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package security.interceptor;
import com.fasterxml.jackson.databind.ObjectMapper;
import common.model.Auth;
import common.model.User;
import common.repository.AuthRepository;
import common.repository.UserRepository;
import dic.RoleEnum;
import net.sf.json.JSONArray;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import security.RedisLoginStatusManager;
import security.TokenManager;
import security.annotation.AuthKey;
import util.Constant;
import util.ResultModel;
import util.ResultStatus;
import util.StringUtil;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.util.Map;
import java.util.stream.Collectors;
public class AuthorizationInterceptor extends HandlerInterceptorAdapter {
private static final Logger logger = LoggerFactory.getLogger(AuthorizationInterceptor.class);
//存放鉴权信息的Header名称，默认是Authorization
public static String httpHeaderName = "Authorization";
@Autowired
private UserRepository userRepository;
@Autowired
private AuthRepository authRepository;
@Autowired
private TokenManager manager;
@Autowired
private RedisLoginStatusManager redisLoginStatusManager;
//鉴权信息的无用前缀，默认为空
private String httpHeaderPrefix = "";
public void setHttpHeaderName(String httpHeaderName) {
this.httpHeaderName = httpHeaderName;
}
public void setHttpHeaderPrefix(String httpHeaderPrefix) {
this.httpHeaderPrefix = httpHeaderPrefix;
}
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
//放开登录
String requestURL = request.getRequestURL().toString();
if (requestURL.contains("findSaleInfo")) {
System.out.println("-----" + requestURL.contains("findSaleInfo"));
return true;
}
// System.out.println("============="+requestURL);
// System.out.println(requestURL.indexOf("accountmng/findSaleInfo"));
if (requestURL.indexOf("login/login") != -1
|| requestURL.indexOf("update/pwd") != -1
|| requestURL.indexOf("user/forget") != -1
|| requestURL.indexOf("user/code") != -1
|| requestURL.indexOf("txt2db") != -1
|| requestURL.indexOf("/test/contract/flow") != -1
|| requestURL.indexOf("contract/build") != -1
|| requestURL.indexOf("accountmng/findSaleInfo") != -1) {
return true;
}
//从header中得到token
String token = request.getHeader(httpHeaderName);
//token = StringUtil.isEmpty(token) ? getCookieToken(request.getCookies(), "TOKEN") : token;
if (null != token) {
token = token.substring(httpHeaderPrefix.length());
//验证token
String key = manager.getKeyFromToken(token);
//登陆状态
boolean loginStatus = redisLoginStatusManager.getLoginStatusByKey(token);
if (!StringUtil.isEmpty(key)) {
User sessionAct = (User) request.getSession().getAttribute(Constant.CURRENT_ACCOUNT);
// 可这里查出权限
if (sessionAct == null) {
User one = userRepository.findOne(Long.parseLong(key));
if (!one.getRole().equals(RoleEnum.MANAGER.getKey())) {
Auth auth = authRepository.findByUser(one.getId());
Map<String, String> authdata = (Map<String, String>) JSONArray.fromObject(auth.getAuth())
.stream().collect(Collectors.toMap(p -> ((Map) p).get("id").toString(), p -> "0"));
one.setAuthdataDic(authdata);
}
request.getSession().setAttribute(Constant.CURRENT_ACCOUNT, one);
sessionAct = one;
}
if (!sessionAct.getRole().equals(RoleEnum.MANAGER.getKey())) {
//权限控制
AuthKey authKey = handler.getClass().getAnnotation(AuthKey.class);
if (authKey != null && sessionAct.getAuthdataDic().get(authKey.value().getIdKey()) == null) {
printJsonResponse(response, "权限不足!");
return false;
}
return true;
}
return true;
}
}
printJsonResponse(response, null);
return false;
}
private void printJsonResponse(HttpServletResponse response, String message) {
try {
//如果验证token失败，并且方法注明了Authorization，返回401错误
response.setStatus(HttpStatus.UNAUTHORIZED.value());
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(response.getOutputStream()));
response.setContentType(MediaType.APPLICATION_JSON_VALUE);
if (StringUtils.isEmpty(message)) {
message = new ObjectMapper().writeValueAsString(ResultModel.ERROR(ResultStatus.USERNAME_LOGIN_EXPIRE));
}
writer.write(message);
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private String getCookieToken(Cookie[] cookies, String name) {
String token = null;
if (null != cookies) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals(name)) {
token = cookie.getValue();
}
}
}
return token;
}
}