MetaWeblogApi.getPost (postid, username, password)
Functions that implement the metaWeblog-API, which partly includes and extends the Blogger-API see http://www.xmlrpc.com/metaWeblogApi for further details

Sourcecode in MetaWeblogApi/metaWeblogAPI.js:
1:   function getPost(postid, username, password) {
2:      var usr = root.blogger.getUser(username, password);
3:      var entry = root.storiesByID.get(postid.toString());
4:      if (!entry)
5:         throw("Couldn't find the story with id " + postid);
6:      // check if user is allowed to edit this story
7:      try {
8:         entry.checkView(usr, entry.site.members.getMembershipLevel(usr));
9:      } catch (deny) {
10:        throw("You're not allowed to edit the story with id " + postid);
11:     }
12:     return this.convertStoryToStruct(entry);
13:  }