From ce2b69675075444c9e40b72bcdd42ab7edbbe633 Mon Sep 17 00:00:00 2001 From: Florian Pritz Date: Fri, 28 Jan 2011 22:51:06 +0100 Subject: update to CI 2.0 Signed-off-by: Florian Pritz --- system/application/models/file_mod.php | 419 --------------------------------- 1 file changed, 419 deletions(-) delete mode 100644 system/application/models/file_mod.php (limited to 'system/application/models/file_mod.php') diff --git a/system/application/models/file_mod.php b/system/application/models/file_mod.php deleted file mode 100644 index 48ae5696b..000000000 --- a/system/application/models/file_mod.php +++ /dev/null @@ -1,419 +0,0 @@ - - * - * Licensed under GPLv3 - * (see COPYING for full license text) - * - */ - -class File_mod extends Model { - - function __construct() - { - parent::Model(); - } - - // Returns an unused ID - // TODO: make threadsafe - function new_id() - { - $id = $this->random_id(3,6); - - if ($this->id_exists($id) || $id == 'file') { - return $this->new_id(); - } else { - return $id; - } - } - - function id_exists($id) - { - if(!$id) { - return false; - } - - $sql = ' - SELECT id - FROM `files` - WHERE `id` = ? - LIMIT 1'; - $query = $this->db->query($sql, array($id)); - - if ($query->num_rows() == 1) { - return true; - } else { - return false; - } - } - - function get_filedata($id) - { - $sql = ' - SELECT hash, filename, mimetype, date - FROM `files` - WHERE `id` = ? - LIMIT 1'; - $query = $this->db->query($sql, array($id)); - - if ($query->num_rows() == 1) { - $return = $query->result_array(); - return $return[0]; - } else { - return false; - } - } - - // return the folder in which the file with $hash is stored - function folder($hash) { - return $this->config->item('upload_path').'/'.substr($hash, 0, 3); - } - - // Returns the full path to the file with $hash - function file($hash) { - return $this->folder($hash).'/'.$hash; - } - - function hash_password($password) - { - return sha1($this->config->item('passwordsalt').$password); - } - - // Returns the password submitted by the user - function get_password() - { - $password = $this->input->post('password'); - if ($password !== false && $password !== "") { - return $this->hash_password($password); - } elseif (isset($_SERVER['PHP_AUTH_PW']) && $_SERVER['PHP_AUTH_PW'] !== '') { - return $this->hash_password($_SERVER['PHP_AUTH_PW']); - } - return 'NULL'; - } - - // Add a hash to the DB - // TODO: Should only update not insert; see new_id() - function add_file($hash, $id, $filename) - { - $mimetype = exec(FCPATH.'scripts/mimetype -b --orig-name '.escapeshellarg($filename).' '.escapeshellarg($this->file($hash))); - $query = $this->db->query(' - INSERT INTO `files` (`hash`, `id`, `filename`, `password`, `date`, `mimetype`) - VALUES (?, ?, ?, ?, ?, ?)', - array($hash, $id, $filename, $this->get_password(), time(), $mimetype)); - } - - function show_url($id, $mode) - { - $data = array(); - $redirect = false; - - if ($mode) { - $data['url'] = site_url($id).'/'.$mode; - } else { - $data['url'] = site_url($id).'/'; - - $filedata = $this->get_filedata($id); - $file = $this->file($filedata['hash']); - $type = $filedata['mimetype'] ? $filedata['mimetype'] : exec(FCPATH.'scripts/mimetype -b --orig-name '.escapeshellarg($filedata['filename']).' '.escapeshellarg($file)); - $mode = $this->mime2extension($type); - $mode = $this->filename2extension($filedata['filename']) ? $this->filename2extension($filedata['filename']) : $mode; - - // If we detected a highlightable file redirect, - // otherwise show the URL because browsers would just show a DL dialog - if ($mode) { - $redirect = true; - } - } - - if ($this->var->cli_client) { - echo $data['url']."\n"; - } else { - if ($redirect) { - redirect($data['url']); - } else { - $this->load->view('file/header', $data); - $this->load->view('file/show_url', $data); - $this->load->view('file/footer', $data); - } - } - } - - function non_existent() - { - $data["title"] = "Not Found"; - $this->output->set_status_header(404); - $this->load->view('file/header', $data); - $this->load->view('file/non_existent', $data); - $this->load->view('file/footer', $data); - } - - // download a given ID - // TODO: make smaller - function download() - { - $data = array(); - $id = $this->uri->segment(1); - $mode = $this->uri->segment(2); - - $filedata = $this->get_filedata($id); - $file = $this->file($filedata['hash']); - - if (file_exists($file)) { - $oldest_time = (time()-$this->config->item('upload_max_age')); - if (filesize($file) > $this->config->item("small_upload_size") && $filedata["date"] < $oldest_time) { - if (filemtime($file) < $oldest_time) { - unlink($file); - $this->db->query('DELETE FROM files WHERE hash = ?', array($filedata['hash'])); - } else { - $this->db->query('DELETE FROM files WHERE id = ? LIMIT 1', array($id)); - } - $this->non_existent(); - return; - } - // MODIFIED SINCE SUPPORT -- START - // helps to keep traffic low when reloading an image - $filedate = filectime($file); - $etag = strtolower(md5_file($file)); - $modified = true; - - // No need to check because different files have different IDs/hashes - if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) { - $modified = false; - } - - if(isset($_SERVER['HTTP_IF_NONE_MATCH'])) { - $oldtag = trim(strtolower($_SERVER['HTTP_IF_NONE_MATCH']), '"'); - if($oldtag == $etag) { - $modified = false; - } else { - $modified = true; - } - } - // MODIFIED SINCE SUPPORT -- END - - if (!$modified) { - header("HTTP/1.1 304 Not Modified"); - header('Etag: "'.$etag.'"'); - } else { - $type = $filedata['mimetype'] ? $filedata['mimetype'] : exec(FCPATH.'scripts/mimetype -b --orig-name '.escapeshellarg($filedata['filename']).' '.escapeshellarg($file)); - - // /$mode at the end of the URL overwrites autodetection - if (!$mode && substr_count(ltrim($this->uri->uri_string(), "/"), '/') >= 1) { - $mode = $this->mime2extension($type); - $mode = $this->filename2extension($filedata['filename']) ? $this->filename2extension($filedata['filename']) : $mode; - } - $mode = $this->extension_aliases($mode); - - // TODO: cleanup conditions - if ($mode && $mode != 'plain' && $mode != 'qr' - && $this->mime2extension($type) - && filesize($file) <= $this->config->item('upload_max_text_size') - ) { - $data['title'] = $filedata['filename']; - $data['raw_link'] = site_url($id); - $data['new_link'] = site_url(); - $data['plain_link'] = site_url($id.'/plain'); - $data['auto_link'] = site_url($id).'/'; - $data['rmd_link'] = site_url($id.'/rmd'); - $data['delete_link'] = site_url("file/delete/".$id); - - header("Content-Type: text/html\n"); - if ($mode) { - $data['current_highlight'] = $mode; - } else { - $data['current_highlight'] = $this->mime2extension($type); - } - if (filesize($file) > $this->config->item("small_upload_size")) { - $data['timeout'] = date("r", $filedata["date"]+$this->config->item("upload_max_age")); - } else { - $data['timeout'] = "never"; - } - echo $this->load->view('file/html_header', $data, true); - $this->load->library("MemcacheLibrary"); - if (! $cached = $this->memcachelibrary->get($filedata['hash'].'_'.$mode)) { - ob_start(); - if ($mode == "rmd") { - echo ''."\n"; - passthru('/usr/bin/perl /usr/bin/perlbin/vendor/Markdown.pl '.escapeshellarg($file)); - } else { - echo '
';
-							// generate line numbers (links)
-							passthru('/usr/bin/perl -ne \'print "$.\n"\' '.escapeshellarg($file));
-							echo '
'."\n"; - $this->load->library('geshi'); - $this->geshi->initialize(array('set_language' => $mode, 'set_source' => file_get_contents($file), 'enable_classes' => 'true')); - echo $this->geshi->output(); - } - $cached = ob_get_contents(); - ob_end_clean(); - $this->memcachelibrary->set($filedata['hash'].'_'.$mode, $cached, 100); - } - echo $cached; - echo $this->load->view('file/html_footer', $data, true); - } else { - if ($mode == 'plain') { - header("Content-Type: text/plain\n"); - } elseif ($mode == "qr") { - header("Content-disposition: inline; filename=\"".$id."_qr.png\"\n"); - header("Content-Type: image/png\n"); - passthru('/usr/bin/qrencode -s 10 -o - '.escapeshellarg(site_url($id).'/')); - exit(); - } else { - header("Content-Type: ".$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($fp); - } - } - exit(); - } else { - if (isset($filedata["hash"])) { - $this->db->query('DELETE FROM files WHERE hash = ?', array($filedata['hash'])); - } - $this->non_existent(); - } - } - - private function unused_file($hash) - { - $sql = ' - SELECT id - FROM `files` - WHERE `hash` = ? - LIMIT 1'; - $query = $this->db->query($sql, array($hash)); - - if ($query->num_rows() == 0) { - return true; - } else { - return false; - } - } - - function delete_id($id) - { - $filedata = $this->get_filedata($id); - $password = $this->get_password(); - - if ($password == "NULL") { - return false; - } - - if(!$this->id_exists($id)) { - return false; - } - - $sql = ' - DELETE - FROM `files` - WHERE `id` = ? - AND password = ? - LIMIT 1'; - $this->db->query($sql, array($id, $password)); - - if($this->id_exists($id)) { - return false; - } - - if($this->unused_file($filedata['hash'])) { - unlink($this->file($filedata['hash'])); - @rmdir($this->folder($filedata['hash'])); - } - return true; - } - - // Generate a random ID - private function random_id($min_length, $max_length) - { - $random = ''; - $char_list = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; - $char_list .= "abcdefghijklmnopqrstuvwxyz"; - $char_list .= "1234567890"; - $length = rand()%($max_length-$min_length) + $min_length; - - for($i = 0; $i < $max_length; $i++) { - if (strlen($random) == $length) break; - $random .= substr($char_list,(rand()%(strlen($char_list))), 1); - } - return $random; - } - - // Map MIME types to extensions needed for highlighting - function mime2extension($type) - { - $typearray = array( - 'text/plain' => 'text', - 'text/x-python' => 'python', - 'text/x-csrc' => 'c', - 'text/x-chdr' => 'c', - 'text/x-c++hdr' => 'c', - 'text/x-c++src' => 'cpp', - 'text/x-patch' => 'diff', - 'text/x-lua' => 'lua', - 'text/x-java' => 'java', - 'text/x-haskell' => 'haskell', - 'text/x-literate-haskell' => 'haskell', - 'text/x-subviewer' => 'bash', - 'text/x-makefile' => 'make', - #'text/x-log' => 'log', - 'text/html' => 'xml', - 'text/css' => 'css', - 'message/rfc822' => 'email', - #'image/svg+xml' => 'xml', - 'application/x-perl' => 'perl', - 'application/xml' => 'xml', - 'application/javascript' => 'javascript', - 'application/x-desktop' => 'text', - 'application/x-m4' => 'text', - 'application/x-awk' => 'text', - 'application/x-java' => 'java', - 'application/x-php' => 'php', - 'application/x-ruby' => 'ruby', - 'application/x-shellscript' => 'bash', - 'application/x-x509-ca-cert' => 'text', - 'application/mbox' => 'email', - 'application/x-genesis-rom' => 'text', - 'application/x-applix-spreadsheet' => 'actionscript' - ); - if (array_key_exists($type, $typearray)) return $typearray[$type]; - - if (strpos($type, 'text/') === 0) return 'text'; - - # default - return false; - } - - // Map special filenames to extensions - function filename2extension($name) - { - $namearray = array( - 'PKGBUILD' => 'bash', - '.vimrc' => 'vim' - ); - if (array_key_exists($name, $namearray)) return $namearray[$name]; - - return false; - } - - // Handle alias extensions - function extension_aliases($alias) - { - if ($alias === false) return false; - $aliasarray = array( - 'py' => 'python' - ); - if (array_key_exists($alias, $aliasarray)) return $aliasarray[$alias]; - - return $alias; - } - -} - -# vim: set noet: -- cgit v1.2.3-24-g4f1b