Fix unconsumed parameter exception when authenticating with jwtUrlPar…

…ameter (#3975)

Signed-off-by: Craig Perkins <cwperx@amazon.com>
Signed-off-by: Peter Nied <peternied@hotmail.com>
Signed-off-by: Peter Nied <petern@amazon.com>
Co-authored-by: Peter Nied <petern@amazon.com>
Co-authored-by: Peter Nied <peternied@hotmail.com>
(cherry picked from commit ccea744)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/integrationTest/java/org/opensearch/security/http/JwtAuthenticationWithUrlParamTests.java

@@ -0,0 +1,108 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ */
+package org.opensearch.security.http;
+
+import java.security.KeyPair;
+import java.util.Base64;
+import java.util.List;
+import java.util.Map;
+
+import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope;
+import org.apache.hc.core5.http.Header;
+import org.junit.ClassRule;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.opensearch.test.framework.JwtConfigBuilder;
+import org.opensearch.test.framework.TestSecurityConfig;
+import org.opensearch.test.framework.cluster.ClusterManager;
+import org.opensearch.test.framework.cluster.LocalCluster;
+import org.opensearch.test.framework.cluster.TestRestClient;
+import org.opensearch.test.framework.cluster.TestRestClient.HttpResponse;
+import org.opensearch.test.framework.log.LogsRule;
+
+import io.jsonwebtoken.SignatureAlgorithm;
+import io.jsonwebtoken.security.Keys;
+
+import static java.nio.charset.StandardCharsets.US_ASCII;
+import static org.apache.http.HttpHeaders.AUTHORIZATION;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.opensearch.test.framework.TestSecurityConfig.AuthcDomain.AUTHC_HTTPBASIC_INTERNAL;
+import static org.opensearch.test.framework.TestSecurityConfig.AuthcDomain.BASIC_AUTH_DOMAIN_ORDER;
+import static org.opensearch.test.framework.TestSecurityConfig.Role.ALL_ACCESS;
+
+@RunWith(com.carrotsearch.randomizedtesting.RandomizedRunner.class)
+@ThreadLeakScope(ThreadLeakScope.Scope.NONE)
+public class JwtAuthenticationWithUrlParamTests {
+
+    public static final String CLAIM_USERNAME = "preferred-username";
+    public static final String CLAIM_ROLES = "backend-user-roles";
+    public static final String POINTER_USERNAME = "/user_name";
+
+    private static final KeyPair KEY_PAIR = Keys.keyPairFor(SignatureAlgorithm.RS256);
+    private static final String PUBLIC_KEY = new String(Base64.getEncoder().encode(KEY_PAIR.getPublic().getEncoded()), US_ASCII);
+
+    static final TestSecurityConfig.User ADMIN_USER = new TestSecurityConfig.User("admin").roles(ALL_ACCESS);
+
+    private static final String TOKEN_URL_PARAM = "token";
+
+    private static final JwtAuthorizationHeaderFactory tokenFactory = new JwtAuthorizationHeaderFactory(
+        KEY_PAIR.getPrivate(),
+        CLAIM_USERNAME,
+        CLAIM_ROLES,
+        AUTHORIZATION
+    );
+
+    public static final TestSecurityConfig.AuthcDomain JWT_AUTH_DOMAIN = new TestSecurityConfig.AuthcDomain(
+        "jwt",
+        BASIC_AUTH_DOMAIN_ORDER - 1
+    ).jwtHttpAuthenticator(
+        new JwtConfigBuilder().jwtUrlParameter(TOKEN_URL_PARAM).signingKey(PUBLIC_KEY).subjectKey(CLAIM_USERNAME).rolesKey(CLAIM_ROLES)
+    ).backend("noop");
+
+    @ClassRule
+    public static final LocalCluster cluster = new LocalCluster.Builder().clusterManager(ClusterManager.SINGLENODE)
+        .anonymousAuth(false)
+        .nodeSettings(
+            Map.of("plugins.security.restapi.roles_enabled", List.of("user_" + ADMIN_USER.getName() + "__" + ALL_ACCESS.getName()))
+        )
+        .authc(AUTHC_HTTPBASIC_INTERNAL)
+        .authc(JWT_AUTH_DOMAIN)
+        .users(ADMIN_USER)
+        .build();
+
+    @Rule
+    public LogsRule logsRule = new LogsRule("com.amazon.dlic.auth.http.jwt.HTTPJwtAuthenticator");
+
+    @Test
+    public void shouldAuthenticateWithJwtTokenInUrl_positive() {
+        Header jwtToken = tokenFactory.generateValidToken(ADMIN_USER.getName());
+        String jwtTokenValue = jwtToken.getValue();
+        try (TestRestClient client = cluster.getRestClient()) {
+            HttpResponse response = client.getAuthInfo(Map.of(TOKEN_URL_PARAM, jwtTokenValue));
+
+            response.assertStatusCode(200);
+            String username = response.getTextFromJsonBody(POINTER_USERNAME);
+            assertThat(username, equalTo(ADMIN_USER.getName()));
+        }
+    }
+
+    @Test
+    public void testUnauthenticatedRequest() {
+        try (TestRestClient client = cluster.getRestClient()) {
+            HttpResponse response = client.getAuthInfo();
+
+            response.assertStatusCode(401);
+            logsRule.assertThatContainExactly(String.format("No JWT token found in '%s' url parameter header", TOKEN_URL_PARAM));
+        }
+    }
+}

src/integrationTest/java/org/opensearch/test/framework/JwtConfigBuilder.java

@@ -18,6 +18,7 @@
 
 public class JwtConfigBuilder {
     private String jwtHeader;
+    private String jwtUrlParameter;
     private String signingKey;
     private String subjectKey;
     private String rolesKey;
@@ -27,6 +28,11 @@ public JwtConfigBuilder jwtHeader(String jwtHeader) {
         return this;
     }
 
+    public JwtConfigBuilder jwtUrlParameter(String jwtUrlParameter) {
+        this.jwtUrlParameter = jwtUrlParameter;
+        return this;
+    }
+
     public JwtConfigBuilder signingKey(String signingKey) {
         this.signingKey = signingKey;
         return this;
@@ -51,6 +57,9 @@ public Map<String, Object> build() {
         if (isNoneBlank(jwtHeader)) {
             builder.put("jwt_header", jwtHeader);
         }
+        if (isNoneBlank(jwtUrlParameter)) {
+            builder.put("jwt_url_parameter", jwtUrlParameter);
+        }
         if (isNoneBlank(subjectKey)) {
             builder.put("subject_key", subjectKey);
         }

src/integrationTest/java/org/opensearch/test/framework/cluster/TestRestClient.java

@@ -37,6 +37,7 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -114,6 +115,12 @@ public HttpResponse getAuthInfo(Header... headers) {
         return executeRequest(new HttpGet(getHttpServerUri() + "/_opendistro/_security/authinfo?pretty"), headers);
     }
 
+    public HttpResponse getAuthInfo(Map<String, String> urlParams, Header... headers) {
+        String urlParamsString = "?"
+            + urlParams.entrySet().stream().map(e -> e.getKey() + "=" + e.getValue()).collect(Collectors.joining("&"));
+        return executeRequest(new HttpGet(getHttpServerUri() + "/_opendistro/_security/authinfo" + urlParamsString), headers);
+    }
+
     public void confirmCorrectCredentials(String expectedUserName) {
         HttpResponse response = getAuthInfo();
         assertThat(response, notNullValue());

src/main/java/org/opensearch/security/filter/NettyRequest.java

@@ -14,12 +14,17 @@
 import java.net.InetSocketAddress;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import java.util.TreeMap;
 import javax.net.ssl.SSLEngine;
 
+import com.google.common.base.Supplier;
+import com.google.common.base.Suppliers;
+
 import org.opensearch.http.netty4.Netty4HttpChannel;
 import org.opensearch.rest.RestRequest.Method;
 import org.opensearch.rest.RestUtils;
@@ -34,6 +39,7 @@ public class NettyRequest implements SecurityRequest {
 
     protected final HttpRequest underlyingRequest;
     protected final Netty4HttpChannel underlyingChannel;
+    protected final Supplier<CheckedAccessMap> parameters = Suppliers.memoize(() -> new CheckedAccessMap(params(uri())));
 
     NettyRequest(final HttpRequest request, final Netty4HttpChannel channel) {
         this.underlyingRequest = request;
@@ -78,7 +84,12 @@ public String uri() {
 
     @Override
     public Map<String, String> params() {
-        return params(underlyingRequest.uri());
+        return parameters.get();
+    }
+
+    @Override
+    public Set<String> getUnconsumedParams() {
+        return parameters.get().accessedKeys();
     }
 
     private static Map<String, String> params(String uri) {
@@ -96,4 +107,26 @@ private static Map<String, String> params(String uri) {
 
         return params;
     }
+
+    /** Records access of any keys if explicitly requested from this map */
+    private static class CheckedAccessMap extends HashMap<String, String> {
+        private final Set<String> accessedKeys = new HashSet<>();
+
+        public CheckedAccessMap(final Map<String, String> map) {
+            super(map);
+        }
+
+        @Override
+        public String get(final Object key) {
+            // Never noticed this about java's map interface the getter is not generic
+            if (key instanceof String) {
+                accessedKeys.add((String) key);
+            }
+            return super.get(key);
+        }
+
+        public Set<String> accessedKeys() {
+            return accessedKeys;
+        }
+    }
 }

src/main/java/org/opensearch/security/filter/OpenSearchRequest.java

@@ -12,9 +12,11 @@
 package org.opensearch.security.filter;
 
 import java.net.InetSocketAddress;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import javax.net.ssl.SSLEngine;
 
 import org.opensearch.rest.RestRequest;
@@ -71,7 +73,18 @@ public String uri() {
 
     @Override
     public Map<String, String> params() {
-        return underlyingRequest.params();
+        return new HashMap<>(underlyingRequest.params()) {
+            @Override
+            public String get(Object key) {
+                return underlyingRequest.param((String) key);
+            }
+        };
+    }
+
+    @Override
+    public Set<String> getUnconsumedParams() {
+        // params() Map consumes explict parameter access
+        return Set.of();
     }
 
     /** Gets access to the underlying request object */

src/main/java/org/opensearch/security/filter/SecurityRequest.java

@@ -15,6 +15,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import java.util.stream.Stream;
 import javax.net.ssl.SSLEngine;
 
@@ -49,4 +50,7 @@ default String header(final String headerName) {
 
     /** The parameters associated with this request */
     Map<String, String> params();
+
+    /** The list of parameters that have been accessed but not recorded as being consumed */
+    Set<String> getUnconsumedParams();
 }

src/main/java/org/opensearch/security/filter/SecurityRequestChannel.java

@@ -14,13 +14,13 @@
 import java.util.Optional;
 
 /**
- * When a request is recieved by the security plugin this governs getting information about the request and complete with with a response
+ * When a request is received by the security plugin this governs getting information about the request and complete with a response
  */
 public interface SecurityRequestChannel extends SecurityRequest {
 
     /** Associate a response with this channel */
     void queueForSending(final SecurityResponse response);
 
-    /** Acess the queued response */
+    /** Access the queued response */
     Optional<SecurityResponse> getQueuedResponse();
 }

src/main/java/org/opensearch/security/filter/SecurityRestFilter.java

@@ -72,6 +72,7 @@
 import static org.opensearch.security.http.SecurityHttpServerTransport.CONTEXT_TO_RESTORE;
 import static org.opensearch.security.http.SecurityHttpServerTransport.EARLY_RESPONSE;
 import static org.opensearch.security.http.SecurityHttpServerTransport.IS_AUTHENTICATED;
+import static org.opensearch.security.http.SecurityHttpServerTransport.UNCONSUMED_PARAMS;
 
 public class SecurityRestFilter {
 
@@ -144,6 +145,13 @@ public void handleRequest(RestRequest request, RestChannel channel, NodeClient c
                 }
             });
 
+            NettyAttribute.popFrom(request, UNCONSUMED_PARAMS).ifPresent(unconsumedParams -> {
+                for (String unconsumedParam : unconsumedParams) {
+                    // Consume the parameter on the RestRequest
+                    request.param(unconsumedParam);
+                }
+            });
+
             final SecurityRequestChannel requestChannel = SecurityRequestFactory.from(request, channel);
 
             // Authenticate request

src/main/java/org/opensearch/security/http/SecurityHttpServerTransport.java

@@ -26,6 +26,8 @@
 
 package org.opensearch.security.http;
 
+import java.util.Set;
+
 import org.opensearch.common.network.NetworkService;
 import org.opensearch.common.settings.ClusterSettings;
 import org.opensearch.common.settings.Settings;
@@ -47,6 +49,7 @@
 public class SecurityHttpServerTransport extends SecuritySSLNettyHttpServerTransport {
 
     public static final AttributeKey<SecurityResponse> EARLY_RESPONSE = AttributeKey.newInstance("opensearch-http-early-response");
+    public static final AttributeKey<Set<String>> UNCONSUMED_PARAMS = AttributeKey.newInstance("opensearch-http-request-consumed-params");
     public static final AttributeKey<ThreadContext.StoredContext> CONTEXT_TO_RESTORE = AttributeKey.newInstance(
         "opensearch-http-request-thread-context"
     );

src/main/java/org/opensearch/security/ssl/http/netty/Netty4HttpRequestHeaderVerifier.java

@@ -36,6 +36,7 @@
 import static org.opensearch.security.http.SecurityHttpServerTransport.EARLY_RESPONSE;
 import static org.opensearch.security.http.SecurityHttpServerTransport.IS_AUTHENTICATED;
 import static org.opensearch.security.http.SecurityHttpServerTransport.SHOULD_DECOMPRESS;
+import static org.opensearch.security.http.SecurityHttpServerTransport.UNCONSUMED_PARAMS;
 
 @Sharable
 public class Netty4HttpRequestHeaderVerifier extends SimpleChannelInboundHandler<DefaultHttpRequest> {
@@ -84,6 +85,8 @@ public void channelRead0(ChannelHandlerContext ctx, DefaultHttpRequest msg) thro
             // If request channel is completed and a response is sent, then there was a failure during authentication
             restFilter.checkAndAuthenticateRequest(requestChannel);
 
+            ctx.channel().attr(UNCONSUMED_PARAMS).set(requestChannel.getUnconsumedParams());
+
             ThreadContext.StoredContext contextToRestore = threadPool.getThreadContext().newStoredContext(false);
             ctx.channel().attr(CONTEXT_TO_RESTORE).set(contextToRestore);