jidaikobo-shibata/a11yc

<?php
/**
 * A11yc\File
 *
 * @package    part of A11yc
 * @author     Jidaikobo Inc.
 * @license    The MIT License (MIT)
 * @copyright  Jidaikobo Inc.
 * @link       http://www.jidaikobo.com
 */
namespace A11yc;

class File
{
    /**
     * upload img
     *
     * @param String $target_path
     * @param Integer|String $id
     * @param String $old_path
     * @return Bool|String
     */
    public static function uploadImg($target_path, $id = '', $old_path = '')
    {
        $file = Input::file('file');
        if (empty($file['name'])) return $old_path;

        // mkdir
        $upload_path = A11YC_UPLOAD_PATH.'/'.Model\Data::groupId().'/'.$target_path.'/'.$id;
        $upload_path = empty($id) ? rtrim($upload_path, '/') : $upload_path;

        // at least 3 times
        if ( ! file_exists(dirname(dirname($upload_path)))) mkdir(dirname(dirname($upload_path)));
        if ( ! file_exists(dirname($upload_path))) mkdir(dirname($upload_path));
        if ( ! file_exists($upload_path)) mkdir($upload_path);

        // unlink
        if ( ! empty($old_path) && file_exists($upload_path.'/'.$old_path)) unlink($upload_path.'/'.$old_path);

        // prepare
        require(A11YC_LIB_PATH.'/Upload/Autoloader.php');
        \Upload\Autoloader::register();
        $storage = new \Upload\Storage\FileSystem($upload_path);
        $file = new \Upload\File('file', $storage);

        // set unique name
        $new_filename = uniqid();
        $file->setName($new_filename);

        // validate
        $file->addValidations(array(
                new \Upload\Validation\Mimetype(array('image/png', 'image/gif', 'image/jpg', 'image/jpeg')),
                new \Upload\Validation\Size('5M')
            ));

        // upload
        try
        {
            $file->upload();
        }
        catch (\Exception $e)
        {
            $errors = $file->getErrors();
            return empty($errors);
        }

        return $file->getNameWithExtension();

        // $mess_type = $r ? 'messages' : 'errors';
        // $mess_str  = $r ?
        //                      sprintf(A11YC_LANG_CTRL_PURGE_DONE, 'id: '.$id) :
        //                      sprintf(A11YC_LANG_CTRL_PURGE_FAILED, 'id: '.$id);
        // Session::add('messages', $mess_type, $mess_str);
    }

    /**
     * download
     *
     * @param String $filename
     * @param String $text
     * @return Void
     */
    public static function download($filename, $text)
    {
        // export
        $filepath = sys_get_temp_dir().$filename;
        file_put_contents($filepath, $text);

        header("HTTP/1.1 200 OK");
        header('Content-Type: application/octet-stream');
        header('Content-Length: '.filesize($filepath));
        header('Content-Transfer-Encoding: binary');
        header('Content-Disposition: attachment; filename='.$filename);

        ob_start();
        readfile($filepath);

        $levels = ob_get_level();

        $final = '';
        for ($i = 0; $i < $levels; $i++)
        {
            $final .= ob_get_clean();
        }
        echo $final;

        exit();
    }
}