function thumbnail_exists($filename)
{
global $upload_dir, $attach_config;
if (!intval($attach_config['allow_ftp_upload'])) {
$found = file_exists(amod_realpath($upload_dir . '/' . THUMB_DIR . '/t_' . $filename));
} else {
include_once 'includes/classes/cpg_ftp.php';
$ftp = new cpg_ftp($attach_config['ftp_server'], $attach_config['ftp_user'], $attach_config['ftp_pass'], $attach_config['ftp_path'] . '/' . THUMB_DIR, $attach_config['ftp_pasv_mode']);
$found = $ftp->exists($filename);
$ftp->close();
}
return $found;
}
function get_formatted_dirsize()
{
global $attach_config, $upload_dir, $lang;
$upload_dir_size = 0;
if (!intval($attach_config['allow_ftp_upload'])) {
if ($dirname = opendir($upload_dir)) {
while ($file = readdir($dirname)) {
if ($file != 'index.php' && $file != '.htaccess' && !is_dir($upload_dir . '/' . $file) && !is_link($upload_dir . '/' . $file)) {
$upload_dir_size += filesize($upload_dir . '/' . $file);
}
}
closedir($dirname);
} else {
$upload_dir_size = $lang['Not_available'];
return $upload_dir_size;
}
} else {
include_once 'includes/classes/cpg_ftp.php';
$ftp = new cpg_ftp($attach_config['ftp_server'], $attach_config['ftp_user'], $attach_config['ftp_pass'], $attach_config['ftp_path'], $attach_config['ftp_pasv_mode']);
$file_listing = $ftp->dirlist();
$ftp->close();
if (!$file_listing) {
return $lang['Not_available'];
}
for ($i = 0; $i < count($file_listing); $i++) {
if (!$file_listing[1] && $file_listing[4] != 'index.php' && $file_listing[4] != '.htaccess') {
$upload_dir_size += $file_listing[1];
}
}
}
return filesize_to_human($upload_dir_size);
}
function send_file_to_browser($attachment, $upload_dir)
{
global $_SERVER, $lang, $db, $attach_config, $board_config;
$filename = $upload_dir == '' ? $attachment['physical_filename'] : $upload_dir . '/' . $attachment['physical_filename'];
$gotit = FALSE;
if (!intval($attach_config['allow_ftp_upload'])) {
if (!file_exists(amod_realpath($filename))) {
message_die(GENERAL_ERROR, $lang['Error_no_attachment'] . "<br /><br /><b>404 File Not Found:</b> The File <i>" . $filename . "</i> does not exist.");
} else {
$gotit = TRUE;
}
}
//
// Determine the Browser the User is using, because of some nasty incompatibilities.
// Most of the methods used in this function are from phpMyAdmin. :)
//
$HTTP_USER_AGENT = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
if (preg_match('#Opera(/| )([0-9].[0-9]{1,2})#', $HTTP_USER_AGENT)) {
$browser_agent = 'opera';
} else {
if (preg_match('#MSIE ([0-9].[0-9]{1,2})#', $HTTP_USER_AGENT)) {
$browser_agent = 'ie';
} else {
if (preg_match('#OmniWeb/([0-9].[0-9]{1,2})#', $HTTP_USER_AGENT)) {
$browser_agent = 'omniweb';
} else {
if (preg_match('#Netscape([0-9]{1})#', $HTTP_USER_AGENT)) {
$browser_agent = 'netscape';
} else {
if (preg_match('#Mozilla/([0-9].[0-9]{1,2})#', $HTTP_USER_AGENT)) {
$browser_agent = 'mozilla';
} else {
if (preg_match('#Konqueror/([0-9].[0-9]{1,2})#', $HTTP_USER_AGENT)) {
$browser_agent = 'konqueror';
} else {
$browser_agent = 'other';
}
}
}
}
}
}
if (GZIPSUPPORT) {
while (ob_end_clean()) {
}
header('Content-Encoding: none');
}
// Now the tricky part... let's dance
/*
header('Pragma: public');
header('Content-Transfer-Encoding: none');
header("Expires: 0"); // set expiration time
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
*/
//
// Now send the File Contents to the Browser
//
if ($gotit) {
$size = filesize($filename);
if ($attachment['mimetype'] == 'application/x-zip-compressed') {
if (intval($attach_config['allow_ftp_upload'])) {
if (trim($attach_config['download_path']) == '') {
message_die(GENERAL_ERROR, 'Physical Download not possible with the current Attachment Setting');
}
$url = trim($attach_config['download_path']) . '/' . $attachment['physical_filename'];
$redirect_path = $url;
} else {
$redirect_path = '/' . $upload_dir . '/' . $attachment['physical_filename'];
}
URL::redirect($redirect_path);
} else {
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if (false === stripos($attachment['mimetype'], 'image')) {
$attachment['mimetype'] = $browser_agent == 'ie' || $browser_agent == 'opera' ? 'application/octetstream' : 'application/octet-stream';
}
if (!($fp = fopen($filename, 'rb'))) {
cpg_error('Could not open file for sending');
}
// Send out the Headers
header('Content-Type: ' . $attachment['mimetype'] . '; name="' . $attachment['real_filename'] . '"');
header('Content-Disposition: inline; filename="' . $attachment['real_filename'] . '"');
print fread($fp, $size);
fclose($fp);
}
} else {
if (!$gotit && intval($attach_config['allow_ftp_upload'])) {
$tmp_path = !ini_get('safe_mode') ? '/tmp' : $upload_dir . '/tmp';
$tmp_filename = tempnam($tmp_path, 't0000');
unlink($tmp_filename);
include_once 'includes/classes/cpg_ftp.php';
$ftp = new cpg_ftp($attach_config['ftp_server'], $attach_config['ftp_user'], $attach_config['ftp_pass'], $attach_config['ftp_path'], $attach_config['ftp_pasv_mode']);
$mode = FTP_BINARY;
if (preg_match("/text/i", $attachment['mimetype']) || preg_match("/html/i", $attachment['mimetype'])) {
$mode = FTP_ASCII;
}
$result = ftp_get($ftp->connect_id, $tmp_filename, $filename, $mode);
$ftp->close();
if (!$result) {
message_die(GENERAL_ERROR, $lang['Error_no_attachment'] . "<br /><br /><b>404 File Not Found:</b> The File <i>" . $filename . "</i> does not exist.");
}
$size = filesize($tmp_filename);
if ($size) {
header("Content-length: {$size}");
}
if ($attachment['mimetype'] == 'application/x-zip-compressed') {
if (intval($attach_config['allow_ftp_upload'])) {
if (trim($attach_config['download_path']) == '') {
message_die(GENERAL_ERROR, 'Physical Download not possible with the current Attachment Setting');
}
$url = trim($attach_config['download_path']) . '/' . $attachment['physical_filename'];
$redirect_path = $url;
} else {
$redirect_path = $upload_dir . '/' . $attachment['physical_filename'];
}
URL::redirect($redirect_path);
} else {
// Correct the mime type - we force application/octetstream for all files, except images
// Please do not change this, it is a security precaution
if (!strstr($attachment['mimetype'], 'image')) {
$attachment['mimetype'] = $browser_agent == 'ie' || $browser_agent == 'opera' ? 'application/octetstream' : 'application/octet-stream';
}
// Send out the Headers
header('Content-Type: ' . $attachment['mimetype'] . '; name="' . $attachment['real_filename'] . '"');
header('Content-Disposition: inline; filename="' . $attachment['real_filename'] . '"');
print readfile($filename);
unlink($tmp_filename);
}
} else {
message_die(GENERAL_ERROR, $lang['Error_no_attachment'] . "<br /><br /><b>404 File Not Found:</b> The File <i>" . $filename . "</i> does not exist.");
}
}
exit;
}
