FederatedEventService::newEvent() - Code Metrics - Inspection of "Circles 22" - nextcloud/circles - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#551)

by Maxence

created 2021-02-24 13:04 UTC

FederatedEventService::newEvent() B

↳ Parent: FederatedEventService

Complexity

Conditions	8
Paths	10

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	42
rs	8.0035
c	0
b	0
f	0
cc	8
nc	10
nop	1

<?php

declare(strict_types=1);


/**
 * Circles - Bring cloud-users closer together.
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Maxence Lange <[email protected]>
 * @copyright 2021
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Circles\Service;


use daita\MySmallPhpTools\ActivityPub\Nextcloud\nc21\NC21Signature;
use daita\MySmallPhpTools\Exceptions\RequestNetworkException;
use daita\MySmallPhpTools\Exceptions\SignatoryException;
use daita\MySmallPhpTools\Model\Nextcloud\nc21\NC21Request;
use daita\MySmallPhpTools\Model\Request;
use daita\MySmallPhpTools\Model\SimpleDataStore;
use daita\MySmallPhpTools\Traits\Nextcloud\nc21\TNC21Request;
use daita\MySmallPhpTools\Traits\TStringTools;
use OC;
use OCA\Circles\Db\RemoteRequest;
use OCA\Circles\Db\RemoteWrapperRequest;
use OCA\Circles\Exceptions\FederatedEventDSyncException;
use OCA\Circles\Exceptions\FederatedEventException;
use OCA\Circles\Exceptions\FederatedItemException;
use OCA\Circles\Exceptions\InitiatorNotConfirmedException;
use OCA\Circles\Exceptions\JsonException;
use OCA\Circles\Exceptions\ModelException;
use OCA\Circles\Exceptions\OwnerNotFoundException;
use OCA\Circles\Exceptions\RemoteNotFoundException;
use OCA\Circles\Exceptions\RemoteResourceNotFoundException;
use OCA\Circles\Exceptions\UnknownRemoteException;
use OCA\Circles\IFederatedItem;
use OCA\Circles\IFederatedItemAsyncProcess;
use OCA\Circles\IFederatedItemCircleCheckNotRequired;
use OCA\Circles\IFederatedItemInitiatorCheckNotRequired;
use OCA\Circles\IFederatedItemInitiatorMustBeLocal;
use OCA\Circles\IFederatedItemMemberCheckNotRequired;
use OCA\Circles\IFederatedItemMemberEmpty;
use OCA\Circles\IFederatedItemMemberOptional;
use OCA\Circles\IFederatedItemMemberRequired;
use OCA\Circles\IFederatedItemDataRequestOnly;
use OCA\Circles\Model\Circle;
use OCA\Circles\Model\Federated\FederatedEvent;
use OCA\Circles\Model\Federated\RemoteInstance;
use OCA\Circles\Model\Federated\RemoteWrapper;
use OCA\Circles\Model\GlobalScale\GSWrapper;
use OCP\IL10N;
use ReflectionClass;
use ReflectionException;


/**
 * Class FederatedEventService
 *
 * @package OCA\Circles\Service
 */
class FederatedEventService extends NC21Signature {


	use TNC21Request;
	use TStringTools;


	/** @var IL10N */
	private $l10n;

	/** @var RemoteWrapperRequest */
	private $remoteWrapperRequest;

	/** @var RemoteRequest */
	private $remoteRequest;

	/** @var RemoteUpstreamService */
	private $remoteUpstreamService;

	/** @var ConfigService */
	private $configService;

	/** @var MiscService */
	private $miscService;


	/**
	 * FederatedEventService constructor.
	 *
	 * @param IL10N $l10n
	 * @param RemoteWrapperRequest $remoteWrapperRequest
	 * @param RemoteRequest $remoteRequest
	 * @param RemoteUpstreamService $remoteUpstreamService
	 * @param ConfigService $configService
	 */
	public function __construct(
		IL10N $l10n, RemoteWrapperRequest $remoteWrapperRequest, RemoteRequest $remoteRequest,
		RemoteUpstreamService $remoteUpstreamService, ConfigService $configService
	) {
		$this->l10n = $l10n;
		$this->remoteWrapperRequest = $remoteWrapperRequest;
		$this->remoteRequest = $remoteRequest;
		$this->remoteUpstreamService = $remoteUpstreamService;
		$this->configService = $configService;
	}


	/**
	 * Called when creating a new Event.
	 * This method will manage the event locally and upstream the payload if needed.
	 *
	 * @param FederatedEvent $event
	 *
	 * @throws InitiatorNotConfirmedException
	 * @throws OwnerNotFoundException
	 * @throws FederatedEventException
	 * @throws RequestNetworkException
	 * @throws RemoteNotFoundException
	 * @throws RemoteResourceNotFoundException
	 * @throws UnknownRemoteException
	 * @throws SignatoryException
	 * @throws FederatedItemException
	 * @throws FederatedEventDSyncException
	 */
	public function newEvent(FederatedEvent $event): ?SimpleDataStore {
		$event->setSource($this->configService->getLocalInstance());

		try {
			$federatedItem = $this->getFederatedItem($event, false);
		} catch (FederatedEventException $e) {
			$this->e($e);
			throw $e;
		}

		$this->confirmInitiator($event, true);
		if ($this->configService->isLocalInstance($event->getCircle()->getInstance())) {
			try {
				$federatedItem->verify($event);
				$reading = $event->getReadingOutcome();
				$reading->s('translated', $this->l10n->t($reading->g('message'), $reading->gArray('params')));
			} catch (FederatedItemException $e) {
				throw new FederatedItemException($this->l10n->t($e->getMessage(), $e->getParams()));
			}

			if ($event->isDataRequestOnly()) {
				return $event->getDataOutcome();
			}

			if (!$event->isAsync()) {
				$federatedItem->manage($event);
			}

			$this->initBroadcast($event);
		} else {
			$this->remoteUpstreamService->confirmEvent($event);
			if ($event->isDataRequestOnly()) {
				return $event->getDataOutcome();
			}

			if (!$event->isAsync()) {
				$federatedItem->manage($event);
			}
		}

		return $event->getOutcome();
	}


	/**
	 * This confirmation is optional, method is just here to avoid going too far away on the process
	 *
	 * @param FederatedEvent $event
	 * @param bool $local
	 *
	 * @throws InitiatorNotConfirmedException
	 */
	public function confirmInitiator(FederatedEvent $event, bool $local = false): void {
		if ($event->canBypass(FederatedEvent::BYPASS_INITIATORCHECK)) {
			return;
		}

		$circle = $event->getCircle();
		if (!$circle->hasInitiator()) {
			throw new InitiatorNotConfirmedException('Initiator does not exist');
		}

		if ($local) {
			if (!$this->configService->isLocalInstance($circle->getInitiator()->getInstance())) {
				throw new InitiatorNotConfirmedException(
					'Initiator is not from the instance at the origin of the request'
				);
			}
		} else {
			if ($circle->getInitiator()->getInstance() !== $event->getIncomingOrigin()) {
				throw new InitiatorNotConfirmedException(
					'Initiator must belong to the instance at the origin of the request'
				);
			}
		}
	}


	/**
	 * @param FederatedEvent $event
	 * @param bool $checkLocalOnly
	 *
	 * @return IFederatedItem
	 * @throws FederatedEventException
	 */
	public function getFederatedItem(FederatedEvent $event, bool $checkLocalOnly = true): IFederatedItem {
		$class = $event->getClass();
		try {
			$test = new ReflectionClass($class);
		} catch (ReflectionException $e) {
			throw new FederatedEventException('ReflectionException with ' . $class . ': ' . $e->getMessage());
		}

		if (!in_array(IFederatedItem::class, $test->getInterfaceNames())) {
			throw new FederatedEventException($class . ' does not implements IFederatedItem');
		}

		$item = OC::$server->get($class);
		if (!($item instanceof IFederatedItem)) {
			throw new FederatedEventException($class . ' not an IFederatedItem');
		}

		$this->setFederatedEventBypass($event, $item);
		$this->confirmRequiredCondition($event, $item, $checkLocalOnly);
		$this->configureEvent($event, $item);

		return $item;
	}


	/**
	 * Some event might need to bypass some checks
	 *
	 * @param FederatedEvent $event
	 * @param IFederatedItem $gs
	 */
	private function setFederatedEventBypass(FederatedEvent $event, IFederatedItem $gs) {
		if ($gs instanceof IFederatedItemCircleCheckNotRequired) {
			$event->bypass(FederatedEvent::BYPASS_LOCALCIRCLECHECK);
		}
		if ($gs instanceof IFederatedItemMemberCheckNotRequired) {
			$event->bypass(FederatedEvent::BYPASS_LOCALMEMBERCHECK);
		}
		if ($gs instanceof IFederatedItemInitiatorCheckNotRequired) {
			$event->bypass(FederatedEvent::BYPASS_INITIATORCHECK);
		}
	}

	/**
	 * Some event might require additional check
	 *
	 * @param FederatedEvent $event
	 * @param IFederatedItem $item
	 * @param bool $checkLocalOnly
	 *
	 * @throws FederatedEventException
	 */
	private function confirmRequiredCondition(
		FederatedEvent $event,
		IFederatedItem $item,
		bool $checkLocalOnly = true
	) {
		if (!$event->hasCircle()) {
			throw new FederatedEventException('FederatedEvent has no Circle linked');
		}
		if ($item instanceof IFederatedItemMemberEmpty) {
			$event->setMember(null);
		}
		if ($item instanceof IFederatedItemMemberRequired && !$event->hasMember()) {
			throw new FederatedEventException('FederatedEvent has no Member linked');
		}
		if ($event->hasMember()
			&& !($item instanceof IFederatedItemMemberRequired)
			&& !($item instanceof IFederatedItemMemberOptional)) {
			throw new FederatedEventException(
				get_class($item)
				. ' does not implements IFederatedItemMemberOptional nor IFederatedItemMemberRequired'
			);
		}
		if ($item instanceof IFederatedItemInitiatorMustBeLocal && $checkLocalOnly) {
			throw new FederatedEventException('FederatedItem must be executed locally');
		}
	}


	/**
	 * @param FederatedEvent $event
	 * @param IFederatedItem $item
	 */
	private function configureEvent(FederatedEvent $event, IFederatedItem $item) {
		if ($item instanceof IFederatedItemAsyncProcess) {
			$event->setAsync(true);
		}
		if ($item instanceof IFederatedItemDataRequestOnly) {
			$event->setDataRequestOnly(true);
		}
	}


	/**
	 * async the process, generate a local request that will be closed.
	 *
	 * @param FederatedEvent $event
	 * @param array $filter
	 */
	public function initBroadcast(FederatedEvent $event, array $filter = []): void {
		$instances = array_diff($this->getInstances($event->isAsync()), $filter);
		if (empty($instances)) {
			return;
		}

		$wrapper = new RemoteWrapper();
		$wrapper->setEvent($event);
		$wrapper->setToken($this->uuid());
		$wrapper->setCreation(time());
		$wrapper->setSeverity($event->getSeverity());

		foreach ($instances as $instance) {
			$wrapper->setInstance($instance);
			$this->remoteWrapperRequest->create($wrapper);
		}

		$request = new NC21Request('', Request::TYPE_POST);
		$this->configService->configureRequest(
			$request, 'circles.RemoteWrapper.asyncBroadcast', ['token' => $wrapper->getToken()]
		);

		$event->setWrapperToken($wrapper->getToken());

		try {
			$this->doRequest($request);
		} catch (RequestNetworkException $e) {
			$this->e($e, ['wrapper' => $wrapper]);
		}
	}


	/**
	 * @param bool $all
	 * @param Circle|null $circle
	 *
	 * @return array
	 */
	public function getInstances(bool $all = false, ?Circle $circle = null): array {
		$local = $this->configService->getLocalInstance();
		$instances = $this->remoteRequest->getOutgoingRecipient($circle);
		$instances = array_merge(
			[$local], array_map(
						function(RemoteInstance $instance): string {
							return $instance->getInstance();
						}, $instances
					)
		);

		if ($all) {
			return $instances;
		}

		return array_values(
			array_diff($instances, array_merge($this->configService->getTrustedDomains(), [$local]))
		);
	}


	/**
	 * @param array $current
	 */
	private function updateGlobalScaleInstances(array $current): void {

//		$known = $this->remoteRequest->getFromType(RemoteInstance::TYPE_GLOBAL_SCALE);
	}

	/**
	 * @return array
	 */
	private function getRemoteInstances(): array {
		return [];
	}


	/**
	 * should be used to manage results from events, like sending mails on user creation
	 *
	 * @param string $token
	 */
	public function manageResults(string $token): void {
		try {
			$wrappers = $this->remoteWrapperRequest->getByToken($token);
		} catch (JsonException | ModelException $e) {
			return;
		}

		$event = null;
		$events = [];
		foreach ($wrappers as $wrapper) {
			if ($wrapper->getStatus() !== GSWrapper::STATUS_DONE) {
				return;
			}

			$events[$wrapper->getInstance()] = $event = $wrapper->getEvent();
		}

		if ($event === null) {
			return;
		}

		try {
			$gs = $this->getFederatedItem($event, false);
			$gs->result($events);
		} catch (FederatedEventException $e) {

		}
	}

}



1			<?php
2
3			declare(strict_types=1);
4
5
6			/**
7			* Circles - Bring cloud-users closer together.
8			*
9			* This file is licensed under the Affero General Public License version 3 or
10			* later. See the COPYING file.
11			*
12			* @author Maxence Lange <[email protected]>
13			* @copyright 2021
14			* @license GNU AGPL version 3 or any later version
15			*
16			* This program is free software: you can redistribute it and/or modify
17			* it under the terms of the GNU Affero General Public License as
18			* published by the Free Software Foundation, either version 3 of the
19			* License, or (at your option) any later version.
20			*
21			* This program is distributed in the hope that it will be useful,
22			* but WITHOUT ANY WARRANTY; without even the implied warranty of
23			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24			* GNU Affero General Public License for more details.
25			*
26			* You should have received a copy of the GNU Affero General Public License
27			* along with this program. If not, see <http://www.gnu.org/licenses/>.
28			*
29			*/
30
31			namespace OCA\Circles\Service;
32
33
34			use daita\MySmallPhpTools\ActivityPub\Nextcloud\nc21\NC21Signature;
35			use daita\MySmallPhpTools\Exceptions\RequestNetworkException;
36			use daita\MySmallPhpTools\Exceptions\SignatoryException;
37			use daita\MySmallPhpTools\Model\Nextcloud\nc21\NC21Request;
38			use daita\MySmallPhpTools\Model\Request;
39			use daita\MySmallPhpTools\Model\SimpleDataStore;
40			use daita\MySmallPhpTools\Traits\Nextcloud\nc21\TNC21Request;
41			use daita\MySmallPhpTools\Traits\TStringTools;
42			use OC;
43			use OCA\Circles\Db\RemoteRequest;
44			use OCA\Circles\Db\RemoteWrapperRequest;
45			use OCA\Circles\Exceptions\FederatedEventDSyncException;
46			use OCA\Circles\Exceptions\FederatedEventException;
47			use OCA\Circles\Exceptions\FederatedItemException;
48			use OCA\Circles\Exceptions\InitiatorNotConfirmedException;
49			use OCA\Circles\Exceptions\JsonException;
50			use OCA\Circles\Exceptions\ModelException;
51			use OCA\Circles\Exceptions\OwnerNotFoundException;
52			use OCA\Circles\Exceptions\RemoteNotFoundException;
53			use OCA\Circles\Exceptions\RemoteResourceNotFoundException;
54			use OCA\Circles\Exceptions\UnknownRemoteException;
55			use OCA\Circles\IFederatedItem;
56			use OCA\Circles\IFederatedItemAsyncProcess;
57			use OCA\Circles\IFederatedItemCircleCheckNotRequired;
58			use OCA\Circles\IFederatedItemInitiatorCheckNotRequired;
59			use OCA\Circles\IFederatedItemInitiatorMustBeLocal;
60			use OCA\Circles\IFederatedItemMemberCheckNotRequired;
61			use OCA\Circles\IFederatedItemMemberEmpty;
62			use OCA\Circles\IFederatedItemMemberOptional;
63			use OCA\Circles\IFederatedItemMemberRequired;
64			use OCA\Circles\IFederatedItemDataRequestOnly;
65			use OCA\Circles\Model\Circle;
66			use OCA\Circles\Model\Federated\FederatedEvent;
67			use OCA\Circles\Model\Federated\RemoteInstance;
68			use OCA\Circles\Model\Federated\RemoteWrapper;
69			use OCA\Circles\Model\GlobalScale\GSWrapper;
70			use OCP\IL10N;
71			use ReflectionClass;
72			use ReflectionException;
73
74
75			/**
76			* Class FederatedEventService
77			*
78			* @package OCA\Circles\Service
79			*/
80			class FederatedEventService extends NC21Signature {
81
82
83			use TNC21Request;
84			use TStringTools;
85
86
87			/** @var IL10N */
88			private $l10n;
89
90			/** @var RemoteWrapperRequest */
91			private $remoteWrapperRequest;
92
93			/** @var RemoteRequest */
94			private $remoteRequest;
95
96			/** @var RemoteUpstreamService */
97			private $remoteUpstreamService;
98
99			/** @var ConfigService */
100			private $configService;
101
102			/** @var MiscService */
103			private $miscService;
104
105
106			/**
107			* FederatedEventService constructor.
108			*
109			* @param IL10N $l10n
110			* @param RemoteWrapperRequest $remoteWrapperRequest
111			* @param RemoteRequest $remoteRequest
112			* @param RemoteUpstreamService $remoteUpstreamService
113			* @param ConfigService $configService
114			*/
115			public function __construct(
116			IL10N $l10n, RemoteWrapperRequest $remoteWrapperRequest, RemoteRequest $remoteRequest,
117			RemoteUpstreamService $remoteUpstreamService, ConfigService $configService
118			) {
119			$this->l10n = $l10n;
120			$this->remoteWrapperRequest = $remoteWrapperRequest;
121			$this->remoteRequest = $remoteRequest;
122			$this->remoteUpstreamService = $remoteUpstreamService;
123			$this->configService = $configService;
124			}
125
126
127			/**
128			* Called when creating a new Event.
129			* This method will manage the event locally and upstream the payload if needed.
130			*
131			* @param FederatedEvent $event
132			*
133			* @throws InitiatorNotConfirmedException
134			* @throws OwnerNotFoundException
135			* @throws FederatedEventException
136			* @throws RequestNetworkException
137			* @throws RemoteNotFoundException
138			* @throws RemoteResourceNotFoundException
139			* @throws UnknownRemoteException
140			* @throws SignatoryException
141			* @throws FederatedItemException
142			* @throws FederatedEventDSyncException
143			*/
144			public function newEvent(FederatedEvent $event): ?SimpleDataStore {
145			$event->setSource($this->configService->getLocalInstance());
146
147			try {
148			$federatedItem = $this->getFederatedItem($event, false);
149			} catch (FederatedEventException $e) {
150			$this->e($e);
151			throw $e;
152			}
153
154			$this->confirmInitiator($event, true);
155			if ($this->configService->isLocalInstance($event->getCircle()->getInstance())) {
156			try {
157			$federatedItem->verify($event);
158			$reading = $event->getReadingOutcome();
159			$reading->s('translated', $this->l10n->t($reading->g('message'), $reading->gArray('params')));
160			} catch (FederatedItemException $e) {
161			throw new FederatedItemException($this->l10n->t($e->getMessage(), $e->getParams()));
162			}
163
164			if ($event->isDataRequestOnly()) {
165			return $event->getDataOutcome();
166			}
167
168			if (!$event->isAsync()) {
169			$federatedItem->manage($event);
170			}
171
172			$this->initBroadcast($event);
173			} else {
174			$this->remoteUpstreamService->confirmEvent($event);
175			if ($event->isDataRequestOnly()) {
176			return $event->getDataOutcome();
177			}
178
179			if (!$event->isAsync()) {
180			$federatedItem->manage($event);
181			}
182			}
183
184			return $event->getOutcome();
185			}
186
187
188			/**
189			* This confirmation is optional, method is just here to avoid going too far away on the process
190			*
191			* @param FederatedEvent $event
192			* @param bool $local
193			*
194			* @throws InitiatorNotConfirmedException
195			*/
196			public function confirmInitiator(FederatedEvent $event, bool $local = false): void {
197			if ($event->canBypass(FederatedEvent::BYPASS_INITIATORCHECK)) {
198			return;
199			}
200
201			$circle = $event->getCircle();
202			if (!$circle->hasInitiator()) {
203			throw new InitiatorNotConfirmedException('Initiator does not exist');
204			}
205
206			if ($local) {
207			if (!$this->configService->isLocalInstance($circle->getInitiator()->getInstance())) {
208			throw new InitiatorNotConfirmedException(
209			'Initiator is not from the instance at the origin of the request'
210			);
211			}
212			} else {
213			if ($circle->getInitiator()->getInstance() !== $event->getIncomingOrigin()) {
214			throw new InitiatorNotConfirmedException(
215			'Initiator must belong to the instance at the origin of the request'
216			);
217			}
218			}
219			}
220
221
222			/**
223			* @param FederatedEvent $event
224			* @param bool $checkLocalOnly
225			*
226			* @return IFederatedItem
227			* @throws FederatedEventException
228			*/
229			public function getFederatedItem(FederatedEvent $event, bool $checkLocalOnly = true): IFederatedItem {
230			$class = $event->getClass();
231			try {
232			$test = new ReflectionClass($class);
233			} catch (ReflectionException $e) {
234			throw new FederatedEventException('ReflectionException with ' . $class . ': ' . $e->getMessage());
235			}
236
237			if (!in_array(IFederatedItem::class, $test->getInterfaceNames())) {
238			throw new FederatedEventException($class . ' does not implements IFederatedItem');
239			}
240
241			$item = OC::$server->get($class);
242			if (!($item instanceof IFederatedItem)) {
243			throw new FederatedEventException($class . ' not an IFederatedItem');
244			}
245
246			$this->setFederatedEventBypass($event, $item);
247			$this->confirmRequiredCondition($event, $item, $checkLocalOnly);
248			$this->configureEvent($event, $item);
249
250			return $item;
251			}
252
253
254			/**
255			* Some event might need to bypass some checks
256			*
257			* @param FederatedEvent $event
258			* @param IFederatedItem $gs
259			*/
260			private function setFederatedEventBypass(FederatedEvent $event, IFederatedItem $gs) {
261			if ($gs instanceof IFederatedItemCircleCheckNotRequired) {
262			$event->bypass(FederatedEvent::BYPASS_LOCALCIRCLECHECK);
263			}
264			if ($gs instanceof IFederatedItemMemberCheckNotRequired) {
265			$event->bypass(FederatedEvent::BYPASS_LOCALMEMBERCHECK);
266			}
267			if ($gs instanceof IFederatedItemInitiatorCheckNotRequired) {
268			$event->bypass(FederatedEvent::BYPASS_INITIATORCHECK);
269			}
270			}
271
272			/**
273			* Some event might require additional check
274			*
275			* @param FederatedEvent $event
276			* @param IFederatedItem $item
277			* @param bool $checkLocalOnly
278			*
279			* @throws FederatedEventException
280			*/
281			private function confirmRequiredCondition(
282			FederatedEvent $event,
283			IFederatedItem $item,
284			bool $checkLocalOnly = true
285			) {
286			if (!$event->hasCircle()) {
287			throw new FederatedEventException('FederatedEvent has no Circle linked');
288			}
289			if ($item instanceof IFederatedItemMemberEmpty) {
290			$event->setMember(null);
291			}
292			if ($item instanceof IFederatedItemMemberRequired && !$event->hasMember()) {
293			throw new FederatedEventException('FederatedEvent has no Member linked');
294			}
295			if ($event->hasMember()
296			&& !($item instanceof IFederatedItemMemberRequired)
297			&& !($item instanceof IFederatedItemMemberOptional)) {
298			throw new FederatedEventException(
299			get_class($item)
300			. ' does not implements IFederatedItemMemberOptional nor IFederatedItemMemberRequired'
301			);
302			}
303			if ($item instanceof IFederatedItemInitiatorMustBeLocal && $checkLocalOnly) {
304			throw new FederatedEventException('FederatedItem must be executed locally');
305			}
306			}
307
308
309			/**
310			* @param FederatedEvent $event
311			* @param IFederatedItem $item
312			*/
313			private function configureEvent(FederatedEvent $event, IFederatedItem $item) {
314			if ($item instanceof IFederatedItemAsyncProcess) {
315			$event->setAsync(true);
316			}
317			if ($item instanceof IFederatedItemDataRequestOnly) {
318			$event->setDataRequestOnly(true);
319			}
320			}
321
322
323			/**
324			* async the process, generate a local request that will be closed.
325			*
326			* @param FederatedEvent $event
327			* @param array $filter
328			*/
329			public function initBroadcast(FederatedEvent $event, array $filter = []): void {
330			$instances = array_diff($this->getInstances($event->isAsync()), $filter);
331			if (empty($instances)) {
332			return;
333			}
334
335			$wrapper = new RemoteWrapper();
336			$wrapper->setEvent($event);
337			$wrapper->setToken($this->uuid());
338			$wrapper->setCreation(time());
339			$wrapper->setSeverity($event->getSeverity());
340
341			foreach ($instances as $instance) {
342			$wrapper->setInstance($instance);
343			$this->remoteWrapperRequest->create($wrapper);
344			}
345
346			$request = new NC21Request('', Request::TYPE_POST);
347			$this->configService->configureRequest(
348			$request, 'circles.RemoteWrapper.asyncBroadcast', ['token' => $wrapper->getToken()]
349			);
350
351			$event->setWrapperToken($wrapper->getToken());
352
353			try {
354			$this->doRequest($request);
355			} catch (RequestNetworkException $e) {
356			$this->e($e, ['wrapper' => $wrapper]);
357			}
358			}
359
360
361			/**
362			* @param bool $all
363			* @param Circle\|null $circle
364			*
365			* @return array
366			*/
367			public function getInstances(bool $all = false, ?Circle $circle = null): array {
368			$local = $this->configService->getLocalInstance();
369			$instances = $this->remoteRequest->getOutgoingRecipient($circle);
370			$instances = array_merge(
371			[$local], array_map(
372			function(RemoteInstance $instance): string {
373			return $instance->getInstance();
374			}, $instances
375			)
376			);
377
378			if ($all) {
379			return $instances;
380			}
381
382			return array_values(
383			array_diff($instances, array_merge($this->configService->getTrustedDomains(), [$local]))
384			);
385			}
386
387
388			/**
389			* @param array $current
390			*/
391			private function updateGlobalScaleInstances(array $current): void {
			0 ignored issues – show Unused Code introduced 2021-01-29 12:47 UTC by Report Bug Copy Issue Report The parameter `$current` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
392			// $known = $this->remoteRequest->getFromType(RemoteInstance::TYPE_GLOBAL_SCALE);
393			}
394
395			/**
396			* @return array
397			*/
398			private function getRemoteInstances(): array {
399			return [];
400			}
401
402
403			/**
404			* should be used to manage results from events, like sending mails on user creation
405			*
406			* @param string $token
407			*/
408			public function manageResults(string $token): void {
409			try {
410			$wrappers = $this->remoteWrapperRequest->getByToken($token);
411			} catch (JsonException \| ModelException $e) {
412			return;
413			}
414
415			$event = null;
416			$events = [];
417			foreach ($wrappers as $wrapper) {
418			if ($wrapper->getStatus() !== GSWrapper::STATUS_DONE) {
419			return;
420			}
421
422			$events[$wrapper->getInstance()] = $event = $wrapper->getEvent();
423			}
424
425			if ($event === null) {
426			return;
427			}
428
429			try {
430			$gs = $this->getFederatedItem($event, false);
431			$gs->result($events);
432			} catch (FederatedEventException $e) {
			0 ignored issues – show Coding Style Comprehensibility introduced 2021-02-11 13:42 UTC by Report Bug Copy Issue Report Consider adding a comment why this CATCH block is empty. Loading history...
433			}
434			}
435
436			}
437
438

nextcloud / circles

Pull Request — master (#551)

FederatedEventService::newEvent() B

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