452 lines
14 KiB
PHP
452 lines
14 KiB
PHP
<?php
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namespace WapplerSystems\Meilisearch\System\Meilisearch\Service;
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/***************************************************************
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* Copyright notice
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*
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* (c) 2009-2017 Timo Hund <timo.hund@dkd.de>
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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use WapplerSystems\Meilisearch\PingFailedException;
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use WapplerSystems\Meilisearch\System\Configuration\TypoScriptConfiguration;
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use WapplerSystems\Meilisearch\System\Logging\MeilisearchLogManager;
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use WapplerSystems\Meilisearch\System\Meilisearch\ResponseAdapter;
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use WapplerSystems\Meilisearch\Util;
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use Solarium\Client;
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use Solarium\Core\Client\Endpoint;
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use Solarium\Core\Client\Request;
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use Solarium\Core\Query\QueryInterface;
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use Solarium\Exception\HttpException;
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use TYPO3\CMS\Core\Http\Uri;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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abstract class AbstractMeilisearchService
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{
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/**
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* @var array
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*/
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protected static $pingCache = [];
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/**
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* @var TypoScriptConfiguration
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*/
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protected $configuration;
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/**
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* @var \WapplerSystems\Meilisearch\System\Logging\MeilisearchLogManager
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*/
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protected $logger = null;
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/**
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* @var Client
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*/
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protected $client = null;
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/**
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* MeilisearchReadService constructor.
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*/
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public function __construct(Client $client, $typoScriptConfiguration = null, $logManager = null)
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{
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$this->client = $client;
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$this->configuration = $typoScriptConfiguration ?? Util::getMeilisearchConfiguration();
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$this->logger = $logManager ?? GeneralUtility::makeInstance(MeilisearchLogManager::class, /** @scrutinizer ignore-type */ __CLASS__);
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}
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/**
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* Returns the path to the core meilisearch path + core path.
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*
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* @return string
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*/
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public function getCorePath()
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{
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$endpoint = $this->getPrimaryEndpoint();
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return is_null($endpoint) ? '' : $endpoint->getPath() .'/'. $endpoint->getCore();
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}
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/**
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* Returns the Solarium client
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*
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* @return ?Client
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*/
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public function getClient(): ?Client
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{
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return $this->client;
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}
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/**
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* Return a valid http URL given this server's host, port and path and a provided servlet name
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*
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* @param string $servlet
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* @param array $params
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* @return string
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*/
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protected function _constructUrl($servlet, $params = [])
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{
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$queryString = count($params) ? '?' . http_build_query($params, null, '&') : '';
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return $this->__toString() . $servlet . $queryString;
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}
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/**
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* Creates a string representation of the Meilisearch connection. Specifically
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* will return the Meilisearch URL.
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*
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* @return string The Meilisearch URL.
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* @TODO: Add support for API version 2
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*/
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public function __toString()
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{
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$endpoint = $this->getPrimaryEndpoint();
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if (!$endpoint instanceof Endpoint) {
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return '';
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}
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try {
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return $endpoint->getCoreBaseUri();
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} catch (\Exception $exception) {
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}
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return $endpoint->getScheme(). '://' . $endpoint->getHost() . ':' . $endpoint->getPort() . $endpoint->getPath() . '/' . $endpoint->getCore() . '/';
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}
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/**
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* @return Endpoint|null
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*/
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public function getPrimaryEndpoint()
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{
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return is_array($this->client->getEndpoints()) ? reset($this->client->getEndpoints()) : null;
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}
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/**
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* Central method for making a get operation against this Meilisearch Server
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*
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* @param string $url
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* @return ResponseAdapter
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*/
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protected function _sendRawGet($url)
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{
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return $this->_sendRawRequest($url, Request::METHOD_GET);
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}
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/**
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* Central method for making a HTTP DELETE operation against the Meilisearch server
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*
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* @param string $url
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* @return ResponseAdapter
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*/
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protected function _sendRawDelete($url)
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{
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return $this->_sendRawRequest($url, Request::METHOD_DELETE);
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}
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/**
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* Central method for making a post operation against this Meilisearch Server
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*
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* @param string $url
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* @param string $rawPost
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* @param string $contentType
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* @return ResponseAdapter
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*/
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protected function _sendRawPost($url, $rawPost, $contentType = 'text/xml; charset=UTF-8')
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{
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$initializeRequest = function(Request $request) use ($rawPost, $contentType) {
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$request->setRawData($rawPost);
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$request->addHeader('Content-Type: ' . $contentType);
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return $request;
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};
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return $this->_sendRawRequest($url, Request::METHOD_POST, $rawPost, $initializeRequest);
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}
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/**
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* Method that performs an http request with the solarium client.
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*
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* @param string $url
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* @param string $method
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* @param string $body
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* @param ?\Closure $initializeRequest
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* @return ResponseAdapter
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*/
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protected function _sendRawRequest(
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string $url,
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$method = Request::METHOD_GET,
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$body = '',
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\Closure $initializeRequest = null
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) {
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$logSeverity = MeilisearchLogManager::INFO;
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$exception = null;
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$url = $this->reviseUrl($url);
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try {
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$request = $this->buildSolariumRequestFromUrl($url, $method);
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if($initializeRequest !== null) {
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$request = $initializeRequest($request);
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}
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$response = $this->executeRequest($request);
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} catch (HttpException $exception) {
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$logSeverity = MeilisearchLogManager::ERROR;
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$response = new ResponseAdapter($exception->getBody(), $exception->getCode(), $exception->getMessage());
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}
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if ($this->configuration->getLoggingQueryRawPost() || $response->getHttpStatus() != 200) {
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$message = 'Querying Meilisearch using '.$method;
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$this->writeLog($logSeverity, $message, $url, $response, $exception, $body);
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}
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return $response;
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}
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/**
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* Revise url
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* - Resolve relative paths
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*
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* @param string $url
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* @return string
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*/
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protected function reviseUrl(string $url): string
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{
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/* @var Uri $uri */
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$uri = GeneralUtility::makeInstance(Uri::class, $url);
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if ((string)$uri->getPath() === '') {
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return $url;
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}
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$path = trim($uri->getPath(), '/');
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$pathsCurrent = explode('/', $path);
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$pathNew = [];
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foreach ($pathsCurrent as $pathCurrent) {
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if ($pathCurrent === '..') {
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array_pop($pathNew);
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continue;
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}
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if ($pathCurrent === '.') {
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continue;
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}
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$pathNew[] = $pathCurrent;
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}
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$uri = $uri->withPath(implode('/', $pathNew));
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return (string)$uri;
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}
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/**
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* Build the log data and writes the message to the log
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*
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* @param integer $logSeverity
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* @param string $message
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* @param string $url
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* @param ResponseAdapter $meilisearchResponse
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* @param ?\Exception $exception
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* @param string $contentSend
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*/
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protected function writeLog($logSeverity, $message, $url, $meilisearchResponse, $exception = null, $contentSend = '')
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{
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$logData = $this->buildLogDataFromResponse($meilisearchResponse, $exception, $url, $contentSend);
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$this->logger->log($logSeverity, $message, $logData);
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}
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/**
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* Parses the meilisearch information to build data for the logger.
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*
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* @param ResponseAdapter $meilisearchResponse
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* @param ?\Exception $e
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* @param string $url
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* @param string $contentSend
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* @return array
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*/
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protected function buildLogDataFromResponse(ResponseAdapter $meilisearchResponse, \Exception $e = null, $url = '', $contentSend = '')
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{
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$logData = ['query url' => $url, 'response' => (array)$meilisearchResponse];
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if ($contentSend !== '') {
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$logData['content'] = $contentSend;
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}
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if (!empty($e)) {
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$logData['exception'] = $e->__toString();
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return $logData;
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} else {
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// trigger data parsing
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// @extensionScannerIgnoreLine
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$meilisearchResponse->response;
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$logData['response data'] = print_r($meilisearchResponse, true);
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return $logData;
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}
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}
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/**
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* Call the /admin/ping servlet, can be used to quickly tell if a connection to the
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* server is available.
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*
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* Simply overrides the MeilisearchPhpClient implementation, changing ping from a
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* HEAD to a GET request, see http://forge.typo3.org/issues/44167
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*
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* Also does not report the time, see https://forge.typo3.org/issues/64551
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*
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* @param boolean $useCache indicates if the ping result should be cached in the instance or not
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* @return bool TRUE if Meilisearch can be reached, FALSE if not
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*/
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public function ping($useCache = true)
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{
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try {
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$httpResponse = $this->performPingRequest($useCache);
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} catch (HttpException $exception) {
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return false;
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}
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return ($httpResponse->getHttpStatus() === 200);
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}
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/**
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* Call the /admin/ping servlet, can be used to get the runtime of a ping request.
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*
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* @param boolean $useCache indicates if the ping result should be cached in the instance or not
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* @return double runtime in milliseconds
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* @throws \WapplerSystems\Meilisearch\PingFailedException
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*/
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public function getPingRoundTripRuntime($useCache = true)
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{
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try {
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$start = $this->getMilliseconds();
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$httpResponse = $this->performPingRequest($useCache);
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$end = $this->getMilliseconds();
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} catch (HttpException $e) {
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$message = 'Meilisearch ping failed with unexpected response code: ' . $e->getCode();
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/** @var $exception \WapplerSystems\Meilisearch\PingFailedException */
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$exception = GeneralUtility::makeInstance(PingFailedException::class, /** @scrutinizer ignore-type */ $message);
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throw $exception;
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}
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if ($httpResponse->getHttpStatus() !== 200) {
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$message = 'Meilisearch ping failed with unexpected response code: ' . $httpResponse->getHttpStatus();
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/** @var $exception \WapplerSystems\Meilisearch\PingFailedException */
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$exception = GeneralUtility::makeInstance(PingFailedException::class, /** @scrutinizer ignore-type */ $message);
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throw $exception;
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}
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return $end - $start;
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}
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/**
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* Performs a ping request and returns the result.
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*
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* @param boolean $useCache indicates if the ping result should be cached in the instance or not
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* @return ResponseAdapter
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*/
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protected function performPingRequest($useCache = true)
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{
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$cacheKey = (string)($this);
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if ($useCache && isset(static::$pingCache[$cacheKey])) {
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return static::$pingCache[$cacheKey];
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}
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$pingQuery = $this->client->createPing();
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$pingResult = $this->createAndExecuteRequest($pingQuery);
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if ($useCache) {
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static::$pingCache[$cacheKey] = $pingResult;
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}
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return $pingResult;
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}
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/**
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* Returns the current time in milliseconds.
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*
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* @return double
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*/
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protected function getMilliseconds()
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{
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return GeneralUtility::milliseconds();
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}
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/**
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* @param QueryInterface $query
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* @return ResponseAdapter
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*/
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protected function createAndExecuteRequest(QueryInterface $query): ResponseAdapter
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{
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$request = $this->client->createRequest($query);
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return $this->executeRequest($request);
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}
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/**
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* @param $request
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* @return ResponseAdapter
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*/
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protected function executeRequest($request): ResponseAdapter
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{
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$result = $this->client->executeRequest($request);
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return new ResponseAdapter($result->getBody(), $result->getStatusCode(), $result->getStatusMessage());
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}
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/**
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* Build the request for Solarium.
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*
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* Important: The endpoint already contains the API information.
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* The internal Solarium will append the information including the core if set.
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*
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* @param string $url
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* @param string $httpMethod
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* @return Request
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*/
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protected function buildSolariumRequestFromUrl(string $url, $httpMethod = Request::METHOD_GET): Request
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{
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$params = [];
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parse_str(parse_url($url, PHP_URL_QUERY), $params);
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$request = new Request();
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$path = parse_url($url, PHP_URL_PATH);
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$endpoint = $this->getPrimaryEndpoint();
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$api = $request->getApi() === Request::API_V1 ? 'meilisearch' : 'api';
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$coreBasePath = $endpoint->getPath() . '/' . $api . '/' . $endpoint->getCore() . '/';
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$handler = $this->buildRelativePath($coreBasePath, $path);
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$request->setMethod($httpMethod);
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$request->setParams($params);
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$request->setHandler($handler);
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return $request;
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}
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/**
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* Build a relative path from base path to target path.
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* Required since Solarium contains the core information
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*
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* @param string $basePath
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* @param string $targetPath
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* @return string
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*/
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protected function buildRelativePath(string $basePath, string $targetPath): string
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{
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$basePath = trim($basePath, '/');
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$targetPath = trim($targetPath, '/');
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$baseElements = explode('/', $basePath);
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$targetElements = explode('/', $targetPath);
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$targetSegment = array_pop($targetElements);
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foreach ($baseElements as $i => $segment) {
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if (isset($targetElements[$i]) && $segment === $targetElements[$i]) {
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unset($baseElements[$i], $targetElements[$i]);
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} else {
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break;
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}
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}
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$targetElements[] = $targetSegment;
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return str_repeat('../', count($baseElements)) . implode('/', $targetElements);
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}
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}
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