dufs/assets/index.js
2023-02-21 08:14:03 +08:00

647 lines
20 KiB
JavaScript

/**
* @typedef {object} PathItem
* @property {"Dir"|"SymlinkDir"|"File"|"SymlinkFile"} path_type
* @property {string} name
* @property {number} mtime
* @property {number} size
*/
/**
* @typedef {object} DATA
* @property {string} href
* @property {string} uri_prefix
* @property {"Index" | "Edit"} kind
* @property {PathItem[]} paths
* @property {boolean} allow_upload
* @property {boolean} allow_delete
* @property {boolean} allow_search
* @property {boolean} allow_archive
* @property {boolean} dir_exists
* @property {string} editable
*/
/**
* @type {DATA} DATA
*/
var DATA;
/**
* @type {PARAMS}
* @typedef {object} PARAMS
* @property {string} q
* @property {string} sort
* @property {string} order
*/
const PARAMS = Object.fromEntries(new URLSearchParams(window.location.search).entries());
const dirEmptyNote = PARAMS.q ? 'No results' : DATA.dir_exists ? 'Empty folder' : 'Folder will be created when a file is uploaded';
const ICONS = {
dir: `<svg height="16" viewBox="0 0 14 16" width="14"><path fill-rule="evenodd" d="M13 4H7V3c0-.66-.31-1-1-1H1c-.55 0-1 .45-1 1v10c0 .55.45 1 1 1h12c.55 0 1-.45 1-1V5c0-.55-.45-1-1-1zM6 4H1V3h5v1z"></path></svg>`,
symlinkFile: `<svg height="16" viewBox="0 0 12 16" width="12"><path fill-rule="evenodd" d="M8.5 1H1c-.55 0-1 .45-1 1v12c0 .55.45 1 1 1h10c.55 0 1-.45 1-1V4.5L8.5 1zM11 14H1V2h7l3 3v9zM6 4.5l4 3-4 3v-2c-.98-.02-1.84.22-2.55.7-.71.48-1.19 1.25-1.45 2.3.02-1.64.39-2.88 1.13-3.73.73-.84 1.69-1.27 2.88-1.27v-2H6z"></path></svg>`,
symlinkDir: `<svg height="16" viewBox="0 0 14 16" width="14"><path fill-rule="evenodd" d="M13 4H7V3c0-.66-.31-1-1-1H1c-.55 0-1 .45-1 1v10c0 .55.45 1 1 1h12c.55 0 1-.45 1-1V5c0-.55-.45-1-1-1zM1 3h5v1H1V3zm6 9v-2c-.98-.02-1.84.22-2.55.7-.71.48-1.19 1.25-1.45 2.3.02-1.64.39-2.88 1.13-3.73C4.86 8.43 5.82 8 7.01 8V6l4 3-4 3H7z"></path></svg>`,
file: `<svg height="16" viewBox="0 0 12 16" width="12"><path fill-rule="evenodd" d="M6 5H2V4h4v1zM2 8h7V7H2v1zm0 2h7V9H2v1zm0 2h7v-1H2v1zm10-7.5V14c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1V2c0-.55.45-1 1-1h7.5L12 4.5zM11 5L8 2H1v12h10V5z"></path></svg>`,
download: `<svg width="16" height="16" viewBox="0 0 16 16"><path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/><path d="M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z"/></svg>`,
move: `<svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M1.5 1.5A.5.5 0 0 0 1 2v4.8a2.5 2.5 0 0 0 2.5 2.5h9.793l-3.347 3.346a.5.5 0 0 0 .708.708l4.2-4.2a.5.5 0 0 0 0-.708l-4-4a.5.5 0 0 0-.708.708L13.293 8.3H3.5A1.5 1.5 0 0 1 2 6.8V2a.5.5 0 0 0-.5-.5z"/></svg>`,
edit: `<svg width="16" height="16" viewBox="0 0 16 16"><path d="M12.146.146a.5.5 0 0 1 .708 0l3 3a.5.5 0 0 1 0 .708l-10 10a.5.5 0 0 1-.168.11l-5 2a.5.5 0 0 1-.65-.65l2-5a.5.5 0 0 1 .11-.168l10-10zM11.207 2.5 13.5 4.793 14.793 3.5 12.5 1.207 11.207 2.5zm1.586 3L10.5 3.207 4 9.707V10h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.293l6.5-6.5zm-9.761 5.175-.106.106-1.528 3.821 3.821-1.528.106-.106A.5.5 0 0 1 5 12.5V12h-.5a.5.5 0 0 1-.5-.5V11h-.5a.5.5 0 0 1-.468-.325z"/></svg>`,
delete: `<svg width="16" height="16" fill="currentColor"viewBox="0 0 16 16"><path d="M6.854 7.146a.5.5 0 1 0-.708.708L7.293 9l-1.147 1.146a.5.5 0 0 0 .708.708L8 9.707l1.146 1.147a.5.5 0 0 0 .708-.708L8.707 9l1.147-1.146a.5.5 0 0 0-.708-.708L8 8.293 6.854 7.146z"/><path d="M14 14V4.5L9.5 0H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h8a2 2 0 0 0 2-2zM9.5 3A1.5 1.5 0 0 0 11 4.5h2V14a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1h5.5v2z"/></svg>`,
}
/**
* @type Element
*/
let $pathsTable;
/**
* @type Element
*/
let $pathsTableHead;
/**
* @type Element
*/
let $pathsTableBody;
/**
* @type Element
*/
let $uploadersTable;
/**
* @type Element
*/
let $emptyFolder;
/**
* @type Element
*/
let $editor;
function ready() {
$pathsTable = document.querySelector(".paths-table")
$pathsTableHead = document.querySelector(".paths-table thead");
$pathsTableBody = document.querySelector(".paths-table tbody");
$uploadersTable = document.querySelector(".uploaders-table");
$emptyFolder = document.querySelector(".empty-folder");
$editor = document.querySelector(".editor");
addBreadcrumb(DATA.href, DATA.uri_prefix);
if (DATA.kind == "Index") {
document.title = `Index of ${DATA.href} - Dufs`;
document.querySelector(".index-page").classList.remove("hidden");
if (DATA.allow_search) {
setupSearch()
}
if (DATA.allow_archive) {
document.querySelector(".zip-root").classList.remove("hidden");
}
renderPathsTableHead();
renderPathsTableBody();
if (DATA.allow_upload) {
dropzone();
setupUpload();
}
} else if (DATA.kind == "Edit") {
document.title = `Edit of ${DATA.href} - Dufs`;
setupEditor();
}
}
class Uploader {
/**
*
* @param {File} file
* @param {string[]} dirs
*/
constructor(file, dirs) {
/**
* @type Element
*/
this.$uploadStatus = null
this.uploaded = 0;
this.lastUptime = 0;
this.name = [...dirs, file.name].join("/");
this.idx = Uploader.globalIdx++;
this.file = file;
}
upload() {
const { idx, name } = this;
const url = newUrl(name);
const encodedName = encodedStr(name);
$uploadersTable.insertAdjacentHTML("beforeend", `
<tr id="upload${idx}" class="uploader">
<td class="path cell-icon">
${getPathSvg()}
</td>
<td class="path cell-name">
<a href="${url}">${encodedName}</a>
</td>
<td class="cell-status upload-status" id="uploadStatus${idx}"></td>
</tr>`);
$uploadersTable.classList.remove("hidden");
$emptyFolder.classList.add("hidden");
this.$uploadStatus = document.getElementById(`uploadStatus${idx}`);
this.$uploadStatus.innerHTML = '-';
Uploader.queues.push(this);
Uploader.runQueue();
}
ajax() {
Uploader.runnings += 1;
const url = newUrl(this.name);
this.lastUptime = Date.now();
const ajax = new XMLHttpRequest();
ajax.upload.addEventListener("progress", e => this.progress(e), false);
ajax.addEventListener("readystatechange", () => {
if (ajax.readyState === 4) {
if (ajax.status >= 200 && ajax.status < 300) {
this.complete();
} else {
this.fail();
}
}
})
ajax.addEventListener("error", () => this.fail(), false);
ajax.addEventListener("abort", () => this.fail(), false);
ajax.open("PUT", url);
ajax.send(this.file);
}
progress(event) {
const now = Date.now();
const speed = (event.loaded - this.uploaded) / (now - this.lastUptime) * 1000;
const [speedValue, speedUnit] = formatSize(speed);
const speedText = `${speedValue}${speedUnit.toLowerCase()}/s`;
const progress = formatPercent((event.loaded / event.total) * 100);
const duration = formatDuration((event.total - event.loaded) / speed)
this.$uploadStatus.innerHTML = `<span>${speedText}</span><span>${progress}</span><span>${duration}</span>`;
this.uploaded = event.loaded;
this.lastUptime = now;
}
complete() {
this.$uploadStatus.innerHTML = ``;
Uploader.runnings -= 1;
Uploader.runQueue();
}
fail() {
this.$uploadStatus.innerHTML = ``;
Uploader.runnings -= 1;
Uploader.runQueue();
}
}
Uploader.globalIdx = 0;
Uploader.runnings = 0;
/**
* @type Uploader[]
*/
Uploader.queues = [];
Uploader.runQueue = () => {
if (Uploader.runnings > 2) return;
let uploader = Uploader.queues.shift();
if (!uploader) return;
uploader.ajax();
}
/**
* Add breadcrumb
* @param {string} href
* @param {string} uri_prefix
*/
function addBreadcrumb(href, uri_prefix) {
const $breadcrumb = document.querySelector(".breadcrumb");
let parts = [];
if (href === "/") {
parts = [""];
} else {
parts = href.split("/");
}
const len = parts.length;
let path = uri_prefix;
for (let i = 0; i < len; i++) {
const name = parts[i];
if (i > 0) {
if (!path.endsWith("/")) {
path += "/";
}
path += encodeURIComponent(name);
}
const encodedName = encodedStr(name);
if (i === 0) {
$breadcrumb.insertAdjacentHTML("beforeend", `<a href="${path}"><svg width="16" height="16" viewBox="0 0 16 16"><path d="M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5z"/></svg></a>`);
} else if (i === len - 1) {
$breadcrumb.insertAdjacentHTML("beforeend", `<b>${encodedName}</b>`);
} else {
$breadcrumb.insertAdjacentHTML("beforeend", `<a href="${path}">${encodedName}</a>`);
}
if (i !== len - 1) {
$breadcrumb.insertAdjacentHTML("beforeend", `<span class="separator">/</span>`);
}
}
}
/**
* Render path table thead
*/
function renderPathsTableHead() {
const headerItems = [
{
name: "name",
props: `colspan="2"`,
text: "Name",
},
{
name: "mtime",
props: ``,
text: "Last Modified",
},
{
name: "size",
props: ``,
text: "Size",
}
];
$pathsTableHead.insertAdjacentHTML("beforeend", `
<tr>
${headerItems.map(item => {
let svg = `<svg width="12" height="12" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M11.5 15a.5.5 0 0 0 .5-.5V2.707l3.146 3.147a.5.5 0 0 0 .708-.708l-4-4a.5.5 0 0 0-.708 0l-4 4a.5.5 0 1 0 .708.708L11 2.707V14.5a.5.5 0 0 0 .5.5zm-7-14a.5.5 0 0 1 .5.5v11.793l3.146-3.147a.5.5 0 0 1 .708.708l-4 4a.5.5 0 0 1-.708 0l-4-4a.5.5 0 0 1 .708-.708L4 13.293V1.5a.5.5 0 0 1 .5-.5z"/></svg>`;
let order = "asc";
if (PARAMS.sort === item.name) {
if (PARAMS.order === "asc") {
order = "desc";
svg = `<svg width="12" height="12" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8 15a.5.5 0 0 0 .5-.5V2.707l3.146 3.147a.5.5 0 0 0 .708-.708l-4-4a.5.5 0 0 0-.708 0l-4 4a.5.5 0 1 0 .708.708L7.5 2.707V14.5a.5.5 0 0 0 .5.5z"/></svg>`
} else {
svg = `<svg width="12" height="12" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8 1a.5.5 0 0 1 .5.5v11.793l3.146-3.147a.5.5 0 0 1 .708.708l-4 4a.5.5 0 0 1-.708 0l-4-4a.5.5 0 0 1 .708-.708L7.5 13.293V1.5A.5.5 0 0 1 8 1z"/></svg>`
}
}
const qs = new URLSearchParams({ ...PARAMS, order, sort: item.name }).toString();
const icon = `<span>${svg}</span>`
return `<th class="cell-${item.name}" ${item.props}><a href="?${qs}">${item.text}${icon}</a></th>`
}).join("\n")}
<th class="cell-actions">Actions</th>
</tr>
`);
}
/**
* Render path table tbody
*/
function renderPathsTableBody() {
if (DATA.paths && DATA.paths.length > 0) {
const len = DATA.paths.length;
if (len > 0) {
$pathsTable.classList.remove("hidden");
}
for (let i = 0; i < len; i++) {
addPath(DATA.paths[i], i);
}
} else {
$emptyFolder.textContent = dirEmptyNote;
$emptyFolder.classList.remove("hidden");
}
}
/**
* Add pathitem
* @param {PathItem} file
* @param {number} index
*/
function addPath(file, index) {
const encodedName = encodedStr(file.name);
let url = newUrl(file.name)
let actionDelete = "";
let actionDownload = "";
let actionMove = "";
let actionEdit = "";
let isDir = file.path_type.endsWith("Dir");
if (isDir) {
url += "/";
if (DATA.allow_archive) {
actionDownload = `
<div class="action-btn">
<a href="${url}?zip" title="Download folder as a .zip file">${ICONS.download}</a>
</div>`;
}
} else {
actionDownload = `
<div class="action-btn" >
<a href="${url}" title="Download file" download>${ICONS.download}</a>
</div>`;
}
if (DATA.allow_delete) {
if (DATA.allow_upload) {
actionMove = `<div onclick="movePath(${index})" class="action-btn" id="moveBtn${index}" title="Move to new path">${ICONS.move}</div>`;
if (!isDir) {
actionEdit = `<a class="action-btn" title="Edit file" target="_blank" href="${url}?edit">${ICONS.edit}</a>`;
}
}
actionDelete = `
<div onclick="deletePath(${index})" class="action-btn" id="deleteBtn${index}" title="Delete">${ICONS.delete}</div>`;
}
let actionCell = `
<td class="cell-actions">
${actionDownload}
${actionMove}
${actionDelete}
${actionEdit}
</td>`
$pathsTableBody.insertAdjacentHTML("beforeend", `
<tr id="addPath${index}">
<td class="path cell-icon">
${getPathSvg(file.path_type)}
</td>
<td class="path cell-name">
<a href="${url}">${encodedName}</a>
</td>
<td class="cell-mtime">${formatMtime(file.mtime)}</td>
<td class="cell-size">${formatSize(file.size).join(" ")}</td>
${actionCell}
</tr>`)
}
/**
* Delete path
* @param {number} index
* @returns
*/
async function deletePath(index) {
const file = DATA.paths[index];
if (!file) return;
if (!confirm(`Delete \`${file.name}\`?`)) return;
try {
const res = await fetch(newUrl(file.name), {
method: "DELETE",
});
await assertFetch(res);
document.getElementById(`addPath${index}`).remove();
DATA.paths[index] = null;
if (!DATA.paths.find(v => !!v)) {
$pathsTable.classList.add("hidden");
$emptyFolder.textContent = dirEmptyNote;
$emptyFolder.classList.remove("hidden");
}
} catch (err) {
alert(`Cannot delete \`${file.name}\`, ${err.message}`);
}
}
/**
* Move path
* @param {number} index
* @returns
*/
async function movePath(index) {
const file = DATA.paths[index];
if (!file) return;
const fileUrl = newUrl(file.name);
const fileUrlObj = new URL(fileUrl)
const prefix = DATA.uri_prefix.slice(0, -1);
const filePath = decodeURIComponent(fileUrlObj.pathname.slice(prefix.length));
let newPath = prompt("Enter new path", filePath)
if (!newPath) return;
if (!newPath.startsWith("/")) newPath = "/" + newPath;
if (filePath === newPath) return;
const newFileUrl = fileUrlObj.origin + prefix + newPath.split("/").map(encodeURIComponent).join("/");
try {
const res = await fetch(fileUrl, {
method: "MOVE",
headers: {
"Destination": newFileUrl,
}
});
await assertFetch(res);
location.href = newFileUrl.split("/").slice(0, -1).join("/")
} catch (err) {
alert(`Cannot move \`${filePath}\` to \`${newPath}\`, ${err.message}`);
}
}
function dropzone() {
["drag", "dragstart", "dragend", "dragover", "dragenter", "dragleave", "drop"].forEach(name => {
document.addEventListener(name, e => {
e.preventDefault();
e.stopPropagation();
});
});
document.addEventListener("drop", e => {
if (!e.dataTransfer.items[0].webkitGetAsEntry) {
const files = e.dataTransfer.files.filter(v => v.size > 0);
for (const file of files) {
new Uploader(file, []).upload();
}
} else {
const entries = [];
const len = e.dataTransfer.items.length;
for (let i = 0; i < len; i++) {
entries.push(e.dataTransfer.items[i].webkitGetAsEntry());
}
addFileEntries(entries, [])
}
});
}
/**
* Setup searchbar
*/
function setupSearch() {
const $searchbar = document.querySelector(".searchbar");
$searchbar.classList.remove("hidden");
$searchbar.addEventListener("submit", event => {
event.preventDefault();
const formData = new FormData($searchbar);
const q = formData.get("q");
let href = baseUrl();
if (q) {
href += "?q=" + q;
}
location.href = href;
});
if (PARAMS.q) {
document.getElementById('search').value = PARAMS.q;
}
}
function setupUpload() {
const $newFolder = document.querySelector(".new-folder");
$newFolder.classList.remove("hidden");
$newFolder.addEventListener("click", () => {
const name = prompt("Enter folder name");
if (name) createFolder(name);
});
document.querySelector(".upload-file").classList.remove("hidden");
document.getElementById("file").addEventListener("change", e => {
const files = e.target.files;
for (let file of files) {
new Uploader(file, []).upload();
}
});
}
async function setupEditor() {
document.querySelector(".editor-page").classList.remove("hidden");;
const $download = document.querySelector(".download")
$download.classList.remove("hidden");
$download.href = baseUrl()
if (!DATA.editable) {
const $notEditable = document.querySelector(".not-editable");
$notEditable.classList.remove("hidden");
$notEditable.textContent = "Cannot edit file because it is too large or binary.";
return;
}
const $saveBtn = document.querySelector(".save-btn");
$saveBtn.classList.remove("hidden");
$saveBtn.addEventListener("click", saveChange);
$editor.classList.remove("hidden");
try {
const res = await fetch(baseUrl());
await assertFetch(res);
const text = await res.text();
$editor.value = text;
} catch (err) {
alert(`Failed get file, ${err.message}`);
}
}
/**
* Save editor change
*/
async function saveChange() {
try {
await fetch(baseUrl(), {
method: "PUT",
body: $editor.value,
});
} catch (err) {
alert(`Failed to save file, ${err.message}`);
}
}
/**
* Create a folder
* @param {string} name
*/
async function createFolder(name) {
const url = newUrl(name);
try {
const res = await fetch(url, {
method: "MKCOL",
});
await assertFetch(res);
location.href = url;
} catch (err) {
alert(`Cannot create folder \`${name}\`, ${err.message}`);
}
}
async function addFileEntries(entries, dirs) {
for (const entry of entries) {
if (entry.isFile) {
entry.file(file => {
new Uploader(file, dirs).upload();
});
} else if (entry.isDirectory) {
const dirReader = entry.createReader()
dirReader.readEntries(entries => addFileEntries(entries, [...dirs, entry.name]));
}
}
}
function newUrl(name) {
let url = baseUrl();
if (!url.endsWith("/")) url += "/";
url += name.split("/").map(encodeURIComponent).join("/");
return url;
}
function baseUrl() {
return location.href.split('?')[0];
}
function getPathSvg(path_type) {
switch (path_type) {
case "Dir":
return ICONS.dir;
case "SymlinkFile":
return ICONS.symlinkFile;
case "SymlinkDir":
return ICONS.symlinkDir;
default:
return ICONS.file;
}
}
function formatMtime(mtime) {
if (!mtime) return ""
const date = new Date(mtime);
const year = date.getFullYear();
const month = padZero(date.getMonth() + 1, 2);
const day = padZero(date.getDate(), 2);
const hours = padZero(date.getHours(), 2);
const minutes = padZero(date.getMinutes(), 2);
return `${year}-${month}-${day} ${hours}:${minutes}`;
}
function padZero(value, size) {
return ("0".repeat(size) + value).slice(-1 * size)
}
function formatSize(size) {
if (size == null) return []
const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
if (size == 0) return [0, "B"];
const i = parseInt(Math.floor(Math.log(size) / Math.log(1024)));
return [Math.round(size / Math.pow(1024, i), 2), sizes[i]];
}
function formatDuration(seconds) {
seconds = Math.ceil(seconds);
const h = Math.floor(seconds / 3600);
const m = Math.floor((seconds - h * 3600) / 60);
const s = seconds - h * 3600 - m * 60
return `${padZero(h, 2)}:${padZero(m, 2)}:${padZero(s, 2)}`;
}
function formatPercent(percent) {
if (percent > 10) {
return percent.toFixed(1) + "%";
} else {
return percent.toFixed(2) + "%";
}
}
function encodedStr(rawStr) {
return rawStr.replace(/[\u00A0-\u9999<>\&]/g, function (i) {
return '&#' + i.charCodeAt(0) + ';';
});
}
async function assertFetch(res) {
if (!(res.status >= 200 && res.status < 300)) {
throw new Error(await res.text())
}
}