7003

Committed 01 Sep 2025 09:15AM UTC coverage: 36.277% (+0.008%) from 36.269%

Build # 7003

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web-flow

Commit Message

Merge pull request #1295 from SpiNNakerManchester/fix_oidc_auth

Fix OIDC auth

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52.27

/SpiNNaker-allocserv/src/main/java/uk/ac/manchester/spinnaker/alloc/security/SecurityConfig.java

/*
 * Copyright (c) 2021 The University of Manchester
 *
 * 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
 *
 *     https://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 uk.ac.manchester.spinnaker.alloc.security;

import static org.slf4j.LoggerFactory.getLogger;
import static org.springframework.beans.factory.config.BeanDefinition.ROLE_APPLICATION;
import static org.springframework.beans.factory.config.BeanDefinition.ROLE_SUPPORT;
import static org.springframework.http.HttpMethod.GET;
import static org.springframework.http.MediaType.APPLICATION_JSON;
import static org.springframework.security.web.util.matcher.AntPathRequestMatcher.antMatcher;
import static org.springframework.util.StreamUtils.copyToByteArray;
import static uk.ac.manchester.spinnaker.alloc.security.AppAuthTransformationFilter.clearToken;
import static uk.ac.manchester.spinnaker.alloc.security.Utils.installInjectableTrustStoreAsDefault;
import static uk.ac.manchester.spinnaker.alloc.security.Utils.loadTrustStore;
import static uk.ac.manchester.spinnaker.alloc.security.Utils.trustManager;

import java.io.IOException;
import java.net.URI;
import java.security.GeneralSecurityException;
import java.time.Instant;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;

import javax.net.ssl.X509TrustManager;

import org.apache.commons.logging.LogFactory;
import org.hobsoft.spring.resttemplatelogger.LogFormatter;
import org.hobsoft.spring.resttemplatelogger.LoggingCustomizer;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Role;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpRequest;
import org.springframework.http.RequestEntity;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
import org.springframework.security.core.authority.mapping.SimpleAuthorityMapper;
import org.springframework.security.oauth2.client.http.OAuth2ErrorResponseErrorHandler;
import org.springframework.security.oauth2.core.OAuth2AuthenticatedPrincipal;
import org.springframework.security.oauth2.core.oidc.OidcIdToken;
import org.springframework.security.oauth2.core.oidc.OidcUserInfo;
import org.springframework.security.oauth2.core.oidc.user.OidcUserAuthority;
import org.springframework.security.oauth2.core.user.DefaultOAuth2User;
import org.springframework.security.oauth2.server.resource.introspection.OpaqueTokenIntrospector;
import org.springframework.security.oauth2.server.resource.introspection.SpringOpaqueTokenIntrospector;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.security.web.authentication.logout.LogoutHandler;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
import org.springframework.web.servlet.handler.HandlerMappingIntrospector;

import jakarta.servlet.DispatcherType;
import uk.ac.manchester.spinnaker.alloc.ServiceConfig.URLPathMaker;
import uk.ac.manchester.spinnaker.alloc.SpallocProperties.AuthProperties;
import uk.ac.manchester.spinnaker.utils.UsedInJavadocOnly;

/**
 * The security and administration configuration of the service.
 * <p>
 * <strong>Note:</strong> role expressions ({@link #IS_USER} and
 * {@link #IS_ADMIN}) must be applied (with {@code @}{@link PreAuthorize}) to
 * <em>interfaces</em> of classes (or methods of those interfaces) that are
 * Spring Beans in order for the security interception to be applied correctly.
 * This is the <em>only</em> combination that is known to work reliably.
 *
 * @author Donal Fellows
 */
@EnableWebSecurity
@Role(ROLE_APPLICATION)
@EnableMethodSecurity(prePostEnabled = true)
@UsedInJavadocOnly(PreAuthorize.class)
public class SecurityConfig {
        private static final Logger log = getLogger(SecurityConfig.class);

        /** How to assert that a user must be an admin. */
        public static final String IS_ADMIN = "hasRole('ADMIN')";

        /** How to assert that a user must be an admin. */
        public static final String IS_NMPI_EXEC = "hasRole('NMPI_EXEC')";

        /** How to assert that a user must be able to read summaries. */
        public static final String IS_READER = "hasRole('READER')";

        /** How to filter out job details that a given user may see (or not). */
        public static final String MAY_SEE_JOB_DETAILS = "#permit.admin or "
                        + " #permit.nmpiexec or "
                        + " #permit.name == filterObject.owner.orElse(null)";

        private static final ParameterizedTypeReference<
                        Map<String, Object>> PARAMETERIZED_RESPONSE_TYPE =
                                        new ParameterizedTypeReference<>() {
                                        };

        /**
         * How to assert that a user must be able to make jobs and read job details
         * in depth.
         */
        public static final String IS_USER = "hasRole('USER')";

        private static final String SESSION_COOKIE = "JSESSIONID";

        // ------------------------------------------------------------------------
        // What follows is UGLY stuff to make Java open HTTPS right
        private static X509TrustManager customTm;

        // Static because it has to be done very early.
        static {
                try {
                        installInjectableTrustStoreAsDefault(() -> customTm);
                        log.info("custom SSL trust injection point installed");
                } catch (Exception e) {
                        throw new RuntimeException("failed to set up SSL trust", e);
                }
        }

        /**
         * Builds a custom trust manager to plug into the Java runtime. This is so
         * that we can access resources managed by Keycloak, which is necessary
         * because Java doesn't trust its certificate by default (for messy
         * reasons).
         *
         * @param props
         *            Configuration properties
         * @return the custom trust manager, <em>already injected</em>
         * @throws IOException
         *             If the trust store can't be loaded because of I/O
         * @throws GeneralSecurityException
         *             If there is a security problem with the trust store
         * @see <a href="https://stackoverflow.com/a/24561444/301832">Stack
         *      Overflow</a>
         */
        @Bean
        @Role(ROLE_SUPPORT)
        static X509TrustManager customTrustManager(AuthProperties props)
                        throws IOException, GeneralSecurityException {
                var p = props.getOpenid();
                var tm = trustManager(loadTrustStore(p));
                customTm = tm;
                log.info("set trust store from {}", p.getTruststorePath().getURI());
                return tm;
        }

        // ------------------------------------------------------------------------

        @Autowired
        private BasicAuthEntryPoint authenticationEntryPoint;

        @Autowired
        private LocalAuthenticationProvider<?> localAuthProvider;

        @Autowired
        private AppAuthTransformationFilter authApplicationFilter;

        @Autowired
        private AuthenticationFailureHandler authenticationFailureHandler;

        @Autowired
        private AuthProperties properties;

        @Autowired
        private URLPathMaker urlMaker;

        /**
         * Configure things we plug into.
         *
         * @param auth
         *            The authentication manager builder to configure.
         */
        @Autowired
        public void configureGlobal(AuthenticationManagerBuilder auth) {
                auth.authenticationProvider(localAuthProvider);
        }

        private String oidcPath(String suffix) {
                return urlMaker.systemUrl("perform_oidc/" + suffix);
        }

        /**
         * Set up access control policies where they're not done by method security.
         * The {@code /info} part reveals admin details; you need {@code ROLE_ADMIN}
         * to view it. Everything to do with logging in <strong>must not</strong>
         * require being logged in. For anything else, as long as you are
         * authenticated we're happy. <em>Some</em> calls have additional
         * requirements; those are annotated with {@link PreAuthorize @PreAuthorize}
         * and a suitable auth expression.
         *
         * @param http
         *            Where the configuration is applied to.
         * @param introspector
         *           The introspector used to build request matchers.
         * @throws Exception
         *             If anything goes wrong with setting up.
         */
        private void defineAccessPolicy(HttpSecurity http,
                        HandlerMappingIntrospector introspector) throws Exception {
                http.authorizeHttpRequests((authorize) -> authorize
                                // Allow forwarded requests
                                .dispatcherTypeMatchers(DispatcherType.FORWARD).permitAll()
                                // Login process and static resources are available to all
                                .requestMatchers(antMatcher(urlMaker.systemUrl("login*")),
                                                antMatcher(urlMaker.systemUrl("perform_*")),
                                                antMatcher(oidcPath("**")),
                                                antMatcher(urlMaker.systemUrl("error")),
                                                antMatcher(urlMaker.systemUrl("resources/*")),
                                                antMatcher(urlMaker.serviceUrl("openapi.json")),
                                                antMatcher(urlMaker.serviceUrl("swagger*")),
                                                antMatcher(urlMaker.serviceUrl("index.css")))
                                .permitAll()
                                // Everything else requires post-login
                                .anyRequest().authenticated());
        }

        /**
         * How we handle the mechanics of login with the REST API.
         *
         * @param http
         *            Where the configuration is applied to.
         * @throws Exception
         *             If anything goes wrong with setting up. Not expected.
         */
        private void defineAPILoginRules(HttpSecurity http) throws Exception {
                if (properties.isBasic()) {
                        http.httpBasic((authorize) -> authorize
                                        .authenticationEntryPoint(authenticationEntryPoint));
                }
                if (properties.getOpenid().isEnable()) {
                        http.oauth2ResourceServer((authorize) -> authorize
                                        .authenticationEntryPoint(authenticationEntryPoint)
                                        .opaqueToken(oauth2 -> oauth2
                                                .introspector(new UserInfoOpaqueTokenIntrospector())));
                }
        }

        /**
         * How we handle the mechanics of login within the web UI.
         *
         * @param http
         *            Where the configuration is applied to.
         * @throws Exception
         *             If anything goes wrong with setting up. Not expected.
         */
        private void defineWebUILoginRules(HttpSecurity http) throws Exception {
                var loginUrl = urlMaker.systemUrl("login.html");
                var rootPage = urlMaker.systemUrl("");
                if (properties.getOpenid().isEnable()) {
                        /*
                         * We're both, so we can have logins AND tokens. The logins are for
                         * using the HTML UI, and the tokens are for using from SpiNNaker
                         * tools (especially within the collabratory and the Jupyter
                         * notebook).
                         */
                        http.oauth2Login(oauth2 -> oauth2.loginPage(loginUrl)
                                        .loginProcessingUrl(oidcPath("login/code/*"))
                                        .authorizationEndpoint(
                                                        auth -> auth.baseUri(oidcPath("auth")))
                                        .defaultSuccessUrl(rootPage, true)
                                        .failureUrl(loginUrl + "?error=true")
                                        .userInfoEndpoint(auth -> auth
                                                .userAuthoritiesMapper(userAuthoritiesMapper()))
                                        .permitAll());
                        http.oauth2Client(Customizer.withDefaults());
                }
                if (properties.isLocalForm()) {
                        http.formLogin(auth -> auth.loginPage(loginUrl)
                                        .loginProcessingUrl(urlMaker.systemUrl("perform_login"))
                                        .defaultSuccessUrl(rootPage, true)
                                        .failureUrl(loginUrl + "?error=true")
                                        .failureHandler(authenticationFailureHandler)
                                        .permitAll());
                }
        }

        /**
         * Logging out is common code between the UI and the API, but pretty
         * pointless for Basic Auth as browsers will just log straight back in
         * again. Still, it is meaningful (it invalidates the session).
         *
         * @param http
         *            Where the configuration is applied to.
         * @throws Exception
         *             If anything goes wrong with setting up. Not expected.
         */
        private void defineLogoutRules(HttpSecurity http) throws Exception {
                var loginUrl = urlMaker.systemUrl("login.html");
                http.logout(cust -> cust.logoutUrl(urlMaker.systemUrl("perform_logout"))
                                .addLogoutHandler((req, resp, auth) -> clearToken(req))
                                .deleteCookies(SESSION_COOKIE).invalidateHttpSession(true)
                                .logoutSuccessUrl(loginUrl));
        }

        /**
         * Define our main security controls.
         *
         * @param http
         *            Used to build the filter chain.
         * @param introspector
         *            The introspector used to build request matchers.
         * @return The filter chain that implements the controls.
         * @throws Exception
         *             If anything goes wrong with setting up. Not expected.
         */
        @Bean
        @Role(ROLE_SUPPORT)
        public SecurityFilterChain securityFilter(HttpSecurity http,
                        HandlerMappingIntrospector introspector)
                        throws Exception {
                defineAccessPolicy(http, introspector);
                defineAPILoginRules(http);
                defineWebUILoginRules(http);
                defineLogoutRules(http);
                http.addFilterAfter(authApplicationFilter,
                                BasicAuthenticationFilter.class);
                http.securityContext((securityContext) ->
                                securityContext.requireExplicitSave(false));
                return http.build();
        }

        private final class UserInfoOpaqueTokenIntrospector
                        implements OpaqueTokenIntrospector {
                private final OpaqueTokenIntrospector delegate;

                private final String userInfoUri;

                private UserInfoOpaqueTokenIntrospector() {
                        var p = properties.getOpenid();

                        delegate = SpringOpaqueTokenIntrospector
                                        .withIntrospectionUri(p.getIntrospection())
                                        .clientId(p.getId()).clientSecret(p.getSecret()).build();
                        userInfoUri = p.getUserinfo();
                }

                @Override
                public OAuth2AuthenticatedPrincipal introspect(String token) {
                        var authorized = delegate.introspect(token);
                        Instant issuedAt = authorized.getAttribute("issued-at");
                        Instant expiresAt = authorized.getAttribute("expires-at");

                        var userAttributes = userinfo(token);
                        var authorities = new LinkedHashSet<GrantedAuthority>();
                        var auth = new OidcUserAuthority(
                                        new OidcIdToken(token, issuedAt, expiresAt, userAttributes),
                                        new OidcUserInfo(userAttributes));
                        localAuthProvider.mapAuthorities(auth, authorities);
                        return new DefaultOAuth2User(authorities, userAttributes,
                                        "preferred_username");
                }

                private Map<String, Object> userinfo(String token) {
                        log.debug("Fetching user info from {}", userInfoUri);
                        var headers = new HttpHeaders();
                        headers.setAccept(List.of(APPLICATION_JSON));
                        headers.setBearerAuth(token);
                        var request = new RequestEntity<>(headers, GET,
                                        URI.create(userInfoUri));

                        var restLog = LogFactory.getLog(LoggingCustomizer.class);
                        var restTemplate = new RestTemplateBuilder().customizers(
                                        new LoggingCustomizer(restLog, new Formatter())).build();
                        restTemplate.setErrorHandler(new OAuth2ErrorResponseErrorHandler());
                        var response =
                                        restTemplate.exchange(request, PARAMETERIZED_RESPONSE_TYPE);

                        return response.getBody();
                }
        }

        private final class Formatter implements LogFormatter {

                @Override
                public String formatResponse(ClientHttpResponse response)
                                throws IOException {
                        return String.format("Response:\n    Headers: %s\n    Body: %s",
                                        response.getHeaders(),
                                        new String(copyToByteArray(response.getBody())));
                }

                @Override
                public String formatRequest(HttpRequest request, byte[] body) {
                        return String.format(
                                        "%s Request to %s:\n"
                                        + "    Headers: %s\n"
                                        + "    Body: %s",
                                        request.getMethod(), request.getURI(), request.getHeaders(),
                                        new String(body));
                }
        }

        /**
         * @return A converter that handles the initial extraction of collabratories
         *         and organisations from the info we have available when a user
         *         logs in explicitly in the web UI.
         * @see LocalAuthProviderImpl#mapAuthorities(OidcUserAuthority, Collection)
         */
        @Bean("hbp.collab-and-org.user-converter.shim")
        @Role(ROLE_SUPPORT)
        GrantedAuthoritiesMapper userAuthoritiesMapper() {
                var baseMapper = new SimpleAuthorityMapper();
                return authorities -> {
                        var mappedAuthorities = baseMapper.mapAuthorities(authorities);
                        authorities.forEach(authority -> {
                                /*
                                 * Check for OidcUserAuthority because Spring Security 5.2
                                 * returns each scope as a GrantedAuthority, which we don't care
                                 * about.
                                 */
                                if (authority instanceof OidcUserAuthority) {
                                        localAuthProvider.mapAuthorities(
                                                        (OidcUserAuthority) authority, mappedAuthorities);
                                }
                                mappedAuthorities.add(authority);
                        });
                        return mappedAuthorities;
                };
        }

        @Bean
        @Role(ROLE_SUPPORT)
        LogoutHandler logoutHandler() {
                var handler = new SecurityContextLogoutHandler();
                handler.setClearAuthentication(true);
                handler.setInvalidateHttpSession(true);
                return handler;
        }
}

1	/*
2	* Copyright (c) 2021 The University of Manchester
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package uk.ac.manchester.spinnaker.alloc.security;
17
18	import static org.slf4j.LoggerFactory.getLogger;
19	import static org.springframework.beans.factory.config.BeanDefinition.ROLE_APPLICATION;
20	import static org.springframework.beans.factory.config.BeanDefinition.ROLE_SUPPORT;
21	import static org.springframework.http.HttpMethod.GET;
22	import static org.springframework.http.MediaType.APPLICATION_JSON;
23	import static org.springframework.security.web.util.matcher.AntPathRequestMatcher.antMatcher;
24	import static org.springframework.util.StreamUtils.copyToByteArray;
25	import static uk.ac.manchester.spinnaker.alloc.security.AppAuthTransformationFilter.clearToken;
26	import static uk.ac.manchester.spinnaker.alloc.security.Utils.installInjectableTrustStoreAsDefault;
27	import static uk.ac.manchester.spinnaker.alloc.security.Utils.loadTrustStore;
28	import static uk.ac.manchester.spinnaker.alloc.security.Utils.trustManager;
29
30	import java.io.IOException;
31	import java.net.URI;
32	import java.security.GeneralSecurityException;
33	import java.time.Instant;
34	import java.util.Collection;
35	import java.util.LinkedHashSet;
36	import java.util.List;
37	import java.util.Map;
38
39	import javax.net.ssl.X509TrustManager;
40
41	import org.apache.commons.logging.LogFactory;
42	import org.hobsoft.spring.resttemplatelogger.LogFormatter;
43	import org.hobsoft.spring.resttemplatelogger.LoggingCustomizer;
44	import org.slf4j.Logger;
45	import org.springframework.beans.factory.annotation.Autowired;
46	import org.springframework.boot.web.client.RestTemplateBuilder;
47	import org.springframework.context.annotation.Bean;
48	import org.springframework.context.annotation.Role;
49	import org.springframework.core.ParameterizedTypeReference;
50	import org.springframework.http.HttpHeaders;
51	import org.springframework.http.HttpRequest;
52	import org.springframework.http.RequestEntity;
53	import org.springframework.http.client.ClientHttpResponse;
54	import org.springframework.security.access.prepost.PreAuthorize;
55	import org.springframework.security.config.Customizer;
56	import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
57	import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
58	import org.springframework.security.config.annotation.web.builders.HttpSecurity;
59	import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
60	import org.springframework.security.core.GrantedAuthority;
61	import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
62	import org.springframework.security.core.authority.mapping.SimpleAuthorityMapper;
63	import org.springframework.security.oauth2.client.http.OAuth2ErrorResponseErrorHandler;
64	import org.springframework.security.oauth2.core.OAuth2AuthenticatedPrincipal;
65	import org.springframework.security.oauth2.core.oidc.OidcIdToken;
66	import org.springframework.security.oauth2.core.oidc.OidcUserInfo;
67	import org.springframework.security.oauth2.core.oidc.user.OidcUserAuthority;
68	import org.springframework.security.oauth2.core.user.DefaultOAuth2User;
69	import org.springframework.security.oauth2.server.resource.introspection.OpaqueTokenIntrospector;
70	import org.springframework.security.oauth2.server.resource.introspection.SpringOpaqueTokenIntrospector;
71	import org.springframework.security.web.SecurityFilterChain;
72	import org.springframework.security.web.authentication.AuthenticationFailureHandler;
73	import org.springframework.security.web.authentication.logout.LogoutHandler;
74	import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
75	import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
76	import org.springframework.web.servlet.handler.HandlerMappingIntrospector;
77
78	import jakarta.servlet.DispatcherType;
79	import uk.ac.manchester.spinnaker.alloc.ServiceConfig.URLPathMaker;
80	import uk.ac.manchester.spinnaker.alloc.SpallocProperties.AuthProperties;
81	import uk.ac.manchester.spinnaker.utils.UsedInJavadocOnly;
82
83	/**
84	* The security and administration configuration of the service.
85	* <p>
86	* <strong>Note:</strong> role expressions ({@link #IS_USER} and
87	* {@link #IS_ADMIN}) must be applied (with {@code @}{@link PreAuthorize}) to
88	* <em>interfaces</em> of classes (or methods of those interfaces) that are
89	* Spring Beans in order for the security interception to be applied correctly.
90	* This is the <em>only</em> combination that is known to work reliably.
91	*
92	* @author Donal Fellows
93	*/
94	@EnableWebSecurity
95	@Role(ROLE_APPLICATION)
96	@EnableMethodSecurity(prePostEnabled = true)
97	@UsedInJavadocOnly(PreAuthorize.class)
98	public class SecurityConfig {	2✔
99	private static final Logger log = getLogger(SecurityConfig.class);	2✔
100
101	/** How to assert that a user must be an admin. */
102	public static final String IS_ADMIN = "hasRole('ADMIN')";
103
104	/** How to assert that a user must be an admin. */
105	public static final String IS_NMPI_EXEC = "hasRole('NMPI_EXEC')";
106
107	/** How to assert that a user must be able to read summaries. */
108	public static final String IS_READER = "hasRole('READER')";
109
110	/** How to filter out job details that a given user may see (or not). */
111	public static final String MAY_SEE_JOB_DETAILS = "#permit.admin or "
112	+ " #permit.nmpiexec or "
113	+ " #permit.name == filterObject.owner.orElse(null)";
114
115	private static final ParameterizedTypeReference<
116	Map<String, Object>> PARAMETERIZED_RESPONSE_TYPE =	2✔
117	new ParameterizedTypeReference<>() {	2✔
118	};
119
120	/**
121	* How to assert that a user must be able to make jobs and read job details
122	* in depth.
123	*/
124	public static final String IS_USER = "hasRole('USER')";
125
126	private static final String SESSION_COOKIE = "JSESSIONID";
127
128	// ------------------------------------------------------------------------
129	// What follows is UGLY stuff to make Java open HTTPS right
130	private static X509TrustManager customTm;
131
132	// Static because it has to be done very early.
133	static {
134	try {
135	installInjectableTrustStoreAsDefault(() -> customTm);	2✔
136	log.info("custom SSL trust injection point installed");	2✔
137	} catch (Exception e) {	×
138	throw new RuntimeException("failed to set up SSL trust", e);	×
139	}	2✔
140	}	2✔
141
142	/**
143	* Builds a custom trust manager to plug into the Java runtime. This is so
144	* that we can access resources managed by Keycloak, which is necessary
145	* because Java doesn't trust its certificate by default (for messy
146	* reasons).
147	*
148	* @param props
149	* Configuration properties
150	* @return the custom trust manager, <em>already injected</em>
151	* @throws IOException
152	* If the trust store can't be loaded because of I/O
153	* @throws GeneralSecurityException
154	* If there is a security problem with the trust store
155	* @see <a href="https://stackoverflow.com/a/24561444/301832">Stack
156	* Overflow</a>
157	*/
158	@Bean
159	@Role(ROLE_SUPPORT)
160	static X509TrustManager customTrustManager(AuthProperties props)
161	throws IOException, GeneralSecurityException {
162	var p = props.getOpenid();	2✔
163	var tm = trustManager(loadTrustStore(p));	2✔
164	customTm = tm;	2✔
165	log.info("set trust store from {}", p.getTruststorePath().getURI());	2✔
166	return tm;	2✔
167	}
168
169	// ------------------------------------------------------------------------
170
171	@Autowired
172	private BasicAuthEntryPoint authenticationEntryPoint;
173
174	@Autowired
175	private LocalAuthenticationProvider<?> localAuthProvider;
176
177	@Autowired
178	private AppAuthTransformationFilter authApplicationFilter;
179
180	@Autowired
181	private AuthenticationFailureHandler authenticationFailureHandler;
182
183	@Autowired
184	private AuthProperties properties;
185
186	@Autowired
187	private URLPathMaker urlMaker;
188
189	/**
190	* Configure things we plug into.
191	*
192	* @param auth
193	* The authentication manager builder to configure.
194	*/
195	@Autowired
196	public void configureGlobal(AuthenticationManagerBuilder auth) {
197	auth.authenticationProvider(localAuthProvider);	2✔
198	}	2✔
199
200	private String oidcPath(String suffix) {
201	return urlMaker.systemUrl("perform_oidc/" + suffix);	2✔
202	}
203
204	/**
205	* Set up access control policies where they're not done by method security.
206	* The {@code /info} part reveals admin details; you need {@code ROLE_ADMIN}
207	* to view it. Everything to do with logging in <strong>must not</strong>
208	* require being logged in. For anything else, as long as you are
209	* authenticated we're happy. <em>Some</em> calls have additional
210	* requirements; those are annotated with {@link PreAuthorize @PreAuthorize}
211	* and a suitable auth expression.
212	*
213	* @param http
214	* Where the configuration is applied to.
215	* @param introspector
216	* The introspector used to build request matchers.
217	* @throws Exception
218	* If anything goes wrong with setting up.
219	*/
220	private void defineAccessPolicy(HttpSecurity http,
221	HandlerMappingIntrospector introspector) throws Exception {
222	http.authorizeHttpRequests((authorize) -> authorize	2✔
223	// Allow forwarded requests
224	.dispatcherTypeMatchers(DispatcherType.FORWARD).permitAll()	2✔
225	// Login process and static resources are available to all
226	.requestMatchers(antMatcher(urlMaker.systemUrl("login*")),	2✔
227	antMatcher(urlMaker.systemUrl("perform_*")),	2✔
228	antMatcher(oidcPath("**")),	2✔
229	antMatcher(urlMaker.systemUrl("error")),	2✔
230	antMatcher(urlMaker.systemUrl("resources/*")),	2✔
231	antMatcher(urlMaker.serviceUrl("openapi.json")),	2✔
232	antMatcher(urlMaker.serviceUrl("swagger*")),	2✔
233	antMatcher(urlMaker.serviceUrl("index.css")))	2✔
234	.permitAll()	2✔
235	// Everything else requires post-login
236	.anyRequest().authenticated());	2✔
237	}	2✔
238
239	/**
240	* How we handle the mechanics of login with the REST API.
241	*
242	* @param http
243	* Where the configuration is applied to.
244	* @throws Exception
245	* If anything goes wrong with setting up. Not expected.
246	*/
247	private void defineAPILoginRules(HttpSecurity http) throws Exception {
248	if (properties.isBasic()) {	2!
249	http.httpBasic((authorize) -> authorize	2✔
250	.authenticationEntryPoint(authenticationEntryPoint));	2✔
251	}
252	if (properties.getOpenid().isEnable()) {	2!
253	http.oauth2ResourceServer((authorize) -> authorize	×
254	.authenticationEntryPoint(authenticationEntryPoint)	×
255	.opaqueToken(oauth2 -> oauth2	×
256	.introspector(new UserInfoOpaqueTokenIntrospector())));	×
257	}
258	}	2✔
259
260	/**
261	* How we handle the mechanics of login within the web UI.
262	*
263	* @param http
264	* Where the configuration is applied to.
265	* @throws Exception
266	* If anything goes wrong with setting up. Not expected.
267	*/
268	private void defineWebUILoginRules(HttpSecurity http) throws Exception {
269	var loginUrl = urlMaker.systemUrl("login.html");	2✔
270	var rootPage = urlMaker.systemUrl("");	2✔
271	if (properties.getOpenid().isEnable()) {	2!
272	/*
273	* We're both, so we can have logins AND tokens. The logins are for
274	* using the HTML UI, and the tokens are for using from SpiNNaker
275	* tools (especially within the collabratory and the Jupyter
276	* notebook).
277	*/
278	http.oauth2Login(oauth2 -> oauth2.loginPage(loginUrl)	×
279	.loginProcessingUrl(oidcPath("login/code/*"))	×
280	.authorizationEndpoint(	×
281	auth -> auth.baseUri(oidcPath("auth")))	×
282	.defaultSuccessUrl(rootPage, true)	×
283	.failureUrl(loginUrl + "?error=true")	×
284	.userInfoEndpoint(auth -> auth	×
285	.userAuthoritiesMapper(userAuthoritiesMapper()))	×
286	.permitAll());	×
287	http.oauth2Client(Customizer.withDefaults());	×
288	}
289	if (properties.isLocalForm()) {	2!
290	http.formLogin(auth -> auth.loginPage(loginUrl)	2✔
291	.loginProcessingUrl(urlMaker.systemUrl("perform_login"))	2✔
292	.defaultSuccessUrl(rootPage, true)	2✔
293	.failureUrl(loginUrl + "?error=true")	2✔
294	.failureHandler(authenticationFailureHandler)	2✔
295	.permitAll());	2✔
296	}
297	}	2✔
298
299	/**
300	* Logging out is common code between the UI and the API, but pretty
301	* pointless for Basic Auth as browsers will just log straight back in
302	* again. Still, it is meaningful (it invalidates the session).
303	*
304	* @param http
305	* Where the configuration is applied to.
306	* @throws Exception
307	* If anything goes wrong with setting up. Not expected.
308	*/
309	private void defineLogoutRules(HttpSecurity http) throws Exception {
310	var loginUrl = urlMaker.systemUrl("login.html");	2✔
311	http.logout(cust -> cust.logoutUrl(urlMaker.systemUrl("perform_logout"))	2✔
312	.addLogoutHandler((req, resp, auth) -> clearToken(req))	2✔
313	.deleteCookies(SESSION_COOKIE).invalidateHttpSession(true)	2✔
314	.logoutSuccessUrl(loginUrl));	2✔
315	}	2✔
316
317	/**
318	* Define our main security controls.
319	*
320	* @param http
321	* Used to build the filter chain.
322	* @param introspector
323	* The introspector used to build request matchers.
324	* @return The filter chain that implements the controls.
325	* @throws Exception
326	* If anything goes wrong with setting up. Not expected.
327	*/
328	@Bean
329	@Role(ROLE_SUPPORT)
330	public SecurityFilterChain securityFilter(HttpSecurity http,
331	HandlerMappingIntrospector introspector)
332	throws Exception {
333	defineAccessPolicy(http, introspector);	2✔
334	defineAPILoginRules(http);	2✔
335	defineWebUILoginRules(http);	2✔
336	defineLogoutRules(http);	2✔
337	http.addFilterAfter(authApplicationFilter,	2✔
338	BasicAuthenticationFilter.class);
339	http.securityContext((securityContext) ->	2✔
340	securityContext.requireExplicitSave(false));	2✔
341	return http.build();	2✔
342	}
343
344	private final class UserInfoOpaqueTokenIntrospector
345	implements OpaqueTokenIntrospector {
346	private final OpaqueTokenIntrospector delegate;
347
348	private final String userInfoUri;
349
350	private UserInfoOpaqueTokenIntrospector() {	×
351	var p = properties.getOpenid();	×
352
NEW 353	delegate = SpringOpaqueTokenIntrospector	×
NEW 354	.withIntrospectionUri(p.getIntrospection())	×
NEW 355	.clientId(p.getId()).clientSecret(p.getSecret()).build();	×
356	userInfoUri = p.getUserinfo();	×
357	}	×
358
359	@Override
360	public OAuth2AuthenticatedPrincipal introspect(String token) {
361	var authorized = delegate.introspect(token);	×
362	Instant issuedAt = authorized.getAttribute("issued-at");	×
363	Instant expiresAt = authorized.getAttribute("expires-at");	×
364
365	var userAttributes = userinfo(token);	×
366	var authorities = new LinkedHashSet<GrantedAuthority>();	×
367	var auth = new OidcUserAuthority(	×
368	new OidcIdToken(token, issuedAt, expiresAt, userAttributes),
369	new OidcUserInfo(userAttributes));
370	localAuthProvider.mapAuthorities(auth, authorities);	×
371	return new DefaultOAuth2User(authorities, userAttributes,	×
372	"preferred_username");
373	}
374
375	private Map<String, Object> userinfo(String token) {
NEW 376	log.debug("Fetching user info from {}", userInfoUri);	×
377	var headers = new HttpHeaders();	×
378	headers.setAccept(List.of(APPLICATION_JSON));	×
NEW 379	headers.setBearerAuth(token);	×
NEW 380	var request = new RequestEntity<>(headers, GET,	×
NEW 381	URI.create(userInfoUri));	×
382
383	var restLog = LogFactory.getLog(LoggingCustomizer.class);	×
384	var restTemplate = new RestTemplateBuilder().customizers(	×
385	new LoggingCustomizer(restLog, new Formatter())).build();	×
386	restTemplate.setErrorHandler(new OAuth2ErrorResponseErrorHandler());	×
387	var response =	×
388	restTemplate.exchange(request, PARAMETERIZED_RESPONSE_TYPE);	×
389
390	return response.getBody();	×
391	}
392	}
393
394	private final class Formatter implements LogFormatter {	×
395
396	@Override
397	public String formatResponse(ClientHttpResponse response)
398	throws IOException {
399	return String.format("Response:\n Headers: %s\n Body: %s",	×
400	response.getHeaders(),	×
401	new String(copyToByteArray(response.getBody())));	×
402	}
403
404	@Override
405	public String formatRequest(HttpRequest request, byte[] body) {
406	return String.format(	×
407	"%s Request to %s:\n"
408	+ " Headers: %s\n"
409	+ " Body: %s",
410	request.getMethod(), request.getURI(), request.getHeaders(),	×
411	new String(body));
412	}
413	}
414
415	/**
416	* @return A converter that handles the initial extraction of collabratories
417	* and organisations from the info we have available when a user
418	* logs in explicitly in the web UI.
419	* @see LocalAuthProviderImpl#mapAuthorities(OidcUserAuthority, Collection)
420	*/
421	@Bean("hbp.collab-and-org.user-converter.shim")
422	@Role(ROLE_SUPPORT)
423	GrantedAuthoritiesMapper userAuthoritiesMapper() {
424	var baseMapper = new SimpleAuthorityMapper();	2✔
425	return authorities -> {	2✔
426	var mappedAuthorities = baseMapper.mapAuthorities(authorities);	×
427	authorities.forEach(authority -> {	×
428	/*
429	* Check for OidcUserAuthority because Spring Security 5.2
430	* returns each scope as a GrantedAuthority, which we don't care
431	* about.
432	*/
433	if (authority instanceof OidcUserAuthority) {	×
434	localAuthProvider.mapAuthorities(	×
435	(OidcUserAuthority) authority, mappedAuthorities);
436	}
437	mappedAuthorities.add(authority);	×
438	});	×
439	return mappedAuthorities;	×
440	};
441	}
442
443	@Bean
444	@Role(ROLE_SUPPORT)
445	LogoutHandler logoutHandler() {
446	var handler = new SecurityContextLogoutHandler();	2✔
447	handler.setClearAuthentication(true);	2✔
448	handler.setInvalidateHttpSession(true);	2✔
449	return handler;	2✔
450	}
451	}

SpiNNakerManchester / JavaSpiNNaker / 7003

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