SqlCheckAjax.jsp
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<%@page import="java.util.regex.Pattern"%>
<%@page import="sun.misc.BASE64Decoder"%>
<%@ page import="weaver.general.*,weaver.conn.*" %>
<%@ page import="weaver.hrm.*" %>
<%@page import="java.sql.*"%>
<%@page import="net.sf.json.JSONObject"%>
<jsp:useBean id="automaticconnect" class="weaver.workflow.automatic.automaticconnect" scope="page" />
<%
out.clear();
response.setContentType("text/xml;charset=UTF-8");
String sqlcontent = Util.null2String(request.getParameter("sql"));
BASE64Decoder decoder = new BASE64Decoder();
try {
String base64Pattern = "^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$";
if(Pattern.matches(base64Pattern, sqlcontent)){
sqlcontent=new String(decoder.decodeBuffer(sqlcontent), "UTF-8").replace("%2B","+");
}
} catch (Exception e1) {
}
String datasourceid = Util.null2String(request.getParameter("datasourceid"));
String isFormMode = Util.null2String(request.getParameter("isFormMode"));
boolean isCanUse = false;
User user = HrmUserVarify.getUser (request , response) ;
JSONObject jsonObject = new JSONObject();
if(user==null){
if("1".equals(isFormMode)){
jsonObject.put("isCanUse",isCanUse);
jsonObject.put("errormsg","-101");
response.getWriter().write(jsonObject.toString());
}
return;
}
boolean userRight = HrmUserVarify.checkUserRight("WorkflowManage:All", user);
if (!userRight && !HrmUserVarify.checkUserRight("ModeSetting:All", user)) {
if("1".equals(isFormMode)){
jsonObject.put("isCanUse",isCanUse);
jsonObject.put("errormsg","-102");
response.getWriter().write(jsonObject.toString());
}
return;
}
String errormsg = "";
try{
ConnStatement statement = null;
int index = sqlcontent.indexOf("doFieldSQL(\"");
if(index > -1){
sqlcontent = sqlcontent.substring(index+12);
index = sqlcontent.lastIndexOf("\")");
if(index > -1){
sqlcontent = sqlcontent.substring(0, index);
}
}
sqlcontent = sqlcontent.trim();
if(!"".equals(sqlcontent) && !sqlcontent.toLowerCase().startsWith("select")){
if("1".equals(isFormMode)){
jsonObject.put("isCanUse",isCanUse);
jsonObject.put("errormsg","");
response.getWriter().write(jsonObject.toString());
}
return;
}
sqlcontent = sqlcontent.replaceAll("\\'\\$([0-9]*)\\$\\'", "'19700101'");
sqlcontent = sqlcontent.replaceAll("\\$([0-9]*)\\$", "'19700101'");
sqlcontent = sqlcontent.replaceAll("\\$(-[0-9]*)\\$", "'19700101'");
sqlcontent = sqlcontent.replaceAll("\\$([currentdate]*)\\$", "1970-01-01");
sqlcontent = sqlcontent.replaceAll("\\$([billid|currentuser|currentdept|wfcreater|wfcredept|id|requestid]*)\\$", "0");
sqlcontent = sqlcontent.replaceAll("PARM\\(.*?\\)","0");
if(!"".equals(sqlcontent)){
if("".equals(datasourceid) || "null".equals(datasourceid)){
try{
statement = new ConnStatement();
statement.setStatementSql(sqlcontent);
statement.executeQuery();
isCanUse = true;
}catch(Exception e){
errormsg = e.getMessage();
isCanUse = false;
}finally{
try{
statement.close();
statement = null;
}catch(Exception e){
errormsg = e.getMessage();
//极有可能出错，出错时不做任何处理
}
}
}else{//数据源
Connection conn = null;
Statement stmt = null;
try{
String sql = "select a.*,b.driverclass, b.driverurl from datasourcesetting a,datasource_type b where a.pointid ='"+datasourceid+"' and b.dbtype=a.type";
String dbtype = "";
RecordSet RecordSet = new RecordSet();
RecordSet.execute(sql);
if(RecordSet.next()){
dbtype = RecordSet.getString("type");
}
if(dbtype.equals("db2")){
String url = Util.null2String(RecordSet.getString("url"));
String host = Util.null2String(RecordSet.getString("host"));
String port = Util.null2String(RecordSet.getString("port"));
String dbname = Util.null2String(RecordSet.getString("dbname"));
url = SecurityHelper.decrypt(SecurityHelper.KEY, url);
host = SecurityHelper.decrypt(SecurityHelper.KEY, host);
port = SecurityHelper.decrypt(SecurityHelper.KEY, port);
dbname = SecurityHelper.decrypt(SecurityHelper.KEY, dbname);
String forname = Util.null2String(RecordSet.getString("driverclass"));
String turl = Util.null2String(RecordSet.getString("driverurl"));
String username = Util.null2String(RecordSet.getString("username"));
String password = Util.null2String(RecordSet.getString("password"));
String iscode = Util.null2String(RecordSet.getString("iscode"));
if("1".equals(iscode)) {
username = SecurityHelper.decrypt(SecurityHelper.KEY, username);
password = SecurityHelper.decrypt(SecurityHelper.KEY, password);
}
if(!"".equals(turl)) {
turl = turl.replace("[host]", host).replace("[port]", port);
if(turl.indexOf("[servicename]") > -1) {// informix专用
String servicename = "myserver";
if(dbname.indexOf("@$") > -1) {
String dbnametemp = dbname;
dbname = dbnametemp.substring(0, dbnametemp.indexOf("@$"));
servicename = dbnametemp.substring(dbnametemp.indexOf("@$") + 2);
}
turl = turl.replace("[dbname]", dbname).replace("[servicename]", servicename);
} else {
turl = turl.replace("[dbname]", dbname);
}
}
Driver driver = (Driver)Class.forName(forname).newInstance();
DriverManager.registerDriver(driver);
conn = DriverManager.getConnection(turl, username, password);
}else{
conn = automaticconnect.getConnection("datasource."+datasourceid);//获得外部连接
}
stmt = conn.createStatement();
stmt.executeQuery(sqlcontent);
isCanUse = true;
}catch(Exception e){
errormsg = e.getMessage();
isCanUse = false;
}finally{
try{
stmt.close();
conn.close();
}catch(Exception e){
errormsg = e.getMessage();
}
}
}
}else{
isCanUse = true;
}
}catch(Exception e){
errormsg = e.getMessage();
isCanUse = false;
}
if(isCanUse){
errormsg = "";
}else{
if(errormsg.equals("null")){
errormsg = "";
}
}
if("1".equals(isFormMode)){
jsonObject.put("isCanUse",isCanUse);
jsonObject.put("errormsg",errormsg);
response.getWriter().write(jsonObject.toString());
return;
}
%>
<information>
<iscanuse><%=isCanUse%></iscanuse>
</information>