Widvine remote provisioning HAL implementation

This HAL implementation should be included in the factory image only.

BUG: 213415013
Test: manual
Change-Id: Icc0cc7f767a647238ce319623e0408ec22531f58

libwvdrmengine/factory_upload_tool/src/properties_android.cpp

@@ -0,0 +1,93 @@
+// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
+
+#include <android-base/properties.h>
+#include <unistd.h>
+
+#include <sstream>
+#include <string>
+
+#include "log.h"
+#include "properties.h"
+
+namespace {
+
+bool GetAndroidProperty(const char* key, std::string* value) {
+  if (!key) {
+    LOGW("GetAndroidProperty: Invalid property key parameter");
+    return false;
+  }
+
+  if (!value) {
+    LOGW("GetAndroidProperty: Invalid property value parameter");
+    return false;
+  }
+
+  *value = android::base::GetProperty(key, "");
+
+  return value->size() > 0;
+}
+
+}  // namespace
+
+namespace wvcdm {
+
+bool Properties::GetCompanyName(std::string* company_name) {
+  if (!company_name) {
+    LOGW("Properties::GetCompanyName: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.product.manufacturer", company_name);
+}
+
+bool Properties::GetModelName(std::string* model_name) {
+  if (!model_name) {
+    LOGW("Properties::GetModelName: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.product.model", model_name);
+}
+
+bool Properties::GetArchitectureName(std::string* arch_name) {
+  if (!arch_name) {
+    LOGW("Properties::GetArchitectureName: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.product.cpu.abi", arch_name);
+}
+
+bool Properties::GetDeviceName(std::string* device_name) {
+  if (!device_name) {
+    LOGW("Properties::GetDeviceName: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.product.device", device_name);
+}
+
+bool Properties::GetProductName(std::string* product_name) {
+  if (!product_name) {
+    LOGW("Properties::GetProductName: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.product.name", product_name);
+}
+
+bool Properties::GetBuildInfo(std::string* build_info) {
+  if (!build_info) {
+    LOGW("Properties::GetBuildInfo: Invalid parameter");
+    return false;
+  }
+  return GetAndroidProperty("ro.build.fingerprint", build_info);
+}
+
+bool Properties::GetOEMCryptoPath(std::string* library_name) {
+  if (!library_name) {
+    LOGW("Properties::GetOEMCryptoPath: Invalid parameter");
+    return false;
+  }
+  *library_name = "liboemcrypto.so";
+  return true;
+}
+
+}  // namespace wvcdm