377 lines
13 KiB
PHP
377 lines
13 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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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
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Core;
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use Friendica\App;
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use Friendica\App\Mode;
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use Friendica\Database\DBA;
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use Friendica\Database\DBStructure;
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use Friendica\DI;
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use Friendica\Network\HTTPException\InternalServerErrorException;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Strings;
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class Update
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{
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const SUCCESS = 0;
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const FAILED = 1;
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/**
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* Function to check if the Database structure needs an update.
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*
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* @param string $basePath The base path of this application
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* @param boolean $via_worker Is the check run via the worker?
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* @param App\Mode $mode The current app mode
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*
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function check(string $basePath, bool $via_worker, App\Mode $mode)
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{
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if (!DBA::connected()) {
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return;
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}
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// Don't check the status if the last update was failed
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if (DI::config()->get('system', 'update', Update::SUCCESS, true) == Update::FAILED) {
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return;
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}
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$build = DI::config()->get('system', 'build');
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if (empty($build)) {
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DI::config()->set('system', 'build', DB_UPDATE_VERSION - 1);
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$build = DB_UPDATE_VERSION - 1;
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}
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// We don't support upgrading from very old versions anymore
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if ($build < NEW_TABLE_STRUCTURE_VERSION) {
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$error = DI::l10n()->t('Updates from version %s are not supported. Please update at least to version 2021.01 and wait until the postupdate finished version 1383.', $build);
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if (DI::mode()->getExecutor() == Mode::INDEX) {
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die($error);
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} else {
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throw new InternalServerErrorException($error);
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}
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}
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// The postupdate has to completed version 1288 for the new post views to take over
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$postupdate = DI::config()->get("system", "post_update_version", NEW_TABLE_STRUCTURE_VERSION);
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if ($postupdate < NEW_TABLE_STRUCTURE_VERSION) {
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$error = DI::l10n()->t('Updates from postupdate version %s are not supported. Please update at least to version 2021.01 and wait until the postupdate finished version 1383.', $postupdate);
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if (DI::mode()->getExecutor() == Mode::INDEX) {
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die($error);
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} else {
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throw new InternalServerErrorException($error);
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}
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}
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if ($build < DB_UPDATE_VERSION) {
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if ($via_worker) {
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// Calling the database update directly via the worker enables us to perform database changes to the workerqueue table itself.
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// This is a fallback, since normally the database update will be performed by a worker job.
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// This worker job doesn't work for changes to the "workerqueue" table itself.
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self::run($basePath);
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} else {
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Worker::add(PRIORITY_CRITICAL, 'DBUpdate');
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}
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}
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}
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/**
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* Automatic database updates
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*
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* @param string $basePath The base path of this application
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* @param bool $force Force the Update-Check even if the database version doesn't match
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* @param bool $override Overrides any running/stuck updates
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* @param bool $verbose Run the Update-Check verbose
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* @param bool $sendMail Sends a Mail to the administrator in case of success/failure
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*
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* @return string Empty string if the update is successful, error messages otherwise
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function run(string $basePath, bool $force = false, bool $override = false, bool $verbose = false, bool $sendMail = true)
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{
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// In force mode, we release the dbupdate lock first
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// Necessary in case of an stuck update
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if ($override) {
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DI::lock()->release('dbupdate', true);
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}
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$build = DI::config()->get('system', 'build', null, true);
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if (empty($build) || ($build > DB_UPDATE_VERSION)) {
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$build = DB_UPDATE_VERSION - 1;
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DI::config()->set('system', 'build', $build);
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}
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if ($build != DB_UPDATE_VERSION || $force) {
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require_once 'update.php';
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$stored = intval($build);
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$current = intval(DB_UPDATE_VERSION);
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if ($stored < $current || $force) {
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DI::config()->load('database');
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// Compare the current structure with the defined structure
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// If the Lock is acquired, never release it automatically to avoid double updates
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if (DI::lock()->acquire('dbupdate', 0, Cache\Duration::INFINITE)) {
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Logger::notice('Update starting.', ['from' => $stored, 'to' => $current]);
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// Checks if the build changed during Lock acquiring (so no double update occurs)
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$retryBuild = DI::config()->get('system', 'build', null, true);
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if ($retryBuild !== $build) {
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Logger::notice('Update already done.', ['from' => $stored, 'to' => $current]);
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DI::lock()->release('dbupdate');
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return '';
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}
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DI::config()->set('system', 'maintenance', 1);
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// run the pre_update_nnnn functions in update.php
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for ($version = $stored + 1; $version <= $current; $version++) {
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Logger::notice('Execute pre update.', ['version' => $version]);
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DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: executing pre update %d',
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DateTimeFormat::utcNow() . ' ' . date('e'), $version));
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$r = self::runUpdateFunction($version, 'pre_update', $sendMail);
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if (!$r) {
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Logger::warning('Pre update failed', ['version' => $version]);
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DI::config()->set('system', 'update', Update::FAILED);
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DI::lock()->release('dbupdate');
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DI::config()->set('system', 'maintenance', 0);
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DI::config()->set('system', 'maintenance_reason', '');
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return $r;
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} else {
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Logger::notice('Pre update executed.', ['version' => $version]);
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}
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}
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// update the structure in one call
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Logger::notice('Execute structure update');
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$retval = DBStructure::performUpdate(false, $verbose);
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if (!empty($retval)) {
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if ($sendMail) {
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self::updateFailed(
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DB_UPDATE_VERSION,
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$retval
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);
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}
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Logger::error('Update ERROR.', ['from' => $stored, 'to' => $current, 'retval' => $retval]);
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DI::config()->set('system', 'update', Update::FAILED);
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DI::lock()->release('dbupdate');
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DI::config()->set('system', 'maintenance', 0);
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DI::config()->set('system', 'maintenance_reason', '');
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return $retval;
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} else {
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Logger::notice('Database structure update finished.', ['from' => $stored, 'to' => $current]);
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}
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// run the update_nnnn functions in update.php
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for ($version = $stored + 1; $version <= $current; $version++) {
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Logger::notice('Execute post update.', ['version' => $version]);
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DI::config()->set('system', 'maintenance_reason', DI::l10n()->t('%s: executing post update %d',
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DateTimeFormat::utcNow() . ' ' . date('e'), $version));
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$r = self::runUpdateFunction($version, 'update', $sendMail);
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if (!$r) {
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Logger::warning('Post update failed', ['version' => $version]);
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DI::config()->set('system', 'update', Update::FAILED);
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DI::lock()->release('dbupdate');
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DI::config()->set('system', 'maintenance', 0);
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DI::config()->set('system', 'maintenance_reason', '');
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return $r;
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} else {
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DI::config()->set('system', 'build', $version);
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Logger::notice('Post update executed.', ['version' => $version]);
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}
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}
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DI::config()->set('system', 'build', $current);
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DI::config()->set('system', 'update', Update::SUCCESS);
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DI::lock()->release('dbupdate');
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DI::config()->set('system', 'maintenance', 0);
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DI::config()->set('system', 'maintenance_reason', '');
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Logger::notice('Update success.', ['from' => $stored, 'to' => $current]);
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if ($sendMail) {
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self::updateSuccessful($stored, $current);
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}
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} else {
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Logger::warning('Update lock could not be acquired');
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}
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}
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}
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return '';
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}
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/**
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* Executes a specific update function
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*
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* @param int $version the DB version number of the function
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* @param string $prefix the prefix of the function (update, pre_update)
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* @param bool $sendMail whether to send emails on success/failure
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* @return bool true, if the update function worked
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function runUpdateFunction(int $version, string $prefix, bool $sendMail = true)
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{
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$funcname = $prefix . '_' . $version;
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Logger::notice('Update function start.', ['function' => $funcname]);
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if (function_exists($funcname)) {
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// There could be a lot of processes running or about to run.
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// We want exactly one process to run the update command.
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// So store the fact that we're taking responsibility
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// after first checking to see if somebody else already has.
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// If the update fails or times-out completely you may need to
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// delete the config entry to try again.
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if (DI::lock()->acquire('dbupdate_function', 120, Cache\Duration::INFINITE)) {
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// call the specific update
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Logger::notice('Pre update function start.', ['function' => $funcname]);
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$retval = $funcname();
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Logger::notice('Update function done.', ['function' => $funcname]);
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if ($retval) {
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if ($sendMail) {
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//send the administrator an e-mail
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self::updateFailed(
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$version,
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DI::l10n()->t('Update %s failed. See error logs.', $version)
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);
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}
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Logger::error('Update function ERROR.', ['function' => $funcname, 'retval' => $retval]);
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DI::lock()->release('dbupdate_function');
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return false;
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} else {
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DI::lock()->release('dbupdate_function');
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Logger::notice('Update function finished.', ['function' => $funcname]);
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return true;
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}
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} else {
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Logger::error('Locking failed.', ['function' => $funcname]);
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return false;
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}
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} else {
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Logger::notice('Update function skipped.', ['function' => $funcname]);
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return true;
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}
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}
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/**
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* send the email and do what is needed to do on update fails
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*
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* @param int $update_id number of failed update
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* @param string $error_message error message
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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private static function updateFailed(int $update_id, string $error_message) {
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//send the administrators an e-mail
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$condition = ['email' => explode(',', str_replace(' ', '', DI::config()->get('config', 'admin_email'))), 'parent-uid' => 0];
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$adminlist = DBA::select('user', ['uid', 'language', 'email'], $condition, ['order' => ['uid']]);
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// No valid result?
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if (!DBA::isResult($adminlist)) {
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Logger::warning('Cannot notify administrators .', ['update' => $update_id, 'message' => $error_message]);
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// Don't continue
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return;
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}
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$sent = [];
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// every admin could had different language
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while ($admin = DBA::fetch($adminlist)) {
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if (in_array($admin['email'], $sent)) {
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continue;
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}
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$sent[] = $admin['email'];
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$lang = $admin['language'] ?? 'en';
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$l10n = DI::l10n()->withLang($lang);
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$preamble = Strings::deindent($l10n->t("
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The friendica developers released update %s recently,
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but when I tried to install it, something went terribly wrong.
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This needs to be fixed soon and I can't do it alone. Please contact a
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friendica developer if you can not help me on your own. My database might be invalid.",
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$update_id));
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$body = $l10n->t('The error message is\n[pre]%s[/pre]', $error_message);
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$email = DI::emailer()
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->newSystemMail()
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->withMessage($l10n->t('[Friendica Notify] Database update'), $preamble, $body)
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->forUser($admin)
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->withRecipient($admin['email'])
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->build();
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DI::emailer()->send($email);
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}
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Logger::alert('Database structure update failed.', ['error' => $error_message]);
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}
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/**
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* Send a mail to the administrator about the successful update
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*
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* @param integer $from_build
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* @param integer $to_build
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* @return void
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*/
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private static function updateSuccessful(int $from_build, int $to_build)
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{
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//send the administrators an e-mail
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$condition = ['email' => explode(',', str_replace(' ', '', DI::config()->get('config', 'admin_email'))), 'parent-uid' => 0];
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$adminlist = DBA::select('user', ['uid', 'language', 'email'], $condition, ['order' => ['uid']]);
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if (DBA::isResult($adminlist)) {
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$sent = [];
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// every admin could had different language
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while ($admin = DBA::fetch($adminlist)) {
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if (in_array($admin['email'], $sent)) {
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continue;
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}
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$sent[] = $admin['email'];
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$lang = (($admin['language']) ? $admin['language'] : 'en');
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$l10n = DI::l10n()->withLang($lang);
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$preamble = Strings::deindent($l10n->t('
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The friendica database was successfully updated from %s to %s.',
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$from_build, $to_build));
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$email = DI::emailer()
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->newSystemMail()
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->withMessage($l10n->t('[Friendica Notify] Database update'), $preamble)
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->forUser($admin)
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->withRecipient($admin['email'])
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->build();
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DI::emailer()->send($email);
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}
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}
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Logger::debug('Database structure update successful.');
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}
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}
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