417 lines
12 KiB
PHP
417 lines
12 KiB
PHP
<?php
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namespace SilverStripe\Core;
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use Monolog\Handler\StreamHandler;
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use Monolog\Logger;
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use Psr\Log\LoggerInterface;
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use SilverStripe\Config\Collections\CachedConfigCollection;
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use SilverStripe\Control\Director;
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use SilverStripe\Control\HTTPResponse;
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use SilverStripe\Control\HTTPResponse_Exception;
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use SilverStripe\Core\Cache\ManifestCacheFactory;
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use SilverStripe\Core\Config\ConfigLoader;
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use SilverStripe\Core\Config\CoreConfigFactory;
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use SilverStripe\Core\Injector\Injector;
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use SilverStripe\Core\Injector\InjectorLoader;
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use SilverStripe\Core\Injector\SilverStripeServiceConfigurationLocator;
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use SilverStripe\Core\Manifest\ClassLoader;
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use SilverStripe\Core\Manifest\ClassManifest;
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use SilverStripe\Core\Manifest\ModuleLoader;
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use SilverStripe\Core\Manifest\ModuleManifest;
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use SilverStripe\Dev\DebugView;
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use SilverStripe\Dev\Install\DatabaseAdapterRegistry;
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use SilverStripe\Logging\ErrorHandler;
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use SilverStripe\ORM\DB;
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use SilverStripe\View\ThemeManifest;
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use SilverStripe\View\ThemeResourceLoader;
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class AppKernel extends CoreKernel
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{
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public function __construct()
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{
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// Initialise the dependency injector as soon as possible, as it is
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// subsequently used by some of the following code
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$injectorLoader = InjectorLoader::inst();
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$injector = new Injector(array('locator' => SilverStripeServiceConfigurationLocator::class));
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$injectorLoader->pushManifest($injector);
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$this->setInjectorLoader($injectorLoader);
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// Manifest cache factory
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$manifestCacheFactory = $this->buildManifestCacheFactory();
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// Class loader
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$classLoader = ClassLoader::inst();
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$classLoader->pushManifest(new ClassManifest(BASE_PATH, $manifestCacheFactory));
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$this->setClassLoader($classLoader);
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// Module loader
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$moduleLoader = ModuleLoader::inst();
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$moduleManifest = new ModuleManifest(BASE_PATH, $manifestCacheFactory);
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$moduleLoader->pushManifest($moduleManifest);
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$this->setModuleLoader($moduleLoader);
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// Config loader
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// @todo refactor CoreConfigFactory
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$configFactory = new CoreConfigFactory($manifestCacheFactory);
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$configManifest = $configFactory->createRoot();
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$configLoader = ConfigLoader::inst();
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$configLoader->pushManifest($configManifest);
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$this->setConfigLoader($configLoader);
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// Load template manifest
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$themeResourceLoader = ThemeResourceLoader::inst();
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$themeResourceLoader->addSet('$default', new ThemeManifest(
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BASE_PATH,
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project(),
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$manifestCacheFactory
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));
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$this->setThemeResourceLoader($themeResourceLoader);
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}
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public function getEnvironment()
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{
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// Check set
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if ($this->enviroment) {
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return $this->enviroment;
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}
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// Check saved session
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$env = $this->sessionEnvironment();
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if ($env) {
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return $env;
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}
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// Check getenv
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if ($env = getenv('SS_ENVIRONMENT_TYPE')) {
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return $env;
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}
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return self::LIVE;
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}
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/**
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* Check or update any temporary environment specified in the session.
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*
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* @return null|string
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*/
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protected function sessionEnvironment()
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{
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// Check isDev in querystring
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if (isset($_GET['isDev'])) {
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if (isset($_SESSION)) {
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unset($_SESSION['isTest']); // In case we are changing from test mode
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$_SESSION['isDev'] = $_GET['isDev'];
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}
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return self::DEV;
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}
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// Check isTest in querystring
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if (isset($_GET['isTest'])) {
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if (isset($_SESSION)) {
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unset($_SESSION['isDev']); // In case we are changing from dev mode
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$_SESSION['isTest'] = $_GET['isTest'];
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}
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return self::TEST;
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}
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// Check session
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if (!empty($_SESSION['isDev'])) {
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return self::DEV;
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}
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if (!empty($_SESSION['isTest'])) {
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return self::TEST;
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}
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// no session environment
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return null;
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}
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public function boot($flush = false)
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{
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$this->bootPHP();
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$this->bootManifests($flush);
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$this->bootErrorHandling();
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$this->bootDatabase();
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}
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/**
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* Configure database
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*
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* @throws HTTPResponse_Exception
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*/
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protected function bootDatabase()
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{
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// Check if a DB is named
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$name = $this->getDatabaseName();
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// Gracefully fail if no DB is configured
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if (empty($name)) {
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$this->detectLegacyEnvironment();
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$this->redirectToInstaller();
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}
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// Set default database config
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$databaseConfig = $this->getDatabaseConfig();
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$databaseConfig['database'] = $this->getDatabaseName();
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DB::setConfig($databaseConfig);
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}
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/**
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* Check if there's a legacy _ss_environment.php file
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*
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* @throws HTTPResponse_Exception
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*/
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protected function detectLegacyEnvironment()
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{
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// Is there an _ss_environment.php file?
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if (!file_exists(BASE_PATH . '/_ss_environment.php') &&
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!file_exists(dirname(BASE_PATH) . '/_ss_environment.php')
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) {
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return;
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}
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// Build error response
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$dv = new DebugView();
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$body =
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$dv->renderHeader() .
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$dv->renderInfo(
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"Configuraton Error",
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Director::absoluteBaseURL()
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) .
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$dv->renderParagraph(
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'You need to replace your _ss_environment.php file with a .env file, or with environment variables.<br><br>'
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. 'See the <a href="https://docs.silverstripe.org/en/4/getting_started/environment_management/">'
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. 'Environment Management</a> docs for more information.'
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) .
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$dv->renderFooter();
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// Raise error
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$response = new HTTPResponse($body, 500);
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throw new HTTPResponse_Exception($response);
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}
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/**
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* If missing configuration, redirect to install.php
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*/
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protected function redirectToInstaller()
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{
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// Error if installer not available
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if (!file_exists(BASE_PATH . '/install.php')) {
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throw new HTTPResponse_Exception(
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'SilverStripe Framework requires a $databaseConfig defined.',
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500
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);
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}
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// Redirect to installer
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$response = new HTTPResponse();
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$response->redirect(Director::absoluteURL('install.php'));
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throw new HTTPResponse_Exception($response);
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}
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/**
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* Load database config from environment
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*
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* @return array
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*/
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protected function getDatabaseConfig()
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{
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// Check global config
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global $databaseConfig;
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if (!empty($databaseConfig)) {
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return $databaseConfig;
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}
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/** @skipUpgrade */
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$databaseConfig = [
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"type" => getenv('SS_DATABASE_CLASS') ?: 'MySQLDatabase',
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"server" => getenv('SS_DATABASE_SERVER') ?: 'localhost',
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"username" => getenv('SS_DATABASE_USERNAME') ?: null,
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"password" => getenv('SS_DATABASE_PASSWORD') ?: null,
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];
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// Set the port if called for
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$dbPort = getenv('SS_DATABASE_PORT');
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if ($dbPort) {
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$databaseConfig['port'] = $dbPort;
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}
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// Set the timezone if called for
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$dbTZ = getenv('SS_DATABASE_TIMEZONE');
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if ($dbTZ) {
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$databaseConfig['timezone'] = $dbTZ;
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}
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// For schema enabled drivers:
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$dbSchema = getenv('SS_DATABASE_SCHEMA');
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if ($dbSchema) {
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$databaseConfig["schema"] = $dbSchema;
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}
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// For SQlite3 memory databases (mainly for testing purposes)
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$dbMemory = getenv('SS_DATABASE_MEMORY');
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if ($dbMemory) {
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$databaseConfig["memory"] = $dbMemory;
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}
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// Allow database adapters to handle their own configuration
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DatabaseAdapterRegistry::autoconfigure();
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return $databaseConfig;
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}
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/**
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* Get name of database
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*
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* @return string
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*/
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protected function getDatabaseName()
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{
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$prefix = getenv('SS_DATABASE_PREFIX') ?: 'SS_';
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// Check globals
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global $database;
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if (!empty($database)) {
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return $prefix.$database;
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}
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global $databaseConfig;
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if (!empty($databaseConfig['database'])) {
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return $databaseConfig['database']; // Note: Already includes prefix
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}
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// Check environment
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$database = getenv('SS_DATABASE_NAME');
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if ($database) {
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return $prefix.$database;
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}
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// Auto-detect name
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$chooseName = getenv('SS_DATABASE_CHOOSE_NAME');
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if ($chooseName) {
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// Find directory to build name from
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$loopCount = (int)$chooseName;
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$databaseDir = BASE_PATH;
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for ($i = 0; $i < $loopCount-1; $i++) {
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$databaseDir = dirname($databaseDir);
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}
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// Build name
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$database = str_replace('.', '', basename($databaseDir));
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return $prefix.$database;
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}
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// no DB name (may be optional for some connectors)
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return null;
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}
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/**
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* Initialise PHP with default variables
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*/
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protected function bootPHP()
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{
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if ($this->getEnvironment() === self::LIVE) {
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// limited to fatal errors and warnings in live mode
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error_reporting(E_ALL & ~(E_DEPRECATED | E_STRICT | E_NOTICE));
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} else {
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// Report all errors in dev / test mode
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error_reporting(E_ALL | E_STRICT);
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}
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global $_increase_time_limit_max;
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$_increase_time_limit_max = -1;
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/**
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* Ensure we have enough memory
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*/
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increase_memory_limit_to('64M');
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/**
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* Ensure we don't run into xdebug's fairly conservative infinite recursion protection limit
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*/
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increase_xdebug_nesting_level_to(200);
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/**
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* Set default encoding
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*/
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mb_http_output('UTF-8');
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mb_internal_encoding('UTF-8');
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mb_regex_encoding('UTF-8');
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/**
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* Enable better garbage collection
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*/
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gc_enable();
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}
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/**
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* @return ManifestCacheFactory
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*/
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protected function buildManifestCacheFactory()
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{
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return new ManifestCacheFactory([
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'namespace' => 'manifestcache',
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'directory' => getTempFolder(),
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]);
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}
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/**
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* @return bool
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*/
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protected function getIncludeTests()
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{
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return false;
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}
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/**
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* Boot all manifests
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*
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* @param bool $flush
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*/
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protected function bootManifests($flush)
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{
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// Setup autoloader
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$this->getClassLoader()->init($this->getIncludeTests(), $flush);
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// Find modules
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$this->getModuleLoader()->init($this->getIncludeTests(), $flush);
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// Flush config
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if ($flush) {
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$config = $this->getConfigLoader()->getManifest();
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if ($config instanceof CachedConfigCollection) {
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$config->setFlush(true);
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}
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}
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// After loading config, boot _config.php files
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$this->getModuleLoader()->getManifest()->activateConfig();
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// Find default templates
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$defaultSet = $this->getThemeResourceLoader()->getSet('$default');
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if ($defaultSet instanceof ThemeManifest) {
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$defaultSet->init($this->getIncludeTests(), $flush);
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}
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}
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/**
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* Turn on error handling
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*/
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protected function bootErrorHandling()
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{
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// Register error handler
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$errorHandler = Injector::inst()->get(ErrorHandler::class);
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$errorHandler->start();
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// Register error log file
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$errorLog = getenv('SS_ERROR_LOG');
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if ($errorLog) {
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$logger = Injector::inst()->get(LoggerInterface::class);
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if ($logger instanceof Logger) {
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$logger->pushHandler(new StreamHandler(BASE_PATH . '/' . $errorLog, Logger::WARNING));
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} else {
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user_error("SS_ERROR_LOG setting only works with Monolog, you are using another logger", E_USER_WARNING);
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}
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}
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}
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}
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