Resurrect the cloud printer driver.

cloud_print/common/win/install_utils.cc

Index: cloud_print/common/win/install_utils.cc
diff --git a/cloud_print/common/win/install_utils.cc b/cloud_print/common/win/install_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..955b3ebc82aada67f6b4d516b06f2ff1d930f81c
--- /dev/null
+++ b/cloud_print/common/win/install_utils.cc
@@ -0,0 +1,214 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cloud_print/common/win/install_utils.h"
+
+#include <windows.h>
+
+#include "base/command_line.h"
+#include "base/file_version_info_win.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/path_service.h"
+#include "base/process/launch.h"
+#include "base/win/current_module.h"
+#include "base/win/registry.h"
+#include "cloud_print/common/win/cloud_print_utils.h"
+
+namespace cloud_print {
+
+namespace {
+
+// Google Update related constants.
+const wchar_t kClientsKey[] = L"SOFTWARE\\Google\\Update\\Clients\\";
+const wchar_t kClientStateKey[] = L"SOFTWARE\\Google\\Update\\ClientState\\";
+const wchar_t kVersionKey[] = L"pv";
+const wchar_t kNameKey[] = L"name";
+
+enum InstallerResult {
+  INSTALLER_RESULT_FAILED_CUSTOM_ERROR = 1,
+  INSTALLER_RESULT_FAILED_SYSTEM_ERROR = 3,
+};
+
+const wchar_t kRegValueInstallerResult[] = L"InstallerResult";
+const wchar_t kRegValueInstallerResultUIString[] = L"InstallerResultUIString";
+const wchar_t kRegValueInstallerError[] = L"InstallerError";
+
+// Uninstall related constants.
+const wchar_t kUninstallKey[] =
+    L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\";
+const wchar_t kInstallLocation[] = L"InstallLocation";
+const wchar_t kUninstallString[] = L"UninstallString";
+const wchar_t kDisplayVersion[] = L"DisplayVersion";
+const wchar_t kDisplayIcon[] = L"DisplayIcon";
+const wchar_t kDisplayName[] = L"DisplayName";
+const wchar_t kPublisher[] = L"Publisher";
+const wchar_t kNoModify[] = L"NoModify";
+const wchar_t kNoRepair[] = L"NoRepair";
+
+}  // namespace
+
+void SetGoogleUpdateKeys(const base::string16& product_id,
+                         const base::string16& product_name) {
+  base::win::RegKey key;
+  if (key.Create(HKEY_LOCAL_MACHINE,
+                 (cloud_print::kClientsKey + product_id).c_str(),
+                 KEY_SET_VALUE) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to open key";
+  }
+
+  // Get the version from the resource file.
+  base::string16 version_string;
+  std::unique_ptr<FileVersionInfo> version_info(
+      FileVersionInfo::CreateFileVersionInfoForModule(CURRENT_MODULE()));
+  if (version_info.get()) {
+    FileVersionInfoWin* version_info_win =
+        static_cast<FileVersionInfoWin*>(version_info.get());
+    version_string = version_info_win->product_version();
+  } else {
+    LOG(ERROR) << "Unable to get version string";
+    // Use a random version string so that Google Update has something to go by.
+    version_string = L"0.0.0.99";
+  }
+
+  if (key.WriteValue(kVersionKey, version_string.c_str()) != ERROR_SUCCESS ||
+      key.WriteValue(kNameKey, product_name.c_str()) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to set registry keys";
+  }
+}
+
+void SetGoogleUpdateError(const base::string16& product_id,
+                          const base::string16& message) {
+  LOG(ERROR) << message;
+  base::win::RegKey key;
+  if (key.Create(HKEY_LOCAL_MACHINE,
+                 (cloud_print::kClientStateKey + product_id).c_str(),
+                 KEY_SET_VALUE) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to open key";
+  }
+
+  if (key.WriteValue(kRegValueInstallerResult,
+                     INSTALLER_RESULT_FAILED_CUSTOM_ERROR) != ERROR_SUCCESS ||
+      key.WriteValue(kRegValueInstallerResultUIString, message.c_str()) !=
+          ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to set registry keys";
+  }
+}
+
+void SetGoogleUpdateError(const base::string16& product_id, HRESULT hr) {
+  LOG(ERROR) << cloud_print::GetErrorMessage(hr);
+  base::win::RegKey key;
+  if (key.Create(HKEY_LOCAL_MACHINE,
+                 (cloud_print::kClientStateKey + product_id).c_str(),
+                 KEY_SET_VALUE) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to open key";
+  }
+
+  if (key.WriteValue(kRegValueInstallerResult,
+                     INSTALLER_RESULT_FAILED_SYSTEM_ERROR) != ERROR_SUCCESS ||
+      key.WriteValue(kRegValueInstallerError, hr) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to set registry keys";
+  }
+}
+
+void DeleteGoogleUpdateKeys(const base::string16& product_id) {
+  base::win::RegKey key;
+  if (key.Open(HKEY_LOCAL_MACHINE,
+               (cloud_print::kClientsKey + product_id).c_str(),
+               DELETE) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to open key to delete";
+    return;
+  }
+  if (key.DeleteKey(L"") != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to delete key";
+  }
+}
+
+void CreateUninstallKey(const base::string16& uninstall_id,
+                        const base::string16& product_name,
+                        const std::string& uninstall_switch) {
+  // Now write the Windows Uninstall entries
+  // Minimal error checking here since the install can continue
+  // if this fails.
+  base::win::RegKey key;
+  if (key.Create(HKEY_LOCAL_MACHINE,
+                 (cloud_print::kUninstallKey + uninstall_id).c_str(),
+                 KEY_SET_VALUE) != ERROR_SUCCESS) {
+    LOG(ERROR) << "Unable to open key";
+    return;
+  }
+
+  base::FilePath unstall_binary;
+  CHECK(PathService::Get(base::FILE_EXE, &unstall_binary));
+
+  base::CommandLine uninstall_command(unstall_binary);
+  uninstall_command.AppendSwitch(uninstall_switch);
+  key.WriteValue(kUninstallString,
+                 uninstall_command.GetCommandLineString().c_str());
+  key.WriteValue(kInstallLocation, unstall_binary.DirName().value().c_str());
+
+  // Get the version resource.
+  std::unique_ptr<FileVersionInfo> version_info(
+      FileVersionInfo::CreateFileVersionInfoForModule(CURRENT_MODULE()));
+
+  if (version_info.get()) {
+    FileVersionInfoWin* version_info_win =
+        static_cast<FileVersionInfoWin*>(version_info.get());
+    key.WriteValue(kDisplayVersion, version_info_win->file_version().c_str());
+    key.WriteValue(kPublisher, version_info_win->company_name().c_str());
+  } else {
+    LOG(ERROR) << "Unable to get version string";
+  }
+  key.WriteValue(kDisplayName, product_name.c_str());
+  key.WriteValue(kDisplayIcon, unstall_binary.value().c_str());
+  key.WriteValue(kNoModify, 1);
+  key.WriteValue(kNoRepair, 1);
+}
+
+void DeleteUninstallKey(const base::string16& uninstall_id) {
+  ::RegDeleteKey(HKEY_LOCAL_MACHINE,
+                 (cloud_print::kUninstallKey + uninstall_id).c_str());
+}
+
+base::FilePath GetInstallLocation(const base::string16& uninstall_id) {
+  base::win::RegKey key;
+  if (key.Open(HKEY_LOCAL_MACHINE,
+               (cloud_print::kUninstallKey + uninstall_id).c_str(),
+               KEY_QUERY_VALUE) != ERROR_SUCCESS) {
+    // Not installed.
+    return base::FilePath();
+  }
+  base::string16 install_path_value;
+  key.ReadValue(kInstallLocation, &install_path_value);
+  return base::FilePath(install_path_value);
+}
+
+void DeleteProgramDir(const std::string& delete_switch) {
+  base::FilePath installer_source;
+  if (!PathService::Get(base::FILE_EXE, &installer_source))
+    return;
+  // Deletes only subdirs of program files.
+  if (!IsProgramsFilesParent(installer_source))
+    return;
+  base::FilePath temp_path;
+  if (!base::CreateTemporaryFile(&temp_path))
+    return;
+  base::CopyFile(installer_source, temp_path);
+  base::DeleteFileAfterReboot(temp_path);
+  base::CommandLine command_line(temp_path);
+  command_line.AppendSwitchPath(delete_switch, installer_source.DirName());
+  base::LaunchOptions options;
+  if (!base::LaunchProcess(command_line, options).IsValid()) {
+    LOG(ERROR) << "Unable to launch child uninstall.";
+  }
+}
+
+bool IsProgramsFilesParent(const base::FilePath& path) {
+  base::FilePath program_files;
+  if (!PathService::Get(base::DIR_PROGRAM_FILESX86, &program_files))
+    return false;
+  return program_files.IsParent(path);
+}
+
+}  // namespace cloud_print