aboutsummaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/oauth2/google/appengine.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/golang.org/x/oauth2/google/appengine.go')
-rw-r--r--vendor/golang.org/x/oauth2/google/appengine.go89
1 files changed, 0 insertions, 89 deletions
diff --git a/vendor/golang.org/x/oauth2/google/appengine.go b/vendor/golang.org/x/oauth2/google/appengine.go
deleted file mode 100644
index 50d918b..0000000
--- a/vendor/golang.org/x/oauth2/google/appengine.go
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package google
-
-import (
- "sort"
- "strings"
- "sync"
- "time"
-
- "golang.org/x/net/context"
- "golang.org/x/oauth2"
-)
-
-// appengineFlex is set at init time by appengineflex_hook.go. If true, we are on App Engine Flex.
-var appengineFlex bool
-
-// Set at init time by appengine_hook.go. If nil, we're not on App Engine.
-var appengineTokenFunc func(c context.Context, scopes ...string) (token string, expiry time.Time, err error)
-
-// Set at init time by appengine_hook.go. If nil, we're not on App Engine.
-var appengineAppIDFunc func(c context.Context) string
-
-// AppEngineTokenSource returns a token source that fetches tokens
-// issued to the current App Engine application's service account.
-// If you are implementing a 3-legged OAuth 2.0 flow on App Engine
-// that involves user accounts, see oauth2.Config instead.
-//
-// The provided context must have come from appengine.NewContext.
-func AppEngineTokenSource(ctx context.Context, scope ...string) oauth2.TokenSource {
- if appengineTokenFunc == nil {
- panic("google: AppEngineTokenSource can only be used on App Engine.")
- }
- scopes := append([]string{}, scope...)
- sort.Strings(scopes)
- return &appEngineTokenSource{
- ctx: ctx,
- scopes: scopes,
- key: strings.Join(scopes, " "),
- }
-}
-
-// aeTokens helps the fetched tokens to be reused until their expiration.
-var (
- aeTokensMu sync.Mutex
- aeTokens = make(map[string]*tokenLock) // key is space-separated scopes
-)
-
-type tokenLock struct {
- mu sync.Mutex // guards t; held while fetching or updating t
- t *oauth2.Token
-}
-
-type appEngineTokenSource struct {
- ctx context.Context
- scopes []string
- key string // to aeTokens map; space-separated scopes
-}
-
-func (ts *appEngineTokenSource) Token() (*oauth2.Token, error) {
- if appengineTokenFunc == nil {
- panic("google: AppEngineTokenSource can only be used on App Engine.")
- }
-
- aeTokensMu.Lock()
- tok, ok := aeTokens[ts.key]
- if !ok {
- tok = &tokenLock{}
- aeTokens[ts.key] = tok
- }
- aeTokensMu.Unlock()
-
- tok.mu.Lock()
- defer tok.mu.Unlock()
- if tok.t.Valid() {
- return tok.t, nil
- }
- access, exp, err := appengineTokenFunc(ts.ctx, ts.scopes...)
- if err != nil {
- return nil, err
- }
- tok.t = &oauth2.Token{
- AccessToken: access,
- Expiry: exp,
- }
- return tok.t, nil
-}