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44 lines
1012 B
PHP
44 lines
1012 B
PHP
<?php declare(strict_types=1);
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\SelfUpdate;
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use Composer\Pcre\Preg;
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/**
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class Keys
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{
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/**
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* @param string $path
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*
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* @return string
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*/
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public static function fingerprint(string $path): string
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{
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$hash = strtoupper(hash('sha256', Preg::replace('{\s}', '', file_get_contents($path))));
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return implode(' ', array(
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substr($hash, 0, 8),
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substr($hash, 8, 8),
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substr($hash, 16, 8),
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substr($hash, 24, 8),
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'', // Extra space
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substr($hash, 32, 8),
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substr($hash, 40, 8),
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substr($hash, 48, 8),
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substr($hash, 56, 8),
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));
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}
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}
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