---

mziccard · mziccard · commit d3ecfdb88d5b · 2015-11-17T17:21:40.000+01:00
yaml --- r: 1951 b: refs/heads/pubsub-alpha c: 82ebc71 h: refs/heads/master i: 1949: 9eb95f7 1947: 7265c86 1943: 2affb64 1935: 0a132c9 1919: 381e89d
diff --git a/[refs] b/[refs]
@@ -3,7 +3,7 @@ refs/heads/master: 689bbb466df4b2d5d2483d6edb8ac5c7c7f7c6fa
 refs/heads/travis: e21ee7b88a5edc3f3d8c71f90c3fc32abf7e8dd6
 refs/heads/gh-pages: 4e0561bb4504bf647db669a14417b2b2c87ba45d
 refs/heads/bigquery: 762fa5830e6c398c0396177e3e7fd243bd62cfc3
-refs/heads/pubsub-alpha: c3b6616c98982a201c1dcd6a5b1e7d3210d009d6
+refs/heads/pubsub-alpha: 82ebc7128133d7727eec8e85df927ec9599205f8
 refs/heads/resource-manager: ebf4adc5ee835cd2086c4ac5b4e78d01a5a005a7
 refs/heads/update-datastore: 482954f2c5055231e5b3122ea91d2ba00ce8187c
 refs/tags/0.0.9: 22f1839238f66c39e67ed4dfdcd273b1ae2e8444
diff --git a/branches/pubsub-alpha/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java b/branches/pubsub-alpha/gcloud-java-core/src/main/java/com/google/gcloud/AuthCredentials.java
@@ -28,6 +28,7 @@
 import com.google.api.client.json.jackson.JacksonFactory;
 import com.google.auth.http.HttpCredentialsAdapter;
 import com.google.auth.oauth2.GoogleCredentials;
+import com.google.auth.oauth2.ServiceAccountCredentials;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -212,7 +213,7 @@ public RestorableState<AuthCredentials> capture() {
     }
   }
 
-  private static class ApplicationDefaultAuthCredentials extends AuthCredentials {
+  public static class ApplicationDefaultAuthCredentials extends AuthCredentials {
 
     private GoogleCredentials googleCredentials;
 
@@ -255,6 +256,15 @@ protected HttpRequestInitializer httpRequestInitializer(HttpTransport transport,
       return new HttpCredentialsAdapter(googleCredentials.createScoped(scopes));
     }
 
+    public ServiceAccountAuthCredentials toServiceAccountCredentials() {
+      if (googleCredentials instanceof ServiceAccountCredentials) {
+        ServiceAccountCredentials credentials = (ServiceAccountCredentials) googleCredentials;
+        return new ServiceAccountAuthCredentials(credentials.getClientEmail(),
+            credentials.getPrivateKey());
+      }
+      return null;
+    }
+
     @Override
     public RestorableState<AuthCredentials> capture() {
       return STATE;
diff --git a/branches/pubsub-alpha/gcloud-java-storage/src/main/java/com/google/gcloud/storage/StorageImpl.java b/branches/pubsub-alpha/gcloud-java-storage/src/main/java/com/google/gcloud/storage/StorageImpl.java
@@ -43,6 +43,8 @@
 import com.google.common.hash.Hashing;
 import com.google.common.io.BaseEncoding;
 import com.google.common.primitives.Ints;
+import com.google.gcloud.AuthCredentials;
+import com.google.gcloud.AuthCredentials.ApplicationDefaultAuthCredentials;
 import com.google.gcloud.AuthCredentials.ServiceAccountAuthCredentials;
 import com.google.gcloud.PageImpl;
 import com.google.gcloud.BaseService;
@@ -584,9 +586,15 @@ public URL signUrl(BlobInfo blobInfo, long duration, TimeUnit unit, SignUrlOptio
     ServiceAccountAuthCredentials cred =
         (ServiceAccountAuthCredentials) optionMap.get(SignUrlOption.Option.SERVICE_ACCOUNT_CRED);
     if (cred == null) {
-      checkArgument(options().authCredentials() instanceof ServiceAccountAuthCredentials,
-          "Signing key was not provided and could not be derived");
-      cred = (ServiceAccountAuthCredentials) this.options().authCredentials();
+      AuthCredentials serviceCred = this.options().authCredentials();
+      if (serviceCred instanceof ServiceAccountAuthCredentials) {
+        cred = (ServiceAccountAuthCredentials) serviceCred;
+      } else {
+        if (serviceCred instanceof ApplicationDefaultAuthCredentials) {
+          cred = ((ApplicationDefaultAuthCredentials) serviceCred).toServiceAccountCredentials();
+        }
+      }
+      checkArgument(cred != null, "Signing key was not provided and could not be derived");
     }
     // construct signature - see https://cloud.google.com/storage/docs/access-control#Signed-URLs
     StringBuilder stBuilder = new StringBuilder();
