Replace hardcoded parameters

common/device_info_util.cc

@@ -0,0 +1,41 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2019 Google LLC.
+//
+// This software is licensed under the terms defined in the Widevine Master
+// License Agreement. For a copy of this agreement, please contact
+// widevine-licensing@google.com.
+////////////////////////////////////////////////////////////////////////////////
+
+// Implements the device info helper function.
+#include "common/device_info_util.h"
+
+#include "absl/strings/ascii.h"
+
+namespace widevine {
+bool IsMatchedMakeModel(const std::string& expected_make,
+                        const std::string& expected_model,
+                        const std::string& make_from_client,
+                        const std::string& model_from_client) {
+  return absl::AsciiStrToLower(expected_make) ==
+             absl::AsciiStrToLower(make_from_client) &&
+         absl::AsciiStrToLower(expected_model) ==
+             absl::AsciiStrToLower(model_from_client);
+}
+
+bool VerifyMakeModel(const ProvisionedDeviceInfo& device_info,
+                     const std::string& make_from_client,
+                     const std::string& model_from_client) {
+  if (IsMatchedMakeModel(device_info.manufacturer(), device_info.model(),
+                         make_from_client, model_from_client)) {
+    return true;
+  }
+  for (ProvisionedDeviceInfo::ModelInfo product_info :
+       device_info.model_info()) {
+    if (IsMatchedMakeModel(product_info.manufacturer(), product_info.model(),
+                           make_from_client, model_from_client)) {
+      return true;
+    }
+  }
+  return false;
+}
+}  // namespace widevine