Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\App;
use Friendica\Core\Config\Cache\ConfigCache;
use Friendica\Database\Database;
use Friendica\Util\BasePath;
/**
* Mode of the current Friendica Node
*
* @package Friendica\App
*/
class Mode
{
const LOCALCONFIGPRESENT = 1;
const DBAVAILABLE = 2;
const DBCONFIGAVAILABLE = 4;
const MAINTENANCEDISABLED = 8;
/***
* @var int the mode of this Application
*
*/
private $mode;
/**
* @var string the basepath of the application
*/
private $basepath;
/**
* @var Database
*/
private $database;
/**
* @var ConfigCache
*/
private $configCache;
public function __construct(BasePath $basepath, Database $database, ConfigCache $configCache)
{
$this->basepath = $basepath->getPath();
$this->database = $database;
$this->configCache = $configCache;
$this->mode = 0;
}
/**
* Sets the App mode
*
* - App::MODE_INSTALL : Either the database connection can't be established or the config table doesn't exist
* - App::MODE_MAINTENANCE: The maintenance mode has been set
* - App::MODE_NORMAL : Normal run with all features enabled
*
* @param string $basePath the Basepath of the Application
*
* @return Mode returns itself
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function determine($basePath = null)
{
if (!empty($basePath)) {
$this->basepath = $basePath;
}
$this->mode = 0;
if (!file_exists($this->basepath . '/config/local.config.php')
&& !file_exists($this->basepath . '/config/local.ini.php')
&& !file_exists($this->basepath . '/.htconfig.php')) {
return $this;
}
$this->mode |= Mode::LOCALCONFIGPRESENT;
if (!$this->database->connected()) {
return $this;
}
$this->mode |= Mode::DBAVAILABLE;
if ($this->database->fetchFirst("SHOW TABLES LIKE 'config'") === false) {
return $this;
}
$this->mode |= Mode::DBCONFIGAVAILABLE;
if ($this->configCache->get('system', 'maintenance') ||
$this->database->selectFirst('config', ['v'], ['cat' => 'system', 'k' => 'maintenance'])) {
return $this;
}
$this->mode |= Mode::MAINTENANCEDISABLED;
return $this;
}
/**
* Checks, if the Friendica Node has the given mode
*
* @param int $mode A mode to test
*
* @return bool returns true, if the mode is set
*/
public function has($mode)
{
return ($this->mode & $mode) > 0;
}
/**
* Install mode is when the local config file is missing or the DB schema hasn't been installed yet.
*
* @return bool
*/
public function isInstall()
{
return !$this->has(Mode::LOCALCONFIGPRESENT) ||
!$this->has(MODE::DBCONFIGAVAILABLE);
}
/**
* Normal mode is when the local config file is set, the DB schema is installed and the maintenance mode is off.
*
* @return bool
*/
public function isNormal()
{
return $this->has(Mode::LOCALCONFIGPRESENT) &&
$this->has(Mode::DBAVAILABLE) &&
$this->has(Mode::DBCONFIGAVAILABLE) &&
$this->has(Mode::MAINTENANCEDISABLED);
}
}