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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Björn Schießle <bjoern@schiessle.org>
* @author Joas Schilling <coding@schilljs.com>
*
* @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 OC\Share\Helper;
use OCP\Contacts\IManager;
use OCP\IURLGenerator;
use OCP\L10N\IFactory;
use OCP\Notification\INotification;
use OCP\Notification\INotifier;
class Notifier implements INotifier {
/** @var IFactory */
protected $factory;
/** @var IManager */
protected $contactsManager;
/** @var IURLGenerator */
protected $url;
/** @var array */
protected $federatedContacts;
/**
* @param IFactory $factory
* @param IManager $contactsManager
* @param IURLGenerator $url
*/
public function __construct(IFactory $factory, IManager $contactsManager, IURLGenerator $url) {
$this->factory = $factory;
$this->contactsManager = $contactsManager;
$this->url = $url;
}
/**
* @param INotification $notification
* @param string $languageCode The code of the language that should be used to prepare the notification
* @return INotification
*/
public function prepare(INotification $notification, $languageCode) {
if ($notification->getApp() !== 'files_sharing') {
// Not my app => throw
throw new \InvalidArgumentException();
}
// Read the language from the notification
$l = $this->factory->get('files_sharing', $languageCode);
switch ($notification->getSubject()) {
// Deal with known subjects
case 'remote_share':
$notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'actions/share.svg')));
$params = $notification->getSubjectParameters();
if ($params[0] !== $params[1] && $params[1] !== null) {
$notification->setParsedSubject(
$l->t('You received "%3$s" as a remote share from %1$s (on behalf of %2$s)', $params)
);
$notification->setRichSubject(
$l->t('You received {share} as a remote share from {user} (on behalf of {behalf})'),
[
'share' => [
'type' => 'pending-federated-share',
'id' => $notification->getObjectId(),
'name' => $params[2],
],
'user' => $this->createRemoteUser($params[0]),
'behalf' => $this->createRemoteUser($params[1]),
]
);
} else {
$notification->setParsedSubject(
$l->t('You received "%3$s" as a remote share from %1$s', $params)
);
$notification->setRichSubject(
$l->t('You received {share} as a remote share from {user}'),
[
'share' => [
'type' => 'pending-federated-share',
'id' => $notification->getObjectId(),
'name' => $params[2],
],
'user' => $this->createRemoteUser($params[0]),
]
);
}
// Deal with the actions for a known subject
foreach ($notification->getActions() as $action) {
switch ($action->getLabel()) {
case 'accept':
$action->setParsedLabel(
(string) $l->t('Accept')
)
->setPrimary(true);
break;
case 'decline':
$action->setParsedLabel(
(string) $l->t('Decline')
);
break;
}
$notification->addParsedAction($action);
}
return $notification;
default:
// Unknown subject => Unknown notification => throw
throw new \InvalidArgumentException();
}
}
/**
* @param string $cloudId
* @return array
*/
protected function createRemoteUser($cloudId) {
$displayName = $cloudId;
try {
list($user, $server) = Helper::splitUserRemote($cloudId);
$displayName = $this->getDisplayName($user, $server);
} catch (HintException $e) {
$user = $cloudId;
$server = '';
}
return [
'type' => 'user',
'id' => $user,
'name' => $displayName,
'server' => $server,
];
}
/**
* Try to find the user in the contacts
*
* @param string $user
* @param string $server
* @return string
* @throws \OutOfBoundsException when there is no contact for the id
*/
protected function getDisplayName($user, $server) {
$server = strtolower(rtrim($server, '/'));
if (strpos($server, 'http://') === 0) {
$server = substr($server, strlen('http://'));
} else if (strpos($server, 'https://') === 0) {
$server = substr($server, strlen('https://'));
}
try {
return $this->getDisplayNameFromContact($user . '@' . $server);
} catch (\OutOfBoundsException $e) {
}
try {
$this->getDisplayNameFromContact($user . '@http://' . $server);
} catch (\OutOfBoundsException $e) {
}
try {
$this->getDisplayNameFromContact($user . '@https://' . $server);
} catch (\OutOfBoundsException $e) {
}
return $user . '@' . $server;
}
/**
* Try to find the user in the contacts
*
* @param string $federatedCloudId
* @return string
* @throws \OutOfBoundsException when there is no contact for the id
*/
protected function getDisplayNameFromContact($federatedCloudId) {
if (isset($this->federatedContacts[$federatedCloudId])) {
if ($this->federatedContacts[$federatedCloudId] !== '') {
return $this->federatedContacts[$federatedCloudId];
} else {
throw new \OutOfBoundsException('No contact found for federated cloud id');
}
}
$addressBookEntries = $this->contactsManager->search($federatedCloudId, ['CLOUD']);
foreach ($addressBookEntries as $entry) {
if (isset($entry['CLOUD'])) {
foreach ($entry['CLOUD'] as $cloudID) {
if ($cloudID === $federatedCloudId) {
$this->federatedContacts[$federatedCloudId] = $entry['FN'];
return $entry['FN'];
}
}
}
}
$this->federatedContacts[$federatedCloudId] = '';
throw new \OutOfBoundsException('No contact found for federated cloud id');
}
}
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