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// Copyright 2019 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 "cast/sender/channel/message_util.h"
#include "cast/sender/channel/cast_auth_util.h"
#include "util/json/json_serialization.h"
namespace openscreen {
namespace cast {
using ::cast::channel::AuthChallenge;
using ::cast::channel::CastMessage;
using ::cast::channel::DeviceAuthMessage;
CastMessage CreateAuthChallengeMessage(const AuthContext& auth_context) {
CastMessage message;
DeviceAuthMessage auth_message;
AuthChallenge* challenge = auth_message.mutable_challenge();
challenge->set_sender_nonce(auth_context.nonce());
challenge->set_hash_algorithm(::cast::channel::SHA256);
std::string auth_message_string;
auth_message.SerializeToString(&auth_message_string);
message.set_protocol_version(CastMessage::CASTV2_1_0);
message.set_source_id(kPlatformSenderId);
message.set_destination_id(kPlatformReceiverId);
message.set_namespace_(kAuthNamespace);
message.set_payload_type(::cast::channel::CastMessage_PayloadType_BINARY);
message.set_payload_binary(auth_message_string);
return message;
}
ErrorOr<CastMessage> CreateAppAvailabilityRequest(const std::string& sender_id,
int request_id,
const std::string& app_id) {
Json::Value dict(Json::ValueType::objectValue);
dict[kMessageKeyType] = Json::Value(
CastMessageTypeToString(CastMessageType::kGetAppAvailability));
Json::Value app_id_value(Json::ValueType::arrayValue);
app_id_value.append(Json::Value(app_id));
dict[kMessageKeyAppId] = std::move(app_id_value);
dict[kMessageKeyRequestId] = Json::Value(request_id);
CastMessage message;
message.set_payload_type(::cast::channel::CastMessage_PayloadType_STRING);
ErrorOr<std::string> serialized = json::Stringify(dict);
if (serialized.is_error()) {
return serialized.error();
}
message.set_payload_utf8(serialized.value());
message.set_protocol_version(
::cast::channel::CastMessage_ProtocolVersion_CASTV2_1_0);
message.set_source_id(sender_id);
message.set_destination_id(kPlatformReceiverId);
message.set_namespace_(kReceiverNamespace);
return message;
}
} // namespace cast
} // namespace openscreen
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