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// Copyright 2014 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 "google_apis/gcm/engine/gservices_settings.h"
#include "base/bind.h"
#include "base/strings/string_number_conversions.h"
namespace {
// The expected time in seconds between periodic checkins.
const char kCheckinIntervalKey[] = "checkin_interval";
// The override URL to the checkin server.
const char kCheckinURLKey[] = "checkin_url";
// The MCS machine name to connect to.
const char kMCSHostnameKey[] = "gcm_hostname";
// The MCS port to connect to.
const char kMCSSecurePortKey[] = "gcm_secure_port";
// The URL to get MCS registration IDs.
const char kRegistrationURLKey[] = "gcm_registration_url";
const int64 kDefaultCheckinInterval = 2 * 24 * 60 * 60; // seconds = 2 days.
const char kDefaultCheckinURL[] = "https://android.clients.google.com/checkin";
const char kDefaultMCSHostname[] = "https://mtalk.google.com";
const int kDefaultMCSSecurePort = 5228;
const char kDefaultRegistrationURL[] =
"https://android.clients.google.com/c2dm/register3";
} // namespace
namespace gcm {
const int64 GServicesSettings::kMinimumCheckinInterval = 12 * 60 * 60;
GServicesSettings::GServicesSettings(GCMStore* gcm_store)
: gcm_store_(gcm_store),
checkin_interval_(kDefaultCheckinInterval),
checkin_url_(kDefaultCheckinURL),
mcs_hostname_(kDefaultMCSHostname),
mcs_secure_port_(kDefaultMCSSecurePort),
registration_url_(kDefaultRegistrationURL),
weak_ptr_factory_(this) {
}
GServicesSettings::~GServicesSettings() {}
void GServicesSettings::UpdateFromCheckinResponse(
const checkin_proto::AndroidCheckinResponse& checkin_response) {
if (!checkin_response.has_digest() ||
checkin_response.digest() == digest_) {
// There are no changes as digest is the same or no settings provided.
return;
}
std::map<std::string, std::string> settings;
for (int i = 0; i < checkin_response.setting_size(); ++i) {
std::string name = checkin_response.setting(i).name();
std::string value = checkin_response.setting(i).value();
settings[name] = value;
}
// Only update the settings in store and digest, if the settings actually
// passed the verificaiton in update settings.
if (UpdateSettings(settings)) {
digest_ = checkin_response.digest();
gcm_store_->SetGServicesSettings(
settings,
digest_,
base::Bind(&GServicesSettings::SetGServicesSettingsCallback,
weak_ptr_factory_.GetWeakPtr()));
}
}
void GServicesSettings::UpdateFromLoadResult(
const GCMStore::LoadResult& load_result) {
if (UpdateSettings(load_result.gservices_settings))
digest_ = load_result.gservices_digest;
}
bool GServicesSettings::UpdateSettings(
const std::map<std::string, std::string>& settings) {
int64 new_checkin_interval = kMinimumCheckinInterval;
std::map<std::string, std::string>::const_iterator iter =
settings.find(kCheckinIntervalKey);
if (iter == settings.end()) {
LOG(ERROR) << "Setting not found: " << kCheckinIntervalKey;
return false;
}
if (!base::StringToInt64(iter->second, &new_checkin_interval)) {
LOG(ERROR) << "Failed to parse checkin interval: " << iter->second;
return false;
}
if (new_checkin_interval < kMinimumCheckinInterval) {
LOG(ERROR) << "Checkin interval: " << new_checkin_interval
<< " is less than allowed minimum: " << kMinimumCheckinInterval;
new_checkin_interval = kMinimumCheckinInterval;
}
std::string new_mcs_hostname;
iter = settings.find(kMCSHostnameKey);
if (iter == settings.end()) {
LOG(ERROR) << "Setting not found: " << kMCSHostnameKey;
return false;
}
new_mcs_hostname = iter->second;
if (new_mcs_hostname.empty()) {
LOG(ERROR) << "Empty MCS hostname provided.";
return false;
}
int new_mcs_secure_port = -1;
iter = settings.find(kMCSSecurePortKey);
if (iter == settings.end()) {
LOG(ERROR) << "Setting not found: " << kMCSSecurePortKey;
return false;
}
if (!base::StringToInt(iter->second, &new_mcs_secure_port)) {
LOG(ERROR) << "Failed to parse MCS secure port: " << iter->second;
return false;
}
if (new_mcs_secure_port < 0 || 65535 < new_mcs_secure_port) {
LOG(ERROR) << "Incorrect port value: " << new_mcs_secure_port;
return false;
}
std::string new_checkin_url;
iter = settings.find(kCheckinURLKey);
if (iter == settings.end()) {
LOG(ERROR) << "Setting not found: " << kCheckinURLKey;
return false;
}
new_checkin_url = iter->second;
if (new_checkin_url.empty()) {
LOG(ERROR) << "Empty checkin URL provided.";
return false;
}
std::string new_registration_url;
iter = settings.find(kRegistrationURLKey);
if (iter == settings.end()) {
LOG(ERROR) << "Setting not found: " << kRegistrationURLKey;
return false;
}
new_registration_url = iter->second;
if (new_registration_url.empty()) {
LOG(ERROR) << "Empty registration URL provided.";
return false;
}
// We only update the settings once all of them are correct.
checkin_interval_ = new_checkin_interval;
mcs_hostname_ = new_mcs_hostname;
mcs_secure_port_ = new_mcs_secure_port;
checkin_url_ = new_checkin_url;
registration_url_ = new_registration_url;
return true;
}
void GServicesSettings::SetGServicesSettingsCallback(bool success) {
DCHECK(success);
}
} // namespace gcm
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