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package com.scudata.server.odbc;import java.io.File;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.List;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.transform.Result;import javax.xml.transform.stream.StreamResult;import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import org.xml.sax.SAXException;import com.scudata.app.config.ConfigConsts;import com.scudata.app.config.ConfigWriter;import com.scudata.common.Logger;import com.scudata.common.StringUtils;import com.scudata.common.Logger.FileHandler;import com.scudata.parallel.UnitClient;import com.scudata.parallel.UnitContext;import com.scudata.parallel.XmlUtil;import com.scudata.resources.ParallelMessage;import com.scudata.server.ConnectionProxyManager;import com.scudata.server.unit.UnitServer;/** * ODBC������������ */public class OdbcContext extends ConfigWriter { public static final String ODBC_CONFIG_FILE = "OdbcServer.xml"; private String host = UnitContext.getDefaultHost();//"127.0.0.1"; private int port = 8501, timeOut = 2; // ��ʱ�ļ����ʱ�䣬СʱΪ��λ��0Ϊ����鳬ʱ // Connection private int conMax = 10; private int conTimeOut = 2;// ���Ӵ��ʱ�䣬СʱΪ��λ��0Ϊ����鳬ʱ private int conPeriod = 5; // �����������ʱ�ļ����ڵ�ʱ������0Ϊ�������ڡ��ļ��Լ��α����Ĺ���ʱ��,��λ�� private boolean autoStart=false; private List<User> users = null; /** * ����odbc������������ */ public OdbcContext(){ try { InputStream inputStream = UnitContext.getUnitInputStream(ODBC_CONFIG_FILE); if (inputStream != null) { load(inputStream); } }catch (Exception x) { x.printStackTrace(); } } /** * �������� * @param is �����ļ������� * @throws Exception */ public void load(InputStream is) throws Exception { DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory .newInstance(); // BUG: CWE-611: Improper Restriction of XML External Entity Reference// DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();// FIXED: Document xmlDocument = docBuilder.parse(is); NodeList nl = xmlDocument.getChildNodes(); Node root = null; for (int i = 0; i < nl.getLength(); i++) { Node n = nl.item(i); if (n.getNodeName().equalsIgnoreCase("Server")) { root = n; } } if (root == null) { throw new Exception(ParallelMessage.get().getMessage("UnitConfig.errorxml")); } // Server ���� String buf = XmlUtil.getAttribute(root, "host"); if (StringUtils.isValidString(buf)) { host = buf; } buf = XmlUtil.getAttribute(root, "port"); if (StringUtils.isValidString(buf)) { port = Integer.parseInt(buf); } buf = XmlUtil.getAttribute(root, "autostart"); if (StringUtils.isValidString(buf)) { autoStart = Boolean.parseBoolean(buf); } // �̶������־������̨�� �� start.home/nodes/[ip_port]/log Ŀ¼�� String home = UnitServer.getHome(); String file = "odbc/" + UnitClient.getHostPath(host) + "_" + port + "/log/log.txt"; File f = new File(home, file); File fp = f.getParentFile(); if (!fp.exists()) { fp.mkdirs(); } String logFile = f.getAbsolutePath(); FileHandler lfh = Logger.newFileHandler(logFile); Logger.addFileHandler(lfh); buf = XmlUtil.getAttribute(root, "timeout"); if (StringUtils.isValidString(buf)) { timeOut = Integer.parseInt(buf); } Node conNode = XmlUtil.findSonNode(root, "Connection"); Node subNode = XmlUtil.findSonNode(conNode, "Max"); buf = XmlUtil.getNodeValue(subNode); if (StringUtils.isValidString(buf)) { int t = Integer.parseInt(buf); if (t > 0) conMax = t; } subNode = XmlUtil.findSonNode(conNode, "Timeout"); buf = XmlUtil.getNodeValue(subNode); if (StringUtils.isValidString(buf)) { int t = Integer.parseInt(buf); if (t > 0) conTimeOut = t; } subNode = XmlUtil.findSonNode(conNode, "Period"); buf = XmlUtil.getNodeValue(subNode); if (StringUtils.isValidString(buf)) { int t = Integer.parseInt(buf); if (t > 0) conPeriod = t; } Node usersNode = XmlUtil.findSonNode(root, "Users"); NodeList userList = usersNode.getChildNodes(); users = new ArrayList<User>(); for (int i = 0, size = userList.getLength(); i < size; i++) { Node xmlNode = userList.item(i); if (!(xmlNode.getNodeName().equalsIgnoreCase("User"))) continue; User user = new User(); buf = XmlUtil.getAttribute(xmlNode, "name"); user.name = buf; buf = XmlUtil.getAttribute(xmlNode, "password"); user.password = buf; buf = XmlUtil.getAttribute(xmlNode, "admin"); if (StringUtils.isValidString(buf)) { user.admin = Boolean.parseBoolean(buf); } users.add(user); } } /** * �������õ������ * @param out ����� * @throws SAXException */ public void save(OutputStream out) throws SAXException { Result resultxml = new StreamResult(out); handler.setResult(resultxml); level = 0; handler.startDocument(); // ���ø��ڵ�Ͱ汾 handler.startElement("", "", "Server", getAttributesImpl(new String[] { ConfigConsts.VERSION, "1", "host", host, "port", port + "","autostart", autoStart + "", "timeout", timeOut + ""})); level = 1; startElement("Connection", null); level = 2; writeAttribute("Max", conMax + ""); writeAttribute("Timeout", conTimeOut + ""); writeAttribute("Period", conPeriod + ""); level = 1; endElement("Connection"); startElement("Users", null); if (users != null) { for (int i = 0, size = users.size(); i < size; i++) { level = 2; User u = users.get(i); startElement( "User", getAttributesImpl(new String[] { "name", u.name, "password", u.password, "admin", u.admin + "" })); endElement("User"); } level = 1; endElement("Users"); } else { endEmptyElement("Users"); } handler.endElement("", "", "Server"); // �ĵ�����,ͬ�������� handler.endDocument(); } /** * ��ȡ������IP * @return IP��ַ */ public String getHost() { return host; } /** * ��ȡ�˿ں� * @return �˿ں� */ public int getPort() { return port; } public void setHost(String host) { this.host = host; } /** * ���ö˿ں� * @param port �˿� */ public void setPort(int port) { this.port = port; } /** * �����Ƿ��Զ����� * @param as �Ƿ��Զ����� */ public void setAutoStart(boolean as) { this.autoStart = as; } /** * ��ȡ�������Ƿ��Զ������� * @return �Ƿ������� */ public boolean isAutoStart() { return autoStart; } /** * ��ȡ���ӳ�ʱ��ʱ�� * @return ��ʱʱ�� */ public int getTimeOut() { return timeOut; } /** * ������ʱ�ļ����ʱ�䣬СʱΪ��λ��0Ϊ����鳬ʱ * @param timeout ��ʱʱ�� */ public void setTimeOut(int timeout) { this.timeOut = timeout; } /** * ��ȡ���������Ŀ * @return ��������� */ public int getConMax() { return conMax; } /** * ������������� * @param max ��������� */ public void setConMax(int max) { this.conMax = max; } /** * ��ȡ���ӳ�ʱ��ʱ�� * @return ���ӳ�ʱ��ʱ�� */ public int getConTimeOut() { return conTimeOut; } /** * �������Ӵ��ʱ�䣬СʱΪ��λ��0Ϊ����鳬ʱ * @param cto ʱ�� */ public void setConTimeOut(int cto) { this.conTimeOut = cto; } /** * ��ȡ��鳬ʱ��� * @return ��ʱ����� */ public int getConPeriod() { return this.conPeriod; } /** * ���ü����������ʱ�ļ����ڵ�ʱ������0Ϊ�������ڡ� * �ļ��Լ��α����Ĺ���ʱ��,��λ�� */ public void setConPeriod(int period) { this.conPeriod = period; } /** * ��ȡ�û��б� * @return �û��б� */ public List<User> getUserList() { return users; } /** * �����û��б� * @param users �û��б� */ public void setUserList(List<User> users) { this.users = users; } /** * ʵ��toString�ӿ� */ public String toString() { return host + ":" + port; } /** * ����û��Ƿ���� * @param user �û��� * @return ����ʱ����true������false */ public boolean isUserExist(String user) { if (users == null) { return true; } for (User u : users) { if (u.getName().equalsIgnoreCase(user)) return true; } return false; } /** * У���û��Ϸ��� * @param user �û��� * @param password ���� * @return У��ͨ������true������false * @throws Exception */ public boolean checkUser(String user, String password) throws Exception{ ConnectionProxyManager cpm = ConnectionProxyManager.getInstance(); if(cpm.size()>=conMax){ throw new Exception("Exceed server's max connections, login user:"+user); } int size = users.size(); for (int i = 0; i < size; i++) { User u = users.get(i); if (u.getName().equalsIgnoreCase(user)) { if (u.getPassword().equals(password)) { return true; } else { throw new Exception("Invalid password."); } } } throw new Exception("Invalid user name."); } // ����1��ʾ��ȷ���������� public static class User { private String name = null; private String password = null; private boolean admin = false; public User() { } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public boolean isAdmin() { return admin; } public void setAdmin(boolean admin) { this.admin = admin; } }} |