| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.shiro.samples.aspectj.bank; |
| |
| import org.apache.shiro.SecurityUtils; |
| import org.apache.shiro.authz.annotation.RequiresPermissions; |
| import org.apache.shiro.samples.aspectj.bank.AccountTransaction.TransactionType; |
| import org.apache.shiro.subject.Subject; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class SecureBankService implements BankService { |
| |
| private static final Logger log = LoggerFactory.getLogger(SecureBankService.class); |
| private volatile boolean _isRunning; |
| private final List<Account> _accounts; |
| private Map<Long, Account> _accountsById; |
| |
| /** |
| * Creates a new {@link SecureBankService} instance. |
| */ |
| public SecureBankService() { |
| _accounts = new ArrayList<Account>(); |
| _accountsById = new HashMap<Long, Account>(); |
| } |
| |
| /** |
| * Starts this service |
| */ |
| public void start() throws Exception { |
| _isRunning = true; |
| log.info("Bank service started"); |
| } |
| |
| /** |
| * Stop this service |
| */ |
| public void dispose() { |
| log.info("Stopping bank service..."); |
| _isRunning = false; |
| |
| synchronized (_accounts) { |
| _accountsById.clear(); |
| _accounts.clear(); |
| } |
| |
| log.info("Bank service stopped"); |
| } |
| |
| /** |
| * Internal utility method that validate the internal state of this service. |
| */ |
| protected void assertServiceState() { |
| if (!_isRunning) { |
| throw new IllegalStateException("This bank service is not running"); |
| } |
| } |
| |
| public int getAccountCount() { |
| return _accounts.size(); |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#createNewAccount(java.lang.String) |
| */ |
| |
| @RequiresPermissions("bankAccount:create") |
| public long createNewAccount(String anOwnerName) { |
| assertServiceState(); |
| log.info("Creating new account for " + anOwnerName); |
| |
| synchronized (_accounts) { |
| Account account = new Account(anOwnerName); |
| account.setCreatedBy(getCurrentUsername()); |
| _accounts.add(account); |
| _accountsById.put(account.getId(), account); |
| |
| log.debug("Created new account: " + account); |
| return account.getId(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#searchAccountIdsByOwner(java.lang.String) |
| */ |
| |
| public long[] searchAccountIdsByOwner(String anOwnerName) { |
| assertServiceState(); |
| log.info("Searching existing accounts for " + anOwnerName); |
| |
| ArrayList<Account> matchAccounts = new ArrayList<Account>(); |
| synchronized (_accounts) { |
| for (Account a : _accounts) { |
| if (a.getOwnerName().toLowerCase().contains(anOwnerName.toLowerCase())) { |
| matchAccounts.add(a); |
| } |
| } |
| } |
| |
| long[] accountIds = new long[matchAccounts.size()]; |
| int index = 0; |
| for (Account a : matchAccounts) { |
| accountIds[index++] = a.getId(); |
| } |
| |
| log.debug("Found " + accountIds.length + " account(s) matching the name " + anOwnerName); |
| return accountIds; |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#getOwnerOf(long) |
| */ |
| |
| @RequiresPermissions("bankAccount:read") |
| public String getOwnerOf(long anAccountId) throws AccountNotFoundException { |
| assertServiceState(); |
| log.info("Getting owner of account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| return a.getOwnerName(); |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#getBalanceOf(long) |
| */ |
| |
| @RequiresPermissions("bankAccount:read") |
| public double getBalanceOf(long anAccountId) throws AccountNotFoundException { |
| assertServiceState(); |
| log.info("Getting balance of account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| return a.getBalance(); |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#depositInto(long, double) |
| */ |
| |
| @RequiresPermissions("bankAccount:operate") |
| public double depositInto(long anAccountId, double anAmount) throws AccountNotFoundException, InactiveAccountException { |
| assertServiceState(); |
| log.info("Making deposit of " + anAmount + " into account " + anAccountId); |
| |
| try { |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| AccountTransaction tx = AccountTransaction.createDepositTx(anAccountId, anAmount); |
| tx.setCreatedBy(getCurrentUsername()); |
| log.debug("Created a new transaction " + tx); |
| |
| a.applyTransaction(tx); |
| log.debug("New balance of account " + a.getId() + " after deposit is " + a.getBalance()); |
| |
| return a.getBalance(); |
| |
| } catch (NotEnoughFundsException nefe) { |
| throw new IllegalStateException("Should never happen", nefe); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#withdrawFrom(long, double) |
| */ |
| |
| @RequiresPermissions("bankAccount:operate") |
| public double withdrawFrom(long anAccountId, double anAmount) throws AccountNotFoundException, NotEnoughFundsException, InactiveAccountException { |
| assertServiceState(); |
| log.info("Making withdrawal of " + anAmount + " from account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| AccountTransaction tx = AccountTransaction.createWithdrawalTx(anAccountId, anAmount); |
| tx.setCreatedBy(getCurrentUsername()); |
| log.debug("Created a new transaction " + tx); |
| |
| a.applyTransaction(tx); |
| log.debug("New balance of account " + a.getId() + " after withdrawal is " + a.getBalance()); |
| |
| return a.getBalance(); |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#getTxHistoryFor(long) |
| */ |
| |
| @RequiresPermissions("bankAccount:read") |
| public TxLog[] getTxHistoryFor(long anAccountId) throws AccountNotFoundException { |
| assertServiceState(); |
| log.info("Getting transactions of account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| |
| TxLog[] txs = new TxLog[a.getTransactions().size()]; |
| int index = 0; |
| for (AccountTransaction tx : a.getTransactions()) { |
| log.debug("Retrieved transaction " + tx); |
| |
| if (TransactionType.DEPOSIT == tx.getType()) { |
| txs[index++] = new TxLog(tx.getCreationDate(), tx.getAmount(), tx.getCreatedBy()); |
| } else { |
| txs[index++] = new TxLog(tx.getCreationDate(), -1.0d * tx.getAmount(), tx.getCreatedBy()); |
| } |
| } |
| |
| return txs; |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#closeAccount(long) |
| */ |
| |
| @RequiresPermissions("bankAccount:close") |
| public double closeAccount(long anAccountId) throws AccountNotFoundException, InactiveAccountException { |
| assertServiceState(); |
| log.info("Closing account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| if (!a.isActive()) { |
| throw new InactiveAccountException("The account " + anAccountId + " is already closed"); |
| } |
| |
| try { |
| AccountTransaction tx = AccountTransaction.createWithdrawalTx(a.getId(), a.getBalance()); |
| tx.setCreatedBy(getCurrentUsername()); |
| log.debug("Created a new transaction " + tx); |
| a.applyTransaction(tx); |
| a.setActive(false); |
| |
| log.debug("Account " + a.getId() + " is now closed and an amount of " + tx.getAmount() + " is given to the owner"); |
| return tx.getAmount(); |
| |
| } catch (NotEnoughFundsException nefe) { |
| throw new IllegalStateException("Should never happen", nefe); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see com.connectif.trilogy.root.security.BankService#isAccountActive(long) |
| */ |
| |
| @RequiresPermissions("bankAccount:read") |
| public boolean isAccountActive(long anAccountId) throws AccountNotFoundException { |
| assertServiceState(); |
| log.info("Getting active status of account " + anAccountId); |
| |
| Account a = safellyRetrieveAccountForId(anAccountId); |
| return a.isActive(); |
| } |
| |
| |
| /** |
| * Internal method that safelly (concurrency-wise) retrieves an account from the id passed in. |
| * |
| * @param anAccountId The identifier of the account to retrieve. |
| * @return The account instance retrieved. |
| * @throws AccountNotFoundException If no account is found for the provided identifier. |
| */ |
| protected Account safellyRetrieveAccountForId(long anAccountId) throws AccountNotFoundException { |
| Account account = null; |
| synchronized (_accounts) { |
| account = _accountsById.get(anAccountId); |
| } |
| |
| if (account == null) { |
| throw new AccountNotFoundException("No account found for the id " + anAccountId); |
| } |
| |
| log.info("Retrieved account " + account); |
| return account; |
| } |
| |
| /** |
| * Internal utility method to retrieve the username of the current authenticated user. |
| * |
| * @return The name. |
| */ |
| protected String getCurrentUsername() { |
| Subject subject = SecurityUtils.getSubject(); |
| if (subject == null || subject.getPrincipal() == null || !subject.isAuthenticated()) { |
| throw new IllegalStateException("Unable to retrieve the current authenticated subject"); |
| } |
| return SecurityUtils.getSubject().getPrincipal().toString(); |
| } |
| } |