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; }