+++ /dev/null
-<?php
-/*
- * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
- * Copyright (C) 2002-2009 The Nucleus Group
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * (see nucleus/documentation/index.html#license for more info)
- */
-/**
- * Media classes for nucleus
- *
- * @license http://nucleuscms.org/license.txt GNU General Public License
- * @copyright Copyright (C) 2002-2009 The Nucleus Group
- * @version $Id: MEDIA.php 1525 2011-06-21 10:20:19Z sakamocchi $
- */
-
-define('PRIVATE_COLLECTION', 'Private Collection');
-define('READ_ONLY_MEDIA_FOLDER', '(Read Only)');
-
-/**
- * Represents the media objects for a certain member
- */
-class MEDIA {
-
- /**
- * Gets the list of collections available to the currently logged
- * in member
- *
- * @returns array of dirname => display name
- */
- function getCollectionList($exceptReadOnly = false) {
- global $member, $DIR_MEDIA;
-
- $collections = array();
-
- // add private directory for member
- $collections[$member->getID()] = PRIVATE_COLLECTION;
-
- // add global collections
- if (!is_dir($DIR_MEDIA)) return $collections;
-
- $dirhandle = opendir($DIR_MEDIA);
- while ($dirname = readdir($dirhandle)) {
- // only add non-numeric (numeric=private) dirs
- if (@is_dir($DIR_MEDIA . $dirname) &&
- ($dirname != '.') &&
- ($dirname != '..') &&
- ($dirname != 'CVS') &&
- (!is_numeric($dirname))) {
- if (@is_writable($DIR_MEDIA . $dirname))
- $collections[$dirname] = $dirname;
- else if ($exceptReadOnly == false)
- $collections[$dirname] = $dirname . ' ' . READ_ONLY_MEDIA_FOLDER;
- }
- }
- closedir($dirhandle);
-
- return $collections;
-
- }
-
- /**
- * Returns an array of MEDIAOBJECT objects for a certain collection
- *
- * @param $collection
- * name of the collection
- * @param $filter
- * filter on filename (defaults to none)
- */
- function getMediaListByCollection($collection, $filter = '') {
- global $DIR_MEDIA;
-
- $filelist = array();
-
- // 1. go through all objects and add them to the filelist
-
- $mediadir = $DIR_MEDIA . $collection . '/';
-
- // return if dir does not exist
- if (!is_dir($mediadir)) return $filelist;
-
- $dirhandle = opendir($mediadir);
- while ($filename = readdir($dirhandle)) {
- // only add files that match the filter
- if (!@is_dir($filename) && MEDIA::checkFilter($filename, $filter))
- array_push($filelist, new MEDIAOBJECT($collection, $filename, filemtime($mediadir . $filename)));
- }
- closedir($dirhandle);
-
- // sort array so newer files are shown first
- usort($filelist, 'sort_media');
-
- return $filelist;
- }
-
- function checkFilter($strText, $strFilter) {
- if ($strFilter == '')
- return 1;
- else
- return is_integer(i18n::strpos(strtolower($strText), strtolower($strFilter)));
- }
-
- /**
- * checks if a collection exists with the given name, and if it's
- * allowed for the currently logged in member to upload files to it
- */
- function isValidCollection($collectionName, $exceptReadOnly = false) {
- global $member, $DIR_MEDIA;
-
- // allow creating new private directory
- if ($collectionName === (string)$member->getID())
- return true;
-
- $collections = MEDIA::getCollectionList($exceptReadOnly);
- $dirname = $collections[$collectionName];
- if ($dirname == NULL || $dirname === PRIVATE_COLLECTION)
- return false;
-
- // other collections should exist and be writable
- $collectionDir = $DIR_MEDIA . $collectionName;
- if ($exceptReadOnly)
- return (@is_dir($collectionDir) && @is_writable($collectionDir));
-
- // other collections should exist
- return @is_dir($collectionDir);
- }
-
- /**
- * Adds an uploaded file to the media archive
- *
- * @param collection
- * collection
- * @param uploadfile
- * the postFileInfo(..) array
- * @param filename
- * the filename that should be used to save the file as
- * (date prefix should be already added here)
- */
- function addMediaObject($collection, $uploadfile, $filename) {
- global $DIR_MEDIA, $manager;
-
- // clean filename of characters that may cause trouble in a filename using cleanFileName() function from globalfunctions.php
- $filename = cleanFileName($filename);
- // should already have tested for allowable types before calling this method. This will only catch files with no extension at all
- if ($filename === false)
- return _ERROR_BADFILETYPE;
-
- // trigger PreMediaUpload event
- $manager->notify('PreMediaUpload',array('collection' => &$collection, 'uploadfile' => $uploadfile, 'filename' => &$filename));
-
- // don't allow uploads to unknown or forbidden collections
- $exceptReadOnly = true;
- if (!MEDIA::isValidCollection($collection,$exceptReadOnly))
- return _ERROR_DISALLOWED;
-
- // check dir permissions (try to create dir if it does not exist)
- $mediadir = $DIR_MEDIA . $collection;
-
- // try to create new private media directories if needed
- if (!@is_dir($mediadir) && is_numeric($collection)) {
- $oldumask = umask(0000);
- if (!@mkdir($mediadir, 0777))
- return _ERROR_BADPERMISSIONS;
- umask($oldumask);
- }
-
- // if dir still not exists, the action is disallowed
- if (!@is_dir($mediadir))
- return _ERROR_DISALLOWED;
-
- if (!is_writeable($mediadir))
- return _ERROR_BADPERMISSIONS;
-
- // add trailing slash (don't add it earlier since it causes mkdir to fail on some systems)
- $mediadir .= '/';
-
- if (file_exists($mediadir . $filename))
- return _ERROR_UPLOADDUPLICATE;
-
- // move file to directory
- if (is_uploaded_file($uploadfile)) {
- if (!@move_uploaded_file($uploadfile, $mediadir . $filename))
- return _ERROR_UPLOADMOVEP;
- } else {
- if (!copy($uploadfile, $mediadir . $filename))
- return _ERROR_UPLOADCOPY ;
- }
-
- // chmod uploaded file
- $oldumask = umask(0000);
- @chmod($mediadir . $filename, 0644);
- umask($oldumask);
-
- $manager->notify('PostMediaUpload',array('collection' => $collection, 'mediadir' => $mediadir, 'filename' => $filename));
-
- return '';
-
- }
-
- /**
- * Adds an uploaded file to the media dir.
- *
- * @param $collection
- * collection to use
- * @param $filename
- * the filename that should be used to save the file as
- * (date prefix should be already added here)
- * @param &$data
- * File data (binary)
- *
- * NOTE: does not check if $collection is valid.
- */
- function addMediaObjectRaw($collection, $filename, &$data) {
- global $DIR_MEDIA;
-
- // check dir permissions (try to create dir if it does not exist)
- $mediadir = $DIR_MEDIA . $collection;
-
- // try to create new private media directories if needed
- if (!@is_dir($mediadir) && is_numeric($collection)) {
- $oldumask = umask(0000);
- if (!@mkdir($mediadir, 0777))
- return _ERROR_BADPERMISSIONS;
- umask($oldumask);
- }
-
- // if dir still not exists, the action is disallowed
- if (!@is_dir($mediadir))
- return _ERROR_DISALLOWED;
-
- if (!is_writeable($mediadir))
- return _ERROR_BADPERMISSIONS;
-
- // add trailing slash (don't add it earlier since it causes mkdir to fail on some systems)
- $mediadir .= '/';
-
- if (file_exists($mediadir . $filename))
- return _ERROR_UPLOADDUPLICATE;
-
- // create file
- $fh = @fopen($mediadir . $filename, 'wb');
- if (!$fh)
- return _ERROR_UPLOADFAILED;
- $ok = @fwrite($fh, $data);
- @fclose($fh);
- if (!$ok)
- return _ERROR_UPLOADFAILED;
-
- // chmod uploaded file
- $oldumask = umask(0000);
- @chmod($mediadir . $filename, 0644);
- umask($oldumask);
-
- return '';
-
- }
-
-}
-
-/**
- * Represents the characteristics of one single media-object
- *
- * Description of properties:
- * - filename: filename, without paths
- * - timestamp: last modification (unix timestamp)
- * - collection: collection to which the file belongs (can also be a owner ID, for private collections)
- * - private: true if the media belongs to a private member collection
- */
-class MEDIAOBJECT {
-
- var $private;
- var $collection;
- var $filename;
- var $timestamp;
-
- function MEDIAOBJECT($collection, $filename, $timestamp) {
- $this->private = is_numeric($collection);
- $this->collection = $collection;
- $this->filename = $filename;
- $this->timestamp = $timestamp;
- }
-
-}
-
-/**
- * User-defined sort method to sort an array of MEDIAOBJECTS
- */
-function sort_media($a, $b) {
- if ($a->timestamp == $b->timestamp) return 0;
- return ($a->timestamp > $b->timestamp) ? -1 : 1;
-}
-
-?>
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