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95 lines
3.3 KiB
95 lines
3.3 KiB
package com.interceptor;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.HashMap;
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import java.util.Map;
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import com.alibaba.fastjson.JSONObject;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.web.method.HandlerMethod;
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import org.springframework.web.servlet.HandlerInterceptor;
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import com.annotation.IgnoreAuth;
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import com.entity.EIException;
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import com.entity.TokenEntity;
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import com.service.TokenService;
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import com.utils.R;
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/**
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* 权限(Token)验证
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*/
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@Component
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public class AuthorizationInterceptor implements HandlerInterceptor {
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public static final String LOGIN_TOKEN_KEY = "Token";
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@Autowired
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private TokenService tokenService;
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
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String servletPath = request.getServletPath();
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if("/dictionary/page".equals(request.getServletPath()) || "/file/upload".equals(request.getServletPath()) || "/yonghu/register".equals(request.getServletPath()) ){//请求路径是字典表或者文件上传 直接放行
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return true;
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}
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//支持跨域请求
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response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
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response.setHeader("Access-Control-Max-Age", "3600");
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response.setHeader("Access-Control-Allow-Credentials", "true");
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response.setHeader("Access-Control-Allow-Headers", "x-requested-with,request-source,Token, Origin,imgType, Content-Type, cache-control,postman-token,Cookie, Accept,authorization");
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response.setHeader("Access-Control-Allow-Origin", request.getHeader("Origin"));
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IgnoreAuth annotation;
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if (handler instanceof HandlerMethod) {
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annotation = ((HandlerMethod) handler).getMethodAnnotation(IgnoreAuth.class);
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} else {
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return true;
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}
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//从header中获取token
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String token = request.getHeader(LOGIN_TOKEN_KEY);
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/**
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* 不需要验证权限的方法直接放过
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*/
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if(annotation!=null) {
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return true;
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}
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TokenEntity tokenEntity = null;
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if(StringUtils.isNotBlank(token)) {
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tokenEntity = tokenService.getTokenEntity(token);
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}
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if(tokenEntity != null) {
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request.getSession().setAttribute("userId", tokenEntity.getUserid());
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request.getSession().setAttribute("role", tokenEntity.getRole());
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request.getSession().setAttribute("tableName", tokenEntity.getTablename());
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request.getSession().setAttribute("username", tokenEntity.getUsername());
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return true;
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}
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PrintWriter writer = null;
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response.setCharacterEncoding("UTF-8");
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response.setContentType("application/json; charset=utf-8");
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try {
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writer = response.getWriter();
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writer.print(JSONObject.toJSONString(R.error(401, "请先登录")));
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} finally {
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if(writer != null){
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writer.close();
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}
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}
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// throw new EIException("请先登录", 401);
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return false;
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}
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}
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