gistfile1.py

class Auth(object):
    """Provides an interface to services provided by minecraft.net"""
    
    def __init__(self, username, password):
        self.username = username
        self.password = password
        self.launcher_ver = 999999999
    
    def _get_version(self):
        from urllib import urlopen
        page = urlopen("http://www.minecraft.net/game/getversion.jsp?user={0}&password={1}&version={2}".format(self.username, self.password, self.launcher_ver))
        
        return page.read().split(":")
    
    def get_latest_version(self):
        """Returns the latest available client version"""
        return self._get_version()[0]
        
    def get_download_ticket(self):
        """Returns a download ticket used for getting updated copies of minecraft.jar"""
        return self._get_version()[1]
        
    def get_case_correct_username(self):
        """Returns a case-corrected username of a valid Alpha account"""
        return self._get_version()[2]
    
    def get_session_id(self):
        """Returns a session ID used for authenticating with Alpha servers"""
        return self._get_version()[3]
        
    def get_minecraft_jar(self):
        """Gets the latest minecraft.jar game file and returns a temporary filename where it's stored"""
        from urllib import urlretrieve
        fname, headers = urlretrieve("http://minecraft.net/game/minecraft.jar?user={0}&ticket={1}".format(self.username, self.get_download_ticket()))
        return fname
        
    def do_join_server(server_hash):
        from urllib import urlopen
        page = urlopen("http://www.minecraft.net/game/joinserver.jsp?user={0}&sessionId={1}&serverId={2}".format(self.username, self.get_session_id(), server_hash))
        
        if page.read().strip() == "ok":
            return True
            
        return False
        
    def do_name_check(username, server_hash):
        from urllib import urlopen
        page = urlopen("http://www.minecraft.net/game/checkserver.jsp?user={0}&serverId={1}".format(username, server_hash))
        
        if page.read().strip() == "YES":
            return True
            
        return False
        
    def do_skin_change(skin_url):
        from urllib import urlopen