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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bjoern Schiessle <bjoern@schiessle.org>
* @author Björn Schießle <bjoern@schiessle.org>
* @author Robin Appelman <robin@icewind.nl>
*
* @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 OC\HintException;
use OCP\Federation\ICloudIdManager;
use OCP\IL10N;
use OCP\IURLGenerator;
/**
* Class AddressHandler - parse, modify and construct federated sharing addresses
*
* @package OCA\FederatedFileSharing
*/
class AddressHandler {
/** @var IL10N */
private $l;
/** @var IURLGenerator */
private $urlGenerator;
/** @var ICloudIdManager */
private $cloudIdManager;
/**
* AddressHandler constructor.
*
* @param IURLGenerator $urlGenerator
* @param IL10N $il10n
* @param ICloudIdManager $cloudIdManager
*/
public function __construct(
IURLGenerator $urlGenerator,
IL10N $il10n,
ICloudIdManager $cloudIdManager
) {
$this->l = $il10n;
$this->urlGenerator = $urlGenerator;
$this->cloudIdManager = $cloudIdManager;
}
/**
* split user and remote from federated cloud id
*
* @param string $address federated share address
* @return array [user, remoteURL]
* @throws HintException
*/
public function splitUserRemote($address) {
try {
$cloudId = $this->cloudIdManager->resolveCloudId($address);
return [$cloudId->getUser(), $cloudId->getRemote()];
} catch (\InvalidArgumentException $e) {
$hint = $this->l->t('Invalid Federated Cloud ID');
throw new HintException('Invalid Federated Cloud ID', $hint, 0, $e);
}
}
/**
* generate remote URL part of federated ID
*
* @return string url of the current server
*/
public function generateRemoteURL() {
$url = $this->urlGenerator->getAbsoluteURL('/');
return $url;
}
/**
* check if two federated cloud IDs refer to the same user
*
* @param string $user1
* @param string $server1
* @param string $user2
* @param string $server2
* @return bool true if both users and servers are the same
*/
public function compareAddresses($user1, $server1, $user2, $server2) {
$normalizedServer1 = strtolower($this->removeProtocolFromUrl($server1));
$normalizedServer2 = strtolower($this->removeProtocolFromUrl($server2));
if (rtrim($normalizedServer1, '/') === rtrim($normalizedServer2, '/')) {
// FIXME this should be a method in the user management instead
\OCP\Util::emitHook(
'\OCA\Files_Sharing\API\Server2Server',
'preLoginNameUsedAsUserName',
array('uid' => &$user1)
);
\OCP\Util::emitHook(
'\OCA\Files_Sharing\API\Server2Server',
'preLoginNameUsedAsUserName',
array('uid' => &$user2)
);
if ($user1 === $user2) {
return true;
}
}
return false;
}
/**
* remove protocol from URL
*
* @param string $url
* @return string
*/
public function removeProtocolFromUrl($url) {
if (strpos($url, 'https://') === 0) {
return substr($url, strlen('https://'));
} else if (strpos($url, 'http://') === 0) {
return substr($url, strlen('http://'));
}
return $url;
}
/**
* check if the url contain the protocol (http or https)
*
* @param string $url
* @return bool
*/
public function urlContainProtocol($url) {
if (strpos($url, 'https://') === 0 ||
strpos($url, 'http://') === 0) {
return true;
}
return false;
}
}