From 15e6fdfe0c57d7568dd45822139b1b7d19618b65 Mon Sep 17 00:00:00 2001
From: Urban Müller
Date: Thu, 11 Aug 2022 15:48:41 +0200
Subject: warn about newlines in headers

---
 it_url.class | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/it_url.class b/it_url.class
index 2664169..851c1d9 100644
--- a/it_url.class
+++ b/it_url.class
@@ -203,6 +203,9 @@ static function curl_opts($p=array())
 	];
 	$add = [];
 
+	if (it::grep("[\n\r]", it::map('"$k$v"', $p['headers'])))
+		it::error(['title' => "Newline in headers", 'body' => $p['headers']]);
+
 	foreach ($p['headers'] as $header => $value)
 		$headers[] = strtr("$header: $value", "\n\r", '  ');
 
-- 
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