Example #1
0
        public override void ValidateAidList(ConfigSerializer serializer)
        {
            try
            {
                if (serializer != null)
                {
                    byte [][]   keys = null;
                    RETURN_CODE rt   = IDT_Augusta.SharedController.emv_retrieveAIDList(ref keys);

                    if (rt == RETURN_CODE.RETURN_CODE_DO_SUCCESS)
                    {
                        Debug.WriteLine("VALIDATE AID LIST ----------------------------------------------------------------------");

                        // Get Configuration File AID List
                        AIDList aid = serializer.GetAIDList();

                        List <Aid> AidList = new List <Aid>();

                        foreach (byte[] aidName in keys)
                        {
                            bool delete = true;
                            bool found  = false;
                            bool update = false;
                            KeyValuePair <string, Dictionary <string, string> > cfgCurrentItem = new KeyValuePair <string, Dictionary <string, string> >();
                            string devAidName = BitConverter.ToString(aidName).Replace("-", string.Empty);

                            Debug.WriteLine("AID: {0} ===============================================", (object)devAidName);

                            // Is this item in the approved list?
                            foreach (var cfgItem in aid.Aid)
                            {
                                cfgCurrentItem = cfgItem;
                                if (cfgItem.Key.Equals(devAidName, StringComparison.CurrentCultureIgnoreCase))
                                {
                                    found = true;
                                    byte[] value = null;

                                    rt = IDT_Augusta.SharedController.emv_retrieveApplicationData(aidName, ref value);

                                    if (rt == RETURN_CODE.RETURN_CODE_DO_SUCCESS)
                                    {
                                        Dictionary <string, Dictionary <string, string> > dict = Common.processTLV(value);

                                        // Compare values and replace if not the same
                                        foreach (Dictionary <string, string> devCollection in dict.Where(x => x.Key.Equals("unencrypted")).Select(x => x.Value))
                                        {
                                            foreach (var cfgTag in cfgItem.Value)
                                            {
                                                bool   tagfound    = false;
                                                string cfgTagName  = cfgTag.Key;
                                                string cfgTagValue = cfgTag.Value;
                                                foreach (var devTag in devCollection)
                                                {
                                                    // Matching TAGNAME: compare keys
                                                    if (devTag.Key.Equals(cfgTag.Key, StringComparison.CurrentCultureIgnoreCase))
                                                    {
                                                        tagfound = true;
                                                        //Debug.Write("key: " + devTag.Key);
                                                        update = !cfgTag.Value.Equals(devTag.Value, StringComparison.CurrentCultureIgnoreCase);

                                                        // Compare value and fix it if mismatched
                                                        if (cfgTag.Value.Equals(devTag.Value, StringComparison.CurrentCultureIgnoreCase))
                                                        {
                                                            //Debug.WriteLine("TAG: {0} FOUND AND IT MATCHES", (object) cfgTagName.PadRight(6,' '));
                                                            //Debug.WriteLine(" matches value: {0}", (object) devTag.Value);
                                                        }
                                                        else
                                                        {
                                                            Debug.WriteLine("TAG: {0} FOUND AND IT DOES NOT match value: {1}!={2}", cfgTagName.PadRight(6, ' '), cfgTag.Value, devTag.Value);
                                                        }
                                                        break;
                                                    }
                                                }
                                                // No need to continue validating the remaing tags
                                                if (!tagfound || update)
                                                {
                                                    break;
                                                }
                                            }
                                        }
                                    }

                                    delete = false;

                                    if (update)
                                    {
                                        byte[] tagCfgName = Device_IDTech.HexStringToByteArray(cfgCurrentItem.Key);

                                        List <byte[]> collection = new List <byte[]>();
                                        foreach (var item in cfgCurrentItem.Value)
                                        {
                                            string  payload = string.Format("{0}{1:X2}{2}", item.Key, item.Value.Length / 2, item.Value).ToUpper();
                                            byte [] bytes   = Device_IDTech.HexStringToByteArray(payload);
                                            collection.Add(bytes);
                                        }
                                        var     flattenedList = collection.SelectMany(bytes => bytes);
                                        byte [] tagCfgValue   = flattenedList.ToArray();
                                        Aid     cfgAid        = new Aid(tagCfgName, tagCfgValue);
                                        AidList.Add(cfgAid);
                                    }
                                }
                            }

                            // DELETE THIS AID
                            if (delete)
                            {
                                Debug.WriteLine("AID: {0} - DELETE (NOT FOUND)", (object)devAidName.PadRight(14, ' '));
                                byte[] tagName = Device_IDTech.HexStringToByteArray(devAidName);
                                rt = IDT_Augusta.SharedController.emv_removeApplicationData(tagName);
                                if (rt == RETURN_CODE.RETURN_CODE_DO_SUCCESS)
                                {
                                    Debug.WriteLine("AID: {0} DELETED", (object)devAidName.PadRight(6, ' '));
                                }
                            }
                            else if (!found)
                            {
                                byte[] tagCfgName = Device_IDTech.HexStringToByteArray(cfgCurrentItem.Key);

                                List <byte[]> collection = new List <byte[]>();
                                foreach (var item in cfgCurrentItem.Value)
                                {
                                    string  payload = string.Format("{0}{1:X2}{2}", item.Key, item.Value.Length / 2, item.Value).ToUpper();
                                    byte [] bytes   = Device_IDTech.HexStringToByteArray(payload);
                                    collection.Add(bytes);
                                }
                                var     flattenedList = collection.SelectMany(bytes => bytes);
                                byte [] tagCfgValue   = flattenedList.ToArray();
                                Aid     cfgAid        = new Aid(tagCfgName, tagCfgValue);
                                AidList.Add(cfgAid);
                            }
                        }

                        // Add missing AID(s)
                        foreach (var aidElement in AidList)
                        {
                            byte [] aidName  = aidElement.GetAidName();
                            byte [] aidValue = aidElement.GetAidValue();
                            rt = IDT_Augusta.SharedController.emv_setApplicationData(aidName, aidValue);
                            if (rt == RETURN_CODE.RETURN_CODE_DO_SUCCESS)
                            {
                                string cfgTagName  = BitConverter.ToString(aidName).Replace("-", string.Empty);
                                string cfgTagValue = BitConverter.ToString(aidValue).Replace("-", string.Empty);
                                Debug.WriteLine("AID: {0} UPDATED WITH VALUE: {1}", cfgTagName.PadRight(6, ' '), cfgTagValue);
                            }
                        }
                    }
                    else
                    {
                        Debug.WriteLine("TERMINAL DATA: emv_retrieveAIDList() - ERROR={0}", rt);
                    }
                }
            }
            catch (Exception exp)
            {
                Debug.WriteLine("device: ValidateAidList() - exception={0}", (object)exp.Message);
            }
        }