Class : SessionInterceptor
package com.estate.web.filter; import javax.annotation.Resource; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.math.NumberUtils; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.handler.HandlerInterceptorAdapter; import com.ucenter.api.exception.SessionException; import com.ucenter.api.exception.SignatureException; import com.ucenter.api.exception.TimeOutException; import com.ucenter.api.session.bean.Result; import com.ucenter.api.session.service.IWebSessionService; public class SessionInterceptor extends HandlerInterceptorAdapter { @Resource private IWebSessionService webSessionService; @Override public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { // 从request中获取sessionid String sessionid = request.getParameter("sessionid"); if (StringUtils.isBlank(sessionid)) { // 从cookies中获取sessionid Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if ("sessionid".equals(cookie.getName())) { sessionid = cookie.getValue(); } } } } if (StringUtils.isBlank(sessionid)) throw new SessionException(); // 获取时间戳 long timestamp = NumberUtils.toLong(request.getParameter("timestamp"), 0); if (timestamp <= 0) throw new TimeOutException(); // 获取签名 String signature = request.getParameter("signature"); if (StringUtils.isBlank(signature)) throw new SignatureException(); // dubbo校验 Result result = webSessionService.checkSessionid(sessionid, signature, timestamp); // 校验成功,将sessionid放入request对象中 request.setAttribute("sessionid", sessionid); request.setAttribute("ecid", result.getEcid()); request.setAttribute("uid", result.getUid()); return true; } @Override public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception { super.postHandle(request, response, handler, modelAndView); } }
Class : GlobalExceptionHandler
package com.xindatai.ibs.web.exception; import java.io.IOException; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.http.HttpStatus; import org.springframework.validation.BindException; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseStatus; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.serializer.SerializerFeature; import com.ucenter.api.exception.SessionException; import com.ucenter.api.exception.SignatureException; import com.ucenter.api.exception.TimeOutException; import com.xindatai.common.web.resp.BaseRespWriter; @ControllerAdvice public class GlobalExceptionHandler { public static final Logger LOGGER = LoggerFactory.getLogger(GlobalExceptionHandler.class); @ResponseStatus(value = HttpStatus.NOT_FOUND, reason = "IOException occured") @ExceptionHandler(IOException.class) @ResponseBody public void handleIOException() { // returning 404 error code } @ResponseStatus(HttpStatus.OK) @ResponseBody @ExceptionHandler(TimeOutException.class) public void timeOutException(HttpServletRequest request, HttpServletResponse response, TimeOutException ex) throws IOException { outputMessage(response, JSON.toJSONString(ex.getWriter(), SerializerFeature.DisableCircularReferenceDetect)); // return JSON.toJSONString(ex.getWriter(), SerializerFeature.DisableCircularReferenceDetect); } @ResponseStatus(HttpStatus.OK) @ResponseBody @ExceptionHandler(SessionException.class) public void sessionException(HttpServletRequest request, HttpServletResponse response, SessionException ex) throws IOException { outputMessage(response, JSON.toJSONString(ex.getWriter(), SerializerFeature.DisableCircularReferenceDetect)); // return JSON.toJSONString(ex.getWriter(), SerializerFeature.DisableCircularReferenceDetect); } // @ResponseStatus(HttpStatus.BAD_REQUEST) @ResponseStatus(HttpStatus.OK) @ResponseBody @ExceptionHandler(SignatureException.class) public void tokenException(HttpServletRequest request, HttpServletResponse response, SignatureException ex) throws IOException { outputMessage(response, JSON.toJSONString(ex.getWriter(), SerializerFeature.DisableCircularReferenceDetect)); } @ExceptionHandler @ResponseBody public void handleException(HttpServletRequest request, HttpServletResponse response, Exception e) throws IOException { LOGGER.error("API Exception! ", e); BaseRespWriter writer = new BaseRespWriter(); writer.setErrMsg("API Exception!"); outputMessage(response, JSON.toJSONString(writer)); } @ResponseStatus(HttpStatus.OK) @ResponseBody @ExceptionHandler(BindException.class) public void bindException(HttpServletRequest request, HttpServletResponse response, Exception e) throws IOException { LOGGER.error("Param Exception! ", e); BaseRespWriter writer = new BaseRespWriter(); writer.setErrMsg("Param Exception!"); outputMessage(response, JSON.toJSONString(writer)); } private void outputMessage(HttpServletResponse response, String errMsg) throws IOException { response.setCharacterEncoding("UTF-8"); response.setContentType("text/json"); ServletOutputStream os = response.getOutputStream(); os.write(errMsg.getBytes("utf-8")); } }
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时间: 2024-10-09 19:28:02