shark-node-openid/index.js

shark-node-openid is used for netease's openid.

/**
 * @author: stone-jin
 * @description: 当前openid的库支持express和hapi两个版本的openid登陆
 * @date: 2016/11/1
 */

var app_type = "";
var openIDDecoractor = null;
var DBAccess = require('./lib/db/DbAccess');
var q = require('q');
var utils = require('./lib/utils/systeminfo.js');
var package = require('./package.json');
var log4js = require('log4js');
var log4js_config = require('./lib/config/log.config');
log4js.configure(log4js_config);

var logger = log4js.getLogger('shark_openid');

/**
 * @author: stone-jin
 * @description: 当前支持hapi和express版本
 *               app: express实例或者hapi的实例
 *               type：表示那种类型,hapi或者express
 *               options：控制参数
 *                      {
 *                          contextPath: 登陆登出前面有一个contextPath可以进行配置
 *                          sqlUrl: 数据库连接的地址，参照db.json，或者查看orm框架里面如何连接对应的数据库来操作
 *                      }
 * @date: 2016/11/1
 */
function init(app, type, options){
    var defer = q.defer();
    logger.info("\n---------------start------------");
    logger.info("shark_openid_version: " + package.version);
    //打印系统信息
    utils.recordSystemInfo();
    do{
        switch(type){
            case 'express':{
                openIDDecoractor = require('./lib/index/openIDDecoractor');
                break;
            }
            case 'hapi':{
                openIDDecoractor = require('./lib/index/openIDDecoractor_hapi');
                break;
            }
            default:{
                logger.info("type need to be express or hapi");
                defer.reject({
                    "code": 202,
                    "message": "type need to be express or hapi"
                });
                break;
            }
        }

        app_type = type;
        if(options === void 0){
            options = {};
        }

        /* 跟数据库建立长连接，没搞连接池 */
        new DBAccess().init(options.sqlUrl).then(function(OpenIdLoginUser){
            openIDDecoractor.init(app, options);
            defer.resolve({
                "code": 200,
                "data" :{
                    OpenIdLoginUser: OpenIdLoginUser
                }
            });
        }, function(err){
            /* 数据库操作失败 */
            logger.info("Fail to init DBAccess()");
            defer.reject({
                "code": 201,
                "message": "Fail to init DBAccess()"
            });
        });
    }while(0);

    return defer.promise;
}

function needLogin(func){
    if(app_type !== 'express' && app_type !== 'hapi'){
        logger.info("you should init first");
        throw new Error("you should init first");
    }

    return openIDDecoractor.needLogin(func);
}

function ajaxNeedLogin(func, config){
    if(app_type !== 'express' && app_type !== 'hapi'){
        logger.info("you should init first");
        throw new Error("you should init first");
    }

    return openIDDecoractor.ajaxNeedLogin(func, config);
}

function getCurrentUserInfo(email){
    var OpenIdLoginService = require('./lib/service/OpenIdLoginService');
    return OpenIdLoginService.getCurrentUserInfo(email);
}

function authLogin(config){
    return function(req, res, next){
        needLogin(function(){
            next();
        })(req, res, next);
    }
}

function ajaxAuthLogin(config){
    return function(req, res,next){
        ajaxNeedLogin(function(){
            next();
        }, config)(req, res, next);
    }
}

module.exports = {
    init: init,
    needLogin: needLogin,
    ajaxNeedLogin: ajaxNeedLogin,
    getCurrentUserInfo: getCurrentUserInfo,
    authLogin: authLogin,
    ajaxAuthLogin: ajaxAuthLogin
};