From 5d023098e6b5a31416949f00c66ffa28ed3cb589 Mon Sep 17 00:00:00 2001
From: Janusz Dobrowolski <janusz@frontaccounting.eu>
Date: Sun, 29 Oct 2023 23:06:25 +0100
Subject: [PATCH] [0005711] Bad Content-type set for invoice mail attachment;
 malformed invoice mails sent from  Win based FA servers. Fixed

---
 reporting/includes/class.mail.inc | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/reporting/includes/class.mail.inc b/reporting/includes/class.mail.inc
index 9e426db0..6634dd4b 100644
--- a/reporting/includes/class.mail.inc
+++ b/reporting/includes/class.mail.inc
@@ -35,7 +35,7 @@ class email
     var $bcc = array();
     var $attachment = array();
     var $boundary = "";
-    var $header = "";
+    var $headers = [];
     var $subject = "";
     var $body = "";
 	var $charset = 'ISO-8859-1';
@@ -44,7 +44,7 @@ class email
     function __construct($name, $mail)
     {
         $this->boundary = md5(uniqid(time()));
-		$this->header = "From: $name <$mail>\n";
+		$this->headers['From'] = "$name <$mail>";
 		$bcc = get_company_pref('bcc_email');
 		if ($bcc)
 			$this->bcc[] = $bcc;
@@ -68,7 +68,7 @@ class email
     function attachment($file, $filename=null)
     {
     	if (!isset($filename))
-    		$filename = basename($file);
+    		$filename = $file;
     	$this->attachment[$filename] = $file;
     }
 
@@ -120,25 +120,24 @@ class email
     {
         // Add CC Recipients 
 		if (!empty($this->cc)) 
-			$this->header .= "Cc: " . implode(", ", $this->cc) . "\n" ; 
+			$this->headers['Cc'] = implode(", ", $this->cc); 
 
 		// Add BCC Recipients 
 		if (!empty($this->bcc)) 
-			$this->header .= "Bcc: " . implode(", ", $this->bcc) . "\n" ; 
-		$this->header .= "Content-Type: multipart/mixed;\n boundary=\"$this->boundary\"\n";
+			$this->headers['Bcc'] = implode(", ", $this->bcc); 
+		$this->headers['Content-Type'] = "multipart/mixed;\n boundary=\"$this->boundary\"";
 
         // Add Attachments
         if (!empty($this->attachment))
         {
-            foreach ($this->attachment as $filename => $file)
+            foreach ($this->attachment as $filename => $fname)
             {
-                $file = fread(fopen($file, "r"), filesize($file));
+                $file = fread(fopen($fname, "r"), filesize($fname));
 				$this->body .= "--".$this->boundary."\n";
-				$this->body .= "Content-Type: " .$this->mime_type($file). "; name=\"".$filename."\"\n";
+				$this->body .= "Content-Type: " .$this->mime_type(basename($filename)). "; name=\"".basename($fname)."\"\n";
 				$this->body .= "Content-Transfer-Encoding: base64\n";
 				$this->body .= "Content-Disposition: attachment; filename=\"".$filename."\"\n\n";
 				$this->body .= chunk_split(base64_encode($file),"72","\n");
-                $file = "";
             }
         }
 		$this->body .= "--".$this->boundary."--\n";
@@ -146,7 +145,7 @@ class email
 		$ret = 0;
         foreach($this->to as $mail)
         {
-			if (mail($mail, $this->subject, $this->body, $this->header, $this->add_params))
+			if (mail($mail, $this->subject, $this->body, $this->headers, $this->add_params))
 				$ret++;
         }
         return $ret;
-- 
2.30.2