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// Copyright (c) 2012 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 "remoting/host/policy_hack/policy_watcher.h"
#include <CoreFoundation/CoreFoundation.h>
#include "base/compiler_specific.h"
#include "base/mac/foundation_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/scoped_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/sys_string_conversions.h"
#include "base/values.h"
namespace remoting {
namespace policy_hack {
// The MacOS version does not watch files because it is accepted
// practice on the Mac that the user must logout/login for policies to be
// applied. This will actually pick up policies every
// |kFallbackReloadDelayMinutes| which is sufficient for right now.
class PolicyWatcherMac : public PolicyWatcher {
public:
explicit PolicyWatcherMac(
scoped_refptr<base::SingleThreadTaskRunner> task_runner)
: PolicyWatcher(task_runner) {
}
virtual ~PolicyWatcherMac() {
}
protected:
virtual void StartWatchingInternal() OVERRIDE {
Reload();
}
virtual void StopWatchingInternal() OVERRIDE {
}
virtual void Reload() OVERRIDE {
DCHECK(OnPolicyWatcherThread());
base::DictionaryValue policy;
CFStringRef policy_bundle_id = CFSTR("com.google.Chrome");
if (CFPreferencesAppSynchronize(policy_bundle_id)) {
for (base::DictionaryValue::Iterator i(Defaults());
i.HasNext(); i.Advance()) {
const std::string& policy_name = i.key();
base::mac::ScopedCFTypeRef<CFStringRef> policy_key(
base::SysUTF8ToCFStringRef(policy_name));
if (i.value().GetType() == base::DictionaryValue::TYPE_BOOLEAN) {
Boolean valid = false;
bool value = CFPreferencesGetAppBooleanValue(policy_key,
policy_bundle_id,
&valid);
if (valid) {
policy.SetBoolean(policy_name, value);
}
}
if (i.value().GetType() == base::DictionaryValue::TYPE_STRING) {
base::mac::ScopedCFTypeRef<CFPropertyListRef> property_list(
CFPreferencesCopyAppValue(policy_key, policy_bundle_id));
if (property_list.get() != NULL) {
CFStringRef policy_value = base::mac::CFCast<CFStringRef>(
property_list.get());
if (policy_value != NULL) {
policy.SetString(policy_name,
base::SysCFStringRefToUTF8(policy_value));
}
}
}
}
}
// Set policy. Policy must be set (even if it is empty) so that the
// default policy is picked up the first time reload is called.
UpdatePolicies(&policy);
// Reschedule task.
ScheduleFallbackReloadTask();
}
};
PolicyWatcher* PolicyWatcher::Create(
scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
return new PolicyWatcherMac(task_runner);
}
} // namespace policy_hack
} // namespace remoting
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