詳細は http://d.hatena.ne.jp/ino46/20090325/1237911763

googlechalendar.js

models.register({
    name : 'Google Calendar',
    ICON : 'http://calendar.google.com/googlecalendar/images/favicon.ico',

    check : function(ps){
        return ps.type=='regular';
    },

    post : function(ps){
        return request('http://www.google.com/calendar/m', {
            queryString : {
                hl : 'en',
            },
        }).addCallback(function(res){
            var doc = convertToHTMLDocument(res.responseText);
            if(doc.getElementById('gaia_loginform'))
                throw new Error(getMessage('error.notLoggedin'));

            var fs = formContents(doc);
            return request('http://www.google.com/calendar/m', {
                redirectionLimit : 0,
                sendContent: {
                    ctext : ps.description,
                    secid : fs.secid,
                    as_sdt : fs.as_sdt,
                },
            });
        });
    },
});