105 lines
3.0 KiB
PHP
105 lines
3.0 KiB
PHP
<?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 $type = null;
|
|
|
|
function __construct($filename=null, $type=null)
|
|
{
|
|
$this->filename = $filename;
|
|
$this->type = $type;
|
|
}
|
|
|
|
static function fromUpload($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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
} |