261 lines
6.0 KiB
PHP
261 lines
6.0 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Download a backup of your own account to the browser
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Account
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Download a backup of your own account to the browser
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*
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* We go through some hoops to make this only respond to POST, since
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* it's kind of expensive and there's probably some downside to having
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* your account in all kinds of search engines.
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*
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* @category Account
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class BackupaccountAction extends Action
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{
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/**
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* Returns the title of the page
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*
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* @return string page title
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*/
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function title()
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{
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return _("Backup account");
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}
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/**
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* For initializing members of the class.
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*
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* @param array $argarray misc. arguments
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*
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* @return boolean true
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*/
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function prepare($argarray)
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{
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parent::prepare($argarray);
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$cur = common_current_user();
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if (empty($cur)) {
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throw new ClientException(_('Only logged-in users can backup their account.'), 403);
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}
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if (!$cur->hasRight(Right::BACKUPACCOUNT)) {
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throw new ClientException(_('You may not backup your account.'), 403);
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}
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return true;
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}
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/**
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* Handler method
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*
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* @param array $argarray is ignored since it's now passed in in prepare()
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*
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* @return void
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*/
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function handle($argarray=null)
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{
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parent::handle($args);
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if ($this->isPost()) {
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$this->sendFeed();
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} else {
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$this->showPage();
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}
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return;
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}
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/**
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* Send a feed of the user's activities to the browser
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*
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* Uses the UserActivityStream class; may take a long time!
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*
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* @return void
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*/
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function sendFeed()
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{
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$cur = common_current_user();
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$stream = new UserActivityStream($cur);
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header('Content-Disposition: attachment; filename='.$cur->nickname.'.atom');
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header('Content-Type: application/atom+xml; charset=utf-8');
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$this->raw($stream->getString());
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}
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/**
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* Show a little form so that the person can request a backup.
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*
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* @return void
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*/
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function showContent()
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{
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$form = new BackupAccountForm($this);
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$form->show();
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}
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/**
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* Return true if read only.
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*
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* MAY override
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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return false;
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}
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/**
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* Return last modified, if applicable.
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*
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* MAY override
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*
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* @return string last modified http header
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*/
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function lastModified()
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{
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// For comparison with If-Last-Modified
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// If not applicable, return null
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return null;
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}
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/**
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* Return etag, if applicable.
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*
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* MAY override
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*
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* @return string etag http header
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*/
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function etag()
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{
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return null;
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}
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}
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/**
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* A form for backing up the account.
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*
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* @category Account
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class BackupAccountForm extends Form
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{
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/**
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* Class of the form.
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*
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* @return string the form's class
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*/
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function formClass()
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{
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return 'form_profile_backup';
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}
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/**
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* URL the form posts to
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*
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* @return string the form's action URL
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*/
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function action()
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{
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return common_local_url('backupaccount');
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}
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/**
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* Output form data
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*
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* Really, just instructions for doing a backup.
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*
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* @return void
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*/
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function formData()
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{
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$msg =
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_('You can backup your account data in '.
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'<a href="http://activitystrea.ms/">Activity Streams</a> '.
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'format. This is an experimental feature and provides an '.
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'incomplete backup; private account '.
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'information like email and IM addresses is not backed up. '.
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'Additionally, uploaded files and direct messages are not '.
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'backed up.');
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$this->out->elementStart('p');
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$this->out->raw($msg);
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$this->out->elementEnd('p');
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}
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/**
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* Buttons for the form
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*
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* In this case, a single submit button
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*
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* @return void
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*/
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function formActions()
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{
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$this->out->submit('submit',
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_m('BUTTON', 'Backup'),
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'submit',
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null,
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_('Backup your account'));
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}
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}
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