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<?php
/**
* ---------------------------------------------------------------------
*
* GLPI - Gestionnaire Libre de Parc Informatique
*
* http://glpi-project.org
*
* @copyright 2015-2023 Teclib' and contributors.
* @copyright 2003-2014 by the INDEPNET Development Team.
* @licence https://www.gnu.org/licenses/gpl-3.0.html
*
* ---------------------------------------------------------------------
*
* LICENSE
*
* This file is part of GLPI.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* ---------------------------------------------------------------------
*/
use Glpi\Rules\RulesManager;
use Glpi\System\Diagnostic\DatabaseSchemaIntegrityChecker;
use Glpi\Toolbox\VersionParser;
/**
* Update class
**/
class Update
{
private $args = [];
private $DB;
/**
* @var Migration
*/
private $migration;
private $version;
private $dbversion;
private $language;
/**
* Directory containing migrations.
*
* @var string
*/
private $migrations_directory;
/**
* Constructor
*
* @param object $DB Database instance
* @param array $args Command line arguments; default to empty array
* @param string $migrations_directory
*/
public function __construct($DB, $args = [], string $migrations_directory = GLPI_ROOT . '/install/migrations/')
{
$this->DB = $DB;
$this->args = $args;
$this->migrations_directory = $migrations_directory;
}
/**
* Initialize session for update
*
* @return void
*/
public function initSession()
{
if (is_writable(GLPI_SESSION_DIR)) {
Session::setPath();
} else {
if (isCommandLine()) {
die("Can't write in " . GLPI_SESSION_DIR . "\n");
}
}
Session::start();
if (isCommandLine()) {
// Init debug variable
$_SESSION = ['glpilanguage' => (isset($this->args['lang']) ? $this->args['lang'] : 'en_GB')];
$_SESSION["glpi_currenttime"] = date("Y-m-d H:i:s");
}
}
/**
* Get current values (versions, lang, ...)
*
* @return array
*/
public function getCurrents()
{
$currents = [];
$DB = $this->DB;
if (!$DB->tableExists('glpi_config') && !$DB->tableExists('glpi_configs')) {
if ($DB->listTables()->count() > 0) {
// < 0.31
// Version was not yet stored in DB
$currents = [
'version' => '0.1',
'dbversion' => '0.1',
'language' => 'en_GB',
];
} else {
// Not a GLPI database
$currents = [
'version' => null,
'dbversion' => null,
'language' => 'en_GB',
];
}
} else if (!$DB->tableExists("glpi_configs")) {
// >= 0.31 and < 0.78
// Get current version
$result = $DB->request([
'SELECT' => ['version', 'language'],
'FROM' => 'glpi_config'
])->current();
$currents['version'] = trim($result['version']);
$currents['dbversion'] = $currents['version'];
$currents['language'] = trim($result['language']);
} else if ($DB->fieldExists('glpi_configs', 'version')) {
// < 0.85
// Get current version and language
$result = $DB->request([
'SELECT' => ['version', 'language'],
'FROM' => 'glpi_configs'
])->current();
$currents['version'] = trim($result['version']);
$currents['dbversion'] = $currents['version'];
$currents['language'] = trim($result['language']);
} else {
// >= 0.85
$values = Config::getConfigurationValues(
'core',
['version', 'dbversion', 'language']
);
$currents['version'] = $values['version'] ?? null;
$currents['dbversion'] = $values['dbversion'] ?? $currents['version']; // `dbversion` was not existing prior to 9.2.0
$currents['language'] = $values['language'] ?? 'en_GB';
}
$this->version = $currents['version'];
$this->dbversion = $currents['dbversion'];
$this->language = $currents['language'];
return $currents;
}
/**
* Verify the database schema integrity.
*
* @return bool
*/
final public function isUpdatedSchemaConsistent(): bool
{
global $DB;
$checker = new DatabaseSchemaIntegrityChecker($DB, false, true, true, true, true, true);
$differences = $checker->checkCompleteSchema(
sprintf('%s/install/mysql/glpi-empty.sql', GLPI_ROOT),
true
);
return count($differences) === 0;
}
/**
* Run updates
*
* @param string $current_version Current version
* @param bool $force_latest Force replay of latest migration
*
* @return void
*/
public function doUpdates($current_version = null, bool $force_latest = false)
{
if ($current_version === null) {
if ($this->version === null) {
throw new \RuntimeException('Cannot process updates without any version specified!');
}
$current_version = $this->version;
}
if (version_compare($current_version, '0.80', 'lt')) {
die('Upgrade is not supported before 0.80!');
die(1);
}
$DB = $this->DB;
$support_legacy_data = version_compare(VersionParser::getNormalizedVersion($current_version), '10.0.0', '>=')
? (Config::getConfigurationValue('core', 'support_legacy_data') ?? true)
: true;
if ($support_legacy_data) {
// Remove strict flags to prevent failure on invalid legacy data.
// e.g. with `NO_ZERO_DATE` flag `ALTER TABLE` operations fails when a row contains a `0000-00-00 00:00:00` datetime value.
// Unitary removal of these flags is not pôssible as MySQL 8.0 triggers warning if
// `STRICT_{ALL|TRANS}_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO` are not used all together.
$sql_mode = $DB->query(sprintf('SELECT @@sql_mode as %s', $DB->quoteName('sql_mode')))->fetch_assoc()['sql_mode'] ?? '';
$sql_mode_flags = array_filter(
explode(',', $sql_mode),
function (string $flag) {
return !in_array(
trim($flag),
[
'STRICT_ALL_TABLES',
'STRICT_TRANS_TABLES',
'NO_ZERO_IN_DATE',
'NO_ZERO_DATE',
'ERROR_FOR_DIVISION_BY_ZERO',
]
);
}
);
$DB->query(sprintf('SET SESSION sql_mode = %s', $DB->quote(implode(',', $sql_mode_flags))));
}
// To prevent problem of execution time
ini_set("max_execution_time", "0");
// Update process desactivate all plugins
$plugin = new Plugin();
$plugin->unactivateAll();
if (version_compare($current_version, '0.80', '<') || version_compare($current_version, GLPI_VERSION, '>')) {
$message = sprintf(
__('Unsupported version (%1$s)'),
$current_version
);
if (isCommandLine()) {
echo "$message\n";
die(1);
} else {
$this->migration->displayWarning($message, true);
die(1);
}
}
$migrations = $this->getMigrationsToDo($current_version, $force_latest);
foreach ($migrations as $file => $function) {
include_once($file);
$function();
}
// Initalize rules
$this->migration->displayTitle(__('Initializing rules...'));
RulesManager::initializeRules();
if (($myisam_count = $DB->getMyIsamTables()->count()) > 0) {
$message = sprintf(__('%d tables are using the deprecated MyISAM storage engine.'), $myisam_count)
. ' '
. sprintf(__('Run the "%1$s" command to migrate them.'), 'php bin/console migration:myisam_to_innodb');
$this->migration->displayError($message);
}
if (($datetime_count = $DB->getTzIncompatibleTables()->count()) > 0) {
$message = sprintf(__('%1$s columns are using the deprecated datetime storage field type.'), $datetime_count)
. ' '
. sprintf(__('Run the "%1$s" command to migrate them.'), 'php bin/console migration:timestamps');
$this->migration->displayError($message);
}
/*
* FIXME: Remove `$DB->use_utf8mb4` and `$exclude_plugins = true` conditions in GLPI 10.1.
* These conditions are here only to prevent having this message on every migration to GLPI 10.0.x.
* Indeed, as migration command was not available in previous versions, users may not understand
* why this is considered as an error.
* Also, some plugins may not have yet handle the switch to utf8mb4.
*/
if ($DB->use_utf8mb4 && ($non_utf8mb4_count = $DB->getNonUtf8mb4Tables(true)->count()) > 0) {
$message = sprintf(__('%1$s tables are using the deprecated utf8mb3 storage charset.'), $non_utf8mb4_count)
. ' '
. sprintf(__('Run the "%1$s" command to migrate them.'), 'php bin/console migration:utf8mb4');
$this->migration->displayError($message);
}
/*
* FIXME: Remove `!$DB->allow_signed_keys` and `$exclude_plugins = true` conditions in GLPI 10.1.
* These conditions are here only to prevent having this message on every migration to GLPI 10.0.x.
* Indeed, as migration command was not available in previous versions, users may not understand
* why this is considered as an error.
* Also, some plugins may not have yet handle the switch to unsigned keys.
*/
if (!$DB->allow_signed_keys && ($signed_keys_col_count = $DB->getSignedKeysColumns(true)->count()) > 0) {
$message = sprintf(__('%d primary or foreign keys columns are using signed integers.'), $signed_keys_col_count)
. ' '
. sprintf(__('Run the "%1$s" command to migrate them.'), 'php bin/console migration:unsigned_keys');
$this->migration->displayError($message);
}
// Update version number and default langage and new version_founded ---- LEAVE AT THE END
Config::setConfigurationValues('core', ['version' => GLPI_VERSION,
'dbversion' => GLPI_SCHEMA_VERSION,
'language' => $this->language,
'founded_new_version' => ''
]);
if (defined('GLPI_SYSTEM_CRON')) {
// Downstream packages may provide a good system cron
$DB->updateOrDie(
'glpi_crontasks',
[
'mode' => 2
],
[
'name' => ['!=', 'watcher'],
'allowmode' => ['&', 2]
]
);
}
// Reset telemetry if its state is running, assuming it remained stuck due to telemetry service issue (see #7492).
$crontask_telemetry = new CronTask();
$crontask_telemetry->getFromDBbyName("Telemetry", "telemetry");
if ($crontask_telemetry->fields['state'] === CronTask::STATE_RUNNING) {
$crontask_telemetry->resetDate();
$crontask_telemetry->resetState();
}
//generate security key if missing, and update db
$glpikey = new GLPIKey();
if (!$glpikey->keyExists() && !$glpikey->generate()) {
$this->migration->displayWarning(
sprintf(
__('Unable to create security key file! You have to run the "%s" command to manually create this file.'),
'php bin/console security:change_key'
),
true
);
}
}
/**
* Set migration
*
* @param Migration $migration Migration instance
*
* @return Update
*/
public function setMigration(Migration $migration)
{
$this->migration = $migration;
return $this;
}
/**
* Check if expected security key file is missing.
*
* @return bool
*/
public function isExpectedSecurityKeyFileMissing(): bool
{
$expected_key_path = $this->getExpectedSecurityKeyFilePath();
if ($expected_key_path === null) {
return false;
}
return !file_exists($expected_key_path);
}
/**
* Returns expected security key file path.
* Will return null for GLPI versions that was not yet handling a custom security key.
*
* @return string|null
*/
public function getExpectedSecurityKeyFilePath(): ?string
{
$glpikey = new GLPIKey();
return $glpikey->getExpectedKeyPath($this->getCurrents()['version']);
}
/**
* Get migrations that have to be ran.
*
* @param string $current_version
* @param bool $force_latest
*
* @return array
*/
private function getMigrationsToDo(string $current_version, bool $force_latest = false): array
{
$migrations = [];
$current_version = VersionParser::getNormalizedVersion($current_version, true, true);
$pattern = '/^update_(?<source_version>\d+\.\d+\.(?:\d+|x))_to_(?<target_version>\d+\.\d+\.(?:\d+|x))\.php$/';
$migration_iterator = new DirectoryIterator($this->migrations_directory);
foreach ($migration_iterator as $file) {
$versions_matches = [];
if ($file->isDir() || $file->isDot() || preg_match($pattern, $file->getFilename(), $versions_matches) !== 1) {
continue;
}
$force_migration = false;
if ($current_version === '9.2.2' && $versions_matches['target_version'] === '9.2.2') {
//9.2.2 upgrade script was not run from the release, see https://github.com/glpi-project/glpi/issues/3659
$force_migration = true;
} else if ($force_latest && version_compare($versions_matches['target_version'], $current_version, '=')) {
$force_migration = true;
}
if (version_compare($versions_matches['target_version'], $current_version, '>') || $force_migration) {
$migrations[$file->getPathname()] = preg_replace(
'/^update_(\d+)\.(\d+)\.(\d+|x)_to_(\d+)\.(\d+)\.(\d+|x)\.php$/',
'update$1$2$3to$4$5$6',
$file->getBasename()
);
}
}
ksort($migrations, SORT_NATURAL);
return $migrations;
}
/**
* Check if database is up-to-date.
*
* @return bool
*/
public static function isDbUpToDate(): bool
{
global $CFG_GLPI;
if (!array_key_exists('dbversion', $CFG_GLPI)) {
return false; // Considered as outdated if installed version is unknown.
}
$installed_version = trim($CFG_GLPI['dbversion']);
$defined_version = GLPI_SCHEMA_VERSION;
if (!str_contains($installed_version, '@') || !str_contains($defined_version, '@')) {
// Either installed or defined version is not containing schema hash.
// Hash is removed from both to do a simple version comparison.
$installed_version = preg_replace('/@.+$/', '', $installed_version);
$defined_version = preg_replace('/@.+$/', '', $defined_version);
}
return $installed_version === $defined_version;
}
}