<?php
+/**
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ *
+ */
namespace Friendica\Core;
+use Friendica\App;
+use Friendica\Database\DBA;
use Friendica\Database\DBStructure;
+use Friendica\DI;
+use Friendica\Util\Strings;
class Update
{
const FAILED = 1;
/**
- * @brief Function to check if the Database structure needs an update.
+ * Function to check if the Database structure needs an update.
*
- * @param boolean $via_worker boolean Is the check run via the worker?
+ * @param string $basePath The base path of this application
+ * @param boolean $via_worker Is the check run via the worker?
+ * @param App\Mode $mode The current app mode
+ *
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function check($via_worker)
+ public static function check($basePath, $via_worker, App\Mode $mode)
{
- $build = Config::get('system', 'build');
+ if (!DBA::connected()) {
+ return;
+ }
+
+ // Don't check the status if the last update was failed
+ if (DI::config()->get('system', 'update', Update::SUCCESS, true) == Update::FAILED) {
+ return;
+ }
+
+ $build = DI::config()->get('system', 'build');
if (empty($build)) {
- Config::set('system', 'build', DB_UPDATE_VERSION - 1);
+ DI::config()->set('system', 'build', DB_UPDATE_VERSION - 1);
$build = DB_UPDATE_VERSION - 1;
}
}
if ($build < DB_UPDATE_VERSION) {
- // When we cannot execute the database update via the worker, we will do it directly
- if (!Worker::add(PRIORITY_CRITICAL, 'DBUpdate') && $via_worker) {
- self::run();
+ if ($via_worker) {
+ // Calling the database update directly via the worker enables us to perform database changes to the workerqueue table itself.
+ // This is a fallback, since normally the database update will be performed by a worker job.
+ // This worker job doesn't work for changes to the "workerqueue" table itself.
+ self::run($basePath);
+ } else {
+ Worker::add(PRIORITY_CRITICAL, 'DBUpdate');
}
}
}
/**
* Automatic database updates
+ *
+ * @param string $basePath The base path of this application
+ * @param bool $force Force the Update-Check even if the database version doesn't match
+ * @param bool $override Overrides any running/stuck updates
+ * @param bool $verbose Run the Update-Check verbose
+ * @param bool $sendMail Sends a Mail to the administrator in case of success/failure
+ *
+ * @return string Empty string if the update is successful, error messages otherwise
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function run()
+ public static function run($basePath, $force = false, $override = false, $verbose = false, $sendMail = true)
{
- $build = Config::get('system', 'build');
+ // In force mode, we release the dbupdate lock first
+ // Necessary in case of an stuck update
+ if ($override) {
+ DI::lock()->release('dbupdate', true);
+ }
+
+ $build = DI::config()->get('system', 'build', null, true);
if (empty($build) || ($build > DB_UPDATE_VERSION)) {
$build = DB_UPDATE_VERSION - 1;
- Config::set('system', 'build', $build);
+ DI::config()->set('system', 'build', $build);
}
- if ($build != DB_UPDATE_VERSION) {
+ if ($build != DB_UPDATE_VERSION || $force) {
require_once 'update.php';
$stored = intval($build);
$current = intval(DB_UPDATE_VERSION);
- if ($stored < $current) {
- Config::load('database');
+ if ($stored < $current || $force) {
+ DI::config()->load('database');
+
+ Logger::info('Update starting.', ['from' => $stored, 'to' => $current]);
// Compare the current structure with the defined structure
- if (Lock::acquire('dbupdate')) {
+ // If the Lock is acquired, never release it automatically to avoid double updates
+ if (DI::lock()->acquire('dbupdate', 120, Cache\Duration::INFINITE)) {
+
+ // Checks if the build changed during Lock acquiring (so no double update occurs)
+ $retryBuild = DI::config()->get('system', 'build', null, true);
+ if ($retryBuild !== $build) {
+ Logger::info('Update already done.', ['from' => $stored, 'to' => $current]);
+ DI::lock()->release('dbupdate');
+ return '';
+ }
// run the pre_update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
- $r = self::runUpdateFunction($x, 'pre_update');
+ $r = self::runUpdateFunction($x, 'pre_update', $sendMail);
if (!$r) {
- break;
+ DI::config()->set('system', 'update', Update::FAILED);
+ DI::lock()->release('dbupdate');
+ return $r;
}
}
// update the structure in one call
- $retval = DBStructure::update(false, true);
- if ($retval) {
- DBStructure::updateFail(
- DB_UPDATE_VERSION,
- $retval
- );
- Lock::release('dbupdate');
- return;
+ $retval = DBStructure::update($basePath, $verbose, true);
+ if (!empty($retval)) {
+ if ($sendMail) {
+ self::updateFailed(
+ DB_UPDATE_VERSION,
+ $retval
+ );
+ }
+ Logger::error('Update ERROR.', ['from' => $stored, 'to' => $current, 'retval' => $retval]);
+ DI::config()->set('system', 'update', Update::FAILED);
+ DI::lock()->release('dbupdate');
+ return $retval;
} else {
- Config::set('database', 'last_successful_update', $current);
- Config::set('database', 'last_successful_update_time', time());
+ DI::config()->set('database', 'last_successful_update', $current);
+ DI::config()->set('database', 'last_successful_update_time', time());
+ Logger::info('Update finished.', ['from' => $stored, 'to' => $current]);
}
// run the update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
- $r = self::runUpdateFunction($x, 'update');
+ $r = self::runUpdateFunction($x, 'update', $sendMail);
if (!$r) {
- break;
+ DI::config()->set('system', 'update', Update::FAILED);
+ DI::lock()->release('dbupdate');
+ return $r;
}
}
- Lock::release('dbupdate');
+ Logger::notice('Update success.', ['from' => $stored, 'to' => $current]);
+ if ($sendMail) {
+ self::updateSuccessfull($stored, $current);
+ }
+
+ DI::config()->set('system', 'update', Update::SUCCESS);
+ DI::lock()->release('dbupdate');
}
}
}
+
+ return '';
}
/**
* Executes a specific update function
*
- * @param int $x the DB version number of the function
- * @param string $prefix the prefix of the function (update, pre_update)
- *
+ * @param int $x the DB version number of the function
+ * @param string $prefix the prefix of the function (update, pre_update)
+ * @param bool $sendMail whether to send emails on success/failure
+
* @return bool true, if the update function worked
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function runUpdateFunction($x, $prefix)
+ public static function runUpdateFunction($x, $prefix, bool $sendMail = true)
{
$funcname = $prefix . '_' . $x;
+ Logger::info('Update function start.', ['function' => $funcname]);
+
if (function_exists($funcname)) {
// There could be a lot of processes running or about to run.
// We want exactly one process to run the update command.
// If the update fails or times-out completely you may need to
// delete the config entry to try again.
- if (Lock::acquire('dbupdate_function')) {
+ if (DI::lock()->acquire('dbupdate_function', 120, Cache\Duration::INFINITE)) {
// call the specific update
$retval = $funcname();
if ($retval) {
- //send the administrator an e-mail
- DBStructure::updateFail(
- $x,
- L10n::t('Update %s failed. See error logs.', $x)
- );
- Lock::release('dbupdate_function');
+ if ($sendMail) {
+ //send the administrator an e-mail
+ self::updateFailed(
+ $x,
+ DI::l10n()->t('Update %s failed. See error logs.', $x)
+ );
+ }
+ Logger::error('Update function ERROR.', ['function' => $funcname, 'retval' => $retval]);
+ DI::lock()->release('dbupdate_function');
return false;
} else {
- Config::set('database', 'last_successful_update_function', $funcname);
- Config::set('database', 'last_successful_update_function_time', time());
+ DI::config()->set('database', 'last_successful_update_function', $funcname);
+ DI::config()->set('database', 'last_successful_update_function_time', time());
if ($prefix == 'update') {
- Config::set('system', 'build', $x);
+ DI::config()->set('system', 'build', $x);
}
- Lock::release('dbupdate_function');
+ DI::lock()->release('dbupdate_function');
+ Logger::info('Update function finished.', ['function' => $funcname]);
return true;
}
}
} else {
- logger('Skipping \'' . $funcname . '\' without executing', LOGGER_DEBUG);
+ Logger::info('Update function skipped.', ['function' => $funcname]);
- Config::set('database', 'last_successful_update_function', $funcname);
- Config::set('database', 'last_successful_update_function_time', time());
+ DI::config()->set('database', 'last_successful_update_function', $funcname);
+ DI::config()->set('database', 'last_successful_update_function_time', time());
if ($prefix == 'update') {
- Config::set('system', 'build', $x);
+ DI::config()->set('system', 'build', $x);
}
return true;
}
}
+
+ /**
+ * send the email and do what is needed to do on update fails
+ *
+ * @param int $update_id number of failed update
+ * @param string $error_message error message
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function updateFailed($update_id, $error_message) {
+ //send the administrators an e-mail
+ $condition = ['email' => explode(",", str_replace(" ", "", DI::config()->get('config', 'admin_email'))), 'parent-uid' => 0];
+ $adminlist = DBA::select('user', ['uid', 'language', 'email'], $condition, ['order' => ['uid']]);
+
+ // No valid result?
+ if (!DBA::isResult($adminlist)) {
+ Logger::warning('Cannot notify administrators .', ['update' => $update_id, 'message' => $error_message]);
+
+ // Don't continue
+ return;
+ }
+
+ $sent = [];
+
+ // every admin could had different language
+ while ($admin = DBA::fetch($adminlist)) {
+ if (in_array($admin['email'], $sent)) {
+ continue;
+ }
+ $sent[] = $admin['email'];
+
+ $lang = $admin['language'] ?? 'en';
+ $l10n = DI::l10n()->withLang($lang);
+
+ $preamble = Strings::deindent($l10n->t("
+ The friendica developers released update %s recently,
+ but when I tried to install it, something went terribly wrong.
+ This needs to be fixed soon and I can't do it alone. Please contact a
+ friendica developer if you can not help me on your own. My database might be invalid.",
+ $update_id));
+ $body = $l10n->t("The error message is\n[pre]%s[/pre]", $error_message);
+
+ $email = DI::emailer()
+ ->newSystemMail()
+ ->withMessage($l10n->t('[Friendica Notify] Database update'), $preamble, $body)
+ ->forUser($admin)
+ ->withRecipient($admin['email'])
+ ->build();
+ DI::emailer()->send($email);
+ }
+
+ //try the logger
+ Logger::alert('Database structure update FAILED.', ['error' => $error_message]);
+ }
+
+ private static function updateSuccessfull($from_build, $to_build)
+ {
+ //send the administrators an e-mail
+ $condition = ['email' => explode(",", str_replace(" ", "", DI::config()->get('config', 'admin_email'))), 'parent-uid' => 0];
+ $adminlist = DBA::select('user', ['uid', 'language', 'email'], $condition, ['order' => ['uid']]);
+
+ if (DBA::isResult($adminlist)) {
+ $sent = [];
+
+ // every admin could had different language
+ while ($admin = DBA::fetch($adminlist)) {
+ if (in_array($admin['email'], $sent)) {
+ continue;
+ }
+ $sent[] = $admin['email'];
+
+ $lang = (($admin['language']) ? $admin['language'] : 'en');
+ $l10n = DI::l10n()->withLang($lang);
+
+ $preamble = Strings::deindent($l10n->t("
+ The friendica database was successfully updated from %s to %s.",
+ $from_build, $to_build));
+
+ $email = DI::emailer()
+ ->newSystemMail()
+ ->withMessage($l10n->t('[Friendica Notify] Database update'), $preamble)
+ ->forUser($admin)
+ ->withRecipient($admin['email'])
+ ->build();
+ DI::emailer()->send($email);
+ }
+ }
+
+ //try the logger
+ Logger::debug('Database structure update successful.');
+ }
}