Notifications::sendRemoteShare() - Code Metrics - Inspection of "Federated sharing new spec" - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#32303)

by Victor

created 2018-10-11 18:01 UTC

Notifications::sendRemoteShare() A

↳ Parent: Notifications

Complexity

Conditions	5
Paths	6

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	5
nc	6
nop	6
dl	0
loc	27
rs	9.1768
c	0
b	0
f	0

<?php
/**
 * @author Björn Schießle <[email protected]>
 * @author Joas Schilling <[email protected]>
 * @author Lukas Reschke <[email protected]>
 * @author Thomas Müller <[email protected]>
 * @author Vincent Petry <[email protected]>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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 OCA\FederatedFileSharing\Ocm\NotificationManager;
use OCP\AppFramework\Http;
use OCP\BackgroundJob\IJobList;
use OCP\Http\Client\IClientService;
use OCP\IConfig;

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

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

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

	/** @var DiscoveryManager */
	private $discoveryManager;

	/** @var NotificationManager */
	private $notificationManager;

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

	/** @var IConfig */
	private $config;

	/**
	 * @param AddressHandler $addressHandler
	 * @param IClientService $httpClientService
	 * @param DiscoveryManager $discoveryManager
	 * @param IJobList $jobList
	 * @param IConfig $config
	 */
	public function __construct(
		AddressHandler $addressHandler,
		IClientService $httpClientService,
		DiscoveryManager $discoveryManager,
		NotificationManager $notificationManager,
		IJobList $jobList,
		IConfig $config
	) {
		$this->addressHandler = $addressHandler;
		$this->httpClientService = $httpClientService;
		$this->discoveryManager = $discoveryManager;
		$this->notificationManager = $notificationManager;
		$this->jobList = $jobList;
		$this->config = $config;
	}

	/**
	 * send server-to-server share to remote server
	 *
	 * @param Address $shareWithAddress
	 * @param Address $ownerAddress
	 * @param Address $sharedByAddress
	 * @param string $token
	 * @param string $name
	 * @param int $remote_id
	 *
	 * @return bool
	 *
	 * @throws \OC\HintException
	 * @throws \OC\ServerNotAvailableException
	 */
	public function sendRemoteShare(Address $shareWithAddress,
		Address $ownerAddress,
		Address $sharedByAddress,
		$token,
		$name,
		$remote_id
	) {
		$remoteShareSuccess = false;
		if ($shareWithAddress->getUserId() && $shareWithAddress->getCloudId()) {
			$remoteShareSuccess = $this->sendOcmRemoteShare(
				$shareWithAddress, $ownerAddress, $sharedByAddress, $token, $name, $remote_id
			);
			if (!$remoteShareSuccess) {
				$remoteShareSuccess = $this->sendPreOcmRemoteShare(
					$shareWithAddress, $ownerAddress, $sharedByAddress, $token, $name, $remote_id
				);
			}
		}
		if ($remoteShareSuccess) {
			\OC_Hook::emit(
				'OCP\Share',
				'federated_share_added',
				['server' => $shareWithAddress->getHostName()]
			);
		}
		return $remoteShareSuccess;
	}

	/**
	 * 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 $permission
	 * @return bool
	 * @throws \Exception
	 */
	public function requestReShare($token, $id, $shareId, $remote, $shareWith, $permission) {
		$data = [
			'shareWith' => $shareWith,
			'senderId' => $shareId
		];
		$ocmNotification = $this->notificationManager->convertToOcmFileNotification($id, $token, 'reshare', $data);
		$ocmFields = $ocmNotification->toArray();

		$url = \rtrim(
			$this->addressHandler->removeProtocolFromUrl($remote),
			'/'
		);
		$result = $this->tryHttpPostToShareEndpoint($url, '/notifications', $ocmFields, true);
		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
			$response = \json_decode($result['result'], true);
			if (\is_array($response) && isset($response['sharedSecret'], $response['providerId'])) {
				return [
					$response['sharedSecret'],
					(int) $response['providerId']
				];
			}
			return true;
		}

		$fields = [
			'shareWith' => $shareWith,
			'token' => $token,
			'permission' => $permission,
			'remoteId' => $shareId
		];

		$url = $this->addressHandler->removeProtocolFromUrl($remote);
		$result = $this->tryHttpPostToShareEndpoint(\rtrim($url, '/'), '/' . $id . '/reshare', $fields);
		$status = \json_decode($result['result'], true);

		$httpRequestSuccessful = $result['success'];
		$validToken = isset($status['ocs']['data']['token']) && \is_string($status['ocs']['data']['token']);
		$validRemoteId = isset($status['ocs']['data']['remoteId']);

		if ($httpRequestSuccessful && $this->isOcsStatusOk($status) && $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) {
		return $this->sendUpdateToRemote($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) {
		return $this->sendUpdateToRemote($remote, $id, $token, 'revoke');
	}

	/**
	 * 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) {
		return $this->sendUpdateToRemote($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 int $remoteId Share id on the remote host
	 * @param string $token
	 * @param string $action possible actions:
	 * 	                     accept, decline, unshare, revoke, permissions
	 * @param array $data
	 * @param int $try
	 *
	 * @return boolean
	 *
	 * @throws \Exception
	 */
	public function sendUpdateToRemote($remote, $remoteId, $token, $action, $data = [], $try = 0) {
		$ocmNotification = $this->notificationManager->convertToOcmFileNotification($remoteId, $token, $action, $data);
		$ocmFields = $ocmNotification->toArray();
		$url = \rtrim(
			$this->addressHandler->removeProtocolFromUrl($remote),
			'/'
		);
		$result = $this->tryHttpPostToShareEndpoint($url, '/notifications', $ocmFields, true);
		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
			return true;
		}

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

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

		if ($result['success'] && $this->isOcsStatusOk($status)) {
			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 first with https and then with http as a fallback
	 *
	 * @param string $remoteDomain
	 * @param string $urlSuffix
	 * @param array $fields post parameters
	 * @param bool $useOcm send request to OCM endpoint instead of OCS
	 *
	 * @return array
	 *
	 * @throws \Exception
	 */
	protected function tryHttpPostToShareEndpoint($remoteDomain, $urlSuffix, array $fields, $useOcm = false) {
		$client = $this->httpClientService->newClient();
		$protocol = 'https://';
		$result = [
			'success' => false,
			'result' => '',
		];
		$try = 0;

		while ($result['success'] === false && $try < 2) {
			if ($useOcm) {
				$endpoint = $this->discoveryManager->getOcmShareEndpoint($protocol . $remoteDomain);
				$endpoint .= $urlSuffix;
			} else {
				$relativePath = $this->discoveryManager->getShareEndpoint($protocol . $remoteDomain);
				$endpoint = $protocol . $remoteDomain . $relativePath . $urlSuffix . '?format=' . self::RESPONSE_FORMAT;
			}

			try {
				$response = $client->post($endpoint, [
					'body' => $fields,
					'timeout' => 10,
					'connect_timeout' => 10,
				]);
				$result['result'] = $response->getBody();
				$result['statusCode'] = $response->getStatusCode();
				$result['success'] = true;
				break;
			} catch (\Exception $e) {
				// if flat re-sharing is not supported by the remote server
				// we re-throw the exception and fall back to the old behaviour.
				// (flat re-shares has been introduced in ownCloud 9.1)
				if ($e->getCode() === Http::STATUS_INTERNAL_SERVER_ERROR) {
					throw $e;
				}
				$allowHttpFallback = $this->config->getSystemValue('sharing.federation.allowHttpFallback', false) === true;
				if (!$allowHttpFallback) {
					break;
				}
				$try++;
				$protocol = 'http://';
			}
		}

		return $result;
	}

	protected function sendOcmRemoteShare(Address $shareWithAddress, Address $ownerAddress, Address $sharedByAddress, $token, $name, $remote_id) {
		$fields = [
			'shareWith' => $shareWithAddress->getCloudId(),
			'name' => $name,
			'providerId' => $remote_id,
			'owner' => $ownerAddress->getCloudId(),
			'ownerDisplayName' => $ownerAddress->getDisplayName(),
			'sender' => $sharedByAddress->getCloudId(),
			'senderDisplayName' => $sharedByAddress->getDisplayName(),
			'shareType' => 'user',
			'resourceType' => 'file',
			'protocol' => [
				'name' => 'webdav',
				'options' => [
					'sharedSecret' => $token
				]
			]
		];

		$url = $shareWithAddress->getHostName();
		$result = $this->tryHttpPostToShareEndpoint($url, '/shares', $fields, true);

		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
			return true;
		}
		return false;
	}

	protected function sendPreOcmRemoteShare(Address $shareWithAddress, Address $ownerAddress, Address $sharedByAddress, $token, $name, $remote_id) {
		$fields = [
			'shareWith' => $shareWithAddress->getUserId(),
			'token' => $token,
			'name' => $name,
			'remoteId' => $remote_id,
			'owner' => $ownerAddress->getUserId(),
			'ownerFederatedId' => $ownerAddress->getCloudId(),
			'sharedBy' => $sharedByAddress->getUserId(),
			'sharedByFederatedId' => $sharedByAddress->getUserId(),
			'remote' => $this->addressHandler->generateRemoteURL(),
		];
		$url = $shareWithAddress->getHostName();
		$result = $this->tryHttpPostToShareEndpoint($url, '', $fields);
		$status = \json_decode($result['result'], true);

		if ($result['success'] && $this->isOcsStatusOk($status)) {
			return true;
		}
		return false;
	}

	/**
	 * Validate ocs response - 100 or 200 means success
	 *
	 * @param array $status
	 *
	 * @return bool
	 */
	private function isOcsStatusOk($status) {
		return \in_array($status['ocs']['meta']['statuscode'], [100, 200]);
	}
}


1		<?php
2		/**
3		* @author Björn Schießle <[email protected]>
4		* @author Joas Schilling <[email protected]>
5		* @author Lukas Reschke <[email protected]>
6		* @author Thomas Müller <[email protected]>
7		* @author Vincent Petry <[email protected]>
8		*
9		* @copyright Copyright (c) 2018, ownCloud GmbH
10		* @license AGPL-3.0
11		*
12		* This code is free software: you can redistribute it and/or modify
13		* it under the terms of the GNU Affero General Public License, version 3,
14		* as published by the Free Software Foundation.
15		*
16		* This program is distributed in the hope that it will be useful,
17		* but WITHOUT ANY WARRANTY; without even the implied warranty of
18		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		* GNU Affero General Public License for more details.
20		*
21		* You should have received a copy of the GNU Affero General Public License, version 3,
22		* along with this program. If not, see <http://www.gnu.org/licenses/>
23		*
24		*/
25
26		namespace OCA\FederatedFileSharing;
27
28		use OCA\FederatedFileSharing\Ocm\NotificationManager;
29		use OCP\AppFramework\Http;
30		use OCP\BackgroundJob\IJobList;
31		use OCP\Http\Client\IClientService;
32		use OCP\IConfig;
33
34		class Notifications {
35		const RESPONSE_FORMAT = 'json'; // default response format for ocs calls
36
37		/** @var AddressHandler */
38		private $addressHandler;
39
40		/** @var IClientService */
41		private $httpClientService;
42
43		/** @var DiscoveryManager */
44		private $discoveryManager;
45	1
46		/** @var NotificationManager */
47		private $notificationManager;
48
49	1	/** @var IJobList */
50	1	private $jobList;
51	1
52		/** @var IConfig */
53		private $config;
54
55		/**
56		* @param AddressHandler $addressHandler
57		* @param IClientService $httpClientService
58		* @param DiscoveryManager $discoveryManager
59		* @param IJobList $jobList
60		* @param IConfig $config
61		*/
62		public function __construct(
63		AddressHandler $addressHandler,
64		IClientService $httpClientService,
65		DiscoveryManager $discoveryManager,
66		NotificationManager $notificationManager,
67		IJobList $jobList,
68		IConfig $config
69		) {
70		$this->addressHandler = $addressHandler;
71		$this->httpClientService = $httpClientService;
72		$this->discoveryManager = $discoveryManager;
73		$this->notificationManager = $notificationManager;
74		$this->jobList = $jobList;
75		$this->config = $config;
76		}
77
78		/**
79		* send server-to-server share to remote server
80		*
81		* @param Address $shareWithAddress
82		* @param Address $ownerAddress
83		* @param Address $sharedByAddress
84		* @param string $token
85		* @param string $name
86		* @param int $remote_id
87		*
88		* @return bool
89		*
90		* @throws \OC\HintException
91		* @throws \OC\ServerNotAvailableException
92		*/
93		public function sendRemoteShare(Address $shareWithAddress,
94		Address $ownerAddress,
95		Address $sharedByAddress,
96		$token,
97		$name,
98		$remote_id
99		) {
100		$remoteShareSuccess = false;
101		if ($shareWithAddress->getUserId() && $shareWithAddress->getCloudId()) {
102		$remoteShareSuccess = $this->sendOcmRemoteShare(
103		$shareWithAddress, $ownerAddress, $sharedByAddress, $token, $name, $remote_id
104		);
105		if (!$remoteShareSuccess) {
106		$remoteShareSuccess = $this->sendPreOcmRemoteShare(
107		$shareWithAddress, $ownerAddress, $sharedByAddress, $token, $name, $remote_id
108		);
109		}
110		}
111		if ($remoteShareSuccess) {
112		\OC_Hook::emit(
113		'OCP\Share',
114		'federated_share_added',
115		['server' => $shareWithAddress->getHostName()]
116		);
117		}
118		return $remoteShareSuccess;
119		}
120
121		/**
122		* ask owner to re-share the file with the given user
123		*
124		* @param string $token
125		* @param int $id remote Id
126		* @param int $shareId internal share Id
127		* @param string $remote remote address of the owner
128		* @param string $shareWith
129		* @param int $permission
130		* @return bool
131		* @throws \Exception
132		*/
133		public function requestReShare($token, $id, $shareId, $remote, $shareWith, $permission) {
134		$data = [
135		'shareWith' => $shareWith,
136		'senderId' => $shareId
137		];
138		$ocmNotification = $this->notificationManager->convertToOcmFileNotification($id, $token, 'reshare', $data);
139		$ocmFields = $ocmNotification->toArray();
140
141		$url = \rtrim(
142		$this->addressHandler->removeProtocolFromUrl($remote),
143		'/'
144		);
145		$result = $this->tryHttpPostToShareEndpoint($url, '/notifications', $ocmFields, true);
146		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
147		$response = \json_decode($result['result'], true);
148		if (\is_array($response) && isset($response['sharedSecret'], $response['providerId'])) {
149		return [
150		$response['sharedSecret'],
151		(int) $response['providerId']
152		];
153		}
154		return true;
155		}
156
157		$fields = [
158		'shareWith' => $shareWith,
159		'token' => $token,
160		'permission' => $permission,
161		'remoteId' => $shareId
162		];
163
164		$url = $this->addressHandler->removeProtocolFromUrl($remote);
165		$result = $this->tryHttpPostToShareEndpoint(\rtrim($url, '/'), '/' . $id . '/reshare', $fields);
166		$status = \json_decode($result['result'], true);
167
168		$httpRequestSuccessful = $result['success'];
169		$validToken = isset($status['ocs']['data']['token']) && \is_string($status['ocs']['data']['token']);
170		$validRemoteId = isset($status['ocs']['data']['remoteId']);
171
172		if ($httpRequestSuccessful && $this->isOcsStatusOk($status) && $validToken && $validRemoteId) {
173		return [
174		$status['ocs']['data']['token'],
175		(int)$status['ocs']['data']['remoteId']
176		];
177		}
178
179		return false;
180		}
181
182		/**
183		* send server-to-server unshare to remote server
184		*
185		* @param string $remote url
186		* @param int $id share id
187		* @param string $token
188		* @return bool
189		*/
190		public function sendRemoteUnShare($remote, $id, $token) {
191		return $this->sendUpdateToRemote($remote, $id, $token, 'unshare');
192		}
193
194		/**
195		* send server-to-server unshare to remote server
196		*
197		* @param string $remote url
198		* @param int $id share id
199		* @param string $token
200		* @return bool
201		*/
202		public function sendRevokeShare($remote, $id, $token) {
203		return $this->sendUpdateToRemote($remote, $id, $token, 'revoke');
204		}
205
206		/**
207		* send notification to remote server if the permissions was changed
208		*
209		* @param string $remote
210		* @param int $remoteId
211		* @param string $token
212		* @param int $permissions
213		* @return bool
214		*/
215		public function sendPermissionChange($remote, $remoteId, $token, $permissions) {
216		return $this->sendUpdateToRemote($remote, $remoteId, $token, 'permissions', ['permissions' => $permissions]);
217		}
218
219		/**
220		* forward accept reShare to remote server
221		*
222		* @param string $remote
223		* @param int $remoteId
224		* @param string $token
225		*/
226		public function sendAcceptShare($remote, $remoteId, $token) {
227		$this->sendUpdateToRemote($remote, $remoteId, $token, 'accept');
228		}
229
230		/**
231		* forward decline reShare to remote server
232		*
233		* @param string $remote
234		* @param int $remoteId
235		* @param string $token
236		*/
237		public function sendDeclineShare($remote, $remoteId, $token) {
238		$this->sendUpdateToRemote($remote, $remoteId, $token, 'decline');
239		}
240
241		/**
242		* inform remote server whether server-to-server share was accepted/declined
243		*
244		* @param string $remote
245		* @param int $remoteId Share id on the remote host
246		* @param string $token
247		* @param string $action possible actions:
248		* accept, decline, unshare, revoke, permissions
249		* @param array $data
250		* @param int $try
251		*
252		* @return boolean
253		*
254		* @throws \Exception
255		*/
256		public function sendUpdateToRemote($remote, $remoteId, $token, $action, $data = [], $try = 0) {
257		$ocmNotification = $this->notificationManager->convertToOcmFileNotification($remoteId, $token, $action, $data);
258		$ocmFields = $ocmNotification->toArray();
259		$url = \rtrim(
260		$this->addressHandler->removeProtocolFromUrl($remote),
261		'/'
262		);
263		$result = $this->tryHttpPostToShareEndpoint($url, '/notifications', $ocmFields, true);
264		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
265		return true;
266		}
267
268		$fields = ['token' => $token];
269		foreach ($data as $key => $value) {
270		$fields[$key] = $value;
271		}
272
273		$url = \rtrim(
274		$this->addressHandler->removeProtocolFromUrl($remote),
275		'/'
276		);
277		$result = $this->tryHttpPostToShareEndpoint($url, '/' . $remoteId . '/' . $action, $fields);
278		$status = \json_decode($result['result'], true);
279
280		if ($result['success'] && $this->isOcsStatusOk($status)) {
281		return true;
282		} elseif ($try === 0) {
283		// only add new job on first try
284		$this->jobList->add('OCA\FederatedFileSharing\BackgroundJob\RetryJob',
285		[
286		'remote' => $remote,
287		'remoteId' => $remoteId,
288		'token' => $token,
289		'action' => $action,
290		'data' => \json_encode($data),
291		'try' => $try,
292		'lastRun' => $this->getTimestamp()
293		]
294		);
295		}
296
297		return false;
298		}
299
300		/**
301		* return current timestamp
302		*
303		* @return int
304		*/
305		protected function getTimestamp() {
306		return \time();
307		}
308
309		/**
310		* try http post first with https and then with http as a fallback
311		*
312		* @param string $remoteDomain
313		* @param string $urlSuffix
314		* @param array $fields post parameters
315		* @param bool $useOcm send request to OCM endpoint instead of OCS
316		*
317		* @return array
318		*
319		* @throws \Exception
320		*/
321		protected function tryHttpPostToShareEndpoint($remoteDomain, $urlSuffix, array $fields, $useOcm = false) {
322		$client = $this->httpClientService->newClient();
323		$protocol = 'https://';
324		$result = [
325		'success' => false,
326		'result' => '',
327		];
328		$try = 0;
329
330		while ($result['success'] === false && $try < 2) {
331		if ($useOcm) {
332		$endpoint = $this->discoveryManager->getOcmShareEndpoint($protocol . $remoteDomain);
333		$endpoint .= $urlSuffix;
334		} else {
335		$relativePath = $this->discoveryManager->getShareEndpoint($protocol . $remoteDomain);
336		$endpoint = $protocol . $remoteDomain . $relativePath . $urlSuffix . '?format=' . self::RESPONSE_FORMAT;
337		}
338
339		try {
340		$response = $client->post($endpoint, [
341		'body' => $fields,
342		'timeout' => 10,
343		'connect_timeout' => 10,
344		]);
345		$result['result'] = $response->getBody();
346		$result['statusCode'] = $response->getStatusCode();
347		$result['success'] = true;
348		break;
349		} catch (\Exception $e) {
350		// if flat re-sharing is not supported by the remote server
351		// we re-throw the exception and fall back to the old behaviour.
352		// (flat re-shares has been introduced in ownCloud 9.1)
353		if ($e->getCode() === Http::STATUS_INTERNAL_SERVER_ERROR) {
354		throw $e;
355		}
356		$allowHttpFallback = $this->config->getSystemValue('sharing.federation.allowHttpFallback', false) === true;
357		if (!$allowHttpFallback) {
358		break;
359		}
360		$try++;
361		$protocol = 'http://';
362		}
363		}
364
365		return $result;
366		}
367
368		protected function sendOcmRemoteShare(Address $shareWithAddress, Address $ownerAddress, Address $sharedByAddress, $token, $name, $remote_id) {
369		$fields = [
370		'shareWith' => $shareWithAddress->getCloudId(),
371		'name' => $name,
372		'providerId' => $remote_id,
373		'owner' => $ownerAddress->getCloudId(),
374		'ownerDisplayName' => $ownerAddress->getDisplayName(),
375		'sender' => $sharedByAddress->getCloudId(),
376		'senderDisplayName' => $sharedByAddress->getDisplayName(),
377		'shareType' => 'user',
378		'resourceType' => 'file',
379		'protocol' => [
380		'name' => 'webdav',
381		'options' => [
382		'sharedSecret' => $token
383		]
384		]
385		];
386
387		$url = $shareWithAddress->getHostName();
388		$result = $this->tryHttpPostToShareEndpoint($url, '/shares', $fields, true);
389
390		if (isset($result['statusCode']) && $result['statusCode'] === Http::STATUS_CREATED) {
391		return true;
392		}
393		return false;
394		}
395
396		protected function sendPreOcmRemoteShare(Address $shareWithAddress, Address $ownerAddress, Address $sharedByAddress, $token, $name, $remote_id) {
397		$fields = [
398		'shareWith' => $shareWithAddress->getUserId(),
399		'token' => $token,
400		'name' => $name,
401		'remoteId' => $remote_id,
402		'owner' => $ownerAddress->getUserId(),
403		'ownerFederatedId' => $ownerAddress->getCloudId(),
404		'sharedBy' => $sharedByAddress->getUserId(),
405		'sharedByFederatedId' => $sharedByAddress->getUserId(),
406		'remote' => $this->addressHandler->generateRemoteURL(),
407		];
408		$url = $shareWithAddress->getHostName();
409		$result = $this->tryHttpPostToShareEndpoint($url, '', $fields);
410		$status = \json_decode($result['result'], true);
411
412		if ($result['success'] && $this->isOcsStatusOk($status)) {
413		return true;
414		}
415		return false;
416		}
417
418		/**
419		* Validate ocs response - 100 or 200 means success
420		*
421		* @param array $status
422		*
423		* @return bool
424		*/
425		private function isOcsStatusOk($status) {
426		return \in_array($status['ocs']['meta']['statuscode'], [100, 200]);
427		}
428		}
429

owncloud / core

Pull Request — master (#32303)

Notifications::sendRemoteShare() A

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