[Pkg-owncloud-commits] [owncloud] 01/83: Cherry-pick of 5d671a8 onto stable5.

David Prévot taffit at moszumanska.debian.org
Wed Dec 18 13:05:23 UTC 2013


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taffit pushed a commit to branch 5.0
in repository owncloud.

commit e01efd3887400ab26341260de48c23cc27a6eb82
Author: Andreas Fischer <bantu at owncloud.com>
Date:   Mon Sep 23 07:13:12 2013 -0700

    Cherry-pick of 5d671a8 onto stable5.
    
    recreate an etag within the scanner if the cache contains an empty etag
    
    Conflicts:
    	lib/files/cache/cache.php
    	tests/lib/files/cache/scanner.php
---
 lib/files/cache/cache.php         |  4 +++-
 lib/files/cache/scanner.php       | 23 ++++++++++++++++++-
 tests/lib/files/cache/scanner.php | 47 ++++++++++++++++++++++++++++++---------
 3 files changed, 62 insertions(+), 12 deletions(-)

diff --git a/lib/files/cache/cache.php b/lib/files/cache/cache.php
index 76e1ee9..cb48ab4 100644
--- a/lib/files/cache/cache.php
+++ b/lib/files/cache/cache.php
@@ -210,7 +210,6 @@ class Cache {
 			$data['path'] = $file;
 			$data['parent'] = $this->getParentId($file);
 			$data['name'] = basename($file);
-			$data['encrypted'] = isset($data['encrypted']) ? ((int)$data['encrypted']) : 0;
 
 			list($queryParts, $params) = $this->buildParts($data);
 			$queryParts[] = '`storage`';
@@ -272,6 +271,9 @@ class Cache {
 					$params[] = $this->getMimetypeId(substr($value, 0, strpos($value, '/')));
 					$queryParts[] = '`mimepart`';
 					$value = $this->getMimetypeId($value);
+				} elseif ($name === 'encrypted') {
+					// Boolean to integer conversion
+					$value = $value ? 1 : 0;
 				}
 				$params[] = $value;
 				$queryParts[] = '`' . $name . '`';
diff --git a/lib/files/cache/scanner.php b/lib/files/cache/scanner.php
index d99bd6e..a87d98e 100644
--- a/lib/files/cache/scanner.php
+++ b/lib/files/cache/scanner.php
@@ -96,13 +96,34 @@ class Scanner extends BasicEmitter {
 				}
 				$newData = $data;
 				if ($reuseExisting and $cacheData = $this->cache->get($file)) {
+					// prevent empty etag
+					$etag = $cacheData['etag'];
+					$propagateETagChange = false;
+					if (empty($etag)) {
+						$etag = $data['etag'];
+						$propagateETagChange = true;
+					}
+
 					// only reuse data if the file hasn't explicitly changed
 					if (isset($data['mtime']) && isset($cacheData['mtime']) && $data['mtime'] === $cacheData['mtime']) {
 						if (($reuseExisting & self::REUSE_SIZE) && ($data['size'] === -1)) {
 							$data['size'] = $cacheData['size'];
 						}
 						if ($reuseExisting & self::REUSE_ETAG) {
-							$data['etag'] = $cacheData['etag'];
+							$data['etag'] = $etag;
+							if ($propagateETagChange) {
+								$parent = $file;
+								while ($parent !== '') {
+									$parent = dirname($parent);
+									if ($parent === '.') {
+										$parent = '';
+									}
+									$parentCacheData = $this->cache->get($parent);
+									$this->cache->update($parentCacheData['fileid'], array(
+										'etag' => $this->storage->getETag($parent),
+									));
+								}
+							}
 						}
 					}
 					// Only update metadata that has changed
diff --git a/tests/lib/files/cache/scanner.php b/tests/lib/files/cache/scanner.php
index 916ac44..3f3a045 100644
--- a/tests/lib/files/cache/scanner.php
+++ b/tests/lib/files/cache/scanner.php
@@ -24,6 +24,21 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 	 */
 	private $cache;
 
+	function setUp() {
+		$this->storage = new \OC\Files\Storage\Temporary(array());
+		$this->scanner = new \OC\Files\Cache\Scanner($this->storage);
+		$this->cache = new \OC\Files\Cache\Cache($this->storage);
+	}
+
+	function tearDown() {
+		if ($this->cache) {
+			$ids = $this->cache->getAll();
+			$permissionsCache = $this->storage->getPermissionsCache();
+			$permissionsCache->removeMultiple($ids, \OC_User::getUser());
+			$this->cache->clear();
+		}
+	}
+
 	function testFile() {
 		$data = "dummy file data\n";
 		$this->storage->file_put_contents('foo.txt', $data);
@@ -194,16 +209,28 @@ class Scanner extends \PHPUnit_Framework_TestCase {
 		$this->assertFalse($this->cache->inCache('folder/bar.txt'));
 	}
 
-	function setUp() {
-		$this->storage = new \OC\Files\Storage\Temporary(array());
-		$this->scanner = new \OC\Files\Cache\Scanner($this->storage);
-		$this->cache = new \OC\Files\Cache\Cache($this->storage);
-	}
+	public function testETagRecreation() {
+		$this->fillTestFolders();
 
-	function tearDown() {
-		$ids = $this->cache->getAll();
-		$permissionsCache = $this->storage->getPermissionsCache();
-		$permissionsCache->removeMultiple($ids, \OC_User::getUser());
-		$this->cache->clear();
+		$this->scanner->scan('folder/bar.txt');
+
+		// manipulate etag to simulate an empty etag
+		$this->scanner->scan('', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG);
+		$data0 = $this->cache->get('folder/bar.txt');
+		$data1 = $this->cache->get('folder');
+		$data2 = $this->cache->get('');
+		$data0['etag'] = '';
+		$this->cache->put('folder/bar.txt', $data0);
+
+		// rescan
+		$this->scanner->scan('folder/bar.txt', \OC\Files\Cache\Scanner::SCAN_SHALLOW, \OC\Files\Cache\Scanner::REUSE_ETAG);
+
+		// verify cache content
+		$newData0 = $this->cache->get('folder/bar.txt');
+		$newData1 = $this->cache->get('folder');
+		$newData2 = $this->cache->get('');
+		$this->assertNotEmpty($newData0['etag']);
+		$this->assertNotEquals($data1['etag'], $newData1['etag']);
+		$this->assertNotEquals($data2['etag'], $newData2['etag']);
 	}
 }

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