restful中数据权限加密方式有很多种,特别是针对于request json的方式加密,这里详细介绍了SOA中针对于get、post数据加密方式,保证数据传输中的安全性:
public class DataSignInterceptor implements MethodInterceptor {
@Autowired
private SoaServiceConfigService soaServiceConfigService;
@Autowired
private SoaAppSecretService soaAppSecretService;
@Autowired
private SoaServiceApplyService soaServiceApplyService;
public Object invoke(MethodInvocation mi) throws Throwable {
//TODO 此处应该先查询缓存
//获取所有未管控的服务列表
List<SoaServiceConfig> soaServiceConfigList = soaServiceConfigService.findNoSwitchList();
if(soaServiceConfigList != null){
//放入缓存
}
Object[] ars = mi.getArguments();
// 判断该方法是否加了DataSign 注解
if (mi.getMethod().isAnnotationPresent(DataSign.class)) {
// 获取拦截方法的请求参数
HttpServletRequest request = null;
JSONObject jsonBody = null;
Map<String, String> reqGetParamMap = null; // 客户端传递的参数信息
Map<String, String> reqPostParamMap = null; // 客户端传递的参数信息
Map<String, String> resultParamMap = new HashMap<String, String>();
for (Object obj : ars) {
if (obj instanceof HttpServletRequest) {
request = (HttpServletRequest) obj;
reqGetParamMap = (Map<String, String>) request.getParameterMap();
Set keSet = reqGetParamMap.entrySet();
for (Iterator itr = keSet.iterator(); itr.hasNext();) {
Map.Entry me = (Map.Entry) itr.next();
String key = me.getKey().toString();
Object ov = me.getValue();
String[] value =new String[1];
if(ov instanceof String[]){
value=(String[])ov;
}else{
value[0]=ov.toString();
}
resultParamMap.put(key, value[0]);
}
} else if (obj instanceof JSONObject) {
jsonBody = (JSONObject) obj;
ObjectMapper objMap = new ObjectMapper();
reqPostParamMap = objMap.readValue(jsonBody.toString(), Map.class);
resultParamMap = reqPostParamMap;
}
}
String serviceUrl = request.getServletPath();
if(StringUtils.isNotEmpty(serviceUrl)){
serviceUrl = serviceUrl.substring(serviceUrl.indexOf("/",2));
}
//TODO 应该从缓存取,当前先这样处理
//如果所有未管控的服务列表中包含用户请求的服务连接,则不需要再进行管控,直接放开服务控制权
if(soaServiceConfigList != null){
for(SoaServiceConfig soaServiceConfig : soaServiceConfigList){
if(serviceUrl.equals(soaServiceConfig.getServiceUrl())){
return mi.proceed();
}
}
}
String reqSign = resultParamMap.get("sign");// 客户端传递的签名认证信息
// 验证签名不能为空
if (StringUtils.isEmpty(reqSign)) {
return new ResponseVO(DataSignEnum.SIGN_NOT_NULL.getCode(), DataSignEnum.SIGN_NOT_NULL.getMessage(),
null);
}
String appname = resultParamMap.get("appname");
// 验证应用名不能为空
if (StringUtils.isEmpty(appname)) {
return new ResponseVO(DataSignEnum.APPNAME_NOT_NULL.getCode(),
DataSignEnum.APPNAME_NOT_NULL.getMessage(), null);
}
SoaServiceApply soaServiceApply = soaServiceApplyService.getServiceApplyByAppname(serviceUrl, appname);
if(null == soaServiceApply){
return new ResponseVO(DataSignEnum.APPNAME_NOT_APPLY.getCode(),
DataSignEnum.APPNAME_NOT_APPLY.getMessage(), null);
}
SoaAppSecret soaAppSecret = soaAppSecretService.findAppSecretByAppName(appname);
if(null == soaAppSecret){
return new ResponseVO(DataSignEnum.APPNAME_NOT_EXISTS.getCode(),
DataSignEnum.APPNAME_NOT_EXISTS.getMessage(), null);
}
// 根据参数重新生成新的签名sign(因为sign不能认为是业务参数,故将sign从map中移除后再加密)
resultParamMap.remove("sign");
resultParamMap.put("token", soaAppSecret.getToken());
String sign = MD5Utils.paramString(resultParamMap);
// 根据应用名获取应用名对应的秘钥(目的是和url请求的参数一起进行签名认证)
if (!StringUtils.equals(sign, reqSign)) {
return new ResponseVO(DataSignEnum.SIGN_NOT_MATCH.getCode(), DataSignEnum.SIGN_NOT_MATCH.getMessage(),
null);
}
}
// 执行被拦截的方法,切记,如果此方法不调用,则被拦截的方法不会被执行。
return mi.proceed();
}
/**
* 数据签名枚举
*
* @author Administrator
*/
public enum DataSignEnum {
SIGN_NOT_NULL(2001, "签名不能为空."),
SIGN_NOT_MATCH(2002, "签名不匹配,传递的数据被篡改过."),
APPNAME_NOT_NULL(2003, "应用名不能为空."),
APPNAME_NOT_EXISTS(2004, "应用名不存在."),
APPNAME_NOT_APPLY(2005, "当前应用没有权限访问此服务,请联系管理员进行服务申请.");
// 成员变量
private int code; // 状态码
private String message; // 返回消息
// 构造方法
private DataSignEnum(int code, String message) {
this.code = code;
this.message = message;
}
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
}
}