4 files changed, 199 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 000000000..e5b849bff
--- /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...)
+}
diff --git a/vendor/google.golang.org/api/internal/pool.go b/vendor/google.golang.org/api/internal/pool.go
new file mode 100644
index 000000000..ba406247f
--- /dev/null
+++ b/vendor/google.golang.org/api/internal/pool.go
@@ -0,0 +1,61 @@
+// Copyright 2016 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 (
+	"errors"
+
+	"google.golang.org/grpc/naming"
+)
+
+// PoolResolver provides a fixed list of addresses to load balance between
+// and does not provide further updates.
+type PoolResolver struct {
+	poolSize int
+	dialOpt  *DialSettings
+	ch       chan []*naming.Update
+}
+
+// NewPoolResolver returns a PoolResolver
+// This is an EXPERIMENTAL API and may be changed or removed in the future.
+func NewPoolResolver(size int, o *DialSettings) *PoolResolver {
+	return &PoolResolver{poolSize: size, dialOpt: o}
+}
+
+// Resolve returns a Watcher for the endpoint defined by the DialSettings
+// provided to NewPoolResolver.
+func (r *PoolResolver) Resolve(target string) (naming.Watcher, error) {
+	if r.dialOpt.Endpoint == "" {
+		return nil, errors.New("No endpoint configured")
+	}
+	addrs := make([]*naming.Update, 0, r.poolSize)
+	for i := 0; i < r.poolSize; i++ {
+		addrs = append(addrs, &naming.Update{Op: naming.Add, Addr: r.dialOpt.Endpoint, Metadata: i})
+	}
+	r.ch = make(chan []*naming.Update, 1)
+	r.ch <- addrs
+	return r, nil
+}
+
+// Next returns a static list of updates on the first call,
+// and blocks indefinitely until Close is called on subsequent calls.
+func (r *PoolResolver) Next() ([]*naming.Update, error) {
+	return <-r.ch, nil
+}
+
+// Close releases resources associated with the pool and causes Next to unblock.
+func (r *PoolResolver) Close() {
+	close(r.ch)
+}
diff --git a/vendor/google.golang.org/api/internal/service-account.json b/vendor/google.golang.org/api/internal/service-account.json
new file mode 100644
index 000000000..2cb54c292
--- /dev/null
+++ b/vendor/google.golang.org/api/internal/service-account.json
@@ -0,0 +1,12 @@
+{
+  "type": "service_account",
+  "project_id": "project_id",
+  "private_key_id": "private_key_id",
+  "private_key": "private_key",
+  "client_email": "xyz@developer.gserviceaccount.com",
+  "client_id": "123",
+  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+  "token_uri": "https://accounts.google.com/o/oauth2/token",
+  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/xyz%40developer.gserviceaccount.com"
+}
diff --git a/vendor/google.golang.org/api/internal/settings.go b/vendor/google.golang.org/api/internal/settings.go
new file mode 100644
index 000000000..afabdc423
--- /dev/null
+++ b/vendor/google.golang.org/api/internal/settings.go
@@ -0,0 +1,81 @@
+// 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 supports the options and transport packages.
+package internal
+
+import (
+	"errors"
+	"net/http"
+
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/google"
+	"google.golang.org/grpc"
+)
+
+// DialSettings holds information needed to establish a connection with a
+// Google API service.
+type DialSettings struct {
+	Endpoint        string
+	Scopes          []string
+	TokenSource     oauth2.TokenSource
+	Credentials     *google.DefaultCredentials
+	CredentialsFile string // if set, Token Source is ignored.
+	CredentialsJSON []byte
+	UserAgent       string
+	APIKey          string
+	HTTPClient      *http.Client
+	GRPCDialOpts    []grpc.DialOption
+	GRPCConn        *grpc.ClientConn
+	NoAuth          bool
+}
+
+// Validate reports an error if ds is invalid.
+func (ds *DialSettings) Validate() error {
+	hasCreds := ds.APIKey != "" || ds.TokenSource != nil || ds.CredentialsFile != "" || ds.Credentials != nil
+	if ds.NoAuth && hasCreds {
+		return errors.New("options.WithoutAuthentication is incompatible with any option that provides credentials")
+	}
+	// Credentials should not appear with other options.
+	// We currently allow TokenSource and CredentialsFile to coexist.
+	// TODO(jba): make TokenSource & CredentialsFile an error (breaking change).
+	nCreds := 0
+	if ds.Credentials != nil {
+		nCreds++
+	}
+	if ds.CredentialsJSON != nil {
+		nCreds++
+	}
+	if ds.CredentialsFile != "" {
+		nCreds++
+	}
+	if ds.APIKey != "" {
+		nCreds++
+	}
+	if ds.TokenSource != nil {
+		nCreds++
+	}
+	// Accept only one form of credentials, except we allow TokenSource and CredentialsFile for backwards compatibility.
+	if nCreds > 1 && !(nCreds == 2 && ds.TokenSource != nil && ds.CredentialsFile != "") {
+		return errors.New("multiple credential options provided")
+	}
+	if ds.HTTPClient != nil && ds.GRPCConn != nil {
+		return errors.New("WithHTTPClient is incompatible with WithGRPCConn")
+	}
+	if ds.HTTPClient != nil && ds.GRPCDialOpts != nil {
+		return errors.New("WithHTTPClient is incompatible with gRPC dial options")
+	}
+
+	return nil
+}