From 8bfd49dafbfe7ca51175dfe9be3cff922a451ca1 Mon Sep 17 00:00:00 2001
From: Ilja Neumann <ineumann@owncloud.com>
Date: Fri, 11 May 2018 14:27:01 +0200
Subject: [PATCH] - Ignore files which are deleted from disk - Show user to
 which the scanned file belongs

---
 apps/files/lib/Command/VerifyChecksums.php    | 24 +++++++++++++++----
 .../tests/Command/VerifyChecksumsTest.php     |  6 ++---
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/apps/files/lib/Command/VerifyChecksums.php b/apps/files/lib/Command/VerifyChecksums.php
index 88757e24351b..b248fc912ea9 100644
--- a/apps/files/lib/Command/VerifyChecksums.php
+++ b/apps/files/lib/Command/VerifyChecksums.php
@@ -49,7 +49,6 @@ class VerifyChecksums extends Command {
 	 * @var IRootFolder
 	 */
 	private $rootFolder;
-
 	/**
 	 * @var IUserManager
 	 */
@@ -94,19 +93,24 @@ public function execute(InputInterface $input, OutputInterface $output) {
 		$walkFunction = function (Node $node) use ($input, $output) {
 			$path = $node->getInternalPath();
 			$currentChecksums = $node->getChecksum();
+			$owner = $node->getOwner()->getUID();
+
+			if (!self::fileExistsOnDisk($node)) {
+				$output->writeln("Skipping $owner/$path => File is in file-cache but doesn`t exist on storage/disk", OutputInterface::VERBOSITY_VERBOSE);
+				return;
+			}
 
 			// Files without calculated checksum can't cause checksum errors
 			if (empty($currentChecksums)) {
-				$output->writeln("Skipping $path => No Checksum", OutputInterface::VERBOSITY_VERBOSE);
+				$output->writeln("Skipping $owner/$path => No Checksum", OutputInterface::VERBOSITY_VERBOSE);
 				return;
 			}
 
-			$output->writeln("Checking $path => $currentChecksums", OutputInterface::VERBOSITY_VERBOSE);
+			$output->writeln("Checking $owner/$path => $currentChecksums", OutputInterface::VERBOSITY_VERBOSE);
 			$actualChecksums = self::calculateActualChecksums($path, $node->getStorage());
-
 			if ($actualChecksums !== $currentChecksums) {
 				$output->writeln(
-					"<info>Mismatch for $path:\n Filecache:\t$currentChecksums\n Actual:\t$actualChecksums</info>"
+					"<info>Mismatch for $owner/$path:\n Filecache:\t$currentChecksums\n Actual:\t$actualChecksums</info>"
 				);
 
 				$this->exitStatus = self::EXIT_CHECKSUM_ERRORS;
@@ -178,6 +182,16 @@ private function updateChecksumsForNode(Node $node, $correctChecksum) {
 		);
 	}
 
+	/**
+	 *
+	 * @param Node $node
+	 * @return bool
+	 */
+	private static function fileExistsOnDisk(Node $node) {
+		$statResult = $node->stat();
+		return \is_array($statResult) && isset($statResult['size']) && $statResult['size'] !== false;
+	}
+
 	/**
 	 * @param $path
 	 * @param IStorage $storage
diff --git a/apps/files/tests/Command/VerifyChecksumsTest.php b/apps/files/tests/Command/VerifyChecksumsTest.php
index e6f178433360..ecb919834a23 100644
--- a/apps/files/tests/Command/VerifyChecksumsTest.php
+++ b/apps/files/tests/Command/VerifyChecksumsTest.php
@@ -90,7 +90,7 @@ private function createFileForUser($uid, $path, $content) {
 			if (!empty($subDir)) {
 				$currentDir = "$currentDir/$subDir";
 				if (!$userFolder->nodeExists($currentDir)) {
-					$userFolder->newFolder("$currentDir");
+					$userFolder->newFolder($currentDir);
 				}
 			}
 		}
@@ -189,8 +189,8 @@ public function testFilesWithBrokenChecksumsAreDisplayed() {
 
 		$output = $this->cmd->getDisplay();
 
-		$this->assertContains("Mismatch for {$file1->getInternalPath()}", $output);
-		$this->assertContains("Mismatch for {$file2->getInternalPath()}", $output);
+		$this->assertContains($file1->getInternalPath(), $output);
+		$this->assertContains($file2->getInternalPath(), $output);
 		$this->assertContains(self::BROKEN_CHECKSUM_STRING, $output);
 		$this->assertContains($this->testFiles[4]['expectedChecksums'](), $output);
 		$this->assertContains($this->testFiles[7]['expectedChecksums'](), $output);