private static boolean isValid(YggdrasilUserAuthentication authentication) {
boolean ret = true;
if (!authentication.isLoggedIn()) {
Logger.logDebug("authentication not valid");
ret = false;
}
if (authentication.getAuthenticatedToken() == null) {
Logger.logDebug("authentication not valid");
ret = false;
}
if (authentication.getSelectedProfile() == null) {
Logger.logDebug("authentication not valid");
ret = false;
}
return ret;
}
private Session createSession(String username, String password) {
final YggdrasilAuthenticationService service =
new YggdrasilAuthenticationService(Proxy.NO_PROXY, "");
final YggdrasilUserAuthentication auth =
(YggdrasilUserAuthentication) service.createUserAuthentication(Agent.MINECRAFT);
auth.setUsername(username);
auth.setPassword(password);
try {
auth.logIn();
return new Session(
auth.getSelectedProfile().getName(),
auth.getSelectedProfile().getId().toString(),
auth.getAuthenticatedToken(),
"mojang");
} catch (AuthenticationException e) {
status = "\247cLogin failed.";
return null;
}
}
protected static LoginResponse authenticateWithAuthlib(
String user, String pass, String mojangData, String selectedProfileName) {
String displayName;
boolean hasMojangData = false;
boolean hasPassword = false;
GameProfile selectedProfile = null;
YggdrasilUserAuthentication authentication =
(YggdrasilUserAuthentication)
new YggdrasilAuthenticationService(Proxy.NO_PROXY, "1")
.createUserAuthentication(Agent.MINECRAFT);
if (user != null) {
Logger.logDebug(
user.contains("@")
? "Email address given"
: "Username given" + " Not 100% sure, mojangdata might contain different username");
Logger.logInfo("Beginning authlib authentication attempt");
Logger.logInfo("successfully created YggdrasilAuthenticationService");
authentication.setUsername(user);
if (pass != null && !pass.isEmpty()) {
authentication.setPassword(pass);
hasPassword = true;
}
if (mojangData != null && !mojangData.isEmpty()) {
Logger.logDebug("mojangData was passed to current method");
Map<String, Object> m = decode(mojangData);
if (m != null) {
Logger.logDebug("Loading mojangData into authlib");
authentication.loadFromStorage(m);
hasMojangData = true;
}
} else {
Logger.logDebug("mojangData is null or empty");
}
if (authentication.canLogIn()) {
try {
authentication.logIn();
} catch (UserMigratedException e) {
Logger.logError(e.toString());
ErrorUtils.tossError(
"Invalid credentials, please make sure to login with your Mojang account.");
return null;
} catch (InvalidCredentialsException e) {
Logger.logError("Invalid credentials recieved for user: "******"Invalid username or password.");
return null;
}
} catch (AuthenticationUnavailableException e) {
Logger.logDebug("Error while authenticating, trying offline mode");
if (hasMojangData) {
// if the UUID is valid we can proceed to offline mode later
uniqueID = authentication.getSelectedProfile().getId().toString();
if (uniqueID != null && !uniqueID.isEmpty()) Logger.logDebug("Setting UUID");
UserManager.setUUID(user, uniqueID);
}
if (uniqueID != null && !uniqueID.isEmpty()) {
UserManager.setUUID(user, uniqueID);
Logger.logDebug("Setting UUID and creating and returning new LoginResponse");
return new LoginResponse(
Integer.toString(authentication.getAgent().getVersion()),
"token",
user,
null,
uniqueID,
authentication);
}
ErrorUtils.tossError(
"Exception occurred, minecraft servers might be down. Check @ help.mojang.com");
Logger.logDebug("failed", e);
Logger.logDebug("AuthenticationUnavailableException caused by", e.getCause());
return null;
} catch (AuthenticationException e) {
Logger.logError("Unknown error from authlib:", e);
} catch (Exception e) {
Logger.logError("Unknown authentication error occurred", e);
}
} else {
Logger.logDebug("authentication.canLogIn() returned false");
}
if (isValid(authentication)) {
Logger.logDebug("Authentication is valid ");
displayName = authentication.getSelectedProfile().getName();
if ((authentication.isLoggedIn()) && (authentication.canPlayOnline())) {
Logger.logDebug("loggedIn() && CanPlayOnline()");
if ((authentication instanceof YggdrasilUserAuthentication)) {
UserManager.setStore(user, encode(authentication.saveForStorage()));
UserManager.setUUID(
user,
authentication
.getSelectedProfile()
.getId()
.toString()); // enables use of offline mode later if needed on newer MC
// Versions
Logger.logDebug("Authentication done, returning LoginResponse");
return new LoginResponse(
Integer.toString(authentication.getAgent().getVersion()),
"token",
displayName,
authentication.getAuthenticatedToken(),
authentication.getSelectedProfile().getId().toString(),
authentication);
}
}
Logger.logDebug(
"this should never happen: isLoggedIn: "
+ authentication.isLoggedIn()
+ " canPlayOnline(): "
+ authentication.canPlayOnline());
} else if (authentication.getSelectedProfile() == null
&& (authentication.getAvailableProfiles() != null
&& authentication.getAvailableProfiles().length != 0)) {
// user has more than one profile
Logger.logDebug("User has more than one profile: " + toString(authentication));
for (GameProfile profile : authentication.getAvailableProfiles()) {
if (selectedProfileName.equals(profile.getName())) {
Logger.logInfo("Selected profile: " + profile.getName());
selectedProfile = profile;
}
}
if (selectedProfile == null) {
Logger.logInfo("Profile not found, defaulting to first");
selectedProfile = authentication.getAvailableProfiles()[0];
}
Logger.logDebug("Authentication done, returning LoginResponse");
return new LoginResponse(
Integer.toString(authentication.getAgent().getVersion()),
"token",
selectedProfile.getName(),
authentication.getAuthenticatedToken(),
selectedProfile.getId().toString(),
authentication);
} else if (authentication.getSelectedProfile() == null
&& (authentication.getAvailableProfiles() != null
&& authentication.getAvailableProfiles().length == 0)) {
Logger.logDebug("No profiles in mojang account: " + toString(authentication));
ErrorUtils.showClickableMessage(
"You need to own minecraft to play FTB Modpacks",
"https://help.mojang.com/customer/portal/articles/1218766-can-only-play-minecraft-demo");
return null;
} else {
Logger.logDebug("this should never happen: " + toString(authentication));
}
} else {
Logger.logDebug("this should never happen");
}
if (hasMojangData) {
Logger.logError(
"Failed to authenticate with mojang data, attempting to use username & password");
if (!hasPassword) {
new PasswordDialog(LaunchFrame.getInstance(), true).setVisible(true);
if (LaunchFrame.tempPass.isEmpty()) return null;
pass = LaunchFrame.tempPass;
}
LoginResponse l = authenticateWithAuthlib(user, pass, null, selectedProfileName);
if (l == null) {
Logger.logError("Failed to login with username & password");
return null;
} else {
Logger.logDebug("authentication ready, returning LoginResponse from authlib");
return l;
}
}
Logger.logError("Failed to authenticate");
return null;
}