forked from GNUsocial/gnu-social
324 lines
11 KiB
PHP
324 lines
11 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2011, StatusNet, Inc.
|
|
*
|
|
* Offline backup queue handler
|
|
*
|
|
* 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 Offline backup
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2011 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);
|
|
}
|
|
|
|
/**
|
|
* Offline backup queue handler
|
|
*
|
|
* @category General
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @copyright 2011 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
class OfflineBackupQueueHandler extends QueueHandler
|
|
{
|
|
public function transport()
|
|
{
|
|
return 'backoff';
|
|
}
|
|
|
|
public function handle($object): bool
|
|
{
|
|
$userId = $object;
|
|
|
|
$user = User::getKV($userId);
|
|
|
|
common_log(LOG_INFO, "Making backup file for user ".$user->nickname);
|
|
|
|
$fileName = $this->makeBackupFile($user);
|
|
|
|
common_log(LOG_INFO, "Notifying user ".$user->nickname . " of their new backup file.");
|
|
|
|
$this->notifyBackupFile($user, $fileName);
|
|
|
|
return true;
|
|
}
|
|
|
|
public function makeBackupFile($user)
|
|
{
|
|
// XXX: this is pretty lose-y; try another way
|
|
|
|
$tmpdir = sys_get_temp_dir() . '/offline-backup/' . $user->nickname . '/' . common_date_iso8601(common_sql_now());
|
|
|
|
common_log(LOG_INFO, 'Writing backup data to ' . $tmpdir . ' for ' . $user->nickname);
|
|
|
|
mkdir($tmpdir, 0700, true);
|
|
|
|
$this->dumpNotices($user, $tmpdir);
|
|
$this->dumpFaves($user, $tmpdir);
|
|
$this->dumpSubscriptions($user, $tmpdir);
|
|
$this->dumpSubscribers($user, $tmpdir);
|
|
$this->dumpGroups($user, $tmpdir);
|
|
|
|
$fileName = File::filename($user->getProfile(), "backup", "application/atom+xml");
|
|
$fullPath = File::path($fileName);
|
|
|
|
$this->makeActivityFeed($user, $tmpdir, $fullPath);
|
|
|
|
$this->delTree($tmpdir);
|
|
|
|
return $fileName;
|
|
}
|
|
|
|
public function notifyBackupFile($user, $fileName)
|
|
{
|
|
$fileUrl = File::url($fileName);
|
|
|
|
$body = sprintf(
|
|
_m(
|
|
"The backup file you requested is ready for download.\n\n".
|
|
"%s\n".
|
|
"Thanks for your time,\n",
|
|
"%s\n"
|
|
),
|
|
$fileUrl,
|
|
common_config('site', 'name')
|
|
);
|
|
|
|
$headers = _mail_prepare_headers('offlinebackup', $user->nickname, $user->nickname);
|
|
|
|
mail_to_user($user, _('Backup file ready for download'), $body, $headers);
|
|
}
|
|
|
|
public function dumpNotices($user, $dir)
|
|
{
|
|
common_log(LOG_INFO, 'dumping notices by ' . $user->nickname . ' to directory ' . $dir);
|
|
|
|
$profile = $user->getProfile();
|
|
|
|
$stream = new ProfileNoticeStream($profile, $profile);
|
|
|
|
$page = 1;
|
|
|
|
do {
|
|
$notice = $stream->getNotices(($page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);
|
|
|
|
while ($notice->fetch()) {
|
|
try {
|
|
$fname = $dir . '/'. common_date_iso8601($notice->created) . '-notice-' . $notice->id . '.atom';
|
|
$data = $notice->asAtomEntry(false, false, false, null);
|
|
common_log(LOG_INFO, 'dumping notice ' . $notice->id . ' to file ' . $fname);
|
|
file_put_contents($fname, $data);
|
|
$data = null;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Error backing up notice " . $notice->id . ": " . $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$page++;
|
|
} while ($notice->N > NOTICES_PER_PAGE);
|
|
}
|
|
|
|
public function dumpFaves($user, $dir)
|
|
{
|
|
common_log(LOG_INFO, 'dumping faves by ' . $user->nickname . ' to directory ' . $dir);
|
|
|
|
$page = 1;
|
|
|
|
do {
|
|
$fave = Fave::byProfile($user->id, ($page-1)*NOTICES_PER_PAGE, NOTICES_PER_PAGE + 1);
|
|
|
|
while ($fave->fetch()) {
|
|
try {
|
|
$fname = $dir . '/'. common_date_iso8601($fave->modified) . '-fave-' . $fave->notice_id . '.atom';
|
|
$act = $fave->asActivity();
|
|
$data = $act->asString(false, false, false);
|
|
common_log(LOG_INFO, 'dumping fave of ' . $fave->notice_id . ' to file ' . $fname);
|
|
file_put_contents($fname, $data);
|
|
$data = null;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Error backing up fave of " . $fave->notice_id . ": " . $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$page++;
|
|
} while ($fave->N > NOTICES_PER_PAGE);
|
|
}
|
|
|
|
public function dumpSubscriptions($user, $dir)
|
|
{
|
|
common_log(LOG_INFO, 'dumping subscriptions by ' . $user->nickname . ' to directory ' . $dir);
|
|
|
|
$page = 1;
|
|
|
|
do {
|
|
$sub = Subscription::bySubscriber($user->id, ($page-1)*PROFILES_PER_PAGE, PROFILES_PER_PAGE + 1);
|
|
|
|
while ($sub->fetch()) {
|
|
try {
|
|
if ($sub->subscribed == $user->id) {
|
|
continue;
|
|
}
|
|
$fname = $dir . '/'. common_date_iso8601($sub->created) . '-subscription-' . $sub->subscribed . '.atom';
|
|
$act = $sub->asActivity();
|
|
$data = $act->asString(false, false, false);
|
|
common_log(LOG_INFO, 'dumping sub of ' . $sub->subscribed . ' to file ' . $fname);
|
|
file_put_contents($fname, $data);
|
|
$data = null;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Error backing up subscription to " . $sub->subscribed . ": " . $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$page++;
|
|
} while ($sub->N > PROFILES_PER_PAGE);
|
|
}
|
|
|
|
public function dumpSubscribers($user, $dir)
|
|
{
|
|
common_log(LOG_INFO, 'dumping subscribers to ' . $user->nickname . ' to directory ' . $dir);
|
|
|
|
$page = 1;
|
|
|
|
do {
|
|
$sub = Subscription::bySubscribed($user->id, ($page-1)*PROFILES_PER_PAGE, PROFILES_PER_PAGE + 1);
|
|
|
|
while ($sub->fetch()) {
|
|
try {
|
|
if ($sub->subscriber == $user->id) {
|
|
continue;
|
|
}
|
|
$fname = $dir . '/'. common_date_iso8601($sub->created) . '-subscriber-' . $sub->subscriber . '.atom';
|
|
$act = $sub->asActivity();
|
|
$data = $act->asString(false, true, false);
|
|
common_log(LOG_INFO, 'dumping sub by ' . $sub->subscriber . ' to file ' . $fname);
|
|
file_put_contents($fname, $data);
|
|
$data = null;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Error backing up subscription from " . $sub->subscriber . ": " . $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$page++;
|
|
} while ($sub->N > PROFILES_PER_PAGE);
|
|
}
|
|
|
|
public function dumpGroups($user, $dir)
|
|
{
|
|
common_log(LOG_INFO, 'dumping memberships of ' . $user->nickname . ' to directory ' . $dir);
|
|
|
|
$page = 1;
|
|
|
|
do {
|
|
$mem = Group_member::byMember($user->id, ($page-1)*GROUPS_PER_PAGE, GROUPS_PER_PAGE + 1);
|
|
|
|
while ($mem->fetch()) {
|
|
try {
|
|
$fname = $dir . '/'. common_date_iso8601($mem->created) . '-membership-' . $mem->group_id . '.atom';
|
|
$act = $mem->asActivity();
|
|
$data = $act->asString(false, false, false);
|
|
common_log(LOG_INFO, 'dumping membership in ' . $mem->group_id . ' to file ' . $fname);
|
|
file_put_contents($fname, $data);
|
|
$data = null;
|
|
} catch (Exception $e) {
|
|
common_log(LOG_ERR, "Error backing up membership in " . $mem->group_id . ": " . $e->getMessage());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
$page++;
|
|
} while ($mem->N > GROUPS_PER_PAGE);
|
|
}
|
|
|
|
public function makeActivityFeed($user, $tmpdir, $fullPath)
|
|
{
|
|
$handle = fopen($fullPath, 'c');
|
|
|
|
$this->writeFeedHeader($user, $handle);
|
|
|
|
$objects = scandir($tmpdir);
|
|
|
|
rsort($objects);
|
|
|
|
foreach ($objects as $object) {
|
|
$objFull = $tmpdir . '/' . $object;
|
|
if (!is_dir($objFull)) {
|
|
$entry = file_get_contents($objFull);
|
|
fwrite($handle, $entry);
|
|
$entry = null;
|
|
}
|
|
}
|
|
|
|
$this->writeFeedFooter($user, $handle);
|
|
fclose($handle);
|
|
}
|
|
|
|
public function writeFeedHeader($user, $handle)
|
|
{
|
|
fwrite($handle, '<?xml version="1.0" encoding="UTF-8"?>');
|
|
fwrite($handle, "\n");
|
|
fwrite($handle, '<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:georss="http://www.georss.org/georss" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:media="http://purl.org/syndication/atommedia" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:statusnet="http://status.net/schema/api/1/">');
|
|
fwrite($handle, "\n");
|
|
|
|
$profile = $user->getProfile();
|
|
|
|
$author = $profile->asActivityObject();
|
|
|
|
$xs = new XMLStringer();
|
|
$author->outputTo($xs, 'author');
|
|
fwrite($handle, $xs->getString());
|
|
fwrite($handle, "\n");
|
|
}
|
|
|
|
public function writeFeedFooter($user, $handle)
|
|
{
|
|
fwrite($handle, '</feed>');
|
|
}
|
|
|
|
public function delTree($dir)
|
|
{
|
|
if (is_dir($dir)) {
|
|
$objects = scandir($dir);
|
|
foreach ($objects as $object) {
|
|
if ($object != "." && $object != "..") {
|
|
if (filetype($dir."/".$object) == "dir") {
|
|
$this->delTree($dir."/".$object);
|
|
} else {
|
|
unlink($dir."/".$object);
|
|
}
|
|
}
|
|
}
|
|
reset($objects);
|
|
rmdir($dir);
|
|
}
|
|
}
|
|
}
|