{"id":5838,"date":"2018-09-25T00:45:55","date_gmt":"2018-09-25T07:45:55","guid":{"rendered":"http:\/\/www.couchbase.com\/blog\/?p=5838"},"modified":"2023-07-20T13:24:02","modified_gmt":"2023-07-20T20:24:02","slug":"oauth-2-dynamic-client-registration","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/oauth-2-dynamic-client-registration\/","title":{"rendered":"Seguran\u00e7a do Spring e registro din\u00e2mico de clientes | OAuth Parte 3"},"content":{"rendered":"<p>J\u00e1 discutimos <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/spring-security-oauth2_authentication\/\">Como configurar uma autentica\u00e7\u00e3o OAuth 2.0<\/a> e <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/custom-token-store-spring-securtiy-oauth2\/\">como criar um armazenamento de token personalizado<\/a>. No \u00faltimo artigo desta s\u00e9rie, voc\u00ea aprender\u00e1 a implementar um registro de cliente din\u00e2mico personalizado usando <strong>seguran\u00e7a de primavera-oauth2<\/strong>. Eu recomendo que voc\u00ea leia\u00a0<a href=\"https:\/\/www.couchbase.com\/blog\/pt\/spring-security-oauth2_authentication\/\">Parte 1<\/a> e <a href=\"https:\/\/www.couchbase.com\/blog\/pt\/custom-token-store-spring-securtiy-oauth2\/\">Parte 2<\/a> primeiro, pois vamos continuar de onde paramos.<\/p>\n<p>Vamos come\u00e7ar criando a entidade respons\u00e1vel por armazenar os dados do cliente:<\/p>\n<pre class=\"lang:java decode:true\">import com.couchbase.client.java.repository.annotation.Id;\r\nimport lombok.Data;\r\nimport lombok.NoArgsConstructor;\r\nimport org.springframework.data.couchbase.core.mapping.Document;\r\n\r\nimport javax.validation.constraints.NotNull;\r\nimport java.util.*;\r\n\r\n@NoArgsConstructor\r\n@Data\r\n@Document\r\npublic class CustomClientDetails extends BasicEntity {\r\n\r\n    @Id\r\n    @NotNull\r\n    private String id;\r\n\r\n    @NotNull\r\n    private String clientId;\r\n    private String clientSecret;\r\n    private Set&lt;String&gt; resourceIds = new HashSet&lt;&gt;();\r\n    private boolean secretRequired;\r\n    private boolean scoped;\r\n    private Set&lt;String&gt; scope = new HashSet&lt;&gt;();\r\n    private Set&lt;String&gt; authorizedGrantTypes = new HashSet&lt;&gt;();\r\n    private Set&lt;String&gt; registeredRedirectUri = new HashSet&lt;&gt;();\r\n    private Collection&lt;String&gt; authorities = new HashSet&lt;&gt;();\r\n    private Integer accessTokenValiditySeconds;\r\n    private  Integer refreshTokenValiditySeconds;\r\n    private boolean autoApprove;\r\n    private Map&lt;String, Object&gt; additionalInformation = new HashMap&lt;&gt;();\r\n}\r\n<\/pre>\n<p>Aqui est\u00e1 o respectivo reposit\u00f3rio:<\/p>\n<pre class=\"lang:default decode:true\">import org.springframework.data.couchbase.core.query.N1qlPrimaryIndexed;\r\nimport org.springframework.data.couchbase.core.query.ViewIndexed;\r\nimport org.springframework.data.couchbase.repository.CouchbasePagingAndSortingRepository;\r\n\r\n\r\n@N1qlPrimaryIndexed\r\n@ViewIndexed(designDoc = \"customClientDetails\")\r\npublic interface CustomClientDetailsRepository extends CouchbasePagingAndSortingRepository&lt;CustomClientDetails, String&gt; {\r\n\r\n    CustomClientDetails findByClientId(String clientId);\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p>Agora, podemos implementar o <strong>ClientDetailsService<\/strong> da classe de seguran\u00e7a do Spring:<\/p>\n<pre class=\"lang:default decode:true\">import org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.security.oauth2.provider.ClientDetails;\r\nimport org.springframework.security.oauth2.provider.ClientDetailsService;\r\nimport org.springframework.security.oauth2.provider.ClientRegistrationException;\r\nimport org.springframework.security.oauth2.provider.client.BaseClientDetails;\r\nimport org.springframework.stereotype.Service;\r\n\r\nimport java.util.stream.Collectors;\r\n\r\n@Service\r\npublic class CouchbaseClientDetailsService implements ClientDetailsService {\r\n\r\n    @Autowired\r\n    private CustomClientDetailsRepository customClientDetailsRepository;\r\n\r\n    @Override\r\n    public ClientDetails loadClientByClientId(String clientId) throws ClientRegistrationException {\r\n\r\n        CustomClientDetails client = customClientDetailsRepository.findByClientId(clientId);\r\n\r\n        String resourceIds = client.getResourceIds().stream().collect(Collectors.joining(\",\"));\r\n        String scopes = client.getScope().stream().collect(Collectors.joining(\",\"));\r\n        String grantTypes = client.getAuthorizedGrantTypes().stream().collect(Collectors.joining(\",\"));\r\n        String authorities = client.getAuthorities().stream().collect(Collectors.joining(\",\"));\r\n\r\n        BaseClientDetails base = new BaseClientDetails(client.getClientId(), resourceIds, scopes, grantTypes, authorities);\r\n        base.setClientSecret(client.getClientSecret());\r\n        base.setAccessTokenValiditySeconds(client.getAccessTokenValiditySeconds());\r\n        base.setRefreshTokenValiditySeconds(client.getRefreshTokenValiditySeconds());\r\n        base.setAdditionalInformation(client.getAdditionalInformation());\r\n        base.setAutoApproveScopes(client.getScope());\r\n        return base;\r\n    }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<p>Observe que estou usando o\u00a0<em><strong>BaseClientDetails<\/strong><\/em> em vez de implementar a classe\u00a0<strong>ClientDetails<\/strong> interface. Essa parece ser a melhor op\u00e7\u00e3o, pois at\u00e9 mesmo a implementa\u00e7\u00e3o padr\u00e3o do JDBC a utiliza.<\/p>\n<p>Por fim, precisamos alterar nosso <strong>AuthorizationServerConfig<\/strong> para usar nosso\u00a0<strong>CouchbaseClientDetailsService:<\/strong><\/p>\n<pre class=\"lang:java decode:true\">@Configuration\r\n@EnableAuthorizationServer\r\npublic class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {\r\n\r\n    @Autowired\r\n    private CouchbaseClientDetailsService couchbaseClientDetailsService;\r\n\r\n    @Override\r\n    public void configure(ClientDetailsServiceConfigurer configurer) throws Exception {\r\n        configurer.withClientDetails(couchbaseClientDetailsService);\r\n    }\r\n\r\n}<\/pre>\n<p>Esta \u00e9 a apar\u00eancia da classe inteira:<\/p>\n<pre class=\"lang:java decode:true\">import org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.security.authentication.AuthenticationManager;\r\nimport org.springframework.security.crypto.password.PasswordEncoder;\r\nimport org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;\r\nimport org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;\r\nimport org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;\r\nimport org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;\r\nimport org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;\r\nimport org.springframework.security.oauth2.provider.token.TokenStore;\r\n\r\n\r\n@Configuration\r\n@EnableAuthorizationServer\r\npublic class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {\r\n\r\n    @Autowired\r\n    private TokenStore tokenStore;\r\n\r\n    @Autowired\r\n    private AuthenticationManager authenticationManager;\r\n\r\n    @Autowired\r\n    private CouchbaseClientDetailsService couchbaseClientDetailsService;\r\n\r\n    @Autowired\r\n    private PasswordEncoder passwordEncoder;\r\n\r\n    @Override\r\n    public void configure(ClientDetailsServiceConfigurer configurer) throws Exception {\r\n        configurer.withClientDetails(couchbaseClientDetailsService);\r\n    }\r\n\r\n    @Override\r\n    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {\r\n        endpoints.tokenStore(tokenStore)\r\n                .authenticationManager(authenticationManager);\r\n    }\r\n\r\n    @Override\r\n    public void configure(\r\n            AuthorizationServerSecurityConfigurer oauthServer)\r\n            throws Exception {\r\n        oauthServer\r\n                .tokenKeyAccess(\"permitAll()\")\r\n                .checkTokenAccess(\"isAuthenticated()\");\r\n    }\r\n\r\n}\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>Agora voc\u00ea pode simplesmente inserir um novo cliente em seu banco de dados e usar essas credenciais para autenticar via OAuth:<\/p>\n<pre class=\"lang:java decode:true\">    static final String GRANT_TYPE_PASSWORD = \"password\";\r\n    static final String AUTHORIZATION_CODE = \"authorization_code\";\r\n    static final String REFRESH_TOKEN = \"refresh_token\";\r\n    static final String IMPLICIT = \"implicit\";\r\n    static final String SCOPE_READ = \"read\";\r\n    static final String SCOPE_WRITE = \"write\";\r\n    static final String TRUST = \"trust\";\r\n\r\n    private void createOauthClients() {\r\n\r\n        CustomClientDetails client = new CustomClientDetails();\r\n        client.setId(\"someId\");\r\n\r\n        client.setResourceIds(new HashSet&lt;&gt;(Arrays.asList(\"resource_id\")) );\r\n        client.setClientId(\"android-client\");\r\n        client.setClientSecret(\"android-secret\");\r\n        client.setAuthorizedGrantTypes(new HashSet&lt;&gt;(Arrays.asList(GRANT_TYPE_PASSWORD, AUTHORIZATION_CODE, REFRESH_TOKEN, IMPLICIT)));\r\n        client.setScope(new HashSet&lt;&gt;(Arrays.asList(SCOPE_READ, SCOPE_WRITE, TRUST)));\r\n        client.setSecretRequired(true);\r\n        client.setAccessTokenValiditySeconds(50000);\r\n        client.setRefreshTokenValiditySeconds(50000);\r\n        client.setScoped(false);\r\n\r\n        customClientDetailsRepository.save(client);\r\n    }<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>TL;DR<\/strong> - O truque \u00e9 implementar o <em><strong>org.springframework.security.oauth2.provider.ClientDetailsService<\/strong><\/em> e pass\u00e1-la como um par\u00e2metro para sua interface\u00a0<em><strong>ClientDetailsServiceConfigurer<\/strong><\/em>:<\/p>\n<pre class=\"lang:java decode:true\">    @Override\r\n    public void configure(ClientDetailsServiceConfigurer configurer) throws Exception {\r\n        configurer.withClientDetails(couchbaseClientDetailsService);\r\n    }<\/pre>\n<p>&nbsp;<\/p>\n<p>Se voc\u00ea tiver alguma d\u00favida, envie-me um tweet para <a href=\"https:\/\/twitter.com\/deniswsrosa\">@deniswsrosa<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>We already discussed how to configure an OAuth 2.0 authentication and how to build a custom token store. In the last article of this series, you will learn how to implement a custom dynamic client registration using spring-security-oauth2.\u00a0I recommend you [&hellip;]<\/p>\n","protected":false},"author":8754,"featured_media":10694,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1815,1818,1813],"tags":[2283],"ppma_author":[9059],"class_list":["post-5838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices-and-tutorials","category-java","category-security","tag-oauth2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Spring-Security-OAuth2: Custom Dynamic Client Registration<\/title>\n<meta name=\"description\" content=\"In this Couchbase blog page you will Learn how to implement a custom dynamic client registration using spring-security-oauth2. 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