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7c99850958
To match beececf660/lib/private/Files/View.php (L1050)
- Fix https://github.com/nextcloud/server/issues/44110
Signed-off-by: Louis Chemineau <louis@chmn.me>
466 lines
10 KiB
PHP
466 lines
10 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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namespace OC\Files\Storage\Wrapper;
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use OCP\Files\Storage\IStorage;
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use OCP\Files\StorageAuthException;
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use OCP\Files\StorageNotAvailableException;
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use OCP\IConfig;
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/**
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* Availability checker for storages
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*
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* Throws a StorageNotAvailableException for storages with known failures
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*/
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class Availability extends Wrapper {
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public const RECHECK_TTL_SEC = 600; // 10 minutes
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/** @var IConfig */
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protected $config;
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public function __construct($parameters) {
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$this->config = $parameters['config'] ?? \OC::$server->getConfig();
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parent::__construct($parameters);
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}
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public static function shouldRecheck($availability) {
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if (!$availability['available']) {
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// trigger a recheck if TTL reached
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if ((time() - $availability['last_checked']) > self::RECHECK_TTL_SEC) {
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return true;
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}
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}
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return false;
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}
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/**
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* Only called if availability === false
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*
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* @return bool
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*/
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private function updateAvailability() {
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// reset availability to false so that multiple requests don't recheck concurrently
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$this->setAvailability(false);
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try {
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$result = $this->test();
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} catch (\Exception $e) {
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$result = false;
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}
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$this->setAvailability($result);
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return $result;
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}
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/**
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* @return bool
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*/
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private function isAvailable() {
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$availability = $this->getAvailability();
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if (self::shouldRecheck($availability)) {
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return $this->updateAvailability();
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}
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return $availability['available'];
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}
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/**
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* @throws StorageNotAvailableException
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*/
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private function checkAvailability() {
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if (!$this->isAvailable()) {
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throw new StorageNotAvailableException();
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}
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}
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/** {@inheritdoc} */
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public function mkdir($path) {
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$this->checkAvailability();
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try {
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return parent::mkdir($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function rmdir($path) {
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$this->checkAvailability();
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try {
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return parent::rmdir($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function opendir($path) {
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$this->checkAvailability();
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try {
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return parent::opendir($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function is_dir($path) {
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$this->checkAvailability();
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try {
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return parent::is_dir($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function is_file($path) {
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$this->checkAvailability();
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try {
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return parent::is_file($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function stat($path) {
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$this->checkAvailability();
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try {
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return parent::stat($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function filetype($path) {
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$this->checkAvailability();
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try {
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return parent::filetype($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function filesize($path): false|int|float {
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$this->checkAvailability();
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try {
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return parent::filesize($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function isCreatable($path) {
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$this->checkAvailability();
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try {
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return parent::isCreatable($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function isReadable($path) {
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$this->checkAvailability();
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try {
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return parent::isReadable($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function isUpdatable($path) {
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$this->checkAvailability();
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try {
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return parent::isUpdatable($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function isDeletable($path) {
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$this->checkAvailability();
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try {
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return parent::isDeletable($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function isSharable($path) {
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$this->checkAvailability();
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try {
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return parent::isSharable($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getPermissions($path) {
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$this->checkAvailability();
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try {
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return parent::getPermissions($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function file_exists($path) {
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if ($path === '') {
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return true;
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}
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$this->checkAvailability();
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try {
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return parent::file_exists($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function filemtime($path) {
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$this->checkAvailability();
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try {
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return parent::filemtime($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function file_get_contents($path) {
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$this->checkAvailability();
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try {
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return parent::file_get_contents($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function file_put_contents($path, $data) {
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$this->checkAvailability();
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try {
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return parent::file_put_contents($path, $data);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function unlink($path) {
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$this->checkAvailability();
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try {
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return parent::unlink($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function rename($source, $target) {
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$this->checkAvailability();
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try {
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return parent::rename($source, $target);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function copy($source, $target) {
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$this->checkAvailability();
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try {
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return parent::copy($source, $target);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function fopen($path, $mode) {
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$this->checkAvailability();
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try {
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return parent::fopen($path, $mode);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getMimeType($path) {
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$this->checkAvailability();
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try {
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return parent::getMimeType($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function hash($type, $path, $raw = false) {
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$this->checkAvailability();
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try {
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return parent::hash($type, $path, $raw);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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return false;
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}
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}
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/** {@inheritdoc} */
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public function free_space($path) {
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$this->checkAvailability();
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try {
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return parent::free_space($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function search($query) {
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$this->checkAvailability();
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try {
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return parent::search($query);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function touch($path, $mtime = null) {
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$this->checkAvailability();
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try {
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return parent::touch($path, $mtime);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getLocalFile($path) {
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$this->checkAvailability();
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try {
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return parent::getLocalFile($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function hasUpdated($path, $time) {
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if (!$this->isAvailable()) {
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return false;
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}
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try {
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return parent::hasUpdated($path, $time);
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} catch (StorageNotAvailableException $e) {
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// set unavailable but don't rethrow
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$this->setUnavailable(null);
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return false;
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}
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}
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/** {@inheritdoc} */
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public function getOwner($path) {
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try {
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return parent::getOwner($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getETag($path) {
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$this->checkAvailability();
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try {
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return parent::getETag($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getDirectDownload($path) {
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$this->checkAvailability();
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try {
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return parent::getDirectDownload($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
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$this->checkAvailability();
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try {
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return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
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$this->checkAvailability();
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try {
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return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/** {@inheritdoc} */
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public function getMetaData($path) {
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$this->checkAvailability();
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try {
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return parent::getMetaData($path);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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/**
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* @template T of StorageNotAvailableException|null
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* @param T $e
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* @psalm-return (T is null ? void : never)
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* @throws StorageNotAvailableException
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*/
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protected function setUnavailable(?StorageNotAvailableException $e): void {
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$delay = self::RECHECK_TTL_SEC;
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if ($e instanceof StorageAuthException) {
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$delay = max(
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// 30min
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$this->config->getSystemValueInt('external_storage.auth_availability_delay', 1800),
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self::RECHECK_TTL_SEC
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);
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}
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$this->getStorageCache()->setAvailability(false, $delay);
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if ($e !== null) {
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throw $e;
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}
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}
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public function getDirectoryContent($directory): \Traversable {
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$this->checkAvailability();
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try {
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return parent::getDirectoryContent($directory);
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} catch (StorageNotAvailableException $e) {
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$this->setUnavailable($e);
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}
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}
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}
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