Page MenuHomeCode
Files F882949

file.php
No OneTemporary
Actions

file.php
View Options

<?php
/**
* Content file class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* 0.1 2012-12-03 02:57 Forked from Content
*
* @package Zed
* @subpackage Content
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
/**
* Content class
*
* This class maps the content_files table.
*
*/
class ContentFile {
/* -------------------------------------------------------------
Properties
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
public $id;
public $path;
public $user_id;
public $perso_id;
public $title;
/* -------------------------------------------------------------
Constructor, __toString
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/**
* Initializes a new ContentFile instance
*
* @param int $id the primary key
*/
function __construct ($id = null) {
if ($id) {
$this->id = $id;
$this->load_from_database();
}
}
/**
* Returns a string representation of current Content instance
*
* @return string the content title or path if title is blank.
*/
function __toString () {
return $this->title ? $this->title : $this->path;
}
/* -------------------------------------------------------------
Load/save class
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/**
* Loads the object ContentFile (ie fill the properties) from the $_POST array
*
* @param boolean $allowSensibleFields if false, allow only title to be defined ; otherwise, allow all fields.
*/
function load_from_form ($allowSensibleFields = false) {
if (array_key_exists('title', $_POST)) $this->title = $_POST['title'];
if ($allowSensibleFields) {
if (array_key_exists('path', $_POST)) $this->path = $_POST['path'];
if (array_key_exists('user_id', $_POST)) $this->user_id = $_POST['user_id'];
if (array_key_exists('perso_id', $_POST)) $this->perso_id = $_POST['perso_id'];
}
}
/**
* Loads the object ContentFile (ie fill the properties) from the database
*/
function load_from_database () {
global $db;
$id = $db->sql_escape($this->id);
$sql = "SELECT * FROM content_files WHERE content_id = '" . $id . "'";
if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query content", '', __LINE__, __FILE__, $sql);
if (!$row = $db->sql_fetchrow($result)) {
$this->lastError = "Content unkwown: " . $this->id;
return false;
}
$this->load_from_row($row);
return true;
}
/**
* Loads the object from row
*/
function load_from_row ($row) {
$this->id = $row['content_id'];
$this->path = $row['content_path'];
$this->user_id = $row['user_id'];
$this->perso_id = $row['perso_id'];
$this->title = $row['content_title'];
}
/**
* Saves to database
*/
function save_to_database () {
global $db;
$id = $this->id ? "'" . $db->sql_escape($this->id) . "'" : 'NULL';
$path = $db->sql_escape($this->path);
$user_id = $db->sql_escape($this->user_id);
$perso_id = $db->sql_escape($this->perso_id);
$title = $db->sql_escape($this->title);
//Updates or inserts
$sql = "REPLACE INTO content_files (`content_id`, `content_path`, `user_id`, `perso_id`, `content_title`) VALUES ($id, '$path', '$user_id', '$perso_id', '$title')";
if (!$db->sql_query($sql)) {
message_die(SQL_ERROR, "Can't save content", '', __LINE__, __FILE__, $sql);
}
if (!$this->id) {
//Gets new record id value
$this->id = $db->sql_nextid();
}
}
/* -------------------------------------------------------------
File handling helper methods
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/**
* Determines if the extension is valid
*
* @param string $ext The extension (without dot)
* @return boolean true if this extension is valid ; otherwise, false.
*/
function is_valid_extension ($ext) {
$ext = strtolower($ext);
return (is_valid_image_extension($ext) || is_valid_audio_extension($ext)
|| is_valid_video_extension($ext));
}
/**
* Determines if the extension is valid
*
* @param string $ext The extension (without dot)
* @return boolean true if this extension is valid ; otherwise, false.
*/
function is_valid_image_extension ($ext) {
switch ($ext = strtolower($ext)) {
//Pictures
case 'jpg':
case 'gif':
case 'png':
case 'bmp':
case 'xbm':
return true;
//Denied extension
default:
return false;
}
}
/**
* Determines if the extension is a valid audio file one
*
* @param string $ext The extension (without dot)
* @return boolean true if this extension is valid ; otherwise, false.
*/
function is_valid_audio_extension ($ext) {
switch ($ext = strtolower($ext)) {
//Sounds (HTML5 <audio> formats)
case 'mp3':
case 'ogg':
case 'aac':
case 'wav':
case 'wave':
return true;
//Denied extension
default:
return false;
}
}
/**
* Determines if the extension is a valid video file one
*
* @param string $ext The extension (without dot)
* @return boolean true if this extension is valid ; otherwise, false.
*
* @todo add H.264 extension
*/
function is_valid_video_extension ($ext) {
switch ($ext = strtolower($ext)) {
//Video (HTML5 <video> formats)
case 'ogg':
case 'webm':
return true;
//Denied extension
default:
return false;
}
}
/**
* Creates a directory
*
* @param string $dir the directory to create
*
* @todo set contents chmod in config
*/
function create_directory ($directory) {
if (!file_exists($directory)) {
@mkdir($directory); //Creates new directory, chmod 777
}
}
/**
* Handles uploaded file
*
* @return bool true if the file have been handled
*/
function handle_uploaded_file ($fileArray) {
if (count($fileArray) && $fileArray['error'] == 0) {
$this->create_directory("content/users/$this->user_id");
$this->path = "content/users/$this->user_id/$fileArray[name]";
if (!self::is_valid_extension(get_extension($fileArray[name]))) {
return false;
}
if (move_uploaded_file($fileArray['tmp_name'], $this->path)) {
return true;
} else {
$this->path = null;
return false;
}
} else {
return false;
}
}
/**
* Generates a thumbnail using ImageMagick binary
*
* @return boolean true if the thumbnail command returns 0 as program exit code ; otherwise, false
*/
function generate_thumbnail () {
global $Config;
//Builds thumbnail filename
$sourceFile = $this->path;
$pos = strrpos($this->path, '.');
$thumbnailFile = substr($sourceFile, 0, $pos) . 'Square' . substr($sourceFile, $pos);
//Executes imagemagick command
$command = $Config['ImageMagick']['convert'] . " \"$sourceFile\" -resize 162x162 \"$thumbnailFile\"";
@system($command, $code);
//Returns true if the command have exited with errorcode 0 (= ok)
return ($code == 0);
}
}
?>

File Metadata

Mime Type
text/x-php
Expires
Thu, Apr 3, 06:43 (2 w, 3 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
22036
Default Alt Text
file.php (8 KB)

Event Timeline