CODEWITHSUNDEEP
javaapicloudstoragegoogle-cloud-storage
Mario Meir-Huber
Mario Meir-Huber

Reputation: 63

Google Cloud Storage - how to authorize?

I am desperately trying to access Google Cloud Storage from Java. My challenge is that I should create a generic library and a browser based auth is not possible.

Whatever I do, it always tells me "401 Unauthorised". I am definitely using the correct credentials, ... My Java Version is 1.7

Here is the code:

        GoogleCredential credential = new GoogleCredential.Builder()
            .setTransport(httpTransport)
            .setJsonFactory(new JacksonFactory())
            .setClientSecrets("clientid", "clientsecret").build();

            storage = new Storage.Builder(httpTransport, JSON_FACTORY, credential).setApplicationName(
                "test-name")
                .build();

The corresponding client id and secret is set as shown in the console; however, I always tells me "Login required". The library needs to be used from a worker process, so it is impossible that someone authorises the application in a browser window ...

Thanks,

Mario

Upvotes: 3

Views: 344

Answers (1)

Matthias Steinbauer
Matthias Steinbauer

Reputation: 1776

I believe that just recently we discussed in person that this problem is actually solved by using Google Service accounts as documented over here: https://developers.google.com/accounts/docs/OAuth2ServiceAccount

The credentials are the built like this:

String emailAddress = "[email protected]";
JsonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
HttpTransport httpTransport = GoogleNetHttpTransport.newTrustedTransport();
GoogleCredential credential = new GoogleCredential.Builder()
    .setTransport(httpTransport)
    .setJsonFactory(JSON_FACTORY)
    .setServiceAccountId(emailAddress)
    .setServiceAccountPrivateKeyFromP12File(new File("MyProject.p12"))
    .setServiceAccountScopes(Collections.singleton(SQLAdminScopes.SQLSERVICE_ADMIN))
    .build();

Upvotes: 1

Related Questions