Esempio n. 1
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// TokenSource returns a TokenSource that returns t until t expires,
// automatically refreshing it as necessary using the provided context and the
// client ID and client secret.
//
// Most users will use Config.Client instead.
func (c *Config) TokenSource(ctx context.Context) oauth2.TokenSource {
	source := &tokenSource{
		ctx:  ctx,
		conf: c,
	}
	return oauth2.ReuseTokenSource(nil, source)
}
Esempio n. 2
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// TokenSource returns a JWT TokenSource using the configuration
// in c and the HTTP client from the provided context.
func (c *Config) TokenSource(ctx context.Context) oauth2.TokenSource {
	return oauth2.ReuseTokenSource(nil, jwtSource{ctx, c})
}
Esempio n. 3
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// ComputeTokenSource returns a token source that fetches access tokens
// from Google Compute Engine (GCE)'s metadata server. It's only valid to use
// this token source if your program is running on a GCE instance.
// If no account is specified, "default" is used.
// Further information about retrieving access tokens from the GCE metadata
// server can be found at https://cloud.google.com/compute/docs/authentication.
func ComputeTokenSource(account string) oauth2.TokenSource {
	return oauth2.ReuseTokenSource(nil, computeSource{account: account})
}