I am also having problems.
I try to use Java. First, I registered, as I should, a service account.
Downloaded a private key in a keystore formatted as PKCS12.
This is the code I am using:
@Test
public void authenticate() throws Exception {
KeyStore keyStore = KeyStore.getInstance("PKCS12");
keyStore.load(getPKCS12(), "notasecret".toCharArray());
PrivateKey key =
(PrivateKey)keyStore.getKey("privatekey","notasecret".toCharArray());
System.out.println(key.getClass().getName());
GoogleCredential credential = new GoogleCredential.Builder()
.setTransport(new NetHttpTransport())
.setJsonFactory(JacksonFactory.getDefaultInstance())
.setServiceAccountId(SERVICE_ACCOUNT_CLIENT_ID)
.setServiceAccountPrivateKey(key)
.setServiceAccountScopes(singleton("http://picasaweb.google.com/data/";))
//correct scope according to forums
.build();
PicasawebService myService = new
PicasawebService("triptrap-foto-feed");
myService.setOAuth2Credentials(credential);
URL feedUrl = new
URL("https://picasaweb.google.com/data/feed/api/user/6061450663921646098?kind=album";);
UserFeed myUserFeed = myService.getFeed(feedUrl, UserFeed.class);
}
In this code, getPKCS12() is a method returning an InputStream to the
pkkcs12 file.
The id in the feedUrl, 6061450663921646098, is the pid that you see when
browsing a google plus album.
When I execute this code, the result is
com.google.gdata.util.ServiceForbiddenException: Forbidden
Token invalid - Invalid token: Cannot parse referred token string
at
com.google.gdata.client.http.HttpGDataRequest.handleErrorResponse(HttpGDataRequest.java:605)
at
com.google.gdata.client.http.GoogleGDataRequest.handleErrorResponse(GoogleGDataRequest.java:564)
at
com.google.gdata.client.http.HttpGDataRequest.checkResponse(HttpGDataRequest.java:560)
at
com.google.gdata.client.http.HttpGDataRequest.execute(HttpGDataRequest.java:538)
at
com.google.gdata.client.http.GoogleGDataRequest.execute(GoogleGDataRequest.java:536)
at com.google.gdata.client.Service.getFeed(Service.java:1135)
at com.google.gdata.client.Service.getFeed(Service.java:998)
at com.google.gdata.client.GoogleService.getFeed(GoogleService.java:645)
at com.google.gdata.client.Service.getFeed(Service.java:1017)
at mypackage.AuthenticationTest.authenticate(AuthenticationTest.java:70)
What am I doing wrong here?
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