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@@ -0,0 +1,149 @@
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+package com.gis.admin.shiro.filters;
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+
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+import com.alibaba.fastjson.JSONObject;
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+import com.gis.admin.shiro.JwtAuthenticationException;
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+import com.gis.admin.shiro.JwtToken;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.shiro.web.filter.authc.BasicHttpAuthenticationFilter;
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+import org.springframework.http.HttpStatus;
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+import org.springframework.web.bind.annotation.RequestMethod;
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+
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+import javax.servlet.ServletOutputStream;
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+import javax.servlet.ServletRequest;
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+import javax.servlet.ServletResponse;
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+import javax.servlet.http.HttpServletRequest;
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+import javax.servlet.http.HttpServletResponse;
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+import java.io.IOException;
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+import java.io.PrintWriter;
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+import java.time.LocalDateTime;
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+
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+/**
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+ * @Description: 鉴权登录拦截器
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+ * @Author: Scott
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+ * @Date: 2018/10/7
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+ **/
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+@Slf4j
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+public class JwtFilter extends BasicHttpAuthenticationFilter {
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+
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+ private boolean allowOrigin = true;
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+
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+ public JwtFilter(){}
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+ public JwtFilter(boolean allowOrigin){
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+ this.allowOrigin = allowOrigin;
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+ }
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+
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+ /**
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+ * 执行登录认证
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+ *
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+ * @param request
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+ * @param response
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+ * @param mappedValue
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+ * @return
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+ */
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+ @Override
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+ protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) {
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+ try {
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+ executeLogin(request, response);
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+ return true;
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+ } catch (Exception e) {
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+// throw new AuthenticationException("Token失效,请重新登录", e);
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+ exceptionMsg(e, response);
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+
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+ }
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+ // 前端没有响应,接收不到异常
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+ return false;
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+ }
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+
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+ /**
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+ *
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+ */
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+ @Override
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+ protected boolean executeLogin(ServletRequest request, ServletResponse response) throws Exception {
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+ HttpServletRequest httpServletRequest = (HttpServletRequest) request;
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+ String token = httpServletRequest.getHeader("token");
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+ // update-begin--Author:lvdandan Date:20210105 for:JT-355 OA聊天添加token验证,获取token参数
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+ if(token == null){
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+ token = httpServletRequest.getParameter("token");
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+ }
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+ // update-end--Author:lvdandan Date:20210105 for:JT-355 OA聊天添加token验证,获取token参数
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+
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+ JwtToken jwtToken = new JwtToken(token);
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+ // 提交给realm进行登入,如果错误他会抛出异常并被捕获
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+ getSubject(request, response).login(jwtToken);
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+ // 如果没有抛出异常则代表登入成功,返回true
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+ return true;
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+ }
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+
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+ /**
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+ * 对跨域提供支持
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+ */
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+ @Override
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+ protected boolean preHandle(ServletRequest request, ServletResponse response) throws Exception {
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+ HttpServletRequest httpServletRequest = (HttpServletRequest) request;
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+ HttpServletResponse httpServletResponse = (HttpServletResponse) response;
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+ if(allowOrigin){
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+ httpServletResponse.setHeader("Access-control-Allow-Origin", httpServletRequest.getHeader("Origin"));
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+ httpServletResponse.setHeader("Access-Control-Allow-Methods", "GET,POST,OPTIONS,PUT,DELETE");
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+ httpServletResponse.setHeader("Access-Control-Allow-Headers", httpServletRequest.getHeader("Access-Control-Request-Headers"));
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+ //update-begin-author:scott date:20200907 for:issues/I1TAAP 前后端分离,shiro过滤器配置引起的跨域问题
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+ // 是否允许发送Cookie,默认Cookie不包括在CORS请求之中。设为true时,表示服务器允许Cookie包含在请求中。
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+ httpServletResponse.setHeader("Access-Control-Allow-Credentials", "true");
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+ //update-end-author:scott date:20200907 for:issues/I1TAAP 前后端分离,shiro过滤器配置引起的跨域问题
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+ }
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+ // 跨域时会首先发送一个option请求,这里我们给option请求直接返回正常状态
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+ if (httpServletRequest.getMethod().equals(RequestMethod.OPTIONS.name())) {
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+ httpServletResponse.setStatus(HttpStatus.OK.value());
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+ return false;
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+ }
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+ //update-begin-author:taoyan date:20200708 for:多租户用到
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+// String tenant_id = httpServletRequest.getHeader(CommonConstant.TENANT_ID);
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+// TenantContext.setTenant(tenant_id);
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+ //update-end-author:taoyan date:20200708 for:多租户用到
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+ return super.preHandle(request, response);
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+ }
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+
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+ /**
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+ * 封装异常信息
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+ */
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+ private void exceptionMsg(Exception e, ServletResponse response) {
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+ // 认证出现异常,传递错误信息msg
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+ String msg = e.getMessage();
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+ // 获取应用异常(该Cause是导致抛出此throwable(异常)的throwable(异常))
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+ Throwable throwable = e.getCause();
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+ JSONObject jsonObject = new JSONObject();
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+ if (throwable instanceof JwtAuthenticationException) {
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+ jsonObject.put("code", ((JwtAuthenticationException) throwable).getCode());
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+ jsonObject.put("msg", ((JwtAuthenticationException) throwable).getMsg());
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+ } else {
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+ log.error(msg);
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+ jsonObject.put("code", 5002);
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+ jsonObject.put("msg", "token invalid");
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+
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+ }
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+ jsonObject.put("timestamp", LocalDateTime.now());
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+ // 直接返回Response信息
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+ this.writeResponse(response, jsonObject);
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+
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+ }
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+
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+ /**
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+ * 无需转发,直接返回Response信息
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+ *
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+ */
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+ private void writeResponse(ServletResponse response, JSONObject msg) {
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+ response.setCharacterEncoding("UTF-8");
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+ response.setContentType("application/json; charset=utf-8");
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+ ServletOutputStream outputStream = null;
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+ try {
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+ outputStream = response.getOutputStream();
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ assert outputStream != null;
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+ PrintWriter printWriter = new PrintWriter(outputStream, true);
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+ printWriter.write(msg.toString());//直接将json输出到页面
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+ printWriter.flush();
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+ printWriter.close();
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+
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+ }
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+}
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