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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 //
5 // This file defines specific implementation of BrowserDistribution class for
6 // Google Chrome.
7 
8 #include "chrome/installer/util/google_chrome_distribution.h"
9 
10 #include <windows.h>
11 #include <msi.h>
12 
13 #include "base/files/file_path.h"
14 #include "base/path_service.h"
15 #include "base/strings/string_util.h"
16 #include "base/strings/stringprintf.h"
17 #include "base/strings/utf_string_conversions.h"
18 #include "base/win/registry.h"
19 #include "base/win/windows_version.h"
20 #include "chrome/common/net/test_server_locations.h"
21 #include "chrome/installer/util/channel_info.h"
22 #include "chrome/installer/util/google_update_constants.h"
23 #include "chrome/installer/util/google_update_settings.h"
24 #include "chrome/installer/util/helper.h"
25 #include "chrome/installer/util/install_util.h"
26 #include "chrome/installer/util/l10n_string_util.h"
27 #include "chrome/installer/util/uninstall_metrics.h"
28 #include "chrome/installer/util/util_constants.h"
29 #include "chrome/installer/util/wmi.h"
30 #include "content/public/common/result_codes.h"
31 
32 #include "installer_util_strings.h"  // NOLINT
33 
34 namespace {
35 
36 const wchar_t kChromeGuid[] = L"{8A69D345-D564-463c-AFF1-A69D9E530F96}";
37 const wchar_t kBrowserAppId[] = L"Chrome";
38 const wchar_t kBrowserProgIdPrefix[] = L"ChromeHTML";
39 const wchar_t kBrowserProgIdDesc[] = L"Chrome HTML Document";
40 const wchar_t kCommandExecuteImplUuid[] =
41     L"{5C65F4B0-3651-4514-B207-D10CB699B14B}";
42 
43 // The Google Chrome App Launcher icon is index 5; see chrome_exe.rc.
44 const int kAppLauncherIconIndex = 5;
45 
46 // Substitute the locale parameter in uninstall URL with whatever
47 // Google Update tells us is the locale. In case we fail to find
48 // the locale, we use US English.
LocalizeUrl(const wchar_t * url)49 string16 LocalizeUrl(const wchar_t* url) {
50   string16 language;
51   if (!GoogleUpdateSettings::GetLanguage(&language))
52     language = L"en-US";  // Default to US English.
53   return ReplaceStringPlaceholders(url, language.c_str(), NULL);
54 }
55 
GetUninstallSurveyUrl()56 string16 GetUninstallSurveyUrl() {
57   const wchar_t kSurveyUrl[] = L"http://www.google.com/support/chrome/bin/"
58                                L"request.py?hl=$1&contact_type=uninstall";
59   return LocalizeUrl(kSurveyUrl);
60 }
61 
62 }  // namespace
63 
GoogleChromeDistribution()64 GoogleChromeDistribution::GoogleChromeDistribution()
65     : BrowserDistribution(CHROME_BROWSER),
66       product_guid_(kChromeGuid) {
67 }
68 
DoPostUninstallOperations(const Version & version,const base::FilePath & local_data_path,const string16 & distribution_data)69 void GoogleChromeDistribution::DoPostUninstallOperations(
70     const Version& version,
71     const base::FilePath& local_data_path,
72     const string16& distribution_data) {
73   // Send the Chrome version and OS version as params to the form.
74   // It would be nice to send the locale, too, but I don't see an
75   // easy way to get that in the existing code. It's something we
76   // can add later, if needed.
77   // We depend on installed_version.GetString() not having spaces or other
78   // characters that need escaping: 0.2.13.4. Should that change, we will
79   // need to escape the string before using it in a URL.
80   const string16 kVersionParam = L"crversion";
81   const string16 kOSParam = L"os";
82   base::win::OSInfo::VersionNumber version_number =
83       base::win::OSInfo::GetInstance()->version_number();
84   string16 os_version = base::StringPrintf(L"%d.%d.%d",
85       version_number.major, version_number.minor, version_number.build);
86 
87   base::FilePath iexplore;
88   if (!PathService::Get(base::DIR_PROGRAM_FILES, &iexplore))
89     return;
90 
91   iexplore = iexplore.AppendASCII("Internet Explorer");
92   iexplore = iexplore.AppendASCII("iexplore.exe");
93 
94   string16 command = iexplore.value() + L" " + GetUninstallSurveyUrl() +
95       L"&" + kVersionParam + L"=" + UTF8ToWide(version.GetString()) + L"&" +
96       kOSParam + L"=" + os_version;
97 
98   string16 uninstall_metrics;
99   if (installer::ExtractUninstallMetricsFromFile(local_data_path,
100                                                  &uninstall_metrics)) {
101     // The user has opted into anonymous usage data collection, so append
102     // metrics and distribution data.
103     command += uninstall_metrics;
104     if (!distribution_data.empty()) {
105       command += L"&";
106       command += distribution_data;
107     }
108   }
109 
110   int pid = 0;
111   // The reason we use WMI to launch the process is because the uninstall
112   // process runs inside a Job object controlled by the shell. As long as there
113   // are processes running, the shell will not close the uninstall applet. WMI
114   // allows us to escape from the Job object so the applet will close.
115   installer::WMIProcess::Launch(command, &pid);
116 }
117 
GetActiveSetupGuid()118 string16 GoogleChromeDistribution::GetActiveSetupGuid() {
119   return product_guid();
120 }
121 
GetAppGuid()122 string16 GoogleChromeDistribution::GetAppGuid() {
123   return product_guid();
124 }
125 
GetBaseAppName()126 string16 GoogleChromeDistribution::GetBaseAppName() {
127   // I'd really like to return L ## PRODUCT_FULLNAME_STRING; but that's no good
128   // since it'd be "Chromium" in a non-Chrome build, which isn't at all what I
129   // want.  Sigh.
130   return L"Google Chrome";
131 }
132 
GetShortcutName(ShortcutType shortcut_type)133 string16 GoogleChromeDistribution::GetShortcutName(ShortcutType shortcut_type) {
134   int string_id = IDS_PRODUCT_NAME_BASE;
135   switch (shortcut_type) {
136     case SHORTCUT_CHROME_ALTERNATE:
137       string_id = IDS_OEM_MAIN_SHORTCUT_NAME_BASE;
138       break;
139     case SHORTCUT_APP_LAUNCHER:
140       string_id = IDS_APP_LIST_SHORTCUT_NAME_BASE;
141       break;
142     default:
143       DCHECK_EQ(shortcut_type, SHORTCUT_CHROME);
144       break;
145   }
146   return installer::GetLocalizedString(string_id);
147 }
148 
GetIconIndex(ShortcutType shortcut_type)149 int GoogleChromeDistribution::GetIconIndex(ShortcutType shortcut_type) {
150   if (shortcut_type == SHORTCUT_APP_LAUNCHER)
151     return kAppLauncherIconIndex;
152   DCHECK(shortcut_type == SHORTCUT_CHROME ||
153          shortcut_type == SHORTCUT_CHROME_ALTERNATE) << shortcut_type;
154   return 0;
155 }
156 
GetBaseAppId()157 string16 GoogleChromeDistribution::GetBaseAppId() {
158   return kBrowserAppId;
159 }
160 
GetBrowserProgIdPrefix()161 string16 GoogleChromeDistribution::GetBrowserProgIdPrefix() {
162   return kBrowserProgIdPrefix;
163 }
164 
GetBrowserProgIdDesc()165 string16 GoogleChromeDistribution::GetBrowserProgIdDesc() {
166   return kBrowserProgIdDesc;
167 }
168 
GetInstallSubDir()169 string16 GoogleChromeDistribution::GetInstallSubDir() {
170   string16 sub_dir(installer::kGoogleChromeInstallSubDir1);
171   sub_dir.append(L"\\");
172   sub_dir.append(installer::kGoogleChromeInstallSubDir2);
173   return sub_dir;
174 }
175 
GetPublisherName()176 string16 GoogleChromeDistribution::GetPublisherName() {
177   const string16& publisher_name =
178       installer::GetLocalizedString(IDS_ABOUT_VERSION_COMPANY_NAME_BASE);
179   return publisher_name;
180 }
181 
GetAppDescription()182 string16 GoogleChromeDistribution::GetAppDescription() {
183   const string16& app_description =
184       installer::GetLocalizedString(IDS_SHORTCUT_TOOLTIP_BASE);
185   return app_description;
186 }
187 
GetSafeBrowsingName()188 std::string GoogleChromeDistribution::GetSafeBrowsingName() {
189   return "googlechrome";
190 }
191 
GetStateKey()192 string16 GoogleChromeDistribution::GetStateKey() {
193   string16 key(google_update::kRegPathClientState);
194   key.append(L"\\");
195   key.append(product_guid());
196   return key;
197 }
198 
GetStateMediumKey()199 string16 GoogleChromeDistribution::GetStateMediumKey() {
200   string16 key(google_update::kRegPathClientStateMedium);
201   key.append(L"\\");
202   key.append(product_guid());
203   return key;
204 }
205 
GetNetworkStatsServer() const206 std::string GoogleChromeDistribution::GetNetworkStatsServer() const {
207   return chrome_common_net::kEchoTestServerLocation;
208 }
209 
GetHttpPipeliningTestServer() const210 std::string GoogleChromeDistribution::GetHttpPipeliningTestServer() const {
211   return chrome_common_net::kPipelineTestServerBaseUrl;
212 }
213 
GetDistributionData(HKEY root_key)214 string16 GoogleChromeDistribution::GetDistributionData(HKEY root_key) {
215   string16 sub_key(google_update::kRegPathClientState);
216   sub_key.append(L"\\");
217   sub_key.append(product_guid());
218 
219   base::win::RegKey client_state_key(root_key, sub_key.c_str(), KEY_READ);
220   string16 result;
221   string16 brand_value;
222   if (client_state_key.ReadValue(google_update::kRegRLZBrandField,
223                                  &brand_value) == ERROR_SUCCESS) {
224     result = google_update::kRegRLZBrandField;
225     result.append(L"=");
226     result.append(brand_value);
227     result.append(L"&");
228   }
229 
230   string16 client_value;
231   if (client_state_key.ReadValue(google_update::kRegClientField,
232                                  &client_value) == ERROR_SUCCESS) {
233     result.append(google_update::kRegClientField);
234     result.append(L"=");
235     result.append(client_value);
236     result.append(L"&");
237   }
238 
239   string16 ap_value;
240   // If we fail to read the ap key, send up "&ap=" anyway to indicate
241   // that this was probably a stable channel release.
242   client_state_key.ReadValue(google_update::kRegApField, &ap_value);
243   result.append(google_update::kRegApField);
244   result.append(L"=");
245   result.append(ap_value);
246 
247   return result;
248 }
249 
GetUninstallLinkName()250 string16 GoogleChromeDistribution::GetUninstallLinkName() {
251   const string16& link_name =
252       installer::GetLocalizedString(IDS_UNINSTALL_CHROME_BASE);
253   return link_name;
254 }
255 
GetUninstallRegPath()256 string16 GoogleChromeDistribution::GetUninstallRegPath() {
257   return L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\"
258          L"Google Chrome";
259 }
260 
GetVersionKey()261 string16 GoogleChromeDistribution::GetVersionKey() {
262   string16 key(google_update::kRegPathClients);
263   key.append(L"\\");
264   key.append(product_guid());
265   return key;
266 }
267 
GetIconFilename()268 string16 GoogleChromeDistribution::GetIconFilename() {
269   return installer::kChromeExe;
270 }
271 
GetCommandExecuteImplClsid(string16 * handler_class_uuid)272 bool GoogleChromeDistribution::GetCommandExecuteImplClsid(
273     string16* handler_class_uuid) {
274   if (handler_class_uuid)
275     *handler_class_uuid = kCommandExecuteImplUuid;
276   return true;
277 }
278 
AppHostIsSupported()279 bool GoogleChromeDistribution::AppHostIsSupported() {
280   return true;
281 }
282 
283 // This method checks if we need to change "ap" key in Google Update to try
284 // full installer as fall back method in case incremental installer fails.
285 // - If incremental installer fails we append a magic string ("-full"), if
286 // it is not present already, so that Google Update server next time will send
287 // full installer to update Chrome on the local machine
288 // - If we are currently running full installer, we remove this magic
289 // string (if it is present) regardless of whether installer failed or not.
290 // There is no fall-back for full installer :)
UpdateInstallStatus(bool system_install,installer::ArchiveType archive_type,installer::InstallStatus install_status)291 void GoogleChromeDistribution::UpdateInstallStatus(bool system_install,
292     installer::ArchiveType archive_type,
293     installer::InstallStatus install_status) {
294   GoogleUpdateSettings::UpdateInstallStatus(system_install,
295       archive_type, InstallUtil::GetInstallReturnCode(install_status),
296       product_guid());
297 }
298 
ShouldSetExperimentLabels()299 bool GoogleChromeDistribution::ShouldSetExperimentLabels() {
300   return true;
301 }
302 
HasUserExperiments()303 bool GoogleChromeDistribution::HasUserExperiments() {
304   return true;
305 }
306