jQuery-File-Upload Express.js middleware. Based on the server code of jQuery-File-Upload
Installation:
$ npm install jquery-file-upload-middleware
Usage:
var express = require("express"),
upload = require('jquery-file-upload-middleware');
var app = express();
// configure upload middleware
upload.configure({
uploadDir: __dirname + '/public/uploads',
uploadUrl: '/uploads',
imageVersions: {
thumbnail: {
width: 80,
height: 80
}
}
});
app.configure(function () {
...
app.use('/upload', upload.fileHandler());
app.use(express.bodyParser());
...
});On the frontend:
<input id="fileupload" type="file" name="files[]" data-url="/upload" multiple>
<script>$('#fileupload').fileupload({ dataType: 'json' })</script>To prevent access to /upload except for post (for security)
upload.configure({
uploadDir: __dirname + '/public/uploads/',
uploadUrl: '/uploads'
});
/// Redirect all to home except post
app.get('/upload', function( req, res ){
res.redirect('/');
});
app.put('/upload', function( req, res ){
res.redirect('/');
});
app.delete('/upload', function( req, res ){
res.redirect('/');
});
app.use('/upload', function(req, res, next){
upload.fileHandler({
uploadDir: function () {
return __dirname + '/public/uploads/'
},
uploadUrl: function () {
return '/uploads'
}
})(req, res, next);
});Overriding global configuration
app.use('/upload2', upload.fileHandler({
uploadDir: __dirname + '/public/uploads2',
uploadUrl: '/uploads2',
imageVersions: {
thumbnail: {
width: 100,
height: 100
}
}
}));More sophisticated example - Events
app.use('/upload', upload.fileHandler());
// events
upload.on('begin', function (fileInfo, req, res) {
// fileInfo structure is the same as returned to browser
// {
// name: '3 (3).jpg',
// originalName: '3.jpg',
// size: 79262,
// type: 'image/jpeg',
// delete_type: 'DELETE',
// delete_url: 'http://yourhost/upload/3%20(3).jpg',
// url: 'http://yourhost/uploads/3%20(3).jpg',
// thumbnail_url: 'http://youhost/uploads/thumbnail/3%20(3).jpg'
// }
});
upload.on('abort', function (fileInfo, req, res) { ... });
upload.on('end', function (fileInfo, req, res) { ... });
upload.on('delete', function (fileInfo, req, res) { ... });
upload.on('error', function (e, req, res) {
console.log(e.message);
});Dynamic upload directory and url, isolating user files:
upload.configure({
imageVersions: {
thumbnail: {
width: 80,
height: 80
}
}
});
app.use('/upload', function (req, res, next) {
// imageVersions are taken from upload.configure()
upload.fileHandler({
uploadDir: function () {
return __dirname + '/public/uploads/' + req.sessionID
},
uploadUrl: function () {
return '/uploads/' + req.sessionID
}
})(req, res, next);
});Moving uploaded files to different dir:
app.use('/api', function (req, res, next) {
req.filemanager = upload.fileManager();
next();
});
app.use('/api/endpoint', function (req, res, next) {
// your real /api handler that will actually move the file
...
// req.filemanager.move(filename, path, function (err, result))
req.filemanager.move('SomeFile.jpg', 'project1', function (err, result) {
// SomeFile.jpg gets moved from uploadDir/SomeFile.jpg to
// uploadDir/project1/SomeFile.jpg
// if path is relative (no leading slash), uploadUrl will
// be used to generate relevant urls,
// for absolute paths urls are not generated
if (!err) {
// result structure
// {
// filename: 'SomeFile.jpg',
// url: '/uploads/project1/SomeFile.jpg',
// thumbail_url : '/uploads/project1/thumbnail/SomeFile.jpg'
// }
...
} else {
console.log(err);
}
});
});Moving uploaded files out of uploadDir:
app.use('/api', function (req, res, next) {
var user = db.find(...);
req.filemanager = upload.fileManager({
targetDir: __dirname + '/public/u/' + user._id,
targetUrl: '/u/' + user._id,
});
// or
req.filemanager = upload.fileManager({
targetDir: function () {
return __dirname + '/public/u/' + user._id
},
targetUrl: function () {
return'/u/' + user._id
}
});
...
req.filemanager.move(req.body.filename, 'profile', function (err, result) {
// file gets moved to __dirname + '/public/u/' + user._id + '/profile'
if (!err) {
}
});
});
Getting uploaded files mapped to their fs locations:
app.use('/list', function (req, res, next) {
upload.fileManager().getFiles(function (files) {
// {
// "00001.MTS": {
// "path": "/home/.../public/uploads/ekE6k4j9PyrGtcg+SA6a5za3/00001.MTS"
// },
// "DSC00030.JPG": {
// "path": "/home/.../public/uploads/ekE6k4j9PyrGtcg+SA6a5za3/DSC00030.JPG",
// "thumbnail": "/home/.../public/uploads/ekE6k4j9PyrGtcg+SA6a5za3/thumbnail/DSC00030.JPG"
// }
// }
res.json(files);
});
});
// with dynamic upload directories
app.use('/list', function (req, res, next) {
upload.fileManager({
uploadDir: function () {
return __dirname + '/public/uploads/' + req.sessionID
},
uploadUrl: function () {
return '/uploads/' + req.sessionID
}
}).getFiles(function (files) {
res.json(files);
});
});Other options and their default values:
{
tmpDir: '/tmp',
uploadDir: __dirname + '/public/uploads',
uploadUrl: '/uploads',
targetDir: uploadDir,
targetUrl: uploadUrl,
ssl: false,
hostname: null, // in case your reverse proxy doesn't set Host header
// eg 'google.com'
maxPostSize: 11000000000, // 11 GB
minFileSize: 1,
maxFileSize: 10000000000, // 10 GB
acceptFileTypes: /.+/i,
imageTypes: /\.(gif|jpe?g|png)$/i,
imageVersions: {
thumbnail: {
width: 80,
height: 80
}
},
imageArgs: ['-auto-orient'],
accessControl: {
allowOrigin: '*',
allowMethods: 'OPTIONS, HEAD, GET, POST, PUT, DELETE'
}
}Copyright (c) 2012 Aleksandr Guidrevitch Released under the MIT license.