| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @file This file is part of the PdfParser library. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * @author  Konrad Abicht <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @date    2020-06-01 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * @author  Sébastien MALOT <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @date    2017-01-03 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @license LGPLv3 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @url     <https://github.com/smalot/pdfparser> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  *  PdfParser is a pdf library written in PHP, extraction oriented. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  *  Copyright (C) 2017 - Sébastien MALOT <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  *  This program is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  *  it under the terms of the GNU Lesser General Public License as published by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  *  the Free Software Foundation, either version 3 of the License, or | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  *  (at your option) any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  *  This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  *  GNU Lesser General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  *  You should have received a copy of the GNU Lesser General Public License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  *  along with this program. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |  *  If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | namespace Tests\Smalot\PdfParser\Integration\RawData; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | use Exception; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | use Smalot\PdfParser\RawData\FilterHelper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | use Tests\Smalot\PdfParser\TestCase; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | class FilterHelperTest extends TestCase | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     public function setUp() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         parent::setUp(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         $this->fixture = new FilterHelper(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * Tests for filter ASCII85Decode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     public function testDecodeFilterASCII85Decode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $compressed = '6Z6g\Eb0<5ARlp)FE2)5B)'; // = Compressed string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $result = $this->fixture->decodeFilter('ASCII85Decode', $compressed); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $this->assertEquals('Compressed string', $result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * Tests for filter ASCIIHexDecode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     public function testDecodeFilterASCIIHexDecode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         $compressed = '43 6f 6d 70 72 65 73 73 65 64 20 73 74 72 69 6e 67'; // = Compressed string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         $result = $this->fixture->decodeFilter('ASCIIHexDecode', $compressed); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         $this->assertEquals('Compressed string', $result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      * Tests for filter FlateDecode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      */ | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |     public function testDecodeFilterFlateDecode() | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |         $compressed = gzcompress('Compress me', 9); | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |         $result = $this->fixture->decodeFilter('FlateDecode', $compressed); | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |         $this->assertEquals('Compress me', $result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * How does function behave if an empty string was given. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     public function testDecodeFilterFlateDecodeEmptyString() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $this->expectExceptionMessage('gzuncompress(): data error'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |         $this->fixture->decodeFilter('FlateDecode', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * How does function behave if an uncompressed string was given. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     public function testDecodeFilterFlateDecodeUncompressedString() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         $this->expectExceptionMessage('gzuncompress(): data error'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         $this->fixture->decodeFilter('FlateDecode', 'something'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      * How does function behave if an uncompressed string was given. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     public function testDecodeFilterUnknownFilter() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         $result = $this->fixture->decodeFilter('a string '.rand(), 'something'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |         $this->assertEquals('something', $result); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * Test for filters not being implemented yet. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |      * CCITTFaxDecode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     public function testDecodeFilterCCITTFaxDecode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         $this->expectExceptionMessage('Decode CCITTFaxDecode not implemented yet.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |         $this->fixture->decodeFilter('CCITTFaxDecode', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |      * Crypt | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     public function testDecodeFilterCrypt() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |         $this->expectExceptionMessage('Decode Crypt not implemented yet.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |         $this->fixture->decodeFilter('Crypt', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * DCTDecode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |     public function testDecodeFilterDCTDecode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         $this->expectExceptionMessage('Decode DCTDecode not implemented yet.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         $this->fixture->decodeFilter('DCTDecode', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |      * JBIG2Decode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |     public function testDecodeFilterJBIG2Decode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |         $this->expectExceptionMessage('Decode JBIG2Decode not implemented yet.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         $this->fixture->decodeFilter('JBIG2Decode', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |      * JPXDecode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |     public function testDecodeFilterJPXDecode() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         $this->expectException(Exception::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |         $this->expectExceptionMessage('Decode JPXDecode not implemented yet.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |         $this->fixture->decodeFilter('JPXDecode', ''); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 173 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 174 |  |  |  |