.e.
 GUID) when calculating hash

---
 classes/rssutils.php | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'classes')

diff --git a/classes/rssutils.php b/classes/rssutils.php
index dc00510b5..72d85403e 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -3,7 +3,12 @@ class RSSUtils {
 	static function calculate_article_hash($article, $pluginhost) {
 		$tmp = "";
 
+		$ignored_fields = [ "feed", "guid", "guid_hashed", "owner_uid", "force_catchup" ];
+
 		foreach ($article as $k => $v) {
+			if (in_array($k, $ignored_fields))
+				continue;
+
 			if ($k != "feed" && isset($v)) {
 				$x = strip_tags(is_array($v) ? implode(",", $v) : $v);
 
@@ -11,6 +16,8 @@ class RSSUtils {
 			}
 		}
 
+		die;
+
 		return sha1(implode(",", $pluginhost->get_plugin_names()) . $tmp);
 	}
 
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