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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  package org.apache.commons.fileupload;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertNull;
21  
22  import java.util.Map;
23  
24  import org.junit.Test;
25  
26  /**
27   * Tests for {@link ParameterParser}.
28   */
29  public class ParameterParserTest {
30  
31      @Test
32      public void testContentTypeParsing() {
33          final String s = "text/plain; Charset=UTF-8";
34          final ParameterParser parser = new ParameterParser();
35          parser.setLowerCaseNames(true);
36          final Map<String, String> params = parser.parse(s, ';');
37          assertEquals("UTF-8", params.get("charset"));
38      }
39  
40      // See: http://issues.apache.org/jira/browse/FILEUPLOAD-139
41      @Test
42      public void testFileUpload139() {
43          final ParameterParser parser = new ParameterParser();
44          String s = "Content-type: multipart/form-data , boundary=AaB03x";
45          Map<String, String> params = parser.parse(s, new char[] { ',', ';' });
46          assertEquals("AaB03x", params.get("boundary"));
47  
48          s = "Content-type: multipart/form-data, boundary=AaB03x";
49          params = parser.parse(s, new char[] { ';', ',' });
50          assertEquals("AaB03x", params.get("boundary"));
51  
52          s = "Content-type: multipart/mixed, boundary=BbC04y";
53          params = parser.parse(s, new char[] { ',', ';' });
54          assertEquals("BbC04y", params.get("boundary"));
55      }
56  
57      /**
58       * Tests <a href="http://issues.apache.org/jira/browse/FILEUPLOAD-199">FILEUPLOAD-199</a>.
59       */
60      @Test
61      public void testFileUpload199() {
62          final ParameterParser parser = new ParameterParser();
63          final String s = "Content-Disposition: form-data; name=\"file\"; filename=\"=?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?= =?ISO-8859-2?B?dSB1bmRlcnN0YW5kIHRoZSBleGFtcGxlLg==?=\"\r\n";
64          final Map<String, String> params = parser.parse(s, new char[] { ',', ';' });
65          assertEquals("If you can read this you understand the example.", params.get("filename"));
66      }
67  
68      /**
69       * Tests <a href="https://issues.apache.org/jira/browse/FILEUPLOAD-274">FILEUPLOAD-274</a>.
70       */
71      @Test
72      public void testFileUpload274() {
73          final ParameterParser parser = new ParameterParser();
74  
75          // Should parse a UTF-8 charset
76          String s = "Content-Disposition: form-data; name=\"file\"; filename*=UTF-8\'\'%E3%81%93%E3%82%93%E3%81%AB%E3%81%A1%E3%81%AF\r\n";
77          Map<String, String> params = parser.parse(s, new char[] { ',', ';' });
78          assertEquals("\u3053\u3093\u306B\u3061\u306F", params.get("filename")); //filename = "こんにちは" in japanese
79  
80          // Should parse ISO-8859-1 charset
81          s = "Content-Disposition: form-data; name=\"file\"; filename*=UTF-8\'\'%70%C3%A2%74%C3%A9\r\n";
82          params = parser.parse(s, new char[] { ',', ';' });
83          assertEquals("\u0070\u00e2\u0074\u00e9", params.get("filename")); //filename = "pâté" in french
84  
85          // Should not decode if '*' is not at the end of param-name
86          s = "Content-Disposition: form-data; name=\"file\"; file*name=UTF-8\'\'%61%62%63\r\n";
87          params = parser.parse(s, new char[] { ',', ';' });
88          assertEquals("UTF-8\'\'%61%62%63", params.get("file*name"));
89  
90          // Should not decode if param-value does not follow <charset>'<lang>'<encoded>
91          s = "Content-Disposition: form-data; name=\"file\"; filename*=a\'bc\r\n";
92          params = parser.parse(s, new char[] { ',', ';' });
93          assertEquals("a\'bc", params.get("filename"));
94  
95          // Should not decode if param-name doesn't have '*' at end
96          s = "Content-Disposition: form-data; name=\"file\"; filename=a\'b\'c\r\n";
97          params = parser.parse(s, new char[] { ',', ';' });
98          assertEquals("a\'b\'c", params.get("filename"));
99      }
100 
101     @Test
102     public void testParsing() {
103         String s =
104             "test; test1 =  stuff   ; test2 =  \"stuff; stuff\"; test3=\"stuff";
105         final ParameterParser parser = new ParameterParser();
106         Map<String, String> params = parser.parse(s, ';');
107         assertEquals(null, params.get("test"));
108         assertEquals("stuff", params.get("test1"));
109         assertEquals("stuff; stuff", params.get("test2"));
110         assertEquals("\"stuff", params.get("test3"));
111 
112         params = parser.parse(s, new char[] { ',', ';' });
113         assertEquals(null, params.get("test"));
114         assertEquals("stuff", params.get("test1"));
115         assertEquals("stuff; stuff", params.get("test2"));
116         assertEquals("\"stuff", params.get("test3"));
117 
118         s = "  test  , test1=stuff   ,  , test2=, test3, ";
119         params = parser.parse(s, ',');
120         assertEquals(null, params.get("test"));
121         assertEquals("stuff", params.get("test1"));
122         assertEquals(null, params.get("test2"));
123         assertEquals(null, params.get("test3"));
124 
125         s = "  test";
126         params = parser.parse(s, ';');
127         assertEquals(null, params.get("test"));
128 
129         s = "  ";
130         params = parser.parse(s, ';');
131         assertEquals(0, params.size());
132 
133         s = " = stuff ";
134         params = parser.parse(s, ';');
135         assertEquals(0, params.size());
136     }
137 
138     @Test
139     public void testParsingEscapedChars() {
140         String s = "param = \"stuff\\\"; more stuff\"";
141         final ParameterParser parser = new ParameterParser();
142         Map<String, String> params = parser.parse(s, ';');
143         assertEquals(1, params.size());
144         assertEquals("stuff\\\"; more stuff", params.get("param"));
145 
146         s = "param = \"stuff\\\\\"; anotherparam";
147         params = parser.parse(s, ';');
148         assertEquals(2, params.size());
149         assertEquals("stuff\\\\", params.get("param"));
150         assertNull(params.get("anotherparam"));
151     }
152 
153 }