Signed-off-by: Joas Schilling <coding@schilljs.com>pull/1733/head
Joas Schilling
9 years ago
parent
776622f3de
commit
07f6747305
@ -0,0 +1,396 @@ |
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<?php |
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/** |
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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|
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namespace OCA\DAV\CalDAV\Activity; |
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|
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|
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use OCA\DAV\CalDAV\CalDavBackend; |
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use OCA\DAV\CalDAV\Calendar; |
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use OCP\Activity\IEvent; |
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use OCP\Activity\IManager as IActivityManager; |
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use OCP\IGroup; |
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use OCP\IGroupManager; |
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use OCP\IUser; |
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use OCP\IUserSession; |
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|
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/** |
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* Class Backend |
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* |
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* @package OCA\DAV\CalDAV\Activity |
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*/ |
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class Backend { |
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|
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/** @var CalDavBackend */ |
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protected $calDavBackend; |
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|
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/** @var IActivityManager */ |
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protected $activityManager; |
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|
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/** @var IGroupManager */ |
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protected $groupManager; |
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|
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/** @var IUserSession */ |
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protected $userSession; |
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|
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/** |
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* @param CalDavBackend $calDavBackend |
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* @param IActivityManager $activityManager |
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* @param IGroupManager $groupManager |
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* @param IUserSession $userSession |
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*/ |
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public function __construct(CalDavBackend $calDavBackend, IActivityManager $activityManager, IGroupManager $groupManager, IUserSession $userSession) { |
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$this->calDavBackend = $calDavBackend; |
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$this->activityManager = $activityManager; |
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$this->groupManager = $groupManager; |
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$this->userSession = $userSession; |
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} |
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|
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/** |
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* Creates activities when a calendar was creates |
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* |
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* @param int $calendarId |
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* @param array $properties |
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*/ |
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public function addCalendar($calendarId, array $properties) { |
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$this->triggerActivity(Extension::SUBJECT_ADD, $calendarId, $properties); |
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} |
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|
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/** |
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* Creates activities when a calendar was updated |
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* |
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* @param int $calendarId |
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* @param array $properties |
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*/ |
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public function updateCalendar($calendarId, array $properties) { |
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$this->triggerActivity(Extension::SUBJECT_UPDATE, $calendarId, $properties); |
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} |
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|
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/** |
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* Creates activities when a calendar was deleted |
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* |
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* @param int $calendarId |
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*/ |
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public function deleteCalendar($calendarId) { |
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$this->triggerActivity(Extension::SUBJECT_DELETE, $calendarId); |
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} |
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|
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/** |
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* Creates activities for all related users when a calendar was touched |
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* |
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* @param string $action |
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* @param int $calendarId |
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* @param array $changedProperties |
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*/ |
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protected function triggerActivity($action, $calendarId, array $changedProperties = []) { |
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$properties = $this->calDavBackend->getCalendarById($calendarId); |
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if (!isset($properties['principaluri'])) { |
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return; |
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} |
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|
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$principal = explode('/', $properties['principaluri']); |
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$owner = $principal[2]; |
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$currentUser = $this->userSession->getUser(); |
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if ($currentUser instanceof IUser) { |
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$currentUser = $currentUser->getUID(); |
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} else { |
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$currentUser = $owner; |
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} |
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|
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$event = $this->activityManager->generateEvent(); |
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$event->setApp('dav') |
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->setObject(Extension::CALENDAR, $calendarId) |
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->setType(Extension::CALENDAR) |
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->setAuthor($currentUser); |
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|
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$changedVisibleInformation = array_intersect([ |
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'{DAV:}displayname', |
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'{http://apple.com/ns/ical/}calendar-color' |
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], array_keys($changedProperties)); |
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|
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if ($action === Extension::SUBJECT_UPDATE && empty($changedVisibleInformation)) { |
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$users = [$owner]; |
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} else { |
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$users = $this->getUsersForCalendar($calendarId); |
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$users[] = $owner; |
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} |
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foreach ($users as $user) { |
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$event->setAffectedUser($user) |
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->setSubject( |
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$user === $currentUser ? $action . '_self' : $action, |
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[ |
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$currentUser, |
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$properties['{DAV:}displayname'], |
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] |
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); |
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$this->activityManager->publish($event); |
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} |
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} |
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|
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/** |
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* Creates activities for all related users when a calendar was (un-)shared |
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* |
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* @param Calendar $calendar |
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* @param array $add |
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* @param array $remove |
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*/ |
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public function updateCalendarShares(Calendar $calendar, array $add, array $remove) { |
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$calendarId = $calendar->getResourceId(); |
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$shares = $this->calDavBackend->getShares($calendarId); |
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$properties = $this->calDavBackend->getCalendarById($calendarId); |
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$principal = explode('/', $properties['principaluri']); |
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$owner = $principal[2]; |
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$currentUser = $this->userSession->getUser(); |
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if ($currentUser instanceof IUser) { |
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$currentUser = $currentUser->getUID(); |
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} else { |
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$currentUser = $owner; |
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} |
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$event = $this->activityManager->generateEvent(); |
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$event->setApp('dav') |
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->setObject(Extension::CALENDAR, $calendarId) |
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->setType(Extension::CALENDAR) |
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->setAuthor($currentUser); |
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foreach ($remove as $principal) { |
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// principal:principals/users/test |
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$parts = explode(':', $principal, 2); |
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if ($parts[0] !== 'principal') { |
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continue; |
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} |
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$principal = explode('/', $parts[1]); |
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if ($principal[1] === 'users') { |
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$this->triggerActivityUser( |
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$principal[2], |
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$event, |
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$properties, |
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Extension::SUBJECT_UNSHARE_USER, |
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Extension::SUBJECT_DELETE . '_self' |
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); |
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if ($owner !== $principal[2]) { |
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$parameters = [ |
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$principal[2], |
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$properties['{DAV:}displayname'], |
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]; |
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if ($owner === $event->getAuthor()) { |
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$subject = Extension::SUBJECT_UNSHARE_USER . '_you'; |
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} else if ($principal[2] === $event->getAuthor()) { |
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$subject = Extension::SUBJECT_UNSHARE_USER . '_self'; |
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} else { |
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$event->setAffectedUser($event->getAuthor()) |
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->setSubject(Extension::SUBJECT_UNSHARE_USER . '_you', $parameters); |
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$this->activityManager->publish($event); |
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$subject = Extension::SUBJECT_UNSHARE_USER . '_by'; |
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$parameters[] = $event->getAuthor(); |
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} |
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$event->setAffectedUser($owner) |
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->setSubject($subject, $parameters); |
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$this->activityManager->publish($event); |
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} |
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} else if ($principal[1] === 'groups') { |
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$this->triggerActivityGroup($principal[2], $event, $properties, Extension::SUBJECT_UNSHARE_USER); |
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$parameters = [ |
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$principal[2], |
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$properties['{DAV:}displayname'], |
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]; |
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if ($owner === $event->getAuthor()) { |
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$subject = Extension::SUBJECT_UNSHARE_GROUP . '_you'; |
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} else { |
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$event->setAffectedUser($event->getAuthor()) |
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->setSubject(Extension::SUBJECT_UNSHARE_GROUP . '_you', $parameters); |
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$this->activityManager->publish($event); |
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$subject = Extension::SUBJECT_UNSHARE_GROUP . '_by'; |
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$parameters[] = $event->getAuthor(); |
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} |
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$event->setAffectedUser($owner) |
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->setSubject($subject, $parameters); |
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$this->activityManager->publish($event); |
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} |
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} |
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foreach ($add as $share) { |
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if ($this->isAlreadyShared($share['href'], $shares)) { |
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continue; |
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} |
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// principal:principals/users/test |
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$parts = explode(':', $share['href'], 2); |
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if ($parts[0] !== 'principal') { |
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continue; |
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} |
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$principal = explode('/', $parts[1]); |
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if ($principal[1] === 'users') { |
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$this->triggerActivityUser($principal[2], $event, $properties, Extension::SUBJECT_SHARE_USER); |
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if ($owner !== $principal[2]) { |
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$parameters = [ |
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$principal[2], |
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$properties['{DAV:}displayname'], |
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]; |
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if ($owner === $event->getAuthor()) { |
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$subject = Extension::SUBJECT_SHARE_USER . '_you'; |
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} else { |
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$event->setAffectedUser($event->getAuthor()) |
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->setSubject(Extension::SUBJECT_SHARE_USER . '_you', $parameters); |
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$this->activityManager->publish($event); |
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$subject = Extension::SUBJECT_SHARE_USER . '_by'; |
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$parameters[] = $event->getAuthor(); |
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} |
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$event->setAffectedUser($owner) |
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->setSubject($subject, $parameters); |
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$this->activityManager->publish($event); |
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} |
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} else if ($principal[1] === 'groups') { |
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$this->triggerActivityGroup($principal[2], $event, $properties, Extension::SUBJECT_SHARE_USER); |
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$parameters = [ |
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$principal[2], |
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$properties['{DAV:}displayname'], |
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]; |
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if ($owner === $event->getAuthor()) { |
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$subject = Extension::SUBJECT_SHARE_GROUP . '_you'; |
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} else { |
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$event->setAffectedUser($event->getAuthor()) |
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->setSubject(Extension::SUBJECT_SHARE_GROUP . '_you', $parameters); |
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$this->activityManager->publish($event); |
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$subject = Extension::SUBJECT_SHARE_GROUP . '_by'; |
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$parameters[] = $event->getAuthor(); |
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} |
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$event->setAffectedUser($owner) |
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->setSubject($subject, $parameters); |
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$this->activityManager->publish($event); |
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} |
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} |
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} |
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/** |
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* Checks if a calendar is already shared with a principal |
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* |
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* @param string $principal |
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* @param array[] $shares |
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* @return bool |
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*/ |
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protected function isAlreadyShared($principal, $shares) { |
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foreach ($shares as $share) { |
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if ($principal === $share['href']) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Creates the given activity for all members of the given group |
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* |
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* @param string $gid |
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* @param IEvent $event |
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* @param array $properties |
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* @param string $subject |
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*/ |
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protected function triggerActivityGroup($gid, IEvent $event, array $properties, $subject) { |
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$group = $this->groupManager->get($gid); |
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if ($group instanceof IGroup) { |
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foreach ($group->getUsers() as $user) { |
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// Exclude current user |
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if ($user->getUID() !== $event->getAuthor()) { |
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$this->triggerActivityUser($user->getUID(), $event, $properties, $subject); |
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} |
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} |
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} |
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} |
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/** |
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* Creates the given activity for the given user |
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* |
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* @param string $user |
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* @param IEvent $event |
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* @param array $properties |
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* @param string $subject |
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* @param string $subjectSelf |
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*/ |
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protected function triggerActivityUser($user, IEvent $event, array $properties, $subject, $subjectSelf = '') { |
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$event->setAffectedUser($user) |
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->setSubject( |
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$user === $event->getAuthor() && $subjectSelf ? $subjectSelf : $subject, |
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[ |
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$event->getAuthor(), |
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$properties['{DAV:}displayname'], |
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] |
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); |
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$this->activityManager->publish($event); |
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} |
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/** |
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* Get all users that have access to a given calendar |
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* |
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* @param int $calendarId |
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* @return string[] |
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*/ |
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protected function getUsersForCalendar($calendarId) { |
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$users = $groups = []; |
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$shares = $this->calDavBackend->getShares($calendarId); |
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foreach ($shares as $share) { |
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$prinical = explode('/', $share['{http://owncloud.org/ns}principal']); |
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if ($prinical[1] === 'users') { |
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$users[] = $prinical[2]; |
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} else if ($prinical[1] === 'groups') { |
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$groups[] = $prinical[2]; |
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} |
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} |
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if (!empty($groups)) { |
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foreach ($groups as $gid) { |
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$group = $this->groupManager->get($gid); |
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if ($group instanceof IGroup) { |
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foreach ($group->getUsers() as $user) { |
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$users[] = $user->getUID(); |
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} |
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} |
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} |
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} |
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return $users; |
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} |
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} |
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