Пример #1
0
 @Override
 public boolean contains(final DatabaseTable table, final String key) throws DatabaseException {
   final boolean result = get(table, key) != null;
   if (traceLogging) {
     final Map<String, Object> debugOutput = new LinkedHashMap<>();
     debugOutput.put("table", table);
     debugOutput.put("key", key);
     debugOutput.put("result", result);
     LOGGER.trace(
         "contains operation result: "
             + JsonUtil.serializeMap(debugOutput, JsonUtil.Flag.PrettyPrint));
   }
   updateStats(true, false);
   return result;
 }
Пример #2
0
  @Override
  public String get(final DatabaseTable table, final String key) throws DatabaseException {
    if (traceLogging) {
      LOGGER.trace("attempting get operation for table=" + table + ", key=" + key);
    }
    preOperationCheck();
    final StringBuilder sb = new StringBuilder();
    sb.append("SELECT * FROM ").append(table.toString()).append(" WHERE " + KEY_COLUMN + " = ?");

    PreparedStatement statement = null;
    ResultSet resultSet = null;
    String returnValue = null;
    try {
      statement = connection.prepareStatement(sb.toString());
      statement.setString(1, key);
      statement.setMaxRows(1);
      resultSet = statement.executeQuery();

      if (resultSet.next()) {
        returnValue = resultSet.getString(VALUE_COLUMN);
      }
    } catch (SQLException e) {
      final ErrorInformation errorInformation =
          new ErrorInformation(
              PwmError.ERROR_DB_UNAVAILABLE, "get operation failed: " + e.getMessage());
      lastError = errorInformation;
      throw new DatabaseException(errorInformation);
    } finally {
      close(statement);
      close(resultSet);
    }

    if (traceLogging) {
      final LinkedHashMap<String, Object> debugOutput = new LinkedHashMap<>();
      debugOutput.put("table", table);
      debugOutput.put("key", key);
      debugOutput.put("result", returnValue);
      LOGGER.trace(
          "get operation result: " + JsonUtil.serializeMap(debugOutput, JsonUtil.Flag.PrettyPrint));
    }

    updateStats(true, false);
    return returnValue;
  }
Пример #3
0
  @Override
  public boolean remove(final DatabaseTable table, final String key) throws DatabaseException {
    if (traceLogging) {
      LOGGER.trace("attempting remove operation for table=" + table + ", key=" + key);
    }

    boolean result = contains(table, key);
    if (result) {
      final StringBuilder sqlText = new StringBuilder();
      sqlText.append("DELETE FROM ").append(table.toString()).append(" WHERE " + KEY_COLUMN + "=?");

      PreparedStatement statement = null;
      try {
        statement = connection.prepareStatement(sqlText.toString());
        statement.setString(1, key);
        statement.executeUpdate();
        LOGGER.trace("remove operation succeeded for table=" + table + ", key=" + key);
      } catch (SQLException e) {
        final ErrorInformation errorInformation =
            new ErrorInformation(
                PwmError.ERROR_DB_UNAVAILABLE, "remove operation failed: " + e.getMessage());
        lastError = errorInformation;
        throw new DatabaseException(errorInformation);
      } finally {
        close(statement);
      }
    }

    if (traceLogging) {
      final Map<String, Object> debugOutput = new LinkedHashMap<>();
      debugOutput.put("table", table);
      debugOutput.put("key", key);
      debugOutput.put("result", result);
      LOGGER.trace(
          "remove operation result: "
              + JsonUtil.serializeMap(debugOutput, JsonUtil.Flag.PrettyPrint));
    }

    updateStats(true, false);
    return result;
  }
Пример #4
0
  @Override
  public boolean put(final DatabaseTable table, final String key, final String value)
      throws DatabaseException {

    preOperationCheck();
    if (traceLogging) {
      LOGGER.trace("attempting put operation for table=" + table + ", key=" + key);
    }
    if (!contains(table, key)) {
      final String sqlText =
          "INSERT INTO "
              + table.toString()
              + "("
              + KEY_COLUMN
              + ", "
              + VALUE_COLUMN
              + ") VALUES(?,?)";
      PreparedStatement statement = null;

      try {
        statement = connection.prepareStatement(sqlText);
        statement.setString(1, key);
        statement.setString(2, value);
        statement.executeUpdate();
      } catch (SQLException e) {
        final ErrorInformation errorInformation =
            new ErrorInformation(
                PwmError.ERROR_DB_UNAVAILABLE, "put operation failed: " + e.getMessage());
        lastError = errorInformation;
        throw new DatabaseException(errorInformation);
      } finally {
        close(statement);
      }
      return false;
    }

    final String sqlText =
        "UPDATE " + table.toString() + " SET " + VALUE_COLUMN + "=? WHERE " + KEY_COLUMN + "=?";
    PreparedStatement statement = null;

    try {
      statement = connection.prepareStatement(sqlText);
      statement.setString(1, value);
      statement.setString(2, key);
      statement.executeUpdate();
    } catch (SQLException e) {
      final ErrorInformation errorInformation =
          new ErrorInformation(
              PwmError.ERROR_DB_UNAVAILABLE, "put operation failed: " + e.getMessage());
      lastError = errorInformation;
      throw new DatabaseException(errorInformation);
    } finally {
      close(statement);
    }

    if (traceLogging) {
      final Map<String, Object> debugOutput = new LinkedHashMap<>();
      debugOutput.put("table", table);
      debugOutput.put("key", key);
      debugOutput.put("value", value);
      LOGGER.trace(
          "put operation result: " + JsonUtil.serializeMap(debugOutput, JsonUtil.Flag.PrettyPrint));
    }

    updateStats(false, true);
    return true;
  }
Пример #5
0
  private Connection openDB(final DBConfiguration dbConfiguration) throws DatabaseException {
    final String connectionURL = dbConfiguration.getConnectionString();
    final String jdbcClassName = dbConfiguration.getDriverClassname();

    try {
      final byte[] jdbcDriverBytes = dbConfiguration.getJdbcDriver();
      if (jdbcDriverBytes != null) {
        LOGGER.debug("loading JDBC database driver stored in configuration");
        final JarClassLoader jarClassLoader = new JarClassLoader();
        jarClassLoader.add(new ByteArrayInputStream(jdbcDriverBytes));
        final JclObjectFactory jclObjectFactory = JclObjectFactory.getInstance();

        // Create object of loaded class
        driver = (Driver) jclObjectFactory.create(jarClassLoader, jdbcClassName);

        LOGGER.debug(
            "successfully loaded JDBC database driver '"
                + jdbcClassName
                + "' from application configuration");
      }
    } catch (Throwable e) {
      final String errorMsg =
          "error registering JDBC database driver stored in configuration: " + e.getMessage();
      final ErrorInformation errorInformation =
          new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
      LOGGER.error(errorMsg, e);
      throw new DatabaseException(errorInformation);
    }

    if (driver == null) {
      try {
        LOGGER.debug("loading JDBC database driver from classpath: " + jdbcClassName);
        driver = (Driver) Class.forName(jdbcClassName).newInstance();

        LOGGER.debug("successfully loaded JDBC database driver from classpath: " + jdbcClassName);
      } catch (Throwable e) {
        final String errorMsg =
            e.getClass().getName()
                + " error loading JDBC database driver from classpath: "
                + e.getMessage();
        final ErrorInformation errorInformation =
            new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
        throw new DatabaseException(errorInformation);
      }
    }

    try {
      LOGGER.debug("opening connection to database " + connectionURL);
      final Properties connectionProperties = new Properties();
      if (dbConfiguration.getUsername() != null && !dbConfiguration.getUsername().isEmpty()) {
        connectionProperties.setProperty("user", dbConfiguration.getUsername());
      }
      if (dbConfiguration.getPassword() != null) {
        connectionProperties.setProperty(
            "password", dbConfiguration.getPassword().getStringValue());
      }
      final Connection connection = driver.connect(connectionURL, connectionProperties);

      final Map<PwmAboutProperty, String> debugProps = getConnectionDebugProperties(connection);
      ;
      LOGGER.debug(
          "successfully opened connection to database "
              + connectionURL
              + ", properties: "
              + JsonUtil.serializeMap(debugProps));

      connection.setAutoCommit(true);
      return connection;
    } catch (Throwable e) {
      final String errorMsg =
          "error connecting to database: " + Helper.readHostileExceptionMessage(e);
      final ErrorInformation errorInformation =
          new ErrorInformation(PwmError.ERROR_DB_UNAVAILABLE, errorMsg);
      if (e instanceof IOException) {
        LOGGER.error(errorInformation);
      } else {
        LOGGER.error(errorMsg, e);
      }
      throw new DatabaseException(errorInformation);
    }
  }
Пример #6
0
  public List<HealthRecord> healthCheck() {
    if (status == PwmService.STATUS.CLOSED) {
      return Collections.emptyList();
    }

    final List<HealthRecord> returnRecords = new ArrayList<>();

    try {
      preOperationCheck();
    } catch (DatabaseException e) {
      lastError = e.getErrorInformation();
      returnRecords.add(
          new HealthRecord(
              HealthStatus.WARN,
              HealthTopic.Database,
              "Database server is not available: " + e.getErrorInformation().toDebugStr()));
      return returnRecords;
    }

    try {
      final Map<String, String> tempMap = new HashMap<>();
      tempMap.put("instance", instanceID);
      tempMap.put("date", (new java.util.Date()).toString());
      this.put(
          DatabaseTable.PWM_META, DatabaseAccessorImpl.KEY_TEST, JsonUtil.serializeMap(tempMap));
    } catch (PwmException e) {
      returnRecords.add(
          new HealthRecord(
              HealthStatus.WARN,
              HealthTopic.Database,
              "Error writing to database: " + e.getErrorInformation().toDebugStr()));
      return returnRecords;
    }

    if (lastError != null) {
      final TimeDuration errorAge = TimeDuration.fromCurrent(lastError.getDate().getTime());

      if (errorAge.isShorterThan(TimeDuration.HOUR)) {
        returnRecords.add(
            new HealthRecord(
                HealthStatus.CAUTION,
                HealthTopic.Database,
                "Database server was recently unavailable ("
                    + errorAge.asLongString(PwmConstants.DEFAULT_LOCALE)
                    + " ago at "
                    + lastError.getDate().toString()
                    + "): "
                    + lastError.toDebugStr()));
      }
    }

    if (returnRecords.isEmpty()) {
      returnRecords.add(
          new HealthRecord(
              HealthStatus.GOOD,
              HealthTopic.Database,
              "Database connection to " + this.dbConfiguration.getConnectionString() + " okay"));
    }

    return returnRecords;
  }