// AutoSignIn reads cookie and try to auto-login.
func AutoSignIn(ctx *context.Context) (bool, error) {
if !models.HasEngine {
return false, nil
}
uname := ctx.GetCookie(setting.CookieUserName)
if len(uname) == 0 {
return false, nil
}
isSucceed := false
defer func() {
if !isSucceed {
log.Trace("auto-login cookie cleared: %s", uname)
ctx.SetCookie(setting.CookieUserName, "", -1, setting.AppSubUrl)
ctx.SetCookie(setting.CookieRememberName, "", -1, setting.AppSubUrl)
}
}()
u, err := models.GetUserByName(uname)
if err != nil {
if !models.IsErrUserNotExist(err) {
return false, fmt.Errorf("GetUserByName: %v", err)
}
return false, nil
}
if val, _ := ctx.GetSuperSecureCookie(
base.EncodeMD5(u.Rands+u.Passwd), setting.CookieRememberName); val != u.Name {
return false, nil
}
isSucceed = true
ctx.Session.Set("uid", u.ID)
ctx.Session.Set("uname", u.Name)
ctx.SetCookie(setting.CSRFCookieName, "", -1, setting.AppSubUrl)
return true, nil
}