94 lines
2.4 KiB
JavaScript
94 lines
2.4 KiB
JavaScript
const express = require("express"),
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fs = require("fs"),
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path = require("path")
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var app = express()
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var PORT = process.env.PORT || 8080
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var directory = process.env.FILES_DIR
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function humanFileSize(bytes, si = false, dp = 1) {
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const thresh = si ? 1000 : 1024;
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if (Math.abs(bytes) < thresh) {
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return bytes + ' B';
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}
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const units = si
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? ['kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
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: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
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let u = -1;
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const r = 10 ** dp;
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do {
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bytes /= thresh;
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++u;
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} while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
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return bytes.toFixed(dp) + ' ' + units[u];
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}
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var baseHTML = fs.readFileSync(path.join(__dirname, 'resources/base.html')).toString()
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var baseStart = baseHTML.substring(0, baseHTML.indexOf('{CONTENT}'))
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var baseEnd = baseHTML.substring(baseHTML.indexOf('{CONTENT}') + 9, baseHTML.length)
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if (!directory) {
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console.error("No directory specified! Please specify one using the environment variable FILES_DIR.")
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return
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}
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app.use(express.static(directory))
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app.listen(PORT, () => {
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console.log("Now listening on PORT: " + PORT)
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})
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app.get("/*", (req, res) => {
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var file = req.params[0]
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var absPath = path.join(directory, file)
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res.setHeader('Content-Type', 'text/html')
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res.setHeader("X-Accel-Buffering", "no")
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try {
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var dirContents = fs.readdirSync(absPath)
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} catch (error) {
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res.send(baseStart.replace("{TITLE}", "404: not found!") + "<h2>404: not found!</h2>" + baseEnd)
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return
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}
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res.write(baseStart.replace("{TITLE}", '/' + file))
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if (file != '') {
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res.write('<a href="../">Parent Directory</a><br>')
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}
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var dirs = []
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for (let index = 0; index < dirContents.length; index++) {
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const file = dirContents[index];
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var fileStats = fs.statSync(path.join(absPath, file))
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if (!fileStats.isDirectory()) {
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res.write(`<li><a href="./${file}">${file}</a> | ${humanFileSize(fileStats.size)}</li>`)
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} else {
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dirs.push(file)
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}
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}
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for (let index = 0; index < dirs.length; index++) {
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const file = dirs[index];
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var fileStats = fs.statSync(path.join(absPath, file))
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res.write(`<li><a href="./${file}">./${file}/</a></li>`)
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}
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// res.write(`<a href="./${file}">./${file}/</a><br>`)
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res.write(baseEnd)
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res.end()
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}) |