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package myaction.extend;
import java.util.Date;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import myaction.utils.DateUtil;
import myaction.utils.MD5Util;
import myaction.utils.SortUtil;
import net.sf.jsqlx.DB;
import net.sf.jsqlx.JSQLException;
import net_io.core.StatNIO;
import net_io.myaction.BaseMyAction;
import net_io.myaction.CheckException;
import net_io.utils.EncodeUtils;
import net_io.utils.MixedUtils;
import net_io.utils.NetLog;
abstract public class BaseServiceAction extends BaseMyAction {
//签名过期时间：10分钟
private static final long SIGN_EXPIRE_TIME = 600 * StatNIO.ONE_THOUSAND_LONG;
private static AtomicLong sRunCount = new AtomicLong(0);
private static AtomicLong sRunUsTime = new AtomicLong(0);
private String glbVisitId = EncodeUtils.createTimeRandId(); //创建唯一的日志ID
/** 获取运行次数 **/
public static long getTotalRunCount() { return sRunCount.get(); }
/** 获取运行时间（单位：毫秒） **/
public static long getTotalRunTime() { return sRunUsTime.get() / StatNIO.ONE_THOUSAND_LONG; }
/** 获取运行时间 **/
public String getPageVisitId() { return glbVisitId; }
public BaseServiceAction() {
sRunCount.incrementAndGet(); //运行次数总计
}
/**
* 获取参与签名的字段名（参与签名字段不允许为空）
* @return 返回null或空数组，则按默认校验签名
*/
protected String[] getSignFieldNames() {
return null;
}
/** Action执行前过滤器（支持异常，并中断进程） **/
protected void filterStart() throws Exception {}
/** Action执行后过滤器（若有异常，不影响主进程） **/
protected void filterEnd() {}
/**
* 权限验证
* 参数：
* g_platform 调用中间件的平台。系统配置
* g_uid 用户ID。可为空，默认为0
* g_accout 帐号名，默认为空
* g_agent 浏览器ID(agent_id)，不为空
* g_ip 客户端IP地址，可为空
* g_time 接口调用时间戳，北京时间，单位 秒。请求时间必须在前后10分钟内
* g_sign 签名。默认签名：g_platform + g_agent + g_time + {secret_key}
*/
@Override
protected void beforeExecute() throws Exception {
filterStart(); //执行前过滤器
}
@Override
final public void defaultExecute(String methodName) throws Exception {
service(methodName);
}
@Override
protected void afterExecute() throws Exception {
//MessageLogFileBean.updateWriter(); //更新消息系统消息记录文件地址
try {
filterEnd(); //执行后过滤器
} catch(Exception e) {
NetLog.logError(e);
} finally {
super.afterExecute();
Exception lastE = this.getLastActionException();
if(lastE != null) {
if(lastE instanceof JSQLException) {
String lastSQL = ((JSQLException)lastE).getRunSQL();
System.err.println(DateUtil.getDateTime()+" - Exception SQL: "+lastSQL);
}
}
//回收连接资源
DB.forceReleaseCurrentInstance();
long costNsTime = System.nanoTime() - request.getStartNanoTime();
sRunUsTime.addAndGet(costNsTime / StatNIO.ONE_THOUSAND_LONG); //运行时间总计
}
}
abstract public void service(String methodName) throws Exception;
protected void throwNotFoundException(String methodName) throws CheckException {
throw new CheckException(404, "Not Found Method: "+methodName);
}
/**
* 检查API请求的签名
* 必要字段：g_appid, g_time, g_sign
* @param params
*/
protected void checkApiSign(Map params, String appKey) throws CheckException {
String appID = params.get("g_appid");
String sTime = params.get("g_time");
String sign = params.get("g_sign");
boolean checkOldSign = false;
if(MixedUtils.isEmpty(appID)) {
appID = params.get("g_platform"); //兼容旧版（20180910）
checkOldSign = true;
}
if(MixedUtils.isEmpty(appID)) {
throw new CheckException(621, "The parameter of 'g_appid' is empty.");
}
if(MixedUtils.isEmpty(sTime)) {
throw new CheckException(622, "The parameter of 'g_time' is empty.");
}
if(MixedUtils.isEmpty(sign)) {
throw new CheckException(623, "The parameter of 'g_sign' is empty.");
}
long glbClientTime = MixedUtils.parseLong(sTime) * StatNIO.ONE_THOUSAND_LONG;
//当前时间
long curTime = new Date().getTime();
if(curTime-glbClientTime > SIGN_EXPIRE_TIME || glbClientTime-curTime > SIGN_EXPIRE_TIME) {
throw new CheckException(624, "The sign had been expire.");
}
//验证签名
String[] signNames = getSignFieldNames();
if (signNames != null && signNames.length > 0) {
for (String name : signNames) {
if (MixedUtils.isEmpty(params.get(name))) {
throw new CheckException(625, "The parameter of '" + name + "' is empty.");
}
}
} else {
signNames = new String[params.size()];
int index = 0;
for (String name : params.keySet()) {
signNames[index++] = name;
}
signNames = SortUtil.sort(signNames, SortUtil.ASC);
}
StringBuilder build = new StringBuilder();
for(String name : signNames) {
if("g_sign".equals(name)) {
continue;
}
build.append(params.get(name));
}
build.append(appKey);
String rightSign = EncodeUtils.md5(build.toString());
if(sign.equals(rightSign) == false) {
if(checkOldSign) {
String agentID = params.get("g_agent");
if(MixedUtils.isEmpty(agentID)) {
throw new CheckException(625, "The parameter of 'g_agent' is empty.");
}
build = new StringBuilder();
build.append(appID);
build.append(agentID);
build.append(sTime);
if(params.containsKey("g_args")) {
build.append(params.get("g_args"));
}
build.append(appKey);
String rightOldSign = MD5Util.md5(build.toString());
if(sign.equals(rightOldSign) == false) {
if(params.containsKey("args")) {
build.append(params.get("args"));
rightOldSign = MD5Util.md5(build.toString());
if(sign.equals(rightOldSign) == false) {
throw new CheckException(626, "The sign not match.");
}
} else {
throw new CheckException(627, "The sign not match.");
}
}
} else {
throw new CheckException(628, "The sign not match.");
}
}
}
}