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// Copyright 2025 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/enterprise/connectors/analysis/clipboard_request_handler.h"
#include "chrome/browser/enterprise/connectors/analysis/content_analysis_info.h"
#include "chrome/browser/enterprise/data_controls/reporting_service.h"
#include "chrome/browser/extensions/api/safe_browsing_private/safe_browsing_private_event_router.h"
#include "chrome/browser/safe_browsing/cloud_content_scanning/deep_scanning_utils.h"
namespace enterprise_connectors {
namespace {
ClipboardRequestHandler::TestFactory* TestFactoryStorage() {
static base::NoDestructor<ClipboardRequestHandler::TestFactory> factory;
return factory.get();
}
} // namespace
// static
std::unique_ptr<ClipboardRequestHandler> ClipboardRequestHandler::Create(
ContentAnalysisInfo* content_analysis_info,
safe_browsing::BinaryUploadService* upload_service,
Profile* profile,
GURL url,
Type type,
safe_browsing::DeepScanAccessPoint access_point,
ContentMetaData::CopiedTextSource clipboard_source,
std::string content_transfer_method,
std::string data,
CompletionCallback callback) {
if (!TestFactoryStorage()->is_null()) {
return TestFactoryStorage()->Run(content_analysis_info, upload_service,
profile, std::move(url), type,
access_point, std::move(clipboard_source),
std::move(content_transfer_method),
std::move(data), std::move(callback));
}
return base::WrapUnique(new ClipboardRequestHandler(
content_analysis_info, upload_service, profile, std::move(url), type,
access_point, std::move(clipboard_source),
std::move(content_transfer_method), std::move(data),
std::move(callback)));
}
// static
void ClipboardRequestHandler::SetFactoryForTesting(TestFactory factory) {
*TestFactoryStorage() = std::move(factory);
}
// static
void ClipboardRequestHandler::ResetFactoryForTesting() {
TestFactoryStorage()->Reset();
}
ClipboardRequestHandler::~ClipboardRequestHandler() = default;
ClipboardRequestHandler::ClipboardRequestHandler(
ContentAnalysisInfo* content_analysis_info,
safe_browsing::BinaryUploadService* upload_service,
Profile* profile,
GURL url,
Type type,
safe_browsing::DeepScanAccessPoint access_point,
ContentMetaData::CopiedTextSource clipboard_source,
std::string content_transfer_method,
std::string data,
CompletionCallback callback)
: RequestHandlerBase(content_analysis_info,
upload_service,
profile,
std::move(url),
access_point),
type_(type),
data_(std::move(data)),
content_size_(data_.size()),
clipboard_source_(std::move(clipboard_source)),
content_transfer_method_(std::move(content_transfer_method)),
callback_(std::move(callback)) {}
void ClipboardRequestHandler::ReportWarningBypass(
std::optional<std::u16string> user_justification) {
ReportAnalysisConnectorWarningBypass(
profile_, /*url*/ url_, /*tab_url*/ url_,
/*source*/
data_controls::ReportingService::GetClipboardSourceString(
clipboard_source_),
/*destination*/ url_.spec(),
type_ == Type::kText ? "Text data" : "Image data",
/*download_digest_sha256*/ "", type_ == Type::kText ? "text/plain" : "",
extensions::SafeBrowsingPrivateEventRouter::kTriggerWebContentUpload,
content_transfer_method_, access_point_, content_size_,
content_analysis_info_->referrer_chain(), response_, user_justification);
}
void ClipboardRequestHandler::UploadForDeepScanning(
std::unique_ptr<ClipboardAnalysisRequest> request) {
auto* upload_service = GetBinaryUploadService();
if (upload_service) {
upload_service->MaybeUploadForDeepScanning(std::move(request));
}
}
bool ClipboardRequestHandler::UploadDataImpl() {
auto request = std::make_unique<ClipboardAnalysisRequest>(
content_analysis_info_->settings().cloud_or_local_settings,
std::move(data_),
base::BindOnce(&ClipboardRequestHandler::OnContentAnalysisResponse,
weak_ptr_factory_.GetWeakPtr()));
content_analysis_info_->InitializeRequest(request.get());
request->set_analysis_connector(BULK_DATA_ENTRY);
if (type_ == Type::kText) {
request->set_destination(url_.spec());
std::string source_string =
data_controls::ReportingService::GetClipboardSourceString(
clipboard_source_);
if (!source_string.empty()) {
request->set_source(source_string);
}
if (clipboard_source_.has_context()) {
request->set_clipboard_source_type(clipboard_source_.context());
}
if (clipboard_source_.has_url()) {
request->set_clipboard_source_url(clipboard_source_.url());
}
}
UploadForDeepScanning(std::move(request));
return true;
}
void ClipboardRequestHandler::OnContentAnalysisResponse(
safe_browsing::BinaryUploadService::Result result,
ContentAnalysisResponse response) {
response_ = std::move(response);
request_tokens_to_ack_final_actions_[response_.request_token()] =
GetAckFinalAction(response_);
RecordDeepScanMetrics(content_analysis_info_->settings()
.cloud_or_local_settings.is_cloud_analysis(),
access_point_,
base::TimeTicks::Now() - upload_start_time_,
content_size_, result, response_);
auto request_handler_result = CalculateRequestHandlerResult(
content_analysis_info_->settings(), result, response_);
DVLOG(1) << __func__
<< (type_ == Type::kText ? ": text result=" : ": image result=")
<< request_handler_result.complies;
bool should_warn = request_handler_result.final_result ==
FinalContentAnalysisResult::WARNING;
MaybeReportDeepScanningVerdict(
profile_, /*url*/ url_, /*tab_url*/ url_,
/*source*/
data_controls::ReportingService::GetClipboardSourceString(
clipboard_source_),
/*destination*/ url_.spec(),
type_ == Type::kText ? "Text data" : "Image data",
/*download_digest_sha256*/ "", type_ == Type::kText ? "text/plain" : "",
extensions::SafeBrowsingPrivateEventRouter::kTriggerWebContentUpload,
content_transfer_method_, access_point_, content_size_,
content_analysis_info_->referrer_chain(), result, response_,
CalculateEventResult(content_analysis_info_->settings(),
request_handler_result.complies, should_warn));
std::move(callback_).Run(std::move(request_handler_result));
}
} // namespace enterprise_connectors
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