I'm trying to make a working demo using Spring Boot as a Resource Server and Keycloak as an Authorization Server. Here is project code snippets:
pom.xml
...
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.7.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-oauth2-resource-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
...
App.java
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
}
AppRestController.java
@RestController
public class AppRestController {
@GetMapping("/authenticated")
@PreAuthorize("isAuthenticated()")
public String authenticated() {
return "authenticated";
}
@GetMapping("/permitAll")
@PreAuthorize("permitAll")
public String permitAll() {
return "permitAll";
}
@GetMapping("/support")
@PreAuthorize("hasRole('support')")
public String support() {
return "support";
}
}
application.properties
spring.security.oauth2.resourceserver.jwt.issuer-uri=http://localhost:8083/realms/realm_1/.well-known/openid-configuration
I'm running Keycloak on the port 8083. Get request to the http://localhost:8083/realms/realm_1/.well-known/openid-configuration returns the following response:
{
"issuer": "http://localhost:8083/realms/realm_1",
"authorization_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/auth",
"token_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/token",
"introspection_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/token/introspect",
"userinfo_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/userinfo",
"end_session_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/logout",
"frontchannel_logout_session_supported": true,
"frontchannel_logout_supported": true,
"jwks_uri": "http://localhost:8083/realms/realm_1/protocol/openid-connect/certs",
"check_session_iframe": "http://localhost:8083/realms/realm_1/protocol/openid-connect/login-status-iframe.html",
"grant_types_supported": [
"authorization_code",
"implicit",
"refresh_token",
"password",
"client_credentials",
"urn:ietf:params:oauth:grant-type:device_code",
"urn:openid:params:grant-type:ciba"
],
"acr_values_supported": [
"0",
"1"
],
"response_types_supported": [
"code",
"none",
"id_token",
"token",
"id_token token",
"code id_token",
"code token",
"code id_token token"
],
"subject_types_supported": [
"public",
"pairwise"
],
"id_token_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512"
],
"id_token_encryption_alg_values_supported": [
"RSA-OAEP",
"RSA-OAEP-256",
"RSA1_5"
],
"id_token_encryption_enc_values_supported": [
"A256GCM",
"A192GCM",
"A128GCM",
"A128CBC-HS256",
"A192CBC-HS384",
"A256CBC-HS512"
],
"userinfo_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512",
"none"
],
"userinfo_encryption_alg_values_supported": [
"RSA-OAEP",
"RSA-OAEP-256",
"RSA1_5"
],
"userinfo_encryption_enc_values_supported": [
"A256GCM",
"A192GCM",
"A128GCM",
"A128CBC-HS256",
"A192CBC-HS384",
"A256CBC-HS512"
],
"request_object_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512",
"none"
],
"request_object_encryption_alg_values_supported": [
"RSA-OAEP",
"RSA-OAEP-256",
"RSA1_5"
],
"request_object_encryption_enc_values_supported": [
"A256GCM",
"A192GCM",
"A128GCM",
"A128CBC-HS256",
"A192CBC-HS384",
"A256CBC-HS512"
],
"response_modes_supported": [
"query",
"fragment",
"form_post",
"query.jwt",
"fragment.jwt",
"form_post.jwt",
"jwt"
],
"registration_endpoint": "http://localhost:8083/realms/realm_1/clients-registrations/openid-connect",
"token_endpoint_auth_methods_supported": [
"private_key_jwt",
"client_secret_basic",
"client_secret_post",
"tls_client_auth",
"client_secret_jwt"
],
"token_endpoint_auth_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512"
],
"introspection_endpoint_auth_methods_supported": [
"private_key_jwt",
"client_secret_basic",
"client_secret_post",
"tls_client_auth",
"client_secret_jwt"
],
"introspection_endpoint_auth_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512"
],
"authorization_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512"
],
"authorization_encryption_alg_values_supported": [
"RSA-OAEP",
"RSA-OAEP-256",
"RSA1_5"
],
"authorization_encryption_enc_values_supported": [
"A256GCM",
"A192GCM",
"A128GCM",
"A128CBC-HS256",
"A192CBC-HS384",
"A256CBC-HS512"
],
"claims_supported": [
"aud",
"sub",
"iss",
"auth_time",
"name",
"given_name",
"family_name",
"preferred_username",
"email",
"acr"
],
"claim_types_supported": [
"normal"
],
"claims_parameter_supported": true,
"scopes_supported": [
"openid",
"roles",
"microprofile-jwt",
"offline_access",
"address",
"web-origins",
"acr",
"phone",
"profile",
"email"
],
"request_parameter_supported": true,
"request_uri_parameter_supported": true,
"require_request_uri_registration": true,
"code_challenge_methods_supported": [
"plain",
"S256"
],
"tls_client_certificate_bound_access_tokens": true,
"revocation_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/revoke",
"revocation_endpoint_auth_methods_supported": [
"private_key_jwt",
"client_secret_basic",
"client_secret_post",
"tls_client_auth",
"client_secret_jwt"
],
"revocation_endpoint_auth_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"HS256",
"HS512",
"ES256",
"RS256",
"HS384",
"ES512",
"PS256",
"PS512",
"RS512"
],
"backchannel_logout_supported": true,
"backchannel_logout_session_supported": true,
"device_authorization_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/auth/device",
"backchannel_token_delivery_modes_supported": [
"poll",
"ping"
],
"backchannel_authentication_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/ext/ciba/auth",
"backchannel_authentication_request_signing_alg_values_supported": [
"PS384",
"ES384",
"RS384",
"ES256",
"RS256",
"ES512",
"PS256",
"PS512",
"RS512"
],
"require_pushed_authorization_requests": false,
"pushed_authorization_request_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/ext/par/request",
"mtls_endpoint_aliases": {
"token_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/token",
"revocation_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/revoke",
"introspection_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/token/introspect",
"device_authorization_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/auth/device",
"registration_endpoint": "http://localhost:8083/realms/realm_1/clients-registrations/openid-connect",
"userinfo_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/userinfo",
"pushed_authorization_request_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/ext/par/request",
"backchannel_authentication_endpoint": "http://localhost:8083/realms/realm_1/protocol/openid-connect/ext/ciba/auth"
}
}
To get an access token, I send a post request to the http://localhost:8083/realms/realm_1/protocol/openid-connect/token with password grand type and get the following response:
{
"access_token": "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJuLXRnUjJJUDdfamp6TXhqbU40XzdBSS1Temx4Yk14d3lyamtueGd0bHVzIn0.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.CZZx5tmI80qD84qg_cNjwxE13G6U_q5bm1gFFyvDAb0AZsQpckt83Vp7CyhAy40U7nHnOLaSnoVE3VbJQ65hbKLQiXqNs65GKVEaX0iBDNHGJz1WkWDtC8lox55fbgDaePNE7TGwDx15lIMkBHEdXBrMvl1Cm51Npi7nzsqmu2KdybwvnmVxcFJye3Y_OvbfRgEh2QQP4QrnIl2Qb6BuGcja3FY4SqIVEtMr-ZfXHxi3v9Az3NFWLPKPcGiQmLTVp2tYvAWsVvUWV6tomFGFFKtfaLNyXAk1ztGphPrckkGzIi_T_xKIEh56zD_egURKx0ZiDsTxgzJToRdJt6XIlw",
"expires_in": 299,
"refresh_expires_in": 1799,
"refresh_token": "eyJhbGciOiJIUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJhOWFkOTRlMy02ODIzLTQ0MzMtOWYyZC0xMzYzNTA3OTRhMGIifQ.eyJleHAiOjE2NjM4NDUyNDYsImlhdCI6MTY2Mzg0MzQ0NiwianRpIjoiNDc2Y2M0ZWMtYmMwYS00OTUxLTlkMmItMTk1ZmUzMGQyMzZmIiwiaXNzIjoiaHR0cDovL2xvY2FsaG9zdDo4MDgzL3JlYWxtcy9yZWFsbV8xIiwiYXVkIjoiaHR0cDovL2xvY2FsaG9zdDo4MDgzL3JlYWxtcy9yZWFsbV8xIiwic3ViIjoiMDI5MjRiNDQtNGZlMS00NjRmLTkzYmItY2E3MzkyZTRjNDk4IiwidHlwIjoiUmVmcmVzaCIsImF6cCI6ImNsaWVudC0xIiwic2Vzc2lvbl9zdGF0ZSI6IjBjYWQ2NmE4LWM0NjUtNGNjZS1hYzIxLTc3YTM0MWI1ZWEzMyIsInNjb3BlIjoicHJvZmlsZSBlbWFpbCIsInNpZCI6IjBjYWQ2NmE4LWM0NjUtNGNjZS1hYzIxLTc3YTM0MWI1ZWEzMyJ9.5Kb2XldpwkEKnGC9baRMDdRDLjid-SpZ1NlnZjse9OE",
"token_type": "Bearer",
"not-before-policy": 0,
"session_state": "0cad66a8-c465-4cce-ac21-77a341b5ea33",
"scope": "profile email"
}
Then, I send get request to the http://localhost:8080/permitAll and get 401 response status and the following stacktrace in the logs:
org.springframework.security.oauth2.jwt.JwtDecoderInitializationException: Failed to lazily resolve the supplied JwtDecoder instance
at org.springframework.security.oauth2.jwt.SupplierJwtDecoder.wrapException(SupplierJwtDecoder.java:58) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.jwt.SupplierJwtDecoder.decode(SupplierJwtDecoder.java:49) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationProvider.getJwt(JwtAuthenticationProvider.java:97) ~[spring-security-oauth2-resource-server-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationProvider.authenticate(JwtAuthenticationProvider.java:88) ~[spring-security-oauth2-resource-server-5.7.3.jar:5.7.3]
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:182) ~[spring-security-core-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.server.resource.web.BearerTokenAuthenticationFilter.doFilterInternal(BearerTokenAuthenticationFilter.java:134) ~[spring-security-oauth2-resource-server-5.7.3.jar:5.7.3]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:103) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:89) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:112) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:82) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:55) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.session.DisableEncodeUrlFilter.doFilterInternal(DisableEncodeUrlFilter.java:42) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:346) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:221) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:186) ~[spring-security-web-5.7.3.jar:5.7.3]
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:354) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:267) ~[spring-web-5.3.22.jar:5.3.22]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.3.22.jar:5.3.22]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117) ~[spring-web-5.3.22.jar:5.3.22]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:197) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:360) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:890) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1789) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-9.0.65.jar:9.0.65]
at java.base/java.lang.Thread.run(Thread.java:834) ~[na:na]
Caused by: java.lang.IllegalArgumentException: Unable to resolve the Configuration with the provided Issuer of "http://localhost:8083/realms/realm_1/.well-known/openid-configuration"
at org.springframework.security.oauth2.jwt.JwtDecoderProviderConfigurationUtils.getConfiguration(JwtDecoderProviderConfigurationUtils.java:166) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.jwt.JwtDecoderProviderConfigurationUtils.getConfigurationForIssuerLocation(JwtDecoderProviderConfigurationUtils.java:79) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
at org.springframework.security.oauth2.jwt.JwtDecoders.fromIssuerLocation(JwtDecoders.java:93) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
at org.springframework.boot.autoconfigure.security.oauth2.resource.servlet.OAuth2ResourceServerJwtConfiguration$JwtDecoderConfiguration.lambda$jwtDecoderByIssuerUri$3(OAuth2ResourceServerJwtConfiguration.java:141) ~[spring-boot-autoconfigure-2.7.3.jar:2.7.3]
at org.springframework.security.oauth2.jwt.SupplierJwtDecoder.decode(SupplierJwtDecoder.java:46) ~[spring-security-oauth2-jose-5.7.3.jar:5.7.3]
... 59 common frames omitted
Should just be this in application.properties
spring.security.oauth2.resourceserver.jwt.issuer-uri=http://localhost:8083/realms/realm_1
The issuer should match the issuer from the Keycloak configuration URL.