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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.api.service;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.UUID;
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import org.hibernate.NonUniqueResultException;
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import org.hibernate.criterion.Criterion;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.dao.DataAccessException;
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import org.springframework.dao.IncorrectResultSizeDataAccessException;
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import org.springframework.security.access.AccessDeniedException;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.security.authentication.AuthenticationManager;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.authentication.dao.SaltSource;
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import org.springframework.security.authentication.encoding.PasswordEncoder;
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import org.springframework.security.core.Authentication;
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import org.springframework.security.core.GrantedAuthority;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.security.core.userdetails.UserCache;
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import org.springframework.security.core.userdetails.UserDetails;
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import org.springframework.security.core.userdetails.UsernameNotFoundException;
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import org.springframework.security.core.userdetails.cache.NullUserCache;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.Assert;
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import eu.etaxonomy.cdm.model.common.GrantedAuthorityImpl;
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import eu.etaxonomy.cdm.model.common.User;
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import eu.etaxonomy.cdm.persistence.dao.common.IGrantedAuthorityDao;
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import eu.etaxonomy.cdm.persistence.dao.common.IGroupDao;
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import eu.etaxonomy.cdm.persistence.dao.common.IUserDao;
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import eu.etaxonomy.cdm.persistence.query.MatchMode;
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import eu.etaxonomy.cdm.persistence.query.OrderHint;
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/**
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* Note: All group related functionality has been refactored into a GroupService.
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* The will be removed in a future version.
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*/
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@Service
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@Transactional(readOnly = true)
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// NOTE: no type level @PreAuthorize annotation for this class!
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public class UserService extends ServiceBase<User,IUserDao> implements IUserService {
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protected IGroupDao groupDao;
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protected IGrantedAuthorityDao grantedAuthorityDao;
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private SaltSource saltSource; // = new ReflectionSaltSource();
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private PasswordEncoder passwordEncoder; // = new Md5PasswordEncoder();
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private AuthenticationManager authenticationManager;
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private UserCache userCache = new NullUserCache();
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@Autowired(required = false)
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public void setUserCache(UserCache userCache) {
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Assert.notNull(userCache, "userCache cannot be null");
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this.userCache = userCache;
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}
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@Autowired(required = false)
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public void setPasswordEncoder(PasswordEncoder passwordEncoder) {
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this.passwordEncoder = passwordEncoder;
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}
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@Autowired(required = false)
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public void setSaltSource(SaltSource saltSource) {
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this.saltSource = saltSource;
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}
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@Autowired(required= false)
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public void setAuthenticationManager(AuthenticationManager authenticationManager) {
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this.authenticationManager = authenticationManager;
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}
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@Override
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@Autowired
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protected void setDao(IUserDao dao) {
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this.dao = dao;
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}
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@Autowired
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public void setGroupDao(IGroupDao groupDao) {
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this.groupDao = groupDao;
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}
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@Autowired
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public void setGrantedAuthorityDao(IGrantedAuthorityDao grantedAuthorityDao) {
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this.grantedAuthorityDao = grantedAuthorityDao;
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}
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/**
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* Changes the own password of in the database of the user which is
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* currently authenticated. Requires to supply the old password for security
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* reasons. Refreshes the authentication in the SecurityContext after the
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* password change by re-authenticating the user with the new password.
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*
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* @see org.springframework.security.provisioning.UserDetailsManager#changePassword(java.lang.String,
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* java.lang.String)
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*/
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("isAuthenticated()")
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public void changePassword(String oldPassword, String newPassword) {
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Assert.hasText(oldPassword);
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Assert.hasText(newPassword);
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Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
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if(authentication != null && authentication.getPrincipal() != null && authentication.getPrincipal() instanceof User) {
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// get current authentication and load it from the persistence layer,
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// to make sure we are modifying the instance which is
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// attached to the hibernate session
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User user = (User)authentication.getPrincipal();
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user = dao.load(user.getUuid());
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// check if old password is valid
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authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(user.getUsername(), oldPassword));
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// make new password and set it
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Object salt = this.saltSource.getSalt(user);
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String password = passwordEncoder.encodePassword(newPassword, salt);
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user.setPassword(password);
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dao.update(user);
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// authenticate the user again with the new password
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UsernamePasswordAuthenticationToken newAuthentication = new UsernamePasswordAuthenticationToken(user, user.getPassword(), user.getAuthorities());
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newAuthentication.setDetails(authentication.getDetails());
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SecurityContextHolder.getContext().setAuthentication(newAuthentication);
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userCache.removeUserFromCache(user.getUsername());
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} else {
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throw new AccessDeniedException("Can't change password as no Authentication object found in context for current user.");
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}
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}
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("#username == authentication.name or hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public void changePasswordForUser(String username, String newPassword) {
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Assert.hasText(username);
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Assert.hasText(newPassword);
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try {
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User user = dao.findUserByUsername(username);
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if(user == null) {
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throw new UsernameNotFoundException(username);
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}
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Object salt = this.saltSource.getSalt(user);
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String password = passwordEncoder.encodePassword(newPassword, salt);
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user.setPassword(password);
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dao.update(user);
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userCache.removeUserFromCache(user.getUsername());
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} catch(NonUniqueResultException nure) {
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throw new IncorrectResultSizeDataAccessException("More than one user found with name '" + username + "'", 1);
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}
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}
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public void createUser(UserDetails user) {
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Assert.isInstanceOf(User.class, user);
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String rawPassword = user.getPassword();
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Object salt = this.saltSource.getSalt(user);
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String password = passwordEncoder.encodePassword(rawPassword, salt);
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((User)user).setPassword(password);
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dao.save((User)user);
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}
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public void deleteUser(String username) {
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Assert.hasLength(username);
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User user = dao.findUserByUsername(username);
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if(user != null) {
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dao.delete(user);
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}
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userCache.removeUserFromCache(username);
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.UserDetailsManager#updateUser(org.springframework.security.core.userdetails.UserDetails)
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*/
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public void updateUser(UserDetails user) {
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Assert.isInstanceOf(User.class, user);
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dao.update((User)user);
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userCache.removeUserFromCache(user.getUsername());
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}
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/* (non-Javadoc)
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* @see org.springframework.security.provisioning.UserDetailsManager#userExists(java.lang.String)
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*/
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@Override
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public boolean userExists(String username) {
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Assert.hasText(username);
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User user = dao.findUserByUsername(username);
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return user != null;
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}
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/**
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* <b>DO NOT CALL THIS METHOD IN LONG RUNNING SESSIONS OR CONVERSATIONS
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* A THROWN UsernameNotFoundException WILL RENDER THE CONVERSATION UNUSABLE</b>
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*
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* @see org.springframework.security.core.userdetails.UserDetailsService#loadUserByUsername(java.lang.String)
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*/
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// NOTE: this method must not be secured since it is being used during the
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// authentication process
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@Override
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public UserDetails loadUserByUsername(String username)
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throws UsernameNotFoundException, DataAccessException {
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Assert.hasText(username);
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try {
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User user = dao.findUserByUsername(username);
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if(user == null) {
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throw new UsernameNotFoundException(username);
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}
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return user;
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} catch(NonUniqueResultException nure) {
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throw new IncorrectResultSizeDataAccessException("More than one user found with name '" + username + "'", 1);
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}
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}
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@Override
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@Transactional(readOnly=false)
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// @PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_RUN_AS_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public User save(User user) {
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if(user.getId() == 0 || dao.load(user.getUuid()) == null){
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createUser(user);
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}else{
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updateUser(user);
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}
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return user;
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}
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@Override
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public UUID update(User user) {
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updateUser(user);
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return user.getUuid();
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}
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public UUID saveGrantedAuthority(GrantedAuthority grantedAuthority) {
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return grantedAuthorityDao.save((GrantedAuthorityImpl)grantedAuthority).getUuid();
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}
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@Override
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@Transactional(readOnly = true)
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public List<User> listByUsername(String queryString,MatchMode matchmode, List<Criterion> criteria, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths) {
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long numberOfResults = dao.countByUsername(queryString, matchmode, criteria);
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List<User> results = new ArrayList<>();
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if(numberOfResults > 0) {
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results = dao.findByUsername(queryString, matchmode, criteria, pageSize, pageNumber, orderHints, propertyPaths);
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}
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return results;
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}
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/* ================================================
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* overriding methods to secure them
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* via the type level annotation @PreAuthorize
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* ================================================ */
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public DeleteResult delete(User persistentObject) {
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return super.delete(persistentObject);
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}
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@Override
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@Transactional(readOnly=false)
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public DeleteResult delete(UUID userUuid) {
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return delete(dao.load(userUuid));
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}
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@Override
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@Transactional(readOnly=false)
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public Map<UUID, User> save(Collection<User> newInstances) {
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Map<UUID, User> users = new HashMap<UUID, User>();
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for (User user: newInstances){
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createUser(user);
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users.put(user.getUuid(), user);
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}
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return users;
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}
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@Override
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public UUID saveOrUpdate(User transientObject) {
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return super.saveOrUpdate(transientObject);
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}
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@Override
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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@Transactional(readOnly=false)
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public User merge(User detachedObject) {
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return super.merge(detachedObject);
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}
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@Override
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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@Transactional(readOnly=false)
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public List<User> merge(List<User> detachedObjects) {
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return super.merge(detachedObjects);
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}
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@Override
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@PreAuthorize("hasRole('ROLE_ADMIN') or hasRole('ROLE_USER_MANAGER')")
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public Map<UUID, User> saveOrUpdate(Collection<User> transientInstances) {
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return super.saveOrUpdate(transientInstances);
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}
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}
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