63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Spomky-Labs
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*
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* This software may be modified and distributed under the terms
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* of the MIT license. See the LICENSE file for details.
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*/
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namespace CBOR\Tag;
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use CBOR\ByteStringObject;
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use CBOR\ByteStringWithChunkObject;
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use CBOR\CBORObject;
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use CBOR\TagObject as Base;
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use CBOR\TextStringObject;
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use CBOR\TextStringWithChunkObject;
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use InvalidArgumentException;
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final class Base64EncodingTag extends Base
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{
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public static function getTagId(): int
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{
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return 22;
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}
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public static function createFromLoadedData(int $additionalInformation, ?string $data, CBORObject $object): Base
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{
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return new self($additionalInformation, $data, $object);
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}
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public static function create(CBORObject $object): Base
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{
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if (!$object instanceof ByteStringObject && !$object instanceof ByteStringWithChunkObject && !$object instanceof TextStringObject && !$object instanceof TextStringWithChunkObject) {
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throw new InvalidArgumentException('This tag only accepts Byte String, Infinite Byte String, Text String or Infinite Text String objects.');
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}
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return new self(22, null, $object);
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}
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public function getNormalizedData(bool $ignoreTags = false)
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{
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if ($ignoreTags) {
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return $this->object->getNormalizedData($ignoreTags);
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}
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if (!$this->object instanceof ByteStringObject && !$this->object instanceof ByteStringWithChunkObject && !$this->object instanceof TextStringObject && !$this->object instanceof TextStringWithChunkObject) {
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return $this->object->getNormalizedData($ignoreTags);
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}
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$result = \base64_decode($this->object->getNormalizedData($ignoreTags), true);
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if (false === $result) {
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throw new InvalidArgumentException('Unable to decode the data');
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}
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return $result;
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}
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}
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