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NetworkSession: Restore PM3 unexpected XUID handling behaviour (removes XUID instead of kicking the player)

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close #3861, close #3089
This commit is contained in:
Dylan K. Taylor 2020-10-08 14:36:02 +01:00
parent df7bafe2bc
commit 94c58c00b5
2 changed files with 28 additions and 5 deletions
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14
src/network/mcpe/NetworkSession.php
View File

@ -561,8 +561,6 @@ class NetworkSession{
if($error === null){
if($authenticated and $this->info->getXuid() === ""){
$error = "Expected XUID but none found";
}elseif(!$authenticated and $this->info->getXuid() !== ""){
$error = "Unexpected XUID for non-XBOX-authenticated player";
}elseif($clientPubKey === null){
$error = "Missing client public key"; //failsafe
}
@ -576,9 +574,15 @@ class NetworkSession{
$this->authenticated = $authenticated;
if(!$this->authenticated and $authRequired){
$this->disconnect("disconnectionScreen.notAuthenticated");
return;
if(!$this->authenticated){
if($authRequired){
$this->disconnect("disconnectionScreen.notAuthenticated");
return;
}
if($this->info->hasXboxData()){
$this->logger->warning("Discarding unexpected XUID for non-authenticated player");
$this->info = $this->info->withoutXboxData();
}
}
$this->logger->debug("Xbox Live authenticated: " . ($this->authenticated ? "YES" : "NO"));

19
src/player/PlayerInfo.php
View File

@ -88,4 +88,23 @@ class PlayerInfo{
public function getExtraData() : array{
return $this->extraData;
}
public function hasXboxData() : bool{
return $this->xuid !== "";
}
/**
* Returns a new PlayerInfo with XBL player info stripped. This is used to ensure that non-XBL players can't spoof
* XBL data.
*/
public function withoutXboxData() : self{
return new self(
$this->username,
$this->uuid,
$this->skin,
$this->locale,
"",
$this->extraData
);
}
}