check_auth_2(SessionID,Ssoid) ->
	Url = "http://i.open.game.oppomobile.com/gameopen/user/fileIdInfo?fileId="++Ssoid++"&token="++SessionID,
	Consumer_key = {"oauthConsumerKey","appKey"},
	Nonce = {"oauthNonce",integer_to_list(random:uniform(1000))},
	Method = {"oauthSignatureMethod","HMAC-SHA1"},
	TimeStamp = {"oauthTimestamp",integer_to_list(unixTimeStamp())},
	Token = {"oauthToken",http_uri:encode(SessionID)},
	Version = {"oauthVersion","1.0"},
	BaseStr = urlencode([Consumer_key,Token,Method,TimeStamp,Nonce,Version])++"&".
	Key = "appSecret&",
	Sign = http_uri:encode(binary_to_list(base64:encode(crypto:hmac('sha',list_to_binary(Key), BaseStr)))),
	Header = "param: "++BaseStr++",oauthsignature: "++Sign,
	httpc:request(get,{Url,[{"param",BaseStr},{"oauthsignature",Sign}]},[],[]).