nextcloud / server

lib/private/Setup.php

Indentation +463 added lines, -463 removed lines

@@ -47,467 +47,467 @@
 use OCP\Security\ISecureRandom;
 
 class Setup {
-	/** @var \OCP\IConfig */
-	protected $config;
-	/** @var IniGetWrapper */
-	protected $iniWrapper;
-	/** @var IL10N */
-	protected $l10n;
-	/** @var \OC_Defaults */
-	protected $defaults;
-	/** @var ILogger */
-	protected $logger;
-	/** @var ISecureRandom */
-	protected $random;
-
-	/**
-	 * @param IConfig $config
-	 * @param IniGetWrapper $iniWrapper
-	 * @param \OC_Defaults $defaults
-	 */
-	function __construct(IConfig $config,
-						 IniGetWrapper $iniWrapper,
-						 IL10N $l10n,
-						 \OC_Defaults $defaults,
-						 ILogger $logger,
-						 ISecureRandom $random
-		) {
-		$this->config = $config;
-		$this->iniWrapper = $iniWrapper;
-		$this->l10n = $l10n;
-		$this->defaults = $defaults;
-		$this->logger = $logger;
-		$this->random = $random;
-	}
-
-	static $dbSetupClasses = array(
-		'mysql' => '\OC\Setup\MySQL',
-		'pgsql' => '\OC\Setup\PostgreSQL',
-		'oci'   => '\OC\Setup\OCI',
-		'sqlite' => '\OC\Setup\Sqlite',
-		'sqlite3' => '\OC\Setup\Sqlite',
-	);
-
-	/**
-	 * Wrapper around the "class_exists" PHP function to be able to mock it
-	 * @param string $name
-	 * @return bool
-	 */
-	protected function class_exists($name) {
-		return class_exists($name);
-	}
-
-	/**
-	 * Wrapper around the "is_callable" PHP function to be able to mock it
-	 * @param string $name
-	 * @return bool
-	 */
-	protected function is_callable($name) {
-		return is_callable($name);
-	}
-
-	/**
-	 * Wrapper around \PDO::getAvailableDrivers
-	 *
-	 * @return array
-	 */
-	protected function getAvailableDbDriversForPdo() {
-		return \PDO::getAvailableDrivers();
-	}
-
-	/**
-	 * Get the available and supported databases of this instance
-	 *
-	 * @param bool $allowAllDatabases
-	 * @return array
-	 * @throws Exception
-	 */
-	public function getSupportedDatabases($allowAllDatabases = false) {
-		$availableDatabases = array(
-			'sqlite' =>  array(
-				'type' => 'pdo',
-				'call' => 'sqlite',
-				'name' => 'SQLite'
-			),
-			'mysql' => array(
-				'type' => 'pdo',
-				'call' => 'mysql',
-				'name' => 'MySQL/MariaDB'
-			),
-			'pgsql' => array(
-				'type' => 'pdo',
-				'call' => 'pgsql',
-				'name' => 'PostgreSQL'
-			),
-			'oci' => array(
-				'type' => 'function',
-				'call' => 'oci_connect',
-				'name' => 'Oracle'
-			)
-		);
-		if ($allowAllDatabases) {
-			$configuredDatabases = array_keys($availableDatabases);
-		} else {
-			$configuredDatabases = $this->config->getSystemValue('supportedDatabases',
-				array('sqlite', 'mysql', 'pgsql'));
-		}
-		if(!is_array($configuredDatabases)) {
-			throw new Exception('Supported databases are not properly configured.');
-		}
-
-		$supportedDatabases = array();
-
-		foreach($configuredDatabases as $database) {
-			if(array_key_exists($database, $availableDatabases)) {
-				$working = false;
-				$type = $availableDatabases[$database]['type'];
-				$call = $availableDatabases[$database]['call'];
-
-				if ($type === 'function') {
-					$working = $this->is_callable($call);
-				} elseif($type === 'pdo') {
-					$working = in_array($call, $this->getAvailableDbDriversForPdo(), TRUE);
-				}
-				if($working) {
-					$supportedDatabases[$database] = $availableDatabases[$database]['name'];
-				}
-			}
-		}
-
-		return $supportedDatabases;
-	}
-
-	/**
-	 * Gathers system information like database type and does
-	 * a few system checks.
-	 *
-	 * @return array of system info, including an "errors" value
-	 * in case of errors/warnings
-	 */
-	public function getSystemInfo($allowAllDatabases = false) {
-		$databases = $this->getSupportedDatabases($allowAllDatabases);
-
-		$dataDir = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data');
-
-		$errors = array();
-
-		// Create data directory to test whether the .htaccess works
-		// Notice that this is not necessarily the same data directory as the one
-		// that will effectively be used.
-		if(!file_exists($dataDir)) {
-			@mkdir($dataDir);
-		}
-		$htAccessWorking = true;
-		if (is_dir($dataDir) && is_writable($dataDir)) {
-			// Protect data directory here, so we can test if the protection is working
-			\OC\Setup::protectDataDirectory();
-
-			try {
-				$util = new \OC_Util();
-				$htAccessWorking = $util->isHtaccessWorking(\OC::$server->getConfig());
-			} catch (\OC\HintException $e) {
-				$errors[] = array(
-					'error' => $e->getMessage(),
-					'hint' => $e->getHint()
-				);
-				$htAccessWorking = false;
-			}
-		}
-
-		if (\OC_Util::runningOnMac()) {
-			$errors[] = array(
-				'error' => $this->l10n->t(
-					'Mac OS X is not supported and %s will not work properly on this platform. ' .
-					'Use it at your own risk! ',
-					$this->defaults->getName()
-				),
-				'hint' => $this->l10n->t('For the best results, please consider using a GNU/Linux server instead.')
-			);
-		}
-
-		if($this->iniWrapper->getString('open_basedir') !== '' && PHP_INT_SIZE === 4) {
-			$errors[] = array(
-				'error' => $this->l10n->t(
-					'It seems that this %s instance is running on a 32-bit PHP environment and the open_basedir has been configured in php.ini. ' .
-					'This will lead to problems with files over 4 GB and is highly discouraged.',
-					$this->defaults->getName()
-				),
-				'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to 64-bit PHP.')
-			);
-		}
-
-		return array(
-			'hasSQLite' => isset($databases['sqlite']),
-			'hasMySQL' => isset($databases['mysql']),
-			'hasPostgreSQL' => isset($databases['pgsql']),
-			'hasOracle' => isset($databases['oci']),
-			'databases' => $databases,
-			'directory' => $dataDir,
-			'htaccessWorking' => $htAccessWorking,
-			'errors' => $errors,
-		);
-	}
-
-	/**
-	 * @param $options
-	 * @return array
-	 */
-	public function install($options) {
-		$l = $this->l10n;
-
-		$error = array();
-		$dbType = $options['dbtype'];
-
-		if(empty($options['adminlogin'])) {
-			$error[] = $l->t('Set an admin username.');
-		}
-		if(empty($options['adminpass'])) {
-			$error[] = $l->t('Set an admin password.');
-		}
-		if(empty($options['directory'])) {
-			$options['directory'] = \OC::$SERVERROOT."/data";
-		}
-
-		if (!isset(self::$dbSetupClasses[$dbType])) {
-			$dbType = 'sqlite';
-		}
-
-		$username = htmlspecialchars_decode($options['adminlogin']);
-		$password = htmlspecialchars_decode($options['adminpass']);
-		$dataDir = htmlspecialchars_decode($options['directory']);
-
-		$class = self::$dbSetupClasses[$dbType];
-		/** @var \OC\Setup\AbstractDatabase $dbSetup */
-		$dbSetup = new $class($l, 'db_structure.xml', $this->config,
-			$this->logger, $this->random);
-		$error = array_merge($error, $dbSetup->validate($options));
-
-		// validate the data directory
-		if (
-			(!is_dir($dataDir) and !mkdir($dataDir)) or
-			!is_writable($dataDir)
-		) {
-			$error[] = $l->t("Can't create or write into the data directory %s", array($dataDir));
-		}
-
-		if(count($error) != 0) {
-			return $error;
-		}
-
-		$request = \OC::$server->getRequest();
-
-		//no errors, good
-		if(isset($options['trusted_domains'])
-		    && is_array($options['trusted_domains'])) {
-			$trustedDomains = $options['trusted_domains'];
-		} else {
-			$trustedDomains = [$request->getInsecureServerHost()];
-		}
-
-		//use sqlite3 when available, otherwise sqlite2 will be used.
-		if($dbType=='sqlite' and class_exists('SQLite3')) {
-			$dbType='sqlite3';
-		}
-
-		//generate a random salt that is used to salt the local user passwords
-		$salt = $this->random->generate(30);
-		// generate a secret
-		$secret = $this->random->generate(48);
-
-		//write the config file
-		$this->config->setSystemValues([
-			'passwordsalt'		=> $salt,
-			'secret'			=> $secret,
-			'trusted_domains'	=> $trustedDomains,
-			'datadirectory'		=> $dataDir,
-			'overwrite.cli.url'	=> $request->getServerProtocol() . '://' . $request->getInsecureServerHost() . \OC::$WEBROOT,
-			'dbtype'			=> $dbType,
-			'version'			=> implode('.', \OCP\Util::getVersion()),
-		]);
-
-		try {
-			$dbSetup->initialize($options);
-			$dbSetup->setupDatabase($username);
-		} catch (\OC\DatabaseSetupException $e) {
-			$error[] = array(
-				'error' => $e->getMessage(),
-				'hint' => $e->getHint()
-			);
-			return($error);
-		} catch (Exception $e) {
-			$error[] = array(
-				'error' => 'Error while trying to create admin user: ' . $e->getMessage(),
-				'hint' => ''
-			);
-			return($error);
-		}
-
-		//create the user and group
-		$user =  null;
-		try {
-			$user = \OC::$server->getUserManager()->createUser($username, $password);
-			if (!$user) {
-				$error[] = "User <$username> could not be created.";
-			}
-		} catch(Exception $exception) {
-			$error[] = $exception->getMessage();
-		}
-
-		if(count($error) == 0) {
-			$config = \OC::$server->getConfig();
-			$config->setAppValue('core', 'installedat', microtime(true));
-			$config->setAppValue('core', 'lastupdatedat', microtime(true));
-			$config->setAppValue('core', 'vendor', $this->getVendor());
-
-			$group =\OC::$server->getGroupManager()->createGroup('admin');
-			$group->addUser($user);
-
-			//guess what this does
-			Installer::installShippedApps();
-
-			// create empty file in data dir, so we can later find
-			// out that this is indeed an ownCloud data directory
-			file_put_contents($config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').'/.ocdata', '');
-
-			// Update .htaccess files
-			Setup::updateHtaccess();
-			Setup::protectDataDirectory();
-
-			self::installBackgroundJobs();
-
-			//and we are done
-			$config->setSystemValue('installed', true);
-
-			// Create a session token for the newly created user
-			// The token provider requires a working db, so it's not injected on setup
-			/* @var $userSession User\Session */
-			$userSession = \OC::$server->getUserSession();
-			$defaultTokenProvider = \OC::$server->query('OC\Authentication\Token\DefaultTokenProvider');
-			$userSession->setTokenProvider($defaultTokenProvider);
-			$userSession->login($username, $password);
-			$userSession->createSessionToken($request, $userSession->getUser()->getUID(), $username, $password);
-		}
-
-		return $error;
-	}
-
-	public static function installBackgroundJobs() {
-		\OC::$server->getJobList()->add('\OC\Authentication\Token\DefaultTokenCleanupJob');
-	}
-
-	/**
-	 * @return string Absolute path to htaccess
-	 */
-	private function pathToHtaccess() {
-		return \OC::$SERVERROOT.'/.htaccess';
-	}
-
-	/**
-	 * Append the correct ErrorDocument path for Apache hosts
-	 * @return bool True when success, False otherwise
-	 */
-	public static function updateHtaccess() {
-		$config = \OC::$server->getConfig();
-
-		// For CLI read the value from overwrite.cli.url
-		if(\OC::$CLI) {
-			$webRoot = $config->getSystemValue('overwrite.cli.url', '');
-			if($webRoot === '') {
-				return false;
-			}
-			$webRoot = parse_url($webRoot, PHP_URL_PATH);
-			$webRoot = rtrim($webRoot, '/');
-		} else {
-			$webRoot = !empty(\OC::$WEBROOT) ? \OC::$WEBROOT : '/';
-		}
-
-		$setupHelper = new \OC\Setup($config, \OC::$server->getIniWrapper(),
-			\OC::$server->getL10N('lib'), \OC::$server->getThemingDefaults(), \OC::$server->getLogger(),
-			\OC::$server->getSecureRandom());
-
-		$htaccessContent = file_get_contents($setupHelper->pathToHtaccess());
-		$content = "#### DO NOT CHANGE ANYTHING ABOVE THIS LINE ####\n";
-		$htaccessContent = explode($content, $htaccessContent, 2)[0];
-
-		//custom 403 error page
-		$content.= "\nErrorDocument 403 ".$webRoot."/core/templates/403.php";
-
-		//custom 404 error page
-		$content.= "\nErrorDocument 404 ".$webRoot."/core/templates/404.php";
-
-		// Add rewrite rules if the RewriteBase is configured
-		$rewriteBase = $config->getSystemValue('htaccess.RewriteBase', '');
-		if($rewriteBase !== '') {
-			$content .= "\n<IfModule mod_rewrite.c>";
-			$content .= "\n  Options -MultiViews";
-			$content .= "\n  RewriteRule ^core/js/oc.js$ index.php [PT,E=PATH_INFO:$1]";
-			$content .= "\n  RewriteRule ^core/preview.png$ index.php [PT,E=PATH_INFO:$1]";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !\\.(css|js|svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !core/img/favicon.ico$";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/remote.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/public.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/cron.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/core/ajax/update.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/status.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs/v1.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs/v2.php";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/robots.txt";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/updater/";
-			$content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs-provider/";
-			$content .= "\n  RewriteCond %{REQUEST_URI} !^/.well-known/acme-challenge/.*";
-			$content .= "\n  RewriteRule . index.php [PT,E=PATH_INFO:$1]";
-			$content .= "\n  RewriteBase " . $rewriteBase;
-			$content .= "\n  <IfModule mod_env.c>";
-			$content .= "\n    SetEnv front_controller_active true";
-			$content .= "\n    <IfModule mod_dir.c>";
-			$content .= "\n      DirectorySlash off";
-			$content .= "\n    </IfModule>";
-			$content .= "\n  </IfModule>";
-			$content .= "\n</IfModule>";
-		}
-
-		if ($content !== '') {
-			//suppress errors in case we don't have permissions for it
-			return (bool) @file_put_contents($setupHelper->pathToHtaccess(), $htaccessContent.$content . "\n");
-		}
-
-		return false;
-	}
-
-	public static function protectDataDirectory() {
-		//Require all denied
-		$now =  date('Y-m-d H:i:s');
-		$content = "# Generated by Nextcloud on $now\n";
-		$content.= "# line below if for Apache 2.4\n";
-		$content.= "<ifModule mod_authz_core.c>\n";
-		$content.= "Require all denied\n";
-		$content.= "</ifModule>\n\n";
-		$content.= "# line below if for Apache 2.2\n";
-		$content.= "<ifModule !mod_authz_core.c>\n";
-		$content.= "deny from all\n";
-		$content.= "Satisfy All\n";
-		$content.= "</ifModule>\n\n";
-		$content.= "# section for Apache 2.2 and 2.4\n";
-		$content.= "<ifModule mod_autoindex.c>\n";
-		$content.= "IndexIgnore *\n";
-		$content.= "</ifModule>\n";
-
-		$baseDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
-		file_put_contents($baseDir . '/.htaccess', $content);
-		file_put_contents($baseDir . '/index.html', '');
-	}
-
-	/**
-	 * Return vendor from which this version was published
-	 *
-	 * @return string Get the vendor
-	 *
-	 * Copy of \OC\Updater::getVendor()
-	 */
-	private function getVendor() {
-		// this should really be a JSON file
-		require \OC::$SERVERROOT . '/version.php';
-		/** @var string $vendor */
-		return (string) $vendor;
-	}
+    /** @var \OCP\IConfig */
+    protected $config;
+    /** @var IniGetWrapper */
+    protected $iniWrapper;
+    /** @var IL10N */
+    protected $l10n;
+    /** @var \OC_Defaults */
+    protected $defaults;
+    /** @var ILogger */
+    protected $logger;
+    /** @var ISecureRandom */
+    protected $random;
+
+    /**
+     * @param IConfig $config
+     * @param IniGetWrapper $iniWrapper
+     * @param \OC_Defaults $defaults
+     */
+    function __construct(IConfig $config,
+                            IniGetWrapper $iniWrapper,
+                            IL10N $l10n,
+                            \OC_Defaults $defaults,
+                            ILogger $logger,
+                            ISecureRandom $random
+        ) {
+        $this->config = $config;
+        $this->iniWrapper = $iniWrapper;
+        $this->l10n = $l10n;
+        $this->defaults = $defaults;
+        $this->logger = $logger;
+        $this->random = $random;
+    }
+
+    static $dbSetupClasses = array(
+        'mysql' => '\OC\Setup\MySQL',
+        'pgsql' => '\OC\Setup\PostgreSQL',
+        'oci'   => '\OC\Setup\OCI',
+        'sqlite' => '\OC\Setup\Sqlite',
+        'sqlite3' => '\OC\Setup\Sqlite',
+    );
+
+    /**
+     * Wrapper around the "class_exists" PHP function to be able to mock it
+     * @param string $name
+     * @return bool
+     */
+    protected function class_exists($name) {
+        return class_exists($name);
+    }
+
+    /**
+     * Wrapper around the "is_callable" PHP function to be able to mock it
+     * @param string $name
+     * @return bool
+     */
+    protected function is_callable($name) {
+        return is_callable($name);
+    }
+
+    /**
+     * Wrapper around \PDO::getAvailableDrivers
+     *
+     * @return array
+     */
+    protected function getAvailableDbDriversForPdo() {
+        return \PDO::getAvailableDrivers();
+    }
+
+    /**
+     * Get the available and supported databases of this instance
+     *
+     * @param bool $allowAllDatabases
+     * @return array
+     * @throws Exception
+     */
+    public function getSupportedDatabases($allowAllDatabases = false) {
+        $availableDatabases = array(
+            'sqlite' =>  array(
+                'type' => 'pdo',
+                'call' => 'sqlite',
+                'name' => 'SQLite'
+            ),
+            'mysql' => array(
+                'type' => 'pdo',
+                'call' => 'mysql',
+                'name' => 'MySQL/MariaDB'
+            ),
+            'pgsql' => array(
+                'type' => 'pdo',
+                'call' => 'pgsql',
+                'name' => 'PostgreSQL'
+            ),
+            'oci' => array(
+                'type' => 'function',
+                'call' => 'oci_connect',
+                'name' => 'Oracle'
+            )
+        );
+        if ($allowAllDatabases) {
+            $configuredDatabases = array_keys($availableDatabases);
+        } else {
+            $configuredDatabases = $this->config->getSystemValue('supportedDatabases',
+                array('sqlite', 'mysql', 'pgsql'));
+        }
+        if(!is_array($configuredDatabases)) {
+            throw new Exception('Supported databases are not properly configured.');
+        }
+
+        $supportedDatabases = array();
+
+        foreach($configuredDatabases as $database) {
+            if(array_key_exists($database, $availableDatabases)) {
+                $working = false;
+                $type = $availableDatabases[$database]['type'];
+                $call = $availableDatabases[$database]['call'];
+
+                if ($type === 'function') {
+                    $working = $this->is_callable($call);
+                } elseif($type === 'pdo') {
+                    $working = in_array($call, $this->getAvailableDbDriversForPdo(), TRUE);
+                }
+                if($working) {
+                    $supportedDatabases[$database] = $availableDatabases[$database]['name'];
+                }
+            }
+        }
+
+        return $supportedDatabases;
+    }
+
+    /**
+     * Gathers system information like database type and does
+     * a few system checks.
+     *
+     * @return array of system info, including an "errors" value
+     * in case of errors/warnings
+     */
+    public function getSystemInfo($allowAllDatabases = false) {
+        $databases = $this->getSupportedDatabases($allowAllDatabases);
+
+        $dataDir = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data');
+
+        $errors = array();
+
+        // Create data directory to test whether the .htaccess works
+        // Notice that this is not necessarily the same data directory as the one
+        // that will effectively be used.
+        if(!file_exists($dataDir)) {
+            @mkdir($dataDir);
+        }
+        $htAccessWorking = true;
+        if (is_dir($dataDir) && is_writable($dataDir)) {
+            // Protect data directory here, so we can test if the protection is working
+            \OC\Setup::protectDataDirectory();
+
+            try {
+                $util = new \OC_Util();
+                $htAccessWorking = $util->isHtaccessWorking(\OC::$server->getConfig());
+            } catch (\OC\HintException $e) {
+                $errors[] = array(
+                    'error' => $e->getMessage(),
+                    'hint' => $e->getHint()
+                );
+                $htAccessWorking = false;
+            }
+        }
+
+        if (\OC_Util::runningOnMac()) {
+            $errors[] = array(
+                'error' => $this->l10n->t(
+                    'Mac OS X is not supported and %s will not work properly on this platform. ' .
+                    'Use it at your own risk! ',
+                    $this->defaults->getName()
+                ),
+                'hint' => $this->l10n->t('For the best results, please consider using a GNU/Linux server instead.')
+            );
+        }
+
+        if($this->iniWrapper->getString('open_basedir') !== '' && PHP_INT_SIZE === 4) {
+            $errors[] = array(
+                'error' => $this->l10n->t(
+                    'It seems that this %s instance is running on a 32-bit PHP environment and the open_basedir has been configured in php.ini. ' .
+                    'This will lead to problems with files over 4 GB and is highly discouraged.',
+                    $this->defaults->getName()
+                ),
+                'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to 64-bit PHP.')
+            );
+        }
+
+        return array(
+            'hasSQLite' => isset($databases['sqlite']),
+            'hasMySQL' => isset($databases['mysql']),
+            'hasPostgreSQL' => isset($databases['pgsql']),
+            'hasOracle' => isset($databases['oci']),
+            'databases' => $databases,
+            'directory' => $dataDir,
+            'htaccessWorking' => $htAccessWorking,
+            'errors' => $errors,
+        );
+    }
+
+    /**
+     * @param $options
+     * @return array
+     */
+    public function install($options) {
+        $l = $this->l10n;
+
+        $error = array();
+        $dbType = $options['dbtype'];
+
+        if(empty($options['adminlogin'])) {
+            $error[] = $l->t('Set an admin username.');
+        }
+        if(empty($options['adminpass'])) {
+            $error[] = $l->t('Set an admin password.');
+        }
+        if(empty($options['directory'])) {
+            $options['directory'] = \OC::$SERVERROOT."/data";
+        }
+
+        if (!isset(self::$dbSetupClasses[$dbType])) {
+            $dbType = 'sqlite';
+        }
+
+        $username = htmlspecialchars_decode($options['adminlogin']);
+        $password = htmlspecialchars_decode($options['adminpass']);
+        $dataDir = htmlspecialchars_decode($options['directory']);
+
+        $class = self::$dbSetupClasses[$dbType];
+        /** @var \OC\Setup\AbstractDatabase $dbSetup */
+        $dbSetup = new $class($l, 'db_structure.xml', $this->config,
+            $this->logger, $this->random);
+        $error = array_merge($error, $dbSetup->validate($options));
+
+        // validate the data directory
+        if (
+            (!is_dir($dataDir) and !mkdir($dataDir)) or
+            !is_writable($dataDir)
+        ) {
+            $error[] = $l->t("Can't create or write into the data directory %s", array($dataDir));
+        }
+
+        if(count($error) != 0) {
+            return $error;
+        }
+
+        $request = \OC::$server->getRequest();
+
+        //no errors, good
+        if(isset($options['trusted_domains'])
+            && is_array($options['trusted_domains'])) {
+            $trustedDomains = $options['trusted_domains'];
+        } else {
+            $trustedDomains = [$request->getInsecureServerHost()];
+        }
+
+        //use sqlite3 when available, otherwise sqlite2 will be used.
+        if($dbType=='sqlite' and class_exists('SQLite3')) {
+            $dbType='sqlite3';
+        }
+
+        //generate a random salt that is used to salt the local user passwords
+        $salt = $this->random->generate(30);
+        // generate a secret
+        $secret = $this->random->generate(48);
+
+        //write the config file
+        $this->config->setSystemValues([
+            'passwordsalt'		=> $salt,
+            'secret'			=> $secret,
+            'trusted_domains'	=> $trustedDomains,
+            'datadirectory'		=> $dataDir,
+            'overwrite.cli.url'	=> $request->getServerProtocol() . '://' . $request->getInsecureServerHost() . \OC::$WEBROOT,
+            'dbtype'			=> $dbType,
+            'version'			=> implode('.', \OCP\Util::getVersion()),
+        ]);
+
+        try {
+            $dbSetup->initialize($options);
+            $dbSetup->setupDatabase($username);
+        } catch (\OC\DatabaseSetupException $e) {
+            $error[] = array(
+                'error' => $e->getMessage(),
+                'hint' => $e->getHint()
+            );
+            return($error);
+        } catch (Exception $e) {
+            $error[] = array(
+                'error' => 'Error while trying to create admin user: ' . $e->getMessage(),
+                'hint' => ''
+            );
+            return($error);
+        }
+
+        //create the user and group
+        $user =  null;
+        try {
+            $user = \OC::$server->getUserManager()->createUser($username, $password);
+            if (!$user) {
+                $error[] = "User <$username> could not be created.";
+            }
+        } catch(Exception $exception) {
+            $error[] = $exception->getMessage();
+        }
+
+        if(count($error) == 0) {
+            $config = \OC::$server->getConfig();
+            $config->setAppValue('core', 'installedat', microtime(true));
+            $config->setAppValue('core', 'lastupdatedat', microtime(true));
+            $config->setAppValue('core', 'vendor', $this->getVendor());
+
+            $group =\OC::$server->getGroupManager()->createGroup('admin');
+            $group->addUser($user);
+
+            //guess what this does
+            Installer::installShippedApps();
+
+            // create empty file in data dir, so we can later find
+            // out that this is indeed an ownCloud data directory
+            file_put_contents($config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').'/.ocdata', '');
+
+            // Update .htaccess files
+            Setup::updateHtaccess();
+            Setup::protectDataDirectory();
+
+            self::installBackgroundJobs();
+
+            //and we are done
+            $config->setSystemValue('installed', true);
+
+            // Create a session token for the newly created user
+            // The token provider requires a working db, so it's not injected on setup
+            /* @var $userSession User\Session */
+            $userSession = \OC::$server->getUserSession();
+            $defaultTokenProvider = \OC::$server->query('OC\Authentication\Token\DefaultTokenProvider');
+            $userSession->setTokenProvider($defaultTokenProvider);
+            $userSession->login($username, $password);
+            $userSession->createSessionToken($request, $userSession->getUser()->getUID(), $username, $password);
+        }
+
+        return $error;
+    }
+
+    public static function installBackgroundJobs() {
+        \OC::$server->getJobList()->add('\OC\Authentication\Token\DefaultTokenCleanupJob');
+    }
+
+    /**
+     * @return string Absolute path to htaccess
+     */
+    private function pathToHtaccess() {
+        return \OC::$SERVERROOT.'/.htaccess';
+    }
+
+    /**
+     * Append the correct ErrorDocument path for Apache hosts
+     * @return bool True when success, False otherwise
+     */
+    public static function updateHtaccess() {
+        $config = \OC::$server->getConfig();
+
+        // For CLI read the value from overwrite.cli.url
+        if(\OC::$CLI) {
+            $webRoot = $config->getSystemValue('overwrite.cli.url', '');
+            if($webRoot === '') {
+                return false;
+            }
+            $webRoot = parse_url($webRoot, PHP_URL_PATH);
+            $webRoot = rtrim($webRoot, '/');
+        } else {
+            $webRoot = !empty(\OC::$WEBROOT) ? \OC::$WEBROOT : '/';
+        }
+
+        $setupHelper = new \OC\Setup($config, \OC::$server->getIniWrapper(),
+            \OC::$server->getL10N('lib'), \OC::$server->getThemingDefaults(), \OC::$server->getLogger(),
+            \OC::$server->getSecureRandom());
+
+        $htaccessContent = file_get_contents($setupHelper->pathToHtaccess());
+        $content = "#### DO NOT CHANGE ANYTHING ABOVE THIS LINE ####\n";
+        $htaccessContent = explode($content, $htaccessContent, 2)[0];
+
+        //custom 403 error page
+        $content.= "\nErrorDocument 403 ".$webRoot."/core/templates/403.php";
+
+        //custom 404 error page
+        $content.= "\nErrorDocument 404 ".$webRoot."/core/templates/404.php";
+
+        // Add rewrite rules if the RewriteBase is configured
+        $rewriteBase = $config->getSystemValue('htaccess.RewriteBase', '');
+        if($rewriteBase !== '') {
+            $content .= "\n<IfModule mod_rewrite.c>";
+            $content .= "\n  Options -MultiViews";
+            $content .= "\n  RewriteRule ^core/js/oc.js$ index.php [PT,E=PATH_INFO:$1]";
+            $content .= "\n  RewriteRule ^core/preview.png$ index.php [PT,E=PATH_INFO:$1]";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !\\.(css|js|svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !core/img/favicon.ico$";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/remote.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/public.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/cron.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/core/ajax/update.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/status.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs/v1.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs/v2.php";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/robots.txt";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/updater/";
+            $content .= "\n  RewriteCond %{REQUEST_FILENAME} !/ocs-provider/";
+            $content .= "\n  RewriteCond %{REQUEST_URI} !^/.well-known/acme-challenge/.*";
+            $content .= "\n  RewriteRule . index.php [PT,E=PATH_INFO:$1]";
+            $content .= "\n  RewriteBase " . $rewriteBase;
+            $content .= "\n  <IfModule mod_env.c>";
+            $content .= "\n    SetEnv front_controller_active true";
+            $content .= "\n    <IfModule mod_dir.c>";
+            $content .= "\n      DirectorySlash off";
+            $content .= "\n    </IfModule>";
+            $content .= "\n  </IfModule>";
+            $content .= "\n</IfModule>";
+        }
+
+        if ($content !== '') {
+            //suppress errors in case we don't have permissions for it
+            return (bool) @file_put_contents($setupHelper->pathToHtaccess(), $htaccessContent.$content . "\n");
+        }
+
+        return false;
+    }
+
+    public static function protectDataDirectory() {
+        //Require all denied
+        $now =  date('Y-m-d H:i:s');
+        $content = "# Generated by Nextcloud on $now\n";
+        $content.= "# line below if for Apache 2.4\n";
+        $content.= "<ifModule mod_authz_core.c>\n";
+        $content.= "Require all denied\n";
+        $content.= "</ifModule>\n\n";
+        $content.= "# line below if for Apache 2.2\n";
+        $content.= "<ifModule !mod_authz_core.c>\n";
+        $content.= "deny from all\n";
+        $content.= "Satisfy All\n";
+        $content.= "</ifModule>\n\n";
+        $content.= "# section for Apache 2.2 and 2.4\n";
+        $content.= "<ifModule mod_autoindex.c>\n";
+        $content.= "IndexIgnore *\n";
+        $content.= "</ifModule>\n";
+
+        $baseDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
+        file_put_contents($baseDir . '/.htaccess', $content);
+        file_put_contents($baseDir . '/index.html', '');
+    }
+
+    /**
+     * Return vendor from which this version was published
+     *
+     * @return string Get the vendor
+     *
+     * Copy of \OC\Updater::getVendor()
+     */
+    private function getVendor() {
+        // this should really be a JSON file
+        require \OC::$SERVERROOT . '/version.php';
+        /** @var string $vendor */
+        return (string) $vendor;
+    }
 }