redisdog/src/cnphper.com/redisdog/common.go

package main

import (
	"net/http"
)

type ErrorRet struct {
	Errno int    `json:"errno"`
	Error string `json:"error"`
}

func getSession(req *http.Request) (*Session, bool) {
	var sessid string
	cookies := req.Cookies()
	if len(cookies) > 0 {
		for _, item := range cookies {
			if item.Name == "sessid" && item.Value != "" {
				sessid = item.Value
				break
			}
		}
	}
	if sessid == "" {
		return nil, false
	} else {
		return SessPoll.Get(sessid)
	}
}

func checkLogin(resp http.ResponseWriter, req *http.Request) (*Session, bool) {
	sess, ok := getSession(req)
	if !ok {
		resp.Header().Set("Location", "/login")
		resp.WriteHeader(302)
	}
	return sess, ok
}