From eb55ac5cea8ad3720505645600e6d854d737603a Mon Sep 17 00:00:00 2001
From: David Flatz
Date: Wed, 3 Feb 2016 18:00:43 +0100
Subject: don't split addrlist at comma when the comma is inside a quoted
 string, this should fix mails to people with umlauts and comma in realname

---
 it_mail.class | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'it_mail.class')

diff --git a/it_mail.class b/it_mail.class
index 5746056..73b0bd7 100644
--- a/it_mail.class
+++ b/it_mail.class
@@ -305,7 +305,7 @@ function send($p = array())
 function header_escape($string)
 {
 	return preg_match('/[\x00-\x1f\x7f-\xff]/', $string)
-		? ("=?{$this->charset}?Q?" . str_replace(" ", "_", preg_replace_callback('/[\x00-\x1f=\x7f-\xff]/', function($m) { return sprintf('=%02X', ord($m[0])); }, trim($string, '"'))) . "?=")
+		? ("=?{$this->charset}?Q?" . str_replace(" ", "_", preg_replace_callback('/[\x00-\x1f=\x7f-\xff]/', function($m) { return sprintf('=%02X', ord($m[0])); }, trim($string, ' "'))) . "?=")
 		: $string;
 }
 
@@ -318,7 +318,18 @@ function addrlist_escape($string)
 {
 	# Exclude e-mail addresses from being encoded as
 	# e.g. GMail or Exchange have problems with that
-	foreach (explode(',', $string) as $mailbox)
+	foreach (str_split($string) as $char)
+	{
+		if ($char == '"')
+			$quoted = !$quoted;
+
+		if ($char == ',' && !$quoted)
+			$n++;
+		else
+			$mailboxes[$n] .= $char;
+	}
+
+	foreach ((array)$mailboxes as $mailbox)
 	{
 		if (preg_match('/^(.*)(\s+?<[^>]+@[^>]+>\s*)$/', $mailbox, $matches))
 			$result[] = $this->header_escape($matches[1]) . $matches[2];
-- 
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