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authorSem <sembrestels@riseup.net>2012-07-29 10:15:17 +0200
committerSem <sembrestels@riseup.net>2012-07-29 10:15:17 +0200
commitd00e34131d6177f6d22eb3cf32c50216820aafba (patch)
tree8adfab83855f19bc1de2273216707da99bec9c1d /vendors/jquery-file-upload/server/node/server.js
parent24ff6662195222479b4d83d41fa89edc8a3c05d1 (diff)
downloadelgg-d00e34131d6177f6d22eb3cf32c50216820aafba.tar.gz
elgg-d00e34131d6177f6d22eb3cf32c50216820aafba.tar.bz2
Added jquery file upload plugin: https://github.com/blueimp/jQuery-File-Upload
Diffstat (limited to 'vendors/jquery-file-upload/server/node/server.js')
-rwxr-xr-xvendors/jquery-file-upload/server/node/server.js285
1 files changed, 285 insertions, 0 deletions
diff --git a/vendors/jquery-file-upload/server/node/server.js b/vendors/jquery-file-upload/server/node/server.js
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+++ b/vendors/jquery-file-upload/server/node/server.js
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+#!/usr/bin/env node
+/*
+ * jQuery File Upload Plugin Node.js Example 1.0.2
+ * https://github.com/blueimp/jQuery-File-Upload
+ *
+ * Copyright 2012, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://www.opensource.org/licenses/MIT
+ */
+
+/*jslint nomen: true, regexp: true, unparam: true */
+/*global require, __dirname, unescape */
+
+(function (port) {
+ 'use strict';
+ var path = require('path'),
+ fs = require('fs'),
+ // Since Node 0.8, .existsSync() moved from path to fs:
+ _existsSync = fs.existsSync || path.existsSync,
+ formidable = require('formidable'),
+ nodeStatic = require('node-static'),
+ imageMagick = require('imagemagick'),
+ options = {
+ tmpDir: __dirname + '/tmp',
+ publicDir: __dirname + '/public',
+ uploadDir: __dirname + '/public/files',
+ uploadUrl: '/files/',
+ maxPostSize: 500000000, // 500 MB
+ minFileSize: 1,
+ maxFileSize: 100000000, // 100 MB
+ acceptFileTypes: /.+/i,
+ // Files not matched by this regular expression force a download dialog,
+ // to prevent executing any scripts in the context of the service domain:
+ safeFileTypes: /\.(gif|jpe?g|png)$/i,
+ imageTypes: /\.(gif|jpe?g|png)$/i,
+ imageVersions: {
+ 'thumbnail': {
+ width: 80,
+ height: 80
+ }
+ },
+ accessControl: {
+ allowOrigin: '*',
+ allowMethods: 'OPTIONS, HEAD, GET, POST, PUT, DELETE'
+ },
+ /* Uncomment and edit this section to provide the service via HTTPS:
+ ssl: {
+ key: fs.readFileSync('/Applications/XAMPP/etc/ssl.key/server.key'),
+ cert: fs.readFileSync('/Applications/XAMPP/etc/ssl.crt/server.crt')
+ },
+ */
+ nodeStatic: {
+ cache: 3600 // seconds to cache served files
+ }
+ },
+ utf8encode = function (str) {
+ return unescape(encodeURIComponent(str));
+ },
+ fileServer = new nodeStatic.Server(options.publicDir, options.nodeStatic),
+ nameCountRegexp = /(?:(?: \(([\d]+)\))?(\.[^.]+))?$/,
+ nameCountFunc = function (s, index, ext) {
+ return ' (' + ((parseInt(index, 10) || 0) + 1) + ')' + (ext || '');
+ },
+ FileInfo = function (file) {
+ this.name = file.name;
+ this.size = file.size;
+ this.type = file.type;
+ this.delete_type = 'DELETE';
+ },
+ UploadHandler = function (req, res, callback) {
+ this.req = req;
+ this.res = res;
+ this.callback = callback;
+ },
+ serve = function (req, res) {
+ res.setHeader(
+ 'Access-Control-Allow-Origin',
+ options.accessControl.allowOrigin
+ );
+ res.setHeader(
+ 'Access-Control-Allow-Methods',
+ options.accessControl.allowMethods
+ );
+ var handleResult = function (result, redirect) {
+ if (redirect) {
+ res.writeHead(302, {
+ 'Location': redirect.replace(
+ /%s/,
+ encodeURIComponent(JSON.stringify(result))
+ )
+ });
+ res.end();
+ } else {
+ res.writeHead(200, {
+ 'Content-Type': req.headers.accept
+ .indexOf('application/json') !== -1 ?
+ 'application/json' : 'text/plain'
+ });
+ res.end(JSON.stringify(result));
+ }
+ },
+ setNoCacheHeaders = function () {
+ res.setHeader('Pragma', 'no-cache');
+ res.setHeader('Cache-Control', 'no-store, no-cache, must-revalidate');
+ res.setHeader('Content-Disposition', 'inline; filename="files.json"');
+ },
+ handler = new UploadHandler(req, res, handleResult);
+ switch (req.method) {
+ case 'OPTIONS':
+ res.end();
+ break;
+ case 'HEAD':
+ case 'GET':
+ if (req.url === '/') {
+ setNoCacheHeaders();
+ if (req.method === 'GET') {
+ handler.get();
+ } else {
+ res.end();
+ }
+ } else {
+ fileServer.serve(req, res);
+ }
+ break;
+ case 'POST':
+ setNoCacheHeaders();
+ handler.post();
+ break;
+ case 'DELETE':
+ handler.destroy();
+ break;
+ default:
+ res.statusCode = 405;
+ res.end();
+ }
+ };
+ fileServer.respond = function (pathname, status, _headers, files, stat, req, res, finish) {
+ if (!options.safeFileTypes.test(files[0])) {
+ // Force a download dialog for unsafe file extensions:
+ res.setHeader(
+ 'Content-Disposition',
+ 'attachment; filename="' + utf8encode(path.basename(files[0])) + '"'
+ );
+ } else {
+ // Prevent Internet Explorer from MIME-sniffing the content-type:
+ res.setHeader('X-Content-Type-Options', 'nosniff');
+ }
+ nodeStatic.Server.prototype.respond
+ .call(this, pathname, status, _headers, files, stat, req, res, finish);
+ };
+ FileInfo.prototype.validate = function () {
+ if (options.minFileSize && options.minFileSize > this.size) {
+ this.error = 'minFileSize';
+ } else if (options.maxFileSize && options.maxFileSize < this.size) {
+ this.error = 'maxFileSize';
+ } else if (!options.acceptFileTypes.test(this.name)) {
+ this.error = 'acceptFileTypes';
+ }
+ return !this.error;
+ };
+ FileInfo.prototype.safeName = function () {
+ // Prevent directory traversal and creating hidden system files:
+ this.name = path.basename(this.name).replace(/^\.+/, '');
+ // Prevent overwriting existing files:
+ while (_existsSync(options.uploadDir + '/' + this.name)) {
+ this.name = this.name.replace(nameCountRegexp, nameCountFunc);
+ }
+ };
+ FileInfo.prototype.initUrls = function (req) {
+ if (!this.error) {
+ var that = this,
+ baseUrl = (options.ssl ? 'https:' : 'http:') +
+ '//' + req.headers.host + options.uploadUrl;
+ this.url = this.delete_url = baseUrl + encodeURIComponent(this.name);
+ Object.keys(options.imageVersions).forEach(function (version) {
+ if (_existsSync(
+ options.uploadDir + '/' + version + '/' + that.name
+ )) {
+ that[version + '_url'] = baseUrl + version + '/' +
+ encodeURIComponent(that.name);
+ }
+ });
+ }
+ };
+ UploadHandler.prototype.get = function () {
+ var handler = this,
+ files = [];
+ fs.readdir(options.uploadDir, function (err, list) {
+ list.forEach(function (name) {
+ var stats = fs.statSync(options.uploadDir + '/' + name),
+ fileInfo;
+ if (stats.isFile()) {
+ fileInfo = new FileInfo({
+ name: name,
+ size: stats.size
+ });
+ fileInfo.initUrls(handler.req);
+ files.push(fileInfo);
+ }
+ });
+ handler.callback(files);
+ });
+ };
+ UploadHandler.prototype.post = function () {
+ var handler = this,
+ form = new formidable.IncomingForm(),
+ tmpFiles = [],
+ files = [],
+ map = {},
+ counter = 1,
+ redirect,
+ finish = function () {
+ counter -= 1;
+ if (!counter) {
+ files.forEach(function (fileInfo) {
+ fileInfo.initUrls(handler.req);
+ });
+ handler.callback(files, redirect);
+ }
+ };
+ form.uploadDir = options.tmpDir;
+ form.on('fileBegin', function (name, file) {
+ tmpFiles.push(file.path);
+ var fileInfo = new FileInfo(file, handler.req, true);
+ fileInfo.safeName();
+ map[path.basename(file.path)] = fileInfo;
+ files.push(fileInfo);
+ }).on('field', function (name, value) {
+ if (name === 'redirect') {
+ redirect = value;
+ }
+ }).on('file', function (name, file) {
+ var fileInfo = map[path.basename(file.path)];
+ fileInfo.size = file.size;
+ if (!fileInfo.validate()) {
+ fs.unlink(file.path);
+ return;
+ }
+ fs.renameSync(file.path, options.uploadDir + '/' + fileInfo.name);
+ if (options.imageTypes.test(fileInfo.name)) {
+ Object.keys(options.imageVersions).forEach(function (version) {
+ counter += 1;
+ var opts = options.imageVersions[version];
+ imageMagick.resize({
+ width: opts.width,
+ height: opts.height,
+ srcPath: options.uploadDir + '/' + fileInfo.name,
+ dstPath: options.uploadDir + '/' + version + '/' +
+ fileInfo.name
+ }, finish);
+ });
+ }
+ }).on('aborted', function () {
+ tmpFiles.forEach(function (file) {
+ fs.unlink(file);
+ });
+ }).on('progress', function (bytesReceived, bytesExpected) {
+ if (bytesReceived > options.maxPostSize) {
+ handler.req.connection.destroy();
+ }
+ }).on('end', finish).parse(handler.req);
+ };
+ UploadHandler.prototype.destroy = function () {
+ var handler = this,
+ fileName;
+ if (handler.req.url.slice(0, options.uploadUrl.length) === options.uploadUrl) {
+ fileName = path.basename(decodeURIComponent(handler.req.url));
+ fs.unlink(options.uploadDir + '/' + fileName, function (ex) {
+ Object.keys(options.imageVersions).forEach(function (version) {
+ fs.unlink(options.uploadDir + '/' + version + '/' + fileName);
+ });
+ handler.callback(!ex);
+ });
+ } else {
+ handler.callback(false);
+ }
+ };
+ if (options.ssl) {
+ require('https').createServer(options.ssl, serve).listen(port);
+ } else {
+ require('http').createServer(serve).listen(port);
+ }
+}(8888));