Handle NoSuchBucketException in S3

data/src/main/java/org/cryptomator/data/cloud/s3/S3CloudContentRepository.java

@@ -175,7 +175,7 @@ class S3CloudContentRepository extends InterceptingCloudContentRepository<S3Clou
 
 		@Override
 		public String checkAuthenticationAndRetrieveCurrentAccount(S3Cloud cloud) throws BackendException {
-			return this.cloud.currentAccount();
+			return this.cloud.checkAuthenticationAndRetrieveCurrentAccount();
 		}
 
 		@Override

data/src/main/java/org/cryptomator/data/cloud/s3/S3Impl.java

@@ -118,12 +118,6 @@ class S3Impl {
 		return S3CloudNodeFactory.folder(parent, name, parent.getKey() + name);
 	}
 
-	public void bucketExists() throws BackendException {
-		if (!client().doesBucketExist(cloud.s3Bucket())) {
-			throw new NoSuchBucketException(cloud.s3Bucket());
-		}
-	}
-
 	public boolean exists(S3Node node) {
 		String key = node.getKey();
 
@@ -384,9 +378,14 @@ class S3Impl {
 		}
 	}
 
-	public String currentAccount() {
+	public String checkAuthenticationAndRetrieveCurrentAccount() throws NoSuchBucketException {
+		if (!client().doesBucketExist(cloud.s3Bucket())) {
+			throw new NoSuchBucketException(cloud.s3Bucket());
+		}
+
 		Owner currentAccount = client() //
 				.getS3AccountOwner();
+
 		return currentAccount.getDisplayName();
 	}
 

presentation/src/main/java/org/cryptomator/presentation/exception/ExceptionHandlers.kt

@@ -8,6 +8,7 @@ import org.cryptomator.domain.di.PerView
 import org.cryptomator.domain.exception.CloudAlreadyExistsException
 import org.cryptomator.domain.exception.CloudNodeAlreadyExistsException
 import org.cryptomator.domain.exception.NetworkConnectionException
+import org.cryptomator.domain.exception.NoSuchBucketException
 import org.cryptomator.domain.exception.NoSuchCloudFileException
 import org.cryptomator.domain.exception.UnableToDecryptWebdavPasswordException
 import org.cryptomator.domain.exception.VaultAlreadyExistException
@@ -45,6 +46,7 @@ class ExceptionHandlers @Inject constructor(private val context: Context, defaul
 		staticHandler(NoLicenseAvailableException::class.java, R.string.dialog_enter_license_no_content)
 		staticHandler(GeneralUpdateErrorException::class.java, R.string.error_general_update)
 		staticHandler(SSLHandshakePreAndroid5UpdateCheckException::class.java, R.string.error_general_update)
+		staticHandler(NoSuchBucketException::class.java, R.string.error_no_such_bucket)
 		exceptionHandlers.add(MissingCryptorExceptionHandler())
 		exceptionHandlers.add(CancellationExceptionHandler())
 		exceptionHandlers.add(NoSuchVaultExceptionHandler())

presentation/src/main/res/values/strings.xml

@@ -33,6 +33,7 @@
 	<string name="error_play_services_not_available">Play Services not installed</string>
 	<string name="error_biometric_auth_aborted">Biometric authentication aborted</string>
 	<string name="error_file_not_found_after_opening_using_3party">Local file isn\'t present anymore after switching back to Cryptomator. Possible changes cannot be propagated back to the cloud.</string>
+	<string name="error_no_such_bucket">No such bucket</string>
 
 	<!-- # clouds -->