Merge remote branch 'upstream/master'

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diff --git a/library/blueimp_upload/server/node/server.js b/library/blueimp_upload/server/node/server.js
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+++ b/library/blueimp_upload/server/node/server.js
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+#!/usr/bin/env node
+/*
+ * jQuery File Upload Plugin Node.js Example 2.1.2
+ * 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
+ */
+
+/* jshint nomen:false */
+/* global require, __dirname, unescape, console */
+
+(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: 11000000000, // 11 GB
+            minFileSize: 1,
+            maxFileSize: 10000000000, // 10 GB
+            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:
+            inlineFileTypes: /\.(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',
+                allowHeaders: 'Content-Type, Content-Range, Content-Disposition'
+            },
+            /* 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.deleteType = '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
+            );
+            res.setHeader(
+                'Access-Control-Allow-Headers',
+                options.accessControl.allowHeaders
+            );
+            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) {
+        // Prevent browsers from MIME-sniffing the content-type:
+        _headers['X-Content-Type-Options'] = 'nosniff';
+        if (!options.inlineFileTypes.test(files[0])) {
+            // Force a download dialog for unsafe file extensions:
+            _headers['Content-Type'] = 'application/octet-stream';
+            _headers['Content-Disposition'] = 'attachment; filename="' +
+                utf8encode(path.basename(files[0])) + '"';
+        }
+        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 = 'File is too small';
+        } else if (options.maxFileSize && options.maxFileSize < this.size) {
+            this.error = 'File is too big';
+        } else if (!options.acceptFileTypes.test(this.name)) {
+            this.error = 'Filetype not allowed';
+        }
+        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.deleteUrl = 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() && name[0] !== '.') {
+                    fileInfo = new FileInfo({
+                        name: name,
+                        size: stats.size
+                    });
+                    fileInfo.initUrls(handler.req);
+                    files.push(fileInfo);
+                }
+            });
+            handler.callback({files: 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: files}, redirect);
+                }
+            };
+        form.uploadDir = options.tmpDir;
+        form.on('fileBegin', function (name, file) {
+            tmpFiles.push(file.path);
+            var fileInfo = new FileInfo(file);
+            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('error', function (e) {
+            console.log(e);
+        }).on('progress', function (bytesReceived) {
+            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));
+            if (fileName[0] !== '.') {
+                fs.unlink(options.uploadDir + '/' + fileName, function (ex) {
+                    Object.keys(options.imageVersions).forEach(function (version) {
+                        fs.unlink(options.uploadDir + '/' + version + '/' + fileName);
+                    });
+                    handler.callback({success: !ex});
+                });
+                return;
+            }
+        }
+        handler.callback({success: false});
+    };
+    if (options.ssl) {
+        require('https').createServer(options.ssl, serve).listen(port);
+    } else {
+        require('http').createServer(serve).listen(port);
+    }
+}(8888));