mirror of https://github.com/nextcloud/server
122 lines
3.3 KiB
PHP
122 lines
3.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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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 Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero 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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*/
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namespace OC\RichObjectStrings;
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use OCP\RichObjectStrings\Definitions;
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use OCP\RichObjectStrings\InvalidObjectExeption;
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use OCP\RichObjectStrings\IValidator;
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/**
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* Class Validator
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*
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* @package OCP\RichObjectStrings
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* @since 11.0.0
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*/
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class Validator implements IValidator {
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/** @var Definitions */
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protected $definitions;
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/** @var array[] */
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protected $requiredParameters = [];
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/**
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* Constructor
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*
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* @param Definitions $definitions
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*/
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public function __construct(Definitions $definitions) {
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$this->definitions = $definitions;
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}
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/**
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* @param string $subject
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* @param array[] $parameters
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* @throws InvalidObjectExeption
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* @since 11.0.0
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*/
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public function validate($subject, array $parameters) {
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$matches = [];
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$result = preg_match_all('/\{([a-z0-9]+)\}/i', $subject, $matches);
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if ($result === false) {
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throw new InvalidObjectExeption();
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}
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if (!empty($matches[1])) {
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foreach ($matches[1] as $parameter) {
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if (!isset($parameters[$parameter])) {
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throw new InvalidObjectExeption('Parameter is undefined');
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}
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}
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}
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foreach ($parameters as $parameter) {
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if (!\is_array($parameter)) {
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throw new InvalidObjectExeption('Parameter is malformed');
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}
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$this->validateParameter($parameter);
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}
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}
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/**
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* @param array $parameter
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* @throws InvalidObjectExeption
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*/
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protected function validateParameter(array $parameter) {
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if (!isset($parameter['type'])) {
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throw new InvalidObjectExeption('Object type is undefined');
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}
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$definition = $this->definitions->getDefinition($parameter['type']);
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$requiredParameters = $this->getRequiredParameters($parameter['type'], $definition);
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$missingKeys = array_diff($requiredParameters, array_keys($parameter));
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if (!empty($missingKeys)) {
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throw new InvalidObjectExeption('Object is invalid, missing keys:'.json_encode($missingKeys));
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}
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}
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/**
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* @param string $type
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* @param array $definition
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* @return string[]
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*/
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protected function getRequiredParameters($type, array $definition) {
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if (isset($this->requiredParameters[$type])) {
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return $this->requiredParameters[$type];
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}
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$this->requiredParameters[$type] = [];
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foreach ($definition['parameters'] as $parameter => $data) {
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if ($data['required']) {
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$this->requiredParameters[$type][] = $parameter;
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}
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}
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return $this->requiredParameters[$type];
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}
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}
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