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cuberite-2a
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Added a cMojangAPI class for PlayerName -> UUID lookups, with cache. 

The cache is persisted into a SQLite DB file on server shutdown.
This commit is contained in:
madmaxoft 2014-07-29 17:45:55 +02:00
parent 7f7604a186
commit 4dd858f899
9 changed files with 564 additions and 239 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/Bindings/ManualBindings.cpp
View File

@ -2189,7 +2189,7 @@ static int tolua_cClientHandle_GetUUIDsFromPlayerNames(lua_State * L)
lua_newtable(L); // stack index 3
// Get the UUIDs:
AStringVector UUIDs = cRoot::Get()->GetAuthenticator().GetUUIDsFromPlayerNames(PlayerNames);
AStringVector UUIDs = cRoot::Get()->GetMojangAPI().GetUUIDsFromPlayerNames(PlayerNames);
if (UUIDs.size() != PlayerNames.size())
{
// A hard error has occured while processing the request, no UUIDs were returned. Return an empty table:

4
src/CMakeLists.txt
View File

@ -138,6 +138,8 @@ SET (HDRS
XMLParser.h)
include_directories(".")
include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/sqlite")
include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/SQLiteCpp/include")
if (NOT MSVC)
# Bindings need to reference other folders, so they are done here instead
@ -311,4 +313,4 @@ endif ()
if (WIN32)
target_link_libraries(${EXECUTABLE} expat tolualib ws2_32.lib Psapi.lib)
endif()
target_link_libraries(${EXECUTABLE} luaexpat iniFile jsoncpp polarssl zlib sqlite lua)
target_link_libraries(${EXECUTABLE} luaexpat iniFile jsoncpp polarssl zlib sqlite lua SQLiteCpp)

216
src/Protocol/Authenticator.cpp
View File

@ -2,6 +2,7 @@
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "Authenticator.h"
#include "MojangAPI.h"
#include "../Root.h"
#include "../Server.h"
#include "../ClientHandle.h"
@ -17,76 +18,11 @@
#define DEFAULT_AUTH_SERVER "sessionserver.mojang.com"
#define DEFAULT_AUTH_ADDRESS "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%"
#define DEFAULT_NAME_TO_UUID_SERVER "api.mojang.com"
#define DEFAULT_NAME_TO_UUID_ADDRESS "/profiles/minecraft"
/** This is the data of the root certs for Starfield Technologies, the CA that signed sessionserver.mojang.com's cert:
Downloaded from http://certs.starfieldtech.com/repository/ */
static const AString StarfieldCACert()
{
return AString(
// G2 cert
"-----BEGIN CERTIFICATE-----\n"
"MIID3TCCAsWgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBjzELMAkGA1UEBhMCVVMx\n"
"EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxJTAjBgNVBAoT\n"
"HFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAMTKVN0YXJmaWVs\n"
"ZCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTA5MDkwMTAwMDAw\n"
"MFoXDTM3MTIzMTIzNTk1OVowgY8xCzAJBgNVBAYTAlVTMRAwDgYDVQQIEwdBcml6\n"
"b25hMRMwEQYDVQQHEwpTY290dHNkYWxlMSUwIwYDVQQKExxTdGFyZmllbGQgVGVj\n"
"aG5vbG9naWVzLCBJbmMuMTIwMAYDVQQDEylTdGFyZmllbGQgUm9vdCBDZXJ0aWZp\n"
"Y2F0ZSBBdXRob3JpdHkgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC\n"
"ggEBAL3twQP89o/8ArFvW59I2Z154qK3A2FWGMNHttfKPTUuiUP3oWmb3ooa/RMg\n"
"nLRJdzIpVv257IzdIvpy3Cdhl+72WoTsbhm5iSzchFvVdPtrX8WJpRBSiUZV9Lh1\n"
"HOZ/5FSuS/hVclcCGfgXcVnrHigHdMWdSL5stPSksPNkN3mSwOxGXn/hbVNMYq/N\n"
"Hwtjuzqd+/x5AJhhdM8mgkBj87JyahkNmcrUDnXMN/uLicFZ8WJ/X7NfZTD4p7dN\n"
"dloedl40wOiWVpmKs/B/pM293DIxfJHP4F8R+GuqSVzRmZTRouNjWwl2tVZi4Ut0\n"
"HZbUJtQIBFnQmA4O5t78w+wfkPECAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAO\n"
"BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFHwMMh+n2TB/xH1oo2Kooc6rB1snMA0G\n"
"CSqGSIb3DQEBCwUAA4IBAQARWfolTwNvlJk7mh+ChTnUdgWUXuEok21iXQnCoKjU\n"
"sHU48TRqneSfioYmUeYs0cYtbpUgSpIB7LiKZ3sx4mcujJUDJi5DnUox9g61DLu3\n"
"4jd/IroAow57UvtruzvE03lRTs2Q9GcHGcg8RnoNAX3FWOdt5oUwF5okxBDgBPfg\n"
"8n/Uqgr/Qh037ZTlZFkSIHc40zI+OIF1lnP6aI+xy84fxez6nH7PfrHxBy22/L/K\n"
"pL/QlwVKvOoYKAKQvVR4CSFx09F9HdkWsKlhPdAKACL8x3vLCWRFCztAgfd9fDL1\n"
"mMpYjn0q7pBZc2T5NnReJaH1ZgUufzkVqSr7UIuOhWn0\n"
"-----END CERTIFICATE-----\n\n"
// Original (G1) cert:
"-----BEGIN CERTIFICATE-----\n"
"MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl\n"
"MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp\n"
"U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw\n"
"NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE\n"
"ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp\n"
"ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3\n"
"DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf\n"
"8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN\n"
"+lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0\n"
"X9tDkYI22WY8sbi5gv2cOj4QyDvvBmVmepsZGD3/cVE8MC5fvj13c7JdBmzDI1aa\n"
"K4UmkhynArPkPw2vCHmCuDY96pzTNbO8acr1zJ3o/WSNF4Azbl5KXZnJHoe0nRrA\n"
"1W4TNSNe35tfPe/W93bC6j67eA0cQmdrBNj41tpvi/JEoAGrAgEDo4HFMIHCMB0G\n"
"A1UdDgQWBBS/X7fRzt0fhvRbVazc1xDCDqmI5zCBkgYDVR0jBIGKMIGHgBS/X7fR\n"
"zt0fhvRbVazc1xDCDqmI56FspGowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0\n"
"YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBD\n"
"bGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8w\n"
"DQYJKoZIhvcNAQEFBQADggEBAAWdP4id0ckaVaGsafPzWdqbAYcaT1epoXkJKtv3\n"
"L7IezMdeatiDh6GX70k1PncGQVhiv45YuApnP+yz3SFmH8lU+nLMPUxA2IGvd56D\n"
"eruix/U0F47ZEUD0/CwqTRV/p2JdLiXTAAsgGh1o+Re49L2L7ShZ3U0WixeDyLJl\n"
"xy16paq8U4Zt3VekyvggQQto8PT7dL5WXXp59fkdheMtlb71cZBDzI0fmgAKhynp\n"
"VSJYACPq4xJDKVtHCN2MQWplBqjlIapBtJUhlbl90TSrE9atvNziPTnNvT51cKEY\n"
"WQPJIrSPnNVeKtelttQKbfi3QBFGmh95DmK/D5fs4C8fF5Q=\n"
"-----END CERTIFICATE-----\n"
);
}
cAuthenticator::cAuthenticator(void) :
super("cAuthenticator"),
m_Server(DEFAULT_AUTH_SERVER),
m_Address(DEFAULT_AUTH_ADDRESS),
m_NameToUUIDServer(DEFAULT_NAME_TO_UUID_SERVER),
m_NameToUUIDAddress(DEFAULT_NAME_TO_UUID_ADDRESS),
m_ShouldAuthenticate(true)
{
}
@ -109,8 +45,6 @@ void cAuthenticator::ReadINI(cIniFile & IniFile)
m_Server = IniFile.GetValueSet ("Authentication", "Server", DEFAULT_AUTH_SERVER);
m_Address = IniFile.GetValueSet ("Authentication", "Address", DEFAULT_AUTH_ADDRESS);
m_ShouldAuthenticate = IniFile.GetValueSetB("Authentication", "Authenticate", true);
m_NameToUUIDServer = IniFile.GetValueSet ("Authentication", "NameToUUIDServer", DEFAULT_NAME_TO_UUID_SERVER);
m_NameToUUIDAddress = IniFile.GetValueSet ("Authentication", "NameToUUIDAddress", DEFAULT_NAME_TO_UUID_ADDRESS);
}
@ -157,93 +91,6 @@ void cAuthenticator::Stop(void)
AStringVector cAuthenticator::GetUUIDsFromPlayerNames(const AStringVector & a_PlayerNames)
{
AStringVector res;
// Create the request body - a JSON containing all the playernames:
Json::Value root;
for (AStringVector::const_iterator itr = a_PlayerNames.begin(), end = a_PlayerNames.end(); itr != end; ++itr)
{
Json::Value req(*itr);
root.append(req);
} // for itr - a_PlayerNames[]
Json::FastWriter Writer;
AString RequestBody = Writer.write(root);
// Create the HTTP request:
AString Request;
Request += "POST " + m_NameToUUIDAddress + " HTTP/1.1\r\n";
Request += "Host: " + m_NameToUUIDServer + "\r\n";
Request += "User-Agent: MCServer\r\n";
Request += "Connection: close\r\n";
Request += "Content-Type: application/json\r\n";
Request += Printf("Content-Length: %u\r\n", (unsigned)RequestBody.length());
Request += "\r\n";
Request += RequestBody;
// Get the response from the server:
AString Response;
if (!SecureGetFromAddress(StarfieldCACert(), m_NameToUUIDServer, Request, Response))
{
return res;
}
// Check the HTTP status line:
const AString Prefix("HTTP/1.1 200 OK");
AString HexDump;
if (Response.compare(0, Prefix.size(), Prefix))
{
LOGINFO("%s failed: bad HTTP status line received", __FUNCTION__);
LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
return res;
}
// Erase the HTTP headers from the response:
size_t idxHeadersEnd = Response.find("\r\n\r\n");
if (idxHeadersEnd == AString::npos)
{
LOGINFO("%s failed: bad HTTP response header received", __FUNCTION__);
LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
return res;
}
Response.erase(0, idxHeadersEnd + 4);
// Parse the returned string into Json:
Json::Reader reader;
if (!reader.parse(Response, root, false) || !root.isArray())
{
LOGWARNING("%s failed: Cannot parse received data (NameToUUID) to JSON!", __FUNCTION__);
LOGD("Response body:\n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
return res;
}
// Fill in the resulting array; do not expect to get the UUIDs in the same order as the inputs:
size_t len = a_PlayerNames.size();
size_t JsonCount = root.size();
res.resize(len);
for (size_t idx = 0; idx < len; idx++) // For each input username...
{
const AString & InputName = a_PlayerNames[idx];
for (size_t IdxJson = 0; IdxJson < JsonCount; ++IdxJson)
{
Json::Value & Val = root[IdxJson];
AString JsonName = Val.get("name", "").asString();
if (NoCaseCompare(JsonName, InputName) == 0)
{
res[idx] = Val.get("id", "").asString();
break;
}
} // for IdxJson - root[]
} // for idx - a_PlayerNames[] / res[]
return res;
}
void cAuthenticator::Execute(void)
{
for (;;)
@ -286,62 +133,6 @@ void cAuthenticator::Execute(void)
bool cAuthenticator::SecureGetFromAddress(const AString & a_CACerts, const AString & a_ExpectedPeerName, const AString & a_Data, AString & a_Response)
{
// Connect the socket:
cBlockingSslClientSocket Socket;
Socket.SetTrustedRootCertsFromString(a_CACerts, a_ExpectedPeerName);
if (!Socket.Connect(a_ExpectedPeerName, 443))
{
LOGWARNING("cAuthenticator: Can't connect to %s: %s", a_ExpectedPeerName.c_str(), Socket.GetLastErrorText().c_str());
return false;
}
if (!Socket.Send(a_Data.c_str(), a_Data.size()))
{
LOGWARNING("cAuthenticator: Writing SSL data failed: %s", Socket.GetLastErrorText().c_str());
return false;
}
// Read the HTTP response:
int ret;
unsigned char buf[1024];
for (;;)
{
ret = Socket.Receive(buf, sizeof(buf));
if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE))
{
// This value should never be returned, it is handled internally by cBlockingSslClientSocket
LOGWARNING("cAuthenticator: SSL reading failed internally");
return false;
}
if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
{
break;
}
if (ret < 0)
{
LOGWARNING("cAuthenticator: SSL reading failed: -0x%x", -ret);
return false;
}
if (ret == 0)
{
break;
}
a_Response.append((const char *)buf, (size_t)ret);
}
Socket.Disconnect();
return true;
}
bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID, Json::Value & a_Properties)
{
LOGD("Trying to authenticate user %s", a_UserName.c_str());
@ -359,7 +150,7 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
Request += "\r\n";
AString Response;
if (!SecureGetFromAddress(StarfieldCACert(), m_Server, Request, Response))
if (!cMojangAPI::SecureRequest(m_Server, Request, Response))
{
return false;
}
@ -399,6 +190,9 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
a_UserName = root.get("name", "Unknown").asString();
a_UUID = root.get("id", "").asString();
a_Properties = root["properties"];
// Store the player's UUID in the NameToUUID map in MojangAPI:
cRoot::Get()->GetMojangAPI().AddPlayerNameToUUIDMapping(a_UserName, a_UUID);
// If the UUID doesn't contain the dashes, insert them at the proper places:
if (a_UUID.size() == 32)

27
src/Protocol/Authenticator.h
View File

@ -11,8 +11,6 @@
#pragma once
#ifndef CAUTHENTICATOR_H_INCLUDED
#define CAUTHENTICATOR_H_INCLUDED
#include "../OSSupport/IsThread.h"
@ -53,12 +51,6 @@ public:
/** Stops the authenticator thread. The thread may be started and stopped repeatedly */
void Stop(void);
/** Converts the player names into UUIDs.
a_PlayerName[idx] will be converted to UUID and returned as idx-th value
The UUID will be empty on error.
Blocking operation, do not use in world-tick thread! */
AStringVector GetUUIDsFromPlayerNames(const AStringVector & a_PlayerName);
private:
class cUser
@ -91,34 +83,17 @@ private:
For example "/session/minecraft/hasJoined?username=%USERNAME%&serverId=%SERVERID%". */
AString m_Address;
/** The server to connect to when converting player names to UUIDs. For example "api.mojang.com". */
AString m_NameToUUIDServer;
/** The URL to use for converting player names to UUIDs, without server part.
For example "/profiles/page/1". */
AString m_NameToUUIDAddress;
AString m_PropertiesAddress;
bool m_ShouldAuthenticate;
/** cIsThread override: */
virtual void Execute(void) override;
/** Connects to a hostname using SSL, sends given data, and sets the response, returning whether all was successful or not */
bool SecureGetFromAddress(const AString & a_CACerts, const AString & a_ExpectedPeerName, const AString & a_Request, AString & a_Response);
/** Returns true if the user authenticated okay, false on error
Sets the username, UUID, and properties (i.e. skin) fields
*/
Returns the case-corrected username, UUID, and properties (eg. skin). */
bool AuthWithYggdrasil(AString & a_UserName, const AString & a_ServerId, AString & a_UUID, Json::Value & a_Properties);
};
#endif // CAUTHENTICATOR_H_INCLUDED

2
src/Protocol/CMakeLists.txt
View File

@ -7,6 +7,7 @@ include_directories ("${PROJECT_SOURCE_DIR}/../")
SET (SRCS
Authenticator.cpp
ChunkDataSerializer.cpp
MojangAPI.cpp
Protocol125.cpp
Protocol132.cpp
Protocol14x.cpp
@ -18,6 +19,7 @@ SET (SRCS
SET (HDRS
Authenticator.h
ChunkDataSerializer.h
MojangAPI.h
Protocol.h
Protocol125.h
Protocol132.h

446
src/Protocol/MojangAPI.cpp Normal file
View File

@ -0,0 +1,446 @@
// MojangAPI.cpp
// Implements the cMojangAPI class representing the various API points provided by Mojang's webservices, and a cache for their results
#include "Globals.h"
#include "MojangAPI.h"
#include "SQLiteCpp/Database.h"
#include "SQLiteCpp/Statement.h"
#include "inifile/iniFile.h"
#include "json/json.h"
#include "PolarSSL++/BlockingSslClientSocket.h"
/** The maximum age for items to be kept in the cache. Any item older than this will be removed. */
const Int64 MAX_AGE = 7 * 24 * 60 * 60; // 7 days ago
#define DEFAULT_NAME_TO_UUID_SERVER "api.mojang.com"
#define DEFAULT_NAME_TO_UUID_ADDRESS "/profiles/minecraft"
/** This is the data of the root certs for Starfield Technologies, the CA that signed sessionserver.mojang.com's cert:
Downloaded from http://certs.starfieldtech.com/repository/ */
static const AString & StarfieldCACert(void)
{
static const AString Cert(
// G2 cert
"-----BEGIN CERTIFICATE-----\n"
"MIID3TCCAsWgAwIBAgIBADANBgkqhkiG9w0BAQsFADCBjzELMAkGA1UEBhMCVVMx\n"
"EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxJTAjBgNVBAoT\n"
"HFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAMTKVN0YXJmaWVs\n"
"ZCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTA5MDkwMTAwMDAw\n"
"MFoXDTM3MTIzMTIzNTk1OVowgY8xCzAJBgNVBAYTAlVTMRAwDgYDVQQIEwdBcml6\n"
"b25hMRMwEQYDVQQHEwpTY290dHNkYWxlMSUwIwYDVQQKExxTdGFyZmllbGQgVGVj\n"
"aG5vbG9naWVzLCBJbmMuMTIwMAYDVQQDEylTdGFyZmllbGQgUm9vdCBDZXJ0aWZp\n"
"Y2F0ZSBBdXRob3JpdHkgLSBHMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC\n"
"ggEBAL3twQP89o/8ArFvW59I2Z154qK3A2FWGMNHttfKPTUuiUP3oWmb3ooa/RMg\n"
"nLRJdzIpVv257IzdIvpy3Cdhl+72WoTsbhm5iSzchFvVdPtrX8WJpRBSiUZV9Lh1\n"
"HOZ/5FSuS/hVclcCGfgXcVnrHigHdMWdSL5stPSksPNkN3mSwOxGXn/hbVNMYq/N\n"
"Hwtjuzqd+/x5AJhhdM8mgkBj87JyahkNmcrUDnXMN/uLicFZ8WJ/X7NfZTD4p7dN\n"
"dloedl40wOiWVpmKs/B/pM293DIxfJHP4F8R+GuqSVzRmZTRouNjWwl2tVZi4Ut0\n"
"HZbUJtQIBFnQmA4O5t78w+wfkPECAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAO\n"
"BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFHwMMh+n2TB/xH1oo2Kooc6rB1snMA0G\n"
"CSqGSIb3DQEBCwUAA4IBAQARWfolTwNvlJk7mh+ChTnUdgWUXuEok21iXQnCoKjU\n"
"sHU48TRqneSfioYmUeYs0cYtbpUgSpIB7LiKZ3sx4mcujJUDJi5DnUox9g61DLu3\n"
"4jd/IroAow57UvtruzvE03lRTs2Q9GcHGcg8RnoNAX3FWOdt5oUwF5okxBDgBPfg\n"
"8n/Uqgr/Qh037ZTlZFkSIHc40zI+OIF1lnP6aI+xy84fxez6nH7PfrHxBy22/L/K\n"
"pL/QlwVKvOoYKAKQvVR4CSFx09F9HdkWsKlhPdAKACL8x3vLCWRFCztAgfd9fDL1\n"
"mMpYjn0q7pBZc2T5NnReJaH1ZgUufzkVqSr7UIuOhWn0\n"
"-----END CERTIFICATE-----\n\n"
// Original (G1) cert:
"-----BEGIN CERTIFICATE-----\n"
"MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl\n"
"MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp\n"
"U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw\n"
"NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE\n"
"ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp\n"
"ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3\n"
"DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf\n"
"8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN\n"
"+lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0\n"
"X9tDkYI22WY8sbi5gv2cOj4QyDvvBmVmepsZGD3/cVE8MC5fvj13c7JdBmzDI1aa\n"
"K4UmkhynArPkPw2vCHmCuDY96pzTNbO8acr1zJ3o/WSNF4Azbl5KXZnJHoe0nRrA\n"
"1W4TNSNe35tfPe/W93bC6j67eA0cQmdrBNj41tpvi/JEoAGrAgEDo4HFMIHCMB0G\n"
"A1UdDgQWBBS/X7fRzt0fhvRbVazc1xDCDqmI5zCBkgYDVR0jBIGKMIGHgBS/X7fR\n"
"zt0fhvRbVazc1xDCDqmI56FspGowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0\n"
"YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBD\n"
"bGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8w\n"
"DQYJKoZIhvcNAQEFBQADggEBAAWdP4id0ckaVaGsafPzWdqbAYcaT1epoXkJKtv3\n"
"L7IezMdeatiDh6GX70k1PncGQVhiv45YuApnP+yz3SFmH8lU+nLMPUxA2IGvd56D\n"
"eruix/U0F47ZEUD0/CwqTRV/p2JdLiXTAAsgGh1o+Re49L2L7ShZ3U0WixeDyLJl\n"
"xy16paq8U4Zt3VekyvggQQto8PT7dL5WXXp59fkdheMtlb71cZBDzI0fmgAKhynp\n"
"VSJYACPq4xJDKVtHCN2MQWplBqjlIapBtJUhlbl90TSrE9atvNziPTnNvT51cKEY\n"
"WQPJIrSPnNVeKtelttQKbfi3QBFGmh95DmK/D5fs4C8fF5Q=\n"
"-----END CERTIFICATE-----\n"
);
return Cert;
}
////////////////////////////////////////////////////////////////////////////////
// cMojangAPI:
cMojangAPI::cMojangAPI(void) :
m_NameToUUIDServer(DEFAULT_NAME_TO_UUID_SERVER),
m_NameToUUIDAddress(DEFAULT_NAME_TO_UUID_ADDRESS)
{
}
cMojangAPI::~cMojangAPI()
{
SaveCachesToDisk();
}
void cMojangAPI::Start(cIniFile & a_SettingsIni)
{
m_NameToUUIDServer = a_SettingsIni.GetValueSet("Authentication", "NameToUUIDServer", DEFAULT_NAME_TO_UUID_SERVER);
m_NameToUUIDAddress = a_SettingsIni.GetValueSet("Authentication", "NameToUUIDAddress", DEFAULT_NAME_TO_UUID_ADDRESS);
LoadCachesFromDisk();
}
AStringVector cMojangAPI::GetUUIDsFromPlayerNames(const AStringVector & a_PlayerNames)
{
// Convert all playernames to lowercase:
AStringVector PlayerNames;
for (AStringVector::const_iterator itr = a_PlayerNames.begin(), end = a_PlayerNames.end(); itr != end; ++itr)
{
AString Lower(*itr);
PlayerNames.push_back(StrToLower(Lower));
} // for itr - a_PlayerNames[]
// Request the cache to populate any names not yet contained:
CacheNamesToUUIDs(PlayerNames);
// Retrieve from cache:
size_t idx = 0;
AStringVector res;
res.resize(PlayerNames.size());
cCSLock Lock(m_CSNameToUUID);
for (AStringVector::const_iterator itr = PlayerNames.begin(), end = PlayerNames.end(); itr != end; ++itr, ++idx)
{
cNameToUUIDMap::const_iterator itrN = m_NameToUUID.find(*itr);
if (itrN != m_NameToUUID.end())
{
res[idx] = itrN->second.m_UUID;
}
} // for itr - PlayerNames[]
return res;
}
void cMojangAPI::AddPlayerNameToUUIDMapping(const AString & a_PlayerName, const AString & a_UUID)
{
AString lcName(a_PlayerName);
Int64 Now = time(NULL);
cCSLock Lock(m_CSNameToUUID);
m_NameToUUID[StrToLower(lcName)] = sUUIDRecord(a_PlayerName, a_UUID, Now);
}
bool cMojangAPI::SecureRequest(const AString & a_ServerName, const AString & a_Request, AString & a_Response)
{
// Connect the socket:
cBlockingSslClientSocket Socket;
Socket.SetTrustedRootCertsFromString(StarfieldCACert(), a_ServerName);
if (!Socket.Connect(a_ServerName, 443))
{
LOGWARNING("%s: Can't connect to %s: %s", __FUNCTION__, a_ServerName.c_str(), Socket.GetLastErrorText().c_str());
return false;
}
if (!Socket.Send(a_Request.c_str(), a_Request.size()))
{
LOGWARNING("%s: Writing SSL data failed: %s", __FUNCTION__, Socket.GetLastErrorText().c_str());
return false;
}
// Read the HTTP response:
int ret;
unsigned char buf[1024];
for (;;)
{
ret = Socket.Receive(buf, sizeof(buf));
if ((ret == POLARSSL_ERR_NET_WANT_READ) || (ret == POLARSSL_ERR_NET_WANT_WRITE))
{
// This value should never be returned, it is handled internally by cBlockingSslClientSocket
LOGWARNING("%s: SSL reading failed internally", __FUNCTION__);
return false;
}
if (ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
{
break;
}
if (ret < 0)
{
LOGWARNING("%s: SSL reading failed: -0x%x", __FUNCTION__, -ret);
return false;
}
if (ret == 0)
{
break;
}
a_Response.append((const char *)buf, (size_t)ret);
}
Socket.Disconnect();
return true;
}
AString cMojangAPI::MakeUUIDShort(const AString & a_UUID)
{
switch (a_UUID.size())
{
case 32: return a_UUID;
case 36:
{
AString res;
// TODO
return res;
}
}
LOGWARNING("%s: Not an UUID: \"%s\".", __FUNCTION__, a_UUID.c_str());
return "";
}
AString cMojangAPI::MakeUUIDDashed(const AString & a_UUID)
{
switch (a_UUID.size())
{
case 36: return a_UUID;
case 32:
{
AString res;
// TODO
return res;
}
}
LOGWARNING("%s: Not an UUID: \"%s\".", __FUNCTION__, a_UUID.c_str());
return "";
}
void cMojangAPI::LoadCachesFromDisk(void)
{
try
{
// Open up the SQLite DB:
SQLite::Database db("NameToUUID.sqlite", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
db.exec("CREATE TABLE IF NOT EXISTS PlayerNameToUUID (PlayerName, UUID, DateTime)");
// Clean up old entries:
{
SQLite::Statement stmt(db, "DELETE FROM PlayerNameToUUID WHERE DateTime < ?");
Int64 LimitDateTime = time(NULL) - MAX_AGE;
stmt.bind(1, LimitDateTime);
stmt.exec();
}
// Retrieve all remaining entries::
SQLite::Statement stmt(db, "SELECT PlayerName, UUID, DateTime FROM PlayerNameToUUID");
while (stmt.executeStep())
{
AString PlayerName = stmt.getColumn(0);
AString UUID = stmt.getColumn(1);
Int64 DateTime = stmt.getColumn(2);
AString lcPlayerName = PlayerName;
m_NameToUUID[StrToLower(lcPlayerName)] = sUUIDRecord(PlayerName, UUID, DateTime);
}
}
catch (const SQLite::Exception & ex)
{
LOGINFO("Loading MojangAPI cache failed: %s", ex.what());
}
}
void cMojangAPI::SaveCachesToDisk(void)
{
try
{
// Open up the SQLite DB:
SQLite::Database db("NameToUUID.sqlite", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
db.exec("CREATE TABLE IF NOT EXISTS PlayerNameToUUID (PlayerName, UUID, DateTime)");
// Remove all entries:
db.exec("DELETE FROM PlayerNameToUUID");
// Save all cache entries:
SQLite::Statement stmt(db, "INSERT INTO PlayerNameToUUID(PlayerName, UUID, DateTime) VALUES (?, ?, ?)");
Int64 LimitDateTime = time(NULL) - MAX_AGE;
cCSLock Lock(m_CSNameToUUID);
for (cNameToUUIDMap::const_iterator itr = m_NameToUUID.begin(), end = m_NameToUUID.end(); itr != end; ++itr)
{
if (itr->second.m_DateTime < LimitDateTime)
{
// This item is too old, do not save
continue;
}
stmt.bind(1, itr->second.m_PlayerName);
stmt.bind(2, itr->second.m_UUID);
stmt.bind(3, itr->second.m_DateTime);
stmt.exec();
stmt.reset();
}
}
catch (const SQLite::Exception & ex)
{
LOGINFO("Saving MojangAPI cache failed: %s", ex.what());
}
}
void cMojangAPI::CacheNamesToUUIDs(const AStringVector & a_PlayerNames)
{
// Create a list of names to query, by removing those that are already cached:
AStringVector NamesToQuery;
NamesToQuery.reserve(a_PlayerNames.size());
{
cCSLock Lock(m_CSNameToUUID);
for (AStringVector::const_iterator itr = a_PlayerNames.begin(), end = a_PlayerNames.end(); itr != end; ++itr)
{
if (m_NameToUUID.find(*itr) == m_NameToUUID.end())
{
NamesToQuery.push_back(*itr);
}
} // for itr - a_PlayerNames[]
} // Lock(m_CSNameToUUID)
while (!NamesToQuery.empty())
{
// Create the request body - a JSON containing up to 100 playernames:
Json::Value root;
int Count = 0;
AStringVector::iterator itr = NamesToQuery.begin(), end = NamesToQuery.end();
for (; (itr != end) && (Count < 100); ++itr, ++Count)
{
Json::Value req(*itr);
root.append(req);
} // for itr - a_PlayerNames[]
NamesToQuery.erase(NamesToQuery.begin(), itr);
Json::FastWriter Writer;
AString RequestBody = Writer.write(root);
// Create the HTTP request:
AString Request;
Request += "POST " + m_NameToUUIDAddress + " HTTP/1.0\r\n";
Request += "Host: " + m_NameToUUIDServer + "\r\n";
Request += "User-Agent: MCServer\r\n";
Request += "Connection: close\r\n";
Request += "Content-Type: application/json\r\n";
Request += Printf("Content-Length: %u\r\n", (unsigned)RequestBody.length());
Request += "\r\n";
Request += RequestBody;
// Get the response from the server:
AString Response;
if (!SecureRequest(m_NameToUUIDServer, Request, Response))
{
continue;
}
// Check the HTTP status line:
const AString Prefix("HTTP/1.1 200 OK");
AString HexDump;
if (Response.compare(0, Prefix.size(), Prefix))
{
LOGINFO("%s failed: bad HTTP status line received", __FUNCTION__);
LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
continue;
}
// Erase the HTTP headers from the response:
size_t idxHeadersEnd = Response.find("\r\n\r\n");
if (idxHeadersEnd == AString::npos)
{
LOGINFO("%s failed: bad HTTP response header received", __FUNCTION__);
LOGD("Response: \n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
continue;
}
Response.erase(0, idxHeadersEnd + 4);
// Parse the returned string into Json:
Json::Reader reader;
if (!reader.parse(Response, root, false) || !root.isArray())
{
LOGWARNING("%s failed: Cannot parse received data (NameToUUID) to JSON!", __FUNCTION__);
LOGD("Response body:\n%s", CreateHexDump(HexDump, Response.data(), Response.size(), 16).c_str());
continue;
}
// Store the returned results into cache:
size_t JsonCount = root.size();
Int64 Now = time(NULL);
cCSLock Lock(m_CSNameToUUID);
for (size_t idx = 0; idx < JsonCount; ++idx)
{
Json::Value & Val = root[idx];
AString JsonName = Val.get("name", "").asString();
AString JsonUUID = Val.get("id", "").asString();
if (JsonUUID.empty())
{
continue;
}
AString lcName = JsonName;
m_NameToUUID[StrToLower(lcName)] = sUUIDRecord(JsonName, JsonUUID, Now);
} // for idx - root[]
} // while (!NamesToQuery.empty())
}

102
src/Protocol/MojangAPI.h Normal file
View File

@ -0,0 +1,102 @@
// MojangAPI.h
// Declares the cMojangAPI class representing the various API points provided by Mojang's webservices, and a cache for their results
#pragma once
#include <time.h>
class cMojangAPI
{
public:
cMojangAPI(void);
~cMojangAPI();
/** Initializes the API; reads the settings from the specified ini file.
Loads cached results from disk. */
void Start(cIniFile & a_SettingsIni);
/** Connects to the specified server using SSL, sends the given request and receives the response.
Checks Mojang certificates using the hard-coded Starfield root CA certificate.
Returns true if all was successful, false on failure. */
static bool SecureRequest(const AString & a_ServerName, const AString & a_Request, AString & a_Response);
/** Converts the given UUID to its short form (32 bytes, no dashes).
Logs a warning and returns empty string if not a UUID. */
static AString MakeUUIDShort(const AString & a_UUID);
/** Converts the given UUID to its dashed form (36 bytes, 4 dashes).
Logs a warning and returns empty string if not a UUID. */
static AString MakeUUIDDashed(const AString & a_UUID);
/** Converts the player names into UUIDs.
a_PlayerName[idx] will be converted to UUID and returned as idx-th value
The UUID will be empty on error.
Blocking operation, do not use in world-tick thread! */
AStringVector GetUUIDsFromPlayerNames(const AStringVector & a_PlayerName);
/** Called by the Authenticator to add a PlayerName -> UUID mapping that it has received from
authenticating a user. This adds the cache item and "refreshes" it if existing, adjusting its datetime
stamp to now. */
void AddPlayerNameToUUIDMapping(const AString & a_PlayerName, const AString & a_UUID);
protected:
struct sUUIDRecord
{
AString m_PlayerName; // Case-correct playername
AString m_UUID;
Int64 m_DateTime; // UNIXtime of the UUID lookup
sUUIDRecord(void) :
m_UUID(),
m_DateTime(time(NULL))
{
}
sUUIDRecord(const AString & a_PlayerName, const AString & a_UUID, Int64 a_DateTime) :
m_PlayerName(a_PlayerName),
m_UUID(a_UUID),
m_DateTime(a_DateTime)
{
}
};
typedef std::map<AString, sUUIDRecord> cNameToUUIDMap; // maps Lowercased PlayerName to sUUIDRecord
/** The server to connect to when converting player names to UUIDs. For example "api.mojang.com". */
AString m_NameToUUIDServer;
/** The URL to use for converting player names to UUIDs, without server part.
For example "/profiles/page/1". */
AString m_NameToUUIDAddress;
/** Cache for the Name-to-UUID lookups. The map key is expected lowercased. Protected by m_CSNameToUUID. */
cNameToUUIDMap m_NameToUUID;
/** Protects m_NameToUUID against simultaneous multi-threaded access. */
cCriticalSection m_CSNameToUUID;
/** Loads the caches from a disk storage. */
void LoadCachesFromDisk(void);
/** Saves the caches to a disk storage. */
void SaveCachesToDisk(void);
/** Makes sure all specified names are in the cache. Downloads any missing ones from Mojang API servers.
Names that are not valid are not added into the cache.
ASSUMEs that a_PlayerNames contains lowercased player names. */
void CacheNamesToUUIDs(const AStringVector & a_PlayerNames);
} ;

1
src/Root.cpp
View File

@ -145,6 +145,7 @@ void cRoot::Start(void)
}
LOG("Starting server...");
m_MojangAPI.Start(IniFile); // Mojang API needs to be started before plugins, so that plugins may use it for DB upgrades on server init
if (!m_Server->InitServer(IniFile))
{
LOGERROR("Failure starting server, aborting...");

3
src/Root.h
View File

@ -2,6 +2,7 @@
#pragma once
#include "Protocol/Authenticator.h"
#include "Protocol/MojangAPI.h"
#include "HTTPServer/HTTPServer.h"
#include "Defines.h"
@ -78,6 +79,7 @@ public:
cWebAdmin * GetWebAdmin (void) { return m_WebAdmin; } // tolua_export
cPluginManager * GetPluginManager (void) { return m_PluginManager; } // tolua_export
cAuthenticator & GetAuthenticator (void) { return m_Authenticator; }
cMojangAPI & GetMojangAPI (void) { return m_MojangAPI; }
/** Queues a console command for execution through the cServer class.
The command will be executed in the tick thread
@ -182,6 +184,7 @@ private:
cWebAdmin * m_WebAdmin;
cPluginManager * m_PluginManager;
cAuthenticator m_Authenticator;
cMojangAPI m_MojangAPI;
cHTTPServer m_HTTPServer;
cMCLogger * m_Log;