From 9796cd2063770a8562d58d6492fd6904cdeb4627 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Mon, 02 May 2016 12:01:18 -0400
Subject: [PATCH] Merge branch 'dev-rfc822-preview'

---
 program/steps/mail/show.inc |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/program/steps/mail/show.inc b/program/steps/mail/show.inc
index 4183535..13550ae 100644
--- a/program/steps/mail/show.inc
+++ b/program/steps/mail/show.inc
@@ -31,7 +31,8 @@
     $_SESSION['browser_caps'] = $browser_caps;
 }
 
-$uid       = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET);
+$msg_id    = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET);
+$uid       = preg_replace('/\.[0-9.]+$/', '', $msg_id);
 $mbox_name = $RCMAIL->storage->get_folder();
 
 // similar code as in program/steps/mail/get.inc
@@ -46,7 +47,7 @@
         $RCMAIL->config->set('prefer_html', $_SESSION['msg_formats'][$mbox_name.':'.$uid]);
     }
 
-    $MESSAGE = new rcube_message($uid, $mbox_name, intval($_GET['_safe']));
+    $MESSAGE = new rcube_message($msg_id, $mbox_name, intval($_GET['_safe']));
 
     // if message not found (wrong UID)...
     if (empty($MESSAGE->headers)) {
@@ -64,12 +65,13 @@
     $OUTPUT->set_pagetitle(abbreviate_string($MESSAGE->subject, 128, '...', true));
 
     // set message environment
-    $OUTPUT->set_env('uid', $MESSAGE->uid);
+    $OUTPUT->set_env('uid', $msg_id);
     $OUTPUT->set_env('safemode', $MESSAGE->is_safe);
+    $OUTPUT->set_env('message_context', $MESSAGE->context);
     $OUTPUT->set_env('sender', $MESSAGE->sender['string']);
     $OUTPUT->set_env('mailbox', $mbox_name);
     $OUTPUT->set_env('username', $RCMAIL->get_user_name());
-    $OUTPUT->set_env('permaurl', $RCMAIL->url(array('_action' => 'show', '_uid' => $MESSAGE->uid, '_mbox' => $mbox_name)));
+    $OUTPUT->set_env('permaurl', $RCMAIL->url(array('_action' => 'show', '_uid' => $msg_id, '_mbox' => $mbox_name)));
 
     if ($MESSAGE->headers->get('list-post', false)) {
         $OUTPUT->set_env('list_post', true);
@@ -106,6 +108,9 @@
             unset($mimetypes[$key]);
         }
     }
+    if (!in_array('message/rfc822', $mimetypes)) {
+        $mimetypes[] = 'message/rfc822';
+    }
 
     $OUTPUT->set_env('mimetypes', array_values($mimetypes));
 
@@ -121,6 +126,7 @@
 
     // check for unset disposition notification
     if ($MESSAGE->headers->mdn_to
+        && $MESSAGE->context === null
         && empty($MESSAGE->headers->flags['MDNSENT'])
         && empty($MESSAGE->headers->flags['SEEN'])
         && ($RCMAIL->storage->check_permflag('MDNSENT') || $RCMAIL->storage->check_permflag('*'))
@@ -146,6 +152,7 @@
     }
 
     if (empty($MESSAGE->headers->flags['SEEN'])
+        && $MESSAGE->context === null
         && ($RCMAIL->action == 'show' || ($RCMAIL->action == 'preview' && intval($RCMAIL->config->get('preview_pane_mark_read')) == 0))
     ) {
         $RCMAIL->output->command('set_unread_message', $MESSAGE->uid, $mbox_name);

--
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