96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
"use strict";
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const electron = require('electron');
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const http = require('http');
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const https = require('https');
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const {
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CONSTANTS_GET
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} = require('../common/constants').IPCEvents;
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async function getAPIEndpoint() {
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const apiEndpoint = await electron.ipcRenderer.invoke(CONSTANTS_GET, 'API_ENDPOINT');
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if (apiEndpoint == null || apiEndpoint === '') {
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return null;
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}
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return apiEndpoint;
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}
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async function makeChunkedRequest(route, chunks, options) {
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/**
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* Given an array of chunks, make a slow request, only writing chunks
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* after a specified amount of time
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*
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* route: string
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* options: object
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* method: the method of the request
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* contentType: the content type of the request
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* chunkInterval: how long to wait to upload a chunk after the last chunk was flushed
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* token: the token to make an authorized request from
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* chunks: chunked body of the request to upload
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*/
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const {
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method,
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chunkInterval,
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token,
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contentType
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} = options;
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let httpModule = http;
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if (route.startsWith('https')) {
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httpModule = https;
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}
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// we will force the URL to hit only API_ENDPOINT
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const apiEndpoint = await getAPIEndpoint();
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if (apiEndpoint == null) {
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throw new Error('missing api endpoint setting');
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}
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const apiEndpointUrl = new URL(apiEndpoint);
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const url = new URL(route, apiEndpoint);
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url.protocol = apiEndpointUrl.protocol;
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url.host = apiEndpointUrl.host;
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if (!url.pathname.startsWith(apiEndpointUrl.pathname)) {
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url.pathname = `${apiEndpointUrl.pathname}${url.pathname}`;
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}
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return new Promise(async (resolve, reject) => {
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let writeTimeout;
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const req = httpModule.request(url.toString(), {
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method,
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headers: {
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authorization: token,
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'Content-Type': contentType,
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'Content-Length': Buffer.byteLength(chunks.join(''))
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}
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}, res => {
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let responseData = '';
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res.setEncoding('utf8');
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res.on('data', chunk => {
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responseData += chunk;
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});
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res.on('end', () => {
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resolve({
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status: res.statusCode,
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body: responseData
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});
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});
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});
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req.on('error', e => {
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if (writeTimeout != null) {
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clearTimeout(writeTimeout);
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}
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reject(e);
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});
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for (let i = 0; i < chunks.length; i++) {
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await new Promise(resolve => {
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req.write(chunks[i], () => {
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writeTimeout = setTimeout(resolve, chunkInterval);
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});
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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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module.exports = {
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getAPIEndpoint,
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makeChunkedRequest: function (route, chunks, options, callback) {
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makeChunkedRequest(route, chunks, options).then(body => callback(null, body)).catch(err => callback(err));
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}
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}; |