115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
import http from 'http'
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import fs from 'fs/promises'
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import path from 'path'
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import { URL } from 'url'
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import defaults from '../api/defaults.mjs'
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import config from '../api/config.mjs'
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export default function Client(port = config.get('server:port'), opts) {
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this.options = defaults(opts, {})
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this.prefix = `http://localhost:${port}`
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}
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Client.prototype.customRequest = function(method = 'GET', path, body, options) {
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if (path.slice(0, 4) !== 'http') {
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path = this.prefix + path
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}
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let urlObj = new URL(path)
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return new Promise((resolve, reject) => {
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const opts = defaults(defaults(options, {
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method: method,
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timeout: 500,
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protocol: urlObj.protocol,
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username: urlObj.username,
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password: urlObj.password,
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host: urlObj.hostname,
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port: Number(urlObj.port),
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path: urlObj.pathname + urlObj.search,
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}))
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const req = http.request(opts)
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if (body) {
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req.write(body)
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}
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req.on('error', reject)
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req.on('timeout', function() { reject(new Error(`Request ${method} ${path} timed out`)) })
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req.on('response', res => {
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res.setEncoding('utf8')
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let output = ''
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res.on('data', function (chunk) {
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output += chunk.toString()
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})
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res.on('end', function () {
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if (!output) return resolve(null)
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try {
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output = JSON.parse(output)
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} catch (e) {
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return reject(new Error(`${e.message} while decoding: ${output}`))
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}
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if (output.status) {
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let err = new Error(`Request failed [${output.status}]: ${output.message}`)
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err.body = output
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err.status = output.status
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return reject(err)
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}
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resolve(output)
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})
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})
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req.end()
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})
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}
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Client.prototype.get = function(url = '/') {
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return this.customRequest('GET', url, null)
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}
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Client.prototype.del = function(url = '/', body = {}) {
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return this.customRequest('DELETE', url, JSON.stringify(body))
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}
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const random = (length = 8) => {
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// Declare all characters
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let chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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// Pick characers randomly
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let str = '';
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for (let i = 0; i < length; i++) {
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str += chars.charAt(Math.floor(Math.random() * chars.length));
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}
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return str;
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}
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Client.prototype.upload = function(url, file, method = 'POST', body = {}) {
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return fs.readFile(file).then(data => {
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const crlf = '\r\n'
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const filename = path.basename(file)
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const boundary = `---------${random(32)}`
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const multipartBody = Buffer.concat([
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Buffer.from(
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`${crlf}--${boundary}${crlf}` +
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`Content-Disposition: form-data; name="file"; filename="${filename}"` + crlf + crlf
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),
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data,
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Buffer.concat(Object.keys(body).map(function(key) {
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return Buffer.from(''
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+ `${crlf}--${boundary}${crlf}`
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+ `Content-Disposition: form-data; name="${key}"` + crlf + crlf
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+ JSON.stringify(body[key])
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)
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})),
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Buffer.from(`${crlf}--${boundary}--`),
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])
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return this.customRequest(method, url, multipartBody, {
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timeout: 5000,
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headers: {
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'Content-Type': 'multipart/form-data; boundary=' + boundary,
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'Content-Length': multipartBody.length,
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},
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})
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})
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}
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