1 files changed, 45 insertions, 0 deletions

diff --git a/vendor/google.golang.org/api/internal/creds.go b/vendor/google.golang.org/api/internal/creds.go
new file mode 100644
index 0000000..e5b849b
--- /dev/null
+++ b/vendor/google.golang.org/api/internal/creds.go
@@ -0,0 +1,45 @@
+// Copyright 2017 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal
+
+import (
+        "context"
+        "fmt"
+        "io/ioutil"
+
+        "golang.org/x/oauth2/google"
+)
+
+// Creds returns credential information obtained from DialSettings, or if none, then
+// it returns default credential information.
+func Creds(ctx context.Context, ds *DialSettings) (*google.DefaultCredentials, error) {
+        if ds.Credentials != nil {
+                return ds.Credentials, nil
+        }
+        if ds.CredentialsJSON != nil {
+                return google.CredentialsFromJSON(ctx, ds.CredentialsJSON, ds.Scopes...)
+        }
+        if ds.CredentialsFile != "" {
+                data, err := ioutil.ReadFile(ds.CredentialsFile)
+                if err != nil {
+                        return nil, fmt.Errorf("cannot read credentials file: %v", err)
+                }
+                return google.CredentialsFromJSON(ctx, data, ds.Scopes...)
+        }
+        if ds.TokenSource != nil {
+                return &google.DefaultCredentials{TokenSource: ds.TokenSource}, nil
+        }
+        return google.FindDefaultCredentials(ctx, ds.Scopes...)
+}