Merge pull request #11825 from owncloud/fix_rename_files_in_shared_folder

move versions if a file was renamed in a shared folder

3 files changed, 177 insertions, 13 deletions

diff --git a/apps/files_versions/lib/hooks.php b/apps/files_versions/lib/hooks.php
index 1a584232ba7..53980463120 100644
--- a/apps/files_versions/lib/hooks.php
+++ b/apps/files_versions/lib/hooks.php
@@ -16,12 +16,14 @@ class Hooks {
 
 	public static function connectHooks() {
 		// Listen to write signals
-		\OCP\Util::connectHook('OC_Filesystem', 'write', "OCA\Files_Versions\Hooks", "write_hook");
+		\OCP\Util::connectHook('OC_Filesystem', 'write', 'OCA\Files_Versions\Hooks', 'write_hook');
 		// Listen to delete and rename signals
-		\OCP\Util::connectHook('OC_Filesystem', 'post_delete', "OCA\Files_Versions\Hooks", "remove_hook");
-		\OCP\Util::connectHook('OC_Filesystem', 'delete', "OCA\Files_Versions\Hooks", "pre_remove_hook");
-		\OCP\Util::connectHook('OC_Filesystem', 'rename', "OCA\Files_Versions\Hooks", "rename_hook");
-		\OCP\Util::connectHook('OC_Filesystem', 'copy', "OCA\Files_Versions\Hooks", "copy_hook");
+		\OCP\Util::connectHook('OC_Filesystem', 'post_delete', 'OCA\Files_Versions\Hooks', 'remove_hook');
+		\OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Versions\Hooks', 'pre_remove_hook');
+		\OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OCA\Files_Versions\Hooks', 'rename_hook');
+		\OCP\Util::connectHook('OC_Filesystem', 'post_copy', 'OCA\Files_Versions\Hooks', 'copy_hook');
+		\OCP\Util::connectHook('OC_Filesystem', 'rename', 'OCA\Files_Versions\Hooks', 'pre_renameOrCopy_hook');
+		\OCP\Util::connectHook('OC_Filesystem', 'copy', 'OCA\Files_Versions\Hooks', 'pre_renameOrCopy_hook');
 	}
 
 	/**
@@ -102,4 +104,35 @@ class Hooks {
 		}
 	}
 
+	/**
+	 * Remember owner and the owner path of the source file.
+	 * If the file already exists, then it was a upload of a existing file
+	 * over the web interface and we call Storage::store() directly
+	 *
+	 * @param array $params array with oldpath and newpath
+	 *
+	 */
+	public static function pre_renameOrCopy_hook($params) {
+		if (\OCP\App::isEnabled('files_versions')) {
+
+			// if we rename a movable mount point, then the versions don't have
+			// to be renamed
+			$absOldPath = \OC\Files\Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files' . $params['oldpath']);
+			$manager = \OC\Files\Filesystem::getMountManager();
+			$mount = $manager->find($absOldPath);
+			$internalPath = $mount->getInternalPath($absOldPath);
+			if ($internalPath === '' and $mount instanceof \OC\Files\Mount\MoveableMount) {
+				return;
+			}
+
+			$view = new \OC\Files\View(\OCP\User::getUser() . '/files');
+			if ($view->file_exists($params['newpath'])) {
+				Storage::store($params['newpath']);
+			} else {
+				Storage::setSourcePathAndUser($params['oldpath']);
+			}
+
+		}
+	}
+
 }
diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index bdb26896948..82e0ecc3e2f 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -24,6 +24,8 @@ class Storage {
 	// files for which we can remove the versions after the delete operation was successful
 	private static $deletedFiles = array();
 
+	private static $sourcePathAndUser = array();
+
 	private static $max_versions_per_interval = array(
 		//first 10sec, one version every 2sec
 		1 => array('intervalEndsAfter' => 10,      'step' => 2),
@@ -51,6 +53,34 @@ class Storage {
 	}
 
 	/**
+	 * Remember the owner and the owner path of the source file
+	 *
+	 * @param string $source source path
+	 */
+	public static function setSourcePathAndUser($source) {
+		list($uid, $path) = self::getUidAndFilename($source);
+		self::$sourcePathAndUser[$source] = array('uid' => $uid, 'path' => $path);
+	}
+
+	/**
+	 * Gets the owner and the owner path from the source path
+	 *
+	 * @param string $source source path
+	 * @return array with user id and path
+	 */
+	public static function getSourcePathAndUser($source) {
+
+		if (isset(self::$sourcePathAndUser[$source])) {
+			$uid = self::$sourcePathAndUser[$source]['uid'];
+			$path = self::$sourcePathAndUser[$source]['path'];
+			unset(self::$sourcePathAndUser[$source]);
+		} else {
+			$uid = $path = false;
+		}
+		return array($uid, $path);
+	}
+
+	/**
 	 * get current size of all versions from a given user
 	 *
 	 * @param string $user user who owns the versions
@@ -180,16 +210,20 @@ class Storage {
 	 * @param string $operation can be 'copy' or 'rename'
 	 */
 	public static function renameOrCopy($old_path, $new_path, $operation) {
-		list($uid, $oldpath) = self::getUidAndFilename($old_path);
+		list($uid, $oldpath) = self::getSourcePathAndUser($old_path);
+
+		// it was a upload of a existing file if no old path exists
+		// in this case the pre-hook already called the store method and we can
+		// stop here
+		if ($oldpath === false) {
+			return true;
+		}
+
 		list($uidn, $newpath) = self::getUidAndFilename($new_path);
 		$versions_view = new \OC\Files\View('/'.$uid .'/files_versions');
 		$files_view = new \OC\Files\View('/'.$uid .'/files');
 
-		// if the file already exists than it was a upload of a existing file
-		// over the web interface -> store() is the right function we need here
-		if ($files_view->file_exists($newpath)) {
-			return self::store($new_path);
-		}
+
 
 		if ( $files_view->is_dir($oldpath) && $versions_view->is_dir($oldpath) ) {
 			$versions_view->$operation($oldpath, $newpath);
diff --git a/apps/files_versions/tests/versions.php b/apps/files_versions/tests/versions.php
index 4909d0606b1..a3b8595a34b 100644
--- a/apps/files_versions/tests/versions.php
+++ b/apps/files_versions/tests/versions.php
@@ -30,6 +30,7 @@ require_once __DIR__ . '/../lib/versions.php';
 class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
 
 	const TEST_VERSIONS_USER = 'test-versions-user';
+	const TEST_VERSIONS_USER2 = 'test-versions-user2';
 	const USERS_VERSIONS_ROOT = '/test-versions-user/files_versions';
 
 	/**
@@ -38,13 +39,22 @@ class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
 	private $rootView;
 
 	public static function setUpBeforeClass() {
+
+		// clear share hooks
+		\OC_Hook::clear('OCP\\Share');
+		\OC::registerShareHooks();
+		\OCA\Files_Versions\Hooks::connectHooks();
+		\OCP\Util::connectHook('OC_Filesystem', 'setup', '\OC\Files\Storage\Shared', 'setup');
+
 		// create test user
+		self::loginHelper(self::TEST_VERSIONS_USER2, true);
 		self::loginHelper(self::TEST_VERSIONS_USER, true);
 	}
 
 	public static function tearDownAfterClass() {
 		// cleanup test user
 		\OC_User::deleteUser(self::TEST_VERSIONS_USER);
+		\OC_User::deleteUser(self::TEST_VERSIONS_USER2);
 	}
 
 	function setUp() {
@@ -225,7 +235,7 @@ class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
 		$this->rootView->file_put_contents($v2, 'version2');
 
 		// execute rename hook of versions app
-		\OCA\Files_Versions\Storage::renameOrCopy("test.txt", "test2.txt", 'rename');
+		\OC\Files\Filesystem::rename("test.txt", "test2.txt");
 
 		$this->assertFalse($this->rootView->file_exists($v1));
 		$this->assertFalse($this->rootView->file_exists($v2));
@@ -237,6 +247,93 @@ class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
 		\OC\Files\Filesystem::unlink('test2.txt');
 	}
 
+	function testRenameInSharedFolder() {
+
+		\OC\Files\Filesystem::mkdir('folder1');
+		\OC\Files\Filesystem::mkdir('folder1/folder2');
+		\OC\Files\Filesystem::file_put_contents("folder1/test.txt", "test file");
+
+		$fileInfo = \OC\Files\Filesystem::getFileInfo('folder1');
+
+		$t1 = time();
+		// second version is two weeks older, this way we make sure that no
+		// version will be expired
+		$t2 = $t1 - 60 * 60 * 24 * 14;
+
+		$this->rootView->mkdir(self::USERS_VERSIONS_ROOT . '/folder1');
+		// create some versions
+		$v1 = self::USERS_VERSIONS_ROOT . '/folder1/test.txt.v' . $t1;
+		$v2 = self::USERS_VERSIONS_ROOT . '/folder1/test.txt.v' . $t2;
+		$v1Renamed = self::USERS_VERSIONS_ROOT . '/folder1/folder2/test.txt.v' . $t1;
+		$v2Renamed = self::USERS_VERSIONS_ROOT . '/folder1/folder2/test.txt.v' . $t2;
+
+		$this->rootView->file_put_contents($v1, 'version1');
+		$this->rootView->file_put_contents($v2, 'version2');
+
+		\OCP\Share::shareItem('folder', $fileInfo['fileid'], \OCP\Share::SHARE_TYPE_USER, self::TEST_VERSIONS_USER2, OCP\PERMISSION_ALL);
+
+		self::loginHelper(self::TEST_VERSIONS_USER2);
+
+		$this->assertTrue(\OC\Files\Filesystem::file_exists('folder1/test.txt'));
+
+		// execute rename hook of versions app
+		\OC\Files\Filesystem::rename('/folder1/test.txt', '/folder1/folder2/test.txt');
+
+		self::loginHelper(self::TEST_VERSIONS_USER2);
+
+		$this->assertFalse($this->rootView->file_exists($v1));
+		$this->assertFalse($this->rootView->file_exists($v2));
+
+		$this->assertTrue($this->rootView->file_exists($v1Renamed));
+		$this->assertTrue($this->rootView->file_exists($v2Renamed));
+
+		//cleanup
+		\OC\Files\Filesystem::unlink('/folder1/folder2/test.txt');
+	}
+
+	function testRenameSharedFile() {
+
+		\OC\Files\Filesystem::file_put_contents("test.txt", "test file");
+
+		$fileInfo = \OC\Files\Filesystem::getFileInfo('test.txt');
+
+		$t1 = time();
+		// second version is two weeks older, this way we make sure that no
+		// version will be expired
+		$t2 = $t1 - 60 * 60 * 24 * 14;
+
+		$this->rootView->mkdir(self::USERS_VERSIONS_ROOT);
+		// create some versions
+		$v1 = self::USERS_VERSIONS_ROOT . '/test.txt.v' . $t1;
+		$v2 = self::USERS_VERSIONS_ROOT . '/test.txt.v' . $t2;
+		// the renamed versions should not exist! Because we only moved the mount point!
+		$v1Renamed = self::USERS_VERSIONS_ROOT . '/test2.txt.v' . $t1;
+		$v2Renamed = self::USERS_VERSIONS_ROOT . '/test2.txt.v' . $t2;
+
+		$this->rootView->file_put_contents($v1, 'version1');
+		$this->rootView->file_put_contents($v2, 'version2');
+
+		\OCP\Share::shareItem('file', $fileInfo['fileid'], \OCP\Share::SHARE_TYPE_USER, self::TEST_VERSIONS_USER2, OCP\PERMISSION_ALL);
+
+		self::loginHelper(self::TEST_VERSIONS_USER2);
+
+		$this->assertTrue(\OC\Files\Filesystem::file_exists('test.txt'));
+
+		// execute rename hook of versions app
+		\OC\Files\Filesystem::rename('test.txt', 'test2.txt');
+
+		self::loginHelper(self::TEST_VERSIONS_USER);
+
+		$this->assertTrue($this->rootView->file_exists($v1));
+		$this->assertTrue($this->rootView->file_exists($v2));
+
+		$this->assertFalse($this->rootView->file_exists($v1Renamed));
+		$this->assertFalse($this->rootView->file_exists($v2Renamed));
+
+		//cleanup
+		\OC\Files\Filesystem::unlink('/test.txt');
+	}
+
 	function testCopy() {
 
 		\OC\Files\Filesystem::file_put_contents("test.txt", "test file");
@@ -256,7 +353,7 @@ class Test_Files_Versioning extends \PHPUnit_Framework_TestCase {
 		$this->rootView->file_put_contents($v2, 'version2');
 
 		// execute copy hook of versions app
-		\OCA\Files_Versions\Storage::renameOrCopy("test.txt", "test2.txt", 'copy');
+		\OC\Files\Filesystem::copy("test.txt", "test2.txt");
 
 		$this->assertTrue($this->rootView->file_exists($v1));
 		$this->assertTrue($this->rootView->file_exists($v2));