public final String getNameFromUuid(@NonNull UUID player, boolean expensiveLookups) {
// If the player is online, give them their UUID.
// Remember, local data > remote data.
if (ProxyServer.getInstance().getPlayer(player) != null)
return ProxyServer.getInstance().getPlayer(player).getName();
// Check if it exists in the map
CachedUUIDEntry cachedUUIDEntry = uuidToNameMap.get(player);
if (cachedUUIDEntry != null) {
if (!cachedUUIDEntry.expired()) return cachedUUIDEntry.getName();
else uuidToNameMap.remove(player);
}
// Okay, it wasn't locally cached. Let's try Redis.
try (Jedis jedis = plugin.getPool().getResource()) {
String stored = jedis.hget("uuid-cache", player.toString());
if (stored != null) {
// Found an entry value. Deserialize it.
CachedUUIDEntry entry = RedisBungee.getGson().fromJson(stored, CachedUUIDEntry.class);
// Check for expiry:
if (entry.expired()) {
jedis.hdel("uuid-cache", player.toString());
// Doesn't hurt to also remove the named entry as well.
// TODO: Since UUIDs are fixed, we could look up the name and see if the UUID matches.
jedis.hdel("uuid-cache", entry.getName());
} else {
nameToUuidMap.put(entry.getName().toLowerCase(), entry);
uuidToNameMap.put(player, entry);
return entry.getName();
}
}
if (!expensiveLookups || !ProxyServer.getInstance().getConfig().isOnlineMode()) return null;
// That didn't work. Let's ask Mojang. This call may fail, because Mojang is insane.
String name;
try {
List<String> nameHist = NameFetcher.nameHistoryFromUuid(player);
name = Iterables.getLast(nameHist, null);
} catch (Exception e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch name from Mojang for " + player, e);
return null;
}
if (name != null) {
persistInfo(name, player, jedis);
return name;
}
return null;
} catch (JedisException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch name for " + player, e);
return null;
}
}
public final UUID getTranslatedUuid(@NonNull String player, boolean expensiveLookups) {
// If the player is online, give them their UUID.
// Remember, local data > remote data.
if (ProxyServer.getInstance().getPlayer(player) != null)
return ProxyServer.getInstance().getPlayer(player).getUniqueId();
// Check if it exists in the map
CachedUUIDEntry cachedUUIDEntry = nameToUuidMap.get(player.toLowerCase());
if (cachedUUIDEntry != null) {
if (!cachedUUIDEntry.expired()) return cachedUUIDEntry.getUuid();
else nameToUuidMap.remove(player);
}
// Check if we can exit early
if (UUID_PATTERN.matcher(player).find()) {
return UUID.fromString(player);
}
if (MOJANGIAN_UUID_PATTERN.matcher(player).find()) {
// Reconstruct the UUID
return UUIDFetcher.getUUID(player);
}
// If we are in offline mode, UUID generation is simple.
// We don't even have to cache the UUID, since this is easy to recalculate.
if (!plugin.getProxy().getConfig().isOnlineMode()) {
return UUID.nameUUIDFromBytes(("OfflinePlayer:" + player).getBytes(Charsets.UTF_8));
}
// Let's try Redis.
try (Jedis jedis = plugin.getPool().getResource()) {
String stored = jedis.hget("uuid-cache", player.toLowerCase());
if (stored != null) {
// Found an entry value. Deserialize it.
CachedUUIDEntry entry = RedisBungee.getGson().fromJson(stored, CachedUUIDEntry.class);
// Check for expiry:
if (entry.expired()) {
jedis.hdel("uuid-cache", player.toLowerCase());
// Doesn't hurt to also remove the UUID entry as well.
jedis.hdel("uuid-cache", entry.getUuid().toString());
} else {
nameToUuidMap.put(player.toLowerCase(), entry);
uuidToNameMap.put(entry.getUuid(), entry);
return entry.getUuid();
}
}
// That didn't work. Let's ask Mojang.
if (!expensiveLookups || !ProxyServer.getInstance().getConfig().isOnlineMode()) return null;
Map<String, UUID> uuidMap1;
try {
uuidMap1 = new UUIDFetcher(Collections.singletonList(player)).call();
} catch (Exception e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch UUID from Mojang for " + player, e);
return null;
}
for (Map.Entry<String, UUID> entry : uuidMap1.entrySet()) {
if (entry.getKey().equalsIgnoreCase(player)) {
persistInfo(entry.getKey(), entry.getValue(), jedis);
return entry.getValue();
}
}
} catch (JedisException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch UUID for " + player, e);
}
return null; // Nope, game over!
}
public final void persistInfo(String name, UUID uuid, Pipeline jedis) {
addToMaps(name, uuid);
String json = RedisBungee.getGson().toJson(uuidToNameMap.get(uuid));
jedis.hmset("uuid-cache", ImmutableMap.of(name, json, uuid.toString(), json));
}