data_protection_clipboard_utils.cc | Explore in Territory

// 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/enterprise/data_protection/data_protection_clipboard_utils.h"

#include <algorithm>
#include <memory>
#include <queue>

#include "base/no_destructor.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/enterprise/connectors/analysis/content_analysis_delegate.h"
#include "chrome/browser/enterprise/data_controls/chrome_rules_service.h"
#include "chrome/browser/enterprise/data_controls/desktop_data_controls_dialog.h"
#include "chrome/browser/enterprise/data_controls/desktop_data_controls_dialog_factory.h"
#include "chrome/browser/enterprise/data_controls/reporting_service.h"
#include "chrome/browser/enterprise/data_protection/paste_allowed_request.h"
#include "components/enterprise/common/files_scan_data.h"
#include "components/enterprise/connectors/core/connectors_prefs.h"
#include "components/enterprise/content/clipboard_restriction_service.h"
#include "components/enterprise/data_controls/content/browser/last_replaced_clipboard_data.h"
#include "components/enterprise/data_controls/core/browser/prefs.h"
#include "components/policy/core/common/policy_types.h"
#include "components/strings/grit/components_strings.h"
#include "content/public/browser/clipboard_types.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/clipboard_monitor.h"
#include "ui/base/clipboard/clipboard_observer.h"
#include "ui/base/clipboard/clipboard_sequence_number_token.h"
#include "ui/base/clipboard/clipboard_util.h"
#include "ui/base/data_transfer_policy/data_transfer_policy_controller.h"
#include "ui/base/l10n/l10n_util.h"

namespace enterprise_data_protection {

namespace {

void HandleFileData(
    content::WebContents* web_contents,
    enterprise_connectors::ContentAnalysisDelegate::Data dialog_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback) { … }

void HandleStringData(
    content::WebContents* web_contents,
    content::ClipboardPasteData clipboard_paste_data,
    enterprise_connectors::ContentAnalysisDelegate::Data dialog_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback) { … }

bool SkipDataControlOrContentAnalysisChecks(
    const content::ClipboardEndpoint& main_endpoint) { … }

void PasteIfAllowedByContentAnalysis(
    content::WebContents* web_contents,
    const content::ClipboardEndpoint& source,
    const content::ClipboardEndpoint& destination,
    const content::ClipboardMetadata& metadata,
    content::ClipboardPasteData clipboard_paste_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback) { … }

void MaybeReportDataControlsPaste(const content::ClipboardEndpoint& source,
                                  const content::ClipboardEndpoint& destination,
                                  const content::ClipboardMetadata& metadata,
                                  const data_controls::Verdict& verdict,
                                  bool bypassed = false) { … }

void MaybeReportDataControlsCopy(const content::ClipboardEndpoint& source,
                                 const content::ClipboardMetadata& metadata,
                                 const data_controls::Verdict& verdict,
                                 bool bypassed = false) { … }

void OnDataControlsPasteWarning(
    const content::ClipboardEndpoint& source,
    const content::ClipboardEndpoint& destination,
    const content::ClipboardMetadata& metadata,
    data_controls::Verdict verdict,
    content::ClipboardPasteData clipboard_paste_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback,
    bool bypassed) { … }

void PasteIfAllowedByDataControls(
    const content::ClipboardEndpoint& source,
    const content::ClipboardEndpoint& destination,
    const content::ClipboardMetadata& metadata,
    content::ClipboardPasteData clipboard_paste_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback) { … }

void OnDlpRulesCheckDone(
    const content::ClipboardEndpoint& source,
    const content::ClipboardEndpoint& destination,
    const content::ClipboardMetadata& metadata,
    content::ClipboardPasteData clipboard_paste_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback,
    bool allowed) { … }

void IsCopyToOSClipboardRestricted(
    const content::ClipboardEndpoint& source,
    const content::ClipboardMetadata& metadata,
    const content::ClipboardPasteData& data,
    content::ContentBrowserClient::IsClipboardCopyAllowedCallback callback) { … }

void OnDataControlsCopyWarning(
    const content::ClipboardEndpoint& source,
    const content::ClipboardMetadata& metadata,
    const content::ClipboardPasteData& data,
    data_controls::Verdict verdict,
    content::ContentBrowserClient::IsClipboardCopyAllowedCallback callback,
    bool bypassed) { … }

void IsCopyRestrictedByDialog(
    const content::ClipboardEndpoint& source,
    const content::ClipboardMetadata& metadata,
    const content::ClipboardPasteData& data,
    content::ContentBrowserClient::IsClipboardCopyAllowedCallback callback) { … }

}  // namespace

void PasteIfAllowedByPolicy(
    const content::ClipboardEndpoint& source,
    const content::ClipboardEndpoint& destination,
    const content::ClipboardMetadata& metadata,
    content::ClipboardPasteData clipboard_paste_data,
    content::ContentBrowserClient::IsClipboardPasteAllowedCallback callback) { … }

void IsClipboardCopyAllowedByPolicy(
    const content::ClipboardEndpoint& source,
    const content::ClipboardMetadata& metadata,
    const content::ClipboardPasteData& data,
    content::ContentBrowserClient::IsClipboardCopyAllowedCallback callback) { … }

void ReplaceSameTabClipboardDataIfRequiredByPolicy(
    ui::ClipboardSequenceNumberToken seqno,
    content::ClipboardPasteData& data) { … }

}  // namespace enterprise_data_protection
chromium/chrome/browser/enterprise/data_protection/data_protection_clipboard_utils.cc
