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by Konrad
02:41
created

RawDataParserHelper::exposeGetRawObject()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
c 1
b 0
f 0
nc 1
nop 2
dl 0
loc 3
rs 10
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<?php
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/**
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 * @file This file is part of the PdfParser library.
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 *
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 * @author  Konrad Abicht <[email protected]>
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 * @date    2020-06-01
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 *
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 * @author  Sébastien MALOT <[email protected]>
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 * @date    2017-01-03
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 *
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 * @license LGPLv3
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 * @url     <https://github.com/smalot/pdfparser>
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 *
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 *  PdfParser is a pdf library written in PHP, extraction oriented.
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 *  Copyright (C) 2017 - Sébastien MALOT <[email protected]>
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU Lesser General Public License as published by
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 *  the Free Software Foundation, either version 3 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU Lesser General Public License for more details.
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 *
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 *  You should have received a copy of the GNU Lesser General Public License
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 *  along with this program.
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 *  If not, see <http://www.pdfparser.org/sites/default/LICENSE.txt>.
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 */
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namespace Tests\Smalot\PdfParser\Integration\RawData;
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use Smalot\PdfParser\RawData\RawDataParser;
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use Tests\Smalot\PdfParser\TestCase;
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class RawDataParserHelper extends RawDataParser
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{
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    /**
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     * Expose protected function "getRawObject".
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     */
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    public function exposeGetRawObject($pdfData, $offset = 0)
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    {
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        return $this->getRawObject($pdfData, $offset);
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    }
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}
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class RawDataParserTest extends TestCase
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{
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    protected function setUp()
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    {
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        parent::setUp();
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        $this->fixture = new RawDataParserHelper();
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    }
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    /**
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     * Tests buggy behavior of getRawObject.
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     *
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     * When PDF has corrupted xref table getRawObject may run into an infinite loop.
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     *
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     * @see https://github.com/smalot/pdfparser/issues/372
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     * @see https://github.com/smalot/pdfparser/pull/377
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     */
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    public function testGetRawObjectIssue372()
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    {
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        // The following $data content is a minimal example to trigger the infinite loop
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        $data = '<</Producer (eDkºãa˜þõ‚LÅòÕ�PïÙ��)©)>>';
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        // calling "getRawObject" via "exposeGetRawObject" would result in an infinite loop
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        // if the fix is not there.
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        $result = $this->fixture->exposeGetRawObject($data);
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        $this->assertEquals(
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            [
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                '<<',
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                [
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                    ['/', 'Producer', 11],
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                    ['(', 'eDkºãa˜þõ‚LÅòÕ�PïÙ��', 52],
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                ],
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                52,
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            ],
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            $result
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        );
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    }
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}
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