49 lines
1.4 KiB
PHP
49 lines
1.4 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2020 (original work) Open Assessment Technologies SA
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*/
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declare(strict_types=1);
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namespace oat\tao\model\http;
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use oat\oatbox\service\ConfigurableService;
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use Psr\Http\Message\StreamInterface;
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use tao_helpers_File;
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class ContentDetector extends ConfigurableService
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{
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private const MIMETYPES = [
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tao_helpers_File::MIME_SVG,
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];
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public function isGzip(StreamInterface $stream): bool
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{
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$string = $stream->read(3);
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$stream->rewind();
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return (0 === mb_strpos($string, "\x1f\x8b\x08"));
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}
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public function isGzipableMime(?string $mimetype): bool
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{
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return in_array($mimetype, self::MIMETYPES);
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}
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}
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