--- /dev/null
+<?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
+{
+ function transport()
+ {
+ return 'backoff';
+ }
+
+ function handle($object)
+ {
+ $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, $fileName);
+
+ return true;
+ }
+
+ function makeBackupFile($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 $fileName;
+ }
+
+ function notifyBackupFile($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, $headers);
+ }
+
+ function dumpNotices($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);
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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();
+
+ $author = ActivityObject::fromProfile($profile);
+
+ $xs = new XMLStringer();
+ $author->outputTo($xs, 'author');
+ fwrite($handle, $xs->getString());
+ fwrite($handle, "\n");
+ }
+
+ function writeFeedFooter($user, $handle)
+ {
+ fwrite($handle, '</feed>');
+ }
+
+ 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);
+ }
+ }
+}
projects / quix0rs-gnu-social.git / blobdiff