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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.
* ============LICENSE_END============================================
* ===================================================================
*
*/
package org.onap.clamp.clds.config;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.IOException;
import org.onap.clamp.authorization.CldsUser;
import org.onap.clamp.clds.exception.CldsConfigException;
import org.onap.clamp.clds.exception.CldsUsersException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
/**
* This class is used to enable the HTTP authentication to login. It requires a
* specific JSON file containing the user definition
* (classpath:clds/clds-users.json).
*/
@Configuration
@EnableWebSecurity
@Profile("clamp-default-user")
public class DefaultUserConfiguration extends WebSecurityConfigurerAdapter {
protected static final EELFLogger logger = EELFManager.getInstance().getLogger(DefaultUserConfiguration.class);
private static final String SETUP_WEB_USERS_EXCEPTION_MSG = "Exception occurred during the "
+ " setup of the Web users in memory";
@Autowired
private ClampProperties refProp;
@Value("${clamp.config.security.permission.type.cl:permission-type-cl}")
private String cldsPersmissionTypeCl;
@Value("${CLDS_PERMISSION_INSTANCE:dev}")
private String cldsPermissionInstance;
@Value("${clamp.config.security.encoder:bcrypt}")
private String cldsEncoderMethod;
@Value("${clamp.config.security.encoder.bcrypt.strength:10}")
private Integer cldsBcryptEncoderStrength;
/**
* This method configures on which URL the authorization will be enabled.
*/
@Override
protected void configure(HttpSecurity http) {
try {
http.csrf().disable().httpBasic().and().authorizeRequests().antMatchers("/restservices/clds/v1/user/**")
.authenticated().anyRequest().permitAll().and().logout()
.logoutUrl("/restservices/clds/v1/user/logout").logoutSuccessUrl("/index.html")
.invalidateHttpSession(true).deleteCookies("JSESSIONID").and().sessionManagement()
.maximumSessions(1);
} catch (Exception e) {
logger.error(SETUP_WEB_USERS_EXCEPTION_MSG, e);
throw new CldsUsersException(SETUP_WEB_USERS_EXCEPTION_MSG, e);
}
}
/**
* This method is called by the framework and is used to load all the users
* defined in cldsUsersFile variable (this file path can be configured in the
* application.properties).
*
* @param auth authentication manager builder
*/
@Autowired
public void configureGlobal(AuthenticationManagerBuilder auth) {
// configure algorithm used for password hashing
final PasswordEncoder passwordEncoder = getPasswordEncoder();
try {
CldsUser[] usersList = loadUsers();
// no users defined
if (null == usersList) {
logger.warn("No users defined. Users should be defined under clds-users.json");
return;
}
for (CldsUser user : usersList) {
auth.inMemoryAuthentication().withUser(user.getUser()).password(user.getPassword())
.authorities(user.getPermissionsString()).and().passwordEncoder(passwordEncoder);
}
} catch (Exception e) {
logger.error(SETUP_WEB_USERS_EXCEPTION_MSG, e);
throw new CldsUsersException(SETUP_WEB_USERS_EXCEPTION_MSG, e);
}
}
/**
* This method loads physically the JSON file and convert it to an Array of
* CldsUser.
*
* @return The array of CldsUser
* @throws IOException In case of the file is not found
*/
private CldsUser[] loadUsers() throws IOException {
logger.info("Load from clds-users.properties");
return CldsUserJsonDecoder.decodeJson(refProp.getFileContent("files.cldsUsers"));
}
/**
* This methods returns the chosen encoder for password hashing.
*/
private PasswordEncoder getPasswordEncoder() {
if ("bcrypt".equals(cldsEncoderMethod)) {
return new BCryptPasswordEncoder(cldsBcryptEncoderStrength);
} else {
throw new CldsConfigException(
"Invalid clamp.config.security.encoder value. 'bcrypt' is the only option at this time.");
}
}
}
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