From aa16b4af8f67d91b1bfd2c584a665a53c403f47c Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 23 Dec 2009 03:01:39 -0500
Subject: [PATCH] - Improved handling of message parts of type message/rfc822 (fixed e.g. inline images in multipart/alternative messages attached as message/rfc822)
---
program/include/rcube_imap.php | 99 +++++++++++++++++++++++++++++++------------------
1 files changed, 62 insertions(+), 37 deletions(-)
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 533f941..2408fa2 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -112,7 +112,7 @@
$ICL_PORT = $port;
$IMAP_USE_INTERNAL_DATE = false;
-
+
$attempt = 0;
do {
$data = rcmail::get_instance()->plugins->exec_hook('imap_connect', array('host' => $host, 'user' => $user, 'attempt' => ++$attempt));
@@ -144,13 +144,13 @@
// get server properties
if ($this->conn)
{
- if (!empty($this->conn->delimiter))
- $this->delimiter = $this->conn->delimiter;
if (!empty($this->conn->rootdir))
{
$this->set_rootdir($this->conn->rootdir);
$this->root_ns = preg_replace('/[.\/]$/', '', $this->conn->rootdir);
}
+ if (empty($this->delimiter))
+ $this->get_hierarchy_delimiter();
}
return $this->conn ? TRUE : FALSE;
@@ -603,21 +603,23 @@
{
if ($this->skip_deleted) {
// @TODO: this could be cached
- $msg_index = $this->_search_index($mailbox, 'ALL UNDELETED');
- $max = max($msg_index);
- list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
- $msg_index = array_slice($msg_index, $begin, $end-$begin);
+ if ($msg_index = $this->_search_index($mailbox, 'ALL UNDELETED')) {
+ $max = max($msg_index);
+ list($begin, $end) = $this->_get_message_range(count($msg_index), $page);
+ $msg_index = array_slice($msg_index, $begin, $end-$begin);
+ }
} else if ($max = iil_C_CountMessages($this->conn, $mailbox)) {
list($begin, $end) = $this->_get_message_range($max, $page);
$msg_index = range($begin+1, $end);
} else
- return array();
+ $msg_index = array();
if ($slice)
$msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice);
// fetch reqested headers from server
- $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key);
+ if ($msg_index)
+ $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key);
}
// use SORT command
else if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : '')))
@@ -633,13 +635,8 @@
$this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key);
}
// fetch specified header for all messages and sort
- else
+ else if ($a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted))
{
- $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted);
-
- if (empty($a_index))
- return array();
-
asort($a_index); // ASC
$msg_index = array_keys($a_index);
$max = max($msg_index);
@@ -1261,7 +1258,7 @@
*
* @access private
*/
- function &_structure_part($part, $count=0, $parent='', $raw_headers=null)
+ function &_structure_part($part, $count=0, $parent='', $mime_headers=null, $raw_headers=null)
{
$struct = new rcube_message_part;
$struct->mime_id = empty($parent) ? (string)$count : "$parent.$count";
@@ -1283,28 +1280,43 @@
// build parts list for headers pre-fetching
for ($i=0, $count=0; $i<count($part); $i++)
- if (is_array($part[$i]) && count($part[$i]) > 3)
- // fetch message headers if message/rfc822 or named part (could contain Content-Location header)
- if (strtolower($part[$i][0]) == 'message' ||
- (in_array('name', (array)$part[$i][2]) && (empty($part[$i][3]) || $part[$i][3]=='NIL'))) {
- $part_headers[] = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
- }
-
+ if (is_array($part[$i]) && count($part[$i]) > 3) {
+ // fetch message headers if message/rfc822 or named part (could contain Content-Location header)
+ if (!is_array($part[$i][0])) {
+ $tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
+ if (strtolower($part[$i][0]) == 'message' && strtolower($part[$i][1]) == 'rfc822') {
+ $raw_part_headers[] = $tmp_part_id;
+ $mime_part_headers[] = $tmp_part_id;
+ }
+ else if (in_array('name', (array)$part[$i][2]) && (empty($part[$i][3]) || $part[$i][3]=='NIL')) {
+ $mime_part_headers[] = $tmp_part_id;
+ }
+ }
+ }
+
// pre-fetch headers of all parts (in one command for better performance)
- if ($part_headers)
- $part_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox, $this->_msg_id, $part_headers);
+ // @TODO: we could do this before _structure_part() call, to fetch
+ // headers for parts on all levels
+ if ($mime_part_headers)
+ $mime_part_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox,
+ $this->_msg_id, $mime_part_headers);
+ // we'll need a real content-type of message/rfc822 part
+ if ($raw_part_headers)
+ $raw_part_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox,
+ $this->_msg_id, $raw_part_headers, false);
$struct->parts = array();
for ($i=0, $count=0; $i<count($part); $i++)
if (is_array($part[$i]) && count($part[$i]) > 3) {
+ $tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
$struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id,
- $part_headers[$struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1]);
+ $mime_part_headers[$tmp_part_id], $raw_part_headers[$tmp_part_id]);
}
return $struct;
}
-
-
+
+
// regular part
$struct->ctype_primary = strtolower($part[0]);
$struct->ctype_secondary = strtolower($part[1]);
@@ -1365,18 +1377,30 @@
// fetch message headers if message/rfc822 or named part (could contain Content-Location header)
if ($struct->ctype_primary == 'message' || ($struct->ctype_parameters['name'] && !$struct->content_id)) {
- if (empty($raw_headers))
- $raw_headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $struct->mime_id);
- $struct->headers = $this->_parse_headers($raw_headers) + $struct->headers;
- }
+ if (empty($mime_headers))
+ $mime_headers = iil_C_FetchPartHeader($this->conn, $this->mailbox, $this->_msg_id, false, $struct->mime_id);
+ $struct->headers = $this->_parse_headers($mime_headers) + $struct->headers;
+
+ // get real headers for message of type 'message/rfc822'
+ if ($struct->mimetype == 'message/rfc822') {
+ if (empty($raw_headers))
+ $raw_headers = iil_C_FetchMIMEHeaders($this->conn, $this->mailbox, $this->_msg_id, (array)$struct->mime_id, false);
+ $struct->real_headers = $this->_parse_headers($raw_headers);
+
+ // get real content-type of message/rfc822
+ if (preg_match('/^([a-z0-9_\/-]+)/i', $struct->real_headers['content-type'], $matches)) {
+ $struct->real_mimetype = strtolower($matches[1]);
+ }
+ }
+ }
if ($struct->ctype_primary=='message') {
- if (is_array($part[8]) && empty($struct->parts))
+ if (is_array($part[8]) && $di != 8 && empty($struct->parts))
$struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
- }
+ }
// normalize filename property
- $this->_set_part_filename($struct, $raw_headers);
+ $this->_set_part_filename($struct, $mime_headers);
return $struct;
}
@@ -1714,8 +1738,8 @@
// make sure mailbox exists
if ($to_mbox != 'INBOX' && !in_array($to_mbox, $this->_list_mailboxes()))
{
- if (in_array($to_mbox_in, $this->default_folders))
- $this->create_mailbox($to_mbox_in, TRUE);
+ if (in_array($tbox, $this->default_folders))
+ $this->create_mailbox($tbox, TRUE);
else
return FALSE;
}
@@ -3084,6 +3108,7 @@
private function _parse_headers($headers)
{
$a_headers = array();
+ $headers = preg_replace('/\r?\n(\t| )+/', ' ', $headers);
$lines = explode("\n", $headers);
$c = count($lines);
for ($i=0; $i<$c; $i++)
--
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