Ejemplo n.º 1
0
  public List<ClientEventEntry> findLogEvents(
      List<SearchConstraint> constraints, List<String> orderBy, int offset, int limit, Connection c)
      throws SQLException {
    StringBuffer sql =
        new StringBuffer(
            "select e.event_id, e.customer_id, e.user_id, e.event_time, e.description, e.has_log_file from dat_client_log_events e ");
    appendWhere(sql, constraints, s_propToColumnMap);
    appendOrderBy(sql, orderBy, "e.event_id desc", s_propToColumnMap);
    appendLimits(sql, offset, limit);

    Statement stmt = null;
    ResultSet rs = null;
    try {
      stmt = c.createStatement();
      rs = stmt.executeQuery(sql.toString());
      List<ClientEventEntry> results = new ArrayList<ClientEventEntry>();
      while (rs.next()) {
        ClientEventEntry entry =
            new ClientEventEntry(
                rs.getInt(1),
                rs.getInt(2),
                rs.getInt(3),
                resolveDate(rs.getTimestamp(4)),
                rs.getString(5),
                rs.getInt(6) != 0);
        results.add(entry);
      }
      return results;
    } finally {
      DbUtils.safeClose(rs);
      DbUtils.safeClose(stmt);
    }
  }
Ejemplo n.º 2
0
  /** Return the user's secure_hash_key. If one wasn't found create one on the fly. */
  private SecureHashKeyResult getSecureHashKey(UserAccount user, Connection c) throws SQLException {

    PreparedStatement select = null;

    // Create lazily.
    PreparedStatement update = null;

    int userId = user.getUserID();

    boolean justCreated = false;

    byte[] key = null;
    try {
      // TODO:  consider having UserManager returning secure_hash_key.
      // TODO:  We have similar logic in several places for creating secure_hash_key just-in-time.
      // D.R.Y. this out.  Sorry I couldn't resist using this cliche :)

      select = c.prepareStatement("SELECT secure_hash_key FROM dat_user_account WHERE object_id=?");

      select.setInt(1, userId);
      ResultSet rs = select.executeQuery();
      if (!rs.next()) {
        LogMessageGen lmg = new LogMessageGen();
        lmg.setSubject("dat_user_account row not found");
        lmg.param(LoggingConsts.USER_ID, userId);
        // possible that the user simply disappeared by the time we got here.
        m_logCategory.warn(lmg.toString());
      } else {
        key = rs.getBytes(1);
        if (key == null || key.length == 0) {
          // hash key not found; create one on the fly.
          update =
              c.prepareStatement("UPDATE dat_user_account SET secure_hash_key=? WHERE object_id=?");
          key = createNewRandomKey();
          update.setBytes(1, key);
          update.setInt(2, userId);
          int ct = update.executeUpdate();
          if (ct != 1) {
            LogMessageGen lmg = new LogMessageGen();
            lmg.setSubject("Unable to update dat_user_account.secure_hash_key");
            lmg.param(LoggingConsts.USER_ID, userId);
            m_logCategory.error(lmg.toString());
          } else {
            justCreated = true;
          }
        } // needed to set key.
      } // user found
    } finally {
      DbUtils.safeClose(select);
      DbUtils.safeClose(update);
    }
    return new SecureHashKeyResult(key, justCreated);
  }
Ejemplo n.º 3
0
  /** Returns event_id of newly created logging entry. */
  private Integer logEvent(IClient client, String eventText, InputStream logFileSteam, Connection c)
      throws SQLException {
    PreparedStatement stmt = null;
    int id = 0;
    try {
      long longId = getSequenceId("seq_client_log_event_ids", c);
      if (longId > Integer.MAX_VALUE) {
        // dat_client_log_events.event_id is a 32 bit integer numeric type.

        // this is a bad problem; ensure it's logged; don't depend on whoever's catching
        // the exception.
        m_logger.log("seq_client_log_event_ids overflowed").error();
        throw new IllegalStateException("seq_client_log_event_ids overflowed.");
      }
      id = (int) longId;
      stmt =
          c.prepareStatement(
              "insert into dat_client_log_events "
                  + "(event_id, customer_id, user_id, event_time, description, has_log_file) "
                  + "values "
                  + "(?, ?, ?, current_timestamp, ?, ?)");

      stmt.setInt(1, id);
      stmt.setInt(2, client.getCustomerId());
      stmt.setInt(3, client.getUserId());
      stmt.setString(4, eventText);
      stmt.setInt(5, logFileSteam == null ? 0 : 1);
      if (stmt.executeUpdate() != 1) {
        throw new SQLException("Can't insert client event for " + client);
      }
    } finally {
      DbUtils.safeClose(stmt);
    }
    return new Integer(id);
  }
Ejemplo n.º 4
0
  public void purgeLogEvents(final List<SearchConstraint> constraints, final int daysToKeep) {
    blockHereIfBadNfs();

    StringBuffer sql =
        new StringBuffer(
            "select u.mail_directory || '/logs/' || e.event_id || '.log' "
                + "from dat_client_log_events e, dat_user_account u "
                + "where event_time < current_timestamp - (? || ' days')::interval "
                + "and e.has_log_file != 0 "
                + "and e.user_id = u.object_id");
    appendWhereConstraints(sql, constraints, s_propToColumnMap);
    m_logCategory.info("Purge event logs query is\n" + sql);

    StringBuffer sql2 =
        new StringBuffer(
            "delete from dat_client_log_events "
                + "where event_time < current_timestamp - (? || ' days')::interval");
    if (!constraints.isEmpty()) {
      sql2.append(" and event_id in (select e.event_id from dat_client_log_events e ");
      appendWhere(sql2, constraints, s_propToColumnMap);
      sql2.append(")");
    }
    m_logCategory.info("Purge event logs query is\n" + sql2);

    try {
      Connection c = m_txManager.getConnection();
      PreparedStatement stmt = null;
      ResultSet rs = null;
      boolean needsRollback = true;
      try {
        stmt = c.prepareStatement(sql.toString());
        stmt.setInt(1, daysToKeep);
        rs = stmt.executeQuery();
        while (rs.next()) {
          File logFile = new File(getNfsRoot(), rs.getString(1));
          // nfs usage, but DB transaction takes no locks.
          if (logFile.exists()) {
            boolean ok = logFile.delete();
            if (!ok) {
              m_logger
                  .log("Unable to delete")
                  .param(LoggingConsts.FILENAME, logFile.getAbsolutePath())
                  .warn();
            }
          } // file exists.
        } // each row

        // Below, no nfs usage occurs.  We can use the same connection.
        // the 'sql delete' may use DB locks.
        stmt = c.prepareStatement(sql2.toString());
        stmt.setInt(1, daysToKeep);
        stmt.executeUpdate();
        c.commit();
        needsRollback = false;
      } finally {
        DbUtils.safeClose(rs);
        DbUtils.safeClose(stmt);
        if (needsRollback) {
          c.rollback();
        }
        m_txManager.returnConnection(c);
      }
    } catch (Exception ex) {
      m_logger.log("Error in purgeLogEvents").warn(ex);
    }
  }
Ejemplo n.º 5
0
  public void setKeyCreatingIfNeeded(
      List<? extends IClientInfo> clients,
      List<IClientInfo> clientsNeedingSignalUpdate,
      Connection c)
      throws SQLException {

    PreparedStatement select = null;

    // Create lazily.
    PreparedStatement update = null;

    try {

      select = c.prepareStatement("SELECT secure_hash_key FROM dat_user_account WHERE object_id=?");

      for (IClientInfo client : clients) {
        int userId = client.getUserId();
        // ensure dat_user_account.secure_hash_key is filled.
        select.setInt(1, userId);
        ResultSet rs = select.executeQuery();
        if (!rs.next()) {
          LogMessageGen lmg = new LogMessageGen();
          lmg.setSubject("dat_user_account row not found");
          lmg.param(LoggingConsts.USER_ID, userId);
          // possible that the user simply disappeared by the time we got here.
          m_logCategory.warn(lmg.toString());
          continue;
        }
        boolean firstTimeCreate = false;
        byte[] key = rs.getBytes(1);
        if (key == null || key.length == 0) {
          if (update == null) {
            update =
                c.prepareStatement(
                    "UPDATE dat_user_account SET secure_hash_key=? WHERE object_id=?");
          }
          key = createNewRandomKey();
          update.setBytes(1, key);
          update.setInt(2, userId);
          int ct = update.executeUpdate();
          if (ct != 1) {
            LogMessageGen lmg = new LogMessageGen();
            lmg.setSubject("Unable to update dat_user_account.secure_hash_key");
            lmg.param(LoggingConsts.USER_ID, userId);
            m_logCategory.error(lmg.toString());
            continue;
          } else {
            firstTimeCreate = true;
          }
        } // no existing key.
        client.getHashSupport().setHashKey(key);
        if (firstTimeCreate) {
          if (clientsNeedingSignalUpdate != null) {
            // EMSDEV-7854.  Don't actually do
            // updateSignalFiles(client) right here; we want to avoid nfs usage in the middle of a
            // db
            // transaction.
            clientsNeedingSignalUpdate.add(client);
          }
        }
      } // each client.
    } finally {
      DbUtils.safeClose(select);
      DbUtils.safeClose(update);
    }
  }
Ejemplo n.º 6
0
  /** Writes user state information to the shared filesystem */
  private void updateStateCache(
      Customer customer, int transitionId, CustomerState newState, Connection c)
      throws SQLException {
    PreparedStatement pst = null;
    ResultSet rs = null;

    try {
      pst =
          c.prepareStatement(
              "SELECT u.secure_hash_key, u.object_id, u.user_state, u.is_deleted, u.last_activation_id "
                  + "FROM dat_user_account u, dat_transition_users tr "
                  + "WHERE u.object_id = tr.user_id AND u.customer_id=? "
                  + "AND tr.transition_id=?;");

      // The state files are used by Outlook, BB, and maybe future clients.
      pst.setInt(1, customer.getCustID());
      pst.setInt(2, transitionId);
      rs = pst.executeQuery();
      while (rs.next()) {
        int i = 0;
        byte[] key = rs.getBytes(++i);
        int userId = rs.getInt(++i);
        CustomerState state = CustomerState.fromInt(rs.getInt(++i));
        int isDeletedInt = rs.getInt(++i);
        int lastActivationId = rs.getInt(++i);

        // If the user is marked deleted but has a key, we'll try cleaning
        // up state files.
        boolean isDeleted = isDeletedInt != IUserManager.USER_NOT_DELETED;
        if (key == null || key.length == 0) {
          LogMessageGen lmg = new LogMessageGen();
          lmg.setSubject("dat_user_account.secure_hash_key not set");
          lmg.param(LoggingConsts.USER_ID, userId);
          m_logCategory.info(lmg.toString());

          // Without a key, we can't determine the signal filenames
          // so no cleanup is possible.
          continue;
        }

        ClientHashSupport hash = null;
        hash = new ClientHashSupport();
        hash.setCustomerId(customer.getCustID());
        hash.setUserId(userId);
        hash.setHashKey(key);
        hash.setLastActivationId(lastActivationId);

        if (m_logCategory.isInfoEnabled()) {
          LogMessageGen lmg = new LogMessageGen();
          lmg.setSubject("Updating signal files");
          lmg.param(LoggingConsts.USER_ID, userId);
          m_logCategory.info(lmg.toString());
        }
        // wrt EMSDEV-7854 nfs calls and database transactions.
        // Above is only doing a select; no locks are taken and this
        // method is private.
        updateSignalFiles(hash, state, isDeleted);
      } // each row.
    } finally {
      DbUtils.safeClose(rs);
      DbUtils.safeClose(pst);
    }
  }