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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/installer/launcher_support/chrome_launcher_support.h" | 5 #include "chrome/installer/launcher_support/chrome_launcher_support.h" |
6 | 6 |
7 #include <windows.h> | 7 #include <windows.h> |
8 #include <tchar.h> | 8 #include <tchar.h> |
9 | 9 |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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43 const char kChromeAppLauncher[] = "app-launcher"; | 43 const char kChromeAppLauncher[] = "app-launcher"; |
44 const wchar_t kChromeExe[] = L"chrome.exe"; | 44 const wchar_t kChromeExe[] = L"chrome.exe"; |
45 const wchar_t kUninstallArgumentsField[] = L"UninstallArguments"; | 45 const wchar_t kUninstallArgumentsField[] = L"UninstallArguments"; |
46 const wchar_t kUninstallStringField[] = L"UninstallString"; | 46 const wchar_t kUninstallStringField[] = L"UninstallString"; |
47 | 47 |
48 // Reads a string value from the specified product's "ClientState" registry key. | 48 // Reads a string value from the specified product's "ClientState" registry key. |
49 // Returns true iff the value is present and successfully read. | 49 // Returns true iff the value is present and successfully read. |
50 bool GetClientStateValue(InstallationLevel level, | 50 bool GetClientStateValue(InstallationLevel level, |
51 const wchar_t* app_guid, | 51 const wchar_t* app_guid, |
52 const wchar_t* value_name, | 52 const wchar_t* value_name, |
53 string16* value) { | 53 base::string16* value) { |
54 HKEY root_key = (level == USER_LEVEL_INSTALLATION) ? | 54 HKEY root_key = (level == USER_LEVEL_INSTALLATION) ? |
55 HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE; | 55 HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE; |
56 string16 subkey(kGoogleRegClientStateKey); | 56 base::string16 subkey(kGoogleRegClientStateKey); |
57 subkey.append(1, L'\\').append(app_guid); | 57 subkey.append(1, L'\\').append(app_guid); |
58 base::win::RegKey reg_key; | 58 base::win::RegKey reg_key; |
59 // Google Update always uses 32bit hive. | 59 // Google Update always uses 32bit hive. |
60 if (reg_key.Open(root_key, subkey.c_str(), | 60 if (reg_key.Open(root_key, subkey.c_str(), |
61 KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS) { | 61 KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS) { |
62 if (reg_key.ReadValue(value_name, value) == ERROR_SUCCESS) { | 62 if (reg_key.ReadValue(value_name, value) == ERROR_SUCCESS) { |
63 return true; | 63 return true; |
64 } | 64 } |
65 } | 65 } |
66 return false; | 66 return false; |
67 } | 67 } |
68 | 68 |
69 // Determines whether the specified product has a key in "Clients". This | 69 // Determines whether the specified product has a key in "Clients". This |
70 // indicates whether the product is installed at the given level. | 70 // indicates whether the product is installed at the given level. |
71 bool IsProductInstalled(InstallationLevel level, const wchar_t* app_guid) { | 71 bool IsProductInstalled(InstallationLevel level, const wchar_t* app_guid) { |
72 HKEY root_key = (level == USER_LEVEL_INSTALLATION) ? | 72 HKEY root_key = (level == USER_LEVEL_INSTALLATION) ? |
73 HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE; | 73 HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE; |
74 string16 subkey(kGoogleRegClientsKey); | 74 base::string16 subkey(kGoogleRegClientsKey); |
75 subkey.append(1, L'\\').append(app_guid); | 75 subkey.append(1, L'\\').append(app_guid); |
76 base::win::RegKey reg_key; | 76 base::win::RegKey reg_key; |
77 // Google Update always uses 32bit hive. | 77 // Google Update always uses 32bit hive. |
78 return reg_key.Open(root_key, subkey.c_str(), | 78 return reg_key.Open(root_key, subkey.c_str(), |
79 KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS && | 79 KEY_QUERY_VALUE | KEY_WOW64_32KEY) == ERROR_SUCCESS && |
80 reg_key.HasValue(kRegVersionField); | 80 reg_key.HasValue(kRegVersionField); |
81 } | 81 } |
82 | 82 |
83 bool IsAppLauncherEnabledAtLevel(InstallationLevel level) { | 83 bool IsAppLauncherEnabledAtLevel(InstallationLevel level) { |
84 string16 uninstall_arguments; | 84 base::string16 uninstall_arguments; |
85 if (GetClientStateValue(level, | 85 if (GetClientStateValue(level, |
86 kAppHostAppId, | 86 kAppHostAppId, |
87 kUninstallArgumentsField, | 87 kUninstallArgumentsField, |
88 &uninstall_arguments)) { | 88 &uninstall_arguments)) { |
89 return CommandLine::FromString(L"dummy.exe " + uninstall_arguments) | 89 return CommandLine::FromString(L"dummy.exe " + uninstall_arguments) |
90 .HasSwitch(kChromeAppLauncher) && | 90 .HasSwitch(kChromeAppLauncher) && |
91 !GetAppHostPathForInstallationLevel(level).empty(); | 91 !GetAppHostPathForInstallationLevel(level).empty(); |
92 } | 92 } |
93 return false; | 93 return false; |
94 } | 94 } |
95 | 95 |
96 // Reads the path to setup.exe from the value "UninstallString" within the | 96 // Reads the path to setup.exe from the value "UninstallString" within the |
97 // specified product's "ClientState" registry key. Returns an empty FilePath if | 97 // specified product's "ClientState" registry key. Returns an empty FilePath if |
98 // an error occurs or the product is not installed at the specified level. | 98 // an error occurs or the product is not installed at the specified level. |
99 base::FilePath GetSetupExeFromRegistry(InstallationLevel level, | 99 base::FilePath GetSetupExeFromRegistry(InstallationLevel level, |
100 const wchar_t* app_guid) { | 100 const wchar_t* app_guid) { |
101 string16 uninstall; | 101 base::string16 uninstall; |
102 if (GetClientStateValue(level, app_guid, kUninstallStringField, &uninstall)) { | 102 if (GetClientStateValue(level, app_guid, kUninstallStringField, &uninstall)) { |
103 base::FilePath setup_exe_path(uninstall); | 103 base::FilePath setup_exe_path(uninstall); |
104 if (base::PathExists(setup_exe_path)) | 104 if (base::PathExists(setup_exe_path)) |
105 return setup_exe_path; | 105 return setup_exe_path; |
106 } | 106 } |
107 return base::FilePath(); | 107 return base::FilePath(); |
108 } | 108 } |
109 | 109 |
110 // Returns the path to an installed |exe_file| (e.g. chrome.exe, app_host.exe) | 110 // Returns the path to an installed |exe_file| (e.g. chrome.exe, app_host.exe) |
111 // at the specified level, given |setup_exe_path| from Omaha client state. | 111 // at the specified level, given |setup_exe_path| from Omaha client state. |
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128 } | 128 } |
129 return base::FilePath(); | 129 return base::FilePath(); |
130 } | 130 } |
131 | 131 |
132 } // namespace | 132 } // namespace |
133 | 133 |
134 void UninstallLegacyAppLauncher(InstallationLevel level) { | 134 void UninstallLegacyAppLauncher(InstallationLevel level) { |
135 base::FilePath setup_exe(GetSetupExeFromRegistry(level, kAppHostAppId)); | 135 base::FilePath setup_exe(GetSetupExeFromRegistry(level, kAppHostAppId)); |
136 if (setup_exe.empty()) | 136 if (setup_exe.empty()) |
137 return; | 137 return; |
138 string16 uninstall_arguments; | 138 base::string16 uninstall_arguments; |
139 if (GetClientStateValue(level, | 139 if (GetClientStateValue(level, |
140 kAppHostAppId, | 140 kAppHostAppId, |
141 kUninstallArgumentsField, | 141 kUninstallArgumentsField, |
142 &uninstall_arguments)) { | 142 &uninstall_arguments)) { |
143 CommandLine uninstall_cmd = CommandLine::FromString( | 143 CommandLine uninstall_cmd = CommandLine::FromString( |
144 L"\"" + setup_exe.value() + L"\" " + uninstall_arguments); | 144 L"\"" + setup_exe.value() + L"\" " + uninstall_arguments); |
145 | 145 |
146 VLOG(1) << "Uninstalling legacy app launcher with command line: " | 146 VLOG(1) << "Uninstalling legacy app launcher with command line: " |
147 << uninstall_cmd.GetCommandLineString(); | 147 << uninstall_cmd.GetCommandLineString(); |
148 base::LaunchProcess(uninstall_cmd, base::LaunchOptions(), NULL); | 148 base::LaunchProcess(uninstall_cmd, base::LaunchOptions(), NULL); |
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208 bool IsAppLauncherPresent() { | 208 bool IsAppLauncherPresent() { |
209 return GetAppLauncherInstallationState() != NOT_INSTALLED; | 209 return GetAppLauncherInstallationState() != NOT_INSTALLED; |
210 } | 210 } |
211 | 211 |
212 bool IsChromeBrowserPresent() { | 212 bool IsChromeBrowserPresent() { |
213 return IsProductInstalled(USER_LEVEL_INSTALLATION, kBrowserAppGuid) || | 213 return IsProductInstalled(USER_LEVEL_INSTALLATION, kBrowserAppGuid) || |
214 IsProductInstalled(SYSTEM_LEVEL_INSTALLATION, kBrowserAppGuid); | 214 IsProductInstalled(SYSTEM_LEVEL_INSTALLATION, kBrowserAppGuid); |
215 } | 215 } |
216 | 216 |
217 } // namespace chrome_launcher_support | 217 } // namespace chrome_launcher_support |
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