From ba4c1eb989ea27fa87b1391ff837515b59b6afb3 Mon Sep 17 00:00:00 2001
From: Andrew Ruthven <andrew@etc.gen.nz>
Date: Sat, 30 Mar 2024 20:08:14 +1300
Subject: [PATCH] Skip the "text/calendar" record, so we don't run code that
 expects "="

Prevents this warning:
  PHP Warning:  Undefined array key 1 in inc/iSchedule-POST.php on line 96
---
 inc/iSchedule-POST.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/inc/iSchedule-POST.php b/inc/iSchedule-POST.php
index aab2c74f..cf7fe6b4 100644
--- a/inc/iSchedule-POST.php
+++ b/inc/iSchedule-POST.php
@@ -82,11 +82,16 @@ if ( $d->validateRequest ( ) ) {
     // TODO: add originator addressbook and existing event lookup as whitelist
   }
   $method =  $ical->GetPValue('METHOD');
+
   $content_type = explode ( ';', $_SERVER['CONTENT_TYPE'] );
   if ( $content_type[0] != 'text/calendar' )
     $reply->XMLResponse( 406, 'content must be text/calendar' );
+
   $content_parts = Array ();
   foreach ( $content_type as $v ) {
+    if ($v == 'text/calendar')
+      continue;
+
     list ( $a, $b ) = explode ( '=', trim ( $v ), 2 );
     $content_parts[strtolower($a)] = strtoupper($b);
   }