From 5ca959fa688255a8de61f89fe2751eb4d24a6912 Mon Sep 17 00:00:00 2001
From: Florian Schaal <florian@schaal-24.de>
Date: Tue, 22 Mar 2016 09:22:07 -0400
Subject: [PATCH] fixed typo

---
 interface/lib/classes/validate_dkim.inc.php |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/interface/lib/classes/validate_dkim.inc.php b/interface/lib/classes/validate_dkim.inc.php
index 71b8e85..443fe76 100644
--- a/interface/lib/classes/validate_dkim.inc.php
+++ b/interface/lib/classes/validate_dkim.inc.php
@@ -29,7 +29,7 @@
  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
  @author Florian Schaal, info@schaal-24.de
- @copyrighth Florian Schaal, info@schaal-24.de
+ @copyright Florian Schaal, info@schaal-24.de
  */
 
 
@@ -62,8 +62,10 @@
 	 */
 	function check_template($field_name, $field_value, $validator) {
 		$dkim=false;
-		foreach($field_value as $field ) { if($field == 'DKIM') $dkim=true; }
-		if ($dkim && $field_value[0]!='DOMAIN') return $this->get_error($validator['errmsg']);
+		if(is_array($field_value) && !empty($field_value)){
+			foreach($field_value as $field ) { if($field == 'DKIM') $dkim=true; }
+			if ($dkim && $field_value[0]!='DOMAIN') return $this->get_error($validator['errmsg']);
+		}
 	}
 
 
@@ -73,7 +75,7 @@
 	 * @return boolean - true if $POST contains a real key-file
 	 */
 	function validate_post($key, $value, $dkim_strength) {
-		$value=str_replace("\n", "", $value);
+		$value=str_replace(array("\n", "-----BEGIN RSA PRIVATE KEY-----", "-----END RSA PRIVATE KEY-----", " "), "", $value);
 		switch ($key) {
 		case 'public':
 			if (preg_match("/(^-----BEGIN PUBLIC KEY-----)[a-zA-Z0-9\r\n\/\+=]{1,221}(-----END PUBLIC KEY-----(\n|\r)?$)/", $value) === 1) { return true; } else { return false; }
@@ -82,7 +84,7 @@
 			if ( $dkim_strength == 1024 ) $range = "{812,816}";
 			if ( $dkim_strength == 2048 ) $range = "{1588,1592}";
 			if ( $dkim_strength == 4096 ) $range = "{3132,3136}";
-			if (preg_match("/^-----BEGIN RSA PRIVATE KEY-----[a-zA-Z0-9\/\+=]".$range."-----END RSA PRIVATE KEY-----$/", $value) === 1) return true; else return false;
+			if ( preg_match("/^[a-zA-Z0-9\/\+=]".$range."$/", $value ) === 1) return true; else return false;
 			break;
 		}
 	}

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