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Commit 573bbece authored by Evan Prodromou's avatar Evan Prodromou

action to restore a user's backup from the Web interface

parent 1d6091ca
......@@ -472,6 +472,13 @@ class ProfilesettingsAction extends AccountSettingsAction
_('Delete account'));
$this->elementEnd('li');
}
if ($user->hasRight(Right::RESTOREACCOUNT)) {
$this->elementStart('li');
$this->element('a',
array('href' => common_local_url('restoreaccount')),
_('Restore account'));
$this->elementEnd('li');
}
$this->elementEnd('div');
}
}
<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* Restore a backup of your own account from the browser
*
* PHP version 5
*
* 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 Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Restore a backup of your own account from the browser
*
* @category Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class RestoreaccountAction extends Action
{
private $success = false;
/**
* Returns the title of the page
*
* @return string page title
*/
function title()
{
return _("Restore account");
}
/**
* For initializing members of the class.
*
* @param array $argarray misc. arguments
*
* @return boolean true
*/
function prepare($argarray)
{
parent::prepare($argarray);
$cur = common_current_user();
if (empty($cur)) {
throw new ClientException(_('Only logged-in users can restore their account.'), 403);
}
if (!$cur->hasRight(Right::RESTOREACCOUNT)) {
throw new ClientException(_('You may not restore your account.'), 403);
}
return true;
}
/**
* Handler method
*
* @param array $argarray is ignored since it's now passed in in prepare()
*
* @return void
*/
function handle($argarray=null)
{
parent::handle($args);
if ($this->isPost()) {
$this->restoreAccount();
} else {
$this->showPage();
}
return;
}
/**
* Queue a file for restoration
*
* Uses the UserActivityStream class; may take a long time!
*
* @return void
*/
function restoreAccount()
{
$this->checkSessionToken();
if (!isset($_FILES['restorefile']['error'])) {
throw new ClientException(_('No uploaded file.'));
}
switch ($_FILES['restorefile']['error']) {
case UPLOAD_ERR_OK: // success, jump out
break;
case UPLOAD_ERR_INI_SIZE:
// TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
throw new ClientException(_('The uploaded file exceeds the ' .
'upload_max_filesize directive in php.ini.'));
return;
case UPLOAD_ERR_FORM_SIZE:
throw new ClientException(
// TRANS: Client exception.
_('The uploaded file exceeds the MAX_FILE_SIZE directive' .
' that was specified in the HTML form.'));
return;
case UPLOAD_ERR_PARTIAL:
@unlink($_FILES['restorefile']['tmp_name']);
// TRANS: Client exception.
throw new ClientException(_('The uploaded file was only' .
' partially uploaded.'));
return;
case UPLOAD_ERR_NO_FILE:
// No file; probably just a non-AJAX submission.
return;
case UPLOAD_ERR_NO_TMP_DIR:
// TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
throw new ClientException(_('Missing a temporary folder.'));
return;
case UPLOAD_ERR_CANT_WRITE:
// TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
throw new ClientException(_('Failed to write file to disk.'));
return;
case UPLOAD_ERR_EXTENSION:
// TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
throw new ClientException(_('File upload stopped by extension.'));
return;
default:
common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
$_FILES['restorefile']['error']);
// TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
throw new ClientException(_('System error uploading file.'));
return;
}
$filename = $_FILES['restorefile']['tmp_name'];
try {
if (!file_exists($filename)) {
throw new ServerException("No such file '$filename'.");
}
if (!is_file($filename)) {
throw new ServerException("Not a regular file: '$filename'.");
}
if (!is_readable($filename)) {
throw new ServerException("File '$filename' not readable.");
}
common_debug(sprintf(_("Getting backup from file '%s'."), $filename));
$xml = file_get_contents($filename);
// This check is costly but we should probably give
// the user some info ahead of time.
$doc = DOMDocument::loadXML($xml);
$feed = $doc->documentElement;
if ($feed->namespaceURI != Activity::ATOM ||
$feed->localName != 'feed') {
throw new ClientException(_("Not an atom feed."));
}
// Enqueue for processing.
$qm = QueueManager::get();
$qm->enqueue(array(common_current_user(), $xml, false), 'feedimp');
$this->success = true;
$this->showPage();
} catch (Exception $e) {
// Delete the file and re-throw
@unlink($_FILES['restorefile']['tmp_name']);
throw $e;
}
}
/**
* Show a little form so that the person can upload a file to restore
*
* @return void
*/
function showContent()
{
if ($this->success) {
$this->element('p', null,
_('Feed will be restored. Please wait a few minutes for results.'));
} else {
$form = new RestoreAccountForm($this);
$form->show();
}
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return false;
}
/**
* Return last modified, if applicable.
*
* MAY override
*
* @return string last modified http header
*/
function lastModified()
{
// For comparison with If-Last-Modified
// If not applicable, return null
return null;
}
/**
* Return etag, if applicable.
*
* MAY override
*
* @return string etag http header
*/
function etag()
{
return null;
}
}
/**
* A form for backing up the account.
*
* @category Account
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class RestoreAccountForm extends Form
{
function __construct($out=null) {
parent::__construct($out);
$this->enctype = 'multipart/form-data';
}
/**
* Class of the form.
*
* @return string the form's class
*/
function formClass()
{
return 'form_profile_restore';
}
/**
* URL the form posts to
*
* @return string the form's action URL
*/
function action()
{
return common_local_url('restoreaccount');
}
/**
* Output form data
*
* Really, just instructions for doing a backup.
*
* @return void
*/
function formData()
{
$this->out->elementStart('p', 'instructions');
$this->out->raw(_('You can upload a backed-up stream in '.
'<a href="http://activitystrea.ms/">Activity Streams</a> format.'));
$this->out->elementEnd('p');
$this->out->elementStart('ul', 'form_data');
$this->out->elementStart('li', array ('id' => 'settings_attach'));
$this->out->element('input', array('name' => 'restorefile',
'type' => 'file',
'id' => 'restorefile'));
$this->out->elementEnd('li');
$this->out->elementEnd('ul');
}
/**
* Buttons for the form
*
* In this case, a single submit button
*
* @return void
*/
function formActions()
{
$this->out->submit('submit',
_m('BUTTON', 'Upload'),
'submit',
null,
_('Upload the file'));
}
}
......@@ -201,6 +201,7 @@ class Router
'version',
'backupaccount',
'deleteaccount',
'restoreaccount',
);
foreach ($main as $a) {
......
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