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burgernotes-web
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Added a sanitsation layer on top of the sandbox, just in case

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Tracker-Friendly 2024-06-26 00:53:44 +01:00
parent 115bd5236f
commit cdc6450170
3 changed files with 1570 additions and 4 deletions
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1
app/index.html
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@ -9,6 +9,7 @@
<link rel="stylesheet" type="text/css" href="/static/css/style.css" />
<script type="text/javascript" src="/static/js/crypto-js.js"></script>
<script type="text/javascript" src="/static/js/marked.js"></script>
<script type="text/javascript" src="/static/js/purify.js"></script>
<link rel="icon" href="/static/svg/favicon.svg">
</head>

8
static/js/main.js
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@ -192,7 +192,7 @@ function updateFont() {
noteBox.style.fontSize = currentFontSize + "px"
textSizeBox.innerText = currentFontSize + "px"
if (markdowntoggle) {
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(noteBox.value) + "</html>";
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(DOMPurify.sanitize(noteBox.value)) + "</html>";
}
}
@ -417,7 +417,7 @@ function updateWordCount() {
function renderMarkDown() {
if (markdowntoggle) {
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(noteBox.value) + "</html>"
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(DOMPurify.sanitize(noteBox.value)) + "</html>"
}
}
@ -650,7 +650,7 @@ newNote.addEventListener("click", () => {
});
});
function downloadObjectAsJson(exportObj, exportName) {
let dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(exportObj));
let dataStr = "data:text/json;charset=utf-8," + DOMPurify.sanitize(JSON.stringify(exportObj));
let downloadAnchorNode = document.createElement("a");
downloadAnchorNode.setAttribute("href", dataStr);
downloadAnchorNode.setAttribute("download", exportName + ".json");
@ -799,7 +799,7 @@ removeBox.addEventListener("click", () => {
});
document.addEventListener("DOMContentLoaded", function() {
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(noteBox.value) + "</html>"
markdown.srcdoc = "<!DOCTYPE html><html lang='en'><style>html { height: 100% } pre { white-space: pre-wrap; overflow-wrap: break-word; } body { white-space: pre-wrap; overflow-wrap: break-word; font-family: 'Inter', sans-serif; height: 100%; color: " + getComputedStyle(document.documentElement).getPropertyValue('--text-color') + "; font-size: " + currentFontSize + "px; }</style>" + marked.parse(DOMPurify.sanitize(noteBox.value)) + "</html>"
});
if (firstNewVersion()) {

1565
static/js/purify.js Normal file
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