Subscription enumeration, tweaks
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@ -53,3 +53,5 @@ $ ./mercureact.phar -c mercureact.conf
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* [x] Break out HTTP middleware into classes
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* [ ] HTTP middleware unittests
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* [ ] Replay missed events based on event id
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* [ ] Figure out how to determine last event IDs
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* [ ] Metrics endpoint
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@ -5,14 +5,18 @@ namespace NoccyLabs\Mercureact\Broker;
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use NoccyLabs\SimpleJWT\JWTToken;
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use Psr\Http\Message\ServerRequestInterface;
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use React\Stream\WritableStreamInterface;
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use Symfony\Component\Uid\Uuid;
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class SseSubscriber implements SubscriberInterface
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{
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private string $id;
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public function __construct(
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private WritableStreamInterface $stream,
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private ServerRequestInterface $request,
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)
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{
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$this->id = (string)Uuid::v7();
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}
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public function deliver(Message $message): void
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@ -24,4 +28,9 @@ class SseSubscriber implements SubscriberInterface
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{
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return $this->request->getAttribute('authorization') instanceof JWTToken;
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}
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public function getId(): string
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{
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return "urn:uuid:".$this->id;
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}
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}
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@ -14,6 +14,8 @@ class Topic
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/** @var array<string,Message> */
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private array $messages = [];
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private ?string $lastEventId = null;
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/** @var int Creation unixtime */
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private int $created;
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@ -69,6 +71,21 @@ class Topic
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$this->subscribers->detach($subscriber);
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}
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public function getSubscribers(): array
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{
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return iterator_to_array($this->subscribers);
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}
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public function getTopic(): string
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{
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return $this->topic;
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}
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public function getLastEventId(): ?string
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{
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return $this->lastEventId;
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}
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/**
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* Garbage collect histry
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*
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@ -53,6 +53,27 @@ class TopicManager
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}
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}
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public function getSubscriptions(): array
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{
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$all = [];
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foreach ($this->topics as $topic) {
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$subs = $topic->getSubscribers();
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foreach ($subs as $sub) {
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$all[] = [
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'id' => './well-known/mercure/subsciptions/'.urlencode($topic->getTopic())."/".urlencode($sub->getId()),
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'type' => "Subscription",
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'topic' => $topic->getTopic(),
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'subscriber' => $sub->getId(),
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'active' => true,
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'payload' => null,
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];
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}
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}
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return $all;
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}
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public function getTopicCount(): int
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{
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return count($this->topics);
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@ -13,8 +13,6 @@ use React\Promise\PromiseInterface;
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class ApiHandler
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{
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public static string $indexPage;
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public function __construct(
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private Configuration $config,
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private TopicManager $topicManager
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@ -36,12 +34,32 @@ class ApiHandler
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$path = $request->getUri()->getPath();
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// FIXME remove this when done debugging
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if ($path === "/index.html") {
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$resolve(Response::html(self::$indexPage));
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$resolve(Response::html(
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<<<ENDHTML
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<html>
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<head>
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</head>
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<body>
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<script type="text/javascript">
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const events = new EventSource("http://127.0.0.1:9000/.well-known/mercure?topic=https://example.com/books/1");
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events.onmessage = function (msg) {
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console.log(msg);
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const message = document.createElement('div');
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message.innerText = msg.data;
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document.getElementById('messages').appendChild(message);
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};
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</script>
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<div id="messages">
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</body>
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</html>
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ENDHTML
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));
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}
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switch (true) {
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case preg_match('<^/.well-known/mercure/subscriptions(/.+?)$>', $path, $m):
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case preg_match('<^/.well-known/mercure/subscriptions(/.+?){0,1}$>', $path, $m):
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$query = explode("/", trim($m[1]??null, "/"));
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$topic = array_shift($query);
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$subscription = array_shift($query);
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@ -77,14 +95,14 @@ class ApiHandler
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{
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// TODO implement once we can enumerate topics and subscriptions
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// mock data
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$subscriptions = $this->topicManager->getSubscriptions();
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$lastEventId = "urn:uuid:5e94c686-2c0b-4f9b-958c-92ccc3bbb4eb";
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$data = [
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"@context" => "https://mercure.rocks/",
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"id" => "/.well-known/mercure/subscriptions",
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"type" => "Subscriptions",
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"lastEventID" => $lastEventId,
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"subscriptions" => []
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"subscriptions" => $subscriptions
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];
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return Response::json($data)
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@ -94,17 +112,3 @@ class ApiHandler
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}
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ApiHandler::$indexPage = <<<ENDHTML
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<html>
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<head>
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<meta http-equiv="Content-Security-Policy" content="default-src 'self' http: 'unsafe-eval' 'unsafe-inline'; style-src 'self';">
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</head>
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<body>
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<script type="text/javascript">
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const events = new EventSource("http://127.0.0.1:9000/.well-known/mercure?topic=https://example.com/books/1");
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events.onmessage = msg => console.log(msg);
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</script>
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</body>
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</html>
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ENDHTML;
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@ -31,7 +31,7 @@ class Server
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private TopicManager $topicManager;
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private Logger|LoggerInterface $logger;
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private Logger $logger;
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private ResponseMiddleware $responseMiddleware;
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private SecurityMiddleware $securityMiddleware;
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@ -73,7 +73,7 @@ class Server
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$this->server->listen($socket);
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}
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private function createLogger(): LoggerInterface
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private function createLogger(): Logger
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{
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$handlers = [
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new StreamHandler(STDOUT)
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