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Restore SEBPatch

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Vichingo455
2025-06-01 11:44:20 +02:00
commit 8c656e3137
1297 changed files with 142172 additions and 0 deletions
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16
SafeExamBrowser.Browser/Content/Api.js 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/.
*/
SafeExamBrowser = {
version: 'SEB_Windows_%%_VERSION_%%',
security: {
browserExamKey: '%%_BEK_%%',
configKey: '%%_CK_%%',
updateKeys: (callback) => callback()
}
}

3
SafeExamBrowser.Browser/Content/BlockedContent.html Normal file
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<div style="background-color: lightgray; display: table; font-family: 'Segoe UI'; height: 100%; text-align: center; width: 100%">
<p style="display: table-cell; font-weight: bold; vertical-align: middle">%%MESSAGE%%</p>
</div>

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SafeExamBrowser.Browser/Content/BlockedPage.html Normal file
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<!DOCTYPE html>
<html style="height: 100%; width: 100%">
<head>
<meta charset="utf-8" />
<title>%%TITLE%%</title>
</head>
<body style="background-color: lightgray; display: table; font-family: 'Segoe UI'; height: 98%; text-align: center; width: 99%">
<div style="display: table-cell; vertical-align: middle">
<p style="font-weight: bold">%%MESSAGE%%</p>
<button onclick="window.history.back()" style="cursor: pointer">&#x2B60; %%BACK_BUTTON%%</button>
</div>
</body>
</html>

195
SafeExamBrowser.Browser/Content/Clipboard.js Normal file
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/*
* Copyright (c) 2024 ETH Z<>rich, 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/.
*
* Original code taken and slightly adapted from https://github.com/eqsoft/seb2/blob/master/browser/app/modules/SebBrowser.jsm#L1215.
*/
SafeExamBrowser.clipboard = {
id: Math.round((Date.now() + Math.random()) * 1000),
ranges: [],
text: "",
clear: function () {
this.ranges = [];
this.text = "";
},
getContentEncoded: function () {
var bytes = new TextEncoder().encode(this.text);
var base64 = btoa(String.fromCodePoint(...bytes));
return base64;
},
update: function (id, base64) {
if (this.id != id) {
var bytes = Uint8Array.from(atob(base64), (m) => m.codePointAt(0));
var content = new TextDecoder().decode(bytes);
this.ranges = [];
this.text = content;
}
}
}
function copySelectedData(e) {
if (e.target.contentEditable && e.target.setRangeText) {
SafeExamBrowser.clipboard.text = e.target.value.substring(e.target.selectionStart, e.target.selectionEnd);
SafeExamBrowser.clipboard.ranges = [];
} else {
var selection = e.target.ownerDocument.defaultView.getSelection();
var text = "";
for (var i = 0; i < selection.rangeCount; i++) {
SafeExamBrowser.clipboard.ranges[i] = selection.getRangeAt(i).cloneContents();
text += SafeExamBrowser.clipboard.ranges[i].textContent;
}
SafeExamBrowser.clipboard.text = text;
}
}
function cutSelectedData(e) {
if (e.target.contentEditable && e.target.setRangeText) {
e.target.setRangeText("", e.target.selectionStart, e.target.selectionEnd, 'select');
} else {
var designMode = e.target.ownerDocument.designMode;
var contentEditables = e.target.ownerDocument.querySelectorAll('*[contenteditable]');
var selection = e.target.ownerDocument.defaultView.getSelection();
for (var i = 0; i < selection.rangeCount; i++) {
var range = selection.getRangeAt(i);
if (designMode === 'on') {
range.deleteContents();
} else {
if (contentEditables.length) {
contentEditables.forEach(node => {
if (node.contains(range.commonAncestorContainer)) {
range.deleteContents();
}
});
}
}
}
}
}
function pasteSelectedData(e) {
if (e.target.contentEditable && e.target.setRangeText) {
e.target.setRangeText("", e.target.selectionStart, e.target.selectionEnd, 'select');
e.target.setRangeText(SafeExamBrowser.clipboard.text, e.target.selectionStart, e.target.selectionStart + SafeExamBrowser.clipboard.text.length, 'end');
} else {
var w = e.target.ownerDocument.defaultView;
var designMode = e.target.ownerDocument.designMode;
var contentEditables = e.target.ownerDocument.querySelectorAll('*[contenteditable]');
var selection = w.getSelection();
for (var i = 0; i < selection.rangeCount; i++) {
var r = selection.getRangeAt(i);
if (designMode === 'on') {
r.deleteContents();
} else {
if (contentEditables.length) {
contentEditables.forEach(node => {
if (node.contains(r.commonAncestorContainer)) {
r.deleteContents();
}
});
}
}
}
if (designMode === 'on') {
var range = w.getSelection().getRangeAt(0);
if (SafeExamBrowser.clipboard.ranges.length > 0) {
SafeExamBrowser.clipboard.ranges.map(r => {
range = w.getSelection().getRangeAt(0);
range.collapse();
const newNode = r.cloneNode(true);
range.insertNode(newNode);
range.collapse();
});
} else {
range.collapse();
range.insertNode(w.document.createTextNode(SafeExamBrowser.clipboard.text));
range.collapse();
}
} else {
if (contentEditables.length) {
contentEditables.forEach(node => {
var range = w.getSelection().getRangeAt(0);
if (node.contains(range.commonAncestorContainer)) {
if (SafeExamBrowser.clipboard.ranges.length > 0) {
SafeExamBrowser.clipboard.ranges.map(r => {
range = w.getSelection().getRangeAt(0);
range.collapse();
const newNode = r.cloneNode(true);
range.insertNode(newNode);
range.collapse();
});
} else {
range = w.getSelection().getRangeAt(0);
range.collapse();
range.insertNode(w.document.createTextNode(SafeExamBrowser.clipboard.text));
range.collapse();
}
}
});
}
}
}
}
function onCopy(e) {
SafeExamBrowser.clipboard.clear();
try {
copySelectedData(e);
CefSharp.PostMessage({ Type: "Clipboard", Id: SafeExamBrowser.clipboard.id, Content: SafeExamBrowser.clipboard.getContentEncoded() });
} finally {
e.preventDefault();
e.returnValue = false;
}
return false;
}
function onCut(e) {
SafeExamBrowser.clipboard.clear();
try {
copySelectedData(e);
cutSelectedData(e);
CefSharp.PostMessage({ Type: "Clipboard", Id: SafeExamBrowser.clipboard.id, Content: SafeExamBrowser.clipboard.getContentEncoded() });
} finally {
e.preventDefault();
e.returnValue = false;
}
return false;
}
function onPaste(e) {
try {
pasteSelectedData(e);
} finally {
e.preventDefault();
e.returnValue = false;
}
return false;
}
window.document.addEventListener("copy", onCopy, true);
window.document.addEventListener("cut", onCut, true);
window.document.addEventListener("paste", onPaste, true);

119
SafeExamBrowser.Browser/Content/ContentLoader.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.IO;
using System.Reflection;
using SafeExamBrowser.I18n.Contracts;
namespace SafeExamBrowser.Browser.Content
{
internal class ContentLoader
{
private readonly IText text;
private string api;
private string clipboard;
private string pageZoom;
internal ContentLoader(IText text)
{
this.text = text;
}
internal string LoadApi(string browserExamKey, string configurationKey, string version)
{
if (api == default)
{
var assembly = Assembly.GetAssembly(typeof(ContentLoader));
var path = $"{typeof(ContentLoader).Namespace}.Api.js";
using (var stream = assembly.GetManifestResourceStream(path))
using (var reader = new StreamReader(stream))
{
api = reader.ReadToEnd();
}
}
var js = api;
js = js.Replace("%%_BEK_%%", browserExamKey);
js = js.Replace("%%_CK_%%", configurationKey);
js = js.Replace("%%_VERSION_%%", version);
return js;
}
internal string LoadBlockedContent()
{
var assembly = Assembly.GetAssembly(typeof(ContentLoader));
var path = $"{typeof(ContentLoader).Namespace}.BlockedContent.html";
using (var stream = assembly.GetManifestResourceStream(path))
using (var reader = new StreamReader(stream))
{
var html = reader.ReadToEnd();
html = html.Replace("%%MESSAGE%%", text.Get(TextKey.Browser_BlockedContentMessage));
return html;
}
}
internal string LoadBlockedPage()
{
var assembly = Assembly.GetAssembly(typeof(ContentLoader));
var path = $"{typeof(ContentLoader).Namespace}.BlockedPage.html";
using (var stream = assembly.GetManifestResourceStream(path))
using (var reader = new StreamReader(stream))
{
var html = reader.ReadToEnd();
html = html.Replace("%%BACK_BUTTON%%", text.Get(TextKey.Browser_BlockedPageButton));
html = html.Replace("%%MESSAGE%%", text.Get(TextKey.Browser_BlockedPageMessage));
html = html.Replace("%%TITLE%%", text.Get(TextKey.Browser_BlockedPageTitle));
return html;
}
}
internal string LoadClipboard()
{
if (clipboard == default)
{
var assembly = Assembly.GetAssembly(typeof(ContentLoader));
var path = $"{typeof(ContentLoader).Namespace}.Clipboard.js";
using (var stream = assembly.GetManifestResourceStream(path))
using (var reader = new StreamReader(stream))
{
clipboard = reader.ReadToEnd();
}
}
return clipboard;
}
internal string LoadPageZoom()
{
if (pageZoom == default)
{
var assembly = Assembly.GetAssembly(typeof(ContentLoader));
var path = $"{typeof(ContentLoader).Namespace}.PageZoom.js";
using (var stream = assembly.GetManifestResourceStream(path))
using (var reader = new StreamReader(stream))
{
pageZoom = reader.ReadToEnd();
}
}
return pageZoom;
}
}
}

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SafeExamBrowser.Browser/Content/PageZoom.js Normal file
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/*
* Copyright (c) 2024 ETH Z<>rich, 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/.
*/
function disableMouseWheelZoom(e) {
if (e.ctrlKey) {
e.preventDefault();
e.stopPropagation();
}
}
document.addEventListener('wheel', disableMouseWheelZoom, { passive: false });