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// 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);
} ;
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