forked from Mirrors/oauth2
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// +build appengine
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package google
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import (
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"strings"
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"appengine"
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"github.com/golang/oauth2"
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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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context appengine.Context
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scopes []string
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cache oauth2.Cache
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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{context: context, scopes: scopes}
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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.NewAuthorizedTransport(c, nil)
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}
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// NewTransport returns a token-caching transport that authorizes
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// the requests with the application's service account.
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func (c *AppEngineConfig) NewTransportWithCache(cache oauth2.Cache) (oauth2.Transport, error) {
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token, err := cache.Read()
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if err != nil {
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return nil, err
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}
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c.cache = cache
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return oauth2.NewAuthorizedTransport(c, token), 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, strings.Join(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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func (c *AppEngineConfig) Cache() oauth2.Cache {
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return c.cache
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}
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