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::StepRemoveInstallationDirectory);
  49     AddStep(&TaskRemoveFiles::StepRemoveManifest);
  50     AddStep(&TaskRemoveFiles::StepRemoveExternalLocations);
  51     AddStep(&TaskRemoveFiles::StepRemoveFinished);
  52 }
  53
  54 TaskRemoveFiles::~TaskRemoveFiles()
  55 {}
  56
  57 void TaskRemoveFiles::StepRemoveInstallationDirectory()
  58 {
  59     LogInfo("StepRemoveInstallationDirectory started");
  60     Try {
  61         int ret = app2ext_get_app_location(m_context.tzPkgid.c_str());
  62
  63         if (APP2EXT_INTERNAL_MEM == ret) {
  64             LogDebug("Removing directory");
  65             m_context.removeStarted = true;
  66             DPL::Utils::Path widgetDir= m_context.installedPath;
  67             Try{
  68                 DPL::Utils::Remove(widgetDir);
  69             } Catch(DPL::Utils::Path::BaseException){
  70                 LogError("Removing widget installation directory failed : " <<
  71                         widgetDir.Fullpath());
  72             }
  73             DPL::Utils::Path dataDir(m_context.locations->getUserDataRootDir());
  74             Try{
  75                 DPL::Utils::Remove(dataDir);
  76             } Catch(DPL::Utils::Path::BaseException){
  77                 LogWarning(dataDir.Fullpath() << " is already removed");
  78             }
  79         } else if (APP2EXT_SD_CARD == ret) {
  80             LogDebug("Removing sdcard directory");
  81             Try {
  82                 WidgetInstallToExtSingleton::Instance().initialize(m_context.tzPkgid);
  83                 WidgetInstallToExtSingleton::Instance().uninstallation();
  84                 WidgetInstallToExtSingleton::Instance().deinitialize();
  85             }
  86             Catch(WidgetInstallToExt::Exception::ErrorInstallToExt)
  87             {
  88                 Throw(Jobs::WidgetUninstall::TaskRemoveFiles::Exception::
  89                         RemoveFilesFailed);
  90             }
  91         } else {
  92             LogError("app is not installed");
  93             ThrowMsg(Exceptions::WidgetNotExist, "failed to get app location");
  94         }
  95     } Catch(Exception::RemoveFilesFailed) {
  96         ThrowMsg(Exceptions::RemoveFileFailure, "Cann't remove directory");
  97     }
  98     m_context.job->UpdateProgress(
  99         UninstallerContext::UNINSTALL_REMOVE_WIDGETDIR,
 100         "Widget INstallation Directory Removal Finished");
 101 }
 102
 103 void TaskRemoveFiles::StepRemoveFinished()
 104 {
 105     LogInfo("StepRemoveFinished finished");
 106
 107     m_context.job->UpdateProgress(
 108         UninstallerContext::UNINSTALL_REMOVE_FINISHED,
 109         "Widget remove steps Finished");
 110 }
 111
 112 void TaskRemoveFiles::StepRemoveManifest()
 113 {
 114     std::ostringstream manifest_name;
 115     manifest_name << m_context.tzPkgid << ".xml";
 116     DPL::Utils::Path destFile;
 117     const DPL::Utils::Path PRELOAD_INSTALLED_PATH("/usr/apps");
 118     const DPL::Utils::Path USR_PACKAGES_PATH("/usr/share/packages");
 119     const DPL::Utils::Path OPT_PACKAGES_PATH("/opt/share/packages");
 120     if (0 == (m_context.installedPath.Fullpath()).compare(0,
 121             PRELOAD_INSTALLED_PATH.Fullpath().length(),
 122             PRELOAD_INSTALLED_PATH.Fullpath())) {
 123         LogDebug("This widget is preloaded.");
 124         destFile = USR_PACKAGES_PATH;
 125     } else {
 126         destFile = OPT_PACKAGES_PATH;
 127     }
 128     destFile /= manifest_name.str();
 129     DPL::Utils::Path pre_manifest = USR_PACKAGES_PATH;
 130     pre_manifest /= manifest_name.str();
 131
 132     if (!(destFile.Exists() == 0 && pre_manifest.Exists())) {
 133         int ret1 = pkgmgr_parser_parse_manifest_for_uninstallation(
 134                 destFile.Fullpath().c_str(), NULL);
 135         if (ret1 != 0) {
 136             LogWarning("Manifest file failed to parse for uninstallation");
 137         }
 138     }
 139     if (!DPL::Utils::TryRemove(destFile)) {
 140         LogWarning("No manifest file found: " << destFile.Fullpath());
 141     } else {
 142         LogDebug("Manifest file removed: " << destFile.Fullpath());
 143     }
 144 }
 145
 146 void TaskRemoveFiles::StepRemoveExternalLocations()
 147 {
 148     if (!m_context.removeAbnormal) {
 149         WidgetDAO dao(DPL::FromUTF8String(m_context.tzAppid));
 150         LogDebug("Removing external locations:");
 151         WrtDB::ExternalLocationList externalPaths = dao.getWidgetExternalLocations();
 152         FOREACH(file, externalPaths)
 153         {
 154             DPL::Utils::Path path(*file);
 155             if(path.Exists()){
 156                 if(path.IsFile()){
 157                     LogDebug("  -> " << path.Fullpath());
 158                     Try{
 159                         DPL::Utils::Remove(path);
 160                     }Catch(DPL::Utils::Path::BaseException){
 161                         LogError("Failed to remove the file: " << path.Fullpath());
 162                     }
 163                 } else if (path.IsDir()){
 164                     LogDebug("  -> " << path.Fullpath());
 165                     Try{
 166                         DPL::Utils::Remove(path);
 167                     }Catch(DPL::Utils::Path::BaseException){
 168                         Throw(Jobs::WidgetUninstall::TaskRemoveFiles::
 169                                 Exception::RemoveFilesFailed);
 170                     }
 171                 }
 172             }else{
 173                 LogWarning("  -> " << path.Fullpath() << "(no such a path)");
 174             }
 175         }
 176         dao.unregisterAllExternalLocations();
 177     }
 178 }
 179 } //namespace WidgetUninstall
 180 } //namespace Jobs