mirror of
https://github.com/nextcloud/server.git
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81 lines
2.9 KiB
PHP
81 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\App;
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use InvalidArgumentException;
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use function explode;
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class CompareVersion {
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private const REGEX_MAJOR = '/^\d+$/';
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private const REGEX_MAJOR_MINOR = '/^\d+\.\d+$/';
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private const REGEX_MAJOR_MINOR_PATCH = '/^\d+\.\d+\.\d+(?!\.\d+)/';
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private const REGEX_ACTUAL = '/^\d+(\.\d+){1,2}/';
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/**
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* Checks if the given server version fulfills the given (app) version requirements.
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*
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* Version requirements can be 'major.minor.patch', 'major.minor' or just 'major',
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* so '13.0.1', '13.0' and '13' are valid.
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*
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* @param string $actual version as major.minor.patch notation
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* @param string $required version where major is required and minor and patch are optional
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* @param string $comparator passed to `version_compare`
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* @return bool whether the requirement is fulfilled
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* @throws InvalidArgumentException if versions specified in an invalid format
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*/
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public function isCompatible(string $actual, string $required,
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string $comparator = '>='): bool {
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if (!preg_match(self::REGEX_ACTUAL, $actual, $matches)) {
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throw new InvalidArgumentException("version specification $actual is invalid");
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}
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$cleanActual = $matches[0];
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if (preg_match(self::REGEX_MAJOR, $required) === 1) {
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return $this->compareMajor($cleanActual, $required, $comparator);
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} elseif (preg_match(self::REGEX_MAJOR_MINOR, $required) === 1) {
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return $this->compareMajorMinor($cleanActual, $required, $comparator);
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} elseif (preg_match(self::REGEX_MAJOR_MINOR_PATCH, $required) === 1) {
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return $this->compareMajorMinorPatch($cleanActual, $required, $comparator);
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} else {
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throw new InvalidArgumentException("required version $required is invalid");
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}
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}
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private function compareMajor(string $actual, string $required,
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string $comparator) {
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$actualMajor = explode('.', $actual)[0];
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$requiredMajor = explode('.', $required)[0];
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return version_compare($actualMajor, $requiredMajor, $comparator);
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}
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private function compareMajorMinor(string $actual, string $required,
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string $comparator) {
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$actualMajor = explode('.', $actual)[0];
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$actualMinor = explode('.', $actual)[1];
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$requiredMajor = explode('.', $required)[0];
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$requiredMinor = explode('.', $required)[1];
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return version_compare("$actualMajor.$actualMinor",
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"$requiredMajor.$requiredMinor", $comparator);
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}
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private function compareMajorMinorPatch($actual, $required, $comparator) {
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$actualMajor = explode('.', $actual)[0];
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$actualMinor = explode('.', $actual)[1];
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$actualPatch = explode('.', $actual)[2];
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$requiredMajor = explode('.', $required)[0];
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$requiredMinor = explode('.', $required)[1];
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$requiredPatch = explode('.', $required)[2];
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return version_compare("$actualMajor.$actualMinor.$actualPatch",
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"$requiredMajor.$requiredMinor.$requiredPatch", $comparator);
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}
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}
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