src/jobs/widget_uninstall/task_remove_files.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_remove_files.cpp
  18  * @author  Lukasz Wrzosek(l.wrzosek@samsung.com)
  19  * @version 1.0
  20  * @brief   Implementation file for uninstaller task for removing widget files
  21  */
  22
  23 #include <unistd.h>
  24 #include <widget_uninstall/task_remove_files.h>
  25 #include <widget_uninstall/job_widget_uninstall.h>
  26 #include <widget_uninstall/uninstaller_context.h>
  27 #include <widget_uninstall/widget_uninstall_errors.h>
  28 #include <dpl/wrt-dao-rw/widget_dao.h>
  29 #include <dpl/wrt-dao-ro/widget_config.h>
  30 #include <dpl/assert.h>
  31 #include <dpl/exception.h>
  32 #include <dpl/utils/wrt_utility.h>
  33 #include <dpl/utils/path.h>
  34 #include <ail.h>
  35 #include <pkgmgr/pkgmgr_parser.h>
  36 #include <errno.h>
  37 #include <string.h>
  38 #include <widget_install_to_external.h>
  39
  40 namespace Jobs {
  41 namespace WidgetUninstall {
  42 using namespace WrtDB;
  43
  44 TaskRemoveFiles::TaskRemoveFiles(UninstallerContext& context) :
  45     DPL::TaskDecl<TaskRemoveFiles>(this),
  46     m_context(context)
  47 {
  48     AddStep(&TaskRemoveFiles::StartStep);
  49     AddStep(&TaskRemoveFiles::StepRemoveInstallationDirectory);
  50     AddStep(&TaskRemoveFiles::StepRemoveManifest);
  51     AddStep(&TaskRemoveFiles::StepRemoveExternalLocations);
  52     AddStep(&TaskRemoveFiles::StepRemoveFinished);
  53     AddStep(&TaskRemoveFiles::EndStep);
  54 }
  55
  56 TaskRemoveFiles::~TaskRemoveFiles()
  57 {}
  58
  59 void TaskRemoveFiles::StepRemoveInstallationDirectory()
  60 {
  61     LogDebug("StepRemoveInstallationDirectory started");
  62     Try {
  63         int ret = app2ext_get_app_location(m_context.tzPkgid.c_str());
  64
  65         if (APP2EXT_INTERNAL_MEM == ret) {
  66             LogDebug("Removing directory");
  67             m_context.removeStarted = true;
  68             DPL::Utils::Path widgetDir= m_context.installedPath;
  69             Try{
  70                 DPL::Utils::Remove(widgetDir);
  71             } Catch(DPL::Utils::Path::BaseException){
  72                 LogError("Removing widget installation directory failed : " <<
  73                         widgetDir.Fullpath());
  74             }
  75             DPL::Utils::Path dataDir(m_context.locations->getUserDataRootDir());
  76             Try{
  77                 DPL::Utils::Remove(dataDir);
  78             } Catch(DPL::Utils::Path::BaseException){
  79                 LogWarning(dataDir.Fullpath() << " is already removed");
  80             }
  81         } else if (APP2EXT_SD_CARD == ret) {
  82             LogDebug("Removing sdcard directory");
  83             Try {
  84                 WidgetInstallToExtSingleton::Instance().initialize(m_context.tzPkgid);
  85                 WidgetInstallToExtSingleton::Instance().uninstallation();
  86                 WidgetInstallToExtSingleton::Instance().deinitialize();
  87             }
  88             Catch(WidgetInstallToExt::Exception::ErrorInstallToExt)
  89             {
  90                 Throw(Jobs::WidgetUninstall::TaskRemoveFiles::Exception::
  91                         RemoveFilesFailed);
  92             }
  93         } else {
  94             LogError("app is not installed");
  95             ThrowMsg(Exceptions::WidgetNotExist, "failed to get app location");
  96         }
  97     } Catch(Exception::RemoveFilesFailed) {
  98         ThrowMsg(Exceptions::RemoveFileFailure, "Cann't remove directory");
  99     }
 100     m_context.job->UpdateProgress(
 101         UninstallerContext::UNINSTALL_REMOVE_WIDGETDIR,
 102         "Widget INstallation Directory Removal Finished");
 103 }
 104
 105 void TaskRemoveFiles::StepRemoveFinished()
 106 {
 107     LogDebug("StepRemoveFinished finished");
 108
 109     m_context.job->UpdateProgress(
 110         UninstallerContext::UNINSTALL_REMOVE_FINISHED,
 111         "Widget remove steps Finished");
 112 }
 113
 114 void TaskRemoveFiles::StepRemoveManifest()
 115 {
 116     std::ostringstream manifest_name;
 117     manifest_name << m_context.tzPkgid << ".xml";
 118     DPL::Utils::Path destFile;
 119     const DPL::Utils::Path PRELOAD_INSTALLED_PATH("/usr/apps");
 120     const DPL::Utils::Path USR_PACKAGES_PATH("/usr/share/packages");
 121     const DPL::Utils::Path OPT_PACKAGES_PATH("/opt/share/packages");
 122     if (0 == (m_context.installedPath.Fullpath()).compare(0,
 123             PRELOAD_INSTALLED_PATH.Fullpath().length(),
 124             PRELOAD_INSTALLED_PATH.Fullpath())) {
 125         LogDebug("This widget is preloaded.");
 126         destFile = USR_PACKAGES_PATH;
 127     } else {
 128         destFile = OPT_PACKAGES_PATH;
 129     }
 130     destFile /= manifest_name.str();
 131     DPL::Utils::Path pre_manifest = USR_PACKAGES_PATH;
 132     pre_manifest /= manifest_name.str();
 133
 134     if (!(destFile.Exists() == 0 && pre_manifest.Exists())) {
 135         int ret1 = pkgmgr_parser_parse_manifest_for_uninstallation(
 136                 destFile.Fullpath().c_str(), NULL);
 137         if (ret1 != 0) {
 138             LogWarning("Manifest file failed to parse for uninstallation");
 139         }
 140     }
 141     if (!DPL::Utils::TryRemove(destFile)) {
 142         LogWarning("No manifest file found: " << destFile.Fullpath());
 143     } else {
 144         LogDebug("Manifest file removed: " << destFile.Fullpath());
 145     }
 146 }
 147
 148 void TaskRemoveFiles::StepRemoveExternalLocations()
 149 {
 150     if (!m_context.removeAbnormal) {
 151         WidgetDAO dao(DPL::FromUTF8String(m_context.tzAppid));
 152         LogDebug("Removing external locations:");
 153         WrtDB::ExternalLocationList externalPaths = dao.getWidgetExternalLocations();
 154         FOREACH(file, externalPaths)
 155         {
 156             DPL::Utils::Path path(*file);
 157             if(path.Exists()){
 158                 if(path.IsFile()){
 159                     LogDebug("  -> " << path.Fullpath());
 160                     Try{
 161                         DPL::Utils::Remove(path);
 162                     }Catch(DPL::Utils::Path::BaseException){
 163                         LogError("Failed to remove the file: " << path.Fullpath());
 164                     }
 165                 } else if (path.IsDir()){
 166                     LogDebug("  -> " << path.Fullpath());
 167                     Try{
 168                         DPL::Utils::Remove(path);
 169                     }Catch(DPL::Utils::Path::BaseException){
 170                         Throw(Jobs::WidgetUninstall::TaskRemoveFiles::
 171                                 Exception::RemoveFilesFailed);
 172                     }
 173                 }
 174             }else{
 175                 LogWarning("  -> " << path.Fullpath() << "(no such a path)");
 176             }
 177         }
 178         dao.unregisterAllExternalLocations();
 179     }
 180 }
 181
 182 void TaskRemoveFiles::StartStep()
 183 {
 184     LogDebug("--------- <TaskRemoveFiles> : START ----------");
 185 }
 186
 187 void TaskRemoveFiles::EndStep()
 188 {
 189     LogDebug("--------- <TaskRemoveFiles> : END ----------");
 190 }
 191 } //namespace WidgetUninstall
 192 } //namespace Jobs