mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-25 01:45:15 +00:00
647 lines
15 KiB
JavaScript
647 lines
15 KiB
JavaScript
/*!
|
|
* serve-index
|
|
* Copyright(c) 2011 Sencha Inc.
|
|
* Copyright(c) 2011 TJ Holowaychuk
|
|
* Copyright(c) 2014-2015 Douglas Christopher Wilson
|
|
* MIT Licensed
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
/**
|
|
* Module dependencies.
|
|
* @private
|
|
*/
|
|
|
|
var accepts = require('accepts');
|
|
var createError = require('http-errors');
|
|
var debug = require('debug')('serve-index');
|
|
var escapeHtml = require('escape-html');
|
|
var fs = require('fs')
|
|
, path = require('path')
|
|
, normalize = path.normalize
|
|
, sep = path.sep
|
|
, extname = path.extname
|
|
, join = path.join;
|
|
var Batch = require('batch');
|
|
var mime = require('mime-types');
|
|
var parseUrl = require('parseurl');
|
|
var resolve = require('path').resolve;
|
|
|
|
/**
|
|
* Module exports.
|
|
* @public
|
|
*/
|
|
|
|
module.exports = serveIndex;
|
|
|
|
/*!
|
|
* Icon cache.
|
|
*/
|
|
|
|
var cache = {};
|
|
|
|
/*!
|
|
* Default template.
|
|
*/
|
|
|
|
var defaultTemplate = join(__dirname, 'public', 'directory.html');
|
|
|
|
/*!
|
|
* Stylesheet.
|
|
*/
|
|
|
|
var defaultStylesheet = join(__dirname, 'public', 'style.css');
|
|
|
|
/**
|
|
* Media types and the map for content negotiation.
|
|
*/
|
|
|
|
var mediaTypes = [
|
|
'text/html',
|
|
'text/plain',
|
|
'application/json'
|
|
];
|
|
|
|
var mediaType = {
|
|
'text/html': 'html',
|
|
'text/plain': 'plain',
|
|
'application/json': 'json'
|
|
};
|
|
|
|
/**
|
|
* Serve directory listings with the given `root` path.
|
|
*
|
|
* See Readme.md for documentation of options.
|
|
*
|
|
* @param {String} root
|
|
* @param {Object} options
|
|
* @return {Function} middleware
|
|
* @public
|
|
*/
|
|
|
|
function serveIndex(root, options) {
|
|
var opts = options || {};
|
|
|
|
// root required
|
|
if (!root) {
|
|
throw new TypeError('serveIndex() root path required');
|
|
}
|
|
|
|
// resolve root to absolute and normalize
|
|
var rootPath = normalize(resolve(root) + sep);
|
|
|
|
var filter = opts.filter;
|
|
var hidden = opts.hidden;
|
|
var icons = opts.icons;
|
|
var stylesheet = opts.stylesheet || defaultStylesheet;
|
|
var template = opts.template || defaultTemplate;
|
|
var view = opts.view || 'tiles';
|
|
|
|
return function (req, res, next) {
|
|
if (req.method !== 'GET' && req.method !== 'HEAD') {
|
|
res.statusCode = 'OPTIONS' === req.method ? 200 : 405;
|
|
res.setHeader('Allow', 'GET, HEAD, OPTIONS');
|
|
res.setHeader('Content-Length', '0');
|
|
res.end();
|
|
return;
|
|
}
|
|
|
|
// parse URLs
|
|
var url = parseUrl(req);
|
|
var originalUrl = parseUrl.original(req);
|
|
var dir = decodeURIComponent(url.pathname);
|
|
var originalDir = decodeURIComponent(originalUrl.pathname);
|
|
|
|
// join / normalize from root dir
|
|
var path = normalize(join(rootPath, dir));
|
|
|
|
// null byte(s), bad request
|
|
if (~path.indexOf('\0')) return next(createError(400));
|
|
|
|
// malicious path
|
|
if ((path + sep).substr(0, rootPath.length) !== rootPath) {
|
|
debug('malicious path "%s"', path);
|
|
return next(createError(403));
|
|
}
|
|
|
|
// determine ".." display
|
|
var showUp = normalize(resolve(path) + sep) !== rootPath;
|
|
|
|
// check if we have a directory
|
|
debug('stat "%s"', path);
|
|
fs.stat(path, function(err, stat){
|
|
if (err && err.code === 'ENOENT') {
|
|
return next();
|
|
}
|
|
|
|
if (err) {
|
|
err.status = err.code === 'ENAMETOOLONG'
|
|
? 414
|
|
: 500;
|
|
return next(err);
|
|
}
|
|
|
|
if (!stat.isDirectory()) return next();
|
|
|
|
// fetch files
|
|
debug('readdir "%s"', path);
|
|
fs.readdir(path, function(err, files){
|
|
if (err) return next(err);
|
|
if (!hidden) files = removeHidden(files);
|
|
if (filter) files = files.filter(function(filename, index, list) {
|
|
return filter(filename, index, list, path);
|
|
});
|
|
files.sort();
|
|
|
|
// content-negotiation
|
|
var accept = accepts(req);
|
|
var type = accept.type(mediaTypes);
|
|
|
|
// not acceptable
|
|
if (!type) return next(createError(406));
|
|
serveIndex[mediaType[type]](req, res, files, next, originalDir, showUp, icons, path, view, template, stylesheet);
|
|
});
|
|
});
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Respond with text/html.
|
|
*/
|
|
|
|
serveIndex.html = function _html(req, res, files, next, dir, showUp, icons, path, view, template, stylesheet) {
|
|
var render = typeof template !== 'function'
|
|
? createHtmlRender(template)
|
|
: template
|
|
|
|
if (showUp) {
|
|
files.unshift('..');
|
|
}
|
|
|
|
// stat all files
|
|
stat(path, files, function (err, stats) {
|
|
if (err) return next(err);
|
|
|
|
// combine the stats into the file list
|
|
var fileList = files.map(function (file, i) {
|
|
return { name: file, stat: stats[i] };
|
|
});
|
|
|
|
// sort file list
|
|
fileList.sort(fileSort);
|
|
|
|
// read stylesheet
|
|
fs.readFile(stylesheet, 'utf8', function (err, style) {
|
|
if (err) return next(err);
|
|
|
|
// create locals for rendering
|
|
var locals = {
|
|
directory: dir,
|
|
displayIcons: Boolean(icons),
|
|
fileList: fileList,
|
|
path: path,
|
|
style: style,
|
|
viewName: view
|
|
};
|
|
|
|
// render html
|
|
render(locals, function (err, body) {
|
|
if (err) return next(err);
|
|
send(res, 'text/html', body)
|
|
});
|
|
});
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Respond with application/json.
|
|
*/
|
|
|
|
serveIndex.json = function _json(req, res, files) {
|
|
send(res, 'application/json', JSON.stringify(files))
|
|
};
|
|
|
|
/**
|
|
* Respond with text/plain.
|
|
*/
|
|
|
|
serveIndex.plain = function _plain(req, res, files) {
|
|
send(res, 'text/plain', (files.join('\n') + '\n'))
|
|
};
|
|
|
|
/**
|
|
* Map html `files`, returning an html unordered list.
|
|
* @private
|
|
*/
|
|
|
|
function createHtmlFileList(files, dir, useIcons, view) {
|
|
var html = '<ul id="files" class="view-' + escapeHtml(view) + '">'
|
|
+ (view == 'details' ? (
|
|
'<li class="header">'
|
|
+ '<span class="name">Name</span>'
|
|
+ '<span class="size">Size</span>'
|
|
+ '<span class="date">Modified</span>'
|
|
+ '</li>') : '');
|
|
|
|
html += files.map(function (file) {
|
|
var classes = [];
|
|
var isDir = file.stat && file.stat.isDirectory();
|
|
var path = dir.split('/').map(function (c) { return encodeURIComponent(c); });
|
|
|
|
if (useIcons) {
|
|
classes.push('icon');
|
|
|
|
if (isDir) {
|
|
classes.push('icon-directory');
|
|
} else {
|
|
var ext = extname(file.name);
|
|
var icon = iconLookup(file.name);
|
|
|
|
classes.push('icon');
|
|
classes.push('icon-' + ext.substring(1));
|
|
|
|
if (classes.indexOf(icon.className) === -1) {
|
|
classes.push(icon.className);
|
|
}
|
|
}
|
|
}
|
|
|
|
path.push(encodeURIComponent(file.name));
|
|
|
|
var date = file.stat && file.name !== '..'
|
|
? file.stat.mtime.toLocaleDateString() + ' ' + file.stat.mtime.toLocaleTimeString()
|
|
: '';
|
|
var size = file.stat && !isDir
|
|
? file.stat.size
|
|
: '';
|
|
|
|
return '<li><a href="'
|
|
+ escapeHtml(normalizeSlashes(normalize(path.join('/'))))
|
|
+ '" class="' + escapeHtml(classes.join(' ')) + '"'
|
|
+ ' title="' + escapeHtml(file.name) + '">'
|
|
+ '<span class="name">' + escapeHtml(file.name) + '</span>'
|
|
+ '<span class="size">' + escapeHtml(size) + '</span>'
|
|
+ '<span class="date">' + escapeHtml(date) + '</span>'
|
|
+ '</a></li>';
|
|
}).join('\n');
|
|
|
|
html += '</ul>';
|
|
|
|
return html;
|
|
}
|
|
|
|
/**
|
|
* Create function to render html.
|
|
*/
|
|
|
|
function createHtmlRender(template) {
|
|
return function render(locals, callback) {
|
|
// read template
|
|
fs.readFile(template, 'utf8', function (err, str) {
|
|
if (err) return callback(err);
|
|
|
|
var body = str
|
|
.replace(/\{style\}/g, locals.style.concat(iconStyle(locals.fileList, locals.displayIcons)))
|
|
.replace(/\{files\}/g, createHtmlFileList(locals.fileList, locals.directory, locals.displayIcons, locals.viewName))
|
|
.replace(/\{directory\}/g, escapeHtml(locals.directory))
|
|
.replace(/\{linked-path\}/g, htmlPath(locals.directory));
|
|
|
|
callback(null, body);
|
|
});
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Sort function for with directories first.
|
|
*/
|
|
|
|
function fileSort(a, b) {
|
|
// sort ".." to the top
|
|
if (a.name === '..' || b.name === '..') {
|
|
return a.name === b.name ? 0
|
|
: a.name === '..' ? -1 : 1;
|
|
}
|
|
|
|
return Number(b.stat && b.stat.isDirectory()) - Number(a.stat && a.stat.isDirectory()) ||
|
|
String(a.name).toLocaleLowerCase().localeCompare(String(b.name).toLocaleLowerCase());
|
|
}
|
|
|
|
/**
|
|
* Map html `dir`, returning a linked path.
|
|
*/
|
|
|
|
function htmlPath(dir) {
|
|
var parts = dir.split('/');
|
|
var crumb = new Array(parts.length);
|
|
|
|
for (var i = 0; i < parts.length; i++) {
|
|
var part = parts[i];
|
|
|
|
if (part) {
|
|
parts[i] = encodeURIComponent(part);
|
|
crumb[i] = '<a href="' + escapeHtml(parts.slice(0, i + 1).join('/')) + '">' + escapeHtml(part) + '</a>';
|
|
}
|
|
}
|
|
|
|
return crumb.join(' / ');
|
|
}
|
|
|
|
/**
|
|
* Get the icon data for the file name.
|
|
*/
|
|
|
|
function iconLookup(filename) {
|
|
var ext = extname(filename);
|
|
|
|
// try by extension
|
|
if (icons[ext]) {
|
|
return {
|
|
className: 'icon-' + ext.substring(1),
|
|
fileName: icons[ext]
|
|
};
|
|
}
|
|
|
|
var mimetype = mime.lookup(ext);
|
|
|
|
// default if no mime type
|
|
if (mimetype === false) {
|
|
return {
|
|
className: 'icon-default',
|
|
fileName: icons.default
|
|
};
|
|
}
|
|
|
|
// try by mime type
|
|
if (icons[mimetype]) {
|
|
return {
|
|
className: 'icon-' + mimetype.replace('/', '-'),
|
|
fileName: icons[mimetype]
|
|
};
|
|
}
|
|
|
|
var suffix = mimetype.split('+')[1];
|
|
|
|
if (suffix && icons['+' + suffix]) {
|
|
return {
|
|
className: 'icon-' + suffix,
|
|
fileName: icons['+' + suffix]
|
|
};
|
|
}
|
|
|
|
var type = mimetype.split('/')[0];
|
|
|
|
// try by type only
|
|
if (icons[type]) {
|
|
return {
|
|
className: 'icon-' + type,
|
|
fileName: icons[type]
|
|
};
|
|
}
|
|
|
|
return {
|
|
className: 'icon-default',
|
|
fileName: icons.default
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Load icon images, return css string.
|
|
*/
|
|
|
|
function iconStyle(files, useIcons) {
|
|
if (!useIcons) return '';
|
|
var i;
|
|
var list = [];
|
|
var rules = {};
|
|
var selector;
|
|
var selectors = {};
|
|
var style = '';
|
|
|
|
for (i = 0; i < files.length; i++) {
|
|
var file = files[i];
|
|
|
|
var isDir = file.stat && file.stat.isDirectory();
|
|
var icon = isDir
|
|
? { className: 'icon-directory', fileName: icons.folder }
|
|
: iconLookup(file.name);
|
|
var iconName = icon.fileName;
|
|
|
|
selector = '#files .' + icon.className + ' .name';
|
|
|
|
if (!rules[iconName]) {
|
|
rules[iconName] = 'background-image: url(data:image/png;base64,' + load(iconName) + ');'
|
|
selectors[iconName] = [];
|
|
list.push(iconName);
|
|
}
|
|
|
|
if (selectors[iconName].indexOf(selector) === -1) {
|
|
selectors[iconName].push(selector);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < list.length; i++) {
|
|
iconName = list[i];
|
|
style += selectors[iconName].join(',\n') + ' {\n ' + rules[iconName] + '\n}\n';
|
|
}
|
|
|
|
return style;
|
|
}
|
|
|
|
/**
|
|
* Load and cache the given `icon`.
|
|
*
|
|
* @param {String} icon
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
function load(icon) {
|
|
if (cache[icon]) return cache[icon];
|
|
return cache[icon] = fs.readFileSync(__dirname + '/public/icons/' + icon, 'base64');
|
|
}
|
|
|
|
/**
|
|
* Normalizes the path separator from system separator
|
|
* to URL separator, aka `/`.
|
|
*
|
|
* @param {String} path
|
|
* @return {String}
|
|
* @api private
|
|
*/
|
|
|
|
function normalizeSlashes(path) {
|
|
return path.split(sep).join('/');
|
|
};
|
|
|
|
/**
|
|
* Filter "hidden" `files`, aka files
|
|
* beginning with a `.`.
|
|
*
|
|
* @param {Array} files
|
|
* @return {Array}
|
|
* @api private
|
|
*/
|
|
|
|
function removeHidden(files) {
|
|
return files.filter(function(file){
|
|
return '.' != file[0];
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Send a response.
|
|
* @private
|
|
*/
|
|
|
|
function send (res, type, body) {
|
|
// security header for content sniffing
|
|
res.setHeader('X-Content-Type-Options', 'nosniff')
|
|
|
|
// standard headers
|
|
res.setHeader('Content-Type', type + '; charset=utf-8')
|
|
res.setHeader('Content-Length', Buffer.byteLength(body, 'utf8'))
|
|
|
|
// body
|
|
res.end(body, 'utf8')
|
|
}
|
|
|
|
/**
|
|
* Stat all files and return array of stat
|
|
* in same order.
|
|
*/
|
|
|
|
function stat(dir, files, cb) {
|
|
var batch = new Batch();
|
|
|
|
batch.concurrency(10);
|
|
|
|
files.forEach(function(file){
|
|
batch.push(function(done){
|
|
fs.stat(join(dir, file), function(err, stat){
|
|
if (err && err.code !== 'ENOENT') return done(err);
|
|
|
|
// pass ENOENT as null stat, not error
|
|
done(null, stat || null);
|
|
});
|
|
});
|
|
});
|
|
|
|
batch.end(cb);
|
|
}
|
|
|
|
/**
|
|
* Icon map.
|
|
*/
|
|
|
|
var icons = {
|
|
// base icons
|
|
'default': 'page_white.png',
|
|
'folder': 'folder.png',
|
|
|
|
// generic mime type icons
|
|
'image': 'image.png',
|
|
'text': 'page_white_text.png',
|
|
'video': 'film.png',
|
|
|
|
// generic mime suffix icons
|
|
'+json': 'page_white_code.png',
|
|
'+xml': 'page_white_code.png',
|
|
'+zip': 'box.png',
|
|
|
|
// specific mime type icons
|
|
'application/font-woff': 'font.png',
|
|
'application/javascript': 'page_white_code_red.png',
|
|
'application/json': 'page_white_code.png',
|
|
'application/msword': 'page_white_word.png',
|
|
'application/pdf': 'page_white_acrobat.png',
|
|
'application/postscript': 'page_white_vector.png',
|
|
'application/rtf': 'page_white_word.png',
|
|
'application/vnd.ms-excel': 'page_white_excel.png',
|
|
'application/vnd.ms-powerpoint': 'page_white_powerpoint.png',
|
|
'application/vnd.oasis.opendocument.presentation': 'page_white_powerpoint.png',
|
|
'application/vnd.oasis.opendocument.spreadsheet': 'page_white_excel.png',
|
|
'application/vnd.oasis.opendocument.text': 'page_white_word.png',
|
|
'application/x-7z-compressed': 'box.png',
|
|
'application/x-sh': 'application_xp_terminal.png',
|
|
'application/x-font-ttf': 'font.png',
|
|
'application/x-msaccess': 'page_white_database.png',
|
|
'application/x-shockwave-flash': 'page_white_flash.png',
|
|
'application/x-sql': 'page_white_database.png',
|
|
'application/x-tar': 'box.png',
|
|
'application/x-xz': 'box.png',
|
|
'application/xml': 'page_white_code.png',
|
|
'application/zip': 'box.png',
|
|
'image/svg+xml': 'page_white_vector.png',
|
|
'text/css': 'page_white_code.png',
|
|
'text/html': 'page_white_code.png',
|
|
'text/less': 'page_white_code.png',
|
|
|
|
// other, extension-specific icons
|
|
'.accdb': 'page_white_database.png',
|
|
'.apk': 'box.png',
|
|
'.app': 'application_xp.png',
|
|
'.as': 'page_white_actionscript.png',
|
|
'.asp': 'page_white_code.png',
|
|
'.aspx': 'page_white_code.png',
|
|
'.bat': 'application_xp_terminal.png',
|
|
'.bz2': 'box.png',
|
|
'.c': 'page_white_c.png',
|
|
'.cab': 'box.png',
|
|
'.cfm': 'page_white_coldfusion.png',
|
|
'.clj': 'page_white_code.png',
|
|
'.cc': 'page_white_cplusplus.png',
|
|
'.cgi': 'application_xp_terminal.png',
|
|
'.cpp': 'page_white_cplusplus.png',
|
|
'.cs': 'page_white_csharp.png',
|
|
'.db': 'page_white_database.png',
|
|
'.dbf': 'page_white_database.png',
|
|
'.deb': 'box.png',
|
|
'.dll': 'page_white_gear.png',
|
|
'.dmg': 'drive.png',
|
|
'.docx': 'page_white_word.png',
|
|
'.erb': 'page_white_ruby.png',
|
|
'.exe': 'application_xp.png',
|
|
'.fnt': 'font.png',
|
|
'.gam': 'controller.png',
|
|
'.gz': 'box.png',
|
|
'.h': 'page_white_h.png',
|
|
'.ini': 'page_white_gear.png',
|
|
'.iso': 'cd.png',
|
|
'.jar': 'box.png',
|
|
'.java': 'page_white_cup.png',
|
|
'.jsp': 'page_white_cup.png',
|
|
'.lua': 'page_white_code.png',
|
|
'.lz': 'box.png',
|
|
'.lzma': 'box.png',
|
|
'.m': 'page_white_code.png',
|
|
'.map': 'map.png',
|
|
'.msi': 'box.png',
|
|
'.mv4': 'film.png',
|
|
'.otf': 'font.png',
|
|
'.pdb': 'page_white_database.png',
|
|
'.php': 'page_white_php.png',
|
|
'.pl': 'page_white_code.png',
|
|
'.pkg': 'box.png',
|
|
'.pptx': 'page_white_powerpoint.png',
|
|
'.psd': 'page_white_picture.png',
|
|
'.py': 'page_white_code.png',
|
|
'.rar': 'box.png',
|
|
'.rb': 'page_white_ruby.png',
|
|
'.rm': 'film.png',
|
|
'.rom': 'controller.png',
|
|
'.rpm': 'box.png',
|
|
'.sass': 'page_white_code.png',
|
|
'.sav': 'controller.png',
|
|
'.scss': 'page_white_code.png',
|
|
'.srt': 'page_white_text.png',
|
|
'.tbz2': 'box.png',
|
|
'.tgz': 'box.png',
|
|
'.tlz': 'box.png',
|
|
'.vb': 'page_white_code.png',
|
|
'.vbs': 'page_white_code.png',
|
|
'.xcf': 'page_white_picture.png',
|
|
'.xlsx': 'page_white_excel.png',
|
|
'.yaws': 'page_white_code.png'
|
|
};
|