123 lines
3.2 KiB
PHP
123 lines
3.2 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the WebPush library.
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*
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* (c) Louis Lagrange <lagrange.louis@gmail.com>
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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 Minishlink\WebPush;
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class Subscription implements SubscriptionInterface
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{
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/** @var string */
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private $endpoint;
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/** @var null|string */
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private $publicKey;
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/** @var null|string */
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private $authToken;
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/** @var null|string */
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private $contentEncoding;
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/**
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* Subscription constructor.
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*
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* @param string $endpoint
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* @param null|string $publicKey
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* @param null|string $authToken
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* @param string $contentEncoding (Optional) Must be "aesgcm"
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* @throws \ErrorException
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*/
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public function __construct(
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string $endpoint,
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?string $publicKey = null,
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?string $authToken = null,
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?string $contentEncoding = null
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) {
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$this->endpoint = $endpoint;
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if ($publicKey || $authToken || $contentEncoding) {
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$supportedContentEncodings = ['aesgcm', 'aes128gcm'];
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if ($contentEncoding && !in_array($contentEncoding, $supportedContentEncodings)) {
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throw new \ErrorException('This content encoding ('.$contentEncoding.') is not supported.');
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}
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$this->publicKey = $publicKey;
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$this->authToken = $authToken;
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$this->contentEncoding = $contentEncoding ?: "aesgcm";
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}
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}
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/**
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* Subscription factory.
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*
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* @param array $associativeArray (with keys endpoint, publicKey, authToken, contentEncoding)
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* @return self
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* @throws \ErrorException
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*/
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public static function create(array $associativeArray): self
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{
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if (array_key_exists('keys', $associativeArray) && is_array($associativeArray['keys'])) {
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return new self(
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$associativeArray['endpoint'],
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$associativeArray['keys']['p256dh'] ?? null,
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$associativeArray['keys']['auth'] ?? null,
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$associativeArray['contentEncoding'] ?? "aesgcm"
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);
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}
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if (array_key_exists('publicKey', $associativeArray) || array_key_exists('authToken', $associativeArray) || array_key_exists('contentEncoding', $associativeArray)) {
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return new self(
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$associativeArray['endpoint'],
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$associativeArray['publicKey'] ?? null,
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$associativeArray['authToken'] ?? null,
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$associativeArray['contentEncoding'] ?? "aesgcm"
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);
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}
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return new self(
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$associativeArray['endpoint']
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);
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}
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/**
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* {@inheritDoc}
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*/
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public function getEndpoint(): string
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{
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return $this->endpoint;
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}
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/**
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* {@inheritDoc}
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*/
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public function getPublicKey(): ?string
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{
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return $this->publicKey;
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}
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/**
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* {@inheritDoc}
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*/
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public function getAuthToken(): ?string
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{
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return $this->authToken;
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}
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/**
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* {@inheritDoc}
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*/
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public function getContentEncoding(): ?string
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{
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return $this->contentEncoding;
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}
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}
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