From e74359fcfe4d97efe72a811b45526a69edae3893 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Fri, 11 Feb 2022 09:10:19 +0000
Subject: 3rd arg in str_replace() can not be null

---
 include/network.php | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include/network.php')

diff --git a/include/network.php b/include/network.php
index 64605749d..044678a05 100644
--- a/include/network.php
+++ b/include/network.php
@@ -1986,6 +1986,10 @@ function getBestSupportedMimeType($mimeTypes = null, $acceptedTypes = false) {
 	if($acceptedTypes === false)
 		$acceptedTypes = $_SERVER['HTTP_ACCEPT'];
 
+	if (!$acceptedTypes) {
+		return null;
+	}
+
 	// Accept header is case insensitive, and whitespace isn’t important
 	$accept = strtolower(str_replace(' ', '', $acceptedTypes));
 	// divide it into parts in the place of a ","
-- 
cgit v1.2.3


From 139ffae3674e59307b46c67b0dcf77be9ec87b19 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Fri, 11 Feb 2022 09:51:21 +0000
Subject: fix another deprecation warning

---
 include/network.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'include/network.php')

diff --git a/include/network.php b/include/network.php
index 044678a05..fa408e602 100644
--- a/include/network.php
+++ b/include/network.php
@@ -365,9 +365,14 @@ function z_post_url($url, $params, $redirects = 0, $opts = array()) {
 	if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307 || $http_code == 308) {
 		$matches = array();
 		preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
-		$newurl = trim(array_pop($matches));
-		if(strpos($newurl,'/') === 0)
+
+		$newurl = '';
+		if (array_pop($matches))
+			$newurl = trim(array_pop($matches));
+
+		if($newurl && strpos($newurl,'/') === 0)
 			$newurl = $url . $newurl;
+
 		$url_parsed = @parse_url($newurl);
 		if (isset($url_parsed)) {
 			curl_close($ch);
-- 
cgit v1.2.3


From b02f6a1dae3e3fae4af4b24e65256cdf653b2515 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Sun, 20 Mar 2022 14:35:25 +0100
Subject: Add function is_local_url() to check if url is local.

---
 include/network.php | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'include/network.php')

diff --git a/include/network.php b/include/network.php
index fa408e602..a236a6f8e 100644
--- a/include/network.php
+++ b/include/network.php
@@ -559,6 +559,14 @@ function z_dns_check($h,$check_mx = 0) {
 	return((@dns_get_record($h,$opts) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
 }
 
+function is_local_url($url) {
+  if (str_starts_with($url, z_root()) || str_starts_with($url, '/')) {
+    return true;
+  }
+
+  return false;
+}
+
 /**
  * @brief Validates a given URL.
  *
-- 
cgit v1.2.3