public SkinData downloadSkinFromApi(UUID ownerUUID) {
// unsigned is needed in order to receive the signature
String uuidStrip = ownerUUID.toString().replace("-", "");
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(MCAPI_SKIN_URL + uuidStrip);
BufferedReader reader =
new BufferedReader(new InputStreamReader(httpConnection.getInputStream()));
McApiProfile profile = gson.fromJson(reader.readLine(), McApiProfile.class);
ApiPropertiesModel properties = profile.getProperties();
if (properties != null && properties.getRaw().length > 0) {
RawPropertiesModel propertiesModel = properties.getRaw()[0];
// base64 encoded skin data
String encodedSkin = propertiesModel.getValue();
String signature = propertiesModel.getSignature();
SkinData skinData = new SkinData(encodedSkin, signature);
return skinData;
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried downloading skin data from Mojang", ex);
}
return null;
}
public UUID getUUID(String playerName) throws NotPremiumException, RateLimitException {
logger.log(Level.FINE, "Making UUID->Name request for {0}", playerName);
if (!playerName.matches(VALID_USERNAME)) {
throw new NotPremiumException(playerName);
}
if (requests.size() >= rateLimit
|| System.currentTimeMillis() - lastRateLimit < 1_000 * 60 * 10) {
// logger.fine("STILL WAITING FOR RATE_LIMIT - TRYING SECOND API");
return getUUIDFromAPI(playerName);
}
requests.put(new Object(), new Object());
BufferedReader reader = null;
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(UUID_URL + playerName);
if (httpConnection.getResponseCode() == HttpURLConnection.HTTP_NO_CONTENT) {
throw new NotPremiumException(playerName);
} else if (httpConnection.getResponseCode() == RATE_LIMIT_ID) {
logger.info("RATE_LIMIT REACHED - TRYING THIRD-PARTY API");
lastRateLimit = System.currentTimeMillis();
return getUUIDFromAPI(playerName);
}
InputStreamReader inputReader = new InputStreamReader(httpConnection.getInputStream());
reader = new BufferedReader(inputReader);
String line = reader.readLine();
if (line != null && !line.equals("null")) {
PlayerProfile playerProfile = gson.fromJson(line, PlayerProfile.class);
String id = playerProfile.getId();
return ChangeSkinCore.parseId(id);
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried converting player name to uuid", ex);
} finally {
ChangeSkinCore.closeQuietly(reader, logger);
}
return null;
}
public UUID getUUIDFromAPI(String playerName) throws NotPremiumException {
InputStreamReader inputReader = null;
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(MCAPI_UUID_URL + playerName);
inputReader = new InputStreamReader(httpConnection.getInputStream());
String line = CharStreams.toString(inputReader);
if (line != null && !line.equals("null")) {
PlayerProfile playerProfile = gson.fromJson(line, PlayerProfile[].class)[0];
String id = playerProfile.getId();
if (id == null || id.equalsIgnoreCase("null")) {
throw new NotPremiumException(line);
}
return ChangeSkinCore.parseId(id);
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried converting player name to uuid from third-party api", ex);
} finally {
ChangeSkinCore.closeQuietly(inputReader, logger);
}
return null;
}
public SkinData downloadSkin(UUID ownerUUID) {
if (crackedUUID.containsKey(ownerUUID)) {
return null;
}
if (mojangDownload) {
return downloadSkinFromApi(ownerUUID);
}
// unsigned is needed in order to receive the signature
String uuidString = ownerUUID.toString().replace("-", "") + "?unsigned=false";
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(SKIN_URL + uuidString);
BufferedReader reader =
new BufferedReader(new InputStreamReader(httpConnection.getInputStream()));
String line = reader.readLine();
if (line == null || line.equals("null")) {
crackedUUID.put(ownerUUID, new Object());
} else {
TexturesModel texturesModel = gson.fromJson(line, TexturesModel.class);
PropertiesModel[] properties = texturesModel.getProperties();
if (properties != null && properties.length > 0) {
PropertiesModel propertiesModel = properties[0];
// base64 encoded skin data
String encodedSkin = propertiesModel.getValue();
String signature = propertiesModel.getSignature();
SkinData skinData = new SkinData(encodedSkin, signature);
return skinData;
}
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried downloading skin data from Mojang", ex);
}
return null;
}
public class MojangSkinApi {
private static final String SKIN_URL =
"https://sessionserver.mojang.com/session/minecraft/profile/";
private static final String MCAPI_SKIN_URL = "https://mcapi.de/api/user/";
private static final String UUID_URL = "https://api.mojang.com/users/profiles/minecraft/";
private static final String MCAPI_UUID_URL = "https://mcapi.ca/uuid/player/";
private static final String VALID_USERNAME = "******";
private static final int RATE_LIMIT_ID = 429;
private final Gson gson = new Gson();
private final ConcurrentMap<Object, Object> requests;
private final Logger logger;
private final int rateLimit;
private final boolean mojangDownload;
private final ConcurrentMap<UUID, Object> crackedUUID = ChangeSkinCore.buildCache(60, -1);
private long lastRateLimit;
public MojangSkinApi(
ConcurrentMap<Object, Object> requests,
Logger logger,
int rateLimit,
boolean mojangDownload) {
this.requests = requests;
this.rateLimit = rateLimit;
this.logger = logger;
this.mojangDownload = mojangDownload;
}
public UUID getUUID(String playerName) throws NotPremiumException, RateLimitException {
logger.log(Level.FINE, "Making UUID->Name request for {0}", playerName);
if (!playerName.matches(VALID_USERNAME)) {
throw new NotPremiumException(playerName);
}
if (requests.size() >= rateLimit
|| System.currentTimeMillis() - lastRateLimit < 1_000 * 60 * 10) {
// logger.fine("STILL WAITING FOR RATE_LIMIT - TRYING SECOND API");
return getUUIDFromAPI(playerName);
}
requests.put(new Object(), new Object());
BufferedReader reader = null;
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(UUID_URL + playerName);
if (httpConnection.getResponseCode() == HttpURLConnection.HTTP_NO_CONTENT) {
throw new NotPremiumException(playerName);
} else if (httpConnection.getResponseCode() == RATE_LIMIT_ID) {
logger.info("RATE_LIMIT REACHED - TRYING THIRD-PARTY API");
lastRateLimit = System.currentTimeMillis();
return getUUIDFromAPI(playerName);
}
InputStreamReader inputReader = new InputStreamReader(httpConnection.getInputStream());
reader = new BufferedReader(inputReader);
String line = reader.readLine();
if (line != null && !line.equals("null")) {
PlayerProfile playerProfile = gson.fromJson(line, PlayerProfile.class);
String id = playerProfile.getId();
return ChangeSkinCore.parseId(id);
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried converting player name to uuid", ex);
} finally {
ChangeSkinCore.closeQuietly(reader, logger);
}
return null;
}
public UUID getUUIDFromAPI(String playerName) throws NotPremiumException {
InputStreamReader inputReader = null;
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(MCAPI_UUID_URL + playerName);
inputReader = new InputStreamReader(httpConnection.getInputStream());
String line = CharStreams.toString(inputReader);
if (line != null && !line.equals("null")) {
PlayerProfile playerProfile = gson.fromJson(line, PlayerProfile[].class)[0];
String id = playerProfile.getId();
if (id == null || id.equalsIgnoreCase("null")) {
throw new NotPremiumException(line);
}
return ChangeSkinCore.parseId(id);
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried converting player name to uuid from third-party api", ex);
} finally {
ChangeSkinCore.closeQuietly(inputReader, logger);
}
return null;
}
public SkinData downloadSkin(UUID ownerUUID) {
if (crackedUUID.containsKey(ownerUUID)) {
return null;
}
if (mojangDownload) {
return downloadSkinFromApi(ownerUUID);
}
// unsigned is needed in order to receive the signature
String uuidString = ownerUUID.toString().replace("-", "") + "?unsigned=false";
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(SKIN_URL + uuidString);
BufferedReader reader =
new BufferedReader(new InputStreamReader(httpConnection.getInputStream()));
String line = reader.readLine();
if (line == null || line.equals("null")) {
crackedUUID.put(ownerUUID, new Object());
} else {
TexturesModel texturesModel = gson.fromJson(line, TexturesModel.class);
PropertiesModel[] properties = texturesModel.getProperties();
if (properties != null && properties.length > 0) {
PropertiesModel propertiesModel = properties[0];
// base64 encoded skin data
String encodedSkin = propertiesModel.getValue();
String signature = propertiesModel.getSignature();
SkinData skinData = new SkinData(encodedSkin, signature);
return skinData;
}
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried downloading skin data from Mojang", ex);
}
return null;
}
public SkinData downloadSkinFromApi(UUID ownerUUID) {
// unsigned is needed in order to receive the signature
String uuidStrip = ownerUUID.toString().replace("-", "");
try {
HttpURLConnection httpConnection = ChangeSkinCore.getConnection(MCAPI_SKIN_URL + uuidStrip);
BufferedReader reader =
new BufferedReader(new InputStreamReader(httpConnection.getInputStream()));
McApiProfile profile = gson.fromJson(reader.readLine(), McApiProfile.class);
ApiPropertiesModel properties = profile.getProperties();
if (properties != null && properties.getRaw().length > 0) {
RawPropertiesModel propertiesModel = properties.getRaw()[0];
// base64 encoded skin data
String encodedSkin = propertiesModel.getValue();
String signature = propertiesModel.getSignature();
SkinData skinData = new SkinData(encodedSkin, signature);
return skinData;
}
} catch (IOException | JsonParseException ex) {
logger.log(Level.SEVERE, "Tried downloading skin data from Mojang", ex);
}
return null;
}
}