From 6d95e535248d91278816e88250cdeb278f6e38c2 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 21 Jun 2018 08:12:11 +0300
Subject: af_readability: check if sanitized content has anything before
 replacing original excerpt af_readability, af_redditimgur: check php version
 before using Readability

---
 plugins/af_readability/init.php | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'plugins/af_readability/init.php')

diff --git a/plugins/af_readability/init.php b/plugins/af_readability/init.php
index 48d9c2e37..d1b165809 100755
--- a/plugins/af_readability/init.php
+++ b/plugins/af_readability/init.php
@@ -29,6 +29,10 @@ class Af_Readability extends Plugin {
 	{
 		$this->host = $host;
 
+		if (version_compare(PHP_VERSION, '5.6.0', '<')) {
+			return;
+		}
+
 		$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
 		$host->add_hook($host::HOOK_PREFS_TAB, $this);
 		$host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this);
@@ -42,6 +46,10 @@ class Af_Readability extends Plugin {
 
 		print "<div dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Readability settings (af_readability)')."\">";
 
+		if (version_compare(PHP_VERSION, '5.6.0', '<')) {
+			print_error("This plugin requires PHP version 5.6.");
+		}
+
 		print_notice("Enable the plugin for specific feeds in the feed editor.");
 
 		print "<form dojoType=\"dijit.form.Form\">";
@@ -201,7 +209,10 @@ class Af_Readability extends Plugin {
 
 		$extracted_content = $this->extract_content($article["link"]);
 
-		if ($extracted_content) {
+		# let's see if there's anything of value in there
+		$content_test = trim(strip_tags(sanitize($extracted_content)));
+
+		if ($content_test) {
 			$article["content"] = $extracted_content;
 		}
 
-- 
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