1 | /**************************************************************** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one * |
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3 | * or more contributor license agreements. See the NOTICE file * |
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4 | * distributed with this work for additional information * |
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5 | * regarding copyright ownership. The ASF licenses this file * |
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6 | * to you under the Apache License, Version 2.0 (the * |
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7 | * "License"); you may not use this file except in compliance * |
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8 | * with the License. You may obtain a copy of the License at * |
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9 | * * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
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11 | * * |
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12 | * Unless required by applicable law or agreed to in writing, * |
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13 | * software distributed under the License is distributed on an * |
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14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
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15 | * KIND, either express or implied. See the License for the * |
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16 | * specific language governing permissions and limitations * |
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17 | * under the License. * |
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18 | ****************************************************************/ |
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19 | |
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20 | package org.apache.james.mime4j.stream; |
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21 | |
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22 | import java.io.ByteArrayInputStream; |
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23 | import java.io.InputStream; |
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24 | |
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25 | import org.apache.commons.io.IOUtils; |
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26 | |
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27 | import junit.framework.TestCase; |
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28 | |
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29 | public class StrictMimeTokenStreamTest extends TestCase { |
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30 | |
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31 | private static final String HEADER_ONLY = "From: foo@abr.com\r\nSubject: A subject\r\n"; |
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32 | private static final String CORRECT_HEADERS = HEADER_ONLY + "\r\n"; |
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33 | |
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34 | MimeTokenStream parser; |
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35 | |
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36 | @Override |
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37 | protected void setUp() throws Exception { |
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38 | super.setUp(); |
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39 | MimeEntityConfig config = new MimeEntityConfig(); |
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40 | config.setStrictParsing(true); |
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41 | parser = new MimeTokenStream(config); |
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42 | } |
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43 | |
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44 | @Override |
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45 | protected void tearDown() throws Exception { |
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46 | super.tearDown(); |
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47 | } |
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48 | |
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49 | public void testUnexpectedEndOfHeaders() throws Exception { |
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50 | parser.parse(new ByteArrayInputStream(HEADER_ONLY.getBytes("US-ASCII"))); |
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51 | |
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52 | checkNextIs(EntityState.T_START_HEADER); |
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53 | checkNextIs(EntityState.T_FIELD); |
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54 | try { |
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55 | parser.next(); |
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56 | fail("Expected exception to be thrown"); |
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57 | } catch (MimeParseEventException e) { |
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58 | assertEquals("Premature end of headers", Event.HEADERS_PREMATURE_END, e.getEvent()); |
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59 | } |
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60 | } |
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61 | |
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62 | public void testCorrectEndOfHeaders() throws Exception { |
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63 | parser.parse(new ByteArrayInputStream(CORRECT_HEADERS.getBytes("US-ASCII"))); |
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64 | |
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65 | checkNextIs(EntityState.T_START_HEADER); |
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66 | checkNextIs(EntityState.T_FIELD); |
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67 | checkNextIs(EntityState.T_FIELD); |
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68 | checkNextIs(EntityState.T_END_HEADER); |
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69 | } |
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70 | |
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71 | public void testMissingBoundary() throws Exception { |
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72 | String message = |
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73 | "Content-Type: multipart/mixed;boundary=aaaa\r\n\r\n" + |
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74 | "--aaaa\r\n" + |
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75 | "Content-Type:text/plain; charset=US-ASCII\r\n\r\n" + |
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76 | "Oh my god! Boundary is missing!\r\n"; |
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77 | parser.parse(new ByteArrayInputStream(message.getBytes("US-ASCII"))); |
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78 | checkNextIs(EntityState.T_START_HEADER); |
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79 | checkNextIs(EntityState.T_FIELD); |
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80 | checkNextIs(EntityState.T_END_HEADER); |
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81 | checkNextIs(EntityState.T_START_MULTIPART); |
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82 | checkNextIs(EntityState.T_START_BODYPART); |
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83 | checkNextIs(EntityState.T_START_HEADER); |
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84 | checkNextIs(EntityState.T_FIELD); |
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85 | checkNextIs(EntityState.T_END_HEADER); |
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86 | checkNextIs(EntityState.T_BODY); |
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87 | InputStream out = parser.getInputStream(); |
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88 | assertEquals("Oh my god! Boundary is missing!\r\n", IOUtils.toString(out, "US-ASCII")); |
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89 | checkNextIs(EntityState.T_END_BODYPART); |
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90 | try { |
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91 | parser.next(); |
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92 | fail("MimeParseEventException should have been thrown"); |
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93 | } catch (MimeParseEventException expected) { |
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94 | } |
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95 | } |
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96 | |
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97 | private void checkNextIs(EntityState expected) throws Exception { |
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98 | assertEquals(MimeTokenStream.stateToString(expected), MimeTokenStream.stateToString(parser.next())); |
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99 | } |
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100 | } |
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