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1 // Copyright (c) 2011 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 #include "chrome/app/chrome_main.h" | |
6 | |
7 #include "base/command_line.h" | |
8 #include "base/file_path.h" | |
9 #include "base/logging.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "base/utf_string_conversions.h" | |
12 #include "base/win/registry.h" | |
13 #include "chrome/browser/policy/policy_path_parser.h" | |
14 #include "chrome/common/chrome_switches.h" | |
15 #include "policy/policy_constants.h" | |
16 | |
17 namespace { | |
18 | |
19 // Checks if the registry key exists in the given hive and expands any | |
20 // variables in the string. | |
21 bool LoadUserDataDirPolicyFromRegistry(HKEY hive, | |
22 const std::wstring& key_name, | |
23 FilePath* user_data_dir) { | |
24 std::wstring value; | |
25 | |
26 base::win::RegKey hklm_policy_key(hive, policy::kRegistrySubKey, KEY_READ); | |
27 if (hklm_policy_key.ReadValue(key_name.c_str(), &value) == ERROR_SUCCESS) { | |
28 *user_data_dir = FilePath(policy::path_parser::ExpandPathVariables(value)); | |
29 return true; | |
30 } | |
31 return false; | |
32 } | |
33 | |
34 } // namespace | |
35 | |
36 namespace chrome_main { | |
37 | |
38 void CheckUserDataDirPolicy(FilePath* user_data_dir) { | |
39 DCHECK(user_data_dir); | |
40 // We are running as Chrome Frame if we were invoked with user-data-dir, | |
41 // chrome-frame, and automation-channel switches. | |
42 CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
43 const bool is_chrome_frame = | |
44 !user_data_dir->empty() && | |
45 command_line->HasSwitch(switches::kChromeFrame) && | |
46 command_line->HasSwitch(switches::kAutomationClientChannelID); | |
47 | |
48 // In the case of Chrome Frame, the last path component of the user-data-dir | |
49 // provided on the command line must be preserved since it is specific to | |
50 // CF's host. | |
51 FilePath cf_host_dir; | |
52 if (is_chrome_frame) | |
53 cf_host_dir = user_data_dir->BaseName(); | |
54 | |
55 // Policy from the HKLM hive has precedence over HKCU so if we have one here | |
56 // we don't have to try to load HKCU. | |
57 const char* key_name_ascii = (is_chrome_frame ? policy::key::kGCFUserDataDir : | |
58 policy::key::kUserDataDir); | |
59 std::wstring key_name(ASCIIToWide(key_name_ascii)); | |
60 if (LoadUserDataDirPolicyFromRegistry(HKEY_LOCAL_MACHINE, key_name, | |
61 user_data_dir) || | |
62 LoadUserDataDirPolicyFromRegistry(HKEY_CURRENT_USER, key_name, | |
63 user_data_dir)) { | |
64 // A Group Policy value was loaded. Append the Chrome Frame host directory | |
65 // if relevant. | |
66 if (is_chrome_frame) | |
67 *user_data_dir = user_data_dir->Append(cf_host_dir); | |
68 } | |
69 } | |
70 | |
71 } // namespace chrome_main | |
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