func ExampleLogin() {
m := martini.Classic()
m.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
m.Use(oauth2.Google(
goauth2.Client("client_id", "client_secret"),
goauth2.RedirectURL("redirect_url"),
goauth2.Scope("https://www.googleapis.com/auth/drive"),
))
// Tokens are injected to the handlers
m.Get("/", func(tokens oauth2.Tokens) string {
if tokens.Expired() {
return "not logged in, or the access token is expired"
}
return "logged in"
})
// Routes that require a logged in user
// can be protected with oauth2.LoginRequired handler.
// If the user is not authenticated, they will be
// redirected to the login path.
m.Get("/restrict", oauth2.LoginRequired, func(tokens oauth2.Tokens) string {
return tokens.Access()
})
m.Run()
}
func Test_LoginRedirectAfterLoginRequired(t *testing.T) {
recorder := httptest.NewRecorder()
n := negroni.New()
n.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
n.Use(Google(
goauth2.Client("client_id", "client_secret"),
goauth2.RedirectURL("refresh_url"),
goauth2.Scope("x", "y"),
))
n.Use(LoginRequired())
mux := http.NewServeMux()
mux.HandleFunc("/login-required", func(w http.ResponseWriter, req *http.Request) {
t.Log("hi there")
fmt.Fprintf(w, "OK")
})
n.UseHandler(mux)
r, _ := http.NewRequest("GET", "/login-required?key=value", nil)
n.ServeHTTP(recorder, r)
location := recorder.HeaderMap["Location"][0]
if recorder.Code != 302 {
t.Errorf("Not being redirected to the auth page.")
}
if location != "/login?next=%2Flogin-required%3Fkey%3Dvalue" {
t.Errorf("Not being redirected to the right page, %v found", location)
}
}
func TestFetchTokenLocalCacheMiss(t *testing.T) {
m := &mockMemcache{vals: make(tokMap)}
memcacheGob = m
accessTokenCount = 0
delete(tokens, testScopeKey) // clear local cache
f, err := oauth2.New(
AppEngineContext(nil),
oauth2.Scope(testScope),
)
if err != nil {
t.Error(err)
}
tr := f.NewTransport()
c := http.Client{Transport: tr}
c.Get("server")
if w := 1; m.getCount != w {
t.Errorf("bad memcache.Get count: got %v, want %v", m.getCount, w)
}
if w := 1; accessTokenCount != w {
t.Errorf("bad AccessToken count: got %v, want %v", accessTokenCount, w)
}
if w := 1; m.setCount != w {
t.Errorf("bad memcache.Set count: got %v, want %v", m.setCount, w)
}
// Make sure local cache has been populated
_, ok := tokens[testScopeKey]
if !ok {
t.Errorf("local cache not populated!")
}
}
func Example_serviceAccounts() {
// Your credentials should be obtained from the Google
// Developer Console (https://console.developers.google.com).
opts, err := oauth2.New(
// The contents of your RSA private key or your PEM file
// that contains a private key.
// If you have a p12 file instead, you
// can use `openssl` to export the private key into a pem file.
//
// $ openssl pkcs12 -in key.p12 -out key.pem -nodes
//
// It only supports PEM containers with no passphrase.
oauth2.JWTClient(
"*****@*****.**",
[]byte("-----BEGIN RSA PRIVATE KEY-----...")),
oauth2.Scope(
"https://www.googleapis.com/auth/bigquery",
"https://www.googleapis.com/auth/blogger",
),
google.JWTEndpoint(),
// If you would like to impersonate a user, you can
// create a transport with a subject. The following GET
// request will be made on the behalf of [email protected].
// Subject is optional.
oauth2.Subject("*****@*****.**"),
)
if err != nil {
log.Fatal(err)
}
// Initiate an http.Client, the following GET request will be
// authorized and authenticated on the behalf of [email protected].
client := http.Client{Transport: opts.NewTransport()}
client.Get("...")
}
func Example_webServer() {
// Your credentials should be obtained from the Google
// Developer Console (https://console.developers.google.com).
opts, err := oauth2.New(
oauth2.Client("YOUR_CLIENT_ID", "YOUR_CLIENT_SECRET"),
oauth2.RedirectURL("YOUR_REDIRECT_URL"),
oauth2.Scope(
"https://www.googleapis.com/auth/bigquery",
"https://www.googleapis.com/auth/blogger",
),
google.Endpoint(),
)
if err != nil {
log.Fatal(err)
}
// Redirect user to Google's consent page to ask for permission
// for the scopes specified above.
url := opts.AuthCodeURL("state", "online", "auto")
fmt.Printf("Visit the URL for the auth dialog: %v", url)
// Handle the exchange code to initiate a transport
t, err := opts.NewTransportFromCode("exchange-code")
if err != nil {
log.Fatal(err)
}
client := http.Client{Transport: t}
client.Get("...")
}
func NewServer(databaseName string) *martini.ClassicMartini {
m := martini.Classic()
c := config.GetConfig()
// Setup middleware
m.Use(db.DB(databaseName))
m.Use(render.Renderer())
m.Use(cors.Allow(&cors.Options{
AllowOrigins: []string{"http://localhost*"},
AllowMethods: []string{"POST", "GET"},
AllowHeaders: []string{"Origin"},
ExposeHeaders: []string{"Content-Length"},
AllowCredentials: true,
}))
// Google OAuth
m.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte(c.Cookie_Auth),
[]byte(c.Cookie_Enc))))
m.Use(oauth2.Google(
goauth2.Client(c.Client_Id, c.Client_Secret),
goauth2.RedirectURL(c.OAuth_Callback),
goauth2.Scope("email"),
))
// Static Assets
m.Use(martini.Static("frontend/dist"))
// Setup event routes
m.Get(`/events`, controllers.GetAllEvents)
m.Get(`/events/:id`, controllers.GetEvent)
m.Post(`/events`, binding.Json(models.Event{}), binding.ErrorHandler, controllers.AddEvent)
// Setup comment routes
m.Get(`/events/:event_id/comments`, controllers.GetAllComments)
m.Post(`/events/:event_id/comments`, binding.Json(models.Comment{}), binding.ErrorHandler, controllers.AddComment)
// User route for Oauth
m.Get(`/users`, oauth2.LoginRequired, controllers.GetLoggedInUser)
// TODO Update, Delete for events
//m.Put(`/events/:id`, UpdateEvent)
//m.Delete(`/events/:id`, DeleteEvent)
// Add the router action
return m
}
func main() {
secureMux := http.NewServeMux()
// Routes that require a logged in user
// can be protected by using a separate route handler
// If the user is not authenticated, they will be
// redirected to the login path.
secureMux.HandleFunc("/restrict", func(w http.ResponseWriter, req *http.Request) {
token := oauth2.GetToken(req)
fmt.Fprintf(w, "OK: %s", token.Access())
})
secure := negroni.New()
secure.Use(oauth2.LoginRequired())
secure.UseHandler(secureMux)
n := negroni.New()
n.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
n.Use(oauth2.Google(
goauth2.Client("client_id", "client_secret"),
goauth2.RedirectURL("redirect_url"),
goauth2.Scope("https://www.googleapis.com/auth/drive"),
))
router := http.NewServeMux()
//routes added to mux do not require authentication
router.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
token := oauth2.GetToken(req)
if token == nil || token.Expired() {
fmt.Fprintf(w, "not logged in, or the access token is expired")
return
}
fmt.Fprintf(w, "logged in")
return
})
//There is probably a nicer way to handle this than repeat the restricted routes again
//of course, you could use something like gorilla/mux and define prefix / regex etc.
router.Handle("/restrict", secure)
n.UseHandler(router)
n.Run(":3000")
}
func Example_appEngine() {
ctx := appengine.NewContext(nil)
opts, err := oauth2.New(
google.AppEngineContext(ctx),
oauth2.Scope(
"https://www.googleapis.com/auth/bigquery",
"https://www.googleapis.com/auth/blogger",
),
)
if err != nil {
log.Fatal(err)
}
// The following client will be authorized by the App Engine
// app's service account for the provided scopes.
client := http.Client{Transport: opts.NewTransport()}
client.Get("...")
}
func TestFetchTokenLocalCacheExpired(t *testing.T) {
m := &mockMemcache{vals: make(tokMap)}
memcacheGob = m
accessTokenCount = 0
// Pre-populate the local cache
tokens[testScopeKey] = &oauth2.Token{
AccessToken: "mytoken",
Expiry: time.Now().Add(-1 * time.Hour),
}
// Pre-populate the memcache
tok := &oauth2.Token{
AccessToken: "mytoken",
Expiry: time.Now().Add(1 * time.Hour),
}
m.Set(nil, &memcache.Item{
Key: testScopeKey,
Object: *tok,
Expiration: 1 * time.Hour,
})
m.setCount = 0
f, err := oauth2.New(
AppEngineContext(nil),
oauth2.Scope(testScope),
)
if err != nil {
t.Error(err)
}
c := http.Client{Transport: f.NewTransport()}
c.Get("server")
if w := 1; m.getCount != w {
t.Errorf("bad memcache.Get count: got %v, want %v", m.getCount, w)
}
if w := 0; accessTokenCount != w {
t.Errorf("bad AccessToken count: got %v, want %v", accessTokenCount, w)
}
if w := 0; m.setCount != w {
t.Errorf("bad memcache.Set count: got %v, want %v", m.setCount, w)
}
// Make sure local cache remains populated
_, ok := tokens[testScopeKey]
if !ok {
t.Errorf("local cache not populated!")
}
}
func Test_LoginRedirect(t *testing.T) {
recorder := httptest.NewRecorder()
m := martini.New()
m.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
m.Use(Google(
oauth2.Client("client_id", "client_secret"),
oauth2.RedirectURL("redirect_url"),
oauth2.Scope("x", "y"),
))
r, _ := http.NewRequest("GET", "/login", nil)
m.ServeHTTP(recorder, r)
location := recorder.HeaderMap["Location"][0]
if recorder.Code != 302 {
t.Errorf("Not being redirected to the auth page.")
}
if location != "https://accounts.google.com/o/oauth2/auth?client_id=client_id&redirect_uri=redirect_url&response_type=code&scope=x+y&state=%2F" {
t.Errorf("Not being redirected to the right page, %v found", location)
}
}
func Test_LoginRedirectAfterLoginRequired(t *testing.T) {
recorder := httptest.NewRecorder()
m := martini.Classic()
m.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
m.Use(Google(
oauth2.Client("client_id", "client_secret"),
oauth2.RedirectURL("redirect_url"),
oauth2.Scope("x", "y"),
))
m.Get("/login-required", LoginRequired, func(tokens Tokens) (int, string) {
return 200, tokens.Access()
})
r, _ := http.NewRequest("GET", "/login-required?key=value", nil)
m.ServeHTTP(recorder, r)
location := recorder.HeaderMap["Location"][0]
if recorder.Code != 302 {
t.Errorf("Not being redirected to the auth page.")
}
if location != "/login?next=%2Flogin-required%3Fkey%3Dvalue" {
t.Errorf("Not being redirected to the right page, %v found", location)
}
}
func Test_LoginRedirect(t *testing.T) {
recorder := httptest.NewRecorder()
n := negroni.New()
n.Use(sessions.Sessions("my_session", sessions.NewCookieStore([]byte("secret123"))))
n.Use(Google(
goauth2.Client("client_id", "client_secret"),
goauth2.RedirectURL("refresh_url"),
goauth2.Scope("x", "y"),
))
r, _ := http.NewRequest("GET", "/login", nil)
n.ServeHTTP(recorder, r)
location := recorder.HeaderMap["Location"][0]
if recorder.Code != 302 {
t.Errorf("Not being redirected to the auth page.")
}
t.Logf(location)
if strings.HasPrefix("https://accounts.google.com/o/oauth2/auth?access_type=online&approval_prompt=auto&client_id=client_id&redirect_uri=refresh_url&response_type=code&scope=x+y&state=", location) {
t.Errorf("Not being redirected to the right page, %v found", location)
}
}
func Example_serviceAccountsJSON() {
// Your credentials should be obtained from the Google
// Developer Console (https://console.developers.google.com).
// Navigate to your project, then see the "Credentials" page
// under "APIs & Auth".
// To create a service account client, click "Create new Client ID",
// select "Service Account", and click "Create Client ID". A JSON
// key file will then be downloaded to your computer.
opts, err := oauth2.New(
google.ServiceAccountJSONKey("/path/to/your-project-key.json"),
oauth2.Scope(
"https://www.googleapis.com/auth/bigquery",
"https://www.googleapis.com/auth/blogger",
),
)
if err != nil {
log.Fatal(err)
}
// Initiate an http.Client. The following GET request will be
// authorized and authenticated on the behalf of
// your service account.
client := http.Client{Transport: opts.NewTransport()}
client.Get("...")
}