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Fixed resource packs/login sequence fail, added basic safety restrictions for packet sending before clients are logged in

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close #452
This commit is contained in:
Dylan K. Taylor
2017-03-26 14:40:59 +01:00
parent 01440fb659
commit 788bd6fc20
9 changed files with 71 additions and 25 deletions
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64
src/pocketmine/Player.php
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@ -1063,6 +1063,11 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
return false;
}
//Basic safety restriction. TODO: improve this
if(!$this->loggedIn and !$packet->canBeSentBeforeLogin()){
throw new \InvalidArgumentException("Attempted to send " . get_class($packet) . " to " . $this->getName() . " too early");
}
$timings = Timings::getSendDataPacketTimings($packet);
$timings->startTiming();
@ -1096,6 +1101,11 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
return false;
}
//Basic safety restriction. TODO: improve this
if(!$this->loggedIn and !$packet->canBeSentBeforeLogin()){
throw new \InvalidArgumentException("Attempted to send " . get_class($packet) . " to " . $this->getName() . " too early");
}
$timings = Timings::getSendDataPacketTimings($packet);
$timings->startTiming();
$this->server->getPluginManager()->callEvent($ev = new DataPacketSendEvent($this, $packet));
@ -1734,38 +1744,40 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
if($p !== $this and strtolower($p->getName()) === strtolower($this->getName())){
if($p->kick("logged in from another location") === false){
$this->close($this->getLeaveMessage(), "Logged in from another location");
return;
}
}elseif($p->loggedIn and $this->getUniqueId()->equals($p->getUniqueId())){
if($p->kick("logged in from another location") === false){
$this->close($this->getLeaveMessage(), "Logged in from another location");
return;
}
}
}
$nbt = $this->server->getOfflinePlayerData($this->username);
$this->namedtag = $this->server->getOfflinePlayerData($this->username);
$this->playedBefore = ($nbt["lastPlayed"] - $nbt["firstPlayed"]) > 1; // microtime(true) - microtime(true) may have less than one millisecond difference
if(!isset($nbt->NameTag)){
$nbt->NameTag = new StringTag("NameTag", $this->username);
$this->playedBefore = ($this->namedtag["lastPlayed"] - $this->namedtag["firstPlayed"]) > 1; // microtime(true) - microtime(true) may have less than one millisecond difference
if(!isset($this->namedtag->NameTag)){
$this->namedtag->NameTag = new StringTag("NameTag", $this->username);
}else{
$nbt["NameTag"] = $this->username;
$this->namedtag["NameTag"] = $this->username;
}
$this->gamemode = $nbt["playerGameType"] & 0x03;
$this->gamemode = $this->namedtag["playerGameType"] & 0x03;
if($this->server->getForceGamemode()){
$this->gamemode = $this->server->getGamemode();
$nbt->playerGameType = new IntTag("playerGameType", $this->gamemode);
$this->namedtag->playerGameType = new IntTag("playerGameType", $this->gamemode);
}
$this->allowFlight = (bool) ($this->gamemode & 0x01);
if(($level = $this->server->getLevelByName($nbt["Level"])) === null){
if(($level = $this->server->getLevelByName($this->namedtag["Level"])) === null){
$this->setLevel($this->server->getDefaultLevel());
$nbt["Level"] = $this->level->getName();
$nbt["Pos"][0] = $this->level->getSpawnLocation()->x;
$nbt["Pos"][1] = $this->level->getSpawnLocation()->y;
$nbt["Pos"][2] = $this->level->getSpawnLocation()->z;
$this->namedtag["Level"] = $this->level->getName();
$this->namedtag["Pos"][0] = $this->level->getSpawnLocation()->x;
$this->namedtag["Pos"][1] = $this->level->getSpawnLocation()->y;
$this->namedtag["Pos"][2] = $this->level->getSpawnLocation()->z;
}else{
$this->setLevel($level);
}
@ -1773,19 +1785,29 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
$this->achievements = [];
/** @var ByteTag $achievement */
foreach($nbt->Achievements as $achievement){
foreach($this->namedtag->Achievements as $achievement){
$this->achievements[$achievement->getName()] = $achievement->getValue() > 0 ? true : false;
}
$nbt->lastPlayed = new LongTag("lastPlayed", floor(microtime(true) * 1000));
$this->namedtag->lastPlayed = new LongTag("lastPlayed", floor(microtime(true) * 1000));
if($this->server->getAutoSave()){
$this->server->saveOfflinePlayerData($this->username, $nbt, true);
$this->server->saveOfflinePlayerData($this->username, $this->namedtag, true);
}
parent::__construct($this->level, $nbt);
$this->sendPlayStatus(PlayStatusPacket::LOGIN_SUCCESS);
$this->loggedIn = true;
$this->server->addOnlinePlayer($this);
$pk = new ResourcePacksInfoPacket();
$manager = $this->server->getResourceManager();
$pk->resourcePackEntries = $manager->getResourceStack();
$pk->mustAccept = $manager->resourcePacksRequired();
$this->dataPacket($pk);
}
protected function completeLoginSequence(){
parent::__construct($this->level, $this->namedtag);
$this->server->getPluginManager()->callEvent($ev = new PlayerLoginEvent($this, "Plugin reason"));
if($ev->isCancelled()){
$this->close($this->getLeaveMessage(), $ev->getKickMessage());
@ -1910,13 +1932,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
//TODO: add JWT verification, add encryption
$this->sendPlayStatus(PlayStatusPacket::LOGIN_SUCCESS);
$pk = new ResourcePacksInfoPacket();
$manager = $this->server->getResourceManager();
$pk->resourcePackEntries = $manager->getResourceStack();
$pk->mustAccept = $manager->resourcePacksRequired();
$this->dataPacket($pk);
$this->processLogin();
return true;
}
@ -1989,7 +2005,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
$this->dataPacket($pk);
break;
case ResourcePackClientResponsePacket::STATUS_COMPLETED:
$this->processLogin();
$this->completeLoginSequence();
break;
}