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<?php
/*
* Copyright 2009-2010 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under GPLv3
* (see COPYING for full license text)
*
*/
class File extends Controller {
// TODO: Add comments
function __construct()
{
parent::Controller();
$this->load->helper('form');
$this->load->model('file_mod');
}
function index()
{
$this->upload_form();
}
function upload_form()
{
$data = array();
$data['title'] = 'Upload';
$this->load->view('file/header', $data);
$this->load->view('file/upload_form', $data);
$this->load->view('file/footer', $data);
}
function delete()
{
$id = $this->uri->segment(3);
$password = $this->input->post('password');
if ($password !== false && $this->file_mod->id_exists($id) && $this->file_mod->delete_id($id, $password)) {
echo $id." deleted\n";
} else {
echo 'Couldn\'t delete '.$id."\n";
}
die();
}
function do_upload()
{
$data = array();
if(isset($_FILES['userfile'])) {
if ($_FILES['userfile']['error'] === 0) {
$filesize = filesize($_FILES['userfile']['tmp_name']);
if ($filesize >= $this->config->item('upload_max_size')) {
$this->load->view('file/header', $data);
$this->load->view('file/too_big');
} else {
$password = $this->input->post('password');
$extension = $this->input->post('extension');
if ($password !== false) {
$password = $this->file_mod->hash_password($password);
} else {
$password = 'NULL';
}
$id = $this->file_mod->new_id();
$file_hash = md5_file($_FILES['userfile']['tmp_name']);
$file_name = $_FILES['userfile']['name'];
$folder = $this->file_mod->folder($file_hash);
file_exists($folder) || mkdir ($folder);
$file = $this->file_mod->file($file_hash);
$sql = '
INSERT INTO `files` (`hash`, `id`, `filename`, `password`, `date`)
VALUES (?, ?, ?, ?, ?)';
$query = $this->db->query($sql, array($file_hash, $id, $file_name, $password, time()));
move_uploaded_file($_FILES['userfile']['tmp_name'], $file);
chmod($file, 0600);
redirect($this->config->item('paste_show_url').$id.'/'.$extension);
}
} else {
$this->index();
}
} else {
$this->load->view('file/header', $data);
$this->load->view('file/upload_error', $data);
$this->load->view('file/footer', $data);
}
}
function show_url()
{
$data = array();
$id = $this->uri->segment(3);
$mode = $this->uri->segment(4);
if ($mode) {
$data['url'] = site_url($this->config->item('paste_download_url').$id.'/'.$mode);
} else {
$data['url'] = site_url($this->config->item('paste_download_url').$id).'/';
}
if (strstr($_SERVER['HTTP_USER_AGENT'], 'libcurl')) {
echo $data['url'];
} else {
$this->load->view('file/header', $data);
$this->load->view('file/show_url', $data);
$this->load->view('file/footer', $data);
}
}
function download()
{
$data = array();
$id = $this->uri->segment(3);
$mode = $this->uri->segment(4);
$filedata = $this->file_mod->get_filedata($id);
$file = $this->file_mod->file($filedata['hash']);
if ($this->file_mod->id_exists($id) && file_exists($file)) {
// MODIFIED SINCE SUPPORT -- START
// helps to keep traffic low when reloading an image
// TODO: check for bugs, find source of code again
$filedate = filectime($file);
$etag = strtolower(md5_file($file));
$modified = true;
if(isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
$oldtag = trim(strtolower($_SERVER['HTTP_IF_NONE_MATCH']), '"');
if($oldtag == $etag) {
$modified = false;
} else {
$modified = true;
}
}
if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
$olddate = date_parse(trim(strtolower($_SERVER['HTTP_IF_MODIFIED_SINCE'])));
$olddate = gmmktime($olddate['hour'],
$olddate['minute'],
$olddate['second'],
$olddate['month'],
$olddate['day'],
$olddate['year']);
if($olddate >= $filedate) {
$modified = false;
} else {
$modified = true;
}
}
// MODIFIED SINCE SUPPORT -- END
$type = exec('/usr/bin/perlbin/vendor/mimetype -b '.escapeshellarg($file));
if (!$mode && substr_count(ltrim($this->uri->uri_string(), "/"), '/') >= 3) {
$mode = $this->file_mod->mime2extension($type);
}
if (!$modified) {
header("HTTP/1.1 304 Not Modified");
header('Etag: "'.$etag.'"');
} else {
if ($mode
&& $this->file_mod->mime2extension($type)
&& filesize($file) <= $this->config->item('upload_max_text_size')
) {
$data['title'] = $filedata['filename'];
$data['raw_link'] = site_url($this->config->item('paste_download_url').$id);
header("Content-Type: text/html\n");
echo $this->load->view('file/html_header', $data, true);
// only rewrite if it's fast
// count(file($file)); isn't
echo shell_exec('/usr/bin/seq 1 $(/usr/bin/wc -l '.escapeshellarg($file).' | /bin/cut -d\ -f1) | sed -r \'s/^(.*)$/<a href="#n\1" class="no" name="n\1" id="n\1">\1<\/a>/g\'');
echo '</pre></td><td class="code"><pre>'."\n";
echo shell_exec(FCPATH.'scripts/syntax-highlighting.sh '.$filedata['filename'].'.'.$mode.' < '.escapeshellarg($file));
echo $this->load->view('file/html_footer', $data, true);
} else {
header("Content-Type: ".$type."\n");
header("Content-disposition: inline; filename=\"".$filedata['filename']."\"\n");
header("Content-Length: ".filesize($file)."\n");
header("Last-Modified: ".date('D, d M Y H:i:s', $filedate)." GMT");
header('Etag: "'.$etag.'"');
$fp = fopen($file,"r");
while (!feof($fp)) {
echo fread($fp,4096);
}
fclose($fp);
}
}
exit();
} else {
$this->load->view('file/header', $data);
$this->load->view('file/non_existant');
$this->load->view('file/footer', $data);
}
}
function cron()
{
$oldest_time = (time()-$this->config->item('upload_max_age'));
$query = $this->db->query('SELECT hash, id FROM files WHERE date < ?',
array($oldest_time));
foreach($query->result_array() as $row) {
$file = $this->file_mod->file($row['hash']);
if(file_exists($file) && filemtime($file) < $oldest_time) {
unlink($file);
$this->db->query('DELETE FROM files WHERE hash = ?', array($row['hash']));
} else {
$this->db->query('DELETE FROM files WHERE id = ? LIMIT 1', array($row['id']));
}
}
}
}
# vim: set ts=2 sw=2 et:
/* End of file file.php */
/* Location: ./system/application/controllers/file.php */
|
