core/camel-core/src/test/java/org/apache/camel/component/file/FileProducerJailStartingDirectoryTest.java

/*
 * 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;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Before;
import org.junit.Test;

public class FileProducerJailStartingDirectoryTest extends ContextTestSupport {

    @Override
    @Before
    public void setUp() throws Exception {
        deleteDirectory("target/data/jail");
        super.setUp();
    }

    @Test
    public void testWriteOutsideStartingDirectory() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(0);

        try {
            template.sendBodyAndHeader("direct:start", "Hello World", Exchange.FILE_NAME, "hello.txt");
            fail("Should have thrown exception");
        } catch (Exception e) {
            IllegalArgumentException iae = assertIsInstanceOf(IllegalArgumentException.class, e.getCause());
            assertTrue(iae.getMessage().contains("as the filename is jailed to the starting directory"));
        }

        assertMockEndpointsSatisfied();
    }

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

        template.sendBodyAndHeader("direct:start", "Bye World", Exchange.FILE_NAME, "outbox/bye.txt");

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").setHeader(Exchange.FILE_NAME, simple("../${file:name}")).to("file:target/data/jail/outbox").to("mock:result");
            }
        };
    }
}