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by Timo
01:02
created

PageIndexerRequest::setParameter()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3

Importance

Changes 0
Metric Value
dl 0
loc 8
ccs 5
cts 5
cp 1
rs 9.4285
c 0
b 0
f 0
cc 3
eloc 4
nc 3
nop 2
crap 3
1
<?php
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namespace ApacheSolrForTypo3\Solr\IndexQueue;
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/***************************************************************
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 *  Copyright notice
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 *
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 *  (c) 2010-2015 Ingo Renner <[email protected]>
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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 2 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 ApacheSolrForTypo3\Solr\System\Logging\SolrLogManager;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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 * Index Queue Page Indexer request with details about which actions to perform.
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 *
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 * @author Ingo Renner <[email protected]>
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 */
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class PageIndexerRequest
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{
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    /**
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     * List of actions to perform during page rendering.
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     *
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     * @var array
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     */
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    protected $actions = [];
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    /**
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     * Parameters as sent from the Index Queue page indexer.
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     *
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     * @var array
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     */
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    protected $parameters = [];
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    /**
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     * Headers as sent from the Index Queue page indexer.
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     *
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     * @var array
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     */
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    protected $header = [];
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    /**
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     * Unique request ID.
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     *
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     * @var string
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     */
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    protected $requestId;
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    /**
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     * Username to use for basic auth protected URLs.
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     *
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     * @var string
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     */
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    protected $username = '';
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    /**
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     * Password to use for basic auth protected URLs.
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     *
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     * @var string
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     */
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    protected $password = '';
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    /**
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     * An Index Queue item related to this request.
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     *
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     * @var Item
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     */
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    protected $indexQueueItem = null;
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    /**
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     * Request timeout in seconds
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     *
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     * @var float
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     */
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    protected $timeout;
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    /**
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     * @var \ApacheSolrForTypo3\Solr\System\Logging\SolrLogManager
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     */
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    protected $logger = null;
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    /**
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     * PageIndexerRequest constructor.
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     *
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     * @param string $jsonEncodedParameters json encoded header
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     */
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    public function __construct($jsonEncodedParameters = null)
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    {
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        $this->logger = GeneralUtility::makeInstance(SolrLogManager::class, __CLASS__);
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        $this->requestId = uniqid();
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        $this->timeout = (float)ini_get('default_socket_timeout');
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110 17
        if (is_null($jsonEncodedParameters)) {
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            return;
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        }
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        $this->parameters = (array)json_decode($jsonEncodedParameters, true);
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        $this->requestId = $this->parameters['requestId'];
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        unset($this->parameters['requestId']);
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        $actions = explode(',', $this->parameters['actions']);
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        foreach ($actions as $action) {
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            $this->addAction($action);
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        }
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        unset($this->parameters['actions']);
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    }
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    /**
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     * Adds an action to perform during page rendering.
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     *
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     * @param string $action Action name.
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     */
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    public function addAction($action)
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    {
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        $this->actions[] = $action;
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    }
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    /**
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     * Executes the request.
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     *
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     * Uses headers to submit additional data and avoiding to have these
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     * arguments integrated into the URL when created by RealURL.
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     *
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     * @param string $url The URL to request.
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     * @return PageIndexerResponse Response
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     */
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    public function send($url)
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    {
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        /** @var $response PageIndexerResponse */
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        $response = GeneralUtility::makeInstance(PageIndexerResponse::class);
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        $decodedResponse = $this->getUrlAndDecodeResponse($url, $response);
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        if ($decodedResponse['requestId'] != $this->requestId) {
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            throw new \RuntimeException(
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                'Request ID mismatch. Request ID was ' . $this->requestId . ', received ' . $decodedResponse['requestId'] . '. Are requests cached?',
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                1351260655
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            );
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        }
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        $response->setRequestId($decodedResponse['requestId']);
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        if (!is_array($decodedResponse['actionResults'])) {
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            // nothing to parse
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            return $response;
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        }
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        foreach ($decodedResponse['actionResults'] as $action => $actionResult) {
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            $response->addActionResult($action, $actionResult);
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        }
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        return $response;
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    }
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    /**
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     * This method is used to retrieve an url from the frontend and decode the response.
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     *
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     * @param string $url
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     * @param PageIndexerResponse $response
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     * @return mixed
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     */
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    protected function getUrlAndDecodeResponse($url, PageIndexerResponse $response)
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    {
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        $headers = $this->getHeaders();
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        $rawResponse = $this->getUrl($url, $headers, $this->timeout);
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        // convert JSON response to response object properties
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        $decodedResponse = $response->getResultsFromJson($rawResponse);
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        if ($rawResponse === false || $decodedResponse === false) {
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            $this->logger->log(
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                SolrLogManager::ERROR,
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                'Failed to execute Page Indexer Request. Request ID: ' . $this->requestId,
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                [
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                    'request ID' => $this->requestId,
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                    'request url' => $url,
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                    'request headers' => $headers,
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                    'response headers' => $http_response_header, // automatically defined by file_get_contents()
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                    'raw response body' => $rawResponse
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                ]
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            );
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            throw new \RuntimeException('Failed to execute Page Indexer Request. See log for details. Request ID: ' . $this->requestId, 1319116885);
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        }
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        return $decodedResponse;
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    }
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    /**
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     * Generates the headers to be send with the request.
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     *
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     * @return string[] Array of HTTP headers.
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     */
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    public function getHeaders()
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    {
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        $headers = $this->header;
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        $headers[] = TYPO3_user_agent;
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        $itemId = $this->indexQueueItem->getIndexQueueUid();
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        $pageId = $this->indexQueueItem->getRecordPageId();
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        $indexerRequestData = [
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            'requestId' => $this->requestId,
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            'item' => $itemId,
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            'page' => $pageId,
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            'actions' => implode(',', $this->actions),
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            'hash' => md5(
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                $itemId . '|' .
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                $pageId . '|' .
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                $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey']
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            )
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        ];
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        $indexerRequestData = array_merge($indexerRequestData, $this->parameters);
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        $headers[] = 'X-Tx-Solr-Iq: ' . json_encode($indexerRequestData);
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        if (!empty($this->username) && !empty($this->password)) {
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            $headers[] = 'Authorization: Basic ' . base64_encode($this->username . ':' . $this->password);
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        }
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        return $headers;
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    }
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    /**
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     * Adds an HTTP header to be send with the request.
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     *
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     * @param string $header HTTP header
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     */
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    public function addHeader($header)
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    {
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        $this->header[] = $header;
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    }
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    /**
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     * Checks whether this is a legitimate request coming from the Index Queue
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     * page indexer worker task.
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     *
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     * @return bool TRUE if it's a legitimate request, FALSE otherwise.
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     */
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    public function isAuthenticated()
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    {
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        $authenticated = false;
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        if (is_null($this->parameters)) {
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            return $authenticated;
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        }
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        $calculatedHash = md5(
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            $this->parameters['item'] . '|' .
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            $this->parameters['page'] . '|' .
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            $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey']
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        );
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        if ($this->parameters['hash'] === $calculatedHash) {
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            $authenticated = true;
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        }
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        return $authenticated;
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    }
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    /**
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     * Gets the list of actions to perform during page rendering.
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     *
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     * @return array List of actions
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     */
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    public function getActions()
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    {
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        return $this->actions;
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    }
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    /**
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     * Gets the request's parameters.
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     *
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     * @return array Request parameters.
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     */
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    public function getParameters()
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    {
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        return $this->parameters;
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    }
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    /**
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     * Gets the request's unique ID.
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     *
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     * @return string Unique request ID.
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     */
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    public function getRequestId()
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    {
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        return $this->requestId;
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    }
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    /**
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     * Gets a specific parameter's value.
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     *
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     * @param string $parameterName The parameter to retrieve.
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     * @return mixed NULL if a parameter was not set or it's value otherwise.
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     */
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    public function getParameter($parameterName)
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    {
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        return isset($this->parameters[$parameterName]) ? $this->parameters[$parameterName] : null;
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    }
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    /**
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     * Sets a request's parameter and its value.
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     *
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     * @param string $parameter Parameter name
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     * @param mixed $value Parameter value.
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     */
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    public function setParameter($parameter, $value)
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    {
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        if (is_bool($value)) {
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            $value = $value ? '1' : '0';
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        }
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        $this->parameters[$parameter] = $value;
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    }
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    /**
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     * Sets username and password to be used for a basic auth request header.
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     *
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     * @param string $username username.
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     * @param string $password password.
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     */
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    public function setAuthorizationCredentials($username, $password)
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    {
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        $this->username = $username;
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        $this->password = $password;
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    }
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    /**
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     * Sets the Index Queue item this request is related to.
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     *
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     * @param Item $item Related Index Queue item.
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     */
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    public function setIndexQueueItem(Item $item)
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    {
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        $this->indexQueueItem = $item;
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    }
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    /**
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     * Returns the request timeout in seconds
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     *
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     * @return float
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     */
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    public function getTimeout()
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    {
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        return $this->timeout;
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    }
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    /**
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     * Sets the request timeout in seconds
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     *
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     * @param float $timeout Timeout seconds
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     */
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    public function setTimeout($timeout)
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    {
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        $this->timeout = (float)$timeout;
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    }
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    /**
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     * Fetches a page by sending the configured headers.
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     *
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     * @param string $url
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     * @param string[] $headers
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     * @param float $timeout
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     * @return string
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     */
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    protected function getUrl($url, $headers, $timeout)
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    {
382 1
        $context = stream_context_create(
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          [
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            'http' => [
385 1
            'header' => implode(CRLF, $headers),
386 1
            'timeout' => $timeout
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            ],
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            'ssl' => [
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              'verify_peer' => false,
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              'allow_self_signed'=> true
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            ]
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          ]
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        );
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        $rawResponse = file_get_contents($url, false, $context);
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        return $rawResponse;
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    }
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}
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