server/lib/private/setup.php
Lukas Reschke bc62aa1ef5 Exclude .htaccess modifications from code checker
After the initial installation ownCloud will write some content into the .htaccess file such as the 404 or 403 directives. This adds a magic marker into the .htaccess file and only the content above this marker will be compared in the integrity checker.
2016-01-22 11:51:54 +01:00

459 lines
13 KiB
PHP

<?php
/**
* @author Administrator <Administrator@WINDOWS-2012>
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Brice Maron <brice@bmaron.net>
* @author François Kubler <francois@kubler.org>
* @author Jakob Sack <mail@jakobsack.de>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Martin Mattel <martin.mattel@diemattels.at>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Roeland Jago Douma <rullzer@owncloud.com>
* @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>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @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 OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
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) {
$availableDatabases = array(
'sqlite' => array(
'type' => 'class',
'call' => 'SQLite3',
'name' => 'SQLite'
),
'mysql' => array(
'type' => 'pdo',
'call' => 'mysql',
'name' => 'MySQL/MariaDB'
),
'pgsql' => array(
'type' => 'function',
'call' => 'pg_connect',
'name' => 'PostgreSQL'
),
'oci' => array(
'type' => 'function',
'call' => 'oci_connect',
'name' => 'Oracle'
)
);
if ($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 === 'class') {
$working = $this->class_exists($call);
} elseif ($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');
$errors = array();
// Create data directory to test whether the .htaccess works
// Notice that this is not necessarily the same data directory as the one
// that will effectively be used.
@mkdir($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()];
}
if (\OC_Util::runningOnWindows()) {
$dataDir = rtrim(realpath($dataDir), '\\');
}
//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));
$group =\OC::$server->getGroupManager()->createGroup('admin');
$group->addUser($user);
\OC_User::login($username, $password);
//guess what this does
\OC_Installer::installShippedApps();
// create empty file in data dir, so we can later find
// out that this is indeed an ownCloud data directory
file_put_contents($config->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').'/.ocdata', '');
// Update .htaccess files
Setup::updateHtaccess();
Setup::protectDataDirectory();
//try to write logtimezone
if (date_default_timezone_get()) {
$config->setSystemValue('logtimezone', date_default_timezone_get());
}
//and we are done
$config->setSystemValue('installed', true);
}
return $error;
}
/**
* @return string Absolute path to htaccess
*/
private function pathToHtaccess() {
return \OC::$SERVERROOT.'/.htaccess';
}
/**
* Append the correct ErrorDocument path for Apache hosts
*/
public static function updateHtaccess() {
// From CLI we don't know the defined web root. Thus we can't write any
// directives into the .htaccess file.
if(\OC::$CLI) {
return;
}
$setupHelper = new \OC\Setup(\OC::$server->getConfig(), \OC::$server->getIniWrapper(),
\OC::$server->getL10N('lib'), new \OC_Defaults(), \OC::$server->getLogger(),
\OC::$server->getSecureRandom());
$htaccessContent = file_get_contents($setupHelper->pathToHtaccess());
$content = "#### DO NOT CHANGE ANYTHING ABOVE THIS LINE ####\n";
if (strpos($htaccessContent, 'ErrorDocument 403') === false) {
//custom 403 error page
$content.= "\nErrorDocument 403 ".\OC::$WEBROOT."/core/templates/403.php";
}
if (strpos($htaccessContent, 'ErrorDocument 404') === false) {
//custom 404 error page
$content.= "\nErrorDocument 404 ".\OC::$WEBROOT."/core/templates/404.php";
}
// Add rewrite base
$webRoot = !empty(\OC::$WEBROOT) ? \OC::$WEBROOT : '/';
$content.="\n<IfModule mod_rewrite.c>";
$content.="\n RewriteBase ".$webRoot;
$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
@file_put_contents($setupHelper->pathToHtaccess(), $content . "\n", FILE_APPEND);
}
}
public static function protectDataDirectory() {
//Require all denied
$now = date('Y-m-d H:i:s');
$content = "# Generated by ownCloud 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.= "IndexIgnore *\n";
$baseDir = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data');
file_put_contents($baseDir . '/.htaccess', $content);
file_put_contents($baseDir . '/index.html', '');
}
}