Examples with DirContextOperations org.springframework.ldap.core.DirContextOperations used on opensource projects

Example 56 with DirContextOperations

use of org.springframework.ldap.core.DirContextOperations in project opennms by OpenNMS.

the class KerberosLdapAuthenticationProvider method authenticate.

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
    UsernamePasswordAuthenticationToken auth = (UsernamePasswordAuthenticationToken) authentication;
    /*
         * The incoming username will be in the form of a Kerberos user principal name,
         * e.g. user@EXAMPLE.ORG. We typically need to strip off the realm name before
         * doing any LDAP operations with the username.
         */
    String validatedUsername = trimRealmFromUsername(m_kerberosClient.login(auth.getName(), auth.getCredentials().toString()));
    DirContextOperations ldapUserEntry = m_ldapUserSearch.searchForUser(validatedUsername);
    Collection<? extends GrantedAuthority> grantedAuthorities = m_ldapAuthoritiesPopulator.getGrantedAuthorities(ldapUserEntry, validatedUsername);
    UserDetails userDetails = new User(validatedUsername, "notUsed", true, true, true, true, grantedAuthorities);
    UsernamePasswordAuthenticationToken output = new UsernamePasswordAuthenticationToken(userDetails, auth.getCredentials(), grantedAuthorities);
    return output;
}

Example 57 with DirContextOperations

use of org.springframework.ldap.core.DirContextOperations in project nifi by apache.

the class LdapUserGroupProvider method load.

/**
 * Reloads the tenants.
 */
private void load(final ContextSource contextSource) {
    // create the ldapTemplate based on the context source. use a single source context to use the same connection
    // to support paging when configured
    final SingleContextSource singleContextSource = new SingleContextSource(contextSource.getReadOnlyContext());
    final LdapTemplate ldapTemplate = new LdapTemplate(singleContextSource);
    try {
        final List<User> userList = new ArrayList<>();
        final List<Group> groupList = new ArrayList<>();
        // group dn -> user identifiers lookup
        final Map<String, Set<String>> groupToUserIdentifierMappings = new HashMap<>();
        // user dn -> user lookup
        final Map<String, User> userLookup = new HashMap<>();
        if (performUserSearch) {
            // search controls
            final SearchControls userControls = new SearchControls();
            userControls.setSearchScope(userSearchScope.ordinal());
            // consider paging support for users
            final DirContextProcessor userProcessor;
            if (pageSize == null) {
                userProcessor = new NullDirContextProcessor();
            } else {
                userProcessor = new PagedResultsDirContextProcessor(pageSize);
            }
            // looking for objects matching the user object class
            final AndFilter userFilter = new AndFilter();
            userFilter.and(new EqualsFilter("objectClass", userObjectClass));
            // if a filter has been provided by the user, we add it to the filter
            if (StringUtils.isNotBlank(userSearchFilter)) {
                userFilter.and(new HardcodedFilter(userSearchFilter));
            }
            do {
                userList.addAll(ldapTemplate.search(userSearchBase, userFilter.encode(), userControls, new AbstractContextMapper<User>() {

                    @Override
                    protected User doMapFromContext(DirContextOperations ctx) {
                        // get the user identity
                        final String identity = getUserIdentity(ctx);
                        // build the user
                        final User user = new User.Builder().identifierGenerateFromSeed(identity).identity(identity).build();
                        // store the user for group member later
                        userLookup.put(getReferencedUserValue(ctx), user);
                        if (StringUtils.isNotBlank(userGroupNameAttribute)) {
                            final Attribute attributeGroups = ctx.getAttributes().get(userGroupNameAttribute);
                            if (attributeGroups == null) {
                                logger.warn("User group name attribute [" + userGroupNameAttribute + "] does not exist. Ignoring group membership.");
                            } else {
                                try {
                                    final NamingEnumeration<String> groupValues = (NamingEnumeration<String>) attributeGroups.getAll();
                                    while (groupValues.hasMoreElements()) {
                                        // store the group -> user identifier mapping
                                        groupToUserIdentifierMappings.computeIfAbsent(groupValues.next(), g -> new HashSet<>()).add(user.getIdentifier());
                                    }
                                } catch (NamingException e) {
                                    throw new AuthorizationAccessException("Error while retrieving user group name attribute [" + userIdentityAttribute + "].");
                                }
                            }
                        }
                        return user;
                    }
                }, userProcessor));
            } while (hasMorePages(userProcessor));
        }
        if (performGroupSearch) {
            final SearchControls groupControls = new SearchControls();
            groupControls.setSearchScope(groupSearchScope.ordinal());
            // consider paging support for groups
            final DirContextProcessor groupProcessor;
            if (pageSize == null) {
                groupProcessor = new NullDirContextProcessor();
            } else {
                groupProcessor = new PagedResultsDirContextProcessor(pageSize);
            }
            // looking for objects matching the group object class
            AndFilter groupFilter = new AndFilter();
            groupFilter.and(new EqualsFilter("objectClass", groupObjectClass));
            // if a filter has been provided by the user, we add it to the filter
            if (StringUtils.isNotBlank(groupSearchFilter)) {
                groupFilter.and(new HardcodedFilter(groupSearchFilter));
            }
            do {
                groupList.addAll(ldapTemplate.search(groupSearchBase, groupFilter.encode(), groupControls, new AbstractContextMapper<Group>() {

                    @Override
                    protected Group doMapFromContext(DirContextOperations ctx) {
                        final String dn = ctx.getDn().toString();
                        // get the group identity
                        final String name = getGroupName(ctx);
                        // get the value of this group that may associate it to users
                        final String referencedGroupValue = getReferencedGroupValue(ctx);
                        if (!StringUtils.isBlank(groupMemberAttribute)) {
                            Attribute attributeUsers = ctx.getAttributes().get(groupMemberAttribute);
                            if (attributeUsers == null) {
                                logger.warn("Group member attribute [" + groupMemberAttribute + "] does not exist. Ignoring group membership.");
                            } else {
                                try {
                                    final NamingEnumeration<String> userValues = (NamingEnumeration<String>) attributeUsers.getAll();
                                    while (userValues.hasMoreElements()) {
                                        final String userValue = userValues.next();
                                        if (performUserSearch) {
                                            // find the user by it's referenced attribute and add the identifier to this group
                                            final User user = userLookup.get(userValue);
                                            // ensure the user is known
                                            if (user != null) {
                                                groupToUserIdentifierMappings.computeIfAbsent(referencedGroupValue, g -> new HashSet<>()).add(user.getIdentifier());
                                            } else {
                                                logger.warn(String.format("%s contains member %s but that user was not found while searching users. Ignoring group membership.", name, userValue));
                                            }
                                        } else {
                                            // since performUserSearch is false, then the referenced group attribute must be blank... the user value must be the dn
                                            final String userDn = userValue;
                                            final String userIdentity;
                                            if (useDnForUserIdentity) {
                                                // use the user value to avoid the unnecessary look up
                                                userIdentity = userDn;
                                            } else {
                                                // lookup the user to extract the user identity
                                                userIdentity = getUserIdentity((DirContextAdapter) ldapTemplate.lookup(userDn));
                                            }
                                            // build the user
                                            final User user = new User.Builder().identifierGenerateFromSeed(userIdentity).identity(userIdentity).build();
                                            // add this user
                                            userList.add(user);
                                            groupToUserIdentifierMappings.computeIfAbsent(referencedGroupValue, g -> new HashSet<>()).add(user.getIdentifier());
                                        }
                                    }
                                } catch (NamingException e) {
                                    throw new AuthorizationAccessException("Error while retrieving group name attribute [" + groupNameAttribute + "].");
                                }
                            }
                        }
                        // build this group
                        final Group.Builder groupBuilder = new Group.Builder().identifierGenerateFromSeed(name).name(name);
                        // add all users that were associated with this referenced group attribute
                        if (groupToUserIdentifierMappings.containsKey(referencedGroupValue)) {
                            groupToUserIdentifierMappings.remove(referencedGroupValue).forEach(userIdentifier -> groupBuilder.addUser(userIdentifier));
                        }
                        return groupBuilder.build();
                    }
                }, groupProcessor));
            } while (hasMorePages(groupProcessor));
            // any remaining groupDn's were referenced by a user but not found while searching groups
            groupToUserIdentifierMappings.forEach((referencedGroupValue, userIdentifiers) -> {
                logger.warn(String.format("[%s] are members of %s but that group was not found while searching users. Ignoring group membership.", StringUtils.join(userIdentifiers, ", "), referencedGroupValue));
            });
        } else {
            // since performGroupSearch is false, then the referenced user attribute must be blank... the group value must be the dn
            // groups are not being searched so lookup any groups identified while searching users
            groupToUserIdentifierMappings.forEach((groupDn, userIdentifiers) -> {
                final String groupName;
                if (useDnForGroupName) {
                    // use the dn to avoid the unnecessary look up
                    groupName = groupDn;
                } else {
                    groupName = getGroupName((DirContextAdapter) ldapTemplate.lookup(groupDn));
                }
                // define the group
                final Group.Builder groupBuilder = new Group.Builder().identifierGenerateFromSeed(groupName).name(groupName);
                // add each user
                userIdentifiers.forEach(userIdentifier -> groupBuilder.addUser(userIdentifier));
                // build the group
                groupList.add(groupBuilder.build());
            });
        }
        // record the updated tenants
        tenants.set(new TenantHolder(new HashSet<>(userList), new HashSet<>(groupList)));
    } finally {
        singleContextSource.destroy();
    }
}

Example 58 with DirContextOperations

use of org.springframework.ldap.core.DirContextOperations in project apollo by ctripcorp.

the class ApolloLdapAuthenticationProvider method authenticate.

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
    Assert.isInstanceOf(UsernamePasswordAuthenticationToken.class, authentication, this.messages.getMessage("LdapAuthenticationProvider.onlySupports", "Only UsernamePasswordAuthenticationToken is supported"));
    UsernamePasswordAuthenticationToken userToken = (UsernamePasswordAuthenticationToken) authentication;
    String username = userToken.getName();
    String password = (String) authentication.getCredentials();
    if (this.logger.isDebugEnabled()) {
        this.logger.debug("Processing authentication request for user: " + username);
    }
    if (!StringUtils.hasLength(username)) {
        throw new BadCredentialsException(this.messages.getMessage("LdapAuthenticationProvider.emptyUsername", "Empty Username"));
    }
    if (!StringUtils.hasLength(password)) {
        throw new BadCredentialsException(this.messages.getMessage("AbstractLdapAuthenticationProvider.emptyPassword", "Empty Password"));
    }
    Assert.notNull(password, "Null password was supplied in authentication token");
    DirContextOperations userData = this.doAuthentication(userToken);
    String loginId = userData.getStringAttribute(properties.getMapping().getLoginId());
    UserDetails user = this.userDetailsContextMapper.mapUserFromContext(userData, loginId, this.loadUserAuthorities(userData, loginId, (String) authentication.getCredentials()));
    return this.createSuccessfulAuthentication(userToken, user);
}

Example 59 with DirContextOperations

use of org.springframework.ldap.core.DirContextOperations in project kylo by Teradata.

the class LdapLoginModule method doLogin.

/* (non-Javadoc)
     * @see com.thinkbiganalytics.auth.jaas.AbstractLoginModule#doLogin()
     */
@Override
protected boolean doLogin() throws Exception {
    final NameCallback nameCallback = new NameCallback("Username: ");
    final PasswordCallback passwordCallback = new PasswordCallback("Password: ", false);
    handle(nameCallback, passwordCallback);
    if (nameCallback.getName() == null) {
        throw new AccountException("No username provided for authentication");
    }
    Principal userPrincipal = new UsernamePrincipal(nameCallback.getName());
    String password = new String(passwordCallback.getPassword());
    UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(userPrincipal, password);
    try {
        log.debug("Authenticating: {}", userPrincipal);
        DirContextOperations dirContext = this.authenticator.authenticate(authentication);
        log.debug("Successfully Authenticated: {}", userPrincipal);
        setUserPrincipal(userPrincipal);
        for (GrantedAuthority grant : this.authoritiesPopulator.getGrantedAuthorities(dirContext, nameCallback.getName())) {
            String groupName = grant.getAuthority();
            log.debug("Found group for {}: {}", userPrincipal, groupName);
            if (groupName != null) {
                addNewGroupPrincipal(groupName);
            }
        }
        return true;
    } catch (BadCredentialsException e) {
        throw new CredentialException(e.getMessage());
    }
}

Example 60 with DirContextOperations

use of org.springframework.ldap.core.DirContextOperations in project spring-security by spring-projects.

the class BindAuthenticatorTests method testAuthenticationWithUserSearch.

@Test
public void testAuthenticationWithUserSearch() throws Exception {
    // DirContextAdapter ctx = new DirContextAdapter(new
    // DistinguishedName("uid=bob,ou=people"));
    this.authenticator.setUserSearch(new FilterBasedLdapUserSearch("ou=people", "(uid={0})", this.contextSource));
    this.authenticator.afterPropertiesSet();
    DirContextOperations result = this.authenticator.authenticate(this.bob);
    // ensure we are getting the same attributes back
    assertThat(result.getStringAttribute("cn")).isEqualTo("Bob Hamilton");
    // SEC-1444
    this.authenticator.setUserSearch(new FilterBasedLdapUserSearch("ou=people", "(cn={0})", this.contextSource));
    this.authenticator.authenticate(new UsernamePasswordAuthenticationToken("mouse, jerry", "jerryspassword"));
    this.authenticator.authenticate(new UsernamePasswordAuthenticationToken("slash/guy", "slashguyspassword"));
    // SEC-1661
    this.authenticator.setUserSearch(new FilterBasedLdapUserSearch("ou=\\\"quoted people\\\"", "(cn={0})", this.contextSource));
    this.authenticator.authenticate(new UsernamePasswordAuthenticationToken("quote\"guy", "quoteguyspassword"));
    this.authenticator.setUserSearch(new FilterBasedLdapUserSearch("", "(cn={0})", this.contextSource));
    this.authenticator.authenticate(new UsernamePasswordAuthenticationToken("quote\"guy", "quoteguyspassword"));
}