xenofem/transbeam
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added file expiration and fleshed out the API a bit

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This commit is contained in:
xenofem 2022-04-30 01:38:26 -04:00
parent cc0aaaab94
commit f52aa0f08b
9 changed files with 296 additions and 103 deletions
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11
static/index.html
View file

@ -18,6 +18,17 @@
<noscript>This page requires Javascript :(</noscript>
<button id="upload">Upload</button>
<div id="lifetime_container" style="display: none;">
<label>
Keep files for:
<select id="lifetime">
<option value="1">1 day</option>
<option value="7">1 week</option>
<option value="14" selected>2 weeks</option>
<option value="30">1 month</option>
</select>
</label>
</div>
<div id="download_link_container" style="display: none;">
<div id="download_link_main">
<div>Download link: <span id="download_link"></span></div><div class="copy_button"></div>

4
static/transbeam.css
View file

@ -133,6 +133,10 @@ button:disabled, input:disabled + .fake_button {
cursor: not-allowed;
}
#lifetime_container {
margin-top: 10px;
}
#footer {
margin-top: 30px;
}

30
static/transbeam.js
View file

@ -8,6 +8,9 @@ const fileInputMessage = document.getElementById('file_input_message');
const fileListContainer = document.getElementById('file_list_container');
const fileList = document.getElementById('file_list');
const lifetimeContainer = document.getElementById('lifetime_container');
const lifetimeInput = document.getElementById('lifetime');
const uploadButton = document.getElementById('upload');
const downloadLinkContainer = document.getElementById('download_link_container');
@ -27,13 +30,13 @@ let byteIndex = 0;
let bytesSent = 0;
let totalBytes = 0;
function sendMetadata() {
const metadata = files.map((file) => ({
function sendManifest(lifetime) {
const fileMetadata = files.map((file) => ({
name: file.name,
size: file.size,
modtime: file.lastModified,
}));
socket.send(JSON.stringify(metadata));
socket.send(JSON.stringify({ lifetime, files: fileMetadata }));
}
function finishSending() {
@ -95,11 +98,13 @@ function updateFiles() {
fileInputMessage.textContent = 'Select files to upload...';
fileListContainer.style.display = 'none';
uploadButton.style.display = 'none';
lifetimeContainer.style.display = 'none';
} else {
fileInputMessage.textContent = 'Select more files to upload...';
fileListContainer.style.display = '';
uploadButton.textContent = `Upload ${files.length} file${files.length > 1 ? 's' : ''} (${displaySize(totalBytes)})`;
uploadButton.style.display = '';
lifetimeContainer.style.display = '';
}
fileInput.disabled = (files.length >= MAX_FILES);
}
@ -156,20 +161,25 @@ fileInput.addEventListener('input', (e) => {
uploadButton.addEventListener('click', (e) => {
if (files.length === 0) { return; }
const lifetime = parseInt(lifetimeInput.value);
lifetimeContainer.remove();
fileInputContainer.remove();
for (const button of Array.from(document.getElementsByTagName('button')).concat(...document.getElementsByClassName('file_delete'))) {
button.remove();
}
socket = new WebSocket(`${window.location.protocol === 'http:' ? 'ws' : 'wss'}://${window.location.host}/upload`);
socket.addEventListener('open', sendMetadata);
socket.addEventListener('open', () => sendManifest(lifetime));
socket.addEventListener('message', (msg) => {
if (bytesSent === 0 && msg.data.match(/^[A-Za-z0-9]+$/)) {
downloadLink.textContent = `${window.location.origin}/download/${msg.data}`;
downloadLinkContainer.style.display = '';
updateProgress();
progressContainer.style.display = '';
sendData();
if (bytesSent === 0) {
const reply = JSON.parse(msg.data);
if (reply.type === 'ready' && reply.code.match(/^[A-Za-z0-9]+$/)) {
downloadLink.textContent = `${window.location.origin}/download/${reply.code}`;
downloadLinkContainer.style.display = '';
updateProgress();
progressContainer.style.display = '';
sendData();
}
} else if (msg.data === 'ack') {
sendData();
}