mirror of
https://github.com/Icinga/icingaweb2.git
synced 2025-11-03 20:54:27 +01:00
673 lines
16 KiB
PHP
673 lines
16 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Application;
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use ErrorException;
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use Exception;
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use LogicException;
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use Icinga\Application\Modules\Manager as ModuleManager;
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use Icinga\Authentication\User\UserBackend;
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use Icinga\Data\ConfigObject;
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use Icinga\Data\ResourceFactory;
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use Icinga\Exception\ConfigurationError;
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use Icinga\Exception\NotReadableError;
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use Icinga\Application\Logger;
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use Icinga\Util\Translator;
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use Icinga\Exception\IcingaException;
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/**
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* This class bootstraps a thin Icinga application layer
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*
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* Usage example for CLI:
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* <code>
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* use Icinga\Application\Cli;
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* Cli::start();
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* </code>
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*
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* Usage example for Icinga Web application:
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* <code>
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* use Icinga\Application\Web;
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* Web::start()->dispatch();
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* </code>
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*
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* Usage example for Icinga-Web 1.x compatibility mode:
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* <code>
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* use Icinga\Application\LegacyWeb;
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* LegacyWeb::start()->setIcingaWebBasedir(ICINGAWEB_BASEDIR)->dispatch();
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* </code>
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*/
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abstract class ApplicationBootstrap
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{
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/**
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* Base directory
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*
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* Parent folder for at least application, bin, modules, library/vendor and public
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*
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* @var string
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*/
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protected $baseDir;
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/**
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* Application directory
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*
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* @var string
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*/
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protected $appDir;
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/**
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* Vendor library directory
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*
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* @var string
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*/
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protected $vendorDir;
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/**
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* Library directory
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*
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* @var string
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*/
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protected $libDir;
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/**
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* Configuration directory
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*
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* @var string
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*/
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protected $configDir;
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/**
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* Icinga class loader
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*
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* @var ClassLoader
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*/
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private $loader;
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/**
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* Config object
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*
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* @var Config
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*/
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protected $config;
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/**
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* Module manager
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*
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* @var ModuleManager
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*/
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private $moduleManager;
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/**
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* Flag indicates we're on cli environment
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*
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* @var bool
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*/
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protected $isCli = false;
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/**
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* Flag indicates we're on web environment
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*
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* @var bool
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*/
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protected $isWeb = false;
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/**
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* Whether Icinga Web 2 requires setup
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*
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* @var bool
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*/
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protected $requiresSetup = false;
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/**
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* Constructor
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*
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* @param string $baseDir Icinga Web 2 base directory
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* @param string $configDir Path to Icinga Web 2's configuration files
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*/
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protected function __construct($baseDir = null, $configDir = null)
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{
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if ($baseDir === null) {
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$baseDir = dirname($this->getBootstrapDirectory());
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}
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$this->baseDir = $baseDir;
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$this->appDir = $baseDir . '/application';
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$this->vendorDir = $baseDir . '/library/vendor';
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$this->libDir = realpath(__DIR__ . '/../..');
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$this->setupAutoloader();
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if ($configDir === null) {
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if (array_key_exists('ICINGAWEB_CONFIGDIR', $_SERVER)) {
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$configDir = $_SERVER['ICINGAWEB_CONFIGDIR'];
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} else {
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$configDir = Platform::isWindows()
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? $baseDir . '/config'
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: '/etc/icingaweb2';
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}
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}
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$canonical = realpath($configDir);
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$this->configDir = $canonical ? $canonical : $configDir;
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set_include_path(
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implode(
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PATH_SEPARATOR,
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array($this->vendorDir, get_include_path())
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)
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);
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Benchmark::measure('Bootstrap, autoloader registered');
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Icinga::setApp($this);
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require_once dirname(__FILE__) . '/functions.php';
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}
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/**
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* Bootstrap interface method for concrete bootstrap objects
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*
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* @return mixed
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*/
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abstract protected function bootstrap();
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/**
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* Getter for module manager
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*
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* @return ModuleManager
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*/
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public function getModuleManager()
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{
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return $this->moduleManager;
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}
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/**
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* Getter for class loader
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*
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* @return ClassLoader
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*/
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public function getLoader()
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{
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return $this->loader;
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}
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/**
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* Getter for configuration object
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*
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* @return Config
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*/
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public function getConfig()
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{
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return $this->config;
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}
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/**
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* Flag indicates we're on cli environment
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*
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* @return bool
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*/
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public function isCli()
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{
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return $this->isCli;
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}
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/**
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* Flag indicates we're on web environment
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*
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* @return bool
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*/
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public function isWeb()
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{
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return $this->isWeb;
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}
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/**
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* Helper to glue directories together
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*
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* @param string $dir
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* @param string $subdir
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*
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* @return string
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*/
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private function getDirWithSubDir($dir, $subdir = null)
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{
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if ($subdir !== null) {
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$dir .= '/' . ltrim($subdir, '/');
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}
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return $dir;
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}
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/**
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* Get the base directory
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*
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* @param string $subDir Optional sub directory to get
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*
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* @return string
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*/
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public function getBaseDir($subDir = null)
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{
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return $this->getDirWithSubDir($this->baseDir, $subDir);
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}
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/**
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* Get the application directory
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*
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* @param string $subDir Optional sub directory to get
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*
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* @return string
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*/
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public function getApplicationDir($subDir = null)
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{
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return $this->getDirWithSubDir($this->appDir, $subDir);
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}
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/**
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* Get the vendor library directory
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*
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* @param string $subDir Optional sub directory to get
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*
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* @return string
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*/
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public function getVendorDir($subDir = null)
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{
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return $this->getDirWithSubDir($this->vendorDir, $subDir);
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}
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/**
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* Get the configuration directory
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*
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* @param string $subDir Optional sub directory to get
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*
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* @return string
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*/
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public function getConfigDir($subDir = null)
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{
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return $this->getDirWithSubDir($this->configDir, $subDir);
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}
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/**
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* Get the Icinga library directory
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*
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* @param string $subDir Optional sub directory to get
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*
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* @return string
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*/
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public function getLibraryDir($subDir = null)
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{
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return $this->getDirWithSubDir($this->libDir, $subDir);
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}
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/**
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* Get the path to the bootstrapping directory
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*
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* This is usually /public for Web and EmbeddedWeb and /bin for the CLI
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*
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* @return string
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*
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* @throws LogicException If the base directory can not be detected
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*/
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public function getBootstrapDirectory()
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{
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$script = $_SERVER['SCRIPT_FILENAME'];
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$canonical = realpath($script);
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if ($canonical !== false) {
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$dir = dirname($canonical);
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} elseif (substr($script, -14) === '/webrouter.php') {
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// If Icinga Web 2 is served using PHP's built-in webserver with our webrouter.php script, the $_SERVER
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// variable SCRIPT_FILENAME is set to DOCUMENT_ROOT/webrouter.php which is not a valid path to
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// realpath but DOCUMENT_ROOT here still is the bootstrapping directory
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$dir = dirname($script);
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} else {
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throw new LogicException('Can\'t detected base directory');
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}
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return $dir;
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}
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/**
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* Start the bootstrap
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*
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* @param string $baseDir Icinga Web 2 base directory
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* @param string $configDir Path to Icinga Web 2's configuration files
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*
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* @return static
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*/
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public static function start($baseDir = null, $configDir = null)
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{
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$application = new static($baseDir, $configDir);
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$application->bootstrap();
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return $application;
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}
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/**
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* Setup Icinga class loader
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*
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* @return $this
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*/
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public function setupAutoloader()
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{
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require $this->libDir . '/Icinga/Application/ClassLoader.php';
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$this->loader = new ClassLoader();
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$this->loader->registerNamespace('Icinga', $this->libDir. '/Icinga');
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$this->loader->register();
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return $this;
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}
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/**
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* Register the Zend Autoloader
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*
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* @return $this
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*/
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public function setupZendAutoloader()
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{
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require_once 'Zend/Loader/Autoloader.php';
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\Zend_Loader_Autoloader::getInstance();
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\Zend_Paginator::addScrollingStylePrefixPath(
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'Icinga_Web_Paginator_ScrollingStyle_', $this->libDir . '/Icinga/Web/Paginator/ScrollingStyle'
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);
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return $this;
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}
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/**
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* Setup module manager
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*
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* @return $this
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*/
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protected function setupModuleManager()
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{
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$this->moduleManager = new ModuleManager(
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$this,
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$this->configDir . '/enabledModules',
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explode(':', $this->config->get('global', 'module_path', $this->baseDir . '/modules'))
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);
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return $this;
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}
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/**
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* Load all enabled modules
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*
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* @return $this
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*/
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protected function loadEnabledModules()
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{
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try {
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$this->moduleManager->loadEnabledModules();
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} catch (NotReadableError $e) {
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Logger::error(new IcingaException('Cannot load enabled modules. An exception was thrown:', $e));
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}
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return $this;
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}
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/**
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* Load the setup module if Icinga Web 2 requires setup or the setup token exists
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*
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* @return $this
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*/
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protected function loadSetupModuleIfNecessary()
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{
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if (! @file_exists($this->config->resolvePath('authentication.ini'))) {
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$this->requiresSetup = true;
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$this->moduleManager->loadModule('setup');
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} elseif ($this->setupTokenExists()) {
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// Load setup module but do not require setup
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$this->moduleManager->loadModule('setup');
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}
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return $this;
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}
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/**
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* Get whether Icinga Web 2 requires setup
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*
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* @return bool
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*/
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public function requiresSetup()
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{
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return $this->requiresSetup;
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}
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/**
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* Get whether the setup token exists
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*
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* @return bool
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*/
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public function setupTokenExists()
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{
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return @file_exists($this->config->resolvePath('setup.token'));
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}
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/**
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* Setup default logging
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*
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* @return $this
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*/
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protected function setupLogging()
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{
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Logger::create(
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new ConfigObject(
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array(
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'log' => 'syslog'
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)
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)
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);
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return $this;
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}
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/**
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* Load Configuration
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*
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* @return $this
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*/
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protected function loadConfig()
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{
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Config::$configDir = $this->configDir;
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try {
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$this->config = Config::app();
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} catch (NotReadableError $e) {
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Logger::error(new IcingaException('Cannot load application configuration. An exception was thrown:', $e));
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$this->config = new Config();
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}
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return $this;
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}
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/**
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* Error handling configuration
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*
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* @return $this
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*/
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protected function setupErrorHandling()
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{
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error_reporting(E_ALL | E_STRICT);
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ini_set('display_startup_errors', 1);
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ini_set('display_errors', 1);
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set_error_handler(function ($errno, $errstr, $errfile, $errline) {
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if (error_reporting() === 0) {
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// Error was suppressed with the @-operator
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return false; // Continue with the normal error handler
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}
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switch($errno) {
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case E_NOTICE:
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case E_WARNING:
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case E_STRICT:
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throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
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}
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return false; // Continue with the normal error handler
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});
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return $this;
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}
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/**
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* Set up logger
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*
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* @return $this
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*/
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protected function setupLogger()
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{
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if ($this->config->hasSection('logging')) {
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$loggingConfig = $this->config->getSection('logging');
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try {
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Logger::create($loggingConfig);
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} catch (ConfigurationError $e) {
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Logger::getInstance()->registerConfigError($e->getMessage());
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try {
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Logger::getInstance()->setLevel($loggingConfig->get('level', Logger::ERROR));
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} catch (ConfigurationError $e) {
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Logger::getInstance()->registerConfigError($e->getMessage());
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}
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}
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}
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return $this;
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}
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/**
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* Set up the resource factory
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*
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* @return $this
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*/
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protected function setupResourceFactory()
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{
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try {
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$config = Config::app('resources');
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ResourceFactory::setConfig($config);
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} catch (NotReadableError $e) {
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Logger::error(
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new IcingaException('Cannot load resource configuration. An exception was thrown:', $e)
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);
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}
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return $this;
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}
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/**
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* Set up the user backend factory
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*
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* @return $this
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*/
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protected function setupUserBackendFactory()
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{
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try {
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UserBackend::setConfig(Config::app('authentication'));
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} catch (NotReadableError $e) {
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Logger::error(
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new IcingaException('Cannot load user backend configuration. An exception was thrown:', $e)
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);
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}
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return $this;
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}
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/**
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* Detect the timezone
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*
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* @return null|string
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*/
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protected function detectTimezone()
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{
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return null;
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}
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/**
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* Set up the timezone
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*
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* @return $this
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*/
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protected final function setupTimezone()
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{
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$timezone = $this->detectTimeZone();
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if ($timezone === null || @date_default_timezone_set($timezone) === false) {
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$timezone = @date_default_timezone_get();
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if ($timezone === false) {
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$timezone = 'UTC';
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date_default_timezone_set($timezone);
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}
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}
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return $this;
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}
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/**
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* Detect the locale
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*
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* @return null|string
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*/
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protected function detectLocale()
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{
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return null;
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}
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/**
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* Set up internationalization using gettext
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*
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* @return $this
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*/
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protected final function setupInternationalization()
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{
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if ($this->hasLocales()) {
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Translator::registerDomain(Translator::DEFAULT_DOMAIN, $this->getLocaleDir());
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}
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$locale = $this->detectLocale();
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if ($locale === null) {
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$locale = Translator::DEFAULT_LOCALE;
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}
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try {
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Translator::setupLocale($locale);
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} catch (Exception $error) {
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Logger::error($error);
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}
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return $this;
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}
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/**
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* @return string Our locale directory
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*/
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public function getLocaleDir()
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{
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return $this->getApplicationDir('locale');
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}
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|
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/**
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* return bool Whether Icinga Web has translations
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*/
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public function hasLocales()
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{
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$localedir = $this->getLocaleDir();
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return file_exists($localedir) && is_dir($localedir);
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|
}
|
|
|
|
/**
|
|
* List all available locales
|
|
*
|
|
* NOTE: Might be a candidate for a static function in Translator
|
|
*
|
|
* return array Locale list
|
|
*/
|
|
public function listLocales()
|
|
{
|
|
$locales = array();
|
|
if (! $this->hasLocales()) {
|
|
return $locales;
|
|
}
|
|
$localedir = $this->getLocaleDir();
|
|
|
|
$dh = opendir($localedir);
|
|
while (false !== ($file = readdir($dh))) {
|
|
$filename = $localedir . DIRECTORY_SEPARATOR . $file;
|
|
if (preg_match('/^[a-z]{2}_[A-Z]{2}$/', $file) && is_dir($filename)) {
|
|
$locales[] = $file;
|
|
}
|
|
}
|
|
closedir($dh);
|
|
sort($locales);
|
|
return $locales;
|
|
}
|
|
}
|