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// Copyright 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/browser/chromeos/policy/user_network_configuration_updater.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/values.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/chromeos/net/onc_utils.h"
#include "chrome/browser/net/nss_context.h"
#include "chrome/browser/profiles/profile.h"
#include "chromeos/network/managed_network_configuration_handler.h"
#include "chromeos/network/onc/onc_certificate_importer_impl.h"
#include "components/user_manager/user.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/notification_source.h"
#include "net/cert/x509_certificate.h"
#include "policy/policy_constants.h"
namespace policy {
UserNetworkConfigurationUpdater::~UserNetworkConfigurationUpdater() {}
// static
scoped_ptr<UserNetworkConfigurationUpdater>
UserNetworkConfigurationUpdater::CreateForUserPolicy(
Profile* profile,
bool allow_trusted_certs_from_policy,
const user_manager::User& user,
PolicyService* policy_service,
chromeos::ManagedNetworkConfigurationHandler* network_config_handler) {
scoped_ptr<UserNetworkConfigurationUpdater> updater(
new UserNetworkConfigurationUpdater(profile,
allow_trusted_certs_from_policy,
user,
policy_service,
network_config_handler));
updater->Init();
return updater.Pass();
}
void UserNetworkConfigurationUpdater::AddTrustedCertsObserver(
WebTrustedCertsObserver* observer) {
observer_list_.AddObserver(observer);
}
void UserNetworkConfigurationUpdater::RemoveTrustedCertsObserver(
WebTrustedCertsObserver* observer) {
observer_list_.RemoveObserver(observer);
}
UserNetworkConfigurationUpdater::UserNetworkConfigurationUpdater(
Profile* profile,
bool allow_trusted_certs_from_policy,
const user_manager::User& user,
PolicyService* policy_service,
chromeos::ManagedNetworkConfigurationHandler* network_config_handler)
: NetworkConfigurationUpdater(onc::ONC_SOURCE_USER_POLICY,
key::kOpenNetworkConfiguration,
policy_service,
network_config_handler),
allow_trusted_certificates_from_policy_(allow_trusted_certs_from_policy),
user_(&user),
weak_factory_(this) {
// The updater is created with |certificate_importer_| unset and is
// responsible for creating it. This requires |GetNSSCertDatabaseForProfile|
// call, which is not safe before the profile initialization is finalized.
// Thus, listen for PROFILE_ADDED notification, on which |cert_importer_|
// creation should start.
registrar_.Add(this,
chrome::NOTIFICATION_PROFILE_ADDED,
content::Source<Profile>(profile));
}
void UserNetworkConfigurationUpdater::SetCertificateImporterForTest(
scoped_ptr<chromeos::onc::CertificateImporter> certificate_importer) {
SetCertificateImporter(certificate_importer.Pass());
}
void UserNetworkConfigurationUpdater::GetWebTrustedCertificates(
net::CertificateList* certs) const {
*certs = web_trust_certs_;
}
void UserNetworkConfigurationUpdater::OnCertificatesImported(
bool /* unused success */,
const net::CertificateList& onc_trusted_certificates) {
web_trust_certs_.clear();
if (allow_trusted_certificates_from_policy_)
web_trust_certs_ = onc_trusted_certificates;
NotifyTrustAnchorsChanged();
}
void UserNetworkConfigurationUpdater::ImportCertificates(
const base::ListValue& certificates_onc) {
// If certificate importer is not yet set, cache the certificate onc. It will
// be imported when the certificate importer gets set.
if (!certificate_importer_) {
pending_certificates_onc_.reset(certificates_onc.DeepCopy());
return;
}
certificate_importer_->ImportCertificates(
certificates_onc,
onc_source_,
base::Bind(&UserNetworkConfigurationUpdater::OnCertificatesImported,
base::Unretained(this)));
}
void UserNetworkConfigurationUpdater::ApplyNetworkPolicy(
base::ListValue* network_configs_onc,
base::DictionaryValue* global_network_config) {
DCHECK(user_);
chromeos::onc::ExpandStringPlaceholdersInNetworksForUser(user_,
network_configs_onc);
network_config_handler_->SetPolicy(onc_source_,
user_->username_hash(),
*network_configs_onc,
*global_network_config);
}
void UserNetworkConfigurationUpdater::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_EQ(type, chrome::NOTIFICATION_PROFILE_ADDED);
Profile* profile = content::Source<Profile>(source).ptr();
GetNSSCertDatabaseForProfile(
profile,
base::Bind(
&UserNetworkConfigurationUpdater::CreateAndSetCertificateImporter,
weak_factory_.GetWeakPtr()));
}
void UserNetworkConfigurationUpdater::CreateAndSetCertificateImporter(
net::NSSCertDatabase* database) {
DCHECK(database);
SetCertificateImporter(scoped_ptr<chromeos::onc::CertificateImporter>(
new chromeos::onc::CertificateImporterImpl(
content::BrowserThread::GetMessageLoopProxyForThread(
content::BrowserThread::IO),
database)));
}
void UserNetworkConfigurationUpdater::SetCertificateImporter(
scoped_ptr<chromeos::onc::CertificateImporter> certificate_importer) {
certificate_importer_ = certificate_importer.Pass();
if (pending_certificates_onc_)
ImportCertificates(*pending_certificates_onc_);
pending_certificates_onc_.reset();
}
void UserNetworkConfigurationUpdater::NotifyTrustAnchorsChanged() {
FOR_EACH_OBSERVER(WebTrustedCertsObserver,
observer_list_,
OnTrustAnchorsChanged(web_trust_certs_));
}
} // namespace policy
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