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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/manta/orca_provider.h"
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include "base/check.h"
#include "base/containers/fixed_flat_map.h"
#include "base/functional/bind.h"
#include "base/time/time.h"
#include "base/values.h"
#include "components/endpoint_fetcher/endpoint_fetcher.h"
#include "components/manta/base_provider.h"
#include "components/manta/features.h"
#include "components/manta/manta_service_callbacks.h"
#include "components/manta/manta_status.h"
#include "components/manta/proto/manta.pb.h"
#include "components/signin/public/base/consent_level.h"
#include "components/signin/public/identity_manager/identity_manager.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
namespace manta {
namespace {
constexpr char kOauthConsumerName[] = "manta_orca";
constexpr base::TimeDelta kTimeout = base::Seconds(30);
using Tone = proto::RequestConfig::Tone;
std::optional<Tone> GetTone(const std::string& tone) {
static constexpr auto tone_map =
base::MakeFixedFlatMap<std::string_view, Tone>({
{"UNSPECIFIED", proto::RequestConfig::UNSPECIFIED},
{"SHORTEN", proto::RequestConfig::SHORTEN},
{"ELABORATE", proto::RequestConfig::ELABORATE},
{"REPHRASE", proto::RequestConfig::REPHRASE},
{"FORMALIZE", proto::RequestConfig::FORMALIZE},
{"EMOJIFY", proto::RequestConfig::EMOJIFY},
{"FREEFORM_REWRITE", proto::RequestConfig::FREEFORM_REWRITE},
{"FREEFORM_WRITE", proto::RequestConfig::FREEFORM_WRITE},
{"PROOFREAD", proto::RequestConfig::PROOFREAD},
});
const auto iter = tone_map.find(tone);
return iter != tone_map.end() ? std::optional<Tone>(iter->second)
: std::nullopt;
}
std::optional<proto::Request> ComposeRequest(
const std::map<std::string, std::string>& input) {
const auto& tone_iter = input.find("tone");
if (tone_iter == input.end()) {
DVLOG(1) << "Tone not found in the parameters";
return std::nullopt;
}
auto tone = GetTone(tone_iter->second);
if (tone == std::nullopt) {
DVLOG(1) << "Invalid tone";
return std::nullopt;
}
proto::Request request;
request.set_feature_name(proto::FeatureName::TEXT_TEST);
auto& request_config = *request.mutable_request_config();
request_config.set_tone(tone.value());
for (const auto& kv : input) {
auto* input_data = request.add_input_data();
input_data->set_tag(kv.first);
input_data->set_text(kv.second);
}
return request;
}
void OnServerResponseOrErrorReceived(
MantaGenericCallback callback,
std::unique_ptr<proto::Response> manta_response,
MantaStatus manta_status) {
if (manta_status.status_code != MantaStatusCode::kOk) {
DCHECK(manta_response == nullptr);
std::move(callback).Run(base::Value::Dict(), std::move(manta_status));
return;
}
DCHECK(manta_response != nullptr);
auto output_data_list = base::Value::List();
for (const auto& output_data : manta_response->output_data()) {
if (output_data.has_text()) {
output_data_list.Append(
base::Value::Dict().Set("text", output_data.text()));
}
}
if (output_data_list.size() == 0) {
std::move(callback).Run(
base::Value::Dict(),
{MantaStatusCode::kBlockedOutputs, /*message=*/std::string()});
return;
}
std::move(callback).Run(
base::Value::Dict().Set("outputData", std::move(output_data_list)),
std::move(manta_status));
}
} // namespace
OrcaProvider::OrcaProvider(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
signin::IdentityManager* identity_manager,
const ProviderParams& provider_params)
: BaseProvider(url_loader_factory, identity_manager, provider_params) {}
OrcaProvider::~OrcaProvider() = default;
void OrcaProvider::Call(const std::map<std::string, std::string>& input,
MantaGenericCallback done_callback) {
std::optional<proto::Request> request = ComposeRequest(input);
if (request == std::nullopt) {
std::move(done_callback)
.Run(base::Value::Dict(),
{MantaStatusCode::kInvalidInput, /*message=*/std::string()});
return;
}
const net::NetworkTrafficAnnotationTag traffic_annotation =
net::DefineNetworkTrafficAnnotation("help_me_write_request", R"(
semantics {
sender: "Help Me Write"
description:
"ChromeOS can help you write and rewrite text by sending a "
"freeform text query, along with any selected text, to Google's "
"servers. Google returns suggested text which you may choose to "
"insert into the selected text field."
trigger: "User right clicks within an editable text field and "
"chooses 'Help me write' and then chooses a preset query or "
"enters a free-form text query."
internal {
contacts {
email: "cros-manta-team@google.com"
}
}
user_data {
type: ACCESS_TOKEN
type: USER_CONTENT
}
data: "A preset or free-form user query, along with any text a user "
"has selected in the editable text field. Query metadata is "
"also sent including the user's preferred input language."
destination: GOOGLE_OWNED_SERVICE
last_reviewed: "2024-03-15"
}
policy {
cookies_allowed: NO
setting:
"You can enable or disable this feature via 'Help me write' in "
"ChromeOS's settings under 'Inputs > Suggestions'."
chrome_policy {
OrcaEnabled {
OrcaEnabled: false
}
}
})");
RequestInternal(
GURL{GetProviderEndpoint(features::IsOrcaUseProdServerEnabled())},
kOauthConsumerName, traffic_annotation, request.value(),
MantaMetricType::kOrca,
base::BindOnce(&OnServerResponseOrErrorReceived,
std::move(done_callback)),
kTimeout);
}
} // namespace manta
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