From a0e3dcf170502bd74f74c5ac5952cd7ad6de3863 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 14 Dec 2012 07:42:23 -0500
Subject: [PATCH] Use matching identity in MDN response (#1488864)
---
program/steps/mail/func.inc | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 104 insertions(+), 3 deletions(-)
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index 7d6a517..bd381d5 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -1720,11 +1720,11 @@
if ($message->headers->mdn_to && empty($message->headers->flags['MDNSENT']) &&
($RCMAIL->storage->check_permflag('MDNSENT') || $RCMAIL->storage->check_permflag('*')))
{
- $identity = $RCMAIL->user->get_identity();
- $sender = format_email_recipient($identity['email'], $identity['name']);
+ $identity = rcmail_identity_select($message);
+ $sender = format_email_recipient($identity['email'], $identity['name']);
$recipient = array_shift(rcube_mime::decode_address_list(
$message->headers->mdn_to, 1, true, $message->headers->charset));
- $mailto = $recipient['mailto'];
+ $mailto = $recipient['mailto'];
$compose = new Mail_mime("\r\n");
@@ -1782,6 +1782,107 @@
return false;
}
+/**
+ * Detect recipient identity from specified message
+ */
+function rcmail_identity_select($MESSAGE, $identities = null, $compose_mode = 'reply')
+{
+ $a_recipients = array();
+ $a_names = array();
+
+ if ($identities === null) {
+ $identities = rcmail::get_instance()->user->list_identities(null, true);
+ }
+
+ // extract all recipients of the reply-message
+ if (is_object($MESSAGE->headers) && in_array($compose_mode, array('reply', 'forward'))) {
+ $a_to = rcube_mime::decode_address_list($MESSAGE->headers->to, null, true, $MESSAGE->headers->charset);
+ foreach ($a_to as $addr) {
+ if (!empty($addr['mailto'])) {
+ $a_recipients[] = format_email($addr['mailto']);
+ $a_names[] = $addr['name'];
+ }
+ }
+
+ if (!empty($MESSAGE->headers->cc)) {
+ $a_cc = rcube_mime::decode_address_list($MESSAGE->headers->cc, null, true, $MESSAGE->headers->charset);
+ foreach ($a_cc as $addr) {
+ if (!empty($addr['mailto'])) {
+ $a_recipients[] = format_email($addr['mailto']);
+ $a_names[] = $addr['name'];
+ }
+ }
+ }
+ }
+
+ $from_idx = null;
+ $found_idx = null;
+ $default_identity = 0; // default identity is always first on the list
+
+ // Select identity
+ foreach ($identities as $idx => $ident) {
+ // use From header
+ if (in_array($compose_mode, array('draft', 'edit'))) {
+ if ($MESSAGE->headers->from == $ident['ident']) {
+ $from_idx = $idx;
+ break;
+ }
+ }
+ // reply to yourself
+ else if ($compose_mode == 'reply' && $MESSAGE->headers->from == $ident['ident']) {
+ $from_idx = $idx;
+ break;
+ }
+ // use replied message recipients
+ else if (($found = array_search($ident['email_ascii'], $a_recipients)) !== false) {
+ if ($found_idx === null) {
+ $found_idx = $idx;
+ }
+ // match identity name
+ if ($a_names[$found] && $ident['name'] && $a_names[$found] == $ident['name']) {
+ $from_idx = $idx;
+ break;
+ }
+ }
+ }
+
+ // If matching by name+address doesn't found any matches, get first found address (identity)
+ if ($from_idx === null) {
+ $from_idx = $found_idx;
+ }
+
+ // Try Return-Path
+ if ($from_idx === null && ($return_path = $MESSAGE->headers->others['return-path'])) {
+ foreach ($identities as $idx => $ident) {
+ if (strpos($return_path, str_replace('@', '=', $ident['email_ascii']).'@') !== false) {
+ $from_idx = $idx;
+ break;
+ }
+ }
+ }
+
+ // Fallback using Delivered-To
+ if ($from_idx === null && ($delivered_to = $MESSAGE->headers->others['delivered-to'])) {
+ foreach ($identities as $idx => $ident) {
+ if (in_array($ident['email_ascii'], (array)$delivered_to)) {
+ $from_idx = $idx;
+ break;
+ }
+ }
+ }
+
+ // Fallback using Envelope-To
+ if ($from_idx === null && ($envelope_to = $MESSAGE->headers->others['envelope-to'])) {
+ foreach ($identities as $idx => $ident) {
+ if (in_array($ident['email_ascii'], (array)$envelope_to)) {
+ $from_idx = $idx;
+ break;
+ }
+ }
+ }
+
+ return $identities[$from_idx !== null ? $from_idx : $default_identity];
+}
// Fixes some content-type names
function rcmail_fix_mimetype($name)
--
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