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	diff --git a/program/lib/Roundcube/rcube_message.php b/program/lib/Roundcube/rcube_message.php
	index 3f14266d4..7d58a8eb5 100644
	--- a/program/lib/Roundcube/rcube_message.php
	+++ b/program/lib/Roundcube/rcube_message.php
	@@ -1,791 +1,832 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2008-2010, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Logical representation of a mail message with all its data \|
	\| and related functions \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	/**
	* Logical representation of a mail message with all its data
	* and related functions
	*
	* @package Framework
	* @subpackage Storage
	* @author Thomas Bruederli <roundcube@gmail.com>
	*/
	class rcube_message
	{
	/**
	* Instace of framework class.
	*
	* @var rcube
	*/
	private $app;

	/**
	* Instance of storage class
	*
	* @var rcube_storage
	*/
	private $storage;

	/**
	* Instance of mime class
	*
	* @var rcube_mime
	*/
	private $mime;
	private $opt = array();
	private $parse_alternative = false;

	public $uid;
	public $folder;
	public $headers;
	public $parts = array();
	public $mime_parts = array();
	public $inline_parts = array();
	public $attachments = array();
	public $subject = '';
	public $sender = null;
	public $is_safe = false;


	/**
	* __construct
	*
	* Provide a uid, and parse message structure.
	*
	* @param string $uid The message UID.
	* @param string $folder Folder name
	*
	* @see self::$app, self::$storage, self::$opt, self::$parts
	*/
	function __construct($uid, $folder = null)
	{
	$this->uid = $uid;
	$this->app = rcube::get_instance();
	$this->storage = $this->app->get_storage();
	$this->folder = strlen($folder) ? $folder : $this->storage->get_folder();
	$this->storage->set_options(array('all_headers' => true));

	// Set current folder
	$this->storage->set_folder($this->folder);

	$this->headers = $this->storage->get_message($uid);

	if (!$this->headers)
	return;

	$this->mime = new rcube_mime($this->headers->charset);

	$this->subject = $this->mime->decode_mime_string($this->headers->subject);
	list(, $this->sender) = each($this->mime->decode_address_list($this->headers->from, 1));

	$this->set_safe((intval($_GET['_safe']) \|\| $_SESSION['safe_messages'][$uid]));
	$this->opt = array(
	'safe' => $this->is_safe,
	'prefer_html' => $this->app->config->get('prefer_html'),
	'get_url' => $this->app->url(array(
	'action' => 'get',
	'mbox' => $this->storage->get_folder(),
	'uid' => $uid))
	);

	if (!empty($this->headers->structure)) {
	$this->get_mime_numbers($this->headers->structure);
	$this->parse_structure($this->headers->structure);
	}
	else {
	$this->body = $this->storage->get_body($uid);
	}

	// notify plugins and let them analyze this structured message object
	$this->app->plugins->exec_hook('message_load', array('object' => $this));
	}


	/**
	* Return a (decoded) message header
	*
	* @param string $name Header name
	* @param bool $row Don't mime-decode the value
	* @return string Header value
	*/
	public function get_header($name, $raw = false)
	{
	if (empty($this->headers))
	return null;

	if ($this->headers->$name)
	$value = $this->headers->$name;
	else if ($this->headers->others[$name])
	$value = $this->headers->others[$name];

	return $raw ? $value : $this->mime->decode_header($value);
	}


	/**
	* Set is_safe var and session data
	*
	* @param bool $safe enable/disable
	*/
	public function set_safe($safe = true)
	{
	$this->is_safe = $safe;
	$_SESSION['safe_messages'][$this->uid] = $this->is_safe;
	}


	/**
	* Compose a valid URL for getting a message part
	*
	* @param string $mime_id Part MIME-ID
	* @return string URL or false if part does not exist
	*/
	public function get_part_url($mime_id, $embed = false)
	{
	if ($this->mime_parts[$mime_id])
	return $this->opt['get_url'] . '&_part=' . $mime_id . ($embed ? '&_embed=1' : '');
	else
	return false;
	}


	/**
	* Get content of a specific part of this message
	*
	* @param string $mime_id Part MIME-ID
	* @param resource $fp File pointer to save the message part
	* @param boolean $skip_charset_conv Disables charset conversion
	* @param int $max_bytes Only read this number of bytes
	*
	* @return string Part content
	*/
	public function get_part_content($mime_id, $fp = null, $skip_charset_conv = false, $max_bytes = 0)
	{
	if ($part = $this->mime_parts[$mime_id]) {
	// stored in message structure (winmail/inline-uuencode)
	if (!empty($part->body) \|\| $part->encoding == 'stream') {
	if ($fp) {
	fwrite($fp, $part->body);
	}
	return $fp ? true : $part->body;
	}

	// get from IMAP
	$this->storage->set_folder($this->folder);

	return $this->storage->get_message_part($this->uid, $mime_id, $part, NULL, $fp, $skip_charset_conv, $max_bytes);
	}
	}


	/**
	- * Determine if the message contains a HTML part
	+ * Determine if the message contains a HTML part. This must to be
	+ * a real part not an attachment (or its part)
	+ * This must to be
	+ * a real part not an attachment (or its part)
	*
	- * @param bool $recursive Enables checking in all levels of the structure
	- * @param bool $enriched Enables checking for text/enriched parts too
	+ * @param bool $enriched Enables checking for text/enriched parts too
	*
	* @return bool True if a HTML is available, False if not
	*/
	- function has_html_part($recursive = true, $enriched = false)
	+ function has_html_part($enriched = false)
	{
	// check all message parts
	foreach ($this->parts as $part) {
	if ($part->mimetype == 'text/html' \|\| ($enriched && $part->mimetype == 'text/enriched')) {
	- // Level check, we'll skip e.g. HTML attachments
	- if (!$recursive) {
	- $level = explode('.', $part->mime_id);
	+ // Skip if part is an attachment
	+ if ($this->is_attachment($part)) {
	+ continue;
	+ }

	- // Skip if part is an attachment
	- if ($this->is_attachment($part)) {
	- continue;
	+ $level = explode('.', $part->mime_id);
	+
	+ // Check if the part belongs to higher-level's alternative/related
	+ while (array_pop($level) !== null) {
	+ if (!count($level)) {
	+ return true;
	}

	- // Check if the part belongs to higher-level's alternative/related
	- while (array_pop($level) !== null) {
	- if (!count($level)) {
	- return true;
	- }
	+ $parent = $this->mime_parts[join('.', $level)];
	+ if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
	+ continue 2;
	+ }
	+ }

	- $parent = $this->mime_parts[join('.', $level)];
	- if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
	- continue 2;
	- }
	+ if ($part->size) {
	+ return true;
	+ }
	+ }
	+ }
	+
	+ return false;
	+ }
	+
	+
	+ /**
	+ * Determine if the message contains a text/plain part. This must to be
	+ * a real part not an attachment (or its part)
	+ *
	+ * @return bool True if a plain text part is available, False if not
	+ */
	+ function has_text_part()
	+ {
	+ // check all message parts
	+ foreach ($this->parts as $part) {
	+ if ($part->mimetype == 'text/plain') {
	+ // Skip if part is an attachment
	+ if ($this->is_attachment($part)) {
	+ continue;
	+ }
	+
	+ $level = explode('.', $part->mime_id);
	+
	+ // Check if the part belongs to higher-level's alternative/related
	+ while (array_pop($level) !== null) {
	+ if (!count($level)) {
	+ return true;
	+ }
	+
	+ $parent = $this->mime_parts[join('.', $level)];
	+ if ($parent->mimetype != 'multipart/alternative' && $parent->mimetype != 'multipart/related') {
	+ continue 2;
	}
	}

	- return true;
	+ if ($part->size) {
	+ return true;
	+ }
	}
	}

	return false;
	}


	/**
	* Return the first HTML part of this message
	*
	* @return string HTML message part content
	*/
	function first_html_part()
	{
	// check all message parts
	foreach ($this->mime_parts as $pid => $part) {
	if ($part->mimetype == 'text/html') {
	return $this->get_part_content($pid);
	}
	}
	}


	/**
	* Return the first text part of this message
	*
	* @param rcube_message_part $part Reference to the part if found
	* @return string Plain text message/part content
	*/
	function first_text_part(&$part=null)
	{
	// no message structure, return complete body
	if (empty($this->parts))
	return $this->body;

	// check all message parts
	foreach ($this->mime_parts as $mime_id => $part) {
	if ($part->mimetype == 'text/plain') {
	return $this->get_part_content($mime_id);
	}
	else if ($part->mimetype == 'text/html') {
	$out = $this->get_part_content($mime_id);

	// create instance of html2text class
	$txt = new rcube_html2text($out);
	return $txt->get_text();
	}
	}

	$part = null;
	return null;
	}


	/**
	* Checks if part of the message is an attachment (or part of it)
	*
	* @param rcube_message_part $part Message part
	*
	* @return bool True if the part is an attachment part
	*/
	public function is_attachment($part)
	{
	foreach ($this->attachments as $att_part) {
	if ($att_part->mime_id == $part->mime_id) {
	return true;
	}

	// check if the part is a subpart of another attachment part (message/rfc822)
	if ($att_part->mimetype == 'message/rfc822') {
	if (in_array($part, (array)$att_part->parts)) {
	return true;
	}
	}
	}

	return false;
	}


	/**
	* Read the message structure returend by the IMAP server
	* and build flat lists of content parts and attachments
	*
	* @param rcube_message_part $structure Message structure node
	* @param bool $recursive True when called recursively
	*/
	private function parse_structure($structure, $recursive = false)
	{
	// real content-type of message/rfc822 part
	if ($structure->mimetype == 'message/rfc822' && $structure->real_mimetype) {
	$mimetype = $structure->real_mimetype;

	// parse headers from message/rfc822 part
	if (!isset($structure->headers['subject']) && !isset($structure->headers['from'])) {
	list($headers, $dump) = explode("\r\n\r\n", $this->get_part_content($structure->mime_id, null, true, 8192));
	$structure->headers = rcube_mime::parse_headers($headers);
	}
	}
	else
	$mimetype = $structure->mimetype;

	// show message headers
	if ($recursive && is_array($structure->headers) && (isset($structure->headers['subject']) \|\| isset($structure->headers['from']))) {
	$c = new stdClass;
	$c->type = 'headers';
	$c->headers = $structure->headers;
	$this->parts[] = $c;
	}

	// Allow plugins to handle message parts
	$plugin = $this->app->plugins->exec_hook('message_part_structure',
	array('object' => $this, 'structure' => $structure,
	'mimetype' => $mimetype, 'recursive' => $recursive));

	if ($plugin['abort'])
	return;

	$structure = $plugin['structure'];
	list($message_ctype_primary, $message_ctype_secondary) = explode('/', $plugin['mimetype']);

	// print body if message doesn't have multiple parts
	if ($message_ctype_primary == 'text' && !$recursive) {
	// parts with unsupported type add to attachments list
	if (!in_array($message_ctype_secondary, array('plain', 'html', 'enriched'))) {
	$this->attachments[] = $structure;
	return;
	}

	$structure->type = 'content';
	$this->parts[] = $structure;

	// Parse simple (plain text) message body
	if ($message_ctype_secondary == 'plain') {
	foreach ((array)$this->uu_decode($structure) as $uupart) {
	$this->mime_parts[$uupart->mime_id] = $uupart;
	$this->attachments[] = $uupart;
	}
	}
	}
	// the same for pgp signed messages
	else if ($mimetype == 'application/pgp' && !$recursive) {
	$structure->type = 'content';
	$this->parts[] = $structure;
	}
	// message contains (more than one!) alternative parts
	else if ($mimetype == 'multipart/alternative'
	&& is_array($structure->parts) && count($structure->parts) > 1
	) {
	$plain_part = null;
	$html_part = null;
	$print_part = null;
	$related_part = null;
	$attach_part = null;

	// get html/plaintext parts, other add to attachments list
	foreach ($structure->parts as $p => $sub_part) {
	$sub_mimetype = $sub_part->mimetype;
	$is_multipart = preg_match('/^multipart\/(related\|relative\|mixed\|alternative)/', $sub_mimetype);

	// skip empty text parts
	if (!$sub_part->size && !$is_multipart) {
	continue;
	}

	// check if sub part is
	if ($is_multipart)
	$related_part = $p;
	else if ($sub_mimetype == 'text/plain')
	$plain_part = $p;
	else if ($sub_mimetype == 'text/html')
	$html_part = $p;
	else if ($sub_mimetype == 'text/enriched')
	$enriched_part = $p;
	else
	$attach_part = $p;
	}

	// parse related part (alternative part could be in here)
	if ($related_part !== null && !$this->parse_alternative) {
	$this->parse_alternative = true;
	$this->parse_structure($structure->parts[$related_part], true);
	$this->parse_alternative = false;

	// if plain part was found, we should unset it if html is preferred
	if ($this->opt['prefer_html'] && count($this->parts))
	$plain_part = null;
	}

	// choose html/plain part to print
	if ($html_part !== null && $this->opt['prefer_html']) {
	$print_part = $structure->parts[$html_part];
	}
	else if ($enriched_part !== null) {
	$print_part = $structure->parts[$enriched_part];
	}
	else if ($plain_part !== null) {
	$print_part = $structure->parts[$plain_part];
	}

	// add the right message body
	if (is_object($print_part)) {
	$print_part->type = 'content';
	$this->parts[] = $print_part;
	}
	// show plaintext warning
	else if ($html_part !== null && empty($this->parts)) {
	$c = new stdClass;
	$c->type = 'content';
	$c->ctype_primary = 'text';
	$c->ctype_secondary = 'plain';
	$c->mimetype = 'text/plain';
	$c->realtype = 'text/html';

	$this->parts[] = $c;
	}

	// add html part as attachment
	if ($html_part !== null && $structure->parts[$html_part] !== $print_part) {
	$html_part = $structure->parts[$html_part];
	$html_part->mimetype = 'text/html';

	$this->attachments[] = $html_part;
	}

	// add unsupported/unrecognized parts to attachments list
	if ($attach_part) {
	$this->attachments[] = $structure->parts[$attach_part];
	}
	}
	// this is an ecrypted message -> create a plaintext body with the according message
	else if ($mimetype == 'multipart/encrypted') {
	$p = new stdClass;
	$p->type = 'content';
	$p->ctype_primary = 'text';
	$p->ctype_secondary = 'plain';
	$p->mimetype = 'text/plain';
	$p->realtype = 'multipart/encrypted';

	$this->parts[] = $p;
	}
	// this is an S/MIME ecrypted message -> create a plaintext body with the according message
	else if ($mimetype == 'application/pkcs7-mime') {
	$p = new stdClass;
	$p->type = 'content';
	$p->ctype_primary = 'text';
	$p->ctype_secondary = 'plain';
	$p->mimetype = 'text/plain';
	$p->realtype = 'application/pkcs7-mime';

	$this->parts[] = $p;
	}
	// message contains multiple parts
	else if (is_array($structure->parts) && !empty($structure->parts)) {
	// iterate over parts
	for ($i=0; $i < count($structure->parts); $i++) {
	$mail_part = &$structure->parts[$i];
	$primary_type = $mail_part->ctype_primary;
	$secondary_type = $mail_part->ctype_secondary;

	// real content-type of message/rfc822
	if ($mail_part->real_mimetype) {
	$part_orig_mimetype = $mail_part->mimetype;
	$part_mimetype = $mail_part->real_mimetype;
	list($primary_type, $secondary_type) = explode('/', $part_mimetype);
	}
	else
	$part_mimetype = $mail_part->mimetype;

	// multipart/alternative
	if ($primary_type == 'multipart') {
	$this->parse_structure($mail_part, true);

	// list message/rfc822 as attachment as well (mostly .eml)
	if ($part_orig_mimetype == 'message/rfc822' && !empty($mail_part->filename))
	$this->attachments[] = $mail_part;
	}
	// part text/[plain\|html] or delivery status
	else if ((($part_mimetype == 'text/plain' \|\| $part_mimetype == 'text/html') && $mail_part->disposition != 'attachment') \|\|
	in_array($part_mimetype, array('message/delivery-status', 'text/rfc822-headers', 'message/disposition-notification'))
	) {
	// Allow plugins to handle also this part
	$plugin = $this->app->plugins->exec_hook('message_part_structure',
	array('object' => $this, 'structure' => $mail_part,
	'mimetype' => $part_mimetype, 'recursive' => true));

	if ($plugin['abort'])
	continue;

	if ($part_mimetype == 'text/html' && $mail_part->size) {
	$got_html_part = true;
	}

	$mail_part = $plugin['structure'];
	list($primary_type, $secondary_type) = explode('/', $plugin['mimetype']);

	// add text part if it matches the prefs
	if (!$this->parse_alternative \|\|
	($secondary_type == 'html' && $this->opt['prefer_html']) \|\|
	($secondary_type == 'plain' && !$this->opt['prefer_html'])
	) {
	$mail_part->type = 'content';
	$this->parts[] = $mail_part;
	}

	// list as attachment as well
	if (!empty($mail_part->filename)) {
	$this->attachments[] = $mail_part;
	}
	// list html part as attachment (here the part is most likely inside a multipart/related part)
	else if ($this->parse_alternative && ($secondary_type == 'html' && !$this->opt['prefer_html'])) {
	$this->attachments[] = $mail_part;
	}
	}
	// part message/*
	else if ($primary_type == 'message') {
	$this->parse_structure($mail_part, true);

	// list as attachment as well (mostly .eml)
	if (!empty($mail_part->filename))
	$this->attachments[] = $mail_part;
	}
	// ignore "virtual" protocol parts
	else if ($primary_type == 'protocol') {
	continue;
	}
	// part is Microsoft Outlook TNEF (winmail.dat)
	else if ($part_mimetype == 'application/ms-tnef') {
	foreach ((array)$this->tnef_decode($mail_part) as $tpart) {
	$this->mime_parts[$tpart->mime_id] = $tpart;
	$this->attachments[] = $tpart;
	}
	}
	// part is a file/attachment
	else if (preg_match('/^(inline\|attach)/', $mail_part->disposition) \|\|
	$mail_part->headers['content-id'] \|\|
	($mail_part->filename &&
	(empty($mail_part->disposition) \|\| preg_match('/^[a-z0-9!#$&.+^_-]+$/i', $mail_part->disposition)))
	) {
	// skip apple resource forks
	if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile')
	continue;

	// part belongs to a related message and is linked
	if (preg_match('/^multipart\/(related\|relative)/', $mimetype)
	&& ($mail_part->headers['content-id'] \|\| $mail_part->headers['content-location'])) {
	if ($mail_part->headers['content-id'])
	$mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
	if ($mail_part->headers['content-location'])
	$mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];

	$this->inline_parts[] = $mail_part;
	}
	// attachment encapsulated within message/rfc822 part needs further decoding (#1486743)
	else if ($part_orig_mimetype == 'message/rfc822') {
	$this->parse_structure($mail_part, true);

	// list as attachment as well (mostly .eml)
	if (!empty($mail_part->filename))
	$this->attachments[] = $mail_part;
	}
	// regular attachment with valid content type
	// (content-type name regexp according to RFC4288.4.2)
	else if (preg_match('/^[a-z0-9!#$&.+^_-]+\/[a-z0-9!#$&.+^_-]+$/i', $part_mimetype)) {
	$this->attachments[] = $mail_part;
	}
	// attachment with invalid content type
	// replace malformed content type with application/octet-stream (#1487767)
	else if ($mail_part->filename) {
	$mail_part->ctype_primary = 'application';
	$mail_part->ctype_secondary = 'octet-stream';
	$mail_part->mimetype = 'application/octet-stream';

	$this->attachments[] = $mail_part;
	}
	}
	// attachment part as message/rfc822 (#1488026)
	else if ($mail_part->mimetype == 'message/rfc822') {
	$this->parse_structure($mail_part);
	}
	}

	// if this was a related part try to resolve references
	if (preg_match('/^multipart\/(related\|relative)/', $mimetype) && sizeof($this->inline_parts)) {
	$a_replaces = array();
	$img_regexp = '/^image\/(gif\|jpe?g\|png\|tiff\|bmp\|svg)/';

	foreach ($this->inline_parts as $inline_object) {
	$part_url = $this->get_part_url($inline_object->mime_id, true);
	if (isset($inline_object->content_id))
	$a_replaces['cid:'.$inline_object->content_id] = $part_url;
	if ($inline_object->content_location) {
	$a_replaces[$inline_object->content_location] = $part_url;
	}

	if (!empty($inline_object->filename)) {
	// MS Outlook sends sometimes non-related attachments as related
	// In this case multipart/related message has only one text part
	// We'll add all such attachments to the attachments list
	if (!isset($got_html_part) && empty($inline_object->content_id)) {
	$this->attachments[] = $inline_object;
	}
	// MS Outlook sometimes also adds non-image attachments as related
	// We'll add all such attachments to the attachments list
	// Warning: some browsers support pdf in <img/>
	else if (!preg_match($img_regexp, $inline_object->mimetype)) {
	$this->attachments[] = $inline_object;
	}
	// @TODO: we should fetch HTML body and find attachment's content-id
	// to handle also image attachments without reference in the body
	// @TODO: should we list all image attachments in text mode?
	}
	}

	// add replace array to each content part
	// (will be applied later when part body is available)
	foreach ($this->parts as $i => $part) {
	if ($part->type == 'content')
	$this->parts[$i]->replaces = $a_replaces;
	}
	}
	}
	// message is a single part non-text
	else if ($structure->filename) {
	$this->attachments[] = $structure;
	}
	// message is a single part non-text (without filename)
	else if (preg_match('/application\//i', $mimetype)) {
	$this->attachments[] = $structure;
	}
	}


	/**
	* Fill aflat array with references to all parts, indexed by part numbers
	*
	* @param rcube_message_part $part Message body structure
	*/
	private function get_mime_numbers(&$part)
	{
	if (strlen($part->mime_id))
	$this->mime_parts[$part->mime_id] = &$part;

	if (is_array($part->parts))
	for ($i=0; $i<count($part->parts); $i++)
	$this->get_mime_numbers($part->parts[$i]);
	}


	/**
	* Decode a Microsoft Outlook TNEF part (winmail.dat)
	*
	* @param rcube_message_part $part Message part to decode
	* @return array
	*/
	function tnef_decode(&$part)
	{
	// @TODO: attachment may be huge, hadle it via file
	if (!isset($part->body)) {
	$this->storage->set_folder($this->folder);
	$part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
	}

	$parts = array();
	$tnef = new tnef_decoder;
	$tnef_arr = $tnef->decompress($part->body);

	foreach ($tnef_arr as $pid => $winatt) {
	$tpart = new rcube_message_part;

	$tpart->filename = trim($winatt['name']);
	$tpart->encoding = 'stream';
	$tpart->ctype_primary = trim(strtolower($winatt['type']));
	$tpart->ctype_secondary = trim(strtolower($winatt['subtype']));
	$tpart->mimetype = $tpart->ctype_primary . '/' . $tpart->ctype_secondary;
	$tpart->mime_id = 'winmail.' . $part->mime_id . '.' . $pid;
	$tpart->size = $winatt['size'];
	$tpart->body = $winatt['stream'];

	$parts[] = $tpart;
	unset($tnef_arr[$pid]);
	}

	return $parts;
	}


	/**
	* Parse message body for UUencoded attachments bodies
	*
	* @param rcube_message_part $part Message part to decode
	* @return array
	*/
	function uu_decode(&$part)
	{
	// @TODO: messages may be huge, hadle body via file
	if (!isset($part->body)) {
	$this->storage->set_folder($this->folder);
	$part->body = $this->storage->get_message_part($this->uid, $part->mime_id, $part);
	}

	$parts = array();
	// FIXME: line length is max.65?
	$uu_regexp = '/begin [0-7]{3,4} ([^\n]+)\n/s';

	if (preg_match_all($uu_regexp, $part->body, $matches, PREG_SET_ORDER)) {
	// update message content-type
	$part->ctype_primary = 'multipart';
	$part->ctype_secondary = 'mixed';
	$part->mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
	$uu_endstring = "`\nend\n";

	// add attachments to the structure
	foreach ($matches as $pid => $att) {
	$startpos = strpos($part->body, $att[1]) + strlen($att[1]) + 1; // "\n"
	$endpos = strpos($part->body, $uu_endstring);
	$filebody = substr($part->body, $startpos, $endpos-$startpos);

	// remove attachments bodies from the message body
	$part->body = substr_replace($part->body, "", $startpos, $endpos+strlen($uu_endstring)-$startpos);

	$uupart = new rcube_message_part;

	$uupart->filename = trim($att[1]);
	$uupart->encoding = 'stream';
	$uupart->body = convert_uudecode($filebody);
	$uupart->size = strlen($uupart->body);
	$uupart->mime_id = 'uu.' . $part->mime_id . '.' . $pid;

	$ctype = rcube_mime::content_type($uupart->body, $uupart->filename, 'application/octet-stream', true);
	$uupart->mimetype = $ctype;
	list($uupart->ctype_primary, $uupart->ctype_secondary) = explode('/', $ctype);

	$parts[] = $uupart;
	unset($matches[$pid]);
	}

	// remove attachments bodies from the message body
	$part->body = preg_replace($uu_regexp, '', $part->body);
	}

	return $parts;
	}


	/**
	* Deprecated methods (to be removed)
	*/

	public static function unfold_flowed($text)
	{
	return rcube_mime::unfold_flowed($text);
	}

	public static function format_flowed($text, $length = 72)
	{
	return rcube_mime::format_flowed($text, $length);
	}

	}
	diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
	index d7cfe7ddd..dd6a1d88c 100644
	--- a/program/steps/mail/compose.inc
	+++ b/program/steps/mail/compose.inc
	@@ -1,1632 +1,1632 @@
	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/mail/compose.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2012, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Compose a new mail message with all headers and attachments \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	// define constants for message compose mode
	define('RCUBE_COMPOSE_REPLY', 'reply');
	define('RCUBE_COMPOSE_FORWARD', 'forward');
	define('RCUBE_COMPOSE_DRAFT', 'draft');
	define('RCUBE_COMPOSE_EDIT', 'edit');

	$MESSAGE_FORM = null;
	$COMPOSE_ID = get_input_value('_id', RCUBE_INPUT_GET);
	$COMPOSE = null;

	if ($COMPOSE_ID && $_SESSION['compose_data_'.$COMPOSE_ID])
	$COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];

	// give replicated session storage some time to synchronize
	$retries = 0;
	while ($COMPOSE_ID && !is_array($COMPOSE) && $RCMAIL->db->is_replicated() && $retries++ < 5) {
	usleep(500000);
	$RCMAIL->session->reload();
	if ($_SESSION['compose_data_'.$COMPOSE_ID])
	$COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
	}

	// Nothing below is called during message composition, only at "new/forward/reply/draft" initialization or
	// if a compose-ID is given (i.e. when the compose step is opened in a new window/tab).
	if (!is_array($COMPOSE))
	{
	// Infinite redirect prevention in case of broken session (#1487028)
	if ($COMPOSE_ID)
	raise_error(array('code' => 500, 'type' => 'php',
	'file' => __FILE__, 'line' => __LINE__,
	'message' => "Invalid compose ID"), true, true);

	$COMPOSE_ID = uniqid(mt_rand());
	$_SESSION['compose_data_'.$COMPOSE_ID] = array(
	'id' => $COMPOSE_ID,
	'param' => request2param(RCUBE_INPUT_GET),
	'mailbox' => $RCMAIL->storage->get_folder(),
	);
	$COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];

	// process values like "mailto:foo@bar.com?subject=new+message&cc=another"
	if ($COMPOSE['param']['to']) {
	// #1486037: remove "mailto:" prefix
	$COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $COMPOSE['param']['to']);
	$mailto = explode('?', $COMPOSE['param']['to']);
	if (count($mailto) > 1) {
	$COMPOSE['param']['to'] = $mailto[0];
	parse_str($mailto[1], $query);
	foreach ($query as $f => $val)
	$COMPOSE['param'][$f] = $val;
	}
	}

	// select folder where to save the sent message
	$COMPOSE['param']['sent_mbox'] = $RCMAIL->config->get('sent_mbox');

	// pipe compose parameters thru plugins
	$plugin = $RCMAIL->plugins->exec_hook('message_compose', $COMPOSE);
	$COMPOSE['param'] = array_merge($COMPOSE['param'], $plugin['param']);

	// add attachments listed by message_compose hook
	if (is_array($plugin['attachments'])) {
	foreach ($plugin['attachments'] as $attach) {
	// we have structured data
	if (is_array($attach)) {
	$attachment = $attach;
	}
	// only a file path is given
	else {
	$filename = basename($attach);
	$attachment = array(
	'group' => $COMPOSE_ID,
	'name' => $filename,
	'mimetype' => rc_mime_content_type($attach, $filename),
	'path' => $attach,
	);
	}

	// save attachment if valid
	if (($attachment['data'] && $attachment['name']) \|\| ($attachment['path'] && file_exists($attachment['path']))) {
	$attachment = rcmail::get_instance()->plugins->exec_hook('attachment_save', $attachment);
	}

	if ($attachment['status'] && !$attachment['abort']) {
	unset($attachment['data'], $attachment['status'], $attachment['abort']);
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	}
	}
	}

	// check if folder for saving sent messages exists and is subscribed (#1486802)
	if ($sent_folder = $COMPOSE['param']['sent_mbox']) {
	rcmail_check_sent_folder($sent_folder, true);
	}

	// redirect to a unique URL with all parameters stored in session
	$OUTPUT->redirect(array(
	'_action' => 'compose',
	'_id' => $COMPOSE['id'],
	'_search' => $_REQUEST['_search'],
	));
	}


	// add some labels to client
	$OUTPUT->add_label('nosubject', 'nosenderwarning', 'norecipientwarning', 'nosubjectwarning', 'cancel',
	'nobodywarning', 'notsentwarning', 'notuploadedwarning', 'savingmessage', 'sendingmessage',
	'messagesaved', 'converting', 'editorwarning', 'searching', 'uploading', 'uploadingmany',
	'fileuploaderror', 'sendmessage');

	$OUTPUT->set_env('compose_id', $COMPOSE['id']);
	$OUTPUT->set_pagetitle(rcube_label('compose'));

	// add config parameters to client script
	if (!empty($CONFIG['drafts_mbox'])) {
	$OUTPUT->set_env('drafts_mailbox', $CONFIG['drafts_mbox']);
	$OUTPUT->set_env('draft_autosave', $CONFIG['draft_autosave']);
	}
	// set current mailbox in client environment
	$OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder());
	$OUTPUT->set_env('sig_above', $RCMAIL->config->get('sig_above', false));
	$OUTPUT->set_env('top_posting', intval($RCMAIL->config->get('reply_mode')) > 0);
	$OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));

	// default font for HTML editor
	$font = rcube_fontdefs($RCMAIL->config->get('default_font', 'Verdana'));
	if ($font && !is_array($font)) {
	$OUTPUT->set_env('default_font', $font);
	}

	// get reference message and set compose mode
	if ($msg_uid = $COMPOSE['param']['draft_uid']) {
	$compose_mode = RCUBE_COMPOSE_DRAFT;
	$RCMAIL->storage->set_folder($CONFIG['drafts_mbox']);
	}
	else if ($msg_uid = $COMPOSE['param']['reply_uid']) {
	$compose_mode = RCUBE_COMPOSE_REPLY;
	}
	else if ($msg_uid = $COMPOSE['param']['forward_uid']) {
	$compose_mode = RCUBE_COMPOSE_FORWARD;
	$COMPOSE['forward_uid'] = $msg_uid;
	$COMPOSE['as_attachment'] = !empty($COMPOSE['param']['attachment']);
	}
	else if ($msg_uid = $COMPOSE['param']['uid']) {
	$compose_mode = RCUBE_COMPOSE_EDIT;
	}
	$OUTPUT->set_env('compose_mode', $compose_mode);

	$config_show_sig = $RCMAIL->config->get('show_sig', 1);
	if ($compose_mode == RCUBE_COMPOSE_EDIT \|\| $compose_mode == RCUBE_COMPOSE_DRAFT) {
	// don't add signature in draft/edit mode, we'll also not remove the old-one
	}
	else if ($config_show_sig == 1)
	$OUTPUT->set_env('show_sig', true);
	else if ($config_show_sig == 2 && empty($compose_mode))
	$OUTPUT->set_env('show_sig', true);
	else if ($config_show_sig == 3 && ($compose_mode == RCUBE_COMPOSE_REPLY \|\| $compose_mode == RCUBE_COMPOSE_FORWARD))
	$OUTPUT->set_env('show_sig', true);

	// set line length for body wrapping
	$LINE_LENGTH = $RCMAIL->config->get('line_length', 72);

	if (!empty($msg_uid) && empty($COMPOSE['as_attachment']))
	{
	// similar as in program/steps/mail/show.inc
	// re-set 'prefer_html' to have possibility to use html part for compose
	$CONFIG['prefer_html'] = $CONFIG['prefer_html'] \|\| $CONFIG['htmleditor'] \|\| $compose_mode == RCUBE_COMPOSE_DRAFT \|\| $compose_mode == RCUBE_COMPOSE_EDIT;
	$MESSAGE = new rcube_message($msg_uid);

	// make sure message is marked as read
	if ($MESSAGE->headers && empty($MESSAGE->headers->flags['SEEN']))
	$RCMAIL->storage->set_flag($msg_uid, 'SEEN');

	if (!empty($MESSAGE->headers->charset))
	$RCMAIL->storage->set_charset($MESSAGE->headers->charset);

	if ($compose_mode == RCUBE_COMPOSE_REPLY) {
	$COMPOSE['reply_uid'] = $msg_uid;
	$COMPOSE['reply_msgid'] = $MESSAGE->headers->messageID;
	$COMPOSE['references'] = trim($MESSAGE->headers->references . " " . $MESSAGE->headers->messageID);

	if (!empty($COMPOSE['param']['all']))
	$MESSAGE->reply_all = $COMPOSE['param']['all'];

	// Save the sent message in the same folder of the message being replied to
	if ($RCMAIL->config->get('reply_same_folder') && ($sent_folder = $COMPOSE['mailbox'])
	&& rcmail_check_sent_folder($sent_folder, false)
	) {
	$COMPOSE['param']['sent_mbox'] = $sent_folder;
	}
	}
	else if ($compose_mode == RCUBE_COMPOSE_DRAFT) {
	if ($MESSAGE->headers->others['x-draft-info']) {
	// get reply_uid/forward_uid to flag the original message when sending
	$info = rcmail_draftinfo_decode($MESSAGE->headers->others['x-draft-info']);

	if ($info['type'] == 'reply')
	$COMPOSE['reply_uid'] = $info['uid'];
	else if ($info['type'] == 'forward')
	$COMPOSE['forward_uid'] = $info['uid'];

	$COMPOSE['mailbox'] = $info['folder'];

	// Save the sent message in the same folder of the message being replied to
	if ($RCMAIL->config->get('reply_same_folder') && ($sent_folder = $info['folder'])
	&& rcmail_check_sent_folder($sent_folder, false)
	) {
	$COMPOSE['param']['sent_mbox'] = $sent_folder;
	}
	}

	if ($MESSAGE->headers->in_reply_to)
	$COMPOSE['reply_msgid'] = '<'.$MESSAGE->headers->in_reply_to.'>';

	$COMPOSE['references'] = $MESSAGE->headers->references;
	}
	}
	else {
	$MESSAGE = new stdClass();
	}

	$MESSAGE->compose = array();

	// get user's identities
	$MESSAGE->identities = $RCMAIL->user->list_identities(null, true);

	// Set From field value
	if (!empty($_POST['_from'])) {
	$MESSAGE->compose['from'] = get_input_value('_from', RCUBE_INPUT_POST);
	}
	else if (!empty($COMPOSE['param']['from'])) {
	$MESSAGE->compose['from'] = $COMPOSE['param']['from'];
	}
	else if (count($MESSAGE->identities)) {
	$ident = rcmail_identity_select($MESSAGE, $MESSAGE->identities, $compose_mode);

	$MESSAGE->compose['from_email'] = $ident['email'];
	$MESSAGE->compose['from'] = $ident['identity_id'];
	}

	// Set other headers
	$a_recipients = array();
	$parts = array('to', 'cc', 'bcc', 'replyto', 'followupto');
	$separator = trim($RCMAIL->config->get('recipients_separator', ',')) . ' ';

	foreach ($parts as $header) {
	$fvalue = '';
	$decode_header = true;

	// we have a set of recipients stored is session
	if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
	&& $_SESSION['mailto'][$mailto_id]
	) {
	$fvalue = urldecode($_SESSION['mailto'][$mailto_id]);
	$decode_header = false;

	// make session to not grow up too much
	unset($_SESSION['mailto'][$mailto_id]);
	$COMPOSE['param']['to'] = $fvalue;
	}
	else if (!empty($_POST['_'.$header])) {
	$fvalue = get_input_value('_'.$header, RCUBE_INPUT_POST, TRUE);
	}
	else if (!empty($COMPOSE['param'][$header])) {
	$fvalue = $COMPOSE['param'][$header];
	}
	else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
	// get recipent address(es) out of the message headers
	if ($header == 'to') {
	$mailfollowup = $MESSAGE->headers->others['mail-followup-to'];
	$mailreplyto = $MESSAGE->headers->others['mail-reply-to'];

	// Reply to mailing list...
	if ($MESSAGE->reply_all == 'list' && $mailfollowup)
	$fvalue = $mailfollowup;
	else if ($MESSAGE->reply_all == 'list'
	&& preg_match('/<mailto:([^>]+)>/i', $MESSAGE->headers->others['list-post'], $m))
	$fvalue = $m[1];
	// Reply to...
	else if ($MESSAGE->reply_all && $mailfollowup)
	$fvalue = $mailfollowup;
	else if ($mailreplyto)
	$fvalue = $mailreplyto;
	else if (!empty($MESSAGE->headers->replyto))
	$fvalue = $MESSAGE->headers->replyto;
	else if (!empty($MESSAGE->headers->from))
	$fvalue = $MESSAGE->headers->from;

	// Reply to message sent by yourself (#1487074)
	if (!empty($ident) && $fvalue == $ident['ident']) {
	$fvalue = $MESSAGE->headers->to;
	}
	}
	// add recipient of original message if reply to all
	else if ($header == 'cc' && !empty($MESSAGE->reply_all) && $MESSAGE->reply_all != 'list') {
	if ($v = $MESSAGE->headers->to)
	$fvalue .= $v;
	if ($v = $MESSAGE->headers->cc)
	$fvalue .= (!empty($fvalue) ? $separator : '') . $v;
	}
	}
	else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT))) {
	// get drafted headers
	if ($header=='to' && !empty($MESSAGE->headers->to))
	$fvalue = $MESSAGE->get_header('to', true);
	else if ($header=='cc' && !empty($MESSAGE->headers->cc))
	$fvalue = $MESSAGE->get_header('cc', true);
	else if ($header=='bcc' && !empty($MESSAGE->headers->bcc))
	$fvalue = $MESSAGE->get_header('bcc', true);
	else if ($header=='replyto' && !empty($MESSAGE->headers->others['mail-reply-to']))
	$fvalue = $MESSAGE->get_header('mail-reply-to');
	else if ($header=='replyto' && !empty($MESSAGE->headers->replyto))
	$fvalue = $MESSAGE->get_header('reply-to');
	else if ($header=='followupto' && !empty($MESSAGE->headers->others['mail-followup-to']))
	$fvalue = $MESSAGE->get_header('mail-followup-to');
	}

	// split recipients and put them back together in a unique way
	if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
	$to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $MESSAGE->headers->charset);
	$fvalue = array();

	foreach ($to_addresses as $addr_part) {
	if (empty($addr_part['mailto']))
	continue;

	$mailto = format_email(rcube_idn_to_utf8($addr_part['mailto']));

	if (!in_array($mailto, $a_recipients)
	&& ($header == 'to' \|\| empty($MESSAGE->compose['from_email']) \|\| $mailto != $MESSAGE->compose['from_email'])
	) {
	if ($addr_part['name'] && $addr_part['mailto'] != $addr_part['name'])
	$string = format_email_recipient($mailto, $addr_part['name']);
	else
	$string = $mailto;

	$fvalue[] = $string;
	$a_recipients[] = $addr_part['mailto'];
	}
	}

	$fvalue = implode($separator, $fvalue);
	}

	$MESSAGE->compose[$header] = $fvalue;
	}
	unset($a_recipients);

	// process $MESSAGE body/attachments, set $MESSAGE_BODY/$HTML_MODE vars and some session data
	$MESSAGE_BODY = rcmail_prepare_message_body();


	/**** compose mode functions ******/

	function rcmail_compose_headers($attrib)
	{
	global $MESSAGE;

	list($form_start, $form_end) = get_form_tags($attrib);

	$out = '';
	$part = strtolower($attrib['part']);

	switch ($part)
	{
	case 'from':
	return $form_start . rcmail_compose_header_from($attrib);

	case 'to':
	case 'cc':
	case 'bcc':
	$fname = '_' . $part;
	$header = $param = $part;

	$allow_attrib = array('id', 'class', 'style', 'cols', 'rows', 'tabindex');
	$field_type = 'html_textarea';
	break;

	case 'replyto':
	case 'reply-to':
	$fname = '_replyto';
	$param = 'replyto';
	$header = 'reply-to';

	case 'followupto':
	case 'followup-to':
	if (!$fname) {
	$fname = '_followupto';
	$param = 'followupto';
	$header = 'mail-followup-to';
	}

	$allow_attrib = array('id', 'class', 'style', 'size', 'tabindex');
	$field_type = 'html_inputfield';
	break;
	}

	if ($fname && $field_type)
	{
	// pass the following attributes to the form class
	$field_attrib = array('name' => $fname, 'spellcheck' => 'false');
	foreach ($attrib as $attr => $value)
	if (in_array($attr, $allow_attrib))
	$field_attrib[$attr] = $value;

	// create teaxtarea object
	$input = new $field_type($field_attrib);
	$out = $input->show($MESSAGE->compose[$param]);
	}

	if ($form_start)
	$out = $form_start.$out;

	// configure autocompletion
	rcube_autocomplete_init();

	return $out;
	}


	function rcmail_compose_header_from($attrib)
	{
	global $MESSAGE, $OUTPUT, $RCMAIL, $compose_mode;

	// pass the following attributes to the form class
	$field_attrib = array('name' => '_from');
	foreach ($attrib as $attr => $value)
	if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex')))
	$field_attrib[$attr] = $value;

	if (count($MESSAGE->identities))
	{
	$a_signatures = array();
	$separator = $RCMAIL->config->get('sig_above')
	&& ($compose_mode == RCUBE_COMPOSE_REPLY \|\| $compose_mode == RCUBE_COMPOSE_FORWARD) ? '---' : '-- ';

	$field_attrib['onchange'] = JS_OBJECT_NAME.".change_identity(this)";
	$select_from = new html_select($field_attrib);

	// create SELECT element
	foreach ($MESSAGE->identities as $sql_arr)
	{
	$identity_id = $sql_arr['identity_id'];
	$select_from->add(format_email_recipient($sql_arr['email'], $sql_arr['name']), $identity_id);

	// add signature to array
	if (!empty($sql_arr['signature']) && empty($COMPOSE['param']['nosig']))
	{
	$text = $html = $sql_arr['signature'];

	if ($sql_arr['html_signature']) {
	$h2t = new rcube_html2text($sql_arr['signature'], false, false);
	$text = trim($h2t->get_text());
	}
	else {
	$html = htmlentities($html, ENT_NOQUOTES, RCMAIL_CHARSET);
	}

	if (!preg_match('/^--[ -]\r?\n/m', $text)) {
	$text = $separator . "\n" . $text;
	$html = $separator . "<br>" . $html;
	}

	if (!$sql_arr['html_signature']) {
	$html = "<pre>" . $html . "</pre>";
	}

	$a_signatures[$identity_id]['text'] = $text;
	$a_signatures[$identity_id]['html'] = $html;
	}
	}

	$out = $select_from->show($MESSAGE->compose['from']);

	// add signatures to client
	$OUTPUT->set_env('signatures', $a_signatures);
	}
	// no identities, display text input field
	else {
	$field_attrib['class'] = 'from_address';
	$input_from = new html_inputfield($field_attrib);
	$out = $input_from->show($MESSAGE->compose['from']);
	}

	return $out;
	}


	function rcmail_compose_editor_mode()
	{
	global $RCMAIL, $compose_mode;
	static $useHtml;

	if ($useHtml !== null)
	return $useHtml;

	$html_editor = intval($RCMAIL->config->get('htmleditor'));

	if (isset($_POST['_is_html'])) {
	$useHtml = !empty($_POST['_is_html']);
	}
	else if ($compose_mode == RCUBE_COMPOSE_DRAFT \|\| $compose_mode == RCUBE_COMPOSE_EDIT) {
	$useHtml = rcmail_message_is_html();
	}
	else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
	$useHtml = ($html_editor == 1 \|\| ($html_editor >= 2 && rcmail_message_is_html()));
	}
	else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
	$useHtml = ($html_editor == 1 \|\| ($html_editor == 3 && rcmail_message_is_html()));
	}
	else {
	$useHtml = ($html_editor == 1);
	}

	return $useHtml;
	}

	function rcmail_message_is_html()
	{
	global $MESSAGE;
	- return ($MESSAGE instanceof rcube_message) && $MESSAGE->has_html_part(false, true);
	+ return ($MESSAGE instanceof rcube_message) && $MESSAGE->has_html_part(true);
	}

	function rcmail_prepare_message_body()
	{
	global $RCMAIL, $MESSAGE, $COMPOSE, $compose_mode, $LINE_LENGTH, $HTML_MODE;

	// use posted message body
	if (!empty($_POST['_message'])) {
	$body = get_input_value('_message', RCUBE_INPUT_POST, true);
	$isHtml = (bool) get_input_value('_is_html', RCUBE_INPUT_POST);
	}
	else if ($COMPOSE['param']['body']) {
	$body = $COMPOSE['param']['body'];
	$isHtml = false;
	}
	// forward as attachment
	else if ($compose_mode == RCUBE_COMPOSE_FORWARD && $COMPOSE['as_attachment']) {
	$isHtml = rcmail_compose_editor_mode();
	$body = '';
	if (empty($COMPOSE['attachments']))
	rcmail_write_forward_attachments();
	}
	// reply/edit/draft/forward
	else if ($compose_mode && ($compose_mode != RCUBE_COMPOSE_REPLY \|\| $RCMAIL->config->get('reply_mode') != -1)) {
	$isHtml = rcmail_compose_editor_mode();

	if (!empty($MESSAGE->parts)) {
	foreach ($MESSAGE->parts as $part) {
	// skip no-content and attachment parts (#1488557)
	if ($part->type != 'content' \|\| !$part->size \|\| $MESSAGE->is_attachment($part)) {
	continue;
	}

	if ($part_body = rcmail_compose_part_body($part, $isHtml)) {
	$body .= ($body ? ($isHtml ? '<br/>' : "\n") : '') . $part_body;
	}
	}
	}
	else {
	$body = rcmail_compose_part_body($MESSAGE, $isHtml);
	}

	// compose reply-body
	if ($compose_mode == RCUBE_COMPOSE_REPLY)
	$body = rcmail_create_reply_body($body, $isHtml);
	// forward message body inline
	else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
	$body = rcmail_create_forward_body($body, $isHtml);
	// load draft message body
	else if ($compose_mode == RCUBE_COMPOSE_DRAFT \|\| $compose_mode == RCUBE_COMPOSE_EDIT)
	$body = rcmail_create_draft_body($body, $isHtml);
	}
	else { // new message
	$isHtml = rcmail_compose_editor_mode();
	}

	$plugin = $RCMAIL->plugins->exec_hook('message_compose_body',
	array('body' => $body, 'html' => $isHtml, 'mode' => $compose_mode));
	$body = $plugin['body'];
	unset($plugin);

	// add blocked.gif attachment (#1486516)
	if ($isHtml && preg_match('#<img src="\./program/resources/blocked\.gif"#', $body)) {
	if ($attachment = rcmail_save_image('program/resources/blocked.gif', 'image/gif')) {
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	$url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
	$RCMAIL->comm_path, $COMPOSE['id'], $attachment['id']);
	$body = preg_replace('#\./program/resources/blocked\.gif#', $url, $body);
	}
	}

	$HTML_MODE = $isHtml;

	return $body;
	}

	function rcmail_compose_part_body($part, $isHtml = false)
	{
	global $RCMAIL, $MESSAGE, $compose_mode;

	// Check if we have enough memory to handle the message in it
	// #1487424: we need up to 10x more memory than the body
	if (!rcmail_mem_check($part->size * 10)) {
	return '';
	}

	if (empty($part->ctype_parameters) \|\| empty($part->ctype_parameters['charset'])) {
	$part->ctype_parameters['charset'] = $MESSAGE->headers->charset;
	}

	// fetch part if not available
	if (!isset($part->body)) {
	$part->body = $MESSAGE->get_part_content($part->mime_id);
	}

	// message is cached but not exists (#1485443), or other error
	if ($part->body === false) {
	return '';
	}

	$body = $part->body;

	if ($isHtml) {
	if ($part->ctype_secondary == 'html') {
	}
	else if ($part->ctype_secondary == 'enriched') {
	$body = rcube_enriched::to_html($body);
	}
	else {
	// try to remove the signature
	if ($compose_mode != RCUBE_COMPOSE_DRAFT && $compose_mode != RCUBE_COMPOSE_EDIT) {
	if ($RCMAIL->config->get('strip_existing_sig', true)) {
	$body = rcmail_remove_signature($body);
	}
	}
	// add HTML formatting
	$body = rcmail_plain_body($body);
	if ($body) {
	$body = '<pre>' . $body . '</pre>';
	}
	}
	}
	else {
	if ($part->ctype_secondary == 'enriched') {
	$body = rcube_enriched::to_html($body);
	$part->ctype_secondary = 'html';
	}

	if ($part->ctype_secondary == 'html') {
	// use html part if it has been used for message (pre)viewing
	// decrease line length for quoting
	$len = $compose_mode == RCUBE_COMPOSE_REPLY ? $LINE_LENGTH-2 : $LINE_LENGTH;
	$txt = new rcube_html2text($body, false, true, $len);
	$body = $txt->get_text();
	}
	else if ($part->ctype_secondary == 'enriched') {
	$body = rcube_enriched::to_html($body);
	}
	else {
	if ($part->ctype_secondary == 'plain' && $part->ctype_parameters['format'] == 'flowed') {
	$body = rcube_mime::unfold_flowed($body);
	}

	// try to remove the signature
	if ($compose_mode != RCUBE_COMPOSE_DRAFT && $compose_mode != RCUBE_COMPOSE_EDIT) {
	if ($RCMAIL->config->get('strip_existing_sig', true)) {
	$body = rcmail_remove_signature($body);
	}
	}
	}
	}

	return $body;
	}

	function rcmail_compose_body($attrib)
	{
	global $RCMAIL, $CONFIG, $OUTPUT, $MESSAGE, $compose_mode, $LINE_LENGTH, $HTML_MODE, $MESSAGE_BODY;

	list($form_start, $form_end) = get_form_tags($attrib);
	unset($attrib['form']);

	if (empty($attrib['id']))
	$attrib['id'] = 'rcmComposeBody';

	$attrib['name'] = '_message';

	$isHtml = $HTML_MODE;

	$out = $form_start ? "$form_start\n" : '';

	$saveid = new html_hiddenfield(array('name' => '_draft_saveid', 'value' => $compose_mode==RCUBE_COMPOSE_DRAFT ? str_replace(array('<','>'), "", $MESSAGE->headers->messageID) : ''));
	$out .= $saveid->show();

	$drafttoggle = new html_hiddenfield(array('name' => '_draft', 'value' => 'yes'));
	$out .= $drafttoggle->show();

	$msgtype = new html_hiddenfield(array('name' => '_is_html', 'value' => ($isHtml?"1":"0")));
	$out .= $msgtype->show();

	// If desired, set this textarea to be editable by TinyMCE
	if ($isHtml) {
	$MESSAGE_BODY = htmlentities($MESSAGE_BODY, ENT_NOQUOTES, RCMAIL_CHARSET);
	$attrib['class'] = 'mce_editor';
	$attrib['is_escaped'] = true;
	$textarea = new html_textarea($attrib);
	$out .= $textarea->show($MESSAGE_BODY);
	}
	else {
	$textarea = new html_textarea($attrib);
	$out .= $textarea->show('');
	// quote plain text, inject into textarea
	$table = get_html_translation_table(HTML_SPECIALCHARS);
	$MESSAGE_BODY = strtr($MESSAGE_BODY, $table);
	$out = substr($out, 0, -11) . $MESSAGE_BODY . '</textarea>';
	}

	$out .= $form_end ? "\n$form_end" : '';

	$OUTPUT->set_env('composebody', $attrib['id']);

	// include HTML editor
	rcube_html_editor();

	// Set language list
	if (!empty($CONFIG['enable_spellcheck'])) {
	$engine = $RCMAIL->config->get('spellcheck_engine','googie');
	$dictionary = (bool) $RCMAIL->config->get('spellcheck_dictionary');
	$spellcheck_langs = (array) $RCMAIL->config->get('spellcheck_languages',
	array('da'=>'Dansk', 'de'=>'Deutsch', 'en' => 'English', 'es'=>'Español',
	'fr'=>'Français', 'it'=>'Italiano', 'nl'=>'Nederlands', 'pl'=>'Polski',
	'pt'=>'Português', 'ru'=>'Русский', 'fi'=>'Suomi', 'sv'=>'Svenska'));

	// googie works only with two-letter codes
	if ($engine == 'googie') {
	$lang = strtolower(substr($_SESSION['language'], 0, 2));

	$spellcheck_langs_googie = array();
	foreach ($spellcheck_langs as $key => $name)
	$spellcheck_langs_googie[strtolower(substr($key,0,2))] = $name;
	$spellcheck_langs = $spellcheck_langs_googie;
	}
	else {
	$lang = $_SESSION['language'];

	// if not found in the list, try with two-letter code
	if (!$spellcheck_langs[$lang])
	$lang = strtolower(substr($lang, 0, 2));
	}

	if (!$spellcheck_langs[$lang])
	$lang = 'en';

	$OUTPUT->set_env('spell_langs', $spellcheck_langs);
	$OUTPUT->set_env('spell_lang', $lang);

	$editor_lang_set = array();
	foreach ($spellcheck_langs as $key => $name) {
	$editor_lang_set[] = ($key == $lang ? '+' : '') . JQ($name).'='.JQ($key);
	}

	// include GoogieSpell
	$OUTPUT->include_script('googiespell.js');
	$OUTPUT->add_script(sprintf(
	"var googie = new GoogieSpell('%s/images/googiespell/','%s&lang=', %s);\n".
	"googie.lang_chck_spell = \"%s\";\n".
	"googie.lang_rsm_edt = \"%s\";\n".
	"googie.lang_close = \"%s\";\n".
	"googie.lang_revert = \"%s\";\n".
	"googie.lang_no_error_found = \"%s\";\n".
	"googie.lang_learn_word = \"%s\";\n".
	"googie.setLanguages(%s);\n".
	"googie.setCurrentLanguage('%s');\n".
	"googie.setDecoration(false);\n".
	"googie.decorateTextarea('%s');\n".
	"%s.set_env('spellcheck', googie);",
	$RCMAIL->output->get_skin_path(),
	$RCMAIL->url(array('_task' => 'utils', '_action' => 'spell', '_remote' => 1)),
	!empty($dictionary) ? 'true' : 'false',
	JQ(Q(rcube_label('checkspelling'))),
	JQ(Q(rcube_label('resumeediting'))),
	JQ(Q(rcube_label('close'))),
	JQ(Q(rcube_label('revertto'))),
	JQ(Q(rcube_label('nospellerrors'))),
	JQ(Q(rcube_label('addtodict'))),
	json_serialize($spellcheck_langs),
	$lang,
	$attrib['id'],
	JS_OBJECT_NAME), 'foot');

	$OUTPUT->add_label('checking');
	$OUTPUT->set_env('spellcheck_langs', join(',', $editor_lang_set));
	}

	$out .= "\n".'<iframe name="savetarget" src="program/resources/blank.gif" style="width:0;height:0;border:none;visibility:hidden;"></iframe>';

	return $out;
	}


	function rcmail_create_reply_body($body, $bodyIsHtml)
	{
	global $RCMAIL, $MESSAGE, $LINE_LENGTH;

	// build reply prefix
	$from = array_pop(rcube_mime::decode_address_list($MESSAGE->get_header('from'), 1, false, $MESSAGE->headers->charset));
	$prefix = rcube_label(array(
	'name' => 'mailreplyintro',
	'vars' => array(
	'date' => format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long')),
	'sender' => $from['name'] ? $from['name'] : rcube_idn_to_utf8($from['mailto']),
	)
	));

	if (!$bodyIsHtml) {
	$body = preg_replace('/\r?\n/', "\n", $body);
	$body = trim($body, "\n");

	// soft-wrap and quote message text
	$body = rcmail_wrap_and_quote($body, $LINE_LENGTH);

	$prefix .= "\n";
	$suffix = '';

	if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
	$prefix = "\n\n\n" . $prefix;
	}
	}
	else {
	// save inline images to files
	$cid_map = rcmail_write_inline_attachments($MESSAGE);
	// set is_safe flag (we need this for html body washing)
	rcmail_check_safe($MESSAGE);
	// clean up html tags
	$body = rcmail_wash_html($body, array('safe' => $MESSAGE->is_safe), $cid_map);

	// build reply (quote content)
	$prefix = '<p>' . Q($prefix) . "</p>\n";
	$prefix .= '<blockquote>';

	if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
	$prefix = '<br>' . $prefix;
	$suffix = '</blockquote>';
	}
	else {
	$suffix = '</blockquote><p></p>';
	}
	}

	return $prefix.$body.$suffix;
	}


	function rcmail_create_forward_body($body, $bodyIsHtml)
	{
	global $RCMAIL, $MESSAGE, $COMPOSE;

	// add attachments
	if (!isset($COMPOSE['forward_attachments']) && is_array($MESSAGE->mime_parts))
	$cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);

	$date = format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long'));
	$charset = $RCMAIL->output->get_charset();

	if (!$bodyIsHtml) {
	$prefix = "\n\n\n-------- " . rcube_label('originalmessage') . " --------\n";
	$prefix .= rcube_label('subject') . ': ' . $MESSAGE->subject . "\n";
	$prefix .= rcube_label('date') . ': ' . $date . "\n";
	$prefix .= rcube_label('from') . ': ' . $MESSAGE->get_header('from') . "\n";
	$prefix .= rcube_label('to') . ': ' . $MESSAGE->get_header('to') . "\n";

	if ($MESSAGE->headers->cc)
	$prefix .= rcube_label('cc') . ': ' . $MESSAGE->get_header('cc') . "\n";
	if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from)
	$prefix .= rcube_label('replyto') . ': ' . $MESSAGE->get_header('replyto') . "\n";

	$prefix .= "\n";
	$body = trim($body, "\r\n");
	}
	else {
	// set is_safe flag (we need this for html body washing)
	rcmail_check_safe($MESSAGE);
	// clean up html tags
	$body = rcmail_wash_html($body, array('safe' => $MESSAGE->is_safe), $cid_map);

	$prefix = sprintf(
	"<br /><p>-------- " . rcube_label('originalmessage') . " --------</p>" .
	"<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"><tbody>" .
	"<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>" .
	"<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>" .
	"<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>" .
	"<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>",
	rcube_label('subject'), Q($MESSAGE->subject),
	rcube_label('date'), Q($date),
	rcube_label('from'), Q($MESSAGE->get_header('from'), 'replace'),
	rcube_label('to'), Q($MESSAGE->get_header('to'), 'replace'));

	if ($MESSAGE->headers->cc)
	$prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>",
	rcube_label('cc'),
	Q($MESSAGE->get_header('cc'), 'replace'));

	if ($MESSAGE->headers->replyto && $MESSAGE->headers->replyto != $MESSAGE->headers->from)
	$prefix .= sprintf("<tr><th align=\"right\" nowrap=\"nowrap\" valign=\"baseline\">%s: </th><td>%s</td></tr>",
	rcube_label('replyto'),
	Q($MESSAGE->get_header('replyto'), 'replace'));

	$prefix .= "</tbody></table><br>";
	}

	return $prefix.$body;
	}


	function rcmail_create_draft_body($body, $bodyIsHtml)
	{
	global $MESSAGE, $OUTPUT, $COMPOSE;

	/**
	* add attachments
	* sizeof($MESSAGE->mime_parts can be 1 - e.g. attachment, but no text!
	*/
	if (empty($COMPOSE['forward_attachments'])
	&& is_array($MESSAGE->mime_parts)
	&& count($MESSAGE->mime_parts) > 0)
	{
	$cid_map = rcmail_write_compose_attachments($MESSAGE, $bodyIsHtml);

	// replace cid with href in inline images links
	if ($cid_map)
	$body = str_replace(array_keys($cid_map), array_values($cid_map), $body);
	}

	return $body;
	}


	function rcmail_remove_signature($body)
	{
	global $RCMAIL;

	$body = str_replace("\r\n", "\n", $body);
	$len = strlen($body);
	$sig_max_lines = $RCMAIL->config->get('sig_max_lines', 15);

	while (($sp = strrpos($body, "-- \n", $sp ? -$len+$sp-1 : 0)) !== false) {
	if ($sp == 0 \|\| $body[$sp-1] == "\n") {
	// do not touch blocks with more that X lines
	if (substr_count($body, "\n", $sp) < $sig_max_lines) {
	$body = substr($body, 0, max(0, $sp-1));
	}
	break;
	}
	}

	return $body;
	}


	function rcmail_write_compose_attachments(&$message, $bodyIsHtml)
	{
	global $RCMAIL, $COMPOSE, $compose_mode;

	$loaded_attachments = array();
	foreach ((array)$COMPOSE['attachments'] as $id => $attachment) {
	$loaded_attachments[$attachment['name'] . $attachment['mimetype']] = $attachment;
	}

	$cid_map = $messages = array();
	foreach ((array)$message->mime_parts as $pid => $part)
	{
	if ($part->disposition == 'attachment' \|\| ($part->disposition == 'inline' && $bodyIsHtml) \|\| $part->filename) {
	if (($part->ctype_primary == 'message' && $bodyIsHtml) \|\| $part->ctype_primary == 'multipart') {
	continue;
	}
	if ($part->mimetype == 'application/ms-tnef') {
	continue;
	}
	// skip inline images when forwarding in plain text
	if ($part->content_id && !$bodyIsHtml && $compose_mode == RCUBE_COMPOSE_FORWARD) {
	continue;
	}

	$skip = false;
	if ($part->mimetype == 'message/rfc822') {
	$messages[] = $part->mime_id;
	} else if ($messages) {
	// skip attachments included in message/rfc822 attachment (#1486487)
	foreach ($messages as $mimeid)
	if (strpos($part->mime_id, $mimeid.'.') === 0) {
	$skip = true;
	break;
	}
	}

	if (!$skip && (($attachment = $loaded_attachments[rcmail_attachment_name($part) . $part->mimetype])
	\|\| ($attachment = rcmail_save_attachment($message, $pid)))) {
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	if ($bodyIsHtml && ($part->content_id \|\| $part->content_location)) {
	$url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
	$RCMAIL->comm_path, $COMPOSE['id'], $attachment['id']);
	if ($part->content_id)
	$cid_map['cid:'.$part->content_id] = $url;
	else
	$cid_map[$part->content_location] = $url;
	}
	}
	}
	}

	$COMPOSE['forward_attachments'] = true;

	return $cid_map;
	}


	function rcmail_write_inline_attachments(&$message)
	{
	global $RCMAIL, $COMPOSE;

	$cid_map = array();
	foreach ((array)$message->mime_parts as $pid => $part) {
	if (($part->content_id \|\| $part->content_location) && $part->filename) {
	if ($attachment = rcmail_save_attachment($message, $pid)) {
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	$url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
	$RCMAIL->comm_path, $COMPOSE['id'], $attachment['id']);
	if ($part->content_id)
	$cid_map['cid:'.$part->content_id] = $url;
	else
	$cid_map[$part->content_location] = $url;
	}
	}
	}

	return $cid_map;
	}

	// Creates attachment(s) from the forwarded message(s)
	function rcmail_write_forward_attachments()
	{
	global $RCMAIL, $COMPOSE, $MESSAGE;

	$storage = $RCMAIL->get_storage();
	$mem_limit = parse_bytes(ini_get('memory_limit'));
	$curr_mem = function_exists('memory_get_usage') ? memory_get_usage() : 1610241024; // safe value: 16MB
	$names = array();

	if ($COMPOSE['forward_uid'] == '*') {
	$index = $storage->index(null, rcmail_sort_column(), rcmail_sort_order());
	$COMPOSE['forward_uid'] = $index->get();
	}
	else {
	$COMPOSE['forward_uid'] = explode(',', $COMPOSE['forward_uid']);
	}

	foreach ((array)$COMPOSE['forward_uid'] as $uid) {
	$message = new rcube_message($uid);

	if (empty($message->headers)) {
	continue;
	}

	if (!empty($message->headers->charset)) {
	$storage->set_charset($message->headers->charset);
	}

	if (empty($MESSAGE->subject)) {
	$MESSAGE->subject = $message->subject;
	}

	// generate (unique) attachment name
	$name = strlen($message->subject) ? mb_substr($message->subject, 0, 64) : 'message_rfc822';
	if (!empty($names[$name])) {
	$names[$name]++;
	$name .= '_' . $names[$name];
	}
	$names[$name] = 1;
	$name .= '.eml';

	$data = $path = null;

	// don't load too big attachments into memory
	if ($mem_limit > 0 && $message->size > $mem_limit - $curr_mem) {
	$temp_dir = unslashify($RCMAIL->config->get('temp_dir'));
	$path = tempnam($temp_dir, 'rcmAttmnt');
	if ($fp = fopen($path, 'w')) {
	$storage->get_raw_body($message->uid, $fp);
	fclose($fp);
	}
	else {
	return false;
	}
	}
	else {
	$data = $storage->get_raw_body($message->uid);
	$curr_mem += $message->size;
	}

	$attachment = array(
	'group' => $COMPOSE['id'],
	'name' => $name,
	'mimetype' => 'message/rfc822',
	'data' => $data,
	'path' => $path,
	'size' => $path ? filesize($path) : strlen($data),
	);

	$attachment = $RCMAIL->plugins->exec_hook('attachment_save', $attachment);

	if ($attachment['status']) {
	unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
	$COMPOSE['attachments'][$attachment['id']] = $attachment;
	}
	else if ($path) {
	@unlink($path);
	}
	}
	}


	function rcmail_save_attachment(&$message, $pid)
	{
	global $COMPOSE;

	$rcmail = rcmail::get_instance();
	$part = $message->mime_parts[$pid];
	$mem_limit = parse_bytes(ini_get('memory_limit'));
	$curr_mem = function_exists('memory_get_usage') ? memory_get_usage() : 1610241024; // safe value: 16MB
	$data = $path = null;

	// don't load too big attachments into memory
	if ($mem_limit > 0 && $part->size > $mem_limit - $curr_mem) {
	$temp_dir = unslashify($rcmail->config->get('temp_dir'));
	$path = tempnam($temp_dir, 'rcmAttmnt');
	if ($fp = fopen($path, 'w')) {
	$message->get_part_content($pid, $fp);
	fclose($fp);
	} else
	return false;
	} else {
	$data = $message->get_part_content($pid);
	}

	$mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
	$filename = rcmail_attachment_name($part);

	$attachment = array(
	'group' => $COMPOSE['id'],
	'name' => $filename,
	'mimetype' => $mimetype,
	'content_id' => $part->content_id,
	'data' => $data,
	'path' => $path,
	'size' => $path ? filesize($path) : strlen($data),
	);

	$attachment = $rcmail->plugins->exec_hook('attachment_save', $attachment);

	if ($attachment['status']) {
	unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
	return $attachment;
	} else if ($path) {
	@unlink($path);
	}

	return false;
	}

	function rcmail_save_image($path, $mimetype='')
	{
	global $COMPOSE;

	// handle attachments in memory
	$data = file_get_contents($path);

	$attachment = array(
	'group' => $COMPOSE['id'],
	'name' => rcmail_basename($path),
	'mimetype' => $mimetype ? $mimetype : rc_mime_content_type($path, $name),
	'data' => $data,
	'size' => strlen($data),
	);

	$attachment = rcmail::get_instance()->plugins->exec_hook('attachment_save', $attachment);

	if ($attachment['status']) {
	unset($attachment['data'], $attachment['status'], $attachment['content_id'], $attachment['abort']);
	return $attachment;
	}

	return false;
	}

	function rcmail_basename($filename)
	{
	// basename() is not unicode safe and locale dependent
	if (stristr(PHP_OS, 'win') \|\| stristr(PHP_OS, 'netware')) {
	return preg_replace('/^.*[\\\\\\/]/', '', $filename);
	} else {
	return preg_replace('/^.*[\/]/', '', $filename);
	}
	}

	function rcmail_compose_subject($attrib)
	{
	global $MESSAGE, $COMPOSE, $compose_mode;

	list($form_start, $form_end) = get_form_tags($attrib);
	unset($attrib['form']);

	$attrib['name'] = '_subject';
	$attrib['spellcheck'] = 'true';
	$textfield = new html_inputfield($attrib);

	$subject = '';

	// use subject from post
	if (isset($_POST['_subject'])) {
	$subject = get_input_value('_subject', RCUBE_INPUT_POST, TRUE);
	}
	// create a reply-subject
	else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
	if (preg_match('/^re:/i', $MESSAGE->subject))
	$subject = $MESSAGE->subject;
	else
	$subject = 'Re: '.$MESSAGE->subject;
	}
	// create a forward-subject
	else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
	if (preg_match('/^fwd:/i', $MESSAGE->subject))
	$subject = $MESSAGE->subject;
	else
	$subject = 'Fwd: '.$MESSAGE->subject;
	}
	// creeate a draft-subject
	else if ($compose_mode == RCUBE_COMPOSE_DRAFT \|\| $compose_mode == RCUBE_COMPOSE_EDIT) {
	$subject = $MESSAGE->subject;
	}
	else if (!empty($COMPOSE['param']['subject'])) {
	$subject = $COMPOSE['param']['subject'];
	}

	$out = $form_start ? "$form_start\n" : '';
	$out .= $textfield->show($subject);
	$out .= $form_end ? "\n$form_end" : '';

	return $out;
	}


	function rcmail_compose_attachment_list($attrib)
	{
	global $OUTPUT, $CONFIG, $COMPOSE;

	// add ID if not given
	if (!$attrib['id'])
	$attrib['id'] = 'rcmAttachmentList';

	$out = "\n";
	$jslist = array();

	if (is_array($COMPOSE['attachments'])) {
	if ($attrib['deleteicon']) {
	$button = html::img(array(
	'src' => $CONFIG['skin_path'] . $attrib['deleteicon'],
	'alt' => rcube_label('delete')
	));
	}
	else
	$button = Q(rcube_label('delete'));

	foreach ($COMPOSE['attachments'] as $id => $a_prop) {
	if (empty($a_prop))
	continue;

	$out .= html::tag('li', array('id' => 'rcmfile'.$id, 'class' => rcmail_filetype2classname($a_prop['mimetype'], $a_prop['name'])),
	html::a(array(
	'href' => "#delete",
	'title' => rcube_label('delete'),
	'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%s', this)", JS_OBJECT_NAME, $id),
	'class' => 'delete'),
	$button) . Q($a_prop['name']));

	$jslist['rcmfile'.$id] = array('name' => $a_prop['name'], 'complete' => true, 'mimetype' => $a_prop['mimetype']);
	}
	}

	if ($attrib['deleteicon'])
	$COMPOSE['deleteicon'] = $CONFIG['skin_path'] . $attrib['deleteicon'];
	if ($attrib['cancelicon'])
	$OUTPUT->set_env('cancelicon', $CONFIG['skin_path'] . $attrib['cancelicon']);
	if ($attrib['loadingicon'])
	$OUTPUT->set_env('loadingicon', $CONFIG['skin_path'] . $attrib['loadingicon']);

	$OUTPUT->set_env('attachments', $jslist);
	$OUTPUT->add_gui_object('attachmentlist', $attrib['id']);

	return html::tag('ul', $attrib, $out, html::$common_attrib);
	}


	function rcmail_compose_attachment_form($attrib)
	{
	global $OUTPUT;

	// set defaults
	$attrib += array('id' => 'rcmUploadbox', 'buttons' => 'yes');

	// Get filesize, enable upload progress bar
	$max_filesize = rcube_upload_init();

	$button = new html_inputfield(array('type' => 'button'));

	$out = html::div($attrib,
	$OUTPUT->form_tag(array('id' => $attrib['id'].'Frm', 'name' => 'uploadform', 'method' => 'post', 'enctype' => 'multipart/form-data'),
	html::div(null, rcmail_compose_attachment_field(array('size' => $attrib['attachmentfieldsize']))) .
	html::div('hint', rcube_label(array('name' => 'maxuploadsize', 'vars' => array('size' => $max_filesize)))) .
	(get_boolean($attrib['buttons']) ? html::div('buttons',
	$button->show(rcube_label('close'), array('class' => 'button', 'onclick' => "$('#$attrib[id]').hide()")) . ' ' .
	$button->show(rcube_label('upload'), array('class' => 'button mainaction', 'onclick' => JS_OBJECT_NAME . ".command('send-attachment', this.form)"))
	) : '')
	)
	);

	$OUTPUT->add_gui_object('uploadform', $attrib['id'].'Frm');
	return $out;
	}


	function rcmail_compose_attachment_field($attrib)
	{
	$attrib['type'] = 'file';
	$attrib['name'] = '_attachments[]';
	$attrib['multiple'] = 'multiple';

	$field = new html_inputfield($attrib);
	return $field->show();
	}


	function rcmail_priority_selector($attrib)
	{
	global $MESSAGE;

	list($form_start, $form_end) = get_form_tags($attrib);
	unset($attrib['form']);

	$attrib['name'] = '_priority';
	$selector = new html_select($attrib);

	$selector->add(array(rcube_label('lowest'),
	rcube_label('low'),
	rcube_label('normal'),
	rcube_label('high'),
	rcube_label('highest')),
	array(5, 4, 0, 2, 1));

	if (isset($_POST['_priority']))
	$sel = $_POST['_priority'];
	else if (intval($MESSAGE->headers->priority) != 3)
	$sel = intval($MESSAGE->headers->priority);
	else
	$sel = 0;

	$out = $form_start ? "$form_start\n" : '';
	$out .= $selector->show($sel);
	$out .= $form_end ? "\n$form_end" : '';

	return $out;
	}


	function rcmail_receipt_checkbox($attrib)
	{
	global $RCMAIL, $MESSAGE, $compose_mode;

	list($form_start, $form_end) = get_form_tags($attrib);
	unset($attrib['form']);

	if (!isset($attrib['id']))
	$attrib['id'] = 'receipt';

	$attrib['name'] = '_receipt';
	$attrib['value'] = '1';
	$checkbox = new html_checkbox($attrib);

	if (isset($_POST['_receipt']))
	$mdn_default = $_POST['_receipt'];
	else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT)))
	$mdn_default = (bool) $MESSAGE->headers->mdn_to;
	else
	$mdn_default = $RCMAIL->config->get('mdn_default');

	$out = $form_start ? "$form_start\n" : '';
	$out .= $checkbox->show($mdn_default);
	$out .= $form_end ? "\n$form_end" : '';

	return $out;
	}


	function rcmail_dsn_checkbox($attrib)
	{
	global $RCMAIL;

	list($form_start, $form_end) = get_form_tags($attrib);
	unset($attrib['form']);

	if (!isset($attrib['id']))
	$attrib['id'] = 'dsn';

	$attrib['name'] = '_dsn';
	$attrib['value'] = '1';
	$checkbox = new html_checkbox($attrib);

	if (isset($_POST['_dsn']))
	$dsn_value = $_POST['_dsn'];
	else
	$dsn_value = $RCMAIL->config->get('dsn_default');

	$out = $form_start ? "$form_start\n" : '';
	$out .= $checkbox->show($dsn_value);
	$out .= $form_end ? "\n$form_end" : '';

	return $out;
	}


	function rcmail_editor_selector($attrib)
	{
	// determine whether HTML or plain text should be checked
	$useHtml = rcmail_compose_editor_mode();

	if (empty($attrib['editorid']))
	$attrib['editorid'] = 'rcmComposeBody';

	if (empty($attrib['name']))
	$attrib['name'] = 'editorSelect';

	$attrib['onchange'] = "return rcmail_toggle_editor(this, '".$attrib['editorid']."', '_is_html')";

	$select = new html_select($attrib);

	$select->add(Q(rcube_label('htmltoggle')), 'html');
	$select->add(Q(rcube_label('plaintoggle')), 'plain');

	return $select->show($useHtml ? 'html' : 'plain');

	foreach ($choices as $value => $text) {
	$attrib['id'] = '_' . $value;
	$attrib['value'] = $value;
	$selector .= $radio->show($chosenvalue, $attrib) . html::label($attrib['id'], Q(rcube_label($text)));
	}

	return $selector;
	}


	function rcmail_store_target_selection($attrib)
	{
	global $COMPOSE;

	$attrib['name'] = '_store_target';
	$select = rcmail_mailbox_select(array_merge($attrib, array(
	'noselection' => '- '.rcube_label('dontsave').' -',
	'folder_filter' => 'mail',
	'folder_rights' => 'w',
	)));
	return $select->show(isset($_POST['_store_target']) ? $_POST['_store_target'] : $COMPOSE['param']['sent_mbox'], $attrib);
	}


	function rcmail_check_sent_folder($folder, $create=false)
	{
	global $RCMAIL;

	// we'll not save the message, so it doesn't matter
	if ($RCMAIL->config->get('no_save_sent_messages')) {
	return true;
	}

	if ($RCMAIL->storage->folder_exists($folder, true)) {
	return true;
	}

	// folder may exist but isn't subscribed (#1485241)
	if ($create) {
	if (!$RCMAIL->storage->folder_exists($folder))
	return $RCMAIL->storage->create_folder($folder, true);
	else
	return $RCMAIL->storage->subscribe($folder);
	}

	return false;
	}


	function get_form_tags($attrib)
	{
	global $RCMAIL, $MESSAGE_FORM, $COMPOSE;

	$form_start = '';
	if (!$MESSAGE_FORM)
	{
	$hiddenfields = new html_hiddenfield(array('name' => '_task', 'value' => $RCMAIL->task));
	$hiddenfields->add(array('name' => '_action', 'value' => 'send'));
	$hiddenfields->add(array('name' => '_id', 'value' => $COMPOSE['id']));
	$hiddenfields->add(array('name' => '_attachments'));

	$form_start = empty($attrib['form']) ? $RCMAIL->output->form_tag(array('name' => "form", 'method' => "post")) : '';
	$form_start .= $hiddenfields->show();
	}

	$form_end = ($MESSAGE_FORM && !strlen($attrib['form'])) ? '</form>' : '';
	$form_name = !empty($attrib['form']) ? $attrib['form'] : 'form';

	if (!$MESSAGE_FORM)
	$RCMAIL->output->add_gui_object('messageform', $form_name);

	$MESSAGE_FORM = $form_name;

	return array($form_start, $form_end);
	}


	function rcmail_addressbook_list($attrib = array())
	{
	global $RCMAIL, $OUTPUT;

	$attrib += array('id' => 'rcmdirectorylist');

	$out = '';
	$line_templ = html::tag('li', array(
	'id' => 'rcmli%s', 'class' => '%s'),
	html::a(array('href' => '#list',
	'rel' => '%s',
	'onclick' => "return ".JS_OBJECT_NAME.".command('list-adresses','%s',this)"), '%s'));

	foreach ($RCMAIL->get_address_sources(false, true) as $j => $source) {
	$id = strval(strlen($source['id']) ? $source['id'] : $j);
	$js_id = JQ($id);

	// set class name(s)
	$class_name = 'addressbook';
	if ($source['class_name'])
	$class_name .= ' ' . $source['class_name'];

	$out .= sprintf($line_templ,
	html_identifier($id,true),
	$class_name,
	$source['id'],
	$js_id, (!empty($source['name']) ? $source['name'] : $id));
	}

	$OUTPUT->add_gui_object('addressbookslist', $attrib['id']);

	return html::tag('ul', $attrib, $out, html::$common_attrib);
	}

	// return the contacts list as HTML table
	function rcmail_contacts_list($attrib = array())
	{
	global $OUTPUT;

	$attrib += array('id' => 'rcmAddressList');

	// set client env
	$OUTPUT->add_gui_object('contactslist', $attrib['id']);
	$OUTPUT->set_env('pagecount', 0);
	$OUTPUT->set_env('current_page', 0);
	$OUTPUT->include_script('list.js');

	return rcube_table_output($attrib, array(), array('name'), 'ID');
	}


	/**
	* Register a certain container as active area to drop files onto
	*/
	function compose_file_drop_area($attrib)
	{
	global $OUTPUT;

	if ($attrib['id']) {
	$OUTPUT->add_gui_object('filedrop', $attrib['id']);
	$OUTPUT->set_env('filedrop', array('action' => 'upload', 'fieldname' => '_attachments'));
	}
	}


	// register UI objects
	$OUTPUT->add_handlers(array(
	'composeheaders' => 'rcmail_compose_headers',
	'composesubject' => 'rcmail_compose_subject',
	'composebody' => 'rcmail_compose_body',
	'composeattachmentlist' => 'rcmail_compose_attachment_list',
	'composeattachmentform' => 'rcmail_compose_attachment_form',
	'composeattachment' => 'rcmail_compose_attachment_field',
	'filedroparea' => 'compose_file_drop_area',
	'priorityselector' => 'rcmail_priority_selector',
	'editorselector' => 'rcmail_editor_selector',
	'receiptcheckbox' => 'rcmail_receipt_checkbox',
	'dsncheckbox' => 'rcmail_dsn_checkbox',
	'storetarget' => 'rcmail_store_target_selection',
	'addressbooks' => 'rcmail_addressbook_list',
	'addresslist' => 'rcmail_contacts_list',
	));

	$OUTPUT->send('compose');

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