src/io/FIo_MessagePortProxy.cpp

   1 //
   2 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   3 //
   4 // Licensed under the Apache License, Version 2.0 (the License);
   5 // you may not use this file except in compliance with the License.
   6 // You may obtain a copy of the License at
   7 //
   8 //     http://www.apache.org/licenses/LICENSE-2.0
   9 //
  10 // Unless required by applicable law or agreed to in writing, software
  11 // distributed under the License is distributed on an "AS IS" BASIS,
  12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 // See the License for the specific language governing permissions and
  14 // limitations under the License.
  15 //
  16
  17 /**
  18  * @file        FIo_MessagePortProxy.cpp
  19  * @brief       This is the implementation file for the _MessagePortProxy class.
  20  *
  21  */
  22
  23 #include <string.h>
  24 #include <typeinfo>
  25 #include <unique_ptr.h>
  26
  27 #include <message-port.h>
  28
  29 #include <FBaseSysLog.h>
  30 #include <FBaseByteBuffer.h>
  31
  32 #include <FBase_StringConverter.h>
  33 #include <FApp_AppInfo.h>
  34
  35 #include "FIo_MessagePortProxy.h"
  36
  37 using namespace std;
  38
  39 using namespace Tizen::App;
  40 using namespace Tizen::Io;
  41 using namespace Tizen::Base;
  42 using namespace Tizen::Base::Collection;
  43 using namespace Tizen::Base::Runtime;
  44
  45 namespace Tizen { namespace Io
  46 {
  47
  48 //static const int MAX_MESSAGE_SIZE = 16 * 1024;
  49
  50 static void
  51 ConvertBundleToMap(const char *pKey, const int type, const bundle_keyval_t *pVal, void *pData)
  52 {
  53         //SysLog(NID_IO, "CB key = %s", pKey);
  54
  55         HashMap* pMap = static_cast<HashMap*>(pData);
  56
  57         if (pKey && pVal && pMap)
  58         {
  59                 size_t size = 0;
  60                 char* pStr = NULL;
  61                 switch (type)
  62                 {
  63                         case BUNDLE_TYPE_STR:
  64                                 bundle_keyval_get_basic_val(const_cast<bundle_keyval_t*>(pVal), reinterpret_cast<void**>(&pStr), &size);
  65                                 if (pStr)
  66                                 {
  67                                         pMap->Add(new (std::nothrow) String(pKey), new (std::nothrow) String(pStr));
  68                                 }
  69
  70                                 break;
  71                         case BUNDLE_TYPE_BYTE:
  72                                 bundle_keyval_get_basic_val(const_cast<bundle_keyval_t*>(pVal), reinterpret_cast<void**>(&pStr), &size);
  73
  74                                 //SysLog(NID_IO, "Bundle byte value = %s, size = %d", pStr, size);
  75
  76                                 if (pStr)
  77                                 {
  78                                         ByteBuffer* pBuffer = new (std::nothrow) ByteBuffer();
  79                                         SysTryReturnVoidResult(NID_IO, pMap != null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
  80                                         result r = pBuffer->Construct(size);
  81                                         SysTryCatch(NID_IO, r == E_SUCCESS, delete pBuffer, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
  82
  83                                         r = pBuffer->SetArray((const byte*)pStr, 0, size);
  84                                         SysTryCatch(NID_IO, r == E_SUCCESS, delete pBuffer, E_INVALID_ARG, "[E_INVALID_ARG] The buffer argument is invalid.");
  85
  86                                         pBuffer->Flip();
  87
  88                                         pMap->Add(new (std::nothrow) String(pKey), pBuffer);
  89                                 }
  90
  91                                 break;
  92                         default:
  93                                 SysLog(NID_APP, "Invalid type for %s : %d", pKey, type);
  94                                 break;
  95                 }
  96         }
  97
  98 CATCH:
  99         return;
 100 }
 101
 102 static void
 103 OnMessageReceived(int id, const char* remote_app_id, const char* remote_port, bool trusted_port, bundle* data)
 104 {
 105         SysLog(NID_IO, "Message received");
 106
 107         _MessagePortProxy* p = _MessagePortProxy::GetProxy();
 108
 109         int ret = 0;
 110         char* pLocalPort = null;
 111
 112         ret = messageport_get_local_port_name(id, &pLocalPort);
 113         if (pLocalPort == null)
 114         {
 115                 SysSecureLog(NID_IO, "No local port for id: %d", id);
 116
 117                 bundle_free(data);
 118                 return;
 119         }
 120
 121         //SysLog(NID_IO, "local port name: %s", pLocalPort);
 122
 123         _IMessagePortListener* pListener = null;
 124         p->__listeners.GetValue(pLocalPort, pListener);
 125
 126         free(pLocalPort);
 127
 128         if (pListener != null)
 129         {
 130                 HashMap* pMap = new (std::nothrow) HashMap(SingleObjectDeleter);
 131                 SysTryCatch(NID_IO, pMap != null, , E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 132
 133                 result r = pMap->Construct();
 134                 SysTryCatch(NID_IO, r == E_SUCCESS, delete pMap, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 135
 136                 bundle_foreach(data, ConvertBundleToMap, pMap);
 137
 138                 if (remote_app_id == null) // Uni-directional
 139                 {
 140                         pListener->OnMessageReceivedN(pMap);
 141                 }
 142                 else // Bi-directional
 143                 {
 144                         SysSecureLog(NID_IO, "Message received from [%s:%s], trusted: %d", remote_app_id, remote_port, trusted_port);
 145
 146                         pListener->OnMessageReceivedN(remote_app_id, remote_port, trusted_port, pMap);
 147                 }
 148         }
 149
 150 CATCH:
 151         bundle_free(data);
 152 }
 153
 154 static void
 155 OnTrustedMessageReceived(int id, const char* remote_app_id, const char* remote_port, bool trusted_port, bundle* data)
 156 {
 157         SysLog(NID_IO, "Trusted message received");
 158
 159         _MessagePortProxy* p = _MessagePortProxy::GetProxy();
 160
 161         int ret = 0;
 162         char* pLocalPort = null;
 163         ret = messageport_get_local_port_name(id, &pLocalPort);
 164         if (pLocalPort == null)
 165         {
 166                 SysSecureLog(NID_IO, "No local port for id: %d", id);
 167
 168                 bundle_free(data);
 169                 return;
 170         }
 171
 172         _IMessagePortListener* pListener = null;
 173         p->__trustedListeners.GetValue(pLocalPort, pListener);
 174
 175         free(pLocalPort);
 176
 177         if (pListener != null)
 178         {
 179                 HashMap* pMap = new (std::nothrow) HashMap(SingleObjectDeleter);
 180                 SysTryCatch(NID_IO, pMap != null, , E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 181
 182                 result r = pMap->Construct();
 183                 SysTryCatch(NID_IO, r == E_SUCCESS, delete pMap, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 184
 185                 bundle_foreach(data, ConvertBundleToMap, pMap);
 186
 187                 if (remote_app_id == null) // Uni-directional
 188                 {
 189                         pListener->OnMessageReceivedN(pMap);
 190                 }
 191                 else // Bi-directional
 192                 {
 193                         SysSecureLog(NID_IO, "Trusted message received from [%s:%s], trusted: %d", remote_app_id, remote_port, trusted_port);
 194
 195                         pListener->OnMessageReceivedN(remote_app_id, remote_port, trusted_port, pMap);
 196                 }
 197         }
 198
 199 CATCH:
 200         bundle_free(data);
 201 }
 202
 203 _MessagePortProxy::_MessagePortProxy(void)
 204 {
 205 }
 206
 207 _MessagePortProxy::~_MessagePortProxy(void)
 208 {
 209 }
 210
 211 result
 212 _MessagePortProxy::Construct(void)
 213 {
 214         static _StringHashProvider hashProvider;
 215         static _StringComparer stringComparer;
 216
 217         __listeners.Construct(0, 0, hashProvider, stringComparer);
 218         __trustedListeners.Construct(0, 0, hashProvider, stringComparer);
 219         __ids.Construct(0, 0, hashProvider, stringComparer);
 220         __trustedIds.Construct(0, 0, hashProvider, stringComparer);
 221
 222         __appId = _AppInfo::GetApplicationId();
 223
 224         return E_SUCCESS;
 225 }
 226
 227
 228 result
 229 _MessagePortProxy::RegisterMessagePort(const String& localPort, bool isTrusted,
 230                                                                         const _IMessagePortListener& listener)
 231 {
 232         SysSecureLog(NID_IO, "Register a message port : [%ls:%ls]", __appId.GetPointer(), localPort.GetPointer());
 233
 234         int ret = 0;
 235         bool contain = false;
 236
 237         unique_ptr<char[]> pLocal(_StringConverter::CopyToCharArrayN(localPort));
 238
 239         if (!isTrusted)
 240         {
 241                 ret = messageport_register_local_port(pLocal.get(), OnMessageReceived);
 242                 SysTryReturnResult(NID_IO, ret >= 0, E_SYSTEM, "Failed to register the local message port. %d", ret);
 243
 244                 __listeners.ContainsKey(localPort, contain);
 245
 246                 if (!contain)
 247                 {
 248                         __listeners.Add(localPort, const_cast<_IMessagePortListener*>(&listener));
 249                         __ids.Add(localPort, ret);
 250                 }
 251                 else
 252                 {
 253                         __listeners.SetValue(localPort, const_cast<_IMessagePortListener*>(&listener));
 254                         __ids.SetValue(localPort, ret);
 255                 }
 256
 257         }
 258         else
 259         {
 260                 ret = messageport_register_trusted_local_port(pLocal.get(), OnTrustedMessageReceived);
 261                 SysTryReturnResult(NID_IO, ret >= 0, E_SYSTEM, "Failed to register the trusted local message port. %d", ret);
 262
 263                 __trustedListeners.ContainsKey(localPort, contain);
 264
 265                 if (!contain)
 266                 {
 267                         __trustedListeners.Add(localPort, const_cast<_IMessagePortListener*>(&listener));
 268                         __trustedIds.Add(localPort, ret);
 269                 }
 270                 else
 271                 {
 272                         __trustedListeners.SetValue(localPort, const_cast<_IMessagePortListener*>(&listener));
 273                         __trustedIds.SetValue(localPort, ret);
 274                 }
 275
 276         }
 277
 278         return E_SUCCESS;
 279 }
 280
 281 result
 282 _MessagePortProxy::RequestRemotePort(const AppId& remoteAppId,
 283                                                                         const String& remotePort,
 284                                                                         bool isTrusted)
 285 {
 286         SysSecureLog(NID_IO, "Request a remote message port [%ls:%ls]", remoteAppId.GetPointer(), remotePort.GetPointer());
 287
 288         result r = E_SUCCESS;
 289         int ret = 0;
 290         bool exist = false;
 291
 292         unique_ptr<char[]> pAppId(_StringConverter::CopyToCharArrayN(remoteAppId));
 293         unique_ptr<char[]> pPort(_StringConverter::CopyToCharArrayN(remotePort));
 294
 295         if (!isTrusted)
 296         {
 297                 ret = messageport_check_remote_port(pAppId.get(), pPort.get(), &exist);
 298         }
 299         else
 300         {
 301                 ret = messageport_check_trusted_remote_port(pAppId.get(), pPort.get(), &exist);
 302         }
 303
 304         if (ret < 0)
 305         {
 306                 r = ConvertToResult(ret);
 307
 308                 SysTryReturnResult(NID_IO, r != E_CERTIFICATE_VERIFICATION_FAILED, E_CERTIFICATE_VERIFICATION_FAILED, "The target application is not signed with the same certificate.");
 309
 310                 SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to request the remote message port.");
 311
 312                 return r;
 313         }
 314
 315         SysTryReturnResult(NID_IO, exist, E_OBJ_NOT_FOUND, "The remote message port is not found.");
 316
 317         return E_SUCCESS;
 318 }
 319
 320 result
 321 _MessagePortProxy::SendMessage(const AppId& remoteAppId, const String& remotePort, bool isTrusted, const HashMap* pMap)
 322 {
 323         SysSecureLog(NID_IO, "Send a unidirectional message to remote port [%ls:%ls]", remoteAppId.GetPointer(), remotePort.GetPointer());
 324
 325         int ret = 0;
 326         int size = 0;
 327
 328         // Convert Map to bundle
 329         bundle* b = ConvertMapToBundleN(pMap, &size);
 330         SysTryReturnResult(NID_IO, b != null, E_INVALID_ARG, "The argument is invalid.");
 331         //SysTryReturnResult(NID_IO, size <= MAX_MESSAGE_SIZE, E_MAX_EXCEEDED, "The size of the message has exceeded the maximum limit.");
 332
 333         unique_ptr<char[]> pRemoteAppId(_StringConverter::CopyToCharArrayN(remoteAppId));
 334         unique_ptr<char[]> pRemotePort(_StringConverter::CopyToCharArrayN(remotePort));
 335
 336         if (!isTrusted)
 337         {
 338                 ret = messageport_send_message(pRemoteAppId.get(), pRemotePort.get(), b);
 339         }
 340         else
 341         {
 342                 ret = messageport_send_trusted_message(pRemoteAppId.get(), pRemotePort.get(), b);
 343         }
 344
 345         bundle_free(b);
 346
 347         if (ret < 0)
 348         {
 349                 result r = ConvertToResult(ret);
 350
 351                 SysTryReturnResult(NID_IO, r != E_OBJ_NOT_FOUND, E_OBJ_NOT_FOUND, "The remote message port is not found.");
 352                 SysTryReturnResult(NID_IO, r != E_CERTIFICATE_VERIFICATION_FAILED, E_CERTIFICATE_VERIFICATION_FAILED, "The target application is not signed with the same certificate.");
 353                 SysTryReturnResult(NID_IO, r != E_MAX_EXCEEDED, E_MAX_EXCEEDED, "The size of the message has exceeded the maximum limit.");
 354
 355                 SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to request the remote message port.");
 356
 357                 return r;
 358         }
 359
 360         return E_SUCCESS;
 361 }
 362
 363 result
 364 _MessagePortProxy::SendMessage(const String& localPort, bool isTrustedLocal, const AppId& remoteAppId, const String& remotePort, bool isTrustedRemote, const HashMap* pMap)
 365 {
 366         SysSecureLog(NID_IO, "Send a bidirectional message from [%ls:%ls] to [%ls:%ls]", __appId.GetPointer(), localPort.GetPointer(), remoteAppId.GetPointer(), remotePort.GetPointer());
 367
 368         result r = E_SUCCESS;
 369         int id = 0;
 370
 371         if (!isTrustedLocal)
 372         {
 373                 r = __ids.GetValue(localPort, id);
 374         }
 375         else
 376         {
 377                 r = __trustedIds.GetValue(localPort, id);
 378         }
 379
 380         SysTryReturnResult(NID_IO, r == E_SUCCESS, E_SYSTEM, "Internal system errors.");
 381
 382         int size = 0;
 383
 384         // Convert Map to bundle
 385         bundle* b = ConvertMapToBundleN(pMap, &size);
 386         SysTryReturnResult(NID_IO, b != null, E_INVALID_ARG, "The argument is invalid.");
 387         //SysTryReturnResult(NID_IO, size <= MAX_MESSAGE_SIZE, E_MAX_EXCEEDED, "The size of the message has exceeded the maximum limit.");
 388
 389         unique_ptr<char[]> pRemoteAppId(_StringConverter::CopyToCharArrayN(remoteAppId));
 390         unique_ptr<char[]> pRemotePort(_StringConverter::CopyToCharArrayN(remotePort));
 391
 392         int ret = 0;
 393         if (!isTrustedRemote)
 394         {
 395                 ret = messageport_send_bidirectional_message(id, pRemoteAppId.get(), pRemotePort.get(), b);
 396         }
 397         else
 398         {
 399                 ret = messageport_send_bidirectional_trusted_message(id, pRemoteAppId.get(), pRemotePort.get(), b);
 400         }
 401
 402         bundle_free(b);
 403
 404         if (ret < 0)
 405         {
 406                 result r = ConvertToResult(ret);
 407
 408                 SysTryReturnResult(NID_IO, r != E_OBJ_NOT_FOUND, E_OBJ_NOT_FOUND, "The remote message port is not found.");
 409                 SysTryReturnResult(NID_IO, r != E_CERTIFICATE_VERIFICATION_FAILED, E_CERTIFICATE_VERIFICATION_FAILED, "The target application is not signed with the same certificate.");
 410                 SysTryReturnResult(NID_IO, r != E_MAX_EXCEEDED, E_MAX_EXCEEDED, "The size of the message has exceeded the maximum limit.");
 411
 412                 SysLogException(NID_IO, E_SYSTEM, "[E_SYSTEM] Failed to request the remote message port.");
 413
 414                 return r;
 415         }
 416
 417         return E_SUCCESS;
 418 }
 419
 420 _MessagePortProxy*
 421 _MessagePortProxy::GetProxy(void)
 422 {
 423         static _MessagePortProxy* pProxy = null;
 424
 425         if (pProxy == null)
 426         {
 427                 unique_ptr<_MessagePortProxy> p(new (std::nothrow) _MessagePortProxy);
 428                 SysTryReturn(NID_IO, p != null, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 429
 430                 result r = p->Construct();
 431                 SysTryReturn(NID_IO, r == E_SUCCESS, null, E_SYSTEM, "[E_SYSTEM] Failed to initialize a  message port proxy.");
 432
 433                 pProxy = p.release();
 434         }
 435
 436         SetLastResult(E_SUCCESS);
 437         return pProxy;
 438 }
 439
 440 result
 441 _MessagePortProxy::ConvertToResult(int error)
 442 {
 443         SysLog(NID_IO, "Native error = %d", error);
 444
 445         switch (error)
 446         {
 447                 case MESSAGEPORT_ERROR_IO_ERROR:
 448                         return E_SYSTEM;
 449
 450                 case MESSAGEPORT_ERROR_OUT_OF_MEMORY:
 451                         return E_OUT_OF_MEMORY;
 452
 453                 case MESSAGEPORT_ERROR_INVALID_PARAMETER:
 454                         return E_INVALID_ARG;
 455
 456                 case MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND:
 457                         return E_OBJ_NOT_FOUND;
 458
 459                 case MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH:
 460                         return E_CERTIFICATE_VERIFICATION_FAILED;
 461
 462                 case MESSAGEPORT_ERROR_MAX_EXCEEDED:
 463                         return E_MAX_EXCEEDED;
 464
 465                 default:
 466                         return E_SYSTEM;
 467         }
 468
 469         return E_SYSTEM;
 470 }
 471
 472 bundle*
 473 _MessagePortProxy::ConvertMapToBundleN(const HashMap* pMap, int* pSize)
 474 {
 475         bundle *b = bundle_create();
 476         int size = 0;
 477
 478         std::unique_ptr<IMapEnumerator> pEnum (pMap->GetMapEnumeratorN());
 479         while(pEnum->MoveNext() == E_SUCCESS)
 480         {
 481                 const String* pKey = dynamic_cast<const String*>(pEnum->GetKey());
 482                 const Object* pValue = pEnum->GetValue();
 483
 484                 if (pKey && pValue)
 485                 {
 486                         unique_ptr<char[]> pKeyData(_StringConverter::CopyToCharArrayN(*pKey));
 487
 488                         if (typeid(*pValue) == typeid(const String)) // String
 489                         {
 490                                 const String* pStr = static_cast<const String*>(pValue);
 491                                 size += pStr->GetLength() * sizeof(wchar_t);
 492
 493                                 unique_ptr<char[]> pValueData(_StringConverter::CopyToCharArrayN(*pStr));
 494
 495                                 //SysLog(NID_IO, "key: %s, value: %s", pKeyData.get(), pValueData.get());
 496
 497                                 bundle_add(b, pKeyData.get(), pValueData.get());
 498                         }
 499                         else // ByteBuffer
 500                         {
 501                                 if (typeid(*pValue) == typeid(const ByteBuffer)) // ByteBuffer
 502                                 {
 503                                         const ByteBuffer* pBuffer = static_cast<const ByteBuffer*>(pValue);
 504                                         size += pBuffer->GetLimit();
 505
 506                                         //SysLog(NID_IO, "Add a string key: %s, byte value: %s", pKeyData.get(), pBuffer->GetPointer());
 507
 508                                         bundle_add_byte(b, pKeyData.get(), pBuffer->GetPointer(), pBuffer->GetLimit());
 509                                 }
 510                                 else
 511                                 {
 512                                         SysLog(NID_IO, "The value type is not supported.");
 513
 514                                         bundle_free(b);
 515                                         return null;
 516                                 }
 517                         }
 518                 }
 519                 else
 520                 {
 521                         SysLog(NID_IO, "The key type is not supported.");
 522
 523                         bundle_free(b);
 524                         return null;
 525                 }
 526         }
 527
 528         *pSize = size;
 529         return b;
 530 }
 531
 532 }}