85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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// Package user provides a client for App Engine's user authentication service.
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package user // import "google.golang.org/appengine/user"
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import (
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"strings"
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"github.com/golang/protobuf/proto"
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"golang.org/x/net/context"
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"google.golang.org/appengine/internal"
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pb "google.golang.org/appengine/internal/user"
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)
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// User represents a user of the application.
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type User struct {
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Email string
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AuthDomain string
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Admin bool
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// ID is the unique permanent ID of the user.
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// It is populated if the Email is associated
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// with a Google account, or empty otherwise.
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ID string
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// ClientID is the ID of the pre-registered client so its identity can be verified.
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// See https://developers.google.com/console/help/#generatingoauth2 for more information.
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ClientID string
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FederatedIdentity string
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FederatedProvider string
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}
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// String returns a displayable name for the user.
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func (u *User) String() string {
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if u.AuthDomain != "" && strings.HasSuffix(u.Email, "@"+u.AuthDomain) {
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return u.Email[:len(u.Email)-len("@"+u.AuthDomain)]
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}
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if u.FederatedIdentity != "" {
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return u.FederatedIdentity
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}
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return u.Email
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}
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// LoginURL returns a URL that, when visited, prompts the user to sign in,
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// then redirects the user to the URL specified by dest.
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func LoginURL(c context.Context, dest string) (string, error) {
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return LoginURLFederated(c, dest, "")
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}
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// LoginURLFederated is like LoginURL but accepts a user's OpenID identifier.
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func LoginURLFederated(c context.Context, dest, identity string) (string, error) {
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req := &pb.CreateLoginURLRequest{
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DestinationUrl: proto.String(dest),
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}
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if identity != "" {
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req.FederatedIdentity = proto.String(identity)
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}
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res := &pb.CreateLoginURLResponse{}
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if err := internal.Call(c, "user", "CreateLoginURL", req, res); err != nil {
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return "", err
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}
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return *res.LoginUrl, nil
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}
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// LogoutURL returns a URL that, when visited, signs the user out,
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// then redirects the user to the URL specified by dest.
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func LogoutURL(c context.Context, dest string) (string, error) {
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req := &pb.CreateLogoutURLRequest{
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DestinationUrl: proto.String(dest),
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}
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res := &pb.CreateLogoutURLResponse{}
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if err := internal.Call(c, "user", "CreateLogoutURL", req, res); err != nil {
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return "", err
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}
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return *res.LogoutUrl, nil
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}
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func init() {
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internal.RegisterErrorCodeMap("user", pb.UserServiceError_ErrorCode_name)
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}
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