content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.activiti.cloud.services.identity.basic;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.security.authentication.AuthenticationProvider;
  import org.springframework.security.authentication.BadCredentialsException;
  import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
  import org.springframework.security.core.Authentication;
  import org.springframework.security.core.AuthenticationException;
  import org.springframework.security.core.userdetails.UserDetails;
  import org.springframework.security.core.userdetails.UserDetailsService;
  
  public class BasicAuthenticationProvider implements AuthenticationProvider {
  
      private UserDetailsService userDetailsService;
  
      @Autowired
      public BasicAuthenticationProvider(UserDetailsService userDetailsService) {
          this.userDetailsService = userDetailsService;
      }
  
      @Override
      public Authentication authenticate(Authentication authentication) throws AuthenticationException {
          String name = authentication.getName();
          String password = authentication.getCredentials().toString();
  
          UserDetails userDetails = userDetailsService.loadUserByUsername(name);
  
          boolean authenticated =
              userDetails.getPassword().equals(password) &&
              userDetails.isAccountNonExpired() &&
              userDetails.isEnabled() &&
              userDetails.isCredentialsNonExpired();
  
          if (authenticated) {
              org.activiti.engine.impl.identity.Authentication.setAuthenticatedUserId(name);
              return new UsernamePasswordAuthenticationToken(name, password, userDetails.getAuthorities());
          } else {
              throw new BadCredentialsException("Authentication failed for this username and password");
          }
      }
  
      @Override
      public boolean supports(Class<?> authentication) {
          return authentication.equals(UsernamePasswordAuthenticationToken.class);
      }
  }
  