func MakeChatToken(db *sql.DB, t *UserToken) (*UserToken, error) {
result := NewUserToken()
for selectorExists := true; selectorExists; {
result.Random()
var err error
selectorExists, err = database.CheckChatSelectorExists(db, result.Selector)
if err != nil {
return result, err
}
}
dbToken, err := database.GetToken(db, t.Selector)
if err != nil {
return result, err
}
chatDBToken := result.DBToken()
chatDBToken.UserID = dbToken.UserID
err = database.AddChatToken(db, chatDBToken)
if err != nil {
return result, err
}
return result, nil
}
func CheckUserToken(db *sql.DB, t *UserToken) error {
dbToken, err := database.GetToken(db, t.Selector)
if err != nil {
if err == sql.ErrNoRows {
return ErrInvalidToken
}
return err
}
hash := sha256.Sum256(t.Validator)
if subtle.ConstantTimeCompare(hash[:], dbToken.Token) == 1 {
return nil
}
return ErrInvalidToken
}