50 lines
1.9 KiB
Go
50 lines
1.9 KiB
Go
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// Copyright 2014 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package cloud contains Google Cloud Platform APIs related types
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// and common functions.
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package cloud // import "google.golang.org/cloud"
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import (
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"net/http"
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"golang.org/x/net/context"
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"google.golang.org/cloud/internal"
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)
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// NewContext returns a new context that uses the provided http.Client.
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// Provided http.Client is responsible to authorize and authenticate
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// the requests made to the Google Cloud APIs.
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// It mutates the client's original Transport to append the cloud
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// package's user-agent to the outgoing requests.
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// You can obtain the project ID from the Google Developers Console,
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// https://console.developers.google.com.
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func NewContext(projID string, c *http.Client) context.Context {
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if c == nil {
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panic("invalid nil *http.Client passed to NewContext")
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}
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return WithContext(context.Background(), projID, c)
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}
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// WithContext returns a new context in a similar way NewContext does,
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// but initiates the new context with the specified parent.
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func WithContext(parent context.Context, projID string, c *http.Client) context.Context {
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// TODO(bradfitz): delete internal.Transport. It's too wrappy for what it does.
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// Do User-Agent some other way.
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if _, ok := c.Transport.(*internal.Transport); !ok {
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c.Transport = &internal.Transport{Base: c.Transport}
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}
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return internal.WithContext(parent, projID, c)
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}
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