func (this *DataServer) createNewSession(resp *Response, req *http.Request) (err error) {
userid := req.FormValue(USER_ID_FORM_KEY)
gameid := req.FormValue(APPLICATION_ID_FORM_KEY)
userTbl := this.database.GetTable(USERS_TABLE_NAME)
if userTbl == nil {
resp.AddValueToKey("message", "Server Error.")
err = errors.New("Users table doesn't exist.")
return
}
hasKey, dbErr := userTbl.HasPrimaryKey(userid)
if !hasKey || dbErr.Exists() {
resp.AddValueToKey("message", "Failed to create session: Invalid userid.")
err = errors.New(dbErr.Error())
return
}
appTbl := this.database.GetTable(APPLICATIONS_TABLE_NAME)
if appTbl == nil {
resp.AddValueToKey("message", "Server Error.")
err = errors.New("Application table doesn't exist.")
return
}
hasKey, err = appTbl.HasPrimaryKey(gameid)
if !hasKey || err != nil {
resp.AddValueToKey("message", "Failed to create session: Invalid game_id.")
return
}
sessionTbl := this.database.GetTable(SESSIONS_TABLE_NAME)
if sessionTbl == nil {
resp.AddValueToKey("message", "Server Error.")
err = errors.New("Sessions table doesn't exist.")
return
}
sessionid := GenerateGUID(userid, gameid, time.Now().String())[:32]
colVals := sessionTbl.GetColumnMap()
colVals.Update("guid", sessionid)
colVals.Update("application_id", gameid)
colVals.Update("user_id", userid)
colVals.Update("start_time", mysqldb.CurrentTime())
colVals.Update("end_time", mysqldb.CurrentTimePlus(time.Minute*5))
dbErr = sessionTbl.Insert(colVals)
if dbErr.Exists() {
resp.AddValueToKey("message", "Failed to create session: Database Error.")
err = errors.New(dbErr.Error())
return
}
resp.AddValueToKey("message", fmt.Sprintf("Logging in as %v in game %v, session_id=%v", userid, gameid, sessionid))
return
}
func (this *DataServer) handleRefreshSession(resp *Response, req *http.Request) (err error) {
sessionid := req.FormValue(SESSION_ID_FORM_KEY)
if sessionid == "" {
resp.AddValueToKey("message", "Invalid session id.")
return
}
sessionTbl := this.database.GetTable(SESSIONS_TABLE_NAME)
if sessionTbl == nil {
resp.AddValueToKey("error", "Server Error.")
err = errors.New("Sessions table doesn't exist.")
return
}
expirationStr, dbErr := sessionTbl.SelectColumnValueWithPrimaryKey("end_time", sessionid)
if dbErr.Exists() {
resp.AddValueToKey("error", "Database Error.")
err = errors.New(dbErr.Error())
return
}
expiration, err := time.Parse(mysqldb.MySQLTimeFormat, expirationStr)
if err != nil {
resp.AddValueToKey("error", "Database Error.")
return
}
if time.Now().Before(expiration) {
colVals := sessionTbl.GetColumnMap()
colVals.Update("guid", sessionid)
colVals.Update("end_time", mysqldb.CurrentTimePlus(time.Minute*5))
dbErr = sessionTbl.UpdateWithPrimaryKey(colVals)
if dbErr.Exists() {
resp.AddValueToKey("error", "Database Error.")
err = errors.New(dbErr.Error())
return
}
} else {
sErr := this.createNewSession(resp, req)
if sErr != nil {
resp.AddValueToKey("error", "Failed to create new session.")
err = sErr
return
}
}
resp.AddValueToKey("message", "Session refreshed, session_id="+sessionid+"}")
return
}