| // Copyright (c) 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 "chrome/installer/util/eula_util.h" |
| |
| #include "base/file_util.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/common/chrome_constants.h" |
| #include "chrome/installer/util/browser_distribution.h" |
| #include "chrome/installer/util/install_util.h" |
| #include "chrome/installer/util/installation_state.h" |
| #include "chrome/installer/util/master_preferences.h" |
| #include "chrome/installer/util/master_preferences_constants.h" |
| #include "chrome/installer/util/util_constants.h" |
| |
| namespace installer { |
| |
| namespace { |
| |
| bool IsChromeFirstRunPending(BrowserDistribution* dist) { |
| // Chrome creates the first run sentinel after the user has gone through the |
| // first-run flow. Assume Chrome has been run if the path to the sentinel |
| // cannot be determined. |
| base::FilePath first_run_sentinel; |
| return InstallUtil::GetSentinelFilePath(chrome::kFirstRunSentinel, |
| dist, |
| &first_run_sentinel) |
| && !base::PathExists(first_run_sentinel); |
| } |
| |
| bool IsEULAAcceptanceFlagged(BrowserDistribution* dist) { |
| // Chrome creates the EULA sentinel after the EULA has been accepted when |
| // doing so is required by master_preferences. Assume the EULA has not been |
| // accepted if the path to the sentinel cannot be determined. |
| base::FilePath eula_sentinel; |
| return InstallUtil::GetSentinelFilePath(kEULASentinelFile, |
| dist, |
| &eula_sentinel) |
| && base::PathExists(eula_sentinel); |
| } |
| |
| scoped_ptr<MasterPreferences> GetMasterPrefs(const ProductState& prod_state) { |
| // The standard location of the master prefs is next to the chrome binary. |
| base::FilePath master_prefs_path( |
| prod_state.GetSetupPath().DirName().DirName().DirName()); |
| scoped_ptr<MasterPreferences> install_prefs(new MasterPreferences( |
| master_prefs_path.AppendASCII(kDefaultMasterPrefs))); |
| if (install_prefs && install_prefs->read_from_file()) |
| return install_prefs.Pass(); |
| |
| return scoped_ptr<MasterPreferences>(); |
| } |
| |
| // Attempts to initialize |state| with any Chrome-related product. |
| // Returns true if any of these product are installed, otherwise false. |
| bool GetAnyChromeProductState(bool system_level, ProductState* state) { |
| return state->Initialize(system_level, BrowserDistribution::CHROME_BROWSER) |
| || state->Initialize(system_level, BrowserDistribution::CHROME_FRAME) |
| || state->Initialize(system_level, BrowserDistribution::CHROME_APP_HOST); |
| } |
| |
| } // namespace |
| |
| EULAAcceptanceResponse IsEULAAccepted(bool system_level) { |
| ProductState prod_state; |
| |
| if (!system_level) { // User-level case has seprate flow. |
| // Do not simply check Chrome binaries. Instead, check whether or not |
| // any Chrome-related products is installed, because the presence of any of |
| // these products at user-level implies that the EULA has been accepted. |
| return GetAnyChromeProductState(false, &prod_state) |
| ? QUERY_EULA_ACCEPTED : QUERY_EULA_NOT_ACCEPTED; |
| } |
| |
| // System-level. Try to use Chrome binaries product state. |
| if (!prod_state.Initialize(true, BrowserDistribution::CHROME_BINARIES)) { |
| // Fall back to Chrome Browser product state only. |
| if (!prod_state.Initialize(true, BrowserDistribution::CHROME_BROWSER)) |
| return QUERY_EULA_FAIL; |
| |
| LOG_IF(DFATAL, prod_state.is_multi_install()) |
| << "Binaries are not installed, but Chrome is multi-install."; |
| } |
| BrowserDistribution* dist = BrowserDistribution::GetSpecificDistribution( |
| BrowserDistribution::CHROME_BROWSER); |
| |
| // Is Google Update waiting for Chrome's EULA to be accepted? |
| DWORD eula_accepted = 0; |
| if (prod_state.GetEulaAccepted(&eula_accepted) && !eula_accepted) |
| return QUERY_EULA_NOT_ACCEPTED; |
| |
| if (!IsChromeFirstRunPending(dist) || IsEULAAcceptanceFlagged(dist)) |
| return QUERY_EULA_ACCEPTED; |
| |
| // EULA acceptance not flagged. Now see if it is required. |
| scoped_ptr<MasterPreferences> install_prefs(GetMasterPrefs(prod_state)); |
| // If we fail to get master preferences, assume that EULA is not required. |
| if (!install_prefs) |
| return QUERY_EULA_ACCEPTED; |
| |
| bool eula_required = false; |
| // If kRequireEula value is absent, assume EULA is not required. |
| if (!install_prefs->GetBool(master_preferences::kRequireEula, &eula_required)) |
| return QUERY_EULA_ACCEPTED; |
| |
| return eula_required ? QUERY_EULA_NOT_ACCEPTED : QUERY_EULA_ACCEPTED; |
| } |
| |
| } // namespace installer |