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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 "chrome/browser/ui/webui/suggest_internals/suggest_internals_handler.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "chrome/browser/autocomplete/remote_suggestions_service_factory.h"
#include "components/variations/net/variations_http_headers.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/simple_url_loader.h"
SuggestInternalsHandler::SuggestInternalsHandler(
mojo::PendingReceiver<suggest_internals::mojom::PageHandler>
pending_page_handler,
Profile* profile,
content::WebContents* web_contents)
: profile_(profile),
web_contents_(web_contents),
page_handler_(this, std::move(pending_page_handler)) {
if (auto* remote_suggestions_service =
RemoteSuggestionsServiceFactory::GetForProfile(
profile_,
/*create_if_necessary=*/true)) {
remote_suggestions_service_observation_.Observe(remote_suggestions_service);
}
}
SuggestInternalsHandler::~SuggestInternalsHandler() = default;
void SuggestInternalsHandler::SetPage(
mojo::PendingRemote<suggest_internals::mojom::Page> pending_page) {
page_.Bind(std::move(pending_page));
}
void SuggestInternalsHandler::HardcodeResponse(
const std::string& response,
base::TimeDelta delay,
HardcodeResponseCallback callback) {
hardcoded_response_and_delay_ = std::make_pair(response, delay);
if (auto* remote_suggestions_service =
RemoteSuggestionsServiceFactory::GetForProfile(
profile_,
/*create_if_necessary=*/true)) {
remote_suggestions_service->SetDelegate(weak_ptr_factory_.GetWeakPtr());
}
// Update the page with a synthetic request representing the hardcoded
// response.
suggest_internals::mojom::RequestPtr mojom_request =
suggest_internals::mojom::Request::New();
mojom_request->id = base::UnguessableToken::Create();
mojom_request->status = suggest_internals::mojom::RequestStatus::kHardcoded;
mojom_request->start_time = base::Time::Now();
mojom_request->response = response;
std::move(callback).Run(std::move(mojom_request));
}
void SuggestInternalsHandler::OnRequestCreated(
const base::UnguessableToken& request_id,
const network::ResourceRequest* request) {
// Update the page with the request information.
suggest_internals::mojom::RequestPtr mojom_request =
suggest_internals::mojom::Request::New();
mojom_request->id = request_id;
mojom_request->url = request->url;
std::string variations_header;
variations::GetVariationsHeader(*request, &variations_header);
mojom_request->data[variations::kClientDataHeader] = variations_header;
mojom_request->data[request->method] = request->url.spec();
mojom_request->status = suggest_internals::mojom::RequestStatus::kCreated;
page_->OnRequestCreated(std::move(mojom_request));
}
void SuggestInternalsHandler::OnRequestStarted(
const base::UnguessableToken& request_id,
network::SimpleURLLoader* loader,
const std::string& request_body) {
// Update the page with the request information.
suggest_internals::mojom::RequestPtr mojom_request =
suggest_internals::mojom::Request::New();
mojom_request->id = request_id;
mojom_request->data["Request-Body"] = request_body;
mojom_request->status = suggest_internals::mojom::RequestStatus::kSent;
mojom_request->start_time = base::Time::Now();
page_->OnRequestStarted(std::move(mojom_request));
}
void SuggestInternalsHandler::OnRequestCompleted(
const base::UnguessableToken& request_id,
const int response_code,
const std::unique_ptr<std::string>& response_body) {
// Update the page with the request information.
suggest_internals::mojom::RequestPtr mojom_request =
suggest_internals::mojom::Request::New();
mojom_request->id = request_id;
mojom_request->data["Response-Code"] = base::NumberToString(response_code);
const bool response_received = response_code == 200;
mojom_request->status =
response_received ? suggest_internals::mojom::RequestStatus::kSucceeded
: suggest_internals::mojom::RequestStatus::kFailed;
mojom_request->end_time = base::Time::Now();
mojom_request->response = response_received ? *response_body : "";
page_->OnRequestCompleted(std::move(mojom_request));
}
void SuggestInternalsHandler::OnRequestCompleted(
const network::SimpleURLLoader* source,
const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::CompletionCallback completion_callback) {
CHECK(hardcoded_response_and_delay_);
const auto [hardcoded_response, delay] = *hardcoded_response_and_delay_;
// Override the response with the hardcoded response given by the page.
if (response_code == 200) {
*response_body = hardcoded_response;
}
// Call the completion callback after the delay given by the page.
base::SequencedTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(
[](base::WeakPtr<const network::SimpleURLLoader> weak_source,
const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::CompletionCallback completion_callback) {
if (weak_source) {
std::move(completion_callback)
.Run(weak_source.get(), response_code,
std::move(response_body));
}
},
source->GetWeakPtr(), response_code, std::move(response_body),
std::move(completion_callback)),
delay);
}
void SuggestInternalsHandler::OnIndexedRequestCompleted(
const int request_index,
const network::SimpleURLLoader* source,
const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::IndexedCompletionCallback completion_callback) {
CHECK(hardcoded_response_and_delay_);
const auto [hardcoded_response, delay] = *hardcoded_response_and_delay_;
// Override the response with the hardcoded response given by the page.
if (response_code == 200) {
*response_body = hardcoded_response;
}
// Call the completion callback after the delay given by the page.
base::SequencedTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(
[](base::WeakPtr<const network::SimpleURLLoader> weak_source,
const int request_index, const int response_code,
std::unique_ptr<std::string> response_body,
RemoteSuggestionsService::IndexedCompletionCallback
completion_callback) {
if (weak_source) {
std::move(completion_callback)
.Run(request_index, weak_source.get(), response_code,
std::move(response_body));
}
},
source->GetWeakPtr(), request_index, response_code,
std::move(response_body), std::move(completion_callback)),
delay);
}
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