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-rw-r--r--backend/node_modules/express/lib/application.js661
-rw-r--r--backend/node_modules/express/lib/express.js116
-rw-r--r--backend/node_modules/express/lib/middleware/init.js43
-rw-r--r--backend/node_modules/express/lib/middleware/query.js47
-rw-r--r--backend/node_modules/express/lib/request.js525
-rw-r--r--backend/node_modules/express/lib/response.js1178
-rw-r--r--backend/node_modules/express/lib/router/index.js673
-rw-r--r--backend/node_modules/express/lib/router/layer.js181
-rw-r--r--backend/node_modules/express/lib/router/route.js230
-rw-r--r--backend/node_modules/express/lib/utils.js303
-rw-r--r--backend/node_modules/express/lib/view.js182
11 files changed, 0 insertions, 4139 deletions
diff --git a/backend/node_modules/express/lib/application.js b/backend/node_modules/express/lib/application.js
deleted file mode 100644
index ebb30b5..0000000
--- a/backend/node_modules/express/lib/application.js
+++ /dev/null
@@ -1,661 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var finalhandler = require('finalhandler');
-var Router = require('./router');
-var methods = require('methods');
-var middleware = require('./middleware/init');
-var query = require('./middleware/query');
-var debug = require('debug')('express:application');
-var View = require('./view');
-var http = require('http');
-var compileETag = require('./utils').compileETag;
-var compileQueryParser = require('./utils').compileQueryParser;
-var compileTrust = require('./utils').compileTrust;
-var deprecate = require('depd')('express');
-var flatten = require('array-flatten');
-var merge = require('utils-merge');
-var resolve = require('path').resolve;
-var setPrototypeOf = require('setprototypeof')
-
-/**
- * Module variables.
- * @private
- */
-
-var hasOwnProperty = Object.prototype.hasOwnProperty
-var slice = Array.prototype.slice;
-
-/**
- * Application prototype.
- */
-
-var app = exports = module.exports = {};
-
-/**
- * Variable for trust proxy inheritance back-compat
- * @private
- */
-
-var trustProxyDefaultSymbol = '@@symbol:trust_proxy_default';
-
-/**
- * Initialize the server.
- *
- * - setup default configuration
- * - setup default middleware
- * - setup route reflection methods
- *
- * @private
- */
-
-app.init = function init() {
- this.cache = {};
- this.engines = {};
- this.settings = {};
-
- this.defaultConfiguration();
-};
-
-/**
- * Initialize application configuration.
- * @private
- */
-
-app.defaultConfiguration = function defaultConfiguration() {
- var env = process.env.NODE_ENV || 'development';
-
- // default settings
- this.enable('x-powered-by');
- this.set('etag', 'weak');
- this.set('env', env);
- this.set('query parser', 'extended');
- this.set('subdomain offset', 2);
- this.set('trust proxy', false);
-
- // trust proxy inherit back-compat
- Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
- configurable: true,
- value: true
- });
-
- debug('booting in %s mode', env);
-
- this.on('mount', function onmount(parent) {
- // inherit trust proxy
- if (this.settings[trustProxyDefaultSymbol] === true
- && typeof parent.settings['trust proxy fn'] === 'function') {
- delete this.settings['trust proxy'];
- delete this.settings['trust proxy fn'];
- }
-
- // inherit protos
- setPrototypeOf(this.request, parent.request)
- setPrototypeOf(this.response, parent.response)
- setPrototypeOf(this.engines, parent.engines)
- setPrototypeOf(this.settings, parent.settings)
- });
-
- // setup locals
- this.locals = Object.create(null);
-
- // top-most app is mounted at /
- this.mountpath = '/';
-
- // default locals
- this.locals.settings = this.settings;
-
- // default configuration
- this.set('view', View);
- this.set('views', resolve('views'));
- this.set('jsonp callback name', 'callback');
-
- if (env === 'production') {
- this.enable('view cache');
- }
-
- Object.defineProperty(this, 'router', {
- get: function() {
- throw new Error('\'app.router\' is deprecated!\nPlease see the 3.x to 4.x migration guide for details on how to update your app.');
- }
- });
-};
-
-/**
- * lazily adds the base router if it has not yet been added.
- *
- * We cannot add the base router in the defaultConfiguration because
- * it reads app settings which might be set after that has run.
- *
- * @private
- */
-app.lazyrouter = function lazyrouter() {
- if (!this._router) {
- this._router = new Router({
- caseSensitive: this.enabled('case sensitive routing'),
- strict: this.enabled('strict routing')
- });
-
- this._router.use(query(this.get('query parser fn')));
- this._router.use(middleware.init(this));
- }
-};
-
-/**
- * Dispatch a req, res pair into the application. Starts pipeline processing.
- *
- * If no callback is provided, then default error handlers will respond
- * in the event of an error bubbling through the stack.
- *
- * @private
- */
-
-app.handle = function handle(req, res, callback) {
- var router = this._router;
-
- // final handler
- var done = callback || finalhandler(req, res, {
- env: this.get('env'),
- onerror: logerror.bind(this)
- });
-
- // no routes
- if (!router) {
- debug('no routes defined on app');
- done();
- return;
- }
-
- router.handle(req, res, done);
-};
-
-/**
- * Proxy `Router#use()` to add middleware to the app router.
- * See Router#use() documentation for details.
- *
- * If the _fn_ parameter is an express app, then it will be
- * mounted at the _route_ specified.
- *
- * @public
- */
-
-app.use = function use(fn) {
- var offset = 0;
- var path = '/';
-
- // default path to '/'
- // disambiguate app.use([fn])
- if (typeof fn !== 'function') {
- var arg = fn;
-
- while (Array.isArray(arg) && arg.length !== 0) {
- arg = arg[0];
- }
-
- // first arg is the path
- if (typeof arg !== 'function') {
- offset = 1;
- path = fn;
- }
- }
-
- var fns = flatten(slice.call(arguments, offset));
-
- if (fns.length === 0) {
- throw new TypeError('app.use() requires a middleware function')
- }
-
- // setup router
- this.lazyrouter();
- var router = this._router;
-
- fns.forEach(function (fn) {
- // non-express app
- if (!fn || !fn.handle || !fn.set) {
- return router.use(path, fn);
- }
-
- debug('.use app under %s', path);
- fn.mountpath = path;
- fn.parent = this;
-
- // restore .app property on req and res
- router.use(path, function mounted_app(req, res, next) {
- var orig = req.app;
- fn.handle(req, res, function (err) {
- setPrototypeOf(req, orig.request)
- setPrototypeOf(res, orig.response)
- next(err);
- });
- });
-
- // mounted an app
- fn.emit('mount', this);
- }, this);
-
- return this;
-};
-
-/**
- * Proxy to the app `Router#route()`
- * Returns a new `Route` instance for the _path_.
- *
- * Routes are isolated middleware stacks for specific paths.
- * See the Route api docs for details.
- *
- * @public
- */
-
-app.route = function route(path) {
- this.lazyrouter();
- return this._router.route(path);
-};
-
-/**
- * Register the given template engine callback `fn`
- * as `ext`.
- *
- * By default will `require()` the engine based on the
- * file extension. For example if you try to render
- * a "foo.ejs" file Express will invoke the following internally:
- *
- * app.engine('ejs', require('ejs').__express);
- *
- * For engines that do not provide `.__express` out of the box,
- * or if you wish to "map" a different extension to the template engine
- * you may use this method. For example mapping the EJS template engine to
- * ".html" files:
- *
- * app.engine('html', require('ejs').renderFile);
- *
- * In this case EJS provides a `.renderFile()` method with
- * the same signature that Express expects: `(path, options, callback)`,
- * though note that it aliases this method as `ejs.__express` internally
- * so if you're using ".ejs" extensions you don't need to do anything.
- *
- * Some template engines do not follow this convention, the
- * [Consolidate.js](https://github.com/tj/consolidate.js)
- * library was created to map all of node's popular template
- * engines to follow this convention, thus allowing them to
- * work seamlessly within Express.
- *
- * @param {String} ext
- * @param {Function} fn
- * @return {app} for chaining
- * @public
- */
-
-app.engine = function engine(ext, fn) {
- if (typeof fn !== 'function') {
- throw new Error('callback function required');
- }
-
- // get file extension
- var extension = ext[0] !== '.'
- ? '.' + ext
- : ext;
-
- // store engine
- this.engines[extension] = fn;
-
- return this;
-};
-
-/**
- * Proxy to `Router#param()` with one added api feature. The _name_ parameter
- * can be an array of names.
- *
- * See the Router#param() docs for more details.
- *
- * @param {String|Array} name
- * @param {Function} fn
- * @return {app} for chaining
- * @public
- */
-
-app.param = function param(name, fn) {
- this.lazyrouter();
-
- if (Array.isArray(name)) {
- for (var i = 0; i < name.length; i++) {
- this.param(name[i], fn);
- }
-
- return this;
- }
-
- this._router.param(name, fn);
-
- return this;
-};
-
-/**
- * Assign `setting` to `val`, or return `setting`'s value.
- *
- * app.set('foo', 'bar');
- * app.set('foo');
- * // => "bar"
- *
- * Mounted servers inherit their parent server's settings.
- *
- * @param {String} setting
- * @param {*} [val]
- * @return {Server} for chaining
- * @public
- */
-
-app.set = function set(setting, val) {
- if (arguments.length === 1) {
- // app.get(setting)
- var settings = this.settings
-
- while (settings && settings !== Object.prototype) {
- if (hasOwnProperty.call(settings, setting)) {
- return settings[setting]
- }
-
- settings = Object.getPrototypeOf(settings)
- }
-
- return undefined
- }
-
- debug('set "%s" to %o', setting, val);
-
- // set value
- this.settings[setting] = val;
-
- // trigger matched settings
- switch (setting) {
- case 'etag':
- this.set('etag fn', compileETag(val));
- break;
- case 'query parser':
- this.set('query parser fn', compileQueryParser(val));
- break;
- case 'trust proxy':
- this.set('trust proxy fn', compileTrust(val));
-
- // trust proxy inherit back-compat
- Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
- configurable: true,
- value: false
- });
-
- break;
- }
-
- return this;
-};
-
-/**
- * Return the app's absolute pathname
- * based on the parent(s) that have
- * mounted it.
- *
- * For example if the application was
- * mounted as "/admin", which itself
- * was mounted as "/blog" then the
- * return value would be "/blog/admin".
- *
- * @return {String}
- * @private
- */
-
-app.path = function path() {
- return this.parent
- ? this.parent.path() + this.mountpath
- : '';
-};
-
-/**
- * Check if `setting` is enabled (truthy).
- *
- * app.enabled('foo')
- * // => false
- *
- * app.enable('foo')
- * app.enabled('foo')
- * // => true
- *
- * @param {String} setting
- * @return {Boolean}
- * @public
- */
-
-app.enabled = function enabled(setting) {
- return Boolean(this.set(setting));
-};
-
-/**
- * Check if `setting` is disabled.
- *
- * app.disabled('foo')
- * // => true
- *
- * app.enable('foo')
- * app.disabled('foo')
- * // => false
- *
- * @param {String} setting
- * @return {Boolean}
- * @public
- */
-
-app.disabled = function disabled(setting) {
- return !this.set(setting);
-};
-
-/**
- * Enable `setting`.
- *
- * @param {String} setting
- * @return {app} for chaining
- * @public
- */
-
-app.enable = function enable(setting) {
- return this.set(setting, true);
-};
-
-/**
- * Disable `setting`.
- *
- * @param {String} setting
- * @return {app} for chaining
- * @public
- */
-
-app.disable = function disable(setting) {
- return this.set(setting, false);
-};
-
-/**
- * Delegate `.VERB(...)` calls to `router.VERB(...)`.
- */
-
-methods.forEach(function(method){
- app[method] = function(path){
- if (method === 'get' && arguments.length === 1) {
- // app.get(setting)
- return this.set(path);
- }
-
- this.lazyrouter();
-
- var route = this._router.route(path);
- route[method].apply(route, slice.call(arguments, 1));
- return this;
- };
-});
-
-/**
- * Special-cased "all" method, applying the given route `path`,
- * middleware, and callback to _every_ HTTP method.
- *
- * @param {String} path
- * @param {Function} ...
- * @return {app} for chaining
- * @public
- */
-
-app.all = function all(path) {
- this.lazyrouter();
-
- var route = this._router.route(path);
- var args = slice.call(arguments, 1);
-
- for (var i = 0; i < methods.length; i++) {
- route[methods[i]].apply(route, args);
- }
-
- return this;
-};
-
-// del -> delete alias
-
-app.del = deprecate.function(app.delete, 'app.del: Use app.delete instead');
-
-/**
- * Render the given view `name` name with `options`
- * and a callback accepting an error and the
- * rendered template string.
- *
- * Example:
- *
- * app.render('email', { name: 'Tobi' }, function(err, html){
- * // ...
- * })
- *
- * @param {String} name
- * @param {Object|Function} options or fn
- * @param {Function} callback
- * @public
- */
-
-app.render = function render(name, options, callback) {
- var cache = this.cache;
- var done = callback;
- var engines = this.engines;
- var opts = options;
- var renderOptions = {};
- var view;
-
- // support callback function as second arg
- if (typeof options === 'function') {
- done = options;
- opts = {};
- }
-
- // merge app.locals
- merge(renderOptions, this.locals);
-
- // merge options._locals
- if (opts._locals) {
- merge(renderOptions, opts._locals);
- }
-
- // merge options
- merge(renderOptions, opts);
-
- // set .cache unless explicitly provided
- if (renderOptions.cache == null) {
- renderOptions.cache = this.enabled('view cache');
- }
-
- // primed cache
- if (renderOptions.cache) {
- view = cache[name];
- }
-
- // view
- if (!view) {
- var View = this.get('view');
-
- view = new View(name, {
- defaultEngine: this.get('view engine'),
- root: this.get('views'),
- engines: engines
- });
-
- if (!view.path) {
- var dirs = Array.isArray(view.root) && view.root.length > 1
- ? 'directories "' + view.root.slice(0, -1).join('", "') + '" or "' + view.root[view.root.length - 1] + '"'
- : 'directory "' + view.root + '"'
- var err = new Error('Failed to lookup view "' + name + '" in views ' + dirs);
- err.view = view;
- return done(err);
- }
-
- // prime the cache
- if (renderOptions.cache) {
- cache[name] = view;
- }
- }
-
- // render
- tryRender(view, renderOptions, done);
-};
-
-/**
- * Listen for connections.
- *
- * A node `http.Server` is returned, with this
- * application (which is a `Function`) as its
- * callback. If you wish to create both an HTTP
- * and HTTPS server you may do so with the "http"
- * and "https" modules as shown here:
- *
- * var http = require('http')
- * , https = require('https')
- * , express = require('express')
- * , app = express();
- *
- * http.createServer(app).listen(80);
- * https.createServer({ ... }, app).listen(443);
- *
- * @return {http.Server}
- * @public
- */
-
-app.listen = function listen() {
- var server = http.createServer(this);
- return server.listen.apply(server, arguments);
-};
-
-/**
- * Log error using console.error.
- *
- * @param {Error} err
- * @private
- */
-
-function logerror(err) {
- /* istanbul ignore next */
- if (this.get('env') !== 'test') console.error(err.stack || err.toString());
-}
-
-/**
- * Try rendering a view.
- * @private
- */
-
-function tryRender(view, options, callback) {
- try {
- view.render(options, callback);
- } catch (err) {
- callback(err);
- }
-}
diff --git a/backend/node_modules/express/lib/express.js b/backend/node_modules/express/lib/express.js
deleted file mode 100644
index d188a16..0000000
--- a/backend/node_modules/express/lib/express.js
+++ /dev/null
@@ -1,116 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- */
-
-var bodyParser = require('body-parser')
-var EventEmitter = require('events').EventEmitter;
-var mixin = require('merge-descriptors');
-var proto = require('./application');
-var Route = require('./router/route');
-var Router = require('./router');
-var req = require('./request');
-var res = require('./response');
-
-/**
- * Expose `createApplication()`.
- */
-
-exports = module.exports = createApplication;
-
-/**
- * Create an express application.
- *
- * @return {Function}
- * @api public
- */
-
-function createApplication() {
- var app = function(req, res, next) {
- app.handle(req, res, next);
- };
-
- mixin(app, EventEmitter.prototype, false);
- mixin(app, proto, false);
-
- // expose the prototype that will get set on requests
- app.request = Object.create(req, {
- app: { configurable: true, enumerable: true, writable: true, value: app }
- })
-
- // expose the prototype that will get set on responses
- app.response = Object.create(res, {
- app: { configurable: true, enumerable: true, writable: true, value: app }
- })
-
- app.init();
- return app;
-}
-
-/**
- * Expose the prototypes.
- */
-
-exports.application = proto;
-exports.request = req;
-exports.response = res;
-
-/**
- * Expose constructors.
- */
-
-exports.Route = Route;
-exports.Router = Router;
-
-/**
- * Expose middleware
- */
-
-exports.json = bodyParser.json
-exports.query = require('./middleware/query');
-exports.raw = bodyParser.raw
-exports.static = require('serve-static');
-exports.text = bodyParser.text
-exports.urlencoded = bodyParser.urlencoded
-
-/**
- * Replace removed middleware with an appropriate error message.
- */
-
-var removedMiddlewares = [
- 'bodyParser',
- 'compress',
- 'cookieSession',
- 'session',
- 'logger',
- 'cookieParser',
- 'favicon',
- 'responseTime',
- 'errorHandler',
- 'timeout',
- 'methodOverride',
- 'vhost',
- 'csrf',
- 'directory',
- 'limit',
- 'multipart',
- 'staticCache'
-]
-
-removedMiddlewares.forEach(function (name) {
- Object.defineProperty(exports, name, {
- get: function () {
- throw new Error('Most middleware (like ' + name + ') is no longer bundled with Express and must be installed separately. Please see https://github.com/senchalabs/connect#middleware.');
- },
- configurable: true
- });
-});
diff --git a/backend/node_modules/express/lib/middleware/init.js b/backend/node_modules/express/lib/middleware/init.js
deleted file mode 100644
index dfd0427..0000000
--- a/backend/node_modules/express/lib/middleware/init.js
+++ /dev/null
@@ -1,43 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var setPrototypeOf = require('setprototypeof')
-
-/**
- * Initialization middleware, exposing the
- * request and response to each other, as well
- * as defaulting the X-Powered-By header field.
- *
- * @param {Function} app
- * @return {Function}
- * @api private
- */
-
-exports.init = function(app){
- return function expressInit(req, res, next){
- if (app.enabled('x-powered-by')) res.setHeader('X-Powered-By', 'Express');
- req.res = res;
- res.req = req;
- req.next = next;
-
- setPrototypeOf(req, app.request)
- setPrototypeOf(res, app.response)
-
- res.locals = res.locals || Object.create(null);
-
- next();
- };
-};
-
diff --git a/backend/node_modules/express/lib/middleware/query.js b/backend/node_modules/express/lib/middleware/query.js
deleted file mode 100644
index 7e91669..0000000
--- a/backend/node_modules/express/lib/middleware/query.js
+++ /dev/null
@@ -1,47 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- */
-
-var merge = require('utils-merge')
-var parseUrl = require('parseurl');
-var qs = require('qs');
-
-/**
- * @param {Object} options
- * @return {Function}
- * @api public
- */
-
-module.exports = function query(options) {
- var opts = merge({}, options)
- var queryparse = qs.parse;
-
- if (typeof options === 'function') {
- queryparse = options;
- opts = undefined;
- }
-
- if (opts !== undefined && opts.allowPrototypes === undefined) {
- // back-compat for qs module
- opts.allowPrototypes = true;
- }
-
- return function query(req, res, next){
- if (!req.query) {
- var val = parseUrl(req).query;
- req.query = queryparse(val, opts);
- }
-
- next();
- };
-};
diff --git a/backend/node_modules/express/lib/request.js b/backend/node_modules/express/lib/request.js
deleted file mode 100644
index 3f1eeca..0000000
--- a/backend/node_modules/express/lib/request.js
+++ /dev/null
@@ -1,525 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var accepts = require('accepts');
-var deprecate = require('depd')('express');
-var isIP = require('net').isIP;
-var typeis = require('type-is');
-var http = require('http');
-var fresh = require('fresh');
-var parseRange = require('range-parser');
-var parse = require('parseurl');
-var proxyaddr = require('proxy-addr');
-
-/**
- * Request prototype.
- * @public
- */
-
-var req = Object.create(http.IncomingMessage.prototype)
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = req
-
-/**
- * Return request header.
- *
- * The `Referrer` header field is special-cased,
- * both `Referrer` and `Referer` are interchangeable.
- *
- * Examples:
- *
- * req.get('Content-Type');
- * // => "text/plain"
- *
- * req.get('content-type');
- * // => "text/plain"
- *
- * req.get('Something');
- * // => undefined
- *
- * Aliased as `req.header()`.
- *
- * @param {String} name
- * @return {String}
- * @public
- */
-
-req.get =
-req.header = function header(name) {
- if (!name) {
- throw new TypeError('name argument is required to req.get');
- }
-
- if (typeof name !== 'string') {
- throw new TypeError('name must be a string to req.get');
- }
-
- var lc = name.toLowerCase();
-
- switch (lc) {
- case 'referer':
- case 'referrer':
- return this.headers.referrer
- || this.headers.referer;
- default:
- return this.headers[lc];
- }
-};
-
-/**
- * To do: update docs.
- *
- * Check if the given `type(s)` is acceptable, returning
- * the best match when true, otherwise `undefined`, in which
- * case you should respond with 406 "Not Acceptable".
- *
- * The `type` value may be a single MIME type string
- * such as "application/json", an extension name
- * such as "json", a comma-delimited list such as "json, html, text/plain",
- * an argument list such as `"json", "html", "text/plain"`,
- * or an array `["json", "html", "text/plain"]`. When a list
- * or array is given, the _best_ match, if any is returned.
- *
- * Examples:
- *
- * // Accept: text/html
- * req.accepts('html');
- * // => "html"
- *
- * // Accept: text/*, application/json
- * req.accepts('html');
- * // => "html"
- * req.accepts('text/html');
- * // => "text/html"
- * req.accepts('json, text');
- * // => "json"
- * req.accepts('application/json');
- * // => "application/json"
- *
- * // Accept: text/*, application/json
- * req.accepts('image/png');
- * req.accepts('png');
- * // => undefined
- *
- * // Accept: text/*;q=.5, application/json
- * req.accepts(['html', 'json']);
- * req.accepts('html', 'json');
- * req.accepts('html, json');
- * // => "json"
- *
- * @param {String|Array} type(s)
- * @return {String|Array|Boolean}
- * @public
- */
-
-req.accepts = function(){
- var accept = accepts(this);
- return accept.types.apply(accept, arguments);
-};
-
-/**
- * Check if the given `encoding`s are accepted.
- *
- * @param {String} ...encoding
- * @return {String|Array}
- * @public
- */
-
-req.acceptsEncodings = function(){
- var accept = accepts(this);
- return accept.encodings.apply(accept, arguments);
-};
-
-req.acceptsEncoding = deprecate.function(req.acceptsEncodings,
- 'req.acceptsEncoding: Use acceptsEncodings instead');
-
-/**
- * Check if the given `charset`s are acceptable,
- * otherwise you should respond with 406 "Not Acceptable".
- *
- * @param {String} ...charset
- * @return {String|Array}
- * @public
- */
-
-req.acceptsCharsets = function(){
- var accept = accepts(this);
- return accept.charsets.apply(accept, arguments);
-};
-
-req.acceptsCharset = deprecate.function(req.acceptsCharsets,
- 'req.acceptsCharset: Use acceptsCharsets instead');
-
-/**
- * Check if the given `lang`s are acceptable,
- * otherwise you should respond with 406 "Not Acceptable".
- *
- * @param {String} ...lang
- * @return {String|Array}
- * @public
- */
-
-req.acceptsLanguages = function(){
- var accept = accepts(this);
- return accept.languages.apply(accept, arguments);
-};
-
-req.acceptsLanguage = deprecate.function(req.acceptsLanguages,
- 'req.acceptsLanguage: Use acceptsLanguages instead');
-
-/**
- * Parse Range header field, capping to the given `size`.
- *
- * Unspecified ranges such as "0-" require knowledge of your resource length. In
- * the case of a byte range this is of course the total number of bytes. If the
- * Range header field is not given `undefined` is returned, `-1` when unsatisfiable,
- * and `-2` when syntactically invalid.
- *
- * When ranges are returned, the array has a "type" property which is the type of
- * range that is required (most commonly, "bytes"). Each array element is an object
- * with a "start" and "end" property for the portion of the range.
- *
- * The "combine" option can be set to `true` and overlapping & adjacent ranges
- * will be combined into a single range.
- *
- * NOTE: remember that ranges are inclusive, so for example "Range: users=0-3"
- * should respond with 4 users when available, not 3.
- *
- * @param {number} size
- * @param {object} [options]
- * @param {boolean} [options.combine=false]
- * @return {number|array}
- * @public
- */
-
-req.range = function range(size, options) {
- var range = this.get('Range');
- if (!range) return;
- return parseRange(size, range, options);
-};
-
-/**
- * Return the value of param `name` when present or `defaultValue`.
- *
- * - Checks route placeholders, ex: _/user/:id_
- * - Checks body params, ex: id=12, {"id":12}
- * - Checks query string params, ex: ?id=12
- *
- * To utilize request bodies, `req.body`
- * should be an object. This can be done by using
- * the `bodyParser()` middleware.
- *
- * @param {String} name
- * @param {Mixed} [defaultValue]
- * @return {String}
- * @public
- */
-
-req.param = function param(name, defaultValue) {
- var params = this.params || {};
- var body = this.body || {};
- var query = this.query || {};
-
- var args = arguments.length === 1
- ? 'name'
- : 'name, default';
- deprecate('req.param(' + args + '): Use req.params, req.body, or req.query instead');
-
- if (null != params[name] && params.hasOwnProperty(name)) return params[name];
- if (null != body[name]) return body[name];
- if (null != query[name]) return query[name];
-
- return defaultValue;
-};
-
-/**
- * Check if the incoming request contains the "Content-Type"
- * header field, and it contains the given mime `type`.
- *
- * Examples:
- *
- * // With Content-Type: text/html; charset=utf-8
- * req.is('html');
- * req.is('text/html');
- * req.is('text/*');
- * // => true
- *
- * // When Content-Type is application/json
- * req.is('json');
- * req.is('application/json');
- * req.is('application/*');
- * // => true
- *
- * req.is('html');
- * // => false
- *
- * @param {String|Array} types...
- * @return {String|false|null}
- * @public
- */
-
-req.is = function is(types) {
- var arr = types;
-
- // support flattened arguments
- if (!Array.isArray(types)) {
- arr = new Array(arguments.length);
- for (var i = 0; i < arr.length; i++) {
- arr[i] = arguments[i];
- }
- }
-
- return typeis(this, arr);
-};
-
-/**
- * Return the protocol string "http" or "https"
- * when requested with TLS. When the "trust proxy"
- * setting trusts the socket address, the
- * "X-Forwarded-Proto" header field will be trusted
- * and used if present.
- *
- * If you're running behind a reverse proxy that
- * supplies https for you this may be enabled.
- *
- * @return {String}
- * @public
- */
-
-defineGetter(req, 'protocol', function protocol(){
- var proto = this.connection.encrypted
- ? 'https'
- : 'http';
- var trust = this.app.get('trust proxy fn');
-
- if (!trust(this.connection.remoteAddress, 0)) {
- return proto;
- }
-
- // Note: X-Forwarded-Proto is normally only ever a
- // single value, but this is to be safe.
- var header = this.get('X-Forwarded-Proto') || proto
- var index = header.indexOf(',')
-
- return index !== -1
- ? header.substring(0, index).trim()
- : header.trim()
-});
-
-/**
- * Short-hand for:
- *
- * req.protocol === 'https'
- *
- * @return {Boolean}
- * @public
- */
-
-defineGetter(req, 'secure', function secure(){
- return this.protocol === 'https';
-});
-
-/**
- * Return the remote address from the trusted proxy.
- *
- * The is the remote address on the socket unless
- * "trust proxy" is set.
- *
- * @return {String}
- * @public
- */
-
-defineGetter(req, 'ip', function ip(){
- var trust = this.app.get('trust proxy fn');
- return proxyaddr(this, trust);
-});
-
-/**
- * When "trust proxy" is set, trusted proxy addresses + client.
- *
- * For example if the value were "client, proxy1, proxy2"
- * you would receive the array `["client", "proxy1", "proxy2"]`
- * where "proxy2" is the furthest down-stream and "proxy1" and
- * "proxy2" were trusted.
- *
- * @return {Array}
- * @public
- */
-
-defineGetter(req, 'ips', function ips() {
- var trust = this.app.get('trust proxy fn');
- var addrs = proxyaddr.all(this, trust);
-
- // reverse the order (to farthest -> closest)
- // and remove socket address
- addrs.reverse().pop()
-
- return addrs
-});
-
-/**
- * Return subdomains as an array.
- *
- * Subdomains are the dot-separated parts of the host before the main domain of
- * the app. By default, the domain of the app is assumed to be the last two
- * parts of the host. This can be changed by setting "subdomain offset".
- *
- * For example, if the domain is "tobi.ferrets.example.com":
- * If "subdomain offset" is not set, req.subdomains is `["ferrets", "tobi"]`.
- * If "subdomain offset" is 3, req.subdomains is `["tobi"]`.
- *
- * @return {Array}
- * @public
- */
-
-defineGetter(req, 'subdomains', function subdomains() {
- var hostname = this.hostname;
-
- if (!hostname) return [];
-
- var offset = this.app.get('subdomain offset');
- var subdomains = !isIP(hostname)
- ? hostname.split('.').reverse()
- : [hostname];
-
- return subdomains.slice(offset);
-});
-
-/**
- * Short-hand for `url.parse(req.url).pathname`.
- *
- * @return {String}
- * @public
- */
-
-defineGetter(req, 'path', function path() {
- return parse(this).pathname;
-});
-
-/**
- * Parse the "Host" header field to a hostname.
- *
- * When the "trust proxy" setting trusts the socket
- * address, the "X-Forwarded-Host" header field will
- * be trusted.
- *
- * @return {String}
- * @public
- */
-
-defineGetter(req, 'hostname', function hostname(){
- var trust = this.app.get('trust proxy fn');
- var host = this.get('X-Forwarded-Host');
-
- if (!host || !trust(this.connection.remoteAddress, 0)) {
- host = this.get('Host');
- } else if (host.indexOf(',') !== -1) {
- // Note: X-Forwarded-Host is normally only ever a
- // single value, but this is to be safe.
- host = host.substring(0, host.indexOf(',')).trimRight()
- }
-
- if (!host) return;
-
- // IPv6 literal support
- var offset = host[0] === '['
- ? host.indexOf(']') + 1
- : 0;
- var index = host.indexOf(':', offset);
-
- return index !== -1
- ? host.substring(0, index)
- : host;
-});
-
-// TODO: change req.host to return host in next major
-
-defineGetter(req, 'host', deprecate.function(function host(){
- return this.hostname;
-}, 'req.host: Use req.hostname instead'));
-
-/**
- * Check if the request is fresh, aka
- * Last-Modified and/or the ETag
- * still match.
- *
- * @return {Boolean}
- * @public
- */
-
-defineGetter(req, 'fresh', function(){
- var method = this.method;
- var res = this.res
- var status = res.statusCode
-
- // GET or HEAD for weak freshness validation only
- if ('GET' !== method && 'HEAD' !== method) return false;
-
- // 2xx or 304 as per rfc2616 14.26
- if ((status >= 200 && status < 300) || 304 === status) {
- return fresh(this.headers, {
- 'etag': res.get('ETag'),
- 'last-modified': res.get('Last-Modified')
- })
- }
-
- return false;
-});
-
-/**
- * Check if the request is stale, aka
- * "Last-Modified" and / or the "ETag" for the
- * resource has changed.
- *
- * @return {Boolean}
- * @public
- */
-
-defineGetter(req, 'stale', function stale(){
- return !this.fresh;
-});
-
-/**
- * Check if the request was an _XMLHttpRequest_.
- *
- * @return {Boolean}
- * @public
- */
-
-defineGetter(req, 'xhr', function xhr(){
- var val = this.get('X-Requested-With') || '';
- return val.toLowerCase() === 'xmlhttprequest';
-});
-
-/**
- * Helper function for creating a getter on an object.
- *
- * @param {Object} obj
- * @param {String} name
- * @param {Function} getter
- * @private
- */
-function defineGetter(obj, name, getter) {
- Object.defineProperty(obj, name, {
- configurable: true,
- enumerable: true,
- get: getter
- });
-}
diff --git a/backend/node_modules/express/lib/response.js b/backend/node_modules/express/lib/response.js
deleted file mode 100644
index dd7b3c8..0000000
--- a/backend/node_modules/express/lib/response.js
+++ /dev/null
@@ -1,1178 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var Buffer = require('safe-buffer').Buffer
-var contentDisposition = require('content-disposition');
-var createError = require('http-errors')
-var deprecate = require('depd')('express');
-var encodeUrl = require('encodeurl');
-var escapeHtml = require('escape-html');
-var http = require('http');
-var isAbsolute = require('./utils').isAbsolute;
-var onFinished = require('on-finished');
-var path = require('path');
-var statuses = require('statuses')
-var merge = require('utils-merge');
-var sign = require('cookie-signature').sign;
-var normalizeType = require('./utils').normalizeType;
-var normalizeTypes = require('./utils').normalizeTypes;
-var setCharset = require('./utils').setCharset;
-var cookie = require('cookie');
-var send = require('send');
-var extname = path.extname;
-var mime = send.mime;
-var resolve = path.resolve;
-var vary = require('vary');
-
-/**
- * Response prototype.
- * @public
- */
-
-var res = Object.create(http.ServerResponse.prototype)
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = res
-
-/**
- * Module variables.
- * @private
- */
-
-var charsetRegExp = /;\s*charset\s*=/;
-var schemaAndHostRegExp = /^(?:[a-zA-Z][a-zA-Z0-9+.-]*:)?\/\/[^\\\/\?]+/;
-
-/**
- * Set status `code`.
- *
- * @param {Number} code
- * @return {ServerResponse}
- * @public
- */
-
-res.status = function status(code) {
- if ((typeof code === 'string' || Math.floor(code) !== code) && code > 99 && code < 1000) {
- deprecate('res.status(' + JSON.stringify(code) + '): use res.status(' + Math.floor(code) + ') instead')
- }
- this.statusCode = code;
- return this;
-};
-
-/**
- * Set Link header field with the given `links`.
- *
- * Examples:
- *
- * res.links({
- * next: 'http://api.example.com/users?page=2',
- * last: 'http://api.example.com/users?page=5'
- * });
- *
- * @param {Object} links
- * @return {ServerResponse}
- * @public
- */
-
-res.links = function(links){
- var link = this.get('Link') || '';
- if (link) link += ', ';
- return this.set('Link', link + Object.keys(links).map(function(rel){
- return '<' + links[rel] + '>; rel="' + rel + '"';
- }).join(', '));
-};
-
-/**
- * Send a response.
- *
- * Examples:
- *
- * res.send(Buffer.from('wahoo'));
- * res.send({ some: 'json' });
- * res.send('<p>some html</p>');
- *
- * @param {string|number|boolean|object|Buffer} body
- * @public
- */
-
-res.send = function send(body) {
- var chunk = body;
- var encoding;
- var req = this.req;
- var type;
-
- // settings
- var app = this.app;
-
- // allow status / body
- if (arguments.length === 2) {
- // res.send(body, status) backwards compat
- if (typeof arguments[0] !== 'number' && typeof arguments[1] === 'number') {
- deprecate('res.send(body, status): Use res.status(status).send(body) instead');
- this.statusCode = arguments[1];
- } else {
- deprecate('res.send(status, body): Use res.status(status).send(body) instead');
- this.statusCode = arguments[0];
- chunk = arguments[1];
- }
- }
-
- // disambiguate res.send(status) and res.send(status, num)
- if (typeof chunk === 'number' && arguments.length === 1) {
- // res.send(status) will set status message as text string
- if (!this.get('Content-Type')) {
- this.type('txt');
- }
-
- deprecate('res.send(status): Use res.sendStatus(status) instead');
- this.statusCode = chunk;
- chunk = statuses.message[chunk]
- }
-
- switch (typeof chunk) {
- // string defaulting to html
- case 'string':
- if (!this.get('Content-Type')) {
- this.type('html');
- }
- break;
- case 'boolean':
- case 'number':
- case 'object':
- if (chunk === null) {
- chunk = '';
- } else if (Buffer.isBuffer(chunk)) {
- if (!this.get('Content-Type')) {
- this.type('bin');
- }
- } else {
- return this.json(chunk);
- }
- break;
- }
-
- // write strings in utf-8
- if (typeof chunk === 'string') {
- encoding = 'utf8';
- type = this.get('Content-Type');
-
- // reflect this in content-type
- if (typeof type === 'string') {
- this.set('Content-Type', setCharset(type, 'utf-8'));
- }
- }
-
- // determine if ETag should be generated
- var etagFn = app.get('etag fn')
- var generateETag = !this.get('ETag') && typeof etagFn === 'function'
-
- // populate Content-Length
- var len
- if (chunk !== undefined) {
- if (Buffer.isBuffer(chunk)) {
- // get length of Buffer
- len = chunk.length
- } else if (!generateETag && chunk.length < 1000) {
- // just calculate length when no ETag + small chunk
- len = Buffer.byteLength(chunk, encoding)
- } else {
- // convert chunk to Buffer and calculate
- chunk = Buffer.from(chunk, encoding)
- encoding = undefined;
- len = chunk.length
- }
-
- this.set('Content-Length', len);
- }
-
- // populate ETag
- var etag;
- if (generateETag && len !== undefined) {
- if ((etag = etagFn(chunk, encoding))) {
- this.set('ETag', etag);
- }
- }
-
- // freshness
- if (req.fresh) this.statusCode = 304;
-
- // strip irrelevant headers
- if (204 === this.statusCode || 304 === this.statusCode) {
- this.removeHeader('Content-Type');
- this.removeHeader('Content-Length');
- this.removeHeader('Transfer-Encoding');
- chunk = '';
- }
-
- // alter headers for 205
- if (this.statusCode === 205) {
- this.set('Content-Length', '0')
- this.removeHeader('Transfer-Encoding')
- chunk = ''
- }
-
- if (req.method === 'HEAD') {
- // skip body for HEAD
- this.end();
- } else {
- // respond
- this.end(chunk, encoding);
- }
-
- return this;
-};
-
-/**
- * Send JSON response.
- *
- * Examples:
- *
- * res.json(null);
- * res.json({ user: 'tj' });
- *
- * @param {string|number|boolean|object} obj
- * @public
- */
-
-res.json = function json(obj) {
- var val = obj;
-
- // allow status / body
- if (arguments.length === 2) {
- // res.json(body, status) backwards compat
- if (typeof arguments[1] === 'number') {
- deprecate('res.json(obj, status): Use res.status(status).json(obj) instead');
- this.statusCode = arguments[1];
- } else {
- deprecate('res.json(status, obj): Use res.status(status).json(obj) instead');
- this.statusCode = arguments[0];
- val = arguments[1];
- }
- }
-
- // settings
- var app = this.app;
- var escape = app.get('json escape')
- var replacer = app.get('json replacer');
- var spaces = app.get('json spaces');
- var body = stringify(val, replacer, spaces, escape)
-
- // content-type
- if (!this.get('Content-Type')) {
- this.set('Content-Type', 'application/json');
- }
-
- return this.send(body);
-};
-
-/**
- * Send JSON response with JSONP callback support.
- *
- * Examples:
- *
- * res.jsonp(null);
- * res.jsonp({ user: 'tj' });
- *
- * @param {string|number|boolean|object} obj
- * @public
- */
-
-res.jsonp = function jsonp(obj) {
- var val = obj;
-
- // allow status / body
- if (arguments.length === 2) {
- // res.jsonp(body, status) backwards compat
- if (typeof arguments[1] === 'number') {
- deprecate('res.jsonp(obj, status): Use res.status(status).jsonp(obj) instead');
- this.statusCode = arguments[1];
- } else {
- deprecate('res.jsonp(status, obj): Use res.status(status).jsonp(obj) instead');
- this.statusCode = arguments[0];
- val = arguments[1];
- }
- }
-
- // settings
- var app = this.app;
- var escape = app.get('json escape')
- var replacer = app.get('json replacer');
- var spaces = app.get('json spaces');
- var body = stringify(val, replacer, spaces, escape)
- var callback = this.req.query[app.get('jsonp callback name')];
-
- // content-type
- if (!this.get('Content-Type')) {
- this.set('X-Content-Type-Options', 'nosniff');
- this.set('Content-Type', 'application/json');
- }
-
- // fixup callback
- if (Array.isArray(callback)) {
- callback = callback[0];
- }
-
- // jsonp
- if (typeof callback === 'string' && callback.length !== 0) {
- this.set('X-Content-Type-Options', 'nosniff');
- this.set('Content-Type', 'text/javascript');
-
- // restrict callback charset
- callback = callback.replace(/[^\[\]\w$.]/g, '');
-
- if (body === undefined) {
- // empty argument
- body = ''
- } else if (typeof body === 'string') {
- // replace chars not allowed in JavaScript that are in JSON
- body = body
- .replace(/\u2028/g, '\\u2028')
- .replace(/\u2029/g, '\\u2029')
- }
-
- // the /**/ is a specific security mitigation for "Rosetta Flash JSONP abuse"
- // the typeof check is just to reduce client error noise
- body = '/**/ typeof ' + callback + ' === \'function\' && ' + callback + '(' + body + ');';
- }
-
- return this.send(body);
-};
-
-/**
- * Send given HTTP status code.
- *
- * Sets the response status to `statusCode` and the body of the
- * response to the standard description from node's http.STATUS_CODES
- * or the statusCode number if no description.
- *
- * Examples:
- *
- * res.sendStatus(200);
- *
- * @param {number} statusCode
- * @public
- */
-
-res.sendStatus = function sendStatus(statusCode) {
- var body = statuses.message[statusCode] || String(statusCode)
-
- this.statusCode = statusCode;
- this.type('txt');
-
- return this.send(body);
-};
-
-/**
- * Transfer the file at the given `path`.
- *
- * Automatically sets the _Content-Type_ response header field.
- * The callback `callback(err)` is invoked when the transfer is complete
- * or when an error occurs. Be sure to check `res.headersSent`
- * if you wish to attempt responding, as the header and some data
- * may have already been transferred.
- *
- * Options:
- *
- * - `maxAge` defaulting to 0 (can be string converted by `ms`)
- * - `root` root directory for relative filenames
- * - `headers` object of headers to serve with file
- * - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
- *
- * Other options are passed along to `send`.
- *
- * Examples:
- *
- * The following example illustrates how `res.sendFile()` may
- * be used as an alternative for the `static()` middleware for
- * dynamic situations. The code backing `res.sendFile()` is actually
- * the same code, so HTTP cache support etc is identical.
- *
- * app.get('/user/:uid/photos/:file', function(req, res){
- * var uid = req.params.uid
- * , file = req.params.file;
- *
- * req.user.mayViewFilesFrom(uid, function(yes){
- * if (yes) {
- * res.sendFile('/uploads/' + uid + '/' + file);
- * } else {
- * res.send(403, 'Sorry! you cant see that.');
- * }
- * });
- * });
- *
- * @public
- */
-
-res.sendFile = function sendFile(path, options, callback) {
- var done = callback;
- var req = this.req;
- var res = this;
- var next = req.next;
- var opts = options || {};
-
- if (!path) {
- throw new TypeError('path argument is required to res.sendFile');
- }
-
- if (typeof path !== 'string') {
- throw new TypeError('path must be a string to res.sendFile')
- }
-
- // support function as second arg
- if (typeof options === 'function') {
- done = options;
- opts = {};
- }
-
- if (!opts.root && !isAbsolute(path)) {
- throw new TypeError('path must be absolute or specify root to res.sendFile');
- }
-
- // create file stream
- var pathname = encodeURI(path);
- var file = send(req, pathname, opts);
-
- // transfer
- sendfile(res, file, opts, function (err) {
- if (done) return done(err);
- if (err && err.code === 'EISDIR') return next();
-
- // next() all but write errors
- if (err && err.code !== 'ECONNABORTED' && err.syscall !== 'write') {
- next(err);
- }
- });
-};
-
-/**
- * Transfer the file at the given `path`.
- *
- * Automatically sets the _Content-Type_ response header field.
- * The callback `callback(err)` is invoked when the transfer is complete
- * or when an error occurs. Be sure to check `res.headersSent`
- * if you wish to attempt responding, as the header and some data
- * may have already been transferred.
- *
- * Options:
- *
- * - `maxAge` defaulting to 0 (can be string converted by `ms`)
- * - `root` root directory for relative filenames
- * - `headers` object of headers to serve with file
- * - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
- *
- * Other options are passed along to `send`.
- *
- * Examples:
- *
- * The following example illustrates how `res.sendfile()` may
- * be used as an alternative for the `static()` middleware for
- * dynamic situations. The code backing `res.sendfile()` is actually
- * the same code, so HTTP cache support etc is identical.
- *
- * app.get('/user/:uid/photos/:file', function(req, res){
- * var uid = req.params.uid
- * , file = req.params.file;
- *
- * req.user.mayViewFilesFrom(uid, function(yes){
- * if (yes) {
- * res.sendfile('/uploads/' + uid + '/' + file);
- * } else {
- * res.send(403, 'Sorry! you cant see that.');
- * }
- * });
- * });
- *
- * @public
- */
-
-res.sendfile = function (path, options, callback) {
- var done = callback;
- var req = this.req;
- var res = this;
- var next = req.next;
- var opts = options || {};
-
- // support function as second arg
- if (typeof options === 'function') {
- done = options;
- opts = {};
- }
-
- // create file stream
- var file = send(req, path, opts);
-
- // transfer
- sendfile(res, file, opts, function (err) {
- if (done) return done(err);
- if (err && err.code === 'EISDIR') return next();
-
- // next() all but write errors
- if (err && err.code !== 'ECONNABORTED' && err.syscall !== 'write') {
- next(err);
- }
- });
-};
-
-res.sendfile = deprecate.function(res.sendfile,
- 'res.sendfile: Use res.sendFile instead');
-
-/**
- * Transfer the file at the given `path` as an attachment.
- *
- * Optionally providing an alternate attachment `filename`,
- * and optional callback `callback(err)`. The callback is invoked
- * when the data transfer is complete, or when an error has
- * occurred. Be sure to check `res.headersSent` if you plan to respond.
- *
- * Optionally providing an `options` object to use with `res.sendFile()`.
- * This function will set the `Content-Disposition` header, overriding
- * any `Content-Disposition` header passed as header options in order
- * to set the attachment and filename.
- *
- * This method uses `res.sendFile()`.
- *
- * @public
- */
-
-res.download = function download (path, filename, options, callback) {
- var done = callback;
- var name = filename;
- var opts = options || null
-
- // support function as second or third arg
- if (typeof filename === 'function') {
- done = filename;
- name = null;
- opts = null
- } else if (typeof options === 'function') {
- done = options
- opts = null
- }
-
- // support optional filename, where options may be in it's place
- if (typeof filename === 'object' &&
- (typeof options === 'function' || options === undefined)) {
- name = null
- opts = filename
- }
-
- // set Content-Disposition when file is sent
- var headers = {
- 'Content-Disposition': contentDisposition(name || path)
- };
-
- // merge user-provided headers
- if (opts && opts.headers) {
- var keys = Object.keys(opts.headers)
- for (var i = 0; i < keys.length; i++) {
- var key = keys[i]
- if (key.toLowerCase() !== 'content-disposition') {
- headers[key] = opts.headers[key]
- }
- }
- }
-
- // merge user-provided options
- opts = Object.create(opts)
- opts.headers = headers
-
- // Resolve the full path for sendFile
- var fullPath = !opts.root
- ? resolve(path)
- : path
-
- // send file
- return this.sendFile(fullPath, opts, done)
-};
-
-/**
- * Set _Content-Type_ response header with `type` through `mime.lookup()`
- * when it does not contain "/", or set the Content-Type to `type` otherwise.
- *
- * Examples:
- *
- * res.type('.html');
- * res.type('html');
- * res.type('json');
- * res.type('application/json');
- * res.type('png');
- *
- * @param {String} type
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.contentType =
-res.type = function contentType(type) {
- var ct = type.indexOf('/') === -1
- ? mime.lookup(type)
- : type;
-
- return this.set('Content-Type', ct);
-};
-
-/**
- * Respond to the Acceptable formats using an `obj`
- * of mime-type callbacks.
- *
- * This method uses `req.accepted`, an array of
- * acceptable types ordered by their quality values.
- * When "Accept" is not present the _first_ callback
- * is invoked, otherwise the first match is used. When
- * no match is performed the server responds with
- * 406 "Not Acceptable".
- *
- * Content-Type is set for you, however if you choose
- * you may alter this within the callback using `res.type()`
- * or `res.set('Content-Type', ...)`.
- *
- * res.format({
- * 'text/plain': function(){
- * res.send('hey');
- * },
- *
- * 'text/html': function(){
- * res.send('<p>hey</p>');
- * },
- *
- * 'application/json': function () {
- * res.send({ message: 'hey' });
- * }
- * });
- *
- * In addition to canonicalized MIME types you may
- * also use extnames mapped to these types:
- *
- * res.format({
- * text: function(){
- * res.send('hey');
- * },
- *
- * html: function(){
- * res.send('<p>hey</p>');
- * },
- *
- * json: function(){
- * res.send({ message: 'hey' });
- * }
- * });
- *
- * By default Express passes an `Error`
- * with a `.status` of 406 to `next(err)`
- * if a match is not made. If you provide
- * a `.default` callback it will be invoked
- * instead.
- *
- * @param {Object} obj
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.format = function(obj){
- var req = this.req;
- var next = req.next;
-
- var keys = Object.keys(obj)
- .filter(function (v) { return v !== 'default' })
-
- var key = keys.length > 0
- ? req.accepts(keys)
- : false;
-
- this.vary("Accept");
-
- if (key) {
- this.set('Content-Type', normalizeType(key).value);
- obj[key](req, this, next);
- } else if (obj.default) {
- obj.default(req, this, next)
- } else {
- next(createError(406, {
- types: normalizeTypes(keys).map(function (o) { return o.value })
- }))
- }
-
- return this;
-};
-
-/**
- * Set _Content-Disposition_ header to _attachment_ with optional `filename`.
- *
- * @param {String} filename
- * @return {ServerResponse}
- * @public
- */
-
-res.attachment = function attachment(filename) {
- if (filename) {
- this.type(extname(filename));
- }
-
- this.set('Content-Disposition', contentDisposition(filename));
-
- return this;
-};
-
-/**
- * Append additional header `field` with value `val`.
- *
- * Example:
- *
- * res.append('Link', ['<http://localhost/>', '<http://localhost:3000/>']);
- * res.append('Set-Cookie', 'foo=bar; Path=/; HttpOnly');
- * res.append('Warning', '199 Miscellaneous warning');
- *
- * @param {String} field
- * @param {String|Array} val
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.append = function append(field, val) {
- var prev = this.get(field);
- var value = val;
-
- if (prev) {
- // concat the new and prev vals
- value = Array.isArray(prev) ? prev.concat(val)
- : Array.isArray(val) ? [prev].concat(val)
- : [prev, val]
- }
-
- return this.set(field, value);
-};
-
-/**
- * Set header `field` to `val`, or pass
- * an object of header fields.
- *
- * Examples:
- *
- * res.set('Foo', ['bar', 'baz']);
- * res.set('Accept', 'application/json');
- * res.set({ Accept: 'text/plain', 'X-API-Key': 'tobi' });
- *
- * Aliased as `res.header()`.
- *
- * @param {String|Object} field
- * @param {String|Array} val
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.set =
-res.header = function header(field, val) {
- if (arguments.length === 2) {
- var value = Array.isArray(val)
- ? val.map(String)
- : String(val);
-
- // add charset to content-type
- if (field.toLowerCase() === 'content-type') {
- if (Array.isArray(value)) {
- throw new TypeError('Content-Type cannot be set to an Array');
- }
- if (!charsetRegExp.test(value)) {
- var charset = mime.charsets.lookup(value.split(';')[0]);
- if (charset) value += '; charset=' + charset.toLowerCase();
- }
- }
-
- this.setHeader(field, value);
- } else {
- for (var key in field) {
- this.set(key, field[key]);
- }
- }
- return this;
-};
-
-/**
- * Get value for header `field`.
- *
- * @param {String} field
- * @return {String}
- * @public
- */
-
-res.get = function(field){
- return this.getHeader(field);
-};
-
-/**
- * Clear cookie `name`.
- *
- * @param {String} name
- * @param {Object} [options]
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.clearCookie = function clearCookie(name, options) {
- var opts = merge({ expires: new Date(1), path: '/' }, options);
-
- return this.cookie(name, '', opts);
-};
-
-/**
- * Set cookie `name` to `value`, with the given `options`.
- *
- * Options:
- *
- * - `maxAge` max-age in milliseconds, converted to `expires`
- * - `signed` sign the cookie
- * - `path` defaults to "/"
- *
- * Examples:
- *
- * // "Remember Me" for 15 minutes
- * res.cookie('rememberme', '1', { expires: new Date(Date.now() + 900000), httpOnly: true });
- *
- * // same as above
- * res.cookie('rememberme', '1', { maxAge: 900000, httpOnly: true })
- *
- * @param {String} name
- * @param {String|Object} value
- * @param {Object} [options]
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.cookie = function (name, value, options) {
- var opts = merge({}, options);
- var secret = this.req.secret;
- var signed = opts.signed;
-
- if (signed && !secret) {
- throw new Error('cookieParser("secret") required for signed cookies');
- }
-
- var val = typeof value === 'object'
- ? 'j:' + JSON.stringify(value)
- : String(value);
-
- if (signed) {
- val = 's:' + sign(val, secret);
- }
-
- if (opts.maxAge != null) {
- var maxAge = opts.maxAge - 0
-
- if (!isNaN(maxAge)) {
- opts.expires = new Date(Date.now() + maxAge)
- opts.maxAge = Math.floor(maxAge / 1000)
- }
- }
-
- if (opts.path == null) {
- opts.path = '/';
- }
-
- this.append('Set-Cookie', cookie.serialize(name, String(val), opts));
-
- return this;
-};
-
-/**
- * Set the location header to `url`.
- *
- * The given `url` can also be "back", which redirects
- * to the _Referrer_ or _Referer_ headers or "/".
- *
- * Examples:
- *
- * res.location('/foo/bar').;
- * res.location('http://example.com');
- * res.location('../login');
- *
- * @param {String} url
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.location = function location(url) {
- var loc;
-
- // "back" is an alias for the referrer
- if (url === 'back') {
- loc = this.req.get('Referrer') || '/';
- } else {
- loc = String(url);
- }
-
- var m = schemaAndHostRegExp.exec(loc);
- var pos = m ? m[0].length + 1 : 0;
-
- // Only encode after host to avoid invalid encoding which can introduce
- // vulnerabilities (e.g. `\\` to `%5C`).
- loc = loc.slice(0, pos) + encodeUrl(loc.slice(pos));
-
- return this.set('Location', loc);
-};
-
-/**
- * Redirect to the given `url` with optional response `status`
- * defaulting to 302.
- *
- * The resulting `url` is determined by `res.location()`, so
- * it will play nicely with mounted apps, relative paths,
- * `"back"` etc.
- *
- * Examples:
- *
- * res.redirect('/foo/bar');
- * res.redirect('http://example.com');
- * res.redirect(301, 'http://example.com');
- * res.redirect('../login'); // /blog/post/1 -> /blog/login
- *
- * @public
- */
-
-res.redirect = function redirect(url) {
- var address = url;
- var body;
- var status = 302;
-
- // allow status / url
- if (arguments.length === 2) {
- if (typeof arguments[0] === 'number') {
- status = arguments[0];
- address = arguments[1];
- } else {
- deprecate('res.redirect(url, status): Use res.redirect(status, url) instead');
- status = arguments[1];
- }
- }
-
- // Set location header
- address = this.location(address).get('Location');
-
- // Support text/{plain,html} by default
- this.format({
- text: function(){
- body = statuses.message[status] + '. Redirecting to ' + address
- },
-
- html: function(){
- var u = escapeHtml(address);
- body = '<p>' + statuses.message[status] + '. Redirecting to <a href="' + u + '">' + u + '</a></p>'
- },
-
- default: function(){
- body = '';
- }
- });
-
- // Respond
- this.statusCode = status;
- this.set('Content-Length', Buffer.byteLength(body));
-
- if (this.req.method === 'HEAD') {
- this.end();
- } else {
- this.end(body);
- }
-};
-
-/**
- * Add `field` to Vary. If already present in the Vary set, then
- * this call is simply ignored.
- *
- * @param {Array|String} field
- * @return {ServerResponse} for chaining
- * @public
- */
-
-res.vary = function(field){
- // checks for back-compat
- if (!field || (Array.isArray(field) && !field.length)) {
- deprecate('res.vary(): Provide a field name');
- return this;
- }
-
- vary(this, field);
-
- return this;
-};
-
-/**
- * Render `view` with the given `options` and optional callback `fn`.
- * When a callback function is given a response will _not_ be made
- * automatically, otherwise a response of _200_ and _text/html_ is given.
- *
- * Options:
- *
- * - `cache` boolean hinting to the engine it should cache
- * - `filename` filename of the view being rendered
- *
- * @public
- */
-
-res.render = function render(view, options, callback) {
- var app = this.req.app;
- var done = callback;
- var opts = options || {};
- var req = this.req;
- var self = this;
-
- // support callback function as second arg
- if (typeof options === 'function') {
- done = options;
- opts = {};
- }
-
- // merge res.locals
- opts._locals = self.locals;
-
- // default callback to respond
- done = done || function (err, str) {
- if (err) return req.next(err);
- self.send(str);
- };
-
- // render
- app.render(view, opts, done);
-};
-
-// pipe the send file stream
-function sendfile(res, file, options, callback) {
- var done = false;
- var streaming;
-
- // request aborted
- function onaborted() {
- if (done) return;
- done = true;
-
- var err = new Error('Request aborted');
- err.code = 'ECONNABORTED';
- callback(err);
- }
-
- // directory
- function ondirectory() {
- if (done) return;
- done = true;
-
- var err = new Error('EISDIR, read');
- err.code = 'EISDIR';
- callback(err);
- }
-
- // errors
- function onerror(err) {
- if (done) return;
- done = true;
- callback(err);
- }
-
- // ended
- function onend() {
- if (done) return;
- done = true;
- callback();
- }
-
- // file
- function onfile() {
- streaming = false;
- }
-
- // finished
- function onfinish(err) {
- if (err && err.code === 'ECONNRESET') return onaborted();
- if (err) return onerror(err);
- if (done) return;
-
- setImmediate(function () {
- if (streaming !== false && !done) {
- onaborted();
- return;
- }
-
- if (done) return;
- done = true;
- callback();
- });
- }
-
- // streaming
- function onstream() {
- streaming = true;
- }
-
- file.on('directory', ondirectory);
- file.on('end', onend);
- file.on('error', onerror);
- file.on('file', onfile);
- file.on('stream', onstream);
- onFinished(res, onfinish);
-
- if (options.headers) {
- // set headers on successful transfer
- file.on('headers', function headers(res) {
- var obj = options.headers;
- var keys = Object.keys(obj);
-
- for (var i = 0; i < keys.length; i++) {
- var k = keys[i];
- res.setHeader(k, obj[k]);
- }
- });
- }
-
- // pipe
- file.pipe(res);
-}
-
-/**
- * Stringify JSON, like JSON.stringify, but v8 optimized, with the
- * ability to escape characters that can trigger HTML sniffing.
- *
- * @param {*} value
- * @param {function} replacer
- * @param {number} spaces
- * @param {boolean} escape
- * @returns {string}
- * @private
- */
-
-function stringify (value, replacer, spaces, escape) {
- // v8 checks arguments.length for optimizing simple call
- // https://bugs.chromium.org/p/v8/issues/detail?id=4730
- var json = replacer || spaces
- ? JSON.stringify(value, replacer, spaces)
- : JSON.stringify(value);
-
- if (escape && typeof json === 'string') {
- json = json.replace(/[<>&]/g, function (c) {
- switch (c.charCodeAt(0)) {
- case 0x3c:
- return '\\u003c'
- case 0x3e:
- return '\\u003e'
- case 0x26:
- return '\\u0026'
- /* istanbul ignore next: unreachable default */
- default:
- return c
- }
- })
- }
-
- return json
-}
diff --git a/backend/node_modules/express/lib/router/index.js b/backend/node_modules/express/lib/router/index.js
deleted file mode 100644
index abb3a6f..0000000
--- a/backend/node_modules/express/lib/router/index.js
+++ /dev/null
@@ -1,673 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var Route = require('./route');
-var Layer = require('./layer');
-var methods = require('methods');
-var mixin = require('utils-merge');
-var debug = require('debug')('express:router');
-var deprecate = require('depd')('express');
-var flatten = require('array-flatten');
-var parseUrl = require('parseurl');
-var setPrototypeOf = require('setprototypeof')
-
-/**
- * Module variables.
- * @private
- */
-
-var objectRegExp = /^\[object (\S+)\]$/;
-var slice = Array.prototype.slice;
-var toString = Object.prototype.toString;
-
-/**
- * Initialize a new `Router` with the given `options`.
- *
- * @param {Object} [options]
- * @return {Router} which is a callable function
- * @public
- */
-
-var proto = module.exports = function(options) {
- var opts = options || {};
-
- function router(req, res, next) {
- router.handle(req, res, next);
- }
-
- // mixin Router class functions
- setPrototypeOf(router, proto)
-
- router.params = {};
- router._params = [];
- router.caseSensitive = opts.caseSensitive;
- router.mergeParams = opts.mergeParams;
- router.strict = opts.strict;
- router.stack = [];
-
- return router;
-};
-
-/**
- * Map the given param placeholder `name`(s) to the given callback.
- *
- * Parameter mapping is used to provide pre-conditions to routes
- * which use normalized placeholders. For example a _:user_id_ parameter
- * could automatically load a user's information from the database without
- * any additional code,
- *
- * The callback uses the same signature as middleware, the only difference
- * being that the value of the placeholder is passed, in this case the _id_
- * of the user. Once the `next()` function is invoked, just like middleware
- * it will continue on to execute the route, or subsequent parameter functions.
- *
- * Just like in middleware, you must either respond to the request or call next
- * to avoid stalling the request.
- *
- * app.param('user_id', function(req, res, next, id){
- * User.find(id, function(err, user){
- * if (err) {
- * return next(err);
- * } else if (!user) {
- * return next(new Error('failed to load user'));
- * }
- * req.user = user;
- * next();
- * });
- * });
- *
- * @param {String} name
- * @param {Function} fn
- * @return {app} for chaining
- * @public
- */
-
-proto.param = function param(name, fn) {
- // param logic
- if (typeof name === 'function') {
- deprecate('router.param(fn): Refactor to use path params');
- this._params.push(name);
- return;
- }
-
- // apply param functions
- var params = this._params;
- var len = params.length;
- var ret;
-
- if (name[0] === ':') {
- deprecate('router.param(' + JSON.stringify(name) + ', fn): Use router.param(' + JSON.stringify(name.slice(1)) + ', fn) instead')
- name = name.slice(1)
- }
-
- for (var i = 0; i < len; ++i) {
- if (ret = params[i](name, fn)) {
- fn = ret;
- }
- }
-
- // ensure we end up with a
- // middleware function
- if ('function' !== typeof fn) {
- throw new Error('invalid param() call for ' + name + ', got ' + fn);
- }
-
- (this.params[name] = this.params[name] || []).push(fn);
- return this;
-};
-
-/**
- * Dispatch a req, res into the router.
- * @private
- */
-
-proto.handle = function handle(req, res, out) {
- var self = this;
-
- debug('dispatching %s %s', req.method, req.url);
-
- var idx = 0;
- var protohost = getProtohost(req.url) || ''
- var removed = '';
- var slashAdded = false;
- var sync = 0
- var paramcalled = {};
-
- // store options for OPTIONS request
- // only used if OPTIONS request
- var options = [];
-
- // middleware and routes
- var stack = self.stack;
-
- // manage inter-router variables
- var parentParams = req.params;
- var parentUrl = req.baseUrl || '';
- var done = restore(out, req, 'baseUrl', 'next', 'params');
-
- // setup next layer
- req.next = next;
-
- // for options requests, respond with a default if nothing else responds
- if (req.method === 'OPTIONS') {
- done = wrap(done, function(old, err) {
- if (err || options.length === 0) return old(err);
- sendOptionsResponse(res, options, old);
- });
- }
-
- // setup basic req values
- req.baseUrl = parentUrl;
- req.originalUrl = req.originalUrl || req.url;
-
- next();
-
- function next(err) {
- var layerError = err === 'route'
- ? null
- : err;
-
- // remove added slash
- if (slashAdded) {
- req.url = req.url.slice(1)
- slashAdded = false;
- }
-
- // restore altered req.url
- if (removed.length !== 0) {
- req.baseUrl = parentUrl;
- req.url = protohost + removed + req.url.slice(protohost.length)
- removed = '';
- }
-
- // signal to exit router
- if (layerError === 'router') {
- setImmediate(done, null)
- return
- }
-
- // no more matching layers
- if (idx >= stack.length) {
- setImmediate(done, layerError);
- return;
- }
-
- // max sync stack
- if (++sync > 100) {
- return setImmediate(next, err)
- }
-
- // get pathname of request
- var path = getPathname(req);
-
- if (path == null) {
- return done(layerError);
- }
-
- // find next matching layer
- var layer;
- var match;
- var route;
-
- while (match !== true && idx < stack.length) {
- layer = stack[idx++];
- match = matchLayer(layer, path);
- route = layer.route;
-
- if (typeof match !== 'boolean') {
- // hold on to layerError
- layerError = layerError || match;
- }
-
- if (match !== true) {
- continue;
- }
-
- if (!route) {
- // process non-route handlers normally
- continue;
- }
-
- if (layerError) {
- // routes do not match with a pending error
- match = false;
- continue;
- }
-
- var method = req.method;
- var has_method = route._handles_method(method);
-
- // build up automatic options response
- if (!has_method && method === 'OPTIONS') {
- appendMethods(options, route._options());
- }
-
- // don't even bother matching route
- if (!has_method && method !== 'HEAD') {
- match = false;
- }
- }
-
- // no match
- if (match !== true) {
- return done(layerError);
- }
-
- // store route for dispatch on change
- if (route) {
- req.route = route;
- }
-
- // Capture one-time layer values
- req.params = self.mergeParams
- ? mergeParams(layer.params, parentParams)
- : layer.params;
- var layerPath = layer.path;
-
- // this should be done for the layer
- self.process_params(layer, paramcalled, req, res, function (err) {
- if (err) {
- next(layerError || err)
- } else if (route) {
- layer.handle_request(req, res, next)
- } else {
- trim_prefix(layer, layerError, layerPath, path)
- }
-
- sync = 0
- });
- }
-
- function trim_prefix(layer, layerError, layerPath, path) {
- if (layerPath.length !== 0) {
- // Validate path is a prefix match
- if (layerPath !== path.slice(0, layerPath.length)) {
- next(layerError)
- return
- }
-
- // Validate path breaks on a path separator
- var c = path[layerPath.length]
- if (c && c !== '/' && c !== '.') return next(layerError)
-
- // Trim off the part of the url that matches the route
- // middleware (.use stuff) needs to have the path stripped
- debug('trim prefix (%s) from url %s', layerPath, req.url);
- removed = layerPath;
- req.url = protohost + req.url.slice(protohost.length + removed.length)
-
- // Ensure leading slash
- if (!protohost && req.url[0] !== '/') {
- req.url = '/' + req.url;
- slashAdded = true;
- }
-
- // Setup base URL (no trailing slash)
- req.baseUrl = parentUrl + (removed[removed.length - 1] === '/'
- ? removed.substring(0, removed.length - 1)
- : removed);
- }
-
- debug('%s %s : %s', layer.name, layerPath, req.originalUrl);
-
- if (layerError) {
- layer.handle_error(layerError, req, res, next);
- } else {
- layer.handle_request(req, res, next);
- }
- }
-};
-
-/**
- * Process any parameters for the layer.
- * @private
- */
-
-proto.process_params = function process_params(layer, called, req, res, done) {
- var params = this.params;
-
- // captured parameters from the layer, keys and values
- var keys = layer.keys;
-
- // fast track
- if (!keys || keys.length === 0) {
- return done();
- }
-
- var i = 0;
- var name;
- var paramIndex = 0;
- var key;
- var paramVal;
- var paramCallbacks;
- var paramCalled;
-
- // process params in order
- // param callbacks can be async
- function param(err) {
- if (err) {
- return done(err);
- }
-
- if (i >= keys.length ) {
- return done();
- }
-
- paramIndex = 0;
- key = keys[i++];
- name = key.name;
- paramVal = req.params[name];
- paramCallbacks = params[name];
- paramCalled = called[name];
-
- if (paramVal === undefined || !paramCallbacks) {
- return param();
- }
-
- // param previously called with same value or error occurred
- if (paramCalled && (paramCalled.match === paramVal
- || (paramCalled.error && paramCalled.error !== 'route'))) {
- // restore value
- req.params[name] = paramCalled.value;
-
- // next param
- return param(paramCalled.error);
- }
-
- called[name] = paramCalled = {
- error: null,
- match: paramVal,
- value: paramVal
- };
-
- paramCallback();
- }
-
- // single param callbacks
- function paramCallback(err) {
- var fn = paramCallbacks[paramIndex++];
-
- // store updated value
- paramCalled.value = req.params[key.name];
-
- if (err) {
- // store error
- paramCalled.error = err;
- param(err);
- return;
- }
-
- if (!fn) return param();
-
- try {
- fn(req, res, paramCallback, paramVal, key.name);
- } catch (e) {
- paramCallback(e);
- }
- }
-
- param();
-};
-
-/**
- * Use the given middleware function, with optional path, defaulting to "/".
- *
- * Use (like `.all`) will run for any http METHOD, but it will not add
- * handlers for those methods so OPTIONS requests will not consider `.use`
- * functions even if they could respond.
- *
- * The other difference is that _route_ path is stripped and not visible
- * to the handler function. The main effect of this feature is that mounted
- * handlers can operate without any code changes regardless of the "prefix"
- * pathname.
- *
- * @public
- */
-
-proto.use = function use(fn) {
- var offset = 0;
- var path = '/';
-
- // default path to '/'
- // disambiguate router.use([fn])
- if (typeof fn !== 'function') {
- var arg = fn;
-
- while (Array.isArray(arg) && arg.length !== 0) {
- arg = arg[0];
- }
-
- // first arg is the path
- if (typeof arg !== 'function') {
- offset = 1;
- path = fn;
- }
- }
-
- var callbacks = flatten(slice.call(arguments, offset));
-
- if (callbacks.length === 0) {
- throw new TypeError('Router.use() requires a middleware function')
- }
-
- for (var i = 0; i < callbacks.length; i++) {
- var fn = callbacks[i];
-
- if (typeof fn !== 'function') {
- throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn))
- }
-
- // add the middleware
- debug('use %o %s', path, fn.name || '<anonymous>')
-
- var layer = new Layer(path, {
- sensitive: this.caseSensitive,
- strict: false,
- end: false
- }, fn);
-
- layer.route = undefined;
-
- this.stack.push(layer);
- }
-
- return this;
-};
-
-/**
- * Create a new Route for the given path.
- *
- * Each route contains a separate middleware stack and VERB handlers.
- *
- * See the Route api documentation for details on adding handlers
- * and middleware to routes.
- *
- * @param {String} path
- * @return {Route}
- * @public
- */
-
-proto.route = function route(path) {
- var route = new Route(path);
-
- var layer = new Layer(path, {
- sensitive: this.caseSensitive,
- strict: this.strict,
- end: true
- }, route.dispatch.bind(route));
-
- layer.route = route;
-
- this.stack.push(layer);
- return route;
-};
-
-// create Router#VERB functions
-methods.concat('all').forEach(function(method){
- proto[method] = function(path){
- var route = this.route(path)
- route[method].apply(route, slice.call(arguments, 1));
- return this;
- };
-});
-
-// append methods to a list of methods
-function appendMethods(list, addition) {
- for (var i = 0; i < addition.length; i++) {
- var method = addition[i];
- if (list.indexOf(method) === -1) {
- list.push(method);
- }
- }
-}
-
-// get pathname of request
-function getPathname(req) {
- try {
- return parseUrl(req).pathname;
- } catch (err) {
- return undefined;
- }
-}
-
-// Get get protocol + host for a URL
-function getProtohost(url) {
- if (typeof url !== 'string' || url.length === 0 || url[0] === '/') {
- return undefined
- }
-
- var searchIndex = url.indexOf('?')
- var pathLength = searchIndex !== -1
- ? searchIndex
- : url.length
- var fqdnIndex = url.slice(0, pathLength).indexOf('://')
-
- return fqdnIndex !== -1
- ? url.substring(0, url.indexOf('/', 3 + fqdnIndex))
- : undefined
-}
-
-// get type for error message
-function gettype(obj) {
- var type = typeof obj;
-
- if (type !== 'object') {
- return type;
- }
-
- // inspect [[Class]] for objects
- return toString.call(obj)
- .replace(objectRegExp, '$1');
-}
-
-/**
- * Match path to a layer.
- *
- * @param {Layer} layer
- * @param {string} path
- * @private
- */
-
-function matchLayer(layer, path) {
- try {
- return layer.match(path);
- } catch (err) {
- return err;
- }
-}
-
-// merge params with parent params
-function mergeParams(params, parent) {
- if (typeof parent !== 'object' || !parent) {
- return params;
- }
-
- // make copy of parent for base
- var obj = mixin({}, parent);
-
- // simple non-numeric merging
- if (!(0 in params) || !(0 in parent)) {
- return mixin(obj, params);
- }
-
- var i = 0;
- var o = 0;
-
- // determine numeric gaps
- while (i in params) {
- i++;
- }
-
- while (o in parent) {
- o++;
- }
-
- // offset numeric indices in params before merge
- for (i--; i >= 0; i--) {
- params[i + o] = params[i];
-
- // create holes for the merge when necessary
- if (i < o) {
- delete params[i];
- }
- }
-
- return mixin(obj, params);
-}
-
-// restore obj props after function
-function restore(fn, obj) {
- var props = new Array(arguments.length - 2);
- var vals = new Array(arguments.length - 2);
-
- for (var i = 0; i < props.length; i++) {
- props[i] = arguments[i + 2];
- vals[i] = obj[props[i]];
- }
-
- return function () {
- // restore vals
- for (var i = 0; i < props.length; i++) {
- obj[props[i]] = vals[i];
- }
-
- return fn.apply(this, arguments);
- };
-}
-
-// send an OPTIONS response
-function sendOptionsResponse(res, options, next) {
- try {
- var body = options.join(',');
- res.set('Allow', body);
- res.send(body);
- } catch (err) {
- next(err);
- }
-}
-
-// wrap a function
-function wrap(old, fn) {
- return function proxy() {
- var args = new Array(arguments.length + 1);
-
- args[0] = old;
- for (var i = 0, len = arguments.length; i < len; i++) {
- args[i + 1] = arguments[i];
- }
-
- fn.apply(this, args);
- };
-}
diff --git a/backend/node_modules/express/lib/router/layer.js b/backend/node_modules/express/lib/router/layer.js
deleted file mode 100644
index 4dc8e86..0000000
--- a/backend/node_modules/express/lib/router/layer.js
+++ /dev/null
@@ -1,181 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var pathRegexp = require('path-to-regexp');
-var debug = require('debug')('express:router:layer');
-
-/**
- * Module variables.
- * @private
- */
-
-var hasOwnProperty = Object.prototype.hasOwnProperty;
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = Layer;
-
-function Layer(path, options, fn) {
- if (!(this instanceof Layer)) {
- return new Layer(path, options, fn);
- }
-
- debug('new %o', path)
- var opts = options || {};
-
- this.handle = fn;
- this.name = fn.name || '<anonymous>';
- this.params = undefined;
- this.path = undefined;
- this.regexp = pathRegexp(path, this.keys = [], opts);
-
- // set fast path flags
- this.regexp.fast_star = path === '*'
- this.regexp.fast_slash = path === '/' && opts.end === false
-}
-
-/**
- * Handle the error for the layer.
- *
- * @param {Error} error
- * @param {Request} req
- * @param {Response} res
- * @param {function} next
- * @api private
- */
-
-Layer.prototype.handle_error = function handle_error(error, req, res, next) {
- var fn = this.handle;
-
- if (fn.length !== 4) {
- // not a standard error handler
- return next(error);
- }
-
- try {
- fn(error, req, res, next);
- } catch (err) {
- next(err);
- }
-};
-
-/**
- * Handle the request for the layer.
- *
- * @param {Request} req
- * @param {Response} res
- * @param {function} next
- * @api private
- */
-
-Layer.prototype.handle_request = function handle(req, res, next) {
- var fn = this.handle;
-
- if (fn.length > 3) {
- // not a standard request handler
- return next();
- }
-
- try {
- fn(req, res, next);
- } catch (err) {
- next(err);
- }
-};
-
-/**
- * Check if this route matches `path`, if so
- * populate `.params`.
- *
- * @param {String} path
- * @return {Boolean}
- * @api private
- */
-
-Layer.prototype.match = function match(path) {
- var match
-
- if (path != null) {
- // fast path non-ending match for / (any path matches)
- if (this.regexp.fast_slash) {
- this.params = {}
- this.path = ''
- return true
- }
-
- // fast path for * (everything matched in a param)
- if (this.regexp.fast_star) {
- this.params = {'0': decode_param(path)}
- this.path = path
- return true
- }
-
- // match the path
- match = this.regexp.exec(path)
- }
-
- if (!match) {
- this.params = undefined;
- this.path = undefined;
- return false;
- }
-
- // store values
- this.params = {};
- this.path = match[0]
-
- var keys = this.keys;
- var params = this.params;
-
- for (var i = 1; i < match.length; i++) {
- var key = keys[i - 1];
- var prop = key.name;
- var val = decode_param(match[i])
-
- if (val !== undefined || !(hasOwnProperty.call(params, prop))) {
- params[prop] = val;
- }
- }
-
- return true;
-};
-
-/**
- * Decode param value.
- *
- * @param {string} val
- * @return {string}
- * @private
- */
-
-function decode_param(val) {
- if (typeof val !== 'string' || val.length === 0) {
- return val;
- }
-
- try {
- return decodeURIComponent(val);
- } catch (err) {
- if (err instanceof URIError) {
- err.message = 'Failed to decode param \'' + val + '\'';
- err.status = err.statusCode = 400;
- }
-
- throw err;
- }
-}
diff --git a/backend/node_modules/express/lib/router/route.js b/backend/node_modules/express/lib/router/route.js
deleted file mode 100644
index a65756d..0000000
--- a/backend/node_modules/express/lib/router/route.js
+++ /dev/null
@@ -1,230 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var debug = require('debug')('express:router:route');
-var flatten = require('array-flatten');
-var Layer = require('./layer');
-var methods = require('methods');
-
-/**
- * Module variables.
- * @private
- */
-
-var slice = Array.prototype.slice;
-var toString = Object.prototype.toString;
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = Route;
-
-/**
- * Initialize `Route` with the given `path`,
- *
- * @param {String} path
- * @public
- */
-
-function Route(path) {
- this.path = path;
- this.stack = [];
-
- debug('new %o', path)
-
- // route handlers for various http methods
- this.methods = {};
-}
-
-/**
- * Determine if the route handles a given method.
- * @private
- */
-
-Route.prototype._handles_method = function _handles_method(method) {
- if (this.methods._all) {
- return true;
- }
-
- // normalize name
- var name = typeof method === 'string'
- ? method.toLowerCase()
- : method
-
- if (name === 'head' && !this.methods['head']) {
- name = 'get';
- }
-
- return Boolean(this.methods[name]);
-};
-
-/**
- * @return {Array} supported HTTP methods
- * @private
- */
-
-Route.prototype._options = function _options() {
- var methods = Object.keys(this.methods);
-
- // append automatic head
- if (this.methods.get && !this.methods.head) {
- methods.push('head');
- }
-
- for (var i = 0; i < methods.length; i++) {
- // make upper case
- methods[i] = methods[i].toUpperCase();
- }
-
- return methods;
-};
-
-/**
- * dispatch req, res into this route
- * @private
- */
-
-Route.prototype.dispatch = function dispatch(req, res, done) {
- var idx = 0;
- var stack = this.stack;
- var sync = 0
-
- if (stack.length === 0) {
- return done();
- }
- var method = typeof req.method === 'string'
- ? req.method.toLowerCase()
- : req.method
-
- if (method === 'head' && !this.methods['head']) {
- method = 'get';
- }
-
- req.route = this;
-
- next();
-
- function next(err) {
- // signal to exit route
- if (err && err === 'route') {
- return done();
- }
-
- // signal to exit router
- if (err && err === 'router') {
- return done(err)
- }
-
- // max sync stack
- if (++sync > 100) {
- return setImmediate(next, err)
- }
-
- var layer = stack[idx++]
-
- // end of layers
- if (!layer) {
- return done(err)
- }
-
- if (layer.method && layer.method !== method) {
- next(err)
- } else if (err) {
- layer.handle_error(err, req, res, next);
- } else {
- layer.handle_request(req, res, next);
- }
-
- sync = 0
- }
-};
-
-/**
- * Add a handler for all HTTP verbs to this route.
- *
- * Behaves just like middleware and can respond or call `next`
- * to continue processing.
- *
- * You can use multiple `.all` call to add multiple handlers.
- *
- * function check_something(req, res, next){
- * next();
- * };
- *
- * function validate_user(req, res, next){
- * next();
- * };
- *
- * route
- * .all(validate_user)
- * .all(check_something)
- * .get(function(req, res, next){
- * res.send('hello world');
- * });
- *
- * @param {function} handler
- * @return {Route} for chaining
- * @api public
- */
-
-Route.prototype.all = function all() {
- var handles = flatten(slice.call(arguments));
-
- for (var i = 0; i < handles.length; i++) {
- var handle = handles[i];
-
- if (typeof handle !== 'function') {
- var type = toString.call(handle);
- var msg = 'Route.all() requires a callback function but got a ' + type
- throw new TypeError(msg);
- }
-
- var layer = Layer('/', {}, handle);
- layer.method = undefined;
-
- this.methods._all = true;
- this.stack.push(layer);
- }
-
- return this;
-};
-
-methods.forEach(function(method){
- Route.prototype[method] = function(){
- var handles = flatten(slice.call(arguments));
-
- for (var i = 0; i < handles.length; i++) {
- var handle = handles[i];
-
- if (typeof handle !== 'function') {
- var type = toString.call(handle);
- var msg = 'Route.' + method + '() requires a callback function but got a ' + type
- throw new Error(msg);
- }
-
- debug('%s %o', method, this.path)
-
- var layer = Layer('/', {}, handle);
- layer.method = method;
-
- this.methods[method] = true;
- this.stack.push(layer);
- }
-
- return this;
- };
-});
diff --git a/backend/node_modules/express/lib/utils.js b/backend/node_modules/express/lib/utils.js
deleted file mode 100644
index 56e12b9..0000000
--- a/backend/node_modules/express/lib/utils.js
+++ /dev/null
@@ -1,303 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @api private
- */
-
-var Buffer = require('safe-buffer').Buffer
-var contentDisposition = require('content-disposition');
-var contentType = require('content-type');
-var deprecate = require('depd')('express');
-var flatten = require('array-flatten');
-var mime = require('send').mime;
-var etag = require('etag');
-var proxyaddr = require('proxy-addr');
-var qs = require('qs');
-var querystring = require('querystring');
-
-/**
- * Return strong ETag for `body`.
- *
- * @param {String|Buffer} body
- * @param {String} [encoding]
- * @return {String}
- * @api private
- */
-
-exports.etag = createETagGenerator({ weak: false })
-
-/**
- * Return weak ETag for `body`.
- *
- * @param {String|Buffer} body
- * @param {String} [encoding]
- * @return {String}
- * @api private
- */
-
-exports.wetag = createETagGenerator({ weak: true })
-
-/**
- * Check if `path` looks absolute.
- *
- * @param {String} path
- * @return {Boolean}
- * @api private
- */
-
-exports.isAbsolute = function(path){
- if ('/' === path[0]) return true;
- if (':' === path[1] && ('\\' === path[2] || '/' === path[2])) return true; // Windows device path
- if ('\\\\' === path.substring(0, 2)) return true; // Microsoft Azure absolute path
-};
-
-/**
- * Flatten the given `arr`.
- *
- * @param {Array} arr
- * @return {Array}
- * @api private
- */
-
-exports.flatten = deprecate.function(flatten,
- 'utils.flatten: use array-flatten npm module instead');
-
-/**
- * Normalize the given `type`, for example "html" becomes "text/html".
- *
- * @param {String} type
- * @return {Object}
- * @api private
- */
-
-exports.normalizeType = function(type){
- return ~type.indexOf('/')
- ? acceptParams(type)
- : { value: mime.lookup(type), params: {} };
-};
-
-/**
- * Normalize `types`, for example "html" becomes "text/html".
- *
- * @param {Array} types
- * @return {Array}
- * @api private
- */
-
-exports.normalizeTypes = function(types){
- var ret = [];
-
- for (var i = 0; i < types.length; ++i) {
- ret.push(exports.normalizeType(types[i]));
- }
-
- return ret;
-};
-
-/**
- * Generate Content-Disposition header appropriate for the filename.
- * non-ascii filenames are urlencoded and a filename* parameter is added
- *
- * @param {String} filename
- * @return {String}
- * @api private
- */
-
-exports.contentDisposition = deprecate.function(contentDisposition,
- 'utils.contentDisposition: use content-disposition npm module instead');
-
-/**
- * Parse accept params `str` returning an
- * object with `.value`, `.quality` and `.params`.
- *
- * @param {String} str
- * @return {Object}
- * @api private
- */
-
-function acceptParams (str) {
- var parts = str.split(/ *; */);
- var ret = { value: parts[0], quality: 1, params: {} }
-
- for (var i = 1; i < parts.length; ++i) {
- var pms = parts[i].split(/ *= */);
- if ('q' === pms[0]) {
- ret.quality = parseFloat(pms[1]);
- } else {
- ret.params[pms[0]] = pms[1];
- }
- }
-
- return ret;
-}
-
-/**
- * Compile "etag" value to function.
- *
- * @param {Boolean|String|Function} val
- * @return {Function}
- * @api private
- */
-
-exports.compileETag = function(val) {
- var fn;
-
- if (typeof val === 'function') {
- return val;
- }
-
- switch (val) {
- case true:
- case 'weak':
- fn = exports.wetag;
- break;
- case false:
- break;
- case 'strong':
- fn = exports.etag;
- break;
- default:
- throw new TypeError('unknown value for etag function: ' + val);
- }
-
- return fn;
-}
-
-/**
- * Compile "query parser" value to function.
- *
- * @param {String|Function} val
- * @return {Function}
- * @api private
- */
-
-exports.compileQueryParser = function compileQueryParser(val) {
- var fn;
-
- if (typeof val === 'function') {
- return val;
- }
-
- switch (val) {
- case true:
- case 'simple':
- fn = querystring.parse;
- break;
- case false:
- fn = newObject;
- break;
- case 'extended':
- fn = parseExtendedQueryString;
- break;
- default:
- throw new TypeError('unknown value for query parser function: ' + val);
- }
-
- return fn;
-}
-
-/**
- * Compile "proxy trust" value to function.
- *
- * @param {Boolean|String|Number|Array|Function} val
- * @return {Function}
- * @api private
- */
-
-exports.compileTrust = function(val) {
- if (typeof val === 'function') return val;
-
- if (val === true) {
- // Support plain true/false
- return function(){ return true };
- }
-
- if (typeof val === 'number') {
- // Support trusting hop count
- return function(a, i){ return i < val };
- }
-
- if (typeof val === 'string') {
- // Support comma-separated values
- val = val.split(',')
- .map(function (v) { return v.trim() })
- }
-
- return proxyaddr.compile(val || []);
-}
-
-/**
- * Set the charset in a given Content-Type string.
- *
- * @param {String} type
- * @param {String} charset
- * @return {String}
- * @api private
- */
-
-exports.setCharset = function setCharset(type, charset) {
- if (!type || !charset) {
- return type;
- }
-
- // parse type
- var parsed = contentType.parse(type);
-
- // set charset
- parsed.parameters.charset = charset;
-
- // format type
- return contentType.format(parsed);
-};
-
-/**
- * Create an ETag generator function, generating ETags with
- * the given options.
- *
- * @param {object} options
- * @return {function}
- * @private
- */
-
-function createETagGenerator (options) {
- return function generateETag (body, encoding) {
- var buf = !Buffer.isBuffer(body)
- ? Buffer.from(body, encoding)
- : body
-
- return etag(buf, options)
- }
-}
-
-/**
- * Parse an extended query string with qs.
- *
- * @param {String} str
- * @return {Object}
- * @private
- */
-
-function parseExtendedQueryString(str) {
- return qs.parse(str, {
- allowPrototypes: true
- });
-}
-
-/**
- * Return new empty object.
- *
- * @return {Object}
- * @api private
- */
-
-function newObject() {
- return {};
-}
diff --git a/backend/node_modules/express/lib/view.js b/backend/node_modules/express/lib/view.js
deleted file mode 100644
index c08ab4d..0000000
--- a/backend/node_modules/express/lib/view.js
+++ /dev/null
@@ -1,182 +0,0 @@
-/*!
- * express
- * Copyright(c) 2009-2013 TJ Holowaychuk
- * Copyright(c) 2013 Roman Shtylman
- * Copyright(c) 2014-2015 Douglas Christopher Wilson
- * MIT Licensed
- */
-
-'use strict';
-
-/**
- * Module dependencies.
- * @private
- */
-
-var debug = require('debug')('express:view');
-var path = require('path');
-var fs = require('fs');
-
-/**
- * Module variables.
- * @private
- */
-
-var dirname = path.dirname;
-var basename = path.basename;
-var extname = path.extname;
-var join = path.join;
-var resolve = path.resolve;
-
-/**
- * Module exports.
- * @public
- */
-
-module.exports = View;
-
-/**
- * Initialize a new `View` with the given `name`.
- *
- * Options:
- *
- * - `defaultEngine` the default template engine name
- * - `engines` template engine require() cache
- * - `root` root path for view lookup
- *
- * @param {string} name
- * @param {object} options
- * @public
- */
-
-function View(name, options) {
- var opts = options || {};
-
- this.defaultEngine = opts.defaultEngine;
- this.ext = extname(name);
- this.name = name;
- this.root = opts.root;
-
- if (!this.ext && !this.defaultEngine) {
- throw new Error('No default engine was specified and no extension was provided.');
- }
-
- var fileName = name;
-
- if (!this.ext) {
- // get extension from default engine name
- this.ext = this.defaultEngine[0] !== '.'
- ? '.' + this.defaultEngine
- : this.defaultEngine;
-
- fileName += this.ext;
- }
-
- if (!opts.engines[this.ext]) {
- // load engine
- var mod = this.ext.slice(1)
- debug('require "%s"', mod)
-
- // default engine export
- var fn = require(mod).__express
-
- if (typeof fn !== 'function') {
- throw new Error('Module "' + mod + '" does not provide a view engine.')
- }
-
- opts.engines[this.ext] = fn
- }
-
- // store loaded engine
- this.engine = opts.engines[this.ext];
-
- // lookup path
- this.path = this.lookup(fileName);
-}
-
-/**
- * Lookup view by the given `name`
- *
- * @param {string} name
- * @private
- */
-
-View.prototype.lookup = function lookup(name) {
- var path;
- var roots = [].concat(this.root);
-
- debug('lookup "%s"', name);
-
- for (var i = 0; i < roots.length && !path; i++) {
- var root = roots[i];
-
- // resolve the path
- var loc = resolve(root, name);
- var dir = dirname(loc);
- var file = basename(loc);
-
- // resolve the file
- path = this.resolve(dir, file);
- }
-
- return path;
-};
-
-/**
- * Render with the given options.
- *
- * @param {object} options
- * @param {function} callback
- * @private
- */
-
-View.prototype.render = function render(options, callback) {
- debug('render "%s"', this.path);
- this.engine(this.path, options, callback);
-};
-
-/**
- * Resolve the file within the given directory.
- *
- * @param {string} dir
- * @param {string} file
- * @private
- */
-
-View.prototype.resolve = function resolve(dir, file) {
- var ext = this.ext;
-
- // <path>.<ext>
- var path = join(dir, file);
- var stat = tryStat(path);
-
- if (stat && stat.isFile()) {
- return path;
- }
-
- // <path>/index.<ext>
- path = join(dir, basename(file, ext), 'index' + ext);
- stat = tryStat(path);
-
- if (stat && stat.isFile()) {
- return path;
- }
-};
-
-/**
- * Return a stat, maybe.
- *
- * @param {string} path
- * @return {fs.Stats}
- * @private
- */
-
-function tryStat(path) {
- debug('stat "%s"', path);
-
- try {
- return fs.statSync(path);
- } catch (e) {
- return undefined;
- }
-}