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43 lines
1.9 KiB
43 lines
1.9 KiB
6 years ago
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build go1.9
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// Package google provides support for making OAuth2 authorized and authenticated
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// HTTP requests to Google APIs. It supports the Web server flow, client-side
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// credentials, service accounts, Google Compute Engine service accounts, and Google
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// App Engine service accounts.
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//
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// A brief overview of the package follows. For more information, please read
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// https://developers.google.com/accounts/docs/OAuth2
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// and
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// https://developers.google.com/accounts/docs/application-default-credentials.
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//
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// OAuth2 Configs
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//
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// Two functions in this package return golang.org/x/oauth2.Config values from Google credential
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// data. Google supports two JSON formats for OAuth2 credentials: one is handled by ConfigFromJSON,
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// the other by JWTConfigFromJSON. The returned Config can be used to obtain a TokenSource or
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// create an http.Client.
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//
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//
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// Credentials
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//
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// The Credentials type represents Google credentials, including Application Default
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// Credentials.
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//
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// Use FindDefaultCredentials to obtain Application Default Credentials.
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// FindDefaultCredentials looks in some well-known places for a credentials file, and
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// will call AppEngineTokenSource or ComputeTokenSource as needed.
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//
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// DefaultClient and DefaultTokenSource are convenience methods. They first call FindDefaultCredentials,
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// then use the credentials to construct an http.Client or an oauth2.TokenSource.
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//
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// Use CredentialsFromJSON to obtain credentials from either of the two JSON formats
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// described in OAuth2 Configs, above. The TokenSource in the returned value is the
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// same as the one obtained from the oauth2.Config returned from ConfigFromJSON or
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// JWTConfigFromJSON, but the Credentials may contain additional information
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// that is useful is some circumstances.
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package google // import "golang.org/x/oauth2/google"
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