github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/core/auth/auth.go (about)

     1  /*
     2   * Copyright (C) 2019 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package auth
    19  
    20  import (
    21  	"github.com/mysteriumnetwork/node/config"
    22  	"github.com/rs/zerolog/log"
    23  )
    24  
    25  // Authenticator wraps CredentialsManager to provide
    26  // an easy way of authentication for builtin UI.
    27  type Authenticator struct {
    28  	manager *CredentialsManager
    29  }
    30  
    31  // NewAuthenticator creates an authenticator.
    32  func NewAuthenticator() *Authenticator {
    33  	pswDir := config.GetString(config.FlagDataDir)
    34  	return &Authenticator{
    35  		manager: NewCredentialsManager(pswDir),
    36  	}
    37  }
    38  
    39  // CheckCredentials checks if provided username and password combo is valid
    40  // comparing it to stored credentials.
    41  func (a *Authenticator) CheckCredentials(username, password string) error {
    42  	return a.manager.Validate(username, password)
    43  }
    44  
    45  // ChangePassword changes user password.
    46  func (a *Authenticator) ChangePassword(username, oldPassword, newPassword string) error {
    47  	err := a.manager.Validate(username, oldPassword)
    48  	if err != nil {
    49  		log.Info().Err(err).Msg("Bad credentials for changing password")
    50  		return ErrUnauthorized
    51  	}
    52  	err = a.manager.SetPassword(newPassword)
    53  	if err != nil {
    54  		log.Info().Err(err).Msg("Error changing password")
    55  		return err
    56  	}
    57  	log.Info().Msgf("%q user password changed successfully", username)
    58  	return nil
    59  }