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// Copyright 2019 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/network_context_client_base_impl.h"
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_runner.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "build/build_config.h"
#include "components/file_access/scoped_file_access.h"
#include "content/browser/child_process_security_policy_impl.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/network_context_client_base.h"
#include "content/public/common/content_client.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/net_errors.h"
#include "services/network/public/mojom/trust_tokens.mojom.h"
namespace content {
namespace {
void HandleFileUploadRequest(
int32_t process_id,
bool async,
const std::vector<base::FilePath>& file_paths,
network::mojom::NetworkContextClient::OnFileUploadRequestedCallback
callback,
scoped_refptr<base::TaskRunner> task_runner,
file_access::ScopedFileAccess scoped_file_access) {
std::vector<base::File> files;
uint32_t file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ |
(async ? base::File::FLAG_ASYNC : 0);
ChildProcessSecurityPolicy* cpsp = ChildProcessSecurityPolicy::GetInstance();
for (const auto& file_path : file_paths) {
if (process_id != network::mojom::kBrowserProcessId &&
!cpsp->CanReadFile(process_id, file_path)) {
task_runner->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), net::ERR_ACCESS_DENIED,
std::vector<base::File>()));
return;
}
files.emplace_back(file_path, file_flags);
if (!files.back().IsValid()) {
task_runner->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback),
net::FileErrorToNetError(files.back().error_details()),
std::vector<base::File>()));
return;
}
}
task_runner->PostTask(FROM_HERE, base::BindOnce(std::move(callback), net::OK,
std::move(files)));
}
} // namespace
void OnScopedFilesAccessAcquired(
int32_t process_id,
bool async,
const std::vector<base::FilePath>& file_paths,
network::mojom::NetworkContextClient::OnFileUploadRequestedCallback
callback,
file_access::ScopedFileAccess scoped_file_access) {
if (!scoped_file_access.is_allowed()) {
std::move(callback).Run(net::Error::ERR_ACCESS_DENIED, /*files=*/{});
return;
}
base::ThreadPool::PostTask(
FROM_HERE, {base::MayBlock(), base::TaskPriority::USER_BLOCKING},
base::BindOnce(&HandleFileUploadRequest, process_id, async, file_paths,
std::move(callback),
base::SequencedTaskRunner::GetCurrentDefault(),
std::move(scoped_file_access)));
}
void NetworkContextOnFileUploadRequested(
int32_t process_id,
bool async,
const std::vector<base::FilePath>& file_paths,
const GURL& destination_url,
network::mojom::NetworkContextClient::OnFileUploadRequestedCallback
callback) {
GetContentClient()->browser()->RequestFilesAccess(
file_paths, destination_url,
base::BindOnce(&OnScopedFilesAccessAcquired, process_id, async,
file_paths, std::move(callback)));
}
NetworkContextClientBase::NetworkContextClientBase() = default;
NetworkContextClientBase::~NetworkContextClientBase() = default;
void NetworkContextClientBase::OnFileUploadRequested(
int32_t process_id,
bool async,
const std::vector<base::FilePath>& file_paths,
const GURL& destination_url,
OnFileUploadRequestedCallback callback) {
NetworkContextOnFileUploadRequested(process_id, async, file_paths,
destination_url, std::move(callback));
}
void NetworkContextClientBase::OnCanSendReportingReports(
const std::vector<url::Origin>& origins,
OnCanSendReportingReportsCallback callback) {
std::move(callback).Run(std::vector<url::Origin>());
}
void NetworkContextClientBase::OnCanSendDomainReliabilityUpload(
const url::Origin& origin,
OnCanSendDomainReliabilityUploadCallback callback) {
std::move(callback).Run(false);
}
#if BUILDFLAG(IS_ANDROID)
void NetworkContextClientBase::OnGenerateHttpNegotiateAuthToken(
const std::string& server_auth_token,
bool can_delegate,
const std::string& auth_negotiate_android_account_type,
const std::string& spn,
OnGenerateHttpNegotiateAuthTokenCallback callback) {
std::move(callback).Run(net::ERR_FAILED, server_auth_token);
}
#endif
#if BUILDFLAG(IS_CT_SUPPORTED)
void NetworkContextClientBase::OnCanSendSCTAuditingReport(
OnCanSendSCTAuditingReportCallback callback) {
std::move(callback).Run(false);
}
void NetworkContextClientBase::OnNewSCTAuditingReportSent() {}
#endif
} // namespace content
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