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package security.interceptor;
import common.model.User;
import common.repository.UserRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
import security.RedisLoginStatusManager;
import security.TokenManager;
import util.Constant;
import util.StringUtil;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
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 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
if (request.getRequestURL().indexOf("login/login") != -1
|| request.getRequestURL().indexOf("update/pwd") != -1
|| request.getRequestURL().indexOf("user/forget") != -1
|| request.getRequestURL().indexOf("user/code") != -1){
return true;
}
//从header中得到token
String token = request.getHeader(httpHeaderName);
token = StringUtil.isEmpty(token) ? getCookieToken(request.getCookies(), "TOKEN") : 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)) {
String id = getCookieToken(request.getCookies(), "TOKEN");
User one = userRepository.findOne(Long.parseLong(key));
User sessionAct = (User) request.getSession().getAttribute(Constant.CURRENT_ACCOUNT);
if (sessionAct == null) {
request.getSession().setAttribute(Constant.CURRENT_ACCOUNT,one);
}
return true;
}
return false;
}
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;
}
}