Examples of javax.security.auth.login.FailedLoginException

javax.security.auth.login.FailedLoginException
Signals that user authentication failed.
This exception is thrown by LoginModules if authentication failed. For example, a {@code LoginModule} throws this exception ifthe user entered an incorrect password.

            synchronized (userData) {
                history = (LoginHistory) userData.get(username);
            }
            if(history != null && !history.isLoginAllowed(lockoutDuration, failurePeriod, failureCount)) {
                username = null;
                throw new FailedLoginException("Maximum login failures exceeded; try again later");
            }
        } else {
            return false; // it's a fake login, ignore this module
        }
        return true;

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            return false;
        }
        principal = certificate.getSubjectX500Principal();


        if(!users.containsKey(principal.getName())) {
            throw new FailedLoginException();
        }
        return true;
    }

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        char[] entered = ((PasswordCallback) callbacks[1]).getPassword();
        password = entered == null ? null : new String(entered);
        boolean result = (realPassword == null && password == null) ||
                (realPassword != null && password != null && realPassword.equals(password));
        if(!result) {
            throw new FailedLoginException();
        }
        return true;
    }

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                http.setRequestMethod(method);
            }
            http.connect();
            if(http.getResponseCode() == 401) { // need to authenticate
                if(username == null || username.equals("")) {
                    throw new FailedLoginException("Server returned 401 "+http.getResponseMessage());
                }
                http = (HttpURLConnection) url.openConnection();
                http.setRequestProperty("Authorization", "Basic " + new String(Base64.encode((username + ":" + password).getBytes())));
                if(method != null) {
                    http.setRequestMethod(method);
                }
                http.connect();
                if(http.getResponseCode() == 401) {
                    throw new FailedLoginException("Server returned 401 "+http.getResponseMessage());
                } else if(http.getResponseCode() == 404) {
                    return null; // Not found at this repository
                }
                if(monitor != null && http.getContentLength() > 0) {
                    monitor.setTotalBytes(http.getContentLength());

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        if (auth == null) {
            return false;
        } else if (auth.authenticate(credentials)) {
            return true;
        }
        throw new FailedLoginException();
    }

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        char[] tmpPassword = ((PasswordCallback) callbacks[1]).getPassword();
        if (tmpPassword == null) tmpPassword = new char[0];


        String password = users.getProperty(user);


        if (password == null) throw new FailedLoginException("User does not exist");
        if (!password.equals(new String(tmpPassword))) throw new FailedLoginException("Password does not match");


        users.clear();


        if (debug) {
            log.debug("Logged in as '" + user+"'");

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        assert callbacks.length == 2;


        cbUsername = ((NameCallback) callbacks[0]).getName();


        if (StringUtilities.checkNullBlankString(cbUsername)) {
            throw new FailedLoginException();
        }


        char[] provided = ((PasswordCallback) callbacks[1]).getPassword();
        cbPassword = provided == null ? null : new String(provided);


        try {
            Connection conn;
            if (dataSource != null) {
                conn = dataSource.getConnection();
            } else if (driver != null) {
                conn = driver.connect(connectionURL, properties);
            } else {
                conn = DriverManager.getConnection(connectionURL, properties);
            }


            try {
                PreparedStatement statement = conn.prepareStatement(userSelect);
                try {
                    int count = statement.getParameterMetaData().getParameterCount();
                    for (int i = 0; i < count; i++) {
                        statement.setObject(i + 1, cbUsername);
                    }
                    ResultSet result = statement.executeQuery();


                    try {
                        boolean found = false;
                        while (result.next()) {
                            String userName = result.getString(1);
                            String userPassword = result.getString(2);


                            if (cbUsername.equals(userName)) {
                                found = true;
                                if (!checkPassword(userPassword, cbPassword)) {
                                    throw new FailedLoginException();
                                }
                                break;
                            }
                        }
                        if (!found) {
                            // User does not exist
                            throw new FailedLoginException();
                        }
                    } finally {
                        result.close();
                    }
                } finally {

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            try {
                handler.handle(new Callback[] {nameCallback, passwordCallback});
                username = nameCallback.getName();
                String password = (String) options.get(username);
                if (password == null) {
                    throw new FailedLoginException();
                }
                if (password.equals(new String(passwordCallback.getPassword()))) {
                    return true;
                }
                throw new FailedLoginException();
            } catch (java.io.IOException e) {
                throw new FailedLoginException();
            } catch (UnsupportedCallbackException e) {
                throw new FailedLoginException();
            }
        }

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            throw (LoginException) new LoginException().initCause(uce);
        }
        assert callbacks.length == 1;
        Certificate[] certificateChain = ((CertificateChainCallback)callbacks[0]).getCertificateChain();
        if (certificateChain == null || certificateChain.length == 0) {
            throw new FailedLoginException();
        }
        if (!(certificateChain[0] instanceof X509Certificate)) {
            throw new FailedLoginException();
        }
        //TODO actually validate chain
        principal = ((X509Certificate)certificateChain[0]).getSubjectX500Principal();


        loginSucceeded = true;

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                || cbPassword == null || "".equals(cbPassword)) {
            // Clear out the private state
            cbUsername = null;
            cbPassword = null;
            groups.clear();
            throw new FailedLoginException();
        }


        try {
            boolean result = authenticate(cbUsername, cbPassword);
            if (!result) {
                throw new FailedLoginException();
            }
        } catch (LoginException e) {
            // Clear out the private state
            cbUsername = null;
            cbPassword = null;

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