<?php

/* ***** BEGIN LICENSE BLOCK *****

 * Version: MPL 1.1/GPL 2.0/LGPL 2.1

 *

 * The contents of this file are subject to the Mozilla Public License Version

 * 1.1 (the "License"); you may not use this file except in compliance with

 * the License. You may obtain a copy of the License at

 * http://www.mozilla.org/MPL/

 *

 * Software distributed under the License is distributed on an "AS IS" basis,

 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

 * for the specific language governing rights and limitations under the

 * License.

 *

 * The Original Code is addons.mozilla.org site.

 *

 * The Initial Developer of the Original Code is

 * The Mozilla Foundation.

 * Portions created by the Initial Developer are Copyright (C) 2006

 * the Initial Developer. All Rights Reserved.

 *

 * Contributor(s):

 *   Andrei Hajdukewycz <sancus@off.net> (Original Author)

 *   Justin Scott <fligtar@gmail.com>

 *   Frederic Wenzel <fwenzel@mozilla.com>

 *

 * Alternatively, the contents of this file may be used under the terms of

 * either the GNU General Public License Version 2 or later (the "GPL"), or

 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),

 * in which case the provisions of the GPL or the LGPL are applicable instead

 * of those above. If you wish to allow use of your version of this file only

 * under the terms of either the GPL or the LGPL, and not to allow others to

 * use your version of this file under the terms of the MPL, indicate your

 * decision by deleting the provisions above and replace them with the notice

 * and other provisions required by the GPL or the LGPL. If you do not delete

 * the provisions above, a recipient may use your version of this file under

 * the terms of any one of the MPL, the GPL or the LGPL.

 *

 * ***** END LICENSE BLOCK ***** */

class DownloadsController extends AppController

{

    var $name = 'Downloads';

    var $beforeFilter = array('getNamedArgs', '_checkSandbox');

    var $uses = array('Addon', 'File', 'Translation');

    var $components = array('Amo', 'Session');

    var $namedArgs = true;

    var $securityLevel = 'low';

    function beforeFilter() {

        // Disable ACLs because this controller is entirely public.

        $this->SimpleAuth->enabled = false;

        $this->SimpleAcl->enabled = false;

    }

    function file($id = null, $type = 'xpi') {

        if (empty($this->namedArgs['update']))

            $this->namedArgs['update'] = null;

        $this->Amo->clean($id);

        $this->layout=null;

        if (!$id || !is_numeric($id)) {

            $this->flash(sprintf(___('Missing argument: %s'), 'file_id'), '/', 3);

            return;

        }

        $file_data = $this->File->FindbyId($id);

        if (!empty($file_data)) {

            $this->Addon->unbindFully();

            $addon_data = $this->Addon->FindbyId($file_data['Version']['addon_id']);

            $file_loc = REPO_PATH . '/' . $file_data['Version']['addon_id'] . '/' . $file_data['File']['filename'];

            // If add-on is in sandbox, make sure sandbox is enabled. If disabled, make sure admin or author.

            // If _GET['confirmed'] exists, then a user confirmed a sandbox download via JS, bug 441739

            if (($addon_data['Addon']['status'] == STATUS_SANDBOX ||

                 $addon_data['Addon']['status'] == STATUS_NOMINATED ||

                 $file_data['File']['status'] == STATUS_PENDING)

                 && !$this->Session->check('User') && !isset($_GET['confirmed'])) {

                $target_url = str_replace(LANG . '/' . APP_SHORTNAME . '/','',$this->params['url']['url']);

                $this->redirect('/users/login?to=' . urlencode($target_url) . "&m=1");

                return;

            } elseif ($addon_data['Addon']['status'] == STATUS_DISABLED &&

                !$this->Amo->checkOwnership($addon_data['Addon']['id'])) {

                $this->flash(___('This add-on is disabled'), '/', 3);

                return;

            }

        } else {

            $this->flash(___('Add-on not found!'), '/', 3);

            return;

        }

        if (file_exists($file_loc))

            $this->set('fileLoc', $file_loc);    

        else {

            $this->flash(___('Add-on not found!'), '/', 3);

            return;

        }

            $forceLocal = false;

            $this->set('attachment', false);

        $this->set('fileName', $file_data['File']['filename']);

        if (!DEV && !$forceLocal && $addon_data['Addon']['status'] != STATUS_DISABLED

            && $file_data['File']['status'] != STATUS_DISABLED

            && (strtotime($file_data['File']['datestatuschanged']) <= strtotime('-'.MIRROR_DELAY.' minutes'))) {

            // serve file from releases mirror only if we are not in dev mode

            // and if the file is public and sufficient time has passed to allow

            // its propagation to the mirror system

            $this->forceCache();

            $this->redirect(FILES_HOST . '/' . $addon_data['Addon']['id'] . '/' . $file_data['File']['filename']);

            return;    

        } else {

            // serve file locally

            $this->disableCache();

            $this->render('file');

        }

    }

    /**

     * Retrieves public file for latest version of an add-on, regardless of compatibility

     * Example URL: /downloads/latest/1865/type:attachment/platform:5/

     * @param int $addon_id the add-on id

     */

    function latest($addon_id) {

        $platform_id = (!empty($this->namedArgs['platform']) && is_numeric($this->namedArgs['platform'])) ? $this->namedArgs['platform'] : null;

        $type = !empty($this->namedArgs['type']) ? $this->namedArgs['type'] : 'xpi';

        // Get the id of the latest public file

        $file_id = $this->File->getLatestFileByAddonId($addon_id, $platform_id);

        $file_data = $this->File->findById($file_id);

        if (!empty($file_id)) {

            // Use normal download method if file is found

            $target = "/downloads/file/{$file_id}/{$type}/{$file_data['File']['filename']}";

            if (count($this->params['url']) > 1) { // re-append query string

                $getvars = array();

                foreach ($this->params['url'] as $k => $v) {

                    if ($k == 'url') continue;

                    $getvars[] = "$k=$v";

                }

                $qs = implode(',', $getvars);

                $target .= "?$qs";

            }

            $this->redirect($target);

        }

        else {

            // File wasn't found

            $this->flash(___('Add-on not found!'), '/', 3);

        }

    }

}   

?>