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<?php |
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declare(strict_types = 1); |
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/** |
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* Contains Validator class. |
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* |
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* PHP version 7.0+ |
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* |
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* LICENSE: |
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* This file is part of Yet Another Php Eve Api Library also know as Yapeal |
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* which can be used to access the Eve Online API data and place it into a |
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* database. |
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* Copyright (C) 2015-2017 Michael Cummings |
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* |
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* This program is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU Lesser General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License |
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* for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see |
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* <http://spdx.org/licenses/LGPL-3.0.html>. |
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* |
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* You should be able to find a copy of this license in the COPYING-LESSER.md |
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* file. A copy of the GNU GPL should also be available in the COPYING.md file. |
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* |
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* @copyright 2015-2017 Michael Cummings |
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* @license LGPL-3.0+ |
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* @author Michael Cummings <[email protected]> |
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*/ |
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namespace Yapeal\Xsd; |
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use Yapeal\Event\EveApiEventEmitterTrait; |
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use Yapeal\Event\EveApiEventInterface; |
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use Yapeal\Event\MediatorInterface; |
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use Yapeal\Event\YEMAwareInterface; |
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use Yapeal\Exception\YapealFileSystemException; |
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use Yapeal\FileSystem\RelativeFileSearchTrait; |
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use Yapeal\FileSystem\SafeFileHandlingTrait; |
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use Yapeal\Log\Logger; |
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use Yapeal\Xml\EveApiReadWriteInterface; |
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use Yapeal\Xml\LibXmlChecksTrait; |
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/** |
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* Class Validator |
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*/ |
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class Validator implements ValidatorInterface, YEMAwareInterface |
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{ |
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use EveApiEventEmitterTrait; |
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use LibXmlChecksTrait; |
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use RelativeFileSearchTrait; |
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use SafeFileHandlingTrait; |
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/** |
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* Constructor. |
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* |
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* @param string $dir Base directory where Eve API XSD files can be found. |
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*/ |
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public function __construct(string $dir = __DIR__) |
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{ |
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$this->setRelativeBaseDir($dir . '/'); |
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} |
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/** |
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* @param EveApiEventInterface $event |
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* @param string $eventName |
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* @param MediatorInterface $yem |
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* |
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* @return EveApiEventInterface |
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* @throws \DomainException |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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* @throws \UnexpectedValueException |
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*/ |
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public function validateEveApi( |
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EveApiEventInterface $event, |
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string $eventName, |
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MediatorInterface $yem |
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): EveApiEventInterface { |
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$this->setYem($yem); |
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$data = $event->getData(); |
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$yem->triggerLogEvent('Yapeal.Log.log', |
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Logger::DEBUG, |
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$this->getReceivedEventMessage($data, $eventName, __CLASS__)); |
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if ('' === $xml = $data->getEveApiXml()) { |
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$messagePrefix = 'Given empty XML during the validation of'; |
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$yem->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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return $event; |
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} |
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if (false !== strpos($xml, '<!DOCTYPE html')) { |
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$messagePrefix = 'Received HTML error doc instead of XML data during the validation of'; |
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$yem->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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// Cache received error html. |
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$apiName = $data->getEveApiName(); |
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$data->setEveApiName('Invalid_' . $apiName); |
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$this->emitEvents($data, 'preserve', 'Yapeal.Xml.Error'); |
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$data->setEveApiName($apiName); |
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return $event; |
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} |
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if (false === $xsdContents = $this->getXsdFileContents($data)) { |
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return $event; |
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} |
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libxml_clear_errors(); |
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libxml_use_internal_errors(true); |
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$dom = $this->getDom(); |
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if (false === $dom->loadXML($xml)) { |
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$messagePrefix = 'DOM could not load XML during the validation of'; |
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$yem->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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$this->checkLibXmlErrors($data, $yem); |
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libxml_use_internal_errors(false); |
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return $event; |
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} |
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/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
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if (false === @$dom->schemaValidateSource($xsdContents)) { |
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$messagePrefix = 'DOM schema could not validate XML during the validation of'; |
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$yem->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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// Cache error causing XML. |
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$apiName = $data->getEveApiName(); |
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$data->setEveApiName('Invalid_' . $apiName); |
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$this->emitEvents($data, 'preserve', 'Yapeal.Xml.Error'); |
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$data->setEveApiName($apiName); |
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$this->checkLibXmlErrors($data, $yem); |
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libxml_use_internal_errors(false); |
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return $event; |
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} |
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if (false === $this->checkForValidDateTimes($dom, $data)) { |
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return $event; |
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} |
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libxml_use_internal_errors(false); |
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$messagePrefix = 'Successfully validated the XML during the validation of'; |
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$yem->triggerLogEvent('Yapeal.Log.log', Logger::INFO, $this->createEveApiMessage($messagePrefix, $data)); |
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// Check for XML error element. |
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if (false !== strpos($xml, '<error ')) { |
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$this->emitEvents($data, 'start', 'Yapeal.Xml.Error'); |
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return $event; |
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} |
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return $event->setHandledSufficiently(); |
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} |
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/** |
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* @param \DOMDocument $dom |
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* @param EveApiReadWriteInterface $data |
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* |
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* @return bool |
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* @throws \DomainException |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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* @throws \UnexpectedValueException |
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*/ |
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private function checkForValidDateTimes(\DOMDocument $dom, EveApiReadWriteInterface $data) |
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{ |
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libxml_clear_errors(); |
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libxml_use_internal_errors(true); |
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$simple = simplexml_import_dom($dom); |
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$eveFormat = 'Y-m-d H:i:sP'; |
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$current = \DateTimeImmutable::createFromFormat($eveFormat, $simple->currentTime[0] . '+00:00'); |
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$until = \DateTimeImmutable::createFromFormat($eveFormat, $simple->cachedUntil[0] . '+00:00'); |
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if ($until <= $current) { |
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$messagePrefix = sprintf('CachedUntil is invalid was given %s and currentTime is %s during the validation of', |
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$until->format($eveFormat), |
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$current->format($eveFormat)); |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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$mess = 'Please report the above logged error to CCP so they can fixed it'; |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $mess); |
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return false; |
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} |
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// Current plus a day. |
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if ($until > $current->add(new \DateInterval('P1D'))) { |
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$messagePrefix = sprintf('CachedUntil is excessively long was given %s and it is currently %s during the' |
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. ' validation of', |
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$until->format($eveFormat), |
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$current->format($eveFormat)); |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @return \DOMDocument |
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*/ |
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private function getDom(): \DOMDocument |
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{ |
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if (null === $this->dom) { |
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$this->dom = new \DOMDocument(); |
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} |
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return $this->dom; |
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} |
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/** |
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* @param EveApiReadWriteInterface $data |
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* |
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* @return false|string |
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* @throws \DomainException |
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* @throws \InvalidArgumentException |
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* @throws \LogicException |
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* @throws \UnexpectedValueException |
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*/ |
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private function getXsdFileContents(EveApiReadWriteInterface $data) |
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{ |
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try { |
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$xsdFile = $this->findRelativeFileWithPath(ucfirst($data->getEveApiSectionName()), |
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$data->getEveApiName(), |
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'xsd'); |
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} catch (YapealFileSystemException $exc) { |
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$messagePrefix = 'Failed to find accessible XSD file during the validation of'; |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', |
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Logger::WARNING, |
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$this->createEveApiMessage($messagePrefix, $data), |
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['exception' => $exc]); |
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return false; |
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} |
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$contents = $this->safeFileRead($xsdFile); |
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if (false === $contents) { |
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$messagePrefix = sprintf('Failed to read XSD file %s during the validation of', $xsdFile); |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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return false; |
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} |
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if ('' === $contents) { |
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$messagePrefix = sprintf('Received an empty XSD file %s during the validation of', $xsdFile); |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', Logger::WARNING, $this->createEveApiMessage($messagePrefix, $data)); |
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return false; |
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} |
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7 |
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libxml_clear_errors(); |
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7 |
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libxml_use_internal_errors(true); |
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try { |
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if (false !== new \SimpleXMLElement($contents)) { |
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$messagePrefix = sprintf('Using XSD file %s during the validation of', $xsdFile); |
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$this->getYem() |
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->triggerLogEvent('Yapeal.Log.log', |
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Logger::INFO, |
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6 |
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$this->createEveApiMessage($messagePrefix, $data)); |
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6 |
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return $contents; |
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} |
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1 |
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} catch (\Exception $exc) { |
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1 |
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$messagePrefix = sprintf('SimpleXMLElement exception caused by XSD file %s during the validation of', |
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$xsdFile); |
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1 |
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$this->getYem() |
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1 |
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->triggerLogEvent('Yapeal.Log.log', |
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1 |
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Logger::WARNING, |
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1 |
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$this->createEveApiMessage($messagePrefix, $data), |
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1 |
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['exception' => $exc]); |
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1 |
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$this->checkLibXmlErrors($data, $this->getYem()); |
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} |
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1 |
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libxml_use_internal_errors(false); |
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1 |
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return false; |
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} |
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/** |
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* @var \DOMDocument $dom |
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*/ |
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private $dom; |
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} |
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Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line.