mirror of
https://github.com/KevinMidboe/zoff.git
synced 2025-10-29 18:00:23 +00:00
Started on node.js+socket.io+mongoDB on the backend for more responsivnes
This commit is contained in:
KasperRT
971
server/node_modules/express/lib/response.js
generated
vendored
Executable file
971
server/node_modules/express/lib/response.js
generated
vendored
Executable file
@@ -0,0 +1,971 @@
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/**
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* Module dependencies.
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*/
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var contentDisposition = require('content-disposition');
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var deprecate = require('depd')('express');
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var escapeHtml = require('escape-html');
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var http = require('http');
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var isAbsolute = require('./utils').isAbsolute;
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var onFinished = require('on-finished');
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var path = require('path');
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var merge = require('utils-merge');
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var sign = require('cookie-signature').sign;
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var normalizeType = require('./utils').normalizeType;
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var normalizeTypes = require('./utils').normalizeTypes;
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var setCharset = require('./utils').setCharset;
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var statusCodes = http.STATUS_CODES;
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var cookie = require('cookie');
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var send = require('send');
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var extname = path.extname;
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var mime = send.mime;
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var resolve = path.resolve;
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var vary = require('vary');
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/**
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* Response prototype.
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*/
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var res = module.exports = {
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__proto__: http.ServerResponse.prototype
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};
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/**
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* Set status `code`.
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*
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* @param {Number} code
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* @return {ServerResponse}
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* @api public
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*/
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res.status = function(code){
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this.statusCode = code;
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return this;
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};
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/**
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* Set Link header field with the given `links`.
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*
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* Examples:
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*
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* res.links({
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* next: 'http://api.example.com/users?page=2',
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* last: 'http://api.example.com/users?page=5'
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* });
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*
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* @param {Object} links
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* @return {ServerResponse}
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* @api public
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*/
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res.links = function(links){
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var link = this.get('Link') || '';
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if (link) link += ', ';
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return this.set('Link', link + Object.keys(links).map(function(rel){
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return '<' + links[rel] + '>; rel="' + rel + '"';
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}).join(', '));
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};
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/**
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* Send a response.
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*
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* Examples:
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*
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* res.send(new Buffer('wahoo'));
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* res.send({ some: 'json' });
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* res.send('<p>some html</p>');
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*
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* @param {string|number|boolean|object|Buffer} body
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* @api public
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*/
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res.send = function send(body) {
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var chunk = body;
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var encoding;
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var len;
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var req = this.req;
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var type;
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// settings
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var app = this.app;
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// allow status / body
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if (arguments.length === 2) {
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// res.send(body, status) backwards compat
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if (typeof arguments[0] !== 'number' && typeof arguments[1] === 'number') {
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deprecate('res.send(body, status): Use res.status(status).send(body) instead');
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this.statusCode = arguments[1];
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} else {
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deprecate('res.send(status, body): Use res.status(status).send(body) instead');
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this.statusCode = arguments[0];
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chunk = arguments[1];
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}
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}
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// disambiguate res.send(status) and res.send(status, num)
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if (typeof chunk === 'number' && arguments.length === 1) {
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// res.send(status) will set status message as text string
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if (!this.get('Content-Type')) {
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this.type('txt');
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}
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deprecate('res.send(status): Use res.sendStatus(status) instead');
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this.statusCode = chunk;
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chunk = http.STATUS_CODES[chunk];
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}
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switch (typeof chunk) {
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// string defaulting to html
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case 'string':
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if (!this.get('Content-Type')) {
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this.type('html');
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}
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break;
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||||
case 'boolean':
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case 'number':
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case 'object':
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if (chunk === null) {
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chunk = '';
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||||
} else if (Buffer.isBuffer(chunk)) {
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||||
if (!this.get('Content-Type')) {
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this.type('bin');
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||||
}
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} else {
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return this.json(chunk);
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}
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||||
break;
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||||
}
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||||
// write strings in utf-8
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if (typeof chunk === 'string') {
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encoding = 'utf8';
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type = this.get('Content-Type');
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// reflect this in content-type
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if (typeof type === 'string') {
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this.set('Content-Type', setCharset(type, 'utf-8'));
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}
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||||
}
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// populate Content-Length
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if (chunk !== undefined) {
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||||
if (!Buffer.isBuffer(chunk)) {
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// convert chunk to Buffer; saves later double conversions
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chunk = new Buffer(chunk, encoding);
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||||
encoding = undefined;
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||||
}
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len = chunk.length;
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this.set('Content-Length', len);
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}
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||||
// method check
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var isHead = req.method === 'HEAD';
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// ETag support
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if (len !== undefined && (isHead || req.method === 'GET')) {
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var etag = app.get('etag fn');
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if (etag && !this.get('ETag')) {
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etag = etag(chunk, encoding);
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etag && this.set('ETag', etag);
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}
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}
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// freshness
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if (req.fresh) this.statusCode = 304;
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||||
// strip irrelevant headers
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||||
if (204 == this.statusCode || 304 == this.statusCode) {
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this.removeHeader('Content-Type');
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||||
this.removeHeader('Content-Length');
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this.removeHeader('Transfer-Encoding');
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chunk = '';
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||||
}
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||||
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||||
// skip body for HEAD
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||||
if (isHead) {
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||||
this.end();
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||||
}
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||||
// respond
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||||
this.end(chunk, encoding);
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return this;
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};
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/**
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||||
* Send JSON response.
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||||
*
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||||
* Examples:
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||||
*
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||||
* res.json(null);
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||||
* res.json({ user: 'tj' });
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||||
*
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||||
* @param {string|number|boolean|object} obj
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||||
* @api public
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||||
*/
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||||
|
||||
res.json = function json(obj) {
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||||
var val = obj;
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||||
|
||||
// allow status / body
|
||||
if (arguments.length === 2) {
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||||
// 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];
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||||
val = arguments[1];
|
||||
}
|
||||
}
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||||
|
||||
// settings
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||||
var app = this.app;
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||||
var replacer = app.get('json replacer');
|
||||
var spaces = app.get('json spaces');
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||||
var body = JSON.stringify(val, replacer, spaces);
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||||
|
||||
// content-type
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||||
if (!this.get('Content-Type')) {
|
||||
this.set('Content-Type', 'application/json');
|
||||
}
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||||
|
||||
return this.send(body);
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||||
};
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||||
|
||||
/**
|
||||
* Send JSON response with JSONP callback support.
|
||||
*
|
||||
* Examples:
|
||||
*
|
||||
* res.jsonp(null);
|
||||
* res.jsonp({ user: 'tj' });
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||||
*
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||||
* @param {string|number|boolean|object} obj
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||||
* @api public
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||||
*/
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||||
|
||||
res.jsonp = function jsonp(obj) {
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||||
var val = obj;
|
||||
|
||||
// allow status / body
|
||||
if (arguments.length === 2) {
|
||||
// res.json(body, status) backwards compat
|
||||
if (typeof arguments[1] === 'number') {
|
||||
deprecate('res.jsonp(obj, status): Use res.status(status).json(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 replacer = app.get('json replacer');
|
||||
var spaces = app.get('json spaces');
|
||||
var body = JSON.stringify(val, replacer, spaces);
|
||||
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.charset = 'utf-8';
|
||||
this.set('X-Content-Type-Options', 'nosniff');
|
||||
this.set('Content-Type', 'text/javascript');
|
||||
|
||||
// restrict callback charset
|
||||
callback = callback.replace(/[^\[\]\w$.]/g, '');
|
||||
|
||||
// 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
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.sendStatus = function sendStatus(statusCode) {
|
||||
var body = http.STATUS_CODES[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 `fn(err)` is invoked when the transfer is complete
|
||||
* or when an error occurs. Be sure to check `res.sentHeader`
|
||||
* 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.');
|
||||
* }
|
||||
* });
|
||||
* });
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.sendFile = function sendFile(path, options, fn) {
|
||||
var req = this.req;
|
||||
var res = this;
|
||||
var next = req.next;
|
||||
|
||||
if (!path) {
|
||||
throw new TypeError('path argument is required to res.sendFile');
|
||||
}
|
||||
|
||||
// support function as second arg
|
||||
if (typeof options === 'function') {
|
||||
fn = options;
|
||||
options = {};
|
||||
}
|
||||
|
||||
options = options || {};
|
||||
|
||||
if (!options.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, options);
|
||||
|
||||
// transfer
|
||||
sendfile(res, file, options, function (err) {
|
||||
if (fn) return fn(err);
|
||||
if (err && err.code === 'EISDIR') return next();
|
||||
|
||||
// next() all but aborted errors
|
||||
if (err && err.code !== 'ECONNABORT') {
|
||||
next(err);
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
/**
|
||||
* Transfer the file at the given `path`.
|
||||
*
|
||||
* Automatically sets the _Content-Type_ response header field.
|
||||
* The callback `fn(err)` is invoked when the transfer is complete
|
||||
* or when an error occurs. Be sure to check `res.sentHeader`
|
||||
* 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.');
|
||||
* }
|
||||
* });
|
||||
* });
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.sendfile = function(path, options, fn){
|
||||
var req = this.req;
|
||||
var res = this;
|
||||
var next = req.next;
|
||||
|
||||
// support function as second arg
|
||||
if (typeof options === 'function') {
|
||||
fn = options;
|
||||
options = {};
|
||||
}
|
||||
|
||||
options = options || {};
|
||||
|
||||
// create file stream
|
||||
var file = send(req, path, options);
|
||||
|
||||
// transfer
|
||||
sendfile(res, file, options, function (err) {
|
||||
if (fn) return fn(err);
|
||||
if (err && err.code === 'EISDIR') return next();
|
||||
|
||||
// next() all but aborted errors
|
||||
if (err && err.code !== 'ECONNABORT') {
|
||||
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 `fn(err)`. The callback is invoked
|
||||
* when the data transfer is complete, or when an error has
|
||||
* ocurred. Be sure to check `res.headersSent` if you plan to respond.
|
||||
*
|
||||
* This method uses `res.sendfile()`.
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.download = function download(path, filename, fn) {
|
||||
// support function as second arg
|
||||
if (typeof filename === 'function') {
|
||||
fn = filename;
|
||||
filename = null;
|
||||
}
|
||||
|
||||
filename = filename || path;
|
||||
|
||||
// set Content-Disposition when file is sent
|
||||
var headers = {
|
||||
'Content-Disposition': contentDisposition(filename)
|
||||
};
|
||||
|
||||
// Resolve the full path for sendFile
|
||||
var fullPath = resolve(path);
|
||||
|
||||
return this.sendFile(fullPath, { headers: headers }, fn);
|
||||
};
|
||||
|
||||
/**
|
||||
* 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
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.contentType =
|
||||
res.type = function(type){
|
||||
return this.set('Content-Type', ~type.indexOf('/')
|
||||
? type
|
||||
: mime.lookup(type));
|
||||
};
|
||||
|
||||
/**
|
||||
* 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>');
|
||||
* },
|
||||
*
|
||||
* 'appliation/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
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.format = function(obj){
|
||||
var req = this.req;
|
||||
var next = req.next;
|
||||
|
||||
var fn = obj.default;
|
||||
if (fn) delete obj.default;
|
||||
var keys = Object.keys(obj);
|
||||
|
||||
var key = req.accepts(keys);
|
||||
|
||||
this.vary("Accept");
|
||||
|
||||
if (key) {
|
||||
this.set('Content-Type', normalizeType(key).value);
|
||||
obj[key](req, this, next);
|
||||
} else if (fn) {
|
||||
fn();
|
||||
} else {
|
||||
var err = new Error('Not Acceptable');
|
||||
err.status = 406;
|
||||
err.types = normalizeTypes(keys).map(function(o){ return o.value });
|
||||
next(err);
|
||||
}
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Set _Content-Disposition_ header to _attachment_ with optional `filename`.
|
||||
*
|
||||
* @param {String} filename
|
||||
* @return {ServerResponse}
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.attachment = function attachment(filename) {
|
||||
if (filename) {
|
||||
this.type(extname(filename));
|
||||
}
|
||||
|
||||
this.set('Content-Disposition', contentDisposition(filename));
|
||||
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* 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|Array} field
|
||||
* @param {String} val
|
||||
* @return {ServerResponse} for chaining
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.set =
|
||||
res.header = function header(field, val) {
|
||||
if (arguments.length === 2) {
|
||||
if (Array.isArray(val)) val = val.map(String);
|
||||
else val = String(val);
|
||||
if ('content-type' == field.toLowerCase() && !/;\s*charset\s*=/.test(val)) {
|
||||
var charset = mime.charsets.lookup(val.split(';')[0]);
|
||||
if (charset) val += '; charset=' + charset.toLowerCase();
|
||||
}
|
||||
this.setHeader(field, val);
|
||||
} else {
|
||||
for (var key in field) {
|
||||
this.set(key, field[key]);
|
||||
}
|
||||
}
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* Get value for header `field`.
|
||||
*
|
||||
* @param {String} field
|
||||
* @return {String}
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.get = function(field){
|
||||
return this.getHeader(field);
|
||||
};
|
||||
|
||||
/**
|
||||
* Clear cookie `name`.
|
||||
*
|
||||
* @param {String} name
|
||||
* @param {Object} options
|
||||
* @return {ServerResponse} for chaining
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.clearCookie = function(name, options){
|
||||
var opts = { expires: new Date(1), path: '/' };
|
||||
return this.cookie(name, '', options
|
||||
? merge(opts, options)
|
||||
: opts);
|
||||
};
|
||||
|
||||
/**
|
||||
* Set cookie `name` to `val`, 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 });
|
||||
*
|
||||
* // save as above
|
||||
* res.cookie('rememberme', '1', { maxAge: 900000, httpOnly: true })
|
||||
*
|
||||
* @param {String} name
|
||||
* @param {String|Object} val
|
||||
* @param {Options} options
|
||||
* @return {ServerResponse} for chaining
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.cookie = function(name, val, options){
|
||||
options = merge({}, options);
|
||||
var secret = this.req.secret;
|
||||
var signed = options.signed;
|
||||
if (signed && !secret) throw new Error('cookieParser("secret") required for signed cookies');
|
||||
if ('number' == typeof val) val = val.toString();
|
||||
if ('object' == typeof val) val = 'j:' + JSON.stringify(val);
|
||||
if (signed) val = 's:' + sign(val, secret);
|
||||
if ('maxAge' in options) {
|
||||
options.expires = new Date(Date.now() + options.maxAge);
|
||||
options.maxAge /= 1000;
|
||||
}
|
||||
if (null == options.path) options.path = '/';
|
||||
var headerVal = cookie.serialize(name, String(val), options);
|
||||
|
||||
// supports multiple 'res.cookie' calls by getting previous value
|
||||
var prev = this.get('Set-Cookie');
|
||||
if (prev) {
|
||||
if (Array.isArray(prev)) {
|
||||
headerVal = prev.concat(headerVal);
|
||||
} else {
|
||||
headerVal = [prev, headerVal];
|
||||
}
|
||||
}
|
||||
this.set('Set-Cookie', headerVal);
|
||||
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
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.location = function(url){
|
||||
var req = this.req;
|
||||
|
||||
// "back" is an alias for the referrer
|
||||
if ('back' == url) url = req.get('Referrer') || '/';
|
||||
|
||||
// Respond
|
||||
this.set('Location', url);
|
||||
return this;
|
||||
};
|
||||
|
||||
/**
|
||||
* 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
|
||||
*
|
||||
* @api 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
|
||||
this.location(address);
|
||||
address = this.get('Location');
|
||||
|
||||
// Support text/{plain,html} by default
|
||||
this.format({
|
||||
text: function(){
|
||||
body = statusCodes[status] + '. Redirecting to ' + encodeURI(address);
|
||||
},
|
||||
|
||||
html: function(){
|
||||
var u = escapeHtml(address);
|
||||
body = '<p>' + statusCodes[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();
|
||||
}
|
||||
|
||||
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
|
||||
* @api 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
|
||||
*
|
||||
* @api public
|
||||
*/
|
||||
|
||||
res.render = function(view, options, fn){
|
||||
options = options || {};
|
||||
var self = this;
|
||||
var req = this.req;
|
||||
var app = req.app;
|
||||
|
||||
// support callback function as second arg
|
||||
if ('function' == typeof options) {
|
||||
fn = options, options = {};
|
||||
}
|
||||
|
||||
// merge res.locals
|
||||
options._locals = self.locals;
|
||||
|
||||
// default callback to respond
|
||||
fn = fn || function(err, str){
|
||||
if (err) return req.next(err);
|
||||
self.send(str);
|
||||
};
|
||||
|
||||
// render
|
||||
app.render(view, options, fn);
|
||||
};
|
||||
|
||||
// pipe the send file stream
|
||||
function sendfile(res, file, options, callback) {
|
||||
var done = false;
|
||||
|
||||
// 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();
|
||||
}
|
||||
|
||||
// finished
|
||||
function onfinish(err) {
|
||||
if (err) return onerror(err);
|
||||
if (done) return;
|
||||
|
||||
setImmediate(function () {
|
||||
if (done) return;
|
||||
done = true;
|
||||
|
||||
// response finished before end of file
|
||||
var err = new Error('Request aborted');
|
||||
err.code = 'ECONNABORT';
|
||||
callback(err);
|
||||
});
|
||||
}
|
||||
|
||||
file.on('end', onend);
|
||||
file.on('error', onerror);
|
||||
file.on('directory', ondirectory);
|
||||
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);
|
||||
}
|
||||
Reference in New Issue
Block a user