From e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d Mon Sep 17 00:00:00 2001 From: Piotr Russ Date: Mon, 16 Nov 2020 00:10:28 +0100 Subject: api, login, auth --- node_modules/stream-http/lib/request.js | 327 ++++++++++++++++++++++++++++++++ 1 file changed, 327 insertions(+) create mode 100644 node_modules/stream-http/lib/request.js (limited to 'node_modules/stream-http/lib/request.js') diff --git a/node_modules/stream-http/lib/request.js b/node_modules/stream-http/lib/request.js new file mode 100644 index 0000000..4f097df --- /dev/null +++ b/node_modules/stream-http/lib/request.js @@ -0,0 +1,327 @@ +var capability = require('./capability') +var inherits = require('inherits') +var response = require('./response') +var stream = require('readable-stream') +var toArrayBuffer = require('to-arraybuffer') + +var IncomingMessage = response.IncomingMessage +var rStates = response.readyStates + +function decideMode (preferBinary, useFetch) { + if (capability.fetch && useFetch) { + return 'fetch' + } else if (capability.mozchunkedarraybuffer) { + return 'moz-chunked-arraybuffer' + } else if (capability.msstream) { + return 'ms-stream' + } else if (capability.arraybuffer && preferBinary) { + return 'arraybuffer' + } else if (capability.vbArray && preferBinary) { + return 'text:vbarray' + } else { + return 'text' + } +} + +var ClientRequest = module.exports = function (opts) { + var self = this + stream.Writable.call(self) + + self._opts = opts + self._body = [] + self._headers = {} + if (opts.auth) + self.setHeader('Authorization', 'Basic ' + new Buffer(opts.auth).toString('base64')) + Object.keys(opts.headers).forEach(function (name) { + self.setHeader(name, opts.headers[name]) + }) + + var preferBinary + var useFetch = true + if (opts.mode === 'disable-fetch' || ('requestTimeout' in opts && !capability.abortController)) { + // If the use of XHR should be preferred. Not typically needed. + useFetch = false + preferBinary = true + } else if (opts.mode === 'prefer-streaming') { + // If streaming is a high priority but binary compatibility and + // the accuracy of the 'content-type' header aren't + preferBinary = false + } else if (opts.mode === 'allow-wrong-content-type') { + // If streaming is more important than preserving the 'content-type' header + preferBinary = !capability.overrideMimeType + } else if (!opts.mode || opts.mode === 'default' || opts.mode === 'prefer-fast') { + // Use binary if text streaming may corrupt data or the content-type header, or for speed + preferBinary = true + } else { + throw new Error('Invalid value for opts.mode') + } + self._mode = decideMode(preferBinary, useFetch) + self._fetchTimer = null + + self.on('finish', function () { + self._onFinish() + }) +} + +inherits(ClientRequest, stream.Writable) + +ClientRequest.prototype.setHeader = function (name, value) { + var self = this + var lowerName = name.toLowerCase() + // This check is not necessary, but it prevents warnings from browsers about setting unsafe + // headers. To be honest I'm not entirely sure hiding these warnings is a good thing, but + // http-browserify did it, so I will too. + if (unsafeHeaders.indexOf(lowerName) !== -1) + return + + self._headers[lowerName] = { + name: name, + value: value + } +} + +ClientRequest.prototype.getHeader = function (name) { + var header = this._headers[name.toLowerCase()] + if (header) + return header.value + return null +} + +ClientRequest.prototype.removeHeader = function (name) { + var self = this + delete self._headers[name.toLowerCase()] +} + +ClientRequest.prototype._onFinish = function () { + var self = this + + if (self._destroyed) + return + var opts = self._opts + + var headersObj = self._headers + var body = null + if (opts.method !== 'GET' && opts.method !== 'HEAD') { + if (capability.arraybuffer) { + body = toArrayBuffer(Buffer.concat(self._body)) + } else if (capability.blobConstructor) { + body = new global.Blob(self._body.map(function (buffer) { + return toArrayBuffer(buffer) + }), { + type: (headersObj['content-type'] || {}).value || '' + }) + } else { + // get utf8 string + body = Buffer.concat(self._body).toString() + } + } + + // create flattened list of headers + var headersList = [] + Object.keys(headersObj).forEach(function (keyName) { + var name = headersObj[keyName].name + var value = headersObj[keyName].value + if (Array.isArray(value)) { + value.forEach(function (v) { + headersList.push([name, v]) + }) + } else { + headersList.push([name, value]) + } + }) + + if (self._mode === 'fetch') { + var signal = null + var fetchTimer = null + if (capability.abortController) { + var controller = new AbortController() + signal = controller.signal + self._fetchAbortController = controller + + if ('requestTimeout' in opts && opts.requestTimeout !== 0) { + self._fetchTimer = global.setTimeout(function () { + self.emit('requestTimeout') + if (self._fetchAbortController) + self._fetchAbortController.abort() + }, opts.requestTimeout) + } + } + + global.fetch(self._opts.url, { + method: self._opts.method, + headers: headersList, + body: body || undefined, + mode: 'cors', + credentials: opts.withCredentials ? 'include' : 'same-origin', + signal: signal + }).then(function (response) { + self._fetchResponse = response + self._connect() + }, function (reason) { + global.clearTimeout(self._fetchTimer) + if (!self._destroyed) + self.emit('error', reason) + }) + } else { + var xhr = self._xhr = new global.XMLHttpRequest() + try { + xhr.open(self._opts.method, self._opts.url, true) + } catch (err) { + process.nextTick(function () { + self.emit('error', err) + }) + return + } + + // Can't set responseType on really old browsers + if ('responseType' in xhr) + xhr.responseType = self._mode.split(':')[0] + + if ('withCredentials' in xhr) + xhr.withCredentials = !!opts.withCredentials + + if (self._mode === 'text' && 'overrideMimeType' in xhr) + xhr.overrideMimeType('text/plain; charset=x-user-defined') + + if ('requestTimeout' in opts) { + xhr.timeout = opts.requestTimeout + xhr.ontimeout = function () { + self.emit('requestTimeout') + } + } + + headersList.forEach(function (header) { + xhr.setRequestHeader(header[0], header[1]) + }) + + self._response = null + xhr.onreadystatechange = function () { + switch (xhr.readyState) { + case rStates.LOADING: + case rStates.DONE: + self._onXHRProgress() + break + } + } + // Necessary for streaming in Firefox, since xhr.response is ONLY defined + // in onprogress, not in onreadystatechange with xhr.readyState = 3 + if (self._mode === 'moz-chunked-arraybuffer') { + xhr.onprogress = function () { + self._onXHRProgress() + } + } + + xhr.onerror = function () { + if (self._destroyed) + return + self.emit('error', new Error('XHR error')) + } + + try { + xhr.send(body) + } catch (err) { + process.nextTick(function () { + self.emit('error', err) + }) + return + } + } +} + +/** + * Checks if xhr.status is readable and non-zero, indicating no error. + * Even though the spec says it should be available in readyState 3, + * accessing it throws an exception in IE8 + */ +function statusValid (xhr) { + try { + var status = xhr.status + return (status !== null && status !== 0) + } catch (e) { + return false + } +} + +ClientRequest.prototype._onXHRProgress = function () { + var self = this + + if (!statusValid(self._xhr) || self._destroyed) + return + + if (!self._response) + self._connect() + + self._response._onXHRProgress() +} + +ClientRequest.prototype._connect = function () { + var self = this + + if (self._destroyed) + return + + self._response = new IncomingMessage(self._xhr, self._fetchResponse, self._mode, self._fetchTimer) + self._response.on('error', function(err) { + self.emit('error', err) + }) + + self.emit('response', self._response) +} + +ClientRequest.prototype._write = function (chunk, encoding, cb) { + var self = this + + self._body.push(chunk) + cb() +} + +ClientRequest.prototype.abort = ClientRequest.prototype.destroy = function () { + var self = this + self._destroyed = true + global.clearTimeout(self._fetchTimer) + if (self._response) + self._response._destroyed = true + if (self._xhr) + self._xhr.abort() + else if (self._fetchAbortController) + self._fetchAbortController.abort() +} + +ClientRequest.prototype.end = function (data, encoding, cb) { + var self = this + if (typeof data === 'function') { + cb = data + data = undefined + } + + stream.Writable.prototype.end.call(self, data, encoding, cb) +} + +ClientRequest.prototype.flushHeaders = function () {} +ClientRequest.prototype.setTimeout = function () {} +ClientRequest.prototype.setNoDelay = function () {} +ClientRequest.prototype.setSocketKeepAlive = function () {} + +// Taken from http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader%28%29-method +var unsafeHeaders = [ + 'accept-charset', + 'accept-encoding', + 'access-control-request-headers', + 'access-control-request-method', + 'connection', + 'content-length', + 'cookie', + 'cookie2', + 'date', + 'dnt', + 'expect', + 'host', + 'keep-alive', + 'origin', + 'referer', + 'te', + 'trailer', + 'transfer-encoding', + 'upgrade', + 'via' +] -- cgit v1.2.3