/* eslint-env browser *//* eslint-disable no-multi-str */ function cancelDefault (e) {  e.preventDefault()  e.stopPropagation()} const warningMsg = () => 'Leaving will interrupt transfer?\n'const rmMsg = () => !confirm('Remove file?\n')const ensureMove = () => !confirm('move items?')const isRo = () => window.ro // DOM elementsconst upBarName = document.getElementById('upBarName')const upBarPc = document.getElementById('upBarPc')const upGrid = document.getElementById('drop-grid')const pics = document.getElementById('pics')const picsHolder = document.getElementById('picsHolder')const video = document.getElementById('video')const videoHolder = document.getElementById('videoHolder')const manualUpload = document.getElementById('clickupload')const pdf = document.getElementById('pdf')const help = document.getElementById('help')const okBadge = document.getElementById('ok')const sadBadge = document.getElementById('sad')const pageTitle = document.head.querySelector('title')const pageH1 = document.body.querySelector('h1')const editor = document.getElementById('text-editor')const crossIcon = document.getElementById('quitAll')const toast = document.getElementById('toast')const table = document.getElementById('linkTable')const helpMsg = document.getElementById('help_message') const transparentPixel = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=' // helperslet allAlet imgsIndexlet allImgsconst decode = a => decodeURIComponent(a).replace(location.origin, '')const getArrowSelected = () => document.querySelector('.arrow-selected')const getASelected = () => !getArrowSelected() ? false : getArrowSelected().parentElement.parentElement.querySelectorAll('a')[0]const prependPath = a => a.startsWith('/') ? a : decodeURI(location.pathname) + aconst prevent = e => e.preventDefault()const flicker = w => w.classList.remove('runFade') || void w.offsetWidth || w.classList.add('runFade') // eslint-disable-line const encodeURIHash = e => encodeURI(e).replaceAll('#', '%23') // Manual uploadmanualUpload.addEventListener('change', () => Array.from(manualUpload.files).forEach(f => isDupe(f.name) || postFile(f, '/' + f.name)), false) // Soft navasync function browseTo (href, flickerDone, skipHistory) {  try {    const r = await fetch(href, { credentials: 'include' })    const t = await r.text()    const parsed = new DOMParser().parseFromString(t, 'text/html')     table.innerHTML = parsed.getElementById('linkTable').innerHTML    const title = parsed.head.querySelector('title').innerText    // check if is current path - if so skip following    if (pageTitle.innerText !== title) {      if (!skipHistory) {        const escaped = encodeURIHash(window.extraPath + title)        history.pushState({}, '', escaped)      }      pageTitle.innerText = title      pageH1.innerText = '.' + title      setTitle()    }     init()    if (flickerDone) flicker(okBadge)  } catch (error) {    flicker(sadBadge)  }} window.onClickLink = e => {  const a = e ? e.target : getASelected()   if (e) {    setCursorTo(e.target.innerText)  }   // always force download if ctrl pressed (also covers zipping folders)  if (e && e.ctrlKey) {    dl(a)    return false  }   // follow dirs  if (isFolder(a)) {    browseTo(a.href)    return false  // enable notepad if relevant  } else if (!window.ro && isTextFile(a.innerText) && !isEditorMode()) {    padOn(a)    return false  // toggle picture carousel  } else if (isPic(a.href) && !isPicMode()) {    picsOn(a.href)    return false  // toggle videos mode  } else if (isVideo(a.href) && !isVideoMode()) {    videoOn(a.href)    return false  // let html be displayed naturally  } else if (a.innerText.endsWith('.html')) {    return true  } else if (isPdf(a.href)) {    openPDF(a.href)    return false  }   // else just force download  dl(a)  return false} let softStatePushedfunction pushSoftState (d) {  if (softStatePushed) { return }  softStatePushed = true  history.pushState({}, '', encodeURIHash(d))} const refresh = () => browseTo(location.href, true) const softPrev = () => history.replaceState({}, '', location.href.split('/').slice(0, -1).join('/') + '/') const isAtExtraPath = url => location.origin + window.extraPath + '/../' === urlconst prevPage = (url, skipHistory) => window.quitAll() || isAtExtraPath(url) || browseTo(url, false, skipHistory) window.onpopstate = () => prevPage(location.href, true) // RPCfunction upload (id, what, path, cbDone, cbErr, cbUpdate) {  const xhr = new XMLHttpRequest()  xhr.open('POST', location.origin + window.extraPath + '/post')  xhr.setRequestHeader('gossa-path', path)  xhr.upload.addEventListener('load', cbDone)  xhr.upload.addEventListener('progress', cbUpdate)  xhr.upload.addEventListener('error', cbErr)  xhr.upload.id = id  xhr.send(what)} function rpc (call, args, cb) {  console.log('RPC', call, args)  const xhr = new XMLHttpRequest()  xhr.open('POST', location.origin + window.extraPath + '/rpc')  xhr.setRequestHeader('Content-Type', 'application/json;charset=UTF-8')  xhr.send(JSON.stringify({ call, args }))  xhr.onload = cb  xhr.onerror = () => flicker(sadBadge)} const mkdirCall = (path, cb) => rpc('mkdirp', [prependPath(path)], cb)const rmCall = (path1, cb) => rpc('rm', [prependPath(path1)], cb)const mvCall = (path1, path2, cb) => rpc('mv', [path1, path2], cb)const sumCall = (path, type, cb) => rpc('sum', [prependPath(path), type], cb) // File uploadlet totalDone = 0let totalUploads = 0let totalUploadsSize = 0let totalUploadedSize = [] const dupe = test => allA.find(a => a.innerHTML.replace('/', '') === test)const isDupe = t => dupe(t) ? alert(t + ' already already exists') || true : false function shouldRefresh () {  totalDone += 1  if (totalUploads === totalDone) {    window.onbeforeunload = null    console.log('done uploading ' + totalDone + ' files')    totalDone = 0    totalUploads = 0    totalUploadsSize = 0    totalUploadedSize = []    upBarPc.style.display = upBarName.style.display = 'none'    table.classList.remove('uploading-table')    setTimeout(refresh, 200)  }} function updatePercent (ev) {  totalUploadedSize[ev.target.id] = ev.loaded  const ttlDone = totalUploadedSize.reduce((s, x) => s + x)  const pc = Math.floor(100 * ttlDone / totalUploadsSize) + '%'  upBarPc.innerText = pc  upBarPc.style.width = pc} function postFile (file, path) {  if (window.ro) return  path = decodeURI(location.pathname).slice(0, -1) + path  window.onbeforeunload = warningMsg   table.classList.add('uploading-table')  upBarPc.style.display = upBarName.style.display = 'block'  totalUploads += 1  totalUploadsSize += file.size  upBarName.innerText = totalUploads > 1 ? totalUploads + ' files' : file.name   const formData = new FormData()  formData.append(file.name, file)  upload(totalUploads, formData, encodeURIComponent(path), shouldRefresh, null, updatePercent)} const parseDomFolder = f => f.createReader().readEntries(e => e.forEach(i => parseDomItem(i))) function parseDomItem (domFile, shoudCheckDupes) {  if (shoudCheckDupes && isDupe(domFile.name)) {    return  }  if (domFile.isFile) {    domFile.file(f => postFile(f, domFile.fullPath))  } else {    // remove absolute path    const f = domFile.fullPath.startsWith('/') ? domFile.fullPath.slice(1) : domFile.fullPath    mkdirCall(f, () => parseDomFolder(domFile))  }} function pushEntry (entry) {  if (!entry.webkitGetAsEntry && !entry.getAsEntry) {    return alert('Unsupported browser ! Please update to chrome/firefox.')  } else {    entry = entry.webkitGetAsEntry() || entry.getAsEntry()  }   parseDomItem(entry, true)} window.titleClick = function (e) {  const p = Array.from(document.querySelector('h1').childNodes).map(k => k.innerText)  const i = p.findIndex(s => s === e.target.innerText)  const dst = p.slice(0, i + 1).join('').slice(1)  const target = location.origin + window.extraPath + encodeURIHash(dst)  browseTo(target, false)} // Move files and foldersconst isFolder = e => e && e.href && e.innerText.endsWith('/') const setBackgroundLinks = t => { t.classList.add('highlight') } const getLink = () => document.querySelector('.highlight') || {} const resetBackgroundLinks = () => { try { getLink().classList.remove('highlight') } catch(e) { /* */ } } // eslint-disable-line // Not the nicest - sometimes, upon hover, firefox reports nodeName === '#text', and chrome reports nodeName === 'A'...const getClosestRow = t => t.nodeName === '#text' ? t.parentElement.parentElement : t.nodeName === 'A' ? t.parentElement : t let draggingSrc upGrid.ondragend = upGrid.ondragexit = upGrid.ondragleave = e => {  cancelDefault(e)  upGrid.style.display = 'none'} // Handle hoverdocument.ondragenter = e => {  if (isEditorMode() || isPicMode() || window.ro) { return }  cancelDefault(e)  resetBackgroundLinks()   // Display upload grid when uploading new elements  if (!draggingSrc) {    upGrid.style.display = 'flex'    e.dataTransfer.dropEffect = 'copy'  // Or highlight entry if drag and drop  } else if (draggingSrc) {    const t = getClosestRow(e.target)    isFolder(t.firstChild) && setBackgroundLinks(t)  }} document.ondragstart = e => { draggingSrc = e.target.innerHTML } document.ondragend = e => resetBackgroundLinks() document.ondragover = e => {  cancelDefault(e)  return false} // Handle dropdocument.ondrop = e => {  if (window.ro) return   cancelDefault(e)  upGrid.style.display = 'none'  const t = getLink().firstChild   // move to a folder  if (draggingSrc && t) {    const dest = t.innerHTML + draggingSrc    ensureMove() || mvCall(prependPath(draggingSrc), prependPath(dest), refresh)  // ... or upload  } else if (e.dataTransfer.items.length) {    Array.from(e.dataTransfer.items).forEach(pushEntry)  }   resetBackgroundLinks()  draggingSrc = null  return false} // Notepadconst isEditorMode = () => editor.style.display === 'block'const textTypes = ['.txt', '.rtf', '.md', '.markdown', '.log', '.yaml', '.yml']const isTextFile = src => src && textTypes.find(type => src.toLocaleLowerCase().includes(type))let fileEdited function saveText (quitting) {  const formData = new FormData()  formData.append(fileEdited, editor.value)  const path = encodeURIComponent(decodeURI(location.pathname) + fileEdited)  upload(0, formData, path, () => {    toast.style.display = 'none'    if (!quitting) return    clearInterval(window.padTimer)    window.onbeforeunload = null    resetView()    softPrev()    refresh()  }, () => {    toast.style.display = 'block'    if (!quitting) return    alert('cant save!\r\nleave window open to resume saving\r\nwhen connection back up')  })} function padOff () {  if (!isEditorMode()) { return }  saveText(true)  return true} async function padOn (a) {  if (a) {    try {      fileEdited = a.innerHTML      const f = await fetch(a.href, {        credentials: 'include',        headers: new Headers({ pragma: 'no-cache', 'cache-control': 'no-cache' })      })      editor.value = await f.text()    } catch (error) {      return alert('cant read file')    }  } else {    fileEdited = prompt('new filename', '')    if (!fileEdited) { return }    fileEdited = isTextFile(fileEdited) ? fileEdited : fileEdited + '.txt'    if (isDupe(fileEdited)) { return }    editor.value = ''  }   console.log('editing file', fileEdited)  setCursorTo(fileEdited)  editor.style.display = crossIcon.style.display = 'block'  table.style.display = 'none'  editor.focus()  window.onbeforeunload = warningMsg  window.padTimer = setInterval(saveText, 5000)  pushSoftState('?editor=' + fileEdited)} window.displayPad = padOn // quit pictures or editorfunction resetView () {  softStatePushed = false  table.style.display = 'table'  picsHolder.src = transparentPixel  videoHolder.src = ''  pdf.innerHTML = ''  editor.style.display = pics.style.display = video.style.display = pdf.style.display = crossIcon.style.display = 'none'  scrollToArrow()} window.quitAll = () => helpOff() || sumsOff() || picsOff() || videosOff() || padOff() || pdfOff() // Mkdir iconwindow.mkdirBtn = function () {  const folder = prompt('new folder name', '')  if (folder && !isDupe(folder)) {    mkdirCall(folder, refresh)  }} // Icon click handlerconst getBtnA = e => e.target.closest('tr').querySelector('a') window.rm = e => {  if (window.ro) return true  clearTimeout(window.clickToken)  const target = e.key ? getASelected() : getBtnA(e)  if (target.innerText === '../') return  if (rmMsg()) return   moveArrow()  rmCall(decode(target.href), refresh)} window.rename = (e, commit) => {  if (window.ro) return true  clearTimeout(window.clickToken)   if (!commit) {    window.clickToken = setTimeout(window.rename, 300, e, true)    return  }   const target = e.key ? getASelected() : getBtnA(e)  if (target.innerText === '../') return  const chg = prompt('rename to', target.innerText)  if (chg && !isDupe(chg)) {    mvCall(prependPath(target.innerText), prependPath(chg), refresh)  }} function aboveBelowRightin (el) {  const itemPos = el.getBoundingClientRect()  return itemPos.top < 0 ? -1 : itemPos.bottom > window.innerHeight ? 1 : 0} function scrollToArrow () {  const el = getASelected()  while (1) {    const pos = aboveBelowRightin(el)    if (pos === -1) {      scrollBy(0, -300)    } else if (pos === 1) {      scrollBy(0, 300)    } else {      break    }  }} function clearArrowSelected () {  const arr = getArrowSelected()  if (!arr) { return }  arr.classList.remove('arrow-selected')} window.setCursorTo = setCursorTofunction setCursorTo (where) {  if (!where) return false  clearArrowSelected()  let a = allA.find(el => el.innerText === where || el.innerText === where + '/')   if (!a) {    if (allA[0].innerText === '../') {      a = allA[1] || allA[0]    } else {      a = allA[0]    }  }   const icon = a.parentElement.parentElement.querySelectorAll('.arrow-icon')[0]  icon.classList.add('arrow-selected')  scrollToArrow()  storeArrow(where)  return true} function moveArrow (down) {  const all = Array.from(document.querySelectorAll('.arrow-icon'))  let i = all.findIndex(el => el.classList.contains('arrow-selected'))   clearArrowSelected()   if (down) {    i = all[i + 1] ? i + 1 : 0  } else {    i = all[i - 1] ? i - 1 : all.length - 1  }   all[i].classList.add('arrow-selected')  storeArrow(getASelected().innerText)  scrollToArrow()} const storeArrow = src => localStorage.setItem('last-selected' + window.extraPath + location.pathname, src) const isTop = () => window.scrollY === 0const isBottom = () => (window.innerHeight + window.scrollY) >= document.body.offsetHeightconst hasScroll = () => table.clientHeight > window.innerHeight function movePage (up) {  const current = getASelected().href   if (!hasScroll()) return

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