<?php /** * Laconica, the distributed open-source microblogging tool * * Abstraction for an image file * * PHP version 5 * * LICENCE: This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * @category Image * @package Laconica * @author Evan Prodromou <evan@controlyourself.ca> * @author Zach Copley <zach@controlyourself.ca> * @copyright 2008-2009 Control Yourself, Inc. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://laconi.ca/ */ if (!defined('LACONICA')) { exit(1); } /** * A wrapper on uploaded files * * Makes it slightly easier to accept an image file from upload. * * @category Image * @package Laconica * @author Evan Prodromou <evan@controlyourself.ca> * @author Zach Copley <zach@controlyourself.ca> * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 * @link http://laconi.ca/ */ class ImageFile { var $filename = null; var $barename = null; var $type = null; var $height = null; var $width = null; function __construct($filename=null, $type=null, $width=null, $height=null) { $this->filename = $filename; $this->type = $type; $this->width = $type; $this->height = $type; } static function fromUpload($param='upload') { switch ($_FILES[$param]['error']) { case UPLOAD_ERR_OK: // success, jump out break; case UPLOAD_ERR_INI_SIZE: case UPLOAD_ERR_FORM_SIZE: throw new Exception(_('That file is too big.')); return; case UPLOAD_ERR_PARTIAL: @unlink($_FILES[$param]['tmp_name']); throw new Exception(_('Partial upload.')); return; default: throw new Exception(_('System error uploading file.')); return; } $imagefile = new ImageFile($_FILES[$param]['tmp_name']); $info = @getimagesize($imagefile->filename); if (!$info) { @unlink($imagefile->filename); throw new Exception(_('Not an image or corrupt file.')); return; } $imagefile->width = $info[0]; $imagefile->height = $info[1]; switch ($info[2]) { case IMAGETYPE_GIF: case IMAGETYPE_JPEG: case IMAGETYPE_PNG: $imagefile->type = $info[2]; break; default: @unlink($imagefile->filename); throw new Exception(_('Unsupported image file format.')); return; } return $imagefile; } function unlink() { @unlink($this->filename); } }