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 Smalot\PdfParser\RawData\RawDataParser; |
36
|
|
|
use Tests\Smalot\PdfParser\TestCase; |
37
|
|
|
|
38
|
|
|
class RawDataParserHelper extends RawDataParser |
39
|
|
|
{ |
40
|
|
|
/** |
41
|
|
|
* Expose protected function "getRawObject". |
42
|
|
|
*/ |
43
|
|
|
public function exposeGetRawObject($pdfData, $offset = 0) |
44
|
|
|
{ |
45
|
|
|
return $this->getRawObject($pdfData, $offset); |
46
|
|
|
} |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
class RawDataParserTest extends TestCase |
50
|
|
|
{ |
51
|
|
|
protected function setUp() |
52
|
|
|
{ |
53
|
|
|
parent::setUp(); |
54
|
|
|
|
55
|
|
|
$this->fixture = new RawDataParserHelper(); |
56
|
|
|
} |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* Tests buggy behavior of getRawObject. |
60
|
|
|
* |
61
|
|
|
* When PDF has corrupted xref table getRawObject may run into an infinite loop. |
62
|
|
|
* |
63
|
|
|
* @see https://github.com/smalot/pdfparser/issues/372 |
64
|
|
|
* @see https://github.com/smalot/pdfparser/pull/377 |
65
|
|
|
*/ |
66
|
|
|
public function testGetRawObjectIssue372() |
67
|
|
|
{ |
68
|
|
|
// The following $data content is a minimal example to trigger the infinite loop |
69
|
|
|
$data = '<</Producer (eDkºãa˜þõ‚LÅòÕ�PïÙ��)©)>>'; |
70
|
|
|
|
71
|
|
|
// calling "getRawObject" via "exposeGetRawObject" would result in an infinite loop |
72
|
|
|
// if the fix is not there. |
73
|
|
|
$result = $this->fixture->exposeGetRawObject($data); |
74
|
|
|
|
75
|
|
|
$this->assertEquals( |
76
|
|
|
[ |
77
|
|
|
'<<', |
78
|
|
|
[ |
79
|
|
|
['/', 'Producer', 11], |
80
|
|
|
['(', 'eDkºãa˜þõ‚LÅòÕ�PïÙ��', 52], |
81
|
|
|
], |
82
|
|
|
52, |
83
|
|
|
], |
84
|
|
|
$result |
85
|
|
|
); |
86
|
|
|
} |
87
|
|
|
} |
88
|
|
|
|