Send policy blobs to session_manager

chrome/browser/policy/device_policy_cache.cc

Index: chrome/browser/policy/device_policy_cache.cc
diff --git a/chrome/browser/policy/device_policy_cache.cc b/chrome/browser/policy/device_policy_cache.cc
new file mode 100644
index 0000000000000000000000000000000000000000..39381dca8152dd170a0a6b33d34348fbfe198650
--- /dev/null
+++ b/chrome/browser/policy/device_policy_cache.cc
@@ -0,0 +1,97 @@
+// Copyright (c) 2011 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/policy/device_policy_cache.h"
+
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "base/task.h"
+#include "base/values.h"
+#include "chrome/browser/policy/configuration_policy_pref_store.h"
+#include "chrome/browser/policy/policy_map.h"
+#include "chrome/browser/policy/proto/cloud_policy.pb.h"
+#include "chrome/browser/policy/proto/device_management_constants.h"
+#include "chrome/browser/policy/proto/device_management_local.pb.h"
+#include "content/browser/browser_thread.h"
+#include "policy/configuration_policy_type.h"
+
+using google::protobuf::RepeatedPtrField;
+
+namespace policy {
+
+DevicePolicyCache::DevicePolicyCache()
+    : signed_settings_helper_(chromeos::SignedSettingsHelper::Get()) {
+}
+
+DevicePolicyCache::DevicePolicyCache(
+    chromeos::SignedSettingsHelper* signed_settings_helper)
+    : signed_settings_helper_(signed_settings_helper) {
+}
+
+DevicePolicyCache::~DevicePolicyCache() {
+  signed_settings_helper_->CancelCallback(this);
+}
+
+void DevicePolicyCache::Load() {
+  // TODO(jkummerow): check if we're unmanaged; if so, set is_unmanaged_ = true
+  // and return immediately.
+
+  signed_settings_helper_->StartRetrievePolicyOp(this);
+}
+
+void DevicePolicyCache::SetPolicy(const em::PolicyFetchResponse& policy) {
+  set_last_policy_refresh_time(base::Time::NowFromSystemTime());
+  signed_settings_helper_->StartStorePolicyOp(policy, this);
+}
+
+void DevicePolicyCache::SetUnmanaged() {
+  LOG(WARNING) << "Tried to set DevicePolicyCache to 'unmanaged'!";
+  // This is not supported for DevicePolicyCache.
+}
+
+void DevicePolicyCache::OnRetrievePolicyCompleted(
+    chromeos::SignedSettings::ReturnCode code,
+    const em::PolicyFetchResponse& policy) {
+  DCHECK(CalledOnValidThread());
+  if (code != chromeos::SignedSettings::SUCCESS) {
+    // TODO(jkummerow): We can't really do anything about this error, but
+    // we may want to notify the user that something is wrong.
+    return;
+  }
+  SetPolicyInternal(policy, NULL, false);
+}
+
+void DevicePolicyCache::OnStorePolicyCompleted(
+    chromeos::SignedSettings::ReturnCode code) {
+  DCHECK(CalledOnValidThread());
+  if (code != chromeos::SignedSettings::SUCCESS) {
+    // TODO(jkummerow): We can't really do anything about this error, but
+    // we may want to notify the user that something is wrong.
+    return;
+  }
+  Load();
+}
+
+bool DevicePolicyCache::DecodePolicyData(const em::PolicyData& policy_data,
+                                         PolicyMap* mandatory,
+                                         PolicyMap* recommended) {
+  em::ChromeDeviceSettingsProto policy;
+  if (!policy.ParseFromString(policy_data.policy_value())) {
+    LOG(WARNING) << "Failed to parse ChromeDeviceSettingsProto.";
+    return false;
+  }
+  DecodeDevicePolicy(policy, mandatory, recommended);
+  return true;
+}
+
+// static
+void DevicePolicyCache::DecodeDevicePolicy(
+    const em::ChromeDeviceSettingsProto& policy,
+    PolicyMap* mandatory,
+    PolicyMap* recommended) {
+  // TODO(jkummerow): Implement this when there are consumers for
+  // device-policy-set values in g_browser_process->local_state().
+}
+
+}  // namespace policy