440 lines
6.7 KiB
JavaScript
440 lines
6.7 KiB
JavaScript
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/**
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* Module dependencies.
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*/
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var debug = require('debug')('koa:context');
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var Request = require('./request');
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var Response = require('./response');
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var Cookies = require('cookies');
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var http = require('http');
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/**
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* Prototype.
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*/
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module.exports = {
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/**
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* Inspect implementation.
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*
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* @return {Object}
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* @api public
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*/
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inspect: function(){
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return this.toJSON();
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},
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/**
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* Return JSON representation.
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*
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* @return {Object}
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* @api public
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*/
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toJSON: function(){
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return {
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request: this.request.toJSON(),
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response: this.response.toJSON()
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}
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},
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/**
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* Throw an error with `msg` and optional `status`
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* defaulting to 500. Note that these are user-level
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* errors, and the message may be exposed to the client.
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*
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* this.error(403)
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* this.error('name required', 400)
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* this.error('something exploded')
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*
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* @param {String|Number} msg
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* @param {Number} status
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* @api public
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*/
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error: function(msg, status){
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// TODO: switch order... feels weird now that im used to express
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if ('number' == typeof msg) {
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var tmp = msg;
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msg = http.STATUS_CODES[tmp];
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status = tmp;
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}
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var err = new Error(msg);
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err.status = status || 500;
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err.expose = true;
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throw err;
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},
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/**
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* Default error handling.
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*
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* @param {Error} err
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* @api private
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*/
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onerror: function(err){
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// don't do anything if there is no error.
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// this allows you to pass `this.onerror`
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// to node-style callbacks.
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if (!err) return;
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// nothing we can do here other
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// than delegate to the app-level
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// handler and log.
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if (this.headerSent) {
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err.headerSent = true;
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this.app.emit('error', err, this);
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return;
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}
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// delegate
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this.app.emit('error', err, this);
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// force text/plain
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this.type = 'text';
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// ENOENT support
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if ('ENOENT' == err.code) err.status = 404;
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// default to 500
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err.status = err.status || 500;
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// respond
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var code = http.STATUS_CODES[err.status];
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var msg = err.expose ? err.message : code;
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this.status = err.status;
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this.res.end(msg);
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},
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/**
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* Delegate to Request#header.
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*/
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get header() {
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return this.request.header;
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},
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/**
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* Delegate to Request#url.
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*/
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get url() {
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return this.request.url;
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},
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/**
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* Delegate to Request#url=.
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*/
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set url(val) {
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this.request.url = val;
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},
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/**
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* Delegate to Request#method.
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*/
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get method() {
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return this.request.method;
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},
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/**
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* Delegate to Request#method=.
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*/
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set method(val) {
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this.request.method = val;
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},
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/**
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* Delegate to Response#status.
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*/
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get status() {
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return this.response.status;
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},
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/**
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* Delegate to Response#status=.
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*/
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set status(val) {
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this.response.status = val;
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},
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/**
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* Delegate to Response#body.
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*/
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get body() {
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return this.response.body;
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},
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/**
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* Delegate to Response#body=.
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*/
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set body(val) {
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this.response.body = val;
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},
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/**
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* Delegate to Request#path.
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*/
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get path() {
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return this.request.path;
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},
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/**
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* Delegate to Request#path=.
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*/
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set path(val) {
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this.request.path = val;
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},
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/**
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* Delegate to Request#query.
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*/
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get query() {
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return this.request.query;
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},
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/**
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* Delegate to Request#query=.
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*/
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set query(val) {
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this.request.query = val;
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},
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/**
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* Delegate to Request#querystring.
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*/
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get querystring() {
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return this.request.querystring;
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},
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/**
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* Delegate to Request#querystring=.
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*/
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set querystring(val) {
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this.request.querystring = val;
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},
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/**
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* Delegate to Request#host.
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*/
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get host() {
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return this.request.host;
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},
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/**
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* Delegate to Request#fresh.
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*/
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get fresh() {
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return this.request.fresh;
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},
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/**
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* Delegate to Request#stale.
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*/
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get stale() {
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return this.request.stale;
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},
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/**
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* Delegate to Request#idempotent.
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*/
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get idempotent() {
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return this.request.idempotent;
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},
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/**
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* Delegate to Request#socket.
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*/
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get socket() {
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return this.request.socket;
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},
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/**
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* Delegate to Request#length.
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*/
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get length() {
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return this.request.length;
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},
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/**
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* Delegate to Request#length.
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*/
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set length(val) {
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this.response.length = val;
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},
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/**
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* Delegate to Request#protocol.
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*/
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get protocol() {
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return this.request.protocol;
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},
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/**
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* Delegate to Request#secure.
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*/
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get secure() {
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return this.request.secure;
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},
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/**
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* Delegate to Request#ip.
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*/
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get ip() {
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return this.request.ip;
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},
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/**
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* Delegate to Request#ips.
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*/
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get ips() {
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return this.request.ips;
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},
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/**
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* Delegate to Request#subdomains.
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*/
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get subdomains() {
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return this.request.subdomains;
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},
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/**
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* Delegate to Response#headerSent.
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*/
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get headerSent() {
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return this.response.headerSent;
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},
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/**
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* Delegate to Response#type=.
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*/
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set type(val) {
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this.response.type = val;
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},
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/**
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* Delegate to Request#type.
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*/
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get type() {
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return this.request.type;
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},
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/**
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* Delegate to Request#accepts().
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*/
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accepts: function() {
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return this.request.accepts.apply(this.request, arguments);
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},
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/**
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* Delegate to Request#acceptsCharsets().
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*/
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acceptsCharsets: function() {
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return this.request.acceptsCharsets.apply(this.request, arguments);
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},
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/**
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* Delegate to Request#acceptsEncodings().
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*/
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acceptsEncodings: function() {
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return this.request.acceptsEncodings.apply(this.request, arguments);
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},
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/**
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* Delegate to Request#acceptsLanguages().
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*/
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acceptsLanguages: function() {
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return this.request.acceptsLanguages.apply(this.request, arguments);
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},
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/**
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* Delegate to Response#vary().
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*/
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vary: function() {
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return this.response.vary.apply(this.response, arguments);
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},
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/**
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* Delegate to Request#is().
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*/
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is: function() {
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return this.request.is.apply(this.request, arguments);
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},
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/**
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* Delegate to Response#append().
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*/
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append: function() {
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return this.response.append.apply(this.response, arguments);
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},
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/**
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* Delegate to Request#get().
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*/
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get: function() {
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return this.request.get.apply(this.request, arguments);
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},
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/**
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* Delegate to Response#set().
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*/
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set: function() {
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return this.response.set.apply(this.response, arguments);
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},
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/**
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* Delegate to Response#redirect().
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*/
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redirect: function() {
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return this.response.redirect.apply(this.response, arguments);
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},
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/**
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* Delegate to Response#attachment().
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*/
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attachment: function() {
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return this.response.attachment.apply(this.response, arguments);
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},
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};
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