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<?php
/*
* $Horde: horde/lib/MIME/Part.php,v 1.11.2.9 2003/01/03 12:48:24 jan Exp $
*
* Copyright 1999-2003 Chuck Hagenbuch <chuck@horde.org>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*/
/**
* The MIME_Part:: class provides a wrapper around MIME parts and methods
* for dealing with them.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @version $Revision: 1.11.2.9 $
* @since Horde 1.3
* @package horde.mime
*/
class MIME_Part {
/** The type (ex.: text) of this part. */
var $type = 'application';
/** The subtype (ex.: plain) of this part. */
var $subtype = 'octet-stream';
/** The body of the part. */
var $contents = '';
/** The transfer encoding of this part. */
var $transferEncoding = '7bit';
/** The description of this part. */
var $description = '';
/** The name of this part. */
var $name = '';
/** The character set of this part. */
var $charset = '';
/** The disposition of this part (inline or attachment). */
var $disposition = 'attachment';
/**
* MIME_Part constructor.
*
* @param string $mimetype The mimetype (ex.: 'text/plain') of the part.
* @param string $contents The body of the part.
*
* @return object MIME_Part The new MIME_Part object.
*/
function MIME_Part($mimetype = null, $contents = null, $charset = null, $disposition = null)
{
if (!is_null($mimetype)) {
$this->setType($mimetype);
}
if (!is_null($contents)) {
$this->contents = $contents;
}
if (!is_null($charset)) {
$this->charset = $charset;
}
if (!is_null($disposition)) {
$this->disposition = $disposition;
}
}
/**
* Set the mimetype of this part.
*
* @param string $mimetype The mimetype to set (ex.: text/plain).
*/
function setType($mimetype)
{
list($this->type, $this->subtype) = explode('/', strtolower($mimetype));
}
/*
* @since Horde 2.1
*/
function setDisposition($disposition)
{
$this->disposition = $disposition;
}
/**
* Set the name of this part.
*
* @param string $name The name to set.
*/
function setName($name)
{
$this->name = $name;
}
/**
* Set the body of this part.
*
* @param string $contents The part body.
*/
function setContents($contents)
{
$this->contents = $contents;
}
/**
* Add to the body of this part.
*
* @param string $contents The content to append to the part body.
*/
function appendContents($contents)
{
$this->contents .= $contents;
}
/**
* Return the body of the part.
*
* @return string The body of the part.
*/
function getContents()
{
return $this->contents;
}
/**
* Get the full mimetype of this part
*
* @return string The mimetype of this part (ex.: text/plain)
*/
function getType()
{
if (!isset($this->type) || !isset($this->subtype)) {
return false;
} else {
return $this->type . '/' . $this->subtype;
}
}
/**
* Set the transfer encoding of the part.
*
* @param string $encoding The transfer-encoding to use.
*/
function setTransferEncoding($encoding)
{
$this->transferEncoding = $encoding;
}
/**
* Add the appropriate MIME headers for this part to an existing array.
*
* @param array $headers An array of any other headers for the part.
* @return array The headers, with the MIME headers added.
*/
function header($headers)
{
$headers['Content-Type'] = $this->getType();
if (!empty($this->name))
$headers['Content-Type'] .= '; name="' . $this->name . '"';
$this->setEncoding();
if (($this->type == 'text') && (!empty($this->charset))) {
$headers['Content-Type'] .= '; charset=' . $this->charset;
}
$headers['Content-Transfer-Encoding'] = $this->transferEncoding;
if ($this->name != '') {
$headers['Content-Disposition'] = $this->disposition . '; filename="' . $this->name . '"';
}
if ($this->description != '') {
$headers['Content-Description'] = $this->description;
}
return $headers;
}
/**
* Return the entire part, including headers.
*
* @return string The entire MIME part.
*/
function toString()
{
$part = '';
$headers = $this->header(array());
while (list($key, $val) = each($headers)) {
$part .= $key . ': ' . $val . "\n";
}
return $part . "\n" . $this->getContents();
}
/**
* Set the encoding of the message and the charset based on the
* current language and browser capabilities.
*/
function setEncoding()
{
$text = str_replace("\n", ' ', $this->contents);
// FIXME: dependancy on IMAP module
if ($this->type == 'text'
&& $this->transferEncoding != 'base64'
&& imap_8bit($text) != $text) {
$this->transferEncoding = '8bit';
global $language, $nls;
if (empty($this->charset)) {
if (!empty($nls['charsets'][$language])) {
$this->charset = $nls['charsets'][$language];
} else if (!empty($_SERVER['HTTP_ACCEPT_CHARSET'])) {
$charsets = explode(',', $_SERVER['HTTP_ACCEPT_CHARSET']);
if (!empty($charsets[0])) {
$this->charset = trim($charsets[0]);
}
}
if (empty($this->charset)) {
$this->charset = Lang::getCharset();
}
}
}
}
}
?>
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