148 lines
4.1 KiB
PHP
148 lines
4.1 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) 2014-2020 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 Jose\Easy;
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use InvalidArgumentException;
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use function is_string;
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use Jose\Component\Core\Algorithm;
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use Jose\Component\Core\AlgorithmManager;
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use Jose\Component\Core\JWK;
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use Jose\Component\Core\Util\JsonConverter;
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use Jose\Component\Encryption\Algorithm\ContentEncryption;
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use Jose\Component\Encryption\Algorithm\KeyEncryption;
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use Jose\Component\Encryption\Compression\CompressionMethod;
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use Jose\Component\Encryption\Compression\CompressionMethodManager;
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use Jose\Component\Encryption\Compression\Deflate;
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use Jose\Component\Encryption\JWEBuilder as JoseBuilder;
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use Jose\Component\Encryption\Serializer\CompactSerializer;
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class JWEBuilder extends AbstractBuilder
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{
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/**
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* @var CompressionMethod[]
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*/
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private $compressionMethods;
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public function __construct()
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{
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parent::__construct();
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$this->compressionMethods = [
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new Deflate(),
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];
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}
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/**
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* @param Algorithm|string $enc
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*
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* @throws InvalidArgumentException if the header parameter "enc" is invalid
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*/
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public function enc($enc): self
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{
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$clone = clone $this;
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switch (true) {
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case $enc instanceof Algorithm:
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$clone->algorithms[] = $enc;
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$clone->jwt->header->set('enc', $enc->name());
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break;
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case is_string($enc):
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$clone->jwt->header->set('enc', $enc);
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break;
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default:
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throw new InvalidArgumentException('Invalid algorithm');
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}
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return $clone;
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}
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/**
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* @param CompressionMethod|string $zip
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*
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* @throws InvalidArgumentException if the header parameter "zip" is invalid
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*/
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public function zip($zip): self
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{
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$clone = clone $this;
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switch (true) {
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case $zip instanceof CompressionMethod:
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$clone->compressionMethods[] = $zip;
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$clone->jwt->header->set('zip', $zip->name());
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break;
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case is_string($zip):
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$clone->jwt->header->set('zip', $zip);
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break;
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default:
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throw new InvalidArgumentException('Invalid compression method');
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}
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return $clone;
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}
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public function encrypt(JWK $jwk): string
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{
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$builder = new JoseBuilder(
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new AlgorithmManager($this->algorithms),
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new AlgorithmManager($this->algorithms),
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new CompressionMethodManager($this->compressionMethods)
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);
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$jwe = $builder
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->create()
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->withPayload(JsonConverter::encode($this->jwt->claims->all()))
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->withSharedProtectedHeader($this->jwt->header->all())
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->addRecipient($jwk)
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->build()
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;
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return (new CompactSerializer())->serialize($jwe);
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}
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protected function getAlgorithmMap(): array
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{
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return [
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KeyEncryption\A128GCMKW::class,
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KeyEncryption\A192GCMKW::class,
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KeyEncryption\A256GCMKW::class,
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KeyEncryption\A128KW::class,
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KeyEncryption\A192KW::class,
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KeyEncryption\A256KW::class,
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KeyEncryption\Dir::class,
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KeyEncryption\ECDHES::class,
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KeyEncryption\ECDHESA128KW::class,
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KeyEncryption\ECDHESA192KW::class,
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KeyEncryption\ECDHESA256KW::class,
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KeyEncryption\PBES2HS256A128KW::class,
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KeyEncryption\PBES2HS384A192KW::class,
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KeyEncryption\PBES2HS512A256KW::class,
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KeyEncryption\RSA15::class,
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KeyEncryption\RSAOAEP::class,
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KeyEncryption\RSAOAEP256::class,
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ContentEncryption\A128GCM::class,
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ContentEncryption\A192GCM::class,
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ContentEncryption\A256GCM::class,
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ContentEncryption\A128CBCHS256::class,
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ContentEncryption\A192CBCHS384::class,
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ContentEncryption\A256CBCHS512::class,
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];
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}
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}
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