DanielFGray/thumbs

## thumbs
#!/usr/bin/env node

const Promise = require('bluebird')
const http = require('http')
const url = require('url')
const path = require('path')
const fs = require('fs')

const port = process.argv[2] || 6969
const readDir = Promise.promisify(fs.readdir)
const stat = Promise.promisify(fs.stat)
const map = fn => xs => xs.map(fn)

const readDirSortedByTime = dir =>
  readDir(dir)
    .then(map(file =>
      Promise.props({
        name: file,
        stat: stat(path.join(dir, file)),
      }),
    ))
    .then(Promise.all)
    .then(stats =>
      stats.sort((a, b) =>
        a.stat.mtime - b.stat.mtime))
    .then(map(x => x.name))

const globals = {
  html: '',
}

function parseFiles(files) {
  if (! Array.isArray(files)) return
  files.forEach((f) => {
    if (f.match(/(mp4|webm)$/)) {
      globals.html += `<video controls="true" loop="true"><source src="${f}"/></video>'`
    } else if (f.match(/(png|gif|jpg|jpeg)$/)) {
      globals.html += `<img src="${f}" />`
    }
  })
}

function printHtml() {
  let string = (() => {
    let header = ''
    // try user headerfile
    header = '<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=device-width"/><style>body{margin:0;padding:0;background-color:#000;text-align:center;}img,video {max-height:150px;margin:2px;}</style></head><body>'
    return header
  })()
  string += globals.html
  string += (() => {
    let footer = ''
    // try user footerfile
    footer = '</body></html>'
    return footer
  })()
  return string
}

function startServer() {
  http.createServer((req, res) => {
    const filename = path.join(process.cwd(), url.parse(req.url).pathname)
    fs.exists(filename, (exists) => {
      if (! exists) {
        res.writeHead(404, { 'Content-Type': 'text/plain' })
        res.write('404 Not Found\n')
        res.end()
        return
      }
      if (filename === `${process.cwd()}/`) {
        res.writeHead(200)
        res.write(printHtml())
        res.end()
        return
      }
      if (fs.statSync(filename).isDirectory()) {
        res.writeHead(403, { 'Content-Type': 'text/plain' })
        res.write('403 Access Denied\n')
        res.end()
        return
      }
      fs.readFile(filename, 'binary', (err, file) => {
        if (err) {
          res.writeHead(500, { 'Content-Type': 'text/plain' })
          res.write(`${err}\n`)
          res.end()
          return
        }
        res.writeHead(200)
        res.write(file, 'binary')
        res.end()
      })
    })
  }).listen(port)
  console.log(`Static file server running at\n  => http://localhost:${port}/\nCTRL + C to shutdown`)
}

function main(dir) {
  readDirSortedByTime(dir)
    .then((list) => {
      parseFiles(list)
      startServer()
    })
}

main(process.cwd())
	#!/usr/bin/env node

	const Promise = require('bluebird')
	const http = require('http')
	const url = require('url')
	const path = require('path')
	const fs = require('fs')

	const port = process.argv[2] \|\| 6969
	const readDir = Promise.promisify(fs.readdir)
	const stat = Promise.promisify(fs.stat)
	const map = fn => xs => xs.map(fn)

	const readDirSortedByTime = dir =>
	readDir(dir)
	.then(map(file =>
	Promise.props({
	name: file,
	stat: stat(path.join(dir, file)),
	}),
	))
	.then(Promise.all)
	.then(stats =>
	stats.sort((a, b) =>
	a.stat.mtime - b.stat.mtime))
	.then(map(x => x.name))

	const globals = {
	html: '',
	}

	function parseFiles(files) {
	if (! Array.isArray(files)) return
	files.forEach((f) => {
	if (f.match(/(mp4\|webm)$/)) {
	globals.html += `<video controls="true" loop="true"><source src="${f}"/></video>'`
	} else if (f.match(/(png\|gif\|jpg\|jpeg)$/)) {
	globals.html += `<img src="${f}" />`
	}
	})
	}

	function printHtml() {
	let string = (() => {
	let header = ''
	// try user headerfile
	header = '<!DOCTYPE html><html lang="en"><head><meta name="viewport" content="width=device-width"/><style>body{margin:0;padding:0;background-color:#000;text-align:center;}img,video {max-height:150px;margin:2px;}</style></head><body>'
	return header
	})()
	string += globals.html
	string += (() => {
	let footer = ''
	// try user footerfile
	footer = '</body></html>'
	return footer
	})()
	return string
	}

	function startServer() {
	http.createServer((req, res) => {
	const filename = path.join(process.cwd(), url.parse(req.url).pathname)
	fs.exists(filename, (exists) => {
	if (! exists) {
	res.writeHead(404, { 'Content-Type': 'text/plain' })
	res.write('404 Not Found\n')
	res.end()
	return
	}
	if (filename === `${process.cwd()}/`) {
	res.writeHead(200)
	res.write(printHtml())
	res.end()
	return
	}
	if (fs.statSync(filename).isDirectory()) {
	res.writeHead(403, { 'Content-Type': 'text/plain' })
	res.write('403 Access Denied\n')
	res.end()
	return
	}
	fs.readFile(filename, 'binary', (err, file) => {
	if (err) {
	res.writeHead(500, { 'Content-Type': 'text/plain' })
	res.write(`${err}\n`)
	res.end()
	return
	}
	res.writeHead(200)
	res.write(file, 'binary')
	res.end()
	})
	})
	}).listen(port)
	console.log(`Static file server running at\n => http://localhost:${port}/\nCTRL + C to shutdown`)
	}

	function main(dir) {
	readDirSortedByTime(dir)
	.then((list) => {
	parseFiles(list)
	startServer()
	})
	}

	main(process.cwd())