From dff94f6369daefe7561d367fef8a9c75871da771 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.spb.ru>
Date: Wed, 10 Oct 2007 08:29:43 +0100
Subject: [PATCH] add new option: ENABLE_TAGWALL

---
 config.php-dist  |  9 ++++++++-
 functions.php    | 23 ++++++++++++++++-------
 sanity_check.php |  2 +-
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/config.php-dist b/config.php-dist
index 9060ccaaf..b93143711 100644
--- a/config.php-dist
+++ b/config.php-dist
@@ -163,7 +163,14 @@
 	// These two options enable SMTP authentication when sending
 	// digests. Require DIGEST_SMTP_HOST.
 
-	define('CONFIG_VERSION', 9);
+	define('ENABLE_TAGWALL', true);
+	// Disable this if you are having troubles with Tagwall library which
+	// is used to strip potentially unsafe content from RSS articles. When
+	// disabled, simpler version of processing will be used when needed.
+	// Try disabling when having problems with showing articles and/or 
+	// loading feeds.
+
+	define('CONFIG_VERSION', 10);
 	// Expected config version. Please update this option in config.php
 	// if necessary (after migrating all new options from this file).
 
diff --git a/functions.php b/functions.php
index ea991269d..f87491d61 100644
--- a/functions.php
+++ b/functions.php
@@ -73,11 +73,13 @@
 		require_once 'magpierss/rss_utils.inc';
 	}
 
-	include_once "tw/tw-config.php";
-	include_once "tw/tw.php";
-	include_once TW_SETUP . "paranoya.php";
+	if (ENABLE_TAGWALL) {
+		include_once "tw/tw-config.php";
+		include_once "tw/tw.php";
+		include_once TW_SETUP . "paranoya.php";
 
-	$tw_parser = new twParser();
+		$tw_parser = new twParser();
+	}
 
 	function _debug($msg) {
 		$ts = strftime("%H:%M:%S", time());
@@ -3169,10 +3171,17 @@
 		$res = $str;
 
 		if (get_pref($link, "STRIP_UNSAFE_TAGS") || $force_strip_tags) {
-			global $tw_parser;
-			global $tw_paranoya_setup;
 
-			$res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
+			if (ENABLE_TAGWALL) {
+				global $tw_parser;
+				global $tw_paranoya_setup;
+
+				$res = $tw_parser->strip_tags($res, $tw_paranoya_setup);
+			} else {
+
+				$res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");			
+
+			}
 
 //			$res = preg_replace("/\r\n|\n|\r/", "", $res);
 //			$res = strip_tags_long($res, "<p><a><i><em><b><strong><blockquote><br><img><div><span>");			
diff --git a/sanity_check.php b/sanity_check.php
index 04f717ff9..58baf7c30 100644
--- a/sanity_check.php
+++ b/sanity_check.php
@@ -1,7 +1,7 @@
 <?php
 	require_once "functions.php";
 
-	define('EXPECTED_CONFIG_VERSION', 9);
+	define('EXPECTED_CONFIG_VERSION', 10);
 	define('SCHEMA_VERSION', 23);
 
 	if (!file_exists("config.php")) {