Upstream oodles of Chrome for Android code into Chromium.

chrome/browser/android/policy/policy_manager.cc

+// Copyright 2015 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/android/policy/policy_manager.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
+#include "base/android/jni_string.h"
+#include "base/bind.h"
+#include "base/json/json_reader.h"
+#include "base/prefs/pref_service.h"
+#include "base/strings/string_number_conversions.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/pref_names.h"
+#include "components/policy/core/browser/browser_policy_connector.h"
+#include "components/policy/core/common/policy_provider_android.h"
+#include "jni/PolicyManager_jni.h"
+
+using base::android::AttachCurrentThread;
+using base::android::ConvertJavaStringToUTF8;
+
+PolicyManager::PolicyManager(JNIEnv* env, jobject obj)
+    : weak_java_policy_manager_(env, obj),
+      policy_bundle_(new policy::PolicyBundle) {
+  policy_provider_ = static_cast<policy::PolicyProviderAndroid*>(
+      g_browser_process->browser_policy_connector()->GetPlatformProvider());
+  policy_provider_->SetDelegate(this);
+}
+
+PolicyManager::~PolicyManager() {}
+
+void PolicyManager::RefreshPolicies() {
+  JNIEnv* env = AttachCurrentThread();
+  Java_PolicyManager_refreshPolicies(
+      env, weak_java_policy_manager_.get(env).obj());
+}
+
+void PolicyManager::PolicyProviderShutdown() {
+  policy_provider_ = NULL;
+}
+
+void PolicyManager::SetPolicyBoolean(JNIEnv* env,
+                                     jobject obj,
+                                     jstring policyKey,
+                                     jboolean value) {
+  SetPolicyValue(ConvertJavaStringToUTF8(env, policyKey),
+                 new base::FundamentalValue(static_cast<bool>(value)));
+}
+
+void PolicyManager::SetPolicyInteger(JNIEnv* env,
+                                     jobject obj,
+                                     jstring policyKey,
+                                     jint value) {
+  SetPolicyValue(ConvertJavaStringToUTF8(env, policyKey),
+                 new base::FundamentalValue(static_cast<int>(value)));
+}
+
+void PolicyManager::SetPolicyString(JNIEnv* env,
+                                    jobject obj,
+                                    jstring policyKey,
+                                    jstring value) {
+  SetPolicyValue(ConvertJavaStringToUTF8(env, policyKey),
+                 new base::StringValue(ConvertJavaStringToUTF8(env, value)));
+}
+
+void PolicyManager::SetPolicyStringArray(JNIEnv* env,
+                                         jobject obj,
+                                         jstring policyKey,
+                                         jobjectArray array) {
+  std::vector<base::string16> string_vector;
+  base::android::AppendJavaStringArrayToStringVector(env, array,
+                                                     &string_vector);
+  base::ListValue* list_values = new base::ListValue();
+  list_values->AppendStrings(string_vector);
+  SetPolicyValue(ConvertJavaStringToUTF8(env, policyKey), list_values);
+}
+
+void PolicyManager::FlushPolicies(JNIEnv* env, jobject obj) {
+  if (!policy_provider_)
+    return;
+
+  policy_provider_->SetPolicies(policy_bundle_.Pass());
+  policy_bundle_.reset(new policy::PolicyBundle);
+}
+
+void PolicyManager::Destroy(JNIEnv* env, jobject obj) {
+  if (policy_provider_)
+    policy_provider_->SetDelegate(NULL);
+
+  delete this;
+}
+
+// static
+base::Value* PolicyManager::ConvertValueToSchema(base::Value* raw_value,
+                                                 const policy::Schema& schema) {
+  scoped_ptr<base::Value> value(raw_value);
+
+  if (!schema.valid())
+    return value.release();
+
+  switch (schema.type()) {
+    case base::Value::TYPE_NULL:
+      return base::Value::CreateNullValue().release();
+
+    case base::Value::TYPE_BOOLEAN: {
+      std::string string_value;
+      if (value->GetAsString(&string_value)) {
+        if (string_value.compare("true") == 0)
+          return new base::FundamentalValue(true);
+
+        if (string_value.compare("false") == 0)
+          return new base::FundamentalValue(false);
+
+        return value.release();
+      }
+      int int_value = 0;
+      if (value->GetAsInteger(&int_value))
+        return new base::FundamentalValue(int_value != 0);
+
+      return value.release();
+    }
+
+    case base::Value::TYPE_INTEGER: {
+      std::string string_value;
+      if (value->GetAsString(&string_value)) {
+        int int_value = 0;
+        if (base::StringToInt(string_value, &int_value))
+          return new base::FundamentalValue(int_value);
+      }
+      return value.release();
+    }
+
+    case base::Value::TYPE_DOUBLE: {
+      std::string string_value;
+      if (value->GetAsString(&string_value)) {
+        double double_value = 0;
+        if (base::StringToDouble(string_value, &double_value))
+          return new base::FundamentalValue(double_value);
+      }
+      return value.release();
+    }
+
+    // String can't be converted from other types.
+    case base::Value::TYPE_STRING: {
+      return value.release();
+    }
+
+    // Binary is not a valid schema type.
+    case base::Value::TYPE_BINARY: {
+      NOTREACHED();
+      return NULL;
+    }
+
+    // Complex types have to be deserialized from JSON.
+    case base::Value::TYPE_DICTIONARY:
+    case base::Value::TYPE_LIST: {
+      std::string string_value;
+      if (value->GetAsString(&string_value)) {
+        base::Value* decoded_value = base::JSONReader::Read(string_value);
+        if (decoded_value)
+          return decoded_value;
+      }
+      return value.release();
+    }
+  }
+
+  NOTREACHED();
+  return NULL;
+}
+
+void PolicyManager::SetPolicyValue(const std::string& key, base::Value* value) {
+  if (!policy_provider_)
+    return;
+
+  policy::Schema schema =
+      policy_provider_->GetChromeSchema()->GetKnownProperty(key);
+
+  policy::PolicyNamespace ns(policy::POLICY_DOMAIN_CHROME, std::string());
+  policy_bundle_->Get(ns).Set(key,
+                              policy::POLICY_LEVEL_MANDATORY,
+                              policy::POLICY_SCOPE_MACHINE,
+                              ConvertValueToSchema(value, schema),
+                              NULL);
+}
+
+static jlong Init(JNIEnv* env, jobject obj) {
+  return reinterpret_cast<intptr_t>(new PolicyManager(env, obj));
+}
+
+bool RegisterPolicyManager(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}