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3 commits
55fa969bea
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acd58dbaa5
| Author | SHA1 | Date | |
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 xenofem
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acd58dbaa5 | ||
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xenofem
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c81725a8e7 | ||
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xenofem
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d055bb7a7a |
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@ -4,21 +4,41 @@
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<meta charset="utf-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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<link rel="stylesheet" type="text/css" href="transbeam.css"/>
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<script src="util.js"></script>
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<title>Upload Test</title>
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</head>
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<body>
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<div>
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<div id="header">
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<img src="transbeam.svg" height="128">
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<h1>transbeam</h1>
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</div>
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<noscript>This page requires Javascript :(</noscript>
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<button id="upload">Upload</button>
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<div id="download_link_container" style="display: none;">
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Download link: <span id="download_link"></span>
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</div>
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<div id="progress_container" style="display: none;">
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<div id="progress"></div>
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<div id="progress_bar">
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<div id="progress_bar_filled"></div>
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</div>
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</div>
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<div id="file_list_container" style="display: none;">
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<table id="file_list">
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</table>
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</div>
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<div id="file_input_container">
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<label>
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<input type="file" multiple id="file_input"/>
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<span class="fake_button" id="file_input_message">Select files to upload...</span>
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</label>
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</div>
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<button id="upload" disabled>Upload</button>
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<h2>Files selected:</h2>
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<ul id="file_list">
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</ul>
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<div id="download_link"></div>
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<div id="progress"></div>
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<div id="footer">
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<h5>(c) 2022 xenofem, MIT licensed</h5>
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<h5><a target="_blank" href="https://git.xeno.science/xenofem/transbeam">source</a></h5>
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</div>
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<script src="upload.js"></script>
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</body>
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</html>
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@ -1,10 +1,58 @@
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body {
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text-align: center;
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font-family: sans-serif;
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max-width: 512px;
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margin: 0.5em auto;
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padding: 0 1em;
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}
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#header h1 {
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margin-top: 5px;
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}
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#progress_container {
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margin: 10px auto;
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}
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#progress_bar, #progress_bar_filled {
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height: 20px;
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border-radius: 8px;
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}
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#progress_bar {
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border: 1px solid #48f;
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}
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#progress_bar_filled {
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width: 0;
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background-color: #27f;
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}
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table {
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border-collapse: collapse;
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margin: 20px auto;
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}
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tr + tr td {
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border-top: 1px solid #ddd;
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}
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td {
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padding: 10px;
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}
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td.file_size {
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text-align: right;
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}
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td.file_name {
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text-align: left;
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}
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input[type="file"] {
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display: none;
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}
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button, .fake_button {
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font-size: 18px;
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font-family: sans-serif;
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color: #000;
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background-color: #ccc;
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border: 1px solid #bbb;
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@ -23,3 +71,11 @@ button:disabled, input:disabled + .fake_button {
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border-color: #ddd;
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cursor: not-allowed;
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}
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#footer {
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margin-top: 30px;
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}
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#footer h5 {
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margin: 5px auto;
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}
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100
static/upload.js
100
static/upload.js
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@ -1,5 +1,21 @@
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const FILE_CHUNK_SIZE = 16384;
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const fileInputContainer = document.getElementById('file_input_container');
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const fileInput = document.getElementById('file_input');
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const fileInputMessage = document.getElementById('file_input_message');
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const fileListContainer = document.getElementById('file_list_container');
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const fileList = document.getElementById('file_list');
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const uploadButton = document.getElementById('upload');
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const downloadLinkContainer = document.getElementById('download_link_container');
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const downloadLink = document.getElementById('download_link');
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const progressContainer = document.getElementById('progress_container');
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const progress = document.getElementById('progress');
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const progressBarFilled = document.getElementById('progress_bar_filled');
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let files = [];
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let socket = null;
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@ -23,7 +39,7 @@ function finishSending() {
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return;
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}
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socket.close();
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alert("done");
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progressContainer.textContent = "Upload complete!";
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}
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function sendData() {
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@ -38,7 +54,7 @@ function sendData() {
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socket.send(data);
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byteIndex = endpoint;
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bytesSent += data.size;
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progress.textContent = `${Math.floor(bytesSent * 100 / totalBytes)}%`;
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updateProgress();
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} else {
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fileIndex += 1;
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byteIndex = 0;
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@ -46,42 +62,69 @@ function sendData() {
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}
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}
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const fileInput = document.getElementById('file_input');
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const fileInputMessage = document.getElementById('file_input_message');
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const fileList = document.getElementById('file_list');
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const uploadButton = document.getElementById('upload');
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const downloadLink = document.getElementById('download_link');
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const progress = document.getElementById('progress');
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function updateButtons() {
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if (files.length === 0) {
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uploadButton.disabled = true;
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fileInputMessage.textContent = 'Select files to upload...';
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function updateProgress() {
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let percentage;
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if (totalBytes === 0) {
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percentage = "0%";
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} else {
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percentage = `${(bytesSent*100/totalBytes).toFixed(1)}%`;
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}
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progress.textContent = percentage;
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progressBarFilled.style.width = percentage;
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}
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function updateFiles() {
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totalBytes = files.reduce((acc, file) => acc + file.size, 0);
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if (files.length === 0) {
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fileInputMessage.textContent = 'Select files to upload...';
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fileListContainer.style.display = 'none';
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uploadButton.style.display = 'none';
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} else {
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uploadButton.disabled = false;
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fileInputMessage.textContent = 'Select more files to upload...';
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fileListContainer.style.display = '';
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uploadButton.textContent = `Upload ${files.length} file${files.length > 1 ? 's' : ''} (${displaySize(totalBytes)})`;
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uploadButton.style.display = '';
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}
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}
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updateButtons();
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updateFiles();
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downloadLinkContainer.style.display = 'none';
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progressContainer.style.display = 'none';
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function addFile(newFile) {
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if (files.some((oldFile) => newFile.name === oldFile.name)) { return; }
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files.push(newFile);
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const listEntry = document.createElement('li');
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addListEntry(newFile);
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}
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function addListEntry(file) {
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const listEntry = document.createElement('tr');
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const deleteButtonCell = document.createElement('td');
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const deleteButton = document.createElement('button');
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deleteButtonCell.appendChild(deleteButton);
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deleteButton.className = 'file_delete';
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deleteButton.textContent = 'x';
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deleteButton.addEventListener('click', () => {
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removeFile(newFile.name);
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removeFile(file.name);
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listEntry.remove();
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updateButtons();
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updateFiles();
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});
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const entryName = document.createElement('span');
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entryName.textContent = newFile.name;
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listEntry.appendChild(deleteButton);
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listEntry.appendChild(entryName);
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const sizeCell = document.createElement('td');
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sizeCell.className = 'file_size';
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sizeCell.textContent = displaySize(file.size);
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const nameCell = document.createElement('td');
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nameCell.className = 'file_name';
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nameCell.textContent = file.name;
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listEntry.appendChild(deleteButtonCell);
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listEntry.appendChild(sizeCell);
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listEntry.appendChild(nameCell);
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fileList.appendChild(listEntry);
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}
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@ -92,25 +135,26 @@ function removeFile(name) {
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fileInput.addEventListener('input', (e) => {
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for (const file of e.target.files) { addFile(file); }
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updateButtons();
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updateFiles();
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e.target.value = '';
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});
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uploadButton.addEventListener('click', (e) => {
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if (files.length === 0) { return; }
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fileInput.disabled = true;
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for (const button of document.getElementsByTagName('button')) {
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button.disabled = true;
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fileInputContainer.remove();
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for (const button of Array.from(document.getElementsByTagName('button'))) {
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button.remove();
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}
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totalBytes = files.reduce((acc, file) => acc + file.size, 0);
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socket = new WebSocket(`${window.location.protocol === 'http:' ? 'ws' : 'wss'}://${window.location.host}/upload`);
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socket.addEventListener('open', sendMetadata);
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socket.addEventListener('message', (msg) => {
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if (bytesSent === 0 && msg.data.match(/^[A-Za-z0-9]+$/)) {
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downloadLink.textContent = `${window.location.origin}/download/${msg.data}`;
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downloadLinkContainer.style.display = '';
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updateProgress();
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progressContainer.style.display = '';
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sendData();
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} else if (msg.data === 'ack') {
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sendData();
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14
static/util.js
Normal file
14
static/util.js
Normal file
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@ -0,0 +1,14 @@
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const UNITS = [
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{ name: 'GB', size: Math.pow(2, 30) },
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{ name: 'MB', size: Math.pow(2, 20) },
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{ name: 'KB', size: Math.pow(2, 10) },
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];
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function displaySize(bytes) {
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for (const unit of UNITS) {
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if (bytes >= unit.size) {
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return `${(bytes / unit.size).toFixed(1)}${unit.name}`;
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}
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}
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return `${bytes}B`;
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}
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