From 1a2f8375ded7563964ea24c44c7874a92e6f7b77 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Thu, 12 Aug 2010 03:11:28 -0400
Subject: [PATCH] - add message_part_structure hook also for text parts of mixed messages
---
program/include/rcube_imap.php | 148 +++++++++++++++++++++++++++++++-----------------
1 files changed, 95 insertions(+), 53 deletions(-)
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php
index 6f3b402..3aa2132 100644
--- a/program/include/rcube_imap.php
+++ b/program/include/rcube_imap.php
@@ -1295,8 +1295,10 @@
$all_ids = array();
foreach($msg_index as $root) {
$all_ids[] = $root;
- if (!empty($thread_tree[$root]))
- $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root]));
+ if (!empty($thread_tree[$root])) {
+ foreach (array_keys_recursive($thread_tree[$root]) as $val)
+ $all_ids[] = $val;
+ }
}
return $all_ids;
@@ -1702,14 +1704,22 @@
else
$this->struct_charset = $this->_structure_charset($structure);
+ $headers->ctype = strtolower($headers->ctype);
+
// Here we can recognize malformed BODYSTRUCTURE and
// 1. [@TODO] parse the message in other way to create our own message structure
// 2. or just show the raw message body.
// Example of structure for malformed MIME message:
- // ("text" "plain" ("charset" "us-ascii") NIL NIL "7bit" 2154 70 NIL NIL NIL)
- if ($headers->ctype && $headers->ctype != 'text/plain'
- && $structure[0] == 'text' && $structure[1] == 'plain') {
- return false;
+ // ("text" "plain" NIL NIL NIL "7bit" 2154 70 NIL NIL NIL)
+ if ($headers->ctype && !is_array($structure[0]) && $headers->ctype != 'text/plain'
+ && strtolower($structure[0].'/'.$structure[1]) == 'text/plain') {
+ // we can handle single-part messages, by simple fix in structure (#1486898)
+ if (preg_match('/^(text|application)\/(.*)/', $headers->ctype, $m)) {
+ $structure[0] = $m[1];
+ $structure[1] = $m[2];
+ }
+ else
+ return false;
}
$struct = &$this->_structure_part($structure);
@@ -1736,7 +1746,7 @@
*
* @access private
*/
- function &_structure_part($part, $count=0, $parent='', $mime_headers=null, $raw_headers=null)
+ function &_structure_part($part, $count=0, $parent='', $mime_headers=null)
{
$struct = new rcube_message_part;
$struct->mime_id = empty($parent) ? (string)$count : "$parent.$count";
@@ -1744,6 +1754,18 @@
// multipart
if (is_array($part[0])) {
$struct->ctype_primary = 'multipart';
+
+ /* RFC3501: BODYSTRUCTURE fields of multipart part
+ part1 array
+ part2 array
+ part3 array
+ ....
+ 1. subtype
+ 2. parameters (optional)
+ 3. description (optional)
+ 4. language (optional)
+ 5. location (optional)
+ */
// find first non-array entry
for ($i=1; $i<count($part); $i++) {
@@ -1756,19 +1778,18 @@
$struct->mimetype = 'multipart/'.$struct->ctype_secondary;
// build parts list for headers pre-fetching
- for ($i=0, $count=0; $i<count($part); $i++) {
- if (is_array($part[$i]) && count($part[$i]) > 4) {
- // fetch message headers if message/rfc822
- // or named part (could contain Content-Location header)
- if (!is_array($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[] = $tmp_part_id;
- }
+ for ($i=0; $i<count($part); $i++) {
+ if (!is_array($part[$i]))
+ break;
+ // fetch message headers if message/rfc822
+ // or named part (could contain Content-Location header)
+ if (!is_array($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') {
+ $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;
}
}
}
@@ -1780,22 +1801,39 @@
$mime_part_headers = $this->conn->fetchMIMEHeaders($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 = $this->conn->fetchMIMEHeaders($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]) > 4) {
- $tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
- $struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id,
- $mime_part_headers[$tmp_part_id], $raw_part_headers[$tmp_part_id]);
- }
+ if (!is_array($part[$i]))
+ break;
+ $tmp_part_id = $struct->mime_id ? $struct->mime_id.'.'.($i+1) : $i+1;
+ $struct->parts[] = $this->_structure_part($part[$i], ++$count, $struct->mime_id,
+ $mime_part_headers[$tmp_part_id]);
}
return $struct;
}
+
+ /* RFC3501: BODYSTRUCTURE fields of non-multipart part
+ 0. type
+ 1. subtype
+ 2. parameters
+ 3. id
+ 4. description
+ 5. encoding
+ 6. size
+ -- text
+ 7. lines
+ -- message/rfc822
+ 7. envelope structure
+ 8. body structure
+ 9. lines
+ --
+ x. md5 (optional)
+ x. disposition (optional)
+ x. language (optional)
+ x. location (optional)
+ */
// regular part
$struct->ctype_primary = strtolower($part[0]);
@@ -1823,9 +1861,11 @@
$struct->size = intval($part[6]);
// read part disposition
- $di = count($part) - 2;
- if ((is_array($part[$di]) && count($part[$di]) == 2 && is_array($part[$di][1])) ||
- (is_array($part[--$di]) && count($part[$di]) == 2)) {
+ $di = 8;
+ if ($struct->ctype_primary == 'text') $di += 1;
+ else if ($struct->mimetype == 'message/rfc822') $di += 3;
+
+ if (is_array($part[$di]) && count($part[$di]) == 2) {
$struct->disposition = strtolower($part[$di][0]);
if (is_array($part[$di][1]))
@@ -1833,12 +1873,14 @@
$struct->d_parameters[strtolower($part[$di][1][$n])] = $part[$di][1][$n+1];
}
- // get child parts
+ // get message/rfc822's child-parts
if (is_array($part[8]) && $di != 8) {
$struct->parts = array();
- for ($i=0, $count=0; $i<count($part[8]); $i++)
- if (is_array($part[8][$i]) && count($part[8][$i]) > 5)
- $struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id);
+ for ($i=0, $count=0; $i<count($part[8]); $i++) {
+ if (!is_array($part[8][$i]))
+ break;
+ $struct->parts[] = $this->_structure_part($part[8][$i], ++$count, $struct->mime_id);
+ }
}
// get part ID
@@ -1858,24 +1900,24 @@
}
$struct->headers = $this->_parse_headers($mime_headers) + $struct->headers;
- // get real headers for message of type 'message/rfc822'
+ // get real content-type of message/rfc822
if ($struct->mimetype == 'message/rfc822') {
- if (empty($raw_headers)) {
- $raw_headers = $this->conn->fetchMIMEHeaders(
- $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]);
+ // single-part
+ if (!is_array($part[8][0]))
+ $struct->real_mimetype = strtolower($part[8][0] . '/' . $part[8][1]);
+ // multi-part
+ else {
+ for ($n=0; $n<count($part[8]); $n++)
+ if (!is_array($part[8][$n]))
+ break;
+ $struct->real_mimetype = 'multipart/' . strtolower($part[8][$n]);
}
}
- }
- if ($struct->ctype_primary=='message') {
- if (is_array($part[8]) && $di != 8 && empty($struct->parts))
- $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
+ if ($struct->ctype_primary == 'message' && empty($struct->parts)) {
+ if (is_array($part[8]) && $di != 8)
+ $struct->parts[] = $this->_structure_part($part[8], ++$count, $struct->mime_id);
+ }
}
// normalize filename property
@@ -2587,7 +2629,7 @@
$a_defaults = $a_out = array();
// Give plugins a chance to provide a list of mailboxes
- $data = rcmail::get_instance()->plugins->exec_hook('list_mailboxes',
+ $data = rcmail::get_instance()->plugins->exec_hook('mailboxes_list',
array('root' => $root, 'filter' => $filter, 'mode' => 'LSUB'));
if (isset($data['folders'])) {
@@ -2618,7 +2660,7 @@
function list_unsubscribed($root='', $filter='*')
{
// Give plugins a chance to provide a list of mailboxes
- $data = rcmail::get_instance()->plugins->exec_hook('list_mailboxes',
+ $data = rcmail::get_instance()->plugins->exec_hook('mailboxes_list',
array('root' => $root, 'filter' => $filter, 'mode' => 'LIST'));
if (isset($data['folders'])) {
--
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