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ResourceOwnerPasswordTokenGranter.java
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/
ResourceOwnerPasswordTokenGranter.java
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/*
* Copyright 2002-2011 the original author or authors.
*
* 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.springframework.security.oauth2.provider.password;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.authentication.encoding.PasswordEncoder;
import org.springframework.security.authentication.encoding.PlaintextPasswordEncoder;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.common.exceptions.InvalidGrantException;
import org.springframework.security.oauth2.common.exceptions.InvalidScopeException;
import org.springframework.security.oauth2.common.exceptions.UnauthorizedClientException;
import org.springframework.security.oauth2.provider.ClientDetails;
import org.springframework.security.oauth2.provider.ClientDetailsService;
import org.springframework.security.oauth2.provider.ClientToken;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.SaltedClientSecret;
import org.springframework.security.oauth2.provider.TokenGranter;
import org.springframework.security.oauth2.provider.token.AuthorizationServerTokenServices;
/**
* @author Dave Syer
*
*/
public class ResourceOwnerPasswordTokenGranter implements TokenGranter {
private static final String GRANT_TYPE = "password";
private final AuthorizationServerTokenServices tokenServices;
private final ClientDetailsService clientDetailsService;
private final AuthenticationManager authenticationManager;
private PasswordEncoder passwordEncoder = new PlaintextPasswordEncoder();
public ResourceOwnerPasswordTokenGranter(AuthenticationManager authenticationManager,
AuthorizationServerTokenServices tokenServices, ClientDetailsService clientDetailsService) {
this.authenticationManager = authenticationManager;
this.tokenServices = tokenServices;
this.clientDetailsService = clientDetailsService;
}
public OAuth2AccessToken grant(String grantType, Map<String, String> parameters, String clientId,
String clientSecret, Set<String> authorizationScope) {
if (!GRANT_TYPE.equals(grantType)) {
return null;
}
String username = parameters.get("username");
String password = parameters.get("password");
// TODO: move this out to a filter?
ClientDetails clientDetails = clientDetailsService.loadClientByClientId(clientId);
if (clientDetails.isSecretRequired()) {
String assertedSecret = clientSecret;
if (assertedSecret == null) {
throw new UnauthorizedClientException("Client secret is required but not provided.");
}
else {
Object salt = null;
if (clientDetails instanceof SaltedClientSecret) {
salt = ((SaltedClientSecret) clientDetails).getSalt();
}
if (!passwordEncoder.isPasswordValid(clientDetails.getClientSecret(), assertedSecret, salt)) {
throw new UnauthorizedClientException("Invalid client secret.");
}
}
}
if (clientDetails.isScoped()) {
if (authorizationScope.isEmpty()) {
throw new InvalidScopeException("Invalid scope (none)");
}
List<String> validScope = clientDetails.getScope();
for (String scope : authorizationScope) {
if (!validScope.contains(scope)) {
throw new InvalidScopeException("Invalid scope: " + scope);
}
}
}
List<String> authorizedGrantTypes = clientDetails.getAuthorizedGrantTypes();
if (authorizedGrantTypes != null && !authorizedGrantTypes.isEmpty()
&& !authorizedGrantTypes.contains(grantType)) {
throw new InvalidGrantException("Unauthorized grant type: " + grantType);
}
ClientToken clientAuth = new ClientToken(clientId, new HashSet<String>(clientDetails.getResourceIds()),
clientSecret, authorizationScope, clientDetails.getAuthorities());
Authentication userAuth = new UsernamePasswordAuthenticationToken(username, password);
try {
userAuth = authenticationManager.authenticate(userAuth);
}
catch (BadCredentialsException e) {
// If the username/password are wrong the spec says we should send 400/bad grant
throw new InvalidGrantException(e.getMessage());
}
if (userAuth == null || !userAuth.isAuthenticated()) {
throw new InvalidGrantException("Could not authenticate user: " + username);
}
return tokenServices.createAccessToken(new OAuth2Authentication(clientAuth, userAuth));
}
}