From 63bbbf29f4b8fc49faf8aafd7ebf27a12e892a06 Mon Sep 17 00:00:00 2001
From: Vincent Petry <pvince81@owncloud.com>
Date: Fri, 29 Apr 2016 12:42:37 +0200
Subject: [PATCH] Add wrapper for NFD encoding workaround
---
apps/files_trashbin/lib/Storage.php | 2 +-
.../Files/Storage/Wrapper/Encoding.php | 568 ++++++++++++++++++
lib/private/legacy/util.php | 9 +
tests/lib/files/storage/wrapper/Encoding.php | 154 +++++
4 files changed, 732 insertions(+), 1 deletion(-)
create mode 100644 lib/private/Files/Storage/Wrapper/Encoding.php
create mode 100644 tests/lib/files/storage/wrapper/Encoding.php
diff --git a/apps/files_trashbin/lib/Storage.php b/apps/files_trashbin/lib/Storage.php
index c4c523810ac..b621c511db7 100644
--- a/apps/files_trashbin/lib/Storage.php
+++ b/apps/files_trashbin/lib/Storage.php
@@ -150,7 +150,7 @@ class Storage extends Wrapper {
return false;
}
- $normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
+ $normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path, true, false, true);
$result = true;
$view = Filesystem::getView();
if (!isset($this->deletedFiles[$normalized]) && $view instanceof View) {
diff --git a/lib/private/Files/Storage/Wrapper/Encoding.php b/lib/private/Files/Storage/Wrapper/Encoding.php
new file mode 100644
index 00000000000..0696f97368e
--- /dev/null
+++ b/lib/private/Files/Storage/Wrapper/Encoding.php
@@ -0,0 +1,568 @@
+<?php
+/**
+ * @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\Files\Storage\Wrapper;
+
+use OCP\ICache;
+use OC\Cache\CappedMemoryCache;
+
+/**
+ * Encoding wrapper that deals with file names that use unsupported encodings like NFD.
+ *
+ * When applied and a UTF-8 path name was given, the wrapper will first attempt to access
+ * the actual given name and then try its NFD form.
+ */
+class Encoding extends Wrapper {
+
+ /**
+ * @var ICache
+ */
+ private $namesCache;
+
+ /**
+ * @param array $parameters
+ */
+ public function __construct($parameters) {
+ $this->storage = $parameters['storage'];
+ $this->namesCache = new CappedMemoryCache();
+ }
+
+ /**
+ * Returns whether the given string is only made of ASCII characters
+ *
+ * @param string $str string
+ *
+ * @return bool true if the string is all ASCII, false otherwise
+ */
+ private function isAscii($str) {
+ foreach (str_split($str) as $s) {
+ if (ord($s) > 127) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Checks whether the given path exists in NFC or NFD form after checking
+ * each form for each path section and returns the correct form.
+ * If no existing path found, returns the path as it was given.
+ *
+ * @param string $fullPath path to check
+ *
+ * @return string original or converted path
+ */
+ private function findPathToUse($fullPath) {
+ $cachedPath = $this->namesCache[$fullPath];
+ if ($cachedPath !== null) {
+ return $cachedPath;
+ }
+
+ $sections = explode('/', $fullPath);
+ $path = '';
+ foreach ($sections as $section) {
+ $path .= $section;
+ $convertedPath = $this->findPathToUseLastSection($path);
+ if ($convertedPath === null) {
+ // no point in continuing if the section was not found, use original path
+ return $fullPath;
+ }
+ $path = $convertedPath . '/';
+ }
+ $path = rtrim($path, '/');
+ $this->namesCache[$fullPath] = $path;
+ return $path;
+ }
+
+ /**
+ * Checks whether the last path section of the given path exists in NFC or NFD form
+ * and returns the correct form. If no existing path found, returns null.
+ *
+ * @param string $fullPath path to check
+ *
+ * @return string|null original or converted path, or null if none of the forms was found
+ */
+ private function findPathToUseLastSection($fullPath) {
+ $cachedPath = $this->namesCache[$fullPath];
+ if ($cachedPath !== null) {
+ return $cachedPath;
+ }
+
+ $sections = explode('/', $fullPath);
+ $lastSection = array_pop($sections);
+ $basePath = ltrim(implode('/', $sections) . '/', '/');
+
+ if ($lastSection === '' || $this->isAscii($lastSection)) {
+ $this->namesCache[$fullPath] = $fullPath;
+ return $fullPath;
+ }
+
+ $result = $this->storage->file_exists($fullPath);
+ if ($result) {
+ $this->namesCache[$fullPath] = $fullPath;
+ return $fullPath;
+ }
+ // swap encoding
+ if (\Normalizer::isNormalized($lastSection, \Normalizer::FORM_C)) {
+ $otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_D);
+ } else {
+ $otherFormPath = \Normalizer::normalize($lastSection, \Normalizer::FORM_C);
+ }
+ if ($this->storage->file_exists($basePath . $otherFormPath)) {
+ $this->namesCache[$fullPath] = $basePath . $otherFormPath;
+ return $basePath . $otherFormPath;
+ }
+
+ // return original path, file did not exist at all
+ $this->namesCache[$fullPath] = $fullPath;
+ return null;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.mkdir.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function mkdir($path) {
+ // note: no conversion here, method should not be called with non-NFC names!
+ $result = $this->storage->mkdir($path);
+ if ($result) {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.rmdir.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function rmdir($path) {
+ $result = $this->storage->rmdir($this->findPathToUse($path));
+ if ($result) {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.opendir.php
+ *
+ * @param string $path
+ * @return resource
+ */
+ public function opendir($path) {
+ return $this->storage->opendir($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.is_dir.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function is_dir($path) {
+ return $this->storage->is_dir($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.is_file.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function is_file($path) {
+ return $this->storage->is_file($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.stat.php
+ * only the following keys are required in the result: size and mtime
+ *
+ * @param string $path
+ * @return array
+ */
+ public function stat($path) {
+ return $this->storage->stat($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.filetype.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function filetype($path) {
+ return $this->storage->filetype($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.filesize.php
+ * The result for filesize when called on a folder is required to be 0
+ *
+ * @param string $path
+ * @return int
+ */
+ public function filesize($path) {
+ return $this->storage->filesize($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file can be created in $path
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function isCreatable($path) {
+ return $this->storage->isCreatable($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file can be read
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function isReadable($path) {
+ return $this->storage->isReadable($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file can be written to
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function isUpdatable($path) {
+ return $this->storage->isUpdatable($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file can be deleted
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function isDeletable($path) {
+ return $this->storage->isDeletable($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file can be shared
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function isSharable($path) {
+ return $this->storage->isSharable($this->findPathToUse($path));
+ }
+
+ /**
+ * get the full permissions of a path.
+ * Should return a combination of the PERMISSION_ constants defined in lib/public/constants.php
+ *
+ * @param string $path
+ * @return int
+ */
+ public function getPermissions($path) {
+ return $this->storage->getPermissions($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.file_exists.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function file_exists($path) {
+ return $this->storage->file_exists($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.filemtime.php
+ *
+ * @param string $path
+ * @return int
+ */
+ public function filemtime($path) {
+ return $this->storage->filemtime($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.file_get_contents.php
+ *
+ * @param string $path
+ * @return string
+ */
+ public function file_get_contents($path) {
+ return $this->storage->file_get_contents($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.file_put_contents.php
+ *
+ * @param string $path
+ * @param string $data
+ * @return bool
+ */
+ public function file_put_contents($path, $data) {
+ $result = $this->storage->file_put_contents($this->findPathToUse($path), $data);
+ if ($result) {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.unlink.php
+ *
+ * @param string $path
+ * @return bool
+ */
+ public function unlink($path) {
+ $result = $this->storage->unlink($this->findPathToUse($path));
+ if ($result) {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.rename.php
+ *
+ * @param string $path1
+ * @param string $path2
+ * @return bool
+ */
+ public function rename($path1, $path2) {
+ // second name always NFC
+ $result = $this->storage->rename($this->findPathToUse($path1), $path2);
+ if ($result) {
+ unset($this->namesCache[$path1]);
+ unset($this->namesCache[$path2]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.copy.php
+ *
+ * @param string $path1
+ * @param string $path2
+ * @return bool
+ */
+ public function copy($path1, $path2) {
+ $result = $this->storage->copy($this->findPathToUse($path1), $path2);
+ if ($result) {
+ unset($this->namesCache[$path2]);
+ }
+ return $result;
+ }
+
+ /**
+ * see http://php.net/manual/en/function.fopen.php
+ *
+ * @param string $path
+ * @param string $mode
+ * @return resource
+ */
+ public function fopen($path, $mode) {
+ $result = $this->storage->fopen($this->findPathToUse($path), $mode);
+ if ($result && $mode !== 'r' && $mode !== 'rb') {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * get the mimetype for a file or folder
+ * The mimetype for a folder is required to be "httpd/unix-directory"
+ *
+ * @param string $path
+ * @return string
+ */
+ public function getMimeType($path) {
+ return $this->storage->getMimeType($this->findPathToUse($path));
+ }
+
+ /**
+ * see http://php.net/manual/en/function.hash.php
+ *
+ * @param string $type
+ * @param string $path
+ * @param bool $raw
+ * @return string
+ */
+ public function hash($type, $path, $raw = false) {
+ return $this->storage->hash($type, $this->findPathToUse($path), $raw);
+ }
+
+ /**
+ * see http://php.net/manual/en/function.free_space.php
+ *
+ * @param string $path
+ * @return int
+ */
+ public function free_space($path) {
+ return $this->storage->free_space($this->findPathToUse($path));
+ }
+
+ /**
+ * search for occurrences of $query in file names
+ *
+ * @param string $query
+ * @return array
+ */
+ public function search($query) {
+ return $this->storage->search($query);
+ }
+
+ /**
+ * see http://php.net/manual/en/function.touch.php
+ * If the backend does not support the operation, false should be returned
+ *
+ * @param string $path
+ * @param int $mtime
+ * @return bool
+ */
+ public function touch($path, $mtime = null) {
+ $result = $this->storage->touch($this->findPathToUse($path), $mtime);
+ if ($result) {
+ unset($this->namesCache[$path]);
+ }
+ return $result;
+ }
+
+ /**
+ * get the path to a local version of the file.
+ * The local version of the file can be temporary and doesn't have to be persistent across requests
+ *
+ * @param string $path
+ * @return string
+ */
+ public function getLocalFile($path) {
+ return $this->storage->getLocalFile($this->findPathToUse($path));
+ }
+
+ /**
+ * check if a file or folder has been updated since $time
+ *
+ * @param string $path
+ * @param int $time
+ * @return bool
+ *
+ * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
+ * returning true for other changes in the folder is optional
+ */
+ public function hasUpdated($path, $time) {
+ return $this->storage->hasUpdated($this->findPathToUse($path), $time);
+ }
+
+ /**
+ * get a cache instance for the storage
+ *
+ * @param string $path
+ * @param \OC\Files\Storage\Storage (optional) the storage to pass to the cache
+ * @return \OC\Files\Cache\Cache
+ */
+ public function getCache($path = '', $storage = null) {
+ if (!$storage) {
+ $storage = $this;
+ }
+ return $this->storage->getCache($this->findPathToUse($path), $storage);
+ }
+
+ /**
+ * get a scanner instance for the storage
+ *
+ * @param string $path
+ * @param \OC\Files\Storage\Storage (optional) the storage to pass to the scanner
+ * @return \OC\Files\Cache\Scanner
+ */
+ public function getScanner($path = '', $storage = null) {
+ if (!$storage) {
+ $storage = $this;
+ }
+ return $this->storage->getScanner($this->findPathToUse($path), $storage);
+ }
+
+ /**
+ * get the ETag for a file or folder
+ *
+ * @param string $path
+ * @return string
+ */
+ public function getETag($path) {
+ return $this->storage->getETag($this->findPathToUse($path));
+ }
+
+ /**
+ * @param \OCP\Files\Storage $sourceStorage
+ * @param string $sourceInternalPath
+ * @param string $targetInternalPath
+ * @return bool
+ */
+ public function copyFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+ if ($sourceStorage === $this) {
+ return $this->copy($this->findPathToUse($sourceInternalPath), $targetInternalPath);
+ }
+
+ $result = $this->storage->copyFromStorage($sourceStorage, $this->findPathToUse($sourceInternalPath), $targetInternalPath);
+ if ($result) {
+ unset($this->namesCache[$targetInternalPath]);
+ }
+ return $result;
+ }
+
+ /**
+ * @param \OCP\Files\Storage $sourceStorage
+ * @param string $sourceInternalPath
+ * @param string $targetInternalPath
+ * @return bool
+ */
+ public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
+ if ($sourceStorage === $this) {
+ $result = $this->rename($this->findPathToUse($sourceInternalPath), $targetInternalPath);
+ if ($result) {
+ unset($this->namesCache[$sourceInternalPath]);
+ unset($this->namesCache[$targetInternalPath]);
+ }
+ return $result;
+ }
+
+ $result = $this->storage->moveFromStorage($sourceStorage, $this->findPathToUse($sourceInternalPath), $targetInternalPath);
+ if ($result) {
+ unset($this->namesCache[$sourceInternalPath]);
+ unset($this->namesCache[$targetInternalPath]);
+ }
+ return $result;
+ }
+
+ /**
+ * @param string $path
+ * @return array
+ */
+ public function getMetaData($path) {
+ return $this->storage->getMetaData($this->findPathToUse($path));
+ }
+}
diff --git a/lib/private/legacy/util.php b/lib/private/legacy/util.php
index 4f7a8668dfc..4196aa6637c 100644
--- a/lib/private/legacy/util.php
+++ b/lib/private/legacy/util.php
@@ -172,6 +172,15 @@ class OC_Util {
return $storage;
});
+ // install storage availability wrapper, before most other wrappers
+ \OC\Files\Filesystem::addStorageWrapper('oc_encoding', function ($mountPoint, $storage) {
+ // TODO: only do this opt-in if the mount option is specified
+ if (!$storage->instanceOfStorage('\OC\Files\Storage\Shared') && !$storage->isLocal()) {
+ return new \OC\Files\Storage\Wrapper\Encoding(['storage' => $storage]);
+ }
+ return $storage;
+ });
+
\OC\Files\Filesystem::addStorageWrapper('oc_quota', function ($mountPoint, $storage) {
// set up quota for home storages, even for other users
// which can happen when using sharing
diff --git a/tests/lib/files/storage/wrapper/Encoding.php b/tests/lib/files/storage/wrapper/Encoding.php
new file mode 100644
index 00000000000..db0dfa66652
--- /dev/null
+++ b/tests/lib/files/storage/wrapper/Encoding.php
@@ -0,0 +1,154 @@
+<?php
+/**
+ * Copyright (c) 2016 Vincent Petry <pvince81@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Files\Storage\Wrapper;
+
+class Encoding extends \Test\Files\Storage\Storage {
+
+ const NFD_NAME = 'ümlaut';
+ const NFC_NAME = 'ümlaut';
+
+ /**
+ * @var \OC\Files\Storage\Temporary
+ */
+ private $sourceStorage;
+
+ public function setUp() {
+ parent::setUp();
+ $this->sourceStorage = new \OC\Files\Storage\Temporary([]);
+ $this->instance = new \OC\Files\Storage\Wrapper\Encoding([
+ 'storage' => $this->sourceStorage
+ ]);
+ }
+
+ public function tearDown() {
+ $this->sourceStorage->cleanUp();
+ parent::tearDown();
+ }
+
+ public function directoryProvider() {
+ $a = parent::directoryProvider();
+ $a[] = [self::NFD_NAME];
+ return $a;
+ }
+
+ public function fileNameProvider() {
+ $a = parent::fileNameProvider();
+ $a[] = [self::NFD_NAME . '.txt'];
+ return $a;
+ }
+
+ public function copyAndMoveProvider() {
+ $a = parent::copyAndMoveProvider();
+ $a[] = [self::NFD_NAME . '.txt', self::NFC_NAME . '-renamed.txt'];
+ return $a;
+ }
+
+ public function accessNameProvider() {
+ return [
+ [self::NFD_NAME],
+ [self::NFC_NAME],
+ ];
+ }
+
+ /**
+ * @dataProvider accessNameProvider
+ */
+ public function testFputEncoding($accessName) {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'bar');
+ $this->assertEquals('bar', $this->instance->file_get_contents($accessName));
+ }
+
+ /**
+ * @dataProvider accessNameProvider
+ */
+ public function testFopenReadEncoding($accessName) {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'bar');
+ $fh = $this->instance->fopen($accessName, 'r');
+ $data = fgets($fh);
+ fclose($fh);
+ $this->assertEquals('bar', $data);
+ }
+
+ /**
+ * @dataProvider accessNameProvider
+ */
+ public function testFopenOverwriteEncoding($accessName) {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'bar');
+ $fh = $this->instance->fopen($accessName, 'w');
+ $data = fputs($fh, 'test');
+ fclose($fh);
+ $data = $this->sourceStorage->file_get_contents(self::NFD_NAME);
+ $this->assertEquals('test', $data);
+ $this->assertFalse($this->sourceStorage->file_exists(self::NFC_NAME));
+ }
+
+ /**
+ * @dataProvider accessNameProvider
+ */
+ public function testFileExistsEncoding($accessName) {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'bar');
+ $this->assertTrue($this->instance->file_exists($accessName));
+ }
+
+ /**
+ * @dataProvider accessNameProvider
+ */
+ public function testUnlinkEncoding($accessName) {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'bar');
+ $this->assertTrue($this->instance->unlink($accessName));
+ $this->assertFalse($this->sourceStorage->file_exists(self::NFC_NAME));
+ $this->assertFalse($this->sourceStorage->file_exists(self::NFD_NAME));
+ }
+
+ public function testNfcHigherPriority() {
+ $this->sourceStorage->file_put_contents(self::NFC_NAME, 'nfc');
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'nfd');
+ $this->assertEquals('nfc', $this->instance->file_get_contents(self::NFC_NAME));
+ }
+
+ public function encodedDirectoriesProvider() {
+ return [
+ [self::NFD_NAME, self::NFC_NAME],
+ [self::NFD_NAME . '/' . self::NFD_NAME, self::NFC_NAME . '/' . self::NFC_NAME],
+ [self::NFD_NAME . '/' . self::NFC_NAME . '/' .self::NFD_NAME, self::NFC_NAME . '/' . self::NFC_NAME . '/' . self::NFC_NAME],
+ ];
+ }
+
+ /**
+ * @dataProvider encodedDirectoriesProvider
+ */
+ public function testOperationInsideDirectory($sourceDir, $accessDir) {
+ $this->sourceStorage->mkdir($sourceDir);
+ $this->instance->file_put_contents($accessDir . '/test.txt', 'bar');
+ $this->assertTrue($this->instance->file_exists($accessDir . '/test.txt'));
+ $this->assertEquals('bar', $this->instance->file_get_contents($accessDir . '/test.txt'));
+
+ $this->sourceStorage->file_put_contents($sourceDir . '/' . self::NFD_NAME, 'foo');
+ $this->assertTrue($this->instance->file_exists($accessDir . '/' . self::NFC_NAME));
+ $this->assertEquals('foo', $this->instance->file_get_contents($accessDir . '/' . self::NFC_NAME));
+
+ // try again to make it use cached path
+ $this->assertEquals('bar', $this->instance->file_get_contents($accessDir . '/test.txt'));
+ $this->assertTrue($this->instance->file_exists($accessDir . '/test.txt'));
+ $this->assertEquals('foo', $this->instance->file_get_contents($accessDir . '/' . self::NFC_NAME));
+ $this->assertTrue($this->instance->file_exists($accessDir . '/' . self::NFC_NAME));
+ }
+
+ public function testCacheExtraSlash() {
+ $this->sourceStorage->file_put_contents(self::NFD_NAME, 'foo');
+ $this->assertEquals(3, $this->instance->file_put_contents(self::NFC_NAME, 'bar'));
+ $this->assertEquals('bar', $this->instance->file_get_contents(self::NFC_NAME));
+ clearstatcache();
+ $this->assertEquals(5, $this->instance->file_put_contents('/' . self::NFC_NAME, 'baric'));
+ $this->assertEquals('baric', $this->instance->file_get_contents(self::NFC_NAME));
+ clearstatcache();
+ $this->assertEquals(8, $this->instance->file_put_contents('/' . self::NFC_NAME, 'barbaric'));
+ $this->assertEquals('barbaric', $this->instance->file_get_contents('//' . self::NFC_NAME));
+ }
+}
--
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