/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 *
 *      http://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 org.apache.camel.component.file.remote.integration;

import java.util.ArrayList;
import java.util.List;

import org.apache.camel.CamelExecutionException;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.file.remote.sftp.integration.SftpServerTestSupport;
import org.apache.camel.component.mock.MockEndpoint;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

public class SftpKeyExchangeProtocolsIT extends SftpServerTestSupport {

    protected String getFtpUrl() {
        return "sftp://admin@localhost:{{ftp.server.port}}/keyExchangeProtocols/?password=admin"
               + "&noop=true";
    }

    @Test
    public void testNonExistingKey() throws Exception {
        Throwable exception = Assertions.assertThrows(CamelExecutionException.class,
                () -> template.sendBodyAndHeader("sftp://admin@localhost:{{ftp.server.port}}/keyExchangeProtocols?" +
                                                 "password=admin" +
                                                 "&keyExchangeProtocols=nonExistingKeyExchange",
                        "a", Exchange.FILE_NAME,
                        "a.txt"));

        final List<String> errorMessages = new ArrayList<>();
        while (exception.getCause() != null) {
            errorMessages.add(exception.getCause().getMessage());
            exception = exception.getCause();
        }

        MatcherAssert.assertThat(errorMessages, Matchers.hasItem("Algorithm negotiation fail"));
    }

    @Test
    public void testSingleKey() throws Exception {
        final MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);

        template.sendBodyAndHeader("sftp://admin@localhost:{{ftp.server.port}}/keyExchangeProtocols" +
                                   "?password=admin" +
                                   "&keyExchangeProtocols=ecdh-sha2-nistp384",
                "a", Exchange.FILE_NAME,
                "a.txt");

        mock.assertIsSatisfied();
    }

    @Test
    public void testMultipleKey() throws Exception {
        final MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);

        template.sendBodyAndHeader("sftp://admin@localhost:{{ftp.server.port}}/keyExchangeProtocols" +
                                   "?password=admin" +
                                   "&keyExchangeProtocols=ecdh-sha2-nistp384,diffie-hellman-group-exchange-sha256,nonExistingKey",
                "a", Exchange.FILE_NAME,
                "a.txt");

        mock.assertIsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from(getFtpUrl()).routeId("myRoute").to("mock:result");
            }
        };
    }
}

@@ -1478,32 +1478,49 @@
 p.server.port%7D%7D/
+%7B%7Bftp.root.dir%7D%7D/
 keyExchangeProto
@@ -1541,16 +1541,16 @@
 =admin%22%0A
-
         
@@ -1752,32 +1752,57 @@
   () -%3E template
+%0A                        
 .sendBodyAndHead
@@ -1840,32 +1840,49 @@
 p.server.port%7D%7D/
+%7B%7Bftp.root.dir%7D%7D/
 keyExchangeProto
@@ -1933,22 +1933,16 @@
         
-      
 %22passwor
@@ -1987,38 +1987,32 @@
                 
-     
- 
 %22&keyExchangePro
@@ -2059,32 +2059,40 @@
                 
+        
 %22a%22, Exchange.FI
@@ -2092,32 +2092,40 @@
 ange.FILE_NAME,%0A
+        
                 
@@ -2717,32 +2717,49 @@
 p.server.port%7D%7D/
+%7B%7Bftp.root.dir%7D%7D/
 keyExchangeProto
@@ -3169,32 +3169,32 @@
 ssageCount(1);%0A%0A
-
         template
@@ -3256,16 +3256,33 @@
 .port%7D%7D/
+%7B%7Bftp.root.dir%7D%7D/
 keyExcha

Allow to configure KEX Algorithms (#5490)