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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Application\Kernel;
use Piwik\Common;
use Piwik\Piwik;
use Piwik\SettingsServer;
use Piwik\Translation\Translator;
/**
* Validates the Piwik environment. This includes making sure the required config files
* are present, and triggering the correct behaviour if otherwise.
*/
class EnvironmentValidator
{
/**
* @var GlobalSettingsProvider
*/
protected $settingsProvider;
/**
* @var Translator
*/
protected $translator;
public function __construct(GlobalSettingsProvider $settingsProvider, Translator $translator)
{
$this->settingsProvider = $settingsProvider;
$this->translator = $translator;
}
public function validate()
{
$inTrackerRequest = SettingsServer::isTrackerApiRequest();
$inConsole = Common::isPhpCliMode();
$this->checkConfigFileExists($this->settingsProvider->getPathGlobal());
$this->checkConfigFileExists($this->settingsProvider->getPathLocal(), $startInstaller = !$inTrackerRequest && !$inConsole);
}
/**
* @param $path
* @param bool $startInstaller
* @throws \Exception
*/
private function checkConfigFileExists($path, $startInstaller = false)
{
if (is_readable($path)) {
return;
}
$message = $this->translator->translate('General_ExceptionConfigurationFileNotFound', array($path));
if (Common::isPhpCliMode()) {
$message .= "\n" . $this->translator->translate('General_ExceptionConfigurationFileNotFound2', array($path, get_current_user()));
}
$exception = new \Exception($message);
if ($startInstaller) {
/**
* Triggered when the configuration file cannot be found or read, which usually
* means Piwik is not installed yet.
*
* This event can be used to start the installation process or to display a custom error message.
*
* @param \Exception $exception The exception that was thrown by `Config::getInstance()`.
*/
Piwik::postEvent('Config.NoConfigurationFile', array($exception), $pending = true);
} else {
throw $exception;
}
}
}
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