Function UserAuthentication

src/internal/authentication/authentication.go:213–246

UserAuthentication : user authentication

(username, password string)

// UserAuthentication : user authentication
func UserAuthentication(username, password string) (token string, err error) {

	err = checkInit()
	if err != nil {
		return
	}

	var login = func(username, password string, loginData map[string]interface{}) (err error) {
		err = createError(010)

		var salt = loginData["_salt"].(string)
		var loginUsername = loginData["_username"].(string)
		var loginPassword = loginData["_password"].(string)

		if SHA256(username, salt) == loginUsername {
			if SHA256(password, salt) == loginPassword {
				err = nil
			}
		}

		return
	}

	var users = data["users"].(map[string]interface{})
	for id, loginData := range users {
		err = login(username, password, loginData.(map[string]interface{}))
		if err == nil {
			token = setToken(id, "-")
			return
		}
	}

	return
}

// CheckTheValidityOfTheToken : check token
func CheckTheValidityOfTheToken(token string) (newToken string, err error) {