From f97a61aa1421359c76062d0cbce9f59af302dc6b Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Wed, 3 Jun 2020 09:29:19 +0200
Subject: [PATCH] Prevent harder to share your root

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 lib/private/Share20/Manager.php   | 4 +---
 tests/lib/Share20/ManagerTest.php | 6 ++++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/private/Share20/Manager.php b/lib/private/Share20/Manager.php
index 73860fd39f4..111de519bfc 100644
--- a/lib/private/Share20/Manager.php
+++ b/lib/private/Share20/Manager.php
@@ -278,12 +278,10 @@ class Manager implements IManager {
 		// And you can't share your rootfolder
 		if ($this->userManager->userExists($share->getSharedBy())) {
 			$userFolder = $this->rootFolder->getUserFolder($share->getSharedBy());
-			$userFolderPath = $userFolder->getPath();
 		} else {
 			$userFolder = $this->rootFolder->getUserFolder($share->getShareOwner());
-			$userFolderPath = $userFolder->getPath();
 		}
-		if ($userFolderPath === $share->getNode()->getPath()) {
+		if ($userFolder->getId() === $share->getNode()->getId()) {
 			throw new \InvalidArgumentException('You can’t share your root folder');
 		}
 
diff --git a/tests/lib/Share20/ManagerTest.php b/tests/lib/Share20/ManagerTest.php
index 9bc1531ac7f..476413b67ad 100644
--- a/tests/lib/Share20/ManagerTest.php
+++ b/tests/lib/Share20/ManagerTest.php
@@ -647,7 +647,7 @@ class ManagerTest extends \Test\TestCase {
 		$rootFolder = $this->createMock(Folder::class);
 		$rootFolder->method('isShareable')->willReturn(true);
 		$rootFolder->method('getPermissions')->willReturn(\OCP\Constants::PERMISSION_ALL);
-		$rootFolder->method('getPath')->willReturn('myrootfolder');
+		$rootFolder->method('getId')->willReturn(42);
 
 		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_USER,  $rootFolder, $user2, $user0, $user0, 30, null, null), 'You can’t share your root folder', true];
 		$data[] = [$this->createShare(null, \OCP\Share::SHARE_TYPE_GROUP, $rootFolder, $group0, $user0, $user0, 2, null, null), 'You can’t share your root folder', true];
@@ -707,7 +707,9 @@ class ManagerTest extends \Test\TestCase {
 		]));
 
 		$userFolder = $this->createMock(Folder::class);
-		$userFolder->method('getPath')->willReturn('myrootfolder');
+		$userFolder->expects($this->any())
+			->method('getId')
+			->willReturn(42);
 		$userFolder->expects($this->any())
 			->method('getRelativePath')
 			->willReturnArgument(0);
-- 
2.39.5