/** * Handles all hooks. * * @param Request $request HTTP request * @param Response $response HTTP response * @param array $args URL args */ public function handle(Request $request, Response $response, array $args) { $response->setHeader("content-type", "text/plain"); $token = $request->getQueryVars()["token"] ?? ""; if (!$token || !is_string($token)) { $response->setStatus(401); $response->send("Failure: No token was provided."); return; } // use @ so we don't have to check for invalid strings manually $token = (string) @hex2bin($token); $hook = (yield $this->hookRepository->get($args["id"])); if (!$hook) { $response->setStatus(404); $response->send("Failure: Hook does not exist."); return; } if (!hash_equals($hook->token, $token)) { $response->setStatus(403); $response->send("Failure: Provided token doesn't match."); return; } $name = $args["service"]; if (!isset($this->services[$name])) { $response->setStatus(404); $response->send("Failure: Unknown service."); return; } $contentType = strtok($request->getHeader("content-type"), ";"); $body = (yield $request->getBody()); switch ($contentType) { case "application/json": $payload = json_decode($body); break; case "application/x-www-form-urlencoded": parse_str($body, $payload); $payload = json_decode(json_encode($payload)); break; default: $response->setStatus(415); $response->send("Failure: Content-type not supported."); return; } $service = $this->services[$name]; $headers = $request->getAllHeaders(); $event = $service->getEventName($headers, $payload); if (!isset($this->schemas[$name][$event])) { $response->setStatus(400); $response->send("Failure: Event not supported."); return; } $schema = $this->schemas[$name][$event]; $this->validator->reset(); $this->validator->check($payload, $schema); if (!$this->validator->isValid()) { $errors = $this->validator->getErrors(); $errors = array_reduce($errors, function (string $carry, array $item) : string { if ($item["property"]) { return $carry . sprintf("\n%s: %s", $item["property"], $item["message"]); } else { return $carry . "\n" . $item["message"]; } }, ""); $response->setStatus(400); $response->send("Failure: Payload validation failed." . $errors); return; } $message = $service->handle($headers, $payload); try { if ($message) { $req = (new HttpRequest())->setMethod("PUT")->setUri($this->config["api"] . "/messages")->setHeader("authorization", "Basic " . base64_encode("{$this->config['user_id']}:{$this->config['token']}"))->setBody(json_encode(["room_id" => $hook->room_id, "text" => $message->getText(), "data" => $message->getData()])); $resp = (yield $this->http->request($req)); if (intval($resp->getStatus() / 100) !== 2) { $message = "API request failed: " . $resp->getStatus(); if ($resp->getBody()) { $message .= "\n" . $resp->getBody(); } throw new Exception($message); } } $response->send("Success: " . ($message ? "Message sent." : "Message skipped.")); } catch (Exception $e) { $response->setStatus(500); $response->send("Failure: Couldn't persist message."); } }
public function __invoke(Request $req, Response $res) { $headers = $req->getAllHeaders(); unset($headers["accept-encoding"]); $connection = $headers["connection"]; unset($headers["connection"]); foreach ($connection as $value) { foreach (explode(",", strtolower($value)) as $type) { $type = trim($type); if ($type == "upgrade") { $headers["connection"][0] = "upgrade"; } else { unset($headers[$type]); } } } if ($this->headers) { if (is_callable($this->headers)) { $headers = ($this->headers)($headers); } else { $headers = $this->headers + $headers; } } $promise = $this->client->request((new \Amp\Artax\Request())->setMethod($req->getMethod())->setUri($this->target . $req->getUri())->setAllHeaders($headers)->setBody((yield $req->getBody()))); // no async sending possible :-( [because of redirects] $promise->watch(function ($update) use($req, $res, &$hasBody, &$status, &$zlib) { list($type, $data) = $update; if ($type == Notify::RESPONSE_HEADERS) { $headers = array_change_key_case($data["headers"], CASE_LOWER); foreach ($data["headers"] as $header => $values) { foreach ($values as $value) { $res->addHeader($header, $value); } } $res->setStatus($status = $data["status"]); $res->setReason($data["reason"]); if (isset($headers["content-encoding"]) && strcasecmp(trim(current($headers["content-encoding"])), 'gzip') === 0) { $zlib = inflate_init(ZLIB_ENCODING_GZIP); } $hasBody = true; } if ($type == Notify::RESPONSE_BODY_DATA) { if ($zlib) { $data = inflate_add($zlib, $data); } $res->stream($data); } if ($type == Notify::RESPONSE) { if (!$hasBody) { foreach ($data->getAllHeaders() as $header => $values) { foreach ($values as $value) { $res->addHeader($header, $value); } } $res->setStatus($status = $data->getStatus()); $res->setReason($data->getReason()); } if ($status == 101) { $req->setLocalVar("aerys.reverse.socket", $update["export_socket"]()); } $res->end($zlib ? inflate_add("", ZLIB_FINISH) : null); } }); (yield $promise); }