1 files changed, 101 insertions, 0 deletions
diff --git a/vendor/google.golang.org/cloud/internal/transport/dial.go b/vendor/google.golang.org/cloud/internal/transport/dial.go
new file mode 100644
index 0000000..a0f8bd9
--- /dev/null
+++ b/vendor/google.golang.org/cloud/internal/transport/dial.go
@@ -0,0 +1,101 @@
+// Copyright 2015 Google Inc. All Rights Reserved.
+//
+// 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 transport
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+
+	"golang.org/x/net/context"
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/google"
+	"google.golang.org/cloud"
+	"google.golang.org/cloud/internal/opts"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/oauth"
+)
+
+// ErrHTTP is returned when on a non-200 HTTP response.
+type ErrHTTP struct {
+	StatusCode int
+	Body       []byte
+	err        error
+}
+
+func (e *ErrHTTP) Error() string {
+	if e.err == nil {
+		return fmt.Sprintf("error during call, http status code: %v %s", e.StatusCode, e.Body)
+	}
+	return e.err.Error()
+}
+
+// NewHTTPClient returns an HTTP client for use communicating with a Google cloud
+// service, configured with the given ClientOptions. It also returns the endpoint
+// for the service as specified in the options.
+func NewHTTPClient(ctx context.Context, opt ...cloud.ClientOption) (*http.Client, string, error) {
+	var o opts.DialOpt
+	for _, opt := range opt {
+		opt.Resolve(&o)
+	}
+	if o.GRPCClient != nil {
+		return nil, "", errors.New("unsupported GRPC base transport specified")
+	}
+	// TODO(djd): Wrap all http.Clients with appropriate internal version to add
+	// UserAgent header and prepend correct endpoint.
+	if o.HTTPClient != nil {
+		return o.HTTPClient, o.Endpoint, nil
+	}
+	if o.TokenSource == nil {
+		var err error
+		o.TokenSource, err = google.DefaultTokenSource(ctx, o.Scopes...)
+		if err != nil {
+			return nil, "", fmt.Errorf("google.DefaultTokenSource: %v", err)
+		}
+	}
+	return oauth2.NewClient(ctx, o.TokenSource), o.Endpoint, nil
+}
+
+// DialGRPC returns a GRPC connection for use communicating with a Google cloud
+// service, configured with the given ClientOptions.
+func DialGRPC(ctx context.Context, opt ...cloud.ClientOption) (*grpc.ClientConn, error) {
+	var o opts.DialOpt
+	for _, opt := range opt {
+		opt.Resolve(&o)
+	}
+	if o.HTTPClient != nil {
+		return nil, errors.New("unsupported HTTP base transport specified")
+	}
+	if o.GRPCClient != nil {
+		return o.GRPCClient, nil
+	}
+	if o.TokenSource == nil {
+		var err error
+		o.TokenSource, err = google.DefaultTokenSource(ctx, o.Scopes...)
+		if err != nil {
+			return nil, fmt.Errorf("google.DefaultTokenSource: %v", err)
+		}
+	}
+	grpcOpts := []grpc.DialOption{
+		grpc.WithPerRPCCredentials(oauth.TokenSource{o.TokenSource}),
+		grpc.WithTransportCredentials(credentials.NewClientTLSFromCert(nil, "")),
+	}
+	grpcOpts = append(grpcOpts, o.GRPCDialOpts...)
+	if o.UserAgent != "" {
+		grpcOpts = append(grpcOpts, grpc.WithUserAgent(o.UserAgent))
+	}
+	return grpc.Dial(o.Endpoint, grpcOpts...)
+}