forked from Mirrors/oauth2
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// +build appengine
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package google
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import (
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"github.com/golang/oauth2"
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"appengine"
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"appengine/urlfetch"
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)
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// AppEngineConfig represents a configuration for an
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// App Engine application's Google service account.
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type AppEngineConfig struct {
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// Transport is the transport to be used
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// to construct new oauth2.Transport instances from
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// this configuration.
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Transport *urlfetch.Transport
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context appengine.Context
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scopes []string
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}
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// NewAppEngineConfig creates a new AppEngineConfig for the
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// provided auth scopes.
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func NewAppEngineConfig(context appengine.Context, scopes []string) *AppEngineConfig {
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return &AppEngineConfig{
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Transport: &urlfetch.Transport{
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Context: context,
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Deadline: 0,
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AllowInvalidServerCertificate: false,
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},
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context: context,
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scopes: scopes,
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}
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}
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// NewTransport returns a transport that authorizes
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// the requests with the application's service account.
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func (c *AppEngineConfig) NewTransport() *oauth2.Transport {
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return oauth2.NewTransport(c.Transport, c, nil)
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}
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// FetchToken fetches a new access token for the provided scopes.
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func (c *AppEngineConfig) FetchToken(existing *oauth2.Token) (*oauth2.Token, error) {
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token, expiry, err := appengine.AccessToken(c.context, c.scopes...)
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if err != nil {
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return nil, err
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}
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return &oauth2.Token{
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AccessToken: token,
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Expiry: expiry,
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}, nil
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}
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