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authorWim <wim@42.be>2019-12-26 23:12:28 +0100
committerWim <wim@42.be>2020-03-01 22:19:33 +0100
commit795a8705c3fdc5bf55e83d382e7d3ff233896a0b (patch)
tree46ac43e487102de7ea21a823a7a7902ae9493f88 /vendor/google.golang.org/appengine/internal/identity.go
parent3af0dc3b3a5bfaffe37770c437427f1e99402405 (diff)
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Diffstat (limited to 'vendor/google.golang.org/appengine/internal/identity.go')
-rw-r--r--vendor/google.golang.org/appengine/internal/identity.go55
1 files changed, 55 insertions, 0 deletions
diff --git a/vendor/google.golang.org/appengine/internal/identity.go b/vendor/google.golang.org/appengine/internal/identity.go
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+++ b/vendor/google.golang.org/appengine/internal/identity.go
@@ -0,0 +1,55 @@
+// Copyright 2011 Google Inc. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package internal
+
+import (
+ "os"
+
+ netcontext "golang.org/x/net/context"
+)
+
+var (
+ // This is set to true in identity_classic.go, which is behind the appengine build tag.
+ // The appengine build tag is set for the first generation runtimes (<= Go 1.9) but not
+ // the second generation runtimes (>= Go 1.11), so this indicates whether we're on a
+ // first-gen runtime. See IsStandard below for the second-gen check.
+ appengineStandard bool
+
+ // This is set to true in identity_flex.go, which is behind the appenginevm build tag.
+ appengineFlex bool
+)
+
+// AppID is the implementation of the wrapper function of the same name in
+// ../identity.go. See that file for commentary.
+func AppID(c netcontext.Context) string {
+ return appID(FullyQualifiedAppID(c))
+}
+
+// IsStandard is the implementation of the wrapper function of the same name in
+// ../appengine.go. See that file for commentary.
+func IsStandard() bool {
+ // appengineStandard will be true for first-gen runtimes (<= Go 1.9) but not
+ // second-gen (>= Go 1.11).
+ return appengineStandard || IsSecondGen()
+}
+
+// IsStandard is the implementation of the wrapper function of the same name in
+// ../appengine.go. See that file for commentary.
+func IsSecondGen() bool {
+ // Second-gen runtimes set $GAE_ENV so we use that to check if we're on a second-gen runtime.
+ return os.Getenv("GAE_ENV") == "standard"
+}
+
+// IsFlex is the implementation of the wrapper function of the same name in
+// ../appengine.go. See that file for commentary.
+func IsFlex() bool {
+ return appengineFlex
+}
+
+// IsAppEngine is the implementation of the wrapper function of the same name in
+// ../appengine.go. See that file for commentary.
+func IsAppEngine() bool {
+ return IsStandard() || IsFlex()
+}