diff --git a/go.mod b/go.mod index a6e553041..fdbe73c10 100644 --- a/go.mod +++ b/go.mod @@ -5,12 +5,6 @@ go 1.18 require ( cloud.google.com/go/compute/metadata v0.2.3 github.com/google/go-cmp v0.5.9 - google.golang.org/appengine v1.6.7 ) -require ( - cloud.google.com/go/compute v1.20.1 // indirect - github.com/golang/protobuf v1.5.3 // indirect - golang.org/x/net v0.22.0 // indirect - google.golang.org/protobuf v1.31.0 // indirect -) +require cloud.google.com/go/compute v1.20.1 // indirect diff --git a/go.sum b/go.sum index 1f42ab621..71362ed3f 100644 --- a/go.sum +++ b/go.sum @@ -2,25 +2,5 @@ cloud.google.com/go/compute v1.20.1 h1:6aKEtlUiwEpJzM001l0yFkpXmUVXaN8W+fbkb2AZN cloud.google.com/go/compute v1.20.1/go.mod h1:4tCnrn48xsqlwSAiLf1HXMQk8CONslYbdiEZc9FEIbM= cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY= cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA= -github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= -github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= -github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= -github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= -github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= -golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc= -golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg= -golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= -golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= -golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= -google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c= -google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= -google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= -google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= -google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8= -google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= diff --git a/google/appengine.go b/google/appengine.go index feb1157b1..564920bd4 100644 --- a/google/appengine.go +++ b/google/appengine.go @@ -6,16 +6,13 @@ package google import ( "context" - "time" + "log" + "sync" "golang.org/x/oauth2" ) -// Set at init time by appengine_gen1.go. If nil, we're not on App Engine standard first generation (<= Go 1.9) or App Engine flexible. -var appengineTokenFunc func(c context.Context, scopes ...string) (token string, expiry time.Time, err error) - -// Set at init time by appengine_gen1.go. If nil, we're not on App Engine standard first generation (<= Go 1.9) or App Engine flexible. -var appengineAppIDFunc func(c context.Context) string +var logOnce sync.Once // only spam about deprecation once // AppEngineTokenSource returns a token source that fetches tokens from either // the current application's service account or from the metadata server, @@ -23,8 +20,10 @@ var appengineAppIDFunc func(c context.Context) string // details. If you are implementing a 3-legged OAuth 2.0 flow on App Engine that // involves user accounts, see oauth2.Config instead. // -// First generation App Engine runtimes (<= Go 1.9): -// AppEngineTokenSource returns a token source that fetches tokens issued to the +// The current version of this library requires at least Go 1.17 to build, +// so first generation App Engine runtimes (<= Go 1.9) are unsupported. +// Previously, on first generation App Engine runtimes, AppEngineTokenSource +// returned a token source that fetches tokens issued to the // current App Engine application's service account. The provided context must have // come from appengine.NewContext. // @@ -34,5 +33,8 @@ var appengineAppIDFunc func(c context.Context) string // context and scopes are not used. Please use DefaultTokenSource (or ComputeTokenSource, // which DefaultTokenSource will use in this case) instead. func AppEngineTokenSource(ctx context.Context, scope ...string) oauth2.TokenSource { - return appEngineTokenSource(ctx, scope...) + logOnce.Do(func() { + log.Print("google: AppEngineTokenSource is deprecated on App Engine standard second generation runtimes (>= Go 1.11) and App Engine flexible. Please use DefaultTokenSource or ComputeTokenSource.") + }) + return ComputeTokenSource("") } diff --git a/google/appengine_gen1.go b/google/appengine_gen1.go deleted file mode 100644 index e61587945..000000000 --- a/google/appengine_gen1.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2018 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. - -//go:build appengine - -// This file applies to App Engine first generation runtimes (<= Go 1.9). - -package google - -import ( - "context" - "sort" - "strings" - "sync" - - "golang.org/x/oauth2" - "google.golang.org/appengine" -) - -func init() { - appengineTokenFunc = appengine.AccessToken - appengineAppIDFunc = appengine.AppID -} - -// See comment on AppEngineTokenSource in appengine.go. -func appEngineTokenSource(ctx context.Context, scope ...string) oauth2.TokenSource { - scopes := append([]string{}, scope...) - sort.Strings(scopes) - return &gaeTokenSource{ - 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 gaeTokenSource struct { - ctx context.Context - scopes []string - key string // to aeTokens map; space-separated scopes -} - -func (ts *gaeTokenSource) Token() (*oauth2.Token, error) { - 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 -} diff --git a/google/appengine_gen2_flex.go b/google/appengine_gen2_flex.go deleted file mode 100644 index 9c79aa0a0..000000000 --- a/google/appengine_gen2_flex.go +++ /dev/null @@ -1,27 +0,0 @@ -// Copyright 2018 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. - -//go:build !appengine - -// This file applies to App Engine second generation runtimes (>= Go 1.11) and App Engine flexible. - -package google - -import ( - "context" - "log" - "sync" - - "golang.org/x/oauth2" -) - -var logOnce sync.Once // only spam about deprecation once - -// See comment on AppEngineTokenSource in appengine.go. -func appEngineTokenSource(ctx context.Context, scope ...string) oauth2.TokenSource { - logOnce.Do(func() { - log.Print("google: AppEngineTokenSource is deprecated on App Engine standard second generation runtimes (>= Go 1.11) and App Engine flexible. Please use DefaultTokenSource or ComputeTokenSource.") - }) - return ComputeTokenSource("") -} diff --git a/google/default.go b/google/default.go index 18f369851..4b55b3f5a 100644 --- a/google/default.go +++ b/google/default.go @@ -199,9 +199,7 @@ func DefaultTokenSource(ctx context.Context, scope ...string) (oauth2.TokenSourc // 2. A JSON file in a location known to the gcloud command-line tool. // On Windows, this is %APPDATA%/gcloud/application_default_credentials.json. // On other systems, $HOME/.config/gcloud/application_default_credentials.json. -// 3. On Google App Engine standard first generation runtimes (<= Go 1.9) it uses -// the appengine.AccessToken function. -// 4. On Google Compute Engine, Google App Engine standard second generation runtimes +// 3. On Google Compute Engine, Google App Engine standard second generation runtimes // (>= Go 1.11), and Google App Engine flexible environment, it fetches // credentials from the metadata server. func FindDefaultCredentialsWithParams(ctx context.Context, params CredentialsParams) (*Credentials, error) { @@ -224,17 +222,7 @@ func FindDefaultCredentialsWithParams(ctx context.Context, params CredentialsPar return CredentialsFromJSONWithParams(ctx, b, params) } - // Third, if we're on a Google App Engine standard first generation runtime (<= Go 1.9) - // use those credentials. App Engine standard second generation runtimes (>= Go 1.11) - // and App Engine flexible use ComputeTokenSource and the metadata server. - if appengineTokenFunc != nil { - return &Credentials{ - ProjectID: appengineAppIDFunc(ctx), - TokenSource: AppEngineTokenSource(ctx, params.Scopes...), - }, nil - } - - // Fourth, if we're on Google Compute Engine, an App Engine standard second generation runtime, + // Third, if we're on Google Compute Engine, an App Engine standard second generation runtime, // or App Engine flexible, use the metadata server. if metadata.OnGCE() { id, _ := metadata.ProjectID() diff --git a/internal/client_appengine.go b/internal/client_appengine.go deleted file mode 100644 index d28140f78..000000000 --- a/internal/client_appengine.go +++ /dev/null @@ -1,13 +0,0 @@ -// Copyright 2018 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. - -//go:build appengine - -package internal - -import "google.golang.org/appengine/urlfetch" - -func init() { - appengineClientHook = urlfetch.Client -} diff --git a/internal/transport.go b/internal/transport.go index 572074a63..b9db01ddf 100644 --- a/internal/transport.go +++ b/internal/transport.go @@ -18,16 +18,11 @@ var HTTPClient ContextKey // because nobody else can create a ContextKey, being unexported. type ContextKey struct{} -var appengineClientHook func(context.Context) *http.Client - func ContextClient(ctx context.Context) *http.Client { if ctx != nil { if hc, ok := ctx.Value(HTTPClient).(*http.Client); ok { return hc } } - if appengineClientHook != nil { - return appengineClientHook(ctx) - } return http.DefaultClient }