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Vichingo455
2025-06-01 11:44:20 +02:00
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134
SafeExamBrowser.Browser/Wrapper/CefSharpBrowserControl.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
using CefSharp.WinForms;
using SafeExamBrowser.Browser.Handlers;
using SafeExamBrowser.Browser.Wrapper.Events;
using SafeExamBrowser.Browser.Wrapper.Handlers;
namespace SafeExamBrowser.Browser.Wrapper
{
internal class CefSharpBrowserControl : ChromiumWebBrowser, ICefSharpControl
{
public event AuthCredentialsEventHandler AuthCredentialsRequired;
public event BeforeBrowseEventHandler BeforeBrowse;
public event BeforeDownloadEventHandler BeforeDownload;
public event CanDownloadEventHandler CanDownload;
public event ContextCreatedEventHandler ContextCreated;
public event ContextReleasedEventHandler ContextReleased;
public event DownloadUpdatedEventHandler DownloadUpdated;
public event FaviconUrlChangedEventHandler FaviconUrlChanged;
public event FileDialogRequestedEventHandler FileDialogRequested;
public event FocusedNodeChangedEventHandler FocusedNodeChanged;
public event KeyEventHandler KeyEvent;
public event LoadingProgressChangedEventHandler LoadingProgressChanged;
public event OpenUrlFromTabEventHandler OpenUrlFromTab;
public event PreKeyEventHandler PreKeyEvent;
public event ResourceRequestEventHandler ResourceRequestHandlerRequired;
public event UncaughtExceptionEventHandler UncaughtExceptionEvent;
public CefSharpBrowserControl(ILifeSpanHandler lifeSpanHandler, string url) : base(url)
{
DialogHandler = new DialogHandlerSwitch();
DisplayHandler = new DisplayHandlerSwitch();
DownloadHandler = new DownloadHandlerSwitch();
KeyboardHandler = new KeyboardHandlerSwitch();
LifeSpanHandler = lifeSpanHandler;
MenuHandler = new ContextMenuHandler();
RenderProcessMessageHandler = new RenderProcessMessageHandlerSwitch();
RequestHandler = new RequestHandlerSwitch();
}
void ICefSharpControl.Dispose(bool disposing)
{
base.Dispose(disposing);
}
public void GetAuthCredentials(IWebBrowser webBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback, GenericEventArgs args)
{
AuthCredentialsRequired?.Invoke(webBrowser, browser, originUrl, isProxy, host, port, realm, scheme, callback, args);
}
public void GetResourceRequestHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling, ResourceRequestEventArgs args)
{
ResourceRequestHandlerRequired?.Invoke(webBrowser, browser, frame, request, isNavigation, isDownload, requestInitiator, ref disableDefaultHandling, args);
}
public void OnBeforeBrowse(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect, GenericEventArgs args)
{
BeforeBrowse?.Invoke(webBrowser, browser, frame, request, userGesture, isRedirect, args);
}
public void OnBeforeDownload(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback)
{
BeforeDownload?.Invoke(webBrowser, browser, downloadItem, callback);
}
public void OnCanDownload(IWebBrowser webBrowser, IBrowser browser, string url, string requestMethod, GenericEventArgs args)
{
CanDownload?.Invoke(webBrowser, browser, url, requestMethod, args);
}
public void OnContextCreated(IWebBrowser webBrowser, IBrowser browser, IFrame frame)
{
ContextCreated?.Invoke(webBrowser, browser, frame);
}
public void OnContextReleased(IWebBrowser webBrowser, IBrowser browser, IFrame frame)
{
ContextReleased?.Invoke(webBrowser, browser, frame);
}
public void OnDownloadUpdated(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback)
{
DownloadUpdated?.Invoke(webBrowser, browser, downloadItem, callback);
}
public void OnFaviconUrlChange(IWebBrowser webBrowser, IBrowser browser, IList<string> urls)
{
FaviconUrlChanged?.Invoke(webBrowser, browser, urls);
}
public void OnFileDialog(IWebBrowser webBrowser, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, IFileDialogCallback callback)
{
FileDialogRequested?.Invoke(webBrowser, browser, mode, title, defaultFilePath, acceptFilters, callback);
}
public void OnFocusedNodeChanged(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IDomNode node)
{
FocusedNodeChanged?.Invoke(webBrowser, browser, frame, node);
}
public void OnKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey)
{
KeyEvent?.Invoke(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey);
}
public void OnLoadingProgressChange(IWebBrowser webBrowser, IBrowser browser, double progress)
{
LoadingProgressChanged?.Invoke(webBrowser, browser, progress);
}
public void OnOpenUrlFromTab(IWebBrowser webBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture, GenericEventArgs args)
{
OpenUrlFromTab?.Invoke(webBrowser, browser, frame, targetUrl, targetDisposition, userGesture, args);
}
public void OnPreKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut, GenericEventArgs args)
{
PreKeyEvent?.Invoke(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey, ref isKeyboardShortcut, args);
}
public void OnUncaughtException(IWebBrowser webBrowser, IBrowser browser, IFrame frame, JavascriptException exception)
{
UncaughtExceptionEvent?.Invoke(webBrowser, browser, frame, exception);
}
}
}

128
SafeExamBrowser.Browser/Wrapper/CefSharpPopupControl.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
using CefSharp.WinForms.Host;
using SafeExamBrowser.Browser.Wrapper.Events;
namespace SafeExamBrowser.Browser.Wrapper
{
internal class CefSharpPopupControl : ChromiumHostControl, ICefSharpControl
{
public event AuthCredentialsEventHandler AuthCredentialsRequired;
public event BeforeBrowseEventHandler BeforeBrowse;
public event BeforeDownloadEventHandler BeforeDownload;
public event CanDownloadEventHandler CanDownload;
public event ContextCreatedEventHandler ContextCreated;
public event ContextReleasedEventHandler ContextReleased;
public event DownloadUpdatedEventHandler DownloadUpdated;
public event FaviconUrlChangedEventHandler FaviconUrlChanged;
public event FileDialogRequestedEventHandler FileDialogRequested;
public event FocusedNodeChangedEventHandler FocusedNodeChanged;
public event KeyEventHandler KeyEvent;
public event LoadingProgressChangedEventHandler LoadingProgressChanged;
public event OpenUrlFromTabEventHandler OpenUrlFromTab;
public event PreKeyEventHandler PreKeyEvent;
public event ResourceRequestEventHandler ResourceRequestHandlerRequired;
public event UncaughtExceptionEventHandler UncaughtExceptionEvent;
void ICefSharpControl.Dispose(bool disposing)
{
if (!IsDisposed && IsHandleCreated)
{
base.Dispose(disposing);
}
}
public void GetAuthCredentials(IWebBrowser webBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback, GenericEventArgs args)
{
AuthCredentialsRequired?.Invoke(webBrowser, browser, originUrl, isProxy, host, port, realm, scheme, callback, args);
}
public void GetResourceRequestHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling, ResourceRequestEventArgs args)
{
ResourceRequestHandlerRequired?.Invoke(webBrowser, browser, frame, request, isNavigation, isDownload, requestInitiator, ref disableDefaultHandling, args);
}
public void Load(string address)
{
LoadUrl(address);
}
public void OnBeforeBrowse(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect, GenericEventArgs args)
{
BeforeBrowse?.Invoke(webBrowser, browser, frame, request, userGesture, isRedirect, args);
}
public void OnBeforeDownload(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback)
{
BeforeDownload?.Invoke(webBrowser, browser, downloadItem, callback);
}
public void OnCanDownload(IWebBrowser webBrowser, IBrowser browser, string url, string requestMethod, GenericEventArgs args)
{
CanDownload?.Invoke(webBrowser, browser, url, requestMethod, args);
}
public void OnContextCreated(IWebBrowser webBrowser, IBrowser browser, IFrame frame)
{
ContextCreated?.Invoke(webBrowser, browser, frame);
}
public void OnContextReleased(IWebBrowser webBrowser, IBrowser browser, IFrame frame)
{
ContextReleased?.Invoke(webBrowser, browser, frame);
}
public void OnDownloadUpdated(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback)
{
DownloadUpdated?.Invoke(webBrowser, browser, downloadItem, callback);
}
public void OnFaviconUrlChange(IWebBrowser webBrowser, IBrowser browser, IList<string> urls)
{
FaviconUrlChanged?.Invoke(webBrowser, browser, urls);
}
public void OnFileDialog(IWebBrowser webBrowser, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, IFileDialogCallback callback)
{
FileDialogRequested?.Invoke(webBrowser, browser, mode, title, defaultFilePath, acceptFilters, callback);
}
public void OnFocusedNodeChanged(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IDomNode node)
{
FocusedNodeChanged?.Invoke(webBrowser, browser, frame, node);
}
public void OnKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey)
{
KeyEvent?.Invoke(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey);
}
public void OnLoadingProgressChange(IWebBrowser webBrowser, IBrowser browser, double progress)
{
LoadingProgressChanged?.Invoke(webBrowser, browser, progress);
}
public void OnOpenUrlFromTab(IWebBrowser webBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture, GenericEventArgs args)
{
OpenUrlFromTab?.Invoke(webBrowser, browser, frame, targetUrl, targetDisposition, userGesture, args);
}
public void OnPreKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut, GenericEventArgs args)
{
PreKeyEvent?.Invoke(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey, ref isKeyboardShortcut, args);
}
public void OnUncaughtException(IWebBrowser webBrowser, IBrowser browser, IFrame frame, JavascriptException exception)
{
UncaughtExceptionEvent?.Invoke(webBrowser, browser, frame, exception);
}
}
}

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SafeExamBrowser.Browser/Wrapper/Events/AuthCredentialsEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void AuthCredentialsEventHandler(IWebBrowser webBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback, GenericEventArgs args);
}

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SafeExamBrowser.Browser/Wrapper/Events/BeforeBrowseEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void BeforeBrowseEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect, GenericEventArgs args);
}

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SafeExamBrowser.Browser/Wrapper/Events/BeforeDownloadEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void BeforeDownloadEventHandler(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback);
}

14
SafeExamBrowser.Browser/Wrapper/Events/CanDownloadEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void CanDownloadEventHandler(IWebBrowser webBrowser, IBrowser browser, string url, string requestMethod, GenericEventArgs args);
}

14
SafeExamBrowser.Browser/Wrapper/Events/ContextCreatedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void ContextCreatedEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame);
}

14
SafeExamBrowser.Browser/Wrapper/Events/ContextReleasedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void ContextReleasedEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame);
}

14
SafeExamBrowser.Browser/Wrapper/Events/DownloadUpdatedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void DownloadUpdatedEventHandler(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback);
}

15
SafeExamBrowser.Browser/Wrapper/Events/FaviconUrlChangedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void FaviconUrlChangedEventHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, IList<string> urls);
}

15
SafeExamBrowser.Browser/Wrapper/Events/FileDialogRequestedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void FileDialogRequestedEventHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, IFileDialogCallback callback);
}

14
SafeExamBrowser.Browser/Wrapper/Events/FocusedNodeChangedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void FocusedNodeChangedEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IDomNode node);
}

15
SafeExamBrowser.Browser/Wrapper/Events/GenericEventArgs.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal class GenericEventArgs
{
public bool Value { get; set; }
}
}

14
SafeExamBrowser.Browser/Wrapper/Events/KeyEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void KeyEventHandler(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey);
}

14
SafeExamBrowser.Browser/Wrapper/Events/LoadingProgressChangedEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void LoadingProgressChangedEventHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, double progress);
}

14
SafeExamBrowser.Browser/Wrapper/Events/OpenUrlFromTabEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void OpenUrlFromTabEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture, GenericEventArgs args);
}

14
SafeExamBrowser.Browser/Wrapper/Events/PreKeyEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void PreKeyEventHandler(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut, GenericEventArgs args);
}

17
SafeExamBrowser.Browser/Wrapper/Events/ResourceRequestEventArgs.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal class ResourceRequestEventArgs
{
public IResourceRequestHandler Handler { get; set; }
}
}

14
SafeExamBrowser.Browser/Wrapper/Events/ResourceRequestEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void ResourceRequestEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling, ResourceRequestEventArgs args);
}

14
SafeExamBrowser.Browser/Wrapper/Events/UncaughtExceptionEventHandler.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
namespace SafeExamBrowser.Browser.Wrapper.Events
{
internal delegate void UncaughtExceptionEventHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, JavascriptException exception);
}

38
SafeExamBrowser.Browser/Wrapper/Extensions.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
using SafeExamBrowser.UserInterface.Contracts.FileSystemDialog;
namespace SafeExamBrowser.Browser.Wrapper
{
internal static class Extensions
{
internal static FileSystemElement ToElement(this CefFileDialogMode mode)
{
switch (mode)
{
case CefFileDialogMode.OpenFolder:
return FileSystemElement.Folder;
default:
return FileSystemElement.File;
}
}
internal static FileSystemOperation ToOperation(this CefFileDialogMode mode)
{
switch (mode)
{
case CefFileDialogMode.Save:
return FileSystemOperation.Save;
default:
return FileSystemOperation.Open;
}
}
}
}

36
SafeExamBrowser.Browser/Wrapper/Handlers/DialogHandlerSwitch.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
using CefSharp.WinForms;
using CefSharp.WinForms.Host;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class DialogHandlerSwitch : IDialogHandler
{
public bool OnFileDialog(IWebBrowser webBrowser, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, IFileDialogCallback callback)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnFileDialog(webBrowser, browser, mode, title, defaultFilePath, acceptFilters, callback);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnFileDialog(webBrowser, browser, mode, title, defaultFilePath, acceptFilters, callback);
}
return true;
}
}
}

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SafeExamBrowser.Browser/Wrapper/Handlers/DisplayHandlerSwitch.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using CefSharp;
using CefSharp.WinForms;
using CefSharp.WinForms.Handler;
using CefSharp.WinForms.Host;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class DisplayHandlerSwitch : DisplayHandler
{
protected override void OnFaviconUrlChange(IWebBrowser chromiumWebBrowser, IBrowser browser, IList<string> urls)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnFaviconUrlChange(chromiumWebBrowser, browser, urls);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnFaviconUrlChange(chromiumWebBrowser, browser, urls);
}
base.OnFaviconUrlChange(chromiumWebBrowser, browser, urls);
}
protected override void OnLoadingProgressChange(IWebBrowser chromiumWebBrowser, IBrowser browser, double progress)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnLoadingProgressChange(chromiumWebBrowser, browser, progress);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnLoadingProgressChange(chromiumWebBrowser, browser, progress);
}
base.OnLoadingProgressChange(chromiumWebBrowser, browser, progress);
}
}
}

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SafeExamBrowser.Browser/Wrapper/Handlers/DownloadHandlerSwitch.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
using CefSharp.WinForms;
using CefSharp.WinForms.Host;
using SafeExamBrowser.Browser.Wrapper.Events;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class DownloadHandlerSwitch : IDownloadHandler
{
public bool CanDownload(IWebBrowser webBrowser, IBrowser browser, string url, string requestMethod)
{
var args = new GenericEventArgs { Value = false };
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnCanDownload(webBrowser, browser, url, requestMethod, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnCanDownload(webBrowser, browser, url, requestMethod, args);
}
return args.Value;
}
public void OnBeforeDownload(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnBeforeDownload(webBrowser, browser, downloadItem, callback);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnBeforeDownload(webBrowser, browser, downloadItem, callback);
}
}
public void OnDownloadUpdated(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnDownloadUpdated(webBrowser, browser, downloadItem, callback);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnDownloadUpdated(webBrowser, browser, downloadItem, callback);
}
}
}
}

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SafeExamBrowser.Browser/Wrapper/Handlers/KeyboardHandlerSwitch.cs Normal file
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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
using CefSharp.WinForms;
using CefSharp.WinForms.Host;
using SafeExamBrowser.Browser.Wrapper.Events;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class KeyboardHandlerSwitch : IKeyboardHandler
{
public bool OnKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnKeyEvent(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnKeyEvent(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey);
}
return false;
}
public bool OnPreKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut)
{
var args = new GenericEventArgs { Value = false };
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnPreKeyEvent(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey, ref isKeyboardShortcut, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnPreKeyEvent(webBrowser, browser, type, windowsKeyCode, nativeKeyCode, modifiers, isSystemKey, ref isKeyboardShortcut, args);
}
return args.Value;
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
using CefSharp.WinForms;
using CefSharp.WinForms.Host;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class RenderProcessMessageHandlerSwitch : IRenderProcessMessageHandler
{
public void OnContextCreated(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnContextCreated(chromiumWebBrowser, browser, frame);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnContextCreated(chromiumWebBrowser, browser, frame);
}
}
public void OnContextReleased(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnContextReleased(chromiumWebBrowser, browser, frame);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnContextReleased(chromiumWebBrowser, browser, frame);
}
}
public void OnFocusedNodeChanged(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IDomNode node)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnFocusedNodeChanged(chromiumWebBrowser, browser, frame, node);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnFocusedNodeChanged(chromiumWebBrowser, browser, frame, node);
}
}
public void OnUncaughtException(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, JavascriptException exception)
{
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnUncaughtException(chromiumWebBrowser, browser, frame, exception);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnUncaughtException(chromiumWebBrowser, browser, frame, exception);
}
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using CefSharp;
using CefSharp.Handler;
using CefSharp.WinForms;
using CefSharp.WinForms.Host;
using SafeExamBrowser.Browser.Wrapper.Events;
namespace SafeExamBrowser.Browser.Wrapper.Handlers
{
internal class RequestHandlerSwitch : RequestHandler
{
protected override bool GetAuthCredentials(IWebBrowser webBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback)
{
var args = new GenericEventArgs { Value = false };
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.GetAuthCredentials(webBrowser, browser, originUrl, isProxy, host, port, realm, scheme, callback, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.GetAuthCredentials(webBrowser, browser, originUrl, isProxy, host, port, realm, scheme, callback, args);
}
return args.Value;
}
protected override IResourceRequestHandler GetResourceRequestHandler(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
{
var args = new ResourceRequestEventArgs();
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.GetResourceRequestHandler(chromiumWebBrowser, browser, frame, request, isNavigation, isDownload, requestInitiator, ref disableDefaultHandling, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.GetResourceRequestHandler(chromiumWebBrowser, browser, frame, request, isNavigation, isDownload, requestInitiator, ref disableDefaultHandling, args);
}
return args.Handler;
}
protected override bool OnBeforeBrowse(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect)
{
var args = new GenericEventArgs { Value = false };
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnBeforeBrowse(chromiumWebBrowser, browser, frame, request, userGesture, isRedirect, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnBeforeBrowse(chromiumWebBrowser, browser, frame, request, userGesture, isRedirect, args);
}
return args.Value;
}
protected override bool OnOpenUrlFromTab(IWebBrowser chromiumWebBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
{
var args = new GenericEventArgs { Value = false };
if (browser.IsPopup)
{
var control = ChromiumHostControl.FromBrowser(browser) as CefSharpPopupControl;
control?.OnOpenUrlFromTab(chromiumWebBrowser, browser, frame, targetUrl, targetDisposition, userGesture, args);
}
else
{
var control = ChromiumWebBrowser.FromBrowser(browser) as CefSharpBrowserControl;
control?.OnOpenUrlFromTab(chromiumWebBrowser, browser, frame, targetUrl, targetDisposition, userGesture, args);
}
return args.Value;
}
}
}

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/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;
using CefSharp;
using CefSharp.WinForms;
using SafeExamBrowser.Browser.Wrapper.Events;
using KeyEventHandler = SafeExamBrowser.Browser.Wrapper.Events.KeyEventHandler;
namespace SafeExamBrowser.Browser.Wrapper
{
internal interface ICefSharpControl : IChromiumWebBrowserBase, IWinFormsChromiumWebBrowser, IWin32Window, IComponent, ISynchronizeInvoke
{
event AuthCredentialsEventHandler AuthCredentialsRequired;
event BeforeBrowseEventHandler BeforeBrowse;
event BeforeDownloadEventHandler BeforeDownload;
event CanDownloadEventHandler CanDownload;
event ContextCreatedEventHandler ContextCreated;
event ContextReleasedEventHandler ContextReleased;
event DownloadUpdatedEventHandler DownloadUpdated;
event FaviconUrlChangedEventHandler FaviconUrlChanged;
event FileDialogRequestedEventHandler FileDialogRequested;
event FocusedNodeChangedEventHandler FocusedNodeChanged;
event KeyEventHandler KeyEvent;
event LoadingProgressChangedEventHandler LoadingProgressChanged;
event OpenUrlFromTabEventHandler OpenUrlFromTab;
event PreKeyEventHandler PreKeyEvent;
event ResourceRequestEventHandler ResourceRequestHandlerRequired;
event UncaughtExceptionEventHandler UncaughtExceptionEvent;
void Dispose(bool disposing);
void GetAuthCredentials(IWebBrowser webBrowser, IBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback, GenericEventArgs args);
void GetResourceRequestHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling, ResourceRequestEventArgs args);
void Load(string address);
void OnBeforeBrowse(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect, GenericEventArgs args);
void OnBeforeDownload(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IBeforeDownloadCallback callback);
void OnCanDownload(IWebBrowser webBrowser, IBrowser browser, string url, string requestMethod, GenericEventArgs args);
void OnContextCreated(IWebBrowser webBrowser, IBrowser browser, IFrame frame);
void OnContextReleased(IWebBrowser webBrowser, IBrowser browser, IFrame frame);
void OnDownloadUpdated(IWebBrowser webBrowser, IBrowser browser, DownloadItem downloadItem, IDownloadItemCallback callback);
void OnFaviconUrlChange(IWebBrowser webBrowser, IBrowser browser, IList<string> urls);
void OnFileDialog(IWebBrowser webBrowser, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, IFileDialogCallback callback);
void OnFocusedNodeChanged(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IDomNode node);
void OnKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey);
void OnLoadingProgressChange(IWebBrowser webBrowser, IBrowser browser, double progress);
void OnOpenUrlFromTab(IWebBrowser webBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture, GenericEventArgs args);
void OnPreKeyEvent(IWebBrowser webBrowser, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut, GenericEventArgs args);
void OnUncaughtException(IWebBrowser webBrowser, IBrowser browser, IFrame frame, JavascriptException exception);
}
}