some small fixes and improvements

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

lib/private/Collaboration/Collaborators/LookupPlugin.php

@@ -30,6 +30,7 @@ use OCP\Collaboration\Collaborators\SearchResultType;
 use OCP\Federation\ICloudIdManager;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
+use OCP\ILogger;
 use OCP\IUserSession;
 use OCP\Share;
 
@@ -43,23 +44,27 @@ class LookupPlugin implements ISearchPlugin {
 	private $currentUserRemote;
 	/** @var ICloudIdManager */
 	private $cloudIdManager;
+	/** @var ILogger */
+	private $logger;
 
 	public function __construct(IConfig $config,
 								IClientService $clientService,
 								IUserSession $userSession,
-								ICloudIdManager $cloudIdManager) {
+								ICloudIdManager $cloudIdManager,
+								ILogger $logger) {
 		$this->config = $config;
 		$this->clientService = $clientService;
 		$this->cloudIdManager = $cloudIdManager;
 		$currentUserCloudId = $userSession->getUser()->getCloudId();
 		$this->currentUserRemote = $cloudIdManager->resolveCloudId($currentUserCloudId)->getRemote();
+		$this->logger = $logger;
 	}
 
 	public function search($search, $limit, $offset, ISearchResult $searchResult) {
 		$isGlobalScaleEnabled = $this->config->getSystemValue('gs.enabled', false);
-		$isLookupServerEnabled = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'no');
+		$isLookupServerEnabled = $this->config->getAppValue('files_sharing', 'lookupServerEnabled', 'no') === 'yes';
 		// if case of Global Scale we always search the lookup server
-		if ($isLookupServerEnabled !== 'yes' && !$isGlobalScaleEnabled) {
+		if (!$isLookupServerEnabled && !$isGlobalScaleEnabled) {
 			return false;
 		}
 
@@ -80,8 +85,16 @@ class LookupPlugin implements ISearchPlugin {
 			$body = json_decode($response->getBody(), true);
 
 			foreach ($body as $lookup) {
-				$remote = $this->cloudIdManager->resolveCloudId($lookup['federationId'])->getRemote();
+				try {
-				if ($this->currentUserRemote === $remote) continue;
+					$remote = $this->cloudIdManager->resolveCloudId($lookup['federationId'])->getRemote();
+				} catch (\Exception $e) {
+					$this->logger->error('Can not parse federated cloud ID "' .  $lookup['federationId'] . '"');
+					$this->logger->error($e->getMessage());
+					continue;
+				}
+				if ($this->currentUserRemote === $remote) {
+					continue;
+				}
 				$name = isset($lookup['name']['value']) ? $lookup['name']['value'] : '';
 				$label = empty($name) ? $lookup['federationId'] : $name . ' (' . $lookup['federationId'] . ')';
 				$result[] = [

tests/lib/Collaboration/Collaborators/LookupPluginTest.php

@@ -34,6 +34,7 @@ use OCP\Http\Client\IClient;
 use OCP\Http\Client\IClientService;
 use OCP\Http\Client\IResponse;
 use OCP\IConfig;
+use OCP\ILogger;
 use OCP\IUser;
 use OCP\IUserSession;
 use OCP\Share;
@@ -51,6 +52,8 @@ class LookupPluginTest extends TestCase {
 	protected $cloudIdManager;
 	/** @var  LookupPlugin */
 	protected $plugin;
+	/** @var ILogger|\PHPUnit_Framework_MockObject_MockObject */
+	protected $logger;
 
 	public function setUp() {
 		parent::setUp();
@@ -58,6 +61,7 @@ class LookupPluginTest extends TestCase {
 		$this->userSession = $this->createMock(IUserSession::class);
 		$this->cloudIdManager = $this->createMock(ICloudIdManager::class);
 		$this->config = $this->createMock(IConfig::class);
+		$this->logger = $this->createMock(ILogger::class);
 		$this->clientService = $this->createMock(IClientService::class);
 		$cloudId = $this->createMock(ICloudId::class);
 		$cloudId->expects($this->any())->method('getRemote')->willReturn('myNextcloud.net');
@@ -74,7 +78,13 @@ class LookupPluginTest extends TestCase {
 			});
 
 
-		$this->plugin = new LookupPlugin($this->config, $this->clientService, $this->userSession, $this->cloudIdManager);
+		$this->plugin = new LookupPlugin(
+			$this->config,
+			$this->clientService,
+			$this->userSession,
+			$this->cloudIdManager,
+			$this->logger
+		);
 	}
 
 	/**