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// Copyright (c) 2010 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/browser/chromeos/customization_document.h"
#include "base/file_util.h"
#include "base/json/json_reader.h"
#include "base/logging.h"
#include "base/string_tokenizer.h"
#include "base/string_util.h"
// Manifest attributes names.
namespace {
const char kVersionAttr[] = "version";
const char kDefaultAttr[] = "default";
const char kInitialLocaleAttr[] = "initial_locale";
const char kInitialTimezoneAttr[] = "initial_timezone";
const char kKeyboardLayoutAttr[] = "keyboard_layout";
const char kRegistrationUrlAttr[] = "registration_url";
const char kHwidMapAttr[] = "hwid_map";
const char kHwidMaskAttr[] = "hwid_mask";
const char kSetupContentAttr[] = "setup_content";
const char kHelpPageAttr[] = "help_page";
const char kEulaPageAttr[] = "eula_page";
const char kAppContentAttr[] = "app_content";
const char kInitialStartPageAttr[] = "initial_start_page";
const char kSupportPageAttr[] = "support_page";
const char kAcceptedManifestVersion[] = "1.0";
const char kHWIDPath[] = "/sys/devices/platform/chromeos_acpi/HWID";
const char kVPDPath[] = "/var/log/vpd_2.0.txt";
} // anonymous namespace
namespace chromeos {
// CustomizationDocument implementation.
bool CustomizationDocument::LoadManifestFromFile(
const FilePath& manifest_path) {
std::string manifest;
if (!file_util::ReadFileToString(manifest_path, &manifest))
return false;
return LoadManifestFromString(manifest);
}
bool CustomizationDocument::LoadManifestFromString(
const std::string& manifest) {
scoped_ptr<Value> root(base::JSONReader::Read(manifest, true));
DCHECK(root.get() != NULL);
if (root.get() == NULL)
return false;
DCHECK(root->GetType() == Value::TYPE_DICTIONARY);
if (root->GetType() == Value::TYPE_DICTIONARY) {
root_.reset(static_cast<DictionaryValue*>(root.release()));
std::string result;
if (root_->GetString(kVersionAttr, &result) &&
result == kAcceptedManifestVersion)
return true;
LOG(ERROR) << "Wrong customization manifest version";
root_.reset(NULL);
}
return false;
}
std::string CustomizationDocument::GetLocaleSpecificString(
const std::string& locale,
const std::string& dictionary_name,
const std::string& entry_name) const {
DictionaryValue* dictionary_content = NULL;
if (!root_->GetDictionary(dictionary_name, &dictionary_content))
return std::string();
DictionaryValue* locale_dictionary = NULL;
if (dictionary_content->GetDictionary(locale, &locale_dictionary)) {
std::string result;
if (locale_dictionary->GetString(entry_name, &result))
return result;
}
DictionaryValue* default_dictionary = NULL;
if (dictionary_content->GetDictionary(kDefaultAttr, &default_dictionary)) {
std::string result;
if (default_dictionary->GetString(entry_name, &result))
return result;
}
return std::string();
}
// StartupCustomizationDocument implementation.
bool StartupCustomizationDocument::LoadManifestFromString(
const std::string& manifest) {
if (!CustomizationDocument::LoadManifestFromString(manifest)) {
return false;
}
root_->GetString(kInitialLocaleAttr, &initial_locale_);
root_->GetString(kInitialTimezoneAttr, &initial_timezone_);
root_->GetString(kKeyboardLayoutAttr, &keyboard_layout_);
root_->GetString(kRegistrationUrlAttr, ®istration_url_);
std::string hwid = GetHWID();
if (!hwid.empty()) {
ListValue* hwid_list = NULL;
if (root_->GetList(kHwidMapAttr, &hwid_list)) {
for (size_t i = 0; i < hwid_list->GetSize(); ++i) {
DictionaryValue* hwid_dictionary = NULL;
std::string hwid_mask;
if (hwid_list->GetDictionary(i, &hwid_dictionary) &&
hwid_dictionary->GetString(kHwidMaskAttr, &hwid_mask)) {
if (MatchPattern(hwid, hwid_mask)) {
// If HWID for this machine matches some mask, use HWID specific
// settings.
std::string result;
if (hwid_dictionary->GetString(kInitialLocaleAttr, &result))
initial_locale_ = result;
if (hwid_dictionary->GetString(kInitialTimezoneAttr, &result))
initial_timezone_ = result;
if (hwid_dictionary->GetString(kKeyboardLayoutAttr, &result))
keyboard_layout_ = result;
}
// Don't break here to allow other entires to be applied if match.
} else {
LOG(ERROR) << "Syntax error in customization manifest";
}
}
}
} else {
LOG(ERROR) << "Can't read HWID from " << kHWIDPath;
}
VPDMap vpd_map;
if (ParseVPD(GetVPD(), &vpd_map)) {
InitFromVPD(vpd_map, kInitialLocaleAttr, &initial_locale_);
InitFromVPD(vpd_map, kInitialTimezoneAttr, &initial_timezone_);
InitFromVPD(vpd_map, kKeyboardLayoutAttr, &keyboard_layout_);
}
return true;
}
std::string StartupCustomizationDocument::GetHWID() const {
// TODO(dpolukhin): move to SystemLibrary to be reusable.
std::string hwid;
FilePath hwid_file_path(kHWIDPath);
if (!file_util::ReadFileToString(hwid_file_path, &hwid))
LOG(ERROR) << "Can't read HWID from " << kHWIDPath;
return hwid;
}
std::string StartupCustomizationDocument::GetVPD() const {
// TODO(dpolukhin): move to SystemLibrary to be reusable.
std::string vpd;
FilePath vpd_file_path(kVPDPath);
if (!file_util::ReadFileToString(vpd_file_path, &vpd))
LOG(ERROR) << "Can't read VPD from " << kVPDPath;
return vpd;
}
bool StartupCustomizationDocument::ParseVPD(const std::string& vpd_string,
VPDMap* vpd_map) {
// TODO(dpolukhin): move to SystemLibrary to be reusable.
const char kDelimiterChars[] = "= \n";
const char kQuotaChars[] = "\"\'";
StringTokenizer tok(vpd_string, kDelimiterChars);
tok.set_quote_chars(kQuotaChars);
tok.set_options(StringTokenizer::RETURN_DELIMS);
bool next_is_equal = false;
bool next_is_value = false;
std::string name;
std::string value;
while (tok.GetNext()) {
// Skip all delimiters that are not '='.
if (tok.token_is_delim() && tok.token() != "=")
continue;
if (next_is_equal) {
if (tok.token() != "=")
break;
next_is_equal = false;
next_is_value = true;
} else if (next_is_value) {
TrimString(tok.token(), kQuotaChars, &value);
next_is_value = false;
if (!vpd_map->insert(VPDMap::value_type(name, value)).second) {
LOG(ERROR) << "Identical keys in VPD " << name;
return false;
}
} else {
TrimString(tok.token(), kQuotaChars, &name);
next_is_equal = true;
}
}
if (next_is_equal || next_is_value) {
LOG(ERROR) << "Syntax error in VPD " << vpd_string;
return false;
}
return true;
}
void StartupCustomizationDocument::InitFromVPD(
const VPDMap& vpd_map, const char* attr, std::string* value) {
VPDMap::const_iterator it = vpd_map.find(attr);
if (it != vpd_map.end())
*value = it->second;
}
std::string StartupCustomizationDocument::GetHelpPage(
const std::string& locale) const {
return GetLocaleSpecificString(locale, kSetupContentAttr, kHelpPageAttr);
}
std::string StartupCustomizationDocument::GetEULAPage(
const std::string& locale) const {
return GetLocaleSpecificString(locale, kSetupContentAttr, kEulaPageAttr);
}
// ServicesCustomizationDocument implementation.
std::string ServicesCustomizationDocument::GetInitialStartPage(
const std::string& locale) const {
return GetLocaleSpecificString(
locale, kAppContentAttr, kInitialStartPageAttr);
}
std::string ServicesCustomizationDocument::GetSupportPage(
const std::string& locale) const {
return GetLocaleSpecificString(
locale, kAppContentAttr, kSupportPageAttr);
}
} // namespace chromeos
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