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Tims-Chat/files/lib/data/room/RoomAction.class.php
2021-02-04 23:04:35 +01:00

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<?php
/*
* Copyright (c) 2010-2021 Tim Düsterhus.
*
* Use of this software is governed by the Business Source License
* included in the LICENSE file.
*
* Change Date: 2025-02-04
*
* On the date above, in accordance with the Business Source
* License, use of this software will be governed by version 2
* or later of the General Public License.
*/
namespace chat\data\room;
use \chat\data\user\User as ChatUser;
use \chat\data\message\MessageAction;
use \wcf\data\object\type\ObjectTypeCache;
use \wcf\system\cache\runtime\UserProfileRuntimeCache;
use \wcf\system\database\util\PreparedStatementConditionBuilder;
use \wcf\system\exception\PermissionDeniedException;
use \wcf\system\exception\UserInputException;
use \wcf\system\user\activity\point\UserActivityPointHandler;
use \wcf\system\WCF;
/**
* Executes chat room-related actions.
*/
class RoomAction extends \wcf\data\AbstractDatabaseObjectAction implements \wcf\data\ISortableAction {
/**
* @inheritDoc
*/
protected $permissionsDelete = [ 'admin.chat.canManageRoom' ];
/**
* @inheritDoc
*/
protected $permissionsUpdate = [ 'admin.chat.canManageRoom' ];
/**
* Validates parameters and permissions.
*/
public function validateJoin() {
unset($this->parameters['user']);
$this->readString('sessionID');
$this->parameters['sessionID'] = pack('H*', str_replace('-', '', $this->parameters['sessionID']));
$this->readInteger('roomID');
$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
if ($room === null) throw new UserInputException('roomID');
if (!$room->canSee($user = null, $reason)) throw $reason;
if (!$room->canJoin($user = null, $reason)) throw $reason;
}
/**
* Makes the given user join the current chat room.
*/
public function join() {
$objectTypeID = ObjectTypeCache::getInstance()->getObjectTypeIDByName('be.bastelstu.chat.messageType', 'be.bastelstu.chat.messageType.join');
if (!$objectTypeID) throw new \LogicException('Missing object type');
// User cannot be set during an AJAX request, but may be set by Tims Chat itself.
if (!isset($this->parameters['user'])) $this->parameters['user'] = WCF::getUser();
$user = new ChatUser($this->parameters['user']);
// Check parameters
$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
if ($room === null) throw new UserInputException('roomID');
$sessionID = $this->parameters['sessionID'];
if (strlen($sessionID) !== 16) throw new UserInputException('sessionID');
try {
// Create room_to_user mapping.
$sql = "INSERT INTO chat".WCF_N."_room_to_user (active, roomID, userID) VALUES (?, ?, ?)";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ 0, $room->roomID, $user->userID ]);
}
catch (\wcf\system\database\exception\DatabaseException $e) {
// Ignore if there already is a mapping.
if ((string) $e->getCode() !== '23000') throw $e;
}
try {
$sql = "INSERT INTO chat".WCF_N."_session (roomID, userID, sessionID, lastRequest) VALUES (?, ?, ?, ?)";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ $room->roomID, $user->userID, $sessionID, TIME_NOW ]);
}
catch (\wcf\system\database\exception\DatabaseException $e) {
if ((string) $e->getCode() !== '23000') throw $e;
throw new UserInputException('sessionID');
}
$markAsBack = function () use ($user, $room) {
$userProfile = new \wcf\data\user\UserProfile($user->getDecoratedObject());
$package = \wcf\data\package\PackageCache::getInstance()->getPackageByIdentifier('be.bastelstu.chat');
$command = \chat\data\command\CommandCache::getInstance()->getCommandByPackageAndIdentifier($package, 'back');
$processor = $command->getProcessor();
$processor->execute([ ], $room, $userProfile);
};
if ($user->chatAway !== null) {
$markAsBack();
}
// Attempt to mark the user as active in the room.
$sql = "UPDATE chat".WCF_N."_room_to_user SET active = ? WHERE roomID = ? AND userID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ 1, $room->roomID, $user->userID ]);
if ($statement->getAffectedRows() === 0) {
// The User already is inside the room: Nothing to do here.
return;
}
// Update lastPull. This must not be merged into the above query, because of the 'getAffectedRows' check.
$sql = "UPDATE chat".WCF_N."_room_to_user SET lastPull = ? WHERE roomID = ? AND userID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ TIME_NOW, $room->roomID, $user->userID ]);
(new MessageAction([ ], 'create', [ 'data' => [ 'roomID' => $room->roomID
, 'userID' => $user->userID
, 'username' => $user->username
, 'time' => TIME_NOW
, 'objectTypeID' => $objectTypeID
, 'payload' => serialize([ ])
]
]
)
)->executeAction();
UserActivityPointHandler::getInstance()->fireEvent('be.bastelstu.chat.activityPointEvent.join', 0, $user->userID);
$pushHandler = \wcf\system\push\PushHandler::getInstance();
$pushHandler->sendMessage([ 'message' => 'be.bastelstu.chat.join'
, 'target' => 'registered'
]);
}
/**
* Validates parameters and permissions.
*/
public function validateLeave() {
unset($this->parameters['user']);
$this->readString('sessionID');
$this->parameters['sessionID'] = pack('H*', str_replace('-', '', $this->parameters['sessionID']));
$this->readInteger('roomID');
$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
if ($room === null) throw new UserInputException('roomID');
// Do not check permissions: If the user is not inside the room nothing happens, if he is it
// may lead to a faster eviction of the user.
}
/**
* Makes the given user leave the current chat room.
*/
public function leave() {
$objectTypeID = ObjectTypeCache::getInstance()->getObjectTypeIDByName('be.bastelstu.chat.messageType', 'be.bastelstu.chat.messageType.leave');
if ($objectTypeID) {
// User cannot be set during an AJAX request, but may be set by Tims Chat itself.
if (!isset($this->parameters['user'])) $this->parameters['user'] = WCF::getUser();
$user = new ChatUser($this->parameters['user']);
$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
if ($room === null) throw new UserInputException('roomID');
$sessionID = null;
if (isset($this->parameters['sessionID'])) {
$sessionID = $this->parameters['sessionID'];
if (strlen($sessionID) !== 16) throw new UserInputException('sessionID');
}
// Delete session.
$condition = new \wcf\system\database\util\PreparedStatementConditionBuilder();
$condition->add('roomID = ?', [ $room->roomID ]);
$condition->add('userID = ?', [ $user->userID ]);
if ($sessionID !== null) {
$condition->add('sessionID = ?', [ $sessionID ]);
}
$sql = "DELETE FROM chat".WCF_N."_session
".$condition;
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute($condition->getParameters());
if ($statement->getAffectedRows() === 0) {
throw new UserInputException('sessionID');
}
try {
$commited = false;
WCF::getDB()->beginTransaction();
// Check whether we deleted the last session.
$sql = "SELECT COUNT(*)
FROM chat".WCF_N."_session
WHERE roomID = ?
AND userID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ $room->roomID, $user->userID ]);
// We did not: Nothing to do here.
if ($statement->fetchColumn()) return;
// Mark the user as inactive.
$sql = "UPDATE chat".WCF_N."_room_to_user SET active = ? WHERE roomID = ? AND userID = ?";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute([ 0, $room->roomID, $user->userID ]);
if ($statement->getAffectedRows() === 0) throw new \LogicException('Unreachable');
WCF::getDB()->commitTransaction();
$commited = true;
}
finally {
if (!$commited) WCF::getDB()->rollBackTransaction();
}
(new MessageAction([ ], 'create', [ 'data' => [ 'roomID' => $room->roomID
, 'userID' => $user->userID
, 'username' => $user->username
, 'time' => TIME_NOW
, 'objectTypeID' => $objectTypeID
, 'payload' => serialize([ ])
]
]
)
)->executeAction();
$pushHandler = \wcf\system\push\PushHandler::getInstance();
$pushHandler->sendMessage([ 'message' => 'be.bastelstu.chat.leave'
, 'target' => 'registered'
]);
}
else {
throw new \LogicException('Missing object type');
}
}
/**
* Validates parameters and permissions.
*/
public function validateGetUsers() {
if (empty($this->getObjects())) {
$this->readObjects();
}
if (count($this->getObjects()) !== 1) {
throw new UserInputException('objectIDs');
}
$room = $this->getObjects()[0];
$user = new ChatUser(WCF::getUser());
if (!$user->isInRoom($room->getDecoratedObject())) throw new PermissionDeniedException();
}
/**
* Returns the userIDs of the users in this room.
*/
public function getUsers() {
if (empty($this->getObjects())) {
$this->readObjects();
}
if (count($this->getObjects()) !== 1) {
throw new UserInputException('objectIDs');
}
$room = $this->getObjects()[0];
$users = (new \chat\data\user\UserAction([ ], 'getUsersByID', [
'userIDs' => array_keys($room->getUsers())
]))->executeAction()['returnValues'];
$users = array_map(function (array $user) use ($room) {
$userProfile = UserProfileRuntimeCache::getInstance()->getObject($user['userID']);
if (!isset($user['permissions'])) $user['permissions'] = [];
$user['permissions']['canWritePublicly'] = $room->canWritePublicly($userProfile);
return $user;
}, $users);
\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'getUsers', $users);
return $users;
}
/**
* @inheritDoc
*/
public function validateUpdatePosition() {
// validate permissions
if (is_array($this->permissionsUpdate) && !empty($this->permissionsUpdate)) {
WCF::getSession()->checkPermissions($this->permissionsUpdate);
}
else {
throw new PermissionDeniedException();
}
$this->readIntegerArray('structure', false, 'data');
$roomList = new RoomList();
$roomList->readObjects();
foreach ($this->parameters['data']['structure'][0] as $roomID) {
$room = $roomList->search($roomID);
if ($room === null) throw new UserInputException('structure');
}
}
/**
* @inheritDoc
*/
public function updatePosition() {
$roomList = new RoomList();
$roomList->readObjects();
$i = 0;
WCF::getDB()->beginTransaction();
foreach ($this->parameters['data']['structure'][0] as $roomID) {
$room = $roomList->search($roomID);
if ($room === null) continue;
$editor = new RoomEditor($room);
$editor->update([ 'position' => $i++ ]);
}
WCF::getDB()->commitTransaction();
}
/**
* Validates permissions.
*/
public function validateGetBoxRoomList() {
if (!\chat\data\room\Room::canSeeAny()) throw new \wcf\system\exception\PermissionDeniedException();
$this->readBoolean('isSidebar', true);
$this->readBoolean('skipEmptyRooms', true);
$this->readInteger('activeRoomID', true);
unset($this->parameters['boxController']);
$this->readInteger('boxID', true);
if ($this->parameters['boxID']) {
$box = new \wcf\data\box\Box($this->parameters['boxID']);
if ($box->boxID) {
$this->parameters['boxController'] = $box->getController();
if ($this->parameters['boxController'] instanceof \chat\system\box\RoomListBoxController) {
// all checks passed, end validation; otherwise throw the exception below
return;
}
}
throw new UserInputException('boxID');
}
}
/**
* Returns dashboard roomlist.
*/
public function getBoxRoomList() {
if (isset($this->parameters['boxController'])) {
$this->parameters['boxController']->setActiveRoomID($this->parameters['activeRoomID']);
return [ 'template' => $this->parameters['boxController']->getContent() ];
}
// Fetch all rooms, the templates have filtering in place
$rooms = RoomCache::getInstance()->getRooms();
$template = 'boxRoomList'.($this->parameters['isSidebar'] ? 'Sidebar' : '');
\wcf\system\WCF::getTPL()->assign([ 'boxRoomList' => $rooms
, 'skipEmptyRooms' => $this->parameters['skipEmptyRooms']
, 'activeRoomID' => $this->parameters['activeRoomID']
]);
return [ 'template' => \wcf\system\WCF::getTPL()->fetch($template, 'chat') ];
}
}