From a3644638aaf0418598196a870204e0b632a4c8ad Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 17 Apr 2015 06:28:40 -0400
Subject: [PATCH] Allow preference sections to define CSS class names

---
 program/lib/Roundcube/rcube_smtp.php |   58 ++++++++++++++++++++++++++++++++++++++++++----------------
 1 files changed, 42 insertions(+), 16 deletions(-)

diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index 79ffcfb..0322a0d 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
@@ -119,9 +124,9 @@
         }
 
         // 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($result)) {
+        if (is_a($result, 'PEAR_Error')) {
             $this->response[] = "Connection failed: ".$result->getMessage();
             $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $this->conn->_code));
             $this->conn  = null;
@@ -154,7 +159,7 @@
 
             $result = $this->conn->auth($smtp_user, $smtp_pass, $smtp_auth_type, $use_tls, $smtp_authz);
 
-            if (PEAR::isError($result)) {
+            if (is_a($result, 'PEAR_Error')) {
                 $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $this->conn->_code));
                 $this->response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
                 $this->reset();
@@ -227,25 +232,28 @@
         }
 
         // 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 = '';
         }
 
         // set From: address
-        if (PEAR::isError($this->conn->mailFrom($from, $from_params))) {
+        $result = $this->conn->mailFrom($from, $from_params);
+        if (is_a($result, 'PEAR_Error')) {
             $err = $this->conn->getResponse();
             $this->error = array('label' => 'smtpfromerror', 'vars' => array(
-                'from' => $from, 'code' => $this->conn->_code, 'msg' => $err[1]));
-            $this->response[] = "Failed to set sender '$from'";
+                'from' => $from, 'code' => $err[0], 'msg' => $err[1]));
+            $this->response[] = "Failed to set sender '$from'. "
+                . $err[1] . ' (Code: ' . $err[0] . ')';
             $this->reset();
             return false;
         }
 
         // prepare list of recipients
         $recipients = $this->_parse_rfc822($recipients);
-        if (PEAR::isError($recipients)) {
+        if (is_a($recipients, 'PEAR_Error')) {
             $this->error = array('label' => 'smtprecipientserror');
             $this->reset();
             return false;
@@ -253,11 +261,13 @@
 
         // set mail recipients
         foreach ($recipients as $recipient) {
-            if (PEAR::isError($this->conn->rcptTo($recipient, $recipient_params))) {
+            $result = $this->conn->rcptTo($recipient, $recipient_params);
+            if (is_a($result, 'PEAR_Error')) {
                 $err = $this->conn->getResponse();
                 $this->error = array('label' => 'smtptoerror', 'vars' => array(
-                    'to' => $recipient, 'code' => $this->conn->_code, 'msg' => $err[1]));
-                $this->response[] = "Failed to add recipient '$recipient'";
+                    'to' => $recipient, 'code' => $err[0], 'msg' => $err[1]));
+                $this->response[] = "Failed to add recipient '$recipient'. "
+                    . $err[1] . ' (Code: ' . $err[0] . ')';
                 $this->reset();
                 return false;
             }
@@ -280,7 +290,8 @@
         }
 
         // Send the message's headers and the body as SMTP data.
-        if (PEAR::isError($result = $this->conn->data($data, $text_headers))) {
+        $result = $this->conn->data($data, $text_headers);
+        if (is_a($result, 'PEAR_Error')) {
             $err = $this->conn->getResponse();
             if (!in_array($err[0], array(354, 250, 221))) {
                 $msg = sprintf('[%d] %s', $err[0], $err[1]);
@@ -290,7 +301,7 @@
             }
 
             $this->error = array('label' => 'smtperror', 'vars' => array('msg' => $msg));
-            $this->response[] = "Failed to send data";
+            $this->response[] = "Failed to send data. " . $msg;
             $this->reset();
             return false;
         }
@@ -326,6 +337,21 @@
      */
     public function debug_handler(&$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 +458,9 @@
         $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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