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1 // Copyright 2011 Google Inc. | |
2 // | |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 // you may not use this file except in compliance with the License. | |
5 // You may obtain a copy of the License at | |
6 // | |
7 // http://www.apache.org/licenses/LICENSE-2.0 | |
8 // | |
9 // Unless required by applicable law or agreed to in writing, software | |
10 // distributed under the License is distributed on an "AS IS" BASIS, | |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 // See the License for the specific language governing permissions and | |
13 // limitations under the License. | |
14 // ======================================================================== | |
15 | |
16 #include "omaha/goopdate/oneclick_process_launcher.h" | |
17 | |
18 #include "base/scoped_ptr.h" | |
19 #include "omaha/base/scoped_ptr_address.h" | |
20 #include "omaha/goopdate/app_command.h" | |
21 | |
22 namespace omaha { | |
23 | |
24 OneClickProcessLauncher::OneClickProcessLauncher() {} | |
25 | |
26 OneClickProcessLauncher::~OneClickProcessLauncher() {} | |
27 | |
28 STDMETHODIMP OneClickProcessLauncher::LaunchAppCommand( | |
29 const WCHAR* app_guid, const WCHAR* cmd_id) { | |
30 ASSERT1(app_guid); | |
31 ASSERT1(cmd_id); | |
32 | |
33 if (!app_guid || !cmd_id) { | |
34 return E_INVALIDARG; | |
35 } | |
36 | |
37 CORE_LOG(L3, (_T("[OneClickProcessLauncher::LaunchAppCommand]") | |
38 _T("[app %s][cmd %s]"), app_guid, cmd_id)); | |
39 | |
40 // Allocate a session ID for the ping that this call will generate. | |
41 // TODO(omaha3): Are there any situations where this control can be | |
42 // instantiated outside of the context of an Update3Web/OneClick | |
43 // webpage? If not, we should consider adding a function to | |
44 // OneClickProcessLauncher() to modify the session ID it uses. | |
45 CString session_id; | |
46 GetGuid(&session_id); | |
47 | |
48 scoped_ptr<AppCommand> app_command; | |
49 HRESULT hr = AppCommand::Load(app_guid, | |
50 is_machine(), | |
51 cmd_id, | |
52 session_id, | |
53 address(app_command)); | |
54 if (FAILED(hr)) { | |
55 CORE_LOG(LE, (_T("[failed to load command configuration][0x%x]"), hr)); | |
56 return hr; | |
57 } | |
58 | |
59 if (!app_command->is_web_accessible()) { | |
60 return E_ACCESSDENIED; | |
61 } | |
62 | |
63 if (!is_machine()) { | |
64 // Execute directly at medium integrity for user-level mode | |
65 scoped_process process; | |
66 return app_command->Execute(address(process)); | |
67 } | |
68 | |
69 // Elevate to high integrity for machine-level mode | |
70 CComPtr<IProcessLauncher> process_launcher; | |
71 hr = process_launcher.CoCreateInstance(__uuidof(ProcessLauncherClass)); | |
72 if (FAILED(hr)) { | |
73 return hr; | |
74 } | |
75 | |
76 ULONG_PTR phandle = NULL; | |
77 DWORD process_id = ::GetCurrentProcessId(); | |
78 | |
79 hr = process_launcher->LaunchCmdElevated( | |
80 app_guid, cmd_id, process_id, &phandle); | |
81 | |
82 if (SUCCEEDED(hr)) { | |
83 ::CloseHandle(reinterpret_cast<HANDLE>(phandle)); | |
84 } | |
85 | |
86 return hr; | |
87 } | |
88 | |
89 } // namespace omaha | |
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