remove synced remote address book if the remote server revoked access to his system address book

3 files changed, 27 insertions, 6 deletions

diff --git a/apps/dav/appinfo/application.php b/apps/dav/appinfo/application.php
index 7a201e1dd78..ea9e1ad8f7c 100644
--- a/apps/dav/appinfo/application.php
+++ b/apps/dav/appinfo/application.php
@@ -69,7 +69,8 @@ class Application extends App {
 			/** @var IAppContainer $c */
 			return new SyncService(
 				$c->query('CardDavBackend'),
-				$c->getServer()->getUserManager()
+				$c->getServer()->getUserManager(),
+				$c->getServer()->getLogger()
 			);
 		});
 
diff --git a/apps/dav/lib/carddav/syncservice.php b/apps/dav/lib/carddav/syncservice.php
index 4b5907620e6..2e7397fc70b 100644
--- a/apps/dav/lib/carddav/syncservice.php
+++ b/apps/dav/lib/carddav/syncservice.php
@@ -21,11 +21,14 @@
 
 namespace OCA\DAV\CardDAV;
 
+use OCP\AppFramework\Http;
+use OCP\ILogger;
 use OCP\IUser;
 use OCP\IUserManager;
 use Sabre\DAV\Client;
 use Sabre\DAV\Xml\Response\MultiStatus;
 use Sabre\DAV\Xml\Service;
+use Sabre\HTTP\ClientHttpException;
 use Sabre\VObject\Reader;
 
 class SyncService {
@@ -36,12 +39,16 @@ class SyncService {
 	/** @var IUserManager */
 	private $userManager;
 
+	/** @var ILogger */
+	private $logger;
+
 	/** @var array */
 	private $localSystemAddressBook;
 
-	public function __construct(CardDavBackend $backend, IUserManager $userManager) {
+	public function __construct(CardDavBackend $backend, IUserManager $userManager, ILogger $logger) {
 		$this->backend = $backend;
 		$this->userManager = $userManager;
+		$this->logger = $logger;
 	}
 
 	/**
@@ -53,6 +60,7 @@ class SyncService {
 	 * @param string $targetPrincipal
 	 * @param array $targetProperties
 	 * @return string
+	 * @throws \Exception
 	 */
 	public function syncRemoteAddressBook($url, $userName, $sharedSecret, $syncToken, $targetBookId, $targetPrincipal, $targetProperties) {
 		// 1. create addressbook
@@ -60,7 +68,16 @@ class SyncService {
 		$addressBookId = $book['id'];
 
 		// 2. query changes
-		$response = $this->requestSyncReport($url, $userName, $sharedSecret, $syncToken);
+		try {
+			$response = $this->requestSyncReport($url, $userName, $sharedSecret, $syncToken);
+		} catch (ClientHttpException $ex) {
+			if ($ex->getCode() === Http::STATUS_UNAUTHORIZED) {
+				// remote server revoked access to the address book, remove it
+				$this->backend->deleteAddressBook($addressBookId);
+				$this->logger->info('Authorization failed, remove address book: ' . $url, ['app' => 'dav']);
+				throw $ex;
+			}
+		}
 
 		// 3. apply changes
 		// TODO: use multi-get for download
diff --git a/apps/dav/tests/unit/carddav/syncservicetest.php b/apps/dav/tests/unit/carddav/syncservicetest.php
index a6af98f7e8c..7652afdc225 100644
--- a/apps/dav/tests/unit/carddav/syncservicetest.php
+++ b/apps/dav/tests/unit/carddav/syncservicetest.php
@@ -68,13 +68,15 @@ class SyncServiceTest extends TestCase {
 
 		/** @var IUserManager $userManager */
 		$userManager = $this->getMockBuilder('OCP\IUserManager')->disableOriginalConstructor()->getMock();
-		$ss = new SyncService($backend, $userManager);
+		$logger = $this->getMockBuilder('OCP\ILogger')->disableOriginalConstructor()->getMock();
+		$ss = new SyncService($backend, $userManager, $logger);
 		$book = $ss->ensureSystemAddressBookExists('principals/users/adam', 'contacts', []);
 	}
 
 	public function testUpdateAndDeleteUser() {
 		/** @var CardDavBackend | \PHPUnit_Framework_MockObject_MockObject $backend */
 		$backend = $this->getMockBuilder('OCA\DAV\CardDAV\CardDAVBackend')->disableOriginalConstructor()->getMock();
+		$logger = $this->getMockBuilder('OCP\ILogger')->disableOriginalConstructor()->getMock();
 
 		$backend->expects($this->once())->method('createCard');
 		$backend->expects($this->once())->method('updateCard');
@@ -92,7 +94,7 @@ class SyncServiceTest extends TestCase {
 		$user->method('getBackendClassName')->willReturn('unittest');
 		$user->method('getUID')->willReturn('test-user');
 
-		$ss = new SyncService($backend, $userManager);
+		$ss = new SyncService($backend, $userManager, $logger);
 		$ss->updateUser($user);
 
 		$user->method('getDisplayName')->willReturn('A test user for unit testing');
@@ -123,8 +125,9 @@ class SyncServiceTest extends TestCase {
 	 */
 	private function getSyncServiceMock($backend, $response) {
 		$userManager = $this->getMockBuilder('OCP\IUserManager')->disableOriginalConstructor()->getMock();
+		$logger = $this->getMockBuilder('OCP\ILogger')->disableOriginalConstructor()->getMock();
 		/** @var SyncService | \PHPUnit_Framework_MockObject_MockObject $ss */
-		$ss = $this->getMock('OCA\DAV\CardDAV\SyncService', ['ensureSystemAddressBookExists', 'requestSyncReport', 'download'], [$backend, $userManager]);
+		$ss = $this->getMock('OCA\DAV\CardDAV\SyncService', ['ensureSystemAddressBookExists', 'requestSyncReport', 'download'], [$backend, $userManager, $logger]);
 		$ss->method('requestSyncReport')->withAnyParameters()->willReturn(['response' => $response, 'token' => 'sync-token-1']);
 		$ss->method('ensureSystemAddressBookExists')->willReturn(['id' => 1]);
 		$ss->method('download')->willReturn([