3 files changed, 424 insertions, 60 deletions

diff --git a/src/Protocol/Authenticator.cpp b/src/Protocol/Authenticator.cpp
index 160564d51..984000795 100644
--- a/src/Protocol/Authenticator.cpp
+++ b/src/Protocol/Authenticator.cpp
@@ -191,8 +191,8 @@ bool cAuthenticator::AuthWithYggdrasil(AString & a_UserName, const AString & a_S
 	a_UUID = cMojangAPI::MakeUUIDShort(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);
+	// Store the player's profile in the MojangAPI caches:
+	cRoot::Get()->GetMojangAPI().AddPlayerProfile(a_UserName, a_UUID, a_Properties);
 
 	return true;
 }
diff --git a/src/Protocol/MojangAPI.cpp b/src/Protocol/MojangAPI.cpp
index f53df1cba..9fdf07380 100644
--- a/src/Protocol/MojangAPI.cpp
+++ b/src/Protocol/MojangAPI.cpp
@@ -25,8 +25,10 @@ const int MAX_PER_QUERY = 100;
 
 
 
-#define DEFAULT_NAME_TO_UUID_SERVER "api.mojang.com"
-#define DEFAULT_NAME_TO_UUID_ADDRESS "/profiles/minecraft"
+#define DEFAULT_NAME_TO_UUID_SERVER     "api.mojang.com"
+#define DEFAULT_NAME_TO_UUID_ADDRESS    "/profiles/minecraft"
+#define DEFAULT_UUID_TO_PROFILE_SERVER  "sessionserver.mojang.com"
+#define DEFAULT_UUID_TO_PROFILE_ADDRESS "/session/minecraft/profile/%UUID%?unsigned=false"
 
 
 
@@ -97,11 +99,65 @@ static const AString & StarfieldCACert(void)
 
 
 ////////////////////////////////////////////////////////////////////////////////
+// cMojangAPI::sProfile:
+
+cMojangAPI::sProfile::sProfile(
+	const AString & a_PlayerName,
+	const AString & a_UUID,
+	const Json::Value & a_Properties,
+	Int64 a_DateTime
+) :
+	m_PlayerName(a_PlayerName),
+	m_UUID(a_UUID),
+	m_Textures(),
+	m_TexturesSignature(),
+	m_DateTime(a_DateTime)
+{
+	/*
+	Example a_Profile contents:
+	"properties":
+	[
+		{
+			"name": "textures",
+			"value": "eyJ0aW1lc3RhbXAiOjE0MDcwNzAzMjEyNzEsInByb2ZpbGVJZCI6ImIxY2FmMjQyMDJhODQxYTc4MDU1YTA3OWM0NjBlZWU3IiwicHJvZmlsZU5hbWUiOiJ4b2Z0IiwiaXNQdWJsaWMiOnRydWUsInRleHR1cmVzIjp7IlNLSU4iOnsidXJsIjoiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS9iNzc5YmFiZjVhNTg3Zjk0OGFkNjc0N2VhOTEyNzU0MjliNjg4Mjk1YWUzYzA3YmQwZTJmNWJmNGQwNTIifX19",
+			"signature": "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"
+		}
+	]
+	*/
+	
+	// Parse the Textures and TexturesSignature from the Profile:
+	if (!a_Properties.isArray())
+	{
+		// Properties is not a valid array, bail out
+		return;
+	}
+	Json::UInt Size = a_Properties.size();
+	for (Json::UInt i = 0; i < Size; i++)
+	{
+		const Json::Value & Prop = a_Properties[i];
+		AString PropName = Prop.get("name", "").asString();
+		if (PropName != "textures")
+		{
+			continue;
+		}
+		m_Textures = Prop.get("value", "").asString();
+		m_TexturesSignature = Prop.get("signature", "").asString();
+		break;
+	}  // for i - Properties[]
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
 // cMojangAPI:
 
 cMojangAPI::cMojangAPI(void) :
 	m_NameToUUIDServer(DEFAULT_NAME_TO_UUID_SERVER),
-	m_NameToUUIDAddress(DEFAULT_NAME_TO_UUID_ADDRESS)
+	m_NameToUUIDAddress(DEFAULT_NAME_TO_UUID_ADDRESS),
+	m_UUIDToProfileServer(DEFAULT_UUID_TO_PROFILE_SERVER),
+	m_UUIDToProfileAddress(DEFAULT_UUID_TO_PROFILE_ADDRESS)
 {
 }
 
@@ -120,8 +176,10 @@ cMojangAPI::~cMojangAPI()
 
 void cMojangAPI::Start(cIniFile & a_SettingsIni)
 {
-	m_NameToUUIDServer   = a_SettingsIni.GetValueSet("MojangAPI", "NameToUUIDServer",  DEFAULT_NAME_TO_UUID_SERVER);
-	m_NameToUUIDAddress  = a_SettingsIni.GetValueSet("MojangAPI", "NameToUUIDAddress", DEFAULT_NAME_TO_UUID_ADDRESS);
+	m_NameToUUIDServer     = a_SettingsIni.GetValueSet("MojangAPI", "NameToUUIDServer",     DEFAULT_NAME_TO_UUID_SERVER);
+	m_NameToUUIDAddress    = a_SettingsIni.GetValueSet("MojangAPI", "NameToUUIDAddress",    DEFAULT_NAME_TO_UUID_ADDRESS);
+	m_UUIDToProfileServer  = a_SettingsIni.GetValueSet("MojangAPI", "UUIDToProfileServer",  DEFAULT_UUID_TO_PROFILE_SERVER);
+	m_UUIDToProfileAddress = a_SettingsIni.GetValueSet("MojangAPI", "UUIDToProfileAddress", DEFAULT_UUID_TO_PROFILE_ADDRESS);
 	LoadCachesFromDisk();
 }
 
@@ -135,7 +193,7 @@ AString cMojangAPI::GetUUIDFromPlayerName(const AString & a_PlayerName, bool a_U
 	AString lcPlayerName(a_PlayerName);
 	StrToLower(lcPlayerName);
 	
-	// Request the cache to populate any names not yet contained:
+	// Request the cache to query the name if not yet cached:
 	if (!a_UseOnlyCached)
 	{
 		AStringVector PlayerNames;
@@ -144,7 +202,8 @@ AString cMojangAPI::GetUUIDFromPlayerName(const AString & a_PlayerName, bool a_U
 	}
 	
 	// Retrieve from cache:
-	cNameToUUIDMap::const_iterator itr = m_NameToUUID.find(lcPlayerName);
+	cCSLock Lock(m_CSNameToUUID);
+	cProfileMap::const_iterator itr = m_NameToUUID.find(lcPlayerName);
 	if (itr == m_NameToUUID.end())
 	{
 		// No UUID found
@@ -157,6 +216,44 @@ AString cMojangAPI::GetUUIDFromPlayerName(const AString & a_PlayerName, bool a_U
 
 
 
+AString cMojangAPI::GetPlayerNameFromUUID(const AString & a_UUID, bool a_UseOnlyCached)
+{
+	// Normalize the UUID to lowercase short format that is used as the map key:
+	AString UUID = StrToLower(MakeUUIDShort(a_UUID));
+	
+	// Retrieve from caches:
+	{
+		cCSLock Lock(m_CSUUIDToProfile);
+		cProfileMap::const_iterator itr = m_UUIDToProfile.find(UUID);
+		if (itr != m_UUIDToProfile.end())
+		{
+			return itr->second.m_PlayerName;
+		}
+	}
+	{
+		cCSLock Lock(m_CSUUIDToName);
+		cProfileMap::const_iterator itr = m_UUIDToName.find(UUID);
+		if (itr != m_UUIDToName.end())
+		{
+			return itr->second.m_PlayerName;
+		}
+	}
+
+	// Name not yet cached, request cache and retry:
+	if (!a_UseOnlyCached)
+	{
+		CacheUUIDToProfile(UUID);
+		return GetPlayerNameFromUUID(a_UUID, true);
+	}
+	
+	// No value found, none queried. Return an error:
+	return "";
+}
+
+
+
+
+
 AStringVector cMojangAPI::GetUUIDsFromPlayerNames(const AStringVector & a_PlayerNames, bool a_UseOnlyCached)
 {
 	// Convert all playernames to lowercase:
@@ -180,7 +277,7 @@ AStringVector cMojangAPI::GetUUIDsFromPlayerNames(const AStringVector & a_Player
 	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);
+		cProfileMap::const_iterator itrN = m_NameToUUID.find(*itr);
 		if (itrN != m_NameToUUID.end())
 		{
 			res[idx] = itrN->second.m_UUID;
@@ -196,10 +293,39 @@ AStringVector cMojangAPI::GetUUIDsFromPlayerNames(const AStringVector & a_Player
 void cMojangAPI::AddPlayerNameToUUIDMapping(const AString & a_PlayerName, const AString & a_UUID)
 {
 	AString lcName(a_PlayerName);
-	AString UUID = MakeUUIDShort(a_UUID);
+	AString UUID = StrToLower(MakeUUIDShort(a_UUID));
 	Int64 Now = time(NULL);
-	cCSLock Lock(m_CSNameToUUID);
-	m_NameToUUID[StrToLower(lcName)] = sUUIDRecord(a_PlayerName, UUID, Now);
+	{
+		cCSLock Lock(m_CSNameToUUID);
+		m_NameToUUID[StrToLower(lcName)] = sProfile(a_PlayerName, UUID, "", "", Now);
+	}
+	{
+		cCSLock Lock(m_CSUUIDToName);
+		m_UUIDToName[UUID] = sProfile(a_PlayerName, UUID, "", "", Now);
+	}
+}
+
+
+
+
+
+void cMojangAPI::AddPlayerProfile(const AString & a_PlayerName, const AString & a_UUID, const Json::Value & a_Properties)
+{
+	AString lcName(a_PlayerName);
+	AString UUID = StrToLower(MakeUUIDShort(a_UUID));
+	Int64 Now = time(NULL);
+	{
+		cCSLock Lock(m_CSNameToUUID);
+		m_NameToUUID[StrToLower(lcName)] = sProfile(a_PlayerName, UUID, "", "", Now);
+	}
+	{
+		cCSLock Lock(m_CSUUIDToName);
+		m_UUIDToName[UUID] = sProfile(a_PlayerName, UUID, "", "", Now);
+	}
+	{
+		cCSLock Lock(m_CSUUIDToProfile);
+		m_UUIDToProfile[UUID] = sProfile(a_PlayerName, UUID, a_Properties, Now);
+	}
 }
 
 
@@ -337,6 +463,7 @@ void cMojangAPI::LoadCachesFromDisk(void)
 		// Open up the SQLite DB:
 		SQLite::Database db("MojangAPI.sqlite", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
 		db.exec("CREATE TABLE IF NOT EXISTS PlayerNameToUUID (PlayerName, UUID, DateTime)");
+		db.exec("CREATE TABLE IF NOT EXISTS UUIDToProfile    (UUID, PlayerName, Textures, TexturesSignature, DateTime)");
 		
 		// Clean up old entries:
 		{
@@ -345,16 +472,40 @@ void cMojangAPI::LoadCachesFromDisk(void)
 			stmt.bind(1, LimitDateTime);
 			stmt.exec();
 		}
+		{
+			SQLite::Statement stmt(db, "DELETE FROM UUIDToProfile 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())
+		// 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;
+				UUID = StrToLower(MakeUUIDShort(UUID));
+				m_NameToUUID[StrToLower(lcPlayerName)] = sProfile(PlayerName, UUID, "", "", DateTime);
+				m_UUIDToName[UUID] = sProfile(PlayerName, UUID, "", "", DateTime);
+			}
+		}
 		{
-			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);
+			SQLite::Statement stmt(db, "SELECT PlayerName, UUID, Textures, TexturesSignature, DateTime FROM UUIDToProfile");
+			while (stmt.executeStep())
+			{
+				AString PlayerName        = stmt.getColumn(0);
+				AString UUID              = stmt.getColumn(1);
+				AString Textures          = stmt.getColumn(2);
+				AString TexturesSignature = stmt.getColumn(2);
+				Int64 DateTime            = stmt.getColumn(4);
+				AString lcPlayerName = PlayerName;
+				UUID = StrToLower(MakeUUIDShort(UUID));
+				m_UUIDToProfile[StrToLower(lcPlayerName)] = sProfile(PlayerName, UUID, Textures, TexturesSignature, DateTime);
+			}
 		}
 	}
 	catch (const SQLite::Exception & ex)
@@ -374,26 +525,51 @@ void cMojangAPI::SaveCachesToDisk(void)
 		// Open up the SQLite DB:
 		SQLite::Database db("MojangAPI.sqlite", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
 		db.exec("CREATE TABLE IF NOT EXISTS PlayerNameToUUID (PlayerName, UUID, DateTime)");
+		db.exec("CREATE TABLE IF NOT EXISTS UUIDToProfile (UUID, PlayerName, Textures, TexturesSignature, DateTime)");
 		
 		// Remove all entries:
 		db.exec("DELETE FROM PlayerNameToUUID");
+		db.exec("DELETE FROM UUIDToProfile");
 		
-		// Save all cache entries:
-		SQLite::Statement stmt(db, "INSERT INTO PlayerNameToUUID(PlayerName, UUID, DateTime) VALUES (?, ?, ?)");
+		// Save all cache entries - m_PlayerNameToUUID:
 		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)
+			SQLite::Statement stmt(db, "INSERT INTO PlayerNameToUUID(PlayerName, UUID, DateTime) VALUES (?, ?, ?)");
+			cCSLock Lock(m_CSNameToUUID);
+			for (cProfileMap::const_iterator itr = m_NameToUUID.begin(), end = m_NameToUUID.end(); itr != end; ++itr)
 			{
-				// This item is too old, do not save
-				continue;
+				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();
+			}
+		}
+
+		// Save all cache entries - m_UUIDToProfile:
+		{
+			SQLite::Statement stmt(db, "INSERT INTO UUIDToProfile(UUID, PlayerName, Textures, TexturesSignature, DateTime) VALUES (?, ?, ?, ?, ?)");
+			cCSLock Lock(m_CSUUIDToProfile);
+			for (cProfileMap::const_iterator itr = m_UUIDToProfile.begin(), end = m_UUIDToProfile.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_UUID);
+				stmt.bind(2, itr->second.m_PlayerName);
+				stmt.bind(3, itr->second.m_Textures);
+				stmt.bind(4, itr->second.m_TexturesSignature);
+				stmt.bind(5, itr->second.m_DateTime);
+				stmt.exec();
+				stmt.reset();
 			}
-			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)
@@ -487,22 +663,145 @@ void cMojangAPI::CacheNamesToUUIDs(const AStringVector & a_PlayerNames)
 		// 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 = MakeUUIDShort(Val.get("id", "").asString());
-			if (JsonUUID.empty())
+			cCSLock Lock(m_CSNameToUUID);
+			for (size_t idx = 0; idx < JsonCount; ++idx)
 			{
-				continue;
-			}
-			AString lcName = JsonName;
-			m_NameToUUID[StrToLower(lcName)] = sUUIDRecord(JsonName, JsonUUID, Now);
-		}  // for idx - root[]
+				Json::Value & Val = root[idx];
+				AString JsonName = Val.get("name", "").asString();
+				AString JsonUUID = StrToLower(MakeUUIDShort(Val.get("id", "").asString()));
+				if (JsonUUID.empty())
+				{
+					continue;
+				}
+				AString lcName = JsonName;
+				m_NameToUUID[StrToLower(lcName)] = sProfile(JsonName, JsonUUID, "", "", Now);
+			}  // for idx - root[]
+		}  // cCSLock (m_CSNameToUUID)
+		
+		// Also cache the UUIDToName:
+		{
+			cCSLock Lock(m_CSUUIDToName);
+			for (size_t idx = 0; idx < JsonCount; ++idx)
+			{
+				Json::Value & Val = root[idx];
+				AString JsonName = Val.get("name", "").asString();
+				AString JsonUUID = StrToLower(MakeUUIDShort(Val.get("id", "").asString()));
+				if (JsonUUID.empty())
+				{
+					continue;
+				}
+				m_UUIDToName[JsonUUID] = sProfile(JsonName, JsonUUID, "", "", Now);
+			}  // for idx - root[]
+		}
 	}  // while (!NamesToQuery.empty())
 }
 
 
 
 
+
+void cMojangAPI::CacheUUIDToProfile(const AString & a_UUID)
+{
+	ASSERT(a_UUID.size() == 32);
+	
+	// Check if already present:
+	{
+		if (m_UUIDToProfile.find(a_UUID) != m_UUIDToProfile.end())
+		{
+			return;
+		}
+	}
+	
+	// Create the request address:
+	AString Address = m_UUIDToProfileAddress;
+	ReplaceString(Address, "%UUID%", a_UUID);
+	
+	// Create the HTTP request:
+	AString Request;
+	Request += "GET " + Address + " HTTP/1.0\r\n";  // We need to use HTTP 1.0 because we don't handle Chunked transfer encoding
+	Request += "Host: " + m_UUIDToProfileServer + "\r\n";
+	Request += "User-Agent: MCServer\r\n";
+	Request += "Connection: close\r\n";
+	Request += "Content-Length: 0\r\n";
+	Request += "\r\n";
+
+	// Get the response from the server:
+	AString Response;
+	if (!SecureRequest(m_UUIDToProfileServer, Request, Response))
+	{
+		return;
+	}
+
+	// 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;
+	}
+
+	// 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;
+	}
+	Response.erase(0, idxHeadersEnd + 4);
+	
+	// Parse the returned string into Json:
+	Json::Reader reader;
+	Json::Value root;
+	if (!reader.parse(Response, root, false) || !root.isObject())
+	{
+		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;
+	}
+
+	/* Example response:
+	{
+		"id": "b1caf24202a841a78055a079c460eee7",
+		"name": "xoft",
+		"properties":
+		[
+			{
+				"name": "textures",
+				"value": "eyJ0aW1lc3RhbXAiOjE0MDcwNzAzMjEyNzEsInByb2ZpbGVJZCI6ImIxY2FmMjQyMDJhODQxYTc4MDU1YTA3OWM0NjBlZWU3IiwicHJvZmlsZU5hbWUiOiJ4b2Z0IiwiaXNQdWJsaWMiOnRydWUsInRleHR1cmVzIjp7IlNLSU4iOnsidXJsIjoiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS9iNzc5YmFiZjVhNTg3Zjk0OGFkNjc0N2VhOTEyNzU0MjliNjg4Mjk1YWUzYzA3YmQwZTJmNWJmNGQwNTIifX19",
+				"signature": "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"
+			}
+		]
+	}
+	*/
+
+	// Store the returned result into caches:
+	AString PlayerName = root.get("name", "").asString();
+	if (PlayerName.empty())
+	{
+		// No valid playername, bail out
+		return;
+	}
+	Json::Value Properties = root.get("properties", "");
+	Int64 Now = time(NULL);
+	{
+		cCSLock Lock(m_CSUUIDToProfile);
+		m_UUIDToProfile[a_UUID] = sProfile(PlayerName, a_UUID, Properties, Now);
+	}
+	{
+		cCSLock Lock(m_CSUUIDToName);
+		m_UUIDToName[a_UUID] = sProfile(PlayerName, a_UUID, Properties, Now);
+	}
+	{
+		AString lcPlayerName(PlayerName);
+		cCSLock Lock(m_CSNameToUUID);
+		m_NameToUUID[StrToLower(lcPlayerName)] = sProfile(PlayerName, a_UUID, Properties, Now);
+	}
+}
+
+
+
+
diff --git a/src/Protocol/MojangAPI.h b/src/Protocol/MojangAPI.h
index 7f3ef4e39..08e799c73 100644
--- a/src/Protocol/MojangAPI.h
+++ b/src/Protocol/MojangAPI.h
@@ -11,6 +11,11 @@
 
 #include <time.h>
 
+namespace Json
+{
+	class Value;
+}
+
 
 
 
@@ -45,14 +50,24 @@ public:
 	Note: only checks the string's length, not the actual content. */
 	static AString MakeUUIDDashed(const AString & a_UUID);
 
+	// tolua_end
+	
 	/** Converts a player name into a UUID.
 	The UUID will be empty on error.
 	If a_UseOnlyCached is true, the function only consults the cached values.
 	If a_UseOnlyCached is false and the name is not found in the cache, it is looked up online, which is a blocking
-	operation, do not use this in world-tick thread! */
+	operation, do not use this in world-tick thread!
+	If you have multiple names to resolve, use the GetUUIDsFromPlayerNames() function, it uses a single request for multiple names. */
 	AString GetUUIDFromPlayerName(const AString & a_PlayerName, bool a_UseOnlyCached = false);
 	
-	// tolua_end
+	/** Converts a UUID into a playername.
+	The returned playername will be empty on error.
+	Both short and dashed UUID formats are accepted.
+	Uses both m_UUIDToName and m_UUIDToProfile to search for the value. Uses m_UUIDToProfile for cache.
+	If a_UseOnlyCached is true, the function only consults the cached values.
+	If a_UseOnlyCached is false and the name is not found in the cache, it is looked up online, which is a blocking
+	operation, do not use this in world-tick thread! */
+	AString GetPlayerNameFromUUID(const AString & a_UUID, bool a_UseOnlyCached = false);
 	
 	/** Converts the player names into UUIDs.
 	a_PlayerName[idx] will be converted to UUID and returned as idx-th value
@@ -62,36 +77,61 @@ public:
 	operation, do not use this in world-tick thread! */
 	AStringVector GetUUIDsFromPlayerNames(const AStringVector & a_PlayerName, bool a_UseOnlyCached = false);
 	
-	// tolua_begin
-	
 	/** 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);
 	
-	// tolua_end
-
+	/** Called by the Authenticator to add a profile that it has received from authenticating a user. Adds
+	the profile to the respective mapping caches and updtes their datetime stamp to now. */
+	void AddPlayerProfile(const AString & a_PlayerName, const AString & a_UUID, const Json::Value & a_Properties);
+	
 protected:
-	struct sUUIDRecord
+	/** Holds data for a single player profile. */
+	struct sProfile
 	{
-		AString m_PlayerName;  // Case-correct playername
-		AString m_UUID;
-		Int64   m_DateTime;  // UNIXtime of the UUID lookup
+		AString m_PlayerName;         // Case-correct playername
+		AString m_UUID;               // Short lowercased UUID
+		AString m_Textures;           // The Textures field of the profile properties
+		AString m_TexturesSignature;  // The signature of the Textures field of the profile properties
+		Int64   m_DateTime;           // UNIXtime of the profile lookup
 		
-		sUUIDRecord(void) :
+		/** Default constructor for the container's sake. */
+		sProfile(void) :
+			m_PlayerName(),
 			m_UUID(),
+			m_Textures(),
+			m_TexturesSignature(),
 			m_DateTime(time(NULL))
 		{
 		}
 		
-		sUUIDRecord(const AString & a_PlayerName, const AString & a_UUID, Int64 a_DateTime) :
+		/** Constructor for the storage creation. */
+		sProfile(
+			const AString & a_PlayerName,
+			const AString & a_UUID,
+			const AString & a_Textures,
+			const AString & a_TexturesSignature,
+			Int64 a_DateTime
+		) :
 			m_PlayerName(a_PlayerName),
 			m_UUID(a_UUID),
+			m_Textures(a_Textures),
+			m_TexturesSignature(a_TexturesSignature),
 			m_DateTime(a_DateTime)
 		{
 		}
+		
+		/** Constructor that parses the values from the Json profile. */
+		sProfile(
+			const AString & a_PlayerName,
+			const AString & a_UUID,
+			const Json::Value & a_Properties,
+			Int64 a_DateTime
+		);
 	};
-	typedef std::map<AString, sUUIDRecord> cNameToUUIDMap;  // maps Lowercased PlayerName to sUUIDRecord
+	typedef std::map<AString, sProfile> cProfileMap;
+
 	
 	/** The server to connect to when converting player names to UUIDs. For example "api.mojang.com". */
 	AString m_NameToUUIDServer;
@@ -100,12 +140,32 @@ protected:
 	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;
+	/** The server to connect to when converting UUID to profile. For example "sessionserver.mojang.com". */
+	AString m_UUIDToProfileServer;
+	
+	/** The URL to use for converting UUID to profile, without the server part.
+	Will replace %UUID% with the actual UUID. For example "session/minecraft/profile/%UUID%?unsigned=false". */
+	AString m_UUIDToProfileAddress;
+	
+	/** Cache for the Name-to-UUID lookups. The map key is lowercased PlayerName. Protected by m_CSNameToUUID. */
+	cProfileMap m_NameToUUID;
 	
 	/** Protects m_NameToUUID against simultaneous multi-threaded access. */
 	cCriticalSection m_CSNameToUUID;
 	
+	/** Cache for the Name-to-UUID lookups. The map key is lowercased short UUID. Protected by m_CSUUIDToName. */
+	cProfileMap m_UUIDToName;
+	
+	/** Protects m_UUIDToName against simultaneous multi-threaded access. */
+	cCriticalSection m_CSUUIDToName;
+	
+	/** Cache for the UUID-to-profile lookups. The map key is lowercased short UUID.
+	Protected by m_CSUUIDToProfile. */
+	cProfileMap m_UUIDToProfile;
+	
+	/** Protects m_UUIDToProfile against simultaneous multi-threaded access. */
+	cCriticalSection m_CSUUIDToProfile;
+	
 	
 	/** Loads the caches from a disk storage. */
 	void LoadCachesFromDisk(void);
@@ -113,10 +173,15 @@ protected:
 	/** 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.
+	/** Makes sure all specified names are in the m_PlayerNameToUUID 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);
+	
+	/** Makes sure the specified UUID is in the m_UUIDToProfile cache. If missing, downloads it from Mojang API servers.
+	UUIDs that are not valid will not be added into the cache.
+	ASSUMEs that a_UUID is a lowercased short UUID. */
+	void CacheUUIDToProfile(const AString & a_UUID);
 } ;  // tolua_export