Take into account quarkus.resteasy.gzip.max-input in REST Client

Fix quarkusio#12941

extensions/resteasy-classic/rest-client/deployment/src/test/java/io/quarkus/restclient/compression/ClientUsingGzipCompressionTest.java

@@ -0,0 +1,62 @@
+package io.quarkus.restclient.compression;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.WebApplicationException;
+
+import org.apache.http.HttpStatus;
+import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
+import org.eclipse.microprofile.rest.client.inject.RestClient;
+import org.jboss.resteasy.annotations.GZIP;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import io.quarkus.test.QuarkusUnitTest;
+
+public class ClientUsingGzipCompressionTest {
+    @RegisterExtension
+    static final QuarkusUnitTest config = new QuarkusUnitTest()
+            .withApplicationRoot((jar) -> jar
+                    .addClasses(MyResource.class, MyClient.class))
+            .withConfigurationResource("client-using-gzip-application.properties");
+
+    @RestClient
+    MyClient client;
+
+    /**
+     * Test that covers the property `quarkus.resteasy.gzip.max-input`.
+     * Larger payloads than 10 bytes should return HTTP Request Too Large.
+     */
+    @Test
+    public void testGzipMaxInput() {
+        WebApplicationException ex = Assertions.assertThrows(WebApplicationException.class, () -> client.gzip(new byte[11]));
+        assertEquals(HttpStatus.SC_REQUEST_TOO_LONG, ex.getResponse().getStatus());
+
+        // verify shorter message works fine
+        Assertions.assertEquals("Worked!", client.gzip(new byte[10]));
+    }
+
+    @Path("/client")
+    @RegisterRestClient(configKey = "my-client")
+    public interface MyClient {
+
+        @POST
+        @Path("/gzip")
+        String gzip(@GZIP byte[] message);
+
+    }
+
+    @Path("/client")
+    public class MyResource {
+
+        @POST
+        @Path("/gzip")
+        public String gzip(@GZIP String message) {
+            return "Worked!";
+        }
+
+    }
+}

extensions/resteasy-classic/rest-client/deployment/src/test/resources/client-using-gzip-application.properties

@@ -0,0 +1,4 @@
+quarkus.resteasy.gzip.enabled=true
+quarkus.resteasy.gzip.max-input=10
+
+quarkus.rest-client.my-client.url=http://localhost:${quarkus.http.test-port:8081}

extensions/resteasy-classic/resteasy/runtime/src/main/java/io/quarkus/resteasy/runtime/standalone/ResteasyConfigurationMPConfig.java

@@ -2,23 +2,39 @@
 
 import java.util.Collections;
 import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 
 import org.eclipse.microprofile.config.Config;
 import org.eclipse.microprofile.config.ConfigProvider;
+import org.jboss.resteasy.plugins.server.servlet.ResteasyContextParameters;
 import org.jboss.resteasy.spi.ResteasyConfiguration;
 
 /**
  * Some resteasy components use this class for configuration. This bridges MP Config to ResteasyConfiguration
  *
  */
 public class ResteasyConfigurationMPConfig implements ResteasyConfiguration {
+
+    private static final Map<String, String> RESTEASY_QUARKUS_MAPPING_PARAMS = Map.of(
+            ResteasyContextParameters.RESTEASY_GZIP_MAX_INPUT, "quarkus.resteasy.gzip.max-input");
+
     @Override
     public String getParameter(String name) {
         Config config = ConfigProvider.getConfig();
         if (config == null)
             return null;
-        return config.getOptionalValue(name, String.class).orElse(null);
+        Optional<String> value = Optional.empty();
+        String mappedProperty = RESTEASY_QUARKUS_MAPPING_PARAMS.get(name);
+        if (mappedProperty != null) {
+            // try to use quarkus parameter
+            value = config.getOptionalValue(mappedProperty, String.class);
+        }
+
+        // if the parameter name is not mapped or there is no value, use the parameter name as provided
+        return value.or(() -> config.getOptionalValue(name, String.class))
+                .orElse(null);
     }
 
     @Override
@@ -29,6 +45,7 @@ public Set<String> getParameterNames() {
         HashSet<String> set = new HashSet<>();
         for (String name : config.getPropertyNames())
             set.add(name);
+        set.addAll(RESTEASY_QUARKUS_MAPPING_PARAMS.keySet());
         return set;
     }