Notifications::tryHttpPostToShareEndpoint() - Code Metrics - Inspection of "Merge pull request #9345 from nextcloud/federation..." - nextcloud/server - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8b683f...7025f1 )

by Morris

created 2018-07-03 21:13 UTC

Notifications::tryHttpPostToShareEndpoint() A

↳ Parent: Notifications

Complexity

Conditions	3
Paths	4

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
nc	4
nop	4
dl	0
loc	22
rs	9.568
c	0
b	0
f	0

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Bjoern Schiessle <[email protected]>
 * @author Björn Schießle <[email protected]>
 * @author Lukas Reschke <[email protected]>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */


namespace OCA\FederatedFileSharing;

use OCP\AppFramework\Http;
use OCP\BackgroundJob\IJobList;
use OCP\Federation\ICloudFederationFactory;
use OCP\Federation\ICloudFederationProviderManager;
use OCP\Http\Client\IClientService;
use OCP\OCS\IDiscoveryService;

class Notifications {
	const RESPONSE_FORMAT = 'json'; // default response format for ocs calls

	/** @var AddressHandler */
	private $addressHandler;

	/** @var IClientService */
	private $httpClientService;

	/** @var IDiscoveryService */
	private $discoveryService;

	/** @var IJobList  */
	private $jobList;

	/** @var ICloudFederationProviderManager */
	private $federationProviderManager;

	/** @var ICloudFederationFactory */
	private $cloudFederationFactory;

	/**
	 * @param AddressHandler $addressHandler
	 * @param IClientService $httpClientService
	 * @param IDiscoveryService $discoveryService
	 * @param IJobList $jobList
	 * @param ICloudFederationProviderManager $federationProviderManager
	 * @param ICloudFederationFactory $cloudFederationFactory
	 */
	public function __construct(
		AddressHandler $addressHandler,
		IClientService $httpClientService,
		IDiscoveryService $discoveryService,
		IJobList $jobList,
		ICloudFederationProviderManager $federationProviderManager,
		ICloudFederationFactory $cloudFederationFactory
	) {
		$this->addressHandler = $addressHandler;
		$this->httpClientService = $httpClientService;
		$this->discoveryService = $discoveryService;
		$this->jobList = $jobList;
		$this->federationProviderManager = $federationProviderManager;
		$this->cloudFederationFactory = $cloudFederationFactory;
	}

	/**
	 * send server-to-server share to remote server
	 *
	 * @param string $token
	 * @param string $shareWith
	 * @param string $name
	 * @param int $remote_id
	 * @param string $owner
	 * @param string $ownerFederatedId
	 * @param string $sharedBy
	 * @param string $sharedByFederatedId
	 * @return bool
	 * @throws \OC\HintException
	 * @throws \OC\ServerNotAvailableException
	 */
	public function sendRemoteShare($token, $shareWith, $name, $remote_id, $owner, $ownerFederatedId, $sharedBy, $sharedByFederatedId) {

		list($user, $remote) = $this->addressHandler->splitUserRemote($shareWith);

		if ($user && $remote) {
			$local = $this->addressHandler->generateRemoteURL();

			$fields = array(
				'shareWith' => $user,
				'token' => $token,
				'name' => $name,
				'remoteId' => $remote_id,
				'owner' => $owner,
				'ownerFederatedId' => $ownerFederatedId,
				'sharedBy' => $sharedBy,
				'sharedByFederatedId' => $sharedByFederatedId,
				'remote' => $local,
			);

			$result = $this->tryHttpPostToShareEndpoint($remote, '', $fields);
			$status = json_decode($result['result'], true);

			$ocsStatus = isset($status['ocs']);
			$ocsSuccess = $ocsStatus && ($status['ocs']['meta']['statuscode'] === 100 || $status['ocs']['meta']['statuscode'] === 200);

			if ($result['success'] && (!$ocsStatus ||$ocsSuccess)) {
				\OC_Hook::emit('OCP\Share', 'federated_share_added', ['server' => $remote]);
				return true;
			}

		}

		return false;
	}

	/**
	 * ask owner to re-share the file with the given user
	 *
	 * @param string $token
	 * @param int $id remote Id
	 * @param int $shareId internal share Id
	 * @param string $remote remote address of the owner
	 * @param string $shareWith
	 * @param int $permission
	 * @param string $filename
	 * @return bool
	 * @throws \OC\HintException
	 * @throws \OC\ServerNotAvailableException
	 */
	public function requestReShare($token, $id, $shareId, $remote, $shareWith, $permission, $filename) {

		$fields = array(
			'shareWith' => $shareWith,
			'token' => $token,
			'permission' => $permission,
			'remoteId' => $shareId,
		);

		$ocmFields = $fields;
		$ocmFields['remoteId'] = $id;
		$ocmFields['localId'] = $shareId;
		$ocmFields['name'] = $filename;

		$ocmResult = $this->tryOCMEndPoint($remote, $ocmFields, 'reshare');
		if (is_array($ocmResult) && isset($ocmResult['token']) && isset($ocmResult['providerId'])) {
			return [$ocmResult['token'], $ocmResult['providerId']];
		}

		$result = $this->tryLegacyEndPoint(rtrim($remote, '/'), '/' . $id . '/reshare', $fields);
		$status = json_decode($result['result'], true);

		$httpRequestSuccessful = $result['success'];
		$ocsCallSuccessful = $status['ocs']['meta']['statuscode'] === 100 || $status['ocs']['meta']['statuscode'] === 200;
		$validToken = isset($status['ocs']['data']['token']) && is_string($status['ocs']['data']['token']);
		$validRemoteId = isset($status['ocs']['data']['remoteId']);

		if ($httpRequestSuccessful && $ocsCallSuccessful && $validToken && $validRemoteId) {
			return [
				$status['ocs']['data']['token'],
				(int)$status['ocs']['data']['remoteId']
			];
		}

		return false;
	}

	/**
	 * send server-to-server unshare to remote server
	 *
	 * @param string $remote url
	 * @param int $id share id
	 * @param string $token
	 * @return bool
	 */
	public function sendRemoteUnShare($remote, $id, $token) {
		$this->sendUpdateToRemote($remote, $id, $token, 'unshare');
	}

	/**
	 * send server-to-server unshare to remote server
	 *
	 * @param string $remote url
	 * @param int $id share id
	 * @param string $token
	 * @return bool
	 */
	public function sendRevokeShare($remote, $id, $token) {
		$this->sendUpdateToRemote($remote, $id, $token, 'reshare_undo');
	}

	/**
	 * send notification to remote server if the permissions was changed
	 *
	 * @param string $remote
	 * @param int $remoteId
	 * @param string $token
	 * @param int $permissions
	 * @return bool
	 */
	public function sendPermissionChange($remote, $remoteId, $token, $permissions) {
		$this->sendUpdateToRemote($remote, $remoteId, $token, 'permissions', ['permissions' => $permissions]);
	}

	/**
	 * forward accept reShare to remote server
	 *
	 * @param string $remote
	 * @param int $remoteId
	 * @param string $token
	 */
	public function sendAcceptShare($remote, $remoteId, $token) {
		$this->sendUpdateToRemote($remote, $remoteId, $token, 'accept');
	}

	/**
	 * forward decline reShare to remote server
	 *
	 * @param string $remote
	 * @param int $remoteId
	 * @param string $token
	 */
	public function sendDeclineShare($remote, $remoteId, $token) {
		$this->sendUpdateToRemote($remote, $remoteId, $token, 'decline');
	}

	/**
	 * inform remote server whether server-to-server share was accepted/declined
	 *
	 * @param string $remote
	 * @param string $token
	 * @param int $remoteId Share id on the remote host
	 * @param string $action possible actions: accept, decline, unshare, revoke, permissions
	 * @param array $data
	 * @param int $try
	 * @return boolean
	 */
	public function sendUpdateToRemote($remote, $remoteId, $token, $action, $data = [], $try = 0) {

		$fields = [
			'token' => $token,
			'remoteId' => $remoteId
			];
		foreach ($data as $key => $value) {
			$fields[$key] = $value;
		}

		$result = $this->tryHttpPostToShareEndpoint(rtrim($remote, '/'), '/' . $remoteId . '/' . $action, $fields, $action);
		$status = json_decode($result['result'], true);

		if ($result['success'] &&
			($status['ocs']['meta']['statuscode'] === 100 ||
				$status['ocs']['meta']['statuscode'] === 200
			)
		) {
			return true;
		} elseif ($try === 0) {
			// only add new job on first try
			$this->jobList->add('OCA\FederatedFileSharing\BackgroundJob\RetryJob',
				[
					'remote' => $remote,
					'remoteId' => $remoteId,
					'token' => $token,
					'action' => $action,
					'data' => json_encode($data),
					'try' => $try,
					'lastRun' => $this->getTimestamp()
				]
			);
		}

		return false;
	}


	/**
	 * return current timestamp
	 *
	 * @return int
	 */
	protected function getTimestamp() {
		return time();
	}

	/**
	 * try http post with the given protocol, if no protocol is given we pick
	 * the secure one (https)
	 *
	 * @param string $remoteDomain
	 * @param string $urlSuffix
	 * @param array $fields post parameters
	 * @param string $action define the action (possible values: share, reshare, accept, decline, unshare, revoke, permissions)
	 * @return array
	 * @throws \Exception
	 */
	protected function tryHttpPostToShareEndpoint($remoteDomain, $urlSuffix, array $fields, $action="share") {

		if ($this->addressHandler->urlContainProtocol($remoteDomain) === false) {
			$remoteDomain = 'https://' . $remoteDomain;
		}

		$result = [
			'success' => false,
			'result' => '',
		];

		// if possible we use the new OCM API
		$ocmResult = $this->tryOCMEndPoint($remoteDomain, $fields, $action);
		if (is_array($ocmResult)) {
			$result['success'] = true;
			$result['result'] = json_encode([
				'ocs' => ['meta' => ['statuscode' => 200]]]);
			return $result;
		}

		return $this->tryLegacyEndPoint($remoteDomain, $urlSuffix, $fields);
	}

	/**
	 * try old federated sharing API if the OCM api doesn't work
	 *
	 * @param $remoteDomain
	 * @param $urlSuffix
	 * @param array $fields
	 * @return mixed
	 * @throws \Exception
	 */
	protected function tryLegacyEndPoint($remoteDomain, $urlSuffix, array $fields) {

		$result = [
			'success' => false,
			'result' => '',
		];

		// Fall back to old API
		$client = $this->httpClientService->newClient();
		$federationEndpoints = $this->discoveryService->discover($remoteDomain, 'FEDERATED_SHARING');
		$endpoint = isset($federationEndpoints['share']) ? $federationEndpoints['share'] : '/ocs/v2.php/cloud/shares';
		try {
			$response = $client->post($remoteDomain . $endpoint . $urlSuffix . '?format=' . self::RESPONSE_FORMAT, [
				'body' => $fields,
				'timeout' => 10,
				'connect_timeout' => 10,
			]);
			$result['result'] = $response->getBody();
			$result['success'] = true;
		} catch (\Exception $e) {
			// if flat re-sharing is not supported by the remote server
			// we re-throw the exception and fall back to the old behaviour.
			// (flat re-shares has been introduced in Nextcloud 9.1)
			if ($e->getCode() === Http::STATUS_INTERNAL_SERVER_ERROR) {
				throw $e;
			}
		}

		return $result;

	}

	/**
	 * send action regarding federated sharing to the remote server using the OCM API
	 *
	 * @param $remoteDomain
	 * @param $fields
	 * @param $action
	 *
	 * @return bool
	 */
	protected function tryOCMEndPoint($remoteDomain, $fields, $action) {
		switch ($action) {
			case 'share':
				$share = $this->cloudFederationFactory->getCloudFederationShare(
					$fields['shareWith'] . '@' . $remoteDomain,
					$fields['name'],
					'',
					$fields['remoteId'],
					$fields['ownerFederatedId'],
					$fields['owner'],
					$fields['sharedByFederatedId'],
					$fields['sharedBy'],
					$fields['token'],
					'user',
					'file'
				);
				return $this->federationProviderManager->sendShare($share);
			case 'reshare':
				// ask owner to reshare a file
				$notification = $this->cloudFederationFactory->getCloudFederationNotification();
				$notification->setMessage('REQUEST_RESHARE',
					'file',
					$fields['remoteId'],
					[
						'sharedSecret' => $fields['token'],
						'shareWith' => $fields['shareWith'],
						'senderId' => $fields['localId'],
						'message' => 'Ask owner to reshare the file'
					]
				);
				return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
			case 'unshare':
				//owner unshares the file from the recipient again
				$notification = $this->cloudFederationFactory->getCloudFederationNotification();
				$notification->setMessage('SHARE_UNSHARED',
					'file',
					$fields['remoteId'],
					[
						'sharedSecret' => $fields['token'],
						'messgage' => 'file is no longer shared with you'
					]
				);
				return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
			case 'reshare_undo':
				// if a reshare was unshared we send the information to the initiator/owner
				$notification = $this->cloudFederationFactory->getCloudFederationNotification();
				$notification->setMessage('RESHARE_UNDO',
					'file',
					$fields['remoteId'],
					[
						'sharedSecret' => $fields['token'],
						'message' => 'reshare was revoked'
					]
				);
				return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
		}

		return false;

	}
}


1		<?php
2		/**
3		* @copyright Copyright (c) 2016, ownCloud, Inc.
4		*
5		* @author Bjoern Schiessle <[email protected]>
6		* @author Björn Schießle <[email protected]>
7		* @author Lukas Reschke <[email protected]>
8		*
9		* @license AGPL-3.0
10		*
11		* This code is free software: you can redistribute it and/or modify
12		* it under the terms of the GNU Affero General Public License, version 3,
13		* as published by the Free Software Foundation.
14		*
15		* This program is distributed in the hope that it will be useful,
16		* but WITHOUT ANY WARRANTY; without even the implied warranty of
17		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18		* GNU Affero General Public License for more details.
19		*
20		* You should have received a copy of the GNU Affero General Public License, version 3,
21		* along with this program. If not, see <http://www.gnu.org/licenses/>
22		*
23		*/
24
25
26		namespace OCA\FederatedFileSharing;
27
28		use OCP\AppFramework\Http;
29		use OCP\BackgroundJob\IJobList;
30		use OCP\Federation\ICloudFederationFactory;
31		use OCP\Federation\ICloudFederationProviderManager;
32		use OCP\Http\Client\IClientService;
33		use OCP\OCS\IDiscoveryService;
34
35		class Notifications {
36		const RESPONSE_FORMAT = 'json'; // default response format for ocs calls
37
38		/** @var AddressHandler */
39		private $addressHandler;
40
41		/** @var IClientService */
42		private $httpClientService;
43
44		/** @var IDiscoveryService */
45		private $discoveryService;
46
47		/** @var IJobList */
48		private $jobList;
49
50		/** @var ICloudFederationProviderManager */
51		private $federationProviderManager;
52
53		/** @var ICloudFederationFactory */
54		private $cloudFederationFactory;
55
56		/**
57		* @param AddressHandler $addressHandler
58		* @param IClientService $httpClientService
59		* @param IDiscoveryService $discoveryService
60		* @param IJobList $jobList
61		* @param ICloudFederationProviderManager $federationProviderManager
62		* @param ICloudFederationFactory $cloudFederationFactory
63		*/
64		public function __construct(
65		AddressHandler $addressHandler,
66		IClientService $httpClientService,
67		IDiscoveryService $discoveryService,
68		IJobList $jobList,
69		ICloudFederationProviderManager $federationProviderManager,
70		ICloudFederationFactory $cloudFederationFactory
71		) {
72		$this->addressHandler = $addressHandler;
73		$this->httpClientService = $httpClientService;
74		$this->discoveryService = $discoveryService;
75		$this->jobList = $jobList;
76		$this->federationProviderManager = $federationProviderManager;
77		$this->cloudFederationFactory = $cloudFederationFactory;
78		}
79
80		/**
81		* send server-to-server share to remote server
82		*
83		* @param string $token
84		* @param string $shareWith
85		* @param string $name
86		* @param int $remote_id
87		* @param string $owner
88		* @param string $ownerFederatedId
89		* @param string $sharedBy
90		* @param string $sharedByFederatedId
91		* @return bool
92		* @throws \OC\HintException
93		* @throws \OC\ServerNotAvailableException
94		*/
95		public function sendRemoteShare($token, $shareWith, $name, $remote_id, $owner, $ownerFederatedId, $sharedBy, $sharedByFederatedId) {
96
97		list($user, $remote) = $this->addressHandler->splitUserRemote($shareWith);
98
99		if ($user && $remote) {
100		$local = $this->addressHandler->generateRemoteURL();
101
102		$fields = array(
103		'shareWith' => $user,
104		'token' => $token,
105		'name' => $name,
106		'remoteId' => $remote_id,
107		'owner' => $owner,
108		'ownerFederatedId' => $ownerFederatedId,
109		'sharedBy' => $sharedBy,
110		'sharedByFederatedId' => $sharedByFederatedId,
111		'remote' => $local,
112		);
113
114		$result = $this->tryHttpPostToShareEndpoint($remote, '', $fields);
115		$status = json_decode($result['result'], true);
116
117		$ocsStatus = isset($status['ocs']);
118		$ocsSuccess = $ocsStatus && ($status['ocs']['meta']['statuscode'] === 100 \|\| $status['ocs']['meta']['statuscode'] === 200);
119
120		if ($result['success'] && (!$ocsStatus \|\|$ocsSuccess)) {
121		\OC_Hook::emit('OCP\Share', 'federated_share_added', ['server' => $remote]);
122		return true;
123		}
124
125		}
126
127		return false;
128		}
129
130		/**
131		* ask owner to re-share the file with the given user
132		*
133		* @param string $token
134		* @param int $id remote Id
135		* @param int $shareId internal share Id
136		* @param string $remote remote address of the owner
137		* @param string $shareWith
138		* @param int $permission
139		* @param string $filename
140		* @return bool
141		* @throws \OC\HintException
142		* @throws \OC\ServerNotAvailableException
143		*/
144		public function requestReShare($token, $id, $shareId, $remote, $shareWith, $permission, $filename) {
145
146		$fields = array(
147		'shareWith' => $shareWith,
148		'token' => $token,
149		'permission' => $permission,
150		'remoteId' => $shareId,
151		);
152
153		$ocmFields = $fields;
154		$ocmFields['remoteId'] = $id;
155		$ocmFields['localId'] = $shareId;
156		$ocmFields['name'] = $filename;
157
158		$ocmResult = $this->tryOCMEndPoint($remote, $ocmFields, 'reshare');
159		if (is_array($ocmResult) && isset($ocmResult['token']) && isset($ocmResult['providerId'])) {
160		return [$ocmResult['token'], $ocmResult['providerId']];
161		}
162
163		$result = $this->tryLegacyEndPoint(rtrim($remote, '/'), '/' . $id . '/reshare', $fields);
164		$status = json_decode($result['result'], true);
165
166		$httpRequestSuccessful = $result['success'];
167		$ocsCallSuccessful = $status['ocs']['meta']['statuscode'] === 100 \|\| $status['ocs']['meta']['statuscode'] === 200;
168		$validToken = isset($status['ocs']['data']['token']) && is_string($status['ocs']['data']['token']);
169		$validRemoteId = isset($status['ocs']['data']['remoteId']);
170
171		if ($httpRequestSuccessful && $ocsCallSuccessful && $validToken && $validRemoteId) {
172		return [
173		$status['ocs']['data']['token'],
174		(int)$status['ocs']['data']['remoteId']
175		];
176		}
177
178		return false;
179		}
180
181		/**
182		* send server-to-server unshare to remote server
183		*
184		* @param string $remote url
185		* @param int $id share id
186		* @param string $token
187		* @return bool
188		*/
189		public function sendRemoteUnShare($remote, $id, $token) {
190		$this->sendUpdateToRemote($remote, $id, $token, 'unshare');
191		}
192
193		/**
194		* send server-to-server unshare to remote server
195		*
196		* @param string $remote url
197		* @param int $id share id
198		* @param string $token
199		* @return bool
200		*/
201		public function sendRevokeShare($remote, $id, $token) {
202		$this->sendUpdateToRemote($remote, $id, $token, 'reshare_undo');
203		}
204
205		/**
206		* send notification to remote server if the permissions was changed
207		*
208		* @param string $remote
209		* @param int $remoteId
210		* @param string $token
211		* @param int $permissions
212		* @return bool
213		*/
214		public function sendPermissionChange($remote, $remoteId, $token, $permissions) {
215		$this->sendUpdateToRemote($remote, $remoteId, $token, 'permissions', ['permissions' => $permissions]);
216		}
217
218		/**
219		* forward accept reShare to remote server
220		*
221		* @param string $remote
222		* @param int $remoteId
223		* @param string $token
224		*/
225		public function sendAcceptShare($remote, $remoteId, $token) {
226		$this->sendUpdateToRemote($remote, $remoteId, $token, 'accept');
227		}
228
229		/**
230		* forward decline reShare to remote server
231		*
232		* @param string $remote
233		* @param int $remoteId
234		* @param string $token
235		*/
236		public function sendDeclineShare($remote, $remoteId, $token) {
237		$this->sendUpdateToRemote($remote, $remoteId, $token, 'decline');
238		}
239
240		/**
241		* inform remote server whether server-to-server share was accepted/declined
242		*
243		* @param string $remote
244		* @param string $token
245		* @param int $remoteId Share id on the remote host
246		* @param string $action possible actions: accept, decline, unshare, revoke, permissions
247		* @param array $data
248		* @param int $try
249		* @return boolean
250		*/
251		public function sendUpdateToRemote($remote, $remoteId, $token, $action, $data = [], $try = 0) {
252
253		$fields = [
254		'token' => $token,
255		'remoteId' => $remoteId
256		];
257		foreach ($data as $key => $value) {
258		$fields[$key] = $value;
259		}
260
261		$result = $this->tryHttpPostToShareEndpoint(rtrim($remote, '/'), '/' . $remoteId . '/' . $action, $fields, $action);
262		$status = json_decode($result['result'], true);
263
264		if ($result['success'] &&
265		($status['ocs']['meta']['statuscode'] === 100 \|\|
266		$status['ocs']['meta']['statuscode'] === 200
267		)
268		) {
269		return true;
270		} elseif ($try === 0) {
271		// only add new job on first try
272		$this->jobList->add('OCA\FederatedFileSharing\BackgroundJob\RetryJob',
273		[
274		'remote' => $remote,
275		'remoteId' => $remoteId,
276		'token' => $token,
277		'action' => $action,
278		'data' => json_encode($data),
279		'try' => $try,
280		'lastRun' => $this->getTimestamp()
281		]
282		);
283		}
284
285		return false;
286		}
287
288
289		/**
290		* return current timestamp
291		*
292		* @return int
293		*/
294		protected function getTimestamp() {
295		return time();
296		}
297
298		/**
299		* try http post with the given protocol, if no protocol is given we pick
300		* the secure one (https)
301		*
302		* @param string $remoteDomain
303		* @param string $urlSuffix
304		* @param array $fields post parameters
305		* @param string $action define the action (possible values: share, reshare, accept, decline, unshare, revoke, permissions)
306		* @return array
307		* @throws \Exception
308		*/
309		protected function tryHttpPostToShareEndpoint($remoteDomain, $urlSuffix, array $fields, $action="share") {
310
311		if ($this->addressHandler->urlContainProtocol($remoteDomain) === false) {
312		$remoteDomain = 'https://' . $remoteDomain;
313		}
314
315		$result = [
316		'success' => false,
317		'result' => '',
318		];
319
320		// if possible we use the new OCM API
321		$ocmResult = $this->tryOCMEndPoint($remoteDomain, $fields, $action);
322		if (is_array($ocmResult)) {
323		$result['success'] = true;
324		$result['result'] = json_encode([
325		'ocs' => ['meta' => ['statuscode' => 200]]]);
326		return $result;
327		}
328
329		return $this->tryLegacyEndPoint($remoteDomain, $urlSuffix, $fields);
330		}
331
332		/**
333		* try old federated sharing API if the OCM api doesn't work
334		*
335		* @param $remoteDomain
336		* @param $urlSuffix
337		* @param array $fields
338		* @return mixed
339		* @throws \Exception
340		*/
341		protected function tryLegacyEndPoint($remoteDomain, $urlSuffix, array $fields) {
342
343		$result = [
344		'success' => false,
345		'result' => '',
346		];
347
348		// Fall back to old API
349		$client = $this->httpClientService->newClient();
350		$federationEndpoints = $this->discoveryService->discover($remoteDomain, 'FEDERATED_SHARING');
351		$endpoint = isset($federationEndpoints['share']) ? $federationEndpoints['share'] : '/ocs/v2.php/cloud/shares';
352		try {
353		$response = $client->post($remoteDomain . $endpoint . $urlSuffix . '?format=' . self::RESPONSE_FORMAT, [
354		'body' => $fields,
355		'timeout' => 10,
356		'connect_timeout' => 10,
357		]);
358		$result['result'] = $response->getBody();
359		$result['success'] = true;
360		} catch (\Exception $e) {
361		// if flat re-sharing is not supported by the remote server
362		// we re-throw the exception and fall back to the old behaviour.
363		// (flat re-shares has been introduced in Nextcloud 9.1)
364		if ($e->getCode() === Http::STATUS_INTERNAL_SERVER_ERROR) {
365		throw $e;
366		}
367		}
368
369		return $result;
370
371		}
372
373		/**
374		* send action regarding federated sharing to the remote server using the OCM API
375		*
376		* @param $remoteDomain
377		* @param $fields
378		* @param $action
379		*
380		* @return bool
381		*/
382		protected function tryOCMEndPoint($remoteDomain, $fields, $action) {
383		switch ($action) {
384		case 'share':
385		$share = $this->cloudFederationFactory->getCloudFederationShare(
386		$fields['shareWith'] . '@' . $remoteDomain,
387		$fields['name'],
388		'',
389		$fields['remoteId'],
390		$fields['ownerFederatedId'],
391		$fields['owner'],
392		$fields['sharedByFederatedId'],
393		$fields['sharedBy'],
394		$fields['token'],
395		'user',
396		'file'
397		);
398		return $this->federationProviderManager->sendShare($share);
399		case 'reshare':
400		// ask owner to reshare a file
401		$notification = $this->cloudFederationFactory->getCloudFederationNotification();
402		$notification->setMessage('REQUEST_RESHARE',
403		'file',
404		$fields['remoteId'],
405		[
406		'sharedSecret' => $fields['token'],
407		'shareWith' => $fields['shareWith'],
408		'senderId' => $fields['localId'],
409		'message' => 'Ask owner to reshare the file'
410		]
411		);
412		return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
413	View Code Duplication	case 'unshare':
414		//owner unshares the file from the recipient again
415		$notification = $this->cloudFederationFactory->getCloudFederationNotification();
416		$notification->setMessage('SHARE_UNSHARED',
417		'file',
418		$fields['remoteId'],
419		[
420		'sharedSecret' => $fields['token'],
421		'messgage' => 'file is no longer shared with you'
422		]
423		);
424		return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
425	View Code Duplication	case 'reshare_undo':
426		// if a reshare was unshared we send the information to the initiator/owner
427		$notification = $this->cloudFederationFactory->getCloudFederationNotification();
428		$notification->setMessage('RESHARE_UNDO',
429		'file',
430		$fields['remoteId'],
431		[
432		'sharedSecret' => $fields['token'],
433		'message' => 'reshare was revoked'
434		]
435		);
436		return $this->federationProviderManager->sendNotification($remoteDomain, $notification);
437		}
438
439		return false;
440
441		}
442		}
443

nextcloud / server

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Notifications::tryHttpPostToShareEndpoint() A

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