Check if open_basedir is set

The file:// protocol does not work with curl when an open_basedir is set.

This fixes https://github.com/owncloud/core/issues/12016

core/setup/controller.php

@@ -9,13 +9,21 @@
 
 namespace OC\Core\Setup;
 
+use bantu\IniGetWrapper\IniGetWrapper;
 use OCP\IConfig;
+use OCP\IL10N;
 
 class Controller {
 	/**
 	 * @var \OCP\IConfig
 	 */
 	protected $config;
+	/** @var IniGetWrapper */
+	protected $iniWrapper;
+	/** @var IL10N */
+	protected $l10n;
+	/** @var \OC_Defaults */
+	protected $defaults;
 
 	/**
 	 * @var string
@@ -24,12 +32,24 @@ class Controller {
 
 	/**
 	 * @param IConfig $config
+	 * @param IniGetWrapper $iniWrapper
+	 * @param IL10N $l10n
+	 * @param \OC_Defaults $defaults
 	 */
-	function __construct(IConfig $config) {
+	function __construct(IConfig $config,
+						 IniGetWrapper $iniWrapper,
+						 IL10N $l10n,
+						 \OC_Defaults $defaults) {
 		$this->autoConfigFile = \OC::$SERVERROOT.'/config/autoconfig.php';
 		$this->config = $config;
+		$this->iniWrapper = $iniWrapper;
+		$this->l10n = $l10n;
+		$this->defaults = $defaults;
 	}
 
+	/**
+	 * @param $post
+	 */
 	public function run($post) {
 		// Check for autosetup:
 		$post = $this->loadAutoConfig($post);
@@ -138,16 +158,36 @@ class Controller {
 			}
 		}
 
+
 		if (\OC_Util::runningOnMac()) {
-			$l10n = \OC::$server->getL10N('core');
-			$theme = new \OC_Defaults();
 			$errors[] = array(
-				'error' => $l10n->t(
+				'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! ',
-					$theme->getName()
+					$this->defaults->getName()
 				),
-				'hint' => $l10n->t('For the best results, please consider using a GNU/Linux server instead.')
+				'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 32bit PHP environment and the open_basedir has been configured in php.ini. ' .
+					'This will lead to problems with files over 4GB and is highly discouraged.',
+					$this->defaults->getName()
+				),
+				'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to  64bit PHP.')
+			);
+		}
+		if(!function_exists('curl_init') && PHP_INT_SIZE === 4) {
+			$errors[] = array(
+				'error' => $this->l10n->t(
+					'It seems that this %s instance is running on a 32bit PHP environment and cURL is not installed. ' .
+					'This will lead to problems with files over 4GB and is highly discouraged.',
+					$this->defaults->getName()
+				),
+				'hint' => $this->l10n->t('Please install the cURL extension and restart your webserver.')
 			);
 		}
 

lib/base.php

@@ -717,7 +717,7 @@ class OC {
 		// Check if ownCloud is installed or in maintenance (update) mode
 		if (!$systemConfig->getValue('installed', false)) {
 			\OC::$server->getSession()->clear();
-			$controller = new OC\Core\Setup\Controller(\OC::$server->getConfig());
+			$controller = new OC\Core\Setup\Controller(\OC::$server->getConfig(), \OC::$server->getIniWrapper(), \OC::$server->getL10N('core'), new \OC_Defaults());
 			$controller->run($_POST);
 			exit();
 		}

lib/private/largefilehelper.php

@@ -100,7 +100,7 @@ class LargeFileHelper {
 	*                        null on failure.
 	*/
 	public function getFileSizeViaCurl($filename) {
-		if (function_exists('curl_init')) {
+		if (function_exists('curl_init') && \OC::$server->getIniWrapper()->getString('open_basedir') === '') {
 			$fencoded = rawurlencode($filename);
 			$ch = curl_init("file://$fencoded");
 			curl_setopt($ch, CURLOPT_NOBODY, true);

lib/private/server.php

@@ -286,7 +286,7 @@ class Server extends SimpleContainer implements IServerContainer {
 			return new \OC\Files\Config\MountProviderCollection($loader);
 		});
 		$this->registerService('IniWrapper', function ($c) {
-						return new IniGetWrapper();
+			return new IniGetWrapper();
 		});
 	}
 
@@ -730,9 +730,9 @@ class Server extends SimpleContainer implements IServerContainer {
 	/**
 	 * Get the IniWrapper
 	 *
-	 * @return \bantu\IniGetWrapper\IniGetWrapper
+	 * @return IniGetWrapper
 	 */
 	public function getIniWrapper() {
-			return $this->query('IniWrapper');
+		return $this->query('IniWrapper');
 	}
 }

tests/lib/largefilehelpergetfilesize.php

@@ -13,6 +13,10 @@ namespace Test;
 * Large files are not considered yet.
 */
 class LargeFileHelperGetFileSize extends TestCase {
+	/** @var string */
+	protected $filename;
+	/** @var int */
+	protected $fileSize;
 	/** @var \OC\LargeFileHelper */
 	protected $helper;
 
@@ -41,6 +45,11 @@ class LargeFileHelperGetFileSize extends TestCase {
 				'The PHP curl extension is required for this test.'
 			);
 		}
+		if (\OC::$server->getIniWrapper()->getString('open_basedir') !== '') {
+			$this->markTestSkipped(
+				'The PHP curl extension does not work with the file:// protocol when open_basedir is enabled.'
+			);
+		}
 		$this->assertSame(
 			$fileSize,
 			$this->helper->getFileSizeViaCurl($filename)