Spearhead/privateburn
2
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Detect networking problems and server errors, and display error messages to user. Also check size of payload before attempting to send.

Browse Source
This commit is contained in:
Marsell Kukuljevic 2026-01-16 10:27:38 +00:00
parent 3177477267
commit 5762306ea2
1 changed files with 31 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
index.html
View File

@ -84,6 +84,7 @@
<body> <body>
<div class="card" id="main"> <div class="card" id="main">
<div id="input-view"> <div id="input-view">
<h2 id="send-status" style="margin-bottom: 0"></h2>
<textarea <textarea
id="text" id="text"
placeholder="Type or paste your secret here..." placeholder="Type or paste your secret here..."
@ -151,6 +152,9 @@
</div> </div>
<script> <script>
// Make sure this matches MAX_SIZE_BYTES in server.js
const MAX_SIZE_BYTES = 10 * 1024 * 1024; // 10MB
// Check for existing link in URL on load // Check for existing link in URL on load
window.onload = () => { window.onload = () => {
if (window.location.hash.includes("id=")) initDecryption(); if (window.location.hash.includes("id=")) initDecryption();
@ -177,10 +181,26 @@
// 3. Upload Blob (IV + Ciphertext) // 3. Upload Blob (IV + Ciphertext)
const blob = new Blob([iv, encrypted]); const blob = new Blob([iv, encrypted]);
const res = await fetch("/api/secret", {
method: "POST", if (blob.size > MAX_SIZE_BYTES) {
body: blob, setErrorMessage("send-status", "message too large");
}); return;
}
let res;
try {
res = await fetch("/api/secret", {
method: "POST",
body: blob,
});
if (!res.ok) throw new Error(res.statusText);
// We need this catch since res.ok only works with some errors
} catch (e) {
let msg = e.message.replace("NetworkError", "networking problem");
setErrorMessage("send-status", msg);
return;
}
const { id } = await res.json(); const { id } = await res.json();
// 4. Create Hash-Link (Key stays in hash, never sent to server) // 4. Create Hash-Link (Key stays in hash, never sent to server)
@ -255,15 +275,18 @@
// Wipe hash from URL immediately for safety // Wipe hash from URL immediately for safety
window.history.replaceState(null, null, " "); window.history.replaceState(null, null, " ");
} catch (e) { } catch (e) {
statusEl.innerText = "❌ Error"; setErrorMessage("read-status", e.message);
statusEl.style.color = "#ff4444";
const content = document.getElementById("content"); const content = document.getElementById("content");
contentContainer.classList.remove("hidden"); contentContainer.classList.remove("hidden");
content.innerText = e.message;
content.style.color = "#ff8888";
} }
} }
function setErrorMessage(id, msg) {
const statusEl = document.getElementById(id);
statusEl.innerText = `❌ Error: ${msg}`;
statusEl.style.color = "#ff4444";
}
function copyDecryptedText() { function copyDecryptedText() {
const text = document.getElementById("content").innerText; const text = document.getElementById("content").innerText;
navigator.clipboard.writeText(text); navigator.clipboard.writeText(text);