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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.fileupload2.javax;
19  
20  import static org.junit.jupiter.api.Assertions.assertEquals;
21  import static org.junit.jupiter.api.Assertions.assertTrue;
22  
23  import java.io.ByteArrayOutputStream;
24  import java.io.IOException;
25  import java.nio.charset.StandardCharsets;
26  import java.util.List;
27  
28  import javax.servlet.http.HttpServletRequest;
29  
30  import org.apache.commons.fileupload2.core.AbstractFileUploadTest;
31  import org.apache.commons.fileupload2.core.Constants;
32  import org.apache.commons.fileupload2.core.DiskFileItem;
33  import org.apache.commons.fileupload2.core.DiskFileItemFactory;
34  import org.apache.commons.fileupload2.core.FileUploadException;
35  import org.junit.jupiter.api.Test;
36  
37  /**
38   * Tests {@link JavaxServletFileUpload}.
39   *
40   * @see AbstractFileUploadTest
41   */
42  public class JavaxServletFileUploadTest
43          extends AbstractFileUploadTest<JavaxServletFileUpload<DiskFileItem, DiskFileItemFactory>, HttpServletRequest, DiskFileItem, DiskFileItemFactory> {
44  
45      public JavaxServletFileUploadTest() {
46          super(new JavaxServletFileUpload<>(DiskFileItemFactory.builder().get()));
47      }
48  
49      @Override
50      public List<DiskFileItem> parseUpload(final JavaxServletFileUpload<DiskFileItem, DiskFileItemFactory> upload, final byte[] bytes, final String contentType)
51              throws FileUploadException {
52          final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, contentType);
53          return upload.parseRequest(new JavaxServletRequestContext(request));
54      }
55  
56      /**
57       * Runs a test with varying file sizes.
58       */
59      @Override
60      @Test
61      public void testFileUpload() throws IOException, FileUploadException {
62          final var baos = new ByteArrayOutputStream();
63          var add = 16;
64          var num = 0;
65          for (var i = 0; i < 16384; i += add) {
66              if (++add == 32) {
67                  add = 16;
68              }
69              final var header = "-----1234\r\n" + "Content-Disposition: form-data; name=\"field" + num++ + "\"\r\n" + "\r\n";
70              baos.write(header.getBytes(StandardCharsets.US_ASCII));
71              for (var j = 0; j < i; j++) {
72                  baos.write((byte) j);
73              }
74              baos.write("\r\n".getBytes(StandardCharsets.US_ASCII));
75          }
76          baos.write("-----1234--\r\n".getBytes(StandardCharsets.US_ASCII));
77  
78          final var fileItems = parseUpload(new JavaxServletFileUpload<>(DiskFileItemFactory.builder().get()), baos.toByteArray());
79          final var fileIter = fileItems.iterator();
80          add = 16;
81          num = 0;
82          for (var i = 0; i < 16384; i += add) {
83              if (++add == 32) {
84                  add = 16;
85              }
86              final var item = fileIter.next();
87              assertEquals("field" + num++, item.getFieldName());
88              final var bytes = item.get();
89              assertEquals(i, bytes.length);
90              for (var j = 0; j < i; j++) {
91                  assertEquals((byte) j, bytes[j]);
92              }
93          }
94          assertTrue(!fileIter.hasNext());
95      }
96  
97      @Test
98      public void testParseImpliedUtf8() throws Exception {
99          // utf8 encoded form-data without explicit content-type encoding
100         // @formatter:off
101         final var text = "-----1234\r\n" +
102                 "Content-Disposition: form-data; name=\"utf8Html\"\r\n" +
103                 "\r\n" +
104                 "Thís ís the coñteñt of the fíle\n" +
105                 "\r\n" +
106                 "-----1234--\r\n";
107         // @formatter:on
108 
109         final var bytes = text.getBytes(StandardCharsets.UTF_8);
110         final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, Constants.CONTENT_TYPE);
111         // @formatter:off
112         final var fileItemFactory = DiskFileItemFactory.builder()
113                 .setCharset(StandardCharsets.UTF_8)
114                 .get();
115         // @formatter:on
116         final var upload = new JavaxServletFileUpload<>(fileItemFactory);
117         final var fileItems = upload.parseRequest(request);
118         final var fileItem = fileItems.get(0);
119         assertTrue(fileItem.getString().contains("coñteñt"), fileItem.getString());
120     }
121 
122     /*
123      * Test case for <a href="https://issues.apache.org/jira/browse/FILEUPLOAD-210">
124      */
125     @Test
126     public void testParseParameterMap() throws Exception {
127         // @formatter:off
128         final var text = "-----1234\r\n" +
129                       "Content-Disposition: form-data; name=\"file\"; filename=\"foo.tab\"\r\n" +
130                       "Content-Type: text/whatever\r\n" +
131                       "\r\n" +
132                       "This is the content of the file\n" +
133                       "\r\n" +
134                       "-----1234\r\n" +
135                       "Content-Disposition: form-data; name=\"field\"\r\n" +
136                       "\r\n" +
137                       "fieldValue\r\n" +
138                       "-----1234\r\n" +
139                       "Content-Disposition: form-data; name=\"multi\"\r\n" +
140                       "\r\n" +
141                       "value1\r\n" +
142                       "-----1234\r\n" +
143                       "Content-Disposition: form-data; name=\"multi\"\r\n" +
144                       "\r\n" +
145                       "value2\r\n" +
146                       "-----1234--\r\n";
147         // @formatter:on
148         final var bytes = text.getBytes(StandardCharsets.US_ASCII);
149         final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, Constants.CONTENT_TYPE);
150 
151         final var upload = new JavaxServletFileUpload<>(DiskFileItemFactory.builder().get());
152         final var mappedParameters = upload.parseParameterMap(request);
153         assertTrue(mappedParameters.containsKey("file"));
154         assertEquals(1, mappedParameters.get("file").size());
155 
156         assertTrue(mappedParameters.containsKey("field"));
157         assertEquals(1, mappedParameters.get("field").size());
158 
159         assertTrue(mappedParameters.containsKey("multi"));
160         assertEquals(2, mappedParameters.get("multi").size());
161     }
162 
163 }