/**
* Load data from DB. Not the ideal way to do this but we can't break BC.
*
* @param int $version_id
* @param int $download_id
*/
private function setup($version_id, $download_id)
{
$this->id = absint($version_id);
$this->download_id = absint($download_id);
// Get Version Data
$this->version = strtolower(get_post_meta($this->id, '_version', true));
$this->download_count = get_post_meta($this->id, '_download_count', true);
$this->filesize = get_post_meta($this->id, '_filesize', true);
$this->md5 = get_post_meta($this->id, '_md5', true);
$this->sha1 = get_post_meta($this->id, '_sha1', true);
$this->crc32 = get_post_meta($this->id, '_crc32', true);
$this->mirrors = get_post_meta($this->id, '_files', true);
// Get URLS
if (is_string($this->mirrors)) {
$this->mirrors = array_filter((array) json_decode($this->mirrors));
} elseif (is_array($this->mirrors)) {
$this->mirrors = array_filter($this->mirrors);
} else {
$this->mirrors = array();
}
$this->url = current($this->mirrors);
$this->filename = current(explode('?', DLM_Utils::basename($this->url)));
$this->filetype = strtolower(substr(strrchr($this->filename, "."), 1));
// If we don't have a filesize, lets get it now
if ($this->filesize === "") {
$this->filesize = $this->get_filesize($this->url);
}
}
/**
* Output download headers
*/
private function download_headers($file_path, $download, $version)
{
global $is_IE;
// Get Mime Type
$mime_type = "application/octet-stream";
foreach (get_allowed_mime_types() as $mime => $type) {
$mimes = explode('|', $mime);
if (in_array($version->filetype, $mimes)) {
$mime_type = $type;
break;
}
}
// Get file name
$file_name = urldecode(DLM_Utils::basename($file_path));
if (strstr($file_name, '?')) {
$file_name = current(explode('?', $file_name));
}
// Environment + headers
if (!ini_get('safe_mode')) {
@set_time_limit(0);
}
if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) {
@set_magic_quotes_runtime(0);
}
if (function_exists('apache_setenv')) {
@apache_setenv('no-gzip', 1);
}
@session_write_close();
@ini_set('zlib.output_compression', 'Off');
@error_reporting(0);
/**
* Prevents errors, for example: transfer closed with 3 bytes remaining to read
*/
@ob_end_clean();
// Clear the output buffer
// Zip corruption fix
while (ob_get_level() > 0) {
@ob_end_clean();
}
$headers = array();
if ($is_IE && is_ssl()) {
// IE bug prevents download via SSL when Cache Control and Pragma no-cache headers set.
$headers['Expires'] = 'Wed, 11 Jan 1984 05:00:00 GMT';
$headers['Cache-Control'] = 'private';
} else {
nocache_headers();
}
$headers['X-Robots-Tag'] = 'noindex, nofollow';
$headers['Content-Type'] = $mime_type;
$headers['Content-Description'] = 'File Transfer';
$headers['Content-Disposition'] = "attachment; filename=\"{$file_name}\";";
$headers['Content-Transfer-Encoding'] = 'binary';
if ($version->filesize) {
$headers['Content-Length'] = $version->filesize;
$headers['Accept-Ranges'] = 'bytes';
}
$headers = apply_filters('dlm_download_headers', $headers, $file_path, $download, $version);
foreach ($headers as $key => $value) {
header($key . ': ' . $value);
}
}
