diff options
Diffstat (limited to 'lib/private/App/PlatformRepository.php')
-rw-r--r-- | lib/private/App/PlatformRepository.php | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/lib/private/App/PlatformRepository.php b/lib/private/App/PlatformRepository.php new file mode 100644 index 00000000000..faed8b07feb --- /dev/null +++ b/lib/private/App/PlatformRepository.php @@ -0,0 +1,211 @@ +<?php + +/** + * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors + * SPDX-FileCopyrightText: 2016 ownCloud, Inc. + * SPDX-License-Identifier: AGPL-3.0-only + */ +namespace OC\App; + +/** + * Class PlatformRepository + * + * Inspired by the composer project - licensed under MIT + * https://github.com/composer/composer/blob/master/src/Composer/Repository/PlatformRepository.php#L82 + * + * @package OC\App + */ +class PlatformRepository { + private array $packages; + + public function __construct() { + $this->packages = $this->initialize(); + } + + protected function initialize(): array { + $loadedExtensions = get_loaded_extensions(); + $packages = []; + + // Extensions scanning + foreach ($loadedExtensions as $name) { + if (in_array($name, ['standard', 'Core'])) { + continue; + } + + $ext = new \ReflectionExtension($name); + try { + $prettyVersion = $ext->getVersion(); + /** @psalm-suppress TypeDoesNotContainNull + * @psalm-suppress RedundantCondition + * TODO Remove these annotations once psalm fixes the method signature ( https://github.com/vimeo/psalm/pull/8655 ) + */ + $prettyVersion = $this->normalizeVersion($prettyVersion ?? '0'); + } catch (\UnexpectedValueException $e) { + $prettyVersion = '0'; + $prettyVersion = $this->normalizeVersion($prettyVersion); + } + + $packages[$this->buildPackageName($name)] = $prettyVersion; + } + + foreach ($loadedExtensions as $name) { + $prettyVersion = null; + switch ($name) { + case 'curl': + $curlVersion = curl_version(); + $prettyVersion = $curlVersion['version']; + break; + + case 'intl': + $name = 'ICU'; + if (defined('INTL_ICU_VERSION')) { + $prettyVersion = INTL_ICU_VERSION; + } else { + $reflector = new \ReflectionExtension('intl'); + + ob_start(); + $reflector->info(); + $output = ob_get_clean(); + + preg_match('/^ICU version => (.*)$/m', $output, $matches); + $prettyVersion = $matches[1]; + } + + break; + + case 'libxml': + $prettyVersion = LIBXML_DOTTED_VERSION; + break; + + case 'openssl': + $prettyVersion = preg_replace_callback('{^(?:OpenSSL\s*)?([0-9.]+)([a-z]?).*}', function ($match) { + return $match[1] . (empty($match[2]) ? '' : '.' . (ord($match[2]) - 96)); + }, OPENSSL_VERSION_TEXT); + break; + + case 'pcre': + $prettyVersion = preg_replace('{^(\S+).*}', '$1', PCRE_VERSION); + break; + + case 'uuid': + $prettyVersion = phpversion('uuid'); + break; + + case 'xsl': + $prettyVersion = LIBXSLT_DOTTED_VERSION; + break; + + default: + // None handled extensions have no special cases, skip + continue 2; + } + + if ($prettyVersion === null) { + continue; + } + try { + $prettyVersion = $this->normalizeVersion($prettyVersion); + } catch (\UnexpectedValueException $e) { + continue; + } + + $packages[$this->buildPackageName($name)] = $prettyVersion; + } + + return $packages; + } + + private function buildPackageName(string $name): string { + return str_replace(' ', '-', $name); + } + + public function findLibrary(string $name): ?string { + $extName = $this->buildPackageName($name); + if (isset($this->packages[$extName])) { + return $this->packages[$extName]; + } + return null; + } + + private static string $modifierRegex = '[._-]?(?:(stable|beta|b|RC|alpha|a|patch|pl|p)(?:[.-]?(\d+))?)?([.-]?dev)?'; + + /** + * Normalizes a version string to be able to perform comparisons on it + * + * https://github.com/composer/composer/blob/master/src/Composer/Package/Version/VersionParser.php#L94 + * + * @param string $fullVersion optional complete version string to give more context + * @throws \UnexpectedValueException + */ + public function normalizeVersion(string $version, ?string $fullVersion = null): string { + $version = trim($version); + if ($fullVersion === null) { + $fullVersion = $version; + } + // ignore aliases and just assume the alias is required instead of the source + if (preg_match('{^([^,\s]+) +as +([^,\s]+)$}', $version, $match)) { + $version = $match[1]; + } + // match master-like branches + if (preg_match('{^(?:dev-)?(?:master|trunk|default)$}i', $version)) { + return '9999999-dev'; + } + if (strtolower(substr($version, 0, 4)) === 'dev-') { + return 'dev-' . substr($version, 4); + } + // match classical versioning + if (preg_match('{^v?(\d{1,3})(\.\d+)?(\.\d+)?(\.\d+)?' . self::$modifierRegex . '$}i', $version, $matches)) { + $version = $matches[1] + . (!empty($matches[2]) ? $matches[2] : '.0') + . (!empty($matches[3]) ? $matches[3] : '.0') + . (!empty($matches[4]) ? $matches[4] : '.0'); + $index = 5; + } elseif (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3})?)' . self::$modifierRegex . '$}i', $version, $matches)) { // match date-based versioning + $version = preg_replace('{\D}', '-', $matches[1]); + $index = 2; + } elseif (preg_match('{^v?(\d{4,})(\.\d+)?(\.\d+)?(\.\d+)?' . self::$modifierRegex . '$}i', $version, $matches)) { + $version = $matches[1] + . (!empty($matches[2]) ? $matches[2] : '.0') + . (!empty($matches[3]) ? $matches[3] : '.0') + . (!empty($matches[4]) ? $matches[4] : '.0'); + $index = 5; + } + // add version modifiers if a version was matched + if (isset($index)) { + if (!empty($matches[$index])) { + if ($matches[$index] === 'stable') { + return $version; + } + $version .= '-' . $this->expandStability($matches[$index]) . (!empty($matches[$index + 1]) ? $matches[$index + 1] : ''); + } + if (!empty($matches[$index + 2])) { + $version .= '-dev'; + } + return $version; + } + $extraMessage = ''; + if (preg_match('{ +as +' . preg_quote($version) . '$}', $fullVersion)) { + $extraMessage = ' in "' . $fullVersion . '", the alias must be an exact version'; + } elseif (preg_match('{^' . preg_quote($version) . ' +as +}', $fullVersion)) { + $extraMessage = ' in "' . $fullVersion . '", the alias source must be an exact version, if it is a branch name you should prefix it with dev-'; + } + throw new \UnexpectedValueException('Invalid version string "' . $version . '"' . $extraMessage); + } + + private function expandStability(string $stability): string { + $stability = strtolower($stability); + switch ($stability) { + case 'a': + return 'alpha'; + case 'b': + return 'beta'; + case 'p': + case 'pl': + return 'patch'; + case 'rc': + return 'RC'; + default: + return $stability; + } + } +} |