| // Copyright 2010-2012 Mikeal Rogers |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| var http = require('http') |
| , https = false |
| , tls = false |
| , url = require('url') |
| , util = require('util') |
| , stream = require('stream') |
| , qs = require('querystring') |
| , mimetypes = require('./mimetypes') |
| , oauth = require('./oauth') |
| , uuid = require('./uuid') |
| , ForeverAgent = require('./forever') |
| , Cookie = require('./vendor/cookie') |
| , CookieJar = require('./vendor/cookie/jar') |
| , cookieJar = new CookieJar |
| , tunnel = require('./tunnel') |
| , aws = require('./aws') |
| ; |
| |
| if (process.logging) { |
| var log = process.logging('request') |
| } |
| |
| try { |
| https = require('https') |
| } catch (e) {} |
| |
| try { |
| tls = require('tls') |
| } catch (e) {} |
| |
| function toBase64 (str) { |
| return (new Buffer(str || "", "ascii")).toString("base64") |
| } |
| |
| // Hacky fix for pre-0.4.4 https |
| if (https && !https.Agent) { |
| https.Agent = function (options) { |
| http.Agent.call(this, options) |
| } |
| util.inherits(https.Agent, http.Agent) |
| https.Agent.prototype._getConnection = function (host, port, cb) { |
| var s = tls.connect(port, host, this.options, function () { |
| // do other checks here? |
| if (cb) cb() |
| }) |
| return s |
| } |
| } |
| |
| function isReadStream (rs) { |
| if (rs.readable && rs.path && rs.mode) { |
| return true |
| } |
| } |
| |
| function copy (obj) { |
| var o = {} |
| Object.keys(obj).forEach(function (i) { |
| o[i] = obj[i] |
| }) |
| return o |
| } |
| |
| var isUrl = /^https?:/ |
| |
| var globalPool = {} |
| |
| function Request (options) { |
| stream.Stream.call(this) |
| this.readable = true |
| this.writable = true |
| |
| if (typeof options === 'string') { |
| options = {uri:options} |
| } |
| |
| var reserved = Object.keys(Request.prototype) |
| for (var i in options) { |
| if (reserved.indexOf(i) === -1) { |
| this[i] = options[i] |
| } else { |
| if (typeof options[i] === 'function') { |
| delete options[i] |
| } |
| } |
| } |
| options = copy(options) |
| |
| this.init(options) |
| } |
| util.inherits(Request, stream.Stream) |
| Request.prototype.init = function (options) { |
| var self = this |
| |
| if (!options) options = {} |
| |
| if (!self.pool && self.pool !== false) self.pool = globalPool |
| self.dests = [] |
| self.__isRequestRequest = true |
| |
| // Protect against double callback |
| if (!self._callback && self.callback) { |
| self._callback = self.callback |
| self.callback = function () { |
| if (self._callbackCalled) return // Print a warning maybe? |
| self._callback.apply(self, arguments) |
| self._callbackCalled = true |
| } |
| self.on('error', self.callback.bind()) |
| self.on('complete', self.callback.bind(self, null)) |
| } |
| |
| if (self.url) { |
| // People use this property instead all the time so why not just support it. |
| self.uri = self.url |
| delete self.url |
| } |
| |
| if (!self.uri) { |
| throw new Error("options.uri is a required argument") |
| } else { |
| if (typeof self.uri == "string") self.uri = url.parse(self.uri) |
| } |
| if (self.proxy) { |
| if (typeof self.proxy == 'string') self.proxy = url.parse(self.proxy) |
| |
| // do the HTTP CONNECT dance using koichik/node-tunnel |
| if (http.globalAgent && self.uri.protocol === "https:") { |
| self.tunnel = true |
| var tunnelFn = self.proxy.protocol === "http:" |
| ? tunnel.httpsOverHttp : tunnel.httpsOverHttps |
| |
| var tunnelOptions = { proxy: { host: self.proxy.hostname |
| , port: +self.proxy.port |
| , proxyAuth: self.proxy.auth } |
| , ca: this.ca } |
| |
| self.agent = tunnelFn(tunnelOptions) |
| self.tunnel = true |
| } |
| } |
| |
| if (!self.uri.host || !self.uri.pathname) { |
| // Invalid URI: it may generate lot of bad errors, like "TypeError: Cannot call method 'indexOf' of undefined" in CookieJar |
| // Detect and reject it as soon as possible |
| var faultyUri = url.format(self.uri) |
| var message = 'Invalid URI "' + faultyUri + '"' |
| if (Object.keys(options).length === 0) { |
| // No option ? This can be the sign of a redirect |
| // As this is a case where the user cannot do anything (he didn't call request directly with this URL) |
| // he should be warned that it can be caused by a redirection (can save some hair) |
| message += '. This can be caused by a crappy redirection.' |
| } |
| self.emit('error', new Error(message)) |
| return // This error was fatal |
| } |
| |
| self._redirectsFollowed = self._redirectsFollowed || 0 |
| self.maxRedirects = (self.maxRedirects !== undefined) ? self.maxRedirects : 10 |
| self.followRedirect = (self.followRedirect !== undefined) ? self.followRedirect : true |
| self.followAllRedirects = (self.followAllRedirects !== undefined) ? self.followAllRedirects : false; |
| if (self.followRedirect || self.followAllRedirects) |
| self.redirects = self.redirects || [] |
| |
| self.headers = self.headers ? copy(self.headers) : {} |
| |
| self.setHost = false |
| if (!self.headers.host) { |
| self.headers.host = self.uri.hostname |
| if (self.uri.port) { |
| if ( !(self.uri.port === 80 && self.uri.protocol === 'http:') && |
| !(self.uri.port === 443 && self.uri.protocol === 'https:') ) |
| self.headers.host += (':'+self.uri.port) |
| } |
| self.setHost = true |
| } |
| |
| self.jar(self._jar || options.jar) |
| |
| if (!self.uri.pathname) {self.uri.pathname = '/'} |
| if (!self.uri.port) { |
| if (self.uri.protocol == 'http:') {self.uri.port = 80} |
| else if (self.uri.protocol == 'https:') {self.uri.port = 443} |
| } |
| |
| if (self.proxy && !self.tunnel) { |
| self.port = self.proxy.port |
| self.host = self.proxy.hostname |
| } else { |
| self.port = self.uri.port |
| self.host = self.uri.hostname |
| } |
| |
| self.clientErrorHandler = function (error) { |
| if (self._aborted) return |
| |
| if (self.setHost) delete self.headers.host |
| if (self.req._reusedSocket && error.code === 'ECONNRESET' |
| && self.agent.addRequestNoreuse) { |
| self.agent = { addRequest: self.agent.addRequestNoreuse.bind(self.agent) } |
| self.start() |
| self.req.end() |
| return |
| } |
| if (self.timeout && self.timeoutTimer) { |
| clearTimeout(self.timeoutTimer) |
| self.timeoutTimer = null |
| } |
| self.emit('error', error) |
| } |
| |
| if (options.form) { |
| self.form(options.form) |
| } |
| |
| if (options.oauth) { |
| self.oauth(options.oauth) |
| } |
| |
| if (options.aws) { |
| self.aws(options.aws) |
| } |
| |
| if (self.uri.auth && !self.headers.authorization) { |
| self.headers.authorization = "Basic " + toBase64(self.uri.auth.split(':').map(function(item){ return qs.unescape(item)}).join(':')) |
| } |
| if (self.proxy && self.proxy.auth && !self.headers['proxy-authorization'] && !self.tunnel) { |
| self.headers['proxy-authorization'] = "Basic " + toBase64(self.proxy.auth.split(':').map(function(item){ return qs.unescape(item)}).join(':')) |
| } |
| |
| if (options.qs) self.qs(options.qs) |
| |
| if (self.uri.path) { |
| self.path = self.uri.path |
| } else { |
| self.path = self.uri.pathname + (self.uri.search || "") |
| } |
| |
| if (self.path.length === 0) self.path = '/' |
| |
| if (self.proxy && !self.tunnel) self.path = (self.uri.protocol + '//' + self.uri.host + self.path) |
| |
| if (options.json) { |
| self.json(options.json) |
| } else if (options.multipart) { |
| self.boundary = uuid() |
| self.multipart(options.multipart) |
| } |
| |
| if (self.body) { |
| var length = 0 |
| if (!Buffer.isBuffer(self.body)) { |
| if (Array.isArray(self.body)) { |
| for (var i = 0; i < self.body.length; i++) { |
| length += self.body[i].length |
| } |
| } else { |
| self.body = new Buffer(self.body) |
| length = self.body.length |
| } |
| } else { |
| length = self.body.length |
| } |
| if (length) { |
| self.headers['content-length'] = length |
| } else { |
| throw new Error('Argument error, options.body.') |
| } |
| } |
| |
| var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol |
| , defaultModules = {'http:':http, 'https:':https} |
| , httpModules = self.httpModules || {} |
| ; |
| self.httpModule = httpModules[protocol] || defaultModules[protocol] |
| |
| if (!self.httpModule) throw new Error("Invalid protocol") |
| |
| if (options.ca) self.ca = options.ca |
| |
| if (!self.agent) { |
| if (options.agentOptions) self.agentOptions = options.agentOptions |
| |
| if (options.agentClass) { |
| self.agentClass = options.agentClass |
| } else if (options.forever) { |
| self.agentClass = protocol === 'http:' ? ForeverAgent : ForeverAgent.SSL |
| } else { |
| self.agentClass = self.httpModule.Agent |
| } |
| } |
| |
| if (self.pool === false) { |
| self.agent = false |
| } else { |
| self.agent = self.agent || self.getAgent() |
| if (self.maxSockets) { |
| // Don't use our pooling if node has the refactored client |
| self.agent.maxSockets = self.maxSockets |
| } |
| if (self.pool.maxSockets) { |
| // Don't use our pooling if node has the refactored client |
| self.agent.maxSockets = self.pool.maxSockets |
| } |
| } |
| |
| self.once('pipe', function (src) { |
| if (self.ntick) throw new Error("You cannot pipe to this stream after the first nextTick() after creation of the request stream.") |
| self.src = src |
| if (isReadStream(src)) { |
| if (!self.headers['content-type'] && !self.headers['Content-Type']) |
| self.headers['content-type'] = mimetypes.lookup(src.path.slice(src.path.lastIndexOf('.')+1)) |
| } else { |
| if (src.headers) { |
| for (var i in src.headers) { |
| if (!self.headers[i]) { |
| self.headers[i] = src.headers[i] |
| } |
| } |
| } |
| if (src.method && !self.method) { |
| self.method = src.method |
| } |
| } |
| |
| self.on('pipe', function () { |
| console.error("You have already piped to this stream. Pipeing twice is likely to break the request.") |
| }) |
| }) |
| |
| process.nextTick(function () { |
| if (self._aborted) return |
| |
| if (self.body) { |
| if (Array.isArray(self.body)) { |
| self.body.forEach(function (part) { |
| self.write(part) |
| }) |
| } else { |
| self.write(self.body) |
| } |
| self.end() |
| } else if (self.requestBodyStream) { |
| console.warn("options.requestBodyStream is deprecated, please pass the request object to stream.pipe.") |
| self.requestBodyStream.pipe(self) |
| } else if (!self.src) { |
| if (self.method !== 'GET' && typeof self.method !== 'undefined') { |
| self.headers['content-length'] = 0; |
| } |
| self.end(); |
| } |
| self.ntick = true |
| }) |
| } |
| |
| Request.prototype.getAgent = function () { |
| var Agent = this.agentClass |
| var options = {} |
| if (this.agentOptions) { |
| for (var i in this.agentOptions) { |
| options[i] = this.agentOptions[i] |
| } |
| } |
| if (this.ca) options.ca = this.ca |
| |
| var poolKey = '' |
| |
| // different types of agents are in different pools |
| if (Agent !== this.httpModule.Agent) { |
| poolKey += Agent.name |
| } |
| |
| if (!this.httpModule.globalAgent) { |
| // node 0.4.x |
| options.host = this.host |
| options.port = this.port |
| if (poolKey) poolKey += ':' |
| poolKey += this.host + ':' + this.port |
| } |
| |
| if (options.ca) { |
| if (poolKey) poolKey += ':' |
| poolKey += options.ca |
| } |
| |
| if (!poolKey && Agent === this.httpModule.Agent && this.httpModule.globalAgent) { |
| // not doing anything special. Use the globalAgent |
| return this.httpModule.globalAgent |
| } |
| |
| // already generated an agent for this setting |
| if (this.pool[poolKey]) return this.pool[poolKey] |
| |
| return this.pool[poolKey] = new Agent(options) |
| } |
| |
| Request.prototype.start = function () { |
| var self = this |
| |
| if (self._aborted) return |
| |
| self._started = true |
| self.method = self.method || 'GET' |
| self.href = self.uri.href |
| if (log) log('%method %href', self) |
| |
| if (self.src && self.src.stat && self.src.stat.size) { |
| self.headers['content-length'] = self.src.stat.size |
| } |
| if (self._aws) { |
| self.aws(self._aws, true) |
| } |
| |
| self.req = self.httpModule.request(self, function (response) { |
| if (self._aborted) return |
| if (self._paused) response.pause() |
| |
| self.response = response |
| response.request = self |
| response.toJSON = toJSON |
| |
| if (self.httpModule === https && |
| self.strictSSL && |
| !response.client.authorized) { |
| var sslErr = response.client.authorizationError |
| self.emit('error', new Error('SSL Error: '+ sslErr)) |
| return |
| } |
| |
| if (self.setHost) delete self.headers.host |
| if (self.timeout && self.timeoutTimer) { |
| clearTimeout(self.timeoutTimer) |
| self.timeoutTimer = null |
| } |
| |
| var addCookie = function (cookie) { |
| if (self._jar) self._jar.add(new Cookie(cookie)) |
| else cookieJar.add(new Cookie(cookie)) |
| } |
| |
| if (response.headers['set-cookie'] && (!self._disableCookies)) { |
| if (Array.isArray(response.headers['set-cookie'])) response.headers['set-cookie'].forEach(addCookie) |
| else addCookie(response.headers['set-cookie']) |
| } |
| |
| if (response.statusCode >= 300 && response.statusCode < 400 && |
| (self.followAllRedirects || |
| (self.followRedirect && (self.method !== 'PUT' && self.method !== 'POST' && self.method !== 'DELETE'))) && |
| response.headers.location) { |
| if (self._redirectsFollowed >= self.maxRedirects) { |
| self.emit('error', new Error("Exceeded maxRedirects. Probably stuck in a redirect loop.")) |
| return |
| } |
| self._redirectsFollowed += 1 |
| |
| if (!isUrl.test(response.headers.location)) { |
| response.headers.location = url.resolve(self.uri.href, response.headers.location) |
| } |
| self.uri = response.headers.location |
| self.redirects.push( |
| { statusCode : response.statusCode |
| , redirectUri: response.headers.location |
| } |
| ) |
| if (self.followAllRedirects) self.method = 'GET' |
| // self.method = 'GET'; // Force all redirects to use GET || commented out fixes #215 |
| delete self.req |
| delete self.agent |
| delete self._started |
| delete self.body |
| if (self.headers) { |
| delete self.headers.host |
| } |
| if (log) log('Redirect to %uri', self) |
| self.init() |
| return // Ignore the rest of the response |
| } else { |
| self._redirectsFollowed = self._redirectsFollowed || 0 |
| // Be a good stream and emit end when the response is finished. |
| // Hack to emit end on close because of a core bug that never fires end |
| response.on('close', function () { |
| if (!self._ended) self.response.emit('end') |
| }) |
| |
| if (self.encoding) { |
| if (self.dests.length !== 0) { |
| console.error("Ingoring encoding parameter as this stream is being piped to another stream which makes the encoding option invalid.") |
| } else { |
| response.setEncoding(self.encoding) |
| } |
| } |
| |
| self.dests.forEach(function (dest) { |
| self.pipeDest(dest) |
| }) |
| |
| response.on("data", function (chunk) { |
| self._destdata = true |
| self.emit("data", chunk) |
| }) |
| response.on("end", function (chunk) { |
| self._ended = true |
| self.emit("end", chunk) |
| }) |
| response.on("close", function () {self.emit("close")}) |
| |
| self.emit('response', response) |
| |
| if (self.callback) { |
| var buffer = [] |
| var bodyLen = 0 |
| self.on("data", function (chunk) { |
| buffer.push(chunk) |
| bodyLen += chunk.length |
| }) |
| self.on("end", function () { |
| if (self._aborted) return |
| |
| if (buffer.length && Buffer.isBuffer(buffer[0])) { |
| var body = new Buffer(bodyLen) |
| var i = 0 |
| buffer.forEach(function (chunk) { |
| chunk.copy(body, i, 0, chunk.length) |
| i += chunk.length |
| }) |
| if (self.encoding === null) { |
| response.body = body |
| } else { |
| response.body = body.toString() |
| } |
| } else if (buffer.length) { |
| response.body = buffer.join('') |
| } |
| |
| if (self._json) { |
| try { |
| response.body = JSON.parse(response.body) |
| } catch (e) {} |
| } |
| |
| self.emit('complete', response, response.body) |
| }) |
| } |
| } |
| }) |
| |
| if (self.timeout && !self.timeoutTimer) { |
| self.timeoutTimer = setTimeout(function () { |
| self.req.abort() |
| var e = new Error("ETIMEDOUT") |
| e.code = "ETIMEDOUT" |
| self.emit("error", e) |
| }, self.timeout) |
| |
| // Set additional timeout on socket - in case if remote |
| // server freeze after sending headers |
| if (self.req.setTimeout) { // only works on node 0.6+ |
| self.req.setTimeout(self.timeout, function () { |
| if (self.req) { |
| self.req.abort() |
| var e = new Error("ESOCKETTIMEDOUT") |
| e.code = "ESOCKETTIMEDOUT" |
| self.emit("error", e) |
| } |
| }) |
| } |
| } |
| |
| self.req.on('error', self.clientErrorHandler) |
| self.req.on('drain', function() { |
| self.emit('drain') |
| }) |
| |
| self.emit('request', self.req) |
| } |
| |
| Request.prototype.abort = function () { |
| this._aborted = true; |
| |
| if (this.req) { |
| this.req.abort() |
| } |
| else if (this.response) { |
| this.response.abort() |
| } |
| |
| this.emit("abort") |
| } |
| |
| Request.prototype.pipeDest = function (dest) { |
| var response = this.response |
| // Called after the response is received |
| if (dest.headers) { |
| dest.headers['content-type'] = response.headers['content-type'] |
| if (response.headers['content-length']) { |
| dest.headers['content-length'] = response.headers['content-length'] |
| } |
| } |
| if (dest.setHeader) { |
| for (var i in response.headers) { |
| dest.setHeader(i, response.headers[i]) |
| } |
| dest.statusCode = response.statusCode |
| } |
| if (this.pipefilter) this.pipefilter(response, dest) |
| } |
| |
| // Composable API |
| Request.prototype.setHeader = function (name, value, clobber) { |
| if (clobber === undefined) clobber = true |
| if (clobber || !this.headers.hasOwnProperty(name)) this.headers[name] = value |
| else this.headers[name] += ',' + value |
| return this |
| } |
| Request.prototype.setHeaders = function (headers) { |
| for (var i in headers) {this.setHeader(i, headers[i])} |
| return this |
| } |
| Request.prototype.qs = function (q, clobber) { |
| var base |
| if (!clobber && this.uri.query) base = qs.parse(this.uri.query) |
| else base = {} |
| |
| for (var i in q) { |
| base[i] = q[i] |
| } |
| |
| this.uri = url.parse(this.uri.href.split('?')[0] + '?' + qs.stringify(base)) |
| this.url = this.uri |
| |
| return this |
| } |
| Request.prototype.form = function (form) { |
| this.headers['content-type'] = 'application/x-www-form-urlencoded; charset=utf-8' |
| this.body = qs.stringify(form).toString('utf8') |
| return this |
| } |
| Request.prototype.multipart = function (multipart) { |
| var self = this |
| self.body = [] |
| |
| if (!self.headers['content-type']) { |
| self.headers['content-type'] = 'multipart/related; boundary=' + self.boundary; |
| } else { |
| self.headers['content-type'] = self.headers['content-type'].split(';')[0] + '; boundary=' + self.boundary; |
| } |
| |
| console.log('boundary >> ' + self.boundary) |
| |
| if (!multipart.forEach) throw new Error('Argument error, options.multipart.') |
| |
| multipart.forEach(function (part) { |
| var body = part.body |
| if(body == null) throw Error('Body attribute missing in multipart.') |
| delete part.body |
| var preamble = '--' + self.boundary + '\r\n' |
| Object.keys(part).forEach(function (key) { |
| preamble += key + ': ' + part[key] + '\r\n' |
| }) |
| preamble += '\r\n' |
| self.body.push(new Buffer(preamble)) |
| self.body.push(new Buffer(body)) |
| self.body.push(new Buffer('\r\n')) |
| }) |
| self.body.push(new Buffer('--' + self.boundary + '--')) |
| return self |
| } |
| Request.prototype.json = function (val) { |
| this.setHeader('content-type', 'application/json') |
| this.setHeader('accept', 'application/json') |
| this._json = true |
| if (typeof val === 'boolean') { |
| if (typeof this.body === 'object') this.body = JSON.stringify(this.body) |
| } else { |
| this.body = JSON.stringify(val) |
| } |
| return this |
| } |
| Request.prototype.aws = function (opts, now) { |
| if (!now) { |
| this._aws = opts |
| return this |
| } |
| var date = new Date() |
| this.setHeader('date', date.toUTCString()) |
| this.setHeader('authorization', aws.authorization( |
| { key: opts.key |
| , secret: opts.secret |
| , verb: this.method |
| , date: date |
| , resource: aws.canonicalizeResource('/' + opts.bucket + this.path) |
| , contentType: this.headers['content-type'] || '' |
| , md5: this.headers['content-md5'] || '' |
| , amazonHeaders: aws.canonicalizeHeaders(this.headers) |
| } |
| )) |
| |
| return this |
| } |
| |
| Request.prototype.oauth = function (_oauth) { |
| var form |
| if (this.headers['content-type'] && |
| this.headers['content-type'].slice(0, 'application/x-www-form-urlencoded'.length) === |
| 'application/x-www-form-urlencoded' |
| ) { |
| form = qs.parse(this.body) |
| } |
| if (this.uri.query) { |
| form = qs.parse(this.uri.query) |
| } |
| if (!form) form = {} |
| var oa = {} |
| for (var i in form) oa[i] = form[i] |
| for (var i in _oauth) oa['oauth_'+i] = _oauth[i] |
| if (!oa.oauth_version) oa.oauth_version = '1.0' |
| if (!oa.oauth_timestamp) oa.oauth_timestamp = Math.floor( (new Date()).getTime() / 1000 ).toString() |
| if (!oa.oauth_nonce) oa.oauth_nonce = uuid().replace(/-/g, '') |
| |
| oa.oauth_signature_method = 'HMAC-SHA1' |
| |
| var consumer_secret = oa.oauth_consumer_secret |
| delete oa.oauth_consumer_secret |
| var token_secret = oa.oauth_token_secret |
| delete oa.oauth_token_secret |
| |
| var baseurl = this.uri.protocol + '//' + this.uri.host + this.uri.pathname |
| var signature = oauth.hmacsign(this.method, baseurl, oa, consumer_secret, token_secret) |
| |
| // oa.oauth_signature = signature |
| for (var i in form) { |
| if ( i.slice(0, 'oauth_') in _oauth) { |
| // skip |
| } else { |
| delete oa['oauth_'+i] |
| } |
| } |
| this.headers.Authorization = |
| 'OAuth '+Object.keys(oa).sort().map(function (i) {return i+'="'+oauth.rfc3986(oa[i])+'"'}).join(',') |
| this.headers.Authorization += ',oauth_signature="'+oauth.rfc3986(signature)+'"' |
| return this |
| } |
| Request.prototype.jar = function (jar) { |
| var cookies |
| |
| if (this._redirectsFollowed === 0) { |
| this.originalCookieHeader = this.headers.cookie |
| } |
| |
| if (jar === false) { |
| // disable cookies |
| cookies = false; |
| this._disableCookies = true; |
| } else if (jar) { |
| // fetch cookie from the user defined cookie jar |
| cookies = jar.get({ url: this.uri.href }) |
| } else { |
| // fetch cookie from the global cookie jar |
| cookies = cookieJar.get({ url: this.uri.href }) |
| } |
| |
| if (cookies && cookies.length) { |
| var cookieString = cookies.map(function (c) { |
| return c.name + "=" + c.value |
| }).join("; ") |
| |
| if (this.originalCookieHeader) { |
| // Don't overwrite existing Cookie header |
| this.headers.cookie = this.originalCookieHeader + '; ' + cookieString |
| } else { |
| this.headers.cookie = cookieString |
| } |
| } |
| this._jar = jar |
| return this |
| } |
| |
| |
| // Stream API |
| Request.prototype.pipe = function (dest, opts) { |
| if (this.response) { |
| if (this._destdata) { |
| throw new Error("You cannot pipe after data has been emitted from the response.") |
| } else if (this._ended) { |
| throw new Error("You cannot pipe after the response has been ended.") |
| } else { |
| stream.Stream.prototype.pipe.call(this, dest, opts) |
| this.pipeDest(dest) |
| return dest |
| } |
| } else { |
| this.dests.push(dest) |
| stream.Stream.prototype.pipe.call(this, dest, opts) |
| return dest |
| } |
| } |
| Request.prototype.write = function () { |
| if (!this._started) this.start() |
| return this.req.write.apply(this.req, arguments) |
| } |
| Request.prototype.end = function (chunk) { |
| if (chunk) this.write(chunk) |
| if (!this._started) this.start() |
| this.req.end() |
| } |
| Request.prototype.pause = function () { |
| if (!this.response) this._paused = true |
| else this.response.pause.apply(this.response, arguments) |
| } |
| Request.prototype.resume = function () { |
| if (!this.response) this._paused = false |
| else this.response.resume.apply(this.response, arguments) |
| } |
| Request.prototype.destroy = function () { |
| if (!this._ended) this.end() |
| } |
| |
| // organize params for post, put, head, del |
| function initParams(uri, options, callback) { |
| if ((typeof options === 'function') && !callback) callback = options; |
| if (options && typeof options === 'object') { |
| options.uri = uri; |
| } else if (typeof uri === 'string') { |
| options = {uri:uri}; |
| } else { |
| options = uri; |
| uri = options.uri; |
| } |
| return { uri: uri, options: options, callback: callback }; |
| } |
| |
| function request (uri, options, callback) { |
| if (typeof uri === 'undefined') throw new Error('undefined is not a valid uri or options object.') |
| if ((typeof options === 'function') && !callback) callback = options; |
| if (options && typeof options === 'object') { |
| options.uri = uri; |
| } else if (typeof uri === 'string') { |
| options = {uri:uri}; |
| } else { |
| options = uri; |
| } |
| |
| if (callback) options.callback = callback; |
| var r = new Request(options) |
| return r |
| } |
| |
| module.exports = request |
| |
| request.defaults = function (options) { |
| var def = function (method) { |
| var d = function (uri, opts, callback) { |
| var params = initParams(uri, opts, callback); |
| for (var i in options) { |
| if (params.options[i] === undefined) params.options[i] = options[i] |
| } |
| return method(params.options, params.callback) |
| } |
| return d |
| } |
| var de = def(request) |
| de.get = def(request.get) |
| de.post = def(request.post) |
| de.put = def(request.put) |
| de.head = def(request.head) |
| de.del = def(request.del) |
| de.cookie = def(request.cookie) |
| de.jar = def(request.jar) |
| return de |
| } |
| |
| request.forever = function (agentOptions, optionsArg) { |
| var options = {} |
| if (optionsArg) { |
| for (option in optionsArg) { |
| options[option] = optionsArg[option] |
| } |
| } |
| if (agentOptions) options.agentOptions = agentOptions |
| options.forever = true |
| return request.defaults(options) |
| } |
| |
| request.get = request |
| request.post = function (uri, options, callback) { |
| var params = initParams(uri, options, callback); |
| params.options.method = 'POST'; |
| return request(params.uri || null, params.options, params.callback) |
| } |
| request.put = function (uri, options, callback) { |
| var params = initParams(uri, options, callback); |
| params.options.method = 'PUT' |
| return request(params.uri || null, params.options, params.callback) |
| } |
| request.head = function (uri, options, callback) { |
| var params = initParams(uri, options, callback); |
| params.options.method = 'HEAD' |
| if (params.options.body || |
| params.options.requestBodyStream || |
| (params.options.json && typeof params.options.json !== 'boolean') || |
| params.options.multipart) { |
| throw new Error("HTTP HEAD requests MUST NOT include a request body.") |
| } |
| return request(params.uri || null, params.options, params.callback) |
| } |
| request.del = function (uri, options, callback) { |
| var params = initParams(uri, options, callback); |
| params.options.method = 'DELETE' |
| return request(params.uri || null, params.options, params.callback) |
| } |
| request.jar = function () { |
| return new CookieJar |
| } |
| request.cookie = function (str) { |
| if (str && str.uri) str = str.uri |
| if (typeof str !== 'string') throw new Error("The cookie function only accepts STRING as param") |
| return new Cookie(str) |
| } |
| |
| // Safe toJSON |
| |
| function getSafe (self, uuid) { |
| if (typeof self === 'object' || typeof self === 'function') var safe = {} |
| if (Array.isArray(self)) var safe = [] |
| |
| var recurse = [] |
| |
| Object.defineProperty(self, uuid, {}) |
| |
| var attrs = Object.keys(self).filter(function (i) { |
| if (i === uuid) return false |
| if ( (typeof self[i] !== 'object' && typeof self[i] !== 'function') || self[i] === null) return true |
| return !(Object.getOwnPropertyDescriptor(self[i], uuid)) |
| }) |
| |
| |
| for (var i=0;i<attrs.length;i++) { |
| if ( (typeof self[attrs[i]] !== 'object' && typeof self[attrs[i]] !== 'function') || |
| self[attrs[i]] === null |
| ) { |
| safe[attrs[i]] = self[attrs[i]] |
| } else { |
| recurse.push(attrs[i]) |
| Object.defineProperty(self[attrs[i]], uuid, {}) |
| } |
| } |
| |
| for (var i=0;i<recurse.length;i++) { |
| safe[recurse[i]] = getSafe(self[recurse[i]], uuid) |
| } |
| |
| return safe |
| } |
| |
| function toJSON () { |
| return getSafe(this, (((1+Math.random())*0x10000)|0).toString(16)) |
| } |
| |
| Request.prototype.toJSON = toJSON |
| |
