Answer:
One can never really know the true beliefs of someone else. You can only estimate this based on a persons statements, but more importantly their Actions.
Since President Obama ran for office under the platform of the Democratic Party, one would assume he would share that parties beliefs. Their official platform states: The Democratic Party is committed to keeping our nation safe and expanding opportunity for every American. That commitment is reflected in an agenda that emphasizes the strong economic growth, affordable health care for all Americans, retirement security, open, honest and accountable government, and securing our nation while protecting our civil rights and liberties. (http://www.democrats.org/a/party/stand.html)
The following is a website that tracks whether or not he is holding true to his campaign promises (http://www.politifact.com/truth-o-meter/promises/)