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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 JavaxServletFileUploadDiskTest extends AbstractFileUploadTest<JavaxServletDiskFileUpload, HttpServletRequest, DiskFileItem, DiskFileItemFactory> {
43  
44      public JavaxServletFileUploadDiskTest() {
45          super(new JavaxServletDiskFileUpload());
46      }
47  
48      @Override
49      public List<DiskFileItem> parseUpload(final JavaxServletDiskFileUpload upload, final byte[] bytes, final String contentType) throws FileUploadException {
50          final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, contentType);
51          return upload.parseRequest(new JavaxServletRequestContext(request));
52      }
53  
54      /**
55       * Runs a test with varying file sizes.
56       */
57      @Override
58      @Test
59      public void testFileUpload() throws IOException, FileUploadException {
60          final var baos = new ByteArrayOutputStream();
61          var add = 16;
62          var num = 0;
63          for (var i = 0; i < 16384; i += add) {
64              if (++add == 32) {
65                  add = 16;
66              }
67              final var header = "-----1234\r\n" + "Content-Disposition: form-data; name=\"field" + num++ + "\"\r\n" + "\r\n";
68              baos.write(header.getBytes(StandardCharsets.US_ASCII));
69              for (var j = 0; j < i; j++) {
70                  baos.write((byte) j);
71              }
72              baos.write("\r\n".getBytes(StandardCharsets.US_ASCII));
73          }
74          baos.write("-----1234--\r\n".getBytes(StandardCharsets.US_ASCII));
75  
76          final var fileItems = parseUpload(new JavaxServletDiskFileUpload(), baos.toByteArray());
77          final var fileIter = fileItems.iterator();
78          add = 16;
79          num = 0;
80          for (var i = 0; i < 16384; i += add) {
81              if (++add == 32) {
82                  add = 16;
83              }
84              final var item = fileIter.next();
85              assertEquals("field" + num++, item.getFieldName());
86              final var bytes = item.get();
87              assertEquals(i, bytes.length);
88              for (var j = 0; j < i; j++) {
89                  assertEquals((byte) j, bytes[j]);
90              }
91          }
92          assertTrue(!fileIter.hasNext());
93      }
94  
95      @Test
96      public void testParseImpliedUtf8() throws Exception {
97          // utf8 encoded form-data without explicit content-type encoding
98          // @formatter:off
99          final var text = "-----1234\r\n" +
100                 "Content-Disposition: form-data; name=\"utf8Html\"\r\n" +
101                 "\r\n" +
102                 "Thís ís the coñteñt of the fíle\n" +
103                 "\r\n" +
104                 "-----1234--\r\n";
105         // @formatter:on
106 
107         final var bytes = text.getBytes(StandardCharsets.UTF_8);
108         final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, Constants.CONTENT_TYPE);
109         // @formatter:off
110         final var fileItemFactory = DiskFileItemFactory.builder()
111                 .setCharset(StandardCharsets.UTF_8)
112                 .get();
113         // @formatter:on
114         final var upload = new JavaxServletFileUpload<>(fileItemFactory);
115         final var fileItems = upload.parseRequest(request);
116         final var fileItem = fileItems.get(0);
117         assertTrue(fileItem.getString().contains("coñteñt"), fileItem.getString());
118     }
119 
120     /*
121      * Test case for <a href="https://issues.apache.org/jira/browse/FILEUPLOAD-210">
122      */
123     @Test
124     public void testParseParameterMap() throws Exception {
125         // @formatter:off
126         final var text = "-----1234\r\n" +
127                       "Content-Disposition: form-data; name=\"file\"; filename=\"foo.tab\"\r\n" +
128                       "Content-Type: text/whatever\r\n" +
129                       "\r\n" +
130                       "This is the content of the file\n" +
131                       "\r\n" +
132                       "-----1234\r\n" +
133                       "Content-Disposition: form-data; name=\"field\"\r\n" +
134                       "\r\n" +
135                       "fieldValue\r\n" +
136                       "-----1234\r\n" +
137                       "Content-Disposition: form-data; name=\"multi\"\r\n" +
138                       "\r\n" +
139                       "value1\r\n" +
140                       "-----1234\r\n" +
141                       "Content-Disposition: form-data; name=\"multi\"\r\n" +
142                       "\r\n" +
143                       "value2\r\n" +
144                       "-----1234--\r\n";
145         // @formatter:on
146         final var bytes = text.getBytes(StandardCharsets.US_ASCII);
147         final HttpServletRequest request = new JavaxMockHttpServletRequest(bytes, Constants.CONTENT_TYPE);
148 
149         final var upload = new JavaxServletFileUpload<>(DiskFileItemFactory.builder().get());
150         final var mappedParameters = upload.parseParameterMap(request);
151         assertTrue(mappedParameters.containsKey("file"));
152         assertEquals(1, mappedParameters.get("file").size());
153 
154         assertTrue(mappedParameters.containsKey("field"));
155         assertEquals(1, mappedParameters.get("field").size());
156 
157         assertTrue(mappedParameters.containsKey("multi"));
158         assertEquals(2, mappedParameters.get("multi").size());
159     }
160 
161 }