From 19e509d997494f7c5c3688de844f2f1ba7c85696 Mon Sep 17 00:00:00 2001
From: Mario Vavti <mario@mariovavti.com>
Date: Thu, 7 Jun 2018 22:45:07 +0200
Subject: escape query string

(cherry picked from commit b3928f3d2a7c4c77df5ceba6fc29cbfcbe067dff)
---
 Zotlabs/Module/Connections.php     | 2 +-
 Zotlabs/Module/Directory.php       | 2 +-
 Zotlabs/Module/Photos.php          | 4 ++--
 Zotlabs/Module/Viewconnections.php | 2 +-
 boot.php                           | 4 ++--
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Zotlabs/Module/Connections.php b/Zotlabs/Module/Connections.php
index 3bbdbf326..cecada769 100644
--- a/Zotlabs/Module/Connections.php
+++ b/Zotlabs/Module/Connections.php
@@ -326,7 +326,7 @@ class Connections extends \Zotlabs\Web\Controller {
 			killme();
 		}
 		else {
-			$o .= "<script> var page_query = '" . $_GET['q'] . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
+			$o .= "<script> var page_query = '" . escape_tags($_GET['q']) . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
 			$o .= replace_macros(get_markup_template('connections.tpl'),array(
 				'$header' => t('Connections') . (($head) ? ': ' . $head : ''),
 				'$tabs' => $tabs,
diff --git a/Zotlabs/Module/Directory.php b/Zotlabs/Module/Directory.php
index f2673fa1a..8a7c6baf6 100644
--- a/Zotlabs/Module/Directory.php
+++ b/Zotlabs/Module/Directory.php
@@ -395,7 +395,7 @@ class Directory extends \Zotlabs\Web\Controller {
 	
 							$dirtitle = (($globaldir) ? t('Global Directory') : t('Local Directory'));
 	
-							$o .= "<script> var page_query = '" . $_GET['q'] . "'; var extra_args = '" . extra_query_args() . "' ; divmore_height = " . intval($maxheight) . ";  </script>";
+							$o .= "<script> var page_query = '" . escape_tags($_GET['q']) . "'; var extra_args = '" . extra_query_args() . "' ; divmore_height = " . intval($maxheight) . ";  </script>";
 							$o .= replace_macros($tpl, array(
 								'$search' => $search,
 								'$desc' => t('Find'),
diff --git a/Zotlabs/Module/Photos.php b/Zotlabs/Module/Photos.php
index a143c4d4c..fceed1910 100644
--- a/Zotlabs/Module/Photos.php
+++ b/Zotlabs/Module/Photos.php
@@ -833,7 +833,7 @@ class Photos extends \Zotlabs\Web\Controller {
 				killme();
 			}
 			else {
-				$o .= "<script> var page_query = '" . $_GET['q'] . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
+				$o .= "<script> var page_query = '" . escape_tags($_GET['q']) . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
 				$tpl = get_markup_template('photo_album.tpl');
 				$o .= replace_macros($tpl, array(
 					'$photos' => $photos,
@@ -1372,7 +1372,7 @@ class Photos extends \Zotlabs\Web\Controller {
 			killme();
 		}
 		else {
-			$o .= "<script> var page_query = '" . $_GET['q'] . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
+			$o .= "<script> var page_query = '" . escape_tags($_GET['q']) . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
 			$tpl = get_markup_template('photos_recent.tpl'); 
 			$o .= replace_macros($tpl, array(
 				'$title' => t('Recent Photos'),
diff --git a/Zotlabs/Module/Viewconnections.php b/Zotlabs/Module/Viewconnections.php
index 8366e1325..0a5e86907 100644
--- a/Zotlabs/Module/Viewconnections.php
+++ b/Zotlabs/Module/Viewconnections.php
@@ -107,7 +107,7 @@ class Viewconnections extends \Zotlabs\Web\Controller {
 			killme();
 		}
 		else {
-			$o .= "<script> var page_query = '" . $_GET['q'] . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
+			$o .= "<script> var page_query = '" . escape_tags($_GET['q']) . "'; var extra_args = '" . extra_query_args() . "' ; </script>";
 			$tpl = get_markup_template("viewcontact_template.tpl");
 			$o .= replace_macros($tpl, array(
 				'$title' => t('View Connections'),
diff --git a/boot.php b/boot.php
index 2bcea4436..719f6dde4 100755
--- a/boot.php
+++ b/boot.php
@@ -875,13 +875,13 @@ class App {
 		set_include_path("include/self::$hostname" . PATH_SEPARATOR . get_include_path());
 
 		if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'], 0, 2) === "q=") {
-			self::$query_string = substr($_SERVER['QUERY_STRING'], 2);
+			self::$query_string = escape_tags(substr($_SERVER['QUERY_STRING'], 2));
 			// removing trailing / - maybe a nginx problem
 			if (substr(self::$query_string, 0, 1) == "/")
 				self::$query_string = substr(self::$query_string, 1);
 		}
 		if(x($_GET,'q'))
-			self::$cmd = trim($_GET['q'],'/\\');
+			self::$cmd = escape_tags(trim($_GET['q'],'/\\'));
 
 		// unix style "homedir"
 
-- 
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