chromium/third_party/blink/common/shared_storage/module_script_downloader.cc

// 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 "third_party/blink/public/common/shared_storage/module_script_downloader.h"

#include <string_view>
#include <utility>

#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "net/base/net_errors.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_status_code.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "third_party/blink/public/common/mime_util/mime_util.h"
#include "url/gurl.h"

namespace blink {

namespace {

constexpr net::NetworkTrafficAnnotationTag kTrafficAnnotation = …;

// Checks if `charset` is a valid charset, in lowercase ASCII. Takes `body` as
// well, to ensure it uses the specified charset.
bool IsAllowedCharset(std::string_view charset, const std::string& body) { … }

}  // namespace

ModuleScriptDownloader::ModuleScriptDownloader(
    network::mojom::URLLoaderFactory* url_loader_factory,
    const GURL& source_url,
    ModuleScriptDownloaderCallback module_script_downloader_callback)
    : … { … }

ModuleScriptDownloader::~ModuleScriptDownloader() = default;

void ModuleScriptDownloader::OnBodyReceived(std::unique_ptr<std::string> body) { … }

void ModuleScriptDownloader::OnRedirect(
    const GURL& url_before_redirect,
    const net::RedirectInfo& redirect_info,
    const network::mojom::URLResponseHead& response_head,
    std::vector<std::string>* removed_headers) { … }

}  // namespace blink