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// Copyright 2024 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/mahi_provider.h"
#include <memory>
#include <string>
#include <vector>
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/stringprintf.h"
#include "base/time/time.h"
#include "base/values.h"
#include "base/version_info/channel.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_mahi";
constexpr base::TimeDelta kTimeout = base::Seconds(30);
const net::NetworkTrafficAnnotationTag kMahiTrafficAnnotationTag =
net::DefineNetworkTrafficAnnotation("help_me_read_request",
R"(
semantics {
sender: "Help Me Read"
description:
"ChromeOS can help you read articles on webpages or PDF files by "
"summarizing or answering questions by sending the content, along "
"with user input question if provided, to Google's servers. Google "
"returns summary or answers that will be displayed on the screen."
trigger: "User right clicks within a distillable surface, e.g. a "
"webpage or a PDF file opened in the Gallery app with "
"enough extractable text content, clicks 'Summarize' button "
"or asks a question then clicks 'Send' icon."
internal {
contacts {
email: "cros-manta-team@google.com"
}
}
user_data {
type: ACCESS_TOKEN
type: USER_CONTENT
type: WEB_CONTENT
}
data: "The text content of the webpage or the PDF file where the "
"'Help Me Read' feature is triggered, along with user input "
"question if provided."
destination: GOOGLE_OWNED_SERVICE
last_reviewed: "2024-08-24"
}
policy {
cookies_allowed: NO
setting:
"You can enable or disable this feature via 'Help me read' in "
"ChromeOS's settings under 'System preferences > Search engine > "
"Use Google AI to get help reading and writing'."
chrome_policy {
HelpMeReadSettings {
HelpMeReadSettings: 2
}
}
})");
constexpr char kUsedHistogram[] = "ChromeOS.Mahi.Used";
// Each feature within Mahi, logged with `kUsedHistogram`.
//
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused.
enum class MahiFeature {
kSummary = 0,
kQA = 1,
kElucidation = 2,
kMaxValue = kElucidation,
};
void OnServerResponseOrErrorReceived(
MantaGenericCallback callback,
std::unique_ptr<proto::Response> manta_response,
MantaStatus manta_status) {
if (manta_status.status_code != MantaStatusCode::kOk) {
CHECK(manta_response == nullptr);
std::move(callback).Run(base::Value::Dict(), std::move(manta_status));
return;
}
CHECK(manta_response != nullptr);
if (manta_response->output_data_size() < 1 ||
!manta_response->output_data(0).has_text()) {
std::string message = std::string();
// Tries to find more information from filtered_data
if (manta_response->filtered_data_size() > 0 &&
manta_response->filtered_data(0).is_output_data()) {
message = base::StringPrintf(
"filtered output for: %s",
proto::FilteredReason_Name(manta_response->filtered_data(0).reason())
.c_str());
}
std::move(callback).Run(base::Value::Dict(),
{MantaStatusCode::kBlockedOutputs, message});
return;
}
std::move(callback).Run(
base::Value::Dict().Set("outputData",
std::move(manta_response->output_data(0).text())),
std::move(manta_status));
}
} // namespace
MahiProvider::MahiProvider(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
signin::IdentityManager* identity_manager,
const ProviderParams& provider_params)
: BaseProvider(url_loader_factory, identity_manager, provider_params) {}
MahiProvider::MahiProvider(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory,
signin::IdentityManager* identity_manager)
: BaseProvider(url_loader_factory, identity_manager) {}
MahiProvider::~MahiProvider() = default;
void MahiProvider::Summarize(const std::string& input,
const std::string& title,
const std::optional<std::string>& context,
const std::optional<std::string>& url,
MantaGenericCallback done_callback) {
proto::Request request;
request.set_feature_name(proto::FeatureName::CHROMEOS_READER_SUMMARY);
auto* input_data = request.add_input_data();
input_data->set_tag("model_input");
input_data->set_text(input);
if (!title.empty()) {
input_data = request.add_input_data();
input_data->set_tag("title");
input_data->set_text(title);
}
if (context.has_value() && !context->empty()) {
input_data = request.add_input_data();
input_data->set_tag("context");
input_data->set_text(context.value());
}
if (url.has_value() && !url->empty()) {
input_data = request.add_input_data();
input_data->set_tag("url");
input_data->set_text(url.value());
}
RequestInternal(
GURL{GetProviderEndpoint(features::IsMahiUseProdServerEnabled())},
kOauthConsumerName, kMahiTrafficAnnotationTag, request,
MantaMetricType::kMahiSummary,
base::BindOnce(&OnServerResponseOrErrorReceived,
std::move(done_callback)),
kTimeout);
base::UmaHistogramEnumeration(kUsedHistogram, MahiFeature::kSummary);
}
void MahiProvider::Elucidate(const std::string& input,
const std::string& context,
const std::string& title,
const std::optional<std::string>& url,
MantaGenericCallback done_callback) {
proto::Request request;
request.set_feature_name(proto::FeatureName::CHROMEOS_READER_ELUCIDATION);
auto* input_data = request.add_input_data();
input_data->set_tag("model_input");
input_data->set_text(input);
input_data = request.add_input_data();
input_data->set_tag("context");
input_data->set_text(context);
if (!title.empty()) {
input_data = request.add_input_data();
input_data->set_tag("title");
input_data->set_text(title);
}
if (url.has_value() && !url->empty()) {
input_data = request.add_input_data();
input_data->set_tag("url");
input_data->set_text(url.value());
}
RequestInternal(
GURL{GetProviderEndpoint(features::IsMahiUseProdServerEnabled())},
kOauthConsumerName, kMahiTrafficAnnotationTag, request,
MantaMetricType::kMahiElucidation,
base::BindOnce(&OnServerResponseOrErrorReceived,
std::move(done_callback)),
kTimeout);
base::UmaHistogramEnumeration(kUsedHistogram, MahiFeature::kElucidation);
}
void MahiProvider::Outline(const std::string& input,
const std::string& title,
const std::optional<std::string>& url,
MantaGenericCallback done_callback) {
std::move(done_callback)
.Run(base::Value::Dict(),
{MantaStatusCode::kGenericError, "Unimplemented"});
}
void MahiProvider::QuestionAndAnswer(const std::string& original_content,
const std::string& title,
const std::optional<std::string>& url,
const std::vector<MahiQAPair> QAHistory,
const std::string& question,
MantaGenericCallback done_callback) {
proto::Request request;
request.set_feature_name(proto::FeatureName::CHROMEOS_READER_Q_AND_A);
auto* input_data = request.add_input_data();
input_data->set_tag("original_content");
input_data->set_text(original_content);
if (!title.empty()) {
input_data = request.add_input_data();
input_data->set_tag("title");
input_data->set_text(title);
}
if (url.has_value() && !url->empty()) {
input_data = request.add_input_data();
input_data->set_tag("url");
input_data->set_text(url.value());
}
input_data = request.add_input_data();
input_data->set_tag("new_question");
input_data->set_text(question);
for (const auto& [previous_question, previous_answer] : QAHistory) {
input_data = request.add_input_data();
input_data->set_tag("previous_question");
input_data->set_text(previous_question);
input_data = request.add_input_data();
input_data->set_tag("previous_answer");
input_data->set_text(previous_answer);
}
RequestInternal(
GURL{GetProviderEndpoint(features::IsMahiUseProdServerEnabled())},
kOauthConsumerName, kMahiTrafficAnnotationTag, request,
MantaMetricType::kMahiQA,
base::BindOnce(&OnServerResponseOrErrorReceived,
std::move(done_callback)),
kTimeout);
base::UmaHistogramEnumeration(kUsedHistogram, MahiFeature::kQA);
}
} // namespace manta
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