func LoggedIn(w http.ResponseWriter, r *http.Request, s *securecookie.SecureCookie) bool {
if cookie, err := r.Cookie("whiteboard"); err == nil {
value := make(map[string]string)
if err = s.Decode("whiteboard", cookie.Value, &value); err == nil {
return true
}
return false
}
return false
}
// SetMaxAge restricts the maximum age, in seconds, of the session record
// both in database and a browser. This is to change session storage configuration.
// If you want just to remove session use your session `s` object and change it's
// `Options.MaxAge` to -1, as specified in
// http://godoc.org/github.com/gorilla/sessions#Options
//
// Default is the one provided by this package value - `sessionExpire`.
// Set it to 0 for no restriction.
// Because we use `MaxAge` also in SecureCookie crypting algorithm you should
// use this function to change `MaxAge` value.
func (s *DynamoDBStore) SetMaxAge(v int) {
var c *securecookie.SecureCookie
var ok bool
s.Options.MaxAge = v
for i := range s.Codecs {
if c, ok = s.Codecs[i].(*securecookie.SecureCookie); ok {
c.MaxAge(v)
} else {
fmt.Printf("Can't change MaxAge on codec %v\n", s.Codecs[i])
}
}
}
func StoreCookie(w http.ResponseWriter, r *http.Request, storedCookie *securecookie.SecureCookie, cookieName, cookieValue string) {
value := map[string]string{
cookieName: cookieValue,
}
if encoded, err := storedCookie.Encode(cookieName, value); err == nil {
cookie := &http.Cookie{
Name: cookieName,
Value: encoded,
Path: "/",
}
http.SetCookie(w, cookie)
}
}
func FetchCookie(r *http.Request, storedCookie *securecookie.SecureCookie, cookieName string) string {
if cookie, err := r.Cookie(cookieName); err == nil {
value := make(map[string]string)
if cookie != nil {
err = storedCookie.Decode(cookieName, cookie.Value, &value)
if len(value[cookieName]) > 0 && err == nil {
return value[cookieName]
}
}
}
return ""
}
func Connect(w http.ResponseWriter, r *http.Request, u auth.User, sessionStore sessions.Store, secureCookie *securecookie.SecureCookie, dbStore *Store) {
StatCount("connect call", 1)
session, err := sessionStore.Get(r, SESSIONNAME)
if err != nil {
xlog.Errorf("Error fetching session: %v", err)
session, _ = sessionStore.New(r, SESSIONNAME)
}
if userID, ok := session.Values["userID"].(int); ok {
xlog.Debugf("Connect: already logged in (userID = %d), connecting account", userID)
// we have a valid session -> connect account to user
username := u.Provider() + ":" + u.Id()
err := dbStore.AddUser(username, userID)
if err != nil {
xlog.Errorf("Error adding user: %v", err)
http.Error(w, err.Error(), http.StatusForbidden)
return
}
w.Header().Set("Location", "/settings")
} else {
xlog.Debugf("Connect: not logged in, actually log in user.")
// no valid session -> actually login user
username := u.Provider() + ":" + u.Id()
xlog.Debugf("Connect: username = %s", username)
userID, err := dbStore.CreateUser(username)
if err != nil {
xlog.Errorf("Error creating user: %v", err)
http.Error(w, err.Error(), http.StatusForbidden)
return
}
xlog.Debugf("Connect: userID = %d", userID)
// set session values
session.Values["userID"] = userID
session.Values["username"] = username
session.Values["email"] = u.Email()
session.Values["name"] = u.Name()
session.Save(r, w)
// set XSRF-TOKEN for AngularJS
xsrftoken, _ := secureCookie.Encode(XSRFTOKEN, username)
http.SetCookie(w, &http.Cookie{Name: XSRFTOKEN, Value: xsrftoken, Path: "/"})
w.Header().Set("Location", "/")
}
w.WriteHeader(http.StatusFound)
}
func CreateCookie(s *securecookie.SecureCookie) (*http.Cookie, error) {
var err error
// Create secure cookie with login info
value := map[string]string{
"authenticated": "true",
}
if encoded, err := s.Encode("whiteboard", value); err == nil {
cookie := &http.Cookie{
Name: "whiteboard",
Value: encoded,
Path: "/",
}
cookie.MaxAge = 10000
return cookie, err
}
return nil, err
}
func VerifyXSRFToken(w http.ResponseWriter, r *http.Request, sessionStore sessions.Store, secureCookie *securecookie.SecureCookie) bool {
xsrftoken := r.Header.Get(XSRFTOKENHEADER)
userID := ""
err := secureCookie.Decode(XSRFTOKEN, xsrftoken, &userID)
if err == nil {
session, _ := sessionStore.Get(r, SESSIONNAME)
if userID != "" && userID == session.Values["username"].(string) {
xlog.Infof("XSRF verification success for user %s", session.Values["username"].(string))
return true
}
xlog.Errorf("XSRF issue: userID = %s session = %s", userID, session.Values["username"].(string))
}
xlog.Errorf("XSRF verification failed: %v (Request: %#v", err, *r)
http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
StatCount("XSRF verification failed", 1)
return false
}
func (ac *agentCredentials) Cookie(sc *securecookie.SecureCookie) (*http.Cookie, error) {
encoded, err := json.Marshal(ac)
if err != nil {
return nil, err
}
secured, err := sc.Encode(agentCookieName, encoded)
if err != nil {
return nil, err
}
cookie := &http.Cookie{
Name: agentCookieName,
Value: secured,
Path: "/",
Expires: time.Now().Add(agentCookieDuration),
HttpOnly: true,
}
return cookie, nil
}