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Git'Fellow
4920bd1725
PHP 8.3 allows class constants to declare a type. Adopt it where doing so cannot break third-party apps. Typing an inheritable constant is a hard BC break: a subclass that redeclares it untyped fails to load with "Type of C::FOO must be compatible with P::FOO of type string". Changes are therefore limited to constants that cannot be redeclared by a subclass: - private const (not inherited) - final public/protected const - constants declared in a final class or an enum Interface constants, trait constants, and public/protected constants in non-final (including abstract) classes are left untyped, as is all of lib/public (OCP) and lib/unstable (NCU). One review-requested exception: the public OBJECT_PREFIX/OBJECT_SUFFIX constants of the app-internal CalDAV import helpers (TextImporter, XmlImporter) are typed as well; these classes are not public API and have no subclasses. Only string, int and array are used. float is avoided because it would silently coerce an int literal and change === comparisons. No constant name or value is modified: every changed line adds only the type token, so runtime behaviour is unchanged. Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>
106 lines
2.6 KiB
PHP
106 lines
2.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2025 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\OpenMetrics;
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use Generator;
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use OC\OpenMetrics\Exporters\ActiveSessions;
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use OC\OpenMetrics\Exporters\ActiveUsers;
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use OC\OpenMetrics\Exporters\AppEnabled;
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use OC\OpenMetrics\Exporters\FilesByType;
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use OC\OpenMetrics\Exporters\InstanceInfo;
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use OC\OpenMetrics\Exporters\LogLevel;
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use OC\OpenMetrics\Exporters\Maintenance;
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use OC\OpenMetrics\Exporters\RunningJobs;
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use OC\OpenMetrics\Exporters\UsersByBackend;
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use OCP\App\IAppManager;
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use OCP\IConfig;
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use OCP\OpenMetrics\IMetricFamily;
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use OCP\Server;
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use Psr\Log\LoggerInterface;
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class ExporterManager {
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private array $skippedClasses;
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private const string XML_ENTRY = 'openmetrics';
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public function __construct(
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private IAppManager $appManager,
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private LoggerInterface $logger,
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IConfig $config,
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) {
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// Use values as keys for faster lookups
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$this->skippedClasses = array_fill_keys($config->getSystemValue('openmetrics_skipped_classes', []), true);
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}
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public function export(): Generator {
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// Core exporters
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$exporters = [
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// Basic exporters
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InstanceInfo::class,
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AppEnabled::class,
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Maintenance::class,
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LogLevel::class,
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// File exporters
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FilesByType::class,
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// Users exporters
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ActiveUsers::class,
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ActiveSessions::class,
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UsersByBackend::class,
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// Jobs
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RunningJobs::class,
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];
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$exporters = array_filter($exporters, fn ($classname) => !isset($this->skippedClasses[$classname]));
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foreach ($exporters as $classname) {
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$exporter = $this->loadExporter($classname);
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if ($exporter !== null) {
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yield $exporter;
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}
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}
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// Apps exporters
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foreach ($this->appManager->getEnabledApps() as $appId) {
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$appInfo = $this->appManager->getAppInfo($appId);
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if (!isset($appInfo[self::XML_ENTRY]) || !is_array($appInfo[self::XML_ENTRY])) {
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continue;
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}
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foreach ($appInfo[self::XML_ENTRY] as $classnames) {
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foreach ($classnames as $classname) {
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if (isset($this->skippedClasses[$classname])) {
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continue;
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}
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$exporter = $this->loadExporter($classname, $appId);
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if ($exporter !== null) {
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yield $exporter;
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}
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}
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}
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}
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}
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private function loadExporter(string $classname, string $appId = 'core'): ?IMetricFamily {
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try {
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return Server::get($classname);
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} catch (\Exception $e) {
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$this->logger->error(
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'Unable to build exporter {exporter}',
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[
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'app' => $appId,
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'exception' => $e,
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'exporter' => $classname,
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],
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);
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}
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return null;
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}
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}
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