Generate stable etags for local files

This commit is contained in:
Robin Appelman 2014-10-24 16:07:45 +02:00
parent 9739a25547
commit 283c10f010
2 changed files with 59 additions and 21 deletions

View File

@ -90,6 +90,7 @@ if (\OC_Util::runningOnWindows()) {
}
public function stat($path) {
clearstatcache();
$fullPath = $this->datadir . $path;
$statResult = stat($fullPath);
if (PHP_INT_SIZE === 4 && !$this->is_dir($path)) {
@ -276,5 +277,25 @@ if (\OC_Util::runningOnWindows()) {
public function isLocal() {
return true;
}
/**
* get the ETag for a file or folder
*
* @param string $path
* @return string
*/
public function getETag($path) {
if ($this->is_file($path)) {
$stat = $this->stat($path);
return md5(
$stat['mtime'] .
$stat['ino'] .
$stat['dev'] .
$stat['size']
);
} else {
return parent::getETag($path);
}
}
}
}

View File

@ -1,24 +1,24 @@
<?php
/**
* ownCloud
*
* @author Robin Appelman
* @copyright 2012 Robin Appelman icewind@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
* ownCloud
*
* @author Robin Appelman
* @copyright 2012 Robin Appelman icewind@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Test\Files\Storage;
@ -27,13 +27,30 @@ class Local extends Storage {
* @var string tmpDir
*/
private $tmpDir;
public function setUp() {
$this->tmpDir=\OC_Helper::tmpFolder();
$this->instance=new \OC\Files\Storage\Local(array('datadir'=>$this->tmpDir));
$this->tmpDir = \OC_Helper::tmpFolder();
$this->instance = new \OC\Files\Storage\Local(array('datadir' => $this->tmpDir));
}
public function tearDown() {
\OC_Helper::rmdirr($this->tmpDir);
}
public function testStableEtag() {
$this->instance->file_put_contents('test.txt', 'foobar');
$etag1 = $this->instance->getETag('test.txt');
$etag2 = $this->instance->getETag('test.txt');
$this->assertEquals($etag1, $etag2);
}
public function testEtagChange() {
$this->instance->file_put_contents('test.txt', 'foo');
$this->instance->touch('test.txt', time() - 2);
$etag1 = $this->instance->getETag('test.txt');
$this->instance->file_put_contents('test.txt', 'bar');
$etag2 = $this->instance->getETag('test.txt');
$this->assertNotEquals($etag1, $etag2);
}
}