139 lines
2.9 KiB
PHP
139 lines
2.9 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) 2014-2019 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 Webauthn;
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use Assert\Assertion;
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use Base64Url\Base64Url;
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use InvalidArgumentException;
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use Webauthn\TokenBinding\TokenBinding;
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class CollectedClientData
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{
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/**
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* @var string
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*/
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private $rawData;
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/**
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* @var array
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*/
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private $data;
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/**
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* @var string
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*/
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private $type;
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/**
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* @var string
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*/
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private $challenge;
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/**
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* @var string
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*/
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private $origin;
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/**
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* @var array|null
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*/
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private $tokenBinding;
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public function __construct(string $rawData, array $data)
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{
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$this->type = $this->findData($data, 'type');
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$this->challenge = $this->findData($data, 'challenge', true, true);
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$this->origin = $this->findData($data, 'origin');
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$this->tokenBinding = $this->findData($data, 'tokenBinding', false);
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$this->rawData = $rawData;
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$this->data = $data;
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}
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public static function createFormJson(string $data): self
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{
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$rawData = Base64Url::decode($data);
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$json = json_decode($rawData, true);
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Assertion::eq(JSON_ERROR_NONE, json_last_error(), 'Invalid collected client data');
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Assertion::isArray($json, 'Invalid collected client data');
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return new self($rawData, $json);
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}
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public function getType(): string
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{
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return $this->type;
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}
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public function getChallenge(): string
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{
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return $this->challenge;
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}
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public function getOrigin(): string
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{
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return $this->origin;
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}
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public function getTokenBinding(): ?TokenBinding
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{
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return null === $this->tokenBinding ? null : TokenBinding::createFormArray($this->tokenBinding);
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}
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public function getRawData(): string
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{
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return $this->rawData;
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}
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/**
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* @return string[]
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*/
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public function all(): array
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{
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return array_keys($this->data);
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}
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public function has(string $key): bool
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{
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return \array_key_exists($key, $this->data);
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}
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/**
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* @return mixed
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*/
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public function get(string $key)
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{
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if (!$this->has($key)) {
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throw new InvalidArgumentException(sprintf('The key "%s" is missing', $key));
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}
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return $this->data[$key];
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}
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/**
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* @return mixed|null
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*/
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private function findData(array $json, string $key, bool $isRequired = true, bool $isB64 = false)
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{
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if (!\array_key_exists($key, $json)) {
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if ($isRequired) {
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throw new InvalidArgumentException(sprintf('The key "%s" is missing', $key));
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}
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return;
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}
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return $isB64 ? Base64Url::decode($json[$key]) : $json[$key];
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}
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}
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