static function makeRex()
{
return str::bc36(strval(time()) . str_replace('.', '', $_SERVER['REMOTE_ADDR']));
}
static function drawFile($fname)
{
// settings
ini_set('zlib.output_compression', 'Off');
ini_set('output_buffering', 'Off');
// clean output buffers
for ($i = 0; $i < ob_get_level(); $i++) {
ob_end_clean();
if ($i > 10) {
break;
}
}
// content-type based on extension
$types = array('default' => array('type' => 'application/octet-stream', 'attach' => true), 'mp3' => 'audio/mpeg', 'mov' => 'video/quicktime', 'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'gif' => 'image/gif', 'pdf' => 'application/pdf', 'zip' => array('type' => 'application/zip', 'attach' => true), 'doc' => array('type' => 'application/msword', 'attach' => true));
// get type
$ext = file::ext($fname);
$t = isset($types[$ext]) ? $types[$ext] : current($types);
if (!is_array($t)) {
$t = array('type' => $t);
}
// headers
$id = str::bc36(time());
$chunk = 1024 * 1024;
$time_limit = (int) ($chunk / 100);
$filesize = filesize($fname);
header("Cache-Control:");
header("Cache-Control: public");
header("Pragma: ");
header('Content-Type: ' . $t['type']);
header('Content-Disposition: ' . ($t['attach'] ? 'attachment' : 'inline') . ';' . ' filename="' . basename($fname) . '"');
//' filename="'.file::name($fname).'-'.$id.'.'.file::ext($fname).'"');
header("Content-Transfer-Encoding: binary\n");
// check if http_range is sent by browser (or download manager)
header("Accept-Ranges: bytes");
if (isset($_SERVER['HTTP_RANGE'])) {
list($a, $range) = explode("=", $_SERVER['HTTP_RANGE']);
str_replace($range, "-", $range);
$filesize2 = $filesize - 1;
$new_length = $filesize2 - $range;
header("HTTP/1.1 206 Partial Content");
header("Content-Length: {$new_length}");
header("Content-Range: bytes {$range}{$filesize2}/{$filesize}");
$filesize = $new_length;
} else {
$filesize2 = $filesize - 1;
header("Content-Range: bytes 0-{$filesize2}/{$filesize}");
}
header("Content-Length: " . $filesize);
// draw
$fp = fopen($fname, 'rb');
if ($fp) {
// resume
if ($range > 0) {
fseek($fp, $range);
}
// send
while (!feof($fp) and connection_status() == 0) {
set_time_limit($time_limit);
$content = fread($fp, $chunk);
echo $content;
ob_flush();
flush();
$sent += strlen($content);
unset($content);
//funx::debug("$id sent ".(int)($sent/1024)."k".
// ", memory used ".(int)(memory_get_usage(true)/1024)."k".
// ", time limit ".(int)($time_limit/60)."m");
}
fclose($fp);
}
funx::debug("{$id} done ({$sent} of {$filesize}) (connection_status==" . (int) connection_status() . ")");
return !connection_aborted() and connection_status() == 0 and $sent >= $filesize;
}
