src/SecureElement/SEChannel.cpp

   1 //
   2 // Tizen Web Device API
   3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17
  18 #include <Commons/Exception.h>
  19 #include <JSTizenException.h>
  20 #include <ByteArray.h>
  21 #include "SEChannel.h"
  22 #include "SEUtil.h"
  23 #include <Logger.h>
  24
  25 using namespace WrtDeviceApis;
  26 using namespace smartcard_service_api;
  27
  28 namespace DeviceAPI {
  29 namespace SecureElement {
  30 namespace {
  31         static void transmitCallback(unsigned char *buffer, unsigned int length, int error, void *userParam) {
  32                 LoggerD("Callback transmitCallback.");
  33                 if (userParam) {
  34                         SEChannel *seChannelPtr = (SEChannel *)((EventSEPtrs<EventSEChannelTransmit> *)userParam)->getThisPtr();
  35
  36                         if (seChannelPtr) {
  37                                 EventSEChannelTransmitPtr event = ((EventSEPtrs<EventSEChannelTransmit> *)userParam)->getEventPtrs();
  38                                 seChannelPtr->transmitManualAnswer(buffer, length, error, event);
  39                         }
  40                 } else {
  41                         LoggerE("Callback private data is NULL.");
  42                 }
  43         }
  44 }
  45
  46 SEChannel::SEChannel(void *channel)
  47 {
  48         LoggerD("entered");
  49
  50         if (channel == NULL)
  51                 ThrowMsg(UnknownException, "SEChannel Handler is Null Pointer.");
  52
  53         m_channel = (Channel *)channel;
  54 }
  55
  56 SEChannel::~SEChannel()
  57 {
  58         LoggerD("entered");
  59         if (!m_channel->isClosed())
  60                 close();
  61         m_channel = NULL;
  62 }
  63
  64
  65 void SEChannel::close() {
  66         if (!m_channel->isClosed())
  67                 m_channel->closeSync();
  68 }
  69
  70 bool SEChannel::isBasicChannel() {
  71         return m_channel->isBasicChannel();
  72 }
  73
  74 void SEChannel::transmit(const EventSEChannelTransmitPtr& event) {
  75         LoggerD("Enter");
  76         EventRequestReceiver<EventSEChannelTransmit>::PostRequest(event);
  77 }
  78
  79 void SEChannel::transmitManualAnswer(unsigned char *buffer, unsigned int length, int error, const EventSEChannelTransmitPtr &event) {
  80         SEUtil util;
  81         if (error != 0) {
  82                 event->setResult(false);
  83                 event->setError(util.getErrorString(error));
  84                 event->setErrorMessage(util.getErrorMessage(error));
  85         } else {
  86                 event->setResult(true);
  87                 event->setResponse(util.toVector(buffer, length));
  88         }
  89         EventRequestReceiver<EventSEChannelTransmit>::ManualAnswer(event);
  90
  91         std::vector<SEChannelTransmitDataPtr>::iterator it;
  92         for (it = EventSEChannelTransmits.begin(); it != EventSEChannelTransmits.end(); ++it) {
  93                 if ((*it)->getEventPtrs() == event) {
  94                         EventSEChannelTransmits.erase(it);
  95                         LoggerD("event is removed. (" << EventSEChannelTransmits.size() << ")");
  96                         break;
  97                 }
  98         }
  99 }
 100
 101 void SEChannel::OnRequestReceived(const EventSEChannelTransmitPtr& event) {
 102         LoggerD("Enter");
 103
 104         try {
 105                 event->switchToManualAnswer();
 106
 107                 SEChannelTransmitDataPtr eventData( new EventSEPtrs<EventSEChannelTransmit>(event, this));
 108                 EventSEChannelTransmits.push_back(eventData);
 109
 110                 SEUtil util;
 111                 std::vector<unsigned char> data = event->getSendData();
 112                 unsigned char *chrTransmitData = util.toCharPtr(data);
 113                 ByteArray transmitData(chrTransmitData, data.size());
 114                 if (chrTransmitData)
 115                         free(chrTransmitData);
 116                 m_channel->transmit(transmitData, transmitCallback, eventData.Get());
 117         } catch (const WrtDeviceApis::Commons::Exception& ex) {
 118                 LoggerE("Exception: " << ex.GetMessage());
 119                 event->setResult(false);
 120                 event->setError(DeviceAPI::Common::JSTizenException::UNKNOWN_ERROR);
 121                 event->setErrorMessage("Unknown Error");
 122                 EventRequestReceiver<EventSEChannelTransmit>::ManualAnswer(event);
 123         }
 124 }
 125
 126 }
 127 }