shark-node-openid/lib/index/openIDDecoractor.js

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

var q = require('q');
var OpenIdLoginService = require('../service/OpenIdLoginService');
var OpenIdDecoractor = require('../Decoractor/OpenIdDecoractor');
var logger = require('log4js').getLogger('shark_openid');

var _contextPath = "";

var OpenIDDecoractor = {
    needLogin : function(func){
        return function(req, res, next){
            logger.info(req.url);
            var result = null;
            var session = req.session;
            var reqHost = req.headers.host;
            var reqPath = req.originalUrl; /* 这边要是一个originalUrl，具体path跟originalUrl官网有说明，原先我永成了path，有问题 */
            var protocol = req.protocol + "://";
            if(session.openid && session.openid.email){
                logger.info(session.openid.email);
            }

            OpenIdDecoractor.isLogin(session).then(function(){
                result = func(req, res, next);
                return result;
            }, function(){
                /* 产生一个需要跳转到公司的验证网站进行验证 */
                OpenIdDecoractor.to_openid_login(session, reqHost, reqPath, protocol, _contextPath).then(function(REDIRECT_URL){
                    res.redirect(REDIRECT_URL);
                }, function(result){
                    logger.info(result.code + ":" + result.message);
                    res.send(result.message);
                });
            });
        }
    },

    init: function (app, options){
        _contextPath = options.contextPath? options.contextPath : "";
        var openid_login_url = _contextPath + '/openid_login';
        var openid_logout_url = _contextPath + '/openid_logout';

        app.get(openid_login_url, function(req, res, next){
            logger.info(req.url);
            var urlParams = req.query;
            var session = req.session;

            OpenIdDecoractor.checkOpenIdCallBack(urlParams, session).then(function(result){
                res.redirect(result.redirect);
            }, function(result){
                logger.info(result.code + ":" + result.message);
                res.redirect(result.redirect);
            });
        });

        app.get(openid_logout_url, function(req, res, next){
            logger.info(req.url);
            var session = req.session;
            if(session.openid && session.openid.email){
                logger.info(session.openid.email);
            }
            
            /* 网页上面第三步骤中的第一步 */
            delete req.session.openid;
            delete req.session['ASSOC'];

            var urlParams = req.query;
            if(urlParams["url"] !== void 0){
                res.redirect(urlParams["url"]);
            }else{
                res.send("登出成功");
            }
        });
    },

    ajaxNeedLogin: function(func, config){
        return function(req, res, next){
            logger.info(req.url);
            var result = null;
            var session = req.session;
            if(session.openid && session.openid.email){
                logger.info(session.openid.email);
            }

            OpenIdDecoractor.isLogin(session).then(function(){
                result = func(req, res, next);
                return result;
            }, function(){
                if(config && config.error){
                    res.send(config.error);
                }else{
                    var obj = {
                        "code": 400,
                        "message": "this ajax api need to login first"
                    };
                    res.send(obj);
                }
            });
        }
    }
};

module.exports = {
    init: OpenIDDecoractor.init,
    needLogin: OpenIDDecoractor.needLogin,
    ajaxNeedLogin: OpenIDDecoractor.ajaxNeedLogin
};