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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Administrator "Administrator@WINDOWS-2012"
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Brice Maron <brice@bmaron.net>
* @author Christoph Wurst <christoph@owncloud.com>
* @author Frank Isemann <frank@isemann.name>
* @author François Kubler <francois@kubler.org>
* @author Jakob Sack <mail@jakobsack.de>
* @author Joas Schilling <coding@schilljs.com>
* @author KB7777 <k.burkowski@gmail.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robert Scheck <robert@fedoraproject.org>
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Sean Comeau <sean@ftlnetworks.ca>
* @author Serge Martin <edb@sigluy.net>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC;
use bantu\IniGetWrapper\IniGetWrapper;
use Exception;
use OC\App\AppStore\Bundles\BundleFetcher;
use OC\Authentication\Token\DefaultTokenCleanupJob;
use OC\Authentication\Token\DefaultTokenProvider;
use OC\Log\Rotate;
use OCP\Defaults;
use OCP\IL10N;
use OCP\ILogger;
use OCP\Security\ISecureRandom;
class Setup {
/** @var SystemConfig */
protected $config;
/** @var IniGetWrapper */
protected $iniWrapper;
/** @var IL10N */
protected $l10n;
/** @var Defaults */
protected $defaults;
/** @var ILogger */
protected $logger;
/** @var ISecureRandom */
protected $random;
/** @var Installer */
protected $installer;
/**
* @param SystemConfig $config
* @param IniGetWrapper $iniWrapper
* @param IL10N $l10n
* @param Defaults $defaults
* @param ILogger $logger
* @param ISecureRandom $random
* @param Installer $installer
*/
public function __construct(SystemConfig $config,
IniGetWrapper $iniWrapper,
IL10N $l10n,
Defaults $defaults,
ILogger $logger,
ISecureRandom $random,
Installer $installer
) {
$this->config = $config;
$this->iniWrapper = $iniWrapper;
$this->l10n = $l10n;
$this->defaults = $defaults;
$this->logger = $logger;
$this->random = $random;
$this->installer = $installer;
}
static protected $dbSetupClasses = [
'mysql' => \OC\Setup\MySQL::class,
'pgsql' => \OC\Setup\PostgreSQL::class,
'oci' => \OC\Setup\OCI::class,
'sqlite' => \OC\Setup\Sqlite::class,
'sqlite3' => \OC\Setup\Sqlite::class,
];
/**
* 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) {
$availableDatabases = [
'sqlite' => [
'type' => 'pdo',
'call' => 'sqlite',
'name' => 'SQLite',
],
'mysql' => [
'type' => 'pdo',
'call' => 'mysql',
'name' => 'MySQL/MariaDB',
],
'pgsql' => [
'type' => 'pdo',
'call' => 'pgsql',
'name' => 'PostgreSQL',
],
'oci' => [
'type' => 'function',
'call' => 'oci_connect',
'name' => 'Oracle',
],
];
if ($allowAllDatabases) {
$configuredDatabases = array_keys($availableDatabases);
} else {
$configuredDatabases = $this->config->getValue('supportedDatabases',
['sqlite', 'mysql', 'pgsql']);
}
if(!is_array($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 = $this->config->getValue('datadirectory', \OC::$SERVERROOT.'/data');
$errors = [];
// Create data directory to test whether the .htaccess works
// Notice that this is not necessarily the same data directory as the one
// that will effectively be used.
if(!file_exists($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
self::protectDataDirectory();
try {
$util = new \OC_Util();
$htAccessWorking = $util->isHtaccessWorking(\OC::$server->getConfig());
} catch (\OC\HintException $e) {
$errors[] = [
'error' => $e->getMessage(),
'hint' => $e->getHint(),
];
$htAccessWorking = false;
}
}
if (\OC_Util::runningOnMac()) {
$errors[] = [
'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[] = [
'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, $this->config, $this->logger, $this->random);
$error = array_merge($error, $dbSetup->validate($options));
// validate the data directory
if ((!is_dir($dataDir) && !mkdir($dataDir)) || !is_writable($dataDir)) {
$error[] = $l->t("Can't create or write into the data directory %s", array($dataDir));
}
if (!empty($error)) {
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' && 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->setValues([
'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);
// apply necessary migrations
$dbSetup->runMigrations();
} catch (\OC\DatabaseSetupException $e) {
$error[] = [
'error' => $e->getMessage(),
'hint' => $e->getHint(),
];
return $error;
} catch (Exception $e) {
$error[] = [
'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[] = $exception->getMessage();
}
if (empty($error)) {
$config = \OC::$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);
// Install shipped apps and specified app bundles
Installer::installShippedApps();
$bundleFetcher = new BundleFetcher(\OC::$server->getL10N('lib'));
$defaultInstallationBundles = $bundleFetcher->getDefaultInstallationBundle();
foreach($defaultInstallationBundles as $bundle) {
try {
$this->installer->installAppBundle($bundle);
} catch (Exception $e) {}
}
// create empty file in data dir, so we can later find
// out that this is indeed an ownCloud data directory
file_put_contents($config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').'/.ocdata', '');
// Update .htaccess files
self::updateHtaccess();
self::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(DefaultTokenProvider::class);
$userSession->setTokenProvider($defaultTokenProvider);
$userSession->login($username, $password);
$userSession->createSessionToken($request, $userSession->getUser()->getUID(), $username, $password);
}
return $error;
}
public static function installBackgroundJobs() {
$jobList = \OC::$server->getJobList();
$jobList->add(DefaultTokenCleanupJob::class);
$jobList->add(Rotate::class);
}
/**
* @return string Absolute path to htaccess
*/
private function pathToHtaccess() {
return \OC::$SERVERROOT.'/.htaccess';
}
/**
* Append the correct ErrorDocument path for Apache hosts
* @return bool True when success, False otherwise
*/
public static function updateHtaccess() {
$config = \OC::$server->getSystemConfig();
// For CLI read the value from overwrite.cli.url
if(\OC::$CLI) {
$webRoot = $config->getValue('overwrite.cli.url', '');
if($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->query(Defaults::class),
\OC::$server->getLogger(),
\OC::$server->getSecureRandom(),
\OC::$server->query(Installer::class)
);
$htaccessContent = file_get_contents($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."/";
//custom 404 error page
$content.= "\nErrorDocument 404 ".$webRoot."/";
// Add rewrite rules if the RewriteBase is configured
$rewriteBase = $config->getValue('htaccess.RewriteBase', '');
if($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]";
$content .= "\n RewriteCond %{REQUEST_FILENAME} !\\.(css|js|svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$";
$content .= "\n RewriteCond %{REQUEST_FILENAME} !core/img/favicon.ico$";
$content .= "\n RewriteCond %{REQUEST_FILENAME} !core/img/manifest.json$";
$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|pki-validation)/.*";
$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;
}
}