tests/lib/security/stringutils.php


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<?php
/**
 * Copyright (c) 2014 Lukas Reschke <lukas@owncloud.com>
 * This file is licensed under the Affero General Public License version 3 or
 * later.
 * See the COPYING-README file.
 */

use \OC\Security\StringUtils;

class StringUtilsTest extends \Test\TestCase {

	public function dataProvider()
	{
		return array(
			array('Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt.', 'Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt.'),
			array('', ''),
			array('我看这本书。 我看這本書', '我看这本书。 我看這本書'),
			array('GpKY9fSnWNJbES99zVGvA', 'GpKY9fSnWNJbES99zVGvA')
		);
	}

	/**
	 * @dataProvider dataProvider
	 */
	function testWrongEquals($string) {
		$this->assertFalse(StringUtils::equals($string, 'A Completely Wrong String'));
		$this->assertFalse(StringUtils::equals($string, null));
	}

	/**
	 * @dataProvider dataProvider
	 */
	function testTrueEquals($string, $expected) {
		$this->assertTrue(StringUtils::equals($string, $expected));
	}

}
<?php

/**
 * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OC\Share20;

use OC\Share20\Exception\ProviderException;
use OCA\FederatedFileSharing\AddressHandler;
use OCA\FederatedFileSharing\FederatedShareProvider;
use OCA\FederatedFileSharing\Notifications;
use OCA\FederatedFileSharing\TokenHandler;
use OCA\ShareByMail\Settings\SettingsManager;
use OCA\ShareByMail\ShareByMailProvider;
use OCA\Talk\Share\RoomShareProvider;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Defaults;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\Federation\ICloudFederationFactory;
use OCP\Files\IRootFolder;
use OCP\Http\Client\IClientService;
use OCP\IServerContainer;
use OCP\L10N\IFactory;
use OCP\Mail\IMailer;
use OCP\Security\IHasher;
use OCP\Security\ISecureRandom;
use OCP\Share\IManager;
use OCP\Share\IProviderFactory;
use OCP\Share\IShare;
use OCP\Share\IShareProvider;
use Psr\Log\LoggerInterface;

/**
 * Class ProviderFactory
 *
 * @package OC\Share20
 */
class ProviderFactory implements IProviderFactory {
	/** @var DefaultShareProvider */
	private $defaultProvider = null;
	/** @var FederatedShareProvider */
	private $federatedProvider = null;
	/** @var ShareByMailProvider */
	private $shareByMailProvider;
	/** @var \OCA\Circles\ShareByCircleProvider */
	private $shareByCircleProvider = null;
	/** @var bool */
	private $circlesAreNotAvailable = false;
	/** @var \OCA\Talk\Share\RoomShareProvider */
	private $roomShareProvider = null;

	private $registeredShareProviders = [];

	private $shareProviders = [];

	/**
	 * IProviderFactory constructor.
	 *
	 * @param IServerContainer $serverContainer
	 */
	public function __construct(
		private IServerContainer $serverContainer,
	) {
	}

	public function registerProvider(string $shareProviderClass): void {
		$this->registeredShareProviders[] = $shareProviderClass;
	}

	/**
	 * Create the default share provider.
	 *
	 * @return DefaultShareProvider
	 */
	protected function defaultShareProvider() {
		if ($this->defaultProvider === null) {
			$this->defaultProvider = new DefaultShareProvider(
				$this->serverContainer->getDatabaseConnection(),
				$this->serverContainer->getUserManager(),
				$this->serverContainer->getGroupManager(),
				$this->serverContainer->get(IRootFolder::class),
				$this->serverContainer->get(IMailer::class),
				$this->serverContainer->get(Defaults::class),
				$this->serverContainer->get(IFactory::class),
				$this->serverContainer->getURLGenerator(),
				$this->serverContainer->get(ITimeFactory::class),
				$this->serverContainer->get(LoggerInterface::class),
				$this->serverContainer->get(IManager::class),
			);
		}

		return $this->defaultProvider;
	}

	/**
	 * Create the federated share provider
	 *
	 * @return FederatedShareProvider
	 */
	protected function federatedShareProvider() {
		if ($this->federatedProvider === null) {
			/*
			 * Check if the app is enabled
			 */
			$appManager = $this->serverContainer->getAppManager();
			if (!$appManager->isEnabledForUser('federatedfilesharing')) {
				return null;
			}

			/*
			 * TODO: add factory to federated sharing app
			 */
			$l = $this->serverContainer->getL10N('federatedfilesharing');
			$addressHandler = new AddressHandler(
				$this->serverContainer->getURLGenerator(),
				$l,
				$this->serverContainer->getCloudIdManager()
			);
			$notifications = new Notifications(
				$addressHandler,
				$this->serverContainer->get(IClientService::class),
				$this->serverContainer->get(\OCP\OCS\IDiscoveryService::class),
				$this->serverContainer->getJobList(),
				\OC::$server->getCloudFederationProviderManager(),
				\OC::$server->get(ICloudFederationFactory::class),
				$this->serverContainer->get(IEventDispatcher::class),
				$this->serverContainer->get(LoggerInterface::class),
			);
			$tokenHandler = new TokenHandler(
				$this->serverContainer->get(ISecureRandom::class)
			);

			$this->federatedProvider = new FederatedShareProvider(
				$this->serverContainer->getDatabaseConnection(),
				$addressHandler,
				$notifications,
				$tokenHandler,
				$l,
				$this->serverContainer->get(IRootFolder::class),
				$this->serverContainer->getConfig(),
				$this->serverContainer->getUserManager(),
				$this->serverContainer->getCloudIdManager(),
				$this->serverContainer->getGlobalScaleConfig(),
				$this->serverContainer->getCloudFederationProviderManager(),
				$this->serverContainer->get(LoggerInterface::class),
			);
		}

		return $this->federatedProvider;
	}

	/**
	 * Create the federated share provider
	 *
	 * @return ShareByMailProvider
	 */
	protected function getShareByMailProvider() {
		if ($this->shareByMailProvider === null) {
			/*
			 * Check if the app is enabled
			 */
			$appManager = $this->serverContainer->getAppManager();
			if (!$appManager->isEnabledForUser('sharebymail')) {
				return null;
			}

			$settingsManager = new SettingsManager($this->serverContainer->getConfig());

			$this->shareByMailProvider = new ShareByMailProvider(
				$this->serverContainer->getConfig(),
				$this->serverContainer->getDatabaseConnection(),
				$this->serverContainer->get(ISecureRandom::class),
				$this->serverContainer->getUserManager(),
				$this->serverContainer->get(IRootFolder::class),
				$this->serverContainer->getL10N('sharebymail'),
				$this->serverContainer->get(LoggerInterface::class),
				$this->serverContainer->get(IMailer::class),
				$this->serverContainer->getURLGenerator(),
				$this->serverContainer->getActivityManager(),
				$settingsManager,
				$this->serverContainer->get(Defaults::class),
				$this->serverContainer->get(IHasher::class),
				$this->serverContainer->get(IEventDispatcher::class),
				$this->serverContainer->get(IManager::class)
			);
		}

		return $this->shareByMailProvider;
	}


	/**
	 * Create the circle share provider
	 *
	 * @return FederatedShareProvider
	 *
	 * @suppress PhanUndeclaredClassMethod
	 */
	protected function getShareByCircleProvider() {
		if ($this->circlesAreNotAvailable) {
			return null;
		}

		if (!$this->serverContainer->getAppManager()->isEnabledForUser('circles') ||
			!class_exists('\OCA\Circles\ShareByCircleProvider')
		) {
			$this->circlesAreNotAvailable = true;
			return null;
		}

		if ($this->shareByCircleProvider === null) {
			$this->shareByCircleProvider = new \OCA\Circles\ShareByCircleProvider(
				$this->serverContainer->getDatabaseConnection(),
				$this->serverContainer->get(ISecureRandom::class),
				$this->serverContainer->getUserManager(),
				$this->serverContainer->get(IRootFolder::class),
				$this->serverContainer->getL10N('circles'),
				$this->serverContainer->get(LoggerInterface::class),
				$this->serverContainer->getURLGenerator()
			);
		}

		return $this->shareByCircleProvider;
	}

	/**
	 * Create the room share provider
	 *
	 * @return RoomShareProvider
	 */
	protected function getRoomShareProvider() {
		if ($this->roomShareProvider === null) {
			/*
			 * Check if the app is enabled
			 */
			$appManager = $this->serverContainer->getAppManager();
			if (!$appManager->isEnabledForUser('spreed')) {
				return null;
			}

			try {
				/**
				 * @psalm-suppress UndefinedClass
				 */
				$this->roomShareProvider = $this->serverContainer->get(RoomShareProvider::class);
			} catch (\Throwable $e) {
				$this->serverContainer->get(LoggerInterface::class)->error(
					$e->getMessage(),
					['exception' => $e]
				);
				return null;
			}
		}

		return $this->roomShareProvider;
	}

	/**
	 * @inheritdoc
	 */
	public function getProvider($id) {
		$provider = null;
		if (isset($this->shareProviders[$id])) {
			return $this->shareProviders[$id];
		}

		if ($id === 'ocinternal') {
			$provider = $this->defaultShareProvider();
		} elseif ($id === 'ocFederatedSharing') {
			$provider = $this->federatedShareProvider();
		} elseif ($id === 'ocMailShare') {
			$provider = $this->getShareByMailProvider();
		} elseif ($id === 'ocCircleShare') {
			$provider = $this->getShareByCircleProvider();
		} elseif ($id === 'ocRoomShare') {
			$provider = $this->getRoomShareProvider();
		}

		foreach ($this->registeredShareProviders as $shareProvider) {
			try {
				/** @var IShareProvider $instance */
				$instance = $this->serverContainer->get($shareProvider);
				$this->shareProviders[$instance->identifier()] = $instance;
			} catch (\Throwable $e) {
				$this->serverContainer->get(LoggerInterface::class)->error(
					$e->getMessage(),
					['exception' => $e]
				);
			}
		}

		if (isset($this->shareProviders[$id])) {
			$provider = $this->shareProviders[$id];
		}

		if ($provider === null) {
			throw new ProviderException('No provider with id .' . $id . ' found.');
		}

		return $provider;
	}

	/**
	 * @inheritdoc
	 */
	public function getProviderForType($shareType) {
		$provider = null;

		if ($shareType === IShare::TYPE_USER ||
			$shareType === IShare::TYPE_GROUP ||
			$shareType === IShare::TYPE_LINK
		) {
			$provider = $this->defaultShareProvider();
		} elseif ($shareType === IShare::TYPE_REMOTE || $shareType === IShare::TYPE_REMOTE_GROUP) {
			$provider = $this->federatedShareProvider();
		} elseif ($shareType === IShare::TYPE_EMAIL) {
			$provider = $this->getShareByMailProvider();
		} elseif ($shareType === IShare::TYPE_CIRCLE) {
			$provider = $this->getShareByCircleProvider();
		} elseif ($shareType === IShare::TYPE_ROOM) {
			$provider = $this->getRoomShareProvider();
		} elseif ($shareType === IShare::TYPE_DECK) {
			$provider = $this->getProvider('deck');
		} elseif ($shareType === IShare::TYPE_SCIENCEMESH) {
			$provider = $this->getProvider('sciencemesh');
		}


		if ($provider === null) {
			throw new ProviderException('No share provider for share type ' . $shareType);
		}

		return $provider;
	}

	public function getAllProviders() {
		$shares = [$this->defaultShareProvider(), $this->federatedShareProvider()];
		$shareByMail = $this->getShareByMailProvider();
		if ($shareByMail !== null) {
			$shares[] = $shareByMail;
		}
		$shareByCircle = $this->getShareByCircleProvider();
		if ($shareByCircle !== null) {
			$shares[] = $shareByCircle;
		}
		$roomShare = $this->getRoomShareProvider();
		if ($roomShare !== null) {
			$shares[] = $roomShare;
		}

		foreach ($this->registeredShareProviders as $shareProvider) {
			try {
				/** @var IShareProvider $instance */
				$instance = $this->serverContainer->get($shareProvider);
			} catch (\Throwable $e) {
				$this->serverContainer->get(LoggerInterface::class)->error(
					$e->getMessage(),
					['exception' => $e]
				);
				continue;
			}

			if (!isset($this->shareProviders[$instance->identifier()])) {
				$this->shareProviders[$instance->identifier()] = $instance;
			}
			$shares[] = $this->shareProviders[$instance->identifier()];
		}


		return $shares;
	}
}