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<?php
/**
* download.php
*
* Handles attachment downloads to the users computer.
* Also allows displaying of attachments when possible.
*
* @copyright © 1999-2006 The SquirrelMail Project Team
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id: download.php,v 1.130 2006/01/23 18:43:28 tokul Exp $
* @package squirrelmail
*/
/**
* Path for SquirrelMail required files.
* @ignore
*/
define('SM_PATH','../');
/* SquirrelMail required files. */
require_once(SM_PATH . 'include/validate.php');
require_once(SM_PATH . 'functions/imap.php');
require_once(SM_PATH . 'functions/mime.php');
header('Pragma: ');
header('Cache-Control: cache');
/* globals */
sqgetGlobalVar('key', $key, SQ_COOKIE);
sqgetGlobalVar('username', $username, SQ_SESSION);
sqgetGlobalVar('onetimepad', $onetimepad, SQ_SESSION);
sqgetGlobalVar('mailbox_cache',$mailbox_cache,SQ_SESSION);
sqgetGlobalVar('messages', $messages, SQ_SESSION);
sqgetGlobalVar('mailbox', $mailbox, SQ_GET);
sqgetGlobalVar('ent_id', $ent_id, SQ_GET);
sqgetGlobalVar('absolute_dl',$absolute_dl, SQ_GET);
if ( sqgetGlobalVar('passed_id', $temp, SQ_GET) ) {
$passed_id = (int) $temp;
}
if (!sqgetGlobalVar('account', $account, SQ_GET) ) {
$account = 0;
}
global $default_charset;
set_my_charset();
/* end globals */
$imapConnection = sqimap_login($username, $key, $imapServerAddress, $imapPort, 0);
$aMailbox = sqm_api_mailbox_select($imapConnection, $account, $mailbox,array(),array());
if (isset($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) &&
is_object($aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT']) ) {
$message = $aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT'];
} else {
$message = sqimap_get_message($imapConnection, $passed_id, $mailbox);
$aMailbox['MSG_HEADERS'][$passed_id]['MESSAGE_OBJECT'] = $message;
}
//$mbx_response = sqimap_mailbox_select($imapConnection, $mailbox);
//$message = &$messages[$mbx_response['UIDVALIDITY']]["$passed_id"];
//if (!is_object($message)) {
// $message = sqimap_get_message($imapConnection,$passed_id, $mailbox);
//}
$subject = $message->rfc822_header->subject;
if ($ent_id) {
// replace message with message part, if message part is requested.
$message = $message->getEntity($ent_id);
$header = $message->header;
if ($message->rfc822_header) {
$subject = $message->rfc822_header->subject;
} else {
$header = $message->header;
}
$type0 = $header->type0;
$type1 = $header->type1;
$encoding = strtolower($header->encoding);
} else {
/* raw message */
$type0 = 'message';
$type1 = 'rfc822';
$encoding = 'US-ASCII';
$header = $message->header;
}
/*
* lets redefine message as this particular entity that we wish to display.
* it should hold only the header for this entity. We need to fetch the body
* yet before we can display anything.
*/
if (isset($override_type0)) {
$type0 = $override_type0;
}
if (isset($override_type1)) {
$type1 = $override_type1;
}
$filename = '';
if (is_object($message->header->disposition)) {
$filename = $header->disposition->getProperty('filename');
if (!$filename) {
$filename = $header->disposition->getProperty('name');
}
if (!$filename) {
$filename = $header->getParameter('name');
}
} else {
$filename = $header->getParameter('name');
}
$filename = decodeHeader($filename,true,false);
$filename = charset_encode($filename,$default_charset,false);
// If name is not set, use subject of email
if (strlen($filename) < 1) {
$filename = decodeHeader($subject, true, true);
$filename = charset_encode($filename,$default_charset,false);
if ($type1 == 'plain' && $type0 == 'text')
$suffix = 'txt';
else if ($type1 == 'richtext' && $type0 == 'text')
$suffix = 'rtf';
else if ($type1 == 'postscript' && $type0 == 'application')
$suffix = 'ps';
else if ($type1 == 'rfc822' && $type0 == 'message')
$suffix = 'msg';
else
$suffix = $type1;
if ($filename == '')
$filename = 'untitled' . strip_tags($ent_id);
$filename = $filename . '.' . $suffix;
}
/*
* Note:
* The following sections display the attachment in different
* ways depending on how they choose. The first way will download
* under any circumstance. This sets the Content-type to be
* applicatin/octet-stream, which should be interpreted by the
* browser as "download me".
* The second method (view) is used for images or other formats
* that should be able to be handled by the browser. It will
* most likely display the attachment inline inside the browser.
* And finally, the third one will be used by default. If it
* is displayable (text or html), it will load them up in a text
* viewer (built in to SquirrelMail). Otherwise, it sets the
* content-type as application/octet-stream
*/
if (isset($absolute_dl) && $absolute_dl) {
SendDownloadHeaders($type0, $type1, $filename, 1);
} else {
SendDownloadHeaders($type0, $type1, $filename, 0);
}
/* be aware that any warning caused by download.php will corrupt the
* attachment in case of ERROR reporting = E_ALL and the output is the screen */
mime_print_body_lines ($imapConnection, $passed_id, $ent_id, $encoding);
$mailbox_cache[$aMailbox['NAME']] = $aMailbox;
sqsession_register($mailbox_cache,'mailbox_cache');
?>
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