govanityurls/vendor/google.golang.org/appengine/namespace.go
Brandon Philips 26a09c434d
Update to use app engine runtime go112 (#34)
* app.yaml: update to go112

Make the required changes to use go112 due to the deprecation of Go 1.9.

Migration doc:
- https://cloud.google.com/appengine/docs/standard/go111/go-differences

References:
- https://github.com/GoogleCloudPlatform/govanityurls/issues/29#issuecomment-506538041
- https://github.com/etcd-io/maintainers/issues/17

* go.mod: initial commit

Migrate this project to use go.mod and update the README.

This is part of the recommended steps to runtime: go111 and beyond.
https://cloud.google.com/appengine/docs/standard/go111/go-differences

* vendor: add dependent packages

Add all dependencies for the project via vendoring for offline builds.

* travis.yml: drop go 1.6 for 1.12

Go 1.6 is too old to have a number of builtin packages for the latest
appengine package. Remove and update to match app engine version: 1.12.

* appengine.go: remove unused file

From the go111 migration doc:
"The appengine build tag is deprecated and will not be used when
building your app for deployment.  Ensure your code still functions
correctly without it being set."

https://cloud.google.com/appengine/docs/standard/go111/go-differences

* main: respect PORT environment variable

The go111 runtime should use the PORT variable to decide the listening
http port.

"PORT The port that receives HTTP requests."
https://cloud.google.com/appengine/docs/standard/go111/runtime
2020-02-06 09:36:34 -08:00

26 lines
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Go

// Copyright 2012 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 appengine
import (
"fmt"
"regexp"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
)
// Namespace returns a replacement context that operates within the given namespace.
func Namespace(c context.Context, namespace string) (context.Context, error) {
if !validNamespace.MatchString(namespace) {
return nil, fmt.Errorf("appengine: namespace %q does not match /%s/", namespace, validNamespace)
}
return internal.NamespacedContext(c, namespace), nil
}
// validNamespace matches valid namespace names.
var validNamespace = regexp.MustCompile(`^[0-9A-Za-z._-]{0,100}$`)