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show.inc
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	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/mail/show.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2009, The Roundcube Dev Team \|
	\| Licensed under the GNU GPL \|
	\| \|
	\| PURPOSE: \|
	\| Display a mail message similar as a usual mail application does \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+

	$Id$

	*/

	$PRINT_MODE = $RCMAIL->action=='print' ? TRUE : FALSE;

	// similar code as in program/steps/mail/get.inc
	if ($uid = get_input_value('_uid', RCUBE_INPUT_GET)) {
	$MESSAGE = new rcube_message($uid);

	// if message not found (wrong UID)...
	if (empty($MESSAGE->headers)) {
	rcmail_message_error($uid);
	}

	send_nocacheing_headers();

	$mbox_name = $IMAP->get_mailbox_name();

	// show images?
	rcmail_check_safe($MESSAGE);

	// set message charset as default
	if (!empty($MESSAGE->headers->charset))
	$IMAP->set_charset($MESSAGE->headers->charset);

	$OUTPUT->set_pagetitle(abbreviate_string($MESSAGE->subject, 128, '...', true));

	// give message uid to the client
	$OUTPUT->set_env('uid', $MESSAGE->uid);
	// set environement
	$OUTPUT->set_env('safemode', $MESSAGE->is_safe);
	$OUTPUT->set_env('sender', $MESSAGE->sender['string']);
	$OUTPUT->set_env('permaurl', rcmail_url('show', array('_uid' => $MESSAGE->uid, '_mbox' => $mbox_name)));
	$OUTPUT->set_env('delimiter', $IMAP->get_hierarchy_delimiter());
	$OUTPUT->set_env('mailbox', $mbox_name);

	// mimetypes supported by the browser (default settings)
	$mimetypes = $RCMAIL->config->get('client_mimetypes', 'text/plain,text/html,text/xml,image/jpeg,image/gif,image/png,application/x-javascript,application/pdf,application/x-shockwave-flash');
	$OUTPUT->set_env('mimetypes', is_string($mimetypes) ? explode(',', $mimetypes) : (array)$mimetypes);

	if ($CONFIG['trash_mbox'])
	$OUTPUT->set_env('trash_mailbox', $CONFIG['trash_mbox']);
	if ($CONFIG['flag_for_deletion'])
	$OUTPUT->set_env('flag_for_deletion', true);
	if ($CONFIG['read_when_deleted'])
	$OUTPUT->set_env('read_when_deleted', true);
	if ($CONFIG['skip_deleted'])
	$OUTPUT->set_env('skip_deleted', true);
	if ($CONFIG['display_next'])
	$OUTPUT->set_env('display_next', true);
	if ($MESSAGE->headers->others['list-post'])
	$OUTPUT->set_env('list_post', true);
	if ($CONFIG['forward_attachment'])
	$OUTPUT->set_env('forward_attachment', true);

	if (!$OUTPUT->ajax_call)
	$OUTPUT->add_label('checkingmail', 'deletemessage', 'movemessagetotrash',
	'movingmessage', 'deletingmessage');

	// check for unset disposition notification
	if ($MESSAGE->headers->mdn_to
	&& empty($MESSAGE->headers->flags['MDNSENT'])
	&& empty($MESSAGE->headers->flags['SEEN'])
	&& ($IMAP->check_permflag('MDNSENT') \|\| $IMAP->check_permflag('*'))
	&& $mbox_name != $CONFIG['drafts_mbox']
	&& $mbox_name != $CONFIG['sent_mbox']
	) {
	$mdn_cfg = intval($CONFIG['mdn_requests']);

	if ($mdn_cfg == 1 \|\| (($mdn_cfg == 3 \|\| $mdn_cfg == 4) && rcmail_contact_exists($MESSAGE->sender['mailto']))) {
	// Send MDN
	if (rcmail_send_mdn($MESSAGE, $smtp_error))
	$OUTPUT->show_message('receiptsent', 'confirmation');
	else if ($smtp_error)
	$OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
	else
	$OUTPUT->show_message('errorsendingreceipt', 'error');
	}
	else if ($mdn_cfg != 2 && $mdn_cfg != 4) {
	// Ask user
	$OUTPUT->add_label('mdnrequest');
	$OUTPUT->set_env('mdn_request', true);
	}
	}

	if (empty($MESSAGE->headers->flags['SEEN'])
	&& ($RCMAIL->action == 'show' \|\| ($RCMAIL->action == 'preview' && intval($CONFIG['preview_pane_mark_read']) == 0))
	) {
	$RCMAIL->plugins->exec_hook('message_read', array('uid' => $MESSAGE->uid,
	'mailbox' => $mbox_name, 'message' => $MESSAGE));
	}
	}



	function rcmail_message_attachments($attrib)
	{
	global $PRINT_MODE, $MESSAGE;

	$out = $ol = '';

	if (sizeof($MESSAGE->attachments)) {
	foreach ($MESSAGE->attachments as $attach_prop) {
	if ($PRINT_MODE) {
	$ol .= html::tag('li', null, sprintf("%s (%s)", Q($attach_prop->filename), Q(show_bytes($attach_prop->size))));
	}
	else {
	if (mb_strlen($attach_prop->filename) > 50) {
	$filename = abbreviate_string($attach_prop->filename, 50);
	$title = $attach_prop->filename;
	}
	else {
	$filename = $attach_prop->filename;
	$title = '';
	}

	$ol .= html::tag('li', null,
	html::a(array(
	'href' => $MESSAGE->get_part_url($attach_prop->mime_id),
	'onclick' => sprintf(
	'return %s.command(\'load-attachment\',{part:\'%s\', mimetype:\'%s\'},this)',
	JS_OBJECT_NAME,
	$attach_prop->mime_id,
	rcmail_fix_mimetype($attach_prop->mimetype)),
	'title' => Q($title),
	),
	Q($filename)));
	}
	}

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

	return $out;
	}

	function rcmail_remote_objects_msg($attrib)
	{
	global $MESSAGE, $RCMAIL;

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

	$msg = Q(rcube_label('blockedimages')) . ' ';
	$msg .= html::a(array('href' => "#loadimages", 'onclick' => JS_OBJECT_NAME.".command('load-images')"), Q(rcube_label('showimages')));

	// add link to save sender in addressbook and reload message
	if ($MESSAGE->sender['mailto'] && $RCMAIL->config->get('show_images') == 1) {
	$msg .= ' ' . html::a(array('href' => "#alwaysload", 'onclick' => JS_OBJECT_NAME.".command('always-load')", 'style' => "white-space:nowrap"),
	Q(rcube_label(array('name' => 'alwaysshow', 'vars' => array('sender' => $MESSAGE->sender['mailto'])))));
	}

	$RCMAIL->output->add_gui_object('remoteobjectsmsg', $attrib['id']);
	return html::div($attrib, $msg);
	}

	function rcmail_contact_exists($email)
	{
	global $RCMAIL;

	if ($email) {
	// @TODO: search in all address books?
	$CONTACTS = $RCMAIL->get_address_book(null, true);
	$existing = $CONTACTS->search('email', $email, true, false);
	if ($existing->count)
	return true;
	}

	return false;
	}


	$OUTPUT->add_handlers(array(
	'messageattachments' => 'rcmail_message_attachments',
	'mailboxname' => 'rcmail_mailbox_name_display',
	'blockedobjects' => 'rcmail_remote_objects_msg'));


	if ($RCMAIL->action=='print' && $OUTPUT->template_exists('messageprint'))
	$OUTPUT->send('messageprint', false);
	else if ($RCMAIL->action=='preview' && $OUTPUT->template_exists('messagepreview'))
	$OUTPUT->send('messagepreview', false);
	else
	$OUTPUT->send('message', false);


	// mark message as read
	if ($MESSAGE && $MESSAGE->headers && empty($MESSAGE->headers->flags['SEEN']) &&
	($RCMAIL->action == 'show' \|\| ($RCMAIL->action == 'preview' && intval($CONFIG['preview_pane_mark_read']) == 0)))
	{
	if ($IMAP->set_flag($MESSAGE->uid, 'SEEN')) {
	if ($count = rcmail_get_unseen_count($mbox_name)) {
	rcmail_set_unseen_count($mbox_name, $count - 1);
	}
	}
	}

	exit;

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