From ced34cb15e095836767971aa4d27b141fb1d7ec9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sat, 18 Oct 2014 08:47:54 -0400
Subject: [PATCH] Merge pull request #230 from bytesatwork-xx/master

---
 program/lib/Roundcube/rcube_smtp.php |   31 ++++++++++++++++++++++++++-----
 1 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index 79ffcfb..70f15dc 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -29,9 +29,12 @@
     private $conn = null;
     private $response;
     private $error;
+    private $anonymize_log = 0;
 
     // define headers delimiter
     const SMTP_MIME_CRLF = "\r\n";
+
+    const DEBUG_LINE_LENGTH = 4098; // 4KB + 2B for \r\n
 
 
     /**
@@ -65,6 +68,7 @@
             'smtp_auth_type' => $rcube->config->get('smtp_auth_type'),
             'smtp_helo_host' => $rcube->config->get('smtp_helo_host'),
             'smtp_timeout'   => $rcube->config->get('smtp_timeout'),
+            'smtp_conn_options'   => $rcube->config->get('smtp_conn_options'),
             'smtp_auth_callbacks' => array(),
         ));
 
@@ -104,10 +108,11 @@
         // IDNA Support
         $smtp_host = rcube_utils::idn_to_ascii($smtp_host);
 
-        $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host);
+        $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host, false, 0, $CONFIG['smtp_conn_options']);
 
         if ($rcube->config->get('smtp_debug')) {
             $this->conn->setDebug(true, array($this, 'debug_handler'));
+            $this->anonymize_log = 0;
         }
 
         // register authentication methods
@@ -119,7 +124,7 @@
         }
 
         // try to connect to server and exit on failure
-        $result = $this->conn->connect($smtp_timeout);
+        $result = $this->conn->connect($CONFIG['smtp_timeout']);
 
         if (PEAR::isError($result)) {
             $this->response[] = "Connection failed: ".$result->getMessage();
@@ -227,7 +232,8 @@
         }
 
         // RFC2298.3: remove envelope sender address
-        if (preg_match('/Content-Type: multipart\/report/', $text_headers)
+        if (empty($opts['mdn_use_from'])
+            && preg_match('/Content-Type: multipart\/report/', $text_headers)
             && preg_match('/report-type=disposition-notification/', $text_headers)
         ) {
             $from = '';
@@ -326,6 +332,21 @@
      */
     public function debug_handler(&$smtp, $message)
     {
+        // catch AUTH commands and set anonymization flag for subsequent sends
+        if (preg_match('/^Send: AUTH ([A-Z]+)/', $message, $m)) {
+            $this->anonymize_log = $m[1] == 'LOGIN' ? 2 : 1;
+        }
+        // anonymize this log entry
+        else if ($this->anonymize_log > 0 && strpos($message, 'Send:') === 0 && --$this->anonymize_log == 0) {
+            $message = sprintf('Send: ****** [%d]', strlen($message) - 8);
+        }
+
+        if (($len = strlen($message)) > self::DEBUG_LINE_LENGTH) {
+            $diff    = $len - self::DEBUG_LINE_LENGTH;
+            $message = substr($message, 0, self::DEBUG_LINE_LENGTH)
+                . "... [truncated $diff bytes]";
+        }
+
         rcube::write_log('smtp', preg_replace('/\r\n$/', '', $message));
     }
 
@@ -432,9 +453,9 @@
         $recipients = rcube_utils::explode_quoted_string(',', $recipients);
 
         reset($recipients);
-        while (list($k, $recipient) = each($recipients)) {
+        foreach ($recipients as $recipient) {
             $a = rcube_utils::explode_quoted_string(' ', $recipient);
-            while (list($k2, $word) = each($a)) {
+            foreach ($a as $word) {
                 if (strpos($word, "@") > 0 && $word[strlen($word)-1] != '"') {
                     $word = preg_replace('/^<|>$/', '', trim($word));
                     if (in_array($word, $addresses) === false) {

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