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-rw-r--r--system/application/controllers/file.php231
1 files changed, 231 insertions, 0 deletions
diff --git a/system/application/controllers/file.php b/system/application/controllers/file.php
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+++ b/system/application/controllers/file.php
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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 = $folder.'/'.$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);
+
+ $folder = $this->file_mod->folder($filedata['hash']);
+ $file = $folder.'/'.$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) <= $this->config->item('upload_max_text_size')
+ ) {
+ header("Content-Type: text/html\n");
+ // TODO: move to own file
+ echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
+ .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"'
+ .' <head><title>'.$filedata['filename'].'</title>'
+ .' <link rel="stylesheet" type="text/css" href="'.base_url().'data/paste.css" />'
+ .' </head>'
+ .'<body>'
+ .' <div class="top_bar">'
+ .' <a class="raw_link no" href="'.site_url($this->config->item('paste_download_url').$id).'">Raw</a>'
+ .' </div'
+ .' <table class="content">'
+ .' <tr><td class="numbers"><pre>';
+ // TODO: implement in PHP
+ 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 '</pre></td></tr></table></body></html>';
+ } 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)) {
+ $buff = fread($fp,4096);
+ echo $buff;
+ }
+ fclose($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 = $this->config->item('upload_path').'/'.substr($row['hash'], 0, 3).'/'.$row['hash'];
+ if(filemtime($file) < $oldest_time) {
+ unlink($file);
+ $this->db->query('DELETE FROM files WHERE hash = ?', array($row['hash']));
+ } else {
+ $this->db->query('DELETE FROM files WHERE id = ?', array($row['id']));
+ }
+ }
+ }
+}
+
+/* End of file file.php */
+/* Location: ./system/application/controllers/file.php */
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