From e28b12259fb40764ef658710c94f6bb110ba9c92 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 03 Nov 2013 09:05:39 -0500
Subject: [PATCH] Fix issue where mails with inline images of the same name contained only the first image multiple times (#1489406)

---
 program/steps/mail/sendmail.inc |   79 +++++++++++++++++++++++++++------------
 1 files changed, 55 insertions(+), 24 deletions(-)

diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index 436b4ee..52b02ec 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -414,9 +414,6 @@
 if (!empty($_POST['_followupto'])) {
   $headers['Mail-Followup-To'] = rcmail_email_input_format(get_input_value('_followupto', RCUBE_INPUT_POST, TRUE, $message_charset));
 }
-if (!empty($COMPOSE['reply_msgid'])) {
-  $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
-}
 
 // remember reply/forward UIDs in special headers
 if (!empty($COMPOSE['reply_uid']) && $savedraft) {
@@ -426,6 +423,9 @@
   $headers['X-Draft-Info'] = array('type' => 'forward', 'uid' => $COMPOSE['forward_uid']);
 }
 
+if (!empty($COMPOSE['reply_msgid'])) {
+  $headers['In-Reply-To'] = $COMPOSE['reply_msgid'];
+}
 if (!empty($COMPOSE['references'])) {
   $headers['References'] = $COMPOSE['references'];
 }
@@ -473,14 +473,19 @@
 $message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
 
 if ($isHtml) {
-  $font = rcube_fontdefs($RCMAIL->config->get('default_font'));
-  $font = $font && is_string($font) ? ' '.$font : NULL;
-  $font_size = $RCMAIL->config->get('default_font_size');
-  $bstyle = " style='font: ".$font_size.$font.";'";
+  $bstyle = array();
+
+  if ($font_size = $RCMAIL->config->get('default_font_size')) {
+    $bstyle[] = 'font-size: ' . $font_size;
+  }
+  if ($font_family = $RCMAIL->config->get('default_font')) {
+    $bstyle[] = 'font-family: ' . rcmail::font_defs($font_family);
+  }
 
   // append doctype and html/body wrappers
-  $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">' .
-    "\r\n<html><body$bstyle>\r\n" . $message_body;
+  $message_body = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">'
+    . "\r\n<html><body" . (!empty($bstyle) ? " style='" . implode($bstyle, '; ') . "'" : '') . ">\r\n"
+    . $message_body;
 }
 
 if (!$savedraft) {
@@ -610,22 +615,39 @@
 }
 
 // add stored attachments, if any
-if (is_array($COMPOSE['attachments']))
-{
+if (is_array($COMPOSE['attachments'])) {
   foreach ($COMPOSE['attachments'] as $id => $attachment) {
     // This hook retrieves the attachment contents from the file storage backend
     $attachment = $RCMAIL->plugins->exec_hook('attachment_get', $attachment);
 
-    $dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]*/';
-    $message_body = $MAIL_MIME->getHTMLBody();
-    if ($isHtml && (preg_match($dispurl, $message_body) > 0)) {
-      $message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body);
+    if ($isHtml) {
+      $dispurl      = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]*/';
+      $message_body = $MAIL_MIME->getHTMLBody();
+      $is_inline    = preg_match($dispurl, $message_body);
+    }
+    else {
+      $is_inline = false;
+    }
+
+    // inline image
+    if ($is_inline) {
+      // Mail_Mime does not support many inline attachments with the same name (#1489406)
+      // we'll generate cid: urls here to workaround this
+      $cid = preg_replace('/[^0-9a-zA-Z]/', '', uniqid(time(), true));
+      if (preg_match('#(@[0-9a-zA-Z\-\.]+)#', $from, $matches)) {
+        $cid .= $matches[1];
+      } else {
+        $cid .= '@localhost';
+      }
+
+      $message_body = preg_replace($dispurl, ' src="cid:' . $cid . '" ', $message_body);
+
       $MAIL_MIME->setHTMLBody($message_body);
 
       if ($attachment['data'])
-        $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false);
+        $MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false, $cid);
       else
-        $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true);
+        $MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true, $cid);
     }
     else {
       $ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
@@ -754,7 +776,7 @@
 
     if (PEAR::isError($msg))
       raise_error(array('code' => 650, 'type' => 'php',
-	    'file' => __FILE__, 'line' => __LINE__,
+        'file' => __FILE__, 'line' => __LINE__,
             'message' => "Could not create message: ".$msg->getMessage()),
             TRUE, FALSE);
     else {
@@ -825,15 +847,24 @@
 
   // start the auto-save timer again
   $OUTPUT->command('auto_save_start');
-
-  $OUTPUT->send('iframe');
 }
 else {
+  $folders = array();
+
+  if ($COMPOSE['mode'] == 'reply' || $COMPOSE['mode'] == 'forward')
+    $folders[] = $COMPOSE['mailbox'];
+
   rcmail_compose_cleanup($COMPOSE_ID);
 
   if ($store_folder && !$saved)
-    $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
-  else
-    $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'), $store_target);
-  $OUTPUT->send('iframe');
+    $OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'), $folders);
+  else {
+    if ($store_folder) {
+      $folders[] = $store_target;
+    }
+
+    $OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'), $folders);
+  }
 }
+
+$OUTPUT->send('iframe');

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