117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php
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/**
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* OAI-PMH 2.0 Data Provider
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* Copyright (C) 2024 Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
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*
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* This program is 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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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace OCC\OaiPmh2;
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use Symfony\Component\Validator\Constraints as Assert;
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use Symfony\Component\Validator\Exception\ValidationFailedException;
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use Symfony\Component\Validator\Validation;
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/**
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* Base class for all Doctrine/ORM entities.
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*
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* @author Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
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* @package opencultureconsulting/oai-pmh2
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*/
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abstract class Entity
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{
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/**
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* Check if a string is a valid URL.
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*
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* @param string $url The URL
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*
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* @return string The validated URL
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*
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* @throws ValidationFailedException
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*/
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protected function validateUrl(string $url): string
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{
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$url = trim($url);
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$validator = Validation::createValidator();
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$violations = $validator->validate(
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$url,
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[
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new Assert\Url(),
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new Assert\NotBlank()
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]
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);
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if ($violations->count() > 0) {
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throw new ValidationFailedException(null, $violations);
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}
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return $url;
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}
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/**
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* Check if a string matches a given regular expression.
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*
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* @param string $string The string
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* @param string $regEx The regular expression
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*
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* @return string The validated string
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*
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* @throws ValidationFailedException
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*/
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protected function validateRegEx(string $string, string $regEx): string
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{
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$validator = Validation::createValidator();
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$violations = $validator->validate(
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$string,
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[
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new Assert\Regex([
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'pattern' => $regEx,
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'message' => 'This value does not match the regular expression "{{ pattern }}".'
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])
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]
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);
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if ($violations->count() > 0) {
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throw new ValidationFailedException(null, $violations);
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}
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return $string;
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}
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/**
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* Check if a string is well-formed XML.
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*
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* @param string $xml The XML string
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*
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* @return string The validated XML string
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*
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* @throws ValidationFailedException
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*/
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protected function validateXml(string $xml): string
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{
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$validator = Validation::createValidator();
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$violations = $validator->validate(
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$xml,
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[
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new Assert\Type('string'),
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new Assert\NotBlank()
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]
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);
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if ($violations->count() > 0
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or simplexml_load_string($xml) === false) {
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throw new ValidationFailedException(null, $violations);
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}
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return $xml;
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}
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}
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