src/jobs/widget_install/task_file_manipulation.cpp

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   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  * @file    task_db_update.cpp
  18  * @author  Lukasz Wrzosek(l.wrzosek@samsung.com)
  19  * @version 1.0
  20  * @brief   Implementation file for installer task database updating
  21  */
  22 #include <unistd.h>
  23 #include <sys/stat.h>
  24 #include <dirent.h>
  25 #include <widget_install/task_file_manipulation.h>
  26 #include <widget_install/job_widget_install.h>
  27 #include <widget_install/widget_install_errors.h>
  28 #include <widget_install/widget_install_context.h>
  29 #include <dpl/utils/wrt_utility.h>
  30 #include <dpl/foreach.h>
  31 #include <dpl/log/log.h>
  32 #include <dpl/assert.h>
  33 #include <dpl/errno_string.h>
  34 #include <dpl/utils/folder_size.h>
  35 #include <dpl/wrt-dao-ro/global_config.h>
  36 #include <string>
  37 #include <fstream>
  38 #include <widget_install_to_external.h>
  39
  40 #define WEBAPP_DEFAULT_UID  5000
  41 #define WEBAPP_DEFAULT_GID  5000
  42
  43 namespace {
  44 const mode_t PRIVATE_STORAGE_MODE = 0700;
  45 const mode_t SHARE_MODE = 0705;
  46 }
  47
  48 using namespace WrtDB;
  49
  50 namespace {
  51 const char* GLIST_RES_DIR = "res";
  52
  53 bool _FolderCopy(std::string source, std::string dest)
  54 {
  55     DIR* dir = opendir(source.c_str());
  56     if (NULL == dir) {
  57         return false;
  58     }
  59
  60     struct dirent dEntry;
  61     struct dirent *dEntryResult;
  62     int return_code;
  63
  64     do {
  65         struct stat statInfo;
  66         return_code = readdir_r(dir, &dEntry, &dEntryResult);
  67         if (dEntryResult != NULL && return_code == 0) {
  68             std::string fileName = dEntry.d_name;
  69             std::string fullName = source + "/" + fileName;
  70
  71             if (stat(fullName.c_str(), &statInfo) != 0) {
  72                 closedir(dir);
  73                 return false;
  74             }
  75
  76             if (S_ISDIR(statInfo.st_mode)) {
  77                 if (("." == fileName) || (".." == fileName)) {
  78                     continue;
  79                 }
  80                 std::string destFolder = dest + "/" + fileName;
  81                 WrtUtilMakeDir(destFolder);
  82
  83                 if (!_FolderCopy(fullName, destFolder)) {
  84                     closedir(dir);
  85                     return false;
  86                 }
  87             }
  88
  89             std::string destFile = dest + "/" + fileName;
  90             std::ifstream infile(fullName);
  91             std::ofstream outfile(destFile);
  92             outfile << infile.rdbuf();
  93             outfile.close();
  94             infile.close();
  95         }
  96     } while (dEntryResult != NULL && return_code == 0);
  97     closedir(dir);
  98     return true;
  99 }
 100
 101 void changeOwnerForDirectory(std::string storagePath) {
 102     if (euidaccess(storagePath.c_str(), F_OK) != 0) {
 103         if (!WrtUtilMakeDir(storagePath, PRIVATE_STORAGE_MODE)) {
 104             LogError("Failed to create directory for private storage");
 105             ThrowMsg(Jobs::WidgetInstall::Exceptions::FileOperationFailed,
 106                      "Failed to create directory for private storage");
 107         }
 108         // '5000' is default uid, gid for applications.
 109         // So installed applications should be launched as process of uid
 110         // '5000'.
 111         // the process can access private directory 'data' of itself.
 112         if (chown(storagePath.c_str(),
 113                   WEBAPP_DEFAULT_UID,
 114                   WEBAPP_DEFAULT_GID) != 0)
 115         {
 116             ThrowMsg(Jobs::WidgetInstall::Exceptions::FileOperationFailed,
 117                      "Chown to invaild user");
 118         }
 119     } else if (euidaccess(storagePath.c_str(), W_OK | R_OK | X_OK) == 0) {
 120         LogInfo("Private storage already exists.");
 121         // Even if private directory already is created, private dircetory
 122         // should change owner.
 123         if (chown(storagePath.c_str(),
 124                   WEBAPP_DEFAULT_UID,
 125                   WEBAPP_DEFAULT_GID) != 0)
 126         {
 127             ThrowMsg(Jobs::WidgetInstall::Exceptions::FileOperationFailed,
 128                      "Chown to invaild user");
 129         }
 130         if (chmod(storagePath.c_str(), PRIVATE_STORAGE_MODE) != 0) {
 131             ThrowMsg(Jobs::WidgetInstall::Exceptions::FileOperationFailed,
 132                      "chmod to 0700");
 133         }
 134     } else {
 135         ThrowMsg(Jobs::WidgetInstall::Exceptions::FileOperationFailed,
 136                  "No access to private storage.");
 137     }
 138 }
 139 }
 140
 141 namespace Jobs {
 142 namespace WidgetInstall {
 143 TaskFileManipulation::TaskFileManipulation(InstallerContext& context) :
 144     DPL::TaskDecl<TaskFileManipulation>(this),
 145     m_context(context),
 146     m_extHandle(NULL)
 147 {
 148     if (INSTALL_LOCATION_TYPE_EXTERNAL !=
 149             m_context.locationType)
 150     {
 151         AddStep(&TaskFileManipulation::StepCreateDirs);
 152         AddStep(&TaskFileManipulation::StepCreatePrivateStorageDir);
 153         if (m_context.widgetConfig.packagingType !=
 154             WrtDB::PKG_TYPE_DIRECTORY_WEB_APP)
 155         {
 156             AddStep(&TaskFileManipulation::StepRenamePath);
 157             AddAbortStep(&TaskFileManipulation::StepAbortRenamePath);
 158         }
 159         AddStep(&TaskFileManipulation::StepLinkForPreload);
 160
 161     } else {
 162         AddStep(&TaskFileManipulation::StepPrepareExternalDir);
 163         AddStep(&TaskFileManipulation::StepInstallToExternal);
 164         AddStep(&TaskFileManipulation::StepCreatePrivateStorageDir);
 165
 166         AddAbortStep(&TaskFileManipulation::StepAbortCreateExternalDir);
 167     }
 168 }
 169
 170 void TaskFileManipulation::StepCreateDirs()
 171 {
 172     std::string widgetPath;
 173
 174     widgetPath = m_context.locations->getPackageInstallationDir();
 175
 176     std::string widgetBinPath = m_context.locations->getBinaryDir();
 177     std::string widgetSrcPath = m_context.locations->getSourceDir();
 178
 179     WrtUtilMakeDir(widgetPath);
 180
 181     // If package type is widget with osp service, we don't need to make bin
 182     // and src directory
 183     if (m_context.widgetConfig.packagingType == PKG_TYPE_HYBRID_WEB_APP) {
 184         LogDebug("Doesn't need to create resource directory");
 185     } else {
 186         LogDebug("Create resource directory");
 187         WrtUtilMakeDir(widgetBinPath);
 188         WrtUtilMakeDir(widgetSrcPath);
 189         if (m_context.job->getInstallerStruct().m_installMode
 190                 == InstallMode::INSTALL_MODE_PRELOAD)
 191         {
 192             std::string userWidgetDir = m_context.locations->getUserDataRootDir();
 193             WrtUtilMakeDir(userWidgetDir);
 194         }
 195     }
 196
 197     m_context.job->UpdateProgress(
 198         InstallerContext::INSTALL_DIR_CREATE,
 199         "Widget Directory Created");
 200 }
 201
 202 void TaskFileManipulation::StepCreatePrivateStorageDir()
 203 {
 204     std::string storagePath = m_context.locations->getPrivateStorageDir();
 205     LogDebug("Create private storage directory : " <<
 206             m_context.locations->getPrivateStorageDir());
 207     changeOwnerForDirectory(storagePath);
 208 }
 209
 210 void TaskFileManipulation::StepRenamePath()
 211 {
 212     std::string instDir;
 213
 214     if (m_context.widgetConfig.packagingType == PKG_TYPE_HYBRID_WEB_APP) {
 215         instDir = m_context.locations->getPackageInstallationDir();
 216     } else {
 217         instDir = m_context.locations->getSourceDir();
 218     }
 219
 220     LogDebug("Copy file from temp directory to " << instDir);
 221     if (!WrtUtilRemove(instDir)) {
 222         ThrowMsg(Exceptions::RemovingFolderFailure,
 223                  "Error occurs during removing existing folder");
 224     }
 225
 226     if (!(rename(m_context.locations->getTemporaryPackageDir().c_str(),
 227                  instDir.c_str()) == 0))
 228     {
 229         ThrowMsg(Exceptions::FileOperationFailed,
 230                  "Error occurs during renaming widget folder");
 231     }
 232     m_context.job->UpdateProgress(
 233         InstallerContext::INSTALL_RENAME_PATH,
 234         "Widget Rename path Finished");
 235 }
 236
 237 void TaskFileManipulation::StepLinkForPreload()
 238 {
 239     if (m_context.job->getInstallerStruct().m_installMode
 240             == InstallMode::INSTALL_MODE_PRELOAD)
 241     {
 242         std::string srcDir = m_context.locations->getUserDataRootDir() +
 243             WrtDB::GlobalConfig::GetWidgetSrcPath();
 244
 245         if (0 != access(srcDir.c_str(), F_OK)) {
 246             LogDebug("Make symbolic name for preaload app" <<
 247                     m_context.locations->getSourceDir() << " to " << srcDir);
 248             std::string resDir = m_context.locations->getUserDataRootDir() +
 249                 "/res";
 250
 251             WrtUtilMakeDir(resDir);
 252             if (symlink(m_context.locations->getSourceDir().c_str(), srcDir.c_str()) != 0)
 253             {
 254                 int error = errno;
 255                 if (error)
 256                     LogPedantic("Failed to make a symbolic name for a file "
 257                             << "[" <<  DPL::GetErrnoString(error) << "]");
 258                 ThrowMsg(Exceptions::FileOperationFailed,
 259                         "Symbolic link creating is not done.");
 260             }
 261         }
 262
 263         /* link for data directory */
 264         std::string storagePath = m_context.locations->getPrivateStorageDir();
 265         std::string dataDir = m_context.locations->getPackageInstallationDir() +
 266             "/" + WrtDB::GlobalConfig::GetWidgetPrivateStoragePath();
 267         if (0 != access(dataDir.c_str(), F_OK)) {
 268             LogDebug("Make symbolic name for preaload app " <<
 269                     storagePath << " to " << dataDir);
 270
 271             if (symlink(storagePath.c_str(), dataDir.c_str()) != 0)
 272             {
 273                 int error = errno;
 274                 if (error)
 275                     LogPedantic("Failed to make a symbolic name for a file "
 276                             << "[" <<  DPL::GetErrnoString(error) << "]");
 277                 ThrowMsg(Exceptions::FileOperationFailed,
 278                         "Symbolic link creating is not done.");
 279             }
 280             changeOwnerForDirectory(dataDir);
 281         }
 282
 283         if (m_context.widgetConfig.packagingType != PKG_TYPE_HYBRID_WEB_APP) {
 284             std::string widgetBinPath = m_context.locations->getBinaryDir();
 285             std::string userBinPath = m_context.locations->getUserBinaryDir();
 286             LogDebug("Make symbolic link for preload app " << widgetBinPath <<
 287                     " to " << userBinPath);
 288             if (symlink(widgetBinPath.c_str(), userBinPath.c_str()) != 0)
 289             {
 290                 int error = errno;
 291                 if (error)
 292                     LogPedantic("Failed to make a symbolic name for a file "
 293                             << "[" <<  DPL::GetErrnoString(error) << "]");
 294                 ThrowMsg(Exceptions::FileOperationFailed,
 295                         "Symbolic link creating is not done.");
 296             }
 297
 298         }
 299     }
 300 }
 301
 302 void TaskFileManipulation::StepAbortRenamePath()
 303 {
 304     LogDebug("[Rename Widget Path] Aborting.... (Rename path)");
 305     std::string widgetPath;
 306     if (m_context.widgetConfig.packagingType != PKG_TYPE_HYBRID_WEB_APP) {
 307         widgetPath = m_context.locations->getPackageInstallationDir();
 308         if (!WrtUtilRemove(widgetPath)) {
 309             ThrowMsg(Exceptions::RemovingFolderFailure,
 310                      "Error occurs during removing existing folder");
 311         }
 312     }
 313     LogDebug("Rename widget path sucessful!");
 314 }
 315
 316 void TaskFileManipulation::StepPrepareExternalDir()
 317 {
 318     LogDebug("Step prepare to install in exernal directory");
 319     Try {
 320         std::string pkgid =
 321             DPL::ToUTF8String(m_context.widgetConfig.tzPkgid);
 322
 323         WidgetInstallToExtSingleton::Instance().initialize(pkgid);
 324
 325         size_t totalSize =
 326             Utils::getFolderSize(m_context.locations->getTemporaryPackageDir());
 327
 328         int folderSize = (int)(totalSize / (1024 * 1024)) + 1;
 329
 330         GList *list = NULL;
 331         app2ext_dir_details* dirDetail = NULL;
 332
 333         dirDetail = (app2ext_dir_details*) calloc(1,
 334                 sizeof(
 335                     app2ext_dir_details));
 336         if (NULL == dirDetail) {
 337             ThrowMsg(Exceptions::ErrorExternalInstallingFailure,
 338                     "error in app2ext");
 339         }
 340         dirDetail->name = strdup(GLIST_RES_DIR);
 341         dirDetail->type = APP2EXT_DIR_RO;
 342         list = g_list_append(list, dirDetail);
 343
 344         if (m_context.isUpdateMode) {
 345             WidgetInstallToExtSingleton::Instance().preUpgrade(list,
 346                                                                folderSize);
 347         } else {
 348             WidgetInstallToExtSingleton::Instance().preInstallation(list,
 349                                                                     folderSize);
 350         }
 351         free(dirDetail);
 352         g_list_free(list);
 353
 354         /* make bin directory */
 355         std::string widgetBinPath = m_context.locations->getBinaryDir();
 356         WrtUtilMakeDir(widgetBinPath);
 357     }
 358     Catch(WidgetInstallToExt::Exception::ErrorInstallToExt)
 359     {
 360         ReThrowMsg(Exceptions::ErrorExternalInstallingFailure,
 361                    "Error during \
 362                 create external folder ");
 363     }
 364 }
 365
 366 void TaskFileManipulation::StepInstallToExternal()
 367 {
 368     LogDebug("StepInstallExternal");
 369     if (!WrtUtilMakeDir(m_context.locations->getSourceDir())) {
 370         ThrowMsg(Exceptions::ErrorExternalInstallingFailure,
 371                  "To make src \
 372                 directory failed");
 373     }
 374
 375     LogDebug("Resource move to external storage " <<
 376              m_context.locations->getSourceDir());
 377     if (!_FolderCopy(m_context.locations->getTemporaryPackageDir(),
 378                      m_context.locations->getSourceDir()))
 379     {
 380         ThrowMsg(Exceptions::ErrorExternalInstallingFailure,
 381                  "Error occurs during renaming widget folder");
 382     }
 383 }
 384
 385 void TaskFileManipulation::StepAbortCreateExternalDir()
 386 {
 387     LogError("Abort StepAbortCreateExternalDir");
 388     if (m_context.isUpdateMode) {
 389         WidgetInstallToExtSingleton::Instance().postUpgrade(false);
 390     } else {
 391         WidgetInstallToExtSingleton::Instance().postInstallation(false);
 392     }
 393     WidgetInstallToExtSingleton::Instance().deinitialize();
 394 }
 395 } //namespace WidgetInstall
 396 } //namespace Jobs