egg-xc-base/lib/sso.js

a base framework with egg.js

'use strict';

const Controller = require('egg-xc-base').BaseController;

class SsoController extends Controller {
    async callback(){
       this.success([])
    } 
    async logout(){
        const {ctx} = this
        const user = ctx.state.user || null;
        let logoutSuccess = false;
        ctx.logger.info('logout user',user)
        if(!!user && !!user.accessToken ){//如果user存在，并且user.accessToken 存在则验证user登录有效性
              if(!!ctx.session.passport && !!ctx.session.passport.user){
                  ctx.session.passport.user = null
              }
               const result = await ctx.helper.httpGetSSO(this.app.config.passportDalitek.logoutURL,{
                  headers : {
                     Authorization : `Bearer ${user.accessToken}`
                  }
               })
               if(result){
                logoutSuccess = true
               }
         }
         const user_agent = this.ctx.headers["user-agent"]
         if(
                 user_agent.startsWith('Mozilla')
             ||  user_agent.startsWith('Opera') 
             ||  user_agent.startsWith('MQQBrowser') 
             ||  user_agent.startsWith('UCWEB') 
             ||  user_agent.startsWith('NOKIA5700') 
             ||  user_agent.startsWith('Openwave') 
         ){//来源于浏览器
             await this.ctx.redirect(this.app.config.passportDalitek.loginURL)
         }else{
             if(!logoutSuccess){
                throw new this.app.serverError('Invalid grant: access token has expired!')
             }
             this.success([])
         }
    
      }
}
module.exports = SsoController;