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)
}
