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 <dpl/wrt-dao-rw/widget_dao.h>
  28 #include <dpl/wrt-dao-ro/widget_config.h>
  29 #include <dpl/wrt-dao-ro/vconf_config.h>
  30 #include <dpl/assert.h>
  31 #include <dpl/utils/wrt_utility.h>
  32 #include <ail.h>
  33 #include <pkgmgr/pkgmgr_parser.h>
  34 #include <errno.h>
  35 #include <string.h>
  36 #include <widget_install_to_external.h>
  37 #include <vconf.h>
  38
  39 namespace Jobs {
  40 namespace WidgetUninstall {
  41 using namespace WrtDB;
  42
  43 namespace {
  44 const char * const VCONF_KEY_PREFIX = "file/private/";
  45 }
  46
  47 TaskRemoveFiles::TaskRemoveFiles(UninstallerContext& context) :
  48     DPL::TaskDecl<TaskRemoveFiles>(this),
  49     m_context(context)
  50 {
  51     AddStep(&TaskRemoveFiles::StepRemoveInstallationDirectory);
  52     AddStep(&TaskRemoveFiles::StepRemoveManifest);
  53     AddStep(&TaskRemoveFiles::StepRemoveExternalLocations);
  54     AddStep(&TaskRemoveFiles::StepRemoveVconf);
  55     AddStep(&TaskRemoveFiles::StepRemoveFinished);
  56 }
  57
  58 TaskRemoveFiles::~TaskRemoveFiles()
  59 {}
  60
  61 void TaskRemoveFiles::StepRemoveInstallationDirectory()
  62 {
  63     LogInfo("StepRemoveInstallationDirectory started");
  64     if (APP2EXT_SD_CARD !=
  65             app2ext_get_app_location(m_context.tzPkgid.c_str()))
  66     {
  67         LogDebug("Removing directory");
  68         m_context.removeStarted = true;
  69         std::string widgetDir =
  70             m_context.locations->getPackageInstallationDir();
  71         if (!WrtUtilRemove(widgetDir)) {
  72             LogWarning("Removing widget installation directory failed");
  73         }
  74         std::string dataDir = m_context.locations->getUserDataRootDir();
  75         if (!WrtUtilRemove(dataDir)) {
  76             LogWarning(dataDir + " is already removed");
  77         }
  78     } else {
  79         LogDebug("Removing sdcard directory");
  80         Try {
  81             WidgetInstallToExtSingleton::Instance().initialize(m_context.tzPkgid);
  82             WidgetInstallToExtSingleton::Instance().uninstallation();
  83             WidgetInstallToExtSingleton::Instance().deinitialize();
  84         }
  85         Catch(WidgetInstallToExt::Exception::ErrorInstallToExt)
  86         {
  87             Throw(Jobs::WidgetUninstall::TaskRemoveFiles::Exception::
  88                     RemoveFilesFailed);
  89         }
  90     }
  91     m_context.job->UpdateProgress(
  92         UninstallerContext::UNINSTALL_REMOVE_WIDGETDIR,
  93         "Widget INstallation Directory Removal Finished");
  94 }
  95
  96 void TaskRemoveFiles::StepRemoveFinished()
  97 {
  98     LogInfo("StepRemoveFinished finished");
  99
 100     m_context.job->UpdateProgress(
 101         UninstallerContext::UNINSTALL_REMOVE_FINISHED,
 102         "Widget remove steps Finished");
 103 }
 104
 105 void TaskRemoveFiles::StepRemoveManifest()
 106 {
 107     std::ostringstream manifest_name;
 108     manifest_name << m_context.tzPkgid << ".xml";
 109     std::ostringstream destFile;
 110     destFile << "/opt/share/packages" << "/"; //TODO constant with path
 111     destFile << manifest_name.str();
 112     int ret1 = pkgmgr_parser_parse_manifest_for_uninstallation(
 113             destFile.str().c_str(), NULL);
 114     int ret2 = unlink(destFile.str().c_str());
 115     if (ret1 != 0) {
 116         LogWarning("Manifest file failed to parse for uninstallation");
 117     }
 118     if (ret2 != 0) {
 119         LogWarning("No manifest file found: " << destFile.str());
 120     } else {
 121         LogDebug("Manifest file removed: " << destFile.str());
 122     }
 123 }
 124
 125 void TaskRemoveFiles::StepRemoveExternalLocations()
 126 {
 127     if (!m_context.removeAbnormal) {
 128         WidgetDAO dao(DPL::FromUTF8String(m_context.tzAppid));
 129         LogDebug("Removing external locations:");
 130         WrtDB::ExternalLocationList externalPaths = dao.getWidgetExternalLocations();
 131         FOREACH(path, externalPaths)
 132         {
 133             if (WrtUtilFileExists(*path)) {
 134                 LogDebug("  -> " << *path);
 135                 int ret = remove(path->c_str());
 136                 if (ret != 0) {
 137                     LogError(
 138                             "Failed to remove the file: " << path->c_str() <<
 139                             " with error: " << strerror(errno));
 140                 }
 141             } else if (WrtUtilDirExists(*path)) {
 142                 LogDebug("  -> " << *path);
 143                 if (!WrtUtilRemove(*path)) {
 144                     Throw(
 145                             Jobs::WidgetUninstall::TaskRemoveFiles::Exception::
 146                             RemoveFilesFailed);
 147                 }
 148             } else {
 149                 LogWarning("  -> " << *path << "(no such a path)");
 150             }
 151         }
 152         dao.unregisterAllExternalLocations();
 153     }
 154 }
 155
 156 void TaskRemoveFiles::StepRemoveVconf()
 157 {
 158     if (!m_context.removeAbnormal) {
 159         std::string key =
 160             WrtDB::VconfConfig::GetVconfKeyRootPath(DPL::FromUTF8String(m_context.
 161                         tzAppid));
 162         if (vconf_unset_recursive(key.c_str())) {
 163             LogError("Fail to unset vconf file");
 164         } else {
 165             LogDebug("vconf file is removed");
 166         }
 167     }
 168 }
 169 } //namespace WidgetUninstall
 170 } //namespace Jobs