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<?php
/**
* Copyright (c) STMicroelectronics, 2007. All Rights Reserved.
*
* Originally written by Mohamed CHAARI, 2007
*
* This file is a part of codendi.
*
* codendi 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.
*
* codendi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* $Id$
*/
/**
* A class to handle mails attachments storage
*
*/
class ForumML_FileStorage {
// Root directory to host mails attachments
var $root;
/**
* ForumML_FileStorage Constructor
*
* @param root: The ForumML attachments directory
*/
function __construct($root) {
$this->root = $root;
}
/**
* Store - stores attached files in the ForumML root dir
*
* @param filename: name of attached file
* @param content: content of attached file
* @param list: mailing-list name
* @param date: date of attachment in YYYY_MM_DD format
* @param encod: encoding of attachment
*
* @return int size of attached file
*/
function store($filename, $content, $list, $date, $encod="") {
$path = $this->_getPath($filename, $list, $date, "store");
$ret = file_put_contents($path, $content);
if ($ret !== false) {
return $path;
} else {
return false;
}
}
/**
* Store:
* +---------------------------------------------------------------------------------+
* | +-----------------------------------------+ |
* | | | |
* _|__ _______ _|__ | |
* name list_id date v v
* Attach.doc 7 2007_10_19 => foruuml_dir/<listname>/2007_10_19/Attach_doc
* | ^
* +---------------------------------------------+|
*
*
* Upload (to temporary location):
* +-----------------------------------------------------------------------+
* | |
* | |
* _|__ |
* name v
* Attach.doc => foruuml_dir/upload/Attach_doc
*
*/
/**
* _getPath - Get the absolute path where to Upload/Store attached file
*
* @param name: basename of attached file
* @param list: mailing-list name
* @param date: attachment date (YYYY_MM_DD)
* @param string type: upload/store
*
* @return string path
*/
function _getPath($name, $list, $date, $type) {
$name = trim($name);
if (trim($name) == '') {
$name = 'attachment';
} else {
$name = mb_convert_encoding($name, 'ascii', 'utf-8');
// restrict file name to 64 characters (maximum)
if (strlen($name) > 64) {
$name = substr($name, 0, 64);
}
$name = preg_replace('`[^a-z0-9_-]`i', '_', $name);
$name = preg_replace('`_{2,}`', '_', $name);
}
if ($type == "upload") {
$path_elements = array($this->root, $type);
} elseif ($type == "store") {
$path_elements = array($this->root, $list, $date);
}
$path = '';
foreach($path_elements as $elem) {
$path .= $elem .'/';
if (!is_dir($path)) {
mkdir($path, 0755);
}
}
// Ensure that same file doesn't exists yet
$ext = '';
$i = 1;
while($this->fileExists($path.$name.$ext)) {
$ext = '_'.$i;
$i++;
}
return $path.$name.$ext;
}
function fileExists($path) {
return is_file($path);
}
}
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