file_url_loader_factory.cc | Explore in Territory

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/loader/file_url_loader_factory.h"

#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include <vector>

#include "base/command_line.h"
#include "base/containers/span.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/i18n/time_formatting.h"
#include "base/memory/ptr_util.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/bind_post_task.h"
#include "base/task/thread_pool.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/file_access/scoped_file_access.h"
#include "components/file_access/scoped_file_access_delegate.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/file_url_loader.h"
#include "content/public/browser/shared_cors_origin_access_list.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_switches.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "mojo/public/cpp/system/data_pipe_producer.h"
#include "mojo/public/cpp/system/file_data_source.h"
#include "mojo/public/cpp/system/string_data_source.h"
#include "net/base/directory_lister.h"
#include "net/base/directory_listing.h"
#include "net/base/filename_util.h"
#include "net/base/mime_sniffer.h"
#include "net/base/mime_util.h"
#include "net/base/net_errors.h"
#include "net/http/http_byte_range.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_util.h"
#include "net/url_request/redirect_info.h"
#include "services/network/public/cpp/cors/cors.h"
#include "services/network/public/cpp/cors/cors_error_status.h"
#include "services/network/public/cpp/cors/origin_access_list.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/cpp/request_mode.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/mojom/cors.mojom-shared.h"
#include "services/network/public/mojom/fetch_api.mojom.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "storage/common/file_system/file_system_util.h"
#include "url/gurl.h"

#if BUILDFLAG(IS_WIN)
#include "base/win/shortcut.h"
#endif

namespace content {
namespace {

constexpr size_t kDefaultFileDirectoryLoaderPipeSize = …;

// Policy to control how a FileURLLoader will handle directory URLs.
enum class DirectoryLoadingPolicy { … };

// Policy to control whether or not file access constraints imposed by content
// or its embedder should be honored by a FileURLLoader.
enum class FileAccessPolicy { … };

// Policy to control whether or not a FileURLLoader should follow filesystem
// links (e.g. Windows shortcuts) where applicable.
enum class LinkFollowingPolicy { … };

GURL AppendUrlSeparator(const GURL& url) { … }

net::Error ConvertMojoResultToNetError(MojoResult result) { … }

MojoResult ConvertNetErrorToMojoResult(net::Error net_error) { … }

class FileURLDirectoryLoader
    : public network::mojom::URLLoader,
      public net::DirectoryLister::DirectoryListerDelegate { … };

class FileURLLoader : public network::mojom::URLLoader { … };

}  // namespace

FileURLLoaderFactory::FileURLLoaderFactory(
    const base::FilePath& profile_path,
    scoped_refptr<SharedCorsOriginAccessList> shared_cors_origin_access_list,
    base::TaskPriority task_priority,
    mojo::PendingReceiver<network::mojom::URLLoaderFactory> factory_receiver)
    : … { … }

FileURLLoaderFactory::~FileURLLoaderFactory() = default;

void FileURLLoaderFactory::CreateLoaderAndStart(
    mojo::PendingReceiver<network::mojom::URLLoader> loader,
    int32_t request_id,
    uint32_t options,
    const network::ResourceRequest& request,
    mojo::PendingRemote<network::mojom::URLLoaderClient> client,
    const net::MutableNetworkTrafficAnnotationTag& traffic_annotation) { … }

void FileURLLoaderFactory::CreateLoaderAndStartInternal(
    const network::ResourceRequest request,
    network::mojom::FetchResponseType response_type,
    mojo::PendingReceiver<network::mojom::URLLoader> loader,
    mojo::PendingRemote<network::mojom::URLLoaderClient> client) { … }

// static
mojo::PendingRemote<network::mojom::URLLoaderFactory>
FileURLLoaderFactory::Create(
    const base::FilePath& profile_path,
    scoped_refptr<SharedCorsOriginAccessList> shared_cors_origin_access_list,
    base::TaskPriority task_priority) { … }

void CreateFileURLLoaderBypassingSecurityChecks(
    const network::ResourceRequest& request,
    mojo::PendingReceiver<network::mojom::URLLoader> loader,
    mojo::PendingRemote<network::mojom::URLLoaderClient> client,
    std::unique_ptr<FileURLLoaderObserver> observer,
    bool allow_directory_listing,
    scoped_refptr<net::HttpResponseHeaders> extra_response_headers) { … }

mojo::PendingRemote<network::mojom::URLLoaderFactory>
CreateFileURLLoaderFactory(
    const base::FilePath& profile_path,
    scoped_refptr<SharedCorsOriginAccessList> shared_cors_origin_access_list) { … }

}  // namespace content
chromium/content/browser/loader/file_url_loader_factory.cc
