377 lines
13 KiB
PHP
377 lines
13 KiB
PHP
<?php
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/*
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* Copyright (c) 2010-2018 Tim Düsterhus.
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*
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* Use of this software is governed by the Business Source License
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* included in the LICENSE file.
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*
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* Change Date: 2022-08-16
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*
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* On the date above, in accordance with the Business Source
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* License, use of this software will be governed by version 2
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* or later of the General Public License.
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*/
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namespace chat\data\room;
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use \chat\data\user\User as ChatUser;
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use \chat\data\message\MessageAction;
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use \wcf\data\object\type\ObjectTypeCache;
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use \wcf\system\cache\runtime\UserProfileRuntimeCache;
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use \wcf\system\database\util\PreparedStatementConditionBuilder;
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use \wcf\system\exception\PermissionDeniedException;
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use \wcf\system\exception\UserInputException;
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use \wcf\system\user\activity\point\UserActivityPointHandler;
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use \wcf\system\WCF;
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/**
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* Executes chat room-related actions.
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*/
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class RoomAction extends \wcf\data\AbstractDatabaseObjectAction implements \wcf\data\ISortableAction {
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/**
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* @inheritDoc
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*/
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protected $permissionsDelete = [ 'admin.chat.canManageRoom' ];
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/**
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* @inheritDoc
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*/
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protected $permissionsUpdate = [ 'admin.chat.canManageRoom' ];
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/**
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* Validates parameters and permissions.
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*/
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public function validateJoin() {
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unset($this->parameters['user']);
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$this->readString('sessionID');
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$this->parameters['sessionID'] = pack('H*', str_replace('-', '', $this->parameters['sessionID']));
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$this->readInteger('roomID');
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$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
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if ($room === null) throw new UserInputException('roomID');
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if (!$room->canSee($user = null, $reason)) throw $reason;
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if (!$room->canJoin($user = null, $reason)) throw $reason;
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}
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/**
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* Makes the given user join the current chat room.
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*/
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public function join() {
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$objectTypeID = ObjectTypeCache::getInstance()->getObjectTypeIDByName('be.bastelstu.chat.messageType', 'be.bastelstu.chat.messageType.join');
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if (!$objectTypeID) throw new \LogicException('Missing object type');
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// User cannot be set during an AJAX request, but may be set by Tim’s Chat itself.
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if (!isset($this->parameters['user'])) $this->parameters['user'] = WCF::getUser();
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$user = new ChatUser($this->parameters['user']);
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// Check parameters
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$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
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if ($room === null) throw new UserInputException('roomID');
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$sessionID = $this->parameters['sessionID'];
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if (strlen($sessionID) !== 16) throw new UserInputException('sessionID');
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try {
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// Create room_to_user mapping.
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$sql = "INSERT INTO chat".WCF_N."_room_to_user (active, roomID, userID) VALUES (?, ?, ?)";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ 0, $room->roomID, $user->userID ]);
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}
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catch (\wcf\system\database\exception\DatabaseException $e) {
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// Ignore if there already is a mapping.
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if ((string) $e->getCode() !== '23000') throw $e;
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}
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try {
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$sql = "INSERT INTO chat".WCF_N."_session (roomID, userID, sessionID, lastRequest) VALUES (?, ?, ?, ?)";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ $room->roomID, $user->userID, $sessionID, TIME_NOW ]);
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}
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catch (\wcf\system\database\exception\DatabaseException $e) {
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if ((string) $e->getCode() !== '23000') throw $e;
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throw new UserInputException('sessionID');
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}
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$markAsBack = function () use ($user, $room) {
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$userProfile = new \wcf\data\user\UserProfile($user->getDecoratedObject());
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$package = \wcf\data\package\PackageCache::getInstance()->getPackageByIdentifier('be.bastelstu.chat');
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$command = \chat\data\command\CommandCache::getInstance()->getCommandByPackageAndIdentifier($package, 'back');
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$processor = $command->getProcessor();
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$processor->execute([ ], $room, $userProfile);
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};
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if ($user->chatAway !== null) {
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$markAsBack();
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}
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// Attempt to mark the user as active in the room.
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$sql = "UPDATE chat".WCF_N."_room_to_user SET active = ? WHERE roomID = ? AND userID = ?";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ 1, $room->roomID, $user->userID ]);
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if ($statement->getAffectedRows() === 0) {
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// The User already is inside the room: Nothing to do here.
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return;
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}
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// Update lastPull. This must not be merged into the above query, because of the 'getAffectedRows' check.
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$sql = "UPDATE chat".WCF_N."_room_to_user SET lastPull = ? WHERE roomID = ? AND userID = ?";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ TIME_NOW, $room->roomID, $user->userID ]);
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(new MessageAction([ ], 'create', [ 'data' => [ 'roomID' => $room->roomID
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, 'userID' => $user->userID
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, 'username' => $user->username
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, 'time' => TIME_NOW
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, 'objectTypeID' => $objectTypeID
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, 'payload' => serialize([ ])
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]
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]
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)
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)->executeAction();
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UserActivityPointHandler::getInstance()->fireEvent('be.bastelstu.chat.activityPointEvent.join', 0, $user->userID);
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$pushHandler = \wcf\system\push\PushHandler::getInstance();
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$pushHandler->sendMessage([ 'message' => 'be.bastelstu.chat.join'
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, 'target' => 'registered'
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]);
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}
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/**
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* Validates parameters and permissions.
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*/
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public function validateLeave() {
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unset($this->parameters['user']);
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$this->readString('sessionID');
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$this->parameters['sessionID'] = pack('H*', str_replace('-', '', $this->parameters['sessionID']));
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$this->readInteger('roomID');
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$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
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if ($room === null) throw new UserInputException('roomID');
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// Do not check permissions: If the user is not inside the room nothing happens, if he is it
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// may lead to a faster eviction of the user.
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}
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/**
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* Makes the given user leave the current chat room.
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*/
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public function leave() {
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$objectTypeID = ObjectTypeCache::getInstance()->getObjectTypeIDByName('be.bastelstu.chat.messageType', 'be.bastelstu.chat.messageType.leave');
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if ($objectTypeID) {
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// User cannot be set during an AJAX request, but may be set by Tim’s Chat itself.
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if (!isset($this->parameters['user'])) $this->parameters['user'] = WCF::getUser();
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$user = new ChatUser($this->parameters['user']);
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$room = RoomCache::getInstance()->getRoom($this->parameters['roomID']);
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if ($room === null) throw new UserInputException('roomID');
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$sessionID = null;
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if (isset($this->parameters['sessionID'])) {
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$sessionID = $this->parameters['sessionID'];
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if (strlen($sessionID) !== 16) throw new UserInputException('sessionID');
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}
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// Delete session.
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$condition = new \wcf\system\database\util\PreparedStatementConditionBuilder();
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$condition->add('roomID = ?', [ $room->roomID ]);
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$condition->add('userID = ?', [ $user->userID ]);
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if ($sessionID !== null) {
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$condition->add('sessionID = ?', [ $sessionID ]);
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}
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$sql = "DELETE FROM chat".WCF_N."_session
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".$condition;
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute($condition->getParameters());
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if ($statement->getAffectedRows() === 0) {
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throw new UserInputException('sessionID');
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}
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try {
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$commited = false;
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WCF::getDB()->beginTransaction();
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// Check whether we deleted the last session.
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$sql = "SELECT COUNT(*)
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FROM chat".WCF_N."_session
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WHERE roomID = ?
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AND userID = ?";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ $room->roomID, $user->userID ]);
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// We did not: Nothing to do here.
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if ($statement->fetchColumn()) return;
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// Mark the user as inactive.
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$sql = "UPDATE chat".WCF_N."_room_to_user SET active = ? WHERE roomID = ? AND userID = ?";
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$statement = WCF::getDB()->prepareStatement($sql);
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$statement->execute([ 0, $room->roomID, $user->userID ]);
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if ($statement->getAffectedRows() === 0) throw new \LogicException('Unreachable');
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WCF::getDB()->commitTransaction();
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$commited = true;
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}
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finally {
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if (!$commited) WCF::getDB()->rollBackTransaction();
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}
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(new MessageAction([ ], 'create', [ 'data' => [ 'roomID' => $room->roomID
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, 'userID' => $user->userID
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, 'username' => $user->username
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, 'time' => TIME_NOW
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, 'objectTypeID' => $objectTypeID
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, 'payload' => serialize([ ])
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]
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]
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)
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)->executeAction();
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$pushHandler = \wcf\system\push\PushHandler::getInstance();
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$pushHandler->sendMessage([ 'message' => 'be.bastelstu.chat.leave'
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, 'target' => 'registered'
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]);
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}
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else {
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throw new \LogicException('Missing object type');
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}
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}
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/**
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* Validates parameters and permissions.
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*/
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public function validateGetUsers() {
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if (empty($this->getObjects())) {
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$this->readObjects();
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}
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if (count($this->getObjects()) !== 1) {
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throw new UserInputException('objectIDs');
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}
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$room = $this->getObjects()[0];
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$user = new ChatUser(WCF::getUser());
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if (!$user->isInRoom($room->getDecoratedObject())) throw new PermissionDeniedException();
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}
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/**
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* Returns the userIDs of the users in this room.
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*/
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public function getUsers() {
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if (empty($this->getObjects())) {
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$this->readObjects();
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}
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if (count($this->getObjects()) !== 1) {
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throw new UserInputException('objectIDs');
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}
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$room = $this->getObjects()[0];
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$users = (new \chat\data\user\UserAction([ ], 'getUsersByID', [
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'userIDs' => array_keys($room->getUsers())
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]))->executeAction()['returnValues'];
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$users = array_map(function (array $user) use ($room) {
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$userProfile = UserProfileRuntimeCache::getInstance()->getObject($user['userID']);
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if (!isset($user['permissions'])) $user['permissions'] = [];
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$user['permissions']['canWritePublicly'] = $room->canWritePublicly($userProfile);
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return $user;
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}, $users);
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\wcf\system\event\EventHandler::getInstance()->fireAction($this, 'getUsers', $users);
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return $users;
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}
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/**
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* @inheritDoc
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*/
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public function validateUpdatePosition() {
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// validate permissions
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if (is_array($this->permissionsUpdate) && !empty($this->permissionsUpdate)) {
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WCF::getSession()->checkPermissions($this->permissionsUpdate);
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}
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else {
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throw new PermissionDeniedException();
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}
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$this->readIntegerArray('structure', false, 'data');
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$roomList = new RoomList();
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$roomList->readObjects();
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foreach ($this->parameters['data']['structure'][0] as $roomID) {
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$room = $roomList->search($roomID);
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if ($room === null) throw new UserInputException('structure');
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}
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}
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/**
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* @inheritDoc
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*/
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public function updatePosition() {
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$roomList = new RoomList();
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$roomList->readObjects();
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$i = 0;
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WCF::getDB()->beginTransaction();
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foreach ($this->parameters['data']['structure'][0] as $roomID) {
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$room = $roomList->search($roomID);
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if ($room === null) continue;
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$editor = new RoomEditor($room);
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$editor->update([ 'position' => $i++ ]);
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}
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WCF::getDB()->commitTransaction();
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}
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/**
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* Validates permissions.
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*/
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public function validateGetBoxRoomList() {
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if (!\chat\data\room\Room::canSeeAny()) throw new \wcf\system\exception\PermissionDeniedException();
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$this->readBoolean('isSidebar', true);
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$this->readBoolean('skipEmptyRooms', true);
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$this->readInteger('activeRoomID', true);
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unset($this->parameters['boxController']);
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$this->readInteger('boxID', true);
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if ($this->parameters['boxID']) {
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$box = new \wcf\data\box\Box($this->parameters['boxID']);
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if ($box->boxID) {
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$this->parameters['boxController'] = $box->getController();
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if ($this->parameters['boxController'] instanceof \chat\system\box\RoomListBoxController) {
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// all checks passed, end validation; otherwise throw the exception below
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return;
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}
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}
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throw new UserInputException('boxID');
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}
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}
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/**
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* Returns dashboard roomlist.
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*/
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public function getBoxRoomList() {
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if (isset($this->parameters['boxController'])) {
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$this->parameters['boxController']->setActiveRoomID($this->parameters['activeRoomID']);
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return [ 'template' => $this->parameters['boxController']->getContent() ];
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}
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// Fetch all rooms, the templates have filtering in place
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$rooms = RoomCache::getInstance()->getRooms();
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$template = 'boxRoomList'.($this->parameters['isSidebar'] ? 'Sidebar' : '');
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\wcf\system\WCF::getTPL()->assign([ 'boxRoomList' => $rooms
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, 'skipEmptyRooms' => $this->parameters['skipEmptyRooms']
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, 'activeRoomID' => $this->parameters['activeRoomID']
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]);
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return [ 'template' => \wcf\system\WCF::getTPL()->fetch($template, 'chat') ];
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}
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}
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