class MhtFileMaker{
var $config = array();
var $headers = array();
var $headers_exists = array();
var $files = array();
var $boundary;
var $dir_base;
var $page_first;

function MhtFile($config = array()){

}

function SetHeader($header){
$this->headers[] = $header;
$key = strtolower(substr($header,strpos($header,':')));
$this->headers_exists[$key] = TRUE;
}

function SetFrom($from){
$this->SetHeader("From: $from");
}

function SetSubject($subject){
$this->SetHeader("Subject: $subject");
}

function SetDate($date = NULL,$istimestamp = FALSE){
if ($date == NULL) {
$date = time();
}
if ($istimestamp == TRUE) {
$date = date('D,d M Y H:i:s O',$date);
}
$this->SetHeader("Date: $date");
}

function SetBoundary($boundary = NULL){
if ($boundary == NULL) {
$this->boundary = '--' . strtoupper(md5(mt_rand())) . '_MULTIPART_MIXED';
} else {
$this->boundary = $boundary;
}
}

function SetBaseDir($dir){
$this->dir_base = str_replace("\\","/",realpath($dir));
}

function SetFirstPage($filename){
$this->page_first = str_replace("\\",realpath("{$this->dir_base}/$filename"));
}

function AutoAddFiles(){
if (!isset($this->page_first)) {
exit ('Not set the first page.');
}
$filepath = str_replace($this->dir_base,'',$this->page_first);
$filepath = 'http://mhtfile' . $filepath;
$this->AddFile($this->page_first,$filepath,NULL);
$this->AddDir($this->dir_base);
}

function AddDir($dir){
$handle_dir = opendir($dir);
while ($filename = readdir($handle_dir)) {
if (($filename!='.') && ($filename!='..') && ("$dir/$filename"!=$this->page_first)) {
if (is_dir("$dir/$filename")) {
$this->AddDir("$dir/$filename");
} elseif (is_file("$dir/$filename")) {
$filepath = str_replace($this->dir_base,"$dir/$filename");
$filepath = 'http://mhtfile' . $filepath;
$this->AddFile("$dir/$filename",NULL);
}
}
}
closedir($handle_dir);
}

function AddFile($filename,$filepath = NULL,$encoding = NULL){
if ($filepath == NULL) {
$filepath = $filename;
}
$mimetype = $this->GetMimeType($filename);
$filecont = file_get_contents($filename);
$this->AddContents($filepath,$mimetype,$filecont,$encoding);
}

function AddContents($filepath,$encoding = NULL){
if ($encoding == NULL) {
$filecont = chunk_split(base64_encode($filecont),76);
$encoding = 'base64';
}
$this->files[] = array('filepath' => $filepath,
'mimetype' => $mimetype,
'filecont' => $filecont,
'encoding' => $encoding);
}

function CheckHeaders(){
if (!array_key_exists('date',$this->headers_exists)) {
$this->SetDate(NULL,TRUE);
}
if ($this->boundary == NULL) {
$this->SetBoundary();
}
}

function CheckFiles(){
if (count($this->files) == 0) {
return FALSE;
} else {
return TRUE;
}
}

function GetFile(){
$this->CheckHeaders();
if (!$this->CheckFiles()) {
exit ('No file was added.');
} //www.jb51.cc
$contents = implode("\r\n",$this->headers);
$contents .= "\r\n";
$contents .= "MIME-Version: 1.0\r\n";
$contents .= "Content-Type: multipart/related;\r\n";
$contents .= "\tboundary=\"{$this->boundary}\";\r\n";
$contents .= "\ttype=\"" . $this->files[0]['mimetype'] . "\"\r\n";
$contents .= "X-MimeOLE: Produced By Mht File Maker v1.0 beta\r\n";
$contents .= "\r\n";
$contents .= "This is a multi-part message in MIME format.\r\n";
$contents .= "\r\n";
foreach ($this->files as $file) {
$contents .= "--{$this->boundary}\r\n";
$contents .= "Content-Type: $file[mimetype]\r\n";
$contents .= "Content-Transfer-Encoding: $file[encoding]\r\n";
$contents .= "Content-Location: $file[filepath]\r\n";
$contents .= "\r\n";
$contents .= $file['filecont'];
$contents .= "\r\n";
}
$contents .= "--{$this->boundary}--\r\n";
return $contents;
}

function MakeFile($filename){
$contents = $this->GetFile();
$fp = fopen($filename,'w');
fwrite($fp,$contents);
fclose($fp);
}

function GetMimeType($filename){
$pathinfo = pathinfo($filename);
switch ($pathinfo['extension']) {
case 'htm': $mimetype = 'text/html'; break;
case 'html': $mimetype = 'text/html'; break;
case 'txt': $mimetype = 'text/plain'; break;
case 'cgi': $mimetype = 'text/plain'; break;
case 'PHP': $mimetype = 'text/plain'; break;
case 'css': $mimetype = 'text/css'; break;
case 'jpg': $mimetype = 'image/jpeg'; break;
case 'jpeg': $mimetype = 'image/jpeg'; break;
case 'jpe': $mimetype = 'image/jpeg'; break;
case 'gif': $mimetype = 'image/gif'; break;
case 'png': $mimetype = 'image/png'; break;
default: $mimetype = 'application/octet-stream'; break;
}
return $mimetype;
}
}
?>