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@ -2,6 +2,8 @@ import { Terminal } from 'xterm'; |
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import { isUndefined } from 'lodash'; |
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import * as io from 'socket.io-client'; |
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import { fit } from 'xterm/lib/addons/fit/fit'; |
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import * as fileType from 'file-type'; |
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import Toastify from 'toastify-js'; |
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import './wetty.scss'; |
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import './favicon.ico'; |
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@ -12,8 +14,12 @@ const socket = io(window.location.origin, { |
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path: `${trim(socketBase)}/socket.io`, |
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}); |
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const FILE_BEGIN = '\u001b[5i'; |
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const FILE_END = '\u001b[4i'; |
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socket.on('connect', () => { |
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const term = new Terminal(); |
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let fileBuffer = []; |
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term.open(document.getElementById('terminal')); |
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const defaultOptions = { fontSize: 14 }; |
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let options: object; |
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@ -82,6 +88,52 @@ socket.on('connect', () => { |
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disconnect(data); |
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} |
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function onCompleteFile() { |
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let bufferCharacters = fileBuffer.join(''); |
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bufferCharacters = bufferCharacters.substring(bufferCharacters.lastIndexOf(FILE_BEGIN) + FILE_BEGIN.length, bufferCharacters.lastIndexOf(FILE_END)); |
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// Try to decode it as base64, if it fails we assume it's not base64
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try { |
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bufferCharacters = window.atob(bufferCharacters); |
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} catch (err) { |
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// Assuming it's not base64...
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} |
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const bytes = new Uint8Array(bufferCharacters.length); |
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for (let i = 0; i < bufferCharacters.length; i += 1) { |
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bytes[i] = bufferCharacters.charCodeAt(i); |
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} |
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let mimeType = 'application/octet-stream'; |
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let fileExt = ''; |
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const typeData = fileType(bytes); |
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if (typeData) { |
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mimeType = typeData.mime; |
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fileExt = typeData.ext; |
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} |
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const fileName = `file-${new Date() |
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.toISOString() |
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.split('.')[0] |
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.replace(/-/g, '') |
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.replace('T', '') |
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.replace(/:/g, '')}${fileExt ? `.${fileExt}` : ''}`;
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const blob = new Blob([new Uint8Array(bytes.buffer)], { type: mimeType }); |
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const blobUrl = URL.createObjectURL(blob); |
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fileBuffer = []; |
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Toastify({ |
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text: `Download ready: <a href="${blobUrl}" target="_blank" download="${fileName}">${fileName}</a>`, |
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duration: 10000, |
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newWindow: true, |
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gravity: 'bottom', |
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position: 'right', |
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backgroundColor: '#fff', |
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stopOnFocus: true, |
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}).showToast(); |
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} |
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term.on('data', data => { |
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socket.emit('input', data); |
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}); |
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@ -90,7 +142,31 @@ socket.on('connect', () => { |
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}); |
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socket |
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.on('data', (data: string) => { |
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term.write(data); |
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const indexOfFileBegin = data.indexOf(FILE_BEGIN); |
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const indexOfFileEnd = data.indexOf(FILE_END); |
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// If we've got the entire file in one chunk
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if (indexOfFileBegin !== -1 && indexOfFileEnd !== -1) { |
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fileBuffer.push(data); |
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onCompleteFile(); |
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} |
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// If we've found a beginning marker
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else if (indexOfFileBegin !== -1) { |
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fileBuffer.push(data); |
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} |
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// If we've found an ending marker
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else if (indexOfFileEnd !== -1) { |
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fileBuffer.push(data); |
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onCompleteFile(); |
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} |
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// If we've found the continuation of a file
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else if (fileBuffer.length > 0) { |
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fileBuffer.push(data); |
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} |
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// Just treat it as normal data
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else { |
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term.write(data); |
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} |
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}) |
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.on('login', () => { |
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term.writeln(''); |
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Ben Letchford
5 years ago
Cian Butler